CN2264350Y - Splitting refrigerator - Google Patents

Abstract

The utility model relates to a detachable refrigerator, which is divided into an outdoor machine (1) and an indoor machine (2). the outdoor machine (1) is connected with the indoor machine (2) via a cable (3). In the utility model, a condensing unit, a ventilator, a liquid reservoir, etc. of a traditional refrigerator is assembled in the independent outdoor machine (1), and the indoor machine (2) is composed of an evaporator, a heat-insulating refrigerator body, a control system, etc. compared with an integral type refrigerator, heat discharge and the noise do not exist indoors; the quality of environment is improved, the refrigerating efficiency of the detachable refrigerator is improved; the transportation, the maintenance, and the installation are convenient, and the effective service volume of the detachable refrigerator is improved.

Description

Detachable refrigerator

The utility model relates to a kind of detachable refrigerator, belongs to technical field of refrigeration equipment.

Present traditional refrigerating and cold storage refrigerator, its structure all is an integral type, promptly compressor, condenser and casing fit together.The Condensing units of this class refrigerator dischargeable capacity of refrigerator 1/4th that not only accounted for to sixth, and the heat radiation of condenser directly is emitted on indoorly, and the indoor temperature that then obviously raises in summer reduces refrigeration; In addition, compressor produces the indoor environment that noise and vibration causes and makes people's discomfort.

The purpose of this utility model overcomes the deficiencies in the prior art exactly, the refrigerator that provides a kind of Condensing units to separate with casing, the parts of its discharges heat and generation vibration and noise constitute an outdoor unit and are placed in outdoor, indoor then stay do not dispel the heat, friction, noiseless refrigerator body and evaporation coil, both are connected with cable by refrigerant tubing, constitute the cooling cycle system of a sealing.Thereby make indoor casing friction, noiselessness, empty calory discharging, improve indoor environmental quality, also enlarged the dischargeable capacity of refrigerator simultaneously.

For achieving the above object, the utility model detachable refrigerator is made up of the pipeline and the cable of unit inside and outside the heat insulating box of outdoor Condensing units, indoor band evaporimeter and the junction chamber.The utility model device is the parts that produce heat, vibration and noise on the original monoblock type refrigerator---and compressor, condenser, electrically ventilating machine etc. focus on one independently in the cabinet, form outdoor unit; Warm cold-producing medium is delivered to indoor units through the liquid pipe in the high pressure that produces in the outdoor unit, after capillary or expansion valve throttling, become low-temp low-pressure liquid, heat absorption vaporization to the evaporation coil, reduce the temperature inside the box simultaneously, make it keep low temperature, the cold-producing medium of evaporation cooled via return air pipe is then sent back in the compressor, enters next kind of refrigeration cycle again; Refrigerator temperature control keeps the temperature inside the box wall fixed by the start-stop of temperature controller according to the temperature inside the box signal controlling compressor, can also change the liquid supply rate to indoor units by the variation of heating power expansion valve according to cooling load; The indoor and outdoor unit is connected with cable by 2 refrigerant pipes, and its ultimate range can reach 30 meters, makes outdoor unit away from the room.

The utility model detachable refrigerator has been realized the separation of indoor and outdoor unit, and its outdoor unit can be arranged into the rice from indoor units 5-30.Compare with traditional monoblock type refrigerator, make indoor thermal pollution and the pollution source of noise of no longer existing, improved indoor environmental quality; Condenser for refrigerator move on to outdoor after, improved condensing condition, the refrigeration performance of refrigerator is improved; Indoor casing need not be considered factors such as heat radiation and noise, can arrange arbitrarily and lay that it is attractive in appearance to be convenient to indoor Total tune; Outdoor unit arranges that independently inspection and repairing are convenient; After the splitization, the transportation of refrigerator, install also more convenient; The indoor section of refrigerator need not to leave the position of compressor, has increased effective use volume (can increase 1/4-1/6).

Fig. 1 is the General Arrangement of the utility model detachable refrigerator.

Fig. 2 is the refrigeration system schematic diagram of detachable refrigerator shown in Figure 1.

Fig. 3 is the electric control theory figure of detachable refrigerator shown in Figure 1.

Fig. 4 is the indoor units and the connecting pipe air cleaning figure of detachable refrigerator shown in Figure 1.

