CN104665736A - Dish washing machine and machine door opening protection method and device thereof - Google Patents
Dish washing machine and machine door opening protection method and device thereof Download PDFInfo
- Publication number
- CN104665736A CN104665736A CN201510092997.2A CN201510092997A CN104665736A CN 104665736 A CN104665736 A CN 104665736A CN 201510092997 A CN201510092997 A CN 201510092997A CN 104665736 A CN104665736 A CN 104665736A
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- washing machine
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Abstract
The invention belongs to the technical field of dish washing machine control, and provides a dish washing machine and a machine door opening protection method and device thereof. During washing operation of the dish washing machine, the presence of a human body within a preset distance in front of a machine door handle of the dish washing machine is detected circularly according to a preset detection period, a dish washing pump in the dish washing machine is controlled to stop working when the human body exists within the preset distance in front of the machine door handle, and a spray arm in the dish washing machine stops rotating to prevent hot water from being sprayed out, so that the risk of scalding of a user since hot water is sprayed out under the inertial rotation action of the spray arm when the user opens a machine door can be lowered, the use safety of the dish washing machine is enhanced, and the problem that hot water is sprayed out under the inertial rotation action of the spray arm when the user opens the machine door in the midway in the conventional dish washing machine is solved.
Description
Technical field
The invention belongs to dish-washing machine control technology field, particularly relate to a kind of dish-washing machine and gate thereof and open guard method and device.
Background technology
At present, dish-washing machine is widely used in as a kind of warewashing equipment the place that dining room, restaurant, family etc. need to use each dishware, to carry out batch washer to tableware, improves dishwashing detergent efficiency.After user carries out washing procedure setting to dish-washing machine and confirms to run, dish-washing machine can automatically perform into steps such as water, washing heating and drainings successively according to the washing procedure pre-set, thus reaches the object of tableware being carried out to complete washing function.When dish-washing machine runs to washing heating steps, water through heating is pumped to spray arm by the washing pump of dish washer interior, and spray hot water to tableware to carry out washing operation by spray arm, now the water temperature of dish washer interior can reach about 70 degree, as opened gate by force in the process, then not quit work because of washing pump and spray arm sprays hot water when free-wheel and scalds user, therefore, existing dish-washing machine there will be and outwards sprays hot water problem when gate is opened in user midway because of spray arm free-wheel, and then causes user to be burned.
Summary of the invention
The object of the present invention is to provide a kind of gate of dish-washing machine to open guard method, be intended to solve that existing dish-washing machine occurs when gate is opened in user midway outwards sprays hot water problem because of spray arm free-wheel.
The present invention is such realization, and a kind of gate of dish-washing machine opens guard method, and it comprises the following steps:
Perform at dish-washing machine in the process of washing operation, in the predeterminable range according to the gate handle front of dish-washing machine described in default sense cycle cycle detection, whether there is human body;
When there is human body in the predeterminable range in described gate handle front, the washing pump controlled in dish-washing machine quits work.
Present invention also offers a kind of gate opening protecting apparatus of dish-washing machine, it comprises:
Whether detection module, for performing in the process of washing operation at dish-washing machine, exist human body in the predeterminable range according to the gate handle front of dish-washing machine described in default sense cycle cycle detection;
Washing pump control module, for when the judged result of described detection module is for being, the washing pump controlled in dish-washing machine quits work.
Present invention also offers a kind of dish-washing machine comprising above-mentioned gate opening protecting apparatus.
