CN205333202U - Self -focusing lens thermoelectric battery sensor - Google Patents
Self -focusing lens thermoelectric battery sensor Download PDFInfo
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- CN205333202U CN205333202U CN201520907087.0U CN201520907087U CN205333202U CN 205333202 U CN205333202 U CN 205333202U CN 201520907087 U CN201520907087 U CN 201520907087U CN 205333202 U CN205333202 U CN 205333202U
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Abstract
The utility model relates to a self -focusing lens thermoelectric battery sensor, self -focusing lens thermoelectric battery sensor is including the body that has the through -hole, the fixed setting infrared lens and setting that the through -hole department of body supplied the infrared light to see through are in the body internal induction is through the induction element of the infrared light of infrared lens focus. The utility model discloses a self -focusing lens thermoelectric battery sensor integrateed infrared printing opacity and focus function after the surface sets up the infrared lens that the infrared light saw through, let on the infrared light focuses on induction element, because lens only, have increased the transmissivity of infrared light, and the sensor size also can be accomplished to infrared lens's size simultaneously, reduces self -focusing lens thermoelectric battery sensor's size, has reduced the cost, and the purpose of longer distance accuracy detection is realized on simple and practical ground.
Description
Technical field
This utility model relates to infrared thermopile sensor, more particularly, it relates to a kind of GRIN Lens thermopile sensor。
Background technology
There is the problems such as larger in size, cost is high, measuring distance is shorter in the infrared thermopile sensor in correlation technique, as in figure 2 it is shown, subject matter is as follows:
1), infrared thermopile sensor generally use flat window infrared fileter (silicon) 4, but measuring distance only has 3cm-5cm；
2), flat window (silicon) infrared thermopile sensor add Fresnel Lenses (HDPE) 5, structure is too big, and infrared ray is serious through twice lens signal decay, and total transmitance is about 30%；
3), flat window (silicon) infrared thermopile sensor add germainium lens 6, structure is too big, costly；
4), infrared thermopile sensor and lens surface easily scratch。
Accordingly, it is desirable to provide the infrared thermopile sensor of a kind of low cost, small size, remote accurately detecting meets application demand。
Utility model content
The technical problems to be solved in the utility model is in that, it is provided that a kind of GRIN Lens thermopile sensor。
This utility model solves its technical problem and be the technical scheme is that a kind of GRIN Lens thermopile sensor of structure, including having the body of through hole, being fixedly installed on the Infrared Lens of the through hole confession infrared light of described body and be arranged on the sensing unit of the infrared light that described body internal induction focuses on through described Infrared Lens。
Preferably, described Infrared Lens is embedded in the through hole of described body；
The circumference of described Infrared Lens offers the edge for described through hole and is embedded in inlay card groove therein。
Preferably, described GRIN Lens thermopile sensor also includes base, and described body cap is located on described base；
Described sensing unit be arranged on described internal and be fixedly mounted on described base, and and described Infrared Lens interval arrange, be positioned at the focal position place of described Infrared Lens。
Preferably, described Infrared Lens is spherical lens or Semi-spherical face lenses or planar lens or ellipsoid lens or toroidal lens。
Preferably, described GRIN Lens thermopile sensor is TO encapsulating structure or SMD encapsulating structure。
Preferably, the outer surface of described Infrared Lens is formed with the film plating layer of the transmitance for controlling spectrum。
Preferably, the outer surface hardening of described Infrared Lens forms the anti-scratch layers of anti-scratch。
Preferably, described Infrared Lens is the lens that a kind of material in germanium, silicon, HDPE is formed；Or described Infrared Lens is the lens that the multiple material combination in germanium, silicon, HDPE is formed。
Implement GRIN Lens thermopile sensor of the present utility model, have the advantages that GRIN Lens thermopile sensor of the present utility model is integrated with infrared light transmission and focusing function, after through hole arranges the Infrared Lens of infrared light, infrared light is allowed to focus on sensing unit, due to only one of which lens, add the transmitance of infrared light, the size of Infrared Lens also can accomplish sensor size simultaneously, reduce the size of GRIN Lens thermopile sensor, decrease cost, realize the purpose of relatively long distance accurately detecting simple and practically。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the light sensitivity principles schematic diagram of the GRIN Lens thermopile sensor in this utility model embodiment；
Fig. 2 is the light sensitivity principles schematic diagram of the infrared thermopile sensor in background technology。
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing describes detailed description of the invention of the present utility model in detail。
