CN215571546U

CN215571546U - Low-temperature high-humidity frequency-conversion high-voltage static mixing thawing device

Info

Publication number: CN215571546U
Application number: CN202121374819.6U
Authority: CN
Inventors: 马建军; 李峰
Original assignee: Guangzhou Cohen Cold Chain Equipment Co ltd
Current assignee: Guangzhou Cohen Cold Chain Equipment Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-18
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a low-temperature high-humidity and variable-frequency high-voltage electrostatic mixing thawing device, wherein a thawing cavity and a unit installation cavity are arranged in a cabinet body, an evaporator, a condenser, a compressor and a centrifugal fan which are sequentially connected are arranged in the unit installation cavity, an air inlet duct is arranged on the right side of the thawing cavity, an air outlet duct is arranged on the left side of the thawing cavity, an air outlet of the centrifugal fan is connected with an air supply duct, one end of the air supply duct is communicated with the lower end of the air inlet duct, a humidifying device is arranged in the air supply duct, a plurality of second through holes communicated with the unit installation cavity are arranged on the side wall of the air outlet duct, a high-voltage electrostatic device is also arranged in the thawing cavity, frozen products are thawed uniformly from the surface to the center, meanwhile, low-pressure saturated steam is condensed to release heat which is absorbed by the frozen products, meanwhile, a condensate film is formed on the surface of the products, and the products are prevented from being directly contacted and oxidized with air, the air drying and water loss in the product unfreezing process are reduced; the original color and quality of the food are kept as much as possible.

Description

Low-temperature high-humidity frequency-conversion high-voltage static mixing thawing device

Technical Field

The utility model relates to the technical field of frozen product unfreezing, in particular to a low-temperature high-humidity frequency-conversion high-voltage static mixed unfreezing device.

Background

At present, most of food materials in the food material preservation market are preserved in a freezing mode, a plurality of methods are used for processing in the freezing mode, but before the food materials are processed to be mature, the food materials can be processed only by being thawed first, and in the thawing process, the food materials are easy to deteriorate, bacteria grow, the taste of the food is influenced, the nutrition is lost, and the food safety is influenced. The food materials are unfrozen naturally, soaked in water and unfrozen at low temperature and high humidity, and are unfrozen by static electricity, the traditional unfreezing is realized from the surface to the center, the food materials are easy to deteriorate, the taste of the food materials is influenced, the unfreezing time is slow, the cell walls of the food materials are easy to damage in the process, the nutrition loss is caused, in addition, a plurality of bacteria are easy to generate due to the temperature and the humidity under the conventional environment, the microorganisms exceed the standard, and the food materials deteriorate, the food materials are easy to damage human bodies after being eaten, the conventional low-temperature and high-humidity unfreezing method can achieve the effect of quick unfreezing, the low-temperature and high-humidity control is realized by controlling the temperature, the humidity and the air flow, the food materials are generally at the ice crystal point of-5 ℃, the cells are the weakest, the cells are easy to be punctured by the ice crystals at the time, and the use temperature and the humidity are also adopted, the airflow unfreezes, so that hemoglobin loss is easily caused, and the taste of the food materials after being processed and matured is influenced. Whether freezing or unfreezing needs to break through the ice crystal point of minus 5 ℃, the most used in the current food processing factory is low-temperature high-humidity unfreezing, the unfreezing is carried out by controlling temperature and humidity, if the method is always used, the food materials are whitened in color, lost in nutrition, lost in freshness and bad in taste after the ice crystal point is broken through by using the method for unfreezing all the time after the ice crystal point is broken through by minus 5 ℃, and bacteria are easily bred due to high humidity in the process, so that the food materials are deteriorated. And is not sanitary and safe. At present, a high-voltage static electricity thawing mode is provided, the high-voltage static electricity thawing mode can simulate biological electric stimulation to cells, the cells can be orderly restored to vitality under the condition that the cells are not damaged, meanwhile, the high-voltage static electricity can inhibit bacterial breeding due to the fact that specific humidity and temperature are not needed, but the thawing time is long. The utility model provides a low-temperature high-humidity frequency-conversion high-voltage electrostatic thawing device, which aims to solve the problem that food materials can be thawed quickly and the freshness of the food materials can be kept.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-temperature high-humidity frequency-conversion high-voltage static mixing thawing device to solve the problems of the background art.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a mixed thawing apparatus of low temperature high humidity and frequency conversion high pressure static, including the cabinet body the internal cavity and the unit installation cavity of unfreezing of being equipped with evaporimeter, condenser, compressor and the centrifugal fan that connect gradually in the unit installation cavity the right side of the cavity of unfreezing is equipped with the air inlet duct, and the left side is equipped with the air-out wind channel, air inlet duct and air-out wind channel lateral wall all are equipped with a plurality ofly and the first through-hole that the cavity is linked together that unfreezes centrifugal fan's air outlet is connected with the air supply duct, the one end in air supply duct is linked together with the lower extreme in air inlet duct be equipped with humidification device in the air supply duct the lateral wall in air-out wind channel is equipped with a plurality of second through-holes that are linked together with the unit installation cavity, the second through-hole with the evaporimeter is connected still be equipped with high-voltage static device in the cavity of unfreezing.

