CN115359640A - Signal alarm device for photoelectric detection - Google Patents
Signal alarm device for photoelectric detection Download PDFInfo
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- CN115359640A CN115359640A CN202211299926.6A CN202211299926A CN115359640A CN 115359640 A CN115359640 A CN 115359640A CN 202211299926 A CN202211299926 A CN 202211299926A CN 115359640 A CN115359640 A CN 115359640A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
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Abstract
The invention relates to the technical field of alarm devices, and discloses a signal alarm device for photoelectric detection.
Description
Technical Field
The invention relates to the technical field of alarm devices, in particular to a signal alarm device for photoelectric detection.
Background
Photoelectric detection utilizes photoelectric effect, changes of light quantity are detected by irradiating a detected object, an optical signal is converted into an electric signal by a photoelectric detection device, the electric signal is transmitted to a controller for subsequent processing, and the photoelectric detection device has the advantages of high sensitivity, non-contact property, high response speed and the like, and is widely applied to the field of industrial detection.
1. When the existing photoelectric detector is used, a better optical signal for detection is required to be obtained in order to obtain an accurate detection result, so that strict requirements are required for the distance between the photoelectric detector and a detected object, and when the existing photoelectric detection device is used, a device for monitoring and alarming the detection distance is not provided, so that when the signal for detection is influenced due to the influence of the distance, the alarm cannot be given at the first time to remind a user of adjusting the distance;
2. the detection head of the photoelectric detector is often contaminated by dust in the using process, the detection precision of the photoelectric detector is seriously influenced, the use of the photoelectric detector is directly influenced, and loss and inconvenience in use are brought to people;
therefore, it is necessary to provide a signal alarm device for photodetection to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides a signal alarm device for photoelectric detection.
The invention provides a signal alarm device for photoelectric detection, which comprises: the detection device comprises a photoelectric detector capable of detecting a detection source and a placing plate for placing the photoelectric detector, wherein the placing plate is movably connected with a fixing frame, the fixing frame is connected with a sliding block in a sliding manner, the top of the sliding block is fixedly connected with the bottom of a detection plate, a detection hole is formed in the end face of the detection plate, a left conducting strip and a right conducting strip which are connected with an alarm circuit are respectively arranged at two ends of the inner wall of the detection hole, the left conducting strip and the right conducting strip are respectively connected with a live wire and a null line of the alarm circuit, a gap is reserved between the left conducting strip and the right conducting strip, the alarm circuit cannot form a closed loop, the null line of the alarm circuit is electrically connected with a signal lamp and a wiring terminal of an alarm, the signal lamp and the other wiring terminal of the alarm are electrically connected with the live wire of the alarm circuit through a change-over switch, the signal lamp and the bottom of the alarm are connected with the top of the detection plate, the detection hole is connected with a detection column in a sliding manner, one end, facing the detection hole, of the detection column is vertically connected with a connecting rod made of a conductive material, and one end of the placing plate is fixedly connected with the placing plate; the detection device comprises a detection plate, a movable screw, a driven gear, a driving gear, a speed reduction motor and a motor frame, wherein the detection plate is provided with a movable hole on one end face, the movable hole is fixedly connected with a movable nut, the movable nut is in threaded connection with the movable screw, the outer wall of the movable screw is sleeved with the driven gear, the driven gear is in meshed connection with the driving gear, the driving gear is connected with the speed reduction motor through a coupler, and the speed reduction motor is placed on the motor frame connected with a fixed frame; the one end terminal surface fixed connection backup pad of mount, electric telescopic handle is connected perpendicularly to the backup pad terminal surface, and electric telescopic handle's flexible end fixed connection surveys the terminal surface of board, surveys the board and is equipped with the detection subassembly that can survey whether there is the dust to photodetector towards photodetector's one end, surveys the subassembly and passes through electric connection dust alarm, spout and lower spout are connected to the top and the bottom sliding connection of surveying the board, go up spout and lower spout setting in the top and the bottom of through-hole inner wall, the through-hole sets up on the terminal surface of baffle, and the one end of through-hole communicates with each other with the terminal surface of baffle, the bottom of baffle is passed through the connecting piece and is linked to each other with the mount.
Preferably, leave the clearance between the edge of connecting rod and the edge that detects post one end, be equipped with left gag lever post and right gag lever post on the mount of the both sides of connecting rod, the top of left side gag lever post and right gag lever post is fixed with respectively and detects solid fixed ring in post matched with left side and the solid fixed ring in right side.
