CN206754881U - Light source assembly and the gas sensor with the light source assembly - Google Patents
Light source assembly and the gas sensor with the light source assembly Download PDFInfo
- Publication number
- CN206754881U CN206754881U CN201720443578.3U CN201720443578U CN206754881U CN 206754881 U CN206754881 U CN 206754881U CN 201720443578 U CN201720443578 U CN 201720443578U CN 206754881 U CN206754881 U CN 206754881U
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- China
- Prior art keywords
- light source
- source assembly
- cavity
- lens
- gas sensor
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Abstract
The utility model provides a kind of light source assembly and the gas sensor with the light source assembly, the light source assembly is arranged on the electrode on the shell including shell, light source chip and at least two, the shell sets to the concave formed with cavity from side, and there is an opening in the side for forming cavity, the light source chip is fixed in the cavity and exposed from the outward opening, the light source chip and at least two electrodes are electrically connected with, and the light source assembly is also included to block the lens of the opening.Gas sensor of the present utility model, using light source assembly of the present utility model, small volume, in light weight, energy consumption is low；Light source assembly of the present utility model, by setting the lens to coordinate with ceramic cartridge, so as on the one hand require size that is relatively low and reducing the light source assembly to ceramic cartridge, on the other hand, the type of the lens can select as needed, convenient use and can reduce cost.
Description
Technical field
It the utility model is related to a kind of light source assembly and the gas sensor with the light source assembly.
Background technology
Existing light source assembly has Can and the integrally formed snoot of Can and is fixed in Can
Light source chip.However, in order to realize spotlight effect, snoot must reach certain precision and size, under the prior art,
The oversized of light source assembly will certainly be caused in order to reach such precision and size, can also accordingly increase cost, so as to
Restrict its scope of application.
In addition, the light source assembly of large-size can also increase the size of the gas sensor using this kind of light source assembly.
In view of this, it is necessary to existing light source assembly and gas sensor are improved, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of light source assembly and the gas sensor with the light source assembly, with solution
Certainly light source assembly and the problem of oversized gas sensor in the prior art.
To achieve the above object, the utility model provides a kind of light source assembly, and the light source assembly includes shell, light source
Chip and at least two electrode on the shell being arranged on, the shell sets to the concave formed with cavity from side, and in shape
There is an opening into the side of cavity, the light source chip is fixed in the cavity and exposed from the outward opening, described
Light source chip and at least two electrodes are electrically connected with, and the light source assembly is also included to block the lens of the opening.
As further improvement of the utility model, the lens are one kind in planar lens, concavees lens, convex lens.
As further improvement of the utility model, the shell is ceramic cartridge, the lens and the ceramic cartridge
By bonding connection or mechanically connecting.
As further improvement of the utility model, the shell in the profile for forming the cavity for cuboid or just
Cube or cylinder, its length of side or diameter range are between 1-10mm.
The utility model also provides a kind of gas sensor, including circuit board and the lid formed with cavity, the circuit
Plate is fixedly connected with lid, and the passage of the cavity and extraneous air is communicated with the lid, it is characterised in that：It is described
Gas sensor also includes detector and above-mentioned light source assembly, and the first groove for connecting the cavity is additionally provided with the lid
With the second groove, the light source assembly and the detector are electrically connected between the lid and the circuit board
On the circuit board, and respectively from first groove and the second groove towards cavity in exposure.
As further improvement of the utility model, the inwall of the cavity is coated with metal level to improve the reflectivity of light.
As further improvement of the utility model, the lid is also included to cover the waterproof and breathable of the passage
Film.
As further improvement of the utility model, the lid includes upper cover body and lower cover, and the cavity is formed
Between the upper cover body and lower cover, it is provided with to separate the convex of the detector and the light source assembly in the cavity
Rise.
