CN209542892U - Light emitting secondary module structure-improved - Google Patents
Light emitting secondary module structure-improved Download PDFInfo
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- CN209542892U CN209542892U CN201920244120.4U CN201920244120U CN209542892U CN 209542892 U CN209542892 U CN 209542892U CN 201920244120 U CN201920244120 U CN 201920244120U CN 209542892 U CN209542892 U CN 209542892U
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Abstract
A kind of light emitting secondary module structure-improved, including a Package boxes, a laser diode drive group, an electric heating cooling chip, a smooth work device, a smooth work device support column, a laser diode group and collimating lens group.Package boxes have a circuit control end and a light emission outlet, and there is light emission outlet a light emission to portal.Laser diode drive group is set on circuit control end.Electric heating cooling chip and light work device support column are respectively arranged in Package boxes, and wherein electric heating cooling chip is between laser diode drive group and light work device support column, and light work device support column is between electric heating cooling chip and light emission outlet.Light Work tool has an input terminal and an output end, and the input terminal of light work device is set on one end of electric heating cooling chip, and the output end of light work device is set on light work device support column.Laser diode group is set on the other end of electric heating cooling chip, and wherein laser diode group is electrical connected with laser diode drive group.
Description
Technical field
The utility model is in relation to a kind of light emitting secondary module structure-improved, espespecially a kind of light hair with electric heating cooling chip
Penetrate secondary module structure-improved.
Background technique
Figure 10 A is please referred to, is an a kind of specific embodiment of light emitting secondary module of the prior art.Please refer to figure
10B is the schematic top plan view of the embodiment of Figure 10 A.One light emitting secondary module 9 of the prior art include: a Package boxes 90,
One laser diode drive group 92, a flexible circuit board 921,93 (TEC:thermoelectric of an electric heating cooling chip
Cooler) a smooth work device 95 (optical multiplexer), a laser diode group 96, an optical window lens 904, a light
Fine coupling part 98 and collimating lens group 97.Package boxes 90 have a circuit control end 901 and a light emission outlet 902.
There is light emission outlet 902 light emission to portal 903.Wherein laser diode drive group 92 includes four laser diode drives
922,923,924,925.Wherein light work device 95 has an input terminal 951 and an output end 952.The wherein input of light work device 95
There are four optical inputs 953,954,955,956 for 951 tool of end.The output end 952 of light work device 95 has a light output mouth 957.Its
Middle laser diode group 96 includes four laser diodes 961,962,963,964.Wherein collimation lens set 97 includes four standards
Straight lens 971,972,973,974 (collimator lens).Wherein laser diode drive group 92 is set to circuit control
On end 901.Electric heating cooling chip 93 is set within Package boxes 90.Wherein electric heating cooling chip 93 drives between laser diode
Between dynamic device group 92 and light emission outlet 902.Wherein light work device 95 is set on one end 932 of electric heating cooling chip 93, is swashed
Optical diode group 96 is set on the other end 931 of electric heating cooling chip 93, and collimation lens set 97 is set to electric heating refrigeration core
On piece 93, and collimation lens set 97 is between laser diode group 96 and light work device 95.Wherein laser diode group 96
Between laser diode drive group 92 and collimation lens set 97, wherein four two poles of laser of laser diode group 96
Pipe 961,962,963,964 swashs by four of flexible circuit board 921 and corresponding laser diode drive group 92 respectively
Optical diode driver 922,923,924,925 is electrical connected.Wherein four collimation lenses 971 of collimation lens set 97,972,
973,974 four laser diodes 961,962,963,964 for corresponding to laser diode group 96 respectively.Wherein light work device 95
Input terminal 951 close to collimation lens set 97 so that four collimation lenses 971,972,973,974 of collimation lens set 97 are distinguished
Correspond to four optical inputs 953,954,955,956 of the input terminal 951 of light work device 95；And the output end of light work device 95
952 close to light emission outlet 902, so that the light output mouth 957 of the output end 952 of light work device 95 corresponds to light emission outlet 902
Light emission portals 903.Wherein optical window lens 904 are set to light emission and portal on 903.Wherein fiber coupling portion 98 is set to packaging cartridge
