CN102636433A - Food freshness detecting device and refrigerator using same - Google Patents
Food freshness detecting device and refrigerator using same Download PDFInfo
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- CN102636433A CN102636433A CN2012100364225A CN201210036422A CN102636433A CN 102636433 A CN102636433 A CN 102636433A CN 2012100364225 A CN2012100364225 A CN 2012100364225A CN 201210036422 A CN201210036422 A CN 201210036422A CN 102636433 A CN102636433 A CN 102636433A
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Abstract
The invention discloses a food freshness detecting device, comprising a gas circulating and collecting duct surrounded by a sealing material. A gas collecting hole and an air outlet are arranged on the gas circulating and collecting duct; and a particle filter, an air intake device and a gas sensor array, which are connected with an analysis control unit, are respectively arranged in the gas circulating and collecting duct along an airflow direction in sequence. The food freshness detecting device is used for analyzing gas emitted by the food to rapidly judge bad food with an accurate result, and is suitable for freshness detection of all foods. Furthermore, the food freshness detecting device can be used for rapidly determining the types of the bad food, is convenient to use and occupies a small space, and can be very conveniently mounted in a device for storing the foods.
Description
Technical field
The present invention relates to a kind of intelligent food inspection device, specifically, relate to a kind of food freshness pick-up unit and adopt the refrigerator of this device.
Background technology
The history that refrigerator has experienced decades so far from invention, present refrigerator storage space is increasing, and memory function is more and more, and the user can store the FF of numerous categories usually in refrigerator when using refrigerator.Thing followed problem is that a lot of users can often forget the shelf-life that is placed on various food in the refrigerator like this, often waits until when finding that the serious corruption of food comes to light, and is late, can not eat.Not only caused the waste that abandons of spoiled food, gases such as the corrupt simultaneously ethene that food gave out, ammonia have also quickened the corruption of other food in the cabin, cause bigger waste.
For the shelf-life that can remind user's food closes on; There are some refrigerators to have the RFID scan function; Granted publication number discloses a kind of intelligent refrigerator for the utility model patent of CN 201837198U; Comprise the RFID control system that is provided with control module, discerns antenna, RFID reader and the display screen of the article that are provided with the RFID chip; The RFID control system receives through antenna and is stored in the food information that is provided with the RFID chip in the refrigerator, and handles and display result is shown on the display screen through being input to control module after the decoding of RFID reader.The shortcoming of this kind refrigerator is to utilize the RFID scanning theory, can only be to there being the food of electronic tag to scan.In addition, because some in season fruit and vegetable foods receive the extruding of external force etc. easily in handling process; Rapid structural change can take place, and causes local corruption, and even quickens the putrid and deteriorated of whole fruit; The electronics memo but can not write down this kind variation, causes information errors.
Based on this, how to research and develop a kind of refrigerator that detects the food freshness that has, can active detecting food freshness, testing result is reliable, is the problem that the present invention mainly solves.
Summary of the invention
The present invention can only be according to the fast expired food of quality period prompting in order to solve the existing fresh pen recorder of food; And can not Intelligent Measurement rotten food; The shortcoming that causes information errors easily provides a kind of food freshness pick-up unit, and the refrigerator that adopts this device; Can the active detecting analysis rotten food, information is accurate.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to be achieved:
A kind of food freshness pick-up unit; Comprise the gas circulation collection air channel that encapsulant surrounds; Said gas circulation is gathered on the air channel and is had gas collecting hole and air outlet;, said gas circulation is disposed with particle filter, getter device and the gas sensor array that is connected with analysis controlling unit respectively in gathering the air channel along airflow direction; Getter device is used for that extraneous gas is drawn into gas circulation from the gas collecting hole to be gathered in the air channel, and the gas that is sucked separates through particle filter, and the gas delivery after said particle filter will separate is carried out the concentration detection to gas sensor array; To detect data by gas sensor array and be sent to analysis controlling unit analysis, the gas after concentration detects is discharged through air outlet.
