CN208187562U - Patch type pyroelectric infrared sensor - Google Patents
Patch type pyroelectric infrared sensor Download PDFInfo
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- CN208187562U CN208187562U CN201820604556.5U CN201820604556U CN208187562U CN 208187562 U CN208187562 U CN 208187562U CN 201820604556 U CN201820604556 U CN 201820604556U CN 208187562 U CN208187562 U CN 208187562U
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- fixed block
- fixedly connected
- circuit board
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- pipe cap
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Abstract
The utility model discloses a kind of patch type pyroelectric infrared sensors, including substrate, pipe cap is equipped on the upside of the substrate, first upper end of fixing block face is equipped with the first groove, sensing element is equipped in first groove, at left and right sides of first fixed block and downside is equipped with damping spring, circuit board is equipped on the downside of the substrate, two the second grooves are symmetrically arranged on the upside of the circuit board, the second fixed block is equipped in two second grooves, limited block is equipped on the upside of second fixed block, it is horizontal in second groove to be equipped with limit spring, described limit spring one end is fixedly connected with the second fixed block, the third recess sidewall is equipped with and the matched limiting slot of chock, the circuit board upper surface is fixedly connected with limited post, the substrate lower end surface is equipped with and the matched limit hole of limited post.The utility model is structurally reasonable, and is reinforced to the connection type of welding, and is protected to internal sensing element.
Description
Technical field
The utility model relates to pyroelectric infrared sensor technical fields more particularly to a kind of patch type rpyroelectric infrared to pass
Sensor.
Background technique
Pyroelectric infrared sensor is a kind of sensor for utilizing detection infra-red radiation made of pyroelectric effect principle, energy
Enough infrared rays for launching of detection people or certain animals etc., it is defeated after a series of actions such as filtering, amplifying to be converted to electric signal
Out.Existing pyroelectric infrared sensor is typically all patch type, carries out soldering on circuit boards using hot air reflux, but this
Kind welding manner is not firm enough, is easy to produce and falls off, but soldering is optimal fixed form, it is therefore desirable to add to connection
Gu；Existing pyroelectric infrared sensor not can be reduced the influence vibrated to internal sensing element simultaneously.
For this purpose, it is proposed that a kind of patch type pyroelectric infrared sensor solves the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of patch type heat proposed is released
Electric infrared sensor.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of patch type pyroelectric infrared sensor, including substrate, the substrate upside are equipped with pipe cap, set in the pipe cap
There is the first fixed block, the pipe cap upper end is equipped with opening, and first upper end of fixing block extends to outside pipe cap, and described first is fixed
Block upper surface is equipped with the first groove, and sensing element, the first fixed block left and right sides and downside are equipped in first groove
It is equipped with damping spring, described damping spring one end is fixedly connected with the first fixed block, and in the damping spring other end and pipe cap
Side wall is fixedly connected, and circuit board is equipped on the downside of the substrate, is symmetrically arranged with two the second grooves, two institutes on the upside of the circuit board
It states and is equipped with the second fixed block in the second groove, limited block is equipped on the upside of second fixed block, the limited block and second are consolidated
Determine block to be fixedly connected, the limited block is fixedly connected with chock far from one end of circuit board, and level is equipped in second groove
Limit spring, described limit spring one end are fixedly connected with the second fixed block, and the limit spring other end and the fixed company of circuit board
It connects, the substrate lower end surface is equipped with third groove corresponding with two the second groove locations respectively, in the third recess sidewall
Equipped with the matched limiting slot of chock, the circuit board upper surface is fixedly connected with limited post, the substrate lower end surface be equipped with
The matched limit hole of limited post.
Preferably, second lower end of fixing block face is fixedly connected with sliding block, and the circuit board is equipped with matched with sliding block
Sliding slot.
Preferably, it is arranged with rubber ring outside first fixed block, the rubber ring is fixedly connected with pipe cap.
Preferably, the sensing element includes the signal processing circuit being arranged in the first groove, and signal processing circuit
It is fixedly connected with the first fixed block, infrared-sensitive member is equipped on the upside of the signal processing circuit, and infrared-sensitive member is consolidated with first
Determine block to be fixedly connected, infrared-sensitive member upside is equipped with infrared optics optical filter, and infrared optics optical filter and first is fixed
Block is fixedly connected.
Preferably, the pipe cap has round, rectangle or other polygonal shapes, and the opening of pipe cap upper surface has
Rectangle or other polygonal shapes.
