CN109323523A

CN109323523A - Control method for thawing apparatus

Info

Publication number: CN109323523A
Application number: CN201710643990.4A
Authority: CN
Inventors: 张冰; 陶瑞涛; 王霁昀; 闫茂松; 田红荀
Original assignee: Qingdao Haier Smart Technology R&D Co Ltd
Current assignee: Qingdao Haier Smart Technology R&D Co Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2019-02-12

Abstract

The present invention provides a kind of control methods for thawing apparatus.Thawing apparatus includes the cylinder for defining the defrosting chamber for placing object to be processed, the device door body for the pick-and-place mouth for being opened and closed defrosting chamber being set at the pick-and-place mouth of defrosting chamber, radio frequency generation module and is set at the inner wall of defrosting chamber and the radio-frequency antenna that module is electrically connected occurs with radio frequency.Control method includes determining to thaw to be placed in the optimal defrosting frequency of the indoor object to be processed of defrosting chamber；Radio frequency occurs module and generates the radiofrequency signal that frequency is optimal defrosting frequency；Radio-frequency antenna generates the rf wave of corresponding frequencies, and the object to be processed that thaws according to radiofrequency signal in defrosting chamber.The optimal defrosting frequency that the present invention passes through the determining object to be processed that thaws, and makes radio frequency that module occur and generate the radiofrequency signal of the optimal defrosting frequency of frequency come the object to be processed that thaws, defrosting efficiency is improved, thawing time is shortened, and then improves the convenience of user's defrosting.

Description

Control method for thawing apparatus

Technical field

The present invention relates to defrosting fields, more particularly to a kind of control method for thawing apparatus.

Background technique

Freezing compartment's (compartment temperature of freezing compartment is generally -18 DEG C) of general domestic refrigerator is for storing in a short time not Edible food materials, especially various meats, before the indoor food materials of freezer are deposited in user's culinary art, it usually needs by the food of freezing Material thaws to -5 DEG C or so, meat at such a temperature convenient for cutting, will not because temperature is too low and it is motionless to cut, temperature is excessively high not Meat piece or sliced meat after easily cutting and cut is shapeless.

However in the prior art, air thawing is easy to operate, but thawing time is too long, and food materials surface is oxidized easily, solution Juice loss is serious after jelly；Not only time-consuming for water thawing, but also food materials surface bacterium easy to breed, microorganism in course of defrosting Deng seriously affecting food quality；Heater strip or heating tube are thawed, and heating efficiency is lower and food materials temperature after thawing is uneven It is even；When defreezing by microwave oven food materials based on magnetron technology, since the magnetron as emission source is unable to control the electricity of its transmitting The phase of magnetic wave, directionality is poor, causes food materials internal/external heating uneven, and the food materials internal-external temperature difference that will cause after thawing is excessive, juice Liquid stream is lost excessively, and foodstuff quality is seriously destroyed.Comprehensively consider, needs a kind of high-efficient and temperature of defrosting uniform in design The good control method for thawing apparatus of property.

Summary of the invention

It is an object of the present invention to provide a kind of high-efficient control method for thawing apparatus of thawing.

A further object of the present invention is to more accurately improve defrosting efficiency.

Particularly, the present invention provides a kind of control method for thawing apparatus, the thawing apparatus includes defining The dress of the cylinder of defrosting chamber, the pick-and-place mouth for being opened and closed the defrosting chamber being set at the pick-and-place mouth of the defrosting chamber Door body is set, module occurs for radio frequency and is set at the inner wall of the defrosting chamber and module occurs with the radio frequency and is electrically connected Radio-frequency antenna, wherein the control method includes:

Step A: determine that defrosting is placed in the optimal defrosting frequency of the indoor object to be processed of the defrosting chamber；

Step B: the radio frequency occurs module and generates the radiofrequency signal that frequency is the optimal defrosting frequency；

Step C: the radio-frequency antenna generates the radio frequency of corresponding frequencies according to the radiofrequency signal in the defrosting chamber Wave, and the object to be processed that thaws.

Optionally, the step A includes:

Step A1: module occurs for the radio frequency according to preset first time interval, to be incremented by preset step-length every time from the One predeterminated frequency rises to the second predeterminated frequency；

Step A2: the corresponding rf wave absorptivity of each defrosting frequency in step A1 is calculated；

Step A3: as described in most using the corresponding defrosting frequency of maximum rf wave absorptivity being calculated in step A2 Excellent defrosting frequency.

Optionally, the thawing apparatus further includes that module and the radio-frequency antenna occurs for detecting the connection radio frequency The incidence wave signal of electrical wiring and the detection module of reflection wave signal, wherein

The rf wave absorptivity obtains for the performance number that the performance number of the incidence wave signal subtracts the reflection wave signal The ratio of the power of the difference and the incidence wave signal that arrive.

Optionally, the performance number of the incidence wave signal is a predetermined power value.

Optionally, the predetermined power value is 150~200W.

Optionally, the first time interval is 1~3ms.

Optionally, the preset step-length is 0.5~2KHz.

Optionally, after the step C further include:

Step D: when the step A, which starts the time executed, is more than or equal to preset second time interval, repetition is held The row step A and subsequent step；

When the step A, which starts the time executed, is less than second time interval, the radio frequency occurs module and continues Generate the radiofrequency signal that frequency is current optimal defrosting frequency.

Optionally, second time interval is 20~40 seconds.

Optionally, the thawing apparatus further includes switching for controlling the defrosting of thaw routine start and stop, wherein the control Method further include:

When the defrosting, which switchs, opens, bring into operation the step A and subsequent step；

When the defrosting, which switchs, closes, the step A and subsequent step out of service.

Present inventor creatively has found, with the temperature change of object to be processed, the not only dielectric of object to be processed Coefficient can also change therewith, and the optimal defrosting frequency suitable for the object to be processed that thaws can also change.The present invention passes through determination It thaws the optimal defrosting frequency of object to be processed, and makes radio frequency that the radiofrequency signal that module generates the optimal defrosting frequency of frequency occur Thaw object to be processed, improves defrosting efficiency, shortens thawing time, and then improves the convenience of user's defrosting.

Further, the present invention particularly set 1 for the first time interval in the optimal defrosting frequency procedure of determination~ 3ms, can prevent the time too short result inaccuracy being calculated, and overlong time misses optimal defrosting frequency.Preset step-length setting For 0.5~2KHz, to improve the accuracy of optimal defrosting frequency.

Further, the present invention makes radio frequency that module occur at interval of preset second time interval, carries out a secondary frequencies It adjusts, can targetedly treat processed material in entire course of defrosting and thaw, further increase object to be processed Defrosting efficiency.And particularly by the second time interval can be 20~40 seconds, can prevent due to adjacent twice frequency adjust between Time interval is too short, causes frequency to adjust too frequent, the optimal defrosting of the rear optimal defrosting frequency and previous determination determined Frequency phase-difference is too small even without variation, reduces defrosting efficiency instead, and defrosting effect is made to be deteriorated；Time interval is too long, misses It thaws the optimal defrosting frequency of object to be processed.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.

Detailed description of the invention

Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:

Fig. 1 is the schematic cross sectional views of thawing apparatus according to an embodiment of the invention；

Fig. 2 is the schematic cross sectional views of the mounting means according to an embodiment of the invention about drawer body；

Fig. 3 is the schematic cross sectional views of the mounting means in accordance with another embodiment of the present invention about drawer body；

Fig. 4 is the schematic structure of the cylinder roof according to an embodiment of the invention for being equipped with multiple radio-frequency antennas Figure；

Fig. 5 is the schematic cross sectional views of thawing apparatus in accordance with another embodiment of the present invention；

Fig. 6 is the time-temperature change curve schematic diagram of object to be processed according to an embodiment of the invention；

Fig. 7 is the schematic diagram of progress display area according to an embodiment of the invention；

Fig. 8 is the schematic diagram of refrigerator according to an embodiment of the invention；

Fig. 9 is the schematic diagram of refrigerator in accordance with another embodiment of the present invention；

Figure 10 is the schematic diagram of the refrigerator of another embodiment according to the present invention；

Figure 11 is the schematic diagram of the accommodation space inner wall according to an embodiment of the invention for being provided with hinge box；

Figure 12 is the schematic structure of the accommodation space inner wall in accordance with another embodiment of the present invention for being provided with hinge box Figure；

Figure 13 is the flow chart of the control method according to an embodiment of the invention for thawing apparatus；

Figure 14 is the detail flowchart of the control method according to an embodiment of the invention for thawing apparatus.