The beneficial effects of the utility model are：Gas sensor of the present utility model, use light source group of the present utility model
Part, small volume, in light weight, energy consumption is low；Light source assembly of the present utility model, by setting the lens to coordinate with ceramic cartridge,
So as on the one hand require ceramic cartridge size that is relatively low and reducing the light source assembly, on the other hand, the type of the lens
It can as needed select, convenient use and cost can be reduced.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model gas sensor；
Fig. 2 is the decomposition texture schematic diagram of the utility model gas sensor；
Fig. 3 is the structural representation of the lower cover of gas sensor in Fig. 2；
Fig. 4 is the overall structure diagram of light source assembly of the present utility model；
Fig. 5 is the decomposition texture schematic diagram of light source assembly of the present utility model.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model embodiment provides a kind of light source assembly, and the light source assembly 200 includes shell 4, light source
Chip 5, lens 6 and at least two are arranged on the electrode 7 on the shell 4.
The shell 4 sets to the concave formed with cavity 41 from side, and has an opening 42 in the side for forming cavity 41.
In the present embodiment, the shell 4 is ceramic cartridge, offers the depressed part 43 of inside and outside connection on the ceramic cartridge along four walls,
At least two electrodes 7 are arranged in the depressed part 43.
In the present embodiment, the shell 4 is cuboid either square or cylinder in the profile of the formation cavity 41,
Its length of side or diameter range are between 1-10mm.Further, in the present embodiment, ceramic cartridge is cuboid, and long 3mm,
Wide 3mm, high 1mm, the light source chip 5 are square sheets, length of side 2mm.
In other embodiments, the shell 4 or other shapes.
The light source chip 5 is located in the cavity 41 and from the opening 42 outwards exposure, the light source chip 5 with extremely
Few two electrodes 7 are electrically connected with, and at least two electrodes 7 with external power source being connected.In the present embodiment, the light source
Chip 5 is electrically connected with by welding manner and at least two electrodes 7, is also secured in the cavity 41.
The lens 6 are connected or mechanically connected by bonding with the ceramic cartridge 4.
The lens 6 are one kind in planar lens, concavees lens, convex lens., can be with when the lens 6 are convex lens
Play a part of optically focused, and when lens 6 are concavees lens, astigmatism can be played a part of, can be selected as needed different
Lens 6 and realize different effects.
The material of the lens 6 is the optical material of transmission 430nm ~ 16um wave bands, specially sapphire, GaF2（Fluorination
Calcium）Or MgF2（Magnesium fluoride）.
Gas sensor 100 of the present utility model includes circuit board 1, the lid 2 for being internally formed cavity 23, detector 3
With above-mentioned light source assembly 200.
The circuit board 1 includes pin 11, and side of the circuit board 1 away from the pin 11 is set towards the lid 2
Put, the circuit board 1 and the lid 2 are connected or mechanically connected by bonding, and are specifically as follows and are snapped connection, are glued or spiral shell
The modes such as nail connection；In the present embodiment, the lid 2 is fixedly connected with the circuit board 1 by screw 12.The detector 3
It is electrically connected with the light source assembly 200 with the circuit board 1.
The lid 2 includes upper cover body 21 and lower cover 22, the cavity 23 formed the upper cover body 21 and it is described under
Between lid 22.The lower cover 22 is positioned close to the side of the circuit board 1, and the upper cover body 21 is arranged far from described
The side of circuit board 1.
It is communicated with the passage 24 of the cavity 23 and extraneous air on the lid 2, the passage 24 is protecting
It is consistent with the air in the cavity 23 to demonstrate,prove extraneous air.Further, the lid 2 is also included to cover the passage
24 waterproof ventilated membrane 25, the waterproof ventilated membrane 25 prevent from polluting cavity 23 to obstruct steam and particulate matter etc..This implementation
In example, the passage 24 is arranged in the upper cover body 21, is set through the upper cover body 21, and accordingly, the waterproof is saturating
Air film 25 is also disposed in the upper cover body 21.
The first groove 26 and the second groove 27 for connecting the cavity 23, the He of detector 3 are additionally provided with the lid 2
The light source assembly 200 respectively from the groove 27 of the first groove 26 and second towards the cavity 23 in exposure, with towards institute
State and light intensity is lighted and detected in cavity 23.
In the present embodiment, the groove 27 of the first groove 26 and second is disposed side by side on lower cover 22, the cavity 23
Inside it is provided with the projection 231 for separating the detector 3 and the light source assembly 200, described raised 231 from the lower cover
22 connect towards the projection of upper cover body 21 and closely.Raised 231 light to prevent light source assembly 200 from sending directly supports
Up to detector 3, the effect for extending light path is realized.
