CN102192725B - Rotor type optic sensing device - Google Patents
Rotor type optic sensing device Download PDFInfo
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- CN102192725B CN102192725B CN2010101269619A CN201010126961A CN102192725B CN 102192725 B CN102192725 B CN 102192725B CN 2010101269619 A CN2010101269619 A CN 2010101269619A CN 201010126961 A CN201010126961 A CN 201010126961A CN 102192725 B CN102192725 B CN 102192725B
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- weight portion
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Abstract
The invention discloses a rotor type optic sensing device, which is arranged in a to-be-sensed object. The rotor type optic sensing device comprises a shell, at least one illuminating component, a rotor type shielding component and at least one optic sensing component, wherein a blackbody condition space is arranged in the shell; the shell comprises an illuminating chamber, a shielding chamber and at least one optic sensing chamber; the illuminating component is used for projecting a light beam; and the rotor type shielding component has a geometric center and a mass center deviating from the geometric center and is rotatably limited in the shielding chamber. When the optic sensing device inclines following the to-be-sensed object, the rotor type shielding component rotates around the geometric center so as to position the mass center at a subsiding position of the geometric center. The optic sensing component is arranged in the optic sensing chamber and is used for sensing the light beam and sending a sensing signal according to the light beam. The device is used for solving the noise problem caused by the collision between the shielding component and the shell, by utilizing the rotor type shielding component to sense the inclining direction of the optic sensing device.
Description
Technical field
The present invention is meant a kind of rotator type optical induction device especially about a kind of optical induction device.
Background technology
In daily life, angle of inclination or displacement situation in order to grasp object can use various inductors usually, and these inductors comprise horizontal shift inducing function, perpendicular displacement inducing function or inclination angle inducing function usually.In the practice utilization, these inductors can apply to many induction technologies usually, such as optical sensor technology, sound wave induction technology or electricity induction technology etc.Wherein, because the optical sensor technology has the fireballing advantage of induction, so be applied to making highly sensitive induction purposes gradually.
In utilizing the produced optical induction device of prior art; Mostly in a housing, enclose structure and go out a black matrix condition space; And a luminescence component, a shield assemblies and at least one optical sensor assembly be set in the black matrix environment space; Use when carrying out optical sensor, be unlikely to receive the interference of light evil or ambient light and have influence on the induction accuracy.
Luminescence component projects a light beam.Shield assemblies is a kind of portable shield assemblies; And be arranged on above-mentioned black matrix condition space movably; Use when optical induction device moves or tilt; Receive the effect of gravity or inertial force and move, and change the relative position between shield assemblies and luminescence component and the optical sensor assembly.
Because when the relative position between shield assemblies and luminescence component and optical sensor assembly changes; Can change the reflection angle and the travel path of light beam; The intensity that makes the optical sensor assembly sense light beam also changes thereupon, judges according to this and calculates and relevant parameters such as horizontal shift, perpendicular displacement or inclination angle.
Yet but there is a problem that almost is difficult to avoid in this optical sensor technology always.This problem is exactly when shield assemblies moves, and tends to produce collision with housing, thereby produces noisy noise.Under Effects of Noise; Often make the user can't differentiate noise easily is the normal impingement of representing between shield assemblies and housing actually; Still mean that the abnormal occurrence that part gets loose has taken place in optical induction device inside, thereby cause and use upward or the great puzzlement in the maintenance.
Summary of the invention
Technical matters and purpose that institute of the present invention desire solves:
Because in the optical induction device that prior art provided, the ubiquity noise to use or maintenance on the great puzzlement that caused; Edge this; Fundamental purpose of the present invention is to provide a kind of optical induction device; It replaces existing portable shield assemblies with a rotator type shield assemblies in the black matrix condition space of optical induction device, use at optical induction device because of rising or sedimentation produces when tilting, and utilizes action of gravity to change; Make the rotator type shield assemblies rotate to different orientation, use the well azimuth of induction optical induction device.
