CN204217767U - The anti-frostbite vacuum precooling machine of fruits and vegetables - Google Patents
The anti-frostbite vacuum precooling machine of fruits and vegetables Download PDFInfo
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- CN204217767U CN204217767U CN201420559451.4U CN201420559451U CN204217767U CN 204217767 U CN204217767 U CN 204217767U CN 201420559451 U CN201420559451 U CN 201420559451U CN 204217767 U CN204217767 U CN 204217767U
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Abstract
The utility model discloses the anti-frostbite vacuum precooling machine of a kind of fruits and vegetables, the pumped vacuum systems comprising frame, be provided with the casing of fruits and vegetables loading space, automatically control the vacuum of this fruits and vegetables loading space, and the control electronic box controlling that pumped vacuum systems realizes vacuum.During work, control electronic box according to the precooling requirement of agricultural product, when by precooling agricultural product in processing procedure close to set temperature value time, repeatedly exit in casing by being interrupted within the unit interval, vacuum in casing is suitably destroyed, again vacuumizes in casing afterwards, make the mode that the cooling in casing slows down, thus ensure that the temperature of the agricultural product such as the vegetables and fruits of each position in vacuum chamber becomes comparatively even, avoid by the possibility of precooling agricultural product frostbite.Adopt vacuum detecting system to control the pattern of vavuum pump valve opening mutually than ever, have cost low, work is simple efficient, and failure rate is low.Reach and simplify the internal structure of an organization and improve control model, improve the reliability object of equipment.
Description
Technical field
The utility model relates to fruits and vegetables postharvest treatment equipment, specifically the anti-frostbite vacuum precooling machine of a kind of fruits and vegetables.
Background technology
Vacuum pre-cooling utilizes the boiling point reducing water, by being walked the cooling means of heat by precooling agricultural product moisture evaporator strip.During an atmospheric pressure, the boiling point of water is 100 degrees Celsius, when air pressure declines, the boiling point of water decreases, during about 610 handkerchief, the boiling point of water is 0 degree Celsius, vacuum pre-cooling technology utilizes this principle in closed container, change the air pressure in container, under low pressure high-efficiency evaporating, take away a large amount of heat of evaporation by moisture evaporation and cool.Its advantage is: in agricultural product, for the leaf vegetables that body surface area is larger, cooling velocity quickly, the also characteristic such as very even.
And in actual use, during process for different vegetables and fruits or Different Weight vegetables and fruits, in vacuum tank, the temperature lowering curve of vegetables and fruits is all not identical, and especially for the leaf vegetables that a small amount of or surface ratio are comparatively loosened, its cooling rate can be very fast, and but diverse location there will be the larger temperature difference.At present, the problem that industry need solve is: when the processing time of the leaf vegetables agricultural product cooling that moisture easily gasifies is less than certain pre-coo time section, there are agricultural product than the phenomenon being easier to frostbite.This phenomenon causes the economic worth of the vegetables and fruits through precooling treatment to have a greatly reduced quality, and causes larger economic loss and unnecessary waste.
Utility model content
The purpose of this utility model is, for above-mentioned deficiency, there is provided the fruits and vegetables of the vacuum in a kind of automatic control box body anti-frostbite vacuum precooling machine, it act as: can to the precooling freshness retaining of the agricultural product such as vegetables and fruits, flowers after harvesting, for extending storage period and the freshness date of fruit, vegetables, flowers etc., the most important thing is to prevent by precooling agricultural product frostbite, reduce economic loss.
For achieving the above object, technical scheme provided by the utility model is: the anti-frostbite vacuum precooling machine of fruits and vegetables, comprise frame, be located at frame be provided with fruits and vegetables loading space casing, be located in frame and be communicated with the pumped vacuum systems that fruits and vegetables loading space controls the vacuum of this fruits and vegetables loading space automatically, and control the control electronic box that pumped vacuum systems realizes vacuum.
Described pumped vacuum systems comprises vacuumized part, refrigerating part and pneumatic part, and vacuumized part comprises vacuum pump apparatus and the described casing be communicated with vacuum pump apparatus by vacuum lead; Described refrigerating part comprises water capturing installation, throttling arrangement, condenser and compressor, water capturing installation is placed in casing, condenser is located in described frame and is connected with compressor with water capturing installation respectively, compressor is located in frame, refrigerant tubing is connected with between condenser and compressor, throttling arrangement is located between condenser and water capturing installation, and water capturing installation is communicated with described vacuum lead simultaneously, and described pneumatic part is located in frame and is communicated with casing.
