CN104764289B - Refrigerator body posterior medial accumulated ice detection alarm system - Google Patents
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Abstract
The present invention relates to a kind of refrigerator body posterior medial accumulated ice detection alarm system, described detection alarm system comprises laser range finder, infrared transmitter, infrared remote receiver and single-chip microcomputer, described laser range finder is positioned at inside refrigerator door bottom, for detecting the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom, described infrared transmitter and described infrared remote receiver lay respectively at the precalculated position of refrigerator body left part inner lower edge and right part inner lower edge, for detecting the accumulated ice thickness of bottom, refrigerator body rear portion, described single-chip microcomputer carries out detection alarm according to described detecting distance and described accumulated ice thickness to refrigerator posterior medial accumulated ice.By the present invention, refrigerator inside can be understood rapidly, exactly because the accumulated ice situation of ponding too much or caused by the blocking of limbers, and carry out ice of reporting to the police and disappear in time blocked up the impact when refrigerator normally works of accumulated ice, thus user-friendly.
Description
The divisional application of the patent of " refrigerator body posterior medial accumulated ice detection alarm system " that the present invention is application number is 201410393431.9, the applying date, to be August 11, denomination of invention in 2014 be.
Technical field
The present invention relates to refrigerator detection field, particularly relate to a kind of refrigerator body posterior medial accumulated ice detection alarm system.
Background technology
Refrigerator is a kind of refrigeration plant keeping constant low temperature, is also a kind of product for civilian use making food or other article keep constant low temperature cold conditions.Compressor, ice machine is had, in order to the cabinet that freezes or case, and with the parcel tray of refrigerating plant in casing.The volume of household electric refrigerator is generally 20 ~ 500 liters.The domestic refrigerator of First compression-type refrigeration in the world in 1910 comes out in the U.S..Lido company of nineteen twenty-five Sweden develops family expenses absorption refrigerator.Nineteen twenty-seven, GE developed totally enclosed type refrigerator.Nineteen thirty adopts the continuous diffusion absorption refrigerator of Air flow of different heating mode to put on market.Within 1931, succeed in developing novel refrigerant Freon 12.Start the latter half fifties to produce Household hot refrigerator.China produces refrigerator from the fifties.Refrigerator has become the indispensable indispensable household electrical appliance of people.
In the use procedure of refrigerator, a kind of phenomenon occurs more continually: people often open closing refrigerator door, the too much air of outside moisture enters refrigerator inside, or placed the fruit and vegetable that more moisture component is high in refrigerator, humidity condensed is all caused to be frozen, because condenser pipe is located at refrigerator body rear portion, ice forming locations is also in refrigerator body posterior medial, accumulate over a long period, accumulated ice advances to the direction of refrigerator doors, parcel tray is extruded forward, refrigerator doors cannot be closed, freezer compressor and condenser pipe are not stopped work work, while increasing energy consumption, reduce the service life of refrigerator.
In prior art, solution for refrigerator body posterior medial accumulated ice has two kinds, one is regular deicing, another kind has limbers at refrigerator body rear portion, make moisture when being cooled to aqueous water, just can flow to drip tray on the downside of refrigerator, these two kinds of solutions alleviate the problem of refrigerator body posterior medial accumulated ice all to a certain extent, but also all there is certain drawback, the former needs regularly to engage professional to visit maintenance, plant maintenance spending is higher, the latter can only be alleviated and can not thoroughly solve accumulated ice problem, in addition, limbers is often because foreign matter blocks, at this moment the effect of limbers is just difficult to play.
Therefore, need a kind of new refrigerator body posterior medial accumulated ice solution, the detection alarm of Different Strategies can be carried out in the different phase of accumulated ice development, and realize intelligentized automatic de-icing, thus reduce the artificial intervention of user, time saving and energy saving.
