CN109387005A - A kind of refrigerator - Google Patents

A kind of refrigerator Download PDF

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Publication number
CN109387005A
CN109387005A CN201710694177.XA CN201710694177A CN109387005A CN 109387005 A CN109387005 A CN 109387005A CN 201710694177 A CN201710694177 A CN 201710694177A CN 109387005 A CN109387005 A CN 109387005A
Authority
CN
China
Prior art keywords
detection
light source
air
shell
line receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710694177.XA
Other languages
Chinese (zh)
Other versions
CN109387005B (en
Inventor
王行飞
陈建华
刘戈
王青山
倪治明
茅忠群
诸永定
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fotile Kitchen Ware Co Ltd
Original Assignee
Ningbo Fotile Kitchen Ware Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Fotile Kitchen Ware Co Ltd filed Critical Ningbo Fotile Kitchen Ware Co Ltd
Priority to CN201710694177.XA priority Critical patent/CN109387005B/en
Publication of CN109387005A publication Critical patent/CN109387005A/en
Application granted granted Critical
Publication of CN109387005B publication Critical patent/CN109387005B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/041Treating air flowing to refrigeration compartments by purification

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The present invention relates to a kind of refrigerators, it is characterized by comprising the cabinets having for storing the inner space of food, it is characterized by: including the air pump for extracting air in housing interior volume in the cabinet, the organic matter detection sensor being connect with air pump output end, wherein the organic matter sensor includes the light source that can issue ultraviolet light, and the detection components that can detect content of organics in air with light source cooperation.Compared with prior art, the present invention has the advantages that extracting air into organic matter sensor by aspiration pump, organic matter sensor can effectively detect in interior refrigerator space content of organics in air, and the content of organics in air is shown by display screen.

