CN101469849A - Power supply component for lamp, discharge lamp, discharge lamp unit and light-emitting device - Google Patents
Power supply component for lamp, discharge lamp, discharge lamp unit and light-emitting device Download PDFInfo
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- CN101469849A CN101469849A CNA2008101889402A CN200810188940A CN101469849A CN 101469849 A CN101469849 A CN 101469849A CN A2008101889402 A CNA2008101889402 A CN A2008101889402A CN 200810188940 A CN200810188940 A CN 200810188940A CN 101469849 A CN101469849 A CN 101469849A
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- discharge lamp
- glass bulb
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- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
The present invention provides a lamp power supply component, an electric discharge lamp, an electric discharge lamp unit and a light-emitting device which can reduce the mechanical load exerted to the lamp when the lamp is installed or transported on the socket and can stably supply power. The electric discharge lamp 20 of the invention comprises the following components: an electric discharge lamp body 10 which is provided with a glass bulb 11 packaged with one pair of electrodes; and a power supply component 1 which is composed of a main body part 2 and a power supply terminal 3, wherein, the main body part 2 is composed of elastic body and is formed with an insertion opening 2c for the insertion of end of glass bulb 11. The power supply terminal 3 is kept on the main body part 2 with a mode of projection to the axial direction of glass bulb 11 and is provided with a communicating part 3a communicated with the insertion opening 2c. Furthermore, the insertion opening 2c of main body part 2 is inserted with the end of glass bulb 11. The power supply terminal 3 is connected with an electrode conducting wire 12 which is leaded out from the end of glass bulb 11 into the communicating part 3a.
Description
Technical field
The present invention relates to power supply component, the discharge lamp (discharge lamp) that uses this power supply component, discharge lamp unit (discharge lamp unit) used in a kind of cold-cathode discharge lamp etc. and use the light-emitting device of this discharge lamp unit.
Background technology
As the power supply structure of existing cold-cathode discharge lamp etc., the film of the scolder system that adheres to is arranged as everyone knows, the structure (with reference to patent documentation 1) that this film is connected with electrode cable on the outer peripheral face at the both ends of glass bulb (glass bulb).In this structure, keep lamp, and make lamp socket and formation is electrically connected as the film of power supply terminal by the lamp socket (lamp holder) that constitutes by grip block with spring action.And, following structure is arranged as everyone knows: the padded coaming that ring-type is installed near the outer surface the glass tube two ends of cold-cathode discharge lamp, make this padded coaming come butt keeping, and make on the female terminal of lead resilient clamp in box and the connection of powering (with reference to patent documentation 2) by the box (case) of socket (socket) and lid (cover).
Patent documentation 1: the Japan Patent spy opens the 2007-157564 communique
Patent documentation 2: the Japan Patent spy opens the 2007-95625 communique
Yet the structure of record is to keep lamp on the lamp socket that is made of grip block in the patent documentation 1, when lamp is installed, can apply mechanical load to the glass bulb of lamp, might cause the bulb breakage.And, after installation owing to also directly bulb is applied confining force from lamp socket, therefore can produce stress (stress) accumulate or the distortion of glass etc. is former thereby cause the problem of bulb breakage.And then also have following problem: the adhering step of film is miscellaneous, and yield is relatively poor, and, when being inserted lamp socket, lamp can eliminate film.Therefore, there is the relatively poor problem of assembling operation.
On the other hand, in the patent documentation 2 structure of record be with the lead resilient clamp on female terminal, therefore same owing to come lamp is applied mechanical load but when lamp is installed with patent documentation 1 via lead, might cause the bulb breakage.And, though near the outer surface the glass tube two ends, padded coaming is installed, can not alleviate when lamp is installed mechanical load to lamp.Particularly, expect to alleviate mechanical load to lamp along with rectangularization or the thin footpathization of in recent years lamp.
Summary of the invention
The present invention researches and develops in view of described situation, purpose is to provide a kind of can alleviate the mechanical load that lamp is applied when lamp or transportation lamp are installed on socket, and the power supply component for lamp that can stably power, discharge lamp, discharge lamp unit and light-emitting device.
The described power supply component for lamp of the present invention's the 1st invention is characterized in that comprising: by the main part that elastomer constitutes, being formed with can be for the insertion mouth of lamp with the end intercalation of bulb; And power supply terminal, remaining on the main part, and have and insert a mouthful interconnecting part that is communicated with towards the outstanding mode of the opposition side of the insertion mouth of described main part.Intercalation is meant, can form the state with the space of the insertion mouth inner surface of main part under the state that the end of bulb is inserted hardly.Preferred chimeric to following degree, that is, the inner surface of insertion mouth forms the part with the surface of bulb end or all contacts, and thereby be able to flexible fastening, but may not be defined in this, also can swim embedding under the non-contacting state at both.
The described power supply component for lamp of the present invention the 2nd invention is the described power supply component for lamp of the 1st invention according to the present invention, it is characterized in that, and in the inboard of the insertion mouth of main part, devices spaced apart and be formed with a plurality of projections.
The described power supply component for lamp of the present invention's the 3rd invention is the described power supply component for lamp of the 1st or the 2nd invention according to the present invention, it is characterized in that power supply terminal embeds and forms on the main part.
The described discharge lamp of the present invention the 4th invention is characterized in that comprising: the discharge lamp main body has the glass bulb of the pair of electrodes of encapsulating; And power supply component, constitute by main part and power supply terminal, wherein, described main part is to be made of elastomer, and be formed with can be for the insertion mouth of the end intercalation of glass bulb, and described power supply terminal is to remain on the main part towards the outstanding mode of the direction of principal axis of glass bulb, and have and an insertion mouthful interconnecting part that is communicated with, and intercalation has the end of glass bulb in the insertion mouth of main part, is connected with the electrode cable that exports to from the end of glass bulb in the interconnecting part on power supply terminal.The preferred cold-cathode discharge lamp of discharge lamp, but also applicable hot-cathode fluorescent lamp etc.