Further; When analysis controlling unit analyzes certain gas concentration when exceeding normal range; In order to confirm what which kind of food spoilage caused; Described food freshness pick-up unit comprises that also at least one is used to detect the imaging detection device of spoiled food kind, and said imaging detection device is connected with analysis controlling unit.
Preferably, described imaging detection device is the Terahertz optical splitter, and it can carry out the scanning of interior molecules structure to food in the refrigerator by launching electromagnetic wave, utilizes the terahertz imaging technology to be carried out to picture, and measurement result is sent to analysis controlling unit.
Further again; For ease when confirming final spoiled food; Can in time carry out alarm, described food freshness pick-up unit also comprises the warning device that is connected with analysis controlling unit, and personnel in time take measures with prompting; Wherein, warning device can be that audible alarm also can be a photoelectric alarm.
Preferably, described getter device can adopt circulating fan to realize.
Based on above-mentioned a kind of food freshness pick-up unit; The present invention provides a kind of refrigerator that adopts above-mentioned food freshness pick-up unit simultaneously; Comprise reefer; In said reefer casing, be provided with food freshness pick-up unit; Described food freshness pick-up unit comprises the gas circulation collection air channel that encapsulant surrounds; Said gas circulation is gathered on the air channel and is had gas collecting hole and air outlet, in said gas circulation is gathered the air channel, is disposed with particle filter, getter device and the gas sensor array that is connected with analysis controlling unit respectively along airflow direction, and getter device is used for the gas of reefer casing is drawn in the gas circulation collection air channel from the gas collecting hole; And the gas that is sucked separates through particle filter; Gas delivery after said particle filter will separate is carried out concentration to gas sensor array and is detected, and will detect data by gas sensor array and be sent to analysis controlling unit analysis, and the gas after concentration detects is discharged through air outlet.
If described food freshness pick-up unit also comprises the warning device that is connected with analysis controlling unit, described warning device preferably is arranged in the refrigerator control panel, and wherein, warning device can be that audible alarm also can be a photoelectric alarm.Through warning device is set, convenient when confirming final spoiled food, can in time carry out alarm.
Compared with prior art, advantage of the present invention and good effect are: food freshness pick-up unit of the present invention utilization is analyzed the gas that food distributed, and judges fast whether rotten food is arranged; The result is accurate, is applicable to that the freshness of all food detects, and can be through further imaging detection; Confirm rotten food variety fast; Bring great convenience for user's use, device takes up room little, can be installed in very easily in the device of storage food.
After the detailed description in conjunction with the advantages embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of example structure synoptic diagram of food freshness pick-up unit proposed by the invention;
Fig. 2 is the lateral plan of food freshness pick-up unit among Fig. 1;
Fig. 3 is a circuit part control principle block scheme among Fig. 1;
Fig. 4 is a kind of example structure synoptic diagram of refrigerator proposed by the invention.
Embodiment
To the problem that does not also have at present a kind of food freshness pick-up unit, also be that present device can only be reminded according to factory-designed time shelf-life, many times do not meet with the actual food product freshness; Cause information errors, the invention provides a kind of food freshness pick-up unit, utilize the gas that food distributed is analyzed; Judge fast whether rotten food is arranged; And can confirm rotten food variety fast through further imaging detection, bring great convenience for user's use; Device takes up room little, can be installed in very easily in the device of storage food.
