CN109917633A - A kind of turret clock clock hand position detecting device and its detection method - Google Patents

A kind of turret clock clock hand position detecting device and its detection method Download PDF

Info

Publication number
CN109917633A
CN109917633A CN201910253558.3A CN201910253558A CN109917633A CN 109917633 A CN109917633 A CN 109917633A CN 201910253558 A CN201910253558 A CN 201910253558A CN 109917633 A CN109917633 A CN 109917633A
Authority
CN
China
Prior art keywords
detection
clock
hand
turret
dial plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910253558.3A
Other languages
Chinese (zh)
Inventor
史亚萍
王慧
范国栋
亓智超
王宗纲
朱子鑫
华臻
孙钰凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANTAI CHIJIU CLOCK-WATCH Co Ltd
Original Assignee
YANTAI CHIJIU CLOCK-WATCH Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YANTAI CHIJIU CLOCK-WATCH Co Ltd filed Critical YANTAI CHIJIU CLOCK-WATCH Co Ltd
Priority to CN201910253558.3A priority Critical patent/CN109917633A/en
Publication of CN109917633A publication Critical patent/CN109917633A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)

Abstract

The present invention relates to a kind of turret clock clock hand position detecting device and its detection methods, belong to turret clock clock hand position detecting device technical field.Detection box including being installed on the turret clock clock dial back side, detection dial plate is installed in detection box, detecting installation on dial plate, there are three detect clock hand, three detection clock hand are rotated synchronously with three turret clock clock hand of turret clock respectively by drive wheel mechanism, the opposite of detection dial plate is equipped with camera, the one side of three detection clock hand towards camera is coated with colour code at terminal position, the colour code color of three detection clock hand is different, camera is communicated by bus and front end CPU, front end CPU is communicated by bus and dual port RAM, dual port RAM is communicated by bus and FPGA processor, FPGA processor is passed the information on by rear end CPU to remote display.Whether high reliablity of the present invention, synchronizing information is transferred to remote server when can walk turret clock clock hand, accurate when turret clock is walked so as to understand in time.