Specific embodiment

Fig. 1 is the schematic cross sectional views of thawing apparatus 100 according to an embodiment of the invention.Referring to Fig. 1, thawing apparatus 100 may include cylinder 110, device door body 120, radio frequency generation module 190 and radio-frequency antenna 130.Specifically, cylinder 110 limits There is the defrosting chamber 111 for placing object to be processed.Device door body 120 may be disposed at the pick-and-place mouth of defrosting chamber 111, be used for It is opened and closed the pick-and-place mouth of defrosting chamber 111.Radio frequency generation module 190 can be configured to generation radiofrequency signal and (refer generally to frequency to exist The radiofrequency signal of 300KHz~300GHz).Radio-frequency antenna 130 can be rectangle sheet metal.Radio-frequency antenna 130 can be by filling along thawing 100 transverse direction or transmitting antenna and receiving antenna that front-rear direction is set side by side composition are set, and is horizontally disposed at defrosting At the roof of chamber 111.Transmitting antenna and receiving antenna can be respectively set to be electrically connected and formed with radio frequency generation module 190 same Feeder shaft, the radio frequency that the radiofrequency signal that module 190 generates generates relevant parameter in defrosting chamber 111 occurs according to radio frequency Wave, and the object to be processed being placed in defrosting chamber 111 that thaws.In the present invention, it can be that can generate that module 190, which occurs, for radio frequency The solid state power source of radiofrequency signal, the solid state power source can be precisely controlled by chip, realize frequency and/power regulation.Cylinder 110 can be made of conductive metal.

In some embodiments, cylinder 110 may include top plate and bottom plate, back plate and two opposite lateral side plates, in The defrosting chamber 111 with front openings can be defined.Device door body 120 may be disposed at the forward opening of defrosting chamber 111. Fig. 2 is the schematic cross sectional views of the mounting means according to an embodiment of the invention about drawer body 160.Referring to fig. 2, exist In some preferred embodiments, thawing apparatus 100 may also include the drawer body 160 with upward opening, to be processed for carrying Object.Drawer body 160 may be configured as to move up with device door body 120 in the front and back of thawing apparatus 100, in order to User picks and places object to be processed.Handle 123 is also provided on front side of device door body 120, in order to user's drawing device door body 120 and Drawer.In some embodiments under the embodiment, the front end-plate of drawer body 160 may be configured as fixed with device door body 120 Connection.The two sides of drawer body 160 can be respectively arranged at least one with laterally two side plates rotation connection of drawer body 160 A (one, two or more more) idler wheel 161.The side wall of the both lateral sides of defrosting chamber 111 can be respectively set There is the sliding slot 116 of the front-rear direction extension along thawing apparatus 100, at least one idler wheel 161 of 160 both lateral sides of drawer body can It is set as rolling along the sliding slot 116 of 111 both lateral sides of defrosting chamber respectively, in order to the pull of drawer body 160.Idler wheel 161 Quantity can be to be multiple, to improve the mobile stability of drawer body 160.Fig. 3 is pass in accordance with another embodiment of the present invention In the schematic cross sectional views of the mounting means of drawer body 160.Referring to Fig. 3, in other embodiments under the embodiment, solution The side wall for freezing the both lateral sides of chamber 111 can be respectively arranged with slide track component.Each slide track component may include orbit determination 117 and activity Part 124.Orbit determination 117 may be configured as being fixedly connected with the side wall of 111 both lateral sides of defrosting chamber.Movable part 124 is settable To be movably connected with orbit determination 117, and the front end of movable part 124 may be configured as being fixedly connected with device door body 120, so as to In the opening and closing of device door body 120.The both lateral sides of drawer body 160 can be respectively arranged at least one clamping block 162.Defrosting chamber The movable part 124 of 111 both lateral sides of room can correspondingly be respectively arranged with clamping groove 124-1, and drawer body 160 can pass through clamping The clamping of block 162 and clamping groove 124-1 and movable part 124 are detachably connected, in order to the cleaning of drawer body 160.Card The quantity for connecing block 162 can be to be multiple, to improve the stability that drawer door body is connect with movable part 124, and then raising drawer The mobile stability of ontology 160.In other preferred embodiments, the lower edge of device door body 120 may be configured as being articulated with The downside peripheral region of the front openings of defrosting chamber 111 interferes to avoid with the article around thawing apparatus 100.It thaws May be provided in chamber 111 can be along the pallet 180 that the front-rear direction of thawing apparatus 100 moves, and object to be processed is anti-to terminate in pallet 180 On, in order to the pick-and-place of object to be processed.

The quantity of radio-frequency antenna 130 can be one, may be provided on any inner wall of cylinder 110, all have preferable solution Freeze effect and lower assembly cost.Radio-frequency antenna 130 is preferably set at the roof of defrosting chamber 111, to improve wait locate Manage the uniformity of the temperature of object.The vertical central axial line of one radio-frequency antenna 130 is preferably set as being in when device door body 120 It when closed state, is overlapped with the vertical central axial line of drawer body 160 or pallet 180, further to make object to be processed uniform It thaws.The Aspect Ratio of radio-frequency antenna 130 can carry out design of Simulation according to the size of defrosting chamber 111.The length of radio-frequency antenna 130 Degree, which is preferably less than, is equal to 15cm, to guarantee that thawing apparatus 100 has the defrosting chamber 111 of reasonable size.

The quantity of radio-frequency antenna 130 can be multiple.In some embodiments, multiple radio-frequency antennas 130 can be all set in solution Freeze at the roof of chamber 111.Fig. 4 is that the cylinder 110 according to an embodiment of the invention for being equipped with multiple radio-frequency antennas 130 pushes up The schematic diagram of wall.Referring to fig. 4, in some preferred embodiments, the quantity of multiple radio-frequency antennas 130 is even number.It is even Several radio-frequency antennas 130 are set to off and lateral separation symmetrical in the vertical central plane of defrosting chamber 111 in the longitudinal direction Ground arrangement, the radio-frequency antenna 130 of such arrangement preferably can uniformly thaw object to be processed relative to other arrangement forms.Into one Step ground, even number radio-frequency antenna 130 may be configured as being evenly arranged at the roof of defrosting chamber 111, so that defrosting chamber 111 Roof can be divided into the multiple regions of area equation, and a radio-frequency antenna 130 is provided in each region, with further Improve the temperature uniformity of object to be processed.In further embodiments, multiple radio-frequency antennas 130 can be respectively arranged at defrosting chamber With one or more side-walls at 111 roof, uniformly thawed with treating processed material in all directions.Multiple radio frequency days When line 130 can be configured to meet defrosting beginning condition, work is started simultaneously at；When meeting defrosting termination condition, it is simultaneously stopped work.

Pallet 180 or drawer body 160 can be made of ambroin, to reduce rf wave in pallet 180 or drawer body Electromagnetic consumable at 160.The lower surface of the bottom plate of the lower surface or drawer body 160 of pallet 180 and the bottom wall of defrosting chamber 111 Distance can be 5~10mm, such as 5mm, 7mm, 8mm or 10mm, with prevent drawer body 160 in the process of moving with defrosting The bottom wall of chamber 111 generates friction, and generates noise.

