CN204460886U - Wind cooling refrigerator - Google Patents

Abstract

The utility model provides a kind of wind cooling refrigerator, comprises refrigerating chamber, and it also comprises: the hothouse with autonomous closure space, is arranged in refrigerating chamber; Hothouse has the return air inlet of the air inlet flowed into for the air through low-temperature receiver cooling and the air outflow Gong displacing, and wherein return air inlet place is provided with the ventilated membrane that blocks water.The utility model arranges at the return air inlet place of hothouse the ventilated membrane that blocks water, the utilization ventilated membrane that blocks water realizes airflow, to ensure that the Cryogenic air sent into can replace humid air in hothouse, and outside high humidity steam is stoped to enter in hothouse changing after wind terminates.The design of the utility model hothouse is more simple, and performance is more good, and reduces manufacturing cost.

Description

Wind cooling refrigerator

Technical field

The utility model relates to refrigerator technical field, particularly relates to a kind of wind cooling refrigerator.

Background technology

With the expectation of consumer for healthy Lifestyle more, dried food and nuts food materials proportions in dietary structure such as matrimony vine, tealeaves, mushroom, longan, Cordyceps sinensis raise gradually.But these dried food and nuts food materials very not easily store, and preserve if be placed in normal temperature, when drawing badly, the holding time has been grown easy variable color, has gone bad, and causes nutrient loss; If be placed on the indoor preservation of refrigerator cold-storage, the impact being easily subject to other foods in refrigerating chamber causes making moist, and causes mouldy, rotten.The how long term storage dried food and nuts food materials problem that to be letters to be solved.

For addressing this problem, occurring in prior art increasing room between adjusting humidity on refrigeration for refrigerator function basis, such as, in the refrigerating chamber of refrigerator, having formed the space of autonomous closure as hothouse.Its drying principles is generally: to hothouse transporting low temperature gas, by the displacement of dry room air and the rise of temperature, reduces the relative humidity of dry room air, reaches dry object.Utilize this principle, hothouse needs when cold gas carry, maintains the circulation of air unimpeded, and when after temperature recovery, in order to maintain case inner drying degree, needs again a good sealing effectiveness, does not allow the recirculation of wet air in the external world.

In existing hothouse, simultaneously a class arranges inlet air door and return air air door, utilizes inlet air door and the unlatching of return air air door and the control of closedown, realize the dry place in hothouse.The aridity of this hothouse is better, but complex structural designs, high expensive; Another kind of is do not carry out encapsulation process to hothouse, but by controlling the frequency of delivery of low temperature dry air, reduce the aridity in case, but this design is bad owing to sealing, and can cause outside recirculation of wet air, and the fluctuation of case inner drying degree is comparatively large, is difficult to control.

Utility model content

An object of the present utility model is at least one defect that will overcome prior art, provides a kind of wind cooling refrigerator with hothouse, is applicable to the long-term environment preserved for dried food and nuts food materials provide.

The utility model further object realizes the smooth and easy of hothouse when being and reducing costs and changes wind.

The utility model further object be improve hothouse change wind effect, to ensure its dry stable Conservation environment.

Especially, the utility model provides a kind of wind cooling refrigerator, comprises refrigerating chamber, also comprises:

There is the hothouse in autonomous closure space, be arranged in described refrigerating chamber;

Described hothouse has the return air inlet of the air inlet flowed into for the air through low-temperature receiver cooling and the air outflow Gong displacing, and wherein said return air inlet place is provided with the ventilated membrane that blocks water.

Alternatively, described in the ventilated membrane that blocks water be made up of expanded polytetrafluoroethylene (PTFE) microporous molecular material, it has microcellular structure, and the diameter of described micropore is greater than the diameter of gas molecule and is less than the diameter of hydrone.

Alternatively, described hothouse is made up of drawer type airtight container, comprising:

Drawer body, its top end opening, for holding article to be deposited; With

Cover plate, is arranged at above described drawer body, for being sealed by the top end opening of described drawer body.

