CN103774380A - Washing machine with human body infrared identification protection function and human body identification protection method - Google Patents
Washing machine with human body infrared identification protection function and human body identification protection method Download PDFInfo
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- CN103774380A CN103774380A CN201410038827.1A CN201410038827A CN103774380A CN 103774380 A CN103774380 A CN 103774380A CN 201410038827 A CN201410038827 A CN 201410038827A CN 103774380 A CN103774380 A CN 103774380A
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- washing machine
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- infrared sensor
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- D06F2212/06—
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Abstract
The invention discloses a washing machine with a human body infrared identification protection function and a human body identification protection method. The washing machine with the human body infrared identification protection function comprises a washing machine body with a washing machine face frame, wherein a pyroelectric infrared sensing device for detecting whether a human body exists in an inner barrel or not is arranged on one side, close to one side of the inner barrel, of the washing machine face frame; a signal output end of the pyroelectric infrared sensing device is connected with a signal input end of a washing machine computer board. According to the human body identification protection method, the pyroelectric infrared sensing device is utilized to detect whether the human body exists in the inner barrel of the washing machine or not, and if the washing machine computer board receives a signal sent by the pyroelectric infrared sensing device, and when the lasting time of the signal arrives a first set time, the washing machine computer board is immediately controlled to open a drain valve of the washing machine, close an inlet valve of the washing machine and switch off a power supply of a motor of the washing machine, so that the washing machine can be prevented from being continuously operated to cause human injury accidents.
Description
Technical field
The present invention relates to a kind of washing machine, relate in particular to a kind of washing machine and human body identification protecting method with human body infrared identification protecting function.
Background technology
At present; existing automatic washing machine possesses associated safety safeguard measure mostly; open washing machine cover or inner core amplitude of fluctuation excessive (unbalance loading is excessive) in the time that washing machine dewaters work time, automatically cut off the power supply of motor, force motor to stop operating.But, because existing washing machine safety precautions is limited, in society, still there is the excessive virgin and virgin event of strand of many washing machines.The main cause that this accident occurs is that existing washing machine is meeting de-preservation after washing machine cover is closed and when inner core unbalance loading is not too large, there is no special human body recognition device, lacks the situation consideration to be strayed into washing machine without the children of awareness of safety.
Summary of the invention
The object of this invention is to provide a kind of washing machine and human body identification protecting method with human body infrared identification protecting function; can to whether existing human body to detect in inner core; and stop washing machine work detecting after human-induced signal, avoid occurring the washing machine virgin and virgin event of strand of drowning.
The present invention adopts following technical proposals:
A kind of washing machine with human body infrared identification protecting function; comprise the washing machine body that is provided with washer surface frame; described washer surface frame is provided with for detection of the rpyroelectric infrared sensing device that whether has human body in inner core near a side of inner core, and the signal output part of rpyroelectric infrared sensing device connects the signal input part of computer board of washing machine.
Described rpyroelectric infrared sensing device comprises pyroelectric infrared sensor and is arranged on the Fresnel filter lens that pyroelectric infrared sensor radiation is shown up.
Described rpyroelectric infrared sensing device is fixed on the side of washer surface frame near inner core by fixture.
Described fixture comprises connector and be arranged on the screw column on washer surface frame, and one end and the screw column of connector are fixed, and the other end of connector is fixed with rpyroelectric infrared sensing device.
Described rpyroelectric infrared sensing device is fixed on connector by the plastic fixtures that is provided with snap fit.
Described connector adopts sheet metal component.
Described rpyroelectric infrared sensing device is arranged on the washer surface frame middle part near washer operation panel one side.
The signal output part control connection pyroelectric infrared sensor power supply circuits of described computer board of washing machine, the signal output part of keyboard input module connects the signal input part of computer board of washing machine.
