CN205647483U - Correlation formula photoelectric switch - Google Patents
Correlation formula photoelectric switch Download PDFInfo
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- CN205647483U CN205647483U CN201620505873.2U CN201620505873U CN205647483U CN 205647483 U CN205647483 U CN 205647483U CN 201620505873 U CN201620505873 U CN 201620505873U CN 205647483 U CN205647483 U CN 205647483U
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Abstract
The utility model discloses a correlation formula photoelectric switch, including illuminator and photic ware. The illuminator includes the illuminator casing and installs the first light source mounting in the illuminator casing, luminous PCB subassembly and first optical filtering. The photic ware includes photic ware casing and installs secondary light source mounting, receipt PCB subassembly and the second optical filtering in photic ware casing. Receive the PCB subassembly and detect the light signal that luminous PCB subassembly sent to the detected signal that output corresponds has advantages such as detection distance is far away, the interference killing feature is strong, response speed is fast.
Description
Technical field
This utility model relates to a kind of photoelectric sensor, specifically a kind of correlation photoswitch.
Background technology
Photoelectric sensor belongs to non-contact type detection sensor, and its detecting distance is relatively wide, and for detecting the presence or absence of object, distance and character etc., therefore it is widely used in industrial automation arrangement field.
Photoelectric sensor is to utilize detected material block light beam or reflect, and by synchronization loop gating circuit, thus detects with presence or absence of object.Object is not limited to metal, and all objects that can reflect light all can be detected.Input current is converted to optical signal injection on emitter by photoelectric sensor, and receptor further according to the power of the light received or detects with or without to target object.
Existing photoelectric sensor is made up of emitter, receptor and testing circuit three part.Emitter alignment objective emission light beam, the light beam launched is typically derived from semiconductor light source, light emitting diode, laser diode and infrared-emitting diode, light beam is launched incessantly, or change pulse width, light beam radiation intensity pulsed, in the transmission through repeatedly selecting, is run the most indirectly towards target.Receptor is made up of photodiode or phototriode, light cell, and before receptor, equipped with optical element such as lens and aperture etc., face is testing circuit behind, and it can leach useful signal and apply this signal.In addition, the structural detail of photoelectric sensor also has triangle reflecting plate and optical fibers, triangle reflecting plate is well-set discharger, light beam is made to return from reflecting plate exactly, it can change the angle of departure in the scope with optical axis 0 to 25, make light beam almost launch line from one, after reflection, or return from this root reflected ray.
Presence or absence, distance and the character etc. of object can be detected by above-mentioned photoelectric sensor accurately, but structure is complex, and lacks the setting of protection circuit; reliability is the highest; service life is big compared with short and volume, occupies more space, use inconvenience when of use.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, and provides a kind of correlation photoswitch, has that structure design is simple, detecting distance is remote, reliability is high, length in service life, integrated level high, the advantage of compact conformation.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of correlation photoswitch, including luminous organ and light-receiving device.Luminous organ includes luminous organ housing and the first light source fixing part being arranged in luminous organ housing, luminous PCB assembly and the first filter lens.Light-receiving device includes light-receiving device housing and the secondary light source fixture being arranged in light-receiving device housing, receives PCB assembly and the second filter lens.Receive the optical signal that PCB component detection luminescence PCB assembly sends, and export the detection signal of correspondence.
For optimizing technique scheme, this utility model also includes the technical scheme of following improvement.
Above-mentioned luminous PCB assembly includes luminous body, the pulsed drive module of driven for emitting lights body and power module.Receive frequency-selecting amplification module, amplification rectification module and sequential output module that PCB assembly includes that photoreceptors is connected with photoreceptors.
Above-mentioned luminous body is light emitting diode.Luminous PCB assembly is provided with voltage stabilizing chip.Pulsed drive module includes driving audion, and the pulse branch road being made up of the first resistance, the second resistance, electric three resistance, the 4th resistance and the first audion and the second audion.Voltage stabilizing chip has Vout interface, Vin interface and GND interface.Vin interface connects 24V power supply.Vout interface is connected with pulse branch road.The colelctor electrode driving audion connects 24V power supply, and base stage connects pulse branch road, and emitter stage connects luminous body.