Whether the present invention is by existing human body in the predeterminable range when dish-washing machine performs washing operation according to the gate handle front of dish-washing machine described in default sense cycle cycle detection, and when there is human body in the predeterminable range in gate handle front, the washing pump controlled in dish-washing machine quits work, and then make the spray arm in dish-washing machine stop operating to avoid hot water to spray, thus the risk be burned because of spray arm free-wheel ejection hot water can be exempted when user opens gate, improve the safety in utilization of dish-washing machine, solve existing dish-washing machine user midway open gate time occur outwards spray hot water problem because of spray arm free-wheel.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the gate unlatching guard method of the dish-washing machine that the embodiment of the present invention provides;
Fig. 2 is another realization flow figure of the gate unlatching guard method of the dish-washing machine that the embodiment of the present invention provides;
Fig. 3 is the function structure chart of the gate opening protecting apparatus of the dish-washing machine that the embodiment of the present invention provides;
Fig. 4 is another function structure chart of the gate opening protecting apparatus of the dish-washing machine that the embodiment of the present invention provides;
Fig. 5 is the example of practical application figure involved by gate opening protecting apparatus shown in Fig. 4.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the realization flow of the gate unlatching guard method of the dish-washing machine that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
In step sl, perform at dish-washing machine in the process of washing operation, in the predeterminable range according to the gate handle front of default sense cycle cycle detection dish-washing machine, whether there is human body.
Wherein, specifically comprise the following steps according to the step that whether there is human body in the predeterminable range in the gate handle front of default sense cycle cycle detection dish-washing machine in step S1:
S11. in the first subcycle of default sense cycle, judge that whether the button on the control panel of dish-washing machine is pressed, and is, then enter next default sense cycle, no, then perform step S12;
S12. whether there is human body in the predeterminable range detecting the gate handle front of dish-washing machine in the second subcycle of default sense cycle, be, human body is there is in the predeterminable range in then deteminate machine door handle front, no, there is not human body in the predeterminable range in then deteminate machine door handle front, and enter next default sense cycle.
Wherein, the time span presetting sense cycle is specifically as follows 140 milliseconds, default sense cycle comprises the first above-mentioned subcycle and the second subcycle, and the time span of the first subcycle is specifically as follows 20 milliseconds, and the time span of the second subcycle is specifically as follows 120 milliseconds; Above-mentioned predeterminable range can be specifically 30 millimeters.In addition, for detect in above-mentioned steps S12 dish-washing machine gate handle front predeterminable range in whether there is the step of human body, it can be specifically carry out human detection by conventional thermal infrared sensor technology in the predeterminable range in gate handle front, due to human body be outwards can launch because of heating ultrared, so thermal infrared sensor technology can be utilized to carry out human detection whether there is human body in the predeterminable range judging gate handle front.
In step s 2, when there is human body in the predeterminable range in gate handle front, the washing pump controlled in dish-washing machine quits work.
In embodiments of the present invention, as shown in Figure 2, after execution step S1, it is further comprising the steps of that gate opens guard method:
When S3. there is human body in the predeterminable range in gate handle front, the control panel controlling dish-washing machine sends the prompting of corresponding signal lamp.
Pointed out by the signal lamp of step S3, user can be made to know, and the washing pump of dish-washing machine quits work, can open the gate of dish-washing machine at any time and not worry that dish-washing machine there will be the problem of hot water ejection.
Fig. 3 shows the modular structure of the gate opening protecting apparatus of the dish-washing machine that the embodiment of the present invention provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
The gate opening protecting apparatus of dish-washing machine comprises:
Whether detection module 100, for performing in the process of washing operation at dish-washing machine, exist human body in the predeterminable range according to the gate handle front of default sense cycle cycle detection dish-washing machine;
Washing pump control module 200, for when the judged result of detection module is for being, the washing pump controlled in dish-washing machine quits work.
In addition, as shown in Figure 4, gate opening protecting apparatus also comprises prompting control module 300, and it is for when the judged result of detection module is for being, the control panel controlling dish-washing machine sends the prompting of corresponding signal lamp.Send signal lamp prompting by the control panel of dish-washing machine, user can be made to know, and the washing pump of dish-washing machine quits work, can open the gate of dish-washing machine at any time and not worry that dish-washing machine there will be the problem of hot water ejection.