Description

A kind of turret clock clock hand position detecting device and its detection method
Technical field
The present invention relates to a kind of turret clock clock hand position detecting device and its detection methods, belong to turret clock clock hand position detection dress Set technical field.
Background technique
Heavy construction clock and watch (abbreviation turret clock) are a kind of public infrastructures, higher to reliability requirement, therefore, accurately It is very necessary to detect turret clock clock hand position.
Currently, the method for detection turret clock clock hand position mainly has following three kinds:
1, turret clock clock hand position is detected using selsyn, encoder etc., structure is complicated for such detection method, at high cost;
2, using resistor type angle detection device, such structure of the detecting device design is unreasonable, and testing cost is high;
3, using earlier picture formula angle detection device, such structure of the detecting device is cumbersome, and production required precision is high, production cost It is high.
With the maturation and extensive use of camera and image processing techniques, price becomes very low, but in turret clock clock hand Position detection field has not been reported.
It would therefore be highly desirable to a kind of turret clock clock hand position detecting device that can overcome the above problem and its detection method occur.
Summary of the invention
In place of solving above-mentioned the shortcomings of the prior art, a kind of smart structural design is provided, Low in cost, high reliablity, synchronizing information is transferred to remote server when can walk turret clock clock hand, so as to understand turret clock in time Whether accurately and reliably turret clock clock hand position detecting device and its detection method when walking.
A kind of turret clock clock hand position detecting device, is characterized in that the detection case including being installed on the turret clock clock dial back side Body 1 is equipped with detection dial plate 6 in detection box 1, detects and is equipped with detection second hand 7, detection minute hand 8, detection hour hands on dial plate 6 9, detection second hand 7, detection minute hand 8, detection hour hands 9 are divided with the turret clock second hand 37 of turret clock 21, turret clock respectively by drive wheel mechanism Needle 38, turret clock hour hands 39 rotate synchronously, and the opposite of detection dial plate 6 is equipped with the camera shooting for 6 image information of acquisition testing dial plate First 11, detection second hand 7, detection minute hand 8, the one side for detecting hour hands 9 towards camera 11 are coated with colour code at terminal position 2, detection second hand 7, detection minute hand 8, the colour code 2 color difference for detecting hour hands 9, camera 11 pass through bus and front end CPU12 phase Communication, front end CPU12 are communicated by bus with dual port RAM 13, and dual port RAM 13 is communicated by bus with FPGA processor 14 News, FPGA processor 14 are passed the information on by rear end CPU15 to remote display 16;
Preferably, the top of the detection box 1 is equipped with the case lid 17 that can be opened or closed, and is also equipped with photograph in detection box 1 Bright lamp 18;
Preferably, the observation panel 19 for observing detection dial plate 6 is offered in the detection box 1;
Preferably, the turret clock 21 is installed on mounting rack 20, and 20 upper surface face of mounting rack is detected and installed at the position of dial plate 6 There is level meter, the vertical line 23 of level meter is installed on detection dial plate 6, and the bottom of vertical line 23 is equipped with pendulum 24, the level of level meter Seat 22 is installed on mounting rack 20;
Preferably, coating detects the second there are two neat colour code 25 is marked on the vertical line between detection 6 central axis of dial plate and 12 points Needle 7, detection minute hand 8, the neat colour code 25 of corresponding two marks of detection hour hands 9 position at open up that there are two be aligned hole 26;
Preferably, the drive wheel mechanism includes the axle of carrier pulley 27 rotated synchronously with the turret clock second axis 10 of turret clock 21, axle of carrier pulley 27 Detection second wheel 29 is driven to rotate synchronously by detection idle wheel 28, detection second wheel 29 drives detection second axis 32 to rotate synchronously, and detects the second When axis 32 drives detection second hand 7 to walk, meanwhile, detection second wheel 29 drives detection third wheel 30 to rotate synchronously, and detection third wheel 30 drives inspection Minute measuring wheel 31 rotates synchronously, and detection minute wheel 31 drives detection split axle 33 to rotate synchronously, and detection split axle 33 drives detection minute hand 8 to walk When, meanwhile, detection minute wheel 31 drives detection back gear 34 to rotate synchronously, and detection back gear 34 drives detection hour wheel 35 to rotate synchronously, inspection It surveys axis 36 when hour wheel 35 drives detection to rotate synchronously, when axis 36 drives detection hour hands 9 to walk when detection;
Preferably, the end of the turret clock second axis 10 offers mounting groove, and axle of carrier pulley 27 inserts in mounting groove, solid by screw 40 It is fixed;
A kind of detection method of turret clock clock hand position detecting device, be characterized in that the following steps are included:
1, it is monitored in real time by camera 11 and detects second hand 7, detection minute hand 8, the position for detecting hour hands 9 on detection dial plate 6, passed through Bus passes in the CPU12 of front end;
