CN105222486A - Refrigerator detection method and checkout gear - Google Patents
Refrigerator detection method and checkout gear Download PDFInfo
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- CN105222486A CN105222486A CN201510730718.0A CN201510730718A CN105222486A CN 105222486 A CN105222486 A CN 105222486A CN 201510730718 A CN201510730718 A CN 201510730718A CN 105222486 A CN105222486 A CN 105222486A
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Abstract
Present invention is disclosed a kind of refrigerator detection method and checkout gear, method comprises step: the first spacing between detection between room and door body; Described door body state is judged according to described first spacing, when described first spacing is less than or equal to first threshold, judge that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, judge that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, judge that described door body is in open mode; Statistics bounce-back number of times, when judging that described door body switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times is accumulative adds one; Judge whether described gasket is in ageing state according to described bounce-back number of times.The present invention can avoid cannot the situation such as detecting gate body bounce-back, and user also can be made to grasp gasket aging performance in time.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of refrigerator detection method and checkout gear.
Background technology
At present, whether refrigerator closes reminding user by detecting compartment door body usually, plays the object of food and economize energy in protection refrigerator.Men Tiwei closes and mainly refers to two kinds of situations: also have a segment distance between room between (1) Men Tiyu; (2) because the gasket on door body is aging, cause the absorption affinity between gasket and a room frame to weaken, door body to have a rebound phenomenon after closing, and makes to occur gap between room frame and door body.Mainly contain two kinds of structures in prior art to carry out detecting gate body and whether close: mechanical button detection architecture, magnet-sensitive switch detection architecture.
Mechanical button detection architecture mainly designs a telescopic mechanical button on a room frame, when pressing this mechanical button in door body closing process and decision gate body close, but, on the one hand, when also having a bit of distance between room when between Men Tiyu, door body just can press this mechanical button, causes erroneous judgement; On the other hand, this structure also cannot detect the gap that gasket is aging and produce.
Magnet-sensitive switch detection architecture mainly arranges magnet-sensitive switch checkout gear on a room frame, in the door body gasket place of correspondence, magnetic element is set, when door body is closed, overlapping area is formed between magnet-sensitive switch checkout gear and magnetic switch, if overlapping area is greater than the first preset value, then decision gate body is closed, but, when when gasket generation is aging, bounce-back produces gap, because gap is less, overlapping area between magnet-sensitive switch checkout gear and magnetic switch is still greater than the first preset value, so, this structure also cannot detect the gap that gasket is aging and produce.
In addition, due to gasket is aging in appearance can't be too obvious, user is difficult to judge that whether gasket aging, thus causes Consumer's Experience poor effect.
Summary of the invention
The object of the present invention is to provide a kind of refrigerator detection method and checkout gear.
One of for achieving the above object, an embodiment of the present invention provides a kind of refrigerator detection method, and described method comprises step:
The first spacing between detection between room and door body;
Described door body state is judged according to described first spacing, when described first spacing is less than or equal to first threshold, judge that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, judge that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, judge that described door body is in open mode;
Statistics bounce-back number of times, when judging that described door body switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times is accumulative adds one;
Judge whether described gasket is in ageing state according to described bounce-back number of times.
As the further improvement of an embodiment of the present invention, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Statistics is closed the door number of times, when judging that described door body switches to described pass door state by described door opening state or described bounce-back state, described in number of times of closing the door add up to add one;
Calculate bounce-back probability, described bounce-back probability=bounce-back number of times/(bounce-back number of times+number of times of closing the door), when described bounce-back probability is more than or equal to the 3rd threshold value, judges that described gasket is in ageing state.
As the further improvement of an embodiment of the present invention, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Judge whether accumulative bounce-back number of times is greater than E time, if so, then judges that described gasket is in ageing state, if not, then judges that described gasket is in non-ageing state.
As the further improvement of an embodiment of the present invention, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Judge whether the read-around ratio of accumulative bounce-back number of times is greater than F time, if so, then judges that described gasket is in ageing state, if not, then judges that described gasket is in non-ageing state.
As the further improvement of an embodiment of the present invention, step also comprises after " judging whether described gasket is in ageing state according to described bounce-back number of times ":
If judge, described crack between a door and its frame bar is in ageing state, sends information; If judge, described crack between a door and its frame bar is in non-ageing state, continues statistics bounce-back number of times.