It should be noted that: the connecting rod is positioned on one side of the edge of the detection column, when the two ends of the connecting rod are not connected with the left conducting strip and the right conducting strip, the part of the detection column can be positioned inside the detection hole, so that the detection column is limited, the detection column can be ensured to move along the vertical direction during subsequent monitoring, and the detection column is arranged on the inner sides of the left fixing ring and the right fixing ring by arranging the left fixing ring and the right fixing ring, so that the limitation on the detection column is further improved;
preferably, the detection assembly comprises a light emitter, a detection groove is formed in the end face of the detection plate on one side of the light emitter, a light intensity sensor capable of receiving reflected light is arranged inside the detection groove, the model of the light intensity sensor is GY-30 manufactured by Shenzhen Yangmhong Kong company, the light intensity sensor is electrically connected with a microprocessor capable of comparing a light intensity result with preset light intensity, and the model of the microprocessor is JN5139 manufactured by Shenzhen Zhi Kong company.
Preferably, the vertical electronic slide rail of fixed connection on the mount terminal surface of backup pad one side, vertical electronic slide rail passes through vertical slider sliding connection horizontal electronic slide rail, horizontal electronic slide rail passes through horizontal slider and connects the dust removal movable plate, the terminal surface of dust removal movable plate is equipped with a suction drum, suction drum one end is equipped with the dust absorption hole, and the other end is equipped with the air inlet that has the filter screen, the air pump is connected through the trachea to the one end of air inlet, the air pump is placed on the air pump frame that lies in on the dust removal movable plate terminal surface.
Preferably, a dust cleaning groove is formed in the top of the placing plate, the dust cleaning groove extends from the edge of the end face to the position right below the photoelectric detector, the dust cleaning groove is connected with a dust cleaning block in a sliding mode, and the dust cleaning block is fixedly connected with the bottom of the dust suction cylinder.
Preferably, the top of going up the spout is equipped with threaded last fender hole and lower fender hole respectively with the bottom of spout down, goes up fender hole and lower fender hole threaded connection fender post and fender post down respectively, the top and the bottom of detecting the board are equipped with respectively and survey the overhead gage and survey baffle down.
Preferably, the end faces of the detection plates on two sides of the moving hole are provided with a left sliding hole and a right sliding hole, the left sliding hole and the right sliding hole are connected with a left sliding rod and a right sliding rod in a sliding mode, and the bottoms of the left sliding rod and the right sliding rod are distributed at the top of the fixing frame connected with the right support through a left support.
Preferably, a second left conducting strip and a second right conducting strip are arranged on the inner wall of the detection hole on one side of the second left conducting strip and the inner wall of the detection hole on one side of the right conducting strip, the second left conducting strip and the second right conducting strip are respectively connected with a live wire and a zero line of an alarm circuit, and the distance between the second left conducting strip and the left conducting strip is larger than the diameter of the connecting rod.
Preferably, the outer wall of the movable screw rod is connected with a reminding hole in the end face of the reminding plate in a rotating mode through a bearing, the top of the bottom fixed connection fixing frame of the reminding plate is provided with an indicating plate with an indicating arrow head, and the end face of the reminding plate in the outer side of the reminding hole is provided with scales arranged on the circumference.
Compared with the related art, the signal alarm device for photoelectric detection provided by the invention has the following beneficial effects:
1. according to the invention, the connecting rod capable of moving left and right on the fixing frame is arranged, when the detection distance of the photoelectric detector moves, the connecting rod moves, and then the left conducting strip is connected with the right conducting strip, the alarm circuit forms a complete circuit loop, the alarm is started to remind a user that the position of the photoelectric detector moves, and the photoelectric detector can stretch and retract regularly through the electric telescopic rod, so that the detection lens of the photoelectric detector can be detected regularly, whether the detection lens is polluted by dust can be alarmed at the first time, the user can be reminded to clean the detection lens in time, and after the photoelectric detector detects, the detection plate is moved to the detection position by the electric telescopic rod at the first time, the detection lens can be detected, the detection lens is alarmed at the first time, and further, whether the detection result of the user is accurate or not is reminded;
2. according to the dust collection device, the dust collection barrel is arranged, when the detection assembly finds that dust exists on the end face of the detection lens, the longitudinal electric slide rail and the transverse electric slide rail are started through the controller, the dust collection barrel is moved to be in contact with the end face of the detection lens, negative pressure is formed inside the dust collection barrel by starting the air pump, and then the dust of the detection lens is sucked, so that full-automatic dust collection operation of the detection lens is achieved, the dust collection barrel is cleaned at the first time, the dust is prevented from being accumulated too much, and the detection lens is prevented from being damaged;
3. according to the invention, the left conducting strip II and the right conducting strip II which are connected with the alarm circuit are arranged, the distance between the left conducting strip II and the left conducting strip is larger than the diameter of the connecting rod, the connecting rod is positioned between the left conducting strip II and the left conducting strip during the arrangement, when the photoelectric detector moves in any direction from front to back, the movement can be detected at the first time, the bidirectional movement of the photoelectric detector can be detected, and a user can be reminded of the movement of the position of the photoelectric detector at the first time.