The technological means that the present invention deals with problems:
The present invention is for solving prior art problems; A kind of rotator type optical induction device is provided; Be arranged at an object to be responded to, this waits to respond at least one well azimuth of object this rotator type optical induction device induction, and this rotator type optical induction device comprises: a circuit board; One housing encloses structure with this circuit board and goes out a black matrix condition space, and this black matrix condition space comprises a luminous chamber, a shading chamber and at least one optical sensor chamber, and this shading chamber is communicated with this luminous chamber and this optical sensor chamber respectively; At least one luminescence component is arranged at this luminous chamber, and projects a light beam; One rotator type shield assemblies; Have a geometric center and and deviate from the weight center of this geometric center; And limit is located at this shading chamber rotationally, uses when this rotator type optical induction device waits to respond to the object inclination with this, rotates with this geometric center; Make this weight be centered close to a sedimentation orientation of this geometric center, use formation one and cover condition; And at least one optical sensor assembly, be arranged at this optical sensor chamber, respond to this light beam, and send out an induced signal according to this condition of covering, use inducing this well azimuth.
The rotator type optical induction device also comprises an antistatic component, and this antistatic component is arranged at this shading chamber, a static electric power conducting ground connection that is produced so that this rotator type shield assemblies is rotated.
This rotator type shield assemblies comprises one first weight portion and one second weight portion, and the weight of this first weight portion is greater than this second weight portion.
This weight is centered close to this first weight portion.
This first weight portion has one first shading face, and this second weight portion has one second shading face, and the area of this first shading face is greater than the area of this second shading face.
The proportion of this first weight portion is greater than the proportion of this second weight portion.
The volume of this first weight portion is greater than the volume of this second weight portion.
Has the face of falling that inclines that inclines and fall towards this second weight portion from this first weight portion between this first weight portion and this second weight portion.
This face of falling that inclines be in a linear slope, a concave surface and the convex surface at least one of them.
Luminescence component is a light emitting diode (Light Emitting Diode; LED), the optical sensor assembly can be a photistor (Photo Transistor) or is an optical diode (Photo Diode).
The rough volume that equals the shading chamber of the volume of rotator type shield assemblies can only rotate the rotator type shield assemblies in the shading chamber.
The present invention's effect against existing technologies:
Compared to the optical induction device that prior art provided, owing in optical induction device provided by the present invention, replace existing portable shield assemblies with the rotator type shield assemblies; Therefore; Can utilize the rotation of rotator type shield assemblies to respond to the well azimuth of optical induction device; Use solution in the prior art because shield assemblies and housing produce the noise problem that collision is caused; And then effectively eliminate in the prior art, noise problem to use or maintenance on the great puzzlement that caused.
The specific embodiment that the present invention adopted will be further described by following embodiment and accompanying drawing.
Description of drawings
Fig. 1 is the stereoscopic figure of the optical induction device of first embodiment of the invention;
Fig. 2 is when the volume rendering synoptic diagram of Fig. 1 middle shell after circuit board separates;
Fig. 3 is the synoptic diagram of the housing of first embodiment of the invention;
Fig. 4 is the rotator type shield assemblies synoptic diagram of first embodiment of the invention;
Fig. 5 is the principle of work synoptic diagram of first embodiment of the invention;
Fig. 6 is the stereoscopic figure of the rotator type shield assemblies of second embodiment of the invention;
Fig. 7 is the side view of the rotator type shield assemblies of third embodiment of the invention;
Fig. 8 is the side view of the rotator type shield assemblies of fourth embodiment of the invention; And
Fig. 9 is the side view of the rotator type shield assemblies of fifth embodiment of the invention.
Wherein, Reference numeral:
1 optical induction device
11 housings
111 luminous chambers
112 shading chambers
113,114 optical sensor chambers
115 antistatic components
12 circuit boards
121 antistatic components
122 grounding circuits
13 luminescence components
14 ~ 14d rotator type shield assemblies
141 ~ 141d, the first weight portion
142 ~ 142d, the second weight portion
143 ~ 143d, the first shading face
144 ~ 144a, the second shading face
145 ~ 147 faces of falling that incline
15,16 optical sensor assemblies
The LB1 light beam
The I1 projecting direction
I3, I4 sense of rotation
The I2 orientation that rises
I5 sedimentation orientation
GC1 ~ GC5 geometric center
WC1 ~ WC5 weight center
The OD eccentric throw
Embodiment
Because optical induction device provided by the present invention can be widely used in the various well azimuths of waiting to respond to object of induction; And relevant combination embodiment is too numerous to enumerate especially; So give unnecessary details no longer one by one at this, just list act wherein five preferred embodiments specify.