The described discharge lamp of the present invention the 5th invention is the described discharge lamp of the 4th invention according to the present invention, it is characterized in that, described power supply terminal and being connected of electrode cable are to form ca(u)lk portion and carry out by power supply terminal being carried out punching press.
The described discharge lamp of the present invention the 6th invention is the described discharge lamp of the 5th invention according to the present invention, it is characterized in that, the position of described ca(u)lk portion is more than or equal to 4mm apart from the end of glass bulb.
The described discharge lamp of the present invention's the 7th invention, be the described discharge lamp of the 5th or the 6th invention according to the present invention, it is characterized in that described ca(u)lk portion is formed on two positions at least, these ca(u)lk portions make the position of the direction of principal axis of power supply terminal and Zhou Fangxiang stagger and form.
The described discharge lamp of the present invention's the 8th invention, be the described discharge lamp of the 4th invention according to the present invention, it is characterized in that, in the inboard of the insertion mouth of described main part, devices spaced apart and be formed with a plurality of projections, and between the insertion mouth of glass bulb and main part, be formed with the space.The space both can form under all projections and glass bulb state of contact, also can form under discontiguous state.
The described discharge lamp of the present invention's the 9th invention is the described discharge lamp of the 8th invention according to the present invention, it is characterized in that the void size t that forms between the insertion mouth inner surface of glass bulb surface and described main part is 0.1mm～0.5mm.When void size t exists when inhomogeneous, as long as mean value is in this scope.
The described discharge lamp of the present invention's the 10th invention is the described discharge lamp of the 9th invention according to the present invention, it is characterized in that the wall thickness T of the part of the end intercalation of the confession glass bulb of described main part and the ratio t/T of described void size t are 0.1～0.5.
The described discharge lamp of the present invention the 11st invention is the described discharge lamp of arbitrary invention in the 4th to the 10th invention according to the present invention, it is characterized in that the material of described main part is to be the silicon rubber manufacturings of 50 degree～70 degree by the hardness of stipulating in the JIS specification.
The described discharge lamp of the present invention's the 12nd invention, be according to the present invention the 4th to the 10th the invention in the described discharge lamp of arbitrary invention, it is characterized in that, the part of the end intercalation of the confession glass bulb in the described main part more is positioned at the end of glass bulb than the front position of the side toward each other of pair of electrodes.
The described discharge lamp of the present invention the 13rd invention is the described discharge lamp of arbitrary invention in the 4th to the 10th invention according to the present invention, it is characterized in that glass bulb end and power supply terminal separate given size.
The described discharge lamp unit of the present invention's the 14th invention is characterized in that comprising: the described discharge lamp of arbitrary invention in the 4th to the 10th invention according to the present invention; And socket, be used for supporting the power supply component of described discharge lamp, and have the power supply terminal connection terminals with power supply component.
The described light-emitting device of the present invention's the 15th invention is characterized in that comprising: apparatus main body; And be installed on the described apparatus main body according to the present invention the 14th the invention described discharge lamp unit.This notion of light-emitting device comprises display (display) device or the so-called ligthing paraphernalia that illuminates the space.
[invention effect]
According to the present invention, can provide a kind of and can alleviate the mechanical load that lamp is applied when lamp or transportation lamp are installed on socket, and the power supply component for lamp that can stably power, discharge lamp, discharge lamp unit and light-emitting device.
Description of drawings
Fig. 1 is the front view and the side view of first embodiment of expression power supply component for lamp of the present invention.
Fig. 2 is the profile of first embodiment of expression power supply component for lamp of the present invention.
Fig. 3 is the front view of the part of expression discharge lamp main body of the present invention.
Fig. 4 is the profile of expression discharge lamp of the present invention.
Fig. 5 is the profile of other embodiments of expression discharge lamp of the present invention.
Fig. 6 is the exploded perspective view of expression lamp socket of the present invention.
Fig. 7 is the stereogram at the back side of expression socket cover of the present invention.
Fig. 8 is the stereogram of expression lamp socket of the present invention.
Fig. 9 is the stereogram of the number of assembling steps of expression discharge lamp unit of the present invention.
Figure 10 is the stereogram of the number of assembling steps of expression discharge lamp unit of the present invention.
Figure 11 is the stereogram of the number of assembling steps of expression discharge lamp unit of the present invention.
Figure 12 is the profile of the embodiment of expression discharge lamp unit of the present invention.
Figure 13 is the profile of expression socket box of the present invention.
Figure 14 is the stereogram of second embodiment of expression power supply terminal of the present invention.
Figure 15 (a), Figure 15 (b) are the front view and the profiles of second embodiment of expression power supply terminal of the present invention.
Figure 16 (a), Figure 16 (b) are the front view and the profiles of second embodiment of expression power supply terminal of the present invention.
Figure 17 is the right side view of described Figure 15 (a), Figure 15 (b).
Figure 18 is the profile of expression power supply component of the present invention.
Figure 19 is the profile of expression discharge lamp of the present invention.
[explanation of symbol]
1 power supply component for lamp
2 main parts
2a first inside diameter
2b second inside diameter
2c inserts mouth
The 2d projection
3 power supply terminals
The 3a interconnecting part
The 3b guide portion
The 3c anti-delinking part
3d, 3d1,3d2 ca(u)lk portion
3e1,3e2 protuberance
10 discharge lamp main bodys
11 glass bulb
12 electrode cables
The 12a containment member
The 12b wire element
13 fluorescent films
14 electrodes
The 14a peristome
20 discharge lamps
30 lamp sockets
31 socket boxes
32 socket covers
32a fixed part (attachment recess)
32b press section (pushing recess)
32c, 33c rib
32f, 33f fasten pawl
33 socket box main bodys
33a bearing recess
The 33b recess
The 33d patchhole
The 33e fastening hole
34 electric connection terminals
The 34a pedestal
The 34b foundation leg
34c connects recess
34d has cut sheet
40 discharge lamp units
50 baskets
51 installing holes
D, D1 external diameter
D1, d2 size
D3, d4 internal diameter
L, L1, L2 length
The T wall thickness
G1, G2 given size
The specific embodiment
Below, referring to figs. 1 through Fig. 4, first embodiment of power supply component for lamp of the present invention and discharge lamp is described.Fig. 1 is the front view and the side view of expression power supply component for lamp, Fig. 2 is the profile of described power supply component for lamp, Fig. 3 is the front view of the part of expression discharge lamp main body, and Fig. 4 is the profile of expression discharge lamp, and Fig. 5 is the profile of other embodiments of expression discharge lamp.
