CN104121755A - Detecting and warning system for ice accumulation on inner side of back of refrigerator body - Google Patents
Detecting and warning system for ice accumulation on inner side of back of refrigerator body Download PDFInfo
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- CN104121755A CN104121755A CN201410393431.9A CN201410393431A CN104121755A CN 104121755 A CN104121755 A CN 104121755A CN 201410393431 A CN201410393431 A CN 201410393431A CN 104121755 A CN104121755 A CN 104121755A
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- accumulated ice
- refrigerator body
- refrigerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention relates to a detecting and warning system for ice accumulation on the inner side of the back of a refrigerator body. The detecting and warning system comprises a laser distance meter, an infrared transmitter, an infrared receiver and a single-chip microcomputer. The laser distance meter is located at the bottom end of the inner side of a refrigerator door and used for detecting the detection distance between the bottom end of the inner side of the refrigerator door and the bottom end of the inner side of the back of the refrigerator body. The infrared transmitter and the infrared receiver are located at a preset position of the bottom end of the inner side of the left of the refrigerator body and a preset position of the bottom end of the inner side of the right of the refrigerator body respectively and used for detecting the thickness of accumulated ice at the bottom end of the back of the refrigerator body. The single-chip microcomputer is used for carrying out detecting and warning on ice accumulation on the inner side of the back of a refrigerator according to the detection distance and the thickness of the accumulated ice. By means of the detecting and warning system, ice accumulation, caused by excessive water accumulation or limber hole blockage, in the refrigerator can be quickly and accurately known, warning and deicing can be carried out in time when normal work of the refrigerator is affected by the over-thick accumulated ice, and therefore use convenience is brought to users.
Description
Technical field
The present invention relates to refrigerator detection field, relate in particular to a kind of refrigerator body posterior medial accumulated ice detection alarm system.
Background technology
Refrigerator, is a kind of refrigeration plant that keeps constant low temperature, is also a kind of product for civilian use that makes food or other article keep constant low temperature cold conditions.In casing, there are compressor, ice machine, in order to icing cabinet or case, and with the parcel tray of refrigerating plant.The volume of household electric refrigerator is generally 20～500 liters.1910 in the world the domestic refrigerator of First compression-type refrigeration in the U.S., come out.Nineteen twenty-five Sweden Lido company has developed family expenses absorption refrigerator.Nineteen twenty-seven, GE developed totally enclosed type refrigerator.Nineteen thirty adopts the cooling continuous diffusion absorption refrigerator of air of different heating mode to put on market.Within 1931, succeed in developing novel refrigerant Freon 12.Start to produce Household hot refrigerator the latter half fifties.China produces refrigerator since the fifties.Refrigerator has become the indispensable indispensable household electrical appliance of people.
Use procedure at refrigerator, a kind of phenomenon occurs more continually: people often open closing refrigerator door, outside runny air enters refrigerator inside, or in refrigerator, placed the more high fruit and vegetable of moisture component, all cause humidity condensed to be frozen, because condenser pipe is located at refrigerator body rear portion, icing position 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 the condenser pipe work of not stopping work, when increasing energy consumption, lowered the service life of refrigerator.
In prior art, solution for refrigerator body posterior medial accumulated ice has two kinds, a kind of is regular deicing, another kind is to have limbers at refrigerator body rear portion, make moisture just can flow to the drip tray of refrigerator downside being cooled in aqueous water, these two kinds of solutions have all been alleviated the problem of refrigerator body posterior medial accumulated ice to a certain extent, but also all there is certain drawback, the former needs regularly to engage professional's maintenance of visiting, plant maintenance spending is higher, the latter can only be alleviated can not thoroughly solve accumulated ice problem, in addition, limbers is often because foreign matter stops up, at this moment the effect of limbers is just difficult to performance.
Therefore, need a kind of new refrigerator body posterior medial accumulated ice solution, can carry out the detection alarm of Different Strategies in the different phase of accumulated ice development, and realize intelligentized automatic de-icing, thereby reduce user's artificial intervention, time saving and energy saving.
