CN2120307U

CN2120307U - Air-conditioned refrigerator

Info

Publication number: CN2120307U
Application number: CN 92213633
Authority: CN
Inventors: 孙海潮
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-15
Filing date: 1992-04-15
Publication date: 1992-10-28

Abstract

The utility model provides an air-conditioned refrigerator which can be used for refrigerating and freezing food and used as an air conditioner. A refrigeration system branch is connected in parallel on the air absorbing inlet and the exhaust outlet of the present refrigerator compressor. The new refrigeration system branch is used for the refrigeration for the air conditioner. The high-temperature high-pressure gas compressed by the compressor is connected in series with an electromagnetic stop valve before entering the condenser of each system. The four kinds of operating conditions of the combined two systems of the air conditioner and the refrigerating and freezing system are realized through the stopping and the conducting of the two electromagnetic stop valves.

Description

Air-conditioned refrigerator

The utility model belongs to household appliances.Specifically a kind of refrigerator of not only can having done uses but also can make the air-conditioning refrigerator that air-conditioning (Dan Leng) uses simultaneously.

Existing in the market refrigerator, no matter which kind of trade mark, model all have only the function of refrigeration jelly food, and people want to regulate indoor temperature, must buy air-conditioner separately and install and use.Like this, the user will bring bigger financial burden.And air-conditioning installs to move and unloads trouble, also needs other occupied ground space.

The purpose of this utility model offers exactly that people are a kind of both can to refrigerate jelly food, can make the air-conditioning refrigerator that air-conditioning uses again.In case a machine at hand, promptly obtains the enjoyment of two kinds of functions simultaneously.Freeze and be independent of each other as the refrigeration of refrigerator, can use separately by each several part, can use simultaneously again as the refrigeration cool-down function of air-conditioning.

The purpose of this utility model is achieved like this.Suction, an exhaust outlet refrigeration system branch road in parallel at the current refrigerator compressor, new refrigeration system branch road uses as air conditioner refrigerating, the high temperature and high pressure gas that compressor compresses becomes, serial connection one electromagnet cut off valve before entering each system condensing device, air-conditioning and refrigeration freeze four kinds of duties that two system in combination get up to be realized by these two electromagnet cut off valve " end " and " conducting ".The flow direction of the cold-producing medium in the refrigerator refrigeration system is mainly: from compressor → electromagnet cut off valve → condenser → device for drying and filtering → capillary → evaporimeter → get back to compressor.So circulation realizes the purpose that refrigeration is frozen.The flow direction of air-conditioning refrigeration system and operation principle are: compressor sucks the low-pressure steam of flash-pot, and compressed one-tenth high temperature and high pressure gas is discharged the back by electromagnet cut off valve, enters air-cooled condenser.Centrifugal fan (is settled the room or the passageway of refrigerator) in downside, bottom, the avris blind window suction chamber behind the refrigerator, and air comes cooler condenser, makes condensation of refrigerant become high-pressure sub-cooled liquid.Behind the heat that the absorption of air refrigeration discharges, drained into outdoor through hot type airduct road by centrifugal fan.High-pressure sub-cooled liquid enters evaporimeter by device for drying and filtering after the capillary-compensated step-down.Indoor (needing the room of air-conditioning) air is sucked by air-suction duct by centrifugal fan, when flowing through evaporimeter, becomes steam behind the heat of the cold-producing medium absorption chamber inner circulating air in the evaporimeter, and room temperature is reduced.Room air after cooling is sent back under the effect at centrifugal fan indoor again from air supply duct.Come the low-pressure superheated steam of flash-pot to be inhaled into compressor compresses again and become high temperature and high pressure gas through electromagnet cut off valve.So circulation realizes " cooling " " dust removal ", the purpose of the air conditioning of " dehumidifying " repeatedly.

