CN112344640A - Electric field fresh-keeping device and refrigerator thereof - Google Patents

Electric field fresh-keeping device and refrigerator thereof Download PDF

Info

Publication number
CN112344640A
CN112344640A CN202011228867.4A CN202011228867A CN112344640A CN 112344640 A CN112344640 A CN 112344640A CN 202011228867 A CN202011228867 A CN 202011228867A CN 112344640 A CN112344640 A CN 112344640A
Authority
CN
China
Prior art keywords
electric field
elastic
elastic wire
head end
refrigerator
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.)
Pending
Application number
CN202011228867.4A
Other languages
Chinese (zh)
Inventor
方波
朱忠浩
邓亚珍
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.)
Hefei Meiling Union Technology Co Ltd
Original Assignee
Hefei Meiling Union Technology 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 Hefei Meiling Union Technology Co Ltd filed Critical Hefei Meiling Union Technology Co Ltd
Priority to CN202011228867.4A priority Critical patent/CN112344640A/en
Publication of CN112344640A publication Critical patent/CN112344640A/en
Pending legal-status Critical Current

Links

Images

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
    • F25D23/00General constructional features
    • F25D23/12Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/32Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
    • 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
    • F25D2500/00Problems to be solved
    • F25D2500/06Stock management

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention discloses an electric field fresh-keeping device and a refrigerator thereof, and relates to the technical field of refrigerators. The invention comprises an electric field generating device and an electric field releasing device; the electric field release device is a telescopic annular spring power line, the spring power line is divided into an elastic line and a non-elastic line, the tail end of the non-elastic line is connected with the head end of the elastic line, a head end connector is arranged at the head end of the non-elastic line, the head end connector is connected with the output end of the electric field generation device, and the head end and the tail end of the elastic line are fixed together to form a closed loop. The electric field generating device generates a high-voltage electric field, the electric field releasing device is a spring power line which has good flexibility, the spring power line can be directly sleeved in the inner container of the refrigerator, so that the peripheral power lines of the refrigerator are uniformly distributed, and after the electric field generating device is electrified, a relatively uniform electric field is obtained in the refrigerator, so that the electric field generating device is very convenient to install and high in practicability.