Drawings
FIG. 1 is a schematic structural diagram of a signal alarm device for photodetection according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the probe plate shown in FIG. 1 when it is not probed;
FIG. 3 is a schematic bottom view of the structure of FIG. 2;
FIG. 4 is a schematic view of the sensing board shown in FIG. 1;
FIG. 5 is a schematic view of another angle shown in FIG. 4;
FIG. 6 is a schematic view of the probe assembly shown in FIG. 1;
FIG. 7 is a schematic view of the dust collection canister shown in FIG. 1;
FIG. 8 is a schematic view of the sensing plate of FIG. 1 in use;
the reference numbers in the figures: 1. a photodetector; 2. placing the plate; 3. a fixed mount; 4. a detection column; 5. detecting a plate; 501. detecting holes; 502. a left conductive sheet; 503. a right conductive sheet; 504. a second left conductive sheet; 505. a left sliding hole; 506. a left slide bar; 507. a right slide hole; 508. a right slide bar; 509. a right bracket; 510. a left retaining ring; 511. a left stop lever; 512. a reminder board; 513. a reminder hole; 514. a bearing; 515. an indicator panel; 516. an arrow is indicated; 517. calibration; 518. a left bracket; 519. a second right conductive sheet; 520. a right securing ring; 521. a right stop lever; 6. a connecting rod; 7. a driven gear; 8. a driving gear; 9. a reduction motor; 10. a motor frame; 11. a baffle plate; 111. a detection plate; 112. a light emitter; 113. detecting a groove; 114. a light intensity sensor; 12. a support plate; 13. an electric telescopic rod; 14. a signal lamp; 15. an alarm; 16. a dust alarm; 17. moving the screw; 18. a slider; 19. an upper catch column; 20. a through hole; 21. a lower chute; 22. an upper baffle hole; 23. a connecting member; 24. an upper chute; 25. a lower baffle hole; 201. a longitudinal motorized slide rail; 202. a longitudinal slide block; 203. a transverse electric slide rail; 204. a transverse slide block; 205. cleaning a dust moving plate; 206. a dust suction cylinder; 207. an air pump; 208. an air pump frame; 209. a dust collection hole; 210. a dust cleaning groove; 211. and (5) cleaning dust blocks.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 8, the present invention provides a signal alarm device for photodetection, comprising: the detection device comprises a photoelectric detector 1 capable of detecting a detection source and a placing plate 2 for placing the photoelectric detector 1, wherein the placing plate 2 is movably connected with a fixed frame 3, the fixed frame 3 is connected with a sliding block 18 in a sliding manner, the top of the sliding block 18 is fixedly connected with the bottom of a detection plate 5, a detection hole 501 is formed in the end surface of the detection plate 5, a left conducting plate 502 and a right conducting plate 503 which are connected with an alarm circuit are respectively arranged at two ends of the inner wall of the detection hole 501, the left conducting plate 502 and the right conducting plate 503 are respectively connected with a live wire and a zero wire of the alarm circuit, a gap is reserved between the left conducting plate 502 and the right conducting plate 503, the alarm circuit cannot form a closed loop, the zero wire of the alarm circuit is electrically connected with a signal lamp 14 and a terminal of the alarm 15, the terminal 14 and the other live wire of the alarm circuit are electrically connected through a change-over switch, the bottom of the signal lamp 14 and the alarm 15 is connected with the top of the detection plate 5, the detection hole 501 is connected with a detection column 4 in a sliding manner, one end, which faces towards the detection hole 501, the detection column 4 is vertically connected with a connecting rod 6 made of a conductive material, and one end of the placing plate 2 is fixedly connected with the placing plate 2;
the detection device comprises a detection plate 5, a movable nut, a driven gear 7, a driving gear 8, a speed reduction motor 9 and a motor frame 10, wherein the end face of one end of the detection plate 5 is provided with a movable hole, the movable hole is fixedly connected with the movable nut, the movable nut is in threaded connection with the movable screw 17, the outer wall of the movable screw 17 is sleeved with the driven gear 7, the driven gear 7 is in meshed connection with the driving gear 8, the driving gear 8 is connected with the speed reduction motor 9 through a coupler, and the speed reduction motor 9 is placed on the motor frame 10 connected with a fixed frame 3; the one end terminal surface fixed connection backup pad 12 of mount 3, electric telescopic handle 13 is connected perpendicularly to backup pad 12 terminal surface, and electric telescopic handle 13's flexible fixed connection detecting plate 111's terminal surface, detecting plate 111 are equipped with the detection subassembly that can survey photoelectric detector 1 whether there is the dust towards photoelectric detector 1's one end, and detection subassembly passes through electric connection dust alarm 16, detecting plate 111's top and bottom sliding connection go up spout 24 and lower spout 21, go up spout 24 and lower spout 21 setting top and the bottom at the 20 inner walls of through-hole, through-hole 20 sets up on the terminal surface of baffle 11, and the one end of through-hole 20 communicates with each other with the terminal surface of baffle 11, connecting piece 23 and mount 3 link to each other are passed through to the bottom of baffle 11.