Further, the rack is detachably mounted in the unit mounting cavity, and the evaporator, the condenser, the compressor and the centrifugal fan are mounted on the rack.

Further, still be equipped with the detection device who is used for detecting frozen meat temperature in the cavity of unfreezing, detection device is temperature probe, temperature probe is provided with two.

Furthermore, the air supply duct comprises a straight duct and an air expansion duct which are communicated, the air expansion duct is trumpet-shaped, one end of the large opening is communicated with the air inlet duct, and one end of the straight duct is communicated with the centrifugal fan.

Further, the humidifying device is an ultrasonic atomizer and is installed in the straight air duct.

Furthermore, a plurality of object placing plates are arranged in the unfreezing cavity at intervals up and down.

Furthermore, the high-voltage electrostatic device comprises an insulating support and an electrostatic conducting rod arranged on the insulating support, and the insulating support is arranged on the inner side wall of the unfreezing cavity.

Further, the condenser is an air-cooled condenser, and comprises a condenser coil and a blower, wherein an air inlet hole group and a radiating hole group are respectively arranged on one side of the unit installation cavity, the air inlet hole group is communicated with the blower, and the radiating hole group is communicated with the condenser coil.

Furthermore, a closed door is hinged to the front side of the unfreezing cavity, and an observation window is arranged on the closed door.

And furthermore, a PLC (programmable logic controller) is arranged on the front side wall surface of the unit installation cavity.

In conclusion, the utility model has the beneficial effects that: the centrifugal fan starts to work to generate air flow through the refrigeration of the compressor, the humidifying device generates humidity, so that a low-temperature and high-humidity state is formed, the air flow is conveyed into the unfreezing cavity through the air supply duct and the air inlet duct, and then the air flow enters the air outlet duct, the evaporator and the condenser for heat exchange; in addition, the unfreezing process of frozen products is always carried out under the conditions of temperature control and humidity control, the cold quantity of the products is utilized, a heat pump unit generates a heat source and controls the humidity, the temperature and the humidity of an unfreezing cavity are adjusted simultaneously, scientific and reasonable air circulation is combined, the central temperature and the surface temperature of the products are always kept in the minimum range when the products are unfrozen, the frozen products are unfrozen uniformly from the surface to the center, meanwhile, low-pressure saturated steam is condensed to release heat and is absorbed by the frozen products, a condensed water film is formed on the surfaces of the products, the products are prevented from being directly contacted and oxidized with air, the air drying and water loss of the products in the unfreezing process are reduced, and the original color and luster and quality of the foods are kept as much as possible. When the temperature of the frozen product is about minus 5 ℃, the dehumidifying device starts to work, namely the humidifier stops working, and when the dehumidifying device is in an environment where static electricity can work, the high-voltage static device starts to work to further thaw and delay; the combination of raw material thawing and refrigeration processes is met, the thawing process is automatically converted into a fresh-keeping state after the operation of the thawing process is stopped, the fresh-keeping state can be taken at any time, and the production arrangement is convenient.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a second perspective view of the present invention.

FIG. 3 is a partial schematic view of the present invention.

Fig. 4 is a schematic cross-sectional view of the present invention.

