CN104330648A - Automatic elevator display plate testing device and method - Google Patents
Automatic elevator display plate testing device and method Download PDFInfo
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- CN104330648A CN104330648A CN201410024849.2A CN201410024849A CN104330648A CN 104330648 A CN104330648 A CN 104330648A CN 201410024849 A CN201410024849 A CN 201410024849A CN 104330648 A CN104330648 A CN 104330648A
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Abstract
The invention discloses an automatic elevator display plate testing device and method. The device comprises a test plate for placing elevator display plates; a PAC control system used for sending a first trigger signal to the elevator display plates; a camera used for taking pictures for the elevator display plates and detecting nixie tubes of the elevator display plates; a CAN voltage test module used for collecting and detecting the voltage of a CAN bus of each elevator display plate; a button output voltage test module used for collecting and detecting button output voltage of each elevator display plate; a button input test module used for detecting the button input end of each elevator display plate; a floor detection module used for detecting the floor of each elevator display plate; a terminal resistance test module used for calculating terminal resistor resistance of each elevator display plate; and the PAC control system is further used for detecting the terminal resistor resistance. With the method, automatic test can be carried out on the plurality of elevator display plates simultaneously; the test speed is fast; the test efficiency is high; and the test result is accurate.
Description
Technical field
The present invention relates to a kind of automatic testing equipment and method of elevator display board, particularly relate to a kind of automatic testing equipment of elevator display board and a kind of automatic test approach of the elevator display board utilizing described automatic testing equipment to realize that can carry out test automatically to the multinomial performance of multiple elevator display board simultaneously.
Background technology
Elevator display board all will be tested after producing, and without any defect during to guarantee to dispatch from the factory, the test of existing elevator display board is to be tested manually, mainly contains following problem:
Each tester can only test an elevator display board at every turn, and owing to being test manually, causes test period very long, causes elevator display board to take a lot of test durations from producing to dispatch from the factory;
Existing test item is considerably less, cannot test the main performance of elevator display board all sidedly, and likely can omit some test item because of the carelessness of tester in test process;
All test results are all by tester's subjective judgement, cause test result to lack objectivity and accuracy;
Test process is more loaded down with trivial details, complicated, loses time very much, and testing efficiency is very low.
Summary of the invention
The technical problem to be solved in the present invention is tested manually to overcome in prior art to be the test of elevator display board, cause that test period is very long, test item is considerably less, test result is inaccurate and the low-down defect of testing efficiency, a kind of automatic testing equipment of elevator display board and a kind of automatic test approach of the elevator display board utilizing described automatic testing equipment to realize that can carry out test automatically to the multinomial performance of multiple elevator display board are provided simultaneously.
The present invention solves above-mentioned technical matters by following technical proposals:
The invention provides a kind of automatic testing equipment of elevator display board, its feature is, it comprises a test board, a camera, PAC(automation controller able to programme) control system, a CAN(controller local area network) communication test module, a CAN voltage test module, a button output voltage test module, a button input test module, a floor test module and a terminal resistance test module;
Described test board is for placing at least one elevator display board, and described PAC control system is used for sending one first trigger pip by described CAN communication test module to each elevator display board and lights whole charactron to control described elevator display board;
A standard picture is stored in described camera, described in described standard picture, the charactron of at least one elevator display board is all lighted, described camera is used for taking pictures at least one elevator display board described, and the photo taken and described standard picture are compared, described in the photo taken with detection, whether the charactron of at least one elevator display board is all lighted, and testing result is sent to described PAC control system;
Described CAN voltage test module is for gathering the voltage of the CAN of each elevator display board, and whether the voltage that detection collects is in a CAN voltage span, testing result is sent to described PAC control system;
Described button output voltage test module is for gathering the output voltage of the button of each elevator display board, and whether the voltage that detection collects is in a button output voltage span, testing result is sent to described PAC control system;
Described button input test module is used for the input end of the button of at least one elevator display board described in short circuit, and call described PAC control system and send one second trigger pip to each elevator display board and light charactron to control described elevator display board, described camera is also for taking pictures to the charactron lighted, and detect the charactron that each elevator display board lights and whether be shown as a specific character, testing result is sent to described PAC control system;
The storey setting contact pin that described floor test module is used for short circuit each elevator display board enters storey setting state to control described elevator display board, and the upper trick button of elevator display board described in short circuit is at least one times to arrange floor, then the power supply of described elevator display board is disconnected, power on after a time period and again above recruit button to send to described PAC control system the packet that comprises current floor numeral described in short circuit, whether the current floor numeral of described PAC control system also for detecting in described packet be identical with a preset value;
Described terminal resistance test module is for gathering the current value of the terminal resistance flowing through each elevator display board, and the terminal resistance resistance of each elevator display board is calculated according to the current value collected, described terminal resistance resistance is sent to described PAC control system, and described PAC control system is also for judging whether described terminal resistance resistance is within the scope of a resistance value.
Preferably, described CAN voltage span is 2.2-2.35V, and described button output voltage span is 6.2-6.8V.
Preferably, described test board is placed with 4 elevator display boards.
Preferably, described resistance value scope is 115-130 Ω (ohm).
Preferably, described automatic testing equipment also comprises one for showing the display module of each testing result.
The object of the invention is to the automatic test approach additionally providing a kind of elevator display board, its feature is, it utilizes above-mentioned automatic testing equipment to realize, and described automatic test approach comprises the following steps:
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1, at least one elevator display board described is placed on described test board, described CAN voltage test module gathers the voltage of the CAN of each elevator display board, and whether the voltage that detection collects is in a CAN voltage span, testing result is sent to described PAC control system;
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2, described PAC control system sends one first trigger pip by described CAN communication test module to each elevator display board and lights whole charactron to control described elevator display board;
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3, described camera takes pictures at least one elevator display board described, and the photo taken and described standard picture are compared, described in the photo taken with detection, whether the charactron of at least one elevator display board is all lighted, and testing result is sent to described PAC control system;
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4, whether described button output voltage test module gathers the output voltage of the button of each elevator display board, and detect the voltage collected and be in a button output voltage span, testing result is sent to described PAC control system;
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5, at least one elevator display board described in described button input test module short circuit the input end of button, and call described PAC control system and send one second trigger pip to each elevator display board and light charactron to control described elevator display board, described camera is also taken pictures to the charactron lighted, and detect the charactron that each elevator display board lights and whether be shown as a specific character, testing result is sent to described PAC control system;
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6, described floor test module short circuit each elevator display board storey setting contact pin enter storey setting state to control described elevator display board, and the upper trick button of elevator display board described in short circuit is at least one times to arrange floor, then the power supply of described elevator display board is disconnected, power on after a time period and again above recruit button to send to described PAC control system the packet that comprises current floor numeral described in short circuit, whether the current floor numeral that described PAC control system also detects in described packet is identical with a preset value;
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7, the collection of described terminal resistance test module flows through the current value of the terminal resistance of each elevator display board, and the terminal resistance resistance of each elevator display board is calculated according to the current value collected, described terminal resistance resistance is sent to described PAC control system, and described PAC control system is also for judging whether described terminal resistance resistance is within the scope of a resistance value.
Preferably, described CAN voltage span is 2.2-2.35V, and described button output voltage span is 6.2-6.8V.
Preferably, described test board is placed with 4 elevator display boards.
Preferably, described resistance value scope is 115-130 Ω.
Preferably, described automatic testing equipment also comprises one for showing the display module of each testing result, in described automatic test approach, also show each testing result by described display module.
Positive progressive effect of the present invention is: the present invention can test multiple elevator display board simultaneously automatically, and test item is very many, thus the main performance of elevator display board can be tested all sidedly, test speed of the present invention is fast, test period is very short, testing efficiency is very high, and test result is all system automatic decision, and test result is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automatic testing equipment of the elevator display board of a preferred embodiment of the present invention.
Fig. 2 is the process flow diagram of the automatic test approach of the elevator display board of a preferred embodiment of the present invention.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, the automatic testing equipment of elevator display board of the present invention comprises test board 1, camera 2, PAC control system 3, CAN communication test module 4, CAN voltage test module 5, button output voltage test module 6, button input test module 7, floor test module 8, terminal resistance test module 9 and a display module 10.
Utilize automatic testing equipment of the present invention automatically to test multiple elevator display board simultaneously, particularly, described test board 1 is placed at least one elevator display board, preferably, place four in the present embodiment.Described PAC control system 3 is connected with the communication interface of described camera 2 by the RJ45 interface (a kind of network card interface for data transmission) carried, first described PAC control system 3 can carry out communication with described camera 2, if communication abnormality, then cannot carry out follow-up test procedure again, only after described PAC control system 3 with described camera 2 normal communication, follow-up test could be carried out to described elevator display board.
After starting to test, described CAN voltage test module 5 can gather the high level of the CANH(CAN bus interface of each elevator display board), the low level of CANL(CAN bus interface) relative to the voltage of ground (i.e. 0V), and whether the voltage that detection collects is between 2.2V to 2.35V, if be in, then illustrate that the CAN voltage of described elevator display board is normal, if be not in, then CAN electric voltage exception is described, testing result can be sent to described PAC control system 3 by described CAN voltage test module 5, described testing result is also exported to described display module 10 and shows by described PAC control system 3.
Then, described PAC control system 3 sends to each elevator display board the communications protocol that comprises one first trigger pip by described CAN communication test module 4, lights whole charactron to control described elevator display board, then, described PAC control system 3 also triggers described camera 2 and takes pictures to the elevator display board on described test board 1, a standard picture is stored in described camera 2, described in described standard picture, the charactron of four elevator display boards is all lighted, the photo taken and described standard picture can be compared by described camera 2, described in the photo taken with detection, whether the charactron of four elevator display boards is all lighted, if the photo taken and described standard picture just the same, then illustrate that the charactron of elevator display board is all lighted, testing result is that the charactron of four elevator display boards is all normal, if different, then described camera 2 can detect that the charactron of which or which elevator display board is not all lighted, testing result is the charactron existing problems of these elevator display boards.Testing result is also sent to described PAC control system 3 by described camera 2, and described testing result is also exported to described display module 10 and shows by described PAC control system 3.
Meanwhile, described button output voltage test module 6 can gather the output voltage of the button of each elevator display board, and at about 6.5V (preferably whether the voltage that detection collects, be 6.2-6.8V in the present embodiment), if, then illustrate that the output voltage of described elevator display board is normal, if not, then illustrate that the output voltage of described elevator display board is abnormal, testing result is also sent to described PAC control system 3 by described button output voltage test module 6, and described testing result is also exported to described display module 10 and shows by described PAC control system 3.
After the button output voltage testing elevator display board, the button input end of each elevator display board of described button input test module 7 short circuit, and call described PAC control system 3 and send to each elevator display board the communications protocol that comprises one second trigger pip, light charactron to control described elevator display board.Particularly, in the present embodiment, after the button input end of short circuit first elevator display board, the numeral of charactron can become numeral " 2 " from numeral " 1 ", after the button input end of short circuit second elevator display board, numeral becomes " 3 ", after the button input end of short circuit the 3rd elevator display board, numeral becomes " 4 ", specific character " 44 " is shown after the button input end of short circuit the 4th elevator display board, at this moment described PAC control system 3 again can trigger described camera 2 and takes pictures, and detect charactron in the photo taken and whether show specific character " 44 ", if, then the button input end test result of described elevator display board is normal, if not, then test result is abnormal.Testing result is also sent to described PAC control system 3 by described camera 2, and described testing result is also exported to described display module 10 and shows by described PAC control system 3.
The storey setting contact pin of each elevator display board of following described floor test module 8 meeting short circuit, storey setting state is entered to control elevator display board, afterwards continuously the upper trick button of elevator display board described in short circuit twice to arrange floor, the floor of described elevator display board is shown be increased to " 2 " by initial value " 0 ", then the power supply of described elevator display board is disconnected, power-off powers on after 2 seconds again, cancel the storey setting state of elevator display board, and then described in short circuit on recruit button, at this moment described elevator display board can send to described PAC control system 3 packet that comprises current floor numeral, whether the current floor numeral that described PAC control system 3 can detect in described packet is identical with a preset value (i.e. numerical value 2), if identical, then floor test result is normal, if different, then floor test result is abnormal, testing result is also exported to described display module 10 and shows by described PAC control system 3.
Described terminal resistance test module 9 can gather the current value of the terminal resistance flowing through each elevator display board, Ohm law is utilized to calculate the terminal resistance resistance of each elevator display board according to the current value collected, and the terminal resistance resistance calculated is sent to described PAC control system 3, described PAC control system 3 can judge whether described terminal resistance resistance is between 115 Ω to 130 Ω, if, then terminal resistance test result is normal, if not, then terminal resistance resistance test result is abnormal, testing result is also exported to described display module 10 and shows by described PAC control system 3.
Like this, utilize the automatic testing equipment of the elevator display board of the present embodiment just can automatically test multiple elevator display board simultaneously, and test item is very many, thus the main performance of elevator display board can be tested all sidedly, test speed of the present invention is fast, test period is very short, testing efficiency is very high, and test result is all system automatic decision, and test result is accurate.
As shown in Figure 2, the automatic test approach of the present invention's elevator display board of utilizing the Auto-Test System of the elevator display board of the present embodiment to realize comprises the following steps:
Step 101, described four elevator display boards are placed on described test board 1, described CAN voltage test module 5 gathers the voltage of the CAN of each elevator display board, and whether the voltage that detection collects is between 2.2V to 2.35V, testing result is sent to described PAC control system 3, testing result is exported to described display module 10 and shows by described PAC control system 3.
Step 102, described PAC control system 3 send one first trigger pip by described CAN communication test module 4 to each elevator display board and light whole charactron to control described elevator display board.
Step 103, described camera 2 are taken pictures to described elevator display board, and the photo taken and described standard picture are compared, described in the photo taken with detection, whether the charactron of elevator display board is all lighted, testing result is sent to described PAC control system 3, testing result is exported to described display module 10 and shows by described PAC control system 3.
Step 104, described button output voltage test module 6 gather the output voltage of the button of each elevator display board, and whether the voltage that detection collects is at about 6.5V, testing result is sent to described PAC control system 3, testing result is exported to described display module 10 and shows by described PAC control system 3.
The input end of the button of elevator display board described in step 105, described button input test module 7 short circuit, and call described PAC control system 3 and send one second trigger pip to each elevator display board and light charactron to control described elevator display board, described camera 2 is also taken pictures to the charactron lighted, and detect the charactron that each elevator display board lights and whether be shown as a specific character, testing result is sent to described PAC control system 3, testing result is exported to described display module 10 and shows by described PAC control system 3.
Step 106, the storey setting contact pin of described floor test module 8 short circuit each elevator display board enters storey setting state to control described elevator display board, and the upper trick button of elevator display board described in short circuit is at least one times to arrange floor, then the power supply of described elevator display board is disconnected, power on after a time period and again described in short circuit, above recruit button to send to described PAC control system 3 packet that comprises current floor numeral, whether the current floor numeral that described PAC control system 3 also detects in described packet is identical with a preset value, and testing result is exported to described display module 10 and show.
The collections of step 107, described terminal resistance test module 9 flow through the current value of the terminal resistance of each elevator display board, and the terminal resistance resistance of each elevator display board is calculated according to the current value collected, described terminal resistance resistance is sent to described PAC control system 3, testing result also for judging whether described terminal resistance resistance is within the scope of a resistance value, and is exported to described display module 10 and shows by described PAC control system 3.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. the automatic testing equipment of an elevator display board, it is characterized in that, it comprises a test board, a camera, a PAC control system, a CAN communication test module, a CAN voltage test module, a button output voltage test module, a button input test module, a floor test module and a terminal resistance test module;
Described test board is for placing at least one elevator display board, and described PAC control system is used for sending one first trigger pip by described CAN communication test module to each elevator display board and lights whole charactron to control described elevator display board;
A standard picture is stored in described camera, described in described standard picture, the charactron of at least one elevator display board is all lighted, described camera is used for taking pictures at least one elevator display board described, and the photo taken and described standard picture are compared, described in the photo taken with detection, whether the charactron of at least one elevator display board is all lighted, and testing result is sent to described PAC control system;
Described CAN voltage test module is for gathering the voltage of the CAN of each elevator display board, and whether the voltage that detection collects is in a CAN voltage span, testing result is sent to described PAC control system;
Described button output voltage test module is for gathering the output voltage of the button of each elevator display board, and whether the voltage that detection collects is in a button output voltage span, testing result is sent to described PAC control system;
Described button input test module is used for the input end of the button of at least one elevator display board described in short circuit, and call described PAC control system and send one second trigger pip to each elevator display board and light charactron to control described elevator display board, described camera is also for taking pictures to the charactron lighted, and detect the charactron that each elevator display board lights and whether be shown as a specific character, testing result is sent to described PAC control system;
The storey setting contact pin that described floor test module is used for short circuit each elevator display board enters storey setting state to control described elevator display board, and the upper trick button of elevator display board described in short circuit is at least one times to arrange floor, then the power supply of described elevator display board is disconnected, power on after a time period and again above recruit button to send to described PAC control system the packet that comprises current floor numeral described in short circuit, whether the current floor numeral of described PAC control system also for detecting in described packet be identical with a preset value;
Described terminal resistance test module is for gathering the current value of the terminal resistance flowing through each elevator display board, and the terminal resistance resistance of each elevator display board is calculated according to the current value collected, described terminal resistance resistance is sent to described PAC control system, and described PAC control system is also for judging whether described terminal resistance resistance is within the scope of a resistance value.
2. automatic testing equipment as claimed in claim 1, it is characterized in that, described CAN voltage span is 2.2-2.35V, and described button output voltage span is 6.2-6.8V.
3. automatic testing equipment as claimed in claim 1, is characterized in that, described test board is placed with 4 elevator display boards.
4. automatic testing equipment as claimed in claim 1, it is characterized in that, described resistance value scope is 115-130 Ω.
5. as the automatic testing equipment in claim 1-4 as described in any one, it is characterized in that, described automatic testing equipment also comprises one for showing the display module of each testing result.
6. an automatic test approach for elevator display board, is characterized in that, it utilizes automatic testing equipment as claimed in claim 1 to realize, and described automatic test approach comprises the following steps:
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1, at least one elevator display board described is placed on described test board, described CAN voltage test module gathers the voltage of the CAN of each elevator display board, and whether the voltage that detection collects is in a CAN voltage span, testing result is sent to described PAC control system;
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2, described PAC control system sends one first trigger pip by described CAN communication test module to each elevator display board and lights whole charactron to control described elevator display board;
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3, described camera takes pictures at least one elevator display board described, and the photo taken and described standard picture are compared, described in the photo taken with detection, whether the charactron of at least one elevator display board is all lighted, and testing result is sent to described PAC control system;
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4, whether described button output voltage test module gathers the output voltage of the button of each elevator display board, and detect the voltage collected and be in a button output voltage span, testing result is sent to described PAC control system;
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5, at least one elevator display board described in described button input test module short circuit the input end of button, and call described PAC control system and send one second trigger pip to each elevator display board and light charactron to control described elevator display board, described camera is also taken pictures to the charactron lighted, and detect the charactron that each elevator display board lights and whether be shown as a specific character, testing result is sent to described PAC control system;
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6, described floor test module short circuit each elevator display board storey setting contact pin enter storey setting state to control described elevator display board, and the upper trick button of elevator display board described in short circuit is at least one times to arrange floor, then the power supply of described elevator display board is disconnected, power on after a time period and again above recruit button to send to described PAC control system the packet that comprises current floor numeral described in short circuit, whether the current floor numeral that described PAC control system also detects in described packet is identical with a preset value;
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7, the collection of described terminal resistance test module flows through the current value of the terminal resistance of each elevator display board, and the terminal resistance resistance of each elevator display board is calculated according to the current value collected, described terminal resistance resistance is sent to described PAC control system, and described PAC control system is also for judging whether described terminal resistance resistance is within the scope of a resistance value.
7. automatic test approach as claimed in claim 6, it is characterized in that, described CAN voltage span is 2.2-2.35V, and described button output voltage span is 6.2-6.8V.
8. automatic test approach as claimed in claim 6, is characterized in that, described test board is placed with 4 elevator display boards.
9. automatic test approach as claimed in claim 6, it is characterized in that, described resistance value scope is 115-130 Ω.
10. as the automatic test approach in claim 6-9 as described in any one, it is characterized in that, described automatic testing equipment also comprises one for showing the display module of each testing result, in described automatic test approach, also show each testing result by described display module.
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| CN111145674A (en) * | 2019-12-27 | 2020-05-12 | 上海辛格林纳新时达电机有限公司 | Display panel detection method, electronic device and storage medium |
| CN112295945A (en) * | 2020-09-28 | 2021-02-02 | 日立楼宇技术（广州）有限公司 | Call box detection method and device, computer equipment and storage medium |
| CN113219322A (en) * | 2021-04-23 | 2021-08-06 | 格力电器（武汉）有限公司 | Display panel detection method based on PLC |
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| CN112295945A (en) * | 2020-09-28 | 2021-02-02 | 日立楼宇技术（广州）有限公司 | Call box detection method and device, computer equipment and storage medium |
| CN113219322A (en) * | 2021-04-23 | 2021-08-06 | 格力电器（武汉）有限公司 | Display panel detection method based on PLC |
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| CN104330648B (en) | 2017-02-08 |
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