CN106404188A - Anti-compression impact-resistant pyroelectric infrared detector - Google Patents
Anti-compression impact-resistant pyroelectric infrared detector Download PDFInfo
- Publication number
- CN106404188A CN106404188A CN201610727520.1A CN201610727520A CN106404188A CN 106404188 A CN106404188 A CN 106404188A CN 201610727520 A CN201610727520 A CN 201610727520A CN 106404188 A CN106404188 A CN 106404188A
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- Prior art keywords
- pipe cap
- resistance
- printed board
- infrared detector
- pyroelectric infrared
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- 238000007906 compression Methods 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 26
- 230000035939 shock Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001133 acceleration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
Abstract
The invention discloses an anti-compression impact-resistant pyroelectric infrared detector, and belongs to the technical field of detection equipment. The detector structurally comprises a tube cap, one end surface of the tube cap is provided with an infrared window sheet, the other end of the tube cap cooperates with a tube seat, the edge of the infrared sheet is provided with a carriage, one side of the carriage supports the infrared window sheet, and the other side of the carriage is fixedly connected to the inner side of the tube cap; and a printed board is arranged in a cavity formed by the tube cap and the tube seat, a sensitive element is mounted in the front side of the printed board, the back side of the printed board is provided with a pin, and the pin penetrates the tube seat and extends to outside of the tube seat. The flexible element is mounted on the printed board via a support column, and a pad is arranged between the printed board and the tube seat. The detector is provided with the carriage to support the infrared window sheet, the support column and the pad are also arranged, and the anti-compression and impact-resistant capabilities of the detector are improved greatly.
Description
Technical field
The present invention relates to detecting devices technical field, specifically a kind of resistance to compression shock resistance pyroelectric infrared detector.
Background technology
Infrared Detectors is that the energy that sightless infrared energy is transformed into the form of energy that other is easy to measurement turns
Change device, be mainly used in detection human motion, illegal invasion and report to the police.Under the promotion of correlation technique development, as high-new skill
The infrared detection technique of art will be more extensive in following application, and status is more important.Core as infrared machine system is closed
Key member, the research of Infrared Detectors is the center of Infrared Physics ＆ Technology development all the time.
Pyroelectric infrared detector is one kind of Infrared Detectors, has itself and does not send out radiation, device work(any kind of
Consumption very little, good concealment, cheap the advantages of, be applied in a lot of fields, but, existing pyroelectric infrared detector
It is bonding connection between infrared window on pipe cap and pipe cap, between sensitive unit and printed board and equal between printed board and base
There is gap, when detector is applied on the carrier of high-speed mobile, each element of detector is easily in pressure and impulsive force
Impaired under effect, lead to the damage of pyroelectric infrared detector.
Content of the invention
For above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of overload-resistant rpyroelectric infrared detects
Device, this detector resistance to compression strong shock resistance, it is prevented effectively from detector damaged.
The technical scheme that the present invention solves that its technical problem taken is：A kind of resistance to compression shock resistance rpyroelectric infrared detects
Device, including pipe cap, an end face of described pipe cap is provided with infrared window, and the other end of pipe cap is matched with base, described
The edge of infrared window is provided with bracket, and infrared window is held in described bracket side, and bracket opposite side is fixedly connected in pipe cap
Side；It is provided with printed board with base in the cavity that pipe cap is formed, the front of printed board is provided with sensitive unit, the back side peace of printed board
Equipped with pin, described pin extends to the outside of base through base.
By bracket, infrared window is formed and support, greatly improve the shock proof ability of resistance to compression of infrared window, in height
It is impaired that pressure is prevented effectively from infrared window.The present invention ensures the overload-resistant coefficient of window of detector, protects infrared window using bracket
Piece, increases the contact area between infrared window and pipe cap wicket, window is moved on pipe cap center simultaneously, dispersion
It is ensured that detector is under acceleration of gravity, assembly remains to normal work to the impulsive force of overload impact.
Further technical scheme is：Described sensitive unit is arranged in printed board by support column；Described support column
The area of cross section is not less than the area of the lower surface of sensitive unit.Support column forms for sensitive unit and supports, and makes sensitive unit permissible
Bear forward and reverse impulsive force, improve detector resistance to compression impact resistance.
