CN209028222U - A kind of infrared sensor - Google Patents

Abstract

The utility model discloses a kind of infrared sensors, including mounting plate one, the top middle position of mounting plate one is equipped with angle adjusting mechanism, the top of angle adjusting mechanism is equipped with circuit board, the top of circuit board is equipped with infrared sensor shell, the top middle position of infrared sensor shell is equipped with opening, the bottom end of infrared sensor shell is equipped with fixed lid, and the bottom end of fixed lid is equipped with the pin being welded on circuit board, the inside of fixed lid is equipped with the mounting seat positioned at infrared sensor housing bottom, the top of mounting seat is equipped with the mounting plate two positioned at infrared sensor enclosure interior bottom end, the top of mounting plate two is equipped with pre-amplification circuit.Have the beneficial effect that the fixed mechanism by setting, it is effective to bring convenience for the installation and removal of circuit board, it has been saved the time for installation and removal, the design effectively raises the sensitivity of sensor detection, while improving the comprehensive of sensor detection.

Description

A kind of infrared sensor

Technical field

The utility model relates to sensor technical fields, it particularly relates to a kind of infrared sensor.

Background technique

Infra-red sensing system is with infrared ray be medium measuring system, can be divided into five classes according to function, by detection mechanism It can be divided into as photon detector and thermal detector.Infrared electronic technology obtains in fields such as modern science and technology, national defence and industrial or agricultural It obtained and was widely applied, and according to a kind of infrared sensor of patent No. CN201420859046.4, passed through the turntable of setting, filter Optical lens and support ring and hemisphere face, enable filter lens to be rotated with turntable, convenient for carrying out 360 degree to environment Detection, although improving detection multi-angle, the flexibility for still remaining filter lens is poor, not can be carried out lifting simultaneously It is not easy to swing, causes detecting element that can only carry out 360 detections to same plane, cannot but detect different height, pass simultaneously The installation and removal of sensor are more complex, lead to serious waste of resources.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Utility model content

For the problems in the relevant technologies, the utility model proposes a kind of infrared sensors, to overcome existing the relevant technologies Existing above-mentioned technical problem.

For this purpose, the specific technical solution that the utility model uses is as follows:

The top middle position of a kind of infrared sensor, including mounting plate one, the mounting plate one is equipped with angular adjustment machine Structure, the top of the angle adjusting mechanism are equipped with circuit board, and the top of the circuit board is equipped with infrared sensor shell, described red The top middle position of outer sensor shell is equipped with opening, and the bottom end of the infrared sensor shell is equipped with fixed lid, and described The bottom end of fixed lid is equipped with the pin being welded on the circuit board, and the inside of the fixed lid, which is equipped with, is located at the infrared sensing The mounting seat of device housing bottom, the top of the mounting seat are equipped with the peace positioned at infrared sensor enclosure interior bottom end The top of loading board two, the mounting plate two is equipped with pre-amplification circuit, and the pre-amplification circuit is wrapped around equipped with several Conducting wire, one end of the conducting wire are equipped with the conducting ring for connecting and running through the mounting seat with the pin, the preposition amplification The top of circuit is equipped with field-effect tube, and the top of the field-effect tube is equipped with elevating mechanism, and the top of the elevating mechanism from Under it is supreme be successively arranged aluminum oxide substrate, detecting element and filter lens, the aluminum oxide substrate passes through symmetrically arranged support Bar one is connect with the detecting element, and the detecting element is connect by symmetrically arranged support rod two with the filter lens, And the top of the detecting element is symmetrically arranged with the oxidation film between the adjacent support rod two, and the filter lens Top is equipped with convex lens sheet, and the outer side edges uniform ring of the filter lens is arranged with several hemisphere faces.

Further, the top of the mounting seat is equipped with the stop collar being located at below the infrared sensor shell.

