CN1226669A

CN1226669A - Air conditioner refrigerating cabinet

Info

Publication number: CN1226669A
Application number: CN98118901A
Authority: CN
Inventors: 叶可
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-02-17
Filing date: 1998-07-24
Publication date: 1999-08-25

Abstract

An air-conditioning cold storage cabinet is the combination of upper air conditioner and lower cold storage cabinet. They use the same compressor and condenser but different evaporators. The coiled evaporating tube of cold storage cabinet is immersed in ice tank to lower the temp in cabinet. It is suitable for air conditioning in local space and cold storage of less food or beverage.

Description

Air conditioner refrigerating cabinet

The present invention relates to a kind of Small Refrigerating Equipment, especially the multiduty refrigerating plant of steam compression type.

At present, known room air conditioner refrigerating capacity is usually more than multikilowatt, and the refrigerating capacity of household electric refrigerator belongs to the hectowatt grade scope, and both evaporating temperatures have than big difference simultaneously; Though they all adopt unit vapor compression type refrigerator, can't be shared a cover refrigeration system, thereby can not be in conjunction with making single-piece electrical equipment.

The purpose of this invention is to provide a kind of air conditioner refrigerating cabinet, it not only is combined into single-piece electrical equipment to air-conditioner and refrigerator, and a shared cover refrigerating plant, and is very easy to use.

