This application claims August in 2016 submits Patent Office of the People's Republic of China, Application No. 201610700677.5, utility model on 19thThe priority of the Chinese patent application of entitled " U-shaped LED daylight lamp ", entire contents are hereby incorporated by the application.
Utility model content
Inventor has found that the flexible lamp plate in U-shaped LED illumination lamp can be arranged between the interior U-shaped of U-shaped fluorescent tube and outer U-shaped,And the direction (or light emission direction) of the LED light source (otherwise referred to as lamp bead, LED element) on flexible lamp plate with interior U-shaped to outer U-shapedDirection it is perpendicular.By observing U-shaped fluorescent tube, outer U-shaped to interior U shape profile line is diminishing, the i.e. length of contour lineDegree is gradually reduced, and this allows for the side of the close interior U-shaped of flexible lamp plate compared to the length near the side of outer U-shapedLittle, and the at present generally rectangular flat strip shaped of flexibility lamp plate, the length of both sides is consistent, so, the one of the close interior U-shaped of flexible lamp plateSide additional length meeting expression lobes in part in bending, so as to form " warping " problem, affect the service life of flexible lamp plate, withAnd lighting experience.
To solve the above problems, this utility model provides a kind of U-shaped LED illumination lamp, including：
Fluorescent tube, its bending for including the first paragraph being parallel to each other and second segment and connecting the first paragraph and second segmentSection；The Inner arc part of the first paragraph part relative with the second segment and the bending section is formed in the fluorescent tubeSidepiece；
Lamp holder, which is internally provided with power supply module；
Lamp plate, is arranged in the fluorescent tube, and the lamp plate is extended in the same direction with the fluorescent tube；It is provided with least on the lamp plateOne LED light source；At least partly the lamp plate is arranged at the medial part of the fluorescent tube.
Preferably, the lamp plate is extended in the same direction with the medial part, and at least one LED light source is along the inner side ministerArrange and arrange back to the medial part in degree direction.
Preferably, the first paragraph and the second segment back to part and the bending section external arc part shapeInto the lateral part of the fluorescent tube；
The lamp plate includes the Part I being parallel to each other and Part II and sweep；The Part I andThe Part II is arranged between the medial part and the lateral part；
The sweep includes sticking part and the placement section extended in the same direction with the bending section；The sticking part is fitted inThe medial part；The rest is provided with the LED light source between the medial part and the lateral part.
Preferably, width of the width of the placement section more than the sticking part.
Preferably, the placement section is orthogonal with the sticking part.
Preferably, the placement section includes multiple placement pieces being intervally arranged along the bending section bearing of trend；Each is putPut piece and be provided with LED light source described at least one.
Preferably, the two neighboring shape for placing the interval between piece is identical with the shape for placing piece.
Preferably, the lamp plate includes the first lamp plate part and the second lamp plate part being separated；The first lamp plate portionDivide and the second lamp plate part arranges to form the lamp plate along the fluorescent tube bearing of trend.
Preferably, the equal length of the first lamp plate part and the second lamp plate part.
Preferably, the lamp plate is provided with the surface of at least one LED light source and has light-reflecting portion, the light-reflecting portion energyReflect the light that at least one LED light source sends.
Preferably, along the lamp plate width, at least one LED light source is set near a side of the lamp platePut, the light-reflecting portion is arranged near another side.
Preferably, at least one LED light source that is partially toward that the lamp plate has the light-reflecting portion bends.
Preferably, the cross section that the lamp plate has the part of the light-reflecting portion extends along camber line.
Preferably, the lamp holder includes the first shell of lamp base for being arranged at the end of the first paragraph and is arranged at secondSecond shell of lamp base of the end of section；The first connection is provided between first shell of lamp base and second shell of lamp basePlate；
The power supply module includes the first power supply module being arranged in first shell of lamp base and is arranged at describedSecond source module in second shell of lamp base；It is connected between the first power supply module and the second source module and leadsLine.
Preferably, first shell of lamp base and second shell of lamp base are respectively arranged with card entry slot；Two cardsEnter the two ends that groove is relatively arranged on first connecting plate；The first power supply module passes through wire with the second source moduleAfter connection, card entry slot described in Jing is separately mounted in first shell of lamp base and second shell of lamp base.