2, front end CPU12 is passed in dual port RAM 13 by bus, reads and writes the monitoring information from camera 11 at any time;
3, dual port RAM 13 is passed the information on into FPGA processor 14, due on detection second hand 7, detection minute hand 8, detection hour hands 9 It is respectively equipped with the colour code 2 of three kinds of colors, FPGA processor 14 is analyzed and processed acquired image color, so that it is determined that inspection Second hand 7, detection minute hand 8, the position for detecting hour hands 9 are surveyed, remote display 16 is passed to finally by rear end CPU15, realizes pair The accurate positionin of turret clock pointer.
Preferably, the step of whether detection pointer is directed at scale is additionally provided with before the step 1, specific as follows:
Whether detection 6 scale of dial plate is directed at using level meter detection pointer;
Preferably, the step of whether detection pointer is directed at scale is additionally provided with before the step 1, specific as follows:
Two on dial plate 6 are detected by observation and marks whether neat colour code 25 is aligned with the hole 26 that is aligned on pointer, to ensure pointer Whether it is aligned with detection 6 scale of dial plate.
Turret clock clock hand angle measurement unit of the invention can overcome traditional angle positioning device such as selsyn, coding Device etc. it is at high cost, production is complicated and inconvenient for use the defects of, be adapted to grandfather clock pointer angle positioning requirements, the present invention It being capable of real-time, essence by camera to detection hour hands, detection minute hand, detection second hand real time monitoring using the colour code of different colours Quasi- regular inspection really surveys hour hands, detection minute hand, the position for detecting second hand, so that it is determined that on turret clock each pointer position, the invention Install precisely convenience, using flexible, production cost is low, reliability is higher, while using back sight, be aligned hole and level meter come Guarantee that pointer is aligned scale, reduces error.
Detailed description of the invention
A kind of Fig. 1: turret clock clock hand position detecting device external structure schematic diagram of the present invention;
A kind of Fig. 2: turret clock clock hand position detecting device detection box schematic diagram of internal structure of the present invention;
Fig. 3: the structural schematic diagram that drive wheel mechanism is matched with turret clock;
Fig. 4: the enlarged drawing of drive wheel mechanism;
A kind of Fig. 5: the structural schematic diagram of the detection dial plate of turret clock clock hand position detecting device of the present invention;
A kind of Fig. 6: the structural schematic diagram of the detection second hand of turret clock clock hand position detecting device of the present invention.
In figure: 1, detection box;2, colour code;7, second hand is detected;8, minute hand is detected;9, hour hands are detected;10, turret clock second axis; 11, camera;12, front end CPU;13, dual port RAM;14, FPGA processor;15, rear end CPU;16, remote display;17, case Lid;18, headlamp;19, observation panel;20, mounting rack;21, turret clock;22, horizontal base;23, vertical line;24, pendulum;25, neat color is marked Mark;26, it is aligned hole;27, axle of carrier pulley;28, idle wheel is detected;29, second wheel is detected;30, third wheel is detected;31, minute wheel is detected;32, it examines Survey second axis;33, split axle is detected;34, back gear is detected;35, hour wheel is detected;36, axis when detecting;37, turret clock second hand;38, turret clock point Needle;39, turret clock hour hands;40, screw.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of turret clock clock hand position detecting device of the present embodiment, with reference to attached drawing 1-6, the inspection including being installed on the turret clock clock dial back side Measuring tank body 1 is equipped with detection dial plate 6 in detection box 1, detects and is equipped with detection second hand 7, detection minute hand 8, detection on dial plate 6 Hour hands 9, detection second hand 7, detection minute hand 8, detection hour hands 9 by drive wheel mechanism respectively with turret clock second hand 37, the tower of turret clock 21 Clock minute hand 38, turret clock hour hands 39 rotate synchronously, and the opposite of detection dial plate 6 is equipped with for 6 image information of acquisition testing dial plate Camera 11, detection second hand 7, detection minute hand 8, the one side for detecting hour hands 9 towards camera 11 are coated at terminal position Colour code 2, detection second hand 7, detection minute hand 8, the colour code 2 color difference for detecting hour hands 9, camera 11 pass through bus and front end CPU12 communicates, and front end CPU12 is communicated by bus with dual port RAM 13, and dual port RAM 13 passes through bus and FPGA processor 14 communicate, and FPGA processor 14 is passed the information on by rear end CPU15 to remote display 16;
For the ease of overhauling and shooting convenient for camera 11, the top of detection box 1 is equipped with the case lid 17 that can be opened or closed, Headlamp 18 is also equipped in detection box 1;
Relatively accurately observe whether each detection clock hand is aligned with detection dial scale in order to facilitate human eye, in detection box 1 Offer the observation panel 19 for observing detection dial plate 6;