Fig. 5 is the schematic cross sectional views of thawing apparatus 100 in accordance with another embodiment of the present invention.Referring to Fig. 5, another In a little embodiments, cylinder 110 may include bottom plate and the circumferential side plate that each circumferential edge from bottom plate extends towards vertically, in The defrosting chamber 111 with upper side opening is defined, object to be processed can be prevented terminating on the bottom plate of defrosting chamber 111.Device door body 120 can horizontally be arranged at the upside opening of defrosting chamber 111.The rear end of device door body 120 may be configured as being articulated with The rear side peripheral region of the upper side opening of defrosting chamber 111, in order to the pick-and-place of object to be processed.In some preferred embodiments, it penetrates The quantity of frequency antenna 130 is multiple and is even number.Even number radio-frequency antenna 130 may be configured as being symmetrically disposed on cylinder two-by-two On the inner surface of 110 circumferential side plate, so that object to be processed is more uniformly defrosted, such as the quantity of radio-frequency antenna 130 is Two, two radio-frequency antennas 130 are symmetrically disposed on the both lateral sides of defrosting chamber 111 or the side-walls of front and rear sides；Radio frequency The quantity of antenna 130 is four, and four radio-frequency antennas 130 can symmetrically be respectively arranged at lateral the two of defrosting chamber 111 two-by-two The side-walls of side and the side-walls of front and rear sides.Each of cylinder 110 circumferential direction side plate on radio-frequency antenna 130 may be configured as about Vertical central axial line of circumferential side plate is symmetrical arranged where it, to further increase the defrosting uniformity of object to be processed.Another In a little embodiments, the quantity of radio-frequency antenna 130 is one.One radio-frequency antenna 130 may be disposed at any one of defrosting chamber 111 The side-walls of side.Each radio-frequency antenna 130 may be disposed at 1/3~3/7 height of defrosting chamber 111, such as 1/3,2/5 or 3/ 7, to improve the defrosting efficiency of object to be processed.May be provided with pallet 180 in defrosting chamber 111, in order to thawing apparatus 100 into Row cleaning.When multiple radio-frequency antennas 130 can be configured to meet defrosting beginning condition, work is started simultaneously at；Meet to thaw and terminates item When part, it is simultaneously stopped work.

In some preferred embodiments, cylinder 110 has each lateral edge from the pick-and-place mouth of its defrosting chamber 111, Towards the direction away from thawing apparatus 100 perpendicular to the central axial line of the pick-and-place mouth of defrosting chamber 111, it is parallel to defrosting chamber 111 The flange 112 for picking and placing mouth and extending, to increase the contact area of cylinder 110 Yu device door body 120, raising thawing apparatus 100 Airtightness.The surface of flange 112 towards device door body 120 may be provided with elastic conduction ring 113, and device door body 120 is towards cylinder The surface of body 110 can correspondingly offer annular groove 121 so that elastic conduction ring 113 device door body 120 close when with Annular groove 121 cooperates and is squeezed and deformed, and fits closely with device door body 120, further increases the close of thawing apparatus 100 Closing property.The cross section of elastic conduction ring 113 can be rectangle or bad arch or semicircle.

Device door body 120 may be provided with conductive metal mesh 122, and conductive metal mesh 122 may be configured as and elastic conduction ring 113 conductive contacts are enclosed, to reduce the outside magnetic dispersion amount of thawing apparatus 100 when device door body 120 is closed.Device door body 120 It can be made of clear material, such as plastics or glass etc., to improve the aesthetics of thawing apparatus 100, and can be user intuitively Observe the state for the object to be processed being placed in defrosting chamber 111.In some embodiments, conductive metal mesh 122 may be disposed at Device door body 120 is set as and 113 conductive contact of elastic conduction ring towards the surface of cylinder 110.In other embodiments In, conductive metal mesh 122 may be disposed in device door body 120, and be arranged through annular groove 121 and elastic conduction ring 113 conductive contacts.In the illustrated embodiment, the cross section of elastic conduction ring 113 is bad arch, the thickness of conductive metal mesh 122 Central axis on degree direction is set as tangent with the arcwall face of annular groove 121, so that conductive metal mesh 122 and elastic conduction 113 conductive contact of ring.

Thawing apparatus 100 may also include at least one locking device 150 for locking cylinder 110 and device door body 120. Each locking device 150 includes the first actuation portion and the second actuation portion.First actuation portion may be disposed at flange 112 towards device gate The surface of body 120.Second actuation portion may be disposed at the surface towards cylinder 110 of device door body 120, and the second actuation portion is arranged For that can be contacted when device door body 120 is closed with the first actuation portion.Thawing apparatus 100 can be made by being powered to the first actuation portion It is attracted the second actuation portion, and then locks cylinder 110 and device door body 120.In some preferred embodiments, locking device 150 Quantity be it is multiple, and about thawing apparatus 100 perpendicular to defrosting chamber 111 pick-and-place mouth central axial line be symmetrical arranged, with Improve the stability of locking cylinder 110 and device door body 120.Locking device 150 may be disposed at the outer of elastic conduction ring 113 Side, i.e., the side of the central axial line far from the pick-and-place mouth perpendicular to defrosting chamber 111, to further increase locking 110 He of cylinder The stability of device door body 120.Locking device 150 can be configured to when radio frequency generation module 190 is in running order, lock cylinder Body 110 and device door body 120, to improve the safety of thawing apparatus 100；Off working state is in when module 190 occurs for radio frequency When, it does not work, so that device door body 120 can be opened controllably.

In some preferred embodiments, thawing apparatus 100 may also include protective shell 131 and insulation shell 170.Protective shell 131 Be securable on the inner wall of defrosting chamber 111, and be set as covering at outside radio-frequency antenna 130, with prevent radio-frequency antenna 130 because with It accidentally touches and damages in family.The mounting surface for being each provided with radio-frequency antenna 130 is provided with a protective shell 131, and will be set to All radio-frequency antennas 130 in the mounting surface are located in it.Protective shell 131 may include the peripheral edge of substrate and self-reference substrate The circumferential baffle that edge is extended in the same direction perpendicular to substrate.The substrate of protective shell 131 may be configured as being parallel to the extension of radio-frequency antenna 130, To reduce electromagnetic consumable of the rf wave of the generation of radio-frequency antenna 130 at protective shell 131.Substrate can be rectangular or round.Protection Shell 131 can be made of nontransparent material, see the radio-frequency antenna 130 in protective shell 131 to avoid user, reduce thawing apparatus 100 aesthetics.At the roof that radio-frequency antenna 130 is set to defrosting chamber 111 and thawing apparatus 100 includes drawer body In 160 embodiment, the projection of protective shell 131 backward can be located at the top of drawer body 160, to prevent in drawer body 160 Motion process in, interfered with protective shell 131.Insulation shell 170 may be configured as covering at the outside of cylinder 110, to improve The safety of thawing apparatus 100 and aesthetics.In some embodiments, radio frequency occur module 190 may be disposed at insulation shell 170 with Between cylinder 110.In further embodiments, module 190, which occurs, for radio frequency may be disposed at outside insulation shell 170.Protective shell 131 and absolutely Edge shell 170 can be made of engineering plastics such as nonconducting PC, ABS, PP.

In some preferred embodiments, module 190, which occurs, for radio frequency can be configured to determine that defrosting is placed in defrosting chamber 111 Object to be processed optimal defrosting frequency, and generate frequency be optimal defrosting frequency radiofrequency signal.Radio-frequency antenna 130 is according to penetrating The radiofrequency signal that raw module 190 generates that takes place frequently generates the rf wave of corresponding frequencies in defrosting chamber 111, and it is to be processed to thaw Object.

Present inventor creatively has found, with the temperature change of object to be processed, the not only dielectric of object to be processed Coefficient can also change therewith, and the optimal defrosting frequency suitable for the object to be processed that thaws can also change.The present invention passes through determination It thaws the optimal defrosting frequency of object to be processed, and radio frequency is made module 190 occur to generate the radio frequency of the optimal defrosting frequency of frequency to believe Number come the object to be processed that thaws, defrosting efficiency is improved, thawing time is shortened, and then improves the convenience of user's defrosting.