Further, the angle adjusting mechanism includes positioned at the bracket one on one top of mounting plate and positioned at the branch The bracket two of one side of frame, the side of the bracket one are equipped with motor one, are arranged with rotating wheel on one output shaft of motor, institute The side for stating rotating wheel is equipped with swingle, is arranged with oscillating rod on the swingle, one end of the oscillating rod be equipped with it is described The adjustable plate of two top of bracket connection, the adjustable plate is connect far from the side of the mounting plate one with the circuit board, and institute The two sides for stating adjustable plate are symmetrically arranged with fixed mechanism.

Further, it is connected between the oscillating rod and the adjustable plate by shaft one, the bracket two and the tune It is connected between section plate by shaft two.

Further, the bracket one and the bracket two are connected by symmetrically arranged bolt and the mounting plate one It connects, the bottom end of the motor one is equipped with the support base connecting with the bracket one side wall.

Further, the fixed mechanism includes the U-board connecting with the circuit board, is set in the U-lag of the U-board There is snap-gauge, the snap-gauge is connect with the U-board side wall by several spring leafs, and the top of the U-board is tight through having Solid rod one and anchorage bar two positioned at one side of anchorage bar are arranged with the U-shaped positioned at the U-board on the anchorage bar one Movable plate one in slot is arranged with the movable plate two in the U-lag of the U-board, the activity on the anchorage bar two Plate one is equipped with pushing block close to a lateral roof of the snap-gauge, and the movable plate two is equipped with card close to a side bottom of the snap-gauge Block is arranged with the pressure connecting with the movable plate one and the movable plate two on the anchorage bar one and the anchorage bar two respectively Contracting spring.

Further, the U-board is respectively equipped with and the anchorage bar one and described tight far from the side of the spring leaf The compatible aperture of solid rod two, and be equipped on the circuit board be adapted with the anchorage bar one and the anchorage bar two it is logical Hole.

Further, the elevating mechanism includes the fixed link connecting with the infrared sensor case inside wall, described Connecting rod is arranged in fixed link, one end of the connecting rod is equipped with elevating lever, the top of the elevating lever and the alumina base The connection of board bottom end, and the bottom end of the elevating lever is equipped with idler wheel, the lower section of the idler wheel, which is equipped with, is located at the field-effect tube top Motor two, be arranged with the protrusive board to offset with the idler wheel on the output shaft of the motor two.

Further, the fixed lid is connect by screw thread with the mounting seat, and the infrared sensor shell Top is equipped with the sealing ring positioned at the open outside.

Further, the filter lens is Fresnel filter lens, and the support rod one and the support rod two are Isolation material.

The utility model has the following beneficial effects: by the convex lens sheet and hemisphere face of setting, and the elevator being equipped with Structure, so that filter lens is gone up and down to the top of infrared sensor shell, it is effective to improve accuracy for the detection of detecting element, Allow detecting element is multi-faceted to detect, by the angle adjusting mechanism being equipped with, so that angle adjusting mechanism drives electricity The angulation change of road plate makes detecting element convenient for detection different angle so that filter lens is swung, effective to improve The flexibility of sensor, while by the fixed mechanism of setting, it is effective to bring convenience for the installation and removal of circuit board, It has been saved the time for installation and removal, the design effectively raises the sensitivity of sensor detection, while improving sensor That detects is comprehensive.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the structural schematic diagram according to a kind of infrared sensor of the utility model embodiment；

Fig. 2 is a kind of infrared sensor schematic internal view according to the utility model embodiment；

Fig. 3 is the structural schematic diagram according to a kind of infrared sensor angle adjusting mechanism of the utility model embodiment；

Fig. 4 is the structural schematic diagram according to a kind of infrared sensor fixed mechanism of the utility model embodiment；

Fig. 5 is the structural schematic diagram according to a kind of infrared sensor elevating mechanism of the utility model embodiment.