A kind of washing machine human body identification protecting method, comprises the following steps:
A: when user connects after washing machine power supply, pyroelectric infrared sensor starts to detect whether have human body in inner core immediately; When user selects and starts after program for washing, computer board of washing machine judges whether to receive the signal that Thermoelectric Infrared Sensor sends; If receive the signal that Thermoelectric Infrared Sensor sends, enter step B; If do not receive the signal that Thermoelectric Infrared Sensor sends, enter step e;
B: computer board of washing machine judges the Thermoelectric Infrared Sensor receiving signal duration, if arrive the first setting-up time, computer board of washing machine is carried out protection action at once: close water intake valve of washing machine, open For Drain Valve of Washing Machine, disconnect washing machine motor power supply, and report to the police by buzzer, then enter step C; If do not arrive the first setting-up time, enter step e;
C: computer board of washing machine judges whether the signal that Thermoelectric Infrared Sensor sends disappears, if the blackout that Thermoelectric Infrared Sensor sends enters step e; If computer board of washing machine continues to receive the signal that Thermoelectric Infrared Sensor sends, enter step D;
D: computer board of washing machine judges whether the duration of Thermoelectric Infrared Sensor transmitted signal be greater than the second setting-up time, if the duration is greater than the second setting-up time, computer board of washing machine control washing machine closes tester in power-down state; If the duration is not more than the second setting-up time, return to step C;
E: computer board of washing machine control washing machine is carried out user-selected program for washing, program for washing executes rear washing machine and closes tester in power-down state.
In described step C, in the time that computer board of washing machine judges whether the signal of Thermoelectric Infrared Sensor transmission disappears, if the blackout that Thermoelectric Infrared Sensor sends enters step C1; If computer board of washing machine continues to receive the signal that Thermoelectric Infrared Sensor sends, enter step D;
C1: computer board of washing machine judges that whether the extinction time of Thermoelectric Infrared Sensor signal transmitted is greater than the 3rd setting-up time, if be greater than the 3rd setting-up time, enters step e; If be not more than the 3rd setting-up time, enter step C2;
C2: computer board of washing machine utilizes level sensor to judge whether the water level in inner core is empty bucket water level, if empty bucket water level, computer board of washing machine control washing machine closes tester in power-down state; If not empty bucket water level, computer board of washing machine control washing machine maintenance water intake valve of washing machine is closed, For Drain Valve of Washing Machine is opened, washing machine motor power cut-off state, until the water in inner core is emptying, then washing machine closes tester in power-down state.
The present invention is by arranging the rpyroelectric infrared sensing device that connects computer board of washing machine near a side of inner core at washer surface frame, utilize rpyroelectric infrared sensing device to detect in inner tank of washing machine whether have human body, if when computer board of washing machine receives the signal of Thermoelectric Infrared Sensor transmission and arrives the first setting-up time signal duration, computer board of washing machine is controlled at once and is opened For Drain Valve of Washing Machine, closes water intake valve of washing machine and disconnects the power supply of washing machine motor, to avoid washing machine to continue operation, human injury's accident occurs.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is the enlarged diagram of A part in Fig. 2;
Fig. 4 is the flow chart of human body identification protecting method of the present invention.
The specific embodiment
As shown in Figures 1 to 4, the washing machine with human body infrared identification protecting function of the present invention comprises washing machine body, and washing machine body comprises washer surface frame 1, inner core 6 and computer board of washing machine 5 etc., does not repeat them here.Washer surface frame 1 is provided with for detection of the rpyroelectric infrared sensing device 2 that whether has human body in inner core 6 near a side of inner core 6, and the signal output part of rpyroelectric infrared sensing device 2 is connected the signal input part of computer board of washing machine 5 by connecting line 3 and binding post 4.Rpyroelectric infrared sensing device 2 is by pyroelectric infrared sensor and be arranged on the Fresnel filter lens that pyroelectric infrared sensor radiation shows up and form, Fresnel filter lens can strengthen the sensitiveness of pyroelectric infrared sensor and effectively reduce white light and disturb, and plays the effect of focusing simultaneously.For the investigative range that guarantees rpyroelectric infrared sensing device 2 can cover inner core 6 inner spaces to greatest extent, rpyroelectric infrared sensing device 2 is arranged on washer surface frame 1 middle part near washer operation panel one side (being front side) by fixture.Fixture comprises connector 8 and is arranged on the screw column 7 on washer surface frame 1, one end of connector 8 and screw column 7 are fixing, the other end of connector 8 is fixed with rpyroelectric infrared sensing device 2 by the plastic fixtures 9 that is provided with snap fit, by adjusting the fixed angle of plastic fixtures 9 and connector 8, can play the effect that regulates pyroelectric infrared sensor investigative range, make investigative range as shown in dash area in Fig. 2.In the present embodiment, connector 8 can adopt sheet metal component.The signal output part control connection pyroelectric infrared sensor power supply circuits of computer board of washing machine 5, the signal output part of keyboard input module connects the signal input part of computer board of washing machine 5.User can pass through keyboard input module input control order, controls the unlatching of pyroelectric infrared sensor or closes.