Above-mentioned photoreceptors is phototriode.Receive PCB assembly and be provided with Zener diode and the voltage stabilizing branch road of power supply chip composition.Frequency-selecting amplification module includes amplifying triode, and the base stage amplifying three poles connects photoreceptors, and emitter stage connects sequential processing chip.
Above-mentioned luminous organ housing and light-receiving device housing are respectively square plastic casing.The inside of luminous organ housing is shaped with the first cavity installing luminous PCB assembly.The inside of light-receiving device housing is shaped with installs the second cavity receiving PCB assembly.
The top inner wall of above-mentioned luminous organ housing is shaped with the first mounting groove of fixing luminous PCB assembly.The top inner wall of light-receiving device housing is shaped with the second mounting groove of fixed reception PCB assembly.
The top of above-mentioned luminous organ housing is provided with the first light guide plate and the first adjusting knob being connected with luminous PCB assembly.The top of light-receiving device housing is provided with the second light guide plate, and the second adjusting knob being connected with reception PCB assembly.
The first above-mentioned light source fixing part has fixes, with luminous PCB assembly, the first noumenon being connected.The first noumenon is shaped with the first through hole propagated by light.It is shaped with in the both sides of the first noumenon and fixes step-like first bayonet socket being connected with luminous organ inner walls.Secondary light source fixture has fixes, with reception PCB assembly, the second body being connected.Second body is shaped with the second through hole propagated by light.It is shaped with in the both sides of the second body and fixes step-like second bayonet socket being connected with light-receiving device inner walls.
Above-mentioned luminous PCB assembly includes the luminous body being fixed in the first through hole.Receive the photoreceptors that PCB assembly includes being fixed in the second through hole.
The sidewall of above-mentioned luminous organ housing and the sidewall of light-receiving device housing are formed respectively with fenestra.First filter lens is fixed in the fenestra of luminous organ housing.Second filter lens is fixed in the fenestra of light-receiving device housing.Second through hole is installed with the first collecting lens in the one end near the second filter lens.
Compared with prior art, correlation photoswitch of the present utility model, use correlation mode to coordinate sensing work, detecting distance and accuracy of detection can be effectively improved, improve capacity of resisting disturbance, there is the advantages such as detecting distance is remote, capacity of resisting disturbance strong, fast response time.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of luminous organ in this utility model embodiment.
Fig. 2 is the sectional structure schematic diagram of light-receiving device in this utility model embodiment.
Fig. 3 is the sectional structure schematic diagram of luminous organ another embodiment.
Fig. 4 is the fundamental diagram of this utility model embodiment.
Fig. 5 is the modular structure schematic diagram of this utility model embodiment.
Fig. 6 is the circuit diagram of luminous PCB assembly in this utility model embodiment.
Fig. 7 is the circuit diagram receiving PCB assembly in this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 to Fig. 7 show structural representation of the present utility model.
nullReference therein is: luminous organ housing 1、First filter lens 11、First cavity 12、First mounting groove 13、First light guide plate 14、First adjusting knob 15、First light source fixing part 2、First bayonet socket 21、First through hole 22、Luminous PCB assembly 3、Luminous body 31、Pulsed drive module 32、Power module 33、Second collecting lens 34、Light-receiving device housing 4、Second filter lens 41、Second cavity 42、Second mounting groove 43、Second light guide plate 44、Second adjusting knob 45、Secondary light source fixture 5、Second bayonet socket 51、Second through hole 52、Receive PCB assembly 6、Photoreceptors 61、Frequency-selecting amplification module 62、Amplify rectification module 63、Sequential output module 64、First collecting lens 7、Voltage stabilizing chip 81、Drive audion 82、First resistance 83、Second resistance 84、Electricity three resistance 85、4th resistance 86、First audion 87、Second audion 88、Zener diode 91、Power supply chip 92、Amplifying triode 93、Sequential processing chip 94.
As depicted in figs. 1 and 2, a kind of correlation photoswitch of the present utility model, including luminous organ and light-receiving device.