Summary of the invention
In order to address the above problem, the invention provides a kind of refrigerator body posterior medial accumulated ice detection alarm system, introducing laser range finder and infrared transceiver detects refrigerator body posterior medial accumulated ice, introduce camera and in the situation that accumulated ice is serious, carry out the shooting of refrigerator inside scene, and introduce heating plate to carry out real-time deicing according to testing result, thereby the in the situation that of obstruction in refrigerator inside limbers, also without manpower intervention, can reach automatic de-icing, accumulated ice situation can be shown to user at any time, improve the intelligent degree of refrigerator equipment simultaneously.
According to an aspect of the present invention, a kind of refrigerator body posterior medial accumulated ice detection alarm system is provided, 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, detection distance for detection of inside refrigerator door bottom to refrigerator body posterior medial bottom, described infrared transmitter and described infrared remote receiver lay respectively at that inside bottom and right part the precalculated position of bottom inside refrigerator body left part, accumulated ice thickness for detection of bottom, refrigerator body rear portion, described single-chip microcomputer carries out detection alarm according to described detection 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, further comprise laser range finder, comprise laser emission element, photoelectric conversion unit and regularly computing unit, described laser emission element is used for to refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space between 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 computing unit connects described laser emission element and described photoelectric conversion unit, according to the time difference of Emission Lasers light beam and reception reflect beams of laser light, calculate inside refrigerator door bottom to the detection distance of refrigerator body posterior medial bottom, infrared transmitter, comprises equidistant the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit of placing of level, and described the first infrared emission unit is nearest apart from refrigerator body posterior medial bottom, infrared remote receiver, comprise equidistant the first infrared receiver placed of level, the second infrared receiver and the 3rd infrared receiver, the first infrared receiver, the second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit respectively level correspondence to receive respectively the first infrared emission unit, the infrared ray of the second infrared emission unit and the transmitting of the 3rd infrared emission unit, described the first infrared receiver is nearest apart from refrigerator body posterior medial bottom, described the first infrared receiver is launched the first accumulated ice thickness when not receiving infrared ray, described the second infrared receiver is launched the second accumulated ice thickness when not receiving infrared ray, described the 3rd infrared receiver is launched the 3rd accumulated ice thickness when not receiving infrared ray, single-chip microcomputer, be positioned at the outside of refrigerator body front portion, connect respectively laser range finder, infrared transmitter and infrared remote receiver, according to the inside refrigerator door bottom prestoring to dispatch from the factory distance and the detection that receives of refrigerator body posterior medial bottom apart from calculating laser detection accumulated ice thickness, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, the cue of output accumulated ice, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, output accumulated ice normal signal, preset thickness threshold value is less than the first accumulated ice thickness, camera, is positioned at refrigerator body left part inner side, and refrigerator body posterior medial is taken with output image signal, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start and take, when receiving accumulated ice normal signal or accumulated ice cue, close shooting, heating plate, is positioned at refrigerator body posterior medial, for refrigerator body posterior medial is heated, 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, be used for showing laser detection accumulated ice thickness, the first accumulated ice thickness, the second accumulated ice thickness or the 3rd accumulated ice thickness, and when receiving accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal, 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 that camera is taken, user's input keyboard, connects single-chip microcomputer, and under the control of single-chip microcomputer, according to user's input, whether heating power grade, the display floater of setting heating plate shows that described picture signal and wireless communication interface data send the communicating number of object, wireless communication interface, connects single-chip microcomputer, when receiving accumulated ice alarm signal, laser detection accumulated ice thickness and the information corresponding with accumulated ice alarm signal is sent to refrigerator user's wireless communication terminal by cordless communication network, wherein, described single-chip microcomputer is built-in with memory, dispatch from the factory distance and described preset thickness threshold value for the inside refrigerator door bottom that prestores described in storing to refrigerator body posterior medial bottom, wherein, according to the inside refrigerator door bottom prestoring, the detection of dispatching from the factory distance and receiving to refrigerator body posterior medial bottom comprises apart from calculating laser detection accumulated ice thickness described single-chip microcomputer, and the difference between the detection of dispatching from the factory distance and the receiving distance using the inside refrigerator door bottom prestoring to refrigerator body posterior medial bottom 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 a surface-mounted integrated circuit.