Human body identification protecting method of the present invention, comprises the following steps:
A: when user connects after washing machine power supply, pyroelectric infrared sensor starts to detect whether have human body in inner core 6 immediately; When user selects and starts after program for washing, computer board of washing machine 5 is the omnidistance signal that judges whether to receive Thermoelectric Infrared Sensor transmission in the time that program for washing starts to carry out and in program for washing implementation; If receive the signal that Thermoelectric Infrared Sensor sends, enter step B; If do not receive the signal that Thermoelectric Infrared Sensor sends, enter step e;
B: computer board of washing machine 5 judges the Thermoelectric Infrared Sensor receiving signal duration, if arrive the first setting-up time, computer board of washing machine 5 is carried out protection action at once: close water intake valve of washing machine, open For Drain Valve of Washing Machine, disconnect washing machine motor power supply, and report to the police by buzzer, then enter step C; If do not arrive the first setting-up time, enter step e;
C: computer board of washing machine 5 judges whether the signal that Thermoelectric Infrared Sensor sends disappears, if the blackout that Thermoelectric Infrared Sensor sends enters step C1; If computer board of washing machine 5 continues to receive the signal that Thermoelectric Infrared Sensor sends, enter step D;
C1: computer board of washing machine 5 judges that whether the extinction time of Thermoelectric Infrared Sensor signal transmitted is greater than the 3rd setting-up time, if be greater than the 3rd setting-up time, enters step e; If be not more than the 3rd setting-up time, enter step C2;
C2: computer board of washing machine 5 utilizes level sensor to judge whether the water level in inner core 6 is empty bucket water level, if empty bucket water level, computer board of washing machine 5 is controlled washing machine and closed tester in power-down state; If not empty bucket water level, computer board of washing machine 5 is controlled washing machine and is kept that water intake valve of washing machine is closed, For Drain Valve of Washing Machine is opened, washing machine motor power cut-off state, until the water in inner core 6 is emptying, then washing machine closes tester in power-down state;
D: computer board of washing machine 5 judges whether the duration of Thermoelectric Infrared Sensor transmitted signal be greater than the second setting-up time, if the duration is greater than the second setting-up time, computer board of washing machine 5 is controlled washing machine and is closed tester in power-down state; If the duration is not more than the second setting-up time, return to step C;
E: computer board of washing machine 5 is controlled washing machine and carried out user-selected program for washing, program for washing executes rear washing machine and closes tester in power-down state.
In use, when user connects after washing machine power supply, pyroelectric infrared sensor commences work without delay in the present invention, detects in inner core 6 whether have human body.Thermoelectric Infrared Sensor can detect for the infrared ray of 10 μ m left and right specific wavelengths of human-body emitting, and is changed into voltage signal and be sent to computer board of washing machine 5.When user selects and starts after program for washing, computer board of washing machine 5 detects whether receive the signal that Thermoelectric Infrared Sensor sends, if when computer board of washing machine 5 receives the signal of Thermoelectric Infrared Sensor transmission and arrives the first setting-up time T1 signal duration, computer board of washing machine 5 is carried out protection action at once: close water intake valve of washing machine, open For Drain Valve of Washing Machine, disconnect the power supply of washing machine motor, to avoid washing machine to continue operation, human injury's accident occurs; Meanwhile, computer board of washing machine 5 is reported to the police by buzzer, reminds in user's inner tank of washing machine 6 and human body signal detected, need process immediately.
