Sealed illumination light tube
Technical field
This utility model relates generally to a kind of illumination light tube, especially LED illumination light pipe.More specifically, this utility model relates to the sealed LED illumination light pipe that a kind of energy is waterproof, and its body and two ends achieve waterproof and dustproof structure, and described illumination light tube has the light illumination mode of relatively wide light angle, can realize efficient uniform illumination.
Background technology
Fluorescent tube is widely used in business, industry and domestic environments due to its low cost and high effect.The whole world has been mounted with billions of fluorescent tubes.Usually, being currently used for the fluorescent tube 100 of water proof and dust proof environment as it is shown in figure 1, include two halfbody components: diffuser 107 and housing 105, after said two halfbody component fastens, it is internally formed the cavity volume for accommodating fluorescent tube 103.Edge between diffuser 107 and housing 105 is provided with liner 104, is formed and seal after two halfbody components are fastened by fixation clamp 101.The two ends of shell have lamp socket 102, and described lamp socket 102 is for the fluorescent tube 103 that matches safely.The service life that the design using two halfbody components to form shell is because fluorescent tube is shorter, needs often to open and changes and keep in repair.But do so is easily damaged liner 104, the waterproof sealing performance making shell is impaired.Another shortcoming of this fluorescent tube is, owing to one of them halfbody component, i.e. housing 105 are light tight, so the light of fluorescent tube 103 can not be transmitted to housing 105 side, cause fluorescent tube light angle relative narrower and light skewness.So, the final light angle of this type of illumination light tube can be less than 180 °, and its housing 105 side can not send light and form dark space, therefore would generally be mounted flush against on the wall or on ceiling.
LED (light emitting diode) occurs in the sixties in 20th century as a kind of solid state light emitter, is a kind of life-span length, firm in structure, low-power consumption and size product flexibly.In various different places, LED illumination lamp is replacing conventional fluorescent light fixture and is becoming motility and lighting source in hgher efficiency.The service life of LED was up to 50,000 hours at present, almost remains intact, be the most almost not required to do any replacing or maintenance during use.This package closure being LED lamp tube provides and encapsulates solution reliably.
Therefore; needing a kind of brand-new sealed illumination light tube, it is not only able to provide, for LED lamp tube and electronic building brick thereof, the shell protected reliably and with long-term, and provides Uniform Illumination along light pipe with can having benefit-cost; and light angle be 180 degree or more than, to adapt to various illumination occasion.
Summary of the invention
In order to realize the demand, a main purpose of the present utility model is to provide a kind of illumination light tube, its sealing property reliable durable, can apply in the use environment requiring water proof and dust proof.
Another purpose of the present utility model is to provide a kind of illumination light tube, and it uses many low-power LED to obtain nature and equally distributed light illumination mode, and light angle is broad, and reduces dazzle.
Further object of the present utility model is to provide a kind of illumination light tube, and its mounting means is flexible, flexible, is suitable for lifting and is mounted flush against, and can regulate the installation site of light pipe in the horizontal and vertical directions.
These and other purpose of the present utility model and advantage are by providing a kind of illumination light tube to realize, and described illumination light tube includes:
Light-transmitting tube body, the both ends open of described light-transmitting tube body and be internally formed cavity volume, described light-transmitting tube body is one-body molded;
Luminous body, described luminous body is contained in the cavity volume of described light-transmitting tube body;
At least one binding post, described binding post for being connected described luminous body with external power source distribution;
Being configured to be adapted for mount on respectively two end caps at the two ends of described light-transmitting tube body, described binding post is arranged on one of said two end cap, and each described end cap has proximally and distally, and wherein said near-end couples with the opening of corresponding described light-transmitting tube body;
Being arranged on the first sealing member between the near-end of each described end cap and the opening of corresponding described light-transmitting tube body, nationality is made the connected described light-transmitting tube body opening of described end cap be formed by described first sealing member to be tightly connected;
It is sleeved on the trim on corresponding described end cap;
It is arranged on the second sealing member between the far-end of each described end cap and the outer end of corresponding described trim, described second sealing member is extruded by the outer end of described trim and is close to the far-end of described end cap, to such an extent as to the connected described trim of described end cap is formed to compress and seals;And
By sealing gland hermetically sealed for the outer end of described trim, wherein described binding post is connected with external power source distribution by being provided with the sealing gland of the end cap side of described binding post.