Summary of the invention
In order to solve the problem, the invention provides a kind of refrigerator body posterior medial accumulated ice detection alarm system, introducing laser range finder and infrared transceiver detect refrigerator body posterior medial accumulated ice, introduce camera and carry out refrigerator inside scene capture when accumulated ice is serious, and introduce heating plate to carry out real-time deicing according to testing result, thus when refrigerator inside limbers blocks, also automatic de-icing can be reached without the need to manpower intervention, accumulated ice situation can be shown to user at any time simultaneously, improve the intelligence degree of refrigerator apparatus.
According to an aspect of the present invention, provide a kind of refrigerator body posterior medial accumulated ice detection alarm system, described detection alarm system comprises laser range finder, infrared transmitter, infrared remote receiver and single-chip microcomputer, described laser range finder is positioned at inside refrigerator door bottom, for detecting the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom, described infrared transmitter and described infrared remote receiver lay respectively at the precalculated position of refrigerator body left part inner lower edge and right part inner lower edge, for detecting the accumulated ice thickness of bottom, refrigerator body rear portion, described single-chip microcomputer carries out detection alarm according to described detecting distance and described accumulated ice thickness to refrigerator posterior medial accumulated ice.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, comprise laser range finder further, comprise laser emission element, photoelectric conversion unit and timing calculation unit, described laser emission element is used for refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space refrigerator body and refrigerator inside parcel tray, described photoelectric conversion unit is for receiving the reflect beams of laser light of refrigerator body posterior medial reflection, described timing calculation unit connects described laser emission element and described photoelectric conversion unit, according to Emission Lasers light beam and the time difference receiving reflect beams of laser light, calculate the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom, infrared transmitter, comprises the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit that level is equidistantly placed, and described first infrared emission unit distance refrigerator body posterior medial bottom is nearest, infrared remote receiver, comprise the first infrared receiver that level is equidistantly placed, second infrared receiver and the 3rd infrared receiver, first infrared receiver, second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, second infrared emission unit and the 3rd infrared emission unit respectively level are corresponding to receive the first infrared emission unit respectively, the infrared ray that second infrared emission unit and the 3rd infrared emission unit are launched, described first infrared receiver distance refrigerator body posterior medial bottom is nearest, described first infrared receiver launches the first accumulated ice thickness when not receiving infrared ray, described second infrared receiver launches the second accumulated ice thickness when not receiving infrared ray, described 3rd infrared receiver launches the 3rd accumulated ice thickness when not receiving infrared ray, single-chip microcomputer, be positioned at the outside of refrigerator body front portion, connect laser range finder respectively, infrared transmitter and infrared remote receiver, laser detection accumulated ice thickness is calculated to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives according to the inside refrigerator door bottom prestored, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice cue, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, export accumulated ice normal signal, preset thickness threshold value is less than the first accumulated ice thickness, camera, is positioned at inside refrigerator body left part, takes with output image signal to refrigerator body posterior medial, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start shooting, when receiving accumulated ice normal signal or accumulated ice cue, close shooting, heating plate, is positioned at refrigerator body posterior medial, for heating refrigerator body posterior medial, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start heating, when receiving accumulated ice normal signal or accumulated ice cue, close heating, display floater, be positioned at the outside of refrigerator body front portion, connect single-chip microcomputer and camera, for showing laser detection accumulated ice thickness, the first accumulated ice thickness, the second accumulated ice thickness or the 3rd accumulated ice thickness, and receive accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal time, show the information corresponding with accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal, when receiving accumulated ice early warning signal or accumulated ice alarm signal, also show the picture signal of camera shooting, user's input keyboard, connects single-chip microcomputer, and under the control of single-chip microcomputer, according to the input of user, whether the heating power grade of setting heating plate, display floater show the communicating number of described picture signal and wireless communication interface data sending object, wireless communication interface, connecting single-chip microcomputer, when receiving accumulated ice alarm signal, laser detection accumulated ice thickness and the information corresponding with accumulated ice alarm signal being sent to the wireless communication terminal of refrigerator user by cordless communication network, wherein, described single-chip microcomputer is built-in with memory, for the inside refrigerator door bottom that prestores described in the storing preset thickness threshold value described in Distance geometry of dispatching from the factory to refrigerator body posterior medial bottom, wherein, described single-chip microcomputer calculates laser detection accumulated ice thickness according to the inside refrigerator door bottom prestored to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives and comprises, and the difference between the detecting distance received to the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom the inside refrigerator door bottom prestored is as laser detection accumulated ice thickness.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described display floater is LCDs.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described wireless communication interface is GPRS wireless communication interface, 3G wireless communication interface or 4G wireless communication interface.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described single-chip microcomputer, described display floater, described user's input keyboard and described wireless communication interface are integrated on one piece of surface-mounted integrated circuit.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described memory is SynchronousDynamicRandomAccessMemory synchronous DRAM.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described camera also comprises flash lamp for photography, for when described camera starts shooting, opens flash lamp for photography and carries out shooting illumination.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the refrigerator body posterior medial accumulated ice detection alarm system illustrated according to an embodiment of the present invention.
