CN210154698U - Anti-magnetic interference pyroelectric infrared sensor for aerospace - Google Patents
Anti-magnetic interference pyroelectric infrared sensor for aerospace Download PDFInfo
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- CN210154698U CN210154698U CN201921411986.6U CN201921411986U CN210154698U CN 210154698 U CN210154698 U CN 210154698U CN 201921411986 U CN201921411986 U CN 201921411986U CN 210154698 U CN210154698 U CN 210154698U
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- infrared sensor
- pyroelectric infrared
- magnetic interference
- articulated shaft
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Abstract
The utility model discloses a pyroelectric infrared sensor for aerospace's anti magnetic interference, including magnetoelectric shielding cage pyroelectric infrared sensor main part, the bottom both sides of magnetoelectric shielding cage all fixed mounting have the fixed block, and are two sets of the inboard of fixed block all is connected with first articulated shaft, the inboard of first articulated shaft all is connected with rotates the door, the bottom of rotating the door all fixedly connected with links up the piece, the bottom of linking up the piece all fixedly welded have the handle, and is two sets of the top of rotating the door all fixedly connected with second articulated shaft. This a pyroelectric infrared sensor for anti-magnetic interference of aerospace passes through the magnetoelectric shielding cage and makes the pyroelectric infrared sensor main part in the magnetoelectric shielding cage not receive external interference at the during operation, simultaneously when the effectual magnetic field that has prevented around disturbs pyroelectric infrared sensor main part, can also with the effectual laying in fixing device of pyroelectric infrared sensor main part, improved the practicality of device.
Description
Technical Field
The utility model relates to a pyroelectric infrared sensor technical field specifically is a pyroelectric infrared sensor for aerospace's anti-magnetic interference.
Background
The pyroelectric infrared sensor is a sensor element which converts detected and received infrared radiation into weak voltage signals by a detection element and converts the received voltage signals into digital signals, namely, converts received optical signals into electric signals.
Because the device serves the aviation field for the device need avoid near strong magnetic field to produce the interference to its work in actual installation, and the device is comparatively accurate, can not change at the convenience, leads to the practicality of the device to reduce, therefore urgently needs a pyroelectric infrared sensor to solve above-mentioned problem of proposing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pyroelectric infrared sensor for aerospace's anti-magnetic interference to propose in solving above-mentioned background art need avoid near strong magnetic field to produce the interference to its work in actual installation, and the device is comparatively accurate, can not conveniently change, lead to the problem that the device's practicality reduces.
In order to achieve the above object, the utility model provides a following technical scheme: a pyroelectric infrared sensor for resisting magnetic interference of aerospace comprises a magnetoelectric shielding cage and a pyroelectric infrared sensor main body, wherein fixed blocks are fixedly arranged on two sides of the bottom of the magnetoelectric shielding cage, two groups of fixed blocks are fixedly connected with first hinged shafts on the inner sides, rotating doors are connected on the inner sides of the first hinged shafts, connecting blocks are fixedly connected with the bottom of the rotating doors, handles are fixedly welded on the bottom of the connecting blocks, two groups of rotating doors are fixedly connected with second hinged shafts on the top ends, the second hinged shafts are connected with third hinged shafts through hinged rods, a pyroelectric infrared sensor placing box is fixedly connected with the inner side of the third hinged shaft, a pyroelectric infrared sensor main body is placed in the pyroelectric infrared sensor placing box, and fixed limit blocks are fixedly welded on two sides of the inner wall of the pyroelectric infrared sensor placing box, the pyroelectric infrared sensor placing box is characterized in that sliding rails are arranged at two ends of the pyroelectric infrared sensor placing box, and sliding blocks matched with the sliding rails are fixedly arranged on two sides of the pyroelectric infrared sensor placing box.
Preferably, the two groups of handles are internally provided with threaded slots, bolt rods are inserted into the threaded slots, and the left ends of the bolt rods are sleeved with fixing nuts.
Preferably, two groups of the third hinge shafts are fixed in the middle of the pyroelectric infrared sensor placing box.
Preferably, a first gasket is glued to the top end of the interior of the pyroelectric infrared sensor placing box.
Preferably, the top ends of the two groups of limiting blocks are both glued with second gaskets.
Preferably, the upper end and the lower end of the two groups of slide rails are fixedly welded with limiting slide blocks.
Compared with the prior art, the beneficial effects of the utility model are that: this a pyroelectric infrared sensor for anti-magnetic interference of aerospace is provided with magnetoelectric shielding cage, pyroelectric infrared sensor and places case and pyroelectric infrared sensor main part, makes the pyroelectric infrared sensor main part in the magnetoelectric shielding cage not receive external interference at the during operation through magnetoelectric shielding cage.
