CN205385193U - Laser light source - Google Patents
Laser light source Download PDFInfo
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- CN205385193U CN205385193U CN201620190259.1U CN201620190259U CN205385193U CN 205385193 U CN205385193 U CN 205385193U CN 201620190259 U CN201620190259 U CN 201620190259U CN 205385193 U CN205385193 U CN 205385193U
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- light
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- housing
- laser instrument
- light source
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Abstract
The utility model discloses a laser light source relates to projection equipment technical field. Can not realize effective sealed problem of light path invents for solution prior art laser light source. The utility model discloses laser light source includes the laser instrument and is located the casing of laser instrument light -emitting side, the casing is used for sealed light path subassembly, seted up on the casing into the light mouth, the light -emitting window of laser instrument with income light mouth on the casing is relative, the light -emitting window of laser instrument with it is equipped with the printing opacity flat board to press from both sides between the income light mouth on the casing, light -emitting window a week of laser instrument with be equipped with first sealing washer between the printing opacity flat board, the income light of casing mouthful a week with be equipped with the second sealing washer between the printing opacity flat board. The utility model discloses laser light source can be used to laser projector.
Description
Technical field
This utility model relates to projector equipment technical field, particularly relates to a kind of LASER Light Source.
Background technology
LASER Light Source is higher to the seal request of light path, if light path seals bad, it is internal and change the transmission path of internal light path that the impurity such as water in external environment, dust is easily accessible LASER Light Source, reduces the intensity of light.And prior art LASER Light Source optical path component fails to realize effective sealing, particularly in the connection gap place between laser instrument and optical path component housing.
In order to avoid the problems referred to above, prior art junction between laser instrument and optical path component housing is provided with sealing member with the gap between sealed laser and optical path component housing, enters in light source optical path thus preventing air from passing through this gap.But, due to the light-emitting window edge of laser instrument, can to arrange the width of sealing member less, and the outer wall out-of-flatness of seal casinghousing, makes sealing member gap content between laser instrument and seal casinghousing be easily generated dislocation, thus causing poorly sealed, effective sealing of LASER Light Source light path therefore still can not be realized.
Utility model content
Embodiment of the present utility model provides a kind of LASER Light Source, it is possible to reduces outside air and enters the probability of LASER Light Source light path, thus improving the sealing property to LASER Light Source light path.
For reaching above-mentioned purpose, embodiment of the present utility model provides a kind of LASER Light Source, including laser instrument and the housing being positioned at described laser instrument light emission side, described housing is used for sealing optical path component, described housing offers light inlet, the light-emitting window of described laser instrument is relative with the light inlet on described housing, it is folded with light-transmitting plate between light inlet on the light-emitting window of described laser instrument and described housing, it is provided with the first sealing ring between the light-emitting window of described laser instrument one week and described light-transmitting plate, it is provided with the second sealing ring between the light inlet of described housing one week and described light-transmitting plate.
A kind of LASER Light Source that this utility model embodiment provides, owing to being provided with the first sealing ring between light-emitting window one week and the light-transmitting plate of laser instrument, and owing to being provided with the second sealing ring between light inlet one week and the light-transmitting plate of housing, therefore the gap between laser instrument and housing is sealed by the first sealing ring, the second sealing ring and light-transmitting plate, it is therefore prevented that outside air is entered by the gap between laser instrument and housing and changes the transmission path of LASER Light Source light path or reduce the intensity of light.Compared in prior art, sealing member is located between housing and laser instrument, the flatness of light-transmitting plate is higher, make the power that on the first sealing ring, each position is born comparatively uniform, can effectively prevent the first sealing ring dislocation, entered the position relative with laser instrument light-emitting window by the gap between light-emitting window one week and the light-transmitting plate of laser instrument thus reducing outside air and affect the transmission path of the light that laser instrument sends or the probability of the intensity of light, thus achieve effective sealing in gap between laser instrument and housing.Simultaneously, the laser stent or the laser housing that include due to laser instrument are generally sheet metal component, tiny pit is there is in sheet metal component in the course of processing, therefore air can thus enter in the gap between laser instrument and housing by pit, in order to avoid this problem, this utility model embodiment is by sandwiched light-transmitting plate between the light inlet on the light-emitting window and housing of laser instrument, light-transmitting plate is made to have sheltered from the light inlet on housing, it is therefore prevented that outside air is entered through the light inlet on housing by the pit on laser stent or laser housing and enters enclosure interior.Thus, this utility model embodiment by arranging light-transmitting plate between laser instrument and housing, light inlet on the light-emitting window one week and housing of light-transmitting plate and laser instrument arranged sealing member between one week simultaneously, effectively reduce outside air and enter the probability in LASER Light Source light path, thus improve the sealing property to LASER Light Source light path.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is laser instrument in this utility model embodiment LASER Light Source, one of explosive view of attachment structure between housing and laser instrument and housing；