More specifically, in described refrigerator body posterior medial accumulated ice detection alarm system, described memory is Synchronous Dynamic Random Access Memory 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 the flash lamp for photography illumination of making a video recording.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
The block diagram that Fig. 1 is the refrigerator body posterior medial accumulated ice detection alarm system that illustrates according to an embodiment of the present invention.
The block diagram of the laser range finder that Fig. 2 is the refrigerator body posterior medial accumulated ice detection alarm system that illustrates according to an embodiment of the present invention.
The specific embodiment
Below with reference to accompanying drawings the embodiment of refrigerator body posterior medial accumulated ice detection alarm system of the present invention is elaborated.
Refrigerator is the indispensable electrical equipment of people's daily life.Aspect 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 summer, enjoy healthy food, can't but be a kind of progress that science and technology brings the mankind.
Being classified as follows refrigerator according to the operation principle 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 is utilized lower boiling cold-producing medium, during carburation by evaporation, absorb that the principle of heat makes, its advantage is that the life-span is long, easy to use, 91～95% refrigerator 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, to 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, and the principle that produces Peltier effect on node realizes the refrigerator of refrigeration.4) chemical refrigerator: he is strong endothermic and obtain the refrigerator of refrigeration while utilizing some chemical substance to be dissolved in water.5) electromagnetic oscillation refrigerator: he makes with electromagnetic vibration machine the refrigerator that this power carrys out drive compression machine, and its principle, structure and compressed steam refrigeration device are basic identical.6) solar-powered refrigerator: he utilizes solar energy as the refrigerator of the refrigeration energy.
Refrigerator product has entered the peak period of update at present, and market comsupton upgrade requirement pulls product structure to high-endization upgrading, and the emerging consumer group has higher requirement to refrigerator brand and quality, is also the motive force that supports the further dilatation of high-end product.This just requires refrigerator to improve self intelligent level and scientific and technological content, for user's use brings more convenience.
In the use procedure of refrigerator, there is the problem of refrigerator body posterior medial accumulated ice, reason is, most of steam is from air, when people's store food is opened refrigerator, gas free exchange in room air and refrigerator, indoor humid air enters in refrigerator stealthily; Some steam is from the food of depositing in refrigerator, as the vegetables that clean up, fruit are placed in crisper, and the moisture evaporation in the food such as vegetables has improved 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, and is accumulated in refrigerator body posterior medial, and parcel tray is extruded forward, refrigerator doors cannot normally be closed, and freezer compressor and the condenser pipe work of not stopping work, for user's use has brought great inconvenience.
Refrigerator body posterior medial accumulated ice detection alarm system of the present invention, when can carry out detecting in real time to refrigerator body posterior medial accumulated ice, realize automatic de-icing, automatic alarm, the automatic demonstration of accumulated ice image and accumulated ice warning message and automatically send, improve the gentle intelligent degree of Automated water of refrigerator.
The block diagram that Fig. 1 is the refrigerator body posterior medial accumulated ice detection alarm system that illustrates 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, detection distance for detection of inside refrigerator door bottom to refrigerator body posterior medial bottom, infrared transmitter 2 and infrared remote receiver 3 relative levels are placed, lay respectively at that inside bottom and right part the precalculated position of bottom inside refrigerator body left part, accumulated ice thickness for detection of bottom, refrigerator body rear portion, single-chip microcomputer 4 receives described detection distance and described accumulated ice thickness, and according to described detection 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 at single-chip microcomputer 4, intrasystem each electronic equipment of described detection alarm is carried out to power supply management.
Below, each electronic equipment of described detection alarm system is carried out to structure explanation more specifically.