Description

A kind of refrigerator
Technical field
The present invention relates to a kind of refrigerators.
Background technique
Household electrical appliance of the refrigerator as every household indispensability, inside be easy to occur food mildew, bacteria breed.If mildew Food cannot move away in time or refrigerator cavity in bacteria breed, it is easy to keep refrigerator inside smelly, other are normal to store up Collection also will receive pollution.
Currently, part refrigerator has cavity self-cleaning function, as ultraviolet lamp sterilization, anion generator generate anion and kill The processing modes such as bacterium.It is therefore desirable to first judge whether the intracorporal food of refrigerator chamber goes mouldy or bacteria breed, develop it is a kind of can be from Content of organics and content of organics variation in air in dynamic detection refrigerator cavity, judge whether to occur food mildew or Bacteria breed reminds user to carry out cleaning cleaning to refrigerator in time, can be according to content of organics in the air monitored, intelligence Self-cleaning function is run in control chamber body, with the treatment effect for being optimal.
Summary of the invention
It can real-time detection cavity sky the technical problem to be solved by the present invention is to provide one kind for the above-mentioned prior art The refrigerator of content of organics in gas.
The technical scheme of the invention to solve the technical problem is: a kind of refrigerator, including have for storing food The cabinet of the inner space of object, it is characterised in that: include the gas for extracting air in housing interior volume in the cabinet Pump, the organic matter detection sensor being connect with air pump output end, wherein the organic matter sensor includes that can issue ultraviolet light Light source, and the detection components that can detect content of organics in air with light source cooperation, which includes
The detection pipe that can be penetrated by the ultraviolet light that the light source issues, the output end of air pump are connected to the detection pipe;
The ultraviolet line receiver of detection group issues from the light source for detecting and penetrates the ultraviolet light after the detection pipe Intensity;
Circuit board, the ultraviolet line receiver of detection group are connect with circuit board, and the circuit board is used for according to detection group ultraviolet light The received uitraviolet intensity of receiver is calculated through the content of organics in detection inner air tube;
Display screen is connect with circuit board, for showing the content of organics in housing interior volume in air.
As an improvement, the organic matter detection sensor further includes control component, which includes:
The control tube that can be penetrated by the ultraviolet light that the light source issues, control tube inner vacuum or setting pure water;
The ultraviolet line receiver of control group issues from the light source for detecting and penetrates the ultraviolet light after the control tube Intensity;
The ultraviolet line receiver of control group is also connect with circuit board, and circuit board is according to the received purple of the ultraviolet line receiver of detection group Outside line intensity and the received uitraviolet intensity of the ultraviolet line receiver of control group are organic in inner air tube by detecting to calculate Object content.
It improves again, the organic matter sensor further includes shell, and light source accommodating cavity is equipped in the shell, and the light source is set It sets in light source accommodating cavity;The detection pipe accommodating cavity being connected to light source accommodating cavity is additionally provided in the shell, detection pipe setting exists In detection pipe accommodating cavity;The ultraviolet line receiver setting of detection group is in shell and opposite with detection pipe.
It improves again, isolation shading protective case is arranged with outside the light source, setting exists after light source is arranged isolation shading protective case In the light source accommodating cavity of shell or it is threaded through in light source accommodating hole;Detection light loophole is provided on isolation shading protective case;It is described The ultraviolet light that light source issues reaches the ultraviolet line receiver of detection group by penetrating the detection pipe after detection light loophole again.
It improves again, the inlet suction port and air outlet adapter connected respectively with detection pipe both ends is connected on the shell.
It improves again, the position that inlet suction port and air outlet adapter are connect with detection pipe both ends is equipped with sealing ring.
It improves again, the circuit board is fixed on shell, and it is logical that the detection light being connected to detection pipe accommodating cavity is equipped in shell Road, the ultraviolet line receiver of detection group are located in detection optical channel after being fixed on circuit board.
It improves again, the control component is symmetricly set on the two opposite sides of light source accommodating cavity with detection components.
It improves again, the insulation blocking, which is put on, to be provided with to irradiation loophole, the detection light loophole and described to irradiation Loophole is symmetricly set on isolation shading protective case two opposite sides.
It improves, is equipped in the shell and the control tube accommodating cavity that irradiation loophole is connected to, control tube setting again In control tube accommodating cavity;The ultraviolet line receiver setting of control group is in shell and opposite with control tube, to make described The ultraviolet light that light source issues is by reaching the ultraviolet line receiver of control group to penetrating the control tube after irradiation loophole again.
It improves again, the air filter of the solid particle in for filtering air is equipped in front of the aspiration pump.
Compared with the prior art, the advantages of the present invention are as follows: air is extracted into organic matter sensor by aspiration pump, is had Machine object sensor can effectively detect in interior refrigerator space content of organics in air, and the content of organics in air is passed through Display screen is shown.
Detailed description of the invention
Fig. 1 is the schematic diagram of refrigerator in the embodiment of the present invention one;
Fig. 2 is the schematic perspective view of organic matter detection sensor in the embodiment of the present invention one;
Fig. 3 is the three-dimensional cutaway view of organic matter detection sensor in the embodiment of the present invention one;
Fig. 4 is the stereogram exploded view of organic matter detection sensor in the embodiment of the present invention one;
Fig. 5 is the stereogram exploded view at another visual angle of organic matter detection sensor in the embodiment of the present invention one;
Fig. 6 is the schematic diagram of refrigerator in the embodiment of the present invention two.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one
Refrigerator as shown in Figure 1, including having a cabinet 101 for storing the inner space 102 of food, in cabinet 101 It include the air pump 104 for extracting air, the organic matter detection sensor 105 connecting with air pump output end is set on cabinet 101 It is equipped with the display screen 108 for being used to show content of organics connecting with organic matter sensor.
In the present embodiment, organic matter detection sensor referring to fig. 2~5 shown in comprising the light source 1 of ultraviolet light can be issued, And the detection components that can detect content of organics in air with the light source 1 cooperation, and for being matched with detection components Control component.
Wherein, the detection components include
The detection pipe 2 that can be penetrated by the ultraviolet light that the light source 1 issues, the output end of air pump 104 are connected to detection pipe 2;
