A kind of intelligent electric energy meter liquid crystal display automatic checkout system and its detection method
Technical field
The present invention relates to the quality inspection technical field of intelligent electric energy meter, is to be related to a kind of intelligent electric energy meter specifically
Liquid crystal display automatic checkout system and its detection method.
Background technology
As the technologies such as communication, computer, automation obtain application extensively and profoundly in power network, and with conventional electric power skill
Art organically blends, and greatly improves the intelligent level of power network.Intelligent electric energy meter is as a kind of measurement instrument, intelligence degree
Height, the utilization rate to improving power resource, reduces electric energy use cost, improves service quality, and the development of stable power network, serves
Very important effect, intelligent electric energy meter have become the important component of intelligent grid.
Existing intelligent electric energy meter typically all carries liquid crystal display, infrared communication module is provided with inside intelligent electric energy meter, in reality
In the electric energy meter production on border, when liquid crystal display is welded and installed, because the pin of liquid crystal is too many, it is difficult to which the meeting avoided produces
Various failures, cause the mistake and missing of display content.The quality inspection of the liquid crystal display of existing intelligent electric energy meter, it is typically all logical
Cross manually to carry out, by being manually powered to the liquid crystal display of intelligent electric energy meter, then open liquid crystal display, the display picture to liquid crystal display
Tested by screen in face.Because the display content often shielded of the liquid crystal display of intelligent electric energy meter is very more, and need to turn over screen, only according to
It is artificial to be difficult to accurate comprehensive inspection, the situation for examining inaccurate or missing inspection, and labor intensive thing are produced sometimes
Power, checkability are low.
The content of the invention
First technical problem to be solved by this invention be:There is provided a kind of checkability high intelligent electric energy meter liquid crystal display
Automatic checkout system.
Second technical problem to be solved by this invention be:There is provided a kind of checkability high intelligent electric energy meter liquid crystal display
Automatic testing method.
To solve above-mentioned first technical problem, the technical scheme is that:
A kind of intelligent electric energy meter liquid crystal display automatic checkout system, including:
Video detecting device, the video detecting device include being used for the display for shooting intelligent electric energy meter liquid crystal display to be tested
The camera of picture and the infrared transmission module for being communicated to connect with intelligent electric energy meter to be tested;The camera and institute
Infrared transmission module is stated to communicate to connect with control device respectively;
Image processor, the signal input part of described image processor communicate to connect with the camera, at described image
The signal output part and the control device for managing device communicate to connect.
Preferably, the control device includes monitor and/or CPU element, and the CPU element communicates with the monitor
Connection.
Preferably, described image processor is located in the video detecting device or in the monitor.
Preferably, the video detecting device is located at the side of intelligent electric energy meter production line, the front of the camera
Place is provided with to detect the detection sensor whether intelligent electric energy meter reaches.
Preferably, the CPU element is single-chip microcomputer or PLC.
Preferably, the monitor is touch-screen, PC or industrial computer.
Preferably, the detection sensor is photoelectric sensor.
To solve above-mentioned second technical problem, the technical scheme is that:
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 located at the front of the camera, the control device controls the infrared hair
Penetrate module and infrared signal is launched to the intelligent electric energy meter of power-on;
B. after the infrared signal is received, the intelligent electric energy meter controls its liquid crystal display interval according to the infrared signal
Temporally screen is turned over by screen;
C. the camera shoots the display picture of the liquid crystal display by screen, and the display picture of shooting is sent to
Described image processor is handled, and result is sent to the control device, the control by described image processor again
The display picture is compared device with standard picture by screen, so as to complete the quality inspection to the liquid crystal display.
Preferably, it is provided with the front of the camera to detect the detection sensor of the intelligent electric energy meter;
In step a, the intelligent electric energy meter conveys on intelligent electric energy meter production line, to reaching the detection sensor
Place, the detection sensor detect the signal that the intelligent electric energy meter reaches, and communicate the signals to the control dress
Put, the control device controls the infrared transmission module to launch infrared signal to the intelligent electric energy meter.