In order to detect whether the pointer on detection dial plate 6 is aligned with scale, it is additionally provided with level meter, specifically: turret clock 21 is installed on On mounting rack 20, level meter is installed at the position of 20 upper surface face of mounting rack detection dial plate 6, the vertical line 23 of level meter is installed In on detection dial plate 6, the bottom of vertical line 23 is equipped with pendulum 24, and the horizontal base 22 of level meter is installed on mounting rack 20;
In order to further ensure that the scale on detection pointer and detection dial plate to it, between detection 6 central axis of dial plate and at 12 points Vertical line on coating there are two mark neat colour code 25, detection second hand 7, detection minute hand 8, the neat colour codes of corresponding two marks of detection hour hands 9 Hole 26 is aligned there are two opening up at 25 position;
In order to realize that turret clock second hand, turret clock minute hand, the turret clock hour hands of detection second hand, detection minute hand, detection hour hands and turret clock link, The specific structure of drive wheel mechanism are as follows: drive wheel mechanism includes the axle of carrier pulley 27 rotated synchronously with the turret clock second axis 10 of turret clock 21, Axle of carrier pulley 27 drives detection second wheel 29 to rotate synchronously by detection idle wheel 28, and detection second wheel 29 drives detection second axis 32 is synchronous to turn It is dynamic, when detection second axis 32 drives detection second hand 7 to walk, meanwhile, detection second wheel 29 drives detection third wheel 30 to rotate synchronously, and detects third wheel 30 drive detection minute wheel 31 to rotate synchronously, and detection minute wheel 31 drives detection split axle 33 to rotate synchronously, and detection split axle 33 drives detection When minute hand 8 is walked, meanwhile, detection minute wheel 31 drives detection back gear 34 to rotate synchronously, and detection back gear 34 drives detection hour wheel 35 synchronous Rotation, axis 36 rotates synchronously when detection hour wheel 35 drives detection, when axis 36 drives detection hour hands 9 to walk when detection;
In order to facilitate the installation of, the end of turret clock second axis 10 offers mounting groove, and axle of carrier pulley 27 inserts in mounting groove, passes through screw 40 It is fixed.
Embodiment 2
The detection method of a kind of turret clock clock hand position detecting device of the present embodiment, referring to attached drawing 1-6, comprising the following steps:
1, it is monitored in real time by camera 11 and detects second hand 7, detection minute hand 8, the position for detecting hour hands 9 on detection dial plate 6, passed through Bus passes in the CPU12 of front end;
2, front end CPU12 is passed in dual port RAM 13 by bus, reads and writes the monitoring information from camera 11 at any time;
3, dual port RAM 13 is passed the information on into FPGA processor 14, due on detection second hand 7, detection minute hand 8, detection hour hands 9 It is respectively equipped with the colour code 2 of three kinds of colors, FPGA processor 14 is analyzed and processed acquired image color, so that it is determined that inspection Second hand 7, detection minute hand 8, the position for detecting hour hands 9 are surveyed, remote display 16 is passed to finally by rear end CPU15, realizes pair The accurate positionin of turret clock pointer.
Embodiment 3
The present embodiment the difference from example 2 is that: be additionally provided with before the step 1 of embodiment 2 detection pointer whether be directed at quarter The step of spending, specific as follows:
Whether detection 6 scale of dial plate is directed at using level meter detection pointer;
And/or two detected on dial plate 6 by observation mark whether neat colour code 25 is aligned with the hole 26 that is aligned on pointer, to ensure Whether pointer is aligned with detection 6 scale of dial plate.
Turret clock clock hand position detecting device of the invention can overcome traditional angle positioning device such as selsyn, coding Device etc. it is at high cost, production is complicated and inconvenient for use the defects of, be adapted to grandfather clock pointer angle positioning requirements.The present invention Using the colour code of different colours, by camera to the real time monitoring of hour hands, minute hand, second hand, can in real time, when accurately determining The position of needle, minute hand, second hand, so that it is determined that on turret clock each pointer position, the invention install precisely convenience, using flexible, Production cost is low, reliability is higher.Guarantee that pointer alignment is readable using back sight, alignment hole and level meter, reduces error.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of turret clock clock hand position detecting device, it is characterised in that the detection box (1) including being installed on the turret clock clock dial back side, Detection dial plate (6) is installed in detection box (1), detection second hand (7), detection minute hand (8), inspection are installed in detection dial plate (6) It surveys hour hands (9), detection second hand (7), detection minute hand (8), detection hour hands (9) pass through the drive wheel mechanism tower with turret clock (21) respectively Clock second hand (37), turret clock minute hand (38), turret clock hour hands (39) rotate synchronously, and detection dial plate (6) opposite is equipped with for acquiring inspection The camera (11) of dial plate (6) image information is surveyed, detection second hand (7), detection minute hand (8) detect hour hands (9) towards camera (11) one side is coated with colour code (2) at terminal position, detection second hand (7), detection minute hand (8), the color for detecting hour hands (9) It is different to mark (2) color, camera (11) is communicated by bus with front end CPU(12), front end CPU(12) pass through bus and twoport RAM(13 it) communicates, dual port RAM (13) is communicated by bus with FPGA processor (14), after FPGA processor (14) passes through End CPU(15) it passes the information on to remote display (16).