The object of the present invention is achieved like this: the unit profile is an integral cabinet type, refrigerator is positioned at the unit bottom, air-conditioner is positioned at unit top, air-conditioner is the air-conditioning object with the residing local wide open space of human body, make below the required refrigerating capacity of air-conditioner is lower than kilowatt, and refrigerator utilizes Ice Storage Tank ice-reserving cooling, the refrigerator evaporation coil is immersed in the Ice Storage Tank, because the heat transfer coefficient of evaporation coil and water is much larger than aerial heat transfer coefficient, thereby the refrigerating capacity of refrigerator evaporation coil can be brought up to the degree that is complementary with air-conditioner evaporator greatly, refrigerator is not established refrigerating chamber simultaneously, refrigerator evaporating temperature and air-conditioner evaporating temperature are also more approaching, so both shared cover refrigeration systems are unlikely compressor efficiency is declined to a great extent, the operation of refrigeration system also relatively steadily.The unit tow sides are respectively cold wind face and hot blast face, and the refrigerator door is positioned at unit cold wind face the latter half, up are cold wind return air inlet and air outlet successively, send the unit back side of air port relative altitude back to cold wind, and corresponding respectively hot blast is sent the air port back to; The unit internal refrigeration storage circulatory system is by a totally-enclosed compressor, a condenser, a dry filter for molten, an air-conditioner capillary, a refrigerator capillary, an air-conditioner evaporator, one cover Ice Storage Tank evaporation coil and two magnetic valves are formed, totally-enclosed compressor is installed on the heat-insulation layer of refrigerator top, condenser and air-conditioner evaporator adopt that fin-tube heat exchanger is single to be arranged vertically, lay respectively in the plenum chamber of the inboard air channel of hot blast air outlet and cold wind air outlet, each lays respectively in the inboard air draught of the two sides return air inlet road with a cross flow fan forced-convection heat transfer, cross flow fan; Be provided with water pond with fixed attention below the air-conditioner evaporator, be used for collecting condensate water, condensate water coagulating in the water box below pipeline flows to; After the condenser heat release, become normal temperature high voltage liquid by the high-temperature high-pressure refrigerant steam flow after the totally-enclosed compressor compression, pipeline has two branches behind the drying filter for molten again, article one, branch connects air-conditioner capillary and air-conditioner evaporator, another branch connects refrigerator capillary and Ice Storage Tank evaporation coil, article two, branch is respectively with a solenoid control, all be in closed condition during two magnetic valve outages, be in opening during energising; The refrigerating capacity when guaranteeing that air-conditioner uses and the even running of refrigeration system, two magnetic valves always one are opened one and are closed in the operation process, air-conditioner and refrigerator can not freeze simultaneously, stop to Ice Storage Tank evaporation coil feed flow when being the air-conditioner use, stop to the air-conditioner evaporator feed flow during Ice Storage Tank ice making running; Refrigerator keeps refrigerated storage temperature in the casing by being located at wherein Ice Storage Tank ice cold-storage, Ice Storage Tank is the closed container of a cuboid, inner water-filling, the Ice Storage Tank evaporation coil is immersed in the water, respectively establishes an ice distending at the Ice Storage Tank center and peripheral and closes the start and stop of control compressor; It is a kind of fine motion lever switch of sealing that the ice distending closes, and it be closure state in water, disconnection when ambient water is frozen, and it is the break-make that the principle of volumetric expansion is controlled the sound contact during according to water freezing.The electric control system of unit is design like this: be parallel with control relay circuit, compressor electric motor circuit and condenser cross flow fan motor circuit, air-conditioner evaporator cross flow fan motor circuit and air-conditioner electromagnetic valve coil circuit, refrigerator electromagnetic valve coil circuit on the single phase poaer supply circuit successively, wherein governor circuit comprises two cover multiple contact relay circuits, two ice distendings close and are connected in the refrigerator relay, and that ice distending that is positioned at the Ice Storage Tank center closes the normally open contact self-locking of two ends with the refrigerator relay; Air-conditioning start and stop button is connected in the air-conditioner relay circuit, the air-conditioner start button is realized the interlocking of air-conditioner and refrigerator with a normally open contact self-locking of air-conditioner relay, the normally closed interlock of the air-conditioner relay of connecting in addition in the refrigerator relay circuit; Any energising is connected on control unit start and stop on the parallel circuit of compressor electric motor and condenser cross flow fan motor in the main circuit after each normally open contact parallel connection, as long as can both make unit starting turn round in two relays with two relays; The normally open contact of an air-conditioner relay of series connection on air-conditioner evaporator cross flow fan motor and the air-conditioner electromagnetic valve coil parallel circuit, the normally open contact of a refrigerator relay of series connection is controlled break-make respectively on the refrigerator electromagnetic valve coil circuit.When pressing the starting of air conditioner button, the air-conditioner relay power, its normally open contact closure, normally closed interlock disconnects, so refrigerator relay electric-loss, its all normally open contacts keep disconnecting, the refrigerator closed electromagnetic valve, the air-conditioner magnetic valve is opened, the running of all switching on of compressor and two cross flow fan motors, cold-producing medium is through totally-enclosed compressor, condenser, dry filter for molten, the air-conditioner magnetic valve, the air-conditioner capillary, air-conditioner evaporator, totally-enclosed compressor carries out the air-conditioning circulation, because start button is by a normally open contact self-locking of air-conditioner relay, thereby air-conditioner turns round continuously, just stops when pressing stop button.When air-conditioner does not start, and ice distending in refrigerator Ice Storage Tank center is when closing because of ice-out conducting on every side, because Ice Storage Tank edge ice distending closes also inevitable conducting this moment, the refrigerator relay power, its all normally open contact closures, and all contacts of air-conditioner relay maintain the original state, the refrigerator magnetic valve is opened, the air-conditioner closed electromagnetic valve, compressor and the running of condenser cross flow fan electrical power, air-conditioner evaporator cross flow fan motor is not switched on and is not changeed, and cold-producing medium is through totally-enclosed compressor, condenser, dry filter for molten, the refrigerator magnetic valve, the refrigerator capillary, the Ice Storage Tank evaporation coil, totally-enclosed compressor carries out the ice making circulation; When urgent its that freeze around Ice Storage Tank center ice distending closes disconnects, because center ice distending closes the normally open contact self-locking that is subjected to the refrigerator relay, ice-making process is proceeded, up to the Ice Storage Tank freeze over, force edge ice distending to close and disconnect, just shut down during the refrigerator relay electric-loss; Because deicing processes always carries out from outside to inside, after ice-making process finishes after a while, when the edge ice-out causes edge ice distending to close connection, because ice distending pass, center is in off-state and the refrigerator relay is not switched on, compressor can not start, have only when Ice Storage Tank center ice-out is also connected ice distending pass, center, just can restart ice-making process.