See also Fig. 1 to Fig. 5, Fig. 1 is the stereoscopic figure at the optical induction device of first embodiment of the invention; Fig. 2 is when the volume rendering synoptic diagram of Fig. 1 middle shell after circuit board separates; Fig. 3 is the synoptic diagram of the housing of first embodiment of the invention; Fig. 4 is the rotator type shield assemblies synoptic diagram of first embodiment of the invention; Fig. 5 is the principle of work synoptic diagram of first embodiment of the invention.
To shown in Figure 5, an optical induction device 1 is arranged at an object to be responded to (figure does not show) like Fig. 1, and in order to respond to the well azimuth that this waits to respond to object.Optical induction device 1 comprises a housing 11, a circuit board 12, a luminescence component 13, a rotator type shield assemblies 14 and two optical sensor assemblies 15 and 16.Housing 11 is arranged at one with circuit board 12 and waits to respond on the object, and housing 11 encloses structure with circuit board 12 and goes out a black matrix condition space.Black matrix condition space comprises a luminous chamber 111, a shading chamber 112 and two optical sensor chambers 113 and 114.Shading chamber 112 is communicated with luminous chamber 111 and optical sensor chamber 113 and 114 respectively, and shading chamber 112 more is provided with an antistatic component 115.Simultaneously, antistatic component 115 can be one local or coat the antistatic coating (Anti-Static Coating) of shading chamber 112 inwalls fully.
Another antistatic component 121 and a grounding circuit 122 are set on the circuit board 12, and above-mentioned antistatic component 115 and 121 is electrically connected at grounding circuit 122 respectively, makes antistatic component 115 and 121 be able to keep the state of ground connection by grounding circuit 122.Simultaneously, antistatic component 121 is arranged at circuit board 12 positions corresponding to shading chamber 112, and can be an antistatic circuit or be an antistatic layer.That is when antistatic component 115 was an antistatic coating, antistatic component 115 also can extend out to the grounding circuit 122 of circuit board 12 from shading chamber 112 and contact.Luminescence component 13 is arranged at luminous chamber 111, and can be a light emitting diode (Light Emitting Diode; LED).Rotator type shield assemblies 14 is limit rotationally and is located at shading chamber 112, and in other words, rotator type shield assemblies 14 is restricted to and can only in shading chamber 112, rotates.In preferred embodiment of the present invention, the preferably, the rough volume that equals shading chamber 112 of the volume of rotator type shield assemblies 14 can only rotate rotator type shield assemblies 14 in shading chamber 112.
Rotator type shield assemblies 14 has the weight center WC1 that a geometric center GC1 and deviates from geometric center GC1, and geometric center GC1 and weight center WC1 are at a distance of an eccentric throw (Offset Distance) OD.Rotator type shield assemblies 14 comprises in weight, proportion or the volume of one first weight portion 141 and 142, the first weight portions 141 of one second weight portion weight, proportion or the volume greater than the second weight portion 142, and weight center WC1 is positioned at the first weight portion 141.Simultaneously, the first weight portion 141 has one first shading face, 143, the second weight portions 142 and has one second shading face 144, and the area of the first shading face 143 is greater than the area of the second shading face 144.The preferably; After rotator type shield assemblies 14 is arranged at shading chamber 112; In height, the first shading face 143 is almost completely contained the gap between housing 11 and the circuit board 12, and 144 in the second shading face is only contained the part gap between housing 11 and the circuit board 12.
