CN219858586U - Fresh-keeping device suitable for vegetables and fruits - Google Patents
Fresh-keeping device suitable for vegetables and fruits Download PDFInfo
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- CN219858586U CN219858586U CN202321069261.XU CN202321069261U CN219858586U CN 219858586 U CN219858586 U CN 219858586U CN 202321069261 U CN202321069261 U CN 202321069261U CN 219858586 U CN219858586 U CN 219858586U
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- box
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- air
- box body
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- 235000013399 edible fruits Nutrition 0.000 title claims abstract description 15
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 150000001450 anions Chemical class 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005485 electric heating Methods 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a fresh-keeping device suitable for vegetables and fruits, which comprises a box body and a refrigerating unit, wherein a box door is arranged on the box body, a one-way valve is arranged on the top of the box body, a temperature sensor and an oxygen sensor are arranged at the top in the box body, a treatment box, a control unit and a liquid nitrogen storage tank are arranged on the side wall of the box body, the top of the treatment box is connected with a fan, the fan is connected to the top of the box body, an electric heating tube, an evaporator and a negative ion generator are arranged in the treatment box, the bottom of the treatment box is connected with a jet pipe, a nozzle is arranged on the jet pipe, the jet pipe penetrates through the bottom of the box body and is connected with the liquid nitrogen storage tank, an electromagnetic valve connected with the jet pipe is arranged on the liquid nitrogen storage tank, and the refrigerating unit is connected with the evaporator. The utility model can rapidly discharge the air in the box body to further relieve the breath of fruits and vegetables, can also improve the temperature in the box body when the ambient temperature is lower, can sterilize the air in the box body, and greatly improves the fresh-keeping effect on the fruits and vegetables.
Description
Technical Field
The utility model belongs to the technical field of fresh-keeping devices, and particularly relates to a fresh-keeping device suitable for vegetables and fruits.
Background
The "respiration" of plants under the dark condition means that oxygen is inhaled to exhale carbon dioxide, and in order to reduce the "respiration" of vegetables and fruits to prolong the fresh-keeping period, the vegetables and fruits (hereinafter referred to as fruits and vegetables) are usually required to be refrigerated and kept fresh at low temperature, and most fruits and vegetables are suitable for being refrigerated and stored at 2-6 ℃. In the prior art, the fruit and vegetable fresh-keeping devices are commonly fresh-keeping devices such as a refrigerator and a refrigerator, and the fresh-keeping devices are all provided with a refrigerating unit, the fruits and vegetables are put into the fresh-keeping device and then are closed, cold air can be conveyed into the fresh-keeping device through the refrigerating unit to carry out refrigeration fresh-keeping, but when the fresh-keeping device is used in daily life, the door is required to be frequently opened and closed to take and put the fruits and vegetables, so that a large amount of air (oxygen) is mixed in the fresh-keeping device easily, and the oxygen is easy to promote the aggravation of the respiration of the fruits and vegetables, so that the refrigeration and the fresh-keeping of the fruits and vegetables are not facilitated; in most areas of China, the temperature is often too low in winter, but the existing fruit and vegetable fresh-keeping device does not have the heating and sterilizing functions, so that when the environment temperature is too low, external cold air is easy to mix into the fresh-keeping device due to frequent opening and closing of a door, the temperature in the fresh-keeping device is lower than the proper fresh-keeping temperature, and the fresh-keeping effect is affected; in addition, in the long-term use process, bacteria are easy to breed in the fresh-keeping warehouse, and a large amount of bacteria easily cause deterioration of fruits and vegetables and are unfavorable for eating sanitation.
Disclosure of Invention
The utility model provides a fresh-keeping device suitable for vegetables and fruits, which aims to solve the technical problems in the prior art.