It should be noted that, after the detection distance of the photodetector 1 is adjusted on the fixing frame 3, the photodetector 1 is fixed, then the decelerating motor 9 is started, and the signal lamp 14 is communicated with the alarm circuit through the change-over switch, at this time, the alarm 15 is disconnected with the alarm circuit, the decelerating motor 9 drives the moving screw 17 to rotate, so as to drive the detection plate 5 to slide on the fixing frame 3, until the two ends of the connecting rod 6 slide to connect with the left conductive plate 502 and the right conductive plate 503 respectively, at this time, the alarm circuit forms a complete circuit loop, and the signal lamp 14 is turned on for reminding a user, the connecting rod 6 connects the alarm circuit, then the decelerating motor 9 is started in the reverse direction, until the signal lamp 14 is turned off, the decelerating motor 9 is stopped, then the alarm 15 is connected with the alarm circuit through the change-over switch, the signal lamp 14 is disconnected with the alarm 15, and if the detection distance of the photodetector 1 moves during the use, the connecting rod 6 is driven to connect the left conductive plate 502 with the right conductive plate 503, so as to form a complete circuit loop, and the alarm 15 is started to remind the user;
further, the distance of the detection plate 5 can be finely adjusted by arranging the speed reducing motor 9 and the gear set, so that the distance between the connecting rod 6 and the left conducting strip 502 is ensured to be as short as possible on the premise of ensuring the detection effect, and the accuracy of the detection result is ensured;
it should be further noted that, the baffle 11 is placed in front of the photodetector 1, and the through hole 20 is disposed right in front of the photodetector 1, the size of the through hole 20 is larger than that of the photodetector 1, it is ensured that the photodetector 1 blocks the through hole when detecting, and the detection precision of the photodetector is affected, the electric telescopic rod 13 stretches out and draws back regularly, and the detection lens of the photodetector 1 is detected regularly, whether the detection lens is contaminated by dust can be alarmed at the first time, and after the detection of the photodetector 1, the detection plate 111 is moved to the detection position by the electric telescopic rod 13 at the first time, and the detection lens can be detected, whether the detection lens is contaminated by dust at the first time is alarmed, and then whether the detection result of a user is accurate is reminded.
In the embodiment of the present invention, referring to fig. 4 and 5, a gap is left between the edge of the connecting rod 6 and the edge of one end of the detection column 4, a left limiting rod 511 and a right limiting rod 521 are disposed on the fixing frames 3 at two sides of the connecting rod 6, and a left fixing ring 510 and a right fixing ring 520 which are matched with the detection column 4 are respectively fixed on the top of the left limiting rod 511 and the top of the right limiting rod 521.
It should be noted that: by positioning the connecting rod 6 at one side of the edge of the detection post 4, when the two ends of the connecting rod 6 are not connected with the left conductive sheet 502 and the right conductive sheet 503, the part of the detection post 4 can be positioned inside the detection hole 501, so that a limiting effect is achieved on the detection post 4, the detection post 4 can be ensured to move along the vertical direction during subsequent monitoring, and the detection post 4 is arranged at the inner sides of the left fixing ring 510 and the right fixing ring 520 by arranging the left fixing ring 510 and the right fixing ring 520, so that the limitation on the detection post 4 is further improved; in an embodiment of the present invention, referring to fig. 6, the detecting element includes a light emitter 112, a detecting groove 113 is disposed on an end surface of the detecting plate 111 on one side of the light emitter 112, a light intensity sensor 114 capable of receiving reflected light is disposed inside the detecting groove 113, the light intensity sensor 114 is GY-30 produced by shenzhen renminghan hong ye ltd, the light intensity sensor 114 is electrically connected to a microprocessor capable of comparing a light intensity result with a preset light intensity, and the microprocessor is JN5139 produced by shenzhen minghan shi ltd.
