CN104879991A - Refrigerator, shunting wind feeding device and control method thereof - Google Patents
Refrigerator, shunting wind feeding device and control method thereof Download PDFInfo
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- CN104879991A CN104879991A CN201510263581.2A CN201510263581A CN104879991A CN 104879991 A CN104879991 A CN 104879991A CN 201510263581 A CN201510263581 A CN 201510263581A CN 104879991 A CN104879991 A CN 104879991A
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- Prior art keywords
- air
- air outlet
- screening
- outlet means
- supply arrangement
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/006—Safety devices
Abstract
The invention relates to a refrigerator, a shunting air feeding device and a control method thereof, and particularly provides the shunting air feeding device. The shunting air feeding device comprises a shell which is provided with an air inlet and multiple air outlets, an air outlet shielding mechanism which can be arranged inside the shell in a pivot mode to control opening and closing of the multiple air outlets and a start location blocking piece which is located at one end of the air outlet shielding mechanism in a rotating range and provides a start reference point of pivoting of the air outlet shielding mechanism. The invention further provides the refrigerator, the refrigerator comprises a refrigerator body, an air flue component and the shunting air feeding device; the shunting air feeding device is arranged in the air flue component, an air inlet of the air flue component is communicated with an air inlet flue of the air flue component, and the multiple air outlets of the shunting air feeding device are communicated with multiple air outlet flues of the air flue component. The invention further provides the control method, the method comprises the steps that the air outlet shielding mechanism is controlled to rotate to the start reference point, an initial opening and closing signal is received, a to-be-rotated angle is received, and the to-be-rotated angle of the pivoting of the air outlet shielding mechanism is controlled.
Description
Technical field
The present invention relates to refrigerating plant, particularly relate to a kind of refrigerator, along separate routes air-supply arrangement and control method thereof.
Background technology
Generally speaking, wind cooling refrigerator produces cold wind by built-in evaporimeter, and cold wind circulates room between each storing to refrigerator by air channel and realizes refrigeration.For wind cooling refrigerator, the fresh keeping property of food largely depends between storing, whether indoor air flow circulation is reasonable.If cold wind flows at random through air channel, easily cause the air quantity entering indoor between each storing too much or not enough, make temperature distributing disproportionation weighing apparatus indoor between storing, the operational efficiency of refrigerator also can reduce.Therefore, be necessary accurately to flow to distribution and flow-control to entering cold wind indoor between each storing.
Similarly, for optimizing memory space, between single storing, room generally can be divided into the storage space of multiple refinement by the shelving unit such as rack or drawer, according to the number of storing articles, cold required for each storage space is also different, and therefore, cold wind does not add and controls ground and directly directly enter between storing indoor from the somewhere of room between storing, part storage space can be caused excessively cold, the problem of part storage space cold deficiency.
Evaporimeter is arranged in an independent accommodating chamber by prior art usually, utilizes complicated ducting system that the accommodating chamber of evaporimeter is communicated in room between each storing.The opening and closing that control device (as MOD) controls the air channel of room between each storing are set in air channel usually, or regulate the air quantity entering indoor between each storing.But this structure is comparatively complicated, and control and regulate the degree of accuracy and precision not high.
Summary of the invention
An object of first aspect present invention is intended to overcome at least one defect of prior art, a kind of shunt air-supply arrangement for refrigerator is provided, it for the air outlet means for screening for controlling air outlet opening and closing provides the beginning point of reference of rotation, thus improves the degree of accuracy and precision that air outlet means for screening rotates by initial stop member.
Another object of first aspect present invention prevents air outlet means for screening from exceeding its predetermined slewing area.
The object of second aspect present invention is to provide a kind of refrigerator.
The object of third aspect present invention is to provide a kind of control method of shunt air-supply arrangement.
According to a first aspect of the invention, the invention provides a kind of shunt air-supply arrangement for refrigerator, comprising:
Housing, has at least one air inlet and multiple air outlet;
Air outlet means for screening, is arranged in described housing pivotly, to control the opening and closing of described multiple air outlet; And
Start bit stop member, is arranged in described housing, and is positioned at an end of the slewing area of described air outlet means for screening, thinks that described air outlet means for screening provides the beginning point of reference of pivotable.
Alternatively, described shunt air-supply arrangement also comprises:
Stop bit stop member, is arranged in described housing, and is positioned at another end of the slewing area of described air outlet means for screening, with the slewing area preventing described air outlet means for screening from exceeding its permission.
Alternatively, described air outlet means for screening comprises:
Shutter, is arranged in described housing around a rotating shaft rotationally, optionally to cover described multiple air outlet; And
Substrate, connects the rotating shaft of described shutter and described shutter.