Concrete, as shown in Figure 3 and Figure 4, detection module 100 comprises:
Actuation of keys detecting unit 101, judges in the first subcycle in default sense cycle whether the button on the control panel of dish-washing machine is pressed, and enters next default sense cycle when judged result is for being;
Human detection unit 102, for when the judged result of actuation of keys detecting unit 101 is no, whether human body is there is in the predeterminable range detecting the gate handle front of dish-washing machine in the second subcycle of default sense cycle, if, human body is there is in the predeterminable range in then deteminate machine door handle front, if not, then there is not human body in the predeterminable range in deteminate machine door handle front, and enter next default sense cycle.
Wherein, the time span presetting sense cycle is specifically as follows 140 milliseconds, default sense cycle comprises the first above-mentioned subcycle and the second subcycle, and the time span of the first subcycle is specifically as follows 20 milliseconds, and the time span of the second subcycle is specifically as follows 120 milliseconds; Above-mentioned predeterminable range can be specifically 30 millimeters.In addition, the process of human body whether is there is in the predeterminable range above-mentioned human detection unit 102 being detected to the gate handle front of dish-washing machine, it can be specifically carry out human detection by conventional thermal infrared sensor technology in the predeterminable range in gate handle front, due to human body be outwards can launch because of heating ultrared, so infrared electronic technology can be utilized to carry out human detection whether there is human body in the predeterminable range judging gate handle front.It can thus be appreciated that human detection unit 102 specifically can comprise the testing circuit of conventional thermal infrared sensor.
In actual applications, actuation of keys detecting unit 101 shown in Fig. 3 and washing pump control module 200, or the actuation of keys detecting unit 101 shown in Fig. 4, washing pump control module 200 and the equal accessible site of prompting control module 300 are in a single-chip microcomputer 1, as shown in Figure 5, the model of this single-chip microcomputer 1 can be CY8C4125PVI or CY8C4124PVI, human detection unit 102 can be then the testing circuit 2 comprising thermal infrared sensor 21 and resistance R1, it is arranged at after the gate handle of dish-washing machine, thermal infrared sensor 21 is connected with one of them pin (as I/O10) of single-chip microcomputer 1 by resistance R1, another pin (as I/O24) of single-chip microcomputer 1 connects the negative electrode of the light emitting diode D1 on the control panel of dish-washing machine by resistance R2, the anode of light emitting diode D1 connects dc source VCC.
Based on the application advantage of above-mentioned gate opening protecting apparatus in dish-washing machine, the embodiment of the present invention additionally provides a kind of dish-washing machine comprising above-mentioned gate opening protecting apparatus.
Whether the embodiment of the present invention is by existing human body in the predeterminable range when dish-washing machine performs washing operation according to the gate handle front of dish-washing machine described in default sense cycle cycle detection, and when there is human body in the predeterminable range in gate handle front, the washing pump controlled in dish-washing machine quits work, and then make the spray arm in dish-washing machine stop operating to avoid hot water to spray, thus the risk be burned because of spray arm free-wheel ejection hot water can be exempted when user opens gate, improve the safety in utilization of dish-washing machine, solve existing dish-washing machine user midway open gate time occur outwards spray hot water problem because of spray arm free-wheel.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the gate of dish-washing machine opens a guard method, it is characterized in that, described gate is opened guard method and comprised the following steps:
Perform at dish-washing machine in the process of washing operation, in the predeterminable range according to the gate handle front of dish-washing machine described in default sense cycle cycle detection, whether there is human body;
When there is human body in the predeterminable range in described gate handle front, the washing pump controlled in described dish-washing machine quits work.
2. gate as claimed in claim 1 opens guard method; it is characterized in that; whether there is the step of human body in the predeterminable range according to the gate handle front of dish-washing machine described in default sense cycle cycle detection described in performing after, it is further comprising the steps of that described gate opens guard method:
When there is human body in the predeterminable range in described gate handle front, the control panel controlling described dish-washing machine sends the prompting of corresponding signal lamp.