The utility model adopts the technical scheme that:
the utility model provides a fresh-keeping device suitable for vegetables and fruit, includes box and refrigerating unit, is equipped with chamber door, its characterized in that on the box: the utility model discloses a refrigerator, including box, control unit, refrigerator, control unit, air ejector, temperature sensor and oxygen sensor are equipped with on the box top, be equipped with on the box lateral wall and handle case, control unit and liquid nitrogen holding vessel, it is connected with the fan to handle the case top, the fan connect in the box top, be equipped with electrothermal tube, evaporimeter and anion generator in the processing case, it is connected with the air ejector to handle the bottom of the case portion, be equipped with a plurality of spouts on the air ejector, the air ejector wear to locate the bottom of the case portion and connect in the liquid nitrogen holding vessel, be equipped with on the liquid nitrogen holding vessel connect in the solenoid valve of air ejector, the refrigerator group connect in the evaporimeter, control unit electricity connect in temperature sensor, oxygen sensor, electrothermal tube, anion generator and refrigerator group.
Further, the refrigerating unit comprises a support and an air conditioning compressor, wherein the support is arranged on the processing box, a radiator and an electronic fan are arranged on the support, the air conditioning compressor is connected with the evaporator and the radiator through a low-pressure pipe and a high-pressure pipe respectively, the radiator is connected with the evaporator through a high-pressure pipe II, and the control unit is electrically connected with the electronic fan and the air conditioning compressor.
Further, the number of the brackets is two, the two brackets are respectively arranged on two sides of the air conditioner compressor, two sides of the radiator and the electronic fan are respectively connected to the two brackets, and the electronic fan is positioned between the air conditioner compressor and the radiator.
Further, a plurality of ultraviolet lamps are arranged in the treatment box.
Further, a plurality of storage racks are arranged in the box body.
Further, the fans are connected to the top of the box body and the top of the treatment box through an air suction pipe and an air discharge pipe respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the concentration of oxygen in the box body is detected by utilizing the oxygen sensor and is higher than a set concentration value, the electromagnetic valve is controlled to enable the liquid nitrogen storage tank to convey nitrogen into the box body, so that air (oxygen) mixed into the box body can be rapidly discharged, further inhibition of 'breathing' of fruits and vegetables is facilitated, meanwhile, the growth of bacteria can be inhibited by utilizing the nitrogen, and further the fresh-keeping effect is improved.
2. Utilize temperature sensor to detect the temperature in the box, when the temperature is less than the settlement temperature value in the box, accessible electric heat pipe heats, carries the steam in the box with the improvement box internal temperature through the fan, and when the temperature is more than the settlement temperature value in the box, carries the air refrigeration in the processing box through the evaporimeter, carries the air conditioning in the processing box in the box with the reduction box internal temperature through the fan, can realize keeping constant temperature fresh fast, has improved fresh-keeping effect greatly.
3. Negative ions are generated by the negative ion generator, the negative ions are conveyed into the box body by the fan for preservation and sterilization, and the air conveyed into the processing box is subjected to secondary sterilization by the ultraviolet lamp, so that the sterilization effect can be further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an enlarged view at a in fig. 1;
FIG. 3 is a schematic view of the internal structure of the present utility model;
FIG. 4 is an enlarged view at B in FIG. 2;