First, with reference to Fig. 2, the structure of laser range finder 1 is described, laser range finder 1 is by laser emission element 11, photoelectric conversion unit 12 and regularly computing unit 13 form, described laser emission element 11 is for to refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space between 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 computing unit 13 connects described laser emission element 11 and described photoelectric conversion unit 12, according to the time difference of Emission Lasers light beam and reception reflect beams of laser light, calculate inside refrigerator door bottom to the detection distance of refrigerator body posterior medial bottom.
In addition, infrared transmitter 2 comprises equidistant the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit of placing of level, and described the first infrared emission unit is nearest apart from refrigerator body posterior medial bottom, infrared remote receiver 3 comprises equidistant the first infrared receiver placed of level, the second infrared receiver and the 3rd infrared receiver, the first infrared receiver, the second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit respectively level correspondence to receive respectively the first infrared emission unit, the infrared ray of the second infrared emission unit and the transmitting of the 3rd infrared emission unit, described the first infrared receiver is nearest apart from refrigerator body posterior medial bottom, described the first infrared receiver is launched the first accumulated ice thickness when not receiving infrared ray, described the second infrared receiver is launched the second accumulated ice thickness when not receiving infrared ray, described the 3rd infrared receiver is launched 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 respectively laser range finder 1, infrared transmitter 2 and infrared remote receiver 3, according to the inside refrigerator door bottom prestoring to dispatch from the factory distance and the detection that receives of refrigerator body posterior medial bottom apart from calculating laser detection accumulated ice thickness, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, the cue of output accumulated ice, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, output 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 refrigerator body left part inner side, refrigerator body posterior medial is taken with output image signal, described camera connects single-chip microcomputer 4, when receiving accumulated ice early warning signal or accumulated ice alarm signal, start and take, when receiving accumulated ice normal signal or accumulated ice cue, close shooting.
Described detection alarm system can also comprise heating plate, the position of described heating plate is at refrigerator body posterior medial, for refrigerator body posterior medial is heated, described heating plate connects single-chip microcomputer 4, 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.
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, be used for showing laser detection accumulated ice thickness, the first accumulated ice thickness, the 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, show 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 that camera is taken.
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 user's input, whether heating power grade, the display floater of setting heating plate shows that described picture signal and wireless communication interface data send the communicating number of 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 refrigerator user's wireless communication terminal by cordless communication network.
Wherein, described single-chip microcomputer 4 is built-in with memory, dispatch from the factory distance and described preset thickness threshold value for the inside refrigerator door bottom that prestores described in storing to refrigerator body posterior medial bottom; Wherein, according to the inside refrigerator door bottom prestoring, the detection of dispatching from the factory distance and receiving to refrigerator body posterior medial bottom comprises apart from calculating laser detection accumulated ice thickness described single-chip microcomputer 4, and the difference between the detection of dispatching from the factory distance and the receiving distance using the inside refrigerator door bottom prestoring to refrigerator body posterior medial bottom 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 a surface-mounted integrated circuit, described memory is Synchronous Dynamic Random Access Memory synchronous DRAM, be SDRAM, and described camera also comprises flash lamp for photography, for when described camera starts shooting, open the flash lamp for photography illumination of making a video recording.
In addition, laser range finder, to utilize laser the distance of target to be carried out to the instrument of Accurate Determining, laser range finder penetrates a branch of very thin laser to target when work, the laser beam being reflected by photoelectric cell receiving target, timer is measured laser beam from being transmitted into the time of reception, calculates the range-to-go from observer.Laser range finder is lightweight, volume is little, speed simple to operate fast and accurate, and its error is only that 1/5th of other optical rangefinders arrive hundreds of/mono-.The operation principle of laser range finder can be summed up as substantially to be measured the round required time of target of light, then by light velocity c=299792458m/s and gas refraction coefficient n, calculates distance D.