Fig. 2 is the block diagram of the laser range finder of the refrigerator body posterior medial accumulated ice detection alarm system illustrated according to an embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of refrigerator body posterior medial accumulated ice detection alarm system of the present invention is described in detail.
Refrigerator is the indispensable electrical equipment of people's daily life.In civilian, refrigerator can be fresh-keeping or freezing to F&B, in order to postpone the expired time of F&B.The invention of refrigerator allows the mankind away from mouldy food, temperature can be reduced and preserve, and allows people enjoy healthy food when summer, can't but be the one progress that science and technology brings the mankind.
According to operation principle being classified as follows refrigerator of refrigerator.1) compressed steam refrigeration device: this kind of refrigerator provides mechanical energy by motor, by compressor to refrigeration system work done, refrigeration system utilizes lower boiling cold-producing medium, the principle absorbing heat during carburation by evaporation is made, its advantage is that the life-span is long, easy to use, the refrigerator of 91 ~ 95% belongs to this class in the world at present.2) absorption refrigerator: this kind of refrigerator can utilize thermal source (as coal gas, kerosene, electricity etc.) as power, utilize ammonia-water-hydrogen mixed solution in continuous absorption-diffusion process, reach the object of refrigeration, its shortcoming is that efficiency is low, and cooling is slow, is now eliminated gradually.3) borne semiconductor refrigerator: he utilizes PN type semiconductor, passes to direct current, the principle that node produces Peltier effect realizes the refrigerator freezed.4) chemical refrigerator: he utilizes some chemical dissolution strong endothermic and obtain the refrigerator of refrigeration when water.5) electromagnetic oscillation refrigerator: he is the refrigerator making this power to drive compressor with electromagnetic vibration machine, and its principle, structure and compressed steam refrigeration device are substantially identical.6) solar-powered refrigerator: he utilizes solar energy as the refrigerator of the refrigeration energy.
Current refrigerator product has entered the peak period of update, and market comsupton upgrade requirement pulls product structure to upgrade to high-endization, and the emerging consumer group has higher requirement to refrigerator brand and quality, is also the motive force supporting the further dilatation of high-end product.This just requires that refrigerator improves self intelligent level and scientific and technological content, and the use for user brings more convenience.
In the use procedure of refrigerator, there is the problem of refrigerator body posterior medial accumulated ice, reason is, major part steam is from air, when people's store food opens refrigerator, gas free exchange in room air and refrigerator, indoor humid air enters in refrigerator stealthily; Some steam is from the food deposited in refrigerator, and the veterinary antibiotics as cleaned up is placed in crisper, and the moisture evaporation in the food such as vegetables, improves the humidity of air in refrigerator; A large amount of moistures runs into the condenser pipe at refrigerator body rear portion, causes humidity condensed to be frozen, is accumulated in refrigerator body posterior medial, and parcel tray is extruded forward, refrigerator doors cannot normally be closed, and freezer compressor and condenser pipe are not stopped work work, and the use for user brings great inconvenience.