Preferably, two card entry slots are respectively arranged with and snap in plate；Two snap in；It is described to leadWire clamp is located between first connecting plate and second connecting plate.
Preferably, one of first connecting plate and described second connecting plate are provided with jack, another to be provided with that insertion is described to insertThe insert in hole.
Preferably, first shell of lamp base is respectively equipped with lid and body with second shell of lamp base；The lidOne end of the body is covered on removably；Two lids are connected by first connecting plate；The wire is arrangedIn first connecting plate.
Preferably, the fluorescent tube is formed in one.
Preferably, the material of the fluorescent tube is glass.
Preferably, all LED light sources are by being connected in series.
Preferably, the lamp plate is flexible PCB.
Preferably, the width of the sweep is more than the Part I, the width of the Part II.
Preferably, the lamp holder includes the two of the end of the end and second segment for being respectively arranged at the first paragraphIndividual shell of lamp base；
The power supply module is arranged on a shell of lamp base or is dispersed in two shell of lamp base.
Preferably, when the power supply module is dispersed in two shell of lamp base, a power supply module institute whereinState.
By above description as can be seen that the U-shaped LED illumination lamp that this utility model is provided passes through at least part of lamp plateThe medial part of the fluorescent tube is arranged at, the length of two side walls of lamp plate is still in same U-shaped, and length therebetween is notHave differences, so as to being not in " warping " problem.
With reference to explanation hereinafter and accompanying drawing, particular implementation of the present utility model is disclose in detail, specified practicalNew principle can be in adopted mode.It should be understood that embodiment of the present utility model not thus is subject in scopeLimit.In the range of the spirit and terms of claims, embodiment of the present utility model includes many changes, modificationsAnd equivalent.
The feature for describing for a kind of embodiment and/or illustrating can be in same or similar mode one or moreIt is used in individual other embodiment, combined with the feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but andIt is not excluded for the presence of one or more further features, one integral piece, step or component or additional.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in this utility model, below in conjunction with this realityWith the accompanying drawing in new embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear thatDescribed embodiment is only a part of embodiment of this utility model, and what is be merely exemplary enumerates, rather than this practicality is newThe whole of type.Based on the embodiment in this utility model, those of ordinary skill in the art are based on design of the present utility model, are not havingThere is the every other embodiment obtained on the premise of making creative work, should all belong to the model of this utility model protectionEnclose.
It should be noted that when element is referred to as " being arranged at " another element, it can directly on another elementOr can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected toTo another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " parallel", "left", "right" and similar statement be intended merely to the explanation position relationship of particularization, it is unique enforcement to be not offered asMode, and the deviation for having within ± 30% on the basis of based on general knowledge is allowed, for example, for " vertical ", which includesThe situation of 90 degree of deviation ± 30% of relative datum line, i.e., 60 degree to 120 degree of scope belong to " vertical " of the present utility modelDefinition.And for " parallel ", such as the first paragraph for hereafter improving is parallel with second segment, including feelings of the error within 10 degreeShape, i.e. first paragraph and second segment each respectively former reference position deviate 10 degree within, so the parallel relation of the two is includedSituation of the angle within 20 degree.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged toThe implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply hereinThe purpose of description specific embodiment, it is not intended that in limiting this utility model.Term as used herein "and/or" bagInclude the arbitrary and all of combination of one or more related Listed Items.
Fig. 1 to Fig. 8 is refer to, a kind of U-shaped LED illumination lamp that this utility model is provided, the U-shaped LED illumination lamp include：LampPipe 10, which includes the first paragraph 11 being parallel to each other and second segment 12, and connects the bending of the first paragraph 11 and second segment 12Section 13；The part 111,121 relative with the second segment 12 of the first paragraph 11 and the Inner arc part of the bending section 13131 medial parts for forming the fluorescent tube 10；Lamp holder 20, which is internally provided with power supply module；The lamp being arranged in the fluorescent tube 10Plate 30, the lamp plate 30 are extended in the same direction with the fluorescent tube 10；At least one LED light source 40 is provided with the lamp plate 30；At leastThe part lamp plate 30 is arranged at the medial part of the fluorescent tube 10.