In Fig. 1 and Fig. 2, power supply component 1 is to be made of main part 2 and power supply terminal 3.Main part 2 is that the hardness by regulation in the JIS (JIS K 6253) is that the elastomer with thermal conductivity of the silicon rubber manufacturings of 60 degree constitutes, and it is cylindric to form general hollow.Outer diameter D is φ 4.7mm, and length L is 8.5mm, and wall thickness T is about 1.0mm.The inner hollow diameter portion of main part 2 is made of the first inside diameter 2a and the second inside diameter 2b.The size d1 of the first inside diameter 2a is about φ 3.7mm, and the open end side of the first inside diameter 2a becomes can supply the insertion mouth 2c of the bulb end intercalation of following discharge lamp main body.And, on the first inside diameter 2a, be formed with outstanding to the inside a plurality of projection 2d ...Particularly, three ribs (rib) shape projection 2d ... separate respectively roughly 120 degree all uniformly-spaced on the center position about inwards outstanding 0.2mm and form.Projection 2d ... openend with the distance first inside diameter 2a is that several millimeters inboard is a starting point, forms towards the second inside diameter 2b direction.Become thus and insert the end of bulb easily.
The openend size d2 of the second inside diameter 2b is about φ 2.5mm, forms with the diameter less than the first inside diameter 2a.And the main part 2 preferred hardness of using are the silicon rubber system elastomer of 50 degree～70 degree.Its reason is: if hardness less than 50 degree, then can be influential to the stability that keeps, if hardness surpasses 70 degree, then the stress that bulb is applied can become greatly, causes the bulb breakage easily.In addition, the material of main part 2 is not limited to silicon rubber, also can be suitable for other synthetic resin etc., importantly has the flexible elastomer of regulation and gets final product.And then, a plurality of projection 2d ... be not limited to the rib shape, also can be point-like, be not limited to shape and configuration etc.
On the second inside diameter 2b, be provided with power supply terminal 3.Power supply terminal 3 is by the brass manufacturing, is roughly cylindric and forms pin (pin) shape of the interconnecting part 3a with hollow form, and power supply terminal 3 is shaped and combines with main part 2 by embedding.The length L 1 of power supply terminal 3 is about 10.0mm, and outer diameter D 1 is φ 2.35mm, and the inner diameter d 3 of the root of interconnecting part 3a is φ 1.72mm, and the inner diameter d 4 of leading section is φ 0.9mm.And, the openend of the root side of interconnecting part 3a is to make the internal diameter to the guide portion 3b of the insertion channeling conduct of the electrode cable of following discharge lamp main body enlarge and form, and the openend size d2 of the second inside diameter 2b of the size of the openend of the root side of this interconnecting part 3a and main part 2 is roughly the same.And, be formed with the anti-delinking part 3c that the external diameter evagination is enlarged at pars intermedia.Described guide portion 3b also has the function as the anti-delinking part concurrently.In addition, main part 2 can come combination by power supply terminal 3 is pressed in the main part 2 with combining also of power supply terminal 3.The shape preferably drum shape of power supply terminal 3 also can be polygon columns such as four limits, hexagon, and then, also can be the form that section is C word shape.And power supply terminal 3 is not limited to the brass manufacturing, also can be suitable for the material that phosphor bronze etc. has electric conductivity.
Cold-cathode discharge lamp main body 10 shown in Figure 3 possesses glass bulb 11 and electrode cable 12.Glass bulb 11 is formed by pyrex, soda-lime glass (soda glass) etc.When this cold-cathode discharge lamp main body 10 during, prepare kind several glass bulb 11 in φ 1.5mm～φ 5.0mm scope of external diameter, and separately use according to the specification of liquid crystal panel as the light source of (backlight) backlight of liquid crystal panel.And, prepare the also glass bulb about 150mm～1300mm of length, its size is tended to thin footpathization, rectangularization.Electrode cable 12 its external diameters are φ 0.6mm and derive from the both ends of glass bulb 11 that electrode cable 12 is to be made of containment member 12a and wire element 12b.Containment member 12a engages by welding with wire element 12b.Containment member 12a can use the conductive material of kovar teleoseal (Kovar), molybdenum (molybdenum), tungsten (tungsten) etc.For wire element 12b, use dilval around by dumet wire (Dumet wire) that copper coated.
Secondly, discharge lamp 20 shown in Figure 4 is intercalation power supply components 1 and constituting in cold-cathode discharge lamp main body 10.In the present embodiment, the external diameter that has used glass bulb 11 is φ 2.4mm, the wall thickness cold-cathode discharge lamp main body 10 as 0.3mm as φ 3.0mm, internal diameter.The two ends of glass bulb 11 are sealed, thereby are formed with confined space in inside, and enclosing in this confined space has argon (argon), hernia (xenon), neon inert gas and mercury vapour (mercuryvapor) such as (neon).And, on the inner surface of glass bulb 11, be formed with fluorescent film 13.Fluorescent film 13 applicable halogen-phosphate fluorophor or rare earth metal oxide phosphor etc.Electrode 14 is the cup-shaped with the external diameter in footpath within glass bulb of being slightly smaller than 11, and is formed by nickel (nickel), molybdenum, niobium materials such as (niobium).Pair of electrodes 14 is encapsulated in the both ends of glass bulb 11, and this pair of electrodes 14 be make cup-shaped peristome 14a toward each other to and dispose.And, in the bottom of electrode 14, engaged containment member 12a by laser beam (laser beam) welding etc.The electrode unit that is constituted by electrode 14 and electrode cable 12, with before glass bulb 11 engages, first on containment member 12a solder glass bead (bead glass).Then, when electrode unit is engaged in glass bulb 11, with the end fusion of bead and glass bulb 11 and seal.