When rotator type shield assemblies 14 is rotated in shading chamber 112, at any time with antistatic component 115 and 121 in the middle of at least one keep in touch. Optical sensor assembly 15 and 16 is separately positioned on optical sensor chamber 113 and 114, and can be photistor (Photo Transistor) or optical diode (PhotoDiode).Though in the present embodiment, antistatic component 115 and 121 all must be electrically connected at grounding circuit 122; Yet, in the practice utilization,, also can bring into play anlistatig effect by the mode that is electrically connected at grounding circuit 122 as long as antistatic component 115 and 121 itself has enough static receptivities or reduces the ability that static electric power produces.
Above-mentioned object to be responded to can be an electronic installation, like digital camera, PDA(Personal Digital Assistant) or mobile phone etc.When utilizing optical induction device 1 to respond to this to wait to respond to the well azimuth of object, can make luminescence component 13 project a light beam LB1 towards luminous chamber 111 along a projecting direction I1.At this moment; The light beam LB1 that advances along projecting direction I1 can be projected to the rotator type shield assemblies 14 that is positioned at shading chamber 112; And via in the internal face of rotator type shield assemblies 14 and housing 11 at least one; At least reflection once makes above-mentioned black matrix condition space illuminated by light beam LB1, and then light beam LB1 is responded to by optical sensor assembly 15 and 16.
As shown in Figure 5; Rise orientation I2 when rising when waiting to respond to object along one; The orientation I2 that rises of optical induction device 1 is risen and tilt; Make rotator type shield assemblies 14 receive an action of gravity; When eccentric throw OD and gravity along the turning moment (Rotation Torque) of apposition (Product) gained of the component on plane, circuit board 12 place during greater than the resisting moment that friction force provided (Resistance Torque) of 112 of rotator type shield assemblies 14 and circuit board 12 or shading chambers, rotator type shield assemblies 14 will make weight center WC1 be positioned at the sedimentation orientation I5 of geometric center GC1 along a sense of rotation I3 or another sense of rotation I4 rotation; And the orientation that rises I2 and sedimentation orientation I5 are reverse each other, can produce one by this and cover condition.Under this covered condition, the first shading face 143 can cover optical sensor chamber 113, made the optical sensor assembly 15 that is positioned at optical sensor chamber 113 almost can't sense light beam LB1.Otherwise; 144 in the second shading face can partly cover optical sensor chamber 114; The light beam LB1 that the optical sensor assembly 16 that is positioned at optical sensor chamber 114 is sensed has bigger optical strength; And can make optical sensor assembly 16 send out an induced signal according to the above-mentioned condition of covering, this waits to respond to the well azimuth of object to use induction.
Similarly; When waiting to respond to object along the sedimentation orientation during I5 sedimentation; Can make the sedimentation orientation I5 sedimentation of optical induction device 1 and tilt; Make rotator type shield assemblies 14 receive an action of gravity, when eccentric throw OD and gravity along the turning moment (RotationTorque) of apposition (Product) gained of the component on plane, circuit board 12 place during greater than the resisting moment that friction force provided (Resistance Torque) of 112 of rotator type shield assemblies 14 and circuit board 12 or shading chambers, rotator type shield assemblies 14 will be along sense of rotation I3 or I4 rotation; Make weight center WC1 be positioned at the sedimentation orientation I5 of geometric center GC1, also can produce the above-mentioned condition of covering by this.
See also Fig. 6, it is the stereoscopic figure of the rotator type shield assemblies of second embodiment of the invention.In second embodiment of the invention, 14a replaces the rotator type shield assemblies 14 among first embodiment with another rotator type shield assemblies.Rotator type shield assemblies 14a has the weight center WC2 that a geometric center GC2 and deviates from geometric center GC2.Rotator type shield assemblies 14a comprises one first 141a of weight portion and one second 142a of weight portion, and weight, proportion or the volume of first 141a of weight portion are greater than weight, proportion or the volume of second 142a of weight portion.Simultaneously, first 141a of weight portion has one first shading face 143a, and second 142a of weight portion has one second shading face 144a, and the area of the first shading face 143a is greater than the area of the second shading face 144a.The preferably; After rotator type shield assemblies 14a is arranged at shading chamber 112; In height, the first shading face 143a is almost completely contained the gap between housing 11 and the circuit board 12, and the second shading face 144a is then only contained the part gap between housing 11 and the circuit board 12.