Owing to adopt such scheme, make air-conditioner and the refrigerator can a shared cover refrigeration system, not only greatly reduce manufacturing cost and power consumption, also saved the installation workload of air-conditioner, unit is end for end and is just can be used as heat pump air conditioner simultaneously, does not need four-way change-over valve.

Fig. 1 is the front elevation of the embodiment of the invention.

Fig. 2 is the side view of the embodiment of the invention.

Fig. 3 is the chassis drawing of the embodiment of the invention.

Fig. 4 is the vertical section structural map of the embodiment of the invention.

(annotate: Fig. 3, Fig. 4 amplify than Fig. 1, Fig. 2)

Fig. 5 is the main circuit diagram of the embodiment of the invention.

Fig. 6 is the transmitter circuit figure of the embodiment of the invention.

Fig. 7 is that embodiment of the invention ice distending closes the structure drawing.

1. totally-enclosed compressors, 2. condensers, 3. air-conditioner evaporators, 4. dry filter for molten 5. air-conditioner capillaries 6. refrigerator capillaries 7. air-conditioner magnetic valves 8. refrigerator magnetic valves 9. hot blast air outlets 10. cold wind air outlets 11. condenser cross flow fans 12. evaporimeter cross flow fans 13. Ice Storage Tank 14. Ice Storage Tank evaporation coils 15. refrigerator doors 16. pressure switches 17. solidifying water pond 18. solidifying water box 19. cold wind return air 20. hot blast return air 21. ice distendings close dull and stereotyped 38. springs of 22. driving wheel 23. drive motors, 24. gear wheel 25. pinions, 26. steering wheel 27. orientation adjusting motors, 28. bevel gear 29. universal wheels, 30. unit leg 31. control panels, 32. heat radiation seam 33. movable contacts, 34. stationary contact 35. hard shells, 36. scalable film 37. pressure-bearings among the figure

In Fig. 4, the unit profile is an integral cabinet type, and refrigerator is positioned at the unit bottom, and air-conditioner is positioned at unit top, and air-conditioner is the air-conditioning object with the residing local wide open space of human body; The unit tow sides are respectively cold wind face and hot blast face, refrigerator door (15) is positioned at unit cold wind face the latter half, up be cold wind return air inlet (19) and cold wind air outlet (10) successively, at unit reverse side and cold wind air outlet (10) and cold wind return air inlet (19) corresponding height is respectively hot blast air outlet (9) and hot blast return air inlet (20), and whole unit is fixed on the motor-driven chassis by four unit legs (30); The inner totally-enclosed compressor of unit (1) is installed on the heat-insulation layer of refrigerator top, condenser (2) and air-conditioner evaporator (3) adopt that fin-tube heat exchanger is single to be arranged vertically, lay respectively in hot blast air outlet (9) and the inboard air channel of cold wind air outlet (10) plenum chamber, condenser cross flow fan (11) is arranged in the inboard air draught of hot blast return air inlet (20) road, and evaporimeter cross flow fan (12) is arranged in the inboard air draught of cold wind return air inlet (19) road; Be provided with water pond (17) with fixed attention below the air-conditioner evaporator (3), coagulate the drawer type that water pipe receives above the heat-insulation layer of refrigerator top and coagulate water box (18) top, coagulating water box (18) can extract out from unit air-conditioner side, as shown in Figure 2, on the air-conditioner side panel of unit top, be provided with some heat radiation seams (32) in addition for totally-enclosed compressor (1) heat transmission.Totally-enclosed compressor (1) blast pipe inserts from condenser (2) top, device for drying and filtering (4) is connected on the drain pipe of condenser (2) bottom, device for drying and filtering (4) pipeline afterwards has two branches, article one, branch connects air-conditioner magnetic valve (7) and air-conditioner capillary (5), cold-producing medium enters from air-conditioner evaporator (3) top, bottom discharging refrigerant steam; Another branch connects refrigerator magnetic valve (8) and refrigerator capillary (6), refrigerator capillary (6) is received downwards on the Ice Storage Tank evaporation coil (14) along the refrigerator inwall, Ice Storage Tank evaporation coil (14) is immersed in the middle of the Ice Storage Tank (13), Ice Storage Tank (13) is the closed container of a cuboid, inner water-filling, it is fixed on the cabinet interior below, Ice Storage Tank evaporation coil (14) stretches out Ice Storage Tank (13) coil multi-turn in Ice Storage Tank (13) after, and muffler returns totally-enclosed compressor (1) again after the refrigerator inwall upwards converges with air-conditioner evaporator (3) muffler; Respectively establish an ice distending at Ice Storage Tank (13) center and peripheral and close (21), it is the fine motion lever switch of a sealing that the ice distending closes (21), profile is the flat box-like of ladder, as shown in Figure 7, low cascaded surface is made of scalable film (36), remainder is hard shell (35), it is a cover leverage that the ice distending closes (21) inside, balance pivot is located on the step of hard shell (35), lever one end has a pressure-bearing flat board (37) to be close to scalable film (36), the other end is provided with a movable contact (33), and lever and hard shell (35) are coupled together with a spring (38), be provided with a stationary contact (34) with movable contact (33) relative direction in addition, each is external to movable contact (33) and stationary contact (34) in the unit control circuit with a lead outlet box, the ice distending closes (21), and movable contact (33) and stationary contact (34) are not in closure state down in spring (38) effect during pressurized, when ice distending pass (21) ambient water is frozen, because water freezing volumetric expansion, oppress the following pressure-bearing flat board (37) of scalable film (36), movable contact (33) and stationary contact (34) are disconnected.