Luminous organ includes luminous organ housing 1 and the first light source fixing part 2 being arranged in luminous organ housing 1, luminous PCB assembly 3 and the first filter lens 11.
Light-receiving device includes light-receiving device housing 4 and the secondary light source fixture 5 being arranged in light-receiving device housing 4, receives PCB assembly 6 and the second filter lens 41.Receive PCB assembly 6 and detect the optical signal that luminous PCB assembly 3 sends, and export the detection signal of correspondence.
First filter lens 11 and the second filter lens 41 are used for filtering the interference to light-receiving device of the visible ray light with other wavelength, it is preferred to use darkviolet filter lens.
As shown in Figure 4, luminous organ and light-receiving device interval are arranged, and luminous organ provides the light source needed for light beam, and light-receiving device can detect the light beam launched from luminous organ and exist.The light that luminous organ sends is directly entered light-receiving device, when object to be detected blocks light between luminous organ and light-receiving device, and correlation photoswitch just produces switching signal.
Luminous organ housing 1 and light-receiving device housing 4 are respectively square plastic casing.The inside of luminous organ housing 1 is shaped with the first cavity 12 installing luminous PCB assembly 3.The inside of light-receiving device housing 4 is shaped with installs the second cavity 42 receiving PCB assembly 6.
The top inner wall of luminous organ housing 1 is shaped with the first mounting groove 13 of fixing luminous PCB assembly 3.The top inner wall of light-receiving device housing 4 is shaped with the second mounting groove 43 of fixed reception PCB assembly 6.
The top of luminous organ housing 1 is provided with the first light guide plate 14 and the first adjusting knob 15 being connected with luminous PCB assembly 3.First adjusting knob 15 can adjust luminous PCB assembly 3.
The top of light-receiving device housing 4 is provided with the second light guide plate 44, and the second adjusting knob 45 being connected with reception PCB assembly 6.Second adjusting knob 45 can adjust the signal output type receiving PCB assembly 6.
First light guide plate 14 is used for outside the signal lamp photoconduction of luminous PCB assembly 3 to cabinet, to indicate the signal of product to export.Equally, the second light guide plate 44 is used for outside the signal lamp photoconduction of reception PCB assembly 6 to cabinet.
First light source fixing part 2 has and the luminous fixing the first noumenon being connected of PCB assembly 3.The first noumenon is shaped with the first through hole 22 propagated by light.It is shaped with in the both sides of the first noumenon and fixes step-like first bayonet socket 21 being connected with luminous organ housing 1 inwall.
Secondary light source fixture 5 has and receives fixing the second body being connected of PCB assembly 6.Second body is shaped with the second through hole 52 propagated by light.It is shaped with in the both sides of the second body and fixes step-like second bayonet socket 51 being connected with light-receiving device housing 4 inwall.
As shown in Figs. 5 to 7, for the circuit of correlation photoswitch, including luminous PCB assembly 3 and reception PCB assembly 6.
Luminous PCB assembly 3 includes luminous body 31, the pulsed drive module 32 of driven for emitting lights body 31 and the power module 33 being fixed in the first through hole 22.Luminous body 31 preferably employs infrarede emitting diode, and wavelength is 880nm.First through hole 22 can limit the beam angle of luminous body 31.
Sending out the preferred embodiment shown in Fig. 3, the infrarede emitting diode of luminous PCB assembly 3 is fixed on the inner of the first through hole 22, and the outer end of the first through hole 22 is provided with the second collecting lens 34.The light that luminous body 31 sends is after the second collecting lens 34 carries out optically focused, then is sent by the first filter lens 11.Transmitting light is after optically focused, and range is farther, and the receiving sensitivity receiving PCB assembly 6 is higher.
Luminous PCB assembly 3 includes luminous body 31, the pulsed drive module 32 of driven for emitting lights body 31 and power module 33.Luminous organ uses pulsed drive, has the advantages such as capacity of resisting disturbance is strong, transmitting range is remote.