In addition, single-chip microcomputer (Single chip microcomputer), it is a kind of IC chip, to adopt very large scale integration technology that the functions (may also comprise the circuit such as display driver circuit, pulse-width modulation circuit, analog multiplexer, A/D converter) such as central processor CPU, random access memory ram, read only memory ROM, multiple I/O mouth and interrupt system, timer/counter with data-handling capacity are integrated into the little and perfect microcomputer system forming on a silicon chip, in industrial control field extensive use.From the eighties in last century, by 4,8 single-chip microcomputers at that time, develop into the high-speed microprocessor of present 300M.Compare with computer, single-chip microcomputer has lacked ancillary equipment etc.That summarizes says: chip piece has just become a computer.His volume is little, quality light, low price, be study, application and the exploitation condition of providing convenience.He is used in industrial control field.Due to the extensive use of single-chip microcomputer at industrial control field, single-chip microcomputer is by only there being the application specific processor chip of CPU to develop.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, for current refrigerator limbers, easily stop up and cause the serious technical problem of refrigerator body posterior medial accumulated ice, adopt laser, infrared detection equipment, accurately detect accumulated ice thickness, timely automatic de-icing, and when the serious situation of accumulated ice being detected and occur, by camera, shoot the accumulated ice image of refrigerator inside, also accumulated ice information warning is wirelessly sent to refrigerator user, help refrigerator user to understand in real time refrigerator accumulated ice state, quick solution accumulated ice problem, thereby do not delay the normal use of refrigerator.
Be understandable that, although the present invention with preferred embodiment disclosure as above, yet above-described embodiment is not in order to limit the present invention.For any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (7)
1. a refrigerator body posterior medial 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, detection distance for detection of inside refrigerator door bottom to refrigerator body posterior medial bottom, described infrared transmitter and described infrared remote receiver lay respectively at that inside bottom and right part the precalculated position of bottom inside refrigerator body left part, accumulated ice thickness for detection of bottom, refrigerator body rear portion, described single-chip microcomputer carries out detection alarm according to described detection distance and described accumulated ice thickness to refrigerator posterior medial accumulated ice.
2. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 1, is characterized in that, described detection alarm system also comprises:
Laser range finder, comprise laser emission element, photoelectric conversion unit and regularly computing unit, described laser emission element is used for to refrigerator body posterior medial Vertical Launch laser beam, described Emission Lasers light beam is through the space between 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 computing unit connects described laser emission element and described photoelectric conversion unit, according to the time difference of Emission Lasers light beam and reception reflect beams of laser light, calculate inside refrigerator door bottom to the detection distance of refrigerator body posterior medial bottom,
Infrared transmitter, comprises equidistant the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit of placing of level, and described the first infrared emission unit is nearest apart from refrigerator body posterior medial bottom;
Infrared remote receiver, comprise equidistant the first infrared receiver placed of level, the second infrared receiver and the 3rd infrared receiver, the first infrared receiver, the second infrared receiver and the 3rd infrared receiver and the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit respectively level correspondence to receive respectively the first infrared emission unit, the infrared ray of the second infrared emission unit and the transmitting of the 3rd infrared emission unit, described the first infrared receiver is nearest apart from refrigerator body posterior medial bottom, described the first infrared receiver is launched the first accumulated ice thickness when not receiving infrared ray, described the second infrared receiver is launched the second accumulated ice thickness when not receiving infrared ray, described the 3rd infrared receiver is launched the 3rd accumulated ice thickness when not receiving infrared ray,
Single-chip microcomputer, be positioned at the outside of refrigerator body front portion, connect respectively laser range finder, infrared transmitter and infrared remote receiver, according to the inside refrigerator door bottom prestoring to dispatch from the factory distance and the detection that receives of refrigerator body posterior medial bottom apart from calculating laser detection accumulated ice thickness, when receiving the first accumulated ice thickness and conform to laser detection accumulated ice thickness, the cue of output accumulated ice, when receiving the second accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice early warning signal, when receiving the 3rd accumulated ice thickness and conform to laser detection accumulated ice thickness, output accumulated ice alarm signal, when laser detection accumulated ice thickness is less than preset thickness threshold value, output accumulated ice normal signal, preset thickness threshold value is less than the first accumulated ice thickness,