As the further improvement of an embodiment of the present invention, step " judges described door body state according to described first spacing; when described first spacing is less than or equal to first threshold; judge that described door body is in pass door state; when described first spacing is greater than first threshold and is less than Second Threshold; judge that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, judges that described door body is in open mode " specifically to comprise:
Judge described door body state according to described first spacing, when described first spacing is less than or equal to first threshold L time at least continuously, judge that described door body is in pass door state; When at least continuous N time is greater than first threshold and is less than Second Threshold described first spacing, judge that described door body is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold to described first spacing, judge that described door body is in open mode, L, M, N be more than or equal to 2 natural number.
As the further improvement of an embodiment of the present invention, step " judges described door body state according to described first spacing; when described first spacing is less than or equal to first threshold; judge that described door body is in pass door state; when described first spacing is greater than first threshold and is less than Second Threshold; judge that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, judges that described door body is in open mode " specifically to comprise:
Described door body state is judged according to described first spacing, when described first spacing be not less than continuous be less than or equal to first threshold L time time, judge that described door body is in pass door state, when described first spacing is less than or equal to first threshold lower than continuous L time, do not make a decision; When described first spacing be not less than continuous N time be greater than first threshold and be less than Second Threshold time, judge that described door body is in bounce-back state, when described first spacing is greater than first threshold lower than continuous N time and is less than Second Threshold, do not do to judge; When described first spacing be not less than N continuous time be more than or equal to Second Threshold time, judge that described door body is in open mode, when described first spacing is more than or equal to Second Threshold lower than N continuous time, do not make a decision, L, M, N be more than or equal to 2 natural number.
As the further improvement of an embodiment of the present invention, L, M, N's is not at least wherein two identical.
One of for achieving the above object, an embodiment of the present invention provides a kind of refrigerator detection device, the door body of room between described refrigerator comprises described at least one room and opening and closing, described room has frame, described door body has the gasket of corresponding described frame, described device also comprises distance-sensor and processor, distance-sensor be positioned at described between at least on one of them of room and described door body, described distance-sensor for respond to described door body and described between the first spacing between room; Processor is connected with described distance-sensor, and described processor comprises the counter for accumulative bounce-back number of times; Wherein, when described first spacing is less than or equal to first threshold, described processor judges that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, described processor judges that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, described processor judges that described door body is in open mode; When described processor judges that described door body switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times is accumulative adds one, according to described bounce-back number of times, described processor judges whether described gasket is in ageing state.
As the further improvement of an embodiment of the present invention, described counter is also for accumulative number of times of closing the door, described processor is also for calculating bounce-back probability, when described processor judges that described door body switches to described pass door state by described door opening state or described bounce-back state, described number of times of closing the door is accumulative adds one, described bounce-back probability=bounce-back number of times/(bounce-back number of times+number of times of closing the door), when described bounce-back probability is more than or equal to the 3rd threshold value, described processor judges that described gasket is in ageing state.
As the further improvement of an embodiment of the present invention, described processor is also for judging whether the bounce-back number of times added up is greater than E time, and if so, then described processor judges that described gasket is in ageing state, if not, then described processor judges that described gasket is in non-ageing state.
As the further improvement of an embodiment of the present invention, described processor is also for judging whether the read-around ratio of the bounce-back number of times added up is greater than F time, if, then described processor judges that described gasket is in ageing state, if not, then described processor judges that described gasket is in non-ageing state.
As the further improvement of an embodiment of the present invention, described device also comprises suggestion device, when described processor judges that described crack between a door and its frame bar is in ageing state, described processor controls described suggestion device work, when described processor judges that described crack between a door and its frame bar is in non-ageing state, described processor continues statistics bounce-back number of times.
As the further improvement of an embodiment of the present invention, described distance-sensor detects described first spacing every very first time interval, when described first spacing is less than or equal to first threshold L time at least continuously, described processor judges that described door body is in pass door state; When at least continuous N time is greater than first threshold and is less than Second Threshold described first spacing, described processor judges that described door body is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold to described first spacing, described processor judges that described door body is in open mode, L, M, N be more than or equal to 2 natural number.