Wherein, first paragraph 11, second segment 12 and bending section 13 form U-shaped fluorescent tube 10.The medial part can form wholeThe interior U-shaped of individual U-shaped fluorescent tube 10.At least partly the lamp plate 30 is arranged at the medial part of the fluorescent tube 10, can be whole lamp plate30 laminatings are arranged at the medial part, and lamp plate 30 as shown in Figure 1 fits in the medial part back to the surface of LED light source 40Inner surface, or part lamp plate 30 be arranged at the medial part of fluorescent tube 10, the sweep 33 of lamp plate 30 as shown in Figure 4The inner surface of the medial part is fitted in by being provided with sticking part 331.
So that Fig. 1 is explained as an example, lamp plate 30 is flexible PCB, is provided with least one LED light source 40, usual LEDThe quantity of light source 40 is more, and which can be arranged in multiple row, or single-row arrangement.By lamp plate 30 is arranged at the fluorescent tube10 medial part, the length of two side walls of lamp plate 30 are still in same U-shaped, and length therebetween does not have differences,So as to being not in " warping " problem.
In one embodiment, fluorescent tube 10 is U-shaped fluorescent tube, and first paragraph 11 is with second segment 12 is straight tube, bending section 13 canThe transition connection portion point being considered as between first paragraph 11 and second segment 12.Generally, bending section 13 can be constructed for semicircle, its central angleSubstantially 180 degree.
Wherein, can be each individual components between first paragraph 11, second segment 12 and bending section 13, or it is singleA part for individual part.Preferably, fluorescent tube 10 is formed in one, i.e. first paragraph 11, second segment 12 and bending section 13 form oneBody structure.The material of fluorescent tube 10 can be plastics or glass, be that, with preferable radiating effect, the material of the fluorescent tube 10 is preferredFor glass.
In the present embodiment, the cross section of fluorescent tube 10 can be circle, or it is square, or other are irregularly shaped,This utility model is simultaneously not intended to be limited in any.For ease of manufacture, fluorescent tube 10 be preferably pipe, i.e. cross section be preferably shaped to circleShape.
In a preferred embodiment as shown in Figure 1 and Figure 2, the lamp plate 30 is extended in the same direction with the medial part.It is describedAt least one LED light source 40 is arranged along the medial part length direction and is arranged back to the medial part.
In the present embodiment, inner surface of the lamp plate 30 in the face of the surface of medial part with medial part is fitted (usuallyBonding, but this utility model also includes other connected modes, any fitted with fluorescent tube mode of purpose of lamp plate that can reach are belonged toCategory of the present utility model), lamp plate 30 is provided with LED light source 40 back to the surface of medial part.Due to the first paragraph 11 in fluorescent tube 10,Second segment 12, and bending section 13 be respectively provided with lamp plate 30, so, no matter LED light source 40 is in the first paragraph 11, second segment of fluorescent tube 1012, or the bending section 13 of fluorescent tube 10 is distributed.
As can be seen that the LED light source 40 in the present embodiment is luminous towards outer U-shaped (following lateral parts), meanwhile, whole fluorescent tube10 can light, and then illumination effect is relatively good, can also be prevented effectively from " warping " problem of lamp plate 30.
In another embodiment, such as Fig. 3, Fig. 4, the first paragraph 11 and the second segment 12 back to part 112,122 and the external arc part 132 of the bending section 13 form the lateral part of the fluorescent tube 10, wherein, lateral part can be formedAbove-mentioned outer U-shaped.
Typically, when fluorescent tube 10 with Fig. 3 (herein only with 10 example of fluorescent tube of Fig. 3, embodiment illustrated in fig. 3 not this realityApply example) shown in 10 state of fluorescent tube face user when, lateral part can form the outer U-shaped of fluorescent tube 10 shown in Fig. 3, and medial part can be with shapeInto the interior U-shaped of Fig. 3 fluorescent tubes 10, the part between lateral part and medial part of fluorescent tube 10 is the relative in front and back of fluorescent tube 10The part of (when scope of readers is to Fig. 3).
In the present embodiment, the lamp plate 30 can include the Part I 31 that is parallel to each other and Part II 32, andSweep 33；The Part I 31 and the Part II 32 are arranged between the medial part and the lateral part.InstituteState sticking part 331 and placement section (non-label) that sweep 33 can include extending in the same direction with the bending section 13.The patchConjunction portion 331 fits in the medial part.The rest is provided with institute between the medial part and the lateral partState LED light source 40.
