CN102330316B - A kind of have the double; two washing-drying integral machines drying air inlets in front and back and control method - Google Patents
A kind of have the double; two washing-drying integral machines drying air inlets in front and back and control method Download PDFInfo
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Abstract
The invention discloses a kind of washing-drying integral machines with the double, two drying in front and back air inlets and control method, washing-drying integral machine includes shell, it is located at the urceolus in shell and the inner core being rotatably arranged in urceolus, also include the heat pump for drying medicated clothing, heat pump includes heat pump air inlet and heat pump air outlet, air inlet and post-drying air inlet is dried before being respectively equipped with above urceolus front and rear, urceolus front upper is additionally provided with drying air outlet, dry air outlet to be connected by wind inlet channel with heat pump air inlet, heat pump air outlet is connected with post-drying air inlet by supply air duct, it is provided with the second air channel between front drying air inlet and supply air duct, second air channel is close to outer drum outer wall and urceolus and is formed in one structure, control heat pump air outlet by switching mechanism to communicate with front drying air inlet and/or post-drying air inlet. washing-drying integral machine simple in construction of the present invention, it is possible to air intake before and after controlling, has raising drying efficiency, strengthens drying effect so that the comparatively uniform feature of drying.
Description
Technical field
The present invention relates to a kind of clothes washer-dryer and control method, especially a kind of have the double; two drum type washing drying integral machines drying air inlets and intake air way in front and back and control method.
Background technology
For, in the drier of clothes washer-dryer, generating the device adding hot-air and adopt the mode of heating being added hot-air by heater. In order to reduce energy consumption, have developed heat pump clothes dryer successively, use heat pump, strengthen recycling heat. Existing drum type washing drying integral machine, generally adds heat pipe drying mode and only above dries air inlet, and heat pump drying mode only has latter one to dry air inlet.
Specifically, existing heat-pump-type clothes drying device is provided with following air circulation duct: the hot-air that adds being carried out heating by the condenser in heat pump circulating system is admitted to equipped with in the hothouse of medicated clothing by circulation canal by cylinder rear portion air inlet, from medicated clothing, capture the moisture absorption air of moisture be sent back to vaporizer by anterior air outlet and dehumidify, air after dehumidifying is heated by condenser again, and sends in hothouse.
Application number be 200610153406.9 Chinese patent disclose a kind of clothes washer-dryer, specifically the heat pump of a kind of drying air that generation can be made to circulate between hothouse and heat pump realizes the clothes drying device of stable operation. Wherein, the air being carried out heating by the heater in heat pump is sent into as in the steel ladle of hothouse by rear portion, after the air through filter unit that steel ladle front portion is discharged, return to heat pump, heat extractor after dehumidifying, deliver to heater again, form air circulation duct.
Application number be 200610146442.2 Chinese patent disclose and a kind of adopt heat pump as the washing machine drier of thermal source, specifically, air is heated by the thermal source referring to a kind of condenser utilized in heat pump, utilize the vaporizer in system as dehumidifying low-temperature receiver, the device that medicated clothing is dried, the rear side of the outer barrel of described washing machine is provided with hot-wind inlet, the outer barrel front end of cylinder arranges hot-blast outlet, an air channel connection hot-wind inlet is had at hot-blast outlet, air channel near hot-blast outlet placed vaporizer, air channel is arranged a set of near hot-wind inlet.
Above-mentioned clothes washer-dryer structure, is all provided only with one and dries air inlet, in clothes drying process, fast near the cloth drying speed of air inlet, but because of long-time place at relatively high temperatures, after drying, shrink degree is big; Medicated clothing temperature away from air inlet is low, and rate of drying is slow, it is not easy to dry, the medicated clothing that particularly single weight is high, it is easy to the situation that internal dryness level is uneven occur. The drying effect that impact is overall.
In view of this special proposition present invention.
Summary of the invention
The technical problem to be solved in the present invention is in that to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, can improve double; two washing-drying integral machines drying air inlets before and after the having of drying efficiency.