Do explanation in further detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment one, referring to Fig. 1, Fig. 2, shown in Figure 3, and the food freshness pick-up unit of present embodiment; Comprise gas circulation collection air channel 1; Said gas collecting air channel 1 is surrounded by encapsulant, and said gas circulation is gathered and had gas collecting hole 2 and air outlet 3 on the air channel, in gas collecting air channel 1, is disposed with particle filter 4, getter device 6 and gas sensor array 5 along airflow direction; And particle filter 4, getter device 6 and gas sensor array 5 are connected with analysis controlling unit respectively; Getter device 6 is accepted the control of analysis controlling unit, is used for that extraneous gas is drawn into gas circulation from gas collecting hole 2 and gathers in the air channel 1, and particle filter 4 is accepted the control of analysis controlling unit; The gas that is sucked separates according to particle size through particle filter 4; Gas sensor array 5 is accepted the control of analysis controlling unit equally, and the gas of accomplishing after separating is transported to gas sensor array 5 by particle filter 4, carries out concentration and detects; And will detect data by it and be sent to analysis controlling unit analysis, the gas after concentration detects is finally discharged through air outlet.Gas sensor array 5 is made up of one group of sensor; Be respectively applied for the concentration that detects the harmful gas that spoiled food distributes, such as the ethylene sensor that detects ethylene concentration, be used to detect sulfureted hydrogen gas concentration hydrogen sulfide sensor, be used to detect the ammoniacal sensor of ammonia concentration etc.Analysis controlling unit is analyzed the data that gas sensor 5 sends, and judges whether certain gas concentration exceeds normal range.Wherein, described getter device 6 can adopt circulating fan to realize, but is not limited to circulating fan.
When analysis controlling unit analyzes certain gas concentration when exceeding normal range; In order to confirm what which kind of food spoilage caused; Described food freshness pick-up unit comprises that also at least one is used to detect the imaging detection device 7 of spoiled food kind, and said imaging detection device 7 is connected with analysis controlling unit.Also promptly: when analysis controlling unit analyzes certain gas concentration when exceeding normal range; To trigger and start imaging detection device 7 work; Food carries out the scanning of interior molecules structure near 7 pairs of the imaging detection devices; And measurement result sent to analysis controlling unit, and compare by the normal data of setting in analysis controlling unit and the database, finally confirm the spoiled food kind.Described imaging detection device 7 can adopt the Terahertz optical splitter to realize, it can carry out the scanning of interior molecules structure to food in the refrigerator by launching electromagnetic wave, utilizes the terahertz imaging technology to be carried out to picture, and measurement result is sent to analysis controlling unit.The frequency of operation of whole detection device can be provided with and regulate according to user's actual need; For guaranteeing practical effect; Generally can be set at 12 hours and detect once automatically; Also can carry out the setting of random opening and closing according to the actual requirements to this function, simple to operation, the user is easy to grasp.
When confirming final spoiled food, can in time carry out alarm for ease, described food freshness pick-up unit also comprises the warning device (not shown) that is connected with analysis controlling unit; Personnel in time take measures with prompting; Wherein, warning device can be an audible alarm, such as realizing through hummer is installed; Also can be photoelectric alarm, such as realizing through the LED lamp is installed.
The gas that the utilization of this device is sent spoiled food carries out constituent analysis, and the result is accurate, is applicable to that the freshness of all food detects, and is such as fruit, meat, eggs, greengrocery etc., simple and practical.
Embodiment two; Based on above-mentioned a kind of food freshness pick-up unit, the present invention provides a kind of refrigerator that adopts above-mentioned food freshness pick-up unit simultaneously, referring to shown in Figure 4; Comprise reefer 8; In said reefer casing, be provided with food freshness pick-up unit 9, this food freshness pick-up unit 9 specifically can be with reference to Fig. 1, Fig. 2, shown in Figure 3, and described food freshness pick-up unit comprises gas circulation collection air channel 1; And gas collecting air channel 1 is surrounded by encapsulant; Said gas circulation is gathered and is had gas collecting hole 2 and air outlet 3 on the air channel 1, in gas collecting air channel 1, is provided with particle filter 4, gas sensor array 5 and getter device 6, and getter device 6 is used for that the gas in the reefer casing is drawn into gas circulation from gas collecting hole 2 and gathers in the air channel 1; And the gas that is sucked separates according to particle size through particle filter 4; The gas of accomplishing after separating is transported to gas sensor array 5 by particle filter 4, carries out concentration and detects, and gas sensor array 5 is connected with analysis controlling unit; To detect data by it and be sent to analysis controlling unit analysis, the gas after concentration detects is discharged through air outlet.Wherein, Gas sensor array 5 is made up of one group of sensor; Be respectively applied for the concentration that detects the harmful gas that spoiled food distributes, such as the ethylene sensor that detects ethylene concentration, be used to detect sulfureted hydrogen gas concentration hydrogen sulfide sensor, be used to detect the ammoniacal sensor of ammonia concentration etc.The food freshness pick-up unit of present embodiment also comprises analysis controlling unit; Said gas sensor array 5 is connected with analysis controlling unit; And the concentration data of detected harmful gas is sent to analysis controlling unit, carries out certain gas concentration of analysis and judgement by it and whether exceed normal range.Wherein, described getter device 6 can adopt circulating fan to realize.