Except body 90, and it is connected with light emission outlet 902.Wherein fiber coupling portion 98 includes a condenser lens 981 and an optical fiber
982, wherein condenser lens 981 is between optical window lens 904 and optical fiber 982.The design of this embodiment is by laser two
Pole pipe group 96, collimation lens set 97 and light work device 95 are all set on electric heating cooling chip 93, laser diode group 96, standard
Straight lens group 97 and light work device 95 all under good temperature control so that laser diode group 96 and collimation lens set 97 away from
From constant, there will not be the phenomenon that deviating up and down, therefore, by four laser diodes 961 of laser diode group 96,962,
963,964 light issued respectively is each passed through institute after four collimation lenses 971,972,973,974 of collimation lens set 97
The light of output will not have the phenomenon that out of focus or angle deviates up and down because extraneous temperature changes.And collimation lens set 97 with
Light work device 95 is also constant distance, the phenomenon that offset up and down.Therefore four standards of collimation lens set 97 are each passed through
The light of straight lens 971,972,973,974, then respectively by four optical inputs of the input terminal 951 of light work device 95 953,954,
955,956 enter light work device 95, will not have the phenomenon that out of focus or angle deviates up and down because extraneous temperature changes.Cause
This, by light work device 95, then the light exported by the light output mouth 957 of the output end 952 of light work device 95 can't be because of the external world
Temperature changes and has the variation in optical characteristics.Since light work device 95 is arranged on electric heating cooling chip 93, when to electric heating
When cooling chip 93 carries out temperature control, although the temperature on the surface of electric heating cooling chip 93 can obtain good control, so that
The surface of electric heating cooling chip 93 will not be expanded or shunk because extraneous temperature changes, however when to electric heating cooling chip 93 into
When row temperature control, relative to the light work device 95 being set on electric heating cooling chip 93, optical window lens 904 and condenser lens
981 position up and down can change with extraneous temperature and be changed, therefore electric heating cooling chip 93 and condenser lens 981
It can change with extraneous temperature between (light first passes through optical window lens 904, using condenser lens 981) and have up and down partially
The phenomenon that shifting.Therefore it is exported by the light output mouth 957 of the output end 952 of light work device 95, by optical window lens 904, then by gathering
The light that focus lens 981 are coupled into optical fiber 982 is to be varied as extraneous temperature changes.
Figure 11 is please referred to, is a kind of another specific embodiment of light emitting secondary module of the prior art.Shown in Figure 11
The primary structure of embodiment is roughly the same with the structure of embodiment shown in Figure 10 A, still, further includes a smooth work device fixed part
94, wherein light work device fixed part 94 is set within Package boxes 90, and wherein electric heating cooling chip 93 drives between laser diode
Between dynamic device group 92 and light work device fixed part 94, light work device fixed part 94 is between electric heating cooling chip 93 and light emission outlet
Between 902, wherein light work device 95 is set on light work device fixed part 94, and wherein collimation lens set 97 is set to electric heating refrigeration core
On one end 932 of piece 93, laser diode group 96 is set on the other end 931 of electric heating cooling chip 93, wherein laser
Diode group 96 is between laser diode drive group 92 and collimation lens set 97, wherein the four of laser diode group 96
A laser diode 961,962,963,964 is respectively by flexible circuit board 921 and corresponding laser diode drive group
92 four laser diode drives 922,923,924,925 are electrical connected.Wherein four collimations of collimation lens set 97 are saturating
Mirror 971,972,973,974 corresponds to four laser diodes 961,962,963,964 of laser diode group 96 respectively.Its
The input terminal 951 of middle smooth work device 95 close to collimation lens set 97 so that four collimation lenses 971 of collimation lens set 97,972,
973,974 correspond to respectively light work device 95 input terminal 951 four optical inputs 953,954,955,956；And light work device
95 output end 952 is close to light emission outlet 902, so that the light output mouth 957 of the output end 952 of light work device 95 corresponds to light emission
The light emission of outlet 902 portals 903.The design of this embodiment is that laser diode group 96 and collimation lens set 97 are set to electricity