in the figure: 1. an air suction pipe; 2. a one-way valve; 3. a control unit; 4. a liquid nitrogen storage tank; 5. an electromagnetic valve; 6. a door; 7. a case; 8. a gas lance; 9. a temperature sensor; 10. an oxygen sensor; 11. a spout; 12. a commodity shelf; 13. a blower; 14. an exhaust pipe; 15. a treatment box; 16. a low pressure tube; 17. a first high-pressure pipe; 18. a bracket; 19. a heat sink; 20. an electronic fan; 21. an air conditioner compressor; 22. a second high-pressure pipe; 23. a negative ion generator; 24. an evaporator; 25. an electric heating tube; 26. an ultraviolet lamp.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are provided below and the present utility model is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, there is provided a fresh-keeping apparatus suitable for vegetables and fruits, comprising a box 7 and a refrigerating unit, wherein the front side of the box 7 is hinged with a box door 6, the box door 6 can be locked on the box 7 through the door 6, the fruit and vegetable can be conveniently taken and placed through the box door 6, a one-way valve 2 is arranged on the top of the box 7, the air inside the box 7 can flow to the outside by using the one-way valve 2, the air outside can not flow into the box 7, a temperature sensor 9 and an oxygen sensor 10 are arranged on the top inside the box 7, the temperature sensor 9 is made of the Hao technology limited company in the Shenzhen city, the model PT100, the oxygen sensor 10 is made of the Hunan field sensor limited company, the model BRW100-G102A is fixedly arranged on the left side wall of the box 7, a treatment box 15 is fixedly arranged on the right side wall of the box 7, a control unit 3 and a liquid nitrogen storage tank 4 are fixedly arranged on the right side wall of the box 7, the control unit 3 is made of the Siemens rt200PLC, a fan 13 is arranged on the top of the treatment box 15, the air inlet end of the fan 13 is connected to the top of the box body 7 through an air suction pipe 1, the air outlet end of the fan 13 is connected to the top of the treatment box 15 through an air exhaust pipe 14, the fan 13 is manufactured by Jiangsu full-air environmental protection technology Co., ltd, model RB-81D-3/0.75, an electric heating pipe 25, an evaporator 24 and a negative ion generator 23 are arranged in the treatment box 15, the negative ion generator 23 is manufactured by Chuangpu electronic power supplier, model TFB-Y49, the electric heating pipe 25 is manufactured by Jiangsu Xingtai electric Co., ltd, model XTDR-008, the bottom of the treatment box 15 is connected with a hard air injection pipe 8, a plurality of nozzles 11 are arranged on the air injection pipe 8, the aperture of the nozzles 11 is 0.1 to 0.15mm, the air injection pipe 8 penetrates through the bottom of the box body 7 and is connected to a liquid nitrogen storage tank 4, an electromagnetic valve 5 is arranged on the liquid nitrogen storage tank 4, the electromagnetic valve 5 is manufactured by Chongqing giant valve Co., ltd, model ZC01-1B-0.6, solenoid valve 5 is connected in the right-hand member of jet tube 8, and the refrigerating unit is connected in evaporimeter 24, and control unit 3 electricity is connected in temperature sensor 9, oxygen sensor 10, electrothermal tube 25, anion generator 23 and refrigerating unit.
Specifically, the refrigerating unit includes a bracket 18 and an air-conditioning compressor 21 that are fixedly disposed on the processing box 15, a radiator 19 and an electronic fan 20 are fixedly disposed on the bracket 18, the air-conditioning compressor 21 is connected to the evaporator 24 and the radiator 19 through a low-pressure pipe 16 and a high-pressure pipe 17, the radiator 19 is connected to the evaporator 24 through a high-pressure pipe 22, and the control unit 3 is electrically connected to the electronic fan 20 and the air-conditioning compressor 21.
Specifically, the number of the brackets 18 is two, the two brackets 18 are respectively located on two sides of the air conditioner compressor 21, two sides of the radiator 19 and the electronic fan 20 are respectively connected to the two brackets 18, the supporting effect on the radiator 19 and the electronic fan 20 is improved, the electronic fan 20 is located between the air conditioner compressor 21 and the radiator 19, and the electronic fan 20 can be used for simultaneously radiating heat of the air conditioner compressor 21 and the radiator 19.
Specifically, a plurality of ultraviolet lamps 26 are disposed in the treatment tank 15, and the ultraviolet lamps 26 can sterilize the air in the treatment tank 15.
Specifically, a plurality of shelves 12 for placing fruits and vegetables are arranged in the box body 7.