When analysis controlling unit analyzes certain gas concentration when exceeding normal range; In order to confirm what which kind of food spoilage caused; Described food freshness pick-up unit comprises that also at least one is used to detect the imaging detection device of spoiled food kind, and said imaging detection device is connected with analysis controlling unit.Also promptly: when analysis controlling unit analyzes certain gas concentration when exceeding normal range; To trigger and start imaging detection device work; Imaging detection device carries out the scanning of interior molecules structure near food; And measurement result sent to analysis controlling unit, and compare by the normal data of setting in analysis controlling unit and the database, finally confirm the spoiled food kind.Described imaging detection device can adopt the Terahertz optical splitter to realize, it can carry out the scanning of interior molecules structure to food in the refrigerator by launching electromagnetic wave, utilizes the terahertz imaging technology to be carried out to picture, and measurement result is sent to analysis controlling unit.Generally speaking, the reefer of refrigerator comprises several layers shelf 10, and what have also comprises fruit and vegetable box; Because the words of a Terahertz optical splitter are difficult to realize Multi Slice Mode; Therefore, whole reefer is run through in preferred gas circle collection air channel, and in the position of corresponding each layer a Terahertz optical splitter is set all; Can effectively avoid detecting the blind area like this, more comprehensively, thoroughly.
If described food freshness pick-up unit also comprises the warning device that is connected with analysis controlling unit; Attractive in appearance for refrigerator product; Described warning device preferably is arranged in the refrigerator control panel, and wherein, warning device can be that audible alarm also can be a photoelectric alarm.Because the front is mentioned and is utilized the terahertz imaging technology that spoiled food is formed images, preferably imaging is shown in control panel simultaneously, can help the user to locate the type of spoiled food fast.Through warning device is set, conveniently when finally confirming spoiled food, can in time carry out alarm, effectively prevented to pollute other food.
Certainly; Above-mentioned explanation is not to be limitation of the present invention; The present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (10)
1. food freshness pick-up unit; It is characterized in that: comprise the gas circulation collection air channel that encapsulant surrounds; Said gas circulation is gathered on the air channel and is had gas collecting hole and air outlet, in said gas circulation is gathered the air channel, is disposed with particle filter, getter device and the gas sensor array that is connected with analysis controlling unit respectively along airflow direction.
2. food freshness pick-up unit according to claim 1; It is characterized in that: described food freshness pick-up unit comprises that also at least one is used to detect the imaging detection device of spoiled food kind, and said imaging detection device is connected with analysis controlling unit.
3. food freshness pick-up unit according to claim 2 is characterized in that: described imaging detection device is the Terahertz optical splitter.
4. food freshness pick-up unit according to claim 1 is characterized in that: described food freshness pick-up unit also comprises the warning device that is connected with analysis controlling unit.
5. according to the described food freshness of each claim of claim 1-4 pick-up unit, it is characterized in that: described getter device is a circulating fan.
6. refrigerator; Comprise reefer; It is characterized in that: in said reefer casing, be provided with food freshness pick-up unit; Described food freshness pick-up unit comprises the gas circulation collection air channel that encapsulant surrounds, and said gas circulation is gathered on the air channel and had gas collecting hole and air outlet, in said gas circulation is gathered the air channel, is disposed with particle filter, getter device and the gas sensor array that is connected with analysis controlling unit respectively along airflow direction.