Refrigerator body posterior medial accumulated ice detection alarm system of the present invention, while can carrying out detecting in real time to refrigerator body posterior medial accumulated ice, realize automatic de-icing, automatic alarm, accumulated ice image automatically shows and accumulated ice warning message sends automatically, improve the gentle intelligence degree of Automated water of refrigerator.
Fig. 1 is the block diagram of the refrigerator body posterior medial accumulated ice detection alarm system illustrated according to an embodiment of the present invention, described detection alarm system comprises laser range finder 1, infrared transmitter 2, infrared remote receiver 3, single-chip microcomputer 4 and power supply unit 5, single-chip microcomputer 4 and laser range finder 1, infrared transmitter 2, infrared remote receiver 3 is connected respectively with power supply unit 5, laser range finder 1 is positioned at inside refrigerator door bottom, for detecting the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom, infrared transmitter 2 and infrared remote receiver 3 relative level are placed, lay respectively at the precalculated position of refrigerator body left part inner lower edge and right part inner lower edge, for detecting the accumulated ice thickness of bottom, refrigerator body rear portion, single-chip microcomputer 4 receives described detecting distance and described accumulated ice thickness, and according to described detecting distance and described accumulated ice thickness, refrigerator posterior medial accumulated ice is detected and reported to the police, power supply unit 5 is under the control of single-chip microcomputer 4, power supply management is carried out to described detection alarm each electronic equipment intrasystem.
Below, structure explanation is more specifically carried out to each electronic equipment of described detection alarm system.
First, be described with reference to the structure of Fig. 2 to laser range finder 1, laser range finder 1 is by laser emission element 11, photoelectric conversion unit 12 and timing calculation unit 13 form, described laser emission element 11 is for refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space refrigerator body and refrigerator inside parcel tray, described photoelectric conversion unit 12 is for receiving the reflect beams of laser light of refrigerator body posterior medial reflection, described timing calculation unit 13 connects described laser emission element 11 and described photoelectric conversion unit 12, according to Emission Lasers light beam and the time difference receiving reflect beams of laser light, calculate the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom.
In addition, infrared transmitter 2 comprises the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit that level is equidistantly placed, and described first infrared emission unit distance refrigerator body posterior medial bottom is nearest, infrared remote receiver 3 comprises the first infrared receiver that level is equidistantly placed, second infrared receiver and the 3rd infrared receiver, first infrared receiver, second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, second infrared emission unit and the 3rd infrared emission unit respectively level are corresponding to receive the first infrared emission unit respectively, the infrared ray that second infrared emission unit and the 3rd infrared emission unit are launched, described first infrared receiver distance refrigerator body posterior medial bottom is nearest, described first infrared receiver launches the first accumulated ice thickness when not receiving infrared ray, described second infrared receiver launches the second accumulated ice thickness when not receiving infrared ray, described 3rd infrared receiver launches the 3rd accumulated ice thickness when not receiving infrared ray.
Single-chip microcomputer 4, be positioned at the outside of refrigerator body front portion, connect laser range finder 1 respectively, infrared transmitter 2 and infrared remote receiver 3, laser detection accumulated ice thickness is calculated to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives according to the inside refrigerator door bottom prestored, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice cue, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, export accumulated ice normal signal, preset thickness threshold value is less than the first accumulated ice thickness.
Described detection alarm system can also comprise camera, described camera is positioned at inside refrigerator body left part, take with output image signal to refrigerator body posterior medial, described camera connects single-chip microcomputer 4, when receiving accumulated ice early warning signal or accumulated ice alarm signal, starting shooting, when receiving accumulated ice normal signal or accumulated ice cue, closing shooting.
Described detection alarm system can also comprise heating plate, the position of described heating plate is at refrigerator body posterior medial, for heating refrigerator body posterior medial, described heating plate connects single-chip microcomputer 4, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, starting heating, when receiving accumulated ice normal signal or accumulated ice cue, closing heating.
