CN1195177C - Wall Crossing central air conditioner - Google Patents

Abstract

The present invention relates to a wall crossing central air conditioner which is composed of a host machine and a plurality of matched sub machines, wherein the host machine and the sub machines are connected through multicore cables; the host machine is provided with a control system of the whole device, and can be singly or simultaneously provided with an independent refrigerating system and a fresh air exchange device; the sub machines only comprise a set of independent refrigerating systems, and do not comprise an independent control device and a four-way reversing valve. The refrigerating output of each of the sub machines does not exceed 2500 w, and the number of the sub machines is determined according to the magnitude of loads of the air conditioner in a room. The present invention has the advantage that an air conditioner device with two specifications of one host machine and a plurality of sub machines can satisfy air conditioning requirements of all rooms, and simultaneously has the advantages of simple installation of the host machine and the sub machines, and no specialization service.

Description

The wall-penetrating type central air-conditioning

Technical field the present invention relates to a kind of minitype air conditioner device that adopts Vapor Compression Refrigeration Cycle, specifically, relates to a kind of modular package AC plant that adopts central authorities' control.

The existing room air conditioner of background technology is divided into monoblock type and split type two classes basically, different according to indoor units structure and mounting means, and they can be divided into window formula, wall-hanging, ceiling mounting type, flush type, embedded, cabinet type and console mode again.In general, air-conditioner is to reduce indoor temperature by this circulation of compression, condensation, expansion and evaporation of carrying out cold-producing medium in turn.Detachable air conditioner is divided into outdoor unit and indoor units, wherein outdoor unit accommodates compressor and condenser, indoor units accommodates evaporimeter and expansion gear, connects by two refrigerant lines between outdoor unit and the indoor units, and it is installed needs very strong proficient service.Window air conditioner has a housing, outdoor unit and indoor unit are contained in the housing jointly, wherein outdoor unit accommodates compressor and condenser, indoor unit accommodates capillary and evaporimeter, owing to be subjected to the restriction of noise and build, the common specification of window air conditioner all is no more than 2P, is difficult to satisfy the air-conditioning requirement of big room.In order to realize that heat pump heats, above-mentioned air-conditioner all needs to increase a four-way change-over valve without exception to change refrigerant flow direction, has not only increased the air-conditioner cost, has also reduced the reliability of complete machine.Various in addition air-conditioners adopt one to one mode to mate the not air conditioner load of chummery usually, so every type unit is designed to some kinds of specifications and models again, make the installation and maintenance of air-conditioner all be difficult to standardization more.

It is few but can satisfy different room air conditioners load that summary of the invention main purpose of the present invention provides a kind of specification, installs simply, do not establish four-way change-over valve simultaneously and also can realize the air-conditioner that heat pump heats.

Other purpose of the present invention and advantage will partly be illustrated in following explanation, and part is embodied in apparent or from the scope that enforcement of the present invention can be known from specification.