Further technical scheme is：It is provided with pad, the upper surface of pad and printed board between described printed board and base
It is fixedly connected, the lower surface of pad is fixedly connected with base；The area of the cross section of described pad is not less than the following table of printed board
The area in face.Pad support, between printed board and base, eliminates the gap between printed board and base, pad is to printed board
Form supporting role, improve the shock proof ability of printed board resistance to compression.
Further technical scheme is：If described bracket includes dry support arm, described support member is around pipe cap end face
Center is in that divergent shape is distributed, and one end of support member is fixedly connected on side wall or the end face of pipe cap, and the other end of support member props up
Support is at the edge of infrared window.
The uniform divergent shape of bracket is distributed, and forms some strong points to infrared window, lifts its resistance to compression impact resistance.?
Support member can be set to l-shaped member, and one end of l-shaped member is fixedly connected on the side wall of pipe cap, and the other end of l-shaped member is supported on red
The edge of outer window；Support member also can be set to U-shaped component, and one end of U-shaped component is fixedly connected on the end face of pipe cap, U-shaped structure
The other end of part is supported on the edge of infrared window；Support member is it can also be provided that two transverse support bar and a longitudinal bracing
The component of bar composition, vertical supporting bar is connected between two transverse support bar, and a transverse support bar holds infrared window, separately
One transverse support bar is fixedly connected with the end face of pipe cap.
Further technical scheme is：One end that described bracket is contacted with infrared window is provided with the first support ring, described
Infrared window is held by the first support ring along the edge of infrared window.First support ring is set, bracket can be made to infrared window
Edge form the support of uniformly continuous, support effect is more preferable.
Further technical scheme is：Described bracket is provided with the second support ring with the junction of pipe cap, and the second support ring is solid
Surely it is connected on side wall or the end face of pipe cap.Second support ring is set, can make to be formed uniformly continuous between bracket and pipe cap
Connection, make being more firmly mounted of bracket, make the resistance to compression impact resistance of detector higher.
Further technical scheme is：Described pipe cap is closed for one end, the cylindrical grooves of one end open, described infrared
Window is arranged on the end face of pipe cap blind end, the openend cooperation of described base and pipe cap by the closure of openings on pipe cap.
Project light onto after infrared window filtering clutter in sensitive unit, on pipe cap, bracket is welded on pipe cap to infrared window bonding connection
Interior.
For ease of installation in other equipment for the detector, further technical scheme is：The openend of described pipe cap
Edge is provided with a circle flange, and what the outside of described flange was symmetrical is provided with two projections.
The invention has the beneficial effects as follows：
1st, ensure the overload-resistant coefficient of window of detector, infrared window is protected using bracket, increase infrared window and pipe cap
Contact area between wicket, moves to window on pipe cap center simultaneously, has disperseed the impulsive force of overload impact, protects
Demonstrate,prove detector under acceleration of gravity, assembly remains to normal work.
2nd, sensitive unit is arranged in printed board by support column；The area of the cross section of described support column is not less than sensitive unit
Lower surface area.Support column forms for sensitive unit and supports, and makes sensitive unit can bear forward and reverse impulsive force, improves and visit
Survey device resistance to compression impact resistance.
3rd, it is provided with pad between described printed board and base, pad support, between printed board and base, eliminates printing
Gap between plate and base, pad forms supporting role to printed board, improves the shock proof ability of printed board resistance to compression.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention one.
In figure：The infrared window of 1-, 2- pipe cap, 3- bracket, the sensitive unit of 4-, 5- support column, 6- printed board, 7- pad, 8- manages
Seat.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
Embodiment one：
As shown in figure 1, a kind of resistance to compression shock resistance pyroelectric infrared detector, including pipe cap 2, an end of described pipe cap 2
Face is provided with infrared window 1, and the other end of pipe cap 2 is matched with base 8, is provided with bracket in the edge of described infrared window 1
3, infrared window 1 is held in described bracket 3 side, and bracket 3 opposite side is fixedly connected on inside pipe cap 2；In pipe cap 2 and base 8 shape
It is provided with printed board 6, the front of printed board 6 is provided with sensitive unit 4, and the back side of printed board 6 is provided with pin, described in the cavity becoming
Pin extends to the outside of base 8 through base 8.
