CN104535953A - Automatic detection system and method of liquid crystal display screen of intelligent ammeter - Google Patents
Automatic detection system and method of liquid crystal display screen of intelligent ammeter Download PDFInfo
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- CN104535953A CN104535953A CN201510013815.8A CN201510013815A CN104535953A CN 104535953 A CN104535953 A CN 104535953A CN 201510013815 A CN201510013815 A CN 201510013815A CN 104535953 A CN104535953 A CN 104535953A
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Abstract
The invention discloses an automatic detection system of a liquid crystal display screen of an intelligent ammeter. The automatic detection system comprises a video detection device and an image processor. The video detection device comprises a camera and an infrared emission module, wherein the camera is used for shooting a display picture of the liquid crystal display screen of the intelligent ammeter to be detected, the infrared emission module is used for being in communication with the intelligent ammeter to be detected, and the camera and the infrared emission module are in communication with a control device. The signal input end of the image processor is in communication with the camera, and the signal output end of the image processor is in communication with the control device. The invention further discloses a detection method of the liquid crystal display screen of the intelligent ammeter. By means of the automatic detection system and method of the liquid crystal display screen of the intelligent ammeter, the efficiency of detecting the liquid crystal display screen of the intelligent ammeter is improved.
Description
Technical field
The present invention relates to the quality inspection technical field of intelligent electric energy meter, specifically, relate to a kind of intelligent electric energy meter liquid crystal display automatic checkout system and detection method thereof.
Background technology
Along with the technology such as communication, computing machine, robotization obtain application extensively and profoundly in electrical network, and organically blend with conventional electric power technology, greatly improve the intelligent level of electrical network.Intelligent electric energy meter is as a kind of measurement instrument, and intelligence degree is high, to the utilization rate improving power resource, reduce electric energy use cost, improve service quality, stablize the development of electrical network, serve very important effect, intelligent electric energy meter becomes the important component part of intelligent grid day by day.
Existing intelligent electric energy meter is general all with liquid crystal display, intelligent electric energy meter inside is provided with infrared communication module, in the electric energy meter of reality is produced, when liquid crystal display being welded and installs, because the pin of liquid crystal is too many, the meeting being difficult to avoid produces various fault, causes mistake and the disappearance of displaying contents.The quality inspection of the liquid crystal display of existing intelligent electric energy meter, generally all by manually carrying out, being energized by the artificial liquid crystal display to intelligent electric energy meter, then opening liquid crystal display, testing to the display frame of liquid crystal display by screen.Because the displaying contents often shielded of the liquid crystal display of intelligent electric energy meter is very many, and need to turn over screen, accomplishing accurately comprehensively to check only according to being manually difficult to, producing the inaccurate or undetected situation of inspection sometimes, and labor intensive material resources, checkability is low.
Summary of the invention
First technical matters to be solved by this invention is: the intelligent electric energy meter liquid crystal display automatic checkout system providing a kind of checkability high.
Second technical matters to be solved by this invention is: the automatic testing method of the intelligent electric energy meter liquid crystal display providing a kind of checkability high.
For solving above-mentioned first technical matters, technical scheme of the present invention is:
A kind of intelligent electric energy meter liquid crystal display automatic checkout system, comprising:
Video detecting device, described video detecting device comprises the camera of the display frame for taking intelligent electric energy meter liquid crystal display to be tested and the infrared transmission module for communicating to connect with intelligent electric energy meter to be tested; Described camera and described infrared transmission module communicate to connect with control device respectively;
Image processor, signal input part and the described camera of described image processor communicate to connect, and signal output part and the described control device of described image processor communicate to connect.
Preferably, described control device comprises watch-dog and/or CPU element, and described CPU element and described watch-dog communicate to connect.
Preferably, described image processor is located in described video detecting device or in described watch-dog.
Preferably, described video detecting device is located at the side of intelligent electric energy meter production line, and the dead ahead place of described camera is provided with to detect the detecting sensor whether described intelligent electric energy meter arrives.
Preferably, described CPU element is single-chip microcomputer or PLC.
Preferably, described watch-dog is touch-screen, PC or industrial computer.
Preferably, described detecting sensor is photoelectric sensor.