Alternatively, described return air inlet is arranged on the position of contiguous described refrigerating chamber inner bag rear wall on described cover plate or described drawer body.

Alternatively, the discharge opening place of the contiguous described refrigerating chamber inner bag rear wall in position of the described return air inlet that described cover plate or described drawer body are arranged, so that outside described return air inlet, the relative humidity of environment reaches 90%RH.

Alternatively, described refrigerating chamber inner bag rear wall place is provided with evaporator air inlet;

The air inlet of described hothouse is arranged on the rear wall of described drawer body, and described air inlet is controllably communicated with described evaporator air inlet, the air through the evaporator cools of described wind cooling refrigerator flows in described hothouse through described evaporator air inlet, air inlet successively.

Alternatively, when described drawer body be pushed into described refrigerating chamber inner side time, the air inlet of described hothouse is aimed at described evaporator air inlet.

Alternatively, the periphery of described air inlet is provided with elastic seal ring, when described drawer body be pushed into described refrigerating chamber inner side time, air inlet and the described evaporator air inlet of described hothouse are tightly connected.

Alternatively, described evaporator air inlet place arranges MOD.

Alternatively, described wind cooling refrigerator also comprises:

Temperature sensor, is arranged in described hothouse, for sensing the temperature in described hothouse; With

Humidity sensor, is arranged in described hothouse, for sensing the humidity in described hothouse,

Described MOD is configured to: open according to the temperature of described temperature sensor senses and/or the humidity-controlled of described humidity sensor sensing or close.

The utility model arranges at the return air inlet place of hothouse the ventilated membrane that blocks water, the utilization ventilated membrane that blocks water realizes airflow, to ensure that the Cryogenic air sent into can replace the humid air in hothouse, and stop outside high humidity steam to enter in hothouse changing after wind terminates, maintain the aridity in hothouse.

The design of the utility model hothouse is more simple, and performance is more good, and reduces manufacturing cost.

According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.

Accompanying drawing explanation

Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:

Fig. 1 is the perspective schematic view of the wind cooling refrigerator according to the utility model embodiment;

Fig. 2 is the schematic side elevation of the hothouse according to the utility model embodiment;

Fig. 3 is the schematic explosive view taken out according to the hothouse of the utility model embodiment;

Fig. 4 is the schematic diagram of the hothouse according to the utility model embodiment.

Detailed description of the invention

Fig. 1 is the perspective schematic view of the wind cooling refrigerator 100 according to the utility model embodiment.See Fig. 1, wind cooling refrigerator 100 can comprise refrigerating chamber 110.Refrigerating-chamber door (not shown) can be arranged on open front place of refrigerating chamber 110, in order to open or close refrigerating chamber 110.

As will be understood by the skilled person in the art, the wind cooling refrigerator 100 of the utility model embodiment also can comprise cooling cycle system (not shown) and air channel 130 (see Fig. 2).Cooling cycle system such as can comprise compressor, condenser, restricting element and evaporimeter (can comprise refrigerating evaporator and/or refrigeration evaporator).Wind cooling refrigerator 100 also can comprise the blower fan being positioned at air channel 130, for the air-flow after evaporimeter cool-down dehumidification is blowed to refrigerating chamber 110.Except refrigerating chamber, the wind cooling refrigerator 100 of the utility model embodiment also can comprise refrigerating chamber and/or fresh-keeping chamber.

Especially, wind cooling refrigerator 100 also can comprise the hothouse 120 with autonomous closure space, and it is arranged in refrigerating chamber 110.

Fig. 2 is the schematic side elevation of the hothouse according to the utility model embodiment, and in figure, the direction of arrow represents the flow direction of air-flow.See Fig. 2, in the utility model embodiment, hothouse 120 can have the air inlet 128 flowed into for the air (hereinafter referred to as cold air) through low-temperature receiver cooling, the cold air of low temperature to flow into after in hothouse 120 with air heat-exchange in hothouse 120 by air inlet 128 or displaces air in hothouse 120, thus the temperature of reduction hothouse 120.Hothouse 120 also has the return air inlet 129 of the air outflow hothouse 120 for displacement.