See also Fig. 7, it is the side view of the rotator type shield assemblies of third embodiment of the invention.In third embodiment of the invention, 14b replaces the rotator type shield assemblies 14 among first embodiment with another rotator type shield assemblies.Rotator type shield assemblies 14b has the weight center WC3 that a geometric center GC3 and deviates from geometric center GC3.Rotator type shield assemblies 14b comprises one first 141b of weight portion and one second 142b of weight portion, and weight, proportion or the volume of first 141b of weight portion are greater than weight, proportion or the volume of second 142b of weight portion.Simultaneously, first 141b of weight portion has one first shading face 143b.Have the face of falling 145 that inclines that inclines and fall towards second 142b of weight portion from first 141b of weight portion between first 141b of weight portion and second 142b of weight portion, and the face of falling 145 that inclines is a linear slope.
See also Fig. 8, it is the side view of the rotator type shield assemblies of fourth embodiment of the invention.In fourth embodiment of the invention, 14c replaces the rotator type shield assemblies 14 among first embodiment with another rotator type shield assemblies.Rotator type shield assemblies 14c has the weight center WC4 that a geometric center GC4 and deviates from geometric center GC4.Rotator type shield assemblies 14c comprises one first 141c of weight portion and one second 142c of weight portion, and weight, proportion or the volume of first 141c of weight portion are greater than weight, proportion or the volume of second 142c of weight portion.Simultaneously, first 141c of weight portion has one first shading face 143c.Have the face of falling 146 that inclines that inclines and fall towards second 142c of weight portion from first 141c of weight portion between first 141c of weight portion and second 142c of weight portion, and the face of falling 146 that inclines is a concave surface.
See also Fig. 9, it is the side view of the rotator type shield assemblies of fifth embodiment of the invention.In fifth embodiment of the invention, 14d replaces the rotator type shield assemblies 14 among first embodiment with another rotator type shield assemblies.Rotator type shield assemblies 14d has the weight center WC5 that a geometric center GC5 and deviates from geometric center GC5.Rotator type shield assemblies 14d comprises one first 141d of weight portion and one second 142d of weight portion, and weight, proportion or the volume of first 141d of weight portion are greater than weight, proportion or the volume of second 142d of weight portion.Simultaneously, first 141d of weight portion has one first shading face 143d.Have the face of falling 147 that inclines that inclines and fall towards second 142d of weight portion from first 141d of weight portion between first 141d of weight portion and second 142d of weight portion, and the face of falling 147 that inclines is a convex surface.
After reading the 3rd embodiment to the five embodiment and Fig. 7 to Fig. 9, believe such as should be understood that the face of falling that inclines can be a linear slope, a concave surface, a convex surface or its combination the person of ordinary skill in the field.When highly all identical, when the face of falling that inclines was a concave surface, in the heart the eccentric throw face of falling that inclines was that a linear slope person is for big in geometric center and the weight at the base area of rotator type shield assemblies; When the face of falling that inclines was a convex surface, in the heart the eccentric throw face of falling that inclines was that a linear slope person is for little in geometric center and the weight.Therefore,, can effectively control the size of eccentric throw by the design of geometrical construction, and then the induction sensitivity of control optical induction device.
After reading the disclosed technology of the present invention; Believe such as and should be more readily understood the person of ordinary skill in the field; With the first embodiment of the invention is example; Compared to the optical induction device that prior art provided, owing in optical induction device 1 provided by the present invention, replace existing portable shield assemblies with rotator type shield assemblies 14; Therefore; Can utilize the rotation of rotator type shield assemblies 14 to respond to the well azimuth of optical induction device; Use solution in the prior art because shield assemblies and housing produce the noise problem that collision is caused; And then effectively eliminate in the prior art, noise problem to use or maintenance on the great puzzlement that caused.