As the further improvement of an embodiment of the present invention, described distance-sensor detects described first spacing every very first time interval, when described first spacing be not less than continuous be less than or equal to first threshold L time time, described processor judges that described door body is in pass door state, when described first spacing is less than or equal to first threshold lower than continuous L time, described processor does not make a decision; When described first spacing be not less than continuous N time be greater than first threshold and be less than Second Threshold time, described processor judges that described door body is in bounce-back state, when described first spacing is greater than first threshold lower than continuous N time and is less than Second Threshold, described processor does not make a decision; When described first spacing be not less than N continuous time be more than or equal to Second Threshold time, described processor judges that described door body is in open mode, when described first spacing time is more than or equal to Second Threshold lower than N continuous, described processor does not make a decision, L, M, N be more than or equal to 2 natural number.
As the further improvement of an embodiment of the present invention, L, M, N's is not at least wherein two identical.
Compared with prior art, beneficial effect of the present invention is: the present invention accurately can judge each state of a body by the first spacing between detecting gate body and a room, avoiding cannot the situation such as detecting gate body bounce-back, in addition, according to accumulative bounce-back number of times, the present invention can judge whether gasket is in ageing state, make user grasp the aging performance of gasket in time, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the refrigerator structure schematic diagram of an embodiment of the present invention;
Fig. 2 is the processor of an embodiment of the present invention and the structural representation of distance-sensor;
Fig. 3 a-3c is the refrigerator detection device schematic diagram of the different embodiment of the present invention;
Fig. 4 is the first spacing change procedure schematic diagram of the concrete example of the present invention one;
Fig. 5 is the refrigerator detection method block diagram of an embodiment of the present invention.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.But these embodiments do not limit the present invention, the structure that those of ordinary skill in the art makes according to these embodiments, method or conversion functionally are all included in protection scope of the present invention.
As shown in Figure 1, be the refrigerator structure schematic diagram of an embodiment of the present invention.The door body 20 of room 10 between described refrigerator 100 comprises described at least one room 10 and opening and closing, between described, room 10 such as can be refrigerating chamber, refrigerating chamber, temperature-changing chamber etc., and described refrigerator 100 can comprise multiple rooms 10.Here, it should be noted that, a room 10 and door body 20 are not defined as one-to-one relationship, the door body 20 such as, coordinated about a certain room 10 of refrigerator 100 is configured with two fans.
Described room 10 has frame 11, frame 11 is defined as the region around opening portion, room 10 between described, described door body 20 has the gasket 21 of corresponding described frame 11, by closely cooperating of gasket 21 and frame 11, can realize inner space, a room 10 with extraneous completely isolated.
Described refrigerator 100 also comprises distance-sensor 30, described distance-sensor 30 be positioned at described between at least on one of them of room 10 and described door body 20, described distance-sensor 30 for respond to described door body 20 and described between the first space D between room 10.
Composition graphs 2, refrigerator 100 also comprises processor 40, and processor 40 is connected with distance-sensor 30, and described processor 40 also comprises the counter 41 for accumulative bounce-back number of times A; Wherein, when described first space D is less than or equal to first threshold d1, described processor 40 judges that described door body 20 is in pass door state, when described first space D is greater than first threshold d1 and is less than Second Threshold d2, described processor 40 judges that described door body 20 is in bounce-back state, when described first space D is more than or equal to Second Threshold d2, described processor 40 judges that described door body 20 is in open mode; When described processor 40 judges that described door body 20 switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times A is accumulative adds one, according to described bounce-back number of times A, described processor 40 judges whether described gasket 21 is in ageing state.