On hot cooling chip 93, laser diode group 96 and collimation lens set 97 are under good temperature control, so that two pole of laser
The constant distance of pipe group 96 and collimation lens set 97 there will not be the phenomenon that deviating up and down, therefore, by laser diode group 96
The light that issues respectively of four laser diodes 961,962,963,964, be each passed through four collimations of collimation lens set 97
The light exported after lens 971,972,973,974 will not have out of focus or angle inclined up and down because extraneous temperature changes
The phenomenon that shifting.However since light work device 95 is not by temperature control, distance is not constant between collimation lens set 97 and light work device 95,
Also the phenomenon that deviating up and down is had.Therefore be each passed through collimation lens set 97 four collimation lenses 971,972,973,
974 light, then enter light work device 95 by four optical inputs 953,954,955,956 of the input terminal 951 of light work device 95 respectively,
It is can have the phenomenon that out of focus or angle deviates up and down because extraneous temperature changes.Cause by the output end of light work device 95
The optical characteristics for the light that 952 light output mouth 957 is exported can be changed by extraneous temperature and be influenced.
In view of this, inventor develops the design of easy assembled, above-mentioned disadvantage can be avoided, it is easy for installation,
Have the advantages that again low in cost, is considered with taking into account using elasticity and economy etc., therefore have the generation of the utility model then.
Utility model content
The technical issues of the utility model is to be solved is how to make the optical characteristics of the output light of light emitting secondary module
It is not influenced by ambient temperature variation.
To solve foregoing problems, to reach desired effect, the utility model provides a kind of light emitting secondary module improvement
Structure a, comprising: Package boxes, a laser diode drive group, an electric heating cooling chip, a smooth work device support column, a light
Work device, a laser diode group and collimating lens group.Wherein there is Package boxes a circuit control end and a light emission to go out
End, wherein there is light emission outlet a light emission to portal.Wherein laser diode drive group is set on circuit control end.It is wherein electric
Hot cooling chip is set in Package boxes.Wherein light work device support column is set in Package boxes, wherein electric heating cooling chip
Between laser diode drive group and light work device support column, light work device support column is between electric heating cooling chip and light
Between ejecting end.Wherein light Work tool has an input terminal and an output end, and the input terminal of light work device is set to electric heating refrigeration core
On one end of piece, the output end of light work device is set on light work device support column.Wherein laser diode group is set to electric heating
On the other end of cooling chip, wherein laser diode group is electrical connected with laser diode drive group.Wherein collimation is saturating
Microscope group is set on electric heating cooling chip, and wherein laser diode group is between laser diode drive group and collimation lens
Between group, wherein collimation lens set is between the input terminal of laser diode group and light work device.Due to the input of light work device
End, laser diode group and collimation lens set are set on electric heating cooling chip, so that laser diode group and collimation
Between lens group and the distance between collimation lens set and light work device are constant, there will not be the phenomenon that deviating up and down, therefore
There will not be the phenomenon that out of focus or angle deviates up and down as extraneous temperature changes.And the output end of light work device is setting
On light work device support column, and light work device support column is in the temperature-control range of electric heating cooling chip, therefore, the support of light work device
The variation that column changes with temperature, can be close with the variation that the light emission outlet of Package boxes changes with temperature, especially when light work device
When supporting identical as the material of Package boxes.Therefore if one Optical devices of setting of the light emission outlet in Package boxes, such as one
Condenser lens and/or an optical fiber, the light that the output end of You Guanggong device is exported enter back into Optical devices, would not by with
Extraneous temperature changes and has the phenomenon that out of focus or angle deviates up and down.Therefore, special into the optics of the light of Optical devices
Property will not be influenced by as extraneous temperature changes.
