CN204403886U - A kind of LED module and lighting device - Google Patents

A kind of LED module and lighting device Download PDF

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Publication number
CN204403886U
CN204403886U CN201520143091.4U CN201520143091U CN204403886U CN 204403886 U CN204403886 U CN 204403886U CN 201520143091 U CN201520143091 U CN 201520143091U CN 204403886 U CN204403886 U CN 204403886U
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CN
China
Prior art keywords
base
lens
lens subassembly
led module
hierarchic
Prior art date
Application number
CN201520143091.4U
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Chinese (zh)
Inventor
陈凯
黄建明
Original Assignee
杭州华普永明光电股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201520143091.4U priority Critical patent/CN204403886U/en
Application granted granted Critical
Publication of CN204403886U publication Critical patent/CN204403886U/en
Priority claimed from US15/557,593 external-priority patent/US10260715B2/en

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Abstract

The utility model provides a kind of LED module, comprises base, lens subassembly and light source assembly, and light source assembly is arranged on base side, and lens subassembly and base are connected to form an airtight accommodation space, and light source assembly is positioned at this accommodation space; The cross section of lens subassembly and base is all rounded, and between lens subassembly with base, rotation is threaded; The link position place of lens subassembly and base is also provided with sealing ring and fluid sealant.Adopt between lens subassembly and base in the LED module that the utility model provides and be threaded, make that the stress surface between lens subassembly and base increases, uniform force, thus make to be connected firmly between lens subassembly and base, good airproof performance, and between base and lens subassembly installing/dismounting is more for convenience; In addition, lens subassembly and base junction are respectively arranged with sealing ring and fluid sealant, thus make to have good sealing effectiveness between lens subassembly and base.

Description

A kind of LED module and lighting device

Technical field

The utility model relates to lighting device design field, particularly relates to a kind of LED module and lighting device.

Background technology

LED lamp has the advantages such as energy-conservation, the life-span is long, applicability good, the response time is short, environmental protection, is the direction of light trade development.LED module is a requisite part in LED lamp, usual LED module is made up of lens subassembly, light source assembly and radiator, light source assembly is arranged on a heat sink, and lens subassembly lid is established on a heat sink, and light source assembly is placed between lens subassembly and radiator.

In prior art, lens subassembly uses the mode such as screw, buckle to be connected on radiator usually, this connected mode, install and comparatively bother, and easily occur loosening, it is not firm to connect, thus the sealing property had influence between lens subassembly and radiator, sealing effectiveness is poor; In addition, adopt the connected mode of screw, buckle between lens subassembly and radiator, for putting stressed connected mode, stress point is limited, and lifting surface area is less and uneven, make connect insecure, sealing effectiveness is poor.

Utility model content

In order to solve the problem, the utility model provides a kind of LED module, comprise base, lens subassembly and light source assembly, described light source assembly is arranged on the side of described base, the accommodation space that the formation one that is threaded between described lens subassembly with described base is airtight, described light source assembly is positioned at this accommodation space.

Preferably, described base and described lens subassembly junction are also provided with sealing ring.

Preferably, described base and described lens subassembly junction are also provided with fluid sealant.

Preferably, described lens subassembly and described base connection side are provided with annular groove.

Preferably, the end face of described base and described lens subassembly connection side is provided with annular protrusion wall, described light source assembly is positioned at this annular protrusion wall and encloses region; Described annular protrusion wall puts in described annular groove, and is threaded connection with described annular groove one madial wall outside described annular protrusion wall.

Preferably, another madial wall of described annular groove is provided with the first hierarchic structure, the madial wall of described annular protrusion wall is provided with the second hierarchic structure matched with described first hierarchic structure.

Preferably, the place that described base is connected with described lens subassembly is provided with sealing ring, and described sealing ring adopts step sealing ring, and described step sealing ring is pressed between described first hierarchic structure and the second hierarchic structure; Also fluid sealant is provided with between described first ladder and described second ladder.

Preferably, described lens subassembly is made up of lens and lens trim ring, and described lens are pressed on described base by described lens trim ring, and described lens trim ring is connected with described whorl of base.

Preferably, described lens are fixedly installed on described base, and are provided with locating dowel between described lens and described base.