Another preferred version of the present utility model, described vacuum pump apparatus is provided with two covers, and two cover vacuum pump apparatus are all located in described frame and are communicated with described casing by described vacuum lead.
Another preferred version of the present utility model, described two cover vacuum pump apparatus are communicated with described water capturing installation respectively.
Another preferred version of the present utility model, described two cover vacuum pump apparatus are communicated with described water capturing installation and are equipped with vacuum control check valve.
Another preferred version of the present utility model, pneumatic part comprises pneumatic operated valve and air compressor machine, and air compressor machine is located in described frame, and pneumatic operated valve is located between air compressor machine and described casing.
Another preferred version of the present utility model, pneumatic part also comprises silencer, and silencer is arranged on described pneumatic operated valve gas outlet end.
Another preferred version of the present utility model, described casing is rectangular-shaped, comprises cavity and the chamber door being located at cavity hatch end, is provided with the drive unit making described door opening or closing in cavity.
Another preferred version of the present utility model, the outer surface of described casing is provided with many equally distributed reinforcements.
Another preferred version of the present utility model, described compressor, two cover vacuum pump apparatus are electrically connected respectively at described control electronic box with air compressor machine.
The beneficial effects of the utility model are: compare conventional art, the utility model operationally, control electronic box according to the precooling requirement of different agricultural product, by detecting in real time temperature in casing, period, when by precooling agricultural product in processing procedure close to set temperature value (higher than setting value 2 DEG C) time, control air compressor machine by pneumatic operated valve within the unit interval, be interrupted and repeatedly exit in casing, vacuum in casing is suitably destroyed, and again start vacuum pump apparatus after some time after vacuum is destroyed and vacuumize in casing, cooling in casing is slowed down, the whole course of work control electronic box control under by vacuum pump apparatus, compressor and air compressor machine realize automatic operation, thus the temperature of the agricultural product such as the vegetables and fruits of guarantee vacuum chamber each position interior becomes comparatively even, avoid by the possibility of precooling agricultural product frostbite.Adopt vacuum detecting system to control the mode of operation of vavuum pump valve opening mutually than ever, there is cost low, the simple feature efficiently of work, and failure rate is low.Reach and simplify the internal structure of an organization and improve control model, improve the reliability object of equipment.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is general assembly structural representation of the present utility model.
Fig. 2 is the partial enlargement structure chart of Fig. 1.
Detailed description of the invention
See Fig. 1 and Fig. 2, the anti-frostbite vacuum precooling machine of the fruits and vegetables that the present embodiment provides, comprise frame 1, be located at frame 1 be provided with fruits and vegetables loading space casing 2, be located in frame 1 and be communicated with the pumped vacuum systems that fruits and vegetables loading space controls the vacuum of this fruits and vegetables loading space automatically, and control the control electronic box 3 that pumped vacuum systems realizes vacuum;
Described pumped vacuum systems comprises vacuumized part, refrigerating part and pneumatic part, vacuumized part comprises vacuum pump apparatus 4 and the described casing 2 be communicated with vacuum pump apparatus 4 by vacuum lead, described refrigerating part comprises water capturing installation (not shown), throttling arrangement (not shown), condenser 5 and compressor 6, water capturing installation is placed in casing 2, condenser 5 is located in described frame 1 and is connected with compressor 6 with water capturing installation respectively, compressor 6 is located in frame 1, refrigerant tubing (not shown) is connected with between condenser 5 and compressor 6, throttling arrangement is located between condenser 5 and water capturing installation, water capturing installation is communicated with described vacuum lead simultaneously, described pneumatic part is located in frame 1 and is communicated with casing 2, pneumatic part comprises pneumatic operated valve 8 and air compressor machine 7, air compressor machine 7 is located in described frame 1, pneumatic operated valve 8 is located between air compressor machine 7 and described casing 2,
Controlling electronic box 3 adopts PLC to programme, to vacuumized part, the course of work of refrigerating part and pneumatic part controls, comprise the precooling requirement according to different agricultural product, by carrying out temperature detection in casing 2, control pneumatic part is interrupted repeatedly to the mode of venting in casing 2 within the unit interval, vacuum in casing 2 is suitably destroyed, and again start in vacuum pump apparatus 4 pairs of casings 2 after some time after vacuum is destroyed and vacuumize, cooling in casing 2 is slowed down, the whole course of work control electronic box 3 control under by vacuum pump apparatus 4, compressor 6 and air compressor machine 7 realize automatic operation, thus ensure that the temperature of the agricultural product such as the vegetables and fruits of each position in vacuum chamber 2 becomes comparatively even, avoid by the possibility of precooling agricultural product frostbite.