Module 190, which occurs, for radio frequency can be configured to according to preset first time interval, to be incremented by preset step-length every time from the One predeterminated frequency rises to the second predeterminated frequency, while calculating and recording the corresponding rf wave absorptivity of each defrosting frequency.When When frequency increments to the second predeterminated frequency for the radiofrequency signal that module 190 generates occurs for radio frequency, the first predeterminated frequency is chosen to the The corresponding defrosting frequency of maximum radio frequency wave absorptivity being calculated in two predeterminated frequencies is as optimal defrosting frequency, to being placed in Object to be processed in defrosting chamber 111 thaws.When maximum radio frequency wave absorptivity corresponds to multiple (two or more) solutions When freezing frequency, the smallest defrosting frequency of selecting frequency is as optimal defrosting frequency, to reduce energy consumption.In this embodiment, first Time interval can be 1~3ms, such as 1ms, 2ms or 3ms.In some preferred embodiments, in the mistake for determining optimal defrosting frequency Cheng Zhong, module 190, which occurs, for radio frequency can be configured to be calculated after adjusting defrosting frequency first time interval every time and record this The corresponding rf wave absorptivity of defrosting frequency, to prevent the time too short result inaccuracy being calculated, overlong time is missed most Excellent defrosting frequency.Preset step-length can be 0.5~2KHz, such as 0.5KHz, 1KHz, 1.5KHz or 2KHz, to improve optimal defrosting The accuracy of frequency.First predeterminated frequency can be 432.7~432.9MHz, such as 432.7MHz, 432.8MHz or 432.9MHz. Second predeterminated frequency can be 433.1~433.3MHz, such as 433.1MHz, 433.2MHz or 433.3MHz.In some preferred realities It applies in example, the first predeterminated frequency can be 432.8MHz, and the second predeterminated frequency can be 433.2MHz.

Present inventor show that the frequency for making radio frequency that the radiofrequency signal that module 190 generates occur exists through many experiments Change in an adjusting section of 433MHz or so, is not only remarkably improved defrosting efficiency, but also the juice loss of object to be processed Rate is low, and penetration capacity is strong.Test indicate that the chilled beef of the 500g using -18 DEG C of the defrosting of thawing apparatus 100 of the invention, makes Its temperature rises to -3 DEG C, it is only necessary to and 12~15 minutes, and the inside and outside temperature difference of beef is less than 3 DEG C, when there is shorter defrosting Between and higher temperature uniformity.

In a further preferred embodiment, module 190, which occurs, for radio frequency can be configured at interval of preset second time Interval carries out a secondary frequencies adjusting.It that is to say, module 190 occurs for radio frequency in the previous adjusting that adjacent twice frequency is adjusted, really Thaw calmly the optimal defrosting frequency of the object to be processed being placed in defrosting chamber 111, and again with when time optimal defrosting frequency solution After freezing the second time interval of object to be processed, secondary frequencies adjust and redefine defrosting and are placed in defrosting chamber 111 after progress The optimal defrosting frequency of object to be processed, and so on, it is solved in entire course of defrosting, targetedly treating processed material Freeze, improves the defrosting efficiency of object to be processed.Second time interval can be 20~40 seconds, such as 30 seconds 20 seconds or 40 seconds, to prevent Only due to adjacent twice frequency adjust between time interval it is too short, cause frequency to adjust too frequent, determine for rear time optimal Defrosting frequency and the optimal defrosting frequency phase-difference of previous determination are too small even without variation, reduce defrosting efficiency instead, make to solve Freeze effect to be deteriorated；Time interval is too long, misses the optimal defrosting frequency for the object to be processed that thaws.

Thawing apparatus 100 may also include detection module (not shown).Detection module can be configured to detection connection radio frequency The incidence wave signal and reflection wave signal of the electrical wiring of module 190 and radio-frequency antenna 130 occurs.And can according to incidence wave signal and The performance number of reflection wave signal calculates the rf wave absorptivity of object to be processed.Rf wave absorptivity can be the function of incidence wave signal The ratio of the performance number of difference and incidence wave signal that the performance number that rate value subtracts reflection wave signal obtains.In some embodiments In, the performance number of incidence wave signal is a predetermined power value.In this embodiment, optimal defrosting frequency can be by reflection wave signal Performance number determines that the corresponding defrosting frequency of minimal reflection wave power value is optimal defrosting frequency.Predetermined power value can for 150~ 200W, such as 150W, 170W, 190W or 200W.Predetermined power value is most preferably 180W, using the power and cooperates solution above-mentioned Freeze control method, it can be while energy saving, so that the defrosting efficiency with higher of thawing apparatus 100 of the invention.

In some preferred embodiments, when radio frequency generation module 190 can be configured in defrosting chamber 111 without object to be processed not Work.Specifically, the back wave for the electrical wiring that module 190 and radio-frequency antenna 130 can occur according to connection radio frequency for detection module is believed Number performance number judge in defrosting chamber 111 without object to be processed.When the performance number for the reflection wave signal that detection module detects is big When being equal to a preset no-load power value, radio frequency occurs module 190 and stops working；When the back wave letter that detection module detects Number performance number be less than preset no-load power value when, radio frequency occur module 190 work on.Thawing apparatus 100 can be configured to When the performance number for the reflection wave signal that detection module detects be more than or equal to preset no-load power value when, issue vision and/or Audible signal reminds user unloaded.No-load power value can for current incidence wave signal performance number 70~90%, such as 70%, 80% or 90%.When the present invention is by defrosting chamber 111 without object to be processed (including object to be processed is very few), remind user empty It carries, and makes radio frequency that module 190 occur and stop working, avoid the generation of " sky is burnt " phenomenon, namely be that of avoiding radio frequency and mould occurs 190 long-time unloaded operation of block and damage, reduce the failure rate of thawing apparatus 100, and avoid the production of undesirably energy consumption It is raw.

Thawing apparatus 100 may also include at least one temperature sensor 140, for sensing the air in defrosting chamber 111 The surface temperature of temperature and/or object to be processed.Temperature sensor 140 can be configured to sense primary defrosting chamber 111 in every 2~4 seconds The surface temperature of interior air themperature and/or object to be processed, such as 2 seconds, 3 seconds or 4 seconds.Module 190, which occurs, for radio frequency can be configured to When the surface temperature for the object to be processed that temperature sensor 140 senses is more than or equal to a preset target temperature, stop working, After the completion of object to be processed thaws, to realize automatic termination thaw routine, is manually controlled without user, improve the convenience of user Property；When the air themperature in the defrosting chamber 111 that temperature sensor 140 senses is more than or equal to a preset Faulty Temperature, It stops working, to terminate thaw routine in time, avoid undesirable safety accident when thawing apparatus 100 breaks down Occur.Air themperature when the surface temperature of object to be processed is more than or equal to a preset target temperature and in defrosting chamber 111 When more than or equal to a preset Faulty Temperature, thawing apparatus 100 can issue different visual signal and/or audible signal respectively (such as different colours indicator light and/or different rhythm the tinkle of bells), prompt user thaw complete or thawing apparatus 100 occurs therefore Barrier.Temperature sensor 140 may be disposed in protective shell 131, to prevent temperature sensor 140 from damaging because accidentally touching.In some realities It applies in example, the quantity of temperature sensor 140 can be multiple.The surface temperature of object to be processed and/or the air in defrosting chamber 111 Temperature can be the average value for the temperature value that multiple temperature sensors 140 sense.In some preferred embodiments, it is each equipped with The mounting surface of radio-frequency antenna 130 may be provided at least one temperature sensor 140, to improve the sky in defrosting chamber 111 The accuracy of the surface temperature of temperature degree and/or object to be processed.In some further preferred embodiments, each mounting surface On temperature sensor 140 quantity be it is multiple, and multiple temperature sensors 140 are evenly arranged in the mounting surface so that Each mounting surface is divided into the multiple regions of area equation, and a temperature sensor 140 is provided in each region, to protect Demonstrate,proving any position that object to be processed is placed in defrosting chamber 111 can have temperature sensor 140 to sense its surface temperature value, and Further increase the accuracy of the surface temperature of the air themperature and/or object to be processed in defrosting chamber 111.With protective shell 131 Substrate be it is rectangular, for the quantity of radio-frequency antenna 130 is 4 and is all set on the roof of defrosting chamber 111, temperature sensing The quantity of device 140 can be 5, wherein 1 temperature sensor 140 may be disposed at the vertical central axial line of protective shell 131, another 4 A sensor can be respectively arranged at 4 corners of protective shell 131.In the present invention, target temperature can be -3~-1 DEG C, example Such as -3 DEG C, -2 DEG C or -1 DEG C.Faulty Temperature can be 0~4 DEG C, such as 0 DEG C, 2 DEG C or 4 DEG C.

