CN112461863B - Glass window damage detection and positioning method - Google Patents
Glass window damage detection and positioning method Download PDFInfo
- Publication number
- CN112461863B CN112461863B CN202011287585.1A CN202011287585A CN112461863B CN 112461863 B CN112461863 B CN 112461863B CN 202011287585 A CN202011287585 A CN 202011287585A CN 112461863 B CN112461863 B CN 112461863B
- Authority
- CN
- China
- Prior art keywords
- generator
- glass
- light
- track
- controller
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 103
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000011895 specific detection Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Classifications
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a glass window breakage detection and positioning method, which comprises a glass window formed by glass and a frame, wherein a glazing generator, a downlight generator and a light receiver are arranged in the glass window, the glazing generator, the downlight generator and the light receiver are all electrically connected with a controller, and the glass incident light is detected through the rotation of the glazing generator and the downlight generator and the breakage position can be displayed in a display; the light rays generated when the light passes through the breakage position are deflected according to the principle that the light passes through the glass and is refracted, so that a signal of glass breakage is obtained, and the signal is sent to an alarm for alarm; and marking the initial position light and the final position light on the damaged position of the glass through the controller, solving the mathematical relationship of the position light in a coordinate system to obtain quadrilateral endpoint coordinates where the damaged position is located, displaying the quadrilateral endpoint coordinates in a display, and facilitating maintenance by maintenance personnel.
Description
Technical Field
The invention relates to the field of intelligent home, in particular to a glass window breakage detection and positioning method.
Background
The modern society is developed more and more, the skyscraper stands, most building outer walls are decorated by adopting toughened glass windows, the glass windows are concise and elegant, but potential safety hazards exist, the damage and fragmentation of the monitored glass outer walls are a current big problem, the existing glass window detection methods are many, such as detection modes of monitoring by adopting sound collection or using copper wires to be arranged around the glass windows for power on, the methods can achieve the effect of detecting glass damage from the purpose, but the damage and deformation of the glass windows can cause the devices to be damaged together and cannot be reused, and meanwhile, the method is easy to be interfered by surrounding environment and has poor positioning function on local small damage, so the method for detecting the glass window damage and positioning with repeated utilization and stable detection effect is urgently needed.
Disclosure of Invention
The present invention addresses the above-described shortcomings in the actual situation and provides a method for inspecting breakage by using refraction of light generated at a breakage position when breakage of glass occurs by emitting light by a light generator and then receiving the light by a light receiver.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a broken detection and positioning method of glass window, the glass window comprises glass and frame, be equipped with top light generator, lower light generator and optical receiver in the glass window, top light generator lower light generator and optical receiver all with the controller electricity is connected, through top light generator with lower light generator's rotation sends the light that is on a parallel with glass in the glass and is received by optical receiver detects, and specific detection method includes the following steps:
Step one: after the glass is put into the frame, inputting the width L and the height H of the glass into the controller, and establishing a virtual coordinate system in the controller, wherein the virtual coordinate system takes the left lower end of the glass as an original point, the width direction of the glass as an X axis and the height direction of the glass as a Y axis;
Step two: when the downlight generator is debugged for the first time, light rays injected into glass by the downlight generator sweep the whole glass surface around the downlight generator as an origin along with the rotation of the downlight generator, the included angle between the light rays injected into the glass and the X axis is alpha at any position in the rotation range of the downlight generator, the position of any point on the light rays is expressed as (X 0,X0 tan alpha) in the virtual coordinate system, and the controller stores the whole track received by the light receiver and takes the whole track as a standard track;