In some embodiments, light emitting secondary module structure-improved above-mentioned further includes an optical window lens, wherein light
Window lens are learned to be set on light emission portals.
In some embodiments, light emitting secondary module structure-improved above-mentioned further includes a fiber coupling portion, wherein light
Fine coupling part is set to except Package boxes, and is connected with light emission outlet, wherein fiber coupling portion include a condenser lens with
And an optical fiber, wherein condenser lens is between optical window lens and optical fiber.
In some embodiments, light emitting secondary module structure-improved above-mentioned further includes a fiber coupling portion, wherein light
Fine coupling part is set to except Package boxes, and is connected with light emission outlet, wherein fiber coupling portion include a condenser lens with
And an optical fiber, wherein condenser lens between light emission portal and optical fiber between.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein fiber coupling portion further include a light every
From device, wherein isolator is set between condenser lens and optical fiber.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein fiber coupling portion further includes an optical fiber
Casing, wherein ferrule is to fixed optical fiber.
In some embodiments, light emitting secondary module structure-improved above-mentioned further includes a flexible circuit board, wherein swashing
Optical diode group is electrical connected with laser diode drive group by flexible circuit board.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein laser diode group includes four sharp
Optical diode, laser diode drive group include four laser diode drives, and collimation lens set includes that four collimations are saturating
Mirror, there are four optical inputs for the input terminal tool of light work device, swash wherein four laser diode drives correspond to four respectively
Optical diode, wherein four laser diodes correspond to four collimation lenses respectively, wherein four collimation lenses are opposite respectively
Four optical inputs of the input terminal of Ying Yuguang work device.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein each of four laser diodes
For an external modulation laser diode.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein laser diode group further includes four
Optical diode is examined, wherein four inspection optical diodes correspond to four laser diodes respectively.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein the lower section of light work device is caused between electric heating
There is an interval between cold core piece and light work device support column.
In some embodiments, light emitting secondary module structure-improved above-mentioned further includes a temperature sensor, medium temperature
Degree sensor is set on electric heating cooling chip, and neighbouring laser diode group.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein Package boxes are made of metal.
In some embodiments, light emitting secondary module structure-improved above-mentioned, wherein constituting the material of light work device support column
It is identical as the material of Package boxes is constituted.
To further appreciate that the utility model, preferred embodiment is lifted below, cooperates schema, figure number, by the utility model
Specific composition content and its it is reached the effect of detailed description are as follows.
Detailed description of the invention
Figure 1A is a kind of diagrammatic cross-section of the structure improved specific embodiment of light emitting secondary module of the utility model.
Figure 1B is the schematic top plan view of the embodiment of Figure 1A.
Fig. 2 is a kind of diagrammatic cross-section of the structure improved another specific embodiment of light emitting secondary module of the utility model.
Fig. 3 is a kind of diagrammatic cross-section of the structure improved still another embodiment of light emitting secondary module of the utility model.
Fig. 4 is a kind of diagrammatic cross-section of the structure improved still another embodiment of light emitting secondary module of the utility model.
Fig. 5 is a kind of diagrammatic cross-section of the structure improved specific embodiment of light emitting secondary module of the utility model.
Fig. 6 is a kind of diagrammatic cross-section of the structure improved another specific embodiment of light emitting secondary module of the utility model.
Fig. 7 is a kind of diagrammatic cross-section of the structure improved still another embodiment of light emitting secondary module of the utility model.
Fig. 8 is a kind of schematic top plan view of the structure improved specific embodiment of light emitting secondary module of the utility model.
Fig. 9 is a kind of schematic top plan view of the structure improved another specific embodiment of light emitting secondary module of the utility model.
Figure 10 A is an a kind of specific embodiment of light emitting secondary module of the prior art.
Figure 10 B is the schematic top plan view of the embodiment of Figure 10 A.
Figure 11 is a kind of another specific embodiment of light emitting secondary module of the prior art.