End in the glass bulb 11 of the discharge lamp main body 10 that so constitutes power supply component 1 to insert mouthful 2c from it by the mode intercalation that electrode cable 12 coats.At this moment, the insertion mouth 2c of main part 2, particularly the void size t on the surface of the first inside diameter 2a and glass bulb 11 is about 0.35mm.If consider that simultaneously comparatively ideal is that described void size t is about 0.1mm～0.5mm with the clamp position of power supply component 1 intercalation to 32 of the socket box 31 of the operation of glass bulb 11 and following power supply component 1 and socket covers.And because the wall thickness T of main part 2 is about 1.0mm, described void size t is about 0.35mm, so its ratio t/T is 0.35.Present inventors have carried out comprehensive study to the clamp position or the absorption of vibrations state of glass bulb 11 etc. of power supply component 1 on lamp socket 30, and the result obtains following opinion: the ratio t/T preferred 0.1～0.5 of described wall thickness T and void size t.
Then, behind this power supply component 1 of intercalation, utilize stamping machine (punch) to come the front of power supply terminal 3 is carried out ca(u)lk, thereby form the ca(u)lk 3d of portion, with power supply terminal 3 be electrically connected with electrode cable 12, mechanical connection and constitute discharge lamp 20.At this moment, the end that glass bulb 11 is preferably guaranteed in the position of the 3d of ca(u)lk portion promptly, guarantees to be the length dimension L2 more than or equal to 4mm apart from the sealing of electrode cable 12.By the length dimension of so guaranteeing to stipulate, for example in punch steps or number of assembling steps, when electrode cable 12 being applied with bending stress via power supply terminal 3, electrode cable 12 is bent easily, thereby can alleviate the stress that sealing bears, can prevent the breakage of glass bulb 11.In addition, the ca(u)lk that utilizes stamping machine to carry out also can carry out at a plurality of positions, and power supply terminal 3 can be undertaken by welding with being connected also of electrode cable 12.In these connected, comparatively ideal was the hot strength of possessing more than or equal to 100N.Means such as above ca(u)lk 3d that is used for connecting this power supply terminal 3 and electrode cable 12 or welding, be to make power supply component 1 and discharge lamp main body 10 integrated with carrying out mechanical connection when discharge lamp main body 10 is electrically connected power supply component 1, these means play the function that connects means as electricity, mechanical dual-purpose.
Under the intercalation state of power supply component 1, the intercalation in the main part 2 of power supply component 1 has the part of glass bulb 11, more is positioned at the end side of glass bulb 11 than the leading section of electrode 14.And, the guide portion 3b of the end of glass bulb 11 and power supply terminal 3 separates given size G1 on direction of principal axis, and then the interconnecting part 3a of power supply terminal 3 and electrode cable 12 are formed with given size space G2, thereby form the gap between power supply terminal 3 and electrode cable 12.
And then, the G1 that separates of the given size of the guide portion 3b of the end of described glass bulb 11 and power supply terminal 3 also can be as shown in Figure 5, under the close state of the guide portion 3b of end that makes glass bulb 11 and power supply terminal 3, make to separate given size G1 each other in the form of a ring.
As mentioned above, according to present embodiment, (1) therefore can increase the conductive area of electrode cable 12 by power supply terminal 3 in fact, thereby can stably power owing to power supply terminal 3 jacketed electrode leads 12.(2) because power supply component 1 is integrated with main part 2 and power supply terminal 3, therefore can be used as single component and handle, thereby make assembling or part management become easy.(3) on socket, install or during assembling discharge lamp 20 or during transportation discharge lamp 20 etc., even power supply terminal 3 is applied with stress, because main part 2 formed by having the regulation hardness elastomer, thus also can abirritation in the mechanical load of electrode cable 12.And the end of glass bulb 11 and power supply terminal 3 have separated given size G1, and therefore the stress that power supply terminal 3 is applied also can not affact the end of glass bulb 11.And then, again owing between power supply terminal 3 and electrode cable 12, being formed with the gap, so further relax the mechanical load that directly electrode cable 12 is applied.Therefore, can prevent the breakage of glass bulb 11.(4) when power supply terminal 3 embeddings are formed in main part 2, can make easily, and main part 2 becomes firm with combining of power supply terminal 3.(5) because be formed with a plurality of projection 2d in the inboard of the insertion mouth 2c of main part 2 ..., therefore can be with the center of glass bulb 11 intercalations to the inside diameter 2a of main part 2.(6) main part 2 owing to the silicon rubber manufacturing has thermal conductivity, so near the heat the electrode 14 can be distributed, thereby can suppress the deterioration of sealing.(7) owing in power supply terminal 3, be formed with guide portion 3b, therefore play the effect that electrode cable 12 is inserted easily.(8) since the position assurance of the 3d of ca(u)lk portion of power supply terminal 3 be length dimension L2 apart from the end of glass bulb 11 more than or equal to 4mm, therefore electrode cable 12 bends easily, the stress that sealing bears can be alleviated, thereby the breakage of glass bulb 11 can be prevented.
Secondly, with reference to Fig. 6 to Figure 13, the embodiment of discharge lamp unit of the present invention is described.Discharge lamp unit is to be made of discharge lamp and lamp socket.At first, Fig. 6 is the exploded perspective view of indication lamp socket, Fig. 7 is the stereogram at the back side of expression socket cover, Fig. 8 is the stereogram of indication lamp socket, Fig. 9 to Figure 11 is the stereogram of the number of assembling steps of expression discharge lamp unit, Figure 12 is the profile of expression discharge lamp unit, and Figure 13 is the profile of expression socket box.