Alternatively, described start bit stop member and described stop bit stop member to be protruded towards described enclosure interior by the inner surface of described housing and extend, for described substrate along different rotation directions against thereon.
Alternatively, the edge that the diapire of described housing is configured at least its partial continuous is circular arc, and the perisporium of described housing protrudes along the edge of described diapire towards the side of described diapire and extends; And
Described air inlet and described multiple air outlet are opened on the perisporium of described housing.
Alternatively, the circular arc perisporium of at least part of perisporium of described housing to be cross section be circular arc; And
Described substrate-parallel extends in the diapire of described housing, and described shutter is the circular arc shutter coaxially arranged perpendicular to described substrate and with described circular arc perisporium.
Alternatively, described shutter offers air guide hole, the first occlusion part that described shutter is divided into size different by described air guide hole and the second occlusion part.
Alternatively, the opening and closing that described air outlet means for screening is configured to by regulating described air guide hole, the relative position relation of described first occlusion part and described second occlusion part and described multiple air outlet controls described multiple air outlet.
According to a second aspect of the invention, the present invention also provides a kind of refrigerator, comprising:
Casing, is limited with room between at least one storing in it;
Ducting assembly, comprises wind inlet channel and multiple exhaust air flue, and described multiple exhaust air flue is communicated with room between multiple described storing respectively or described multiple exhaust air flue is communicated with multiple air inlets of room between a described storing respectively; With
Arbitrary described shunt air-supply arrangement above; Wherein
Described shunt air-supply arrangement is arranged in described ducting assembly, and at least one air inlet of described shunt air-supply arrangement is communicated with the wind inlet channel of described ducting assembly, multiple air outlets of described shunt air-supply arrangement are communicated with multiple exhaust air flue of described ducting assembly respectively.
According to a third aspect of the invention we, the present invention also provides the control method of more than one arbitrary described shunt air-supply arrangements, comprising:
Receive electrifying startup signal;
The air outlet means for screening controlling described shunt air-supply arrangement rotates, and with the start bit stop member making it be resisted against described shunt air-supply arrangement, and is positioned at its beginning point of reference;
Judge whether the initial opening and closing signal of the multiple air outlet open and/or closed received for controlling described shunt air-supply arrangement;
What the information if so, then comprised according to described initial opening and closing signal calculated that described air outlet means for screening should rotate relative to its beginning point of reference answers gyration;
Control described air outlet means for screening to rotate this by its beginning point of reference and answer gyration.
Alternatively, also comprise after the described air outlet means for screening of control answers gyration described in its beginning point of reference rotates:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust described multiple air outlet;
What the information if so, then comprised according to described process opening and closing signal calculated that described air outlet means for screening should rotate relative to its beginning point of reference answers gyration;
Control described air outlet means for screening and first return its beginning point of reference, then rotate this by beginning point of reference and answer gyration.
Alternatively, also comprise after the described air outlet means for screening of control answers gyration described in its beginning point of reference rotates:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust described multiple air outlet;
What the information if so, then comprised according to described process opening and closing signal calculated that described air outlet means for screening should rotate relative to its current present position answers gyration;
Control described air outlet means for screening directly to rotate this by its current present position and answer gyration.
In refrigerator of the present invention, shunt air-supply arrangement and control method thereof, because shunt air-supply arrangement comprises the start bit stop member of the end being arranged on air outlet means for screening in its housing pivotly and being positioned at air outlet means for screening slewing area, start bit stop member can provide the beginning point of reference of pivotable for air outlet means for screening.Thus, when air outlet means for screening needs pivotable predetermined angular to assigned address, first can be switched to its beginning point of reference place, then be benchmark pivotable predetermined angular with beginning point of reference.When air outlet means for screening pivotable repeatedly after, may cause the accumulation of error, now, air outlet means for screening can be resetted, even if it turns to beginning point of reference place, then be that benchmark carries out pivotable with beginning point of reference.Position due to beginning point of reference is fixing, therefore can ensure accuracy and the accuracy of air outlet means for screening pivotable, thus improves the degree of accuracy and the precision of the rotation of air outlet means for screening.
Further, in refrigerator of the present invention, along separate routes air-supply arrangement and control method thereof, the other end due to the slewing area of air outlet means for screening is provided with stop bit stop member, can when air outlet means for screening pivotable repeatedly produces the accumulation of error later, prevent from it to be rotated further exceeding the slewing area of permission, avoid air-supply arrangement along separate routes to produce and damage.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic structure exploded view of air-supply arrangement along separate routes according to an embodiment of the invention;
Fig. 2 (a) to Fig. 2 (h) is that air-supply arrangement is in the schematic diagram of different adjustment state along separate routes according to an embodiment of the invention;
Fig. 3 is the schematic diagram of positioner according to an embodiment of the invention;
Fig. 4 is that air-supply arrangement is installed on the schematic diagram of ducting assembly along separate routes according to an embodiment of the invention;
Fig. 5 is according to an embodiment of the invention for the control method flow chart of shunt air-supply arrangement;
Fig. 6 is in accordance with another embodiment of the present invention for the control method flow chart of shunt air-supply arrangement;
Fig. 7 is the control method flow chart for shunt air-supply arrangement according to another embodiment of the present invention.