2. a kind of turret clock clock hand position detecting device described in accordance with the claim 1, it is characterised in that the detection box (1) Top is equipped with the case lid (17) that can be opened or closed, and is also equipped with headlamp (18) in detection box (1).
3. a kind of turret clock clock hand position detecting device described in accordance with the claim 1, it is characterised in that on the detection box (1) Offer the observation panel (19) for observing detection dial plate (6).
4. a kind of turret clock clock hand position detecting device described in accordance with the claim 1, it is characterised in that turret clock (21) installation In on mounting rack (20), being equipped with level meter at the position of mounting rack (20) upper surface face detection dial plate (6), level meter hangs down Line (23) is installed in detection dial plate (6), and the bottom of vertical line (23) is equipped with pendulum (24), and the horizontal base (22) of level meter is installed on On mounting rack (20).
5. a kind of turret clock clock hand position detecting device described in accordance with the claim 1, it is characterised in that in the detection dial plate (6) Coating is there are two neat colour code (25) is marked on vertical line between mandrel and 12 points, when detecting second hand (7), detection minute hand (8), detection Hole (26) are aligned there are two opening up at the position of the neat colour code (25) of corresponding two marks of needle (9).
6. a kind of turret clock clock hand position detecting device described in accordance with the claim 1, it is characterised in that the drive wheel mechanism packet The axle of carrier pulley (27) rotated synchronously with the turret clock second axis (10) of turret clock (21) is included, axle of carrier pulley (27) is driven by detection idle wheel (28) It detects second wheel (29) to rotate synchronously, detection second wheel (29) drives detection second axis (32) to rotate synchronously, and detection second axis (32) drives inspection When survey second hand (7) is walked, meanwhile, detection second wheel (29) drives detection third wheel (30) to rotate synchronously, and detects third wheel (30) and drives detection Minute wheel (31) rotates synchronously, and detection minute wheel (31) drives detection split axle (33) to rotate synchronously, and detection split axle (33) drives detection point When needle (8) is walked, meanwhile, detection minute wheel (31) drives detection back gear (34) to rotate synchronously, and detection back gear (34) drives detection hour wheel (35) it rotates synchronously, axis (36) rotates synchronously when detection hour wheel (35) drives detection, and axis (36) drives detection hour hands (9) when detection When walking.
7. a kind of turret clock clock hand position detecting device according to claim 6, it is characterised in that the turret clock second axis (10) End offer mounting groove, axle of carrier pulley (27) inserts in mounting groove, and it is fixed to pass through screw (40).
8. a kind of detection method of turret clock clock hand position detecting device, it is characterised in that the following steps are included:
1), by detecting second hand (7), detection minute hand (8), detection hour hands (9) in camera (11) real time monitoring detection dial plate (6) Position, front end CPU(12 is passed to by bus) in;
2), front end CPU(12) it is passed in dual port RAM (13) by bus, read-write comes from the monitoring information of camera (11) at any time;
3), dual port RAM (13) is passed the information on into FPGA processor (14), due to detection second hand (7), detection minute hand (8), inspection The colour code (2) that three kinds of colors are respectively equipped on hour hands (9) is surveyed, FPGA processor (14) analyzes acquired image color Processing, so that it is determined that detection second hand (7), detection minute hand (8), the position for detecting hour hands (9), pass finally by rear end CPU(15) To remote display (16), the accurate positionin to turret clock pointer is realized.
9. a kind of detection method of turret clock clock hand position detecting device according to claim 8, it is characterised in that the step Rapid 1) be additionally provided with before detects the step of whether pointer is directed at scale, specific as follows:
Whether detection dial plate (6) scale is directed at using level meter detection pointer.
10. a kind of detection method of turret clock clock hand position detecting device according to claim 8, it is characterised in that the step Rapid 1) be additionally provided with before detects the step of whether pointer is directed at scale, specific as follows:
Two on dial plate (6) are detected by observation and marks whether neat colour codes (25) are aligned with the hole (26) that is aligned on pointer, are come true Protect whether pointer is aligned with detection dial plate (6) scale.
CN201910253558.3A 2019-03-30 2019-03-30 A kind of turret clock clock hand position detecting device and its detection method Pending CN109917633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910253558.3A CN109917633A (en) 2019-03-30 2019-03-30 A kind of turret clock clock hand position detecting device and its detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910253558.3A CN109917633A (en) 2019-03-30 2019-03-30 A kind of turret clock clock hand position detecting device and its detection method