step three: when the glazing generator is debugged for the first time, the light rays injected into the glass by the glazing generator sweep the whole glass surface along with the rotation of the glazing generator around the glazing generator as an origin, the included angle between the light rays injected into the glass and the Y axis is beta at any position in the rotation range of the glazing generator, the position of any point on the light rays is expressed as ((H-Y 0)tanβ,Y0) in the virtual coordinate system, and the controller stores the whole track received by the light receiver and takes the whole track as a standard track;
Step four: the glazing is characterized in that the glazing generator and the downlight generator simultaneously carry out intermittent rotation scanning in the using process, the optical receiver can convey a scanned track to the controller after each scanning, the controller takes the track as a detection track and compares the detection track with the standard track, if the difference value between the detection track and the standard track does not exceed a set threshold value, the controller controls the glazing generator and the downlight generator to continuously carry out intermittent scanning, and if the difference value between the detection track and the standard track exceeds the set threshold value, the next step is carried out;
Step five: when the difference value between the detection track and the standard track exceeds a set threshold, namely, the glass is damaged, the controller marks the abnormal position of the detection track in the virtual coordinate system, for the lower light generator, the included angle alpha 1 between the light of the abnormal initial position of the detection track and the X axis is alpha 2, and for the upper light generator, the included angle beta 1 between the light of the abnormal initial position of the detection track and the Y axis is beta 2;
Step six: the four lights generated in the virtual coordinate system in the fifth step are intersected with each other by the controller to form a quadrilateral, namely, the damaged position on the glass is positioned in the quadrilateral, and the four endpoints of the quadrilateral are A respectively ，）、B（，）、C（，）、D（，）。
Preferably, the upper light generator is located at the upper left end of the frame, and the lower light generator is located at the lower left end of the frame.
Preferably, the light receiver is arranged on the upper end, the lower end and the right end of the frame.
Preferably, the controller is also electrically connected with an alarm, and the alarm is used for alarming glass breakage.
Preferably, the controller further displays the virtual coordinate system in a display.
Preferably, the light emitted by the upper light generator and the lower light generator is infrared light, but the wavelengths of the infrared light emitted by the upper light generator and the lower light generator are different.
Preferably, the time for intermittent rotation scanning by the upper light generator and the lower light generator is 1 hour.
The beneficial effects of the invention are as follows:
1. Through the principle that light can take place to refract through glass, when the damage appears in glass, can take place to refract when light that passes through the light generator and launch the damage position, and then lead to the light to shine the track position on the light receiver and the position of standard track and have changed to obtain the signal that glass is damaged, and send the signal to the alarm in warning.
2. The virtual coordinate system is established for the glass, the position of the light ray in the glass is coordinated, the initial position light ray and the final position light ray on the damaged position of the glass are marked through the controller, then the quadrilateral endpoint coordinate where the damaged position is obtained through solving the mathematical relation of the position light ray in the coordinate system, and the quadrilateral endpoint coordinate is displayed in the display, so that maintenance personnel can maintain conveniently.
Drawings
Fig. 1 is a schematic view of the operation of the light generator of the present invention.
Fig. 2 is a schematic view showing a breakage positioning state of glass according to the present invention.
Fig. 3 is a flow chart of the operation of the present invention.
In the figure: glass 1, frame 2, lower light generator 3, top light generator 4, light receiver 5, broken position 6, controller 7, alarm 8, display 9.
Detailed Description
The following description of the embodiments of the present invention will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present invention. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the invention, based on the embodiments described in the present invention.
