CN2750263Y - Small-sized refrigerator - Google Patents

Abstract

The utility model discloses a small-sized refrigerator which comprises an inner cavity of a refrigerator body, a compressor, a controlling device for the compressor, a condenser and an evaporator, wherein the evaporator is arranged on the top part of the back of an inner cavity of a refrigerator body, and a cold storage device is arranged in an evaporation cavity formed by the enclosure of the evaporator and the inner cavity; the controlling device is provided with a clock control unit; the compressor of the refrigerator is in operation in different operating modes within the set time interval and without the set interval. The small-sized refrigerator of the utility model realizes the purpose of zero noise in nighttime, the temperature in the refrigerator can be maintained within a proper low-temperature range by utilizing the cold quantity of refrigerating by change of the state of cold storage substances; moreover, the utility model has the advantages of compact structure and reasonable layout. The utility model is particularly suitable for hotels, inns, bachelor apartments, etc.

Description

A kind of small refrigerator

Technical field

The utility model relates to a kind of refrigerator, more particularly relates to a kind of refrigerator of little volume.

Background technology

Common mini-bar can adopt the compressor cooling mode, according to the running time of the temperature regime in the case by controller control freezer compressor, makes refrigerator temperature reach the requirement of setting.The work of compressor is discontinuity, no matter daytime or night surpass just start of uniform temperature, reaches uniform temperature and just shuts down.Compressor operating will produce noise, so the noise of freezer compressor machine at night start inevitably has influence on people's rest, especially patient's rest.Most of consumer wishes that refrigerator can be provided with the working time of compressor according to consumer's time of having a rest, and " length of one's sleep " that reaches refrigerator is synchronous with the consumer, thereby realizes the function of zero noise at night.

The utility model content

The technical problems to be solved in the utility model is, provide a kind of night zero noise refrigerating box, utilize the cold of storage solidifiable substance freezing by change of state that refrigerator the temperature inside the box is maintained in the suitable low temperature range, to overcome the deficiencies in the prior art.

For solving the problems of the technologies described above, construct a kind of small refrigerator, the control device, condenser, the evaporimeter that comprise cabinets cavity, compressor and compressor, described evaporimeter is arranged on cabinets cavity back top, by placing cool storage container in the evaporation cavity that evaporimeter and inner chamber surrounded, described control device is provided with clock control cell, and freezer compressor moves according to different operational modes in the period of setting with outside the period that sets.

The utility model compared with prior art has the following advantages and beneficial effect:

1. the user can set compressor with the section length of one's sleep in night and not move the period, and the cold that utilizes cold-storage liquid to discharge is kept the temperature in the refrigerator, has solved the problem of influence of noise sleep on the refrigerator, improves user's sleep quality, has expanded the purposes of refrigerator.

2. the compact conformation of refrigerator, rationally distributed.Condenser and compressor unification are placed on the refrigerator rear portion, and evaporimeter has taken the position that refrigerator inner cavity is of little use, and the available space of refrigerator is increased to some extent.

3. small refrigerator of the present utility model adopts the drawer door structure of three joint guide rails, has strengthened the drawer maximum and has drawn back stroke, and it is convenient that the user gets thing.

Description of drawings

Fig. 1 is the body structure schematic diagram of the utility model small refrigerator;

Fig. 2 is the evaporimeter and the regenerator assembling mode schematic diagram of small refrigerator;

Fig. 3 is that the interior article of the case of small refrigerator are placed schematic diagram;

Fig. 4 is the cabinets cavity front schematic view of small refrigerator;

Fig. 5 is the control panel schematic diagram of small refrigerator;

Fig. 6 is the detachable drawer dismounting schematic diagram of small refrigerator.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

As shown in Figure 1, in the refrigerator of internal volume below 45 liter capacity sections, for " length of one's sleep " of realizing refrigerator synchronous with the consumer, thereby reach the purpose of zero noise at night, the regenerator 4 that can store cold is set on refrigerator, and allowing the freezer compressor regenerator works by day, the regenerator cold-storage, night is out of service and rely on the cold-storage liquid released cold quantity in the regenerator to keep the temperature inside the box.For the space that utilizes that makes refrigerator maximizes, refrigeration system component, regenerator, defrost drainage mechanism to refrigerator is optimized processing especially: evaporimeter 6 is arranged on cabinets cavity back top, by placing cool storage container 4 in the evaporation cavity that evaporimeter and inner chamber surrounded.Condenser 7 and compressor 10 are arranged on the refrigerator rear portion, and condenser 7 is above compressor 10.On the refrigerator top board above the condenser, have louvre (referring to Fig. 6), strengthen the radiating efficiency of condenser 7.Compressor crown is placed the water container 9 that opens wide, and the defrost water of the interior evaporimeter of refrigerator accumulates in water container 9 and evaporates under the hot environment of compressor bin.Establish the drip tray 2 of bottom angled below the evaporimeter 4 of refrigerator inner cavity, connect drainpipe 8 in the inner end of drip tray 2, the heat-insulation layer that drainpipe 8 tilts to pass refrigerator extends to the top of the water container 9 of compressor crown.In evaporation cavity, place cool storage container box 3, can put two regenerators 4 in the cool storage container box 3; Establishing evaporation shield 5 in evaporation cavity the place ahead covers evaporator chamber.