Ringwise, the cross section of bracket 3 includes two transverse edges and a longitudinal edge, longitudinal edge to described bracket 3
Edge is connected between two transverse edges, and a transverse edge holds infrared window 1, the end of another transverse edge and pipe cap 2
Face is fixedly connected.
Described sensitive unit 4 is arranged in printed board 6 by support column 5；The area of the cross section of described support column 5 is not little
Area in the lower surface of sensitive unit 4.It is provided with pad 7, the upper surface of pad 7 and printed board between described printed board 6 and base 8
6 are fixedly connected, and the lower surface of pad 7 is fixedly connected with base 8；The area of the cross section of described pad 7 is not less than printed board 6
The area of lower surface.
By bracket 3, infrared window 1 is formed and support, greatly improve the shock proof ability of resistance to compression of infrared window 1,
It is prevented effectively from infrared window 1 impaired under high pressure.The present invention ensures the overload-resistant coefficient of window of detector, is protected red using bracket 3
Outer window 1, increases the contact area between infrared window 1 and pipe cap 2 wicket, window is moved to pipe cap 2 centre bit simultaneously
Put, disperseed the impulsive force of overload impact it is ensured that detector is under acceleration of gravity, assembly remains to normal work.Support
Post 5 forms for sensitive unit 4 and supports, and makes sensitive unit 4 can bear forward and reverse impulsive force, improves detector resistance to compression shock resistance energy
Power.Pad 7 is supported between printed board 6 and base 8, eliminates the gap between printed board 6 and base 8, pad 7 is to printed board
6 formation supporting roles, improve the shock proof ability of printed board 6 resistance to compression.
Embodiment two：
The present embodiment is repeated no more with embodiment one identical feature, and the present embodiment feature different from embodiment one exists
In：In the present embodiment, if described bracket 3 includes dry support arm, described support member is in that divergent shape is equal around the center of pipe cap end face
Even distribution, support member is l-shaped member, and one end of l-shaped member is fixedly connected on the side wall of pipe cap 2, and the other end of l-shaped member props up
Support is at the edge of infrared window 1.The uniform divergent shape of support member is distributed, and forms some strong points to infrared window 1, lifts it and resists
Pressure impact resistance.
Embodiment three：
The present embodiment is repeated no more with embodiment two identical feature, and the present embodiment feature different from embodiment two exists
In：In the present embodiment, the support member constituting bracket 3 is U-shaped component, and one end of U-shaped component is fixedly connected on the end face of pipe cap,
The other end of U-shaped component is supported on the edge of infrared window.
Example IV：
The present embodiment is repeated no more with embodiment two identical feature, and the present embodiment feature different from embodiment two exists
In：In the present embodiment, the support member constituting bracket 3 is two transverse support bar and the component of a vertical supporting bar composition, indulges
It is connected between two transverse support bar to support bar, a transverse support bar holds infrared window 1, another transverse support bar
It is fixedly connected with the end face of pipe cap 2.
In embodiment two, embodiment three and example IV, one end that bracket 3 is contacted with infrared window 1 can arrange first
Support ring, infrared window 1 is held by described first support ring along the edge of infrared window 1.First support ring is set, support can be made
Frame 3 forms the support of uniformly continuous to the edge of infrared window 1, and support effect is more preferable.Described bracket 3 and the junction of pipe cap 2
It is provided with the second support ring, the second support ring is fixedly connected on side wall or the end face of pipe cap 2.Second support ring is set, permissible
Make between bracket 3 and pipe cap 2, to form the connection of uniformly continuous, make being more firmly mounted of bracket 3, make the resistance to compression anti-impact of detector
Hit ability higher.
In above-described embodiment, described pipe cap 2 is closed for one end, the cylindrical grooves of one end open, described infrared window 1
It is arranged on the end face of pipe cap 2 blind end, the openend cooperation of described base 8 and pipe cap 2 by the closure of openings on pipe cap 2.
Project light onto after infrared window 1 filtering clutter in sensitive unit 4, on pipe cap 2, bracket 3 is welded on infrared window 1 bonding connection
In pipe cap 2.
For ease of installation in other equipment for the detector, the edge of the openend of described pipe cap 2 is provided with a circle flange,
What the outside of described flange was symmetrical is provided with two projections.
In the present invention, it is fixed on several forms that the structure of the infrared window 1 of pipe cap 2 inner support is not limited to described in embodiment,
The support of other shapes also can be adopted.