Description

Electric field fresh-keeping device and refrigerator thereof
Technical Field
The invention belongs to the technical field of refrigerators, and particularly relates to an electric field fresh-keeping device and a refrigerator thereof.
Background
The electric field fresh-keeping technology is increasingly widely applied to the field of food fresh-keeping, the electric field fresh-keeping has the advantages of no thermal effect, low energy consumption, small food temperature rise amplitude, no influence on the quality of food and the like, and in addition, the fruits and vegetables can obtain better fresh-keeping effect when placed in an electric field. Research shows that the electric field treatment can obviously maintain the quality of the treated fruits and vegetables, accelerate the processes of freezing and unfreezing food, and is a novel environment-friendly food preservation technology.
In order to realize the quality preservation of articles in the refrigerator, the conventional refrigerator generally adopts fixed frequency and electric field intensity, the storage temperatures of storage areas in the refrigerator are different, for example, foods in a freezing area (about minus 20 ℃), foods in a temperature changing area (about minus 3 ℃) and foods in a cold storage area (5 ℃) and the like, the fixed frequency and the electric field intensity cannot enable all articles in the refrigerator to play a preservation role, and the conventional electric field preservation technology has a complex structure and high cost.
One patent, CN208332807U, discloses an electric field fresh-keeping device, as shown in fig. 1: the device comprises a plurality of storage compartments, an electric field release device 5 and a voltage regulating device 4, wherein the electric field release device comprises a discharge source and a safety insulating sleeve, the discharge source is a conductive film or a conductive plate or a conductive strip or a conductive rod, and the power supply is arranged in the safety insulating sleeve. The voltage adjusting device and the electric field releasing device are connected through a lead, but the electric field releasing device is arranged on the refrigerator, so that the phenomena of high local electric field intensity, non-uniform electric field intensity and the like in the refrigerator can occur, and the fresh-keeping effect of each part in the refrigerator is non-uniform.
Disclosure of Invention
The invention aims to provide an electric field fresh-keeping device and a refrigerator thereof.A high-voltage electric field is generated by an electric field generating device, an electric field releasing device is a spring power line which has good flexibility, the spring power line can be directly sleeved in an inner container of the refrigerator, so that peripheral power lines of the refrigerator are uniformly distributed, and after the electric field generating device is electrified, a relatively uniform electric field is obtained in the refrigerator, so that the electric field fresh-keeping device is very convenient to install and has strong practicability.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an electric field fresh-keeping device, which comprises an electric field generating device and an electric field releasing device; the electric field release device is a telescopic annular spring power line, the spring power line is divided into an elastic line and a non-elastic line, the tail end of the non-elastic line is connected with the head end of the elastic line, a head end connector is arranged at the head end of the non-elastic line, the head end connector is connected with the output end of the electric field generation device, and the head end and the tail end of the elastic line are fixed together to form a closed loop.
Furthermore, the electric field generating device comprises a shell, a high-voltage transformer and a protective impedance, wherein the high-voltage transformer and the protective impedance are arranged in the shell, and the high-voltage transformer and the protective impedance are connected with a power supply of the high-voltage electric field generating device through a lead.
Further, the spring power cord includes a pair of parallel structure's power heart yearn and outer sheath, and the power heart yearn includes the conductor, and the conductor is formed by the transposition of single strand or the naked soft copper wire of veneer, and a pair of power heart yearn is arranged in outer sheath straight line side by side, and outer sheath is polyurethane elastic material.
Further, the elastic wire is a spring wire, and the non-elastic wire is a straight line.
Further, the mode that the elastic wire head end was fixed with the tail end is fixed for the ribbon, and the afterbody of elastic wire is provided with the ribbon, and the ribbon is connected the head end and the tail end of elastic wire, forms the annular spring power cord.
Furthermore, the tail end of the elastic wire is wrapped by a thermoplastic sleeve or an insulating rubberized fabric.
Furthermore, the head end of the elastic wire is fixed with the tail end of the elastic wire in a connector fixing mode, a branch wire is arranged at the head end of the elastic wire, a branch wire connector is connected onto the branch wire, a tail connector is arranged at the tail of the elastic wire, and the branch wire connector is connected with the tail connector to form an annular spring power line.
Furthermore, the shell is filled with filling materials to protect the safety of the electric appliance.
Furthermore, the high-voltage transformer is a power frequency boosting transformer, the working frequency of the high-voltage transformer is 50-60 Hz, and the output voltage is 1000-1500V.
A refrigerator comprises a refrigerator body, an electric field generating device is arranged at the top of the refrigerator body, and an electric field releasing device) is sleeved in an inner container of the refrigerator body through a closed loop formed by spring wires.
The invention has the following beneficial effects:
the electric field fresh-keeping device comprises an electric field generating device and an electric field releasing device, wherein the electric field generating device generates a high-voltage electric field, the electric field releasing device is a spring power line and has good flexibility, the spring power line can be directly sleeved in the inner container of the refrigerator, so that peripheral power lines of the refrigerator are uniformly distributed, and after the electric field generating device is electrified, a relatively uniform electric field is obtained in the refrigerator.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a plan view of the prior art;
FIG. 2 is a plan view of the electric field freshness retaining device of the present invention;
FIG. 3 is a schematic view of the manner in which the straps of the electric field relief apparatus are secured;
FIG. 4 is a schematic view of the fixing manner of the connector of the electric field releasing device;
FIG. 5 is a schematic view of a refrigerator having an electric field freshness keeping apparatus;
in the drawings, the components represented by the respective reference numerals are listed below:
1-refrigerator body, 2-electric field generating device, 3-electric field releasing device, 21-shell, 22-filling material, 23-voltage input end, 24-high voltage transformer, 25-protective impedance, 26-high voltage output end, 31-non-elastic wire, 32-elastic wire, 33-head connector, 34-tail connector, 35-branch connector and 36-ribbon.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 2, the present invention is an electric field fresh-keeping device, which comprises an electric field generating device 2 and an electric field releasing device 3; electric field release 3 is scalable annular spring power cord, reduce electric field release cost, and the institutional transformation of spring power cord is simple, the spring power cord divide into elastic wire 32 and non-elastic wire 31, the tail end of non-elastic wire 31 links together with the head end of elastic wire 32, elastic wire 32 is the spring wire, non-elastic wire 31 is the straight line, non-elastic wire 31 head end is provided with head connector 33, head connector 33 with be connected with electric field generation device 2's high voltage output end 26, the head end and the tail end of elastic wire 32 are fixed and are formed the closed loop together.
The electric field generating device 2 comprises a shell 21, a voltage input end 23, a high-voltage transformer 24, a protective impedance 25 and a high-voltage output end 26, wherein the high-voltage transformer 24 and the protective impedance 25 are arranged in the shell 21, the shell 21 is filled with a filling material 22 to protect the safety of an electric appliance, the high-voltage transformer 24 and the protective impedance 25 are connected with a power supply of the high-voltage electric field generating device 2 through a lead, the high-voltage transformer 24 is a power frequency step-up transformer, the working frequency of the high-voltage transformer 24 is 50-60 Hz, and the output voltage is 1000-1500V; the voltage input end 23 of the electric field generating device 2 inputs voltage, which is transformed by the high voltage transformer 24 to become a high voltage electric field source, and then the high voltage electric field is output by the high voltage output end 26 through the protective impedance 25.
The spring power cord comprises a pair of power core wires of a parallel structure and an outer sheath, the power core wires comprise conductors, the conductors are formed by twisting single-stranded or glued bare soft copper wires, the pair of power core wires are arranged in the outer sheath in a parallel straight line mode, and the outer sheath is made of a polyurethane elastic material.
Preferably, referring to fig. 3, the head end and the tail end of the elastic wire 32 are fixed by a band, the tail end of the elastic wire 32 is provided with a band 36, the band 36 connects the head end and the tail end of the elastic wire 32 to form a ring-shaped power line of the spring, and the tail end of the elastic wire 32 is covered by a thermoplastic sleeve or an insulating tape for protection.
Example two
Referring to fig. 2, the present invention is an electric field fresh-keeping device, which comprises an electric field generating device 2 and an electric field releasing device 3; electric field release 3 is scalable annular spring power cord, reduce electric field release cost, and the institutional transformation of spring power cord is simple, the spring power cord divide into elastic wire 32 and non-elastic wire 31, the tail end of non-elastic wire 31 links together with the head end of elastic wire 32, elastic wire 32 is the spring wire, non-elastic wire 31 is the straight line, non-elastic wire 31 head end is provided with head connector 33, head connector 33 with be connected with electric field generation device 2's high voltage output end 26, the head end and the tail end of elastic wire 32 are fixed and are formed the closed loop together.
The electric field generating device 2 comprises a shell 21, a high-voltage transformer 24 and a protective impedance 25, wherein the high-voltage transformer 24 and the protective impedance 25 are arranged in the shell 21, the shell 21 is filled with a filling material 22 to protect the safety of an electric appliance, the high-voltage transformer 24 and the protective impedance 25 are connected with a power supply of the high-voltage electric field generating device 2 through a conducting wire, the high-voltage transformer 24 is a power frequency step-up transformer, the working frequency of the high-voltage transformer 24 is 50-60 Hz, and the output voltage is 1000-1500V; the voltage input end 23 of the electric field generating device 2 inputs voltage, which is transformed by the high voltage transformer 24 to become a high voltage electric field source, and then the high voltage electric field is output by the high voltage output end 26 through the protective impedance 25.
The spring power cord comprises a pair of power core wires of a parallel structure and an outer sheath, the power core wires comprise conductors, the conductors are formed by twisting single-stranded or glued bare soft copper wires, the pair of power core wires are arranged in the outer sheath in a parallel straight line mode, and the outer sheath is made of a polyurethane elastic material.