After buzzer execution is reported to the police, whether the signal that computer board of washing machine 5 continues the transmission of detection Thermoelectric Infrared Sensor disappears, and does not still disappear if signal continues to the second setting-up time T2, and computer board of washing machine 5 is controlled washing machine pass tester in power-down state.If the blackout that Thermoelectric Infrared Sensor sends detected in the second setting-up time T2, and time disappearing while reaching the 3rd setting-up time T3, computer board of washing machine 5 is controlled washing machine and is continued to carry out user-selected program for washing; If when blackout but time of disappearing do not reach the 3rd setting-up time and once more occur signal; whether the water level that computer board of washing machine 5 detects in inner core by level sensor is empty bucket water level; be to control washing machine to close tester in power-down state, otherwise keep protection action until close again tester in power-down state after emptying.Level sensor belongs to the parts that arrange in existing washing machine, does not repeat them here.The first setting-up time T1 is identical with the time zero of the second setting-up time T2, and T2 is greater than T1.
In the present invention, Thermoelectric Infrared Sensor acquiescence after washing machine energising start is opened; Need to carry out in heating washing, laundry processes as user that the long period is washed the situations such as the dirty clothing of emphasis by rubbing with the hands time, user can pass through keyboard input module input control order, control pyroelectric infrared sensor is closed, and realizes the laundry processes under artificial approval disturbing factor.User is closing after Thermoelectric Infrared Sensor, can reopen Thermoelectric Infrared Sensor by keyboard input module input control order.
The control button of closing or reopen Thermoelectric Infrared Sensor can be the dedicated button of independent setting; Also can be set to the combination button control of the existing button of washing machine, to reduce costs.
Claims (10)
1. one kind has the washing machine of human body infrared identification protecting function; comprise the washing machine body that is provided with washer surface frame; it is characterized in that: described washer surface frame is provided with for detection of the rpyroelectric infrared sensing device that whether has human body in inner core near a side of inner core, the signal output part of rpyroelectric infrared sensing device connects the signal input part of computer board of washing machine.
2. the washing machine with human body infrared identification protecting function according to claim 1, is characterized in that: described rpyroelectric infrared sensing device comprises pyroelectric infrared sensor and is arranged on the Fresnel filter lens that pyroelectric infrared sensor radiation is shown up.
3. the washing machine with human body infrared identification protecting function according to claim 2, is characterized in that: described rpyroelectric infrared sensing device is fixed on the side of washer surface frame near inner core by fixture.
4. the washing machine with human body infrared identification protecting function according to claim 3; it is characterized in that: described fixture comprises connector and is arranged on the screw column on washer surface frame; one end and the screw column of connector are fixed, and the other end of connector is fixed with rpyroelectric infrared sensing device.
5. the washing machine with human body infrared identification protecting function according to claim 4, is characterized in that: described rpyroelectric infrared sensing device is fixed on connector by the plastic fixtures that is provided with snap fit.
6. the washing machine with human body infrared identification protecting function according to claim 5, is characterized in that: described connector adopts sheet metal component.
7. the washing machine with human body infrared identification protecting function according to claim 6, is characterized in that: described rpyroelectric infrared sensing device is arranged on the washer surface frame middle part near washer operation panel one side.
8. according to the washing machine with human body infrared identification protecting function described in any one in claim 1 to 7; it is characterized in that: the signal output part control connection pyroelectric infrared sensor power supply circuits of described computer board of washing machine, the signal output part of keyboard input module connects the signal input part of computer board of washing machine.