In the present embodiment, distance-sensor 30 is utilized to detect the first space D between a room 10 and door body 20, and the current state of decision gate body 20 is carried out according to the first space D, due to the accurate sensitive performance of distance-sensor 30, erroneous judgement can be avoided, further, forget the door body 20 of room 10 between closedown as user or make the door body 20 of a room 10 in being left unlocked or unlatched or half-open position due to inappropriate closedown mode, or when causing a body 20 to rebound because gasket 21 is aging, between room 10 can be detected exactly by distance-sensor 30, user can be made to be warned and close 10, room body 20, thus it is fresh-keeping to make the article be placed in a room 10 obtain, also saved electric power to a certain extent simultaneously.In addition, present embodiment is accumulative bounce-back number of times A also, and judges that whether gasket 21 is aging according to bounce-back number of times A, user can be made to grasp gasket 21 aging performance in time, improve Consumer's Experience.Moreover, present embodiment is only when door body 20 switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times A is just accumulative adds one, so, can avoid repeatedly adding up bounce-back number of times A when door body 20 is in bounce-back state for a long time and making a mistake, make the basis for estimation of strip of paper used for sealing 21 aging performance more reliable.
In the present embodiment, described frame 11 comprises first side 11a, described first side 11a is defined as the frame region contacting described gasket 21 in described door body 20 closing process the latest, in the present embodiment, first side 11a is the region of frame 11 leftmost side in Fig. 1, and described distance-sensor 30 is positioned at 11a place, described first side, preferably, distance-sensor 30 is positioned at the top of first side 11a, and inductor 30 of avoiding adjusting the distance in user's shutter door body 20 process produces and blocks.Certainly, in other embodiments, distance-sensor 30 also can be arranged at other regions of frame 11, or is arranged at gasket 21 place, also or be arranged at other regions that a room 10 removes frame 11, only need ensure that distance-sensor 30 can accurately detect the first space D.The type of distance-sensor 30 is not limit, such as, can be infrared distance-sensor.
In the present embodiment, the two ends in the induction path of described distance-sensor 30 be respectively be positioned at described door body 20 and described between first contact surface at room 10 place and the second contact surface, described first contact surface, described second contact surface be defined as respectively the sensitive surface of described distance-sensor 30, the front surface of described gasket 21, the front surface of described frame 11 one of them, the spacing between described first contact surface and described second contact surface is the first space D.
As shown in Fig. 3 a to Fig. 3 c, it is the refrigerator detection device schematic diagram of the different embodiment of the present invention.
As shown in Figure 3 a, distance-sensor 30 is arranged in the 11a of first side, and the described sensitive surface 31 of described distance-sensor 30 is lower than the described front surface 111 of described first side 11a, now, described first threshold d1 is defined as the spacing between the front surface 111 of described sensitive surface 31 and described first side 11a, described first contact surface is the sensitive surface 31 of described distance-sensor 30, described second contact surface is the front surface 211 of gasket 21, and described first space D is the spacing between the front surface 211 of sensitive surface 31 and gasket 21.Below, for convenience of description, identical structure adopts identical numbering.
As shown in Figure 3 b, distance-sensor 30 is arranged in gasket 21, and the described sensitive surface 31 of described distance-sensor 30 is lower than the described front surface 211 of described gasket 21, now, described first threshold d1 is defined as the spacing between described sensitive surface 31 and the front surface 211 of described gasket 21, described first contact surface is the sensitive surface 31 of described distance-sensor 30, described second contact surface is the front surface 111 of first side 11a, and described first space D is the spacing between the front surface 111 of sensitive surface 31 and first side 11a.
As shown in Figure 3 c, refrigerator 100 comprises the first distance-sensor 30a and second distance inductor 30b, first distance-sensor 30a is positioned at first side 11a, second distance inductor 30b is positioned at gasket 21, now, described first threshold d1 is defined as d1=d1 '+d1 ' ', wherein, spacing between the front surface 111 that d1 ' is first side 11a described in the first sensitive surface 31a of the first distance-sensor 30a, spacing between the second sensitive surface 31b that d1 ' ' is second distance inductor 30b and the front surface 211 of described gasket 21, described first contact surface is the first sensitive surface 31a of described first distance-sensor 30a, described second contact surface is the second sensitive surface 31b of described second distance inductor 30b, described first space D is the spacing between the first sensitive surface 31a and the second sensitive surface 31b.