Preferably, the control device includes monitor and/or CPU element;
When control device only includes monitor, in step a, the detection sensor detects the intelligent electric energy meter
The signal of arrival, and the monitor is communicated the signals to, the monitor controls the infrared transmission module to described
Intelligent electric energy meter launches infrared signal;
When control device only includes CPU element, in step a, the detection sensor detects the intelligent electric energy
The signal that table reaches, and the CPU element is communicated the signals to, the CPU element controls the infrared transmission module pair
The intelligent electric energy meter launches infrared signal;
When control device includes CPU element and monitor 4, in step a, the detection sensor detects the intelligence
The signal that energy electric energy meter reaches, and the CPU element is communicated the signals to, the CPU element again transmits the signal
To the monitor, the monitor controls the infrared transmission module to send out the intelligent electric energy meter by the CPU element
Penetrate infrared signal.
After employing above-mentioned technical proposal, the beneficial effects of the invention are as follows:
The intelligent electric energy meter liquid crystal display automatic checkout system and its detection method of the present invention, intelligent electric energy meter to be tested are located at
During the front of the camera, the control device controls the intelligent electric energy of the infrared transmission module to power-on
Table launches infrared signal;After the infrared signal is received, the intelligent electric energy meter controls its liquid crystal according to the infrared signal
Screen turns over screen by screen at intervals;The camera shoots the display picture of the liquid crystal display by screen, and the described of shooting is shown
Show that picture is sent to described image processor and handled, result is sent to the control again and filled by described image processor
Put, the display picture is compared the control device with standard picture by screen, so as to complete the matter to the liquid crystal display
Amount is examined.The automation of the quality inspection to the liquid crystal display of intelligent electric energy meter is realized, is used manpower and material resources sparingly, checkability is high,
And it is not easy to occur examining inaccuracy or the situation of missing inspection, test effect good.
It is provided with the front of the camera to detect the detection sensor of the liquid crystal display of the intelligent electric energy meter
When, intelligent electric energy meter conveys on intelligent electric energy meter production line, and to reaching at detection sensor, detection sensor detects intelligence
The signal that electric energy meter reaches, and control device is passed the signal to, control device controls infrared transmission module to the intelligence electricity
Can table transmitting infrared signal;After the intelligent electric energy meter receives infrared signal, intelligent electric energy meter controls according to the infrared signal
Its liquid crystal display turns over screen by screen at intervals;The camera shoots the display picture of the liquid crystal display by screen, and by shooting
The display picture is sent to image processor and handled, and result is sent into the control device, to described aobvious
Show that picture is compared with standard picture by screen, so as to complete the quality inspection to the liquid crystal display.It furthermore achieved that to intelligence
The automation of the quality inspection of the liquid crystal display of energy electric energy meter, uses manpower and material resources sparingly, and checkability is high, and is not easy appearance and examines not
Accurate or missing inspection situation, test effect are good.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the systematic schematic diagram of the 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 another 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. 3;
Fig. 7 is the circuit theory diagrams of the infrared transmission module in Fig. 2;
Fig. 8 is the circuit theory diagrams of the communication module in Fig. 2;
Fig. 9 is circuit theory diagrams of the communication module in Fig. 2 for ethernet module;
In figure:1st, intelligent electric energy meter production line;2nd, video detecting device;21st, CPU element;22nd, power module;23rd, image
Head;24th, image processor;25th, infrared transmission module;26th, communication module;27th, detection sensor;3rd, intelligent electric energy meter;31st, liquid
Crystalline substance screen;4th, monitor.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to figs. 1 to shown in Fig. 4, a kind of intelligent electric energy meter liquid crystal display automatic checkout system, including video detecting device 2,
And image processor 24, wherein, video detecting device 2 includes camera 23, red for being communicated to connect with intelligent electric energy meter 3
Outer transmitter module 25 and to provide other each units and module the power module 22 of working power, the face of camera 23
The liquid crystal display 31 of intelligent electric energy meter 3 on intelligent electric energy meter production line 1, camera 23 and infrared transmission module 25 respectively with monitoring
Device 4 communicates to connect.Image processor is provided with monitor 4, camera 23 shows the liquid crystal display 31 of the intelligent electric energy meter 3 of shooting
Show that the image processor that picture is transferred directly in monitor 4 is handled, and result is sent to the center of monitor 4
Processor, the display picture of the liquid crystal display of shooting is compared with standard picture in monitor 4, so as to complete to intelligent electricity
The quality inspection of the liquid crystal display of energy table 3.