Description of reference numerals: 1. a cabinet body; 2. a thawing cavity; 3. a unit installation cavity; 4. an evaporator; 5. a condenser; 6. a compressor; 7. a centrifugal fan; 8. an air inlet duct; 9. an air outlet duct; 10. a first through hole; 11. an air supply duct; 12. a humidifying device; 13. a second through hole; 21. a frame; 31. a temperature probe; 41. a straight air duct; 42. an air expanding duct; 61. placing a tray; 71. an insulating support; 72. an electrostatic conductive rod; 81. a condenser coil; 82. a blower; 83. an air inlet hole group; 84. a group of radiating holes; 91. a closing door; 92. an observation window; 101. a PLC controller; 99. a movable wheel.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description: as shown in fig. 1 to 4, the low-temperature high-humidity and frequency-conversion high-voltage electrostatic hybrid thawing device comprises a cabinet body 1, a plurality of movable wheels 99 are arranged at the bottom of the cabinet body 1, a thawing cavity 2 and a unit installation cavity 3 are arranged in the cabinet body 1, a plurality of storage trays 61 are arranged in the thawing cavity 2 at intervals from top to bottom, an evaporator 4, a condenser 5, a compressor 6 and a centrifugal fan 7 which are sequentially connected are arranged in the unit installation cavity 3, an air inlet duct 8 is arranged on the right side of the thawing cavity 2, an air outlet duct 9 is arranged on the left side, a plurality of first through holes 10 communicated with the thawing cavity 2 are arranged on the side walls of the air inlet duct 8 and the air outlet duct 9, an air supply duct 11 is connected to an air outlet of the centrifugal fan 7, one end of the air supply duct 11 is communicated with the lower end of the air inlet duct 8, a humidifying device 12 is arranged in the air supply duct 11, a plurality of second through holes 13 communicated with the unit installation cavity 3 are formed in the side wall of the air outlet duct 9, the second through holes 13 are connected with the evaporator 4, a high-voltage electrostatic device is further arranged in the unfreezing cavity 2, the centrifugal fan 7 starts to work to generate air flow through the refrigeration of the compressor 6, the humidifying device 12 generates humidity, and therefore a low-temperature and high-humidity state is formed, the air flow is conveyed into the unfreezing cavity 2 through the air supply duct 11 and the air inlet duct 8, and then the air flow enters the air outlet duct 9, the evaporator 4 and the condenser 5 for heat exchange; in addition, the unfreezing process of frozen products is always carried out under the conditions of temperature control and humidity control, the cold quantity of the products is utilized, a heat pump unit generates a heat source and controls the humidity, the temperature and the humidity of the unfreezing cavity 2 are adjusted simultaneously, scientific and reasonable air circulation is combined, the central temperature and the surface temperature of the products are always kept in the minimum range when the products are unfrozen, the frozen products are unfrozen uniformly from the surface to the center, meanwhile, low-pressure saturated steam is condensed to release heat which is absorbed by the frozen products, a condensed water film is formed on the surfaces of the products, the products are prevented from being directly contacted and oxidized with air, the air drying and water loss of the products in the unfreezing process are reduced, and the original color and luster and quality of the foods are kept as much as possible. When the temperature of the frozen product is about minus 5 ℃, the dehumidifying device starts to work, namely the humidifier 12 stops working, and the high-voltage electrostatic device starts to work when the dehumidifying device is in an environment where static electricity can work, so as to further thaw and delay; the combination of raw material thawing and refrigeration processes is met, the thawing process is automatically converted into a fresh-keeping state after the operation of the thawing process is stopped, the fresh-keeping state can be taken at any time, and the production arrangement is convenient.

The evaporator 4 achieves the purpose of reducing the temperature of the thawing cavity 2 by absorbing the heat in the air outlet duct 9 and the environment in the thawing cavity 2 by utilizing the principle that the liquid low-temperature refrigerant is easy to evaporate under low pressure.

The condenser 5, which is a component of a refrigeration system, belongs to a heat exchanger, and can convert gas or vapor into liquid to transfer the heat in the pipe to the air near the pipe in a fast way, and the condenser 5 is used as a heat-radiating component to convert the high-temperature high-pressure gaseous refrigerant compressed by the compressor 6 into low-temperature high-pressure liquid state, so as to radiate heat to the outside, and the heat-radiating component absorbs and radiates with the evaporator 4, thereby realizing heat conservation.