Preferably, be provided with in casing 2 and the temperature-detecting device (not shown) controlling electronic box 3 and be electrically connected, during work, by carrying out real time temperature detection to by the agricultural product of precooling, period, when agricultural product in processing procedure close to set temperature value (higher than setting value 2 DEG C) time, control electronic box 3 start air compressor machine 7 by pneumatic operated valve 8 is interrupted within the unit interval repeatedly to casing 2 in exit, thus play control agricultural product cooling rate.Adopt vacuum detecting system to control the mode of operation of vavuum pump valve opening mutually than ever, there is cost low, the simple feature efficiently of work, and failure rate is low.
Preferably, pneumatic part also comprises silencer 9, and silencer 9 is arranged on described pneumatic operated valve 8 gas outlet end, during work, during for cutting down pneumatic part work, the intermittence of generation to people's ear and able-bodied harm thereof, reduces the impact on working environment up to the exhaust noise of 110 dB.
Preferably, described vacuum pump apparatus 4 is provided with two covers, two cover vacuum pump apparatus 4 are all located in described frame 1 and are communicated with described casing 2 by described vacuum lead, wherein, two cover vacuum pump apparatus 4 are communicated with described water capturing installation respectively, and are communicated with described water capturing installation and are equipped with vacuum control check valve (not shown).Be provided with two cover vacuum pump apparatus 4, during real work, alternately can enable a wherein vacuum pump apparatus 4, greatly promote long-time continuous firing performance of the present utility model.
Preferably, described casing 2, in rectangular-shaped, is low boy cabinet 2, comprises cavity and the chamber door being located at cavity hatch end, is provided with the drive unit (not shown) making described door opening or closing in cavity.Drive unit is hydraulic stem, for ensureing the closedown sealing of chamber door.
Preferably, the outer surface of described casing 2 is provided with many equally distributed reinforcements 10, and reinforcement 10 is I-steel, the unidirectional force bearing performance of I-steel is excellent, when vacuumizing in casing 2, be beneficial to casing 2 and better bear pressure from air, keep the rigidity of casing 2, deformation occur.
Vacuum precooling machine vacuumize with catch water conservancy project do to carry out time, casing 2 inherence reaches shwoot point (pressure about the 2338pa in casing 2) for about 6 minutes, from 2338pa to the 660pa of shwoot point during this period of time in, about nearly 10-12 minute, it is the peak period of catching water for cooling, now, the fast cooling continued easily makes vegetables and fruits occur the phenomenon of frostbite.For preventing this kind of problem, conventional art adopts vacuum detecting system to control the unlatching of vavuum pump valve, for controlling the vacuum in vacuum tank, makes the vacuum in casing 2 be not less than the zero degree boiling point of water.Such control mode cost is high, and vacuum detector precision in vacuum detecting system and resistance to moisture capacity all poor, fault rate is high.
Compare conventional art, the utility model operationally, control electronic box 3 according to the precooling requirement of different agricultural product, by detecting in real time temperature in casing 2, period, when by precooling agricultural product in processing procedure close to set temperature value (higher than setting value 2 DEG C) time, control air compressor machine 7 and pass through pneumatic operated valve 8 within the unit interval, be interrupted repeatedly to venting in casing 2, vacuum in casing 2 is suitably destroyed, and again start in vacuum pump apparatus 4 pairs of casings 2 after some time after vacuum is destroyed and vacuumize, cooling in casing 2 is slowed down, the whole course of work control electronic box 3 control under by vacuum pump apparatus 4, compressor 6 and air compressor machine 7 realize automatic operation, thus ensure that the temperature of the agricultural product such as the vegetables and fruits of each position in vacuum chamber 2 becomes comparatively even, avoid by the possibility of precooling agricultural product frostbite.Adopt vacuum detecting system to control the mode of operation of vavuum pump valve opening mutually than ever, there is cost low, the simple feature efficiently of work, and failure rate is low.Reach and simplify the internal structure of an organization and improve control model, improve the reliability object of equipment.