Lamp socket 30 shown in Figure 6 is to be made of socket box 31 and the socket cover 32 that is fastened on this socket box 31.Socket box 31 has socket box main body 33 and is provided in electric connection terminal 34 in this socket box main body 33.Socket box main body 33 is by polybutylene terephthalate (Polybutylene terephthalate, PBT) resin or acrylonitrile-styrene-butadiene (Acrylonitrile Butadiene Styrene, ABS) formation such as resin, and be roughly rectangular shape.At the upper surface of socket box main body 33, be formed with the bearing recess 33a of semicircle tubular of the main part 2 that is used for the described power supply component 1 of mounting and the rectangular-shaped electric connection terminal that is connected with this bearing recess 33a recess 33b is set.In addition, on the front end opening of bearing recess 33a, be formed with the rib 33c that makes semicircle tubular undergauge towards the inboard.At electric connection terminal the both sides of recess 33b are set, are formed with electric connection terminal 34 the patchhole 33d of usefulness is installed.And then, at four jiaos of box main body 33, be formed with fastening hole 33e for the fastening pawl insertion of following socket cover 32.And, be formed with towards the below from the two side of socket box main body 33 and fasten pawl 33f.
The assembling of aforesaid lamp socket 30 at first is that electric connection terminal 34 is installed on socket box main body 33.Particularly, in the patchhole 33d of socket box main body 33, insert the foundation leg 34b of electric connection terminal 34 and installing.Secondly, the fastening pawl 32f of socket cover 32 is inserted among the fastening hole 33e that forms on four jiaos of socket box main body 33.Come assembling lamp socket 30 (with reference to Fig. 8) by above step.
Secondly, with reference to Fig. 9 to Figure 11, the assembling installation steps of discharge lamp unit 40 are described.Discharge lamp unit 40 is to be made of discharge lamp 20 and lamp socket 30, for example is installed on the substrate or basket 50 of back lighting device of liquid crystal panel.On substrate or basket 50, be formed with and the corresponding installing hole 51 of the installation number of discharge lamp unit 40, but for convenience of description, represented on basket 50, to be formed with three installing holes 51 herein.Discharge lamp unit 40 is installed in the described installing hole 51.In Fig. 9, represent successively in the mode of stacked basket 50 and socket box 31, discharge lamp 20 and socket cover 32.At first, when being installed to socket box 31 on the basket 50, the fastening pawl 33f of socket box 31 is inserted to fasten to the mode of installing hole 51.So elasticity fastens the bore edges (with reference to Figure 10 and Figure 12) to the installing hole 51 at basket 50 back sides via installing hole 51 to fasten pawl 33f.
Secondly, as shown in figure 10, with discharge lamp 20 mountings on socket box 31.Particularly, the main part 2 of power supply component 1 is given mounting in chimeric mode to the bearing recess 33a of socket box 31, and with power supply terminal 3 mountings in the connection recess 34c of electric connection terminal 34.Then, as shown in figure 11, on socket box 31, fasten socket cover 32 successively.This fastening is to carry out in the following way: the fastening pawl 32f of socket cover 32 is inserted among the fastening hole 33e that forms on four jiaos of socket box main body 33, and then advances and insert till the installing hole 51 of basket 50.Therefore, with the fastening pawl 33f of described socket box 31 similarly, elasticity fastens to the bore edges (with reference to Figure 12) of the installing hole 51 at basket 50 back sides via installing hole 51 to fasten pawl 32f.Therefore, these a series of assembling installation steps, can be promptly all to carry out movably from a direction from the mode of the stacked part of above-below direction with respect to basket 50, thereby can alleviate the mechanical load that discharge lamp 20 is born, and can realize the simplification of operation, thereby help assembling the situation of the automation of installation steps.
Under described state, the fastening pawl 32f of socket cover 32 connects the installing hole 51 of the fastening hole 33e of socket box main body 33 and basket 50 and fastens, and therefore socket cover 32 is fastened to socket box 31, and socket cover 32 itself also fastens to basket 50.In other words, socket cover 32 includes socket box 31 and discharge lamp 20 interior and fasten to basket 50, at this moment, because socket box 31 himself also fastens to basket 50, therefore becomes dual the fastening to basket 50.
Add Figure 12, on one side with reference to describing on one side.When described fastening, the main part 2 of power supply component 1 is pressed among the attachment recess 32a of socket cover 32, Yi Bian be accompanied by strain slightly, Yi Bian be clamped between socket box 31 and the socket cover 32.At this moment, owing between main part 2 and glass bulb 11, be formed with the space, so reduce the space equably, thereby can give clamping and central shaft can not produce skew by pushing of attachment recess 32a.On the other hand, the power supply terminal 3 of power supply component 1 is pressed into pushing among the recess 32b of socket cover 32, towards the connection recess 34c of electric connection terminal 34 elasticity energized on one side, be subjected to clamping on one side.At this moment, power supply terminal 3 can with respect to the central shaft of glass bulb 11 and the mode that is offset bend, connecting recess 34c and pushing between the recess 32b, recover stress by elasticity and guarantee the suitable pressure that contacts, thereby be configured with the higher state of reliability that is electrically connected with pressing force.In addition, even there is scale error in hypothesis power supply component 1 grade, also can come absorption errors by described bending.In addition, when fastening this socket cover 32, size relationship is as follows: initial, the recess 32b that pushes of socket cover 32 contacts with power supply terminal 3, and secondly, the attachment recess 32a of socket cover 32 contacts with the main part 2 that is made of elastomer of power supply component 1.
