CN101086412A - Refrigerator - Google Patents

Abstract

The invention discloses a fridge, which comprises the following parts: vegetable chamber to place vegetable, sensor to sense whether the vegetable chamber has vegetable, light source to irradiate the vegetable chamber selectively according to the sensing result of sensor. The invention saves power because the light source isn't bright at vegetable chamber without vegetable, which prevents temperature of freezing chamber and vegetable chamber from unnecessary rising.

Description

Refrigerator

Technical field

The present invention relates to a kind of refrigerator, especially have and to preserve the refrigerator of the vegetable compartment of food such as vegetables freshlyer.

Background technology

Usually, refrigerator comprises refrigerating chamber and refrigerating chamber.The a certain position of refrigerating chamber is provided with the vegetable compartment that can preserve greengrocery and fruits (below be referred to as " vegetables ") freshlyer.

According to general knowledge, to comprising temperature, humidity, environmental gas, microorganism, light etc. in the influential factor of the freshness of vegetables.Because vegetables continue to breathe and evaporation,, need to suppress its breathing and evaporation therefore in order to keep the freshness of vegetables.Under low-temperature condition, obstacle can take place in the breathing of most of vegetables, and its evaporation meeting is suppressed under very high damp condition.Therefore refrigerator is preserved vegetables for long-term freshly, and the vegetable compartment that independently is used to preserve vegetables with refrigerating chamber mutually is set.Vegetable compartment is kept suitable low-temperature condition and possible high wet condition.That is, vegetable compartment is kept suitable low temperature and high wet condition, allows the vegetables that are kept in the vegetable compartment keep freshness.

Recently, proposed to influence another influence factor---the light of freshness, utilized light to keep freshness by vegetables.It is reported that high light promotes change color and the evaporation of vegetables, the opposite low light level is kept freshness to vegetables positive role.In addition, this low light level for green blade vegetables, can suppress chlorophyllous decomposition especially, prevents the loss of Vitamin C.

Fig. 1 is that Japan's special permission discloses the disclosed refrigerator schematic diagram that utilizes the vegetable compartment of light flat 9-28363 number.On the vegetables box 20 of refrigerator 10, be provided with irradiation unit 23, can prevent that the chlorophyll concentration of green vegetables class from descending, prevent that the greengrocery quality from descending.

In addition, at refrigerator 10, particularly the top of vegetables box 20 is provided with illuminating lamp tube 29, and under vegetables box 20 opened state, illuminating lamp tube 29 is lighted, and allows the user vegetables that preserve of observation post easily; Under vegetables box 20 closing state, irradiation unit 23 is lighted, and utilizes light to prevent that the quality of green vegetables from descending.

Special permission discloses in flat 11-159953 number in Japan, utilizes the light emitting diode of visible region to constitute light source, makes the caloric value of light source drop to minimum level, prevents that the temperature in the vegetable compartment from rising.

In open 2005-49093 number of Japan's special permission, adopted red light emitting diodes with about 660nm wavelength.

In open 2005-65622 number of Japan's special permission, vegetable compartment is divided into several preserving chambers, install and shine the irradiation unit of suitable wavelength light according to the kind of vegetables.In more detail,, use red, blue, green 3 look light emitting diodes,,, select glow color by combination according to the kind of greengrocery etc. as light emitting diode.

But the refrigerator with vegetable compartment of utilizing light of prior art, there are the following problems:

The 1st, existing refrigerator no matter whether vegetables are arranged, is put bright light source always in vegetables box.That is, even there are not vegetables to put bright light source in the vegetables box yet.Usually, as the light emitting diode that the light source of refrigerator vegetable chamber uses, its power is 0.1-1W.Owing to light constantly, the power consumption of refrigerator increases.That is, there is power wastage unnecessary in existing refrigerator.

The 2nd, behind the light source igniting, produce heat inevitably, cause vegetable compartment with and/or the temperature of refrigerating chamber rise.

Summary of the invention

Technical problem to be solved by this invention is that a kind of refrigerator that can prevent power wastage is provided; Prevent refrigerating chamber with and/or the temperature of vegetable compartment unnecessarily rise.

For the technical solution problem, the technical solution used in the present invention is: a kind of refrigerator comprises the vegetable compartment of putting vegetables; To whether vegetables, the sensor that carries out perception are arranged in the vegetable compartment; According to the sensing results of sensor, be allowed a choice to the light source of vegetable compartment irradiates light.

Described light source is a light emitting diode.

Described sensor is an optical sensor.

Described optical sensor is arranged on the dividing plate of vegetable compartment.

Described sensor is a weight sensor.

The invention has the beneficial effects as follows: in vegetables box, do not have not put bright light source under the situations of vegetables, can prevent power wastage.In addition, in vegetable compartment, do not have not put bright light source under the situations of vegetables, can prevent refrigerating chamber and/temperature of vegetable compartment unnecessarily rises.

Description of drawings

Fig. 1 is the current refrigerator schematic diagram.

Fig. 2 is refrigerator one an embodiment schematic diagram of the present invention.

Fig. 3 a is a vegetable compartment section light source igniting view of the present invention.

Fig. 3 b is that vegetable compartment section light source of the present invention extinguishes view.

Fig. 4 is another embodiment schematic diagram of vegetable compartment section of the present invention.

Among the figure:

100: refrigerator 200: vegetable compartment

110: refrigerating chamber 120: refrigerating chamber

210a, 210b, 210c: vegetables box 230: light source

300,330: sensor 250: switch

410,420,270a, 270b: dividing plate

The specific embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:

Shown in Fig. 2, Fig. 3 a, Fig. 3 b, the refrigerator 100 of most preferred embodiment of the present invention has refrigerating chamber 110 and refrigerating chamber 120.In refrigerating chamber 120, be typically provided with independent vegetable compartment 200.Vegetable compartment 200 is arranged on the lower end of refrigerator 120 usually.