In some preferred embodiments, module 190, which occurs, for radio frequency can be configured to sense twice when temperature sensor 140 is adjacent When the difference of the surface temperature of the object to be processed arrived is less than or equal to a preset minimum temperature difference, the default liter of its operating power one is improved Width, default increasing degree can be the 2~8% of current operating power, such as 2%, 4%, 6% or 8%；When temperature sensor 140 is adjacent When the difference of the surface temperature of the object to be processed sensed twice is more than or equal to a preset highest temperature difference, its operating power is reduced The one default range of decrease, the default range of decrease can be the 2~8% of current operating power, such as 2%, 4%, 6% or 8%, to be processed to guarantee Object is uniformly thawed.In the present invention, the minimum temperature difference can be 0.02~0.04 DEG C, such as 0.02 DEG C, 0.03 DEG C or 0.04 DEG C.Most High temperature difference can be 0.06~0.08 DEG C, such as 0.06 DEG C, 0.07 DEG C or 0.08 DEG C.

A kind of refrigerator 200 can also be provided in thawing apparatus 100 based on aforementioned any embodiment, the present invention.Fig. 2 is according to this The schematic side elevation of the refrigerator 200 of invention one embodiment.Referring to fig. 2, refrigerator 200 generally may include defining at least The compartment door body of the cabinet of one storage room, pick-and-place mouth for being opened and closed each storage room respectively, and is set to one The thawing apparatus 100 of storage room.In the illustrated embodiment, the quantity of thawing apparatus 100 is one.Between the storing of refrigerator 200 The quantity of room can be three, respectively refrigerator room 211, alternating temperature compartment 212 and freezing compartment 213, and be respectively used to be opened and closed Refrigeration door body 221, alternating temperature door body 222 and the freezing door body 223 of refrigerator room 211, alternating temperature compartment 212 and freezing compartment 213.For Optimize the storage space of refrigerator 200, refrigerator room 211 and freezing compartment 213 are usually multiple thin by partition and/or drawer separation The accommodation space of change.

In addition, also illustratable be, knownly, refrigerator room 211 refers to the preservation to food materials to those skilled in the art The storage room that temperature is 0~+8 DEG C；The storing that it is -20~-15 DEG C between the preservation temperature of food materials that freezing compartment 213, which refers to, Room；Alternating temperature compartment 212 refer to can to a wide range (such as adjusting range can at 4 DEG C or more, and be adjustable to 0 DEG C or more or 0 DEG C with Under) change the storage room of its preservation temperature, its general preservation temperature may span across refrigeration, soft freezing (generally -4~0 DEG C) and Cryogenic temperature, preferably -18~+5 DEG C.

Thawing apparatus 100 further includes switching (not shown) for controlling the defrosting of thaw routine start and stop, and radio frequency occurs Module 190 is configured to the line frequency adjusting of going forward side by side of starting to work when the switch that thaws is opened；When the switch that thaws is closed, stop work Make.In some preferred embodiments, the switch that thaws may be disposed in the compartment door body of refrigerator 200, thaw in order to which user is adjusted Switch.In the operation interface for switching the operation panel for being preferably provided at refrigeration door body 221 of thawing, opened in order to which user adjusts to thaw It closes.In further embodiments, the switch that thaws may be provided in device door body 120.

In some preferred embodiments, it may be provided with progress display area 250 in the compartment door body of refrigerator 200, with display The defrosting progress of object to be processed, and then improve the convenience of user.Progress display area 250 may be configured as being worked as according to object to be processed Preceding surface temperature value and preset target temperature value show the defrosting progress of object to be processed.

Fig. 6 is time-temperature change curve schematic diagram (the horizontal seat in figure of object to be processed according to an embodiment of the invention It is designated as the thawing time t of object to be processed, ordinate is the surface temperature Td of object to be processed).Referring to Fig. 6, thawing apparatus 100 is also wrapped Include the measuring device (not shown) of the preset parameter for measuring object to be processed.Preset parameter may include the weight of object to be processed Amount, and/or volume, and/or maximum gauge value.Measuring device may include gravity sensor, and/or infrared sensor.Thaw dress The corresponding time-temperature change curve of object to be processed can be matched according to the preset parameter of object to be processed by setting 100.Time-temperature becomes Experiment acquisition of thawing can be carried out by the object to be processed to different weight, and/or volume, and/or maximum gauge value by changing curve, and Multiple time-temperature change curves and its corresponding preset parameter are arranged in the control chip of thawing apparatus 100 in advance.Figure 7 be the schematic diagram of progress display area 250 according to an embodiment of the invention.Referring to Fig. 7, progress display area 250 can be wrapped Include the first numeric area 251 for showing the remaining thawing time of object to be processed, the defrosting for showing object to be processed it is total when Between the second numeric area 252 and can it is progressive change display state progress show item 253.In illustrated embodiment, thaw total Time is 15 minutes, and remaining thawing time is 30 seconds 5 minutes.

Specifically, the remaining thawing time of object to be processed can be according to the surface temperature and target temperature of currently pending object Degree, is calculated in conjunction with corresponding time-temperature change curve.The remaining thawing time of object to be processed can be for when corresponding On m- temperature variation curve, surface temperature corresponding time that the corresponding time numerical value of target temperature subtracts currently pending object The difference that numerical value obtains.First numeric area 251 is configured to after determining the remaining thawing time of currently pending object, in meter When show the real-time remaining thawing time of object to be processed.After temperature sensor 140 senses the surface temperature of object to be processed every time, weight The remaining thawing time of object to be processed is newly calculated, i.e. the remaining thawing time of the first numeric area 251 display is in temperature sensor 140 sense the surface temperature of object to be processed every time after corrected, with improve its display remaining thawing time accuracy.Solution Freezing total time can be the surface temperature and target temperature of the object to be processed sensed according to 140 first time of temperature sensor, knot Corresponding time-temperature change curve is closed to be calculated.Progress shows that item 253 is in the length and progress of the part of display state The ratio for showing the length of item 253 is the difference and the ratio for total time of thawing for subtracting that remaining thawing time obtains total time of thawing Value.In the present invention, it can be by dark to bright that progress, which shows that item 253 changes display state,.Progress display area 250 can be configured to work as When user opens defrosting switch, start the defrosting progress for showing object to be processed；When user, which closes, thaws switch, stop working.

The backward side plate of cylinder 110 can offer device air inlet 114 and device air outlet 115 respectively, fill so as to thaw The air set outside 100 enters in defrosting chamber 111 via device air inlet 114, and make air in defrosting chamber 111 via Device air outlet 115 is expelled to outside thawing apparatus 100, and then thawing apparatus 100 can be made when not receiving defrosting instruction, is thawed Chamber 111 can be used to place food materials, and the storage space in refrigerator 200 is made to be fully utilized.Device air inlet 114 and device Air outlet 115 can be respectively arranged with conductive metal mesh 122, to reduce the outside magnetic dispersion amount of thawing apparatus 100.