As shown in fig. 1 to 3, in the embodiment, a method for detecting and positioning breakage of a glass window, the glass window is composed of glass 1 and a frame 2, a top light generator 4, a bottom light generator 3 and a light receiver 5 are disposed in the glass window, the top light generator 4 is located at the upper left end of the frame 2, the bottom light generator 3 is located at the lower left end of the frame 2, the light receiver 5 is disposed on the upper, lower and right ends of the frame 2, the top light generator 4, the bottom light generator 3 and the light receiver 5 are electrically connected with a controller 7, and light parallel to the glass 1 is emitted in the glass 1 and received by the light receiver 5 for detection by rotation of the top light generator 4 and the bottom light generator 3, and the detection result is displayed in a display 9 by the controller 7, and the specific detection method comprises the following steps:
Step one: after the glass 1 is put into the frame 2, inputting the width L and the height H of the glass 1 into the controller 7, and establishing a virtual coordinate system in the controller 7, wherein the virtual coordinate system takes the left lower end of the glass 1 as an original point, takes the width direction of the glass 1 as an X axis and the height direction of the glass 1 as a Y axis, and the virtual coordinate can be displayed in the display 9;
Step two: when the light generator 3 is debugged for the first time, the light emitted into the glass 1 by the light generator 3 sweeps the whole glass 1 surface around the light generator 3 as an origin along with the rotation of the light generator 3, the included angle between the light emitted into the glass 1 and the X axis is alpha at any position in the rotation range of the light generator 3, and the coordinate value of any point on the light in the X axis direction is X 0 in the virtual coordinate system, the coordinate of the light in the Y axis direction can be expressed as X 0 tan alpha through a trigonometric function, the specific coordinate can be expressed as (X 0,X0 tan alpha), and the controller 7 also stores the whole track received by the light receiver 5 and takes the whole track as a standard track;
Step three: when the glazing generator 4 is debugged for the first time, the light rays injected into the glass 1 by the glazing generator 4 sweep the whole glass 1 surface around the glazing generator 4 as an origin along with the rotation of the glazing generator 4, the included angle between the light rays injected into the glass 1 and the Y axis is beta at any position in the rotation range of the glazing generator 4, the coordinate of any point on the light rays in the Y axis direction is Y 0 in the virtual coordinate system, and as the height of the glass is H, namely the height of the broken position 6 on the glass does not exceed H, the coordinate of any point on the X axis can be expressed as (H-Y 0) tan beta through a trigonometric function, and the specific coordinate can be expressed as ((H-Y 0)tanβ,Y0), and the controller 7 also stores the whole track received by the light receiver 5 as a standard track;
Step four: the glazing 1 window is used, the glazing generator 4 and the downlight generator 3 perform intermittent rotation scanning, the optical receiver 5 transmits a scanned track to the controller 7 every time the glazing 1 window is scanned, the controller 7 takes the scanned track as a detection track and compares the detection track with the standard track, if the difference value between the detection track and the standard track does not exceed a set threshold value, the controller 7 controls the glazing generator 4 and the downlight generator 3 to continuously perform intermittent scanning, and if the difference value between the detection track and the standard track exceeds the set threshold value, the next step is performed;
Step five: when the difference between the detected track and the standard track exceeds a set threshold, namely the glass 1 is damaged, a signal can be input into an alarm 8 electrically connected by a controller 7 at the moment, then the alarm 8 gives an alarm warning, meanwhile, the abnormal position of the detected track can be marked by the controller 7 in the virtual coordinate system, for the lower light generator 3, the included angle alpha 1 between the light gamma 1 at the initial position of the detected track and the X axis is alpha 2, the included angle between the light gamma 2 at the final position of the detected track and the X axis is beta 1 between the light gamma 3 at the initial position of the detected track and the Y axis, and for the upper light generator 4, the included angle between the light gamma 4 at the final position of the detected track and the Y axis is beta 2;
Step six: the four rays generated in the virtual coordinate system in the fifth step are intersected with each other by the controller 7 to form a quadrilateral as shown in fig. 2, that is, the broken position 6 on the glass 1 is located in the quadrilateral, four endpoints of the quadrilateral are A, B, C and D respectively, point a is the intersection point of rays γ 1 and γ 3, point B is the intersection point of rays γ 2 and γ 3, point C is the intersection point of rays γ 2 and γ 4, point D is the intersection point of rays γ 1 and γ 4, then the coordinate of any point on γ 1 can be expressed as (the coordinate of any point on X 1,X1tanα1),γ2 can be expressed as (the coordinate of any point on X 2,X2tanα2),γ3 can be expressed as ((H-Y 2)tanβ2,Y2) then there is a point a):
X1=(H-Y1)tanβ1 ①；
X1tanα1= Y1 ②；
carry ① into ②, available in the formula: (H-Y 1)tanβ1 tanα1= Y1;
by combining the same kind of items, it can be obtained: y 1 = When a 1 and β 1 are known, and H is a constant value, then Y 1 is a specific constant, and the value Y 1 is brought into ① or ② to obtain X 1 =The coordinate of the point A is%，) The same thing can obtain the point B coordinate of%，) The coordinate of the point C is%，) The D point coordinate is%，) The four points show specific positions in the display 9 relative to the virtual coordinate system through the coordinate positions, namely the specific positions of the breakage positions 6 relative to the glass 1, so that maintenance personnel can conveniently maintain the glass.