Be provided with manual control and remote control two parts in control circuit figure shown in Figure 5, piezo-resistance TNR801 plays the overvoltage protection effect, is provided with control panel (31) at the unit tow sides; Front control panel (31) comprises power switch K1, air-conditioning start and stop button QA1 and TA1, state display screen V11, V13, V15, V17, V19 and infrared receiving tube V0; Reverse side control panel (31) comprises power switch K2, air-conditioning start and stop button QA2 and TA2, state display screen V12, V14, V16, V18, V20 and infrared receiving tube V1; SRE J3 in the power switch K1 circuit wherein, five normally open contacts of relay J 3 are connected on respectively on V11, V13, V15, V17, the V19 state display screen circuit; SRE J4 in the power switch K2 circuit, five normally open contacts of relay J 4 are connected on respectively on the circuit of V12, V14, V16, V18, V20 state display screen, its normally closed interlock is used for pinning refrigerator relay J 1, makes to start ice-making process winter.The unit main circuit is design like this: be parallel with control relay circuit on the single phase poaer supply circuit successively, compressor electric motor M1 circuit and condenser cross flow fan motor M 2 circuit, air-conditioner evaporator cross flow fan motor M 3 circuit and air-conditioner electromagnetic valve coil DF2 circuit, refrigerator electromagnetic valve coil DF1 circuit, Ice Storage Tank (13) the center ice distending of wherein having connected in refrigerator relay J 1 circuit closes BZ1 (21) and edge ice distending closes BZ2 (21), and BZ1 realizes interlocking with the normally open contact self-locking of J1, the normally closed interlock of the air-conditioner relay J 2 of also having connected respectively in the J1 circuit in addition and the normally closed interlock of relay J 4; Be in series with the manual stop button TA1 of air-conditioning and TA2, bidirectional thyristor V27 and solid-state relay SSR3 in air-conditioner relay J 2 circuit, air-conditioning manual actuation of button QA1 and QA2 are connected in parallel on bidirectional thyristor V27 two ends, and with the normally open contact self-locking of J2.Air-