Described detection alarm system can also comprise display floater, be positioned at the outside of refrigerator body front portion, connect single-chip microcomputer 4 and camera, for showing laser detection accumulated ice thickness, first accumulated ice thickness, second accumulated ice thickness or the 3rd accumulated ice thickness, and receiving accumulated ice normal signal, accumulated ice cue, when accumulated ice early warning signal or accumulated ice alarm signal, display and accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or information corresponding to accumulated ice alarm signal, when receiving accumulated ice early warning signal or accumulated ice alarm signal, also show the picture signal of camera shooting.
Described detection alarm system can also comprise user's input keyboard, described user's input keyboard connects single-chip microcomputer 4, under the control of single-chip microcomputer 4, according to the input of user, whether the heating power grade of setting heating plate, display floater show the communicating number of described picture signal and wireless communication interface data sending object.
Described detection alarm system can also comprise wireless communication interface, described wireless communication interface connects single-chip microcomputer 4, when receiving accumulated ice alarm signal, laser detection accumulated ice thickness and the information corresponding with accumulated ice alarm signal are sent to the wireless communication terminal of refrigerator user by cordless communication network.
Wherein, described single-chip microcomputer 4 is built-in with memory, for the inside refrigerator door bottom that prestores described in the storing preset thickness threshold value described in Distance geometry of dispatching from the factory to refrigerator body posterior medial bottom; Wherein, described single-chip microcomputer 4 calculates laser detection accumulated ice thickness according to the inside refrigerator door bottom prestored to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives and comprises, and the difference between the detecting distance received to the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom the inside refrigerator door bottom prestored is as laser detection accumulated ice thickness.
Wherein, described display floater is LCDs, described wireless communication interface is GPRS wireless communication interface, 3G wireless communication interface or 4G wireless communication interface, according to manufacturer's customized demand, can select described single-chip microcomputer 4, described display floater, described user's input keyboard and described wireless communication interface are integrated on one piece of surface-mounted integrated circuit, described memory is SynchronousDynamicRandomAccessMemory synchronous DRAM, i.e. SDRAM, and described camera also comprises flash lamp for photography, for when described camera starts shooting, open flash lamp for photography and carry out shooting illumination.
In addition, laser range finder, utilize laser to carry out the instrument of Accurate Determining to the distance of target, laser range finder is operationally to a branch of very thin laser of target injection, the laser beam reflected by photoelectric cell receiving target, timer measures laser beam from the time being transmitted into reception, calculates from observer's range-to-go.Laser range finder is lightweight, volume is little, speed simple to operate fast and accurately, its error is only 1/5th of other optical rangefinders to hundreds of/mono-.The operation principle of laser range finder substantially can be summed up as measurement light and come and go the time required for target, then calculates distance D by light velocity c=299792458m/s and gas refraction coefficient n.
In addition, single-chip microcomputer (Singlechipmicrocomputer), it is a kind of IC chip, adopt very large scale integration technology to be integrated into the little and perfect microcomputer system of that one piece of silicon chip is formed, in industrial control field extensive use having the central processor CPU of data-handling capacity, random access memory ram, read only memory ROM, multiple I/O mouth and the function such as interrupt system, timer/counter (may also comprise the circuit such as display driver circuit, pulse-width modulation circuit, analog multiplexer, A/D converter).From the eighties in last century, by 4 at that time, 8 single-chip microcomputers, develop into the high-speed microprocessor of present 300M.Compare with computer, single-chip microcomputer has lacked ancillary equipment etc.Generally: chip piece has just become a computer.His volume is little, quality light, low price, condition of providing convenience for study, application and exploitation.He is used in industrial control field.Because single-chip microcomputer is in the extensive use of industrial control field, single-chip microcomputer develops by only there being the application specific processor chip of CPU.Design concept is the earliest by a large amount of ancillary equipment and CPU being integrated in a chip, making computer system less, more easily integrated enter complicated and in the middle of the strict control appliance of volume requirement.