7. refrigerator according to claim 6 is characterized in that: described food freshness pick-up unit comprises that also at least one is used to detect the imaging detection device of spoiled food kind, and said imaging detection device is connected with analysis controlling unit.
8. refrigerator according to claim 7 is characterized in that: described imaging detection device is the Terahertz optical splitter.
9. refrigerator according to claim 6 is characterized in that: described food freshness pick-up unit also comprises the warning device that is connected with analysis controlling unit, and described warning device is arranged in the refrigerator control panel.
10. according to the described refrigerator of each claim of claim 6-9, it is characterized in that: described getter device is a circulating fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210036422.5A CN102636433B (en) | 2012-02-17 | 2012-02-17 | A kind of food freshness detection means and the refrigerator using this device |
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| CN201210036422.5A CN102636433B (en) | 2012-02-17 | 2012-02-17 | A kind of food freshness detection means and the refrigerator using this device |
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| CN102636433A true CN102636433A (en) | 2012-08-15 |
| CN102636433B CN102636433B (en) | 2017-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103940970A (en) * | 2013-01-23 | 2014-07-23 | 海尔集团公司 | Refrigeration equipment smell detection method, detection device and refrigeration equipment |
| CN104864675A (en) * | 2015-06-10 | 2015-08-26 | 安庆市凌康机电产品设计有限公司 | Refrigerator component having reminding function |
| CN105222506A (en) * | 2015-08-21 | 2016-01-06 | 合肥华凌股份有限公司 | Gas concentration method for early warning, gas concentration prior-warning device and refrigerator |
| CN105286317A (en) * | 2015-10-28 | 2016-02-03 | 泉州市永茂电子科技有限公司 | Novel electric fresh keeping cabinet |
| CN105637356A (en) * | 2013-08-01 | 2016-06-01 | 三星电子株式会社 | Gas sensor module, refrigerator including same and control method therefor |
| CN106196824A (en) * | 2016-09-07 | 2016-12-07 | 中山市联润五金机械有限公司 | Intelligent alarm refrigerator |
| CN106802055A (en) * | 2017-02-06 | 2017-06-06 | 青岛海尔股份有限公司 | A kind of refrigerator reminded with food fresh keeping degree and its method |
| CN106871570A (en) * | 2017-01-22 | 2017-06-20 | 浙江大学 | A kind of device based on various dietary regimens in single multispectral imaging unit detection refrigerating chamber |
| CN107025776A (en) * | 2017-03-28 | 2017-08-08 | 联想(北京)有限公司 | Intelligent reminding equipment, method |
| CN108507272A (en) * | 2018-04-12 | 2018-09-07 | 安徽康佳同创电器有限公司 | A kind of identification based on refrigerator is gone bad food variety method and refrigerator |
| CN108872486A (en) * | 2018-07-03 | 2018-11-23 | 佛山市影腾科技有限公司 | A kind of refrigerator with array gas sensor |
| CN109541156A (en) * | 2018-11-10 | 2019-03-29 | 江苏华升面粉有限公司 | A kind of old wheat detection device of flour mill |
| CN110895082A (en) * | 2019-11-15 | 2020-03-20 | 珠海格力电器股份有限公司 | Refrigerator control method and device, computer readable storage medium and refrigerator |
| CN112880288A (en) * | 2019-11-29 | 2021-06-01 | 青岛海高设计制造有限公司 | Control method and device for refrigerator and refrigerator |
| CN113494792A (en) * | 2020-03-20 | 2021-10-12 | 海信集团有限公司 | Refrigerator with a door |