Wherein, the Part I 31 of the lamp plate 30 is located at the first paragraph 11 of fluorescent tube 10, and Part II 32 is located at fluorescent tube 10Second segment 12, Part I 31 is with Part II 32 along straight-line extension.13 phase of bending section of sweep 33 and fluorescent tube 10Matching, as shown in figure 4, the width of sweep 33 is more than width (the i.e. clinodactyly part of Part I 31 and Part II 3233 width is respectively greater than the width of Part I 31 or Part II 32).In the present embodiment, by sweep 33Setting is fitted in the sticking part 331 of medial part, and the lamp plate 30 in BENDING PROCESS can be avoided " warping " problem occur.
In the present embodiment, for ease of the placement of LED light source 40, and ensure lamp plate 30 bend after not warpage, the placementWidth of the width in portion more than the sticking part 331.The placement section can be orthogonal with the sticking part 331, certainly, instituteState placement section and the sticking part 331 can also out of plumb, as long as meet keeping therebetween certain angle so as to overcome lamp plate30 warping phenomenons.Wherein, width of the placement section with sticking part 331 along lamp plate 30 can be seamlessly transitted, such as arcTransition, certainly, scheme of the present embodiment also including right angle transition.
Preferably to avoid " warping " problem, the placement section from including between multiple 13 bearing of trends along the bending sectionEvery the placement piece 332 of arrangement.By the placement piece 332 being intervally arranged, lamp plate after bending 30 can be conducive to remain along waterSquare to smooth, so as to ensure illumination effect.Wherein, each is placed piece 332 and is provided with LED light source 40 described at least one.ThanSuch as：A LED light source 40 can be provided with each placement piece 332 as shown in Figure 4.
In one embodiment, as shown in figure 9, for improve 30 masterbatch of lamp plate utilization rate, the two neighboring placement pieceThe shape at the interval 333 between 332 is identical with the shape for placing piece 332.Wherein shape is cut by 333 positions of the intervalPiece 332A is placed into second, another lamp plate (non-label) is formed after the completion of the plurality of second placement piece 332A cuttings, so as to togetherOne lamp plate, 30 masterbatch can cut to form two pieces of lamp plates 30, and then avoid being spaced the wastage of material of 333 parts, and relative reduction is producedThe processing cost of product.
Generally single U-shaped LED illumination lamp only needs to a lamp plate 30, but due to being actually needed, the one of lamp plate 30End generally needs to stretch into along one end of the fluorescent tube 10, then around the fluorescent tube 10 until stretching out the other end of fluorescent tube 10, whenWhen the length of a piece lamp plate 30 is longer, this kind of packaging technology is more difficult, and is difficult to ensure that the setting effect of lamp plate 30.
To avoid the problems referred to above, in an embodiment as shown in Figure 3, Figure 4, the lamp plate 30 can include being separatedThe first lamp plate part (non-label) and the second lamp plate part (non-label).The first lamp plate part and the second lamp plate part edge10 bearing of trend of the fluorescent tube arranges to form the lamp plate 30.
Wherein, the first lamp plate part is absolute construction with the second lamp plate part, and which can respectively by the two ends of fluorescent tube 10(two ends of fluorescent tube 10 are located at the same side) insertion fluorescent tube 10, is easier to stretch into fluorescent tube 10, is easy to manufacture.
In the present embodiment, the equal length of the preferred first lamp plate part and the second lamp plate part.Certainly,The first lamp plate part can also be unequal with the second lamp plate partial-length, the first lamp plate part and described secondLamp plate is partially separated the bending section 13 that position may be located at fluorescent tube 10.
To improve the utilization rate of light, the illuminating effect of U-shaped LED illumination lamp is lifted, in an embodiment as shown in Figure 5In, the lamp plate 30 is provided with the surface of at least one LED light source 40 and has light-reflecting portion 34, and the light-reflecting portion 34 can reflectThe light that at least one LED light source 40 sends.Wherein, the light-reflecting portion 34 can be reflective by being coated with the surface of lamp plate 30Material and formed, as seen from Figure 5, the lamp plate 30 have place LED light source 40 base portion and the light-reflecting portion 34, it is described reflectivePortion 34 is formed along one end warpage of the base portion.