In the hothouse 120 of prior art, usually automatically controlled air door is set at air inlet 128 and return air inlet 129 place, with when needs pass into cold air in hothouse 120, the automatically controlled air door controlling air inlet 128 and return air inlet 129 place is opened, cold air flows in hothouse 120 from air inlet 128, and flow out hothouse 120 by return air inlet 129, realize the displacement of air in hothouse 120, thus temperature in hothouse 120 is reduced; Then close the automatically controlled air door at air inlet 128 and return air inlet 129 place, make hothouse 120 opposing seal, along with hothouse 120 heats up gradually, realize its relative humidity and decline.

In such prior art, for the automatically controlled air door at air inlet 128 and return air inlet 129 place, usually require to control its opening and closing simultaneously, to realize ventilation and sealing.For such hothouse 120, no matter be cost of material or automatically controlled cost, all relatively high.

In order to overcome this defect, in the utility model, at return air inlet 129, place does not arrange automatically controlled air door, but arranges the ventilated membrane 127 that blocks water.The utility model embodiment utilizes ventilated membrane 127 material that blocks water to have microcellular structure and its micro-pore diameter is greater than gas molecule diameter and is less than the principle of hydrone diameter.Under pressure, gas molecule is by micropore thus reach internal and external equilibrium or ventilative, and the simple gas of ratio of gas mixture containing water or other materials is not easy by this micropore.Particularly, in air, relative humidity is larger, and the hydrone contained by it is more close to liquid water, and micropore more stops it to pass through from micropore; In air, relative humidity is less, gas more dry easier from air relative humidity more pass through.

In the utility model embodiment, on the one hand, when the air door at air inlet 128 place is opened, low temperature dry air flows into hothouse 120 by air inlet 128, and flow out hothouse 120 by the ventilated membrane 127 that blocks water at return air inlet 129 place, realize the displacement of air in hothouse 120; On the other hand, when the air door at air inlet 128 place is closed, the ventilated membrane 127 that blocks water can stop the highly humid air in refrigerating chamber 110 to enter in hothouse 120, thus maintains the aridity of hothouse 120 within a certain period of time.Utilization blocks water this physical characteristic of ventilated membrane 127, can realize the storing environment of hothouse in the present embodiment.Arrange the hothouse of automatically controlled air door compared to existing technology at return air inlet 129 place, thus make according to the structure of the hothouse 120 of the utility model embodiment more simple, performance is better.

In the utility model embodiment, the ventilated membrane 127 that blocks water preferably is made up of expanded polytetrafluoroethylene (PTFE) microporous molecular material.Polytetrafluoroethylene (PTFE) microporous molecular material has microcellular structure, and the diameter of its micropore is greater than the diameter of gas molecule and is less than the diameter of hydrone.Those skilled in the art can understand, and polytetrafluoroethylene (PTFE) microporous molecular material is a kind of known materials, and the application does not relate to and improving material.

Present inventor finds, for the ventilated membrane 127 that blocks water that the utility model embodiment adopts, its microcellular structure can make the steam of relative humidity below 85% easily pass through, and the steam of relative humidity more than 90% not easily passs through.Therefore, in the utility model embodiment, preferably return air inlet 129 is arranged on and makes environment outside it be in relative humidity in refrigerating chamber 110 to reach the region of 90%RH, prevent the highly humid air of outside environment from entering the effect of hothouse 120 to make the ventilated membrane 127 that blocks water being arranged on return air inlet 129 place fully play.

In certain embodiments, return air inlet 129 can be close to the setting of humidity higher refrigerating chamber 110 inner bag rear wall.Because distance refrigeration evaporator is nearest herein, ambient air humidity is very high, in conjunction with the characteristic of the ventilated membrane 127 that blocks water, high-temperature water steam outside hothouse 120 cannot enter in hothouse 120, and the low temperature dry air in hothouse 120 can flow to outside environment by the ventilated membrane 127 that blocks water smoothly, complete the air displacement in hothouse 120.