| CN113803937A (en) * | 2021-09-26 | 2021-12-17 | 珠海格力电器股份有限公司 | Refrigerator smell detection structure and refrigerator |
| CN114958579A (en) * | 2022-05-30 | 2022-08-30 | 重庆电子工程职业学院 | Mould detection lamp for special crowds |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940970A (en) * | 2013-01-23 | 2014-07-23 | 海尔集团公司 | Refrigeration equipment smell detection method, detection device and refrigeration equipment |
| CN105637356B (en) * | 2013-08-01 | 2018-09-18 | 三星电子株式会社 | Gas sensor module includes the refrigerator and its control method of gas sensor module |
| CN105637356A (en) * | 2013-08-01 | 2016-06-01 | 三星电子株式会社 | Gas sensor module, refrigerator including same and control method therefor |
| CN104864675A (en) * | 2015-06-10 | 2015-08-26 | 安庆市凌康机电产品设计有限公司 | Refrigerator component having reminding function |
| CN105222506B (en) * | 2015-08-21 | 2018-01-16 | 合肥华凌股份有限公司 | Gas concentration method for early warning, gas concentration prior-warning device and refrigerator |
| CN105222506A (en) * | 2015-08-21 | 2016-01-06 | 合肥华凌股份有限公司 | Gas concentration method for early warning, gas concentration prior-warning device and refrigerator |
| CN105286317A (en) * | 2015-10-28 | 2016-02-03 | 泉州市永茂电子科技有限公司 | Novel electric fresh keeping cabinet |
| CN106196824A (en) * | 2016-09-07 | 2016-12-07 | 中山市联润五金机械有限公司 | Intelligent alarm refrigerator |
| CN106871570A (en) * | 2017-01-22 | 2017-06-20 | 浙江大学 | A kind of device based on various dietary regimens in single multispectral imaging unit detection refrigerating chamber |
| CN106871570B (en) * | 2017-01-22 | 2019-04-30 | 浙江大学 | A kind of device based on a variety of dietary regimens in single multispectral imaging unit detection refrigerating chamber |
| CN106802055A (en) * | 2017-02-06 | 2017-06-06 | 青岛海尔股份有限公司 | A kind of refrigerator reminded with food fresh keeping degree and its method |
| CN107025776A (en) * | 2017-03-28 | 2017-08-08 | 联想(北京)有限公司 | Intelligent reminding equipment, method |
| CN107025776B (en) * | 2017-03-28 | 2020-06-23 | 联想(北京)有限公司 | Intelligent reminding equipment and method |
| CN108507272A (en) * | 2018-04-12 | 2018-09-07 | 安徽康佳同创电器有限公司 | A kind of identification based on refrigerator is gone bad food variety method and refrigerator |
| CN108872486A (en) * | 2018-07-03 | 2018-11-23 | 佛山市影腾科技有限公司 | A kind of refrigerator with array gas sensor |
| CN109541156A (en) * | 2018-11-10 | 2019-03-29 | 江苏华升面粉有限公司 | A kind of old wheat detection device of flour mill |
| CN110895082A (en) * | 2019-11-15 | 2020-03-20 | 珠海格力电器股份有限公司 | Refrigerator control method and device, computer readable storage medium and refrigerator |
| CN112880288A (en) * | 2019-11-29 | 2021-06-01 | 青岛海高设计制造有限公司 | Control method and device for refrigerator and refrigerator |
| CN112880288B (en) * | 2019-11-29 | 2024-01-19 | 青岛海高设计制造有限公司 | Control method and device for refrigerator and refrigerator |
| CN113494792A (en) * | 2020-03-20 | 2021-10-12 | 海信集团有限公司 | Refrigerator with a door |
| CN113494792B (en) * | 2020-03-20 | 2022-08-16 | 海信集团有限公司 | Refrigerator with a door |
| CN113803937A (en) * | 2021-09-26 | 2021-12-17 | 珠海格力电器股份有限公司 | Refrigerator smell detection structure and refrigerator |
| CN114958579A (en) * | 2022-05-30 | 2022-08-30 | 重庆电子工程职业学院 | Mould detection lamp for special crowds |
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