Therefore, in the fastening process of the socket cover 32 of reality, at first, power supply terminal 3 bends a little to the direction of the connection recess 34c of electric connection terminal 34, to improve and the contact pressure that is connected recess 34c.Then, main part 2 is pressed into the attachment recess 32a of socket cover 32 and strain, and power supply terminal 3 and then be pressed into and push recess 32b, thereby improves and the contact pressure that is connected recess 34c.Therefore, power supply terminal 3 is connected with electric connection terminal 34 reliably with suitable contact pressure, and discharge lamp 20 is securely held on the lamp socket 30.
Secondly, as shown in figure 12, the power supply component 1 of discharge lamp 20 is clamped on the lamp socket 30.The main part 2 of power supply component 1 remains between the attachment recess 32a of the bearing recess 33a of socket box main body 33 and socket cover 32.At this moment, main part 2 has been limited axial moving under the effect of rib 32c and rib 33c.And the power supply terminal 3 of power supply component 1 remains on the connection recess 34c of electric connection terminal 34 and pushing between the recess 32b of socket cover 32.At this moment, as shown in figure 13, the pedestal 34a of electric connection terminal 34 can be in above-below direction strain ground be provided with recess 33b by the electric connection terminal of socket box main body 33 and separates and be provided with, and therefore can suitably guarantee the pressure that contacts with power supply terminal 3.
As mentioned above, according to present embodiment, except the effect of the embodiment of described power supply component for lamp and discharge lamp, also play following effect.(1) operation that discharge lamp 20 is installed in the lamp socket 30 can utilize the action of next direction to carry out, thereby can alleviate the mechanical load that discharge lamp 20 is born, and can realize the simplification of operation, thereby can realize assemblingization automatically by using automations such as mounter people, can realize laborsavingization of number of assembling steps.(2) because the impact that applies when being installed to discharge lamp 20 in the lamp socket 30 is powered the main part 2 of member 1 absorbs, therefore can prevent the breakage of glass bulb 11.When (3) being installed to discharge lamp 20 in the lamp socket 30, power supply terminal 3 can bend with respect to glass bulb 11, thereby can guarantee the suitable pressure that contacts of power supply terminal 3 and electric connection terminal 34, can be configured with the higher state of reliability of electrical connection.And, owing between main part 2 and glass bulb 11, be formed with the space, so reduce the space equably, thereby can carry out the higher installation of positional precision and central shaft can not produce skew by pushing of attachment recess 32a.(4) impact that applies owing to transportation or when using discharge lamp unit 40 etc., the main part 2 that vibration is powered member 1 absorb and obtain mitigation, the fault that therefore can prevent the breakage of glass bulb 11 and not light a lamp etc., and can relax impact, vibrate influence, thereby can stably power power supply component 1.(5) under the effect of lighting a lamp of discharge lamp 20, glass bulb 11 can produce footpath directions, axial thermal expansions, but can absorb thermal expansion by elastomeric main part 2, thereby can alleviate the distortion etc. of glass bulb 11.
(6) because glass bulb 11 separates given size G1 with power supply terminal 3, so the vibration of glass bulb 11 or thermal expansion obtain relaxing to the influence of power supply terminal 3, and complement each other with the absorption of main part 2, thereby can more stably power.(7) because power supply component 1 has been limited axial moving by the rib 32c of lamp socket 30 and rib 33c, therefore can on assigned position, dispose discharge lamp 20.(8) be provided with owing to electric connection terminal 34 can be separated by socket box main body 33 in above-below direction strain ground, therefore can suitably guaranteeing the pressure that contacts with power supply terminal 3.(9) owing to electric connection terminal 34 is to bend to L word shape simply from the both sides that connect recess 34c to form, therefore can simplified construction.(10) when fastening socket cover 32, size relationship is as follows, promptly, at first, the recess 32b that pushes of socket cover 32 contacts with power supply terminal 3, then the attachment recess 32a of socket cover 32 contacts with the main part 2 that is made of elastomer of power supply component 1, so power supply terminal 3 is connected with electric connection terminal 34 reliably with suitable contact pressure, and discharge lamp 20 is securely held on the lamp socket 30.
(11) owing between the insertion mouth 2c of main part 2 and glass bulb 11, be formed with the space, therefore the main part 2 of power supply component 1 is pressed in the socket cover 32, be accompanied by strain slightly on one side, on one side under the flexible effect in the lump of main part 2 self and be clamped between socket box 31 and the socket cover 32, at this on the one hand, also can keep discharge lamp 20 reliably by lamp socket 30.(12) by the buckling structure of lamp socket 30, described fastening becomes firmly, and, can under the state that socket cover 32 is installed in the basket 50, only dismantle socket cover 32, thereby play the effect of easy replacing discharge lamp 20 grades.(13) main part 2 owing to power supply component 1 is by the silicon rubber manufacturing and has thermal conductivity, therefore near the heat the electrode 14 can be distributed effectively.That is, near the heat the electrode 14 conducts to the bigger lamp socket of surface area 30 via glass bulb 11, main part 2 and is distributed.In addition, near the heat the electrode 14 conducts to electric connection terminal 34, lamp socket 30 from electrode cable 12, power supply terminal 3, and heat is distributed.
Secondly, with reference to Figure 14 to Figure 19, second embodiment of power supply component for lamp of the present invention and discharge lamp is described.Figure 14 is the stereogram of expression power supply terminal, Figure 15 (a), Figure 15 (b) are the front view and the profile of described power supply terminal, Figure 16 (a), Figure 16 (b) have changed the angles of 90 degree with described Figure 15 (a), Figure 15 (b) and front view and the profile represented, Figure 17 is the right side view of described Figure 15 (a), Figure 15 (b), Figure 18 is the profile of expression power supply component, and Figure 19 is the profile of expression discharge lamp.In addition, for the identical or suitable part of described first embodiment, marked same-sign and omitted repeat specification.