Another object of the present invention is to provide this washing-drying integral machine by drying air inlet air inlet mode before and after controlling to improve the control method of drying efficiency.
For solving above-mentioned technical problem, the present invention adopts the basic conception of technical scheme to be: a kind of have before and after double, two washing-drying integral machines drying air inlets, including shell, it is located at the urceolus in shell and the inner core being rotatably arranged in urceolus, also include the heat pump for drying medicated clothing, described heat pump includes heat pump air inlet and heat pump air outlet, air inlet and post-drying air inlet is dried before being respectively equipped with above urceolus front and rear, urceolus front upper is additionally provided with drying air outlet, dry air outlet to be connected by wind inlet channel with heat pump air inlet, heat pump air outlet is connected with post-drying air inlet by supply air duct, it is provided with the second air channel between front drying air inlet and supply air duct, second air channel is close to outer drum outer wall and urceolus and is formed in one structure, control heat pump air outlet by switching mechanism to communicate with front drying air inlet and/or post-drying air inlet.
Described supply air duct includes a wind path and being connected with heat pump air outlet and is arranged on the rear air inlet pipeline that urceolus rear portion is connected with post-drying air inlet, second air channel connects with rear air inlet pipeline, described switching mechanism is located at the position that the second air channel is connected with rear air inlet pipeline, including motor and deep bead, rotated by driven by motor deep bead to control hot blast by front drying air inlet and/or post-drying air inlet air intake.
The anterior input port perisporium of described urceolus is provided with window pad, and front drying air inlet is located at the oblique upper of window pad, and the second front end, air channel is tightly connected with front drying air inlet downwards, and rear end is tightly connected with supply air duct downwards, and the second air channel is " " shape structure generally.
One end of described rear air inlet pipeline is one be bent upwards the dog leg piping structure to topmost along edge, side, urceolus rear portion radian, rear air inlet pipeline air outlet is in the lower section of topmost, direction is towards the post-drying air inlet at urceolus rear portion, corresponding and post-drying air inlet is tightly connected, and the other end is connected with wind path.
The barrier rib within air inlet pipeline after preventing water and/or foam from being entered it is provided with by rear air inlet pipeline air outlet in described rear air inlet pipeline air outlet, one it is provided with by backward front downward-sloping ramp structure corresponding to air outlet in air outlet, described post-drying air inlet, by backward front downward-sloping setting, meets: the centrage of post-drying air inlet extends to interior nozzle and sequentially passes through inner core center and inner core forward flange lower limb.
Described switching mechanism is two air door structures, is respectively arranged in forward and backward drying air inlet, and described air door structure is existing be located at refrigerator air duct air outlet or air-conditioning panel air outlet place by opening and closing different angles to adjust the structure of tuyere air volume.
Washing-drying integral machine of the present invention adopts heat pump clothes-drying, heat pump includes compressor, condenser, throttling arrangement and vaporizer, successively compressor, condenser, throttling arrangement, vaporizer are connected to form blood circulation to compressor again by refrigerant circulation pipe, structure is integrated by upper and lower cover plate with heat pump air inlet, heat pump air outlet, being sequentially provided with wind deflector, vaporizer, condenser and breeze fan between heat pump air inlet and heat pump air outlet and form wind path, compressor is enclosed in confined space by upper and lower cover plate.
The compressor of heat pump of the present invention is in the confined space that upper and lower cover plates is formed, and this structure avoids heat to be dispersed in external environment by compressor case by maximized, and heat discharges being concentrated in the condenser in order to heat to dry wind. When compressor load input electric power is constant, the energy that make use of of greater efficiency is dried.
The vaporizer and the condenser that are parallel to fin are respectively arranged at two ends with side plate and vaporizer and condenser are fixed as one, and biside plate coordinates one section of wind path of composition with upper and lower cover plate, humid air after hot-air and wet clothes heat exchange is through cool-down dehumidification behind the gap fin between two of vaporizer, what be then passed through condenser is heated to be dry hot-air, circulating-heating medicated clothing between two between fin.