Detailed description of the invention
Fig. 1 is the schematic structure exploded view of air-supply arrangement along separate routes according to an embodiment of the invention.As shown in Figure 1, a kind of shunt air-supply arrangement 10 for refrigerator is embodiments provided.This shunt air-supply arrangement 10 comprises housing, be arranged on air outlet means for screening 14 in housing and start bit stop member 128.Especially, housing has at least one air inlet and multiple air outlet, to make air-flow enter in housing via at least one air inlet, and controllably flows out from multiple air outlet.Air outlet means for screening 14 is arranged in housing pivotly, to control the opening and closing of multiple air outlet.Start bit stop member 128 is positioned at an end of the slewing area of air outlet means for screening 14, thinks that air outlet means for screening 14 provides the beginning point of reference of pivotable.
That is, air outlet means for screening 14 is configured to controllably to cover multiple air outlet, to adjust multiple air outlet air-out area separately, such as, closes certain air outlet, makes its air-out area be zero; Or open certain air outlet, make its air-out area reach maximum; Or make the aperture of certain air outlet be adjusted to 50%, be the half of its maximum air-out area to make its air-out area.Thus, the cold flow flowed into controllably can be dispensed to multiple air outlet from air inlet, the opening and closing of air-out wind path and the adjustment of air-out volume can be realized.
Visible, in the embodiment of the present invention, when air outlet means for screening 14 needs pivotable predetermined angular to assigned address, first can be switched to its beginning point of reference place, then be benchmark pivotable predetermined angular with beginning point of reference.When air outlet means for screening pivotable repeatedly after, may cause the accumulation of error, now, air outlet means for screening 14 can be resetted, even if it turns to beginning point of reference place, then be that benchmark carries out pivotable with beginning point of reference.Position due to beginning point of reference is fixing, therefore can ensure accuracy and the accuracy of air outlet means for screening 14 pivotable, thus improves the degree of accuracy and the precision of the rotation of air outlet means for screening 14.
In some embodiments of the invention, air-supply arrangement 10 also comprises the stop bit stop member 129 be arranged in housing along separate routes, it is positioned at another end of the slewing area of air outlet means for screening 14, with the slewing area preventing air outlet means for screening 14 from exceeding its permission.It will be understood by those skilled in the art that air outlet means for screening 14 pivotable repeatedly after, the accumulation of error that each pivotable produces gets off, the slewing area that air outlet means for screening 14 may be caused to exceed it allow.The setting of stop bit stop member 129, can prevent air outlet means for screening 14 to be rotated further the slewing area exceeding permission when being switched to the end of its slewing area, thus air-supply arrangement 10 along separate routes can be avoided to produce damage.
In some embodiments of the invention, air outlet means for screening 14 can comprise shutter 141 and substrate 143.Shutter 141 is arranged in housing rotationally around a rotating shaft 146, optionally to cover multiple air outlet.Namely shutter 141 can cover one or more air outlet, or to cover in multiple air outlet the part air-out region of certain or some air outlets.Substrate 143 connects shutter 141 and rotating shaft 146,146 rotates around the shaft to make shutter 141.It will be understood by those skilled in the art that in other embodiments of the invention, the connector of the other types such as connecting rod can also be adopted to substitute substrate 143, to connect shutter 141 and rotating shaft 146.Such as can a connecting rod be set between the centre of shutter 141 and rotating shaft 146, or a connecting rod is set respectively between the two ends of shutter 141 and rotating shaft 146.
Further, start bit stop member 128 and stop bit stop member 129 can be protruded towards enclosure interior by the inner surface of housing and extend, with substrate 143 along different rotation directions against thereon.Particularly, air outlet means for screening 14 is when being switched to one end of its slewing area along the counter clockwise direction shown in Fig. 1, a side of substrate 143 can be resisted against on start bit stop member 128, with the beginning point of reference making air outlet means for screening 14 be positioned at its pivotable.Air outlet means for screening 14 is when being switched to the other end of its slewing area along the clockwise direction shown in Fig. 1, and another side of substrate 143 can be resisted against on stop bit stop member 129, the slewing area allowed to make preventing air outlet means for screening 14 from exceeding it.