In order to realize above-mentioned target, the invention provides a kind of wall-penetrating type central air-conditioning, it is joined 0～4 handset by a main frame and forms, main frame and handset all are wall-penetrating type air-conditioning units, establish the control system of package unit in the main frame, handset is the power expansion module of refrigeration system, and the refrigerating capacity of handset unit is no more than 2500w, is connected by multicore cable between main frame and the handset.Main frame comprises a cover independent cooling device of being made up of refrigeration annexes such as compressor, condenser, evaporimeter, capillary, condenser fan, condenser fan motor, evaporator fan, evaporator fan motor and reservoir, devices for drying and filtering, one overlap new wind, air draft heat-exchange device by what air-air heat exchanger and new wind air draft blower fan were formed, cabinet of being made up of chassis, shell, the vaporizer side panel that contains inlet and outlet and condenser side panel and control circuit board etc. are formed.One overlap the independent cooling device and handset only contains in the cabinet of being made up of chassis, shell, the vaporizer side panel that contains inlet and outlet and condenser side panel that a cover closed by compressor, condenser, evaporimeter, cooling and warming capillary, condenser fan, condenser fan motor, evaporator fan, evaporator fan motor and reservoir, device for drying and filtering, defrosting magnetic valve, capillary that refrigeration annex such as magnetic valve forms, do not have independently control circuit and air-air heat-exchange device, thereby handset can not be used separately.Main frame and handset inside are divided into indoor unit and outdoor unit two parts by thermal insulation layer, host housing is provided with 0～4 host socket and uses for handset, corresponding position, handset shell both sides respectively is provided with a corresponding handset socket, is connected by multicore cable between main frame and the handset.If cubicle main frame itself can satisfy its air conditioner load demand, then need not dispose handset, main frame uses separately, and main frame evaporimeter air outlet inboard can be provided with the auxiliary electro-heat device in addition; When the room main frame that air conditioner load is bigger can't satisfy its air-conditioning requirement, then according to the handset of the size configure respective numbers of room air conditioner load.Main frame and handset all adopt the cuboid profile, and the tubular that directly is placed in flanging in the band corresponding with its size is installed in the built-in fitting, and main frame and handset all are provided with movable handle, can install the built-in fitting from body of wall easily and release.Because no matter be refrigerating operaton or winter heating's operation in summer, the heat transfer temperature difference of outdoor unit all is lower than the heat transfer temperature difference of indoor unit usually, simultaneously because the restriction of condenser and evaporator size, require the ventilation of the ventilation of outdoor unit much larger than indoor unit, so handset condenser fan motor and evaporator fan motor all adopt double-speed motor, and under the high and low rotating speed situation separately air quantity difference all more than one times.Handset is not established four-way change-over valve, and evaporimeter is positioned at indoor unit during refrigeration, and condenser is positioned at outdoor unit, the evaporator fan low-speed running, and condenser fan runs up; Pull up the multicore cable plug between handset and the main frame, the handset Rotate 180 ° is loaded onto again, just change heating operation over to, evaporimeter is positioned at outdoor unit when heating, and condenser is positioned at indoor unit, and evaporator fan runs up, the condenser fan low-speed running.

The invention has the advantages that the aircondition that only needs a main frame and two kinds of specifications of several handsets just can satisfy the air-conditioning requirement in all rooms, the refrigeration system of main frame and handset is again separately independently simultaneously, make that the installation of air-conditioner is very simple, no longer need proficient service; Because handset only needs Rotate 180 ° use just can finish the conversion of cooling and warming, no longer need four-way change-over valve in addition, also need not shut down during defrosting, not only reduced product cost, also improved the reliability of unit.

To the detailed description of embodiment and with reference to accompanying drawing, other purpose of the present invention and advantage will become more obviously and obtain understanding more clearly description of drawings by following.In the accompanying drawing:

Fig. 1 is two handsets of main frame band scheme of installations through walls under windowsill.

Fig. 2 is a main frame kind of refrigeration cycle schematic diagram.

Fig. 3 is a handset kind of refrigeration cycle schematic diagram.

Fig. 4 is host implementation example 1 a forward schematic diagram.

Fig. 4 A is the zoomed-in view of the regional A that draws a circle among Fig. 4.

Fig. 5 is that host implementation example 1 back is to schematic diagram.

Fig. 6 is host implementation example 1 a left-hand schematic diagram.

Fig. 6 A is the zoomed-in view of the regional A that draws a circle among Fig. 6.

Fig. 7 is host implementation example 1 a dextrad schematic diagram.

Fig. 8 is host implementation example 1 elevational schematic view.

Fig. 8 A is the zoomed-in view of the regional A that draws a circle among Fig. 8.

Fig. 9 is handset embodiment 1,2 forward or back to schematic diagram.

Figure 10 is handset embodiment 1,2 a left-hand schematic diagram.

Figure 11 is for installing the built-in fitting side sectional view.