In a preferred embodiment of the present utility model, the outer peripheral face of described first sealing member offering annular groove, described groove engages with the opening of described light-transmitting tube body, to strengthen sealing effectiveness.In some cases, it is fastened together by securing member between opening and the most described first sealing member and the described end cap of described light-transmitting tube body.Described trim is totally encapsulated opening and the described end cap of described light-transmitting tube body.
For the sake of installing, the outer face of described sealing gland is provided with cue mark, is used for indicating the locking of described sealing gland and unlocked position.
In some cases, arranging the binding post of two electrical connections, said two binding post is separately mounted in two end caps of described illumination light tube.
Described binding post respectively includes fire-wire interfaces and zero line interface, thus multiple illumination light tubes with the parallel connection of daisy chain form and/or are connected in series.
In a specific embodiment of the present utility model, illumination light tube farther includes one or more and installs clip, described installation clip is fastened on two cannelures being spaced of the length direction setting along described light-transmitting tube body slidably, by described installation clip, described illumination light tube is arranged on desired installed surface.Preferably, described installation clip includes relative two shoulder and the end face that said two shoulder is coupled together, the most each described shoulder includes vertical component, the sloping portion extended downwardly and inwardly from described vertical component and the lateral part from described sloping portion horizontal expansion, and described sloping portion slidably engages with the cannelure of described light-transmitting tube body.The end face of described installation clip offers one or more installing hole, by described installing hole, described illumination light tube is screwed onto on desired installed surface or is lifted on desired installed surface with suspension hook or rope.
It is preferred that illumination light tube of the present utility model is LED light pipe, described luminous body includes the circuit board being fixed between said two end cap and at least one LED light source being arranged on described circuit board.Described luminous body preferably includes the multiple LED light sources being arranged on described circuit board of arranging in a line.Described circuit board is supported on heat sink, applies Heat Conduction Material such as heat-conducting glue between described circuit board and described heat sink.
According to this utility model, LED control circuit and other electronic building brick including driver are not placed in inside the light-transmitting tube body of illumination light tube, but are installed in end cap.This arrangement ensures the high temperature that described control circuit causes away from the heat produced in the normal operation period by described LED light source, thus improves its reliability and ruggedness.
It is preferred that additional sensor or indicator can be installed on trim, for controlling switch or the dimming state of described LED light source or being automatically brought into operation.
Compared with illumination light tube existing with prior art, the light-transmitting tube body of illumination light tube of the present utility model is one-body molded, rather than uses two halfbody components of prior art, it is ensured that the sealing of the length direction of light-transmitting tube body own.In this utility model, two end caps being connected with the two ends of light-transmitting tube body are respectively provided with two sealing members, then set connects trim and locks sealing gland, and the sealing for end cap and the electronic building brick of inside thereof provides safety highly.Additionally, due to whole light-transmitting tube body all can printing opacity, which increase in light-transmitting tube body the especially general ambient light surface area on upper half chamber, so the light that described illumination light tube sends can cover the angle of non-constant width, i.e. more than 180 degree or more than.Installation clip of the present utility model is slidably mounted in light-transmitting tube body so that arbitrarily horizontal level and the upright position of regulation illumination light tube is possibly realized.
In order to be more fully understood that this utility model, in conjunction with accompanying drawing, this utility model and embodiment are elaborated.
Accompanying drawing explanation
Fig. 1 is the front view of the fluorescent tube of prior art.
Fig. 2 is the perspective view of the LED illumination light pipe built according to embodiment of the present utility model.
Fig. 3 is the exploded view of LED illumination light pipe described in Fig. 2.