One side portion of intelligent electric energy meter production line 1 and it is provided with the front of camera 23 detecting intelligence
The detection sensor 27 of electric energy meter 3.Power module 22 electrically connects with camera 23 and detection sensor 27 etc. respectively, to
Working power is provided to camera 23 and detection sensor 27 etc..Detection sensor 27 uses photoelectric sensor, certainly,
Other detection sensors for being able to detect that intelligent electric energy meter 3 can be used.
In said structure, detection sensor 27 detects the signal that intelligent electric energy meter reaches on intelligent electric energy meter production line 1,
Monitor 4, such as PC or industrial computer are passed the signal to, monitor 4 controls infrared transmission module 25 to send infrared signal, from
And the intelligent electric energy meter 3 on intelligent electric energy meter production line 1 is controlled, liquid crystal display interval time of intelligent electric energy meter 3 is turned over by screen
Screen.
Reference picture 3, video detecting device 2 can take following structure:Electrical connection shooting is set in video detecting device 2
First 23 image processor 24 and CPU element 21, image processor 24 communicate to connect with CPU element 21.Image processor 24
Communicated to connect with CPU element 21.CPU element 21 is single-chip microcomputer or PLC, and the process signal of image processor 24 is transferred directly to
CPU element 21.In such a structure, camera 23 directly transmits the display picture of the liquid crystal display 31 of the intelligent electric energy meter 3 of shooting
Handled to image processor 24, result is passed to CPU element 21 by image processor 24.Will in CPU element 21
The display picture of the liquid crystal display of shooting is compared with standard picture, so as to complete the quality of the liquid crystal display to intelligent electric energy meter 3
Examine.
Fig. 4 is another theory diagram of the video detecting device in Fig. 1;Reference picture 4, in the structure and Fig. 3 in Fig. 4
Structure is essentially identical, and difference is, image processor 24 communicates to connect with monitor 4 and CPU element 21 respectively, at image
The process signal of reason device 24 is transferred directly to monitor 4 by communication module 26, after can also being sent to CPU element 21, passes through
CPU element 21 is sent to monitor 4.The display picture of the liquid crystal display of shooting is compared with standard picture in monitor 4,
So as to 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 ways, person skilled in art's root
The simple deformation made according to above-mentioned several ways, each falls within protection scope of the present invention.
Wherein, the theory diagram of corresponding diagram 4, the detailed construction of video detecting device 2, reference picture 5, Fig. 6, Fig. 7 and Fig. 8
And Fig. 9, video detecting device 2 are powered using external AC 220, by transformer TR1, rectifier bridge B1, B2 and three terminal regulator U1,
U2 produces two groups of dc source+5V and+12V respectively, and+5V works for single-chip microcomputer and peripheral circuit;+ 12V supplies camera 23, i.e.,
VIDEO partial circuit work.
CPU element circuit, RS485 interface circuits U5, infrared transmitting circuit I R1, red is configured with video detecting device 2
Outer reception circuit U 3, digital camera circuit;Wherein infrared receiving/transmission circuit is worked using 38K modulation systems, CPU when data are sent
The square wave (signal K38) that unit produces 38K simultaneously passes through the complete pair signals IR-T of R3, Q1 modulation;The output of digital camera
Interface uses ether net mode, is connected by RJ45 seats (J1) with monitor 4.
During test, monitor 4 will show that the orders such as full frame, the first screen, the second screen are sent to by RS485 interfaces and regards successively
Frequency detection means 2, the CPU element 21 in video detecting device 2 receive test command, CPU element by 485 interface chip U5
According to passing through signal wire after the order received:IR-T、K38、IR-R;Drive infrared communication circuit (IR1, U5 and peripheral circuit) will
Order is sent to intelligent electric energy meter to be tested, intelligent electric energy meter to be tested is shown corresponding information.
CPU element 21 starts camera (VIDEO) by signal VIDEO_SET simultaneously, and shooting intelligent electric energy meter is shown
Information, and view data is transferred to by Ethernet interface (J1) to the image processor in monitor 4.