In figure:

1, mounting plate one；2, angle adjusting mechanism；3, circuit board；4, pin；5, fixed lid；6, infrared sensor shell； 7, it is open；8, mounting seat；9, mounting plate two；10, pre-amplification circuit；11, field-effect tube；12, elevating mechanism；13, it aoxidizes Aluminum substrate；14, detecting element；15, conducting wire；16, oxidation film；17, filter lens；18, convex lens sheet；19, hemisphere face；20, it leads Electric ring；21, stop collar；22, bracket one；23, bracket two；24, motor one；25, rotating wheel；26, swingle；27, oscillating rod； 28, adjustable plate；29, fixed mechanism；30, U-board；31, snap-gauge；32, spring leaf；33, anchorage bar one；34, anchorage bar two；35, Movable plate one；36, pushing block；37, fixture block；38, compressed spring；39, aperture；40, motor two；41, fixed link；42, connecting rod；43, Elevating lever；44, idler wheel；45, protrusive board；46, sealing ring；47, movable plate two.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing, these attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason, cooperation refer to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this is practical new The advantages of type, the component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Embodiment according to the present utility model provides a kind of infrared sensor.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described, as shown in Figs. 1-5, practical according to this The top middle position of the infrared sensor of new embodiment, including mounting plate 1, the mounting plate 1 is equipped with angular adjustment Mechanism 2, the top of the angle adjusting mechanism 2 are equipped with circuit board 3, and the top of the circuit board 3 is equipped with infrared sensor shell 6, the top middle position of the infrared sensor shell 6 is equipped with opening 7, and the bottom end of the infrared sensor shell 6 is equipped with solid Determine lid 5, and the bottom end of the fixed lid 5 is equipped with the pin 4 being welded on the circuit board 3, the inside of the fixed lid 5 is set There is the mounting seat 8 positioned at 6 bottom end of infrared sensor shell, the top of the mounting seat 8 is equipped with positioned at described infrared The mounting plate 29 of 6 inner bottom of sensor housing, the top of the mounting plate 29 is equipped with pre-amplification circuit 10, described preposition Amplifying circuit 10 is wrapped around equipped with several conducting wires 15, and one end of the conducting wire 15, which is equipped with, to be connect and run through with the pin 4 The top of the conducting ring 20 of the mounting seat 8, the pre-amplification circuit 10 is equipped with field-effect tube 11, the field-effect tube 11 Top be equipped with elevating mechanism 12, and the top of the elevating mechanism 12 be successively arranged from bottom to up aluminum oxide substrate 13, detection Element 14 and filter lens 17, the aluminum oxide substrate 13 are connected by symmetrically arranged support rod one with the detecting element 14 It connects, the detecting element 14 is connect by symmetrically arranged support rod two with the filter lens 17, and the detecting element 14 Top be symmetrically arranged with the oxidation film 16 between the adjacent support rod two, and the top of the filter lens 17 is equipped with Convex lens sheet 18, the outer side edges uniform ring of the filter lens 17 are arranged with several hemisphere faces 19.

With the aid of the technical scheme, by the convex lens sheet of setting 18 and hemisphere face 19, and the elevator being equipped with Structure 12, so that the lifting of filter lens 17 is to the top of infrared sensor shell 6, it is effective to be improved for the detection of detecting element 14 Accuracy allows detecting element 14 is multi-faceted to detect, by the angle adjusting mechanism 2 being equipped with, so that angular adjustment Mechanism 2 drives the angulation change of circuit board 3, so that filter lens 17 is swung, makes detecting element 14 convenient for detecting not Same angle effectively raises the flexibility of sensor, while by the fixed mechanism 29 of setting, effective is circuit board 3 Installation and removal bring convenience, have saved the time for installation and removal, and the design effectively raises the spirit of sensor detection Sensitivity, while improving the comprehensive of sensor detection.

As shown in Fig. 2, in one embodiment, for above-mentioned mounting seat 8, the top of the mounting seat 8 is set There is the stop collar 21 for being located at 6 lower section of infrared sensor shell.By the stop collar 21 of setting, effectively raise infrared The stability of sensor housing 6.