Fig. 2 is laser instrument in this utility model embodiment LASER Light Source, between housing and laser instrument and housing the two of the explosive view of attachment structure；
Fig. 3 is laser instrument in this utility model embodiment LASER Light Source, the assembling structural representation of attachment structure between housing and laser instrument and housing；
Fig. 4 is the structural representation of this utility model embodiment LASER Light Source middle shell.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In order to realize the sealing of LASER Light Source light path, it is possible to set housing to intercept internal light path and extraneous air at optical path component outer housing.And owing to the laser instrument volume in LASER Light Source is relatively big, caloric value is more, therefore laser instrument is arranged at the outside of housing, it is beneficial to be arranged around heat radiation conductive structure and barometric control unit at laser instrument.Now, in order in optical transport that laser instrument is sent to housing, light inlet need to be offered in the position of connecting laser on housing, the light-emitting window of laser instrument is connected to light inlet place by screw or other connectors in one week, the light that laser instrument sends can thus enter in housing to realize the processes such as the beam shaping of laser, fluorescence conversion, colour filter output by light inlet, and relative set optical path component in housing includes beam shaping module, fluorescence conversion module and colour filter output module etc..
With reference to Fig. 1, Fig. 1 is a specific embodiment of this utility model embodiment LASER Light Source, the LASER Light Source of the present embodiment includes laser instrument 2 and is positioned at the housing 1 of described laser instrument 2 light emission side, described housing 1 is used for sealing optical path component, described housing 1 offers light inlet 11, the light-emitting window 21 of described laser instrument 2 is relative with the light inlet 11 on described housing 1, it is folded with light-transmitting plate 3 between light inlet 11 on the light-emitting window 21 of described laser instrument 2 and described housing 1, the first sealing ring 4 it is provided with between the light-emitting window of described laser instrument 2 21 1 weeks and described light-transmitting plate 3, the second sealing ring 5 it is provided with between the light inlet of described housing 1 11 1 weeks and described light-transmitting plate 3.
A kind of LASER Light Source that this utility model embodiment provides, owing to being provided with the first sealing ring 4 between light-emitting window 21 1 weeks and the light-transmitting plate 3 of laser instrument 2, and owing to being provided with the second sealing ring 5 between light inlet 11 1 weeks and the light-transmitting plate 3 of housing 1, therefore the gap between laser instrument 2 and housing 1 is sealed by first sealing ring the 4, second sealing ring 5 and light-transmitting plate 3, structure after assembling is as shown in Figure 3, it is therefore prevented that outside air is entered by the gap between laser instrument 2 and housing 1 and changes the transmission path of LASER Light Source light path or reduce the intensity of light.Compared in prior art, sealing member is located between housing and laser instrument, the flatness of light-transmitting plate 3 is higher, make the power that on the first sealing ring 4, each position is born comparatively uniform, can effectively prevent the first sealing ring 4 from misplacing, thus reduce outside air by the gap between light-emitting window 21 1 weeks and the light-transmitting plate 3 of laser instrument 2 enter with the relative position of laser instrument 2 light-emitting window 21 and affect the probability of the intensity of transmission path that laser instrument 2 emits beam or light, thus achieve effective sealing in gap between laser instrument 2 and housing 1.Simultaneously, the laser stent or the laser housing that include due to laser instrument in prior art are generally sheet metal component, tiny pit is there is in sheet metal component in the course of processing, therefore air can thus enter in the gap between laser instrument and housing by pit, in order to avoid this problem, this utility model embodiment by being folded with light-transmitting plate 3 between the light inlet 11 on the light-emitting window 21 and housing 1 of laser instrument 2, light-transmitting plate 3 does not affect laser beam to be passed through, the light inlet 11 on housing 1 has been sheltered from from there through light-transmitting plate 3, the light inlet 11 that outside air is entered through on housing 1 by the pit on laser instrument 2 support or laser instrument 2 housing 1 is prevented to enter housing 1 internal.Thus, this utility model embodiment by arranging light-transmitting plate 3 between laser instrument 2 and housing 1, light inlet on the light-emitting window 21 1 weeks and housing 1 of light-transmitting plate 3 and laser instrument 2 arranged sealing member between 11 1 weeks simultaneously, effectively reduce outside air and enter the probability in LASER Light Source light path, thus improve the sealing property to LASER Light Source light path.