The foregoing is only presently preferred embodiments of the present invention, be not the whole embodiments of the present invention, not in order to limit
The present invention processed, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in
Within protection scope of the present invention.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (10)
1. a kind of resistance to compression shock resistance pyroelectric infrared detector, is characterized in that, including pipe cap, an end face of described pipe cap sets
There is infrared window, the other end of pipe cap is matched with base, be provided with bracket in the edge of described infrared window, described bracket one
Infrared window is held in side, and bracket opposite side is fixedly connected on inside pipe cap；It is provided with printing in the cavity that pipe cap is formed with base
Plate, the front of printed board is provided with sensitive unit, and the back side of printed board is provided with pin, and described pin extends to base through base
Outside.
2. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1, is characterized in that, described sensitive unit
It is arranged in printed board by support column.
3. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1, is characterized in that, described printed board with
It is provided with pad, the upper surface of pad is fixedly connected with printed board, and the lower surface of pad is fixedly connected with base between base.
4. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1, is characterized in that, described bracket bag
If including dry support arm, described support member is in that divergent shape is distributed around the center of pipe cap end face, and one end of support member is fixedly connected on
On the side wall of pipe cap or end face, the other end of support member is supported on the edge of infrared window.
5. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1, is characterized in that, described bracket with
One end of infrared window contact is provided with the first support ring, described first support ring along infrared window edge by infrared window support
Live.
6. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1 or 5, is characterized in that, described bracket
It is provided with the second support ring with the junction of pipe cap, the second support ring is fixedly connected on side wall or the end face of pipe cap.
7. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 2, is characterized in that, described support column
The area of cross section is not less than the area of the lower surface of sensitive unit.
8. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 3, is characterized in that, the horizontal stroke of described pad
The area in section is not less than the area of the lower surface of printed board.
9. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 1, is characterized in that, described pipe cap is
One end closing, the cylindrical grooves of one end open, described infrared window is arranged on the end face of pipe cap blind end, described base with
The openend cooperation of pipe cap by the closure of openings on pipe cap.
10. a kind of resistance to compression shock resistance pyroelectric infrared detector according to claim 9, is characterized in that, described pipe cap
The edge of openend is provided with a circle flange, and what the outside of described flange was symmetrical is provided with two projections.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727520.1A CN106404188B (en) | 2016-08-26 | 2016-08-26 | A kind of resistance to compression shock resistance pyroelectric infrared detector |
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| CN201610727520.1A CN106404188B (en) | 2016-08-26 | 2016-08-26 | A kind of resistance to compression shock resistance pyroelectric infrared detector |
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| CN106404188B CN106404188B (en) | 2017-09-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
| CN109813445A (en) * | 2017-11-21 | 2019-05-28 | 上海新微技术研发中心有限公司 | Infrared temperature sensor |
| CN111834469A (en) * | 2020-08-10 | 2020-10-27 | 江苏明芯微电子股份有限公司 | Photosensitive silicon controlled rectifier integrated with transverse transistor |
| CN112736108A (en) * | 2021-03-30 | 2021-04-30 | 西安索唯光电技术有限公司 | Visible light CMOS detector and reinforcing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106969842A (en) * | 2017-04-17 | 2017-07-21 | 武汉联钧科技有限公司 | A kind of photoelectric sensor and infrared radiation thermometer |
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| CN111834469A (en) * | 2020-08-10 | 2020-10-27 | 江苏明芯微电子股份有限公司 | Photosensitive silicon controlled rectifier integrated with transverse transistor |
| CN112736108A (en) * | 2021-03-30 | 2021-04-30 | 西安索唯光电技术有限公司 | Visible light CMOS detector and reinforcing method thereof |
| CN112736108B (en) * | 2021-03-30 | 2021-06-25 | 西安索唯光电技术有限公司 | Visible light CMOS detector and reinforcing method thereof |
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Effective date of registration: 20181120 Address after: 255214 Lunan, Liangzhuang Section, Central Road, Xiajiazhuang Town, Boshan District, Zibo City, Shandong Province (No. 82, Boji Road) Patentee after: Zibo New Sensor Co., Ltd. Address before: 255214 South of Liangzhuang Section of Xiajiazhuang Town Central Road, Boshan District, Zibo City, Shandong Province Patentee before: Boshan Zibo new sensor factory |