It should be noted that: the light emitter 112 is obliquely arranged on the end face of the detection plate 111, the light intensity sensor 114 is vertically arranged on the detection plate 111, the light emitter 112 emits light rays to the detection lens of the photoelectric detector 1 from an oblique direction, the light intensity sensor 114 is positioned right in front of the detection lens through the reflection of the detection lens and can reflect the light rays to the light intensity sensor 114, at the moment, after the light intensity sensor 114 receives the reflected light rays, the intensity of the light rays is identified, the identified data is transmitted to the microprocessor, and because the light intensity sensor 114 is positioned in the detection groove 113, the light rays reflected by the position of the lens contaminated with dust cannot enter the light intensity sensor 114, the microprocessor compares the received signal with a preset light intensity threshold value, and when the received signal is smaller than the preset value, the signal is sent by the preprocessor, the dust alarm 16 is started, and a user is reminded of cleaning dust;
in the embodiment of the present invention, referring to fig. 7, a longitudinal electric slide rail 201 is fixedly connected to an end surface of the fixing frame 3 on one side of the supporting plate 12, the longitudinal electric slide rail 201 is slidably connected to a transverse electric slide rail 203 through a longitudinal slide block 202, the transverse electric slide rail 203 is connected to a dust removal moving plate 205 through a transverse slide block 204, an end surface of the dust removal moving plate 205 is provided with a dust suction tube 206, one end of the dust suction tube 206 is provided with a dust suction hole 209, the other end of the dust suction tube 206 is provided with an air inlet with a filter screen, one end of the air inlet is connected to an air pump 207 through an air pipe, and the air pump 207 is placed on an air pump frame 208 on an end surface of the dust removal moving plate 205.
It should be noted that: by arranging the dust collection cylinder 206, when the detection assembly finds that dust exists on the end face of the detection lens, the longitudinal electric slide rail 201 and the transverse electric slide rail 203 are started by the controller, the dust collection cylinder 206 is moved to be in contact with the end face of the detection lens, negative pressure is formed inside the dust collection cylinder 206 by starting the air pump 207, and then the dust of the detection lens is sucked, so that full-automatic dust collection operation of the detection lens is realized, dust is collected at the first time, and the detection lens is prevented from being damaged due to excessive dust accumulation; in the embodiment of the present invention, referring to fig. 7, a dust cleaning groove 210 is provided on the top of the placing plate 2, the dust cleaning groove 210 extends from the edge of the end face to the position right below the photodetector 1, the dust cleaning groove 210 is slidably connected to a dust cleaning block 211, and the dust cleaning block 211 is fixedly connected to the bottom of the dust collection cylinder 206.
It should be noted that: the top of the placing plate 2 is provided with the dust cleaning groove 210, and the bottom of the dust suction cylinder 206 is provided with the dust cleaning block 211 matched with the dust cleaning groove, so that on one hand, through the limit of the dust cleaning groove 210, the bottom of the dust suction cylinder 206 is just flush with the bottom of the detection lens when moving downwards, and the length of the dust cleaning groove 210 is set to extend from the edge of the end face to the position right below the photoelectric detector 1, so that the end face of the dust suction cylinder 206 is just connected with the detection lens when moving towards the detection lens, and the dust suction efficiency is improved;
in the embodiment of the present invention, referring to fig. 2 and 3, an upper baffle hole 22 and a lower baffle hole 25 with threads are respectively disposed at the top of the upper chute 24 and the bottom of the lower chute 21, the upper baffle hole 22 and the lower baffle hole 25 are respectively connected to the upper baffle column 19 and the lower baffle column through threads, and the top and the bottom of the detection plate 111 are respectively provided with the upper detection baffle and the lower detection baffle.
It should be noted that: through the upper retaining column 19 and the lower retaining column which are connected through the threads, after the detection plate 111 enters the through hole 20, the detection plate 111 can be limited through the upper retaining column 19 and the lower retaining column, and the problem that the detection plate 111 is moved out of the through hole 20 in the using process and is subsequently dislocated when entering the through hole 20 is solved;
in the embodiment of the present invention, referring to fig. 4 and 5, a left sliding hole 505 and a right sliding hole 507 are provided on the end surface of the detection plate 5 at both sides of the moving hole, the left sliding hole 505 and the right sliding hole 507 are slidably connected with a left sliding rod 506 and a right sliding rod 508, and the bottoms of the left sliding rod 506 and the right sliding rod 508 are connected with the top of the fixing frame 3 through a left bracket 518 and a right bracket 509.