Preferably, described lens subassembly is connected with described base to hold and is provided with the first dentalation in the same way, described base is provided with and described first the second dentalation in the same way of matching of dentalation in the same way, after described lens subassembly is connected with described whorl of base, described first in the same way dentalation with described second in the same way dentalation be meshed and lock.

Preferably, packing colloid is filled with in the confined space that described lens subassembly and described base are formed.

Preferably, the opposite side of described base is provided with some radiator structures.

Preferably, the exiting surface arranged outside of described lens subassembly has arcwall, and the madial wall of described arcwall is provided with reflector layer, and described lens subassembly is integrated injection moulding or combination assembly structure.

The utility model additionally provides a kind of lighting device, is at least provided with a LED module in this lighting device, and described LED module adopts LED module as above.

The utility model, owing to adopting above technical scheme, makes it compared with prior art, has following advantage and good effect:

1) the LED module that provides of the utility model, wherein the cross section of lens subassembly and base is all rounded, and employing is threaded between the two, this connected mode is relative to the connected mode adopting buckle, screw etc. in prior art, stress surface in the utility model between lens subassembly and base increases, and uniform force, thus make to be connected firmly between lens subassembly and base, good airproof performance, and easy installation and removal between lens subassembly and base;

2) the LED module that provides of the utility model, lens subassembly and base junction are respectively arranged with the first hierarchic structure and the second hierarchic structure, be provided with step sealing ring and fluid sealant between first hierarchic structure and the second hierarchic structure, thus make that there is between lens subassembly and base good sealing effectiveness;

3) the LED module that provides of the utility model is except the mode be threaded connection realizes being rotatably connected between lens with base, also by the first dentalation and the second engaging in the same way between dentalation in the same way, realize automatically locking between base and lens subassembly, thus the connection strengthened between lens subassembly and base, prevent from occurring between the two loosening;

4) base in the LED module that provides of the utility model, employing sheet fin combines the radiator portion as base with column fin, sheet fin plays the effect increasing area of dissipation, column fin plays the effect increasing overall structural strength, the utility model both ensure that radiating effect, in turn enhanced the intensity of base.

Accompanying drawing explanation

By reference to the accompanying drawings, by detailed description hereafter, above-mentioned and other feature and advantage of the present utility model more clearly can be understood, wherein:

Fig. 1 is the fractionation schematic diagram of the utility model embodiment one;

Fig. 2 is the sectional view of the utility model embodiment one;

Fig. 3 is the structural representation of the utility model embodiment one lens subassembly;

Fig. 4 is the structural representation of the utility model embodiment one base;

Fig. 5 is the fractionation schematic diagram of the utility model embodiment two;

Fig. 6 is the sectional view of the utility model embodiment three;

Fig. 7 is the broken away view of the utility model embodiment three;

Fig. 8 is the fractionation schematic diagram of the utility model embodiment four;

Fig. 9 is the sectional view of the utility model embodiment four.

Symbol description:

1-lens 101-annular groove 102-first screw thread

103-first hierarchic structure 104-first dentalation 2-base in the same way

201-annular protrusion wall 202-second screw thread 203-second hierarchic structure

204-pedestal 205--second dentalation 3-light source assembly in the same way

4-sealing ring 5-screw 6-cable-through hole sealing ring

7-water joint 8-lens trim ring 801-the 3rd screw thread.

Detailed description of the invention

See the accompanying drawing that the utility model embodiment is shown, hereafter in more detail the utility model will be described.But the utility model can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these embodiments, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may be exaggerated size and the relative size in layer and region.

Embodiment one

With reference to Fig. 1-2, the utility model provides a kind of LED module, comprises lens subassembly, base 2 and light source assembly 3, and lens subassembly is installed on the upper surface of base 2, and being threaded between the two and forming layer has an airtight accommodation space; Light source assembly 3 is positioned at this accommodation space, and light source assembly 3 can be made up of substrate and the some LED illuminator be arranged on substrate, and the specific constructive form of certain light source assembly 3 also can not adopt the versions such as COB as limit, is not restricted herein.