Can know the value on the true tool industry of the present invention by the above-mentioned embodiment of the invention.Above embodiment explanation is merely preferred embodiment explanation of the present invention, and the person of ordinary skill in the field is when doing other all improvement and variation according to the above embodiment of the present invention explanation such as.Yet all improvement and variation that these are done according to the embodiment of the invention are in the claim that still belongs to creation spirit of the present invention and define.
Claims (7)
1. a rotator type optical induction device is arranged at an object to be responded to, and in order to respond at least one well azimuth that this waits to respond to object, this rotator type optical induction device comprises:
One circuit board;
One housing encloses structure with this circuit board and goes out a black matrix condition space, and this black matrix condition space comprises a luminous chamber, a shading chamber and at least one optical sensor chamber, and this shading chamber is communicated with this luminous chamber and this optical sensor chamber respectively;
At least one luminescence component is arranged at this luminous chamber, and projects a light beam;
One rotator type shield assemblies; Have a geometric center and and deviate from the weight center of this geometric center; And limit is located at this shading chamber rotationally, uses when this rotator type optical induction device waits to respond to the object inclination with this, rotates with this geometric center; Make this weight be centered close to a sedimentation orientation of this geometric center, use formation one and cover condition; And
At least one optical sensor assembly is arranged at this optical sensor chamber, responds to this light beam, and sends out an induced signal according to this condition of covering, and uses inducing this well azimuth;
This rotator type shield assemblies comprises one first weight portion and one second weight portion; The weight of this first weight portion is greater than this second weight portion; This first weight portion has one first shading face; This second weight portion has one second shading face, and the area of this first shading face is greater than the area of this second shading face.
2. rotator type optical induction device as claimed in claim 1 is characterized in that, also comprises an antistatic component, and this antistatic component is arranged at this shading chamber, a static electric power conducting ground connection that is produced so that this rotator type shield assemblies is rotated.
3. rotator type optical induction device as claimed in claim 1 is characterized in that, this weight is centered close to this first weight portion.
4. rotator type optical induction device as claimed in claim 1 is characterized in that, the proportion of this first weight portion is greater than the proportion of this second weight portion.
5. rotator type optical induction device as claimed in claim 1 is characterized in that, the volume of this first weight portion is greater than the volume of this second weight portion.
6. rotator type optical induction device as claimed in claim 1 is characterized in that, has the face of falling that inclines that inclines and fall towards this second weight portion from this first weight portion between this first weight portion and this second weight portion.
7. rotator type optical induction device as claimed in claim 6 is characterized in that, this face of falling that inclines be in a linear slope, a concave surface and the convex surface at least one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101269619A CN102192725B (en) | 2010-03-04 | 2010-03-04 | Rotor type optic sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101269619A CN102192725B (en) | 2010-03-04 | 2010-03-04 | Rotor type optic sensing device |
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| CN102192725A CN102192725A (en) | 2011-09-21 |
| CN102192725B true CN102192725B (en) | 2012-11-28 |
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| CN2010101269619A Expired - Fee Related CN102192725B (en) | 2010-03-04 | 2010-03-04 | Rotor type optic sensing device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256072A (en) * | 2007-02-26 | 2008-09-03 | 欧姆龙株式会社 | Inclination sensor |
| CN101313198A (en) * | 2005-11-21 | 2008-11-26 | 罗姆股份有限公司 | Inclination sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004245759A (en) * | 2003-02-17 | 2004-09-02 | Fuji Photo Optical Co Ltd | Sensor for equipment attitude |
| JP2007057345A (en) * | 2005-08-24 | 2007-03-08 | Citizen Electronics Co Ltd | Tilt sensor |
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2010
- 2010-03-04 CN CN2010101269619A patent/CN102192725B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313198A (en) * | 2005-11-21 | 2008-11-26 | 罗姆股份有限公司 | Inclination sensor |
| CN101256072A (en) * | 2007-02-26 | 2008-09-03 | 欧姆龙株式会社 | Inclination sensor |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2004-245759A 2004.09.02 |
| JP特开2007-57345A 2007.03.08 |
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