For solving above-mentioned second technical matters, technical scheme of the present invention is:
A kind of intelligent electric energy meter liquid crystal display detection method, comprises the following steps:
A., when intelligent electric energy meter to be tested is positioned at the dead ahead of described camera, described control device controls the described intelligent electric energy meter of described infrared transmission module to power-on and launches infrared signal;
B., after receiving described infrared signal, described intelligent electric energy meter controls its liquid crystal display according to described infrared signal and turns over screen by screen at intervals;
C. described camera is by the display frame of the described liquid crystal display of screen shooting, and the described display frame of shooting is sent to described image processor and processes, result is sent to described control device by described image processor again, described control device is compared by screen to described display frame and standard picture, thus completes the quality inspection to described liquid crystal display.
Preferably, the dead ahead place of described camera is provided with the detecting sensor detecting described intelligent electric energy meter;
In step a, described intelligent electric energy meter is carried on intelligent electric energy meter production line, arrive to described detecting sensor place, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicating the signals to described control device, described control device controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter.
Preferably, described control device comprises watch-dog and/or CPU element;
When control device only comprises watch-dog, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicates the signals to described watch-dog, and described watch-dog controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter;
When control device only comprises CPU element, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicates the signals to described CPU element, and described CPU element controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter;
When control device comprises CPU element and watch-dog 4, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicate the signals to described CPU element, described CPU element communicates the signals to described watch-dog again, and described watch-dog controls described infrared transmission module by described CPU element and launches infrared signal to described intelligent electric energy meter.
After have employed technique scheme, the invention has the beneficial effects as follows:
Intelligent electric energy meter liquid crystal display automatic checkout system of the present invention and detection method thereof, when intelligent electric energy meter to be tested is positioned at the dead ahead of described camera, described control device controls the described intelligent electric energy meter of described infrared transmission module to power-on and launches infrared signal; After receiving described infrared signal, described intelligent electric energy meter controls its liquid crystal display according to described infrared signal and turns over screen by screen at intervals; Described camera is by the display frame of the described liquid crystal display of screen shooting, and the described display frame of shooting is sent to described image processor and processes, result is sent to described control device by described image processor again, described control device is compared by screen to described display frame and standard picture, thus completes the quality inspection to described liquid crystal display.Achieve the robotization of the quality inspection of the liquid crystal display to intelligent electric energy meter, use manpower and material resources sparingly, checkability is high, and is not easy to occur checking inaccurate or undetected situation, and test effect is good.
When the dead ahead place of described camera is provided with the detecting sensor of the liquid crystal display detecting described intelligent electric energy meter, intelligent electric energy meter is carried on intelligent electric energy meter production line, arrive to detecting sensor place, detecting sensor detects the signal that intelligent electric energy meter arrives, and passing the signal to control device, control device controls infrared transmission module and launches infrared signal to described intelligent electric energy meter; After described intelligent electric energy meter receives infrared signal, intelligent electric energy meter controls its liquid crystal display according to described infrared signal and turns over screen by screen at intervals; Described camera is by the display frame of the described liquid crystal display of screen shooting, and the described display frame of shooting is sent to image processor and processes, and result is sent to described control device, described display frame and standard picture are compared by screen, thus completes the quality inspection to described liquid crystal display.Furthermore achieved that the robotization of the quality inspection of the liquid crystal display to intelligent electric energy meter, use manpower and material resources sparingly, checkability is high, and is not easy to occur checking inaccurate or undetected situation, and test effect is good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the systematic schematic diagram of intelligent electric energy meter liquid crystal display automatic checkout system of the present invention;
Fig. 2 is a kind of theory diagram of the video detecting device in Fig. 1;
Fig. 3 is the another kind of theory diagram of the video detecting device in Fig. 1;
Fig. 4 is another theory diagram of the video detecting device in Fig. 1;
Fig. 5 is the circuit theory diagrams of the power module in Fig. 2;
Fig. 6 is the circuit theory diagrams of the CPU element in Fig. 2;
Fig. 7 is the circuit theory diagrams of the infrared communication module in Fig. 2;
Fig. 8 is the circuit theory diagrams of the communication module in Fig. 2;
Fig. 9 is the communication module in Fig. 2 is the circuit theory diagrams of ethernet module;
In figure: 1, intelligent electric energy meter production line; 2, video detecting device; 21, CPU element; 22, power module; 23, camera; 24, image processor; 25, infrared transmission module; 26, communication module; 27, detecting sensor; 3, intelligent electric energy meter; 31, liquid crystal display; 4, watch-dog.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See figures.1.and.2, a kind of intelligent electric energy meter liquid crystal display automatic checkout system, comprise video detecting device 2 and image processor 24, wherein, video detecting device 2 comprises camera 23, for the infrared transmission module 25 that communicates to connect with intelligent electric energy meter 3 and in order to provide the power module 22 of working power to other each unit and module, camera 23 is just to the liquid crystal display 31 of the intelligent electric energy meter 3 on intelligent electric energy meter production line 1, and camera 23 and infrared transmission module 25 communicate to connect with watch-dog 4 respectively.Image processor is provided with in watch-dog 4, the image processor that the display frame of the liquid crystal display 31 of the intelligent electric energy meter 3 of shooting is directly sent in watch-dog 4 processes by camera 23, and result is sent to the central processing unit of watch-dog 4, in watch-dog 4, the display frame of the liquid crystal display of shooting and standard picture are compared, thus complete the quality inspection of the liquid crystal display to intelligent electric energy meter 3.