Luminous PCB assembly 3 is provided with voltage stabilizing chip 81.Pulsed drive module 32 includes driving audion 82, and the pulse branch road being made up of first resistance the 83, second resistance 84, electric three resistance the 85, the 4th resistance 86 and the first audion 87 and the second audion 88.Voltage stabilizing chip 81 has Vout interface, Vin interface and GND interface.Vin interface connects 24V power supply.Vout interface is connected with pulse branch road.The colelctor electrode driving audion 82 connects 24V power supply, and base stage connects pulse branch road, and emitter stage connects luminous body 31.
Receive frequency-selecting amplification module 62, amplification rectification module 63 and sequential output module 64 that PCB assembly 6 includes that the photoreceptors 61 being fixed in the second through hole 52 is connected with photoreceptors 61.Photoreceptors 61 preferably employs phototriode.Shown in Fig. 7 is frequency-selecting amplification module 62, amplification rectification module 63 and the circuit diagram of sequential output module 64.
Receive PCB assembly 6 and be provided with Zener diode 91 and the voltage stabilizing branch road of power supply chip 92 composition.Frequency-selecting amplification module 62 includes amplifying triode 93, and the base stage amplifying three poles connects photoreceptors 61, and emitter stage connects sequential processing chip 94.
The sidewall of luminous organ housing 1 and the sidewall of light-receiving device housing 4 are formed respectively with fenestra.First filter lens 11 is fixed in the fenestra of luminous organ housing 1.Second filter lens 41 is fixed in the fenestra of light-receiving device housing 4.
In a preferred embodiment, the second through hole 52 is installed with the first collecting lens 7 in the one end near the second filter lens 41.First collecting lens 7 has spotlight effect, it is achieved the light beam of luminous organ wide-angle becomes low-angle light beam, improves detection sensitivity.
Most preferred embodiment of the present utility model illustrates, those of ordinary skill in the art the various changes made or remodeling are all without departing from scope of the present utility model.
Claims (10)
1. a correlation photoswitch, including luminous organ and light-receiving device, it is characterized in that: described luminous organ includes luminous organ housing (1) and the first light source fixing part (2) being arranged in luminous organ housing (1), luminous PCB assembly (3) and the first filter lens (11)；Described light-receiving device includes light-receiving device housing (4) and the secondary light source fixture (5) being arranged in light-receiving device housing (4), receives PCB assembly (6) and the second filter lens (41)；The optical signal that the described luminous PCB assembly (3) of reception PCB assembly (6) detection sends, and export the detection signal of correspondence.
A kind of correlation photoswitch the most according to claim 1, is characterized in that: described luminous PCB assembly (3) includes luminous body (31), the pulsed drive module (32) of driven for emitting lights body (31) and power module (33)；Described reception PCB assembly (6) includes frequency-selecting amplification module (62), amplification rectification module (63) and the sequential output module (64) that photoreceptors (61) is connected with described photoreceptors (61).
A kind of correlation photoswitch the most according to claim 2, is characterized in that: described luminous body (31) is light emitting diode；Described luminous PCB assembly (3) is provided with voltage stabilizing chip (81)；Described pulsed drive module (32) includes driving audion (82), and the pulse branch road being made up of the first resistance (83), the second resistance (84), electric three resistance (85), the 4th resistance (86) and the first audion (87) and the second audion (88)；Described voltage stabilizing chip (81) has Vout interface, Vin interface and GND interface；Described Vin interface connects 24V power supply；Described Vout interface is connected with described pulse branch road；The colelctor electrode of described driving audion (82) connects 24V power supply, the pulse branch road described in base stage connection, the luminous body (31) described in emitter stage connection.
A kind of correlation photoswitch the most according to claim 3, is characterized in that: described photoreceptors (61) is phototriode；The voltage stabilizing branch road that described reception PCB assembly (6) is provided with Zener diode (91) and power supply chip (92) is constituted；Described frequency-selecting amplification module (62) includes amplifying triode (93), and the photoreceptors (61) described in base stage connection of described amplification three pole, emitter stage connects sequential processing chip (94).