The specific working process comprises the following steps: the intermittent rotation scanning is performed on the upper light generator 4 and the lower light generator 3 at the same time, the intermittent time can be set to be 1 hour or adjusted according to actual needs, the upper light generator 4 and the lower light generator 3 can emit infrared light or other invisible light, meanwhile, the wavelengths of light rays emitted by the upper light generator 4 and the lower light generator 3 are different, the light receiver 5 can conveniently distinguish whether the light rays emitted by the upper light generator 4 or the light rays emitted by the lower light generator 3 when receiving the light rays, and the light ray trajectories received by the light receiver 5 when the upper light generator 4 and the lower light generator 3 scan the whole glass 1 surface can be recorded through the controller 7 respectively when the light receiver 5 is debugged for the first time and stored as standard trajectories of the upper light generator 4 and the lower light generator 3 respectively.
When the glass window is used, the glass 1 is detected by the upper light generator 4 and the lower light generator 3 every other intermittent time, the detection track is compared with the standard track through the controller 7, if the difference value between the detection track and the standard track does not exceed a set error threshold value, the glass 1 is judged to be not damaged, namely, the glass 1 is continuously detected after the next intermittent time, if the difference value between the detection track and the standard track exceeds the set error threshold value, the glass 1 is judged to be damaged, a damage signal is sent to the alarm 8 through the controller 7, the alarm 8 is used for warning, meanwhile, the controller 7 marks the initial position and the final position of the damage position 6 of the upper light generator 4 and the lower light generator 3 respectively, and the marking result is displayed in the display 9, so that the specific position of the damage position 6 relative to the glass 1 is displayed in the display 9, and maintenance staff can conveniently maintain.
Claims (7)
1. The utility model provides a glass window damage detects and positioning method, glass window comprises glass (1) and frame (2), its characterized in that: the glass window is internally provided with a glazing generator (4), a downlight generator (3) and a light receiver (5), wherein the glazing generator (4), the downlight generator (3) and the light receiver (5) are electrically connected with a controller (7), and the glazing generator (4) and the downlight generator (3) rotate to emit light parallel to the glass (1) in the glass (1) and are received by the light receiver (5) for detection, and the specific detection method comprises the following steps:
step one: after the glass (1) is placed in the frame (2), inputting the width L and the height H of the glass (1) into the controller (7), and establishing a virtual coordinate system in the controller (7), wherein the virtual coordinate system takes the left lower end of the glass (1) as an origin, takes the width direction of the glass (1) as an X axis and takes the height direction of the glass (1) as a Y axis;
Step two: when the lower light generator (3) is debugged for the first time, the light rays injected into the glass (1) by the lower light generator (3) sweep the whole glass (1) surface around the lower light generator (3) as an origin along with the rotation of the lower light generator (3), the included angle between the light rays injected into the glass (1) and the X axis is alpha at any position in the rotation range of the lower light generator (3), the position of any point on the light rays is expressed as (X 0,X0 tan alpha) in the virtual coordinate system, and the controller (7) stores the whole track received by the light receiver (5) as a standard track;
Step three: when the glazing generator (4) is debugged for the first time, the light rays injected into the glass (1) by the glazing generator (4) sweep the whole glass (1) surface around the glazing generator (4) as an origin along with the rotation of the glazing generator (4), the included angle between the light rays injected into the glass (1) and the Y axis is beta at any position in the rotation range of the glazing generator (4), the position of any point on the light rays is expressed as ((H-Y 0)tanβ,Y0) in the virtual coordinate system, and the controller (7) stores the whole track received by the light receiver (5) and takes the whole track as a standard track;