Figure 12 is for installing the built-in fitting front view.

Figure 13 is handset embodiment 3 forwards or back to schematic diagram.

Figure 14 is handset embodiment 3 plan structure enlarged diagrams.

Figure 15 is a handset internal circuit schematic diagram.

Figure 16 is the multicore cable schematic diagram.

Figure 17 is host implementation example 1 a control circuit schematic diagram.

Figure 18 is host implementation example 1 a STRUCTURE DECOMPOSITION schematic diagram.

Figure 19 is handset embodiment 1 a STRUCTURE DECOMPOSITION schematic diagram.

Figure 19 A is the zoomed-in view of the regional A that draws a circle among Figure 19.

Figure 20 is host implementation example 1 a side-looking structure enlarged diagram.

Figure 21 is host implementation example 2 side-looking structure enlarged diagrams.

Figure 22 is handset embodiment 1 a side-looking structure enlarged diagram.

Figure 23 is handset embodiment 2 side-looking structure enlarged diagrams.

Unit number	Component names	Unit number	Component names	Unit number	Component names
						1	Main frame	19	Shell	37	The condenser air inlet
2	Handset	20	Movable handle	38	The condenser air outlet
						3	Multicore cable	21	Rubber shock-absorbing pad	39	The defrosting magnetic valve
4	Built-in fitting is installed	22	Reservoir	40	Capillary is closed magnetic valve
						5	Terminal box	23	Muffler	41	Screen pack
6	Compressor	24	Device for drying and filtering	42	Host socket

7	Condenser	25	The evaporimeter drip tray	43	The ss switch
						8	Evaporimeter	26	Aqueduct	44	The handset socket
9	Capillary	27	Water-cooled cap	45	Spiral case
						10	Condenser fan	28	New wind air inlet	46	The snail tongue
11	The condenser fan motor	29	The air draft air inlet	47	Hinge
						12	Evaporator fan	30	New wind air outlet	48	Snap-fastener
13	The evaporator fan motor	31	The air draft air outlet	49	The terminal box cover plate
						14	The chassis	32	The auxiliary electro-heat element	50	Thermal insulation layer
15	Air-air heat exchanger	33	Screw	51	Movable handle sliding sleeve
						16	New wind air draft blower fan	34	Display floater	52	The handle slit
17	The vaporizer side panel	35	The evaporimeter air inlet	53	The multicore cable plug
						18	The condenser side panel	36	The evaporimeter air outlet

