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 PDFInfo
- 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
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
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.
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)
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)
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 |
-
2019
- 2019-03-30 CN CN201910253558.3A patent/CN109917633A/en active Pending
Patent Citations (7)
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)
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 |