Monitor 4 carries out image with the corresponding informance stored in its database according to the view data received and compared, and sentences
Disconnected is that display is normal.In this way, all on-screen-display messages of intelligent electric energy meter are tested successively.
Control device includes monitor 4 and CPU element 21, and CPU element 21 is located in video detecting device 2, wherein, monitoring
Device 4 can use touch-screen, PC computers or industrial computer, and CPU element 21 can use single-chip microcomputer.
Camera 23 is communicated to connect with monitor 4, and CPU element 21 is communicated to connect with monitor 4 by communication module 26,
CPU element 21 is communicated to connect by communication module 26 and monitor 4.Camera 23 is by the liquid crystal display of the intelligent electric energy meter 3 of shooting
31 display picture is transferred directly in monitor 4.
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 conveys on intelligent electric energy meter production line 1, and to reaching at detection sensor 27, detection senses
Device 27 detects the signal that intelligent electric energy meter 3 reaches, and passes the signal to CPU element 21 and the monitoring of video detecting device 2
Device 4, monitor 4 control infrared transmission module 25 to launch infrared signal to intelligent electric energy meter 3 by CPU element 21;
B. after infrared signal is received, intelligent electric energy meter 3 according to infrared signal control its liquid crystal display 31 at intervals by
Screen turns over screen;
C. camera 23 shoots the display picture of liquid crystal display 31 by screen, and the display picture of shooting is sent into image procossing
Device 24 is handled, and result is sent to control device by image processor 24 again, and control device is to display picture and standard
Picture is compared by screen, so as to complete the quality inspection to the liquid crystal display 31 of intelligent electric energy meter 3.
Preferably, control device includes monitor 4 and/or CPU element 21;
When control device only includes monitor 4, in step a, detection sensor 27 detects that intelligent electric energy meter reaches
Signal, and pass the signal to monitor 4, monitor 4 controls infrared transmission module 25 to launch infrared letter to intelligent electric energy meter 3
Number;
When control device only includes CPU element 21, in step a, detection sensor 27 detects that intelligent electric energy meter 3 arrives
The signal reached, and CPU element 21 is passed the signal to, CPU element 21 controls infrared transmission module 25 to launch intelligent electric energy meter 3
Infrared signal;
When control device includes CPU element 21 and monitor 4, in step a, intelligent electric energy meter is given birth in intelligent electric energy meter
Conveyed in producing line 1, to reaching at detection sensor 27, detection sensor 27 detects the signal that intelligent electric energy meter 3 reaches, and will
Signal is sent to CPU element 21, and CPU element 21 passes the signal to monitor 4 again, and monitor 4 is controlled red by CPU element 21
Outer transmitter module 25 launches infrared signal to intelligent electric energy meter 3.
The intelligent electric energy meter liquid crystal display automatic checkout system and its detection method of the present invention, the liquid crystal display of intelligent electric energy meter 3
31 convey on intelligent electric energy meter production line 1, and to reaching at detection sensor 27, detection sensor 27 detects intelligent electric energy meter
3 signals reached, and control device is passed the signal to, control device control infrared transmission module 25 is sent out intelligent electric energy meter 3
Penetrate infrared signal;Intelligent electric energy meter 3 is after infrared signal is received, when controlling its liquid crystal display 31 interval according to the infrared signal received
Between turn over screen by screen automatically;Camera 23 shoots the display picture of liquid crystal display 31 by screen, and the display picture of shooting is sent to
Monitor 4, or be sent to after CPU element 21 and be sent to monitor 4 again, image processing software is installed in monitor 4, passed through
Display picture is compared image processing software with standard picture by screen, so as to complete the liquid crystal display 31 to intelligent electric energy meter 3
Quality inspection.The automation of the quality inspection to the liquid crystal display 31 of intelligent electric energy meter 3 is realized, is used manpower and material resources sparingly, is examined
Efficiency high, and be not easy to occur examining inaccuracy or the situation of missing inspection, test effect good.
Citing described above for best mode for carrying out the invention, wherein the part do not addressed in detail is that this area is common
The common knowledge of technical staff.Protection scope of the present invention is defined by the content of claim, any technology based on the present invention
The equivalent transformation for enlightening and carrying out, also within protection scope of the present invention.