Step four: the glazing is characterized in that the glazing generator (4) and the downlight generator (3) perform intermittent rotation scanning in the using process, the optical receiver (5) transmits a scanned track to the controller (7) each time when scanning, the controller (7) takes the track as a detection track and compares the detection track with the standard track, if the difference value between the detection track and the standard track does not exceed a set threshold value, the controller (7) controls the glazing generator (4) and the downlight generator (3) to continuously perform intermittent scanning, and if the difference value between the detection track and the standard track exceeds the set threshold value, the next step is performed;
Step five: when the difference value between the detection track and the standard track exceeds a set threshold, namely, the glass (1) is damaged, the controller (7) marks the abnormal position of the detection track in the virtual coordinate system, for the lower light generator (3), the included angle alpha 1 between the light of the abnormal initial position of the detection track and the X axis is alpha 2, for the upper light generator (4), the included angle beta 1 between the light of the abnormal initial position of the detection track and the Y axis is beta 2;
Step six: the four lights generated in the virtual coordinate system in the fifth step are intersected with each other by a controller (7) to form a quadrilateral, namely, the damaged position (6) on the glass (1) is positioned in the quadrilateral, and the four endpoints of the quadrilateral are A respectively ，）、B（，）、C（，）、D（，）。
2. The method for detecting and locating breakage of a glass window according to claim 1, wherein: the upper light generator (4) is positioned at the left upper end of the frame (2), and the lower light generator (3) is positioned at the left lower end of the frame (2).
3. The method for detecting and locating breakage of a glass window according to claim 1, wherein: the upper end, the lower end and the right end of the frame (2) are provided with the light receiver (5).
4. The method for detecting and locating breakage of a glass window according to claim 1, wherein: the controller (7) is also electrically connected with an alarm (8), and the alarm (8) is used for alarming the breakage of the glass (1).
5. The method for detecting and locating breakage of a glass window according to claim 1, wherein: the controller (7) also displays the virtual coordinate system in a display (9).
6. The method for detecting and locating breakage of a glass window according to claim 1, wherein: the light rays emitted by the upper light generator (4) and the lower light generator (3) are infrared light, but the wavelengths of the infrared light emitted by the upper light generator and the lower light generator are different.
7. A method for detecting and locating breakage of a glass window according to any of claims 1 to 6, wherein: the time for intermittent rotation scanning by the upper light generator (4) and the lower light generator (3) is 1 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287585.1A CN112461863B (en) | 2020-11-17 | 2020-11-17 | Glass window damage detection and positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287585.1A CN112461863B (en) | 2020-11-17 | 2020-11-17 | Glass window damage detection and positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112461863A CN112461863A (en) | 2021-03-09 |
| CN112461863B true CN112461863B (en) | 2024-09-13 |
Family
ID=74836477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011287585.1A Active CN112461863B (en) | 2020-11-17 | 2020-11-17 | Glass window damage detection and positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112461863B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609137A (en) * | 2015-01-04 | 2015-05-13 | 京东方科技集团股份有限公司 | Glass substrate conveying device |