In the above-described embodiments, the thickness of light-transmitting plate 3 can be 1mm, 2mm or 3mm etc., is not specifically limited at this.
Wherein, the structure of housing 1 can be cube shaped housing, cylindrical shell, coniform housing, it is, of course, also possible to be the housing of other shapes, example, housing 1 is shape as shown in Figure 4, is not specifically limited at this.
It addition, the quantity of connecting laser 2 can be one on housing 1, it is also possible to for multiple, be not specifically limited at this.Laser instrument 2 quantity connected on housing 1 is multiple, example, and as shown in Figure 4, housing 1 is provided with two light inlets, and each light inlet place is all correspondingly arranged on a laser instrument 2, is provided with conjunction optical element and sends light to synthesize two laser instrument 2 in housing 1.Example, closing optical element can be a piece of convex lens being arranged at enclosure interior, by this convex lens, the multiple laser that multiple laser instrument 2 produce can synthesize light beam, reenter and be incident upon on other light path elements.
Furthermore, the shape of the first sealing ring 4 and the second sealing ring 5 can be circular, square etc., is not specifically limited at this, and the cross sectional shape of the first sealing ring 4 and the second sealing ring 5 can be square, circular etc., is not specifically limited at this.
In order to prevent the first sealing ring 4 from misplacing, preferably, as shown in Figure 2, the light-emitting window of laser instrument 2 is provided with the first groove 6 for 21 1 weeks, first sealing ring 4 coordinates in embedding the first groove 6 near the side of laser instrument 2 light-emitting window 21, limit the position of the first sealing ring 4 from there through the first groove 6, can effectively prevent the first sealing ring 4 from misplacing, thus avoiding the occurrence of the situation causing air to enter because of poorly sealed between light-emitting window 21 1 weeks and the light-transmitting plate 3 of laser instrument 2.
In like manner, in order to prevent the second sealing ring 5 from misplacing, preferably, as shown in Figure 1, the light inlet of housing 1 is provided with the second groove 7 for 11 1 weeks, and the second sealing ring 5 coordinates in embedding the second groove 7 near the side of housing 1 light inlet 11, limits the position of the second sealing ring 5 from there through the second groove 7, can effectively prevent the second sealing ring 5 from misplacing, thus avoiding the occurrence of the situation causing air to enter because of poorly sealed between light inlet 11 1 weeks and the light-transmitting plate 3 of housing 1.
In order to increase the transmitance of laser light light-transmitting plate 3, it is preferred that be provided with anti-reflection film (not shown) on light-transmitting plate 3, laser is had anti-reflection effect by anti-reflection film, thus increasing the transmitance of laser light light-transmitting plate 3.
It should be noted that anti-reflection film can be arranged at the incident side of light-transmitting plate 3, it is also possible to be arranged at the light emission side of light-transmitting plate 3, it is also possible to be arranged at incident side and the light emission side of light-transmitting plate 3, be not specifically limited at this simultaneously.But, owing to incident side and the light emission side of light-transmitting plate 3 are respectively provided with anti-reflection film antireflective effect better, laser energy loss is less, therefore, incident side and light emission side preferably in light-transmitting plate 3 are respectively provided with anti-reflection film, to increase the transmitance of laser light light-transmitting plate 3 largely.