In some embodiments of the invention, the edge that the diapire 127 of housing is configured at least its partial continuous is circular arc, the perisporium 121 of housing protrudes along the edge of its diapire towards the side of diapire 127 and extends, and air inlet and multiple air outlet are opened on the perisporium 121 of housing.Further, housing at least part of perisporium 121 for cross section be the circular arc perisporium of circular arc.Particularly, perisporium 121 is that predetermined angular extends with the surface of diapire 127, and preferably, perisporium 121 extends perpendicular to the surface of diapire 127.In embodiments of the present invention, for convenience of processing and fabricating, it is rounded that diapire 127 is preferably its entirety, thus make perisporium 121 for cylindric.
Further, at least one air inlet can comprise the air inlet 122 be arranged on perisporium 121, and multiple air outlet can comprise three air outlets be arranged on perisporium 121, such as the first air outlet 123, second air outlet 124, the 3rd air outlet 125.The large I of three air outlets is identical, also can be different.Particularly, in the embodiment of the present invention, the size of three air outlets is identical, and to be equidistantly spaced apart and arranged in the side relative with air inlet 122 of perisporium 121.
In some embodiments of the invention, the diapire 127 that the substrate 143 of air outlet means for screening 14 is parallel to housing extends, and shutter 141 is the circular arc shutter coaxially arranged perpendicular to substrate 143 and with circular arc perisporium.Particularly, rotating shaft 146 can be fixed on the geometric center of diapire 127, and substrate 143 can be the fanning strip connecting shutter 141 and rotating shaft 146.Thus, air outlet means for screening 14 around the shaft 146 rotate time, the outer surface of shutter 141 all the time sealing paste is attached to the inner surface of perisporium 121, can controllably open or close different air outlets at shutter 141 at different angle positions.
Further, shutter 141 offers air guide hole 141b, with the multiple air outlets allowing the air-flow that enters from the air inlet 122 of housing to be flowed to housing by it.The first occlusion part 141a that shutter 141 is divided into size different by air guide hole 141b and the second occlusion part 141c, to make larger-size first occlusion part 141a can cover two air outlets simultaneously, the second occlusion part 141c making size less can only cover an air outlet.Particularly, shutter 141 can be divided into four isometric sections along its circumferential direction, air guide hole 141b can be opened on one of them centre portion of shutter 141.
It will be understood by those skilled in the art that, in other embodiments of the present invention, shutter 141 also can offer plural air guide hole, and shutter 141 can be divided into measure-alike multiple occlusion part or the different multiple occlusion parts of size by this plural air guide hole.In other embodiments of the present invention, air guide hole 141b also can be arranged on the centre of shutter 141, shutter 141 to be divided into two measure-alike occlusion parts.
In some embodiments of the invention, housing can comprise drain pan 12 and top cover 16, and wherein, drain pan 12 can be the semiclosed tubular shell with diapire and perisporium, and top cover 16 can be and matches with the cover plate of the upper opening of closed drain pan 12 with the size of drain pan 12.Start bit stop member 128 and stop bit stop member 129 can be arranged on the diapire 127 of drain pan 12.
In some embodiments of the invention, the relative position relation of multiple air outlets that air outlet means for screening 14 is configured to by regulating air guide hole 141b, the first occlusion part 141a and the second occlusion part 141c and housing controls the opening and closing of multiple air outlet.
Fig. 2 (a) to Fig. 2 (h) is that air-supply arrangement 10 is in the schematic diagram of different adjustment state along separate routes according to an embodiment of the invention.
Particularly, in Fig. 2 (a), air outlet means for screening 14 is positioned at its beginning point of reference place, and that is, a side of the substrate 143 of air outlet means for screening 14 is resisted against start bit stop post 128.This state can be the nought state of along separate routes air-supply arrangement 10, init state or the state after resetting.That is, when shunt air-supply arrangement 10 powers on, receive initializing signal after or after receiving reset signal, no matter air outlet means for screening 14 is current is in for which kind of state, all will will turn to its beginning point of reference place.In this condition, air guide hole 141b can be closed by the perisporium 121 of housing, and air outlet means for screening 14 can not cover any air outlet.
State shown in Fig. 2 (b) to Fig. 2 (h) is all make air outlet means for screening 14 turn to the state behind relevant position after air-supply arrangement 10 receives certain opening and closing signal along separate routes.
Further, as shown in Fig. 2 (b), air outlet means for screening 14 rotates predetermined angular along clockwise direction, its second occlusion part 141c is made to cover the first air outlet 123, to close the first air outlet 123, second air outlet 124 and the 3rd air outlet 125 are positioned at the outside of shutter 141 simultaneously, all to open the second air outlet 124 and the 3rd air outlet 125.As shown in Fig. 2 (c), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, makes its second occlusion part 141c cover the second air outlet 124, to close the second air outlet 124.Meanwhile, air guide hole 141b aims at the outside that the first air outlet the 123, three air outlet 125 is positioned at shutter 141, all to open the first air outlet 123 and the 3rd air outlet 125.As shown in Fig. 2 (d), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, its first occlusion part 141a is made to cover the first air outlet 123, its second occlusion part 141c is made to cover the 3rd air outlet 125, to close the first air outlet 123 and the 3rd air outlet 125, air guide hole 141b aims at the second air outlet 124, all to open the second air outlet 124 simultaneously.As shown in Fig. 2 (e), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, its first occlusion part 141a is made to cover the first air outlet 123 and the second air outlet 124, to close the first air outlet 123 and the second air outlet 124, air guide hole 141b aims at the 3rd air outlet 125 simultaneously, all to open the 3rd air outlet 125.As shown in Fig. 2 (f), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, its first occlusion part 141a is made to cover the second air outlet 124 and the 3rd air outlet 125, to close the second air outlet 124 and the 3rd air outlet 125, first air outlet 123 is positioned at the outside of shutter 141 simultaneously, all to open the first air outlet 123.As shown in Fig. 2 (g), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, its first occlusion part 141a is made to cover the 3rd air outlet 125, to close the 3rd air outlet 125, first air outlet 123 and the second air outlet 124 are positioned at the outside of shutter 141 simultaneously, all to open the first air outlet 123 and the second air outlet 124.As shown in Fig. 2 (h), air outlet means for screening 14 is rotated further predetermined angular along clockwise direction, makes its first air outlet 123, second air outlet 124 and the 3rd air outlet 125 all be positioned at the outside of shutter 141, all to open three air outlets.Now, another side of substrate 143 can be resisted against stop bit stop post 129, is rotated further to prevent air outlet means for screening 14.
In addition, be difficult to be noticed by those skilled in the art or found out that, one end of the center of rotation (i.e. rotating shaft 146) of substrate 143 is arranged on due to shutter 141, in its rotation process, easily produce offset torque, this offset torque may cause air outlet means for screening 14 generation to rock with transposition inaccurate.Therefore, in some embodiments of the invention, as shown in Figure 1, air-supply arrangement 10 also comprises the balancing weight 144 be arranged on substrate 143 along separate routes.Balancing weight 144 and shutter 141 lay respectively at the relative both sides of rotating shaft 146.Thus, the center of rotation of substrate 143 can between balancing weight 144 and shutter 141, to strengthen the dynamic equilibrium that air outlet means for screening 14 rotates.
In some embodiments of the invention, air-supply arrangement 10 can also comprise a drive unit (not shown), to drive air outlet means for screening 14 pivotable in housing along separate routes.Particularly, this drive unit is preferably DC stepper motor.With reference to figure 1, the rotating shaft 18 of DC stepper motor from bottom to top can penetrate diapire 127 and stretch in housing, and through the rotating shaft of substrate 143 to be connected with the substrate 143 of air outlet means for screening 14, thus drive substrate 143 to rotate.
Further, because stepper motor exists the problem that backlash rocks, rock to weaken this pivotable precision of air outlet means for screening 14 is impacted, flexible member (not shown) is also provided with between air outlet means for screening 14 and housing, to apply the pretightning force contrary with this this rotation direction when air outlet means for screening 14 rotates along a certain rotation direction to it, thus reduce air outlet means for screening 14 and produce in pivotable process and rock.Flexible member can be disc spring, clockwork spring, and its one end is connected to the rotating shaft 146 of air outlet means for screening 14, and the other end is connected on the inner surface relative with its diapire 127 of housing, the such as inner surface of top cover 16.
Produce in pivotable process to suppress air outlet means for screening 14 further and rock, in some embodiments of the invention, air-supply arrangement 10 also comprises positioner along separate routes.This positioner comprises at least one detent 154 and alignment pin 152 (with reference to figure 3).At least one detent 154 is arranged on the inner surface of housing, and alignment pin 152 is arranged on the substrate 143 of air outlet means for screening 14 with being axially moveable.In the process of air outlet means for screening 14 pivotable, alignment pin 152 coordinates with at least one detent 154, to be located by air outlet means for screening 14, and prevents it from rocking.
Fig. 3 is the schematic diagram of positioner according to an embodiment of the invention.Composition graphs 1 and Fig. 3, air-supply arrangement 10 can comprise the spaced detent 154 of multiple inner surface in shell bottom wall 127 along separate routes.The plurality of detent 154 is identical apart from the distance of rotating shaft 146 with alignment pin 152 apart from the distance of rotating shaft 146, and multiple detent 154 can be coordinated with alignment pin 152.Multiple detent 154 is spaced along the rotary motion trace of alignment pin 152, and that is, multiple detents 154 are positioned at the inner side of housing perisporium 121, and along the circumferential array at diapire 127 edge.
In some embodiments of the invention, when multiple detent 154 is arranged such that alignment pin 152 coordinates from multiple detent 154 respectively, air outlet means for screening 14 is all in different adjustment state.That is, air outlet means for screening 14 air outlet that open and/or closed is different respectively when multiple detent 154 is arranged such that alignment pin 152 coordinates from multiple detent 154 respectively.In other words, each detent 154 may correspond to each adjustment state of air outlet means for screening 14, and namely the often group of corresponding multiple air outlet opens and closes state.
Further, the spacing between adjacent two detents 154 can be set to identical, also can be set to difference.Spacing between adjacent two detents 154 preferably can be set to identical by the present invention, that is to say that multiple detent 154 is to be equidistantly spaced.The number in the precalculated position of the stop that the quantity of detent 154 can need realizing different occlusion effects according to air outlet means for screening 14 is determined.Particularly, in embodiments of the present invention, air-supply arrangement 10 can comprise 6 detents 154 along separate routes, adjacent two detents 154 are 30 ° with the angle of the line of rotating shaft 146, thus the occlusion state that air outlet means for screening 14 can be realized as Fig. 2 (a) to Fig. 2 (h) changes.
In some embodiments of the invention, composition graphs 1 and Fig. 3, alignment pin 152 is arranged on the side towards diapire 127 of substrate 143.Further, substrate 143 can be provided with protrude from substrate 143 and towards the receiving cavity 158 extended away from the direction of diapire 127.Receiving cavity 158 has the opening towards diapire 127, and alignment pin 152 is contained in receiving cavity 158 by this opening, and one end of alignment pin 152 is exposed to containment portion by this opening, so that coordinate with the detent 154 on diapire 127.
Further, elastomeric element 156 is provided with in receiving cavity 158, its one end is fixed on is protruded on the first fixed bit 1581 of setting by the bottom of receiving cavity 158, and the other end is fixed on protruding on the second fixed bit 1521 of setting on the end face bottom receiving cavity 158 by alignment pin 152.Thus, the elastic deformation of elastomeric element 156 and elastic deformation recovery capability can be utilized to make alignment pin 152 flexible on the axial direction of the diapire 127 perpendicular to housing.
When air outlet means for screening 14 rotates, alignment pin 152 contacts with shell bottom wall 127, and diapire 127 pairs of alignment pins 152 apply towards the active force bottom receiving cavity 158, and alignment pin 152 is retracted in receiving cavity 158.When air outlet means for screening 14 turns to precalculated position, alignment pin 152 is relative with a certain detent 154 on diapire 127, and receiving cavity 158 is stretched out wholly or in part under the elastic deformation restoring force effect of elastomeric element 156, and be installed in this detent 154, to position air outlet means for screening 14.Because the combination of detent 154 with alignment pin 152 can limit the continuation of air outlet means for screening 14 to a certain extent or carry out back rotation, that is to say and avoid rocking of air outlet means for screening 14, therefore, it is possible to improve the service behaviour of air-supply arrangement 10 along separate routes, the noise produced when reducing its work.
Fig. 4 is that air-supply arrangement 10 is installed on the schematic diagram of ducting assembly 20 along separate routes according to an embodiment of the invention.The invention provides a kind of refrigerator (not shown), comprise the casing, ducting assembly 20 and the shunt air-supply arrangement 10 described above that are limited with room between at least one storing.
Ducting assembly 20 comprises wind inlet channel 22 and multiple exhaust air flue, and the plurality of exhaust air flue is communicated with room between multiple storing respectively or multiple exhaust air flue is communicated with multiple air inlets of room between a storing respectively.Air-supply arrangement 10 is arranged in ducting assembly 20 along separate routes, and at least one air inlet of air-supply arrangement 10 is communicated with the wind inlet channel 22 of ducting assembly along separate routes, along separate routes multiple air outlets of air-supply arrangement 10 are communicated with multiple exhaust air flue of ducting assembly respectively, thus control the refrigeration requirement of the different storage space of room between the refrigeration requirement of room between different storing or a storing.
Particularly, multiple exhaust air flue of ducting assembly 20 can be communicated with respectively be opened in refrigerator multiple storings between room (not shown) rear wall on air inlet or be communicated with from the different air inlets on the rear wall of room between the storing being opened in refrigerator, thus the cold wind that evaporimeter (not shown) is produced is delivered to room between each storing, or cold wind more refinement is dispensed in the different storage space gone out by rack or drawer separation of room between a storing.
As shown in Figure 4, air-supply arrangement 10 is arranged in ducting assembly 20 along separate routes, and its air inlet 122 is communicated with wind inlet channel 22, and its multiple air outlet is communicated with multiple exhaust air flue of ducting assembly 20 respectively.Particularly, ducting assembly 20 comprises can three exhaust air flue, are respectively the first exhaust air flue 24, second exhaust air flue 25 and the 3rd exhaust air flue 26.Particularly, in some embodiments, room between three storings that the first exhaust air flue 24, second exhaust air flue 25 and the 3rd exhaust air flue 26 can be communicated with refrigerator respectively, to control the intake of room between three storings.Further, the 3rd exhaust air flue 26 can have three air outlets 26a, 26b and 26c, and it can be communicated to the different storage spaces of room between a storing respectively.
It will be understood by those skilled in the art that, in other embodiments of the present invention, first exhaust air flue 24, second exhaust air flue 25 can be communicated with room between of a refrigerator storing with the two or more exhaust air flue in the 3rd exhaust air flue 26, or each air outlet of the 3rd exhaust air flue 26 be communicated with refrigerator respectively different storings between room.
Fig. 5 is the control method flow chart for shunt air-supply arrangement 10 according to an embodiment of the invention, and this control method comprises:
Receive electrifying startup signal;
The air outlet means for screening 14 controlling air-supply arrangement 10 along separate routes rotates, and with the start bit stop member 128 making it be resisted against air-supply arrangement 10 along separate routes, and is positioned at its beginning point of reference;
Judge whether the initial opening and closing signal of the multiple air outlet open and/or closed received for controlling air-supply arrangement 10 along separate routes;
What the information if so, then comprised according to this initial opening and closing signal calculated that air port means for screening 14 should rotate relative to its beginning point of reference answers gyration;
Control air outlet means for screening 14 rotates this by its beginning point of reference and answers gyration.
Particularly, such as, when shunt air-supply arrangement 10 powers on, air outlet means for screening 14 turns to its beginning point of reference place.When there being initial opening and closing signal to input, such as represent and open the second air outlet 124 and the 3rd air outlet 125 and the initial opening and closing signal of closing the first air outlet 123, then calculate air port means for screening 14 by its beginning point of reference turn to position shown in Fig. 2 (b) required rotate answer gyration, and answer gyration to control the rotation of air outlet means for screening 14 according to this.
Fig. 6 is in accordance with another embodiment of the present invention for the control method flow chart of shunt air-supply arrangement 10.In other embodiments of the present invention, also comprise after control air outlet means for screening 14 answers gyration by the rotation of its beginning point of reference:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust multiple air outlet;
What the information if so, then comprised according to process opening and closing signal calculated that air port means for screening 14 should rotate relative to its beginning point of reference answers gyration;
Control air outlet means for screening 15 and first return its beginning point of reference, then rotate this by beginning point of reference and answer gyration.
That is, when needing the open and-shut mode continuing to regulate multiple air outlet, air outlet means for screening 14 needs to continue to be switched to corresponding position.The state be such as in residing for Fig. 2 (b) when air outlet means for screening 14 is current, when needing the state switched to residing for Fig. 2 (c), can calculate calculate air port means for screening 14 by its beginning point of reference turn to position shown in Fig. 2 (c) required rotate answer gyration, and answer gyration to control air outlet means for screening 14 to be first back to beginning point of reference according to this, then be rotated further this and answer gyration.
Fig. 7 is the control method flow chart for shunt air-supply arrangement 10 according to another embodiment of the present invention.In other embodiment of the present invention, also comprise after control air outlet means for screening 14 answers gyration by the rotation of its beginning point of reference:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust multiple air outlet;
What the information if so, then comprised according to this process opening and closing signal calculated that air port means for screening 14 should rotate relative to its current present position answers gyration;
Control air outlet means for screening 14 directly rotates this by its current present position and answers gyration.
That is, when needing the open and-shut mode continuing to regulate multiple air outlet, air outlet means for screening 14 needs to continue to be switched to corresponding position.Now air outlet means for screening 14 can by its current present position directly rotate answer gyration after to the position of specifying.Position such as shown in Fig. 2 (b) directly turns to the position shown in Fig. 2 (c).
It will be understood by those skilled in the art that, after repeatedly directly rotating, may the accumulation of error be produced, now only need air outlet means for screening 14 to be reset to beginning point of reference, readjust state, to avoid, the accumulation of error is excessive causes air outlet means for screening 14 transposition inaccurate.