As shown in Figure 3, the cross section of lens subassembly is all rounded, can be also other shapes certainly, not be restricted herein.Set of lenses comprises complete lens 1, and lens 1 are in lid, and its one end open; Lens 1 can adopt integrated injection molding lens, also can adopt combination mounted lens, not be restricted herein; The madial wall of lens 1 is also provided with reflector layer, for improving light efficiency; Reflector layer can spray high reflectance ink, and Pasting high emissivity film, also the metallic film of electrodepositable high reflectance, is not restricted herein.Lens 1 opening part is provided with annular groove 101, a wherein madial wall of annular groove 101 is provided with the first screw thread 102, another madial wall of annular groove 101 is provided with the first hierarchic structure 103; First hierarchic structure 103 is step in the present embodiment, certainly also can be multistage ladder, is not restricted herein.

As shown in Figure 4, the cross section of base 2 is all rounded, can be also other shapes certainly, not be restricted herein.The upper surface of base 2 is provided with a ring shape concave wall 201, light source assembly 3 is placed in the region that annular protrusion wall 201 encloses, and light source assembly 3 is fixedly connected with base 2 upper surface, specifically connects by syndetons such as screws 5.The lateral wall of annular protrusion wall 201 is provided with the second screw thread 202 matched with the first screw thread 102, the madial wall of annular protrusion wall 201 is provided with the second hierarchic structure 203 matched with the first hierarchic structure 103; Lens 1 are connected with base 2 upper end, and annular protrusion wall 201 puts in annular groove 101, and lens 1 and base 2 rotate mutually, and the first screw thread 102 is connected with the second screw thread 202, and the first hierarchic structure 103 and the second hierarchic structure 203 match.Be connected by screw thread rotation between the utility model lens 1 with base 2, be convenient to the connection between lens 1 and lens 2 on the one hand, instrument of can exempting from realizes installing, dismantling; The cross section of lens 1 and base 2 is circular configuration on the other hand, and employing is threaded between the two, this connected mode is relative to the connected mode adopting buckle, screw etc. in prior art, stress surface between the utility model lens 1 and base 2 increases, and uniform force, make to be connected between lens 1 with base 2 more firm, good airproof performance.

In the present embodiment, between lens 1 and base 2, be also provided with sealing ring 4, for strengthening the sealing effectiveness between lens 1 and 2.Wherein, sealing ring 4 preferably adopts step sealing ring, the radial step edge of step sealing ring is pressed between the first hierarchic structure 103 and the second hierarchic structure 203, and the axial limit of step sealing ring is pressed between the madial wall of annular protrusion wall 201 and another madial wall of annular groove 101; In the present embodiment, between the first hierarchic structure 103 and second level hierarchic structure 203, be also provided with fluid sealant, for further strengthening the sealing effectiveness between lens 1 and base 2; Also packing colloid can be filled with, for improving light efficiency in the confined space formed between lens 1 and base 2.

In the present embodiment, the lower end of base 2 is provided with some fins, comprising having some sheet fins and some column fins, some sheet fins are arranged on centre position, and some column fins are arranged around some sheet fins.Wherein, sheet fin plays the effect increasing area of dissipation, and column fin plays the effect increasing overall structural strength; The utility model employing sheet fin combines the radiator portion as base 2 with column fin, relative to base of the prior art, the utility model both ensure that radiating effect, in turn enhanced the intensity of base.Certainly, the lower surface of base also can not be provided with fin, whole LED module is directly dispelled the heat by base 2, designs as the case may be, is not restricted herein.

In the present embodiment, the opposite side of base 2 is also provided with water joint 7, water joint 7 one end connects water-proof wire, and the other end connects light source assembly 3 through base 2, and is still provided with cable-through hole sealing ring 6 between water joint 7 and base 2, seals.Certain water-proof wire also can be arranged on LED module lateral approach to realize the energising of LED illuminator, is not restricted herein.

The utility model additionally provides a kind of lighting device, is provided with some LED modules in this lighting device, and this LED module adopts module described above, repeats no more herein.

Embodiment two

With reference to Fig. 5, the utility model provides a kind of LED module, comprise lens subassembly, base 2 and light source assembly 3, the cross section of base 2 and lens subassembly is all rounded, lens subassembly is installed on the upper surface of base 2, and being threaded between the two and forming layer has in an airtight accommodation space, and light source assembly 3 is positioned at this accommodation space, the lower end of base 2 is provided with some fins, for heat radiation.