3. gate as claimed in claim 1 or 2 opens guard method, and it is characterized in that, the step that whether there is human body in the predeterminable range in the described gate handle front according to dish-washing machine described in default sense cycle cycle detection comprises the following steps:
A1. in the first subcycle of described default sense cycle, judge that whether the button on the control panel of described dish-washing machine is pressed, and is, then enter next default sense cycle, no, then perform step a2;
A2. whether there is human body in the predeterminable range detecting the gate handle front of described dish-washing machine in the second subcycle of described default sense cycle, be, human body is there is in the predeterminable range then judging described gate handle front, no, there is not human body in the predeterminable range then judging described gate handle front, and enter next default sense cycle.
4. gate as claimed in claim 3 opens guard method, and it is characterized in that, the time span of described default sense cycle is 140 milliseconds, and the time span of described first subcycle is 20 milliseconds, and the time span of described second subcycle is 120 milliseconds; Described predeterminable range is 30 millimeters.
5. a gate opening protecting apparatus for dish-washing machine, is characterized in that, described gate opening protecting apparatus comprises:
Whether detection module, for performing in the process of washing operation at dish-washing machine, exist human body in the predeterminable range according to the gate handle front of dish-washing machine described in default sense cycle cycle detection;
Washing pump control module, for when the judged result of described detection module is for being, the washing pump controlled in described dish-washing machine quits work.
6. gate opening protecting apparatus as claimed in claim 5; it is characterized in that; described gate opening protecting apparatus also comprises prompting control module, and it is for when the judged result of described detection module is for being, the control panel controlling described dish-washing machine sends the prompting of corresponding signal lamp.
7. gate opening protecting apparatus as claimed in claim 5, it is characterized in that, described detection module comprises:
Actuation of keys detecting unit, judges in the first subcycle in described default sense cycle whether the button on the control panel of described dish-washing machine is pressed, and enters next default sense cycle when judged result is for being;
Human detection unit, for when the judged result of described actuation of keys detecting unit is no, whether human body is there is in the predeterminable range detecting the gate handle front of described dish-washing machine in the second subcycle of described default sense cycle, if, human body is there is in the predeterminable range then judging described gate handle front, if not, then there is not human body in the predeterminable range judging described gate handle front, and enter next default sense cycle.
8. gate opening protecting apparatus as claimed in claim 5, it is characterized in that, the time span of described default sense cycle is 140 milliseconds, and the time span of described first subcycle is 20 milliseconds, and the time span of described second subcycle is 120 milliseconds; Described predeterminable range is 30 millimeters.
9. a dish-washing machine, is characterized in that, described dish-washing machine comprises the gate opening protecting apparatus as described in any one of claim 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092997.2A CN104665736A (en) | 2015-03-02 | 2015-03-02 | Dish washing machine and machine door opening protection method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092997.2A CN104665736A (en) | 2015-03-02 | 2015-03-02 | Dish washing machine and machine door opening protection method and device thereof |
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| CN104665736A true CN104665736A (en) | 2015-06-03 |
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| CN201510092997.2A Pending CN104665736A (en) | 2015-03-02 | 2015-03-02 | Dish washing machine and machine door opening protection method and device thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478161A (en) * | 2018-06-20 | 2018-09-04 | 佛山市顺德区美的洗涤电器制造有限公司 | The bowl basket control device and dish-washing machine of dish-washing machine |