In the embodiment shown in fig. 1, the first sealing ring 4 and the second sealing ring 5 can adopt silica gel material to make, it would however also be possible to employ fluorubber material makes.When the first sealing ring 4 and the second sealing ring 5 adopt silica gel to make, due to the close together between the first sealing ring 4 and the second sealing ring 5 and laser instrument 2, the temperature of environment is higher, and silica gel easily produces irritative gas in an environment of high temperature, these gases can enter in the inside light path of LASER Light Source and light path is interfered.Therefore, in order to avoid the problems referred to above, it is preferable that the first sealing ring 4 and the second sealing ring 5 adopt fluorubber material to make, and fluorubber is high temperature resistant, and form stable at high operating temperatures, gas will not be produced, it is possible to avoid the inside light path of LASER Light Source is impacted.
In the embodiment shown in fig. 1, the material of light-transmitting plate 3 can be glass, pottery or acrylic etc., is not specifically limited at this.But, owing to glass is common used material, and cheap, it is thus preferred to light-transmitting plate 3 is clear glass, and this structure easily realizes, and less costly.
The probability of light-transmitting plate 3 is transmitted light through, it is preferred that the spectral transmittance of light-transmitting plate 3, more than or equal to 99%, enables the light that laser instrument sends to enter in housing 1 through light-transmitting plate 3 as much as possible and is used in order to increase laser instrument as much as possible.
It is located between the light inlet 11 on the light-emitting window 21 of laser instrument 2 and housing 1 due to light-transmitting plate 3, if the pressure that light-transmitting plate can bear is less, under bigger chucking power between laser instrument 2 and housing 1, it is easily damaged light-transmitting plate 3, therefore to avoid this problem, the pressure that preferred light-transmitting plate can bear is more than 800Pa, and now light-transmitting plate 3 can resist the extruding force between laser instrument and housing.
In order to seal in LASER Light Source except other optical path component of laser instrument, housing 1 can be made as structure as shown in Figure 4, namely, housing 1 is provided with installing port 12, installing port 12 is provided with lid (not shown), this housing 1 and lid can be used for other optical path component encapsulated in LASER Light Source except laser instrument 2, such as beam shaping module, fluorescence conversion module or colour filter output module etc., this optical path component is loaded by installing port 12, to intercept inside light path and the extraneous air of LASER Light Source further.
In the embodiment shown in fig. 4, for other optical path component enabling housing 1 and lid effectively to seal in LASER Light Source except laser instrument, preferably, housing can be made as structure as shown in Figure 4, namely lid is provided with the 3rd sealing ring 9 with the junction of housing, the link position between housing 1 and lid is sealed, it is therefore prevented that air is entered in the light path within housing 1 by the gap between housing 1 and lid from there through the 3rd sealing ring 9.
In order to prevent the 3rd sealing ring 9 from misplacing, preferably, the installing port of housing 1 is provided with the 3rd groove (not shown) in 12 1 weeks, 3rd sealing ring 9 coordinates in embedding the 3rd groove near the side of housing 1 installing port 12, the position of the 3rd sealing ring 9 is limited from there through the 3rd groove, effectively prevent the 3rd sealing ring 9 to misplace, thus avoiding the occurrence of the situation causing air to enter because of poorly sealed between installing port 12 1 weeks and the lid of housing 1.
In the description of this specification, specific features, structure or feature can combine in an appropriate manner in any one or more embodiments or example.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (10)
1. a LASER Light Source, it is characterized in that, including laser instrument and the housing being positioned at described laser instrument light emission side, described housing is used for sealing optical path component, described housing offers light inlet, the light-emitting window of described laser instrument is relative with the light inlet on described housing, it is folded with light-transmitting plate between light inlet on the light-emitting window of described laser instrument and described housing, it is provided with the first sealing ring between the light-emitting window of described laser instrument one week and described light-transmitting plate, between the light inlet of described housing one week and described light-transmitting plate, is provided with the second sealing ring.
2. LASER Light Source according to claim 1, it is characterised in that the light-emitting window of described laser instrument is provided with the first groove for a week, described first sealing ring coordinates in described first groove of embedding near the side of described laser instrument light-emitting window.