One side portion of intelligent electric energy meter production line 1 and the dead ahead place being positioned at camera 23 are provided with to detect the detecting sensor 27 of intelligent electric energy meter 3.Power module 22 is electrically connected with camera 23 and detecting sensor 27 etc. respectively, provides working power in order to give camera 23 and detecting sensor 27 etc.Detecting sensor 27 adopts photoelectric sensor, certainly, other also can be adopted the detecting sensor of intelligent electric energy meter 3 can be detected.
In said structure, detecting sensor 27 detects the signal that on intelligent electric energy meter production line 1, intelligent electric energy meter arrives, pass the signal to watch-dog 4, such as PC or industrial computer, watch-dog 4 controls infrared transmission module 25 and sends infrared signal, thus the intelligent electric energy meter 3 controlled on intelligent electric energy meter production line 1, what make liquid crystal display interval time of intelligent electric energy meter 3 turns over screen by screen.
With reference to Fig. 3, video detecting device 2 can take following structure: in video detecting device 2, arrange electrical connection camera 23 image processor 24 and CPU element 21, image processor 24 and CPU element 21 communicate to connect.Image processor 24 and CPU element 21 communicate to connect.CPU element 21 is single-chip microcomputer or PLC, and the processing signals of image processor 24 is directly sent to CPU element 21.In this kind of structure, the display frame of the liquid crystal display 31 of the intelligent electric energy meter 3 of shooting is directly sent to image processor 24 and processes by camera 23, and result is passed to CPU element 21 by image processor 24.In CPU element 21, the display frame of the liquid crystal display of shooting and standard picture are compared, thus complete the quality inspection of the liquid crystal display to intelligent electric energy meter 3.
Fig. 4 is another theory diagram of the video detecting device in Fig. 1; With reference to Fig. 4, structure in Fig. 4 is substantially identical with the structure in Fig. 3, difference is, image processor 24 communicates to connect with watch-dog 4 and CPU element 21 respectively, the processing signals of image processor 24 is directly sent to watch-dog 4 by communication module 26, also, after can being sent to CPU element 21, watch-dog 4 is sent to through CPU element 21.In watch-dog 4, the display frame of the liquid crystal display of shooting and standard picture are compared, thus complete the quality inspection of the liquid crystal display to intelligent electric energy meter 3.
Certainly, the structural principle of video detecting device 2 is not limited to above-mentioned several mode, and the simple deformation that person skilled in art makes according to above-mentioned several mode all falls within protection scope of the present invention.
Wherein, the theory diagram of corresponding diagram 4, the detailed construction of video detecting device 2, with reference to Fig. 5, Fig. 6, Fig. 7 and Fig. 8 and Fig. 9, video detecting device 2 adopts external AC 220 to power, two groups of direct supply+5V and+12V ,+5V are produced respectively for single-chip microcomputer and peripheral circuit work by transformer TR1, rectifier bridge B1, B2 and three terminal regulator U1, U2; + 12V is for camera 23, i.e. the partial circuit work of VIDEO.
CPU element circuit, RS485 interface circuit U5, infrared transmitting circuit IR1, infrared receiving circuit U3, digital camera circuit is configured with in video detecting device 2; Wherein infrared receiving/transmission circuit adopts the work of 38K modulation system, and when data send, CPU element produces the modulation of square wave (signal K38) by the complete pair signals IR-T of R3, Q1 of 38K simultaneously; The output interface of digital camera adopts Ethernet mode, is connected with watch-dog 4 by RJ45 seat (J1).
During test, watch-dog 4 is ordered sent to video detecting device 2 by RS485 interface successively display is full frame, the first screen, the second screen etc., CPU element 21 in video detecting device 2 receives test command by 485 interface chip U5, and CPU element passes through signal wire according to after the order received: IR-T, K38, IR-R; Drive infrared communication circuit (IR1, U5 and peripheral circuit) that order is sent to intelligent electric energy meter to be tested, make intelligent electric energy meter to be tested show corresponding information.