| CN108742460A (en) * | 2018-06-20 | 2018-11-06 | 佛山市顺德区美的洗涤电器制造有限公司 | The bowl basket control device and dish-washing machine of dish-washing machine |
| CN108937786A (en) * | 2018-07-17 | 2018-12-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Control method of washing, dish-washing machine and computer readable storage medium |
| CN108968859A (en) * | 2018-07-17 | 2018-12-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Light control method, dish-washing machine and computer readable storage medium |
| CN109032736A (en) * | 2018-07-17 | 2018-12-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Method for displaying user interface, dish-washing machine and computer readable storage medium |
| CN109316153A (en) * | 2018-09-21 | 2019-02-12 | 珠海格力电器股份有限公司 | The control method and device of dish-washing machine |
| CN109744980A (en) * | 2019-01-30 | 2019-05-14 | 佛山市云米电器科技有限公司 | A kind of the enabling method for early warning and system of dish-washing machine |
| CN110870735A (en) * | 2018-09-04 | 2020-03-10 | 宁波方太厨具有限公司 | Water splashing prevention method of dish washing machine |
| WO2020216066A1 (en) * | 2019-04-24 | 2020-10-29 | 青岛海尔洗衣机有限公司 | Distance detection-based control method for clothes treatment device and clothes treatment device |
| CN112256073A (en) * | 2020-10-28 | 2021-01-22 | 广州市优仪科技股份有限公司 | Temperature and humidity test chamber safety control method and device, electronic equipment and storage medium |
| CN113658356A (en) * | 2021-08-10 | 2021-11-16 | 北京首钢自动化信息技术有限公司 | Access control management method |
| WO2022174505A1 (en) * | 2021-02-22 | 2022-08-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Dishwasher door and dishwasher |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108478161A (en) * | 2018-06-20 | 2018-09-04 | 佛山市顺德区美的洗涤电器制造有限公司 | The bowl basket control device and dish-washing machine of dish-washing machine |
| CN108742460A (en) * | 2018-06-20 | 2018-11-06 | 佛山市顺德区美的洗涤电器制造有限公司 | The bowl basket control device and dish-washing machine of dish-washing machine |
| CN108478161B (en) * | 2018-06-20 | 2023-08-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Bowl basket control device of dish washing machine and dish washing machine |
| CN108742460B (en) * | 2018-06-20 | 2023-07-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Bowl basket control device of dish washing machine and dish washing machine |
| CN109032736B (en) * | 2018-07-17 | 2022-03-11 | 佛山市顺德区美的洗涤电器制造有限公司 | User interface display method, dishwasher, and computer-readable storage medium |
| CN109032736A (en) * | 2018-07-17 | 2018-12-18 | 佛山市顺德区美的洗涤电器制造有限公司 | Method for displaying user interface, dish-washing machine and computer readable storage medium |
| CN108968859A (en) * | 2018-07-17 | 2018-12-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Light control method, dish-washing machine and computer readable storage medium |
| CN108937786A (en) * | 2018-07-17 | 2018-12-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Control method of washing, dish-washing machine and computer readable storage medium |
| CN110870735A (en) * | 2018-09-04 | 2020-03-10 | 宁波方太厨具有限公司 | Water splashing prevention method of dish washing machine |
| CN109316153A (en) * | 2018-09-21 | 2019-02-12 | 珠海格力电器股份有限公司 | The control method and device of dish-washing machine |
| CN109316153B (en) * | 2018-09-21 | 2020-10-23 | 珠海格力电器股份有限公司 | Control method and device of dish washing machine |
| CN109744980A (en) * | 2019-01-30 | 2019-05-14 | 佛山市云米电器科技有限公司 | A kind of the enabling method for early warning and system of dish-washing machine |
| WO2020216066A1 (en) * | 2019-04-24 | 2020-10-29 | 青岛海尔洗衣机有限公司 | Distance detection-based control method for clothes treatment device and clothes treatment device |
| CN112256073A (en) * | 2020-10-28 | 2021-01-22 | 广州市优仪科技股份有限公司 | Temperature and humidity test chamber safety control method and device, electronic equipment and storage medium |
| WO2022174505A1 (en) * | 2021-02-22 | 2022-08-25 | 佛山市顺德区美的洗涤电器制造有限公司 | Dishwasher door and dishwasher |
| CN113658356A (en) * | 2021-08-10 | 2021-11-16 | 北京首钢自动化信息技术有限公司 | Access control management method |
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