In the present embodiment, according to described bounce-back number of times A, processor 40 judges that the mode whether described gasket 21 is in ageing state can comprise multiple.Such as, described counter 41 is also for the accumulative number of times B that closes the door, described processor 40 is also for calculating bounce-back probability C, similar, when described processor 40 judges that described door body 20 switches to described pass door state by described door opening state or described bounce-back state, the described number of times B that closes the door is accumulative adds one, the described bounce-back probability C=number of times A/(number of times A+ that rebounds that rebounds closes the door number of times B), when described bounce-back probability C is more than or equal to the 3rd threshold value d3, described processor 40 judges that described gasket 21 is in ageing state.Certainly, the determination methods whether gasket 21 is in ageing state is not limited thereto, such as, just judge that gasket 21 is in ageing state when accumulative bounce-back number of times A is more than E time, or just judge that gasket 21 is in ageing state when adding up the read-around ratio for bounce-back number of times A more than F time, here, the read-around ratio added up as bounce-back number of times A is that finger processor 40 is judged as that cumulative number adds one continuously, is not wherein mingled with the situation of be judged as closing the door number of times or door opening times.
In the present embodiment, in order to improve the accuracy of a body 20 state-detection, described distance-sensor 30 detects described first space D every very first time interval t ', when described first space D is less than or equal to first threshold d1 L time at least continuously, described processor 40 judges that described door body 20 is in pass door state; When at least continuous N time is greater than first threshold d1 and is less than Second Threshold d2 described first space D, described processor 40 judges that described door body 20 is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold d2 to described first space D, described processor 40 judges that described door body 20 is in open mode, L, M, N be more than or equal to 2 natural number, optionally, L, M, N's is not at least wherein two identical, such as, can adjust L, M, N according to the different qualities and the actual service condition of user closing door state, bounce-back state and door opening state, make it each state of coincidence gate body 20 more, improve the accuracy and Consumer's Experience that detect.
Below, describe with a specific embodiment determination methods whether gasket 21 is in ageing state in detail.As shown in Figure 4, be the first space D change procedure schematic diagram of the concrete example of the present invention one.Suppose now very first time interval t ' to be set to 1s, L, M, N are set to 5,4,2 respectively.Within 0 ~ t1 time period, detect that the first space D is less than or equal to first threshold d1 for 5 times continuously if be not less than, namely when the duration of 0 ~ t1 time period is not less than 5s, now processor 40 judges that door body 20 is in pass door state, if be consecutively detected the number of times that the first space D is less than or equal to first threshold d1 to be less than 5 times, then processor 40 does not make a decision; Within t1 ~ t2 time period, detect that the first space D is greater than first threshold d1 and is less than Second Threshold d2 for 4 times continuously if be not less than, namely when the duration of t1 ~ t2 time period is not less than 4s, now processor 40 judges that door body 20 is in bounce-back state, if be consecutively detected the first space D to be greater than first threshold d1 and the number of times being less than Second Threshold d2 is less than 4 times, then processor 40 does not make a decision; Within t3 ~ t4 time period, detect that the first space D is not less than Second Threshold d2 for 2 times continuously if be not less than, namely when the duration of t3 ~ t4 time period is not less than 2s, now processor 40 judges that door body 20 is in open mode, if be consecutively detected the number of times that the first space D is not less than Second Threshold d2 to be less than 2 times, then processor 40 does not make a decision.
According to above-mentioned explanation, suppose that processor 40 judges that door body 20 is in and closes time period of door state and comprise 0 ~ t1, t2 ~ t3, t4 ~ t5, t7 ~ t8, the time period being in bounce-back state comprises t1 ~ t2, t8 ~ t9, the time period being in door opening state comprises t3 ~ t4, t5 ~ t6, t9 ~ t10, time period t 6 ~ t7 is owing to being consecutively detected the first space D and being greater than first threshold d1 and the number of times being less than Second Threshold d2 is less than 4 times, and processor 40 does not now make a decision.
Judge in the process of door body 20 state at processor 40, counter 41 also carries out the accumulative of number of times A and the number of times B that closes the door of rebounding simultaneously, according to aforementioned explanation, in the t1 moment, door body 20 switches to bounce-back state by pass door state, bounce-back number of times A is accumulative adds one, in the t2 moment, door body 20 switches to pass door state by bounce-back state, the number of times B that closes the door is accumulative adds one, by that analogy, the moment that the number of times A of being judged as rebounding adds up to add one comprises t1, t8, being judged as closing the moment that number of times B adds up to add one comprises t2, t4, t10, here, it should be noted that, because time period t 6 ~ t7 does not make a decision, now processor 40 assert that door body 20 switches to the pass door state of t7 ~ t8 time period by the door opening state of t5 ~ t6 time period, close number of times B to add up to add one.