9. a washing machine human body identification protecting method, is characterized in that, comprises the following steps:
A: when user connects after washing machine power supply, pyroelectric infrared sensor starts to detect whether have human body in inner core immediately; When user selects and starts after program for washing, computer board of washing machine is the omnidistance signal that judges whether to receive Thermoelectric Infrared Sensor transmission in the time that program for washing starts to carry out and in program for washing implementation; If receive the signal that Thermoelectric Infrared Sensor sends, enter step B; If do not receive the signal that Thermoelectric Infrared Sensor sends, enter step e;
B: computer board of washing machine judges the Thermoelectric Infrared Sensor receiving signal duration, if arrive the first setting-up time, computer board of washing machine is carried out protection action at once: close water intake valve of washing machine, open For Drain Valve of Washing Machine, disconnect washing machine motor power supply, and report to the police by buzzer, then enter step C; If do not arrive the first setting-up time, enter step e;
C: computer board of washing machine judges whether the signal that Thermoelectric Infrared Sensor sends disappears, if the blackout that Thermoelectric Infrared Sensor sends enters step e; If computer board of washing machine continues to receive the signal that Thermoelectric Infrared Sensor sends, enter step D;
D: computer board of washing machine judges whether the duration of Thermoelectric Infrared Sensor transmitted signal be greater than the second setting-up time, if the duration is greater than the second setting-up time, computer board of washing machine control washing machine closes tester in power-down state; If the duration is not more than the second setting-up time, return to step C;
E: computer board of washing machine control washing machine is carried out user-selected program for washing, program for washing executes rear washing machine and closes tester in power-down state.
10. washing machine human body identification protecting method according to claim 9, it is characterized in that, in described step C, in the time that computer board of washing machine judges whether the signal of Thermoelectric Infrared Sensor transmission disappears, if the blackout that Thermoelectric Infrared Sensor sends, enters step C1; If computer board of washing machine continues to receive the signal that Thermoelectric Infrared Sensor sends, enter step D;
C1: computer board of washing machine judges that whether the extinction time of Thermoelectric Infrared Sensor signal transmitted is greater than the 3rd setting-up time, if be greater than the 3rd setting-up time, enters step e; If be not more than the 3rd setting-up time, enter step C2;
C2: computer board of washing machine utilizes level sensor to judge whether the water level in inner core is empty bucket water level, if empty bucket water level, computer board of washing machine control washing machine closes tester in power-down state; If not empty bucket water level, computer board of washing machine control washing machine maintenance water intake valve of washing machine is closed, For Drain Valve of Washing Machine is opened, washing machine motor power cut-off state, until the water in inner core is emptying, then washing machine closes tester in power-down state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410038827.1A CN103774380B (en) | 2014-01-27 | 2014-01-27 | There is washing machine and the human bioequivalence guard method of human body infrared identification protecting function |
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| CN201410038827.1A CN103774380B (en) | 2014-01-27 | 2014-01-27 | There is washing machine and the human bioequivalence guard method of human body infrared identification protecting function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105040378A (en) * | 2015-09-08 | 2015-11-11 | 湖北科阳节能设备有限公司 | Air energy dryer with infrared induction device |
| CN106125561A (en) * | 2016-08-04 | 2016-11-16 | 轩脉家居科技（上海）有限公司 | A kind of unmanned automatic closing system of human body sensing |
| CN106757997A (en) * | 2016-12-07 | 2017-05-31 | 珠海格力电器股份有限公司 | Washing machine safety detection method and washing machine |
| CN108796988A (en) * | 2018-05-30 | 2018-11-13 | 苏州树云网络科技有限公司 | A kind of foreign matter detection method |
| CN111334986A (en) * | 2018-12-19 | 2020-06-26 | 众智光电科技股份有限公司 | Clothes treating device |
| WO2023088312A1 (en) * | 2021-11-19 | 2023-05-25 | 青岛海尔洗衣机有限公司 | Laundry treatment device and metallic foreign object detection method |
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| WO2023088312A1 (en) * | 2021-11-19 | 2023-05-25 | 青岛海尔洗衣机有限公司 | Laundry treatment device and metallic foreign object detection method |
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