In the present embodiment, as shown in figure 19, with power supply component 1 intercalation behind the end of the glass bulb 11 of discharge lamp main body 10, utilize stamping machine to come ca(u)lk is carried out at a plurality of positions of power supply terminal 3, form the ca(u)lk 3d1 of portion, 3d2, thus with power supply terminal 3 be electrically connected with electrode cable 12, mechanical connection.Certainly, the punch steps of utilizing stamping machine to form the ca(u)lk 3d1 of portion, 3d2 is that power supply component 1 intercalation is being exported to the step of carrying out behind the interconnecting part 3a of power supply terminal 3 in glass bulb 11 and with electrode cable 12, but for convenience of description, omitted electrode cable 12 among Figure 14 to Figure 18.
At first, to shown in Figure 17, power supply terminal 3 is cylindric and has the pin shape of the interconnecting part 3a of hollow form as Figure 14.Utilize stamping machine to come two positions of for example leading section of this power supply terminal 3 are carried out ca(u)lk and formed the 3d1 of ca(u)lk portion, 3d2, and utilize stamping machine to push power supply terminal 3 and its pressure is collapsed from foreign side, form outstanding protuberance 3e1,3e2 to the interior side of interconnecting part 3a.Then, will be crimped to electrode cable 12 with the inwall of this protuberance 3e1,3e2 subtend, thus with power supply terminal 3 be electrically connected with electrode cable 12, mechanical connection.
Herein, 3d1 of ca(u)lk portion and the 3d2 of ca(u)lk portion are formed at the position of staggering mutually on the direction of principal axis of power supply terminal 3 and Zhou Fangxiang, that is, 3d1 of ca(u)lk portion and the 3d2 of ca(u)lk portion are formed at the position that is offset on direction of principal axis and Zhou Fangxiang.Particularly, on the direction of principal axis skew 1 ca(u)lk portion size about, on Zhou Fangxiang the skew roughly 90 the degree and form.Therefore, each protuberance 3e1,3e2 be skew and interior side-prominent to interconnecting part 3a each other also, and crimping electrode cable 12.
As shown in figure 18, in described power supply terminal 3, be combined with the main part 2 of silicon rubber system by embedding shaping, thereby constitute power supply component 1.Then, as shown in figure 19,, utilize stamping machine to come ca(u)lk is carried out at two positions of the leading section of power supply terminal 3, thereby form the ca(u)lk 3d1 of portion, 3d2 the end of this power supply component 1 intercalation to the glass bulb 11 of discharge lamp main body 10.In addition, at this moment, the position assurance of the 3d2 of ca(u)lk portion is apart from the end of glass bulb 11, that is, be length dimension L2 more than or equal to 4mm apart from the sealing of electrode cable 12.
Secondly, the summary to the punch steps that forms the 3d1 of this ca(u)lk portion, 3d2 describes.As the ca(u)lk device, prepare to separate in the plane the angles of 90 degree roughly and dispose the equipment of two statures (head) with stamping machine.At first, wait by fixator (holder) and vertically to support the glass bulb 11 that intercalation has power supply component 1, power supply terminal 3 is inserted in the guide hole (guide hole) of guide block (guide block).Under this state, utilize two stamping machines to carry out punching press, these two stamping machines are on the Zhou Fangxiang of power supply terminal 3, promptly separate the angle of 90 degree in the plane, and on the direction of principal axis of power supply terminal 3, promptly on above-below direction, separate the interval of a ca(u)lk portion size and be provided with.Particularly, when making two stamping machines when power supply terminal 3 sides are advanced, the leading section of each stamping machine enters in the guide hole and the sidewall of the power supply terminal 3 that crushes forms outstanding protuberance 3e1,3e2 to the interior side of interconnecting part 3a.
As mentioned above, according to present embodiment, except the effect of first embodiment, because being the 3d1 of ca(u)lk portion, the 3d2 by a plurality of positions, power supply terminal 3 and electrode cable 12 be connected, therefore can connect reliably, and can guarantee contact area, thereby can reduce the conducting failure of power supply terminal 3 and electrode cable 12.And, because the 3d1 of ca(u)lk portion, 3d2 are formed at the position of staggering on the direction of principal axis of power supply terminal 3 and Zhou Fangxiang, and be formed at the position of mutual skew, therefore can alleviate electrode cable 12 broken strings that the pressing force that causes because of ca(u)lk causes, the situation of the perisporium of cutting off power supply terminal 3 is alleviated.And then, because the 3d1 of ca(u)lk portion, 3d2 form protuberance 3e1,3e2 from different directions, therefore the direction difference of this protuberance 3e1,3e2 pressing force that electrode cable 12 is applied, its result, the overbending direction difference of electrode cable 12, can guarantee contacting of protuberance 3e1,3e2 and electrode cable 12 reliably, thereby can stably power.And, as the equipment of ca(u)lk device, can make the head of stamping machine separate roughly the angles of 90 degree in the plane and dispose, thereby can realize the save spaceization that disposes.
In addition, in said embodiment, be to about the size of a ca(u)lk portion of skew on the direction of principal axis of power supply terminal 3 and skew on the Zhou Fangxiang roughly 90 degree and form be illustrated under the situation of the ca(u)lk 3d1 of portion, 3d2, but the amount of staggering of this direction of principal axis and Zhou Fangxiang is not particularly limited, and can suitably set according to design.And the configuration of the equipment of ca(u)lk device also is not limited to the situation that makes two statures separate roughly the angles of 90 degree in the plane as mentioned above and dispose.
Secondly, the embodiment to light-emitting device of the present invention describes.Though omitted diagram, the discharge lamp unit 40 of described embodiment is installed on the apparatus main body, can constitute as light-emitting device.Herein, the notion of light-emitting device comprises display equipment or the so-called ligthing paraphernalia that illuminates the space.For example, applicable to the various display equipments of the back lighting device of liquid crystal panel etc., and be applicable in doors or the ligthing paraphernalia that uses outside the room.In addition, under the situation of back lighting device, directly descend mode, sidelight (sidelight) mode etc. all applicable.According to described light-emitting device, can provide a kind of light-emitting device of effect of the discharge lamp unit 40 that plays described embodiment.