In sum, can add up obtain bounce-back number of times A and close number of times B, processor 40 calculates the bounce-back probability C=number of times A/(number of times A+ that rebounds that rebounds at set intervals and to close the door number of times B), and judge whether gasket 21 is in ageing state according to the magnitude relationship of bounce-back probability C and the 3rd threshold value d3.Here, when processor 40 judges that gasket 21 is in ageing state, processor 40 can control alarm device (sign) in refrigerator 100 or display unit (sign) reminding user, user can carry out detection and the replacing of gasket 21 according to relevant prompting, after the gasket 21 that user more renews, bounce-back number of times A, the number of times B that closes the door can carry out clearing process.It should be noted that, refrigerator 100 also comprises suggestion device (sign), and when processor 40 detects that a body 20 is in bounce-back state, processor 40 also can control described suggestion device or display unit (sign) reminding user; In addition, when processor 40 detects that the duration that a body 20 is in door opening state exceedes certain hour, processor 40 also can control suggestion device or display unit reminding user, and above-mentioned different prompting situation can be set to different prompt tones or prompting mode.
The present invention also provides a kind of refrigerator detection method, and as shown in Figure 5, in conjunction with the explanation of above-mentioned refrigerator detection device, described method comprises step:
The first space D between detection between room 10 and door body 20;
Described door body 20 state is judged according to described first space D, when described first space D is less than or equal to first threshold d1, judge that described door body 20 is in pass door state, when described first spacing d2 is greater than first threshold d1 and is less than Second Threshold d2, judge that described door body 20 is in bounce-back state, when described first space D is more than or equal to Second Threshold d2, judge that described door body 20 is in open mode;
Statistics bounce-back number of times A, when judging that described door body 20 switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times A is accumulative adds one;
Judge whether described gasket 21 is in ageing state according to described bounce-back number of times A.
In the present embodiment, the current state of decision gate body 20 is carried out by the first space D between room 10 between detection and door body 20, due to the accurate sensitivity characteristics that distance detects, erroneous judgement can be avoided, further, forget the door body 20 of room 10 between closedown as user or make the door body 20 of a room 10 in being left unlocked or unlatched or half-open position due to inappropriate closedown mode, or when causing a body 20 to rebound because gasket 21 is aging, between room 10 can be detected exactly by the numerical value of the first space D, user can be made to be warned and close 10, room body 20, thus it is fresh-keeping to make the article be placed in a room 10 obtain, also saved electric power to a certain extent simultaneously.In addition, present embodiment is accumulative bounce-back number of times A also, and judges that whether gasket 21 is aging according to bounce-back number of times A, user can be made to grasp gasket 21 aging performance in time, improve Consumer's Experience.Moreover, present embodiment is only when door body 20 switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times A is just accumulative adds one, so, can avoid repeatedly adding up bounce-back number of times A when door body 20 is in bounce-back state for a long time and making a mistake, make the basis for estimation of gasket 21 aging performance more reliable.
In the present embodiment, according to described bounce-back number of times A, step " judges whether described gasket 21 is in ageing state " and specifically comprises:
Statistics is closed the door number of times B, when judging that described door body 20 switches to described pass door state by described door opening state or described bounce-back state, described in the number of times B that closes the door add up to add one;
Calculate bounce-back probability C, the described bounce-back probability C=number of times A/(number of times A+ that rebounds that rebounds closes the door number of times B), when described bounce-back probability C is more than or equal to the 3rd threshold value d3, judge that described gasket 21 is in ageing state.
Certainly, the determination methods whether gasket 21 is in ageing state is not limited thereto, such as, just judge that gasket 21 is in ageing state when accumulative bounce-back number of times A is more than E time, or just judge that gasket 21 is in ageing state when adding up the read-around ratio for bounce-back number of times A more than F time, here, the read-around ratio added up as bounce-back number of times A is that finger processor 40 is judged as that cumulative number adds one continuously, is not wherein mingled with the situation of be judged as closing the door number of times or door opening times.
