Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, a kind of good heat dissipation effect is providedLED lamp tube.
The technical solution adopted by the present invention to solve the technical problems is: a kind of LED lamp tube of good heat dissipation effect, including shellBody, mounting plate, substrate, two conducting blocks and several lamp beads, the mounting plate are located at the side of shell, the mounting plate and shellAxis it is parallel, two conducting blocks are separately fixed at the both ends of shell, and the substrate is fixed between two conducting blocks, the basePlate is parallel with mounting plate, and the lamp bead is evenly distributed on the side of the separate mounting plate of substrate, further include two radiating subassemblies andAt least two heat-conductive assemblies, two radiating subassemblies are located at the both ends of shell, and the radiating subassembly and conducting block correspond,The radiating subassembly is located at the side of the close mounting plate of conducting block, and the heat-conductive assembly is evenly distributed on the separate lamp bead of substrateSide；
The heat-conductive assembly includes aperture and heating column, and the heating column is vertical with substrate, one end of the heating column withSubstrate is fixedly connected, and the other end of the heating column is fixedly connected with mounting plate, and the close installation of shell is arranged in the apertureOn the inner wall of the side of plate, the periphery of the heating column and the inner wall of aperture are tightly connected, and the making material of the heating column isCeramics；
The radiating subassembly includes that heat-conducting plate, cylinder, sealing plate, radiating block, spring, riser, through-hole and two limits are singleMember, the cylinder are fixed on the side of the separate lamp bead of substrate by heat-conducting plate, and the through-hole is arranged on shell, the cylinderPeriphery and the inner wall of through-hole be tightly connected, the sealing plate is located at the inside of cylinder, the periphery of the sealing plate and cylinderInner wall is tightly connected, and the shape of the radiating block is cylinder, and the radiating block and cylinder coaxial are arranged, and the one of the radiating blockEnd is located at the inside of cylinder, and the other end of the radiating block is connect by spring with riser, and the riser is fixed on mounting plateClose to the side of shell, the spring is in compressive state, and two position-limiting units are located at the one of the separate shell of radiating blockAbove and below end.
Preferably, in order to reinforce heat-sinking capability, one end of the close mounting plate of the heating column is equipped with several convex blocks, instituteThe outside that convex block is located at shell is stated, the convex block is evenly distributed on heating column.
Preferably, the heat-conductive assembly further includes instlated tubular in order to concentrate on heat on heating column, the heating columnBe coaxially disposed with instlated tubular, one end of the instlated tubular is fixedly connected with substrate, the other end of the thermal insulation board and shell it is interiorWall is fixedly connected.
Preferably, in order to limit the movement of radiating block, the position-limiting unit includes stop collar, limited block and gag lever post,The limited block is fixedly connected by gag lever post with riser, and the stop collar is set on gag lever post, the stop collar and heat dissipationBlock is fixedly connected, and the gag lever post is parallel with the axis of radiating block.
Preferably, in order to avoid sealing plate enters enclosure interior, the inner wall of one end of the separate radiating block of the cylinderIt is equipped with several blocks.
Preferably, in order to limit the moving range of sealing plate, one end of the close riser of the sealing plate and cylinderDistance is greater than the length of spring.