Adopt refrigerator body posterior medial accumulated ice detection alarm system of the present invention, the technical problem causing refrigerator body posterior medial accumulated ice serious is easily blocked for current refrigerator limbers, adopt laser, infrared detection equipment, accurate detection accumulated ice thickness, timely automatic de-icing, and when detecting that the serious situation of accumulated ice occurs, the accumulated ice image of refrigerator inside is shot by camera, also accumulated ice information warning is wirelessly sent to refrigerator user, help refrigerator user to understand refrigerator accumulated ice state, quick solution accumulated ice problem in real time, thus do not delay the normal use of refrigerator.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (1)
1. a refrigerator body posterior medial bottom accumulated ice detection alarm system, it is characterized in that, described detection alarm system comprises laser range finder, infrared transmitter, infrared remote receiver and single-chip microcomputer, described laser range finder is positioned at inside refrigerator door bottom, for detecting the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom, described infrared transmitter and described infrared remote receiver lay respectively at the precalculated position of refrigerator body left part inner lower edge and right part inner lower edge, for detecting the accumulated ice thickness of bottom, refrigerator body rear portion, described single-chip microcomputer carries out detection alarm according to described detecting distance and described accumulated ice thickness to refrigerator posterior medial bottom accumulated ice,
Described detection alarm system also comprises:
Laser range finder, comprise laser emission element, photoelectric conversion unit and timing calculation unit, described laser emission element is used for refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space refrigerator body and refrigerator inside parcel tray, described photoelectric conversion unit is for receiving the reflect beams of laser light of refrigerator body posterior medial reflection, described timing calculation unit connects described laser emission element and described photoelectric conversion unit, according to Emission Lasers light beam and the time difference receiving reflect beams of laser light, calculate the detecting distance of inside refrigerator door bottom to refrigerator body posterior medial bottom,
Infrared transmitter, comprises the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit that level is equidistantly placed, and described first infrared emission unit distance refrigerator body posterior medial bottom is nearest;
Infrared remote receiver, comprise the first infrared receiver that level is equidistantly placed, second infrared receiver and the 3rd infrared receiver, first infrared receiver, second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, second infrared emission unit and the 3rd infrared emission unit respectively level are corresponding to receive the first infrared emission unit respectively, the infrared ray that second infrared emission unit and the 3rd infrared emission unit are launched, described first infrared receiver distance refrigerator body posterior medial bottom is nearest, described first infrared receiver launches the first accumulated ice thickness when not receiving infrared ray, described second infrared receiver launches the second accumulated ice thickness when not receiving infrared ray, described 3rd infrared receiver launches the 3rd accumulated ice thickness when not receiving infrared ray,
Single-chip microcomputer, be positioned at the outside of refrigerator body front portion, connect laser range finder respectively, infrared transmitter and infrared remote receiver, laser detection accumulated ice thickness is calculated to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives according to the inside refrigerator door bottom prestored, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice cue, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, export accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, export accumulated ice normal signal, preset thickness threshold value is less than the first accumulated ice thickness,
Camera, is positioned at inside refrigerator body left part, takes with output image signal to refrigerator body posterior medial, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start shooting, when receiving accumulated ice normal signal or accumulated ice cue, close shooting;
Heating plate, is positioned at refrigerator body posterior medial, for heating refrigerator body posterior medial, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start heating, when receiving accumulated ice normal signal or accumulated ice cue, close heating;
Display floater, be positioned at the outside of refrigerator body front portion, connect single-chip microcomputer and camera, for showing laser detection accumulated ice thickness, the first accumulated ice thickness, the second accumulated ice thickness or the 3rd accumulated ice thickness, and receive accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal time, show the information corresponding with accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal, when receiving accumulated ice early warning signal or accumulated ice alarm signal, also show the picture signal of camera shooting;