conditioner relay J

2 and 1 each the start and stop of refrigerator relay J with common control compressor electric motor M1 and condenser cross flow fan motor M 2 after the normally open contact parallel connection, as long as any energising can both make unit starting running, the pressure switch YJ (16) that has also connected and shielded simultaneously among J1 and the J2 on the M1 circuit; The normally open contact control of an air-conditioner relay J 2 of series connection on evaporimeter cross flow fan motor M 3 and the air-conditioner electromagnetic valve coil DF2 parallel circuit, refrigerator electromagnetic valve coil DF1 controls with the normally open contact of refrigerator relay J 1.Remote control circuit can also remote control unit advance and retreat and adjustment direction except that the start and stop that can control air-conditioner.Remote-control receiving circuit is made of preamplifier, phaselocked loop tone decoder, counter, gate logic gate circuit, power control circuit, status display circuit, shutdown delay protection circuit and several parts of voltage-stabilized power supply.V2 and IC1 (IC1 selects the universal operational amplifier of μ A741 for use) etc. form preamplifier, when infrared receiving tube V0 or V1 receive the infrared light pulse of transmitter, just produce the weak voltage signal with the light pulse same frequency on the left side of C1, send into the dual-stage amplifier that V2 and IC1 constitute through C1 and amplify; Signal after the amplification is divided into two-way through C4, deliver to 3 pin of integrated phase lock tone decoder IC2, IC5 (IC2, IC5 all select LM567 for use) respectively, when the frequency of 3 pin input signals conforms to the centre frequency of voltage controlled oscillator, its logic output terminal 8 pin become low level by high level, export a negative logic pulse, this circuit is exactly to utilize the frequency-selecting of this function realization to remote signal; The centre frequency of the voltage controlled oscillator among IC2, the IC5 is consistent with radiating circuit S1, tranmitting frequency when S2 presses respectively.When pressing transmitter S1, negative pulse of 8 pin output of IC2, after V3 is anti-phase, become positive pulse, act on the CP end of IC3, IC3 CD4017 decade counter, wherein the Q6 end is connected with reset terminal R, constitutes sextuple denotation counter, IC3 can only have an output output high level at every turn, controls six functions of unit here respectively with its six outputs of Q0, Q1, Q2, Q3, Q4, Q5; When pressing transmitter S1 for the first time, the Q0 output output high level of IC3, Q0 output connects the in-phase input end of IC4 (IC4 selects the LF356 voltage comparator for use), if at this moment in-phase input end voltage is higher than inverting input voltage, IC4 output high level drives bidirectional thyristor V27 conducting, relay J 2 energisings, its all normally open contact closures, normally closed interlock disconnects, the air-conditioner entry into service, relay J 1 can not be carried out the refrigerator ice-making process owing to cut off the power supply by the interlocking of J2 normally closed interlock.Press once-used emitter S1 again after the air-conditioning start, the Q1 end output high level of IC3, amplifier tube V10 conducting, surface light-emitting device V19 or V20 are luminous to indicate whether to adjust the unit distance, transfer nearly unit distance if desired, at this moment whenever press once-used emitter S2, negative pulse of 8 pin output of IC5, becoming positive pulse after V21 is anti-phase delivers to and door V22, V23, V24, V25, the control utmost point of V26, because at this moment IC3 has only Q1 end output high level, five with door in have only high level of V22 output, just changeing once by solid-state relay SSR1 control drive motors (23), further transfer nearly unit distance if desired, it is opposite just to press once-used emitter S2 again, transfers unit distance far away if desired, just press earlier once-used emitter S1, make the Q2 end output high level of IC3, treat after surface light-emitting device V17 or the V18 indication to adjust distance by solid-state relay SSR2 control drive motors (23) counter-rotating again by transmitter S2.Ought press transmitter S1 in addition, Q3 or the Q4 of IC3 are held when exporting high level, corresponding is the rotating of orientation adjusting motor (27) respectively, after corresponding surface light-emitting device V15 or V16, V13 or the luminous indication of V14, press transmitter S2 again and adjust the direction that unit is advanced and retreat, the Cu, the Cd that deliver to IC6 (IC6 adopts special integrated chip PMM8713) with the output of door V24, V25 hold, IC6 output is amplified rear drive orientation adjusting motor (27) rotating, the stepper motor of orientation adjusting motor (27) employing+24V power supply by IC7 (IC7 selects power transistor array SLA4061 for use).When any output was exported high level in four outputs of Q1, Q1, Q2, Q3, the Q4 of IC3, transmitter S2 was equivalent to the inching button of drive motors (23) or orientation adjusting motor (27).The Q5 end of IC3 is to shut down output, during Q5 output high level, amplifier tube V6 conducting, stopping signals to be sent such as the luminous indication air-conditioner of V11 or V12, if at this moment press transmitter S2 again, then with door V26 output high level, control closed type solid-state relay SSR3 disconnects, 2 outages of air-conditioner relay J, compressor emergency shutdown; In addition as long as when the Q5 of IC3 end output high level; V28 is conducting immediately; and pass through diode V5 and give capacitor C11 charging rapidly; behind the compressor emergency shutdown; because capacitor voltage at both ends can not be suddenlyd change; and V5 is anti-higher resistance state; C11 can only discharge by R24, R25, R26; the voltage of C11 descends gradually; through a few minutes, when the inverting input voltage of voltage comparator ic 4 was lower than the output high level of counter IC3, Q0 output high level just can make IC4 output high level; air-conditioner could be started shooting again, so just plays the effect of shutting down delay protection.After the air-conditioner start, because the self-locking action of relay J 2 normally open contacts, even V27 ends, air-conditioner still turns round, and until sending shutdown command, solid-state relay SSR3 disconnects, relay J 2 dead electricity, and its normally open contact disconnects just shuts down; Recover conducting even shut down back SSR3, before not starting shooting again, air-conditioner still is in stopped status.