The invention has the advantages that the LED lamp tube of the good heat dissipation effect absorbs the heat that lamp bead distributes by heat-conductive assemblyAmount, and it is transmitted to the outside of shell, it realizes heat dissipation, slows down rate of rise in temperature in shell, moreover, with shell body temperatureRise, air heats expansion pushes sealing plate to move in cylinder, contacts radiating block, and sealing plate is made to absorb heat in shellAfter pass to radiating block, heat is distributed by radiating block, the heat-sinking capability of the LED lamp tube is further enhanced, improves and setStandby practicability.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only withIllustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of LED lamp tube of good heat dissipation effect, including 3, two shell 1, mounting plate 2, substrate conducting blocks 4With several lamp beads 5, the mounting plate 2 is located at the side of shell 1, and the mounting plate 2 is parallel with the axis of shell 1, two conductionsBlock 4 is separately fixed at the both ends of shell 1, and the substrate 3 is fixed between two conducting blocks 4, and the substrate 3 and mounting plate 2 are flatRow, it further includes that two radiating subassemblies and at least two lead that the lamp bead 5, which is evenly distributed on the side of the separate mounting plate 2 of substrate 3,Hot component, two radiating subassemblies are located at the both ends of shell 1, and the radiating subassembly and conducting block 4 correspond, the heat dissipationComponent is located at the side of the close mounting plate 2 of conducting block 4, and the heat-conductive assembly is evenly distributed on the one of the separate lamp bead 5 of substrate 3Side；
The heat-conductive assembly includes aperture and heating column 6, and the heating column 6 is vertical with substrate 3, and the one of the heating column 6End is fixedly connected with substrate 3, and the other end of the heating column 6 is fixedly connected with mounting plate 2, and shell 1 is arranged in the apertureOn the inner wall of the side of mounting plate 2, the periphery of the heating column 6 and the inner wall of aperture are tightly connected, the heating column 6Making material is ceramics；
In the LED lamp tube, after mounting plate 2 is fixedly mounted, the position of shell 1 can be fixed, by supplying to conducting block 4Electricity can make the lamp bead 5 on substrate 3 shine and be illuminated, the inside of shell 1, absorb the luminous generation of lamp bead 5 using substrate 3Heat, then heating column 6 is transferred heat to, heating column 6 is made of ceramic, it is ensured that the good heating conduction of heating column 6 is ledAfter plume 6 absorbs heat, temperature rises, and heat is distributed from one end of the separate substrate 3 of heating column 6, and the LED lamp tube can be realizedHeat sinking function, to slow down the rate of climb of 1 internal temperature of shell.
As shown in Fig. 2, the radiating subassembly includes heat-conducting plate 7, cylinder 8, sealing plate 9, radiating block 10, spring 11, riser12, through-hole and two position-limiting units, the cylinder 8 is fixed on the side of the separate lamp bead 5 of substrate 3 by heat-conducting plate 7, described logicalHole is arranged on shell 1, and the periphery of the cylinder 8 and the inner wall of through-hole are tightly connected, and the sealing plate 9 is located at the interior of cylinder 8Side, the periphery of the sealing plate 9 and the inner wall of cylinder 8 are tightly connected, and the shape of the radiating block 10 is cylinder, the heat dissipationBlock 10 and cylinder 8 are coaxially disposed, and one end of the radiating block 10 is located at the inside of cylinder 8, and the other end of the radiating block 10 is logicalIt crosses spring 11 to connect with riser 12, the riser 12 is fixed on the side of the close shell 1 of mounting plate 2, and the spring 11 is inCompressive state, two position-limiting units are located above and below one end of separate shell 1 of radiating block 10.
As the temperature in shell 1 is gradually increasing, the air inside shell 1 is gradually increased, to push in radiating subassemblySealing plate 9 in cylinder 8 is mobile to the direction far from shell 1, and sealing plate 9 continues to keep movement, thus contacted with radiating block 10,Cylinder 8 is transferred heat to using substrate 3 and heat-conducting plate 7, and after cylinder 8 is by transferring heat to sealing plate 9 inside it, it is closeSealing plate 9 is contacted with radiating block 10, so that radiating block 10 absorbs the heat of sealing plate 9, and heat is dissipated from the outside of shell 1It sends out, in radiating subassembly, when sealing plate 9 is moved and is contacted against on radiating block 10, pressure is generated to radiating block 10, is led toThe spring 11 of overcompression generates thrust to radiating block 10, makes 10 stress balance of radiating block, makes 10 He of radiating block using spring 11Sealing plate 9 has certain moving range, mobile convenient for the gas push sealing plate 9 and radiating block 10 of expanded by heating in shell 1.