The spacing of fin of described vaporizer more than the spacing of fin of condenser so that air intake is by being staggered to form turbulent flow during space between fin; The sheet spacing difference of the spacing of fin of described vaporizer and condenser wing is 0.1-0.5mm, it is preferable that the spacing of fin of vaporizer is 1.4mm, and the spacing of fin of condenser is 1.2mm. What utilize vaporizer and condenser fin spacing is staggered to form turbulent wind to play heat-transfer effect more preferably; The heat loss through radiation of compressor case is reduced to minimum simultaneously, the energy can be saved, drying time can be shortened again, be greatly improved the life-span of heat pump drying system.
Post-drying air inlet periphery between urceolus posterior medial and inner core rear outside is provided with and stops the wind shielding structure drying air intake in inner/outer tube rear portion radial diffusion. This wind shielding structure is be respectively arranged on urceolus posterior medial and inner core rear outside multiple block reinforcements along the circumferential direction, and block reinforcement is all in the periphery of post-drying air inlet, and block reinforcement radius difference makes the staggered coincidence of adjacent block reinforcement of urceolus posterior medial and inner core rear outside.
Preferably, described urceolus posterior medial is provided with two block reinforcements, forms annular groove between two block reinforcements; The described corner bracket that inner core rear outside is booster action, on corner bracket, two block reinforcements of corresponding urceolus posterior medial also are provided with two block reinforcements, also annular groove is formed between inner core rear outside two block reinforcement, urceolus posterior medial and inner core rear outside have the annular groove position that a block reinforcement is inserted between two block reinforcements of the other side respectively, staggered intersection d is less than the degree of depth of annular groove, and d is 15-20mm.
Or, wind shielding structure is be located at an inner core rear outside circle circumferentially at least resistant to the felt of 90 DEG C of high temperature, or the position at urceolus posterior medial correspondence inner core rear portion is located at by described felt.
Between urceolus posterior medial and inner core rear outside, it is provided with wind shielding structure, makes the hot blast at rear portion between inner/outer tube will not be lost to immediately in inner/outer tube gap radially, relatively add the heat entering inner core, reduce scattering and disappearing of heat.
The control method of the above-mentioned washing-drying integral machine of the present invention is that clothes drying process includes at least two baking stage, wherein starts as the first stage, by the stage of post-drying air inlet air intake drying, is second stage afterwards, by the stage of front drying air inlet air intake drying.
Clothes drying process also includes the phase III, and for simultaneously by the stage of forward and backward drying air inlet air intake drying, this stage performs between first stage and second stage, or after second stage.
Clothes drying process also includes phase III by forward and backward drying air inlet air intake drying simultaneously, clothes drying process controls hot blast in first stage and second stage by switching mechanism, or in first stage and phase III, or, the first stage, second stage and between the phase III repeatedly repeat switching.
Baking stage in the following manner in one or more combinations judge: estimate the ratio �� of drying time under different loadsi, turnover the cylinder temperature difference change �� T, according to dry clothes weight change �� G, inlet and outlet wind pressure difference �� P, the parameter alpha in above-mentioned decision procedurei, �� T, �� G, �� P default in washing-drying integral machine, the difference according to load weight and/or load material and/or washing-drying integral machine model, setting value is also different, and wherein, i is the number of stages in each stage in clothes drying process, �� ��i=1; The change �� T of the turnover cylinder temperature difference is the change of the air inlet temperature difference in drying course urceolus, or is the change of the air outlet place temperature difference in urceolus, then or is the change of inlet temperature and leaving air temp difference.
After adopting technique scheme, the present invention compared with prior art has the advantages that.
Washing-drying integral machine of the present invention, on the basis of existing heat pump washing-drying integral machine, adds the second intake air way and front drying air inlet, by the mode of air intake before and after controlling, enhances drying effect so that drying is comparatively uniform; Additionally by air intake drying before and after stage, also shorten drying time.
Owing to outer drum outer wall integrated formed structure is close in the second air channel, the second air channel is made to reduce half with extraneous contact area, therefore when with the use of the second air channel, reduce the area in the second air channel and extraneous exchange, reduce drying hot blast heat consumption in wind path. When using the second air channel as drying air path, heat of high temperature, in flow process, is blown to the medicated clothing at inner core rear portion by drying air inlet before urceolus, enhances drying even results by hot blast.
The present invention, for the inclined design of post-drying air inlet, extends hot blast route in inner core, also relatively adds area and the time of hot blast and medicated clothing heat exchange.
Experiments show that, adopt washing-drying integral machine of the present invention, according to different loads, it is possible to save the time of 20%-50%, particularly with when drying 4 kilograms of load medicated clothings, different according to dress material, it is possible to save 30-60 minute time; Test proves that, the above-mentioned improvement of the present invention can improve the drying efficiency of 30%-50%.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is washing-drying integral machine clothes drying structure schematic diagram of the present invention;
Fig. 2 is washing-drying integral machine clothes drying structure other direction schematic diagram of the present invention;
Fig. 3 is heat pump structural representation of the present invention;
Fig. 4 is heat pump vaporizer of the present invention and condenser structure schematic diagram;
Fig. 5 is post-drying air inlet structure schematic diagram of the present invention;
Fig. 6 is washing-drying integral machine first stage wind direction schematic diagram of the present invention;
Fig. 7 is washing-drying integral machine second stage wind direction schematic diagram of the present invention.
Detailed description of the invention
As shown in Figures 1 to 7, washing-drying integral machine of the present invention, including shell, it is located at the urceolus 1 in shell and the inner core 3 being rotatably arranged in urceolus, also include the heat pump 4 for drying medicated clothing, described heat pump 4 includes heat pump air inlet 40 and heat pump air outlet 41, air inlet 10 and post-drying air inlet 11 is dried before being respectively equipped with above urceolus 1 front and rear, urceolus 1 front upper is additionally provided with drying air outlet 12, dry air outlet 12 to be connected by wind inlet channel 5 with heat pump air inlet 40, heat pump air outlet 41 is connected with post-drying air inlet 11 by supply air duct 6, the second air channel 7 it is provided with between front drying air inlet 10 and supply air duct 6, second air channel 7 is close to urceolus 1 outer wall and urceolus 1 and is formed in one structure, control heat pump air outlet 41 by switching mechanism 2 to communicate with front drying air inlet 10 and/or post-drying air inlet 11.
Supply air duct 6 includes a wind path 61 and being connected with heat pump air outlet 41 and is arranged on the rear air inlet pipeline 62 that urceolus 1 rear portion is connected with post-drying air inlet 11, second air channel 7 connects with rear air inlet pipeline 62, described switching mechanism 2 is located at the position that the second air channel 7 is connected with rear air inlet pipeline 62, including motor 21 and deep bead 22, deep bead 22 is driven to rotate to control hot blast by front drying air inlet 10 and/or post-drying air inlet 11 air intake by motor 21.
The anterior input port perisporium of described urceolus 1 is provided with window pad 13, front drying air inlet 10 is located at the oblique upper of window pad 13, it is significantly larger than the position of water level, second air channel 7 generally " " shape structure, be equivalent to be buckled in along front and back on urceolus 1 the same, second front end, air channel 7 is tightly connected with front drying air inlet 10 downwards, front drying air inlet 10 is towards inner core 3 rear lower, dry air inlet centrage before being preferably and extend to inner core lower rear and inner core circumferential wall intersection, second rear end, air channel 7 is tightly connected with supply air duct 6 downwards, both can connect with wind path 61, can also connect with rear air inlet pipeline 62, connectivity part is three-port structure, switching mechanism is located at threeway intersection, motor 21 is motor, motor rotates control deep bead 22 and rotates, it is able to open the rear air inlet pipeline leading to post-drying air inlet and simultaneously closes off the second air channel leading to front drying air inlet, or the second air channel leading to front drying air inlet can be opened and simultaneously close off the rear air inlet pipeline leading to post-drying air inlet, again or control deep bead rotate between position open simultaneously after air inlet pipeline and the second air channel.
One end of described rear air inlet pipeline 62 is one be bent upwards the dog leg piping structure to topmost along edge, side, urceolus 1 rear portion radian, rear air inlet pipeline air outlet is in the lower section of topmost, direction is towards the post-drying air inlet 11 at urceolus rear portion, corresponding and post-drying air inlet 11 is tightly connected, and the other end is connected with wind path 61. The barrier rib within air inlet pipeline after preventing water and/or foam from being entered it is provided with by rear air inlet pipeline air outlet in rear air inlet pipeline air outlet, one it is provided with by backward front downward-sloping ramp structure corresponding to air outlet in air outlet, described post-drying air inlet 11, by backward front downward-sloping setting, meets: the centrage K of post-drying air inlet extends to interior nozzle and sequentially passes through inner core 3 center O and inner core forward flange 30 lower limb.
Or, described switching mechanism is not arranged in supply air duct, but be two air door structures, being respectively arranged in forward and backward drying air inlet, air door structure directly adopts existing is located at refrigerator air duct air outlet or air-conditioning panel air outlet place by opening and closing different angles to adjust the structure (not shown) of tuyere air volume.
As shown in Figure 3 and Figure 4, washing-drying integral machine of the present invention adopts heat pump clothes-drying, heat pump 4 includes compressor 42, condenser 43, throttling arrangement and vaporizer 44, by refrigerant circulation pipe successively by compressor 42, condenser 43, throttling arrangement, vaporizer 44 connects to form blood circulation to compressor 42 again, with heat pump air inlet 40, heat pump air outlet 41 is by upper, lower cover 45, 46 integrate structure, wind deflector 47 it is sequentially provided with between heat pump air inlet 40 and heat pump air outlet 41, vaporizer 44, condenser 43 and breeze fan 48 form wind path, on compressor 42, lower cover 45, 46 are enclosed in confined space. the vaporizer 44 and the condenser 43 that are parallel to fin are respectively arranged at two ends with side plate 49 and vaporizer 44 and condenser 43 are fixed as one, and biside plate 49 coordinates one section of wind path of composition with upper and lower cover plate 45,46, humid air after hot-air and wet clothes heat exchange is through cool-down dehumidification behind the gap fin between two of vaporizer, what be then passed through condenser is heated to be dry hot-air, circulating-heating medicated clothing between two between fin.
The spacing of fin of described vaporizer 44 more than the spacing of fin of condenser 43 so that air intake is by being staggered to form turbulent flow during space between fin; The sheet spacing difference of the spacing of fin of described vaporizer 44 and condenser wing is 0.1-0.5mm, it is preferable that the spacing of fin D of vaporizer is 1.4mm, and the spacing of fin L of condenser 43 is 1.2mm. What utilize vaporizer and condenser fin spacing is staggered to form turbulent wind to play heat-transfer effect more preferably; The heat loss through radiation of compressor case is reduced to minimum simultaneously, the energy can be saved, drying time can be shortened again, be greatly improved the life-span of heat pump drying system.
As shown in Figure 5, inner core 3 is being entered owing to the process of rear air intake needs to be introduced into urceolus 1, in order to prevent between inner/outer tube the hot blast at rear portion will not radial diffusion immediately, the post-drying air inlet periphery between urceolus posterior medial and inner core rear outside is provided with and stops the wind shielding structure 8 drying air intake in inner/outer tube rear portion radial diffusion. This wind shielding structure 8 is be respectively arranged on urceolus posterior medial and inner core rear outside multiple block reinforcements along the circumferential direction, and block reinforcement is all in the periphery of post-drying air inlet, and block reinforcement radius difference makes the staggered coincidence of adjacent block reinforcement of urceolus posterior medial and inner core rear outside.
Specifically, it is provided with two block reinforcements 81 at urceolus posterior medial, between two block reinforcements, forms annular groove 82; The described corner bracket that inner core rear outside is booster action, on corner bracket, two block reinforcements 81 of corresponding urceolus posterior medial also are provided with two block reinforcements 83, also annular groove 84 is formed between inner core rear outside two block reinforcement 83, urceolus posterior medial and inner core rear outside have the annular groove position that a block reinforcement is inserted between two block reinforcements of the other side respectively, staggered intersection d is less than the degree of depth of annular groove, and d is 15-20mm.
Or, wind shielding structure is be located at an inner core rear outside circle circumferentially at least resistant to the felt of 90 DEG C of high temperature, or the position at urceolus posterior medial correspondence inner core rear portion is located at by described felt.
The control method of washing-drying integral machine of the present invention is, clothes drying process includes at least two baking stage, wherein starts as the first stage, by the stage of post-drying air inlet air intake drying, is second stage afterwards, by the stage of front drying air inlet air intake drying.
The first control program for baking stage being divided into two stages, before be the first stage, after be second stage. After drying starts, switching mechanism 2 will open into front the second air channel 7 drying air inlet 10 and closes, drying air and enter urceolus 1 from post-drying air inlet 11, the circulating path drying wind is: breeze fan 48, heat pump air outlet 41, wind path 61, rear air inlet pipeline 62, post-drying air inlet 11, urceolus 1, inner core undergarment, drying air outlet 12, lint filter 9, wind inlet channel 5, heat pump air inlet 40, vaporizer 44, condenser 43, breeze fan 48 (consulting Fig. 6). When system judges to dry entrance second stage, switching mechanism 2 will open into the rear air inlet pipeline 62 of post-drying air inlet 11 and closes, and the second air channel 7 drying air inlet 10 before leading to is opened, and dries air drying air inlet 10 in the past and enters inner core 3. The circulating path drying wind is: breeze fan 48, heat pump air outlet 41, wind path the 61, second air channel 7, the front drying air inlet 10 at washing machine window pad place, inner core undergarment, drying air outlet 12, lint filter 9, wind inlet channel 5, heat pump air inlet 40, vaporizer 44, condenser 43, breeze fan 48 (consulting Fig. 7).
First scheme is that clothes drying process also includes the phase III, for simultaneously by the stage of forward and backward drying air inlet air intake drying, this stage performs between first stage and second stage, or after second stage, now switching mechanism control deep bead stops at the position between rear air inlet pipeline and the second air channel.
The third scheme is changed to the clothes drying process of switching of multiple stage on such scheme basis, hot blast is controlled in first stage and second stage by switching mechanism, or in first stage and phase III, or, the first stage, second stage and between the phase III repeatedly repeat switching.
Above-mentioned baking stage in the following manner in one or more combinations judge: estimate the ratio �� of drying time under different loadsi, turnover the cylinder temperature difference change �� T, according to dry clothes weight change �� G, inlet and outlet wind pressure difference �� P, the parameter alpha in above-mentioned decision procedurei, �� T, �� G, �� P default in washing-drying integral machine, the difference according to load weight and/or load material and/or washing-drying integral machine model, setting value is also different, and wherein, i is the number of stages in each stage in clothes drying process, �� ��i=1; The change �� T of the turnover cylinder temperature difference is the change of the air inlet temperature difference in drying course urceolus, or is the change of the air outlet place temperature difference in urceolus, then or is the change of inlet temperature and leaving air temp difference.
Various decision procedures are respectively as follows:
If to estimate the ratio �� of drying time under different loadsiDivide: the load of Different Weight, the scheduled time T according to program setting, it is assumed that be divided into two baking stages, with ��1T time is for drying the first stage, to remain ��2T time is for drying second stage, ��1+��2=1. More owing to starting the water yield, therefore ��1> ��2, concrete, it is generally ��1=2/3, ��2=1/3. If being divided into three or more stages, then respectively with ��1T����2T����3T, or until it is divided into ��iT, ��1+��2+��3=1, �� ��i=1.
If dividing according to the change �� T of the turnover cylinder temperature difference: dry early stage, drying air and entering outer barrel by post-drying air inlet, the temperature from ambient of into or out cylinder begins to ramp up, and temperature difference �� T is gradually increased, and the medicated clothing at inner core rear portion dries at first. When difference variation �� T to a certain extent time, the medicated clothing at inner core rear portion drying, now, the anterior medicated clothing of inner core also has residual moisture, it is determined that dries and enters the second baking stage. Or, �� T is the change of inlet temperature and the difference of leaving air temp, during beginning, the difference of air inlet/outlet temperature is relatively big, drying with medicated clothing, and in cylinder, temperature raises, the difference of air inlet/outlet temperature diminishes, reach setting value, now the medicated clothing at inner core rear portion drying, it is determined that dry and enter the second baking stage. If also having the 3rd or more multistage, then also according to next baking stage of aforesaid way Predicated execution.
If dividing according to the change �� G drying clothes weight: the moisture content of initial cloth is higher, and weight is G1, adopting the first baking stage, drying course, the moisture content of medicated clothing reduces, and weight step-down is G2, load weight change �� G1=G1-G2, �� G1During be more than or equal to preset value �� G, it is determined that dry and enter the second baking stage, otherwise continue with the first baking stage, until �� G1>=�� G. Assuming to be divided into two baking stages, the moisture content of initial cloth is 60%, and gross weight is 8kg, when load weight is changed to the 80% of gross weight, and load weight change �� G1For 1.6kg, preset value �� G is 1.5kg, then judge to dry entrance the second baking stage. If also having the 3rd or more multistage, then also according to next baking stage of aforesaid way Predicated execution.
If the judgement of baking stage divides with the difference �� P of inlet and outlet wind pressure: dry the initial stage, medicated clothing is because containing moisture content, small volume, later stage is along with the increase of degree of drying, medicated clothing becomes loose, volume increases, and the resistance of the wind entered in Drying can be changed, and before and after therefore, the pressure of phase air inlet/outlet changes.
First baking stage, dry air and enter inner core from post-drying air inlet, because the medicated clothing of Different Weight is different to the resistance of wind, when being judged as the medicated clothing of few weight, medicated clothing is less to the resistance of wind path, and blower fan can not operate with maximum (top) speed, and to meet the rotation speed operation of needs blast, sufficiently large drying air quantity can be obtained, reduce blower fan input power. And when adopting little air quantity to operate, it is possible to reduce the load of compressor, reduce the input power of heat pump further.
When dry enter the second baking stage time, dry air and dry air inlet in the past and enter inner core, owing to wind path length increases, according to the air intake set or go out wind pressure, adjust the rotating speed of blower fan. The mensuration of air inlet/outlet pressure, it is possible to use blast force test device judges; Can also judging according to the input current of blower fan under different clothes weights, according to the clothes weight under automatic Weighing, the predetermined blower fan input current of contrast program carries out blast judgement.
The spirit and scope of the present invention are not defined by the embodiment above, under the premise without departing from design philosophy of the present invention, and the various changes and modifications that in this area, technical scheme is made by professional and technical personnel, belong to protection scope of the present invention.
Claims (10)
1. one kind has the double, two washing-drying integral machines drying air inlets in front and back, including shell, it is located at the urceolus in shell and the inner core being rotatably arranged in urceolus, also include the heat pump for drying medicated clothing, it is characterized in that: described heat pump includes heat pump air inlet and heat pump air outlet, air inlet and post-drying air inlet is dried before being respectively equipped with above urceolus front and rear, urceolus front upper is additionally provided with drying air outlet, dry air outlet to be connected by wind inlet channel with heat pump air inlet, heat pump air outlet is connected with post-drying air inlet by supply air duct, it is provided with the second air channel between front drying air inlet and supply air duct, second air channel is close to outer drum outer wall and urceolus and is formed in one structure, control heat pump air outlet by switching mechanism to communicate with front drying air inlet and/or post-drying air inlet.
2. a kind of washing-drying integral machines with the double; two drying in front and back air inlets according to claim 1, it is characterized in that: described supply air duct includes a wind path and being connected with heat pump air outlet and is arranged on the rear air inlet pipeline that urceolus rear portion is connected with post-drying air inlet, second air channel connects with rear air inlet pipeline, described switching mechanism is located at the position that the second air channel is connected with rear air inlet pipeline, including motor and deep bead, rotated by driven by motor deep bead to control hot blast by front drying air inlet and/or post-drying air inlet air intake.
3. a kind of washing-drying integral machines with the double; two drying in front and back air inlets according to claim 1 and 2, it is characterized in that: the anterior input port perisporium of described urceolus is provided with window pad, front drying air inlet is located at the oblique upper of window pad, second front end, air channel is tightly connected with front drying air inlet downwards, rear end is tightly connected with supply air duct downwards, and the second air channel is " " shape structure generally.
4. a kind of washing-drying integral machines with the double; two drying in front and back air inlets according to claim 2, it is characterized in that: one end of described rear air inlet pipeline is one be bent upwards the dog leg piping structure to topmost along edge, side, urceolus rear portion radian, rear air inlet pipeline air outlet is in the lower section of topmost, direction is towards the post-drying air inlet at urceolus rear portion, corresponding and post-drying air inlet is tightly connected, and the other end is connected with wind path.
5. a kind of washing-drying integral machines with the double; two drying in front and back air inlets according to claim 4, it is characterized in that: in described rear air inlet pipeline air outlet, be provided with the barrier rib within air inlet pipeline after preventing water and/or foam from being entered by rear air inlet pipeline air outlet, one it is provided with by backward front downward-sloping ramp structure corresponding to air outlet in air outlet, described post-drying air inlet, by backward front downward-sloping setting, meets: the centrage of post-drying air inlet extends to interior nozzle and sequentially passes through inner core center and inner core forward flange lower limb.
6. a kind of washing-drying integral machines with the double; two drying in front and back air inlets according to claim 1, it is characterised in that: described switching mechanism is two air door structures, is respectively arranged in forward and backward drying air inlet.
7. one kind as arbitrary in claim 1-6 as described in the control method of washing-drying integral machine, it is characterized in that: clothes drying process includes at least two baking stage, wherein start as the first stage, stage by post-drying air inlet air intake drying, it is second stage afterwards, by the stage of front drying air inlet air intake drying.
8. control method according to claim 7, it is characterized in that: clothes drying process also includes the phase III, for simultaneously by the stage of forward and backward drying air inlet air intake drying, this stage performs between first stage and second stage, or after second stage.
9. control method according to claim 7, it is characterized in that: clothes drying process also includes phase III by forward and backward drying air inlet air intake drying simultaneously, clothes drying process controls hot blast in first stage and second stage by switching mechanism, or in first stage and phase III, or, the first stage, second stage and between the phase III repeatedly repeat switching.
10. according to the arbitrary described control method of claim 7-9, it is characterised in that: baking stage in the following manner in one or more combinations judge: estimate the ratio �� of drying time under different loadsi, turnover the cylinder temperature difference change �� T, according to dry clothes weight change �� G, inlet and outlet wind pressure difference �� P, the parameter alpha in above-mentioned decision procedurei, �� T, �� G, �� P default in washing-drying integral machine, the difference according to load weight and/or load material and/or washing-drying integral machine model, setting value is also different, and wherein, i is the number of stages in each stage in clothes drying process, �� ��i=1; The change �� T of the turnover cylinder temperature difference is the change of the air inlet temperature difference in drying course urceolus, or is the change of the air outlet place temperature difference in urceolus, then or is the change of inlet temperature and leaving air temp difference.
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| CN201110231574.6A CN102330316B (en) | 2011-08-12 | 2011-08-12 | A kind of have the double; two washing-drying integral machines drying air inlets in front and back and control method |
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Effective date of registration: 20160504 Address after: 528100 No. 40, D District, Sanshui Industrial Park, Guangdong, Foshan Applicant after: FOSHAN HAIER DRUM WASHING MACHINE CO., LTD. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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