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Fig. 5 is the perspective view of the LED illumination light pipe in Fig. 2, it is shown that install the another way of illumination light tube.
Fig. 6 is the perspective view of one end of LED illumination light pipe described in Fig. 2, wherein shows that sealing gland is in the unlocked position.
Fig. 7 is the perspective view of one end of LED illumination light pipe described in Fig. 2, wherein shows that sealing gland is in the locked position..
Fig. 8 is the perspective view of one end of LED illumination light pipe described in Fig. 2, and wherein sealing gland is removed, and exposes the inside of end cap.
Fig. 9 is the perspective view according to installation clip of the present utility model.
Detailed description of the invention
Although illustrate and describe this utility model with preferred embodiment, but LED illumination light pipe of the present utility model can make various different configuration, size and form with many different materials.
Referring now to accompanying drawing, Fig. 1 to 9 provides a kind of LED illumination light pipe 200 built according to preferred embodiment of the present utility model.Length and the diameter of described LED illumination light pipe 200 can design according to being actually needed, such as, can make and be sized for replacing fluorescent illumination implement.In this embodiment, described LED illumination light pipe 200 includes light-transmitting tube body 210, LED light source 220, binding post 230, end cap the 240, first sealing member 250, trim the 260, second sealing member 270 and sealing gland 280, refers to the exploded view of Fig. 3 and Fig. 4.
Light-transmitting tube body 210 can be manufactured by extrinsion pressing, has the most foursquare cross section.Can ensure that light-transmitting tube body fully seals (i.e. on length direction) in the vertical with extrinsion pressing manufacture light-transmitting tube body 210 waterproof.The length of extruded light-transmitting tube body 210 can cut into standard size, to adapt to fluorescent tube or the incandescent lamp tube of different model.Although the light-transmitting tube body of diagram has the most foursquare cross section but it also may use and there is circle, triangle or other cross sectional shape.Light-transmitting tube body 210 can select the material with light scattering, transmission and reflection characteristic, and this is conducive to provide the distribution of uniform light and increases photodistributed light angle so that the region do not irradiated by LED light source in light-transmitting tube body also can obtain reflection light and scattered light.Described light-transmitting tube body 210 includes relative two opening 211.LED light source band is admitted to described light-transmitting tube body inner position by described opening 211 and installs.
LED light source 220 can be LED, LED encapsulation or LED array.All LED light sources 220 can be connected and/or be connected in parallel.In the present embodiment, LED light source 220 is axially installed on circuit board 221 along straight line, equipped with the circuit board of LED light source 220 can be placed on heat sink 223 in the way of heat conduction, can coat therebetween can Heat Conduction Material such as heat-conducting glue, the heat produced during LED luminescence is distributed.Heat sink 223 can be by having the material manufacture of good heat radiating ability, and such as aluminum or aluminum alloy is not only easily worked, and the overall weight of light fixture is alleviated.The metal-core printed circuit board (MCPCB) with good thermal management ability selected by circuit board 221, or can be traditional FR4 or CEM type.For long light-transmitting tube body, circuit board 221 can be made long continuous circuits plate by multistage printed circuit board (PCB) (PCB) electrical connection.For the heat-sinking capability of radiator and the light output efficiency of illumination light tube, the arrangement of this straight line of described LED light source has cost benefit.The quantity of the LED light source 220 being selectively mounted in described illumination light tube 200, to be suitable for being actually needed the power required with special application scenario.
The two ends of light-transmitting tube body 210 each connect an end cap 240, are installed in described end cap 240 for controlling the control circuit 225 of described LED light source 220.The high temperature that this arrangement of described control circuit had both prevented described control circuit 225 from being caused by the heat produced by described LED light source is affected, ensure that again described LED light source will not be stopped by described control circuit, unlike in the LED illumination light pipe of prior art, control circuit is arranged in light pipe through the light emission of described light pipe.Described control circuit is not main points of the present utility model, so being not described in detail here.End cap 240 has the near-end 241 and far-end 242 coupled with light-transmitting tube body, laying the first sealing member 250 between described near-end 241 and the opening 211 of light-transmitting tube body, nationality is made the opening 211 of described end cap 240 and light-transmitting tube body 210 be formed by described first sealing member 250 to be tightly connected.