In the present embodiment, in order to improve the accuracy of a body 20 state-detection, detect described first space D every very first time interval t ', when described first space D is less than or equal to first threshold d1 L time at least continuously, judge that described door body 20 is in pass door state; When at least continuous N time is greater than first threshold d1 and is less than Second Threshold d2 described first space D, judge that described door body 20 is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold d2 to described first space D, judge that described door body 20 is in open mode.Here, similar, when read-around ratio lower than corresponding L, M, N time time, do not make a decision, concrete with reference to the explanation of above-mentioned detection device, can not repeat them here.
L, M, N be more than or equal to 2 natural number, optionally, L, M, N's is not at least wherein two identical, so, can according to the actual service condition adjustment of different qualities and user L, M, the N closing door state, bounce-back state and door opening state, make it each state of coincidence gate body 20 more, improve the accuracy detected.
It should be noted that, other explanations of refrigerator detection method of the present invention with reference to the explanation of above-mentioned refrigerator detection device, can not repeat them here.
Be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (16)
1. a refrigerator detection method, is characterized in that described method comprises step:
The first spacing between detection between room and door body;
Described door body state is judged according to described first spacing, when described first spacing is less than or equal to first threshold, judge that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, judge that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, judge that described door body is in open mode;
Statistics bounce-back number of times, when judging that described door body switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times is accumulative adds one;
Judge whether described gasket is in ageing state according to described bounce-back number of times.
2. refrigerator detection method according to claim 1, is characterized in that, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Statistics is closed the door number of times, when judging that described door body switches to described pass door state by described door opening state or described bounce-back state, described in number of times of closing the door add up to add one;
Calculate bounce-back probability, described bounce-back probability=bounce-back number of times/(bounce-back number of times+number of times of closing the door), when described bounce-back probability is more than or equal to the 3rd threshold value, judges that described gasket is in ageing state.
3. refrigerator detection method according to claim 1, is characterized in that, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Judge whether accumulative bounce-back number of times is greater than E time, if so, then judges that described gasket is in ageing state, if not, then judges that described gasket is in non-ageing state.
4. refrigerator detection method according to claim 1, is characterized in that, according to described bounce-back number of times, step " judges whether described gasket is in ageing state " and specifically comprises:
Judge whether the read-around ratio of accumulative bounce-back number of times is greater than F time, if so, then judges that described gasket is in ageing state, if not, then judges that described gasket is in non-ageing state.
5. refrigerator detection method according to claim 1, is characterized in that, step also comprises after " judging whether described gasket is in ageing state according to described bounce-back number of times ":
If judge, described crack between a door and its frame bar is in ageing state, sends information; If judge, described crack between a door and its frame bar is in non-ageing state, continues statistics bounce-back number of times.
6. refrigerator detection method according to claim 1, it is characterized in that, step " judges described door body state according to described first spacing; when described first spacing is less than or equal to first threshold; judge that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, judges that described door body is in bounce-back state; when described first spacing is more than or equal to Second Threshold, judge that described door body is in open mode " specifically to comprise:
Judge described door body state according to described first spacing, when described first spacing is less than or equal to first threshold L time at least continuously, judge that described door body is in pass door state; When at least continuous N time is greater than first threshold and is less than Second Threshold described first spacing, judge that described door body is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold to described first spacing, judge that described door body is in open mode, L, M, N be more than or equal to 2 natural number.
7. refrigerator detection method according to claim 1, it is characterized in that, step " judges described door body state according to described first spacing; when described first spacing is less than or equal to first threshold; judge that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, judges that described door body is in bounce-back state; when described first spacing is more than or equal to Second Threshold, judge that described door body is in open mode " specifically to comprise:
Described door body state is judged according to described first spacing, when described first spacing be not less than continuous be less than or equal to first threshold L time time, judge that described door body is in pass door state, when described first spacing is less than or equal to first threshold lower than continuous L time, do not make a decision; When described first spacing be not less than continuous N time be greater than first threshold and be less than Second Threshold time, judge that described door body is in bounce-back state, when described first spacing is greater than first threshold lower than continuous N time and is less than Second Threshold, do not do to judge; When described first spacing be not less than N continuous time be more than or equal to Second Threshold time, judge that described door body is in open mode, when described first spacing is more than or equal to Second Threshold lower than N continuous time, do not make a decision, L, M, N be more than or equal to 2 natural number.