In radiating circuit shown in Figure 6,

door

1,2 and R1, R2, W1, W2, C1 constitute astatic multivibrator, when pressing S1, S2 respectively, circuit produces two kinds of different frequencies of oscillation, oscillator signal 6 is delivered to V1 through door 3 and door 4, door 5, door, carry out power amplification rear drive infrared light diode V2 by V1 and outwards launch infrared light pulse, door 4, door 5, door 6 parallel connections are in order to improve the driving force of gate circuit, here gate circuit adopts 74 serial CMOS six not gate 74HC04, its operating voltage is 2 to 6V, and transmitter power voltage selects 3V.Because the effect of R4, making the input of door 1 at ordinary times is low level, after the level Four not gate is anti-phase, door 4, door 5,6 grades of output low levels of door, so when not pressing S1, S2 at ordinary times, V1 ends, the static working current of whole radiating circuit is less than 1 μ A, so transmitter has saved power switch, and two function control button S1 and S2 only are set.

In the drawing of chassis shown in Figure 3, the chassis is a rectangle, two driving wheels (22) are positioned at the rear portion, chassis, drive motors (23) crosswise fixed is at the rear portion, chassis, driving driving wheel (22) by pinion (25) and gear wheel (24) deceleration back rotates, pinion (25) is direct-connected in drive motors (23) rotating shaft, and gear wheel (24) is positioned in the middle of driving wheel (22) rotating shaft; Orientation adjusting motor (27) is installed in the chassis anteriomedial, and it rotates by bevel gear (28) control steering wheel (26); Respectively adorn a universal wheel (29) below anterior two angles, chassis, whole unit is to be fixed on the chassis by four the unit legs (30) near four jiaos on chassis.