Advantage of the present utility model:

Economically, compare, can save the expenditure about 60% with independent purchase air-conditioner.Alleviate consumer's burden greatly.It is also very convenient to install and use, and needn't destroy the room Architectural Construction.Except that refrigerator self, the air-conditioning part does not need the occupied ground space.Owing to make full use of the space of former freezer compressor both sides, project organization compactness, reasonable.Do not change the primary structure of former refrigerator, thereby low cost of manufacture, starting, it is simple and direct to go into operation.Compare with general air-conditioner, it is low also to have a noise, heat exchanger effectiveness height, advantages such as power saving.

Fig. 1 is the utility model refrigeration system schematic diagram.

Fig. 2 is the utility model air-conditioning refrigeration system operation principle schematic diagram.

With reference to the accompanying drawings the utility model is further described:

Connect power supply, compressor 5 starts.Control electromagnet cut off valve 4 in the air-conditioning refrigeration system 17 this moment and 15 contactor 31 is in off-state.Air-conditioning refrigeration system 17 loops are locked disconnected, and air-conditioning refrigeration system is not worked, and freezer temperature control device 12 is controlled electromagnet cut off valve 13 in power connection open-minded.The loop conducting of refrigerator refrigeration system 10, the beginning of refrigerator refrigeration.Because the utility model must not changed former refrigerator refrigeration system, so refrigerator refrigeration system 10 operation principles are omitted.Cold-producing medium in the refrigerator refrigeration system 10 roughly flow process is to discharge → flow through electromagnet cut off valve 13 → condenser 11 cooling → devices for drying and filtering 9 filtration → capillaries 8 throttlings → evaporimeter 6 from compressor 5 compressions and evaporate → be sucked into compressor 5 and compress once more.Circulation repeatedly.The duty of this moment is that refrigerator refrigeration system 10 is realized refrigeration, air-conditioning refrigeration system 17 break-ofves.Connect contactor 31, electromagnet cut off

valve

4 and 15 is open-minded, and air-conditioning refrigeration system 17 is started working.Operation principle is: the high-temperature high-pressure overheat steam of discharging from compressor 5 flows through electromagnet cut off valve 15 and enters condenser 18 and carry out heat exchange with air, make superheated steam become saturated vapor gradually, and then become saturated liquid, the saturated liquid that flows out from condenser 18 filters after capillary 1 expenditure and pressure by device for drying and filtering 19, become the moist steam of low-temp low-pressure, enter evaporimeter 3 then, inhale and remove the air heat of evaporimeter 3 of flowing through, thereby realize cooling.The gas that flows out from evaporimeter 3 enters compressor 5 through electromagnet cut off valve 4 and compresses once more.So circulation repeatedly.The length of capillary 1 and internal diameter are decided on required evaporating temperature.The duty of this moment is: refrigerator, air-conditioning refrigeration system 10,17 all realize refrigeration, when the refrigerator refrigeration reaches temperature required, temperature-sensitive bag 7 sends signal and makes freezer temperature control device 12 cut off the circuit of compressors 5 automatically and electromagnet cut off valve 13 is cut off by, refrigerator refrigeration system 10 loops, and the refrigerator refrigeration stops.The duty of this moment is: refrigerator refrigeration system 10 stops refrigeration, air-conditioning refrigeration system 17 continues refrigeration, when the room temperature of required air-conditioned room drops to predetermined temperature, temperature-sensitive bag 2 sends signal, air-conditioning temperature controller 16 cuts off the circuit of compressor 5 automatically and makes electromagnet cut off

valve

4,15 end, and air-conditioning refrigeration system 17 loops cut off, and air conditioner refrigerating stops.The duty of this moment is: refrigerator, air-conditioning refrigeration system 10,17 all stop refrigeration, when refrigerator cold-storage freezes temperature recovery when needing the temperature of refrigeration, the signal that temperature-sensitive bag 7 sends automatically makes 12 actions of freezer temperature control device connect compressor 5 and electromagnet cut off valve 13, refrigerator refrigeration system 10 loops reclose, and the refrigerator refrigeration is restarted.When room temperature went back up to the temperature that needs cooling, the signal that temperature-sensitive bag 2 sends automatically made the circuit of air-conditioning temperature controller 16 action connection electromagnet cut off