The ultraviolet line receiver 3 of detection group is issued from the light source 1 and is penetrated ultraviolet after the detection pipe 2 for detecting The intensity of line;
Control component includes:
The control tube 6 that can be penetrated by the ultraviolet light that the light source 1 issues, 6 inner vacuum of control tube or setting pure water;
The ultraviolet line receiver 5 of control group is issued from the light source 1 and is penetrated ultraviolet after the control tube 6 for detecting The intensity of line;
The ultraviolet line receiver 3 of above-mentioned detection group and the ultraviolet line receiver 5 of control group are connect with circuit board 4, and circuit board 4 According to the detection group received uitraviolet intensity of ultraviolet line receiver 3 and the received uitraviolet intensity of the ultraviolet line receiver 5 of control group To calculate through content of organics in air in detection pipe 2.
In the present embodiment, organic matter detection sensor includes the shell assembled by first shell 7a and second shell 7b 7, shell is equipped with the light source accommodating cavity for allowing light source to pass through in 7 middle part, and light source 1 is threaded through in light source accommodating cavity;First shell 7a It is inside additionally provided with the detection pipe accommodating cavity being connected to light source accommodating cavity, detection pipe 2 is arranged in detection pipe accommodating cavity;The detection group Ultraviolet line receiver setting is in first shell 7a and opposite with detection pipe 2.It is equipped in second shell 7b and connects with light source accommodating hole Logical control tube accommodating cavity, control tube 6 are arranged in control tube accommodating cavity;The ultraviolet line receiver 5 of control group is arranged in second shell It is in body 7b and opposite with control tube 6.
Isolation shading protective case 8 is arranged with outside light source 1,8 energy effective protection shell 7 of isolation shading protective case is not by ultraviolet light Injury;Light source 1 is threaded through in the light source accommodating hole of shell 7 after being arranged isolation shading protective case 8;It is opened on isolation shading protective case 8 There is detection light loophole 81;The ultraviolet light that the light source 1 issues is arrived by penetrating the detection pipe 2 again after detection light loophole 81 Up to the ultraviolet line receiver 3 of the detection group.It is also provided on isolation shading protective case 8 to irradiation loophole 82;The light source 1 issues Ultraviolet light by reaching the ultraviolet line receiver 5 of the control group to penetrating the control tube 6 after irradiation loophole 82 again.
The inlet suction port 71 and air outlet adapter 72 connected respectively with 2 both ends of detection pipe, air inlet are connected on first shell 7a The position that connector 71 and air outlet adapter 72 are connect with 2 both ends of detection pipe is equipped with sealing ring 73.
Circuit board 4 can be fixed on first shell 7a, can also be fixed on second shell 7b, in the present embodiment, electricity Road plate 4 is fixed on first shell 7a, and the ultraviolet line receiver 5 of control group is mounted on side plate, and side plate is fixed on second shell 7b On, the output end of the ultraviolet line receiver 5 of control group is connect by conducting wire with circuit board 4.
The detection optical channel 74 being connected to detection pipe accommodating cavity is equipped in first shell 7a, the detection group ultraviolet light receives Device 3 is fixed to be located in detection optical channel 74 afterwards on the circuit board 4;Pair being connected to control tube accommodating cavity is equipped in second shell 7b Irradiation channel 75, the ultraviolet line receiver 5 of control group are located in control optical channel 75 after being fixed on side plate.
In this example, the control component is symmetricly set on the two opposite sides of light source accommodating hole with detection components, it may be assumed that control Component and detection components are symmetrical arranged;Screening is isolated in the detection light loophole 81 and described be symmetricly set on to irradiation loophole 82 8 two opposite sides of light protective case;The benefit being arranged in this way is that the ultraviolet light that the ultraviolet light of detection group intake is absorbed with control group comes from Very little is differed in the original light intensity of the same circumferential position of light source 1, therefore the ultraviolet light of the two intake.
The detection method of organic matter detection sensor in the present embodiment comprising following steps:
Control tube 6 is vacuumized, or pours pure water in control tube 6 by step (1), opens the light source 1, circuit board 4 The uitraviolet intensity value that the ultraviolet line receiver 5 of this control group receives is recorded, and the uitraviolet intensity value is denoted as the first purple Outside line intensity reference point;
Step (2) prepares the control air sample that known to N parts of content of organics and content is all different, and keeps the light Source 1 is opened, this N parts of control air sample is then passed sequentially through the control tube 6 respectively, circuit board 4 successively records N parts of controls The uitraviolet intensity value that the ultraviolet line receiver 5 of control group receives when air sample flows through control tube 6, and the N of acquisition part is purple Outside line intensity value be denoted as respectively the second uitraviolet intensity reference point, third uitraviolet intensity reference point ... N+1 ultraviolet light is strong Reference point is spent, wherein N is the natural number more than or equal to 3;
Step (3), the N part uitraviolet intensity reference point obtained according to step (2), obtaining has in a control air sample The table of comparisons between machine object content and uitraviolet intensity reference point;
Step (4) keeps the light source 1 to open, and control tube 6 is vacuumized, or pour pure water in control tube 6;Gas Pumping takes air to be measured, and by the detection pipe 2, and circuit board 4 records the purple that the ultraviolet line receiver 3 of this detection group receives Outside line intensity value, and the uitraviolet intensity value is denoted as uitraviolet intensity detected value, while recording the ultraviolet line receiver 5 of control group The uitraviolet intensity value is denoted as interim uitraviolet intensity reference point by the uitraviolet intensity value received, and interim ultraviolet light is strong Spend reference point divided by the first uitraviolet intensity reference point, obtain intensity of light source attenuation ratio, by uitraviolet intensity detected value multiplied by Intensity of light source attenuation ratio obtains uitraviolet intensity lookup value, then uses the uitraviolet intensity lookup value, passes through query steps 3 tables of comparisons obtained, obtain the content of organics in air to be measured at this time.
Embodiment two
What is different from the first embodiment is that the air filtration dress for the solid particle being equipped in front of aspiration pump in for filtering air Set 107, it is shown in Figure 6.
Since the solid particle (such as PM2.5) in air has barrier effect, different time, in air for light PM2.5 content is different, and light blocking effect is also different, so, in embodiment one, PM2.5 deposits organic matter sensor detection results In certain interference.The present embodiment can be preferably minimized this interference.Since the volume of solid particle in air is far longer than The organic matters volume such as bacterium, formaldehyde, organic benzene, organic, so, solid particle can be effectively blocked by air filter in air Come, and needs the organic matter detected that can pass through filter device, and air filter plays one for organic matter sensor Fixed protective effect.