CPU element 21 starts camera (VIDEO) by signal VIDEO_SET simultaneously, the information of shooting intelligent electric energy meter display, and view data is transferred to the image processor in watch-dog 4 by Ethernet interface (J1).
Watch-dog 4 carries out image ratio pair according to the corresponding informance stored in the view data received and its database, and judges it is that display is normal.Mode according to this, tests all each on-screen-display message of intelligent electric energy meter successively.
Control device comprises watch-dog 4 and CPU element 21, and CPU element 21 is located in video detecting device 2, and wherein, watch-dog 4 can adopt touch-screen, PC computer or industrial computer, and CPU element 21 can adopt single-chip microcomputer.
Camera 23 and watch-dog 4 communicate to connect, and CPU element 21 and watch-dog 4 are communicated to connect by communication module 26, and CPU element 21 is communicated to connect by communication module 26 and watch-dog 4.The display frame of the liquid crystal display 31 of the intelligent electric energy meter 3 of shooting is directly sent in watch-dog 4 by camera 23.
The invention also discloses a kind of intelligent electric energy meter liquid crystal display detection method, comprise the following steps:
A. intelligent electric energy meter 3 is carried on intelligent electric energy meter production line 1, arrive to detecting sensor 27 place, detecting sensor 27 detects the signal that intelligent electric energy meter 3 arrives, and passing the signal to CPU element 21 and the watch-dog 4 of video detecting device 2, watch-dog 4 controls infrared transmission module 25 pairs of intelligent electric energy meters 3 by CPU element 21 and launches infrared signal;
B., after receiving infrared signal, intelligent electric energy meter 3 controls its liquid crystal display 31 according to infrared signal and turns over screen by screen at intervals;
C. camera 23 is by the display frame of screen shooting liquid crystal display 31, and the display frame of shooting is sent to image processor 24 processes, result is sent to control device by image processor 24 again, control device is compared by screen to display frame and standard picture, thus completes the quality inspection of the liquid crystal display 31 to intelligent electric energy meter 3.
Preferably, control device comprises watch-dog 4 and/or CPU element 21;
When control device only comprises watch-dog 4, in step a, detecting sensor 27 detects the signal that intelligent electric energy meter arrives, and passes the signal to watch-dog 4, and watch-dog 4 controls infrared transmission module 25 pairs of intelligent electric energy meters 3 and launches infrared signal;
When control device only comprises CPU element 21, in step a, detecting sensor 27 detects the signal that intelligent electric energy meter 3 arrives, and passes the signal to CPU element 21, and CPU element 21 controls infrared transmission module 25 pairs of intelligent electric energy meters 3 and launches infrared signal;
When control device comprises CPU element 21 and watch-dog 4, in step a, intelligent electric energy meter is carried on intelligent electric energy meter production line 1, arrive to detecting sensor 27 place, detecting sensor 27 detects the signal that intelligent electric energy meter 3 arrives, and passing the signal to CPU element 21, CPU element 21 passes the signal to watch-dog 4 again, and watch-dog 4 controls infrared transmission module 25 pairs of intelligent electric energy meters 3 by CPU element 21 and launches infrared signal.
Intelligent electric energy meter liquid crystal display automatic checkout system of the present invention and detection method thereof, the liquid crystal display 31 of intelligent electric energy meter 3 is carried on intelligent electric energy meter production line 1, arrive to detecting sensor 27 place, detecting sensor 27 detects the signal that intelligent electric energy meter 3 arrives, and passing the signal to control device, control device controls infrared transmission module 25 pairs of intelligent electric energy meters 3 and launches infrared signal; Intelligent electric energy meter 3, after receiving infrared signal, controls according to the infrared signal received that its liquid crystal display 31 is automatic at intervals turns over screen by screen; Camera 23 is by the display frame of screen shooting liquid crystal display 31, and the display frame of shooting is sent to watch-dog 4, or be sent to watch-dog 4 again after being sent to CPU element 21, in watch-dog 4, image processing software is installed, by image processing software, display frame and standard picture are compared by screen, thus complete the quality inspection of the liquid crystal display 31 to intelligent electric energy meter 3.Achieve the robotization of the quality inspection of the liquid crystal display 31 to intelligent electric energy meter 3, use manpower and material resources sparingly, checkability is high, and is not easy to occur checking inaccurate or undetected situation, and test effect is good.