The inwall of the cavity 23 is coated with metal to improve the reflectivity of light.In the present embodiment, the metal for gold or
Aluminium.The cavity 23 after metal is plated, light multiple reflections in cavity 23 is may be such that, increases the length of light path, so as to improve detection
Accuracy of detection.
In the present embodiment, the light source assembly 200 is to launch infrared light, and specific gas can absorb specific frequency in air
Infrared light, so as to which detector 3 is according to the infrared light received, judge the light intensity of the infrared light of foregoing specific frequency, Jin Erji
Calculate the concentration of specific gas.
In addition, the size of light source assembly 200 of the present embodiment is small, so as to reduce the size of the gas sensor 100
Mitigate the weight of the gas sensor 100 simultaneously.
Gas sensor 100 of the present utility model, using light source assembly 200 of the present utility model, small volume, it is in light weight,
Energy consumption is low, light source assembly 200 of the present utility model, by setting the lens 6 to coordinate with ceramic cartridge, so as on the one hand to pottery
Porcelain tube shell requires size that is relatively low and reducing the light source assembly, and on the other hand, the type of the lens 6 can be come as needed
Selection, convenient use and can reduce cost.
Above example is only to illustrate the technical solution of the utility model and unrestricted, although with reference to preferred embodiment pair
The utility model is described in detail, it will be understood by those within the art that, can be to technology of the present utility model
Scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solutions of the utility model.
Claims (8)
- A kind of 1. light source assembly, it is characterised in that：The light source assembly is arranged on institute including shell, light source chip and at least two The electrode on shell is stated, the shell sets to the concave formed with cavity from side, and has an opening in the side for forming cavity, The light source chip is fixed in the cavity and exposed from the outward opening, the light source chip and at least two electricity Pole is electrically connected with, and the light source assembly is also included to block the lens of the opening.
- 2. light source assembly according to claim 1, it is characterised in that：The lens are planar lens, concavees lens, convex lens In one kind.
- 3. light source assembly according to claim 1, it is characterised in that：The shell is ceramic cartridge, the lens and institute Ceramic cartridge is stated to connect or mechanically connect by bonding.
- 4. light source assembly according to claim 1, it is characterised in that：The shell is length in the profile for forming the cavity Cube either square or cylinder, and the length of side or diameter range are between 1-10mm.
- 5. a kind of gas sensor, including circuit board and the lid formed with cavity, the circuit board are fixedly connected with lid, institute State the passage that the cavity and extraneous air are communicated with lid, it is characterised in that：The gas sensor also includes visiting Device and the light source assembly as described in claim 1-4 any one are surveyed, the first of the connection cavity is additionally provided with the lid Groove and the second groove, the light source assembly and the detector are electrical between the lid and the circuit board, and Be connected on the circuit board, and respectively from first groove and the second groove towards cavity in exposure.
- 6. gas sensor according to claim 5, it is characterised in that：The inwall of the cavity is coated with metal level to improve The reflectivity of light.
- 7. gas sensor according to claim 5, it is characterised in that：The lid is also included to cover the ventilation The waterproof ventilated membrane in hole.
- 8. gas sensor according to claim 5, it is characterised in that：The lid includes upper cover body and lower cover, institute State cavity to be formed between the upper cover body and lower cover, be provided with to separate the detector and the light in the cavity The projection of source component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443578.3U CN206754881U (en) | 2017-04-25 | 2017-04-25 | Light source assembly and the gas sensor with the light source assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720443578.3U CN206754881U (en) | 2017-04-25 | 2017-04-25 | Light source assembly and the gas sensor with the light source assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754881U true CN206754881U (en) | 2017-12-15 |
Family
ID=60614550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720443578.3U Active CN206754881U (en) | 2017-04-25 | 2017-04-25 | Light source assembly and the gas sensor with the light source assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754881U (en) |
-
2017
- 2017-04-25 CN CN201720443578.3U patent/CN206754881U/en active Active
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