In refrigerating chamber 110, the region that its relative humidity is maximum is usually positioned near the discharge opening of refrigerating chamber 110 inner bag rear wall, and the relative humidity of this place's air even can reach 100%RH.Here discharge opening is also commonly called discharge outlet.Therefore, in the further embodiment of the utility model, preferably return air inlet 129 is arranged on the corresponding position of hothouse of contiguous refrigerating chamber 110 inner bag rear wall discharge opening.

Fig. 3 and Fig. 4 is schematic explosive view according to the hothouse of the utility model embodiment and schematic diagram respectively.See Fig. 3 and Fig. 4, in certain embodiments, hothouse 120 can be made up of drawer type airtight container.Hothouse 120 can comprise drawer body 122 and cover plate 121.The top end opening of drawer body 122, for holding article to be deposited.Drawer body 122 can comprise diapire, and in respective bottom and the antetheca that diapire combines, lateral sidewalls that rear wall is relative with two, to form the cavity of top end opening.Cover plate 121 is arranged at above drawer body 122, for being sealed by the top end opening of drawer body 122.

In certain embodiments, cover plate 121 is separated setting with drawer body 122, and cover plate 121 is pivotably mounted on refrigerating chamber 110 inner bag rear wall.When cover plate 121 upwards pivotable time, the top end opening of drawer body 122 can be opened, when cover plate 121 upwards pivotable time, the top end opening of drawer body 122 can be sealed.

In some alternate embodiment, cover plate 121 can be fixedly installed in refrigerating chamber 110 inner bag, and drawer body 122 is slidably mounted on cover plate 121.

In these embodiments, the lateral sidewalls that the rear wall of drawer body 122 is relative with two is facing to the rear wall of refrigerating chamber 110 inner bag, region that two relative lateral sidewalls are corresponding respectively.Cover plate 121 and drawer body 122 material can be common plastics, design without Additional insulation.Under refrigerating chamber 110 temperature is the environment of 5 degrees centigrade, hothouse 120 is taken a breath after cooling, and its temperature can rise very soon, thus reduces the relative humidity in hothouse 120.

In certain embodiments, return air inlet 129 can be arranged on the position of contiguous refrigerating chamber 110 inner bag rear wall on cover plate 121.In the application, technical term " vicinity " refers to has spacing between return air inlet 129 and refrigerating chamber 110 inner bag rear wall, and this spacing such as can be 50mm, 30mm, 10mm, 5mm etc.

The installation form of ventilated membrane 127 of blocking water can be directly at return air inlet 129 place's paster or utilize the modes such as fastening nuts to be fixed on cover plate 121.

In an alternative embodiment, return air inlet 129 also can be arranged on the position of contiguous refrigerating chamber 110 inner bag rear wall on drawer body 122.Such as can be arranged on the position of contiguous refrigerating chamber 110 inner bag rear wall on the relative horizontal side plate of two of drawer body 122 or be arranged on the rear wall place of drawer body 122.

In a further embodiment, the discharge opening (not shown) place of the position contiguous refrigerating chamber 110 inner bag rear wall of the return air inlet 129 that cover plate 121 or drawer body 122 are arranged, reaches 90%RH to make the relative humidity of environment outside return air inlet 129.

In certain embodiments, refrigerating chamber 110 inner bag rear wall place is provided with evaporator air inlet 131; The air inlet 128 of hothouse 120 is arranged on the rear wall of drawer body 122, and air inlet 128 is controllably communicated with evaporator air inlet 131, the air through the evaporator cools of wind cooling refrigerator 100 flows in hothouse 120 through evaporator air inlet 131, air inlet successively.In certain embodiments, when wind cooling refrigerator 100 has refrigerating evaporator and refrigeration evaporator, preferably the air cooled through refrigerating evaporator is introduced in hothouse 120.