When the novel refrigerator is used, the temperature in the refrigerator 7 can be detected through the temperature sensor 9, when the temperature in the refrigerator 7 is higher than a set temperature value (6 ℃), the control unit 3 controls the fan 13, the air-conditioning compressor 21 and the electronic fan 20 to work, the air-conditioning compressor 21 compresses a cooling medium and conveys the cooling medium to the radiator 19 through the first high-pressure pipe 17 to radiate heat, the cooled cooling medium is conveyed to the evaporator 24 through the second high-pressure pipe 22 to expand the volume of the evaporator to absorb heat for refrigeration, the cooling medium in the evaporator 24 is conveyed to the air-conditioning compressor 21 through the low-pressure pipe 16 to be compressed again, the air at the top of the refrigerator 7 is extracted through the air suction pipe 1 in the process of refrigerating, the air is conveyed to the top of the processing box 15 through the air discharge pipe 14, and the air flow flows through the evaporator 24 to be conveyed to the bottom of the refrigerator 7 through the air injection pipe 8 after heat exchange; when the temperature sensor 9 detects that the temperature in the box body 7 is lower than the set temperature value (2 ℃), the control unit 3 controls the electric heating tube 25 to heat, and hot air is conveyed into the box body 7 through the fan 13 to improve the temperature in the box body 7, so that constant-temperature fresh-keeping can be realized quickly, and the fresh-keeping effect is greatly improved;
after air is mixed into the box body 7, the oxygen concentration in the box body 7 is detected by utilizing the oxygen sensor 10, when the oxygen concentration is higher than a set concentration value (3%), the control unit 3 controls the electromagnetic valve 5 to be opened, so that the liquid nitrogen storage tank 4 conveys nitrogen into the box body 7 through the air injection pipe 8, air in the box body 7 is discharged through the one-way valve 2, air (oxygen) mixed into the box body 7 can be rapidly discharged, further fruit and vegetable breathing is restrained, and the fresh-keeping effect is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (6)
1. The utility model provides a fresh-keeping device suitable for vegetables and fruit, includes box and refrigerating unit, is equipped with chamber door, its characterized in that on the box: the utility model discloses a refrigerator, including box, control unit, refrigerator, control unit, air ejector, temperature sensor and oxygen sensor are equipped with on the box top, be equipped with on the box lateral wall and handle case, control unit and liquid nitrogen holding vessel, it is connected with the fan to handle the case top, the fan connect in the box top, be equipped with electrothermal tube, evaporimeter and anion generator in the processing case, it is connected with the air ejector to handle the bottom of the case portion, be equipped with a plurality of spouts on the air ejector, the air ejector wear to locate the bottom of the case portion and connect in the liquid nitrogen holding vessel, be equipped with on the liquid nitrogen holding vessel connect in the solenoid valve of air ejector, the refrigerator group connect in the evaporimeter, control unit electricity connect in temperature sensor, oxygen sensor, electrothermal tube, anion generator and refrigerator group.
2. A fresh-keeping apparatus for vegetables and fruits according to claim 1, wherein: the refrigerating unit is including locating support and air conditioner compressor on the processing case, be equipped with radiator and electronic fan on the support, air conditioner compressor respectively through low pressure pipe and high pressure pipe one connect in evaporimeter and radiator, the radiator through high pressure pipe two connect in the evaporimeter, the control unit electricity connect in electronic fan and air conditioner compressor.
3. A fresh-keeping apparatus for vegetables and fruits according to claim 2, wherein: the number of the brackets is two, the two brackets are respectively arranged on two sides of the air conditioner compressor, two sides of the radiator and the electronic fan are respectively connected to the two brackets, and the electronic fan is positioned between the air conditioner compressor and the radiator.
4. A fresh-keeping apparatus for vegetables and fruits according to claim 1, wherein: a plurality of ultraviolet lamps are arranged in the processing box.
5. A fresh-keeping apparatus for vegetables and fruits according to claim 1, wherein: a plurality of storage racks are arranged in the box body.
6. A fresh-keeping apparatus for vegetables and fruits according to claim 1, wherein: the fan is connected to the top of the box body and the top of the treatment box through an air suction pipe and an air discharge pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069261.XU CN219858586U (en) | 2023-05-06 | 2023-05-06 | Fresh-keeping device suitable for vegetables and fruits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321069261.XU CN219858586U (en) | 2023-05-06 | 2023-05-06 | Fresh-keeping device suitable for vegetables and fruits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219858586U true CN219858586U (en) | 2023-10-20 |
Family
ID=88324738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321069261.XU Active CN219858586U (en) | 2023-05-06 | 2023-05-06 | Fresh-keeping device suitable for vegetables and fruits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219858586U (en) |
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2023
- 2023-05-06 CN CN202321069261.XU patent/CN219858586U/en active Active
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| GR01 | Patent grant |