In some embodiments, the thawing apparatus 100 including the defrosting chamber 111 with front openings may be disposed at refrigerator In 200 any accommodation space, for example, take on the bottom wall for being put in accommodation space or be fastened in accommodation space roof or bottom wall it Between.Fig. 8 is the schematic diagram of refrigerator 200 according to an embodiment of the invention；Fig. 9 is another implementation according to the present invention The schematic diagram of the refrigerator 200 of example.Referring to Fig. 8 and Fig. 9, it is provided with the corresponding compartment of accommodation space of thawing apparatus 100 Door body (defrosting compartment door body) may be configured as the peripheral region for the pick-and-place mouth for being pivotally secured to the accommodation space, such as upside week At edge, right side peripheral region or downside peripheral region etc..(when thawing apparatus 100 is set to refrigerator room 211 or freezing compartment 213, The quantity for being provided with the corresponding compartment door body of storage room of thawing apparatus 100 can be respectively used to opening and closing and be provided with solution to be multiple The accommodation space and other accommodation spaces in the storage room for freezing device 100.) in some preferred embodiments, defrosting compartment Door body may be configured as the downside peripheral region for the pick-and-place mouth for being pivotally secured to the accommodation space, in order to which user opens the dress that thaws The device door body 120 for setting 100, picks and places object to be processed.In this embodiment, the accommodation space and solution of thawing apparatus 100 are provided with Freezing between compartment door body may be provided with lock, to lock the accommodation space and defrosting compartment door body.Lock may include elastic portion and Block tongue portion.Elastic portion may be configured as one end and be fixedly connected with the upside peripheral region of the pick-and-place mouth of accommodation space, and along refrigerator 200 Vertical direction tilts upward extension.Block tongue portion is set to elastic portion and is fixedly connected with the upside peripheral region of the pick-and-place mouth of accommodation space Side, and be set as along towards defrosting compartment door body direction extend.Correspondingly, defrosting compartment door body can offer clamping Hole, block tongue portion may be configured as being fastened in blocked hole, will be provided with the accommodation space and defrosting compartment door body of thawing apparatus 100 Locking.Lock may also include operation portion, be set as the front-rear direction along refrigerator 200 through defrosting compartment door body, and extend to solution Freeze the front side of compartment door body.Operation portion is configured to move reciprocatingly along the front-rear direction of refrigerator 200, and its backward end setting To be contacted with elastic portion, to adjust elastic portion.When user wants that opening defrosting compartment door body picks and places object to be processed, pressing can be passed through One end of pick-and-place mouth of the elastic portion far from the accommodation space, opens defrosting compartment door body, defrosting compartment door body can be in self gravity It is downwardly turned under the effect of the elastic force of effect and elastic portion, is opened manually without user, improve the convenience of user.Lock But the elastic lock of the locking of the achievable accommodation space of other forms and defrosting compartment door body.The lower end of defrosting compartment door body The front surface that face is more than or equal to defrosting compartment door body with the distance between the upper surface of compartment door body being located under it is pivoted with it The vertical range of axis, to prevent thawing room room door body from interfering in the course of rotation with the compartment door body being located under it. In some preferred embodiments, gapless between 214 wall of liner of the both lateral sides of thawing apparatus 100 and storage room, with Independent defrosting compartment is formed in refrigerator 200 come the object to be processed that thaws, in other words, this layer of accommodation space, which is only used for placing, thaws Device 100.

There are gaps with the rear wall of storage room for being provided with thawing apparatus 100 for the backward side plate of cylinder 110, in order to solve Freeze the gas exchanges of the air in chamber 111 and the air in the accommodation space where it.When refrigerator 200 is direct cooling refrigerator 200 When, the rear wall of storage room is the rear wall of its liner 214；When refrigerator 200 is wind cooling refrigerator 200, the rear wall of storage room is The front surface of its interior air duct cover board.In some preferred embodiments, the backward side plate of cylinder 110 and it is provided with thawing apparatus 100 Storage room rear wall between gap can be 10~30mm, such as 10mm, 20mm or 30mm, to guarantee thawing apparatus 100 have intake appropriate and air output while, guarantee defrosting chamber 111 have biggish dischargeable capacity.Device air inlet Mouthfuls 114 may be disposed at the top of the lateral side of cylinder 110, device air outlet 115 may be disposed at the separate device of cylinder 110 into The lower part of the lateral side in air port 114, to improve the heat exchange efficiency of the air outside thawing apparatus 100 and in defrosting chamber 111.? In the embodiment of thawing apparatus 100 including drawer body 160, the projection of drawer body 160 backward be located at device air inlet 114 it Under, to be further ensured that thawing apparatus 100 has enough intakes.

Figure 10 is the schematic diagram of the refrigerator 200 of another embodiment according to the present invention.Referring to Figure 10, at other In embodiment, the storage drawer 260 with upward opening, and each storage are provided in alternating temperature compartment 212 and freezing compartment 213 The front side end plate of object drawer 260 is set as being fixedly connected with positioned at its front side compartment door body.Each storage drawer 260 can be by setting 214 side walls of liner for being placed in the slide track component of its both lateral sides and the both lateral sides of storage room connect.Including with upper The thawing apparatus 100 of the defrosting chamber 111 of side opening may be disposed at the storage drawer in alternating temperature compartment 212 or freezing compartment 213 In 260.There are gaps for the rear side inner wall of the backward side plate of cylinder 110 and the storage drawer 260 where it, in order to the chamber that thaws The gas exchanges of air in 111 and the air in the storage drawer 260 where it.In some preferred embodiments, cylinder 110 Backward side plate and the storage drawer 260 where it rear side inner wall between gap can be more than or equal to 10mm, such as gap be 10mm, 20mm or 30mm, to guarantee that thawing apparatus 100 has intake appropriate and air output.Thawing apparatus 100 it is vertical to Under projection can be 30~50% of storage drawer 260 where it, other spaces in the storage drawer 260 can be used as normally Alternating temperature compartment 212 or freezing compartment 213 use.

In some preferred embodiments, thawing apparatus 100 may be disposed in the alternating temperature compartment 212 of refrigerator 200, compared to general For the setting of thawing apparatus 100 in other compartments, the temperature influence of the storage space between at interior outside thawing apparatus 100 is smaller, and Since the preservation temperature of alternating temperature compartment 212 is adjustable, the temperature in defrosting chamber 111 can be adjusted according to the different use demands of user Degree, improves the convenience of user.The refrigeration system of refrigerator 200 can be configured to when the switch that thaws is opened, by alternating temperature compartment 212 Preservation temperature be adjusted to the target temperature of preset object to be processed, caused to avoid to the object to be processed that thaws of thawing apparatus 100 It influences, and improves the defrosting efficiency of object to be processed；After the completion of object to be processed defrosting, from defrosting chamber in a scheduled time threshold value When taking out in room 111, the former refrigerant sequence of refrigerator 200 is run；After the completion of object to be processed defrosting, not out of defrosting chamber 111 When the time of taking-up is more than or equal to scheduled time threshold value, the preservation temperature of alternating temperature compartment 212 is adjusted to working as freezing compartment 213 Preceding preservation temperature.It that is to say, when the time that object to be processed does not take out out of defrosting chamber 111 is less than scheduled time threshold value, solution The temperature frozen in chamber 111 remains the target temperature of object to be processed, is constantly in object to be processed within this time Thawed state, in order to which user uses object to be processed；The time that object to be processed does not take out out of defrosting chamber 111 is more than or equal to pre- If when time threshold, the preservation temperature of alternating temperature compartment 212 is adjusted to the current preservation temperature of freezing compartment 213 by refrigeration system Degree, object to be processed is freezed again, to guarantee the quality of object to be processed.