As shown in figure 3, in one embodiment, for above-mentioned angle adjusting mechanism 2, the angle adjusting mechanism 2 Bracket 2 23 including being located at the bracket 1 on one 1 top of mounting plate and positioned at one 22 side of bracket, the bracket One 22 side is equipped with motor 1, is arranged with rotating wheel 25, the side of the rotating wheel 25 on one 24 output shaft of motor Equipped with swingle 26, oscillating rod 27 is arranged on the swingle 26, one end of the oscillating rod 27 is equipped with and the bracket two The adjustable plate 28 of 23 tops connection, side of the adjustable plate 28 far from the mounting plate 1 are connect with the circuit board 3, and The two sides of the adjustable plate 28 are symmetrically arranged with fixed mechanism 29, pass through shaft between the oscillating rod 27 and the adjustable plate 28 One connection, is connected between the bracket 2 23 and the adjustable plate 28 by shaft two, the bracket 1 and the bracket two 23 are connect by symmetrically arranged bolt with the mounting plate 1, and the bottom end of the motor 1 is equipped with and the bracket one The support base of 22 side walls connection.

By adopting the above technical scheme, when angle adjusting mechanism 2 is specifically used, by starting motor 1, so that motor one 24 drive rotating wheels 25 are rotated, and then rotate synchronously swingle 26, and swingle 26 drives oscillating rod 27 and then drives and adjusts Section plate 28 is that shaft is swung with shaft two, and the effective angle for adjusting circuit board 3 drives circuit board 3 infrared The change of the realization angle of sensor housing 6.

As shown in figure 4, in one embodiment, for above-mentioned fixed mechanism 29, the fixed mechanism 29 include with The U-board 30 that the circuit board 3 connects, the U-lag of the U-board 30 is interior to be equipped with snap-gauge 31, the snap-gauge 31 and the U-board 30 side walls are connected by several spring leafs 32, and the top of the U-board 30 is through having anchorage bar 1 and be located at described tight The anchorage bar 2 34 of one 33 side of solid rod is arranged with the activity in the U-lag of the U-board 30 on the anchorage bar 1 Plate 1 is arranged with the movable plate 2 47 in the U-lag of the U-board 30, the movable plate on the anchorage bar 2 34 One 35 are equipped with pushing block 36 close to a lateral roof of the snap-gauge 31, and the movable plate 2 47 is close to the side bottom of the snap-gauge 31 Portion is equipped with fixture block 37, is arranged with respectively and the movable plate 1 and institute on the anchorage bar 1 and the anchorage bar 2 34 State movable plate 2 47 connection compressed spring 38, the U-board 30 far from the side of the spring leaf 32 be respectively equipped with it is described Anchorage bar 1 and the compatible aperture 39 of the anchorage bar 2 34, and be equipped on the circuit board 3 and the anchorage bar one 33 and the anchorage bar 2 34 be adapted through-hole.

By adopting the above technical scheme, when fixed mechanism 29 is specifically used, by the way that circuit board 3 is mounted in U shape plate 30 Portion, while pressing anchorage bar 2 34 and movable plate 2 47 is driven to synchronize movement, drive the fixture block 37 on movable plate 2 47 to move It moves to the lower section of snap-gauge 31, so that fixture block 37 and snap-gauge 31 are clamped, while anchorage bar 2 34 extends to the inside progress of aperture 39 Fixed, the effective installation for circuit board 3 brings convenience, while by pressing anchorage bar 1, so that one 33 band of anchorage bar Dynamic one 35 synchronizing moving of movable plate, and then pass through the effect of pushing block 36, so that pushing block 36 offsets with 31 side wall of snap-gauge, so that card Plate 31 is detached from fixture block 37, and then generates reversed elastic force by compressed compressed spring 38, so that anchorage bar 2 34 is detached from aperture 39, and then convenience is brought for the disassembly of circuit board 3.

As shown in figure 5, in one embodiment, for above-mentioned elevating mechanism 12, the elevating mechanism 12 include with The fixed link 41 of 6 inner sidewall of infrared sensor shell connection is arranged with connecting rod 42, the company in the fixed link 41 One end of bar 42 is equipped with elevating lever 43, and the top of the elevating lever 43 is connect with 13 bottom end of aluminum oxide substrate, and the liter The bottom end for dropping bar 43 is equipped with idler wheel 44, and the lower section of the idler wheel 44 is equipped with the motor 2 40 positioned at 11 top of field-effect tube, The protrusive board 45 to offset with the idler wheel 44 is arranged on the output shaft of the motor 2 40.