Referring to Fig. 2, evaporimeter 6 adopts " side U type " inflation type plate pipe evaporator, the refrigeration pipe optimization of inflation type plate pipe evaporator is arranged, to increase evaporator area; " side U type " inflation type plate pipe evaporator has surrounded two regenerators that stack up and down in evaporation cavity substantially, makes in two regenerators the heat exchange effect of cold-storage liquid better, and assembly technology is simple, the picking and placeing conveniently of regenerator 4.Cold-storage liquid is transparent jelly, double casing, and the cold-storage ability is strong, meets the sanitary standard requirement, safety non-toxic.

Referring to Fig. 3, in refrigerator inner cavity, the both sides of evaporator chamber are the heat-insulation layers of refrigerator, and heat-exchange surface 11 and following heat-exchange surface 12 carried out heat exchange before evaporimeter was main.Squatjar 14 can be placed in space under evaporation cavity, can place tall can 13 in the space in evaporation cavity the place ahead.

Referring to the cabinets cavity front schematic view of Fig. 4, drip tray utilizes lumen channels 1 to be installed under the evaporimeter 6, makes drip tray 2 frontal projected areas bigger than evaporimeter 6, so that the defrost water on the evaporimeter 6 all can be accepted, the maintenance inner chamber is dry and comfortable, nothing is leaked.See Fig. 1, when evaporimeter cover plate 5 surface produces condensation waters, can water be guided in the cabinet in the drip tray 2 by self oriented structure; And when shutting down evening, evaporimeter 6 temperature recoveries, the frost on its surface also begin to melt, and after defrost water is held by drip tray in the cabinet 2, are discharged into by drainpipe 8 in the water container 9 of compressor crown, evaporate under the heat effect that compressor 15 operations are produced.Specifically, drip tray 2 communicates with compressor bin by the drainpipe 8 of the oblique below of certain-length and caliber, fraction heat in the compressor bin enters into drip tray 2, directly influence the osculum temperature on every side of drip tray, result of the test shows: when the length of drainpipe 8 is 48～52mm, the about 10mm of caliber, when the insulation bed thickness of inner chamber and compressor bin is 40～45mm, near the 4cm osculum of drip tray ²Temperature in the scope remains on about 3～5 ℃, effectively stops the appearance of the stifled phenomenon of discharge outlet ice.

Referring to Fig. 5, design has function control band (control panel) on the outer surface in mini-bar top board forward position, is the input and the display part of mini-bar control device in this zone.The user can realize the adjusting to functions such as current time, available machine time, downtime, switching on and shutting down, the high, normal, basic gears of temperature in this zone.Label 16 is setting keys of mini-bar available machine time.Label 17 is mini-bar setting keys of downtime.Label 24 is setting keys of current time.Label 18 is time showing windows.Label 19,20 is respectively to go up the mediation down button.Label 22 is adjustment keys, and adjustable range is respectively high, medium and low shelves, and label 21 is temperature controlled high, medium and low shelves display windows, and by adjustment key 22, display window 21 corresponding gear windows can be shinny when continuously.Label 23 is that setting key is opened/stopped to mini-bar, in the time of need cutting off the power supply to mini-bar, only need press this key operation and get final product, and need not to extract attaching plug.

The controller of refrigerator comprises clock control and temperature control functional unit, and refrigerator by temperature control, was not started shooting at the shutdown period external compression machine of setting in the start period of setting.For example, the working hour that can set refrigerator is: worked by day 12 hours, evening, compressor quit work 12 hours.So, the temperature shelves that refrigerator controller is set by the user are by day controlled the operation of compressor, in this process, cold-storage liquid cold-storage, evening, cold-storage liquid discharged the cold that stores up at compressor duration of work not, make and keep lower temperature in the refrigerator, stoped the temperature inside the box rise.The working time of freezer compressor can be provided with according to consumer's the rest custom, for example from morning 9:00 reach evening 9:00 and close automatically; Or 8:00 reaches evening 8:00 and closes automatically morning.The controller chip of mini-bar can be remembered current various setting automatically, and when accident generation power failure was switched on once more, refrigerator can be worked as usual.By self vast capacity electromagnetism, to internal clocking power supply, as long as the good current time of initial setting up, though cut off the power supply continuously 7 years need not, internal time operates as usual.

On clock setting and compressor control, also can be by only setting a period, this period is that compressor is by the temperature controlled normality period, control by particular form at this period external compression machine, for example do not start shooting, perhaps generally do not start shooting, have only when reaching certain condition (very high) and just start shooting as the temperature inside the box.Certainly, also can be defined as the particular form control period to the period of setting, outside the period, control compressor operating by temperature.