Above detailed description of the invention is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. the anti-frostbite vacuum precooling machine of fruits and vegetables, it is characterized in that, comprise frame, be located at frame be provided with fruits and vegetables loading space casing, be located in frame and be communicated with the pumped vacuum systems that fruits and vegetables loading space controls the vacuum of this fruits and vegetables loading space automatically, and control the control electronic box that pumped vacuum systems realizes vacuum.
2. the anti-frostbite vacuum precooling machine of fruits and vegetables as described in claim l, it is characterized in that, described pumped vacuum systems comprises vacuumized part, refrigerating part and pneumatic part, and vacuumized part comprises vacuum pump apparatus and the described casing be communicated with vacuum pump apparatus by vacuum lead; Described refrigerating part comprises water capturing installation, throttling arrangement, condenser and compressor, water capturing installation is placed in casing, condenser is located in described frame and is connected with compressor with water capturing installation respectively, compressor is located in frame, refrigerant tubing is connected with between condenser and compressor, throttling arrangement is located between condenser and water capturing installation, and water capturing installation is communicated with described vacuum lead simultaneously, and described pneumatic part is located in frame and is communicated with casing.
3. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 2, it is characterized in that, described vacuum pump apparatus is provided with two covers, and two cover vacuum pump apparatus are all located in described frame and are communicated with described casing by described vacuum lead.
4. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 3, is characterized in that, described two cover vacuum pump apparatus are communicated with described water capturing installation respectively.
5. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 4, is characterized in that, described two cover vacuum pump apparatus are communicated with described water capturing installation and are equipped with vacuum control check valve.
6. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 2, it is characterized in that, pneumatic part comprises pneumatic operated valve and air compressor machine, and air compressor machine is located in described frame, and pneumatic operated valve is located between air compressor machine and described casing.
7. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 6, it is characterized in that, pneumatic part also comprises silencer, and silencer is arranged on described pneumatic operated valve gas outlet end.
8. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 1, it is characterized in that, described casing is rectangular-shaped, comprises cavity and is located at the chamber door of cavity hatch end, be provided with the drive unit making described door opening or closing in cavity.
9. the anti-frostbite vacuum precooling machine of fruits and vegetables as claimed in claim 8, it is characterized in that, the outer surface of described casing is provided with many equally distributed reinforcements.
10. the anti-frostbite vacuum precooling machine of fruits and vegetables as described in claim 3 or 6, is characterized in that, described compressor, two cover vacuum pump apparatus are electrically connected respectively at described control electronic box with air compressor machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559451.4U CN204217767U (en) | 2014-09-28 | 2014-09-28 | The anti-frostbite vacuum precooling machine of fruits and vegetables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420559451.4U CN204217767U (en) | 2014-09-28 | 2014-09-28 | The anti-frostbite vacuum precooling machine of fruits and vegetables |
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| Publication Number | Publication Date |
|---|---|
| CN204217767U true CN204217767U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420559451.4U Expired - Fee Related CN204217767U (en) | 2014-09-28 | 2014-09-28 | The anti-frostbite vacuum precooling machine of fruits and vegetables |
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| CN (1) | CN204217767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813471A (en) * | 2017-01-19 | 2017-06-09 | 东莞市中电制冷设备科技有限公司 | A kind of food pharmaceutical drying vacuum freshness retaining precooler |
| CN108041156A (en) * | 2018-01-06 | 2018-05-18 | 宁波智慧角保鲜科技有限公司 | A kind of pure physical fresh-keeping process of the micro dehydrofreezing of red bayberry |
| CN110367331A (en) * | 2019-07-01 | 2019-10-25 | 北极冰制冷设备(东莞)有限公司 | Vehicle-mounted double flute fruits and vegetables vacuum precooling machine |
-
2014
- 2014-09-28 CN CN201420559451.4U patent/CN204217767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813471A (en) * | 2017-01-19 | 2017-06-09 | 东莞市中电制冷设备科技有限公司 | A kind of food pharmaceutical drying vacuum freshness retaining precooler |
| CN108041156A (en) * | 2018-01-06 | 2018-05-18 | 宁波智慧角保鲜科技有限公司 | A kind of pure physical fresh-keeping process of the micro dehydrofreezing of red bayberry |
| CN110367331A (en) * | 2019-07-01 | 2019-10-25 | 北极冰制冷设备(东莞)有限公司 | Vehicle-mounted double flute fruits and vegetables vacuum precooling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20150928 |
|
| EXPY | Termination of patent right or utility model |