It should be noted that: the detection plate 5 is ensured to be more stable during movement through the limit of the left sliding rod 506 and the right sliding rod 508, the number of the left support 518 and the number of the right support 509 are two, the two support frames are symmetrically arranged at the two ends of the left sliding rod 506 and the right sliding rod 508, and the movement range of the detection plate 5 can be limited through the left support 518 and the right support 509, so that the photoelectric detector 1 is prevented from being collided during movement, and the photoelectric detector 1 is further damaged;
in the embodiment of the present invention, referring to fig. 4 and 5, a second left conductive sheet 504 and a second right conductive sheet 519 are disposed on inner walls of the detection holes on one sides of the second left conductive sheet 502 and the second right conductive sheet 503, the second left conductive sheet 504 and the second right conductive sheet 519 are respectively connected to a live wire and a neutral wire of an alarm circuit, and a distance between the second left conductive sheet 504 and the second left conductive sheet 502 is greater than a diameter of the connecting rod 6.
It should be noted that: by arranging the second left conductive piece 504 and the second right conductive piece 519 connected with the alarm circuit and enabling the distance between the second left conductive piece 504 and the left conductive piece 502 to be larger than the diameter of the connecting rod 6, when the photoelectric detector 1 is arranged, the connecting rod 6 is located between the second left conductive piece 504 and the left conductive piece 502, when the photoelectric detector 1 moves in any direction, the photoelectric detector can detect the movement in two directions at the first time, and the photoelectric detector 1 can detect the movement in two directions;
in the embodiment of the present invention, referring to fig. 4 and 5, the outer wall of the moving screw 17 is rotatably connected to a reminding hole 513 on the end surface of the reminding plate 512 through a bearing 514, the bottom of the reminding plate 512 is fixedly connected to the top of the fixing frame 3, an indicating plate 515 with an indicating arrow 516 is sleeved on one end of the moving screw 17, and a scale 517 circumferentially arranged is arranged on the end surface of the reminding plate 512 outside the reminding hole 513.
It should be noted that: can establish scale 517 into the figure that has the number of degrees to be unanimous with the number of teeth of driven gear 7 with the quantity of scale 517, the accessible indicates the instruction of arrow 516, when removing screw 17 and rotating, but the interval is adjusted to the monodentate, guarantees under the prerequisite of detection effect, and the interval of adjustment is short as far as, guarantees the accuracy nature of testing result.
The working principle of the signal alarm device for photoelectric detection provided by the invention is as follows:
because gaps are reserved between the left conducting strip 502 and the right conducting strip 503 and between the left conducting strip II 504 and the right conducting strip II 519, the alarm circuit cannot form a complete loop, the detection hole 501 is connected with the detection column 4 connected with the placing plate 2 in a sliding mode, the detection column 4 is vertically connected with the connecting rod 6 made of a conducting material, the connecting rod 6 is located between the left conducting strip 502 and the left conducting strip II 504 during initial setting, when the placing plate 2 moves, the connecting rod 6 is driven to move, the detection column 4 is guaranteed to move along the vertical direction of the detection hole 501 through the left fixing ring 510 and the right fixing ring 520, the left conducting strip 502 and the right conducting strip 503 or the left conducting strip II 504 and the right conducting strip 519 are connected at two ends of the connecting rod 6, the alarm circuit forms a complete loop, the alarm 15 is started, the alarm is warned to a user, the photoelectric detector 1 moves, the alarm 15 and the signal lamp 14 cannot be simultaneously communicated with the alarm circuit by arranging the change-over switch, and the alarm 15 cannot be started when the position of the connecting rod 6 is initially set;
the baffle 11 is placed in front of the photoelectric detector 1, the through hole 20 is arranged in front of the photoelectric detector 1, the size of the through hole 20 is larger than that of the photoelectric detector 1, and it is ensured that the photoelectric detector 1 cannot block the receiving and the transmitting of the photoelectric detector 1 when detecting, and the detection precision is affected, the electric telescopic rod 13 stretches out and draws back regularly, and the detection lens of the photoelectric detector 1 is detected regularly, when the detection plate 111 is moved in front of the photoelectric detector 1, because the illuminator 112 is obliquely arranged on the end surface of the detection plate 111, the light intensity sensor 114 is vertically arranged on the detection plate 111, the illuminator 112 emits light to the detection lens of the photoelectric detector 1 from the oblique direction, and the light can be reflected to the light intensity sensor 114 through the reflection of the detection lens, and because the light intensity sensor 114 is positioned in the detection groove 113, therefore, the light reflected by the position where the lens is stained with dust cannot enter the detection groove 113 to be received by the light intensity sensor 114, and the intensity of the reflected light will be reduced, when the microprocessor compares the received signal with the preset light intensity threshold value, and when the light intensity sensor 114 is smaller than the preset value, the pre-detector 16 starts the dust-removing alarm, and the user can be reminded.