In the present embodiment, lens subassembly is a light-distribution lens, its upper end is provided with protruding light distribution structure 104, and the utility model can be applied in the middle of street lamp, and also can be used for other needs, in the light fixture of luminous intensity distribution, not to be restricted herein; The protruding light distribution structure 104 of lens 1 is asymmetrical, can require to determine lens 1 installation direction in the circumferential according to direction of illumination; The utility model by arranging locating dowel on the side that lens 1 are relative with base 2, and is provided with locating hole on base seat 2 upper surface, and locating dowel and locating hole are connected, and realize the location of lens subassembly, make it meet the requirement of direction of illumination.In the present embodiment, all the other structures of LED module all can refer to the description in embodiment one, repeat no more herein.

The utility model additionally provides a kind of lighting device, is provided with some LED modules in this lighting device, and this LED module adopts module described above, repeats no more herein.

Embodiment three

With reference to Fig. 6-7, the utility model provides a kind of LED module and comprises lens subassembly, base 2 and light source assembly 3, the cross section of base 2 and lens subassembly is all rounded, lens subassembly is installed on the upper surface of base 2, being threaded between the two and forming layer has in an airtight accommodation space, and light source assembly 3 is positioned at this accommodation space, and the lower end of base 2 is provided with some fins, thus form a radiator, for heat radiation.

In the present embodiment, as shown in Figure 7, lens subassembly is made up of lens 1 and lens trim ring 8, and wherein lens trim ring 8 preferably adopts metal material, and the intensity had, prevents the damages such as crackle.Lens 1 are in lid, and its one end open, a circle of lens 1 opening is provided with annular groove 101, a madial wall of annular groove 101 is provided with the first hierarchic structure 103; First hierarchic structure 103 is step in the present embodiment, certainly also can be multistage ladder, is not restricted herein.

One circle of the upper surface of base 2 is provided with a ring shape concave wall 201, and the annular groove 101 that annular convexity 201 and lens 1 are arranged matches, and light source assembly 3 is placed in the region that annular protrusion wall 201 encloses; The madial wall of annular protrusion wall 201 is provided with the second level hierarchic structure 203 matched with the first hierarchic structure 103; Lens 1 put in annular groove 101 by ring shape concave wall 201 and realize connecting, and the first hierarchic structure 103 and second level hierarchic structure 203 also match; In the present embodiment, between the first hierarchic structure 103 and the second ladder result enough 203, be also provided with sealing ring 4, for strengthening the sealing effectiveness between lens 1 and 2, sealing ring 4 preferably adopts step sealing ring; Also fluid sealant is provided with, for further strengthening the sealing effectiveness between lens 1 and base 2 between first hierarchic structure 103 and second level hierarchic structure 203.

In the present embodiment, the madial wall one of lens trim ring 8 encloses and is provided with the 3rd screw thread 801, the lateral wall on base 2 on the downside of ring shape concave wall 201 is provided with the second screw thread 202 matched with the 3rd screw thread 801; Lens trim ring 8 is pressed on a circle of lens 1, and is connected on base 2 by the 3rd screw thread 801 and the second screw thread 202, thus further completes being fixedly connected with between lens 1 with base 2.

The utility model additionally provides a kind of lighting device, is provided with some LED modules in this lighting device, and this LED module adopts module described above, repeats no more herein.

Embodiment four

With reference to Fig. 8-9, the utility model provides a kind of LED module, comprise lens subassembly, base 2 and light source assembly 3, the cross section of base 2 and lens subassembly is all rounded, lens subassembly is installed on the upper surface of base 2, and being threaded between the two and forming layer has an airtight accommodation space, and light source assembly 3 is positioned at this accommodation space, the lower end of base 2 is provided with some fins, for heat radiation.