A kind of correlation photoswitch the most according to claim 4, is characterized in that: described luminous organ housing (1) and light-receiving device housing (4) are respectively square plastic casing；The inside of described luminous organ housing (1) is shaped with the first cavity (12) installing described luminous PCB assembly (3)；The inside of described light-receiving device housing (4) is shaped with the second cavity (42) installing described reception PCB assembly (6).
A kind of correlation photoswitch the most according to claim 5, is characterized in that: the top inner wall of described luminous organ housing (1) is shaped with first mounting groove (13) of fixing luminous PCB assembly (3)；The top inner wall of described light-receiving device housing (4) is shaped with second mounting groove (43) of fixed reception PCB assembly (6).
A kind of correlation photoswitch the most according to claim 6, is characterized in that: the top of described luminous organ housing (1) is provided with the first light guide plate (14) and the first adjusting knob (15) being connected with luminous PCB assembly (3)；The top of described light-receiving device housing (4) is provided with the second light guide plate (44), and the second adjusting knob (45) being connected with reception PCB assembly (6).
A kind of correlation photoswitch the most according to claim 7, is characterized in that: described the first light source fixing part (2) has the first noumenon that be connected fixing with luminous PCB assembly (3)；Described the first noumenon is shaped with the first through hole (22) propagated by light；It is shaped with in the both sides of the first noumenon and fixes step-like first bayonet socket (21) being connected with luminous organ housing (1) inwall；Described secondary light source fixture (5) has and receives fixing the second body being connected of PCB assembly (6)；The second described body is shaped with the second through hole (52) propagated by light；It is shaped with in the both sides of the second body and fixes step-like second bayonet socket (51) being connected with light-receiving device housing (4) inwall.
A kind of correlation photoswitch the most according to claim 8, is characterized in that: described luminous PCB assembly (3) includes the luminous body (31) being fixed in the first through hole (22)；Described reception PCB assembly (6) includes the photoreceptors (61) being fixed in the second through hole (52).
A kind of correlation photoswitch the most according to claim 9, is characterized in that: the sidewall of described luminous organ housing (1) and the sidewall of light-receiving device housing (4) are formed respectively with fenestra；Described the first filter lens (11) is fixed in the fenestra of luminous organ housing (1)；Described the second filter lens (41) is fixed in the fenestra of light-receiving device housing (4)；Described the second through hole (52) is installed with the first collecting lens (7) in the one end near the second filter lens (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620505873.2U CN205647483U (en) | 2016-05-30 | 2016-05-30 | Correlation formula photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620505873.2U CN205647483U (en) | 2016-05-30 | 2016-05-30 | Correlation formula photoelectric switch |
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| Publication Number | Publication Date |
|---|---|
| CN205647483U true CN205647483U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620505873.2U Withdrawn - After Issue CN205647483U (en) | 2016-05-30 | 2016-05-30 | Correlation formula photoelectric switch |
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| CN (1) | CN205647483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978545A (en) * | 2016-05-30 | 2016-09-28 | 宁波星宇极光传感科技有限公司 | Opposite type photoelectric switch |
| CN115800986A (en) * | 2023-02-01 | 2023-03-14 | 昆明理工大学 | High-efficient correlation type photoelectric switch based on non-imaging spotlight effect |
-
2016
- 2016-05-30 CN CN201620505873.2U patent/CN205647483U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978545A (en) * | 2016-05-30 | 2016-09-28 | 宁波星宇极光传感科技有限公司 | Opposite type photoelectric switch |
| CN105978545B (en) * | 2016-05-30 | 2019-02-15 | 星宇电子(宁波)有限公司 | A kind of correlation optoelectronic switch |
| CN115800986A (en) * | 2023-02-01 | 2023-03-14 | 昆明理工大学 | High-efficient correlation type photoelectric switch based on non-imaging spotlight effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170728 Address after: 315514, Zhejiang, Ningbo province Fenghua District Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee after: Xingyu electronic (Ningbo) Co. Ltd. Address before: 315514, Ningbo, Zhejiang province Fenghua Jiangkou Street Square Bridge Industrial Zone Hengfeng Road West End Patentee before: Ningbo Xingyu JiGuang Aurora Sensing AND Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20190215 |