Compared with prior art, the utility model has the following beneficial effects: being fixedly connected with pipe cap on substrate, by pipe cap
It is inside equipped with the first fixed block, the first upper end of fixing block extends to outside pipe cap, is equipped in first groove in the first upper end of fixing block face
Sensing element can carry out realizing sensor effect, by the way that damping spring is arranged, can carry out damping to the first fixed block, subtract
Influence of few vibration to sensing element, by the way that the second fixed block is arranged in groove on circuit boards, the second fixed block passes through limit
Position block is fixedly connected with chock, is limited by limit spring to the second fixed block, substrate lower end surface and the matched limit of chock
Position slot, the fixation that substrate can be consolidated on circuit boards, then carry out soldering, so that connection is more firm, is not easy to take off
Fall, circuit board upper surface is fixedly connected with limited post, substrate lower end surface be equipped with the matched limit hole of limited post, so as to standard
True installs correct position on circuit boards for original part.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of patch type pyroelectric infrared sensor structural schematic diagram；
Fig. 2 be the utility model proposes a kind of patch type pyroelectric infrared sensor external structure schematic diagram；
Fig. 3 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 substrate, 2 pipe caps, 3 first fixed blocks, 4 signal processing circuits, 5 infrared-sensitives member, 6 infrared optics filter
Piece, 7 damping springs, 8 circuit boards, 9 second fixed blocks, 10 limited blocks, 11 chocks, 12 limit springs, 13 limited posts, 14 sliding blocks,
15 rubber rings, 16 sensing elements.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of patch type pyroelectric infrared sensor, including substrate 1 are equipped with pipe cap 2, pipe on the upside of substrate 1
The first fixed block 3 is equipped in cap 2,2 upper end of pipe cap is equipped with opening, pipe cap there is round, rectangle or other polygonal shapes, and
The opening of pipe cap upper surface has rectangle or other polygonal shapes, adapts to different demands, and 3 upper end of the first fixed block extends
To outside pipe cap 2, it is arranged with rubber ring 15 outside the first fixed block 3, auxiliary damping can be carried out, avoids the first fixed block 3 and pipe cap 2
Collision is generated, rubber ring 15 is fixedly connected with pipe cap 2, and 3 upper surface of the first fixed block is equipped with the first groove, is equipped in the first groove
Sensing element 16, sensing element 16 include the signal processing circuit 4 that is arranged in the first groove, and signal processing circuit 4 and the
One fixed block 3 is fixedly connected, and infrared-sensitive member 5, and infrared-sensitive member 5 and the first fixed block 3 are equipped on the upside of signal processing circuit 4
It is fixedly connected, 5 upside of infrared-sensitive member is equipped with infrared optics optical filter 6, and infrared optics optical filter 6 and the first fixed block 3 are solid
Fixed connection, the effect that can be sensed.
First fixed block, 3 left and right sides and downside are equipped with damping spring 7, reduce influence of the vibration to sensing element 16,
7 one end of damping spring is fixedly connected with the first fixed block 3, and 7 other end of damping spring is fixedly connected with 2 inner sidewall of pipe cap, base
It is equipped with circuit board 8 on the downside of plate 1, is symmetrically arranged with two the second grooves on the upside of circuit board 8, it is solid that second is equipped in two the second grooves
Determine block 9,9 lower end surface of the second fixed block is fixedly connected with sliding block 14, and circuit board 8 is equipped with solid with the matched sliding slot of sliding block 14, second
Determine to be equipped with limited block 10 on the upside of block 9, limited block 10 is fixedly connected with the second fixed block 9, the one end of limited block 10 far from circuit board 8
It is fixedly connected with chock 11, level is equipped with limit spring 12 in the second groove, and limit spring 12 carries out elasticity to the second fixed block 9
Limit, to reinforce to connection, 12 one end of limit spring is fixedly connected with the second fixed block 9, and limit spring 12 is another
End is fixedly connected with circuit board 8, and 1 lower end surface of substrate is equipped with third groove corresponding with two the second groove locations respectively, third
Recess sidewall be equipped with the matched limiting slot of chock 11,8 upper surface of circuit board is fixedly connected with limited post 13,1 lower end of substrate
Face is equipped with and the matched limit hole of limited post 13, it can be ensured that device accurately installs correct position on circuit boards.