Wherein, condenser 5 is the air-cooled condenser, wherein including condenser coil pipe 81 and air-blower 82 unit installation cavity 3 one side is equipped with air inlet group 83 and thermovent group 84 respectively, air inlet group 83 is linked together with air-blower 82, thermovent group 84 is linked together with condenser coil pipe 81.

Referring to fig. 3, a frame 21 is detachably mounted in the unit mounting cavity 3, and the evaporator 4, the condenser 5, the compressor 6 and the centrifugal fan 7 are all mounted on the frame 21, so that an integral unit can be formed, and when maintenance is needed, the whole frame 21 can be drawn out only by detaching screws fixed in the frame 21 and the unit mounting cavity 3 and screws of interfaces in the unit and unit mounting cavity 3, so that equipment can be conveniently assembled and maintained.

Air supply duct 11 is including the straight wind channel 41 that is linked together and expand wind channel 42, it is the loudspeaker form to expand wind channel 42, and big open-ended one end is linked together with air inlet duct 8, straight wind channel 41 one end is linked together with centrifugal fan 7, expands wind channel 42 and sets up through being the loudspeaker form, can increase the air current and carry in toward air inlet duct to can reduce the temperature of cavity 2 that unfreezes fast and improve the humidity of cavity 2 that unfreezes.

Referring to fig. 4, the humidifying device 12 is an ultrasonic atomizer and is installed in the straight air duct 41, and a trace ozone generating device is further installed in the straight air duct 41 where the ultrasonic atomizer is located.

In the utility model, a detection device for detecting the temperature of the frozen meat is also arranged in the unfreezing cavity 2, the detection device is a temperature probe 31, two temperature probes 31 are arranged, one temperature probe 31 is inserted into the center of the frozen meat, the other temperature probe 31 is placed on the surface of the frozen meat, and therefore, the temperature of the center of the frozen meat can be detected.

Referring to fig. 1 to 3, the high voltage electrostatic device includes an insulating bracket 71 and an electrostatic conducting rod 72 mounted on the insulating bracket 71, the insulating bracket 71 is disposed on an inner side wall of the thawing chamber 2, an electrical device for providing power to the electrostatic conducting rod 72 is located at a top of the cabinet 1, the electrostatic conducting rod 72 is mainly used for releasing high voltage static electricity, and the object placing tray 61 connected to the electrostatic conducting rod 72 can also be used as a medium for electrostatic emission.

Referring to fig. 1 and 2, a closed door 91 is hinged to the front side of the thawing chamber 2, an observation window 92 is arranged on the closed door 91, and the closed door 91 can be directly made into a mode that the front side of the door body is completely transparent, so that the state of frozen products inside can be observed conveniently.

In the utility model, a PLC (programmable logic controller) 101 is arranged on the front side wall surface of the unit installation cavity 3, and the PLC 101 can control the work of each electrical element; in addition, still including remote control system, can realize cell-phone APP and computer terminal and monitor the equipment operation, conveniently eat material management and after-sales service, wherein put thing dish 61 and can set up weighing device on it, send the data of weighing to the terminal or the server that need look over the management frozen article through the remote control system among the PLC controller 101 on to supply the managers to look over or call. In the embodiment, the PLC can adjust the static conducting rod 72 to release the variable frequency static electricity of 38hz-42hz, compared with the existing constant frequency static electricity release, the controllable static electricity thawing adopted in the embodiment can realize the purpose of simulating biological revival through repeated stimulation, before the temperature of the frozen product reaches-5 ℃, the cell wall of the frozen product is effectively prevented from being punctured by the ice prick generated during thawing, so that the loss of water and hemoglobin is caused, the quality of the thawed frozen product is further ensured, the PLC can adjust the static conducting rod 72 to release the variable frequency static electricity of 38hz-42hz by a program preset in the PLC, and can also be manually operated, after the real-time temperature measured by two temperature probes 31 for detecting the temperature of the frozen meat arranged in the thawing cavity 2 is displayed on the screen of the PLC, the control personnel adjust the release of the variable frequency static electricity through the temperature value to achieve the purpose of repeatedly stimulating cells for unfreezing, and the adjustment of the variable frequency static electricity release is mainly realized by controlling a transformer in electrical equipment which is positioned at the top of the cabinet body 1 and provides electric energy for the static electricity conducting rod 72.