Description of symbols: 1- light emitting secondary module structure-improved；10- Package boxes；11- circuit control end；12- light emission
Outlet；13- light emission is portalled；14- optical window lens；The interval 15-；20- laser diode drive group；21- flexible circuit board；
22,23,24,25- laser diode drive；30- electric heating cooling chip；The other end of 31- electric heating cooling chip；32- electric heating
One end of cooling chip；33- temperature sensor；40- light work device support column；50- light work device；The input terminal of 51- light work device；52-
The output end of light work device；53,54,55,56- optical input；57- light output mouth；60- laser diode group；61,62,63,64-
Laser diode；65,66,67,68- inspection optical diode；70- collimation lens set；71,72,73,74- collimation lens；80- optical fiber
Coupling part；81- condenser lens；82- optical fiber；83- optoisolator；84- ferrule；9- light emitting secondary module；90- packaging cartridge
Body；901- circuit control end；902- light emission outlet；903- light emission is portalled；904- optical window lens；The driving of 92- laser diode
Device group；921- flexible circuit board；93- electric heating cooling chip；The other end of 931- electric heating cooling chip；932- electric heating cooling chip
One end；94- light work device fixed part；95- light work device；The input terminal of 951- light work device；The output end of 952- light work device；96- swashs
Optical diode group；97- collimation lens set；98- fiber coupling portion；981- condenser lens；982- optical fiber.
Specific embodiment
Figure 1A is please referred to, is a kind of section of the structure improved specific embodiment of light emitting secondary module of the utility model
Schematic diagram.It is the schematic top plan view of the embodiment of Figure 1A please refer to Figure 1B.The one light emitting secondary module of the utility model
Structure-improved 1 includes: a Package boxes 10, a laser diode drive group 20, a flexible circuit board 21, an electric heating refrigeration core
Piece 30 (TEC:thermoelectric cooler), a smooth work device support column 40, a smooth 50 (optical of work device
Multiplexer), a laser diode group 60 and collimating lens group 70.Wherein Package boxes 10 are made of metal.
Package boxes 10 have a circuit control end 11 and a light emission outlet 12.There is light emission outlet 12 light emission to portal 13.Laser
Diode (led) driver group 20 is set on circuit control end 11.Wherein laser diode drive group 20 includes four two poles of laser
Pipe driver 22,23,24,25.Electric heating cooling chip 30 is set within Package boxes 10.Light work device support column 40 is set to envelope
Within mounted box body 10, wherein electric heating cooling chip 30 between laser diode drive group 20 and light work device support column 40 it
Between, light work device support column 40 is between electric heating cooling chip 30 and light emission outlet 12.Light work device 50 has an input terminal 51
An and output end 52.Wherein there are four optical inputs 53,54,55,56 for the tool of input terminal 51 of light work device 50.Light work device 50 it is defeated
Outlet 52 has a light output mouth 57.Wherein the input terminal 51 of light work device 50 be set to electric heating cooling chip 30 one end 32 it
On, and the output end 52 of light work device 50 is set on light work device support column 40, so that the light of the output end 52 of light work device 50 is defeated
The light emission that outlet 57 corresponds to light emission outlet 12 portals 13.Laser diode group 60 is set to the another of electric heating cooling chip 30
On end 31.Wherein laser diode group 60 includes four laser diodes 61,62,63,64.Wherein laser diode group 60
Four laser diodes 61,62,63,64 are respectively by flexible circuit board 21 and corresponding laser diode drive group 20
Four laser diode drives 22,23,24,25 are electrical connected.Collimation lens set 70 is set on electric heating cooling chip 30.