valve

4 and 15 and open-minded, and air-conditioning refrigeration system 17 loops reclose, and air conditioner refrigerating begins.Refrigerator, air-conditioning temperature controller 12 and 16 parallel connections are after protector 14 connects the compressor electric motor circuit.As long as refrigerator, air-conditioning temperature controller 12 and 16 have a branch road path, compressor 5 circuit are promptly connected startup work.Have only refrigerator, air-conditioning temperature controller 12 and 16 all obstructed, the circuit of compressor 5 just is cut off, and quits work.Refrigerator, air-conditioning temperature controller 12 and 16 temperature-control range are looked the needs of the target of system separately and are set up.The temperature of air-conditioning temperature controller 16 is transferred high 1-3 ℃ in the comparable general air-conditioner of the upper limit, and this helps alleviating the live load of compressor, saves electric energy, has also more scientifically satisfied the requirement of ordinary consumer to air-conditioning simultaneously.Documents and materials and facts have proved generally are that 5 ℃ of degree of △ are advisable with the indoor/outdoor temperature-difference, otherwise the people knows from experience and is subjected to " heat wave impacts " and generation discomfort.Electromagnet cut off

valve

4 and 15 constitutes a self-locking circuit.Open-minded simultaneously, end simultaneously, be controlled by air-conditioning temperature controller 16.Open-minded simultaneously, air-conditioning refrigeration system 17 loops are connected; End air-conditioning refrigeration system 17 loop lock-up simultaneously.Refrigerant amount in refrigerator, the air-conditioning refrigeration system 10,17 is remained unchanged substantially, guarantee the normal refrigeration of refrigerator, air-conditioning refrigeration system 10 and 17.

Fan electromotor 27 is installed in appropriate location on the chassis of the former installation compressor 5 of refrigerator.A centrifugal blower 26 and 28 are respectively adorned in fan electromotor 27 power transmission shaft two ends.26 is bilateral air intake type centrifugal blower, and 28 is single admission type centrifugal blower.The installation of the general air-conditioner of reference before centrifugal blower 28 air inlets, the temperature-sensitive bag 2 on the layout in the air-conditioning refrigeration system 17, evaporimeter 3, air-conditioning temperature controller 16 and air cleaner 29.The dividing plate 22 that insulation material is posted in employing separates capillary 1, temperature-sensitive bag 2, evaporimeter 3, air-conditioning temperature controller 16, centrifugal blower 28, air cleaner 29 these parts with surrounding air, reduce the loss of cold.The design of division board will be convenient to dismounting, well cleans evaporimeter 3, air cleaner 29 on time, guarantees that air-conditioning refrigeration system 17 is in higher refrigeration work state all the time.Contactor 31 is drawn from appropriate location, refrigerator rear portion by lead-in wire and is extended into air-conditioned room for user's control.