Claims (10)

1. a kind of refrigerator, including having the cabinet (101) for storing the inner space (102) of food, it is characterised in that: described Include the air pump (104) for extracting housing interior volume (102) interior air in cabinet (101), is connect with air pump output end Organic matter detection sensor (105), wherein the organic matter sensor includes the light source (1) that can issue ultraviolet light, and with institute The detection components that can detect content of organics in air of light source (1) cooperation are stated, which includes
The detection pipe (2) that can be penetrated by the ultraviolet light that the light source (1) issues, the output end of air pump (104) and the detection pipe (2) Connection;
The ultraviolet line receiver of detection group (3), for detect from the light source (1) sending and penetrating the purple after the detection pipe (2) The intensity of outside line;
Circuit board (4), the ultraviolet line receiver of detection group (3) are connect with circuit board (4), and the circuit board (4) is used for according to detection The received uitraviolet intensity of the ultraviolet line receiver (3) of group is calculated through the content of organics in detection pipe (2) interior air;
Display screen (108) is connect with circuit board (4), for showing the content of organics in housing interior volume in air.
2. refrigerator according to claim 1, it is characterised in that: the organic matter detection sensor further includes control component, The control component includes:
The control tube (6) that can be penetrated by the ultraviolet light that the light source (1) issues, control tube (6) inner vacuum or setting pure water;
The ultraviolet line receiver of control group (5), for detect from the light source (1) sending and penetrating the purple after the control tube (6) The intensity of outside line;
The ultraviolet line receiver of control group (5) is also connect with circuit board (4), and circuit board (4) is according to the ultraviolet line receiver of detection group (3) Received uitraviolet intensity and the ultraviolet line receiver of control group (5) received uitraviolet intensity are calculated through detection pipe (2) Content of organics in interior air.
3. refrigerator according to claim 2, it is characterised in that: the organic matter sensor further includes shell (7), the shell Light source accommodating cavity is equipped in body (7), the light source (1) is arranged in light source accommodating cavity;It is additionally provided in the shell (7) and light source The detection pipe accommodating cavity of accommodating cavity connection, detection pipe (2) are arranged in detection pipe accommodating cavity;The ultraviolet line receiver of detection group (3) setting is in shell (7) and opposite with detection pipe (2).
4. refrigerator according to claim 3, it is characterised in that: be arranged with isolation shading protective case outside the light source (1) (8), light source (1) is arranged isolation shading protective case (8) and is arranged in the light source accommodating cavity of shell (7) afterwards;Shading protective case is isolated (8) detection light loophole (81) are provided on;The ultraviolet light that the light source (1) issues by penetrating again after detection light loophole (81) The detection pipe (2) reaches the ultraviolet line receiver of detection group (3).
5. refrigerator according to claim 3, it is characterised in that: be connected on the shell (7) respectively with detection pipe (2) two Termination logical inlet suction port (71) and air outlet adapter (72).
6. refrigerator according to claim 5, it is characterised in that: the inlet suction port (71) and air outlet adapter (72) and detection The position for managing the connection of (2) both ends is equipped with sealing ring (73).
7. refrigerator according to claim 3, it is characterised in that: the circuit board (4) is fixed on shell (7), shell (7) It is interior equipped with the detection optical channel (74) being connected to detection pipe accommodating cavity, the ultraviolet line receiver of detection group (3) is fixed on circuit It is located in detection optical channel (74) after on plate (4).
8. refrigerator according to claim 4, it is characterised in that: the control component and detection components are symmetricly set on light source The two opposite sides of accommodating cavity are provided with to irradiation loophole (82), the detection light loophole (81) on the insulation blocking sleeve (8) Isolation shading protective case (8) two opposite sides are symmetricly set on to irradiation loophole (82) with described.
9. refrigerator according to claim 8, it is characterised in that: be equipped with described in the shell (7) to irradiation loophole (82) the control tube accommodating cavity being connected to, control tube (6) are arranged in control tube accommodating cavity;The ultraviolet line receiver of control group (5) setting in the shell (7) and with control tube (6) relatively, thus the ultraviolet light for issuing the light source (1) pass through it is saturating to irradiation The control tube (6) are penetrated after unthreaded hole (82) again and reach the ultraviolet line receiver of control group (5).
10. refrigerator according to claim 1, it is characterised in that: be equipped with for filtering air in front of the aspiration pump (104) In solid particle air filter (107).
CN201710694177.XA 2017-08-14 2017-08-14 Refrigerator with a refrigerator body Active CN109387005B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710694177.XA CN109387005B (en) 2017-08-14 2017-08-14 Refrigerator with a refrigerator body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710694177.XA CN109387005B (en) 2017-08-14 2017-08-14 Refrigerator with a refrigerator body