To lift reflecting effect, along 30 width of the lamp plate, at least one LED light source 40 is near the lamp plate30 side arranges (being generally located at the bottom of lamp plate 30, i.e., aforesaid base portion), and the light-reflecting portion 34 can be near opposite sideSide is arranged.By this kind of setting, light can be made to go out light towards the required light out part position of fluorescent tube, and the utilization rate of light can be lifted out.
Further, the lamp plate 30 have the light-reflecting portion 34 to be partially toward at least one LED light source 40 curvedFolding.Wherein, the part that the lamp plate 30 has the light-reflecting portion 34 can have various bending forms, such as bend along broken line(cross section is broken line) or along the kink of curve (cross section is curve).Used as preferred, the lamp plate 30 has described reflectiveThe cross section of the part in portion 34 extends along camber line.
In one embodiment, the lamp holder 20 includes the first shell of lamp base 21 for being arranged at the end of the first paragraph 11And it is arranged at the second shell of lamp base 22 of the end of second segment 12.First shell of lamp base 21 and second shell of lamp baseThe first connecting plate 23 is provided between 22.
As shown in Figure 6, Figure 7, one end of the first shell of lamp base 21 and the second shell of lamp base 22 is provided with conductive pin, to plugSwitch on power on lamp socket；One end of first shell of lamp base 21 and the second shell of lamp base 22 is arranged respectively and (is arranged outside or is arrangedInterior) end of first paragraph 11 and the end of second segment 12.Power supply module is electrically connected with conductive pin, to receive outside confessionThe signal of telecommunication.Generally, power supply module can carry out rectification, filtering etc. to outside power supply signal.Power supply module is connected with lamp plate 30,The signal after process is provided to LED light source 40 by lamp plate 30, so that LED light source 40 is luminous.
In the present embodiment, the power supply module can include the first power supply being arranged in first shell of lamp base 21Module 24 and the second source module 25 being arranged in second shell of lamp base 22.The first power supply module 24 with it is describedWire 26 is connected between second source module 25.First connecting plate 23 can be blocked to wire 26, to avoid wire 26It is exposed, so as to reduce user's electric shock risk.
The difficulty of lamp holder 20, in an embodiment as shown in Figure 6, first lamp are arranged on to reduce power supply moduleCasing 21 and second shell of lamp base 22 can be respectively arranged with card entry slot 211,221.Two card entry slots 211,221It is relatively arranged on the two ends of first connecting plate 23.The first power supply module 24 is with the second source module 25 by leadingAfter line 26 connects, card entry slot 211,221 described in Jing is separately mounted to first shell of lamp base 21 and second shell of lamp baseIn 22.
Wherein, two card entry slots 211,221 are respectively in the first shell of lamp base 21 and the second shell of lamp base 22 towards fluorescent tube10 end face forms opening, and 26 Jing of the wire openings can be entered in card entry slot 211,221.By this kind of setting, wire 26 canWith when the first power supply module 24 is installed with the second source module 25 with the first power supply module 24 and second source module 25Together move.
In the present embodiment, the first power supply module 24 can be not loaded into lamp holder 20 with the second source module 25When first pass through wire 26 and connect, then the first power supply module 24 and the second source module 25 are respectively charged into into the first lamp holderHousing 21 and the second shell of lamp base 22, it can be seen that install very convenient.
Further, to avoid wire 26, the first power supply module 24 exposed with the second source module 25, two snap inGroove 211,221 is correspondingly arranged on respectively and snaps in plate 27.Two snap in the second connecting plate 28 are provided between plate 27.The wire 26 is pressed from both sidesBetween first connecting plate 23 and second connecting plate 28.Wherein, snap in plate 27 to block card entry slot 211,221,Two snap in plate 27 and the formation "U" shaped of the second connecting plate 28.