User's input keyboard, connects single-chip microcomputer, and under the control of single-chip microcomputer, according to the input of user, whether the heating power grade of setting heating plate, display floater show the communicating number of described picture signal and wireless communication interface data sending object;
Wireless communication interface, connecting single-chip microcomputer, when receiving accumulated ice alarm signal, laser detection accumulated ice thickness and the information corresponding with accumulated ice alarm signal being sent to the wireless communication terminal of refrigerator user by cordless communication network;
Wherein, described single-chip microcomputer is built-in with memory, for the inside refrigerator door bottom that prestores described in the storing preset thickness threshold value described in Distance geometry of dispatching from the factory to refrigerator body posterior medial bottom;
Wherein, described single-chip microcomputer calculates laser detection accumulated ice thickness according to the inside refrigerator door bottom prestored to the detecting distance that the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom receives and comprises, difference between the detecting distance received to the Distance geometry that dispatches from the factory of refrigerator body posterior medial bottom the inside refrigerator door bottom prestored is as laser detection accumulated ice thickness
Described camera also comprises flash lamp for photography, for when described camera starts shooting, opens flash lamp for photography and carries out shooting illumination.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393431.9A CN104121755B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410393431.9A Division CN104121755B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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| Publication Number | Publication Date |
|---|---|
| CN104764289A CN104764289A (en) | 2015-07-08 |
| CN104764289B true CN104764289B (en) | 2015-12-02 |
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| CN201510158013.6A Expired - Fee Related CN104764289B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
| CN201510161550.6A Active CN104776682B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection warning system |
| CN201510243027.8A Expired - Fee Related CN104930810B (en) | 2014-08-11 | 2014-08-11 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN201410393431.9A Active CN104121755B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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| CN201510161550.6A Active CN104776682B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection warning system |
| CN201510243027.8A Expired - Fee Related CN104930810B (en) | 2014-08-11 | 2014-08-11 | Detecting and alarming system for accumulated ice on inner side of rear portion of cabinet of refrigerator |
| CN201410393431.9A Active CN104121755B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2016652B1 (en) * | 2016-04-21 | 2017-11-16 | Innovative Mechanical Engineering Tech B V | Electrospinning device and method. |
| BR102017009161A2 (en) * | 2017-05-02 | 2018-11-21 | Brascabos Componentes Elétricos E Eletrônicos Ltda. | optical switch to control the energization of an electric charge |
| CN109838757A (en) * | 2017-09-08 | 2019-06-04 | 南京钧乔行汽车灯具有限公司 | A kind of headlight for vehicles cover surface removes accumulated snow method |
| CN111219922A (en) * | 2018-11-23 | 2020-06-02 | 宁波泽锦电器科技有限公司 | Multifunctional horizontal refrigerator |
| CN109544569B (en) * | 2018-11-30 | 2020-12-29 | 安徽省华腾农业科技有限公司经开区分公司 | Automatic deicing type single-door refrigerator |
| CN113551601B (en) * | 2019-08-30 | 2022-11-25 | 佛山市顺德区美的饮水机制造有限公司 | Device for measuring physical dimensions of an object |
| CN113070200B (en) * | 2021-04-06 | 2022-03-25 | 南京大学 | Drum screen hole blockage cleaning device and drum screen hole blockage cleaning method |
| CN115318633B (en) * | 2022-08-29 | 2024-06-07 | 农业农村部南京农业机械化研究所 | A method for grading nuts |
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- 2014-08-11 CN CN201510161550.6A patent/CN104776682B/en active Active
- 2014-08-11 CN CN201510243027.8A patent/CN104930810B/en not_active Expired - Fee Related
- 2014-08-11 CN CN201410393431.9A patent/CN104121755B/en active Active
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| GB2143945A (en) * | 1983-07-26 | 1985-02-20 | Agriculture Fisheries And Food | Frost sensor |
| CN1653308A (en) * | 2002-05-16 | 2005-08-10 | Bsh博施及西门子家用器具有限公司 | Freezer with defrost indication |
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| CN202613890U (en) * | 2012-03-19 | 2012-12-19 | 陈娟 | Refrigerator control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104776682A (en) | 2015-07-15 |
| CN104121755B (en) | 2015-11-25 |
| CN104930810B (en) | 2017-05-24 |
| CN104930810A (en) | 2015-09-23 |
| CN104121755A (en) | 2014-10-29 |
| CN104764289A (en) | 2015-07-08 |
| CN104776682B (en) | 2016-12-28 |
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