Wherein collimation lens set 70 includes four collimation lenses 71,72,73,74 (collimator lens).Wherein laser diode group
60 between laser diode drive group 20 and collimation lens set 70, so that four collimation lenses of collimation lens set 70
71,72,73,74 four laser diodes 61,62,63,64 for corresponding to laser diode group 60 respectively；And wherein collimation is saturating
Microscope group 70 is between the input terminal 51 of laser diode group 60 and light work device 50, so that four of collimation lens set 70 collimate
Lens 71,72,73,74 correspond to four optical inputs 53,54,55,56 of the input terminal 51 of light work device 50 respectively.Wherein light
The lower section of work device 50 has an interval 15 between electric heating cooling chip 30 and light work device support column 40.Due to light work device 50
Input terminal 51, laser diode group 60 and collimation lens set 70 are set on electric heating cooling chip 30, so that laser two
Four collimation lenses of four laser diodes 61,62,63,64 of pole pipe group 60 and corresponding collimation lens set 70 respectively
71, the distance between 72,73,74 is constant, there will not be the phenomenon that deviating up and down, therefore will not change with extraneous temperature
And there is the phenomenon that out of focus or angle deviates up and down.And four collimation lenses 71,72,73,74 of collimation lens set 70 with point
The distance between four optical inputs 53,54,55,56 of input terminal 51 of not corresponding smooth work device 50 are constant, there will not be
The phenomenon that deviating up and down, therefore will not have the phenomenon that out of focus or angle deviates up and down as extraneous temperature changes.
And the output end 52 of light work device 50 is to be arranged on light work device support column 40, and light work device support column 40 is not in electric heating refrigeration
In the temperature-control range of chip 30, therefore, the variation that light work device support column 40 changes with temperature can be with the light emission outlet of Package boxes 10
12 is close with the variation of temperature change, especially when light work device support 40 is identical as the material of Package boxes 10.Therefore if in envelope
One Optical devices of setting of the light emission outlet 12 of mounted box body 10, such as a condenser lens and/or an optical fiber, You Guanggong device 50
Output end 52 the light that is exported of light output mouth 57, enter back into Optical devices, would not by changing with extraneous temperature and
There is the phenomenon that out of focus or angle deviates up and down.It therefore, will not be by with the external world into the optical characteristics of the light of Optical devices
Temperature change and influenced, with reach light emitting secondary module output light optical characteristics not by ambient temperature change institute's shadow
Loud purpose.
In some embodiments, the support 40 of light work device is identical as the material of Package boxes 10.
In some embodiments, each of four laser diodes 61,62,63,64 of laser diode group 60 is one
External modulation laser diode (EML:external modulation laser).
Referring to Fig. 2, its cuing open for a kind of structure improved another specific embodiment of light emitting secondary module of the utility model
Face schematic diagram.The primary structure of embodiment shown in Fig. 2 is roughly the same with the structure of embodiment shown in figure 1A, only, more wraps
An optical window lens 14 are included, wherein optical window lens 14 are set to light emission and portal on 13.
Referring to Fig. 3, its cuing open for a kind of structure improved still another embodiment of light emitting secondary module of the utility model
Face schematic diagram.The primary structure of embodiment shown in Fig. 3 is roughly the same with the structure of embodiment shown in Fig. 2, only, further includes
One fiber coupling portion 80, wherein fiber coupling portion 80 is set to except Package boxes 10, and is connected with light emission outlet 12.Wherein
Fiber coupling portion 80 includes a condenser lens 81 and an optical fiber 82, and wherein condenser lens 81 is between optical window lens 14 and light
Between fibre 82.
Referring to Fig. 4, its cuing open for a kind of structure improved still another embodiment of light emitting secondary module of the utility model
Face schematic diagram.The primary structure of embodiment shown in Fig. 4 is roughly the same with the structure of embodiment shown in figure 1A, only, more wraps
A fiber coupling portion 80 is included, wherein fiber coupling portion 80 is set to except Package boxes 10, and is connected with light emission outlet 12.Its
Middle fiber coupling portion 80 includes a condenser lens 81 and an optical fiber 82, and wherein condenser lens 81 portals 13 and light between light emission
Between fibre 82.
Referring to Fig. 5, it is a kind of section of the structure improved specific embodiment of light emitting secondary module of the utility model
Schematic diagram.The primary structure of embodiment shown in fig. 5 is roughly the same with the structure of embodiment shown in Fig. 3, only, wherein optical fiber coupling
Conjunction portion 80 further includes an optoisolator 83 (optical isolator), and wherein optoisolator 83 is set between condenser lens 81
And between optical fiber 82.