In other preferred embodiments, thawing apparatus 100 be may be disposed in the freezing compartment 213 of refrigerator 200, Yong Huqu Out and object to be processed is put back to without other compartment door body are opened, improve the convenience that user picks and places object to be processed.Refrigerator 200 Refrigeration system can be configured to stop providing cooling capacity for freezing compartment 213, to avoid to thawing apparatus when the switch that thaws is opened 100 defrosting objects to be processed impact；After the completion of object to be processed defrosting, from defrosting chamber 111 in a scheduled time threshold value When interior taking-up, the former refrigerant sequence of refrigerator 200 is run；After the completion of object to be processed defrosting, do not taken out out of defrosting chamber 111 When time is more than or equal to scheduled time threshold value, cooling capacity is provided for freezing compartment 213.It that is to say, object to be processed is not from defrosting chamber It is temperature-resistant in defrosting chamber 111 when the time taken out in 111 is less than scheduled time threshold value, make object to be processed at this section It is interior to be constantly in thawed state, in order to which user uses object to be processed；Object to be processed do not taken out out of defrosting chamber 111 when Between be more than or equal to preset time threshold when, refrigeration system be freezing compartment 213 cooling capacity is provided, object to be processed is freezed again, with Guarantee the quality of object to be processed.

In some embodiments, after user opens and thaws switch, the operation interface of refrigerator 200 will pop up selection input solution Freeze the time started or immediately begins to the dialog box thawed.User can select to immediately begin to thaw or input according to use demand to thaw Time started, if user's selection immediately begins to thaw, radio frequency occurs module 190 and commences work without delay, and thaw object to be processed；If User selects input to thaw the time started, then radio frequency generation module 190 is opened when current time is the preset defrosting time started Beginning work makes user that can neatly select thawing time, improves the convenience of user.In the present invention, refrigerator 200 can be passed through The time that interior timer record object to be processed does not take out out of defrosting chamber 111 after the completion of thawing.Scheduled time threshold value can be 15~25min, such as 15min, 20min or 25min.

In some preferred embodiments, module 190, which occurs, for radio frequency may be disposed at foaming layer and the postnotum of 200 cabinet of refrigerator Between 215, in order to which the maintenance of module 190 occurs for radio frequency.Refrigerator 200 may also include for being 100 all parts of thawing apparatus The power supply module 240 of (such as module 190, detection module, locking device 150 etc. occur for radio frequency) power supply.In some embodiments, With radio frequency the hair that module 190 is juxtaposed on 200 cabinet of refrigerator in the transverse direction of refrigerator 200 can occur for power supply module 240 Between alveolar layer and postnotum 215, in order to which with radio frequency being electrically connected for module 190 occurs for power supply module 240.In other embodiments In, power supply module 240 may be disposed in the compressor room 230 of refrigerator 200, in order to the heat dissipation and maintenance of power supply module 240.Inspection Surveying module can be set along between the foaming layer and postnotum 215 of 200 cabinet of refrigerator with radio frequency generation module 190.

In some preferred embodiments, radio-frequency antenna 130 is set as electrical wiring and radio frequency generation mould by smoothly extending Block 190 is electrically connected, to reduce electromagnetic consumable of the rf wave at the electrical wiring.It connects radio-frequency antenna 130 and module occurs for radio frequency 190 electrical wiring can be made of copper core and the insulating materials being coated on the outside of copper core.The insulating materials being coated on the outside of copper core is excellent It is selected as PTFE (polytetrafluoroethylplastic plastic), with lower dielectric constant and dielectric loss, and is still had at low ambient temperatures Preferable mechanical tenacity, and then while guaranteeing the service life of electrical wiring, reduce electromagnetic consumable.When radio-frequency antenna 130 is flat Row can use right angle adapter in the installation place of the radio-frequency antenna 130 when connecting its electrical wiring with radio frequency generation module 190 132, and right angle adapter 132 is occurred with radio frequency by module 190 by electrical wiring and is electrically connected, to avoid connection radio-frequency antenna 130 The electrical wiring right angle that module 190 occurs with radio frequency is bent, and radiofrequency signal is caused to lose.

The embodiment in the storage drawer 260 in alternating temperature compartment 212 or freezing compartment 213 is set in thawing apparatus 100 In, radio-frequency antenna 130 may be disposed at defrosting chamber 111 on the side wall of the circumferential side plate of storage drawer 260, in order to radio frequency With radio frequency being electrically connected for module 190 occurs for antenna 130.In some preferred embodiments, refrigerator 200 may also include hinge box 270, Be fixed in the lateral sidewalls for the accommodation space for being provided with thawing apparatus 100, inside be formed with for accommodate connection radio frequency day The accommodating space of the electrical wiring of module 190 occurs for line 130 and radio frequency, to avoid thawing apparatus 100 with storage drawer 260 together When the front and back of refrigerator 200 move upwards, the electrical wiring that with radio frequency module 190 occurs for connection radio-frequency antenna 130 is pullled Or it squeezes and damages, and then influence the transmission of radiofrequency signal.Hinge box 270 can offer line inlet port 271 and line outlet respectively 272, the electrical wiring of connection radio-frequency antenna 130 may be configured as being introduced to inside hinge box 270 from line inlet port 271, and from line outlet 272 extractions occur module 190 with radio frequency and are electrically connected.Storing where hinge box 270 is preferably disposed on connection thawing apparatus 100 is taken out The lower section of the slide track component of drawer 260, not only can hidden hinge box 270, improve refrigerator 200 aesthetics, can also convenient for connection penetrate The export of the electrical wiring of frequency antenna 130.

Figure 11 is the schematic structure of the accommodation space inner wall according to an embodiment of the invention for being provided with hinge box 270 Figure.Referring to Figure 11, in some embodiments, the electrical wiring being set in hinge box 270 can in the shape of a spiral, in thawing apparatus Stretcher strain when storage drawer 260 where 100 pulls out forward, the compressive deformation when storage drawer 260 is urged rearwardly into prevent electricity Line damage.It may be provided with a guiding axis 273 extended along the front-rear direction of refrigerator 200 in hinge box 270, be set to hinge box Electrical wiring in 270 may be configured as extending spirally around guiding axis 273, and electrical wiring is limited to only can be along the front and back of refrigerator 200 Direction stretches or compressive deformation.Hinge box 270 can be cylindrical shell, be further limited to electrical wiring only can be along refrigerator 200 Front-rear direction stretch or compressive deformation.The line inlet port 271 of hinge box 270 may be disposed on the peripheral wall of hinge box 270, and can set Be set to along refrigerator 200 front-rear direction extension, with improve electrical wiring when storage drawer 260 is urged rearwardly into compressive deformation it is smooth Property.The length of line inlet port 271 can be the maximum distance that storage drawer 260 is moved in 200 front-rear direction of refrigerator.Hinge box 270 Line outlet 272 can be opened on end plate thereafter.The radius of spin of electrical wiring when in maximum compressive state can for 4~ 6mm, such as 4mm, 5mm or 6mm.

Figure 12 is the schematic knot of the accommodation space inner wall in accordance with another embodiment of the present invention for being provided with hinge box 270 Composition.Referring to Figure 12, in further embodiments, hinge box 270 can be at flat.It is set in hinge box 270 and adjacent to out The part electrical wiring of line mouth 272 may be configured as being fixedly connected with hinge box 270, with hinge box 270 fixed part electrical wiring and Electrical wiring between radio-frequency antenna 130 may be configured as pulling out with the pull-out of storage drawer 260 from the line inlet port 271 of hinge box 270, The accommodating space entered in hinge box 270 from the line inlet port 271 of hinge box 270 is pushed back with storage drawer 260.Line inlet port 271 It can be opened in the side plate of the front and rear sides of hinge box 270, respectively with line outlet 272 in order to which radio-frequency antenna 130 and radio frequency occur The electrical connection of module 190.Arc can be respectively arranged at the position of neighbouring line inlet port 271 and line outlet 272 in hinge box 270 to lead Slot 274.The part electrical wiring being set in hinge box 270 may be configured as consolidating with the arc guide barrel 274 for being located at neighbouring line outlet 272 Fixed connection.Electrical wiring between radio-frequency antenna 130 and the arc guide barrel 274 of neighbouring line outlet 272 may be configured as arcuately guide groove 274 slidings generate electromagnetic consumable to avoid because of electrical wiring bending.The radius of the center line of the extending direction of arc guide barrel 274 It can be 6~10mm, such as 6mm, 8mm or 10mm.Line inlet port 271 and line outlet 272 are preferably located at the top of hinge box 270, Further convenient for the export of the electrical wiring of connection radio-frequency antenna 130.