Install on refrigerator one side box body of evaporimeter 3, be provided with the air draught mouth of pipe 30 and the air-supply mouth of pipe 20.On the casing of refrigerator one side of installation condenser 18, be provided with air intake blind window 24 and hot type airduct mouth 23.All airduct mouths all have external screw thread, so that the spinning of guide duct with matching.Air draught ripple guide duct one terminates on the air draught mouth of pipe 30, the other end extends into the room of required air-conditioning, suck room air by centrifugal blower 28, after filtering, air cleaner 29 passes through evaporimeter 3 refrigeration cool-downs, air behind the refrigeration cool-down is sent back to indoor by centrifugal blower 28 from the air-supply guide duct on the air-supply mouth of pipe 20 again, room air so circulates, and reaches the purpose of cooling.Two mouth of pipe sockets, the one conical mouth of pipe of air draught bellows, the resistance when sucking to reduce air makes the turnover air flow line even, obtains sufficient heat exchange.All the other guide ducts are isometrical bellows, room air is behind air cleaner 29, dust is filtered, and this has not only guaranteed the cleaning, unimpeded of evaporimeter 3, also makes air obtain cleaning simultaneously, reach the purpose of dust removal, in process of refrigerastion, evaporimeter 3 surface temperatures are usually less than the dew-point temperature of the indoor circulation air that is cooled, and condensation water will constantly be separated out from the surface, indoor air relative humidity is descended, reach the purpose of drying.The condensation water of separating out flows to condenser 18 1 sides by tank after splashing into drip tray on the chassis, discharges from drainpipe 25.In this process, the high-speed air air-flow makes the surface evaporation aggravation through the condensation water surface, and this helps the heat exchange of condenser 18.Two plates that condenser 18 is designed to communicate are arranged in parallel on the position of 26 liang of inlet sides of centrifugal blower.That piece 18 of power transmission shaft one side is enclosed within on the axle for " ∪ " type shape is outstanding.Centrifugal blower 26 is by downside behind the refrigerator, and indoor air of bottom and 24 suctions of air intake blind window self and condenser 18 carry out heat exchange, discharge the air draft bellows of hot-air on hot type airduct mouth outdoor then.Be used for the room air of heat exchange, by the door of this chamber, additional naturally in the window.Room air must be through compressor 5 when heat exchange, fan electromotor 27, and this is favourable to the condition of work of improving both.The little air door 21 of air-supply side plays a part to discharge outdoor by centrifugal blower 26 the muddy air in the air conditioning chamber.Outdoor fresh air sucks from window seam or door crack.The number of times that air door is opened, the length of time depends on the needs.Generally keep room air fresh as far as possible, open air door less, to reduce the loss of cold to greatest extent.

Because the utility model has adopted guide duct to carry to be sent, suction wind, make air-conditioner realize the compartment layout, the basic noiselessness in air conditioning chamber, this point is that general air-conditioner is incomparable.For lowering the noise of self, adopt centrifugal blower 26 to replace the aerofoil fan cooler condenser.Simultaneously, utilize the blast of centrifugal blower 26, guaranteed to overcome the resistance in the hot type wind process, drain into hot-air flow outdoor smoothly.

In order to adapt to the needs of refrigerating capacity, can prepare the capillary 1 more than two or two, adopt knockout that they are linked to each other with relative section on the condenser with each self-corresponding evaporimeter respectively.The area of evaporimeter 3 and condenser 18 is fully used.

Because air-conditioning refrigeration system 17 parts of the present utility model are arranged in the space of former freezer compressor 5 both sides, although can highly come expansion space by the suitable increase of refrigerator, satisfy arrangement requirement.Still need preferential efficient, the energy-conservation evaporimeter 3 that adopts, condenser 18, compressor 5, fan electromotor 27 like this, not only can reduce size, installs in order to arranging, but also can reduce manufacturing cost, reduces weight, guarantees suitable refrigerating capacity.Particularly compressor 5, and because of working time lengthening, load increases, and more need select easy realization high-speed small-sizeization for use, and mechanical loss is little, the efficient height, and noise is low, vibrates for a short time, and structure stably turns round.The utility model recommends to use the compressor 5 of rolling rotor-type or vortex structure.

Claims

1, a kind of air-conditioning refrigerator that is combined by current refrigerator is characterized in that suction, the exhaust outlet air-conditioning refrigeration system in parallel at the current refrigerator compressor, is serially connected with electromagnet cut off valve before the condenser of refrigeration system.

2, air-conditioning refrigerator according to claim 1 is characterized in that preparing the capillary more than two or two, adopts knockout that they are linked to each other with condenser with each self-corresponding evaporimeter respectively.

3, air-conditioning refrigerator according to claim 1, the fan that it is characterized in that cooler condenser is the centrifugal fan of bilateral air intake.

4, air-conditioning refrigerator according to claim 1 is characterized in that condenser is divided on the position that two plates are arranged in parallel in centrifugal fan two inlet sides.