3. LASER Light Source according to claim 1, it is characterised in that the light inlet of described housing is provided with the second groove for a week, described second sealing ring coordinates in described second groove of embedding near the side of described housing light inlet.
4. LASER Light Source according to claim 1, it is characterised in that be provided with anti-reflection film on described light-transmitting plate.
5. LASER Light Source according to claim 1, it is characterised in that described first sealing ring and described second sealing ring are made by fluorubber.
6. LASER Light Source according to claim 1, it is characterised in that described light-transmitting plate is clear glass.
7. LASER Light Source according to claim 1, it is characterised in that the spectral transmittance of described light-transmitting plate is more than or equal to 99%.
8. LASER Light Source according to claim 1, it is characterised in that the pressure that described light-transmitting plate can bear is more than 800Pa.
9. LASER Light Source according to claim 1, it is characterised in that described housing is provided with installing port, described installing port is provided with the junction of lid, described lid and described housing and is provided with the 3rd sealing ring.
10. LASER Light Source according to claim 9, it is characterised in that the installing port of described housing is provided with the 3rd groove for a week, described 3rd sealing ring coordinates in described 3rd groove of embedding near the side of described housing installing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190259.1U CN205385193U (en) | 2016-03-11 | 2016-03-11 | Laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620190259.1U CN205385193U (en) | 2016-03-11 | 2016-03-11 | Laser light source |
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|---|---|
| CN205385193U true CN205385193U (en) | 2016-07-13 |
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|---|---|---|---|
| CN201620190259.1U Active CN205385193U (en) | 2016-03-11 | 2016-03-11 | Laser light source |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919596A (en) * | 2018-03-16 | 2018-11-30 | 青岛海信激光显示股份有限公司 | A kind of light source module group and laser projection |
| US10389968B1 (en) | 2018-03-16 | 2019-08-20 | Qindao Hisense Laser Display Co., Ltd. | Laser projection device |
| WO2019174143A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛海信激光显示股份有限公司 | Laser assembly and laser projection device |
| WO2019174158A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛海信激光显示股份有限公司 | Laser module and laser projection device |
| CN111427225A (en) * | 2019-01-10 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| WO2022078098A1 (en) * | 2020-10-14 | 2022-04-21 | 青岛海信激光显示股份有限公司 | Light source assembly, optical engine, and projection device |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
-
2016
- 2016-03-11 CN CN201620190259.1U patent/CN205385193U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108919596A (en) * | 2018-03-16 | 2018-11-30 | 青岛海信激光显示股份有限公司 | A kind of light source module group and laser projection |
| US10389968B1 (en) | 2018-03-16 | 2019-08-20 | Qindao Hisense Laser Display Co., Ltd. | Laser projection device |
| WO2019174143A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛海信激光显示股份有限公司 | Laser assembly and laser projection device |
| WO2019174158A1 (en) * | 2018-03-16 | 2019-09-19 | 青岛海信激光显示股份有限公司 | Laser module and laser projection device |
| US20190288480A1 (en) * | 2018-03-16 | 2019-09-19 | Qingdao Hisense Laser Display Co., Ltd. | Laser module and laser projection device |
| CN110277722A (en) * | 2018-03-16 | 2019-09-24 | 青岛海信激光显示股份有限公司 | A kind of package assembling of laser, light source module group and laser projection |
| CN110277721A (en) * | 2018-03-16 | 2019-09-24 | 青岛海信激光显示股份有限公司 | A kind of laser die group, laser light source and laser projection device |
| US11095090B2 (en) * | 2018-03-16 | 2021-08-17 | Qingdao Hisense Laser Display Co., Ltd. | Laser module and laser projection device |
| CN111427225A (en) * | 2019-01-10 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| WO2022078098A1 (en) * | 2020-10-14 | 2022-04-21 | 青岛海信激光显示股份有限公司 | Light source assembly, optical engine, and projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200819 Address after: 266555 Qian WAN port road, Huangdao District, Qingdao, Shandong Province, No. 218 Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: Donghai West Road 266100 Shandong city of Qingdao province No. 17 Patentee before: HISENSE Co.,Ltd. |
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| TR01 | Transfer of patent right |