As shown in Figure 4, the first sealing member 250 uses silicone rubber to make sealing ring, and its outer peripheral face offers annular groove 251, and described annular groove 251 engages with the opening 211 of light-transmitting tube body 210, to strengthen the sealing effectiveness between end cap 240 and light-transmitting tube body 210.Use two screws 212 through the screw hole of end cap 240 and the first sealing member 250 and to enter the screw hole matched on the opening 211 of light-transmitting tube body 210, end cap 240 and light-transmitting tube body 210 can be fixed together.Control the installation moment of torsion of screw 212, it is ensured that the first sealing member 250 is tightly connected for providing between end cap 240 and light-transmitting tube body 210.
Binding post 230 is disposed close to the position of the far-end 242 of end cap 240.Binding post 230 includes that two group interfaces, one of which interface are fire-wire interfaces 231 (L), and another group interface is zero line interface 232 (N), and each group interface has two quick connection points to be connected with external cable.Additionally, binding post 230 also includes a permanently connected point, wire 224 connect the permanently connected point of light pipe one end after through being connected to the binding post 230 that is positioned in the end cap of the light pipe other end inside light pipe.The configuration of such interface allows multiple illumination light tubes to couple together with daisy chain form (being connected with two, one end quick connection points by light pipe) in parallel and/or series connection (being connected by the quick connection points at light pipe two ends), have only to one group of input power and just can supply electricity to a bigger illumination light tube network, simplify and save the man power and material of wiring and wiring.
Trim 260, in cavity form, has outer end 261, and this outer end is provided with window 262.Trim 260 is closely sleeved on the opening 211 of end cap 240 and light-transmitting tube body 210, and whole end cap 240 and opening 211 are fully encapsulated, to the sensation of a kind of round and smooth gracefulness of people.Specifically, configuring four projections 243 on the outer peripheral face of the near-end 241 of end cap 240, described protruding 243 four notch (not shown) corresponding with on the inner peripheral surface of trim 260 engage, and are closely locked on end cap 240 by trim 260.Being provided with the second sealing member 270 between the far-end 242 and the outer end 261 of trim of described end cap, the second sealing member 270 is placed on the far-end 242 of end cap 240 by two locating dowels (not shown).In the present embodiment, described second sealing member 270 is silicone rubber O-ring form, and thickness is bigger than the first sealing member 250.When trim 260 is socketed in end cap 240, described second sealing member 270 is extruded by the outer end 261 of trim and is close to the far-end 242 of end cap, to such an extent as to described end cap 240 and described trim 260 are formed to compress and seal.By the window 262 of trim 260 it can be seen that the second sealing member 270 and binding post 230, conveniently cable is connected to binding post.This window 262 also becomes illumination light tube 200 and connects the cable outlet of external power source.
Additionally, be mounted with sensor and/or indicator 261 on the outer surface of trim 260, as shown in Figure 5.Sensor and/or indicator 261 are connected with the control circuit being arranged in end cap 240.Sensor can be such as passive infrared sensor, sensillum opticum, microwave oven state sensor etc., can be controlled switch and the dimming state of LED light pipe by these sensors.Indicator can be such as whether display LED light pipe switches on power, whether is in resting state etc..
Sealing gland 280 uses waterproof cable gland, including gland body assembly 281 and cylinder boss assembly 282.Gland body assembly 281 and cylinder boss assembly 282 are assembled integrally formation sealing gland 280.The window 262 of the size of sealing gland 280 and trim 260 matches gland body assembly 281 cervical region screw thread with injection mo(u)lding, and on the medial surface of the far-end 242 of end cap, it is also provided with the screw thread matched, when rotatory sealing gland 280 to latched position, form the pressure in pipe, the second sealing member 270 is compressed toward the far-end 242 of end cap.Sealing gland 280 is screwed into end cap 240 just trim 260 to be sealed, completely separated external environment condition.The cable 285 of external power source stretches into sealing gland 280 and is connected with binding post 230, powers for LED light source 220.Waterproof cable gland is the most known to those skilled in the art, so being not described in detail here.