The circuits and controls involved in the present invention are all the prior art, and are not described herein in detail.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A signal alarm device for photoelectric detection is characterized by comprising: a photoelectric detector (1) capable of detecting a detection source and a placing plate (2) for placing the photoelectric detector (1), the placing plate (2) is movably connected with a fixed frame (3), the fixed frame (3) is connected with a sliding block (18) in a sliding way, the top of the sliding block (18) is fixedly connected with the bottom of the detection plate (5), the end face of the detection plate (5) is provided with a detection hole (501), two ends of the inner wall of the detection hole (501) are respectively provided with a left conducting strip (502) and a right conducting strip (503) which are connected with an alarm circuit, the left conducting strip (502) and the right conducting strip (503) are respectively connected with a live wire and a zero wire of the alarm circuit, a gap is left between the left conducting strip (502) and the right conducting strip (503) to ensure that the alarm circuit cannot form a closed loop, the zero wire line of the alarm circuit is electrically connected with the wiring terminals of a signal lamp (14) and an alarm (15), the other wiring terminal of the signal lamp (14) and the alarm (15) is electrically connected with the live wire line of the alarm circuit through a change-over switch, the bottom parts of the signal lamp (14) and the alarm (15) are connected with the top part of the detection plate (5), the detection hole (501) is connected with the detection column (4) in a sliding mode, one end, facing the detection hole (501), of the detection column (4) is vertically connected with a connecting rod (6) made of a conductive material, and one end of the detection column (4) is fixedly connected with the placing plate (2);
a moving hole is formed in the end face of one end of the detection plate (5), the moving hole is fixedly connected with a moving nut, the moving nut is in threaded connection with a moving screw (17), a driven gear (7) is sleeved on the outer wall of the moving screw (17), the driven gear (7) is in meshed connection with a driving gear (8), the driving gear (8) is connected with a speed reducing motor (9) through a coupler, and the speed reducing motor (9) is placed on a motor frame (10) connected with the fixed frame (3);
the utility model discloses a photoelectric detector, including the one end of mount (3), the one end terminal surface fixed connection backup pad (12), backup pad (12) terminal surface connects electric telescopic handle (13) perpendicularly, and the terminal surface of the flexible fixed connection detection board (111) of electric telescopic handle (13), detection board (111) are equipped with towards the one end of photoelectric detector (1) and can carry out the detection subassembly that surveys to photoelectric detector (1) whether there is the dust, and detection subassembly passes through electric connection dust alarm (16), the top of detection board (111) and bottom sliding connection go up spout (24) and lower chute (21), go up spout (24) and lower chute (21) and set up top and bottom at through-hole (20) inner wall, through-hole (20) set up on the terminal surface of baffle (11), and the one end of through-hole (20) communicates with each other with the terminal surface of baffle (11), the bottom of baffle (11) is passed through connecting piece (23) and is linked to each other with mount (3).
2. The signal alarm device for photoelectric detection according to claim 1, wherein a gap is left between the edge of the connecting rod (6) and the edge of one end of the detection column (4), a left limit rod (511) and a right limit rod (521) are arranged on the fixing frames (3) at two sides of the connecting rod (6), and a left fixing ring (510) and a right fixing ring (520) which are matched with the detection column (4) are respectively fixed at the tops of the left limit rod (511) and the right limit rod (521).
3. The signal alarm device for photoelectric detection according to claim 1, wherein the detection assembly comprises a light emitter (112), a detection groove (113) is formed in an end face of the detection plate (111) on one side of the light emitter (112), a light intensity sensor (114) capable of receiving reflected light is arranged in the detection groove (113), and the light intensity sensor (114) is electrically connected with a microprocessor capable of comparing a light intensity result with preset light intensity.
4. The signal alarm device for photoelectric detection according to claim 3, wherein a longitudinal electric slide rail (201) is fixedly connected to the end surface of the fixing frame (3) on one side of the supporting plate (12), the longitudinal electric slide rail (201) is slidably connected to a transverse electric slide rail (203) through a longitudinal slide block (202), the transverse electric slide rail (203) is connected to the dust removal moving plate (205) through a transverse slide block (204), a dust suction tube (206) is arranged on the end surface of the dust removal moving plate (205), one end of the dust suction tube (206) is provided with a dust suction hole (209), the other end of the dust suction tube is provided with an air inlet with a filter screen, one end of the air inlet is connected to the air pump (207) through an air pipe, and the air pump (207) is placed on an air pump frame (208) on the end surface of the dust removal moving plate (205).