The device is when the pyroelectric infrared sensor main part of inside needs are taken out, take off fixation nut, take out the shank of bolt, opening the revolving door, rotation through the revolving door, it rotates to drive the second articulated shaft, thereby it rotates to drive the third articulated shaft, thereby it places the case and moves down along the slide rail to drive pyroelectric infrared sensor, stretch out the magnetoelectric shielding cage, alright change or clearance in order to take off pyroelectric infrared sensor main part, when effectually preventing that the magnetic field around from disturbing pyroelectric infrared sensor main part, can also be with the safe swift taking out of pyroelectric infrared sensor main part, the practicality of device has been improved.
Drawings
Fig. 1 is a schematic top sectional view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic side view of the structure of the present invention.
In the figure: 1. a magnetoelectric shielding cage; 2. a fixed block; 3. a first hinge shaft; 4. a rotating door; 5. a joining block; 6. a grip; 7. a second hinge shaft; 8. a third hinge shaft; 9. a hinged lever; 10. a pyroelectric infrared sensor placing box; 11. a pyroelectric infrared sensor body; 12. a limiting block; 13. a slide rail; 14. A threaded socket; 15. a bolt shank; 16. fixing a nut; 17. a first gasket; 18. a second gasket; 19. A limiting slide block; 20. a slide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a pyroelectric infrared sensor for resisting magnetic interference for aerospace comprises a magnetoelectric shielding cage 1 and a pyroelectric infrared sensor main body 11, wherein fixed blocks 2 are fixedly arranged on two sides of the bottom end of the magnetoelectric shielding cage 1, first articulated shafts 3 are connected on the inner sides of two groups of fixed blocks 2, rotating doors 4 are connected on the inner sides of the first articulated shafts 3, connecting blocks 5 are fixedly connected on the bottom ends of the rotating doors 4, handles 6 are fixedly welded on the bottom ends of the connecting blocks 5, threaded slots 14 are formed in the two groups of handles 6, bolt rods 15 are inserted in the threaded slots 14, fixing nuts 16 are sleeved on the left ends of the bolt rods 15 and fixed through the two groups of bolt rods 15 and the threaded slots 14, the whole structure is more stable, second articulated shafts 7 are fixedly connected on the top ends of the two groups of rotating doors 4, and the second articulated shafts 7 are connected with third articulated shafts 8 through articulated rods 9, two sets of third articulated axles 8 are fixed in the middle part that box 10 was placed to pyroelectric infrared sensor, make pyroelectric infrared sensor place the more stable of box 10 operation on slide rail 13, and box 10 is placed to the inboard all fixedly connected with pyroelectric infrared sensor of third articulated axle 8.
The pyroelectric infrared sensor placing box 10 is provided with a first gasket 17 adhered to the top end inside, so that the pyroelectric infrared sensor placing box 10 is prevented from being damaged to a pyroelectric infrared sensor main body 11 when sliding, the pyroelectric infrared sensor main body 11 is placed inside the pyroelectric infrared sensor placing box 10, the pyroelectric infrared sensor main body 11 is in the prior art, the internal structure composition, technical principle and working principle of the pyroelectric infrared sensor main body are transparent to those of ordinary skill in the art, the application does not relate to the internal technical principle and working principle of the pyroelectric infrared sensor main body 11, only the external structure of the pyroelectric infrared sensor main body 11 is designed, the structural composition, technical principle and working principle inside the pyroelectric infrared sensor main body 11 are not described in detail, and fixed limit blocks 12 are fixedly welded on two sides of the inner wall of the pyroelectric infrared sensor placing box 10, the top of two sets of stopper 12 all is glued with second gasket 18, it can cause the damage to pyroelectric infrared sensor main part 11 to have reduced pyroelectric infrared sensor and placed case 10 when sliding, pyroelectric infrared sensor places the both ends of case 10 and has all seted up slide rail 13, the upper and lower both ends of two sets of slide rails 13 all fixed welding have spacing slider 19, can prevent that pyroelectric infrared sensor from placing case 11 roll-off slide rail 13, pyroelectric infrared sensor places the both sides of case 10 and all fixed mounting have with slide rail 13 matched with slider 20.
When there is magnetic field externally, because magnetoelectric shielding cage 1 belongs to a confined cage body, every department's electric potential on the cage wall equals, the point that numerous electric potentials are equal forms an equipotential body, make this cage wall can accomplish to shield the influence that external magnetic field caused to the cage body is inside, thereby magnetic shield effect has been formed, and the relation between external device and the pyroelectric infrared sensor main part 11 all is the subordination, external device all serves pyroelectric infrared sensor main part 11, through adding a protective housing at the outer surface of pyroelectric infrared sensor main part 11, play shielding magnetoelectric interference effect to pyroelectric infrared sensor main part 11.