In certain embodiments, when drawer body 122 be pushed into refrigerating chamber 110 inner side time, when drawer body 122 is sealed by cover plate 121 in refrigerating chamber 110 in other words, the air inlet 128 of hothouse 120 is aimed at evaporator air inlet 131.Enter hothouse 120 to make the cold wind major part sent here from evaporator air inlet 131.

All enter hothouse 120 to make the cold wind sent here from evaporator air inlet 131, and other regions of refrigerating chamber 110 can not be flowed to, in a further embodiment, the periphery of air inlet 128 can be provided with elastic seal ring 125, when drawer body 122 be pushed into refrigerating chamber 110 inner side time, air inlet 128 and the evaporator air inlet 131 of hothouse 120 are tightly connected.Certainly, elastic seal ring 125 also can be arranged on the periphery of evaporator air inlet 131.

In certain embodiments, air-supply air door 132 can be set at evaporator air inlet 131 place.Air-supply air door 132 can be MOD.The closedown of air-supply air door 132 can utilize the airdoor control in the module of former air channel with unlatching.

When hothouse 120 does not need air-supply, air-supply air door 132 is closed, and cold wind does not flow to hothouse 120.When hothouse 120 needs air-supply, air-supply air door 132 is opened, and cold wind flows in hothouse 120 through air inlet 128.The aperture size of air-supply air door 132 also adjustable expander air inlet 131.Particularly, when hothouse 120 air requirement is large, air-supply air door 132 tunes up evaporator air inlet 131 aperture, and when hothouse 120 air requirement hour, evaporator air inlet 131 aperture turned down by air-supply air door 132.

In an alternative embodiment, air inlet 128 and evaporator air inlet 131 place can arrange inlet air door and air-supply air door respectively, blow with the sealing and the device air inlet 131 that avoids evaporating that ensure hothouse respectively in hothouse 120 always.

In certain embodiments, the temperature in hothouse 120 and/or humid control also can be utilized to be arranged on unlatching or the closedown of the air-supply air door 132 at evaporator air inlet 131 place.Correspondingly, wind cooling refrigerator 100 also can comprise temperature sensor and humidity sensor (not shown).Temperature sensor and humidity sensor are separately positioned in hothouse 120, with the temperature and humidity in difference sensing dryness room 120.Air-supply air door 132 can be configured to: open according to the temperature of temperature sensor senses and/or the humidity-controlled of humidity sensor sensing or close.In certain embodiments, when the rh value in hothouse 120 is higher than opening air-supply air door 132 during default humidity value, to supply cooling blast in hothouse 120.In certain embodiments, when the temperature in hothouse 120 is higher than opening air-supply air door 132 during preset temperature value to supply cooling blast in hothouse 120.In certain embodiments, when the rh value in hothouse 120 is lower than closing air-supply air door 132 during default humidity value, or close air-supply air door 132 after opening the scheduled time, or when the temperature value in hothouse 120 is lower than closing air-supply air door 132 during preset temperature value.

In other alternate embodiment, cover plate 121 can be replaced with female seat casing.Female seat casing can have backboard, at respective rear end and the top board that backboard combines, horizontal side plate that base plate is relative with two, to form the cavity that can hold drawer body 122 pull.The front opening of female seat casing, drawer body 122 can be drawn out with accommodating along the fore-and-aft direction of refrigerating chamber 110.In certain embodiments, drawer body 122 can be arranged the drawer door for pull drawer body 122, the edge of drawer door is provided with sealing strip.Like this, when drawer body 122 closes with female seat casing, sealing strip on drawer door can coordinate with the forward end seal of the top board of female seat casing, base plate, two relative horizontal side plates and sealed by the front opening of female seat casing in other words, substantially seals to make hothouse 120.In these embodiments, slideway can be set on two sidewalls of drawer body 122 transverse direction, correspondingly on the inner surface of the relative horizontal side plate of female seat casing two, slide rail be installed, thus make drawer body 122 be slidably mounted on female seat casing.Correspondingly, return air inlet 129 can be arranged on the position of contiguous refrigerating chamber 110 inner bag rear wall on the backboard of female seat casing, top board, base plate or horizontal side plate, and the ventilated membrane 127 that blocks water is set at return air inlet 129 place.