In the present embodiment, the second connecting plate 28 snaps in plate 27 with two and is fixedly connected, or is formed in one.Second connectionIt is to be detachably connected between plate 28 and the first connecting plate 23.Preferably, first connecting plate 23 and second connecting plate 28One of be provided with jack, it is another to be provided with the insert for inserting the jack.As shown in fig. 6, the first connecting plate 23 is provided with multiple insertingHole (does not indicate), and multiple jacks are arranged along the length direction of the first connecting plate 23, and it is convex that the second connecting plate 28 is provided with multiple insertions281 are played, multiple insertions raised 281 are corresponded with multiple jack positions.
In another embodiment as shown in Figure 7, first shell of lamp base 21 is distinguished with second shell of lamp base 22It is provided with lid 212,222 and body 213,223；The lid 212,222 is removably covered on the one of the body 213,223End；Two lids 212,222 are connected by first connecting plate 23；The wire 26 is arranged at first connecting plateIn 23.
As shown in fig. 7, first connecting plate 23 is stretched out at the two ends of wire 26 respectively.When mounted, first by the first power supplyThe corresponding welding with the two ends of wire 26 respectively of module 24 and the second source module 25, then by the first power supply module 24 with it is describedSecond source module 25 is respectively charged in two bodys 213,223, and lid 212,222 is covered on corresponding body then213rd, 223 the assembling of lamp holder 20 can be completed.
Please continue to refer to shown in Fig. 6, Fig. 7, the lamp holder 20 can include the end for being respectively arranged at the first paragraph 11And two shell of lamp base 21,22 of the end of the second segment 12；The power supply module is arranged on a shell of lamp base21/22, or, being dispersed in two shell of lamp base 21,22.Used as preferred, the power supply module is dispersed in described in twoDuring shell of lamp base 21,22, the power supply module includes electrochemical capacitor in the wherein individual shell of lamp base.
As shown in figure 8, to avoid the Copper Foil that lamp plate 30 narrow (i.e. width is less) causes from being difficult to wiring problem, the LEDLight source 40 is by being connected in series.When lamp plate 30 is single independent overall, all described LED light source 40 thereon is by the company of series connectionConnect.When lamp plate 30 includes the first lamp plate part and the second lamp plate part, the first lamp plate part and the second lamp plate part are each gone upAll described LED light source 40 by being connected in series.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented andThe all values of upper value, the interval that there are at least two units between any lower value and any much higher value.For example, such asFruit elaborates that the value of the quantity or process variable (such as temperature, pressure, time etc.) of a part is from 1 to 90, preferably from 20To 80, more preferably from 30 to 70, then purpose is to illustrate that such as 15 to 85,22 are also clearly listed in the description arrives68th, 43 to 51,30 to 32 is equivalent.For the value less than 1, suitably think that a unit is 0.0001,0.001,0.01,0.1.These are only intended to the example clearly expressed, it is believed that the numerical value enumerated between minimum and peak is possible toCombination is all expressly set forth in the description in a similar manner.
Unless otherwise stated, all scopes all include all numerals between end points and end points.It is used together with scope" about " or " approximate " be suitable for two end points of the scope.Thus, " about 20 to 30 " be intended to cover " about 20 to about30 ", at least including the end points for indicating.
The all articles for disclosing and reference material, including patent application and publication, for various purposes by quoting knotTogether in this.The term " substantially by ... constitute " of description combination should include determined by element, composition, part or step and realityOther elements, composition, part or step without the basic novel feature for affecting the combination in matter.Using term "comprising" or" including " is describing the combination of element here, composition, part or step it is also contemplated that basic by these elements, composition, partOr the embodiment that step is constituted.Here by using term " can with ", it is intended to which illustrate that " can with " include is described anyAttribute is all optional.
Multiple element, composition, part or step can be provided by single integrated component, composition, part or step.AlternativeGround, single integrated component, composition, part or step can be divided into detached multiple element, composition, part or step.It is used forThe open "a" or "an" of description element, composition, part or step is not said to exclude other elements, composition, partOr step.
As described above, this utility model complies fully with three important document of patent：Practicality in novelty, creativeness and industry.This utility model is hereinbefore disclosed with preferred embodiment, and so being familiar with the technology person should be understood that the embodiment is only usedIn description this utility model, and it is not construed as limiting scope of the present utility model.It should be noted that such as with the embodiment etc.The change of effect and displacement, all should be set to be covered by category of the present utility model.Therefore, protection domain of the present utility model when withThe scope of which is defined in the appended claims is defined.