Figure 13 is the flow chart of the control method according to an embodiment of the invention for thawing apparatus 100.Referring to figure 13, the defreezing method for thawing apparatus 100 of the invention may include steps of:

Step S1302: the optimal defrosting frequency for the object to be processed being placed in defrosting chamber 111 that thaws is determined.

Step S1304: radio frequency occurs module 190 and generates the radiofrequency signal that frequency is optimal defrosting frequency.

Step S1306: radio-frequency antenna 130 generates the rf wave of corresponding frequencies according to radiofrequency signal in defrosting chamber 111, And the object to be processed that thaws.

Figure 14 is the detail flowchart of the control method according to an embodiment of the invention for thawing apparatus 100.Ginseng See Figure 14, the defreezing method for thawing apparatus 100 of the invention may include following detailed step:

Step S1402: judge to thaw to switch and whether open, if so, executing step S1404；If it is not, executing step S1402.

Step S1404: the radio frequency generation start-up operation of module 190, acquisition radio frequency generation module 190 and radio-frequency antenna 130 The performance number of the reflection wave signal of electrical wiring.

Step S1406: judging whether the performance number of current reflective wave signal is less than no-load power value, if so, executing step S1410；If it is not, executing step S1408.

Step S1408: radio frequency occurs module 190 and stops working, and issues vision and the prompt user's zero load of/audible signal.

Step S1410: radio frequency occurs module 190 the 1st time and generates the radiofrequency signal that frequency is the first predeterminated frequency f (1).

Step S1412: delay first time interval, acquisition connection radio frequency generation module 190 and radio-frequency antenna 130 are electrically connected The incidence wave signal and reflection wave signal of line calculate the simultaneously corresponding rf wave absorptivity R (1) of recording frequency f (1).In the step In, first time interval takes 0.02 second.

Step S1414: radio frequency occurs module 190 the 2nd time and generates the radiofrequency signal that frequency is f (2), and module occurs for radio frequency The frequency f (2) of the radiofrequency signal of 190 the 2nd generations is equal to the frequency f that the radiofrequency signal of module 190 the 1st time generation occurs for radio frequency (1) with preset step-length h's and.

Step S1416: delay 0.02 second obtains entering for the electrical wiring of connection radio frequency generation module 190 and radio-frequency antenna 130 Ejected wave signal and reflection wave signal calculate the simultaneously corresponding rf wave absorptivity R (2) of recording frequency f (2).

And so on, until step S1418: module 190 occurs for radio frequency, and n-th is (most during determining optimal defrosting frequency 1 time afterwards) generate the radiofrequency signal that frequency is the second predeterminated frequency f (n).The radiofrequency signal that 190 n-th of module generates occurs for radio frequency Frequency f (n) be equal to radio frequency the frequency f (n-1) of the radiofrequency signal that module 190 (n-1)th times (2nd time reciprocal) generates and pre- occur If the sum of step-length h.

Step S1420: delay 0.02 second obtains entering for the electrical wiring of connection radio frequency generation module 190 and radio-frequency antenna 130 Ejected wave signal and reflection wave signal calculate the simultaneously corresponding rf wave absorptivity R (n) of recording frequency f (n).

Step S1422: in each defrosting frequency that radio frequency generation module 190 is generated during determining optimal defrosting frequency The corresponding defrosting frequency f (x) of the highest R (x) of radio frequency absorption rate is used as optimal defrosting frequency W (f).

Step S1424: radio frequency occurs module 190 and generates the radiofrequency signal that frequency is optimal defrosting frequency W (f).

Step S1426: the second time interval of delay, return step S1410.In this step, the second time interval takes 30 Second.

After step S1410, the defreezing method for thawing apparatus 100 may also include the steps of:

Step S1430: the air themperature Tq in defrosting chamber 111 is obtained.

Step S1432: judging whether the air themperature Tq in defrosting chamber 111 is more than or equal to preset Faulty Temperature Tg, If so, executing step S1434 and S1436；If it is not, executing step S1430.

Step S1434: issuing vision and/audible signal prompt user's thawing apparatus 100 breaks down.

Step S1436: radio frequency occurs module 190 and stops working.

After step S1410, the defreezing method for thawing apparatus 100 may include following steps again:

Step S1440: the surface temperature Td (x) of object to be processed is obtained in real time.Execute step S1442 and S1446.

Step S1442: judging whether the surface temperature Td (x) of object to be processed is more than or equal to preset target temperature Tm, if It is to execute step S1444 and S1436；If it is not, executing step S1440.

Step S1444: issuing vision and/audible signal prompt user is thawed and completed.

Step S1446: judge whether the surface temperature Td (x) and Td (x-1) of the adjacent object to be processed obtained twice are less than Equal to preset minimum temperature difference Tfi, if so, executing step S1448；If it is not, executing step S1450.

Step S1448: the operating power P for making radio frequency that module 190 occur on the basis of current power P d, improves default Increasing degree K1.

Step S1450: judge whether the surface temperature Td (x) and Td (x-1) of the adjacent object to be processed obtained twice are greater than Equal to preset highest temperature difference Tfa, if so, executing step S1452；If it is not, executing step S1454.

Step S1452: the operating power P for making radio frequency that module 190 occur on the basis of current power P d, reduces default Range of decrease K2.

Step S1454: the operating power P for making radio frequency that module 190 occur is equal to current power P d, i.e. operating power is kept It is constant.

Step S1460: the preset parameter of object to be processed is obtained.

Step S1462: the corresponding time-temperature change curve of object to be processed is matched.

Step S1464: the surface temperature Td (1) of object to be processed is obtained for the first time.

Step S1466: the remaining thawing time t (1) of object to be processed is calculated.

Step S1468: the first numeric area 251, the second numeric area 252 and the progress of progress display area 250 are shown Item 253 shows defrosting progress msg respectively.The defrosting total time of second numeric area 252 display is equal to t (1), and remains unchanged.

251 countdown of the S1470: the first numeric area of step shows the real-time remaining thawing time t of object to be processed, until again Once obtain the surface temperature Td (2) of object to be processed.In this step, temperature sensor 140 every 2~4 seconds sensings are once wait locate The temperature value for managing object takes 3 seconds once, i.e. 251 countdown of the first numeric area is shown 3 seconds.

Step S1472: the surface temperature Td (> 1) of object to be processed is obtained.

Step S1474: the remaining thawing time t (> 1) of object to be processed is calculated.

Step S1476: the first numeric area 251 and progress of progress display area 250 show that item 253 shows defrosting respectively Progress msg, return step S1470.I.e. after the surface temperature Td (1) for obtaining object to be processed for the first time is determined and thawed total time, Temperature sensor 140 senses the surface temperature of object to be processed, and calculates corresponding remaining thawing time, in the first numeric area 251 and progress show item 253 on shown respectively.

In some illustrative embodiments, enabling first time interval is 0.02 second, and preset step-length h is 1KHz, and first is pre- If frequency f (1) is 432.8MHz, the second predeterminated frequency f (n) is 433.2MHz, and the second time interval is 30 seconds, and mould occurs for radio frequency The input power of block 190 is 180W (i.e. the performance number of incidence wave signal is 180W).

Radio frequency occurs module 190 and adjusts frequency values from 432.8MHz to 433.2MHz according to the step-length of every 2 milliseconds of 1KHz, i.e., It is incremented to 433.2MHz always from 432.801MHz, 432.802MHz