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

The general arrangement of the utility model detachable refrigerator as shown in Figure 1.It is made up of outdoor unit 1, indoor units 2, connecting pipe and cable 3 etc.Wherein, it is indoor that refrigerator body is that indoor units 2 is installed on, and it is a heat insulating box, comprises refrigerating chamber 4 and refrigerating chamber 5.As shown in Figure 2, indoor units 2 mainly is made up of evaporimeter 6, control system and heat insulating box etc., relies on the interior heat of evaporation respiratory box of cold-producing medium, forms low temperature space, generally can keep in the case+8-40 ℃ low temperature, be used for refrigeration and frozen food, beverage, medicine etc.Outdoor unit 1 is arranged in outdoor, can be away from the room.It is made up of compressor 10, condenser 11, fan electromotor 12, liquid reservoir 14 etc., and major function is a condensating refrigerant, to extraneous discharges heat.The connecting pipe and the cable 3 of the inside and outside unit of junction chamber comprise 2 refrigerant tubings and power line and earth connection, and its effect is the refrigeration system that forms a sealing, the start-stop of outer unit power supply of supply chamber and control compressor.As shown in Figure 2, cold-producing medium R12 or R22 circulate in closed system, and heat absorption in indoor units 2, and heat release in outdoor unit 1 reaches the purpose that refrigerator freezes.Its operation principle is as follows: 10 pairs of refrigerant gas of compressor compress, and form the refrigerant gas of HTHP, and carry to condenser 11; Cold-producing medium through the forced convection heat radiation, is condensed into the refrigerant liquid of high pressure, middle temperature in condenser 11; 7 pairs of refrigerant liquid throttlings of capillary step-down forms low-temperature low-pressure refrigerant liquid in the exit; Refrigerant liquid flashes to cryogenic gas at low temperatures in the evaporimeter 6, and absorbs the heat in the casing, makes and forms low temperature space, freezing or chilled food in the case.Last refrigerant gas returns compressor 10 through tube connector, enters next circulation, makes the refrigerator continuous cooling.2 groups of evaporimeters 6 are arranged in the indoor units 2, form two zones of different temperatures, i.e. refrigerating chamber and refrigerating chamber.Freezer temperature is generally-12---and 18 ℃, temperature of refrigerating chamber is 2-8 ℃.

Fig. 3 is electric control theory figure, is made up of air compressor motor M1, fan motor M2, A.C. contactor K, electrothermal relay RJ, acoustic alarm DL, temperature controller θ etc.The motor M 1 of compressor 10 is 750 watts of three phase electric machines, and other control elements are single-phase 220 volts.Its control principle is: when not reaching temperature required in the case, temperature controller θ connects, A.C. contactor K coil electricity, its K1, K2, the K3 closing of contact, compressor 10 work, electric fan running, magnetic valve DF energising, cold-producing medium passes through, and the K4 contact disconnects, audible alarm DL outage.When dropping in the case when temperature required, temperature controller θ disconnects, and makes A.C. contactor K coil blackout, and K1, K2, K3 contact disconnect, compressor 10 quits work, the fan stall, magnetic valve DF outage stops cold-producing medium and passes through, the K4 closing of contact, temperature controller θ disconnects simultaneously, and acoustic alarm does not constitute the loop, does not therefore report to the police.RJ is an electrothermal relay; be the protective device of compressor electric motor M1, when the phase failure or compressor 10 overloads took place, motor working current was excessive; electrothermal relay contact R J disconnects; A.C. contactor K outage afterwards, K1, K2, K3 contact disconnect, and compressor 10 quits work; avoid burn-down of electric motor; this moment, K4 connected, and acoustic alarm constitutes the loop, and news are rung and reported to the police.

The air of indoor units and connecting pipe cleaned figure when Fig. 4 installed for the utility model detachable refrigerator.The outdoor unit 1 of this detachable refrigerator encapsulated cold-producing medium when dispatching from the factory, and filled the cold-producing medium that cleans usefulness for air more, so two stop valves 13 on the unit and 13 ' be in closed condition.Indoor units 2 does not charge into cold-producing medium before dispatching from the factory, filled protective gas nitrogen in the coil pipe, brings water vapour and dirt in the pipe into to prevent that air from entering.After installing outdoor unit 1 and being connected pipe, air in the necessary removing tube connector and the protective gas in the indoor units 2, this operation is called air and cleans.During cleaning, open the about 1/4-1/2 circle of two-port valve 13, allow cold-producing medium enter in the indoor units 2, meanwhile, top triple valve 13 ' valve inside, exitted about 10 seconds, emit and have when greasy as cold air, illustrate that air is cleaned.Take out die nut 14 then, close two-port valve 13, hunted leak in each joint of system again, after confirm not have leaking,, allow cold-producing medium form path valve 13 and 13 ' all open.The test running of can starting shooting then.

Above-mentioned is an embodiment of the present utility model, and indoor units 2 of the present utility model also can expand to two or surpass two independent case body that are designed to different temperatures, to adapt to the needs of various uses.Detachable refrigerator of the present utility model, its cryogenic temperature scope is+8---40 ℃, can be for for kitchen use, the shop of the catering trade with, medical and general family expenses.

Claims (4)

1, a kind of detachable refrigerator; Critical piece comprises Condensing units, evaporimeter, fan electromotor, heat insulating box etc., it is characterized in that: this detachable refrigerator is divided into outdoor unit (1) and indoor units (2) two parts, the centre is connected with cable (3) by connecting pipe, outdoor unit (1) is made up of compressor (10), condenser (11), fan electromotor (12), liquid reservoir (14) etc., and indoor units (2) is made up of evaporimeter (6), control system and heat insulating box etc.

2, detachable refrigerator according to claim 1 is characterized in that: indoor units (2) can be extended to two or more independent case body.

3, detachable refrigerator according to claim 1 is characterized in that: the outer unit (1) of junction chamber and the connecting pipe of indoor units (2) and the length of cable (3) are 5-30 rice.

4, detachable refrigerator according to claim 1 is characterized in that: the cryogenic temperature scope is+8---40 ℃.

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