Camera, is positioned at refrigerator body left part inner side, and refrigerator body posterior medial is taken with output image signal, connect single-chip microcomputer, and when receiving accumulated ice early warning signal or accumulated ice alarm signal, start and take, when receiving accumulated ice normal signal or accumulated ice cue, close shooting;
Heating plate, is positioned at refrigerator body posterior medial, for refrigerator body posterior medial is heated, 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, be used for showing laser detection accumulated ice thickness, the first accumulated ice thickness, the second accumulated ice thickness or the 3rd accumulated ice thickness, and when receiving accumulated ice normal signal, accumulated ice cue, accumulated ice early warning signal or accumulated ice alarm signal, 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 that camera is taken;
User's input keyboard, connects single-chip microcomputer, and under the control of single-chip microcomputer, according to user's input, whether heating power grade, the display floater of setting heating plate shows that described picture signal and wireless communication interface data send the communicating number of object;
Wireless communication interface, connects single-chip microcomputer, when receiving accumulated ice alarm signal, laser detection accumulated ice thickness and the information corresponding with accumulated ice alarm signal is sent to refrigerator user's wireless communication terminal by cordless communication network;
Wherein, described single-chip microcomputer is built-in with memory, dispatch from the factory distance and described preset thickness threshold value for the inside refrigerator door bottom that prestores described in storing to refrigerator body posterior medial bottom;
Wherein, according to the inside refrigerator door bottom prestoring, the detection of dispatching from the factory distance and receiving to refrigerator body posterior medial bottom comprises apart from calculating laser detection accumulated ice thickness described single-chip microcomputer, and the difference between the detection of dispatching from the factory distance and the receiving distance using the inside refrigerator door bottom prestoring to refrigerator body posterior medial bottom is as laser detection accumulated ice thickness.
3. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 2, is characterized in that:
Described display floater is LCDs.
4. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 2, is characterized in that:
Described wireless communication interface is GPRS wireless communication interface, 3G wireless communication interface or 4G wireless communication interface.
5. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 2, is characterized in that:
Described single-chip microcomputer, described display floater, described user's input keyboard and described wireless communication interface are integrated on a surface-mounted integrated circuit.
6. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 2, is characterized in that:
Described memory is Synchronous Dynamic Random Access Memory synchronous DRAM.
7. refrigerator body posterior medial accumulated ice detection alarm system as claimed in claim 2, is characterized in that:
Described camera also comprises flash lamp for photography, for when described camera starts shooting, opens the flash lamp for photography illumination of making a video recording.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161550.6A CN104776682B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection warning system |
| CN201410393431.9A CN104121755B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
| CN201510243027.8A 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 |
| CN201510158013.6A CN104764289B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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 |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510161550.6A Division CN104776682B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection warning system |
| CN201510243027.8A Division 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 |
| CN201510158013.6A Division CN104764289B (en) | 2014-08-11 | 2014-08-11 | Refrigerator body posterior medial accumulated ice detection alarm system |
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| CN104121755A true CN104121755A (en) | 2014-10-29 |
| CN104121755B CN104121755B (en) | 2015-11-25 |
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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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| 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 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109544569A (en) * | 2018-11-30 | 2019-03-29 | 宁波泽锦电器科技有限公司 | Automatic de-icing formula simple gate refrigerator |
| CN111219922A (en) * | 2018-11-23 | 2020-06-02 | 宁波泽锦电器科技有限公司 | Multifunctional horizontal refrigerator |
| CN115318633A (en) * | 2022-08-29 | 2022-11-11 | 农业农村部南京农业机械化研究所 | Nut grading method |
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| 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 |
| 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 |
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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
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104776682A (en) | 2015-07-15 |
| CN104764289B (en) | 2015-12-02 |
| CN104121755B (en) | 2015-11-25 |
| CN104930810B (en) | 2017-05-24 |
| CN104930810A (en) | 2015-09-23 |
| CN104764289A (en) | 2015-07-08 |
| CN104776682B (en) | 2016-12-28 |
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