By adopting the above technical scheme, when elevating mechanism 12 is specifically used, by starting motor 2 40, so that 2 40 band of motor Dynamic protrusive board 45 rotates, and is made by the abutting relationship of protrusive board 45 and idler wheel 44 so that idler wheel 44 is while rotation and then goes up and down Obtaining idler wheel 44 drives elevating lever 43 to move up, and by the fixed link 41 and connecting rod 42 of setting, effectively raises elevating lever 43 Mobile stationarity, and then aluminum oxide substrate 13 is driven to carry out stablizing lifting, it is moved upward to filter lens 17 red The top of outer sensor shell 6 is detected convenient for detecting element 14.

As shown in Fig. 2, in one embodiment, for above-mentioned fixed lid 5, the fixed lid 5 passes through screw thread and institute The connection of mounting seat 8 is stated, and the top of the infrared sensor shell 6 is equipped with the sealing ring 46 being located at outside the opening 7, institute Stating filter lens 17 is Fresnel filter lens, and the support rod one and the support rod two are isolation material.Pass through setting Sealing ring 46, effectively raise the leakproofness of sensor.

In conclusion passing through the convex lens sheet 18 and hemisphere face of setting by means of the above-mentioned technical proposal of the utility model 19, and the elevating mechanism 12 being equipped with, so that the lifting of filter lens 17 is effectively to the top of infrared sensor shell 6 The detection of detecting element 14 improves accuracy, allows detecting element 14 is multi-faceted to detect, and passes through the angle being equipped with Regulating mechanism 2, so that angle adjusting mechanism 2 drives the angulation change of circuit board 3, so that filter lens 17 is swung, Make detecting element 14 convenient for detection different angle, effectively raise the flexibility of sensor, while passing through the fixation machine of setting Structure 29, it is effective to bring convenience for the installation and removal of circuit board 3, it has been saved the time for installation and removal, the design is effective Improve sensor detection sensitivity, while improve sensor detection it is comprehensive.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of infrared sensor, which is characterized in that including mounting plate one (1), the top middle position of the mounting plate one (1) Equipped with angle adjusting mechanism (2), the top of the angle adjusting mechanism (2) is equipped with circuit board (3), the circuit board (3) it is upper Side is equipped with infrared sensor shell (6), and the top middle position of the infrared sensor shell (6) is equipped with opening (7), described red The bottom end of outer sensor shell (6) is equipped with fixed lid (5), and the bottom end of the fixed lid (5) is equipped with and is welded in the circuit board (3) inside of the pin (4) on, the fixed lid (5) is equipped with the mounting seat positioned at infrared sensor shell (6) bottom end (8), the top of the mounting seat (8) is equipped with the mounting plate two (9) positioned at infrared sensor shell (6) inner bottom, The top of the mounting plate two (9) is equipped with pre-amplification circuit (10), and the wrapping around for pre-amplification circuit (10) is equipped with Several conducting wires (15), one end of the conducting wire (15), which is equipped with, to be connect with the pin (4) and runs through leading for the mounting seat (8) The top of electric ring (20), the pre-amplification circuit (10) is equipped with field-effect tube (11), and the top of the field-effect tube (11) is set Have elevating mechanism (12), and the top of the elevating mechanism (12) is successively arranged aluminum oxide substrate (13), detection member from bottom to up Part (14) and filter lens (17), the aluminum oxide substrate (13) pass through symmetrically arranged support rod one and the detecting element (14) it connects, the detecting element (14) is connect by symmetrically arranged support rod two with the filter lens (17), and described The top of detecting element (14) is symmetrically arranged with the oxidation film (16) between the adjacent support rod two, and the filter lens (17) top is equipped with convex lens sheet (18), and the outer side edges uniform ring of the filter lens (17) is arranged with several hemisphere faces (19)。

2. a kind of infrared sensor according to claim 1, which is characterized in that the top of the mounting seat (8) is equipped with Stop collar (21) below the infrared sensor shell (6).