In addition, lamp socket is not limited to the form that illustrates in the described embodiment, applicable various types of lamp sockets.For example, the also lamp socket of applicable following formation: with respect to socket box and axle journal is supporting socket cover and mode that socket cover is rotated comes the upper surface of socket box is opened and closed, and the lamp socket that opens and closes between to a pair of female terminal in this switching of interlock.
The present invention is not limited to the formation of described each embodiment, can carry out various distortion in the scope that does not break away from the invention aim.
Claims (15)
1, a kind of power supply component for lamp is characterized in that comprising:
By the main part that elastomer constitutes, being formed with can be for the insertion mouth of lamp with the end intercalation of bulb; And
Power supply terminal remaining on the main part towards the outstanding mode of the opposition side of the insertion mouth of described main part, and has and inserts a mouthful interconnecting part that is communicated with.
2, power supply component for lamp according to claim 1 is characterized in that,
In the inboard of the insertion mouth of main part, devices spaced apart and be formed with a plurality of projections.
3, power supply component for lamp according to claim 1 and 2 is characterized in that,
Power supply terminal embeds and forms on the main part.
4, a kind of discharge lamp is characterized in that comprising:
The discharge lamp main body has the glass bulb of the pair of electrodes of encapsulating; And
Power supply component, constitute by main part and power supply terminal, wherein, described main part is to be made of elastomer, and be formed with can be for the insertion mouth of the end intercalation of glass bulb, and described power supply terminal is to remain on the main part towards the outstanding mode of the direction of principal axis of glass bulb, and have and an insertion mouthful interconnecting part that is communicated with, and intercalation has the end of glass bulb in the insertion mouth of main part, is connected with the electrode cable that exports to from the end of glass bulb in the interconnecting part on power supply terminal.
5, discharge lamp according to claim 4 is characterized in that,
Described power supply terminal and being connected of electrode cable are to form ca(u)lk portion and carry out by power supply terminal being carried out punching press.
6, discharge lamp according to claim 5 is characterized in that,
The position of described ca(u)lk portion is more than or equal to 4mm apart from the end of glass bulb.
7, discharge lamp according to claim 5 is characterized in that,
Described ca(u)lk portion is formed on two positions at least, and these ca(u)lk portions make the position of the direction of principal axis of power supply terminal and Zhou Fangxiang stagger and form.
8, discharge lamp according to claim 4 is characterized in that,
In the inboard of the insertion mouth of described main part, devices spaced apart and be formed with a plurality of projections, and between the insertion mouth of glass bulb and main part, be formed with the space.
9, discharge lamp according to claim 8 is characterized in that,
The void size t that forms between the insertion mouth inner surface of glass bulb surface and described main part is 0.1mm～0.5mm.
10, discharge lamp according to claim 9 is characterized in that,
The wall thickness T of the part of the end intercalation of the confession glass bulb of described main part and the ratio t/T of described void size t are 0.1～0.5.
11, according to each described discharge lamp in the claim 4 to 10, it is characterized in that,
The material of described main part is to be the silicon rubber manufacturing of 50 degree～70 degree by the hardness of stipulating in the JIS specification.
12, according to each described discharge lamp in the claim 4 to 10, it is characterized in that,
The part of the end intercalation of the confession glass bulb in the described main part, than pair of electrodes toward each other to the front position of a side more be positioned at the end of glass bulb.
13, according to each described discharge lamp in the claim 4 to 10, it is characterized in that,
Glass bulb end and power supply terminal separate given size.
14, a kind of discharge lamp unit is characterized in that comprising:
According to each described discharge lamp in the claim 4 to 10; And
Socket is used for supporting the power supply component of described discharge lamp, and has the power supply terminal connection terminals with power supply component.
15, a kind of light-emitting device is characterized in that comprising;
Apparatus main body; And
Be installed in the discharge lamp unit according to claim 14 on the described apparatus main body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007335749 | 2007-12-27 | ||
| JP2007335749 | 2007-12-27 | ||
| JP2008311659 | 2008-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101469849A true CN101469849A (en) | 2009-07-01 |
Family
ID=40827566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101889402A Pending CN101469849A (en) | 2007-12-27 | 2008-12-24 | Power supply component for lamp, discharge lamp, discharge lamp unit and light-emitting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009176722A (en) |
| CN (1) | CN101469849A (en) |
| TW (1) | TW200929745A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606511A (en) * | 2013-11-25 | 2014-02-26 | 辽宁爱华照明科技股份有限公司 | Electrode assembly of high pressure sodium lamp |
| CN104033855A (en) * | 2014-05-22 | 2014-09-10 | 常州市武进区半导体照明应用技术研究院 | Combined type lighting device and bearing unit for combined type lighting device |
| CN112752372A (en) * | 2019-10-29 | 2021-05-04 | 松下知识产权经营株式会社 | Adapter, lighting device, and lighting fixture |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5562006B2 (en) * | 2009-11-11 | 2014-07-30 | ユーテック株式会社 | Lighting unit |
| JP2014182893A (en) * | 2013-03-18 | 2014-09-29 | Sharp Corp | Luminaire |
-
2008
- 2008-12-06 JP JP2008311659A patent/JP2009176722A/en active Pending
- 2008-12-24 CN CNA2008101889402A patent/CN101469849A/en active Pending
- 2008-12-24 TW TW97150523A patent/TW200929745A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606511A (en) * | 2013-11-25 | 2014-02-26 | 辽宁爱华照明科技股份有限公司 | Electrode assembly of high pressure sodium lamp |
| CN104033855A (en) * | 2014-05-22 | 2014-09-10 | 常州市武进区半导体照明应用技术研究院 | Combined type lighting device and bearing unit for combined type lighting device |
| CN112752372A (en) * | 2019-10-29 | 2021-05-04 | 松下知识产权经营株式会社 | Adapter, lighting device, and lighting fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009176722A (en) | 2009-08-06 |
| TW200929745A (en) | 2009-07-01 |
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Open date: 20090701 |