In addition, in this embodiment, in the thawing process, the compressor 6 releases heat through the evaporator 4, the centrifugal fan 7 blows air with heat into the straight air duct 41 through the ultrasonic atomizer, so as to form wet air with heat, the heat is kept at about 28 degrees, thereby achieving the goal of thawing at low temperature and high humidity, after the thawing degree at low temperature and high humidity reaches a required value, dehumidification is achieved through the evaporator 4, after the wet air in the thawing cavity 2 is dehumidified, the environment where high-voltage static electricity can operate is reached, then high-voltage static electricity is started to achieve subsequent thawing, and sterilization is performed synchronously, after thawing, the compressor 6 enables the evaporator 4 to release cold air through a valve, the air blown out by the centrifugal fan 7 is cold air, the temperature of the cold air is 0-4 degrees, at this time, the thawed food materials placed in the cabinet body 1 can achieve the effect of fresh keeping, and a trace ozone generating device is further arranged in the straight air duct 41 where the ultrasonic atomizer is located, and simultaneously, when cold air is blown into the unfreezing cavity 2, a trace amount of ozone is released, so that the fresh-keeping agent is used for inhibiting bacteria in the fresh-keeping process.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mixed thawing apparatus of high voltage static of frequency conversion is wetted to low temperature high humidity, including the cabinet body (1) be equipped with in the cabinet body (1) and unfreeze cavity (2) and unit installation cavity (3), its characterized in that: an evaporator (4), a condenser (5), a compressor (6) and a centrifugal fan (7) which are connected in sequence are arranged in the unit installation cavity (3), an air inlet duct (8) is arranged on the right side of the unfreezing cavity (2), an air outlet duct (9) is arranged on the left side of the unfreezing cavity, a plurality of first through holes (10) communicated with the unfreezing cavity (2) are formed in the side walls of the air inlet duct (8) and the air outlet duct (9), an air supply duct (11) is connected to an air outlet of the centrifugal fan (7), one end of the air supply duct (11) is communicated with the lower end of the air inlet duct (8), a humidifying device (12) is arranged in the air supply duct (11), a plurality of second through holes (13) communicated with the unit installation cavity (3) are formed in the side wall of the air outlet duct (9), and the second through holes (13) are connected with the evaporator (4), and a high-voltage electrostatic device is also arranged in the unfreezing cavity (2).

2. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: the air conditioner is characterized in that a rack (21) is detachably mounted in the unit mounting cavity (3), and the evaporator (4), the condenser (5), the compressor (6) and the centrifugal fan (7) are mounted on the rack (21).

3. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: still be equipped with the detection device who is used for detecting frozen meat temperature in the cavity (2) unfreezes, detection device is temperature probe (31), temperature probe (31) are provided with two.

4. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: the air supply duct (11) comprises a straight air duct (41) and an air expansion duct (42) which are communicated, the air expansion duct (42) is horn-shaped, one end of a large opening is communicated with the air inlet duct (8), and one end of the straight air duct (41) is communicated with the centrifugal fan (7).

5. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 4, characterized in that: the humidifying device (12) is an ultrasonic atomizer and is arranged in the straight air channel (41).

6. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: a plurality of object placing plates (61) are arranged in the unfreezing cavity (2) at intervals up and down.

7. The device for thawing high-voltage static mixture with frequency conversion and low temperature and high humidity according to any one of claims 1 to 6, wherein: the high-voltage electrostatic device comprises an insulating support (71) and an electrostatic conducting rod (72) arranged on the insulating support (71), wherein the insulating support (71) is arranged on the inner side wall of the unfreezing cavity (2).

8. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: condenser (5) are air-cooled condenser, including condenser coil pipe (81) and air-blower (82) unit installation cavity (3) one side is equipped with air inlet group (83) and thermovent group (84) respectively, air inlet group (83) are linked together with air-blower (82), thermovent group (84) are linked together with condenser coil pipe (81).

9. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 1, characterized in that: the front side of the unfreezing cavity (2) is hinged with a closed door (91), and an observation window (92) is arranged on the closed door (91).

10. The low-temperature high-humidity frequency-conversion high-voltage electrostatic hybrid thawing device according to claim 7, characterized in that: and a PLC (programmable logic controller) (101) is arranged on the front side wall surface of the unit installation cavity (3).