With reference now to Fig. 6 and Fig. 7, the outer face of sealing gland 280 is provided with cue mark 283, for showing locking and the unlocked position of sealing gland 280.As shown in Figure 6, when rotary gland body assembly 281 to its above arrow point to unlock labelling, represent sealing gland 280 rotate to unlocked position, can take out whole for sealing gland 280.When rotary gland body assembly 281 to its above arrow point to lock token, represent sealing gland 280 rotate to latched position, closely press against the second sealing member 270, now complete waterproof sealing install.
Feed cable 285 to be connected, it is necessary to make sealing gland 280 unlock and separate with trim 260.Then feed cable 285 is connected to through gland body assembly 281 and cylinder boss assembly 282 live wire and the zero line interface 231,232 of binding post 230.After connection, then sealing gland 280 is screwed into the outer end 261 of trim 260, tightens sealing gland 280 to latched position, the most tightened cylinder boss assembly 282, will fully seal with the space of external power source cable 285.
With reference now to Fig. 2, Fig. 3 and Fig. 9, figure shows the lifting mode of LED illumination light pipe of the present utility model and installation clip used are installed.To this end, arrange two cannelures being spaced 213 along the length direction of light-transmitting tube body 210.In the present embodiment, using two installation clips 290, described installation clip 290 respectively includes relative two shoulder 291 and the end face 292 that said two shoulder 291 is coupled together.Shoulder 291 includes vertical component 293, the sloping portion 294 extended downwardly and inwardly from described vertical component 293 and the lateral part 295 extended laterally out from described sloping portion 294.The sloping portion 294 of two shoulders installing clip 290 is configured to be fastened on slidably in the corresponding cannelure 213 of described light-transmitting tube body 210.The end face 292 installing clip 290 is horizontally mounted hole 296 along longitudinal offering, and offers in the junction of each shoulder 291 and end face 292 and is mounted laterally hole 296A.Two hooks of suspension hook 297 pass to hook after being horizontally mounted hole 296 and are mounted laterally hole 296A, take this, LED illumination light pipe is lifted on desired installed surface, including ceiling or other installed surfaces.
Fig. 5 show install LED illumination light pipe of the present utility model be mounted flush against mode.It is with the installation clip difference shown in Fig. 2: installation clip 290 can need not setting and be mounted laterally hole 296A.With self-tapping screw 298 through install clip 290 end face 292 be horizontally mounted hole 296, described LED illumination light pipe can be fixed on desired installed surface to be mounted flush against mode, including metope, ceiling or other installed surfaces.
Because installing clip 290 to move along the length direction of light-transmitting tube body 210, therefore can regulate the distance between two installation clips 290, and the height lifted can be regulated through the length of the rope of suspension hook by regulation set.The installation of illumination light tube the most of the present utility model has high motility, correspondingly regulates the distance of two installation clips according to the existing hole for hoist of Already in ceiling, it is not necessary to redrilling.
Therefore, this utility model provides a kind of novel sealing waterproof type LED illumination light pipe, described LED illumination light pipe not only provides the sealing property of height, flexibly wiring and installation method, and can be uniformly distributed light with 180 degree or above wider light angle and more effectively extract light.
Although having fully described essence of the present utility model according to some preferred embodiments, but this utility model having should not be limited to the 26S Proteasome Structure and Function of described embodiment and accompanying drawing.Do not change as long as it is generally acknowledged, of the present utility model ultimate principle is altered or modified, this utility model can be carried out detailed modification.The many variations being readily obtained by the common knowledge of combination technology personnel in the case of without departing from scope of the present utility model and improvement, it should belong to scope of the present utility model.