Claims

1. air conditioner refrigerating cabinet, the unit internal cooling system by refrigerant tubing with compressor, condenser, dry filter for molten, capillary, evaporimeter, compressor is linked in sequence and forms, it is characterized in that: the unit profile is an integral cabinet type, refrigerator is positioned at the unit bottom, air-conditioner is positioned at unit top, the unit tow sides are respectively cold wind face and hot blast face, the refrigerator door is located at unit cold wind face the latter half, up being cold wind return air inlet and cold wind air outlet successively, is respectively hot blast air outlet and hot blast return air inlet at unit reverse side and cold wind air outlet and cold wind return air inlet corresponding height; The inner totally-enclosed compressor of unit is installed on the heat-insulation layer of refrigerator top, condenser and air-conditioner evaporator adopt that fin-tube heat exchanger is single to be arranged vertically, lay respectively in the plenum chamber of the inboard air channel of hot blast air outlet and cold wind air outlet, the condenser cross flow fan is arranged in the inboard air draught of the hot blast return air inlet road, the evaporimeter cross flow fan is arranged in the inboard air draught of the cold wind return air inlet road, is provided with water pond with fixed attention below the air-conditioner evaporator; The totally-enclosed compressor blast pipe is connected to the condenser top, dry filter for molten is connected on the drain pipe of condenser, pipeline has two branches after the dry filter for molten, and a branch connects air-conditioner magnetic valve and air-conditioner capillary, is connected to the air-conditioner evaporator top then; Another branch connects refrigerator magnetic valve and refrigerator capillary, the refrigerator capillary is connected on the Ice Storage Tank evaporation coil downwards, the Ice Storage Tank evaporation coil stretches out Ice Storage Tank coil multi-turn in Ice Storage Tank after, muffler upwards returns to be received on the totally-enclosed compressor air intake duct after muffler with air-conditioner evaporator converges again, all be not in closed condition when wherein air-conditioner magnetic valve and refrigerator magnetic valve are switched on, open during energising; The Ice Storage Tank evaporation coil is immersed in the middle of the Ice Storage Tank, Ice Storage Tank is fixed on cabinet interior, it is the closed container of a cuboid, inner water-filling, respectively establishing an ice distending at the Ice Storage Tank center and peripheral closes, it is a kind of fine motion lever switch of sealing that the ice distending closes, and two ice distendings close lead-out wire to be received on the unit control circuit; The unit main circuit is design like this: be parallel with control relay circuit on the single phase poaer supply circuit successively, compressor electric motor circuit and condenser cross flow fan motor circuit, air-conditioner evaporator cross flow fan motor circuit and air-conditioner electromagnetic valve coil circuit, refrigerator electromagnetic valve coil circuit, the Ice Storage Tank center ice distending of wherein having connected in refrigerator relay J 1 circuit closes BZ1 and edge ice distending closes BZ2, the BZ1 normally open contact self-locking of J1, two ice distendings all are in closure state, the normally closed interlock of the air-conditioner relay J 2 of also connecting in relay J 1 circuit in addition when closing not pressurized; Be in series with air-conditioning manual start and stop button QA and TA in air-conditioner relay J 2 circuit, a start button QA normally open contact self-locking of relay J 2; Air-conditioner relay J 2 and refrigerator relay J 1 are respectively with on the parallel circuit that is connected on compressor electric motor M1 and condenser cross flow fan motor M 2 after the normally open contact parallel connection; The normally open contact of an air-conditioner relay J 2 of series connection on evaporimeter cross flow fan motor M 3 and the air-conditioner electromagnetic valve coil DF2 parallel circuit, the normally open contact of a refrigerator relay J 1 of series connection on the refrigerator electromagnetic valve coil DF1 circuit.