Specific embodiment wall-penetrating type central air-conditioning is by a main frame 1,0～4 handset 2 and corresponding multicore cable 3, built-in fitting 4 is installed to be formed, wherein main frame 1 and handset 2 all are wall-penetrating type air-conditioning units, main frame 1 is connected by multicore cable 3 with handset 2, different is control system and the new wind of a cover of establishing package unit in the main frame 1, the air draft heat-exchange device, handset 2 only is not independently a control circuit and newly wind, the single cold type unit of air draft heat-exchange device, handset 2 quantity determine that according to the room air conditioner load what Fig. 1 showed is the situation of a main frame 1 with two handsets 2.Main frame 1 unidirectional use is provided with display floater 34 on its vaporizer side panel 17, then do not have display floater 34 on the condenser side panel 18, and main frame 1 shell 19 is one-sided to be provided with 0～4 host socket 42, has set up a ss switch 43 on each host socket 42; Because unidirectional use, so main frame 1 only is provided with movable handle 20 at vaporizer side.Handset 2 two-way uses, do not establish display floater 34 on handset 2 vaporizer side panels 17 and the condenser side panel 18, but be equipped with movable handle 20 in its both sides, at main frame 1 and handset 2 movable handles 20 places of passing panel a handle slit 52 is arranged all, as activity 20 access ways of shaking hands, shown in Fig. 4 A, handset 2 shells 19 left and right sides are equipped with handset socket 44 in addition.Main frame 1 all adopts perpendicular rectangular shape with handset 2, and adopt in an embodiment identical appearance and size wide * high * dark=W1 * H1 * D1, main frame 1 all inserts in the installation built-in fitting 4 that is installed in tubular with handset 2, the interior empty size that built-in fitting 4 is installed is wide * and height=W2 * H2 is respectively than the fit clearance of main frame 1 and the big 0.5～4mm of handset 2 appearance and size W1 * H1, the built-in fitting 4 lateral in-flanges shape that meets at right angles is installed simultaneously, outwards fall when stopping that main frame 1 and handset 2 installed, outer side clearway size W3 * H3 is respectively than main frame 1 and the little 20～60mm of handset 2 appearance and size W1 * H1 behind the flange; The built-in fitting 4 inboard outward flangings shape that meets at right angles is installed, and to cover slit, wall hole, the outside size W4 * H4 behind the inboard outward flanging is then respectively than main frame 1 and the big 20～80mm of handset 2 appearance and size W1 * H1.The side that built-in fitting 4 is installed is provided with terminal box 5, the position of terminal box 5 is just in time relative with the handset socket 44 of main frame 1 or handset 2 installation in position aft engine sockets 42 or a side, and the handset socket 44 of opposite side is also just in time relative with terminal box 5 after ° installation of handset 2 Rotate 180s.Terminal box 5 adopts ambroin to make, top terminal box cover plate 49 1 sides link to each other with box body with hinge 47, opposite side adopts snap-fastener 48 to be buckled on the box body, in the time of need tearing machine open by opening terminal box cover plate 49, pull up multicore cable plug 53, pulling activity handle 20 just can be main frame 1 or handset 2 release repairings, cleaning or change handset 2 directions.

Main frame a kind of refrigeration cycle flow process is compressor 6 → condenser 7 → device for drying and filtering 24 → capillary 9 → evaporimeter 8 → reservoir 22 → compressor 6.Handset 2 refrigeration systems are Duoed a normally closed defrosting magnetic valve 39, two capillaries than main frame 1 refrigeration system and are closed magnetic valve 40 and one and heat capillary 9 and relevant connection pipeline, two capillaries are closed magnetic valve 40 and always one are opened one and close, wherein control summer refrigerating capillary 9 magnetic valve 40 and be normally open solenoid valve, the magnetic valve 40 of control winter heating capillary 9 is a normally closed solenoid valve.Handset 2 kind of refrigeration cycle flow processs are that compressor 6 → condenser 7 → device for drying and filtering 24 → refrigerating capillary is closed magnetic valve 40 → refrigerating capillary 9 → evaporimeter 8 → reservoir 22 → compressor 6, heat circulation process and be compressor 6 → condenser 7 → device for drying and filtering 24 → heat capillary and close magnetic valve 40 → heat capillary 9 → evaporimeter 8 → reservoir 22 → compressor 6, cooling and warming all is an one-way flow, evaporimeter 8 was positioned at the indoor when different was refrigeration, condenser 7 is positioned at the outside, and evaporimeter 8 is positioned at the outside when heating, and condenser 7 is positioned at the indoor.Handset 2 condenser fan motors 11 and evaporator fan motor 13 all are to adopt double-speed motor in addition, and separately air quantity difference is all more than one times under the high and low rotating speed situation, evaporator fan motor 13 low-speed runnings during handset 2 refrigerating operatons, condenser fan motor 11 runs up, evaporator fan motor 13 runs up during heating operation, condenser fan motor 11 low-speed runnings are to satisfy the air quantity demand under evaporimeter 8 and condenser 7 each comfortable different operating mode.

Main frame 1 inside is provided with air-air heat exchanger 15, the new wind air outlet 30 and air draft air outlet 31 places of air-air heat exchanger 15 respectively are provided with a blower fan 16, be used to control the air intake and the air draft of air-air heat exchanger 15, two blower fans always start simultaneously.

The design of control strategy of the present invention can be adopted following scheme: unit operation adopts indoor temperature control, as to set summer comfort temperature interval be 24～28 °, winter, the comfort temperature interval was 18～22 °, (minimizing) 1 ℃ of the every increase of outdoor temperature in summer simultaneously, sliding (downslide) 0.36 ℃ on the then indoor comfort temperature interval, 1 ℃ of the every increase of outdoor temperature in winter (minimizing), sliding (downslide) 0.30 ℃ on the then indoor comfort temperature interval; Defrost operation adopts outdoor temperature and outside humidity to jointly control.Because handset 2 has only a kind of specification, can be determined by experiment the running time that is issued to defrosting thickness in different outdoor temperatures and outside humidity combined situation, experimental data is deposited in the data storage of host computer control circuit, continuous operating time by each handset 1 of detection record accumulative total under various outdoor temperatures and outside humidity situation in the actual motion and with data storage in experimental data relatively, thereby judge and whether need defrosting, only need open defrosting magnetic valve 39 during defrosting, the high temperature and high pressure gaseous refrigerant that compressor 6 is discharged directly enters evaporimeter 8 defrosts, defrost finishes and closes defrosting magnetic valve 39 again, and handset 2 is recovered again to run well.Also can stagger each 2 defrost time of handset by main frame 1 programme-control, if the main frame auxiliary electro-heat is not activated during handset 2 defrosts are arranged in addition, room temperature is lower than setting room temperature lower limit simultaneously, then can start this auxiliary electro-heat and finish up to handset 2 defrosts, to keep the constant of room temperature.

Unit adopts microcomputerized control, and CPU adopts 8031 single-chip microcomputers in the host implementation example 1 control circuit schematic diagram as shown in figure 17, and it is connected with program storage 27256, data storage 6264, I/O extended chip 8155, data selector 74LS152; Outdoor temperature sensor RTO, indoor temperature transmitter RTI and outside humidity sensor RSH respectively with temperature simulation/frequency converter TO (NE555), TI (NE555) links to each other with humidity simulation/frequency converter SHD (NE555), through TO, TI and SHD conversion and the frequency signal of output is delivered to data selector 74LS152, in addition, 74LS152 also links to each other with SS switch 43, host implementation example 1 casing is provided with 4 host sockets 42, a SS switch 43 is all arranged on every host socket 42, as shown in Figure 6A, arbitrary host socket 42 plugged multicore cable plug 53, the SS switch 43 of this socket is just connected, show that this host socket 42 has connected a handset 2, have several SS switch connections just to show that main frame 1 has connected several handsets 2, but SS switch 43 itself there is no and is electrically connected with multicore cable 3 and handset 2.Control program is solidificated in the program storage 27256, when the signal of outdoor temperature, humidity, SS switch 43 through data selector 74LS152 gather and storage after, carry out intelligent decision and reasoning calculation and output control signals to analog line driver MC1413 through CPU from its P1 mouth, 8155PA mouth and PB mouth, the adhesive of control relay K1 ~ K22 or release again, thereby the on-off of the multiple compressors of corresponding main control system 1 and handset 2, blower fan, solenoid valve makes the indoor state that reaches automatically and maintain the most comfortable.

The also available A/D change-over circuit commonly used of digital sensing transmission circuit TO, TI among above-mentioned Figure 17 and SHD replaces, and the analog signal conversion of autobiography sensor RTO, RTI, RSH becomes data signal to deliver to data selector 74LS152 in the future.

Two new wind air draft blower fan 16 top gears are controlled with relay K 4 in the host implementation example 1, and low or first gear is controlled with relay K 5, condenser fan motor 11 and 2 controls of same relay K of evaporator fan motor 13 usefulness.Handset 2 internal circuit schematic diagrams as shown in figure 15, wherein the inlet wire of compressor 6 is connected on the binding post of same position in the handset socket 44 of handset casing 19 both sides, in the main frame 1 with relay K 9, K13, K17 or K21 control.The electric power incoming line of handset 2 condenser fan motors, 11 top gears and evaporator fan motor 13 low or first gears is connected on the same binding post of handset 2 refrigeration side handset sockets 44, and handset condenser fan motor 11 low or first gears and the electric power incoming line of evaporator fan motor 13 top gears are connected to handset 2 and heat on the corresponding same binding post of side handset socket 44, therefore freeze or handset 2 condenser fan motors 11 and evaporator fan motor 13 are actually with the same relay K 10 in the main frame 1, K14, K18 or K22 control when heating.Handset 2 heats defrost in addition in the side handset socket 44 magnetic valve 39 binding posts and capillary and closes magnetic valve 40 binding posts, because two capillaries are closed magnetic valve 40 and always one are opened one and close, so a relay K 8 of their shared main frames 1, K12, K16, K20 control, another relay K 7 of defrosting magnetic valve 39 usefulness main frames 1, K11, K15, K19 control, handset 2 side handset socket 44 binding post corresponding with heating 44 two magnetic valve binding posts of side handset socket that freeze is then unsettled.Main frame 1 also has relay K 1 a main control system compressor 6 in addition, and relay K 3 main control systems are swept wind-powered electricity generation machine (not drawing in the main machine structure schematic diagram) and relay K 5 main control system PTC auxiliary electro-heat elements 32.

From Figure 18 and Figure 20, can see, main frame 1 is by compressor 6, condenser 7, evaporimeter 8, capillary 9, condenser fan 10, condenser fan motor 11, evaporator fan 12, evaporator fan motor 13, chassis 14, air-air heat exchanger 15, blower fan 16, vaporizer side panel 17, condenser side panel 18, shell 19, movable handle 20, Rubber shock-absorbing pad 21, reservoir 22, muffler 23, device for drying and filtering 24, evaporimeter drip tray 25, aqueduct 26, water-cooled cap 27, auxiliary electro-heat element 32, compositions such as screen pack 41 and thermal insulation layer 50, wherein compressor 6 and air-air heat exchanger 15 are directly installed on the chassis 14.Air-air heat exchanger 15 adopts heat-exchangers of the plate type, outer " recessed " font that forms, new wind air inlet 28 is located at bottom, air-air heat exchanger 15 outsides, indoor exhaust wind air inlet 29 is located at bottom, air-air heat exchanger 15 indoors, new wind air outlet 30 and air draft air outlet 31 all are provided with up, and new wind air draft blower fan was located in new wind air outlet 30 and the air draft air outlet 31 in 16 minutes.Thermal insulation layer 50 is separated into indoor unit and outdoor unit two parts to main frame 1 inside, wherein evaporimeter 8, evaporator fan 12, evaporator fan motor 13, new wind air outlet 30, air draft air inlet 29 are positioned at indoor unit, and compressor 6, condenser 7, condenser fan 10, condenser fan motor 11, new wind air inlet 28, air draft air outlet 31 are positioned at outdoor unit.Evaporimeter air inlet 35 is located at the middle and lower part of vaporizer side panel 17, evaporimeter air outlet 36 is located at the top of vaporizer side panel 17, condenser air inlet 37 is located at the middle and lower part of condenser side panel 18, condenser air outlet 38 is located at the top of condenser side panel 18, be close to evaporimeter air inlet 35 inboards and condenser air inlet 37 inboards and all be abound with screen pack 41, in order to unpick and wash screen pack 41 convenience, the bottom of main frame 1 and handset 2 both sides panels all is provided with a slit, shown in Fig. 8 A, after splitting out, main frame 1 or handset 2 just can from the slit, bottom, pull out cleaning from built-in fitting 4 is installed with little hook to the screen pack 41 on two sides.Condenser 7 and evaporimeter 8 are respectively near condenser side panel 18 and vaporizer side panel 17 installed inside, its bottom is higher than air draft air outlet 31 and new wind air outlet 30 tops respectively, and condenser 7 and evaporimeter 8 tops then are higher than condenser air outlet 38 and evaporimeter air outlet 36 respectively.Under the situation of blower fan 16 runnings, the new wind that enters from condenser air inlet 37 enters new wind air inlet 28 through screen pack 41 filtration back parts, another part then directly and condenser 7 carry out heat exchange, the indoor return air that enters from evaporimeter air inlet 35 filters back parts through filter screen 41 and enters air draft air inlet 29, another part directly and evaporimeter 8 carry out heat exchange; The outdoor new wind that enters new wind air inlet 28 carries out entering evaporator fan 12 and condenser fan 10 respectively after the sufficient heat exchange in air-air heat exchanger 15 with the indoor exhaust wind that enters air draft air inlet 29, carry out the secondary heat exchange with evaporimeter 8 and condenser 7 respectively more separately with after process evaporimeter 8 and condenser 7 first heat-exchanged air are mixed, to increase the heat transfer temperature difference of evaporimeter 8 and condenser 7 both sides.Be in limited space, to increase the width of evaporator fan 12 and condenser fan 10 as far as possible simultaneously to increase fan delivery, evaporator fan motor 13 and condenser fan motor 11 all adopt asynchronous motor of outer rotor, are installed in respectively in the inlet scoop of evaporator fan 12 and condenser fan 10.

Be provided with one does not fire with absorbent ventilate or water-cooled cap 27 that nonflammable material is made at compressor 6 tops, evaporimeter drip tray 25 bottoms have an aqueduct 26 to be connected on the water-cooled cap 27, be filled with absorbent material in the aqueduct 26 continuously, condensate water in the evaporimeter drip tray 25 is drawn on the water-cooled cap 27 at compressor 6 tops by the absorbent material in the aqueduct 26, infiltration through water-cooled cap 27, condensate water is evenly distributed to compressor 6 tops, by the evaporation of water heat absorption of condensing, make compressor 6 be equivalent to adopt the mode of half water-cooled, to improve refrigerating efficiency, also solved the emission problem of condensate water simultaneously.

Be provided with two slat gum beams 21 in main frame and handset shell 19 outsides and 14 bottom sides, chassis in addition, the position is respectively near indoor and outside, and forms closed loop, to alleviate unit vibrations and isolating chamber external noise.Host socket 42 on the host housing 19 and the handset socket 44 on the handset shell 19 are recess, and the top is lower than shell 19 outer surfaces.Shell 19 is connected on the chassis 14 by screw 33, and vaporizer side panel 17 and condenser side panel 18 are connected on shell 19 and the chassis 14 with screw 33 again.

The main common ground of host implementation example 1 and handset embodiment 1 is that appearance and size is identical, can adopt identical installation built-in fitting 4, and the main distinction is that handset 2 does not contain control circuit, air-air heat exchanger 15 and display floater 34.Because handset 2 has more interior space than main frame 1 under identical appearance and size, so the specification of handset 2 whole refrigeration systems is greater than main frame 1, comprise compressor 6, condenser fan 10, evaporator fan 12, condenser 7, evaporimeter 8 etc., defrosting magnetic valve 39 more than handset 2 refrigeration systems in addition, two capillary control magnetic valves 40, one heats capillary 9 and corresponding connecting line thereof, handset 2 two sides all are provided with movable handle 20 simultaneously, so handset 2 all has handle slit 52 at the two ends of vaporizer side panel 17 and condenser side panel 18, and main frame 1 only is provided with two movable handles 20 in the indoor, so main frame 1 has only the two ends of vaporizer side panel 17 to have handle slit 52.The activity handle 20 of handset 2 and main frame 1 all is to limit it by the activity handle sliding sleeve 51 that is fixed on casing 19 inboards can only slide in the direction perpendicular to panel, shown in Figure 19 A.

Main frame 1 can not make cooling system, and air-air heat exchanger 15 and blower fan 16 are only established in inside, at this moment can make the bigger resh air requirement of indoor acquisition, as shown in figure 21; Main frame 1 can also not established air-air heat exchanger 15 in addition, sets up refrigeration system, to increase main frame 1 refrigerating capacity.Host computer control circuit and control program all need to do corresponding change in both cases.

In handset embodiment shown in Figure 23 2, evaporimeter 8 and condenser 7 do not stretch in evaporimeter air outlet 36, the condenser air outlet 38, be that evaporimeter 8 and condenser 7 all only carry out a heat exchange with indoor-outdoor air, correspondingly just reduce air loss in the machine, can obtain air supplying distance far away.

The inlet and outlet of handset embodiment 3 shown in Figure 13 is vertical setting, evaporator fan 12 and condenser fan 10 adopt cross flow fan, the exhaust passage then surrounds short narrow camber line shape air channel with thermal insulation layer 50 and spiral case 45, all be provided with the snail tongue 46 of regulating air supply direction at evaporimeter air outlet 36 and condenser air outlet 38 places simultaneously, its plan structure enlarged diagram as shown in figure 14.

Although described several embodiments of the present invention above; but it will be appreciated that; the present invention is not limited to this several embodiment, and those skilled in the art can do various conversion and improvement to the present invention under the situation of spirit of the present invention that does not break away from claims and limited and protection domain.

Claims (3)

1. wall-penetrating type central air-conditioning, it is characterized in that: it is joined 0～4 handset (2) by a main frame (1) and forms, the control system of establishing package unit in the main frame (1), itself be one and contain new wind, the electroheating type wall-penetrating type air-conditioning unit of air draft heat-exchange device, handset (2) is the power expansion module of refrigeration system, every handset (2) all is one does not have the independently wall-penetrating type air-conditioning unit of control circuit and four-way change-over valve, handset (2) condenser fan motor (11) and evaporator fan motor (13) all adopt double-speed motor, and under the high and low rotating speed situation separately air quantity difference all more than one times; One-sided 0～4 host socket (42) that is provided with of main frame (1) shell (19) uses for handset (2), corresponding position, handset (2) shell (19) both sides respectively is provided with a sub-machine transplanting of rice seat (44), is connected by multicore cable (3) between main frame (1) and the handset (2).

2. wall-penetrating type central air-conditioning according to claim 1, it is characterized in that: main frame (1) adopts identical appearance and size with handset (2), they directly are placed in the tubular corresponding with its size and install in the built-in fitting (4), built-in fitting (4) side is installed is provided with terminal box (5), terminal box cover plate (49) one sides link to each other with box body with hinge (47), opposite side adopts snap-fastener (48) to be buckled on the box body, the position of terminal box (5) is just in time relative with the handset socket (44) of main frame (1) or handset (a 2) installation in position aft engine socket (42) or a side, the handset socket (44) of opposite side is also just in time relative with terminal box (5) after ° installation of handset (2) Rotate 180, host socket (42) and handset socket (44) all are recess, and the top all is lower than shell (19) outer surface; Main frame (1) is provided with two movable handles (20) at the indoor panel, and handset (2) respectively is provided with two movable handles (20) at inside and outside both sides panel, and the movable handle of main frame (1) and handset (2) (20) is hidden in unit inside when not using at ordinary times; Main frame (1) and handset (2) all are provided with the Rubber shock-absorbing pads (21) of two formation closed loops respectively near the position of indoor and outside at shell (19).

3. handset according to claim 1 (2), it is characterized in that: its inlet and outlet is vertical setting, evaporator fan (12) and condenser fan (10) adopt cross flow fan, the exhaust passage then uses thermal insulation layer (50) and spiral case (45) to surround short narrow camber line shape air channel, all is provided with the snail tongue (46) of regulating air supply direction at evaporimeter air outlet and condenser air outlet place simultaneously.

Images