Preferably, in order to reinforce heat-sinking capability, one end of the close mounting plate 2 of the heating column 6 is equipped with several convex blocks13, the convex block 13 is located at the outside of shell 1, and the convex block 13 is evenly distributed on heating column 6.It is increased and is led by convex block 13The surface area of plume 6, so that there are more contacts area in heating column 6 and the external world, convenient for reinforcing the heat-sinking capability of the LED lamp tube.
Preferably, the heat-conductive assembly further includes instlated tubular 14, described to lead in order to concentrate on heat on heating column 6Plume 6 and instlated tubular 14 are coaxially disposed, and one end of the instlated tubular 14 is fixedly connected with substrate 3, the other end of the thermal insulation boardIt is fixedly connected with the inner wall of shell 1.It is convenient for heat when flowing on heating column 6 using instlated tubular 14, is located at shell in heating column 6In the inside of body 1, heat is avoided to distribute, so that heat is distributed from the position of heating column 6 being located at outside shell 1, realizedHeat sinking function.
Preferably, in order to limit the movement of radiating block 10, the position-limiting unit includes stop collar 15, limited block 16 and limitPosition bar 17, the limited block 16 are fixedly connected by gag lever post 17 with riser 12, and the stop collar 15 is set on gag lever post 17,The stop collar 15 is fixedly connected with radiating block 10, and the gag lever post 17 is parallel with the axis of radiating block 10.When the shape of spring 11When variable changes, stop collar 15 is moved along the axis for the gag lever post 17 being fixed on riser 12, passes through limited block16 limit the sliding scale of stop collar 15, avoid stop collar 15 from being detached from gag lever post 17, to ensure that the steady of radiating block 10It is mobile.
Preferably, in order to avoid sealing plate 9 enters inside shell 1, one end of the separate radiating block 10 of the cylinder 8Inner wall is equipped with several blocks 18.After avoiding the air themperature inside shell 1 from declining by block 18, air is shunk so that sealingWhen plate 9 is mobile to the direction far from radiating block 10, sealing plate 9 is detached from cylinder 8 and enters in shell 1.
Preferably, in order to limit the moving range of sealing plate 9, the sealing plate 9 and the one of the close riser 12 of cylinder 8The distance at end is greater than the length of spring 11.It, will when preventing gas expansion from pushing sealing plate 9 mobile by guaranteeing the length of cylinder 8The outside of the release cylinder 8 of sealing plate 9.
When the LED lamp tube is run, the heat that the operation of lamp bead 5 generates is absorbed using heating column 6, and by heat from heating column 6One end of separate substrate 3 distribute, realize heat dissipation, reduce by the 1 internal temperature rate of climb of shell, when in shell 1 when the temperature is excessively high,Gas expansion pushes sealing plate 9 to move in cylinder 8, so that sealing plate 9 is contacted with radiating block 10, sealing plate 9 will be in shell 1Heat transfer to radiating block 10, the heat of shell 1 is distributed by radiating block 10, further realizes heat dissipation, is guaranteed in shell 1Lamp bead 5 operate under suitable temperature environment, improve the practicability of the LED lamp tube.
Compared with prior art, the LED lamp tube of the good heat dissipation effect absorbs the heat that lamp bead 5 distributes by heat-conductive assembly,And it is transmitted to the outside of shell 1, it realizes heat dissipation, slows down rate of rise in temperature in shell 1, moreover, with temperature in shell 1Rise, air heats expansion pushes sealing plate 9 to move in cylinder 8, contacts radiating block 10, and sealing plate 9 is made to absorb shell 1Radiating block 10 is passed to after interior heat, is distributed heat by radiating block 10, further enhances the heat radiation energy of the LED lamp tubePower improves the practicability of equipment.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is completeVarious changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this inventionProperty range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.