Below, vegetable compartment 200 is elaborated:

Vegetable compartment 200 can be one, also can be divided into a plurality of.The refrigerator 100 that shows among Fig. 2 has a plurality of vegetable compartment.In this case, in each vegetable compartment, put each vegetables box 210a, 210b, 210c.Vegetables box 210c bottom has the temperature-adjusting device 280 that can regulate temperature and is advisable, so that preserve meat or vegetables as required with being allowed a choice.

Below, for the convenience on illustrating, be that example describes with the vegetable compartment of topmost.The structural similarity of the structure of other vegetable compartment and top vegetable compartment omits its explanation.

In refrigerating chamber 120, be formed with the space of accommodating vegetables box 210a.That is, form the space, in the space, be provided with vegetables box 2 10a by downside dividing plate 270b, upside dividing plate 270ba, left and right sides dividing plate 420,410, rear side dividing plate (figure slightly).Vegetables box 210a can have the open structure in top to the positive extraction of refrigerator.But vegetable compartment 200 structures of the present invention are not subject to structure, can change by various ways.

In addition, on upside dividing plate 270a, can be provided with to the light source 230 of vegetables box 210a irradiation light and the switch 250 of operation light source.As light source 230, as long as can shine the low light level, keep the freshness of vegetables to vegetables, can use any light source, but, use light emitting diode to be advisable in order to reduce caloric value and to reduce power consumption.

At the ad-hoc location of refrigerating chamber 120, be provided with whether putting the sensor 300 that vegetables carry out perception among the vegetables box 210a.That is, among the present invention,, only when vegetables are arranged, allow light source 230 light by among the sensor 300 perception vegetables box 210a whether vegetables being arranged.

Below, sensor 300 is elaborated:

As sensor 300,, can use any sensor as long as can among the perception vegetables box 210a whether vegetables be arranged.Such as, shown in Fig. 2, Fig. 3 a, Fig. 3 b, use optical sensor.When adopting optical sensor, can use the optical sensor 300 that constitutes by light-projecting portion 310 and light absorbing part 320.In addition, consider the easy degree that is provided with, can use and throw light absorbing part integrated type optical sensor.

Below, with reference to Fig. 3 a, Fig. 3 b, refrigerator work principle of the present invention is described:

Shown in Fig. 3 a, in vegetables box 210a, to put under the situation of vegetables, the light of light-projecting portion 3 10 irradiations can not arrive light absorbing part 320.According to this state, be judged as among the vegetables box 210a has vegetables to control part (figure slightly), some bright light source 230.

On the contrary, shown in Fig. 3 b, when not having vegetables among the vegetables box 210a, the light of light-projecting portion 310 irradiations reaches light absorbing part 320.According to this state, be judged as among the vegetables box 210a does not have vegetables to control part (figure slightly), allows light source 230 extinguish.

Below, with reference to Fig. 4, another embodiment describes to refrigerator of the present invention:

The principle of present embodiment is identical with the principle of the foregoing description.Just embodiments of the invention have improved the easy degree that sensor is set.

In more detail, in the foregoing description, sensor 300, promptly light-projecting portion 310 and light absorbing part 320 are arranged on the vegetables box 210a.But, in this structure, be not easy accessories such as setting and sensor 300 wire connecting.In the present embodiment, sensor 300 is arranged on refrigerator shelf such as light-projecting portion 310 and light absorbing part 320, particularly is arranged on the left and right sides dividing plate 420,410.At this moment, vegetables box 210 at least with the part 211 of light-projecting portion 310 and light absorbing part 320 adjacency, constitute by transparent material that can printing opacity.The effect of present embodiment is same as the previously described embodiments, therefore omits its detailed description.

In addition,,, can adopt any sensor, also can suitably make up different types of sensor and use as long as can carry out perception to whether having put vegetables in the vegetables box as sensor.That is, except that optical sensor, can also use proximity sense (proximity sensor), weight sensor etc.When adopting weight sensor, weight sensor is arranged on the downside dividing plate of vegetable compartment, promptly the vegetables box downside is advisable.

In addition, in the above-described embodiments, the also vertical refrigerator that is divided in left and right sides with refrigerating chamber and refrigerating chamber is that example is illustrated.But the present invention is not subject to this structure.That is, also going for having upside is formed with refrigerating chamber, downside and is formed with refrigerating chamber or upside and is formed with the last following formula refrigerator that refrigerating chamber, downside are formed with refrigerating chamber.

In addition, in the foregoing description, be that example is illustrated to have the main refrigerator of preserving the vegetable compartment of greengrocery and fruits.But the present invention is not subject to said structure.Such as go for mainly preserving the kraut refrigerator of pickles, mainly preserve the rice cylinder of cereal, mainly preserve the wine bunker etc. of drinks etc.In addition, principle of the present invention goes for storing the device of other food such as meat.

Claims (5)

1, a kind of refrigerator is characterized in that: comprise the vegetable compartment of putting vegetables; To whether vegetables, the sensor that carries out perception are arranged in the vegetable compartment; According to the sensing results of sensor, be allowed a choice to the light source of vegetable compartment irradiates light.

2, refrigerator according to claim 1 is characterized in that: described light source is a light emitting diode.

3, refrigerator according to claim 1 and 2 is characterized in that: described sensor is an optical sensor.

4, refrigerator according to claim 3 is characterized in that: described optical sensor is arranged on the dividing plate of vegetable compartment.

5, refrigerator according to claim 1 and 2 is characterized in that: described sensor is a weight sensor.

Images