Referring to Fig. 6, the inner chamber of mini-bar holds storage thing drawer, and the push-pull mechanism of drawer is further improved on the basis of prior art two joint guide rail push-pull technologies, makes the pulled out stroke of drawer bigger.Specifically: the guide rail of being made up of three joint guide rails in the design of inner chamber both sides and drawer both sides saves intermediate rail to 25, one and slides relatively along the two ends guide rail respectively, and the guide rail at two ends is installed in the both sides of inner chamber and drawer respectively.The guide rail that is installed in the drawer side can disassemble from middle guide rail, and guide rail assembles very easy to separately assembling.At guide rail 25 two ends guide rail is loaded onto rubber buffering block respectively, adopt the steel ball guiding between guide rail, reduced the noise of drawer push-and-pull, make the push-and-pull process smooth and easy reliable.Adopt the drawer of three joint guide rails can pull out distance greatly, be specially adapted to the more shallow mini-bar of the inner chamber degree of depth, the drawer of three joint guide rails can be realized the horizontal movement of drawer straight line, and an envelope sealing effectiveness is improved greatly, stops to scrape the appearance of phenomenons such as an envelope, door sealed-off, cold draining.For the drawer that makes mini-bar keeps clean, in drawer, increased fruit and vegetable case 28, fruit and vegetable case 28 can wholely be extracted out, is convenient to cleaning, the trouble of having removed the frequent dismounting of drawer from.Refrigerator lock 27 has been installed in drawer bottom at mini-bar, increases the function that the refrigerator restriction is used.

The lighting device lamp of general refrigerator is to adopt incandescent lamp or fluorescent lamp, and both are heating, and its rated voltage is 220V, rated power is not less than 10W, and the non-safe low voltage range of operating voltage is if staff touches charged position, it is dead to cause getting an electric shock, and has potential safety hazard.In order to address this problem, on refrigerator, adopt LED lamp 26 to replace high-tension luminaire.LED is the Light-Emitting Diode of high brightness, and its rated operational voltage is+3.6V that rated operational current is 20mA.Belong to low-voltage, low-power, cold light source electronic component.Apply it to the refrigerator illumination, promptly safe and reliable, environmental protection and energy saving again.At the embedded LED lampshade in mini-bar top board forward position, LED lamp 26 is connected with the drawer door switch, and when the user opened drawer, door switch was connected, and LED is luminous, illuminates drawer inside.

Small volume refrigerator as 16L generally is to adopt semiconductor to freeze in the market, has slow, the inefficient shortcoming of refrigerating speed.Mini-bar BC-16/H of the present utility model (E) adopts compressor to freeze, refrigerating speed is fast, the Energy Efficiency Ratio height, utilize cold-storage liquid released cold quantity to freeze in user's rest period, reached the effect of energy-saving especially, this, power consumption only was 0.33Kwh/24h refrigerator day, went up a energy-saving refrigerator.Use the mini-bar of clock control, cold-storage technology can allow the consumer stable sleeping at night, no refrigerator operation noise effect provides a rest environment that quiet ease is far away, and this small refrigerator The Application of Technology has the huge social benefit.

Claims (9)

1. small refrigerator, the control device, condenser, the evaporimeter that comprise cabinets cavity, compressor and compressor, it is characterized in that: described evaporimeter is arranged on cabinets cavity back top, by placing cool storage container in the evaporation cavity that evaporimeter and inner chamber surrounded, described control device is provided with clock control cell, and freezer compressor moves according to different operational modes in the period of setting with outside the period that sets.

2. small refrigerator according to claim 1 is characterized in that: described freezer compressor is the no power operation in the period of setting, perhaps no power operation outside the period of setting.

3. small refrigerator according to claim 1 and 2 is characterized in that: described evaporimeter is the inflation type plate pipe evaporator, establishes the drip tray of bottom angled below evaporimeter, connects drainpipe in the inner end of drip tray, and described drainpipe passes the heat-insulation layer of refrigerator.

4. small refrigerator according to claim 3 is characterized in that: establish evaporation shield in described evaporation cavity the place ahead, the built-in cool storage container box of described evaporation cavity.

5. small refrigerator according to claim 1 and 2 is characterized in that: described condenser and compressor are arranged on the refrigerator rear portion, and condenser is above compressor.

6. small refrigerator according to claim 5 is characterized in that: have louvre on the refrigerator top board above the condenser.

7. small refrigerator according to claim 6 is characterized in that: a drawer is set in the described refrigerator body, is provided with the slide rail push-pull mechanism at described door drawer and casing both sides, described slide rail push-pull mechanism has the slide rail that three joints slide relatively.

8. small refrigerator according to claim 7 is characterized in that: place the fruit and vegetable case in the described door drawer.

9. small refrigerator according to claim 7 is characterized in that: be embedded with the LED lamp that is electrically connected with the refrigerator doors lamp switch in refrigerator top board forward position.

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