The working principle is as follows: the device ensures that the pyroelectric infrared sensor body 11 in the magnetoelectric shielding cage 1 is not interfered by the outside when working through the magnetoelectric shielding cage 1.
The device is when needing to take out inside pyroelectric infrared sensor main part 11, take off fixation nut 16, take out shank of bolt 15, opening revolving door 4, rotation through revolving door 4, it rotates to drive second articulated shaft 7, thereby it rotates to drive third articulated shaft 8, thereby it places case 10 along slide rail 13 downstream to drive pyroelectric infrared sensor, stretch out magnetoelectric shielding cage 1, alright change or clearance in order to take off pyroelectric infrared sensor main part 11, when effectually preventing that the ambient magnetic field from disturbing pyroelectric infrared sensor main part 11, can also be with the effectual laying in fixing device of pyroelectric infrared sensor main part 11, the practicality of device has been improved, the operation is ended here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a pyroelectric infrared sensor for aerospace's anti-magnetic interference, includes magnetoelectric shielding cage (1) and pyroelectric infrared sensor main part (11), its characterized in that: the utility model discloses a pyroelectric infrared sensor comprises a magnetoelectric shielding cage (1), the inboard of fixed block (2) all is connected with first articulated shaft (3), the inboard of first articulated shaft (3) all is connected with revolving door (4), the bottom of revolving door (4) all fixedly connected with links up piece (5), the bottom of linking up piece (5) all fixedly welded have handle (6), two sets of the top of revolving door (4) all fixedly connected with second articulated shaft (7), all be connected through hinge bar (9) between second articulated shaft (7) and third articulated shaft (8), the inboard all fixedly connected with pyroelectric infrared sensor of third articulated shaft (8) places case (10), pyroelectric infrared sensor places the inside of case (10) and has placed pyroelectric infrared sensor main part (11), pyroelectric infrared sensor places the both sides all fixedly welded of case (10) inner wall and has fixed stopper (12), two sets of ) The pyroelectric infrared sensor placing box comprises a pyroelectric infrared sensor placing box body (10), sliding rails (13) are arranged at two ends of the pyroelectric infrared sensor placing box body (10), and sliding blocks (20) matched with the sliding rails (13) are fixedly arranged on two sides of the pyroelectric infrared sensor placing box body (10).
2. The pyroelectric infrared sensor for resisting magnetic interference for aerospace according to claim 1, wherein: threaded slots (14) are formed in the two groups of handles (6), bolt rods (15) are inserted into the threaded slots (14), and fixing nuts (16) are sleeved at the left ends of the bolt rods (15).
3. The pyroelectric infrared sensor for resisting magnetic interference for aerospace according to claim 1, wherein: and the two groups of third hinge shafts (8) are fixed in the middle of the pyroelectric infrared sensor placing box (10).
4. The pyroelectric infrared sensor for resisting magnetic interference for aerospace according to claim 1, wherein: a first gasket (17) is glued to the top end of the interior of the pyroelectric infrared sensor placing box (10).
5. The pyroelectric infrared sensor for resisting magnetic interference for aerospace according to claim 1, wherein: the top ends of the two groups of limiting blocks (12) are glued with second gaskets (18).
6. The pyroelectric infrared sensor for resisting magnetic interference for aerospace according to claim 1, wherein: the upper end and the lower end of the two groups of slide rails (13) are fixedly welded with limiting slide blocks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411986.6U CN210154698U (en) | 2019-08-28 | 2019-08-28 | Anti-magnetic interference pyroelectric infrared sensor for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411986.6U CN210154698U (en) | 2019-08-28 | 2019-08-28 | Anti-magnetic interference pyroelectric infrared sensor for aerospace |
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| Publication Number | Publication Date |
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| CN210154698U true CN210154698U (en) | 2020-03-17 |
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| CN201921411986.6U Active CN210154698U (en) | 2019-08-28 | 2019-08-28 | Anti-magnetic interference pyroelectric infrared sensor for aerospace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136456A (en) * | 2021-11-29 | 2022-03-04 | 国网湖北省电力有限公司神农架供电公司 | Pyroelectric infrared sensor |
-
2019
- 2019-08-28 CN CN201921411986.6U patent/CN210154698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136456A (en) * | 2021-11-29 | 2022-03-04 | 国网湖北省电力有限公司神农架供电公司 | Pyroelectric infrared sensor |
| CN114136456B (en) * | 2021-11-29 | 2024-05-07 | 国网湖北省电力有限公司神农架供电公司 | Pyroelectric infrared sensor |
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