As it is shown in figure 1, the GRIN Lens thermopile sensor in one preferred embodiment of this utility model includes having the body 1 of through hole, is fixedly installed on the through hole of body 1 for the Infrared Lens 2 of infrared light and the sensing unit 3 being arranged on the infrared light that body 1 internal induction focuses on through Infrared Lens 2。GRIN Lens thermopile sensor is TO encapsulating structure or SMD encapsulating structure, it is possible to for the encapsulating structure of other forms。
GRIN Lens thermopile sensor is integrated with infrared light transmission and focusing function, sensing unit 3 is directly focused on after infrared light Infrared Lens 2, sensing unit 3 senses, owing to only needing lens, add the transmitance of infrared light, the size of Infrared Lens 2 also can accomplish sensor size simultaneously, reduces the size of GRIN Lens thermopile sensor, decreases cost。
Infrared Lens 2 is spherical lens, Semi-spherical face lenses, planar lens, ellipsoid lens, toroidal lens or other types, infrared light can be allowed to converge on sensing unit 3, realizing the purpose of relatively long distance accurately detecting, detection range is up to 30cm-50cm simple and practically。Infrared Lens 2 is alternatively other kinds of lens, and infrared light can be allowed to converge on sensing unit 3。
In order to convenient and body 1 form integrative-structure, Infrared Lens 2 is embedded in the through hole of body 1, makes position opposing body 1 fix, improving stability。Further, the edge for through hole can also be offered at the circumference of Infrared Lens 2 and be embedded in inlay card groove therein。Sensing unit 3 is arranged in body 1, and and the setting of Infrared Lens 2 interval, it is positioned at the focal position place (it is of course possible to being arranged as required in the certain limit near focal position) of Infrared Lens 2, allows infrared light converge on sensing unit 3 after passing through Infrared Lens 2。
In the present embodiment, this Infrared Lens 2 is silicon lens, is of a size of 2mm-4mm, the function focusing on optical filter is integrated into one, forms integrative-structure with body 1, improves light transmission rate, reduces overall dimensions。It should be understood that this Infrared Lens 2 can be the lens that a kind of material in germanium, silicon, HDPE is formed。In other embodiments, the lens that the multiple material combination that Infrared Lens 2 is alternatively in germanium, silicon, HDPE is formed, can guarantee that normal printing opacity and optically focused。
Further, the outer surface of Infrared Lens 2 is formed with the film plating layer of the transmitance for controlling spectrum。In other embodiments, the outer surface hardening of Infrared Lens 2 forms the anti-scratch layers of anti-scratch, it is possible to promote the case hardness of Infrared Lens 2, it is prevented that be scratched and affect translucent effect。Preferably, anti-scratch layers and film plating layer are that same plated film coating is formed, and the material of plated film is not limit, and can control the transmitance of spectrum and promote case hardness。Certainly, it is possible to adopt the mode to Infrared Lens 2 Surface hardening treatment to make the outer surface of Infrared Lens 2 itself form the anti-scratch layers that hardness is higher。
Further, GRIN Lens thermopile sensor also includes base 8, and body 1 lid is located on base 8, and sensing unit 3 is arranged on originally internal and is fixedly mounted on base 8, and body 1 is provided with mean for the through hole that Infrared Lens 2 is installed。In the present embodiment, this sensing unit 3 includes thermoelectric pile sensing chip, senses the infrared signal through Infrared Lens 2 by thermoelectric pile sensing chip, carries out thermometric, temperature control, thermal field monitoring etc.。Further, this GRIN Lens thermopile sensor can also include critesistor 7, utilizes critesistor 7 to improve monitoring accuracy。It should be understood that can also arrange the circuit board being connected with PIN on base 8, thermoelectric pile sensing chip and critesistor 7 are installed on circuit boards, and are externally carried out the transmission of signal by PIN。
Corresponding, after the good raw material of early-stage preparations, the packaging technology of GRIN Lens thermopile sensor can comprise the following steps that
S1, one base 8 of offer, mount base 8 by the sensing unit 3 being used for sensing infrared light。
Preferably, GRIN Lens thermopile sensor may also include critesistor 7, corresponding, step S1 also includes: critesistor 7 utilizes elargol mount on the circuit board in base 8, and thermoelectric pile sensing chip utilizes epoxy resin plaster install on the circuit board in base 8, and can be covered by body 1, allow GRIN Lens thermopile sensor also can go sensing temperature accurately。Corresponding, above-mentioned attachment is required for through baking-curing after completing, and followed by techniques such as 3 dozens of gold threads of sensing unit, 7 dozens of aluminum steels of critesistor, forms electrical connection。
Further, step S2 is also included:
Thering is provided a body 1, body 1 is provided with through hole, is fixedly installed an Infrared Lens 2 and ensures sealing between the two on through hole。