In the present embodiment, lens subassembly includes lens 1, and lens 1 are lid, its one end open; Lens 1 can adopt integrated injection molding lens, also can adopt combination mounted lens, not be restricted herein; The bottom one of the openend of lens 1 be provided with on enclosing first in the same way dentalation 104, first in the same way dentalation 104 be specially along lens 1 open bottom one circle arrange some towards consistent tooth mouth; The madial wall of lens 1 is provided with the first screw thread, the madial wall of lens 1 is also provided with reflector layer, for improving light efficiency.

The side that base 2 is connected with lens 1 is provided with the pedestal 204 of a projection, light source assembly 3 is installed on pedestal 204 by mode syndetons such as screws 5; Pedestal 204 sidewall one circle is provided with the second screw thread 202 matched with the first screw thread; The side that base 2 is connected with lens 1 position being positioned at the surrounding of pedestal 204 is provided with and first the second dentalation 205 in the same way of matching of dentalation 104 in the same way, and the first dentalation 104 and second dentalation 205 in the same way in the same way is towards the opposite.Lens 1 cover is set to the outside of pedestal 204, and realizes being rotationally connected of base 2 by the first screw thread and the second screw thread 204, when lens 1 rotate to the end, lens 1 bottom one circle on first in the same way dentalation 104 and second on base 2 upper surface in the same way dentalation 205 be meshed, realize automatically locking, the mode that the utility model is threaded connection realizes being rotationally connected between lens and base, and by first in the same way dentalation 104 engage between dentalation 205 in the same way with second, realize automatically locking between base 2 and lens 1, thus the connection strengthened between lens 1 and base 2, prevent from occurring between the two loosening, in addition, the utility model adopts screw thread to add the connected mode of dentalation, buckle is adopted between lens and base relative in prior art, the connected mode of screw etc., lens in the utility model are pressed on base and connect, stressed on the contact surface of lens and base, stress surface is large and even, sealing effectiveness is better.

In the present embodiment, between lens 1 and base 2, be also provided with sealing ring 4, for strengthening the sealing effectiveness between lens 1 and 2; Wherein, sealing ring 4 preferably adopts the sealing ring of stepped construction, has good sealing effectiveness.In the present embodiment, other structure divisions of LED module all can refer to the description in embodiment one, repeat no more herein.

The utility model additionally provides a kind of lighting device, is provided with some LED modules in this lighting device, and this LED module adopts module described above, repeats no more herein.

In sum, the utility model provides a kind of LED module, comprises base, lens subassembly and light source assembly, and light source assembly is arranged on base side, and lens subassembly and base are connected to form an airtight accommodation space, and light source assembly is positioned at this accommodation space; The cross section of lens subassembly and base is all rounded, and between lens subassembly with base, rotation is threaded; The link position place of lens subassembly and base is also provided with sealing ring and fluid sealant.Adopt between lens subassembly and base in the LED module that the utility model provides and be threaded, make that the stress surface between lens subassembly and base increases, uniform force, thus make to be connected firmly between lens subassembly and base, good airproof performance, and between base and lens subassembly installing/dismounting is more for convenience; In addition, lens subassembly and base junction are respectively arranged with sealing ring and fluid sealant, thus make to have good sealing effectiveness between lens subassembly and base.

Those skilled in the art should be understood that the utility model can realize with other concrete forms many and not depart from spirit or scope of the present utility model.Although described embodiment of the present utility model, the utility model should be understood and should not be restricted to these embodiments, within the utility model spirit and scope that those skilled in the art can define as appended claims, make change and amendment.

Claims (14)