Publications (1)

Publication Number Publication Date
CN109917633A true CN109917633A (en) 2019-06-21

Family

ID=66967875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910253558.3A Pending CN109917633A (en) 2019-03-30 2019-03-30 A kind of turret clock clock hand position detecting device and its detection method

Country Status (1)

Country Link
CN (1) CN109917633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110647029A (en) * 2019-09-27 2020-01-03 歌尔股份有限公司 Intelligent wristwatch and time calibration method and device thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2366873Y (en) * 1999-03-26 2000-03-01 山东烟台钟表研究所 Slave clock having automatic calibration function
CN101975553A (en) * 2010-10-14 2011-02-16 烟台持久钟表集团有限公司 Clock hand position detection device and detection method
CN204054034U (en) * 2014-08-07 2014-12-31 中国神华能源股份有限公司 A kind of elbow-making scriber
CN204180194U (en) * 2014-11-06 2015-02-25 烟台持久钟表有限公司 A kind of turret clock long distance control system
CN204192744U (en) * 2014-10-24 2015-03-11 中国人民解放军军事医学科学院附属医院 CT guided puncture angle navigation device and there is its CT machine
JP2016057192A (en) * 2014-09-10 2016-04-21 セイコーインスツル株式会社 Electronic apparatus, time processing system, time processing method, and time processing program
CN209446984U (en) * 2019-03-30 2019-09-27 烟台持久钟表有限公司 A kind of turret clock clock hand position detecting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2366873Y (en) * 1999-03-26 2000-03-01 山东烟台钟表研究所 Slave clock having automatic calibration function
CN101975553A (en) * 2010-10-14 2011-02-16 烟台持久钟表集团有限公司 Clock hand position detection device and detection method
CN204054034U (en) * 2014-08-07 2014-12-31 中国神华能源股份有限公司 A kind of elbow-making scriber
JP2016057192A (en) * 2014-09-10 2016-04-21 セイコーインスツル株式会社 Electronic apparatus, time processing system, time processing method, and time processing program
CN204192744U (en) * 2014-10-24 2015-03-11 中国人民解放军军事医学科学院附属医院 CT guided puncture angle navigation device and there is its CT machine
CN204180194U (en) * 2014-11-06 2015-02-25 烟台持久钟表有限公司 A kind of turret clock long distance control system
CN209446984U (en) * 2019-03-30 2019-09-27 烟台持久钟表有限公司 A kind of turret clock clock hand position detecting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110647029A (en) * 2019-09-27 2020-01-03 歌尔股份有限公司 Intelligent wristwatch and time calibration method and device thereof

Similar Documents

Publication Publication Date Title
CN109870279A (en) Deflection of bridge span detection system and detection method based on digital image processing techniques
CN210833527U (en) Measuring instrument suitable for slope
CN101900548B (en) Omnibearing tilt sensor based on machine vision
CN209446984U (en) A kind of turret clock clock hand position detecting device
CN109917633A (en) A kind of turret clock clock hand position detecting device and its detection method
CN207019635U (en) Fiber end face angle measurement unit
CN1963564A (en) Intelligence testing apparatus for precipitation rain fall based on computer vision
Yang et al. Monocular vision-based Earth’s graviation method used for low-frequency vibration calibration
CN201903342U (en) Optical splitting goniometer
CN113624228A (en) Synchronous calibration device and method for image sensor and accelerometer
CN212484096U (en) Time precision detection device
CN201804219U (en) Clock hand position detecting device
CN214471200U (en) Diaphragm type gas table calibrating installation
CN109029537A (en) A kind of pointer-type sync bit indicator test device and its application method
CN205861144U (en) The gas meter counter direct readout of digital image understanding technology
CN203178032U (en) Auxiliary reading device of measurement-based force measurement device
CN206177984U (en) High -precision degree rotational speed measuring device
CN209147971U (en) Die edge radian detecting device
CN209326629U (en) Vertical bar inclinator
CN208206304U (en) A kind of radium-shine cigarette-brand color difference measuring device
CN109373852A (en) It is a kind of to measure the device of reciprocating compressor piston stroke, method and its application
CN2909165Y (en) Digital display dialgage
CN113835329A (en) Time precision detection device and method
CN202587248U (en) Doom cover image quality detector
CN220508959U (en) Wind speed measuring instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination