CN101885442A - Watchdog control method of infrared touch type elevator system - Google Patents
Watchdog control method of infrared touch type elevator system Download PDFInfo
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- CN101885442A CN101885442A CN 201010210310 CN201010210310A CN101885442A CN 101885442 A CN101885442 A CN 101885442A CN 201010210310 CN201010210310 CN 201010210310 CN 201010210310 A CN201010210310 A CN 201010210310A CN 101885442 A CN101885442 A CN 101885442A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000005057 finger movement Effects 0.000 description 3
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Abstract
The invention aims to provide a watchdog control method of a infrared touch type elevator system. A control chip, a photosensitive sensor and an embedded main control board of an infrared detection frame device respectively send out monitoring signals to a previous device thereof when special conditions are satisfied so that a roof main control board can judge whether the devices go wrong or not according to detection results of the special monitoring signals and make corresponding emergent action. The watchdog control method of the infrared touch type elevator system has a monitoring range covering the infrared detection frame device, the display screen and the embedded main control board, can prevent passengers from being trapped to cause secondary accidents no matter the devices go wrong in the stop process or the operation process of the elevator and can greatly improve the reliability of the elevator system operated in a touch mode.
Description
Technical field
The present invention relates to a kind of watchdog control method that is used on the elevator device, this method is particularly useful for being equipped with the elevator device of infrared touch type elevator control panel.
Background technology
Along with the widespread use of touch screen technology, the current appearance on the market with the elevator device of touch-screen as floor registration input media.The type of touch screens that adopts in these elevator devices mostly is condenser or resistance-type greatly.And the disadvantage of condenser or resistive touch screen is: the application force of finger is to act directly on as on the screen body of touch screen of sensor, be easy to spend big and access times are more damages owing to pressing force, in case touch screen from being damaged or malfunctioning, the passenger can not carry out floor registration or other operations, thereby influence the normal use of elevator.
In addition, also has a kind of control board for elevator that adopts the infrared acquisition frame to realize touch operation.Be covered with around the infrared acquisition circle body infrared transmitting tube and infrared receiving tube are arranged, infrared transmitting tube is corresponding one by one with the position of infrared receiving tube on framework, form a crisscross infrared grid net, as object as: the finger, enter infrared grid net and cause horizontal infrared ray and vertical ultrared intensity when changing, then above-mentioned horizontal infrared ray and vertical pairing infrared receiving tube of infrared ray can know whether the touch behavior has taken place, and where the touch behavior taken place, and can will cause that the position of the relative infrared acquisition frame apparatus of object of touch behavior outwards exports with the form of data-signal.The advantage of infrared acquisition frame is: finger and infrared transmitting tube or infrared receiving tube and no touch during operation, its service life and stability outclass capacitive touch screen and resistive touch screen.Yet the infrared acquisition frame also can meet with malfunctioning situation, can make equally when it is malfunctioning that elevator can not normally use.
The function implement device of touch operation also comprises embedded master control board and read-out etc. except the above-mentioned finger movement detector of mentioning (as: touch-screen or infrared acquisition frame), the fault of these devices can make that all elevator can not normally use.The control board for elevator of current touch operation does not have a set of fault emergency processing program usually, is commonly called as " house dog ", thereby behind its et out of order, especially et out of order in the elevator motion process, then the passenger might be confined in the elevator, up to the elevator management personnel rescue of showing up.Such elevator device, the treatment that gives the passenger is obviously not enough, therefore need improve existing touch type elevator system.
Summary of the invention
The watchdog control method that the purpose of this invention is to provide a kind of infrared touch type elevator system.
For achieving the above object, the present invention takes following technical scheme:
The watchdog control method of infrared touch type elevator system comprises:
1) control chip of infrared acquisition frame apparatus periodically sends first monitor signal to embedded master control board; The condition of sending of described first monitor signal is: the control chip of infrared acquisition frame apparatus detects the signal of all infrared receiving tubes, and the non-standby signal duration of arbitrary infrared receiving tube is no more than the default duration in limited time of control chip;
2) sensor that is arranged on the fluorescent tube place of read-out sends second monitor signal to embedded master control board constantly; The condition of sending of described second monitor signal is: sensor monitors fluorescent tube constantly and is in bright state;
3) embedded master control board sends the 3rd monitor signal by sedan-chair top appliance plate to the roof master board; The condition of sending of described the 3rd monitor signal is: embedded master control board is received first monitor signal and is received second monitor signal;
Reclocking when 4) the roof master board is received the 3rd monitor signal in a default countdown cycle, otherwise start the emergency action program;
5) the roof master board that has started the emergency action program all can be received the 3rd monitor signal in the continuous countdown cycle of preset times, then removes the emergency action program, recovers readiness for action.
The control chip of above-described infrared acquisition frame apparatus is preferably 10 seconds to the timing length that embedded master control board sends first monitor signal; And the default duration in limited time of control chip is preferably 20 seconds.
The default countdown cycle of above-described roof master board is preferably 12 seconds;
Above-described read-out is preferably LCDs;
The process of above-described startup emergency action program can drive default floor with car for: roof master board orders about main motor, and makes car door often open; The process of above-described releasing emergency action program can for: make car door close.
The monitoring range of elevator device watchdog control method of the present invention is contained infrared acquisition frame apparatus, read-out and embedded master control board.No matter elevator in stopped process or in the operational process said apparatus break down, can ensure that all the passenger is not besieged, avoid producing the secondary accident, greatly improved the reliability of the elevator device of touch operation.
Description of drawings
Fig. 1 is the structure diagram of block of the hardware system that is suitable for of the embodiment of the invention;
Fig. 2 is the workflow diagram of control chip in the infrared acquisition frame apparatus in the embodiment of the invention;
Fig. 3 is the workflow diagram of photosensor in the embodiment of the invention;
Fig. 4 is the workflow diagram of embedded master control board in the embodiment of the invention;
Fig. 5 is the workflow diagram of roof master board in the embodiment of the invention.
The specific embodiment
Below in conjunction with drawings and Examples content of the present invention is described further.
As shown in Figure 1, be the structure diagram of block of the hardware system that watchdog control method was suitable for of present embodiment, wherein: infrared acquisition frame apparatus, LCDs are communicated with embedded master control board respectively; Embedded master control board, sedan-chair top appliance plate, roof master board, main motor are communicated with successively.Include infrared transmitting tube, infrared receiving tube and control chip in the infrared acquisition frame apparatus, each infrared receiving tube is communicated with control chip respectively, and control chip is communicated with embedded master control board; The fluorescent tube of LCDs is attached with photosensor, and photosensor is communicated with embedded master control board.Near the photosensor of above-mentioned hardware system being installed in the LCDs fluorescent tube, be all the technical scheme of existing infrared touch type elevator system.And thereby those skilled in the art utilize general Eltec knowledge can will be used to detect the photosensor that lamp tube status sends corresponding signal to be connected to embedded master control board.
The control process of present embodiment is as follows:
1) control chip of infrared acquisition frame apparatus periodically sends first monitor signal to embedded master control board when condition satisfies, otherwise does not send first monitor signal.
In the present embodiment, the control chip of infrared acquisition frame apparatus is 10 seconds to the timing length that embedded master control board sends first monitor signal; And the default duration in limited time of control chip is 20 seconds.The workflow of control chip as shown in Figure 2, at first all infrared receiving tubes are detected, then begin the timing of 10 seconds timing lengths, and judged whether that infrared receiving tube sends non-standby signal, if no, then represent infrared acquisition frame apparatus this moment working properly and do not detect finger movement, after 10 seconds timing lengths finish, send first monitor signal to embedded master control board, and detect all infrared receiving tubes again; If had infrared receiving tube to send non-standby signal during the timing length at 10 seconds, then control chip is further judged the time length of this non-standby signal whether surpass 20 seconds duration in limited time, if not, think that then the infrared acquisition frame apparatus is working properly at this moment and detect finger movement, after 10 seconds timing lengths finish, send first monitor signal to embedded master control board equally, and return the flow process that detects all infrared receiving tubes again; The duration if the time length of non-standby signal was prescribed a time limit above 20 seconds thinks that then the infrared acquisition frame apparatus breaks down, and only returns the flow process that detects all infrared receiving tubes, and does not send first monitor signal.
2) photosensor that is arranged on the fluorescent tube place of LCDs sends second monitor signal to embedded master control board when condition satisfies, otherwise does not send second monitor signal.
The control flow of photosensor as shown in Figure 3, the bright state that it detects the read-out fluorescent tube when fluorescent tube is bright state, sends second monitor signal to embedded master control board; Fluorescent tube stops to send second monitor signal when extinguishing state.When fluorescent tube is in bright state always, then photosensor sends the second lasting monitor signal; Extinguish state when fluorescent tube is in always, then photosensor continues not send second monitor signal.
3) embedded master control board sends the 3rd monitor signal by sedan-chair top appliance plate to the roof master board when condition satisfies, otherwise does not send the 3rd monitor signal.
The control flow of embedded master control board as shown in Figure 4, it at first detects first monitor signal, if receive, then continues to detect second monitor signal; Otherwise return the flow process that detects first monitor signal.When detecting second monitor signal,, then send the 3rd monitor signal if receive; Otherwise return the flow process that detects first monitor signal.When the roof master board was received the 3rd monitor signal that embedded master board sends, promptly decidable infrared acquisition frame apparatus, LCDs and embedded master control board all were in the state of normal operation.
Reclocking when 4) the roof master board is received the 3rd monitor signal in a default countdown cycle, otherwise start the emergency action program.
In the present embodiment, the countdown cycle of roof master board is 12 seconds, its control flow as shown in Figure 5, at first begin countdown in 12 seconds, if receive the 3rd monitor signal before the countdown concluded, then return and restart countdown in 12 seconds, if still can not receive the 3rd monitor signal when the countdown concluded, there is fault in one or several that then judge infrared acquisition frame apparatus or LCDs or embedded master control board, then start the emergency action program, order about main motor car is driven default floor, and make car door often open, make the passenger can walk out car.
5) the roof master board that has started the emergency action program all can be received the 3rd monitor signal in the continuous countdown cycle of preset times, then removes the emergency action program, recovers readiness for action.
In the present embodiment, the roof master board is removed the condition of emergency action program for all to receive the 3rd monitor signal in 3 continuous countdown cycles.As shown in Figure 5, after having started the emergency action program, the roof master board will continue the 3rd monitor signal is detected, in case fault is eliminated, the roof master board recovers to receive the 3rd monitor signal, and then the emergency action program can't be disengaged at once, when roof master board in ensuing the 2nd and the 3rd countdown cycle is still received the 3rd monitor signal, the roof master board is just removed the emergency action program, and advances as readiness for action again.Can give roof master board time enough like this following the tracks of the 3rd monitor signal again, and guarantee that system resumes work again under the situation that fault is eliminated, can not expend the long self aligning time again, delay the recovery of system.
What this specification sheets was enumerated is better embodiment of the present invention only, and all equivalent technologies conversion of being done under principle of work of the present invention and thinking all are considered as protection scope of the present invention.
Claims (5)
1. the watchdog control method of infrared touch type elevator system is characterized in that: comprising:
1) control chip of infrared acquisition frame apparatus periodically sends first monitor signal to embedded master control board; The condition of sending of described first monitor signal is: the control chip of infrared acquisition frame apparatus detects the signal of all infrared receiving tubes, and the non-standby signal duration of arbitrary infrared receiving tube is no more than the default duration in limited time of control chip;
2) sensor that is arranged on the fluorescent tube place of read-out sends second monitor signal to embedded master control board constantly; The condition of sending of described second monitor signal is: sensor monitors fluorescent tube constantly and is in bright state;
3) embedded master control board sends the 3rd monitor signal by sedan-chair top appliance plate to the roof master board; The condition of sending of described the 3rd monitor signal is: embedded master control board is received first monitor signal and is received second monitor signal;
Reclocking when 4) the roof master board is received the 3rd monitor signal in a default countdown cycle, otherwise start the emergency action program;
5) the roof master board that has started the emergency action program all can be received the 3rd monitor signal in the continuous countdown cycle of preset times, then removes the emergency action program, recovers readiness for action.
2. the watchdog control method of infrared touch type elevator system as claimed in claim 1, it is characterized in that: the control chip of described infrared acquisition frame apparatus is 10 seconds to the timing length that embedded master control board sends first monitor signal; And the default duration in limited time of described control chip is 20 seconds.
3. the watchdog control method of infrared touch type elevator system as claimed in claim 2 is characterized in that: the default countdown cycle of roof master board is 12 seconds.
4. the watchdog control method of infrared touch type elevator system as claimed in claim 1, it is characterized in that: described read-out is a LCDs.
5. the watchdog control method of infrared touch type elevator system as claimed in claim 1, it is characterized in that: the process of described startup emergency action program is: the roof master board orders about main motor car is driven default floor, and makes car door often open; The process of described releasing emergency action program is: make car door close.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010210310A CN101885442B (en) | 2010-06-25 | 2010-06-25 | Watchdog control method of infrared touch type elevator system |
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| CN201010210310A CN101885442B (en) | 2010-06-25 | 2010-06-25 | Watchdog control method of infrared touch type elevator system |
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| CN101885442A true CN101885442A (en) | 2010-11-17 |
| CN101885442B CN101885442B (en) | 2012-10-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815449A (en) * | 2005-02-01 | 2006-08-09 | 艾默生网络能源有限公司 | Watchdog control method |
| CN101201770A (en) * | 2006-12-15 | 2008-06-18 | 大唐移动通信设备有限公司 | Method and system for storing important information before system collapse |
-
2010
- 2010-06-25 CN CN201010210310A patent/CN101885442B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1815449A (en) * | 2005-02-01 | 2006-08-09 | 艾默生网络能源有限公司 | Watchdog control method |
| CN101201770A (en) * | 2006-12-15 | 2008-06-18 | 大唐移动通信设备有限公司 | Method and system for storing important information before system collapse |
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| CN101885442B (en) | 2012-10-24 |
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Owner name: FOSHAN WABON ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: PAN WEIXIN Effective date: 20120912 Free format text: FORMER OWNER: XIAO HAIGUANG Effective date: 20120912 |
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Effective date of registration: 20120912 Address after: 528200 District, Guangdong, Guicheng, South China Sea Road, No., No. 17 days of science and Technology City, A District, floor 1, District, zone four Applicant after: Foshan Wabon Electronic Technology Co., Ltd. Address before: 528200 Guangdong Province Nanhai District of Foshan city Guiping road Hantian Technology City A block four building two district wabon electronic company Applicant before: Pan Weixin Applicant before: Xiao Haiguang |
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Address after: 528200 fourth floor, building 7, block a, Hantian Technology City, No. 17, Shenhai Road, Guicheng, Nanhai District, Foshan City, Guangdong Province (application for residence) Patentee after: Guangdong Weibang Technology Co., Ltd Address before: 528200, Guangdong, Nanhai District, Guicheng, Foshan deep sea No. 17, Han Tian science and Technology City, A District, four floor, zone 1, zone two Patentee before: Foshan Wabon Electronic Technology Co., Ltd. |