1. a LED module, it is characterized in that, comprise base, lens subassembly and light source assembly, described light source assembly is arranged on the side of described base, the accommodation space that the formation one that is threaded between described lens subassembly with described base is airtight, described light source assembly is positioned at this accommodation space.
2. LED module according to claim 1, is characterized in that, described base and described lens subassembly junction are also provided with sealing ring.
3. LED module according to claim 1, is characterized in that, described base and described lens subassembly junction are also provided with fluid sealant.
4. LED module according to claim 1, is characterized in that, described lens subassembly and described base connection side are provided with annular groove.
5. LED module according to claim 4, is characterized in that, the end face of described base and described lens subassembly connection side is provided with annular protrusion wall, and described light source assembly is positioned at this annular protrusion wall and encloses region; Described annular protrusion wall puts in described annular groove, and is threaded connection with described annular groove one madial wall outside described annular protrusion wall.
6. LED module according to claim 5, is characterized in that, another madial wall of described annular groove is provided with the first hierarchic structure, the madial wall of described annular protrusion wall is provided with the second hierarchic structure matched with described first hierarchic structure.
7. LED module according to claim 6, it is characterized in that, the place that described base is connected with described lens subassembly is provided with sealing ring, and described sealing ring adopts step sealing ring, and described step sealing ring is pressed between described first hierarchic structure and the second hierarchic structure; Also fluid sealant is provided with between described first ladder and described second ladder.
8. LED module according to claim 1, is characterized in that, described lens subassembly is made up of lens and lens trim ring, and described lens are pressed on described base by described lens trim ring, and described lens trim ring is connected with described whorl of base.
9. LED module according to claim 8, is characterized in that, described lens are fixedly installed on described base, and is provided with locating dowel between described lens and described base.
10. LED module according to claim 1, it is characterized in that, described lens subassembly is connected with described base to hold and is provided with the first dentalation in the same way, described base is provided with and described first the second dentalation in the same way of matching of dentalation in the same way, after described lens subassembly is connected with described whorl of base, described first in the same way dentalation with described second in the same way dentalation be meshed and lock.
11. LED modules according to claim 1, is characterized in that, are filled with packing colloid in the confined space that described lens subassembly and described base are formed.
12. LED modules according to claim 1, is characterized in that, the opposite side of described base is provided with some radiator structures.
13. LED modules according to claim 1, is characterized in that, the exiting surface arranged outside of described lens subassembly has arcwall, and the madial wall of described arcwall is provided with reflector layer, and described lens subassembly is integrated injection moulding or combination assembly structure.
14. 1 kinds of lighting devices, is characterized in that, are at least provided with a LED module in this lighting device, and described LED module adopts the LED module in as above claim 1-13 described in any one.
CN201520143091.4U 2015-03-13 2015-03-13 A kind of LED module and lighting device CN204403886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520143091.4U CN204403886U (en) 2015-03-13 2015-03-13 A kind of LED module and lighting device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201520143091.4U CN204403886U (en) 2015-03-13 2015-03-13 A kind of LED module and lighting device
US15/557,593 US10260715B2 (en) 2015-03-13 2016-03-14 LED module and illumination device
PCT/CN2016/076308 WO2016146047A1 (en) 2015-03-13 2016-03-14 Led module and illumination device
JP2017542835A JP6521542B2 (en) 2015-03-13 2016-03-14 LED module and lighting device

Publications (1)

Publication Number Publication Date
CN204403886U true CN204403886U (en) 2015-06-17

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CN201520143091.4U CN204403886U (en) 2015-03-13 2015-03-13 A kind of LED module and lighting device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674077A (en) * 2015-03-13 2016-06-15 杭州华普永明光电股份有限公司 LED module and lighting device
WO2016146047A1 (en) * 2015-03-13 2016-09-22 杭州华普永明光电股份有限公司 Led module and illumination device
CN108427242A (en) * 2017-02-15 2018-08-21 卡西欧计算机株式会社 The assemble method of light supply apparatus, projection arrangement and light supply apparatus
CN108427242B (en) * 2017-02-15 2020-11-06 卡西欧计算机株式会社 Light source device, projection device, and method for assembling light source device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674077A (en) * 2015-03-13 2016-06-15 杭州华普永明光电股份有限公司 LED module and lighting device
WO2016146047A1 (en) * 2015-03-13 2016-09-22 杭州华普永明光电股份有限公司 Led module and illumination device
US10260715B2 (en) 2015-03-13 2019-04-16 Hangzhou Hpwinner Opto Corporation LED module and illumination device
CN105674077B (en) * 2015-03-13 2019-10-18 杭州华普永明光电股份有限公司 A kind of LED module and lighting device
CN108427242A (en) * 2017-02-15 2018-08-21 卡西欧计算机株式会社 The assemble method of light supply apparatus, projection arrangement and light supply apparatus
CN108427242B (en) * 2017-02-15 2020-11-06 卡西欧计算机株式会社 Light source device, projection device, and method for assembling light source device

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