3. a kind of infrared sensor according to claim 1, which is characterized in that the angle adjusting mechanism (2) includes position Bracket one (22) in mounting plate one (1) top and the bracket two (23) positioned at bracket one (22) side, the branch The side of frame one (22) is equipped with motor one (24), is arranged with rotating wheel (25), the rotation on motor one (24) output shaft The side for taking turns (25) is equipped with swingle (26), is arranged with oscillating rod (27) on the swingle (26), the oscillating rod (27) One end is equipped with the adjustable plate (28) connecting with bracket two (23) top, and the adjustable plate (28) is far from the mounting plate one (1) side is connect with the circuit board (3), and the two sides of the adjustable plate (28) are symmetrically arranged with fixed mechanism (29).

4. a kind of infrared sensor according to claim 3, which is characterized in that the oscillating rod (27) and the adjustable plate (28) it is connected between by shaft one, is connect between the bracket two (23) and the adjustable plate (28) by shaft two.

5. a kind of infrared sensor according to claim 3, which is characterized in that the bracket one (22) and the bracket two (23) connect with the mounting plate one (1) by symmetrically arranged bolt, the bottom end of the motor one (24) equipped with it is described The support base of bracket one (22) side wall connection.

6. a kind of infrared sensor according to claim 3, which is characterized in that the fixed mechanism (29) include with it is described The U-board (30) of circuit board (3) connection, the U-lag of the U-board (30) is interior to be equipped with snap-gauge (31), the snap-gauge (31) and institute It states U-board (30) side wall to connect by several spring leafs (32), and the top of the U-board (30) is through there is anchorage bar one (33) and be located at the anchorage bar two (34) of anchorage bar one (33) side, be arranged on the anchorage bar one (33) be located at it is described Movable plate one (35) in the U-lag of U-board (30) is arranged with the U positioned at the U-board (30) on the anchorage bar two (34) Movable plate two (47) in shape slot, the movable plate one (35) are equipped with pushing block (36) close to a lateral roof of the snap-gauge (31), A side bottom of the movable plate two (47) close to the snap-gauge (31) is equipped with fixture block (37), the anchorage bar one (33) and described The compressed spring connecting with the movable plate one (35) and the movable plate two (47) is arranged on anchorage bar two (34) respectively (38)。

7. a kind of infrared sensor according to claim 6, which is characterized in that the U-board (30) is far from the spring The side of piece (32) is respectively equipped with and the anchorage bar one (33) and the compatible aperture of the anchorage bar two (34) (39), and institute It states to be equipped on circuit board (3) and is adapted through-hole with the anchorage bar one (33) and the anchorage bar two (34).

8. a kind of infrared sensor according to claim 1, which is characterized in that the elevating mechanism (12) include with it is described The fixed link (41) of infrared sensor shell (6) inner sidewall connection, is arranged with connecting rod (42) on the fixed link (41), described One end of connecting rod (42) is equipped with elevating lever (43), and the top and the aluminum oxide substrate (13) bottom end of the elevating lever (43) connect It connects, and the bottom end of the elevating lever (43) is equipped with idler wheel (44), the lower section of the idler wheel (44), which is equipped with, is located at the field-effect tube (11) motor two (40) on top is arranged with the protrusive board to offset with the idler wheel (44) on the output shaft of the motor two (40) (45)。

9. a kind of infrared sensor according to claim 1, which is characterized in that the fixed lid (5) passes through screw thread and institute Mounting seat (8) connection is stated, and the top of the infrared sensor shell (6) is equipped with and is located at the external sealing of the opening (7) It encloses (46).

10. a kind of infrared sensor according to claim 1, which is characterized in that the filter lens (17) is Fresnel Filter lens, the support rod one and the support rod two are isolation material.