The above is the citing of best mode for carrying out the invention, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection scope of the present invention is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present invention, also within protection scope of the present invention.
Claims (10)
1. an intelligent electric energy meter liquid crystal display automatic checkout system, is characterized in that, comprising:
Video detecting device, described video detecting device comprises the camera of the display frame for taking intelligent electric energy meter liquid crystal display to be tested and the infrared transmission module for communicating to connect with intelligent electric energy meter to be tested; Described camera and described infrared transmission module communicate to connect with control device respectively;
Image processor, signal input part and the described camera of described image processor communicate to connect, and signal output part and the described control device of described image processor communicate to connect.
2. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 1, is characterized in that: described control device comprises watch-dog and/or CPU element.
3. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 2, is characterized in that: described image processor is located in described video detecting device or in described watch-dog.
4. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 3, it is characterized in that: described video detecting device is located at the side of intelligent electric energy meter production line, the dead ahead place of described camera is provided with to detect the detecting sensor whether described intelligent electric energy meter arrives.
5. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 2, it is characterized in that, described CPU element is single-chip microcomputer or PLC.
6. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 2, it is characterized in that, described watch-dog is touch-screen, PC or industrial computer.
7. intelligent electric energy meter liquid crystal display automatic checkout system as claimed in claim 4, it is characterized in that, described detecting sensor is photoelectric sensor.
8. apply an intelligent electric energy meter liquid crystal display detection method for the intelligent electric energy meter liquid crystal display automatic checkout system described in any one of the claims 1 to 7, it is characterized in that, comprise the following steps:
A., when intelligent electric energy meter to be tested is positioned at the dead ahead of described camera, described control device controls the described intelligent electric energy meter of described infrared transmission module to power-on and launches infrared signal;
B., after receiving described infrared signal, described intelligent electric energy meter controls its liquid crystal display according to described infrared signal and turns over screen by screen at intervals;
C. described camera is by the display frame of the described liquid crystal display of screen shooting, and the described display frame of shooting is sent to described image processor and processes, result is sent to described control device by described image processor again, described control device is compared by screen to described display frame and standard picture, thus completes the quality inspection to described liquid crystal display.
9. intelligent electric energy meter liquid crystal display detection method as claimed in claim 8, it is characterized in that, described video detecting device is located at the side of intelligent electric energy meter production line, and the dead ahead place of described camera is provided with the detecting sensor detecting described intelligent electric energy meter;
In step a, described intelligent electric energy meter is carried on intelligent electric energy meter production line, arrive to described detecting sensor place, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicating the signals to described control device, described control device controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter.
10. intelligent electric energy meter liquid crystal display detection method as claimed in claim 9, it is characterized in that, described control device comprises watch-dog and/or CPU element;
When control device only comprises watch-dog, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicates the signals to described watch-dog, and described watch-dog controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter;
When control device only comprises CPU element, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicates the signals to described CPU element, and described CPU element controls described infrared transmission module and launches infrared signal to described intelligent electric energy meter;
When control device comprises CPU element and watch-dog 4, in step a, described detecting sensor detects the signal that described intelligent electric energy meter arrives, and communicate the signals to described CPU element, described CPU element communicates the signals to described watch-dog again, and described watch-dog controls described infrared transmission module by described CPU element and launches infrared signal to described intelligent electric energy meter.
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| CN105548950A (en) * | 2016-01-29 | 2016-05-04 | 国家电网公司 | Device and method of on-line detection of intelligent ammeter |
| CN108008343A (en) * | 2017-12-29 | 2018-05-08 | 广州点构数码科技有限公司 | A kind of electric energy meter calibrating apparatus video visualization display systems and method |
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| CN112630718A (en) * | 2020-10-22 | 2021-04-09 | 国网浙江省电力有限公司杭州供电公司 | Intelligent auxiliary device for electric energy meter verification fault judgment |
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| CN111965859A (en) * | 2020-07-10 | 2020-11-20 | 深圳市科陆电子科技股份有限公司 | Liquid crystal display detection method and device, control equipment and storage medium |
| CN111999693A (en) * | 2020-07-27 | 2020-11-27 | 杭州德创能源设备有限公司 | Intelligent electric energy meter detection device and detection method |
| CN112630718A (en) * | 2020-10-22 | 2021-04-09 | 国网浙江省电力有限公司杭州供电公司 | Intelligent auxiliary device for electric energy meter verification fault judgment |
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| CN104535953B (en) | 2018-03-06 |
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