Preferably, referring to fig. 4, the head end and the tail end of the elastic thread 32 are fixed by connector, the head end of the elastic thread 32 is provided with a branch thread, the branch thread is connected with a branch connector 35, the tail of the elastic thread 32 is provided with a tail connector 34, and the branch connector 35 is connected with the tail connector 34 to form a ring-shaped spring power line.
Referring to fig. 5, the refrigerator comprises a refrigerator body 1, an electric field generating device 2 is installed at the top of the refrigerator body 1, an electric field releasing device 3 is a telescopic annular spring power line, and a closed loop formed by a spring line 32 is sleeved in an inner container of the refrigerator 1, so that the refrigerator is good in practicability; when the refrigerator 1 is assembled, the annular spring wire can be directly stretched, and the elasticity of the spring power line enables the spring to be firmly fixed on the inner container of the refrigerator 1, so that the installation is very convenient and fast; wherein, adjust electric field release 3's discharge intensity through electric field generating device 2 when the refrigerator uses, electric field release 3 during operation produces the electric field, with the interior water molecule resonance of food, restrain microbial growth, disinfect, decompose ethylene, restrain the activity of food enzyme, increase the permeability of cell membrane, reduce the loss of cell sap and delicate flavour composition by a wide margin, realize the fresh-keeping of food, realize the reasonable distribution of many rooms refrigerator electric field, reach the balanced fresh-keeping effect that realizes of all rooms of refrigerator, this scheme safe and reliable, application scope is wide, can popularize and apply to the refrigerator of multiple space size and structure.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. An electric field fresh-keeping device which is characterized in that: comprises an electric field generating device (2) and an electric field releasing device (3); electric field release (3) are scalable annular spring power cord, and the spring power cord divide into elastic wire (32) and non-elastic wire (31), the tail end of non-elastic wire (31) links together with the head end of elastic wire (32), non-elastic wire (31) head end is provided with head connector (33), head connector (33) are connected with electric field generating device (2) output, the head end of elastic wire (32) forms the closed loop with the tail end is fixed together.
2. The electric field fresh-keeping device according to claim 1, characterized in that the electric field generating device (2) comprises a housing (21), a high voltage transformer (24) and a protective impedance (25), the high voltage transformer (24) and the protective impedance (25) are arranged in the housing (21), and the high voltage transformer (24) and the protective impedance (25) are connected with the high voltage electric field generating device (2) through wires.
3. The electric field fresh-keeping device according to claim 1, wherein the spring power cord comprises a pair of power core wires of parallel structure and an outer sheath, the power core wires comprise conductors, the conductors are formed by twisting single-stranded or glued bare soft copper wires, the pair of power core wires are arranged in the outer sheath in a parallel and straight manner, and the outer sheath is made of polyurethane elastic material.
4. An electric field preservation device according to claim 1 or 3, wherein the elastic wire (32) is a spring wire and the non-elastic wire (31) is a straight wire.
5. An electric field fresh-keeping device according to claim 4, characterized in that the head end and the tail end of the elastic wire (32) are fixed by a binding belt, the tail end of the elastic wire (32) is provided with a binding belt (36), and the binding belt (36) connects the head end and the tail end of the elastic wire (32) to form a ring-shaped spring power line.
6. An electric field fresh-keeping device according to claim 5, characterized in that the tail end of the elastic wire (32) is covered by a thermoplastic sleeve or an insulating tape.
7. An electric field fresh-keeping device according to claim 4, characterized in that the head end and the tail end of the elastic thread (32) are fixed by connectors, the head end of the elastic thread (32) is provided with a branch thread, the branch thread is connected with a branch thread connector (35), the tail end of the elastic thread (32) is provided with a tail connector (34), and the branch thread connector (35) is connected with the tail connector (34) to form an annular spring power line.
8. An electric field fresh-keeping device according to claim 2, characterized in that the inside of the housing (21) is filled with a filling material (22) to protect the safety of the electric appliance.
9. The electric field fresh-keeping device according to claim 2, wherein the high voltage transformer (24) is a power frequency step-up transformer, the working frequency of the high voltage transformer (24) is 50-60 Hz, and the output voltage is 1000-1500V.
10. A refrigerator with the electric field fresh-keeping device of any one of claims 1 to 8, characterized by comprising a refrigerator body (1), wherein the electric field generating device (2) is arranged at the top of the refrigerator body (1), and the electric field releasing device (3)) is sleeved in the inner container of the refrigerator body (1) through a closed loop formed by a spring wire (32).
CN202011228867.4A 2020-11-06 2020-11-06 Electric field fresh-keeping device and refrigerator thereof Pending CN112344640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011228867.4A CN112344640A (en) 2020-11-06 2020-11-06 Electric field fresh-keeping device and refrigerator thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011228867.4A CN112344640A (en) 2020-11-06 2020-11-06 Electric field fresh-keeping device and refrigerator thereof