5. The signal alarm device for photoelectric detection according to claim 4, wherein a dust cleaning groove (210) is formed in the top of the placing plate (2), the dust cleaning groove (210) extends from the edge of the end face to the position right below the photoelectric detector (1), the dust cleaning groove (210) is slidably connected with a dust cleaning block (211), and the dust cleaning block (211) is fixedly connected with the bottom of the dust suction cylinder (206).
6. The signal alarm device for photoelectric detection according to claim 1, wherein an upper baffle hole (22) and a lower baffle hole (25) with threads are respectively formed in the top of the upper chute (24) and the bottom of the lower chute (21), the upper baffle hole (22) and the lower baffle hole (25) are respectively connected with the upper baffle column (19) and the lower baffle column through threads, and the top and the bottom of the detection plate (111) are respectively provided with the upper detection baffle and the lower detection baffle.
7. The signal alarm device for photoelectric detection according to claim 1, wherein a left sliding hole (505) and a right sliding hole (507) are provided on the end surface of the detection plate (5) at both sides of the moving hole, the left sliding hole (505) and the right sliding hole (507) are slidably connected with the left sliding rod (506) and the right sliding rod (508), and the bottoms of the left sliding rod (506) and the right sliding rod (508) are distributed on the top of the fixing frame (3) connected with the right bracket (509) through the left bracket (518).
8. The signal alarm device for photoelectric detection according to claim 1, wherein a left conductive piece II (504) and a right conductive piece II (519) are arranged on inner walls of the detection holes on one sides of the left conductive piece (502) and the right conductive piece (503), the left conductive piece II (504) and the right conductive piece II (519) are respectively connected with a live wire and a zero wire of the alarm circuit, and a distance between the left conductive piece II (504) and the left conductive piece (502) is larger than a diameter of the connecting rod (6).
9. The signal alarm device for the photoelectric detection according to claim 8, wherein an outer wall of the movable screw (17) is rotatably connected with a reminding hole (513) on an end face of the reminding plate (512) through a bearing (514), the bottom of the reminding plate (512) is fixedly connected with the top of the fixed frame (3), an indicating plate (515) with an indicating arrow (516) is sleeved on one end of the movable screw (17), and scales (517) arranged circumferentially are arranged on an end face of the reminding plate (512) outside the reminding hole (513).
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| CN202211299926.6A CN115359640B (en) | 2022-10-24 | 2022-10-24 | Signal alarm device for photoelectric detection |
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| CN202211299926.6A CN115359640B (en) | 2022-10-24 | 2022-10-24 | Signal alarm device for photoelectric detection |
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| CN115359640B CN115359640B (en) | 2022-12-30 |
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| FR2591372A1 (en) * | 1985-12-06 | 1987-06-12 | Cerberus Guinard | Object movement alarm device |
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| CN208518714U (en) * | 2018-08-02 | 2019-02-19 | 安徽中发环保科技有限公司 | A kind of mine dust suppression monitoring alarm device |
| CN210464368U (en) * | 2019-08-15 | 2020-05-05 | 扬州鼎诺无纺制品有限公司 | Skew alarm mechanism of non-woven fabrics processing usefulness |
| CN211191033U (en) * | 2019-09-21 | 2020-08-07 | 苏州大仕元机械有限公司 | High-reliability quick detection device |
| CN216566882U (en) * | 2021-11-24 | 2022-05-20 | 安徽理工大学 | Practical recognition alarm device for intelligent detection of coal mine tunnel deformation |
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2022
- 2022-10-24 CN CN202211299926.6A patent/CN115359640B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591372A1 (en) * | 1985-12-06 | 1987-06-12 | Cerberus Guinard | Object movement alarm device |
| CN106645196A (en) * | 2016-12-15 | 2017-05-10 | 广东威创视讯科技股份有限公司 | Dust detector of projection lens and dust remover |
| CN208518714U (en) * | 2018-08-02 | 2019-02-19 | 安徽中发环保科技有限公司 | A kind of mine dust suppression monitoring alarm device |
| CN210464368U (en) * | 2019-08-15 | 2020-05-05 | 扬州鼎诺无纺制品有限公司 | Skew alarm mechanism of non-woven fabrics processing usefulness |
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| CN216566882U (en) * | 2021-11-24 | 2022-05-20 | 安徽理工大学 | Practical recognition alarm device for intelligent detection of coal mine tunnel deformation |
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| CN115359640B (en) | 2022-12-30 |
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