| CN105143862A (en) * | 2013-03-19 | 2015-12-09 | 亨内克系统有限责任公司 | Inspection system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2727113C (en) * | 2008-06-10 | 2017-04-18 | Xtralis Technologies Ltd | Particle detection |
| JP4668354B1 (en) * | 2010-07-20 | 2011-04-13 | トリオ・セラミックス株式会社 | Transparent tube bubble detection device and bubble detection method |
| IT1402103B1 (en) * | 2010-10-08 | 2013-08-28 | Università Di Pisa | METHOD AND DEVICE TO DETECT THE GEOMETRIC POSITION OF A DEFECT IN AN OBJECT |
| DE102011100146B4 (en) * | 2011-04-29 | 2015-08-06 | Schott Ag | Three-dimensional measurement of moving objects |
| JP2015135266A (en) * | 2014-01-17 | 2015-07-27 | 旭硝子株式会社 | Method of stably detecting minute foreign matter within glass plate, and apparatus for implementing the same |
| JP6499476B2 (en) * | 2015-02-27 | 2019-04-10 | 東レエンジニアリング株式会社 | Inspection device |
| JP2018080914A (en) * | 2015-03-20 | 2018-05-24 | コニカミノルタ株式会社 | Gas position detector |
| CN207163417U (en) * | 2017-05-16 | 2018-03-30 | 广州视源电子科技股份有限公司 | Glass detection equipment |
| CN107943352A (en) * | 2017-12-29 | 2018-04-20 | 黄睿 | A kind of media machine and the contactless touch screen method based on media machine |
-
2020
- 2020-11-17 CN CN202011287585.1A patent/CN112461863B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105143862A (en) * | 2013-03-19 | 2015-12-09 | 亨内克系统有限责任公司 | Inspection system |
| CN104609137A (en) * | 2015-01-04 | 2015-05-13 | 京东方科技集团股份有限公司 | Glass substrate conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112461863A (en) | 2021-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11198975B2 (en) | Railway roadbed dformation detection and early warning system | |
| WO2021143164A1 (en) | Tower image monitoring system | |
| CN112530115B (en) | Electric power operation personnel protection against electric shock scene intelligence supervises integrated equipment | |
| CN204334834U (en) | Visual monitoring device for preventing external breakage of overhead transmission lines | |
| CN207703262U (en) | A kind of wisdom building site environmental monitoring system | |
| CN112461863B (en) | Glass window damage detection and positioning method | |
| CN204808009U (en) | Cable safety inspection tour instrument | |
| CN203386325U (en) | Sheltering device for transformer station | |
| CN205901803U (en) | Monitoring system of gas voltage regulating station | |
| CN207748759U (en) | A kind of bridge crane | |
| CN104134306A (en) | Alarm type electronic fence | |
| CN110728812A (en) | Detection and protection device for preventing external damage of power transmission line and use method thereof | |
| CN114719911A (en) | Three-dimensional roadway model system and generation method thereof | |
| CN108871270A (en) | A kind of Iron tower incline condition detection method | |
| CN210802298U (en) | Ball bubble lamp detection device | |
| CN102314258A (en) | Optical touch system, object position calculation device and object position calculation method | |
| CN210513017U (en) | Real-time monitoring system for vertical pole displacement of high support formwork based on CCD sensor | |
| CN204680123U (en) | A kind of fire-fighting evacuation system | |
| CN204214793U (en) | Concealed frame glass curtain wall presentation quality site inspection device | |
| CN107010522B (en) | A safety monitoring device and monitoring method for a vertical shaft hoist auxiliary shaft cage in place | |
| CN110979397A (en) | Real-time monitoring and early warning system and method for high-speed rail crossing inverted arch floating area in operation period | |
| CN115218807A (en) | A collecting space area form real-time supervision device for personnel in pit location | |
| CN204286991U (en) | A kind of haze monitoring warning device | |
| CN204198150U (en) | A kind of infrared monitoring mine hoist | |
| CN213180484U (en) | Novel hydraulic machinery manometer is reported to police device |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220317 Address after: 201619 Room 302, 3 / F, building 2, 188 Zhenye Road, Dongjing Town, Songjiang District, Shanghai Applicant after: Shanghai discovery smart home Co.,Ltd. Address before: 201619 Room 302, 3 / F, building 2, 188 Zhenye Road, Dongjing Town, Songjiang District, Shanghai Applicant before: Shanghai discovery smart home Co.,Ltd. Applicant before: Zhu tonghan |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |