WO2015127621A1 - 多功能保鲜装置及其控制方法及制冷设备 - Google Patents

多功能保鲜装置及其控制方法及制冷设备 Download PDF

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WO2015127621A1
WO2015127621A1 PCT/CN2014/072627 CN2014072627W WO2015127621A1 WO 2015127621 A1 WO2015127621 A1 WO 2015127621A1 CN 2014072627 W CN2014072627 W CN 2014072627W WO 2015127621 A1 WO2015127621 A1 WO 2015127621A1
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Prior art keywords
fresh
control system
mode circuit
keeping
module
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PCT/CN2014/072627
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English (en)
French (fr)
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杨敏
王海燕
孔冬
彭琦
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海信容声(广东)冰箱有限公司
杨敏
王海燕
孔冬
彭琦
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Application filed by 海信容声(广东)冰箱有限公司, 杨敏, 王海燕, 孔冬, 彭琦 filed Critical 海信容声(广东)冰箱有限公司
Priority to PCT/CN2014/072627 priority Critical patent/WO2015127621A1/zh
Publication of WO2015127621A1 publication Critical patent/WO2015127621A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22—Ionisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/16—Connections to a HVAC unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification

Definitions

  • the invention relates to a multifunctional fresh-keeping device, a control method thereof and a refrigeration device.
  • refrigerators With the increasing living standards of people, refrigerators have become a necessity for household life, and people have higher and higher requirements for the health, hygiene and safety performance of refrigerators.
  • Early refrigerators only relied on low temperature to prolong the storage period of food. Because there is no sterilization function, bacteria still breed in low temperature environment, which leads to spoilage and odor in the process of cold storage, which seriously affects the storage quality of food. .
  • the traditional method of sterilizing the refrigerator is to add antibacterial material to the inner tank of the refrigerator.
  • the existing patent CN201220640207.1 the name is a refrigerator odor removal and preservation device, comprising: a photocatalyst and a carrier are arranged on the top surface of the inner wall of the fixing member, and the LED lamp and the circuit board are fixed on the The bottom surface of the inner wall of the fixing member, the photocatalyst and the carrier and the LED lamp are opposite in the fixing member, so that the LED lamp can illuminate the photocatalyst.
  • the air is circulated from the return air outlet through the odor removal and preservative preservation device.
  • the odor removal and fresh-keeping device continuously adsorbs and removes harmful substances in the air, so that the air in the refrigerator is purified.
  • the technical problem to be solved by the invention is to provide a flexible selection and play the role of preserving, sterilizing and purifying the food in all directions, Multi-functional fresh-keeping device for improving the quality of food storage;
  • the invention also provides a control method of the multifunctional fresh-keeping device
  • the present invention also provides a refrigeration apparatus using the multifunctional preservation device.
  • the utility model relates to a multifunctional fresh-keeping device, which comprises an ion generator, a fresh-keeping mode circuit, a sterilization mode circuit and a control system, wherein the control system is respectively connected with the sterilization mode circuit and the ion generator through a fresh-keeping mode circuit, wherein the control system is further connected with the control system.
  • Filter module and air supply mechanism the filter module is used for purifying air, and the air supply mechanism is used for accelerating gas circulation;
  • control system controls the operation of the ion generator through the fresh-keeping mode circuit
  • the control system controls the air supply mechanism to work simultaneously;
  • the control system controls the operation of the ion generator through the sterilization mode circuit, the control system controls the air supply mechanism to be simultaneously turned off.
  • the air blowing mechanism is operated when the fresh-keeping mode is operated. It not only accelerates the gas circulation, but also helps to circulate the decomposed small-sized water molecules to different locations in the cooling space to fully realize the preservation and purification functions.
  • the output voltage of the positive ion emitter is +1.0 ⁇ +2.5kV.
  • the output voltage of the negative ion emitter is -2.0 ⁇ -3.2kV.
  • the large-sized water molecular group is decomposed into small-sized water molecular clusters, and the small-sized water molecular clusters after decomposition are beneficial to the absorption of fruits and vegetables, thereby realizing the preservation effect on fruits and vegetables.
  • the output voltage of the positive ion emitter is +2.0 ⁇ +4.0kV.
  • the output voltage of the negative ion emitter is -2.5 ⁇ -4.5kV.
  • the positive and negative ion groups initiate a series of reactions in the air, and the active substances produced are electrically neutralized with bacteria, causing the molecular structure to change, thereby inactivating or decomposing the bacteria. In order to achieve the sterilization function.
  • the filtering module is activated carbon fiber or porous ceramic; and the air blowing mechanism is a fan.
  • the preservation mode circuit includes a first high voltage trigger module and a boost module, and the sterilization mode circuit includes a second a high voltage triggering module and the boosting module, wherein a current oscillation frequency output by the first high voltage triggering module is lower than a second high voltage triggering module;
  • the preservation mode circuit includes a high voltage trigger module and a first boosting module
  • the sterilization mode circuit includes the The high voltage trigger module and the second boosting module, the voltage output by the first boosting module is lower than the voltage of the second boosting module.
  • the ion generator comprises an insulating cover, a positive ion emitter, a negative ion emitter, a first functional ring, a second functional ring, an insulating bracket and a top cover;
  • the positive ion emitter and the negative ion emitter are fixed in the insulating cover, and the first functional ring and the second functional ring are both metal rings, and are installed at the opening of the insulating cover through the insulating bracket, and the positive and negative ion emitters are respectively fixed at The central axis position of the first and second functional rings, and the heights of the positive and negative ion emitters respectively do not exceed the first and second functional rings, and the top cover is disposed on the opening of the insulating cover, and the top cover is provided with a grille.
  • the air supply mechanism is adjacent to the filter module, and the rotation plane of the air supply mechanism and the filter module are 45 ⁇ 90 The angle is favorable for the airflow to be sent to the filter module through the air supply mechanism.
  • the invention also discloses a control method of the multifunctional fresh-keeping device, which comprises the following three control modes:
  • control system When the forced freshness mode is activated, the control system turns on the ion generator through the fresh-keeping mode circuit, and simultaneously turns on the air supply mechanism;
  • control system When the forced sterilization mode is activated, the control system turns on the ion generator through the sterilization mode circuit, and simultaneously turns off the air supply mechanism;
  • control system When the forced purge mode is activated, the control system turns off the ionizer and only turns on the air supply mechanism.
  • the present invention also discloses a refrigeration device of a multifunctional fresh-keeping device, which comprises The box body, the inner tank disposed on the inner wall of the tank body, and the multifunctional fresh-keeping device disposed at the top of the inner tank, the back or the air duct cover.
  • the multifunctional fresh-keeping device provided by the invention comprises an ion generator with both fresh-keeping and sterilizing functions, a filtering module with a purifying function, and a blowing mechanism for accelerating air circulation, which is not only simple in structure but also low in manufacturing cost.
  • the multifunctional fresh-keeping device provided by the invention adopts an ion generator, can realize the function of preserving and sterilizing by controlling the switching between the fresh-keeping mode and the sterilization mode, and adopts a filtering module, which can purify the interior of the refrigerator.
  • the air supply mechanism can accelerate the flow of air and improve the sterilization performance and purification performance.
  • the refrigerator provided by the invention has the above-mentioned multifunctional fresh-keeping device installed therein, and plays a role of preserving, sterilizing and purifying the food in the refrigerator compartment in an all-round manner, thereby greatly improving the quality of food storage.
  • Figure 1 is a schematic view showing the structure of the multifunctional fresh-keeping device
  • Figure 2 is a schematic view of the structure of the ion generator
  • Figure 3A is an electrical circuit schematic diagram of the ion generator
  • Figure 3B is another electrical circuit schematic of the ionizer
  • Figure 4 is a control flow chart of the multifunctional fresh-keeping device.
  • FIG. 1 is a schematic structural diagram of a multi-functional fresh-keeping device provided by the present invention, which includes an ion generator 110, a filter module 120, and a fan. 130, fan bracket 140 and housing 150.
  • the ionizer 110 and the outer cover 150 are connected by a snap (not shown), and the filter module 120 and the outer cover 150
  • the fan 130 and the housing 150 are connected by a fan bracket 140 by a snap (not shown) connection.
  • the filter module 120 is a block material having a purifying function, and may be an activated carbon fiber or a porous ceramic.
  • FIG. 2 it is a schematic structural diagram of the ion generator 110, which includes an insulating cover 210, a positive ion emitter 220, a negative ion emitter 230, a first functional ring 240, a second functional ring 250, an insulating bracket 260, and a top. Cover 270.
  • the positive ion emitter 220 and the negative ion emitter 230 are tungsten needle electrodes or carbon brush electrodes, and the positive ion emitter 220 and the negative ion emitter 230 are fixed to the bottom of the insulating cover 210 by epoxy resin.
  • the first functional ring 240 and the second functional ring 250 are both metal rings and have an inner diameter of 5 ⁇ 20mm
  • the insulating bracket 260 is mounted on the inner wall of the insulating cover 210 at the opening of the insulating cover 210 and parallel to the bottom of the insulating cover 210.
  • the positive ion emitter 220 is fixed at the central axis position of the first functional ring 240
  • the negative ion emitter 230 is fixed at the central axis position of the second functional ring 250
  • the height of the positive ion emitter 220 does not exceed the first functional ring 240, the negative ion The height of the emitter 230 does not exceed the second functional ring 250.
  • the insulating cover 210 is further provided with a top cover 270, and the top cover 270 is provided with a grille for gas circulation. It can be understood that there may be multiple positive ion emitters 220 and negative ion emitters 230.
  • the air blowing mechanism 130 is adjacent to the filter module 120, and the rotation plane of the air blowing mechanism 130 is at an angle of 45 to 90 with the filtering module 120.
  • FIG. 3A it is an electrical circuit schematic of the ionizer 110.
  • the ion generator 110 obtains different current oscillation frequencies by using two different high voltage trigger modules of the high voltage trigger module 1 and the high voltage trigger module 2, and then obtains the high voltage required for the preservation function and the sterilization function after passing through the same boosting module.
  • the ionizer 110 can also be used to change the boosting module of the DC power source, and take different coils to boost the coils, thereby obtaining the high voltage required for the fresh-keeping function and the sterilization function, as shown in FIG.
  • the preserving mode circuit includes a high voltage triggering module and a boosting module 1
  • the sterilization mode circuit includes the high voltage triggering module and the boosting module 2
  • the voltage output by the boosting module 1 is lower than the voltage of the boosting module 2 .
  • the ionizer 110 turns on the fresh-keeping mode circuit, at which time the output voltage of the positive ion emitter 220 is +1.0 ⁇ +2.5kV, the output voltage of the negative ion emitter is -2.0 ⁇ -3.2kV, and the positive ion emitter 220 is between the first functional ring 240 and the negative ion emitter 230.
  • the strong electric field formed between the second functional ring 250 and the cluster of water molecules in the air will destroy the cluster structure of the water molecules in the air.
  • the large-sized water molecular group is decomposed into small-sized water molecular clusters, and the small-sized water molecular clusters after decomposition are beneficial to the absorption of fruits and vegetables, thereby realizing the preservation effect on fruits and vegetables.
  • the output voltages of the positive ion emitter 220 and the negative ion emitter 230 are +2.5 kV and -3.0 kV, respectively, the preservation effect of fruits and vegetables is optimal.
  • the ionizer 110 turns on the sterilization mode circuit, and the output voltage of the positive ion emitter 220 is +2.0 ⁇ +4.0kV, the output voltage of the negative ion emitter is -2.5 ⁇ -4.5kV, and the positive ion emitter 220 and the negative ion emitter 230
  • the high voltage directly ionizes the air to form a large amount of positive ions and negative ions.
  • the positive and negative ion groups initiate a series of reactions in the air, and the generated active substances react with the bacteria to neutralize the molecular structure, thereby causing the bacteria to lose. Live or decompose to achieve the sterilization function.
  • the positive ion emitter The output voltage of 220 and negative ion emitter 230 are 3.5kV and -4.0kV, respectively, and the sterilization effect is the best.
  • FIG 4 it is the control flow chart of the multifunctional fresh-keeping device.
  • Multifunctional fresh-keeping device Through the control system, the switch is forced to keep fresh, forced sterilization, and forced purification mode to achieve the functions of preservation, sterilization and purification.
  • the control system turns on the ion generator, turns on the fresh-keeping mode circuit, and simultaneously turns on the fan, which not only accelerates the gas circulation, but also helps to circulate the decomposed small-sized water molecules to the refrigerator compartment. Different positions to fully realize the preservation and purification functions.
  • the control system When the forced sterilization mode is activated, the control system turns on the ionizer, turns on the sterilization mode circuit, and turns off the fan to achieve the sterilization and purification functions.
  • the purpose of turning off the fan is to prevent the accelerated circulation of the gas from affecting the sterilization performance.
  • control system When the forced purge mode is activated, the control system turns off the ionizer, turning on only the fan, accelerating the gas cycle, and only implementing the air purification function.
  • the present invention further provides a refrigerator, the refrigerator comprising a box body, a liner disposed on the inner wall of the box body, and a multifunctional fresh-keeping device disposed on the inner liner, the multifunctional function
  • the freshness keeping device is the multifunctional freshness keeping device provided in the above embodiment.
  • the multifunctional fresh-keeping device may be disposed at the top of the refrigerator liner, or at the back of the refrigerator liner, or at the air duct cover of the refrigerator (air-cooled refrigerator).
  • the multifunctional fresh-keeping device provided by the invention can also be applied to a freezer to play the role of preservation, sterilization and purification to improve the quality of food storage.
  • the multifunctional fresh-keeping device provided by the invention can also be applied to an air conditioner to perform air moisturizing, sterilizing and purifying effects to improve air quality.

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Abstract

一种多功能保鲜装置及其控制方法及制冷设备，包括离子发生器（110）、保鲜模式电路、除菌模式电路及控制系统，控制系统分别通过保鲜模式电路与除菌模式电路与离子发生器（110）连接，其中，还包括与控制系统连接的过滤模块（120）及送风机构（130），过滤模块（120）用于净化空气，送风机构（130）用于加速气体流通；当控制系统通过保鲜模式电路控制离子发生器（110）工作时，控制系统控制送风机构（130）同时工作；当控制系统通过除菌模式电路控制离子发生器（110）工作时，控制系统控制送风机构（130）同时关闭。具备选择灵活、且对食品全方位地起到保鲜、除菌和净化的作用、大大提高食品储藏质量等优点。

Description

多功能保鲜装置及其控制方法及制冷设备
技术领域
本发明涉及一种多功能保鲜装置及其控制方法及制冷设备。
背景技术
随着人们生活水平的日益提高，冰箱已经成为家用生活的必需品，人们对冰箱的健康、卫生和安全性能的要求也越来越高。早期的冰箱仅仅依靠低温来延长食品储藏期，由于不带有任何除菌功能，细菌在低温环境下仍然滋生繁殖，由此导致食品在冷藏过程中腐败变质并产生异味，严重影响食品的储藏质量。传统的冰箱除菌方法是在冰箱内胆里加入抗菌材料，虽然有一定的除菌效果，但是只能杀死与冰箱内胆壁面接触的细菌，在食品表面和冰箱内部气氛中游离的细菌仍在不断滋生繁殖，导致食品在储藏过程中腐败变质并产生异味，从而影响食品的储藏质量。
为解决此问题，现有专利CN201220640207.1，名称为一种冰箱除异味除菌保鲜装置，其包括：在所述固定件的内壁顶面设有光触媒及载体，LED灯及电路板固设于所述固定件的内壁底面，光触媒及载体和LED灯在固定件内的位置相对，便于LED灯对光触媒进行照射。使用时空气从回风口经过除异味除菌保鲜装置进行循环，循环过程中，除异味除菌保鲜装置不断吸附并除去空气中的有害物质，使得冰箱内空气得到净化。
然而，此专利的除菌保鲜的选择方式单一，且除菌保鲜的效果也较差。
发明内容
本发明所要解决的技术问题是，提供一种选择灵活、且对 食品全方位地起到保鲜、除菌和净化的作用、大大 提高食品储藏质量的 多功能保鲜装置；
本发明还提供一种所述多功能保鲜装置的控制方法；
本发明还提供一种利用所述多功能保鲜装置的制冷设备。
为解决上述技术问题，本发明采用的技术方案是： 一种多功能保鲜装置，包括离子发生器、保鲜模式电路、除菌模式电路及控制系统，控制系统分别通过保鲜模式电路与除菌模式电路与离子发生器连接，其中，还包括与控制系统连接的过滤模块及送风机构，过滤模块用于净化空气，送风机构用于加速气体流通；
当控制系统通过保鲜模式电路控制离子发生器工作时，控制系统控制送风机构同时工作；当控制系统通过除菌模式电路控制离子发生器工作时，控制系统控制送风机构同时关闭。
本方案中，通过增加过滤模块及送风机构，在运行保鲜模式时，运行送风机构， 不仅使气体循环加速，同时有助于将分解后的小尺寸水分子团循环流通至制冷空间的不同位置，以充分实现保鲜和净化功能。
当控制系统通过保鲜模式电路控制离子发生器工作时，正离子发射极的输出电压为 +1.0~+2.5kV 、负离子发射极的输出电压为 -2.0~-3.2kV 。此电压范围内， 有利于 破坏空气中的水分子团的团簇结构，将 大尺寸水分子团分解为小尺寸水分子团，分解后的小尺寸水分子团有利于果蔬的吸收，从而实现对果蔬起到保鲜的作用。
当控制系统通过除菌模式电路控制离子发生器工作时，正离子发射极的输出电压为 +2.0~+4.0kV 、负离子发射极的输出电压为 -2.5~-4.5kV 。此电压范围内， 会直接电离空气形成大量的正离子和负离子，正、负离子群在空气中引发一系列反应，所产生的活性物质与细菌发生电中和反应，使其分子结构改变，从而使细菌失活或分解，以此实现除菌功能。
具体的，所述过滤模块为活性炭纤维或多孔陶瓷；所述送风机构为风扇。
所述 保鲜模式电路包括第一 高压触发模块及升压模块 ，所述除菌模式电路包括第二 高压触发模块及所述升压模块，所述 第一 高压触发模块输出的电流振荡频率较 第二 高压触发模块低；
所述 保鲜模式电路包括 高压触发模块及第一升压模块 ，所述除菌模式电路包括所述 高压触发模块及第二升压模块，所述第一升压模块输出的电压较 第二 升压模块的电压低。
所述离子发生器包括 绝缘壳罩、正离子发射极、负离子发射极、第一功能环、第二功能环、绝缘支架和顶盖；
正离子发射极与负离子发射极固定于绝缘壳罩内，第一功能环与第二功能环均为金属圆环，通过绝缘支架安装在绝缘壳罩的开口处，正、负离子发射极分别固定在第一、第二功能环的中轴位置，且正、负离子发射极的高度分别不超过第一、第二功能环，顶盖设于绝缘壳罩开口上，顶盖上设置有格栅。
送风机构与过滤模块相邻，且送风机构的旋转平面与过滤模块呈 45~90 夹角，有利于气流通过送风机构后送至过滤模块。
同时，本发明还公开 一种 多功能保鲜装置的控制方法， 其包括以下三种控制模式：
当启动强制保鲜模式时，控制系统通过 保鲜模式电路 开启离子发生器，同时开启送风机构；
当启动强制除菌模式时，控制系统通过 除菌模式电路 开启离子发生器，同时关闭送风机构；
当启动强制净化模式时，控制系统关闭离子发生器，仅开启送风机构。
另外，本发明还公开 一种 多功能保鲜装置的制冷设备，其包括 箱体、设置在箱体内壁上的内胆以及设置在内胆顶部、背部或风道盖板处的多功能保鲜装置。
与现有技术相比，本发明的有益效果是：
本发明提供的多功能保鲜装置，包括兼具保鲜和除菌功能的离子发生器、具有净化功能的过滤模块以及加速空气流通的送风机构，不仅结构简单，而且制造成本低。另外，本发明提供的多功能保鲜装置，采用离子发生器，能够通过控制保鲜模式与除菌模式的切换，实现保鲜功能与除菌功能，采用过滤模块，能够在冰箱间室内起到净化作用，采用送风机构，能够加速空气的流动，提高除菌性能和净化性能。本发明提供的冰箱，内部安装有上述的多功能保鲜装置，对冰箱间室中的食品全方位地起到保鲜、除菌和净化的作用，大大提高食品储藏质量。
附图说明
图1多功能保鲜装置的结构示意图；
图2 离子发生器的结构示意图；
图3A离子发生器的电气电路原理图；
图3B离子发生器的另一电气电路原理图；
图4多功能保鲜装置的控制流程图。
具体实施方式
下面结合具体实施方式对本发明作进一步的说明。其中，附图仅用于示例性说明，表示的仅是示意图，而非实物图，不能理解为对本专利的限制；为了更好地说明本发明的实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。
本发明实施例的附图中相同或相似的标号对应相同或相似的部件；在本发明的描述中，需要理解的是，若有术语'上'、'下'、'左'、'右'、'竖直'、'水平'、'顶'、'底'、'内'、'外'等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制。
如图1所示，为本发明提供的多功能保鲜装置的结构示意图，其包括离子发生器110、过滤模块120、 风扇 130 、风扇支架 140 和外罩 150 。其中，离子发生器 110 与外罩 150 通过卡扣 ( 未图示 ) 连接，过滤模块 120 与外罩 150 通过卡扣 ( 未图示 ) 连接，风扇 130 与外罩 150 通过风扇支架 140 连接。 过滤模块120为具有净化功能的块状材料，可以为活性炭纤维，也可以为多孔陶瓷。
如图2所示，为离子发生器110的结构示意图，其包括绝缘壳罩210、正离子发射极220、负离子发射极230、第一功能环240、第二功能环250、绝缘支架260和顶盖270。其中，正离子发射极220与负离子发射极230为钨针电极或碳刷电极，采用环氧树脂将正离子发射极220与负离子发射极230固定于绝缘壳罩210中的底部。第一功能环240与第二功能环250均为金属圆环，内径为 5~20mm ，通过绝缘支架260安装在绝缘壳罩210的内壁上，且位于绝缘壳罩210的开口处，并与绝缘壳罩210的底部平行。正离子发射极220固定在第一功能环240的中轴位置，负离子发射极230固定在第二功能环250的中轴位置，且正离子发射极220的高度不超过第一功能环240，负离子发射极230的高度不超过第二功能环250。绝缘壳罩210还设置有顶盖270，顶盖270上设置有格栅，起到气体流通的作用。可以理解，正离子发射极220与负离子发射极230可以为多个。 所述 送风机构 130 与过滤模块 120 相邻，且送风机构 130 的旋转平面与过滤模块 120 呈 45~90 夹角。
如图3A所示，为离子发生器110的电气电路原理图。离子发生器110通过采用高压触发模块1和高压触发模块2两种不同的高压触发模块，得到不同的电流振荡频率，再经过同一升压模块后，分别得到保鲜功能和除菌功能所需的高压。当然，离子发生器110还可以只通过改变直流电源的升压模块，取不同的绕组比线圈升压，分别得到保鲜功能和除菌功能所需的高压，如图3B所示，具体为 所述 保鲜模式电路包括 高压触发模块及升压模块1 ，所述除菌模式电路包括所述 高压触发模块及升压模块2，所述升压模块1输出的电压较升压模块2的电压低。
当 启动保鲜模式时，离子发生器110接通保鲜模式电路，此时 正离子发射极 220 的输出电压为 +1.0~+2.5kV 、负离子发射极的输出电压为 -2.0~-3.2kV ，且正离子发射极 220 与第一功能环 240 之间、负离子发射极 230 与第二功能环 250 之间形成的强电场会 破坏空气中的水分子团的团簇结构，将 大尺寸水分子团分解为小尺寸水分子团，分解后的小尺寸水分子团有利于果蔬的吸收，从而实现对果蔬起到保鲜的作用。 优选地，当正离子发射极220与负离子发射极230的输出电压分别为 +2.5kV 和 -3.0kV ，对果蔬的保鲜效果最佳。
当启动除菌模式时，离子发生器110接通除菌模式电路，此时正离子发射极220的输出电压为 +2.0~+4.0kV 、负离子发射极的输出电压为 -2.5~-4.5kV ，且正离子发射极 220 与负离子发射极 230 的高电压会直接电离空气形成大量的正离子和负离子，正、负离子群在空气中引发一系列反应，所产生的活性物质与细菌发生电中和反应，使其分子结构改变，从而使细菌失活或分解，以此实现除菌功能。优选地，当正离子发射极 220 与负离子发射极 230 的输出电压分别为 3.5kV 和 -4.0kV ，除菌效果最佳。
如图 4 所示，为 多功能保鲜装置的控制流程图。多功能保鲜装置 通过控制系统选择切换强制保鲜、强制除菌、强制净化模式以实现保鲜、除菌与净化功能。请参阅图 4 ，当启动强制保鲜模式时，控制系统开启离子发生器，接通保鲜模式电路，同时开启风扇，不仅使气体循环加速，同时有助于将分解后的小尺寸水分子团循环流通至冰箱间室不同位置，以充分实现保鲜和净化功能。
当启动强制除菌模式时，控制系统开启离子发生器，接通除菌模式电路，同时关闭风扇，以实现除菌和净化功能。关闭风扇的目的是为了避免气体加速流通影响除菌性能。
当启动强制净化模式时，控制系统关闭离子发生器，仅开启风扇，使气体循环加速，仅实现空气净化功能。
基于上述实施例提供的多功能保鲜装置，本发明还提供了一种冰箱，该冰箱包括箱体、设置在箱体内壁上的内胆以及设置在内胆上的多功能保鲜装置，该多功能保鲜装置为上述实施例中提供的多功能保鲜装置。
上述冰箱中，多功能保鲜装置可以设置在冰箱内胆的顶部，也可以设置在冰箱内胆的背部，还可以设置在冰箱(风冷冰箱)的风道盖板处。
显然，本发明提供的多功能保鲜装置，还可以应用于冷柜，起到保鲜、除菌和净化的作用，以提高食品储藏质量。本发明提供的多功能保鲜装置，也可以在应用于空调，起到空气保湿、除菌和净化作用，以改善空气质量。

Claims (10)

  1. 一种多功能保鲜装置，包括离子发生器（ 110 ）、保鲜模式电路、除菌模式电路及控制系统，控制系统分别通过保鲜模式电路与除菌模式电路与离子发生器（ 110 ）连接，其特征在于，还包括与控制系统连接的过滤模块（ 120 ）及送风机构（ 130 ），过滤模块（ 120 ）用于净化空气，送风机构（ 130 ）用于加速气体流通；
    当控制系统通过保鲜模式电路控制离子发生器（ 110 ）工作时，控制系统控制送风机构（ 130 ）同时工作；当控制系统通过除菌模式电路控制离子发生器（ 110 ）工作时，控制系统控制送风机构（ 130 ）同时关闭。
  2. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于， 当控制系统通过保鲜模式电路控制离子发生器（ 110 ）工作时，正离子发射极（ 220 ）的输出电压为 +1.0~+2.5kV 、负离子发射极（ 230 ）的输出电压为 -2.0~-3.2kV 。
  3. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于， 当控制系统通过除菌模式电路控制离子发生器工作时，正离子发射极（ 220 ）的输出电压为 +2.0~+4.0kV 、负离子发射极（ 230 ）的输出电压为 -2.5~-4.5kV 。
  4. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于，所述过滤模块 （ 120 ） 为活性炭纤维或多孔陶瓷；所述送风机构 （ 130 ） 为风扇。
  5. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于，所述 保鲜模式电路包括第一 高压触发模块及升压模块 ，所述除菌模式电路包括第二 高压触发模块及所述升压模块，所述 第一 高压触发模块输出的电流振荡频率较 第二 高压触发模块低。
  6. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于，所述 保鲜模式电路包括 高压触发模块及第一升压模块 ，所述除菌模式电路包括所述 高压触发模块及第二升压模块，所述第一升压模块输出的电压较 第二升压模块的电压低。
  7. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于，所述离子发生器包括 绝缘壳罩（210）、正离子发射极（220）、负离子发射极（230）、第一功能环（240）、第二功能环（250）、绝缘支架（260）和顶盖（270）；
    正离子发射极（220）与负离子发射极（230）固定于绝缘壳罩（210）内，第一功能环（240）与第二功能环（250）均为金属圆环，通过绝缘支架（260）安装在绝缘壳罩（210）的开口处，正、负离子发射极（220、230）分别固定在第一、第二功能环（240、250）的中轴位置，且正、负离子发射极（220、230）的高度分别不超过第一、第二功能环（240、250），顶盖（270）设于绝缘壳罩（210）开口上，顶盖（270）上设置有格栅。
  8. 根据权利要求 1 所述的 多功能保鲜装置， 其特征在于，所述 送风机构（ 130 ）与过滤模块（ 120 ）相邻，且送风机构 (130) 的旋转平面与过滤模块 (120) 呈 45~90 夹角。
  9. 一种根据权利要求 1 至 8 任一项所述的 多功能保鲜装置的控制方法， 其特征在于，包括以下三种控制模式：
    当启动强制保鲜模式时，控制系统通过 保鲜模式电路 开启离子发生器 （ 110 ） ，同时开启送风机构 （ 130 ） ；
    当启动强制除菌模式时，控制系统通过 除菌模式电路 开启离子发生器 （ 110 ） ，同时关闭送风机构 （ 130 ） ；
    当启动强制净化模式时，控制系统关闭离子发生器 （ 110 ） ，仅开启送风机构 （ 130 ） 。
  10. 一种根据权利要求 1 至 8 任一项所述的 多功能保鲜装置的制冷设备，所述制冷装置包括箱体、设置在箱体内壁上的内胆以及设置在内胆顶部、背部或风道盖板处的多功能保鲜装置。
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