It will be understood by those skilled in the art that, above said answer gyration can on the occasion of, also can be negative value, such as when set angle that air outlet means for screening 14 rotates along clockwise direction as on the occasion of time, rotational angle when air outlet means for screening 14 rotates in the counterclockwise direction is negative value.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (12)
1., for a shunt air-supply arrangement for refrigerator, comprising:
Housing, has at least one air inlet and multiple air outlet;
Air outlet means for screening, is arranged in described housing pivotly, to control the opening and closing of described multiple air outlet; And
Start bit stop member, is arranged in described housing, and is positioned at an end of the slewing area of described air outlet means for screening, thinks that described air outlet means for screening provides the beginning point of reference of pivotable.
2. shunt air-supply arrangement according to claim 1, also comprises:
Stop bit stop member, is arranged in described housing, and is positioned at another end of the slewing area of described air outlet means for screening, with the slewing area preventing described air outlet means for screening from exceeding its permission.
3. shunt air-supply arrangement according to claim 2, wherein, described air outlet means for screening comprises:
Shutter, is arranged in described housing around a rotating shaft rotationally, optionally to cover described multiple air outlet; And
Substrate, connects the rotating shaft of described shutter and described shutter.
4. shunt air-supply arrangement according to claim 3, wherein,
Described start bit stop member and described stop bit stop member to be protruded towards described enclosure interior by the inner surface of described housing and extend, for described substrate along different rotation directions against thereon.
5. shunt air-supply arrangement according to claim 3, wherein,
The edge that the diapire of described housing is configured at least its partial continuous is circular arc, and the perisporium of described housing protrudes along the edge of described diapire towards the side of described diapire and extends; And
Described air inlet and described multiple air outlet are opened on the perisporium of described housing.
6. shunt air-supply arrangement according to claim 5, wherein,
The circular arc perisporium of at least part of perisporium of described housing to be cross section be circular arc; And
Described substrate-parallel extends in the diapire of described housing, and described shutter is the circular arc shutter coaxially arranged perpendicular to described substrate and with described circular arc perisporium.
7. shunt air-supply arrangement according to claim 6, wherein,
Described shutter offers air guide hole, the first occlusion part that described shutter is divided into size different by described air guide hole and the second occlusion part.
8. shunt air-supply arrangement according to claim 7, wherein,
The opening and closing that described air outlet means for screening is configured to by regulating described air guide hole, the relative position relation of described first occlusion part and described second occlusion part and described multiple air outlet controls described multiple air outlet.
9. a refrigerator, comprising:
Casing, is limited with room between at least one storing in it;
Ducting assembly, comprises wind inlet channel and multiple exhaust air flue, and described multiple exhaust air flue is communicated with room between multiple described storing respectively or described multiple exhaust air flue is communicated with multiple air inlets of room between a described storing respectively; And
Shunt air-supply arrangement described in any one of claim 1-8; Wherein
Described shunt air-supply arrangement is arranged in described ducting assembly, and at least one air inlet of described shunt air-supply arrangement is communicated with the wind inlet channel of described ducting assembly, multiple air outlets of described shunt air-supply arrangement are communicated with multiple exhaust air flue of described ducting assembly respectively.
10., for a control method for the shunt air-supply arrangement described in any one of claim 1-8, comprising:
Receive electrifying startup signal;
The air outlet means for screening controlling described shunt air-supply arrangement rotates, and with the start bit stop member making it be resisted against described shunt air-supply arrangement, and is positioned at its beginning point of reference;
Judge whether the initial opening and closing signal of the multiple air outlet open and/or closed received for controlling described shunt air-supply arrangement;
What the information if so, then comprised according to described initial opening and closing signal calculated that described air outlet means for screening should rotate relative to its beginning point of reference answers gyration;
Control described air outlet means for screening to rotate this by its beginning point of reference and answer gyration.
11. control methods according to claim 10, wherein,
Also comprise after the described air outlet means for screening of control answers gyration described in its beginning point of reference rotates:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust described multiple air outlet;
What the information if so, then comprised according to described process opening and closing signal calculated that described air outlet means for screening should rotate relative to its beginning point of reference answers gyration;
Control described air outlet means for screening and first return its beginning point of reference, then rotate this by beginning point of reference and answer gyration.
12. control methods according to claim 10, wherein,
Also comprise after the described air outlet means for screening of control answers gyration described in its beginning point of reference rotates:
Judge whether the process opening and closing signal received for continuing the open and/or closed controlling or adjust described multiple air outlet;
What the information if so, then comprised according to described process opening and closing signal calculated that described air outlet means for screening should rotate relative to its current present position answers gyration;
Control described air outlet means for screening directly to rotate this by its current present position and answer gyration.
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| CN201510263581.2A CN104879991B (en) | 2015-05-21 | 2015-05-21 | Refrigerator, branch air-supply arrangement and its control method |
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| CN201510263581.2A CN104879991B (en) | 2015-05-21 | 2015-05-21 | Refrigerator, branch air-supply arrangement and its control method |
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