Publications (2)

Publication Number Publication Date
CN109387005A true CN109387005A (en) 2019-02-26
CN109387005B CN109387005B (en) 2024-02-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710694177.XA Active CN109387005B (en) 2017-08-14 2017-08-14 Refrigerator with a refrigerator body

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112033088A (en) * 2020-08-12 2020-12-04 珠海格力电器股份有限公司 Refrigerator and cleaning method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000241313A (en) * 1999-02-17 2000-09-08 Nippon Telegr & Teleph Corp <Ntt> Gas spectrochemical analysis device
CN105675659A (en) * 2016-03-08 2016-06-15 苏州天键衡电子信息科技有限公司 Intelligent portable gas detector
CN205484029U (en) * 2016-01-31 2016-08-17 王乐勇 Food detection device
KR101762394B1 (en) * 2016-06-09 2017-07-27 (주)센코 Photoionization gas sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000241313A (en) * 1999-02-17 2000-09-08 Nippon Telegr & Teleph Corp <Ntt> Gas spectrochemical analysis device
CN205484029U (en) * 2016-01-31 2016-08-17 王乐勇 Food detection device
CN105675659A (en) * 2016-03-08 2016-06-15 苏州天键衡电子信息科技有限公司 Intelligent portable gas detector
KR101762394B1 (en) * 2016-06-09 2017-07-27 (주)센코 Photoionization gas sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112033088A (en) * 2020-08-12 2020-12-04 珠海格力电器股份有限公司 Refrigerator and cleaning method thereof

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