Referring to Fig. 6, its cuing open for a kind of structure improved another specific embodiment of light emitting secondary module of the utility model
Face schematic diagram.The primary structure of embodiment shown in fig. 6 is roughly the same with the structure of embodiment shown in Fig. 3, only, wherein optical fiber
Coupling part 80 further includes a ferrule 84 (ferrule), and wherein ferrule 84 is to fixed optical fiber 82.
Referring to Fig. 7, its cuing open for a kind of structure improved still another embodiment of light emitting secondary module of the utility model
Face schematic diagram.The primary structure of embodiment shown in Fig. 7 is roughly the same with the structure of embodiment shown in fig. 6, only, wherein optical fiber
Coupling part 80 further includes an optoisolator 83, and wherein optoisolator 83 is set between condenser lens 81 and optical fiber 82.
Referring to Fig. 8, it is a kind of vertical view of the structure improved specific embodiment of light emitting secondary module of the utility model
Schematic diagram.The primary structure of embodiment shown in Fig. 8 is roughly the same with the structure of embodiment shown in Figure 1B, only, further includes
One optical window lens 14, a fiber coupling portion 80 and a temperature sensor 33.Wherein optical window lens 14 are set to light emission and go out
On hole 13.Wherein fiber coupling portion 80 is set to except Package boxes 10, and is connected with light emission outlet 12.Wherein fiber coupling
Portion 80 includes a condenser lens 81 and an optical fiber 82, wherein condenser lens 81 between optical window lens 14 and optical fiber 82 it
Between.Wherein temperature sensor 33 is set on electric heating cooling chip 30, and neighbouring laser diode group 60.
Referring to Fig. 9, its bowing for a kind of structure improved another specific embodiment of light emitting secondary module of the utility model
Depending on schematic diagram.The primary structure of embodiment shown in Fig. 9 is roughly the same with the structure of embodiment shown in Fig. 8, only, wherein laser
Diode group 60 further includes four inspection optical diodes 65,66,67,68 (MPD:Monitor Photodiode), wherein laser two
Four inspection optical diodes 65,66,67,68 of pole pipe group 60 correspond to four laser diodes of laser diode group 60 respectively
61,62,63,64, and four inspection optical diodes 65,66,67,68 of laser diode group 60 correspond to laser diode respectively
Four laser diode drives 22,23,24,25 of driver group 20.
The above is specific embodiment of the utility model and the technological means used, according to the exposure of this paper or
Introduction, which can derive, derives many change and amendment, still can be considered equivalent change made by conception of the invention, produced by
The connotation still covered without departing from specification and schema of effect, be regarded as within technology scope of the invention, close
First Chen Ming.
In conclusion the utility model really can reach the expected purpose of utility model according to content disclosed above, provide
A kind of light emitting secondary module structure-improved, the valence utilized in great industry are planted, and whence proposes application for a patent for invention in accordance with the law.
Claims (14)
1. a kind of light emitting secondary module structure-improved characterized by comprising
One Package boxes, wherein the Package boxes have a circuit control end and a light emission outlet, and wherein the light emission outlet has
There is a light emission to portal；
One laser diode drive group is set on the circuit control end；
One electric heating cooling chip, is set in the Package boxes；
One smooth work device support column, is set in the Package boxes, and wherein the electric heating cooling chip drives between the laser diode
Between device group and the light work device support column, the light work device support column between the electric heating cooling chip and the light emission outlet it
Between；
One smooth work device, wherein the light Work tool has an input terminal and an output end, and the input terminal of the light work device is set to this
On one end of electric heating cooling chip, the output end of the light work device is set on the light work device support column；
One laser diode group, is set on the other end of the electric heating cooling chip, and wherein the laser diode group swashs with this
Optical diode driver group is electrical connected；And
Collimating lens group is set on the electric heating cooling chip, and wherein the laser diode group is between the laser diode
Between driver group and the collimation lens set, wherein the collimation lens set is between the laser diode group and the light work device
Between the input terminal.