In order to ensure the sealing between body 1 and Infrared Lens 2, in step s 2, the circumference of Infrared Lens 2 carries out annular gluing, and the Infrared Lens 2 after gluing is fixed on the through hole of body 1, carry out baking-curing, it is ensured that seal and fixed effect。In the present embodiment, the glue of painting is epoxy glue, and the temperature of baking-curing is 100-150 DEG C, and the time is 20-40 minute；Preferably, temperature is 120 DEG C, and the time is 30 minutes。
Further, step S3 is also included:
Body 1 lid is set on base 8 to sensing unit 3 and covers sealing, and makes sensing unit 3 relative with the inner face of Infrared Lens 2, allow the infrared luminous energy sensing unit 3 through Infrared Lens 2 sense。
Further, packaging technology is further comprising the steps of:
S4, body 1 is covered the space evacuation formed after base 8, and to vacuum space inflated with nitrogen, it is to avoid air is to internal parts oxidation。Then, body 1 and base 8 punching press relief are connected, it is ensured that stable connection。
S5, the seam soldering and sealing between body 1 and base 8 being sealed, the space and the external world that make inside are completely isolated, it is to avoid air enters。
Finally again the assembly after assembling is tested。
The application of self-focusing infrared thermopile sensor includes thermometric, temperature control, thermal field monitoring, sensing and other application when existing, when sensing, Infrared converges to sensing unit 3 through after Infrared Lens 2, produce corresponding temperature signal, thus playing the effects such as thermometric, detection, monitoring。
It is to be appreciated that above-mentioned each technical characteristic can use and unrestricted in any combination。
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model。
Claims (9)
1. a GRIN Lens thermopile sensor, it is characterized in that, including there is the body (1) of through hole, being fixedly installed on the Infrared Lens (2) of the through hole confession infrared light of described body (1) and be arranged on the sensing unit (3) of the infrared light that described body (1) internal induction focuses on through described Infrared Lens (2)。
2. GRIN Lens thermopile sensor according to claim 1, it is characterised in that described Infrared Lens (2) is embedded in the through hole of described body (1)；
The circumference of described Infrared Lens (2) offers the edge for described through hole and is embedded in inlay card groove therein。
3. GRIN Lens thermopile sensor according to claim 1, it is characterised in that described GRIN Lens thermopile sensor also includes base (8), described body (1) lid is located on described base (8)；
Described sensing unit (3) is arranged in described body (1) and is fixedly mounted on described base (8), and and the setting of described Infrared Lens (2) interval, it is positioned at the focal position place of described Infrared Lens (2)。
4. GRIN Lens thermopile sensor according to claim 1, it is characterised in that described Infrared Lens (2) is toroidal lens。
5. GRIN Lens thermopile sensor according to claim 1, it is characterised in that described Infrared Lens (2) is spherical lens or Semi-spherical face lenses or planar lens or ellipsoid lens。
6. GRIN Lens thermopile sensor according to claim 1, it is characterised in that described GRIN Lens thermopile sensor is TO encapsulating structure or SMD encapsulating structure。
7. the GRIN Lens thermopile sensor according to any one of claim 1 to 6, it is characterised in that the outer surface of described Infrared Lens (2) is formed with the film plating layer of the transmitance for controlling spectrum。
8. the GRIN Lens thermopile sensor according to any one of claim 1 to 6, it is characterised in that the outer surface hardening of described Infrared Lens (2) forms the anti-scratch layers of anti-scratch。
9. the GRIN Lens thermopile sensor according to any one of claim 1 to 6, it is characterised in that the lens that described Infrared Lens (2) is germanium, a kind of material in silicon, HDPE is formed；Or described Infrared Lens (2) be germanium, the lens that formed of multiple material combination in silicon, HDPE。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907087.0U CN205333202U (en) | 2015-11-13 | 2015-11-13 | Self -focusing lens thermoelectric battery sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907087.0U CN205333202U (en) | 2015-11-13 | 2015-11-13 | Self -focusing lens thermoelectric battery sensor |
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| CN205333202U true CN205333202U (en) | 2016-06-22 |
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| CN201520907087.0U Active CN205333202U (en) | 2015-11-13 | 2015-11-13 | Self -focusing lens thermoelectric battery sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080272A1 (en) * | 2015-11-13 | 2017-05-18 | 深圳通感微电子有限公司 | Self-focusing lens thermopile sensor and assembly process thereof |
| CN115704927A (en) * | 2021-08-03 | 2023-02-17 | 科瑞工业自动化系统（苏州）有限公司 | Receiving device for photoelectric sensor based on lens coating and operation method thereof |
-
2015
- 2015-11-13 CN CN201520907087.0U patent/CN205333202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017080272A1 (en) * | 2015-11-13 | 2017-05-18 | 深圳通感微电子有限公司 | Self-focusing lens thermopile sensor and assembly process thereof |
| CN115704927A (en) * | 2021-08-03 | 2023-02-17 | 科瑞工业自动化系统（苏州）有限公司 | Receiving device for photoelectric sensor based on lens coating and operation method thereof |
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