CN111336746A - Electric field generating device for refrigerator - Google Patents

Abstract

The invention discloses an electric field generating device for a refrigerator, and relates to the technical field of household appliances. The invention comprises a high voltage generator and an electric field release device; the high-voltage generator comprises a voltage input terminal, a shell, a filling material, a high-voltage transformer, a protective impedance and a voltage output terminal; the high-voltage transformer adopts a power frequency transformer; the electric field release device comprises a voltage input terminal and an insulated wire; the voltage output terminal is connected with the voltage input terminal; the insulated conducting wire can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body. The invention adopts the power frequency transformer and has the function of protecting impedance through the high-voltage generator, and compared with a high-voltage generating circuit consisting of semiconductor power elements, the invention has the advantages of simple process, low cost, long service life, direct contact of an electric field release device by a human body, high safety, no need of thick and heavy insulating materials due to the use of basic insulation, and saving of a large amount of insulating materials.

Description

Electric field generator for refrigerator

technical field

The invention belongs to the technical field of household appliances, in particular to an electric field generating device for refrigerators.

Background technique

Electric field preservation technology has been more and more widely used in the field of food preservation. Electric field preservation has the characteristics of no heating effect, low energy consumption, small temperature rise of food, and basically no effect on the quality of the food itself. Food can be obtained by placing it in the electric field. Better preservation effect.

The existing electric field preservation technology has complex structure and high cost, and also has certain safety hazards due to the existence of high voltage.

At the same time, in practical applications, we found that in the equipment using the existing electric field preservation technology, the preservation effect of some foods is always worse than that of most of the foods that are preserved together. After analysis, it was found that, limited by the existing electric field preservation technology, the uniformity of the electric field, especially some foods in the corners of the equipment, was not covered by enough electric field, so the preservation effect was compromised.

The current existing electric field preservation technology has the following shortcomings: 1. The high-voltage generator is formed by using semiconductor power components, etc., the high-voltage generating device has high cost, limited life and high failure rate; 2. The electric field release device is mostly composed of metal plates and metal rods. The required conductive materials are many and the cost is high; 3. There is a high voltage on the electric field release device, and the safety is not good, so more insulating materials need to be used to ensure the thickness of the insulating material; 4. The electric field release device in the form of a metal plate is used due to For the installation space problem, it is necessary to reserve the corresponding installation and fixed positions in the product design, and it is difficult to upgrade the old equipment;

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an electric field generating device for a refrigerator, which adopts a power frequency transformer and is provided with a protective impedance through a high-voltage generator. Compared with a high-voltage generating circuit composed of semiconductor power elements, it has the advantages of simple process and low cost. , Long service life, the electric field release device can also be directly contacted by the human body, and the safety is high. The realization of basic insulation eliminates the need for heavy insulating materials, and also achieves the advantage of saving a lot of insulating materials.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The invention relates to an electric field generating device for a refrigerator, comprising a high voltage generator and an electric field releasing device; the high voltage generator comprises a voltage input terminal and a casing, a filling material, a high voltage transformer, a protective impedance and a voltage output terminal; The transformer adopts a power frequency transformer; the electric field releasing device includes a voltage input terminal and an insulated wire; the voltage output terminal is connected with the voltage input terminal;

The high-voltage transformer adopts a power-frequency transformer; compared with a high-voltage generating circuit composed of semiconductor power components, it has the advantages of simple process, low cost, and long service life; in addition to the power-frequency transformer, the high-voltage generator device is also provided with a protection The impedance is used to limit the current and discharge, and the number and type of the protective impedance meet the relevant safety requirements, and it belongs to the "can be regarded as a non-charged" part, that is, it has the advantages of direct contact with the human body and high safety; and thus, It can save a lot of insulating materials without using heavy insulating materials; the electric field release device is composed of ordinary insulated wires, which has low requirements on installation space and installation process, and is easy to retrofit and upgrade old equipment; the voltage at the voltage output terminal is high, but With the existence of protective impedance, the discharge current and discharge amount are limited within a safe range, and ordinary insulated wires are used for insulated wires without reinforced insulation.

Further, it also includes a refrigerator box; the refrigerator box includes a refrigerating room, a changing room and a freezing room; the high-voltage generator is fixedly installed inside the refrigerator box; the insulated wire of the electric field release device can be wound around the refrigerator Any position in the inner tank, foam layer and door body of the box;

The insulated wire is wound on any position of the inner tank, the foam layer and the door body of the refrigerator box, and has the advantages of good electric field distribution uniformity and close electric field strength at each point in the space; The distance between each point and the distance between the electric field releasing device is relatively average, the electric field strength is high and the uniformity is good, and each point in the refrigerator space has obtained a good electric field preservation performance.

Further, the filling material adopts epoxy resin material, which has good insulation, heat dissipation, waterproof and other purposes.

Further, the rated operating frequency of the high-voltage transformer is 50-60Hz, and the rated output voltage is 1000-1500V.

Further, the protective impedance is composed of capacitors and/or resistors, and is used to limit the discharge current and the discharge amount within a safe range, so as to achieve the advantages of being directly contactable by the human body and having high safety.

The present invention has the following beneficial effects:

1. The present invention adopts a power frequency transformer through a high-voltage transformer; compared with a high-voltage generating circuit composed of semiconductor power components, it has the advantages of simple process, low cost and long service life.