2. light emitting secondary module structure-improved as described in claim 1, which is characterized in that an optical window lens are further included,
In the optical window lens be set on the light emission portals.
3. light emitting secondary module structure-improved as claimed in claim 2, which is characterized in that a fiber coupling portion is further included,
In the fiber coupling portion be set to except the Package boxes, and be connected with the light emission outlet, wherein the fiber coupling portion includes:
One condenser lens；And
One optical fiber, wherein the condenser lens is between the optical window lens and the optical fiber.
4. light emitting secondary module structure-improved as described in claim 1, which is characterized in that a fiber coupling portion is further included,
In the fiber coupling portion be set to except the Package boxes, and be connected with the light emission outlet, wherein the fiber coupling portion includes:
One condenser lens；And
One optical fiber, wherein the condenser lens between the light emission portal and the optical fiber between.
5. the light emitting secondary module structure-improved as described in any in claim 3 or 4, which is characterized in that the fiber coupling portion
An optoisolator is further included, wherein the isolator is set between the condenser lens and the optical fiber.
6. the light emitting secondary module structure-improved as described in any in claim 3 or 4, which is characterized in that the fiber coupling portion
A ferrule is further included, wherein the ferrule is to fix the optical fiber.
7. light emitting secondary module structure-improved as described in claim 1, further includes a flexible circuit board, which is characterized in that
The laser diode group is electrical connected with the laser diode drive group by the flexible circuit board.
8. light emitting secondary module structure-improved as described in claim 1, which is characterized in that the laser diode group includes four
Laser diode, the laser diode drive group include four laser diode drives, which includes four
Collimation lens, there are four optical inputs for the input terminal tool of the light work device, and wherein four laser diode drives distinguish phase
Corresponding to four laser diodes, wherein four laser diodes correspond to four collimation lenses respectively, wherein should
Four collimation lenses correspond to four optical inputs of the input terminal of the light work device respectively.
9. light emitting secondary module structure-improved as claimed in claim 8, which is characterized in that four laser diodes it is each
Person is an external modulation laser diode.
10. light emitting secondary module structure-improved as claimed in claim 8, which is characterized in that the laser diode group further includes
Four inspection optical diodes, wherein this four inspection optical diodes correspond to four laser diodes respectively.
11. light emitting secondary module structure-improved as described in claim 1, which is characterized in that the lower section of the light work device is between this
There is an interval between electric heating cooling chip and the light work device support column.
12. light emitting secondary module structure-improved as described in claim 1, which is characterized in that a temperature sensor is further included,
In the temperature sensor be set on the electric heating cooling chip, and neighbouring laser diode group.
13. light emitting secondary module structure-improved as described in claim 1, which is characterized in that the Package boxes are by metal institute structure
At.
14. the light emitting secondary module structure-improved as described in any in claim 1 or 13, which is characterized in that constitute the light work
The material of device support column is identical as the material of the Package boxes is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244120.4U CN209542892U (en) | 2019-02-26 | 2019-02-26 | Light emitting secondary module structure-improved |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244120.4U CN209542892U (en) | 2019-02-26 | 2019-02-26 | Light emitting secondary module structure-improved |
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| CN209542892U true CN209542892U (en) | 2019-10-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610603A (en) * | 2019-02-26 | 2020-09-01 | 晶连股份有限公司 | Improved structure of light emission sub-module |
| CN111708131A (en) * | 2020-06-22 | 2020-09-25 | 武汉光迅科技股份有限公司 | Light emitting module and optical module |
-
2019
- 2019-02-26 CN CN201920244120.4U patent/CN209542892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610603A (en) * | 2019-02-26 | 2020-09-01 | 晶连股份有限公司 | Improved structure of light emission sub-module |
| CN111708131A (en) * | 2020-06-22 | 2020-09-25 | 武汉光迅科技股份有限公司 | Light emitting module and optical module |
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