Publications (1)

Publication Number Publication Date
CN112344640A true CN112344640A (en) 2021-02-09

Family

ID=74430057

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011228867.4A Pending CN112344640A (en) 2020-11-06 2020-11-06 Electric field fresh-keeping device and refrigerator thereof

Country Status (1)

Country Link
CN (1) CN112344640A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207009114U (en) * 2017-07-22 2018-02-13 深圳市永泰兴电子有限公司 A kind of good flat power line of tensile property
CN108562093A (en) * 2018-05-11 2018-09-21 长虹美菱股份有限公司 A kind of electric field fresh-keeping refrigerator
CN208173945U (en) * 2017-12-19 2018-11-30 东莞市金讯源电器有限公司 Retractable power cord
CN110332750A (en) * 2019-08-09 2019-10-15 四川虹美智能科技有限公司 A kind of electric field fresh-keeping refrigerator
CN111336746A (en) * 2020-03-12 2020-06-26 长虹美菱股份有限公司 Electric field generating device for refrigerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207009114U (en) * 2017-07-22 2018-02-13 深圳市永泰兴电子有限公司 A kind of good flat power line of tensile property
CN208173945U (en) * 2017-12-19 2018-11-30 东莞市金讯源电器有限公司 Retractable power cord
CN108562093A (en) * 2018-05-11 2018-09-21 长虹美菱股份有限公司 A kind of electric field fresh-keeping refrigerator
CN110332750A (en) * 2019-08-09 2019-10-15 四川虹美智能科技有限公司 A kind of electric field fresh-keeping refrigerator
CN111336746A (en) * 2020-03-12 2020-06-26 长虹美菱股份有限公司 Electric field generating device for refrigerator

Similar Documents

Publication Publication Date Title
CN106359527A (en) High-voltage alternating-electric-field marine product preservation device
CN110200188A (en) A kind of electric field generation device and electric field fresh-keeping refrigerator
CN110292064A (en) A kind of variable electric field generating device and refrigerator
CN112344640A (en) Electric field fresh-keeping device and refrigerator thereof
CN101564197B (en) Pulse electric field device for drying and dehydration pretreatment of fruits and vegetables
CN202183242U (en) 2MW low temperature torsion flexible cable used in wind power generation
CN208173945U (en) Retractable power cord
CN111336746A (en) Electric field generating device for refrigerator
CN208609834U (en) A kind of multifunctional high pressure electrostatic field food preservation unit
CN207125247U (en) It is a kind of can the electric field preservation device that uses of family
CN209358705U (en) A kind of router connection circuitry line concentrator
CN207409320U (en) A kind of cable looping swelling device
CN201690366U (en) Alternating current high-potential electric field generating device for fresh-keeping, freezing and refrigeration
CN112413987A (en) Electric field fresh-keeping device and refrigerator applying same
CN210250889U (en) Utilize electromagnetic wave to restrain quick growth's of pathological change tissue wearable equipment
CN110446433A (en) The freezing and storing method of frozen goods
CN206610652U (en) A kind of many transposed conductors of twin-core
CN208708635U (en) Edible object temperature preservation processing device
CN207540239U (en) A kind of wine cabinet being electrically connected using movable device
CN206238244U (en) A kind of high-voltage alternating electric field aquatic products fresh-keeping device
CN216897969U (en) Refrigerator with function of inhibiting cold damage of fruits and vegetables
CN208608495U (en) Convenient for the power supply line of storage
CN103680880A (en) High-power high-frequency transformer
CN209672589U (en) Pressure-air heating device
CN107271736A (en) A kind of special short seal apparatus of transformer test

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210209