8. the refrigerator detection method according to claim 6 or 7, is characterized in that, L, M, N's is not at least wherein two identical.
9. a refrigerator detection device, the door body of room between described refrigerator comprises described at least one room and opening and closing, between described, room has frame, and described door body has the gasket of corresponding described frame, it is characterized in that described device also comprises:
Distance-sensor, be positioned at described between at least on one of them of room and described door body, described distance-sensor for respond to described door body and described between the first spacing between room; And
Processor, is connected with described distance-sensor, and described processor comprises the counter for accumulative bounce-back number of times;
Wherein, when described first spacing is less than or equal to first threshold, described processor judges that described door body is in pass door state, when described first spacing is greater than first threshold and is less than Second Threshold, described processor judges that described door body is in bounce-back state, when described first spacing is more than or equal to Second Threshold, described processor judges that described door body is in open mode; When described processor judges that described door body switches to described bounce-back state by described door opening state or described pass door state, described bounce-back number of times is accumulative adds one, according to described bounce-back number of times, described processor judges whether described gasket is in ageing state.
10. refrigerator detection device according to claim 9, it is characterized in that, described counter is also for accumulative number of times of closing the door, described processor is also for calculating bounce-back probability, when described processor judges that described door body switches to described pass door state by described door opening state or described bounce-back state, described number of times of closing the door is accumulative adds one, described bounce-back probability=bounce-back number of times/(bounce-back number of times+number of times of closing the door), when described bounce-back probability is more than or equal to the 3rd threshold value, described processor judges that described gasket is in ageing state.
11. refrigerator detection devices according to claim 9, it is characterized in that, described processor is also for judging whether the bounce-back number of times added up is greater than E time, if, then described processor judges that described gasket is in ageing state, if not, then described processor judges that described gasket is in non-ageing state.
12. refrigerator detection devices according to claim 9, it is characterized in that, described processor is also for judging whether the read-around ratio of the bounce-back number of times added up is greater than F time, if, then described processor judges that described gasket is in ageing state, if not, then described processor judges that described gasket is in non-ageing state.
13. refrigerator detection devices according to claim 9, it is characterized in that, described device also comprises suggestion device, when described processor judges that described crack between a door and its frame bar is in ageing state, described processor controls described suggestion device work, when described processor judges that described crack between a door and its frame bar is in non-ageing state, described processor continues statistics bounce-back number of times.
14. refrigerator detection devices according to claim 9, it is characterized in that, described distance-sensor detects described first spacing every very first time interval, and when described first spacing is less than or equal to first threshold L time at least continuously, described processor judges that described door body is in pass door state; When at least continuous N time is greater than first threshold and is less than Second Threshold described first spacing, described processor judges that described door body is in bounce-back state; When at least N continuous time is more than or equal to Second Threshold to described first spacing, described processor judges that described door body is in open mode, L, M, N be more than or equal to 2 natural number.
15. refrigerator detection devices according to claim 9, it is characterized in that, described distance-sensor detects described first spacing every very first time interval, when described first spacing be not less than continuous be less than or equal to first threshold L time time, described processor judges that described door body is in pass door state, when described first spacing is less than or equal to first threshold lower than continuous L time, described processor does not make a decision; When described first spacing be not less than continuous N time be greater than first threshold and be less than Second Threshold time, described processor judges that described door body is in bounce-back state, when described first spacing is greater than first threshold lower than continuous N time and is less than Second Threshold, described processor does not make a decision; When described first spacing be not less than N continuous time be more than or equal to Second Threshold time, described processor judges that described door body is in open mode, when described first spacing time is more than or equal to Second Threshold lower than N continuous, described processor does not make a decision, L, M, N be more than or equal to 2 natural number.
16. refrigerator detection devices according to claims 14 or 15, is characterized in that, L, M, N's is not at least wherein two identical.
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| CN111238140A (en) * | 2020-01-16 | 2020-06-05 | 长虹美菱股份有限公司 | Control method for automatically opening and closing door of household refrigerator |
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