In other alternate embodiment, cooling blast can be introduced from refrigerating chamber, enter in hothouse 120 through air inlet 128.Correspondingly, air inlet 128 can be arranged on the female seat casing top board adjacent with refrigerating chamber, base plate or horizontal side plate, to be controllably communicated with refrigerating chamber.

In the utility model embodiment, at return air inlet 129 place of hothouse 120, the ventilated membrane 127 that blocks water is set, the utilization ventilated membrane 127 that blocks water realizes airflow, to ensure that the Cryogenic air sent into can replace the humid air in hothouse 120, and stop outside high humidity steam to enter in hothouse 120 changing after wind terminates, maintain the aridity in hothouse.The design of the utility model hothouse is more simple, and performance is more good, and reduces manufacturing cost.

So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.

Claims (10)

1. a wind cooling refrigerator, comprises refrigerating chamber, characterized by further comprising:

There is the hothouse in autonomous closure space, be arranged in described refrigerating chamber;

Described hothouse has the return air inlet of the air inlet flowed into for the air through low-temperature receiver cooling and the air outflow Gong displacing, and wherein said return air inlet place is provided with the ventilated membrane that blocks water.

2. wind cooling refrigerator according to claim 1, is characterized in that,

The described ventilated membrane that blocks water is made up of expanded polytetrafluoroethylene (PTFE) microporous molecular material, and it has microcellular structure, and the diameter of described micropore is greater than the diameter of gas molecule and is less than the diameter of hydrone.

3. wind cooling refrigerator according to claim 1, is characterized in that,

Described hothouse is made up of drawer type airtight container, comprising:

Drawer body, its top end opening, for holding article to be deposited; With

Cover plate, is arranged at above described drawer body, for being sealed by the top end opening of described drawer body.

4. wind cooling refrigerator according to claim 3, is characterized in that,

Described return air inlet is arranged on the position of contiguous described refrigerating chamber inner bag rear wall on described cover plate or described drawer body.

5. wind cooling refrigerator according to claim 4, is characterized in that,

The discharge opening place of the contiguous described refrigerating chamber inner bag rear wall in position of the described return air inlet that described cover plate or described drawer body are arranged, reaches 90%RH to make the relative humidity of environment outside described return air inlet.

6. wind cooling refrigerator according to claim 3, is characterized in that,

Described refrigerating chamber inner bag rear wall place is provided with evaporator air inlet;

The air inlet of described hothouse is arranged on the rear wall of described drawer body, and described air inlet is controllably communicated with described evaporator air inlet, the air through the evaporator cools of described wind cooling refrigerator flows in described hothouse through described evaporator air inlet, air inlet successively.

7. wind cooling refrigerator according to claim 6, is characterized in that,

When described drawer body be pushed into described refrigerating chamber inner side time, the air inlet of described hothouse is aimed at described evaporator air inlet.

8. wind cooling refrigerator according to claim 7, is characterized in that,

The periphery of described air inlet is provided with elastic seal ring, when described drawer body be pushed into described refrigerating chamber inner side time, air inlet and the described evaporator air inlet of described hothouse are tightly connected.

9. wind cooling refrigerator according to claim 8, is characterized in that,

Described evaporator air inlet place arranges MOD.

10. wind cooling refrigerator according to claim 9, characterized by further comprising:

Temperature sensor, is arranged in described hothouse, for sensing the temperature in described hothouse; With

Humidity sensor, is arranged in described hothouse, for sensing the humidity in described hothouse,

Described MOD is configured to: open according to the temperature of described temperature sensor senses and/or the humidity-controlled of described humidity sensor sensing or close.