2. In the present invention, there is also a protective impedance in the high-voltage generator device to limit the current and discharge amount, and the number and type of the protective impedance meet the relevant safety requirements, and belong to "can be regarded as a non-charged" part, although the voltage output The voltage at the terminal is high, but there is a protective impedance, the discharge current and discharge amount are limited within a safe range, and the insulated wire uses ordinary insulated wire, without reinforced insulation; that is, it has the advantages of direct contact with the human body and high safety.

3. The present invention can be directly contacted by the human body through the electric field release device, and the safety is high, so it can save a lot of insulating materials without using heavy insulating materials; the electric field release device is composed of ordinary insulated wires, which requires installation space and installation process. Low cost, easy to retrofit and upgrade old equipment.

4. The invention winds any position of the inner tank, foam layer and door body of the refrigerator box through insulated wires, which has the advantages of good electric field distribution uniformity and close electric field strength at each point in the space; that is, insulation The wire is wound on the space where food preservation needs to be performed. Under this arrangement, the distance between each point in the space and the distance between the electric field release device is relatively uniform, and the electric field distribution is uniform; it has the advantages of significantly improving the food preservation effect, and It also has the advantage of low production cost while significantly improving the food preservation effect.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of an electric field generating device for a refrigerator according to the present invention;

Fig. 2 is the installation schematic diagram of the electric field release device of the present invention and the refrigerator box;

In the accompanying drawings, the list of components represented by each number is as follows:

1- High voltage generator, 2- Electric field release device, 3- Refrigerator box, 101- Voltage input terminal, 102- Filling material, 103- High voltage transformer, 104- Protection impedance, 105- Voltage output terminal, 201- Voltage input terminal , 202-insulated wire, 301-refrigerator, 302-change greenhouse, 303-freezer.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts 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 "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around", etc. Indicates the orientation or positional relationship, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .

1-2, the present invention is an electric field generating device for a refrigerator, including a high voltage generator 1 and an electric field releasing device 2; the high voltage generator 1 includes a voltage input terminal 101 and a casing, a filling material 102, a high voltage Transformer 103, protective impedance 104, and voltage output terminal 105; the high-voltage transformer 103 adopts a power frequency transformer; the electric field release device 2 includes a voltage input terminal 201 and an insulated wire 202; the voltage output terminal 105 is connected to the voltage input terminal 201;

The high-voltage transformer 103 adopts a power-frequency transformer; compared with the high-voltage generating circuit composed of semiconductor power components, it has the advantages of simple process, low cost and long service life; in addition to the power-frequency transformer, the high-voltage generator device 2 is also provided with a protective impedance 104 It is used to limit the current and discharge amount, and the number and type of the protective impedance 104 meet the relevant safety requirements, and belong to "can be regarded as a non-charged" part, that is, it has the advantages of direct contact with the human body and high safety; and thus, There is no need to use heavy insulating materials, saving a lot of insulating materials; the electric field release device 2 is composed of ordinary insulated wires, which has low requirements for installation space and installation process, and is easy to retrofit and upgrade old equipment; the voltage at the voltage output terminal 105 is higher , but there is a protective impedance 104 , the discharge current and the discharge amount are limited within a safe range, and the insulated wire 202 uses ordinary insulated wires without reinforced insulation.

Preferably, it also includes a refrigerator case 3; the refrigerator case 3 includes a refrigerating chamber 301, a variable temperature chamber 302 and a freezing chamber 303; the high-voltage generator 1 is fixedly installed inside the refrigerator case 3; the insulated wire 202 of the electric field release device 2 can be wound around It is made at any position in the inner tank, foam layer and door body of the refrigerator box 3;

The insulated wire 202 is wound on any position of the inner tank, foam layer and door body of the refrigerator box 3, and has the advantages of good electric field distribution uniformity and close electric field intensity at each point in space.

Preferably, the filling material 102 is made of epoxy resin, which has good insulation, heat dissipation, waterproof and other purposes.

Preferably, the rated operating frequency of the high-voltage transformer 103 is 50-60 Hz, and the rated output voltage is 1000-1500V.

Preferably, the protective impedance 104 is composed of capacitors and/or resistors, so as to limit the discharge current and the discharge amount within a safe range, so as to achieve the advantages of being directly contactable by the human body and having high safety.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms 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 above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (5)

1. An electric field generating device for a refrigerator comprises a high voltage generator (1) and an electric field releasing device (2); the method is characterized in that:

the high-voltage generator (1) comprises a voltage input terminal (101), a shell, a filling material (102), a high-voltage transformer (103), a protective impedance (104) and a voltage output terminal (105);

the high-voltage transformer (103) adopts a power frequency transformer;

the electric field release device (2) comprises a voltage input terminal (201) and an insulated wire (202);

the voltage output terminal (105) is connected to the voltage input terminal (201).

2. The electric field generating apparatus for a refrigerator according to claim 1, further comprising a refrigerator body (3); the refrigerator body (3) comprises a refrigerating chamber (301), a temperature changing chamber (302) and a freezing chamber (303); the high-voltage generator (1) is fixedly arranged inside the refrigerator body (3); the insulated conducting wire (202) of the electric field release device (2) can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body (3).

3. The electric field generating apparatus for a refrigerator according to claim 1 or 2, wherein the filling material (102) is an epoxy resin material.

4. The electric field generating apparatus for a refrigerator as claimed in claim 1 or 2, wherein the rated operating frequency of the high voltage transformer (103) is 50-60Hz, and the rated output voltage is 1000-1500V.

5. An electric field generating device for a refrigerator according to claim 1 or 2, characterized in that said protective impedance (104) is constituted by a capacitor and/or a resistor.

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