In the utility model, by being equipped with the first fixed block 3 in pipe cap 2,2 upper end of pipe cap is equipped with opening, the first fixed block 3
Upper end extends to pipe cap outer 2, and 3 upper surface of the first fixed block is equipped with the first groove, is equipped with sensing element 16 in the first groove, thus
Sensing effect can be carried out, 3 left and right sides of the first fixed block and downside are equipped with damping spring 7,7 one end of damping spring and first
Fixed block 3 is fixedly connected, and 7 other end of damping spring is fixedly connected with 2 inner sidewall of pipe cap, can be carried out to the first fixed block 3
Damping is equipped with circuit board 8 on the downside of substrate 1, and substrate 1 is pressed to circuit board 8, because of the presence of third groove, chock 11 generates position
It moves, the second fixed block 9 generates displacement at this time, when chock 11 moves upward to limit groove location, because of the limit of limit spring 12
Effect, so that chock 11 enters limiting slot, so as to reinforce to connection, 8 upper surface of circuit board is fixedly connected with limit
Column 13,1 lower end surface of substrate be equipped with the matched limit hole of limited post 13, guarantee the correctness of installation site.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of patch type pyroelectric infrared sensor, including substrate (1), it is characterised in that: be equipped with pipe on the upside of the substrate (1)
Cap (2), the pipe cap (2) is interior to be equipped with the first fixed block (3), and pipe cap (2) upper end is equipped with opening, first fixed block
(3) upper end extends to pipe cap (2) outside, and the first fixed block (3) upper surface is equipped with the first groove, is equipped in first groove
Sensing element (16), the first fixed block (3) left and right sides and downside are equipped with damping spring (7), the damping spring (7)
One end is fixedly connected with the first fixed block (3), and damping spring (7) other end is fixedly connected with pipe cap (2) inner sidewall, the base
Circuit board (8) are equipped on the downside of plate (1), are symmetrically arranged with two the second grooves, two second grooves on the upside of the circuit board (8)
It is inside equipped with the second fixed block (9), is equipped with limited block (10) on the upside of second fixed block (9), the limited block (10) and the
Two fixed blocks (9) are fixedly connected, and the limited block (10) is fixedly connected with chock (11) far from the one end of circuit board (8), described
Horizontal in second groove to be equipped with limit spring (12), described limit spring (12) one end is fixedly connected with the second fixed block (9), and
Limit spring (12) other end is fixedly connected with circuit board (8), substrate (1) lower end surface be equipped with respectively with two the second grooves
The corresponding third groove in position, the third recess sidewall are equipped with and chock (11) matched limiting slot, the circuit board (8)
Upper surface is fixedly connected with limited post (13), and substrate (1) lower end surface is equipped with and limited post (13) matched limit hole.
2. a kind of patch type pyroelectric infrared sensor according to claim 1, which is characterized in that second fixed block
(9) lower end surface is fixedly connected sliding block (14), and the circuit board (8) is equipped with and sliding block (14) matched sliding slot.
3. a kind of patch type pyroelectric infrared sensor according to claim 1, which is characterized in that first fixed block
(3) it is arranged with rubber ring (15) outside, the rubber ring (15) is fixedly connected with pipe cap (2).
4. a kind of patch type pyroelectric infrared sensor according to claim 1, which is characterized in that the sensing element
It (16) include the signal processing circuit (4) being arranged in the first groove, and signal processing circuit (4) and the first fixed block (3) are solid
Fixed connection, signal processing circuit (4) upside are equipped with infrared-sensitive member (5), and infrared-sensitive first (5) and the first fixed block
(3) be fixedly connected, the infrared-sensitive is equipped with infrared optics optical filter (6) on the upside of first (5), and infrared optics optical filter (6) with
First fixed block (3) is fixedly connected.
5. a kind of patch type pyroelectric infrared sensor according to claim 1, which is characterized in that the pipe cap (2)
With round, rectangle or other polygonal shapes, and the opening of pipe cap upper surface has rectangle or other polygonal shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604556.5U CN208187562U (en) | 2018-04-26 | 2018-04-26 | Patch type pyroelectric infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604556.5U CN208187562U (en) | 2018-04-26 | 2018-04-26 | Patch type pyroelectric infrared sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208187562U true CN208187562U (en) | 2018-12-04 |
Family
ID=64434802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820604556.5U Active CN208187562U (en) | 2018-04-26 | 2018-04-26 | Patch type pyroelectric infrared sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208187562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945980A (en) * | 2019-03-28 | 2019-06-28 | 东莞传晟光电有限公司 | A kind of stamp hole bond pad surface pasting type pyroelectric sensor |
| CN110108369A (en) * | 2019-04-25 | 2019-08-09 | 东莞传晟光电有限公司 | A kind of surface attaching type pyroelectric sensor and its installation method |
-
2018
- 2018-04-26 CN CN201820604556.5U patent/CN208187562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945980A (en) * | 2019-03-28 | 2019-06-28 | 东莞传晟光电有限公司 | A kind of stamp hole bond pad surface pasting type pyroelectric sensor |
| CN110108369A (en) * | 2019-04-25 | 2019-08-09 | 东莞传晟光电有限公司 | A kind of surface attaching type pyroelectric sensor and its installation method |
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