2. air conditioner refrigerating cabinet according to claim 1, it is characterized in that: whole unit is fixed on the motor-driven chassis by four unit legs, the chassis is a rectangle, two driving wheels are positioned at the rear portion, chassis, the drive motors crosswise fixed is at the rear portion, chassis, pinion is direct-connected in the drive motors rotating shaft, gear wheel is positioned in the middle of the driving wheel rotating shaft, orientation adjusting motor is installed in the chassis anteriomedial, it rotates by bevel gear control steering wheel, steering wheel is located at anteriomedial position, chassis, below anterior two angles, chassis a universal wheel is installed respectively in addition; Ice Storage Tank is fixed on the cabinet interior below, refrigerator capillary and Ice Storage Tank evaporation coil muffler all are arranged vertically along the refrigerator wall, on the air-conditioner side panel of unit top, be provided with some heat radiation seams, drawer type coagulates the water box and is installed in above the heat-insulation layer of refrigerator top, coagulate water pond and coagulate water pipe and receive water box top with fixed attention, coagulate the outlet of water box simultaneously and be located at unit air-conditioner side; The unit tow sides are provided with control panel, and the front control panel comprises power switch K1, air-conditioning start and stop button QA1 and TA1, state display screen V11, V13, V15, V17, V19 and infrared receiving tube V0; The reverse side control panel comprises power switch K2, air-conditioning start and stop button QA2 and TA2, state display screen V12, V14, V16, V18, V20 and infrared receiving tube V1; SRE J3 in the power switch K1 circuit wherein, five normally open contacts of relay J 3 are connected on respectively on V11, V13, V15, V17, the V19 state display screen circuit, SRE J4 in the power switch K2 circuit, five normally open contacts of relay J 4 are connected on respectively on the circuit of V12, V14, V16, V18, V20 state display screen, and its normally closed interlock is connected on refrigerator relay J 1 circuit; Stop botton TA1 and TA2 are connected on the J2 circuit, and start button QA1 and QA2 are relation in parallel with bidirectional thyristor V27, and carry out self-locking with the normally open contact of J2, and a closed type solid-state relay SSR3 has in addition also connected on the J2 circuit; In the remote controlled transmitting circuit, door 1,2 and R1, R2, W1, W2, C1 constitute astatic multivibrator, button S1 and the respectively corresponding two kinds of different frequencies of oscillation of S2, oscillator signal 6 is delivered to power amplifier tube V1 through door 3 and door 4, door 5, door, infrared light diode V2 is connected on the colelctor electrode of V1, transmitter power voltage selects 3V, extremely is in series with a big resistance R 4 at door 1 circuit input end and power-in addition; Remote-control receiving circuit is by preamplifier, phaselocked loop tone decoder device, counter, the gate logic gate circuit, power control circuit, status display circuit, shutting down several parts of delay protection circuit and voltage-stabilized power supply constitutes, V2 and IC1 (IC1 selects the universal operational amplifier of μ A741 for use) etc. form preamplifier, the IC1 amplifying signal is divided into two-way through C4, proceed to integrated phase lock tone decoder IC2 respectively, IC5 (IC2, IC5 all selects LM567 for use) 3 pin, IC2, the centre frequency of the voltage controlled oscillator among the IC5 respectively with radiating circuit S1, tranmitting frequency unanimity when S2 presses, the 8 pin output of IC2 acts on the CP end of IC3 after V3 is anti-phase, IC3 selects the CD4017 decade counter for use, wherein the Q6 end is connected with reset terminal R, constitute sextuple denotation counter, the in-phase input end of the Q0 output termination voltage comparator ic 4 (IC4 selects the LF356 voltage comparator for use) of IC3, the output of voltage comparator ic 4 is received the control of bidirectional thyristor V27 and is extremely gone up, Q1, Q2, Q3, Q4, the Q5 output meets V10 respectively, V9, V8, V7, the base stage of V6 amplifier tube and gating logic gate AND circuit V22, V23, V24, V25, the input of V26, wherein the Q5 output also has a branch to receive amplifier tube V28 base stage, the inverting input of voltage comparator ic 4 is connected on the charging circuit of being controlled by V28, charging circuit is by C11 and R24, R25, R26 is connected in parallel between the inverting input and ground wire of IC4, and a diode V5 oppositely is set on charging circuit; The 8 pin output of IC5 is delivered to after V21 is anti-phase and door V22, V23, V24, V25, the control utmost point of V26, V22, the V23 output meets solid-state relay SSR1 respectively, the control end of SSR2, SSR1, the output of SSR2 is connected on respectively on the rotating coil of drive motors, V24, the V25 output meets the Cu of IC6 (IC6 adopts special integrated chip PMM8713) respectively, the Cd input, IC6 output is amplified the rotating of rear drive orientation adjusting motor through IC7 (IC7 selects power transistor array SLA4061 for use), the stepper motor of orientation adjusting motor employing+24V power supply, the input of solid-state relay SSR3 is delivered in V26 output.

3. ice distending according to claim 1 closes, it is characterized in that: it is a kind of fine motion lever switch of sealing, profile is the flat box-like of ladder, low cascaded surface is scalable film, and remainder all is hard shells, and it is a cover leverage that the ice distending closes inside, balance pivot is located on the step of hard shell, lever one end has a pressure-bearing flat board to be close to scalable film, and the other end is provided with a movable contact, and couples together with a spring handle lever and hard shell; Be provided with a stationary contact with the movable contact relative direction in addition, movable contact and stationary contact each with outside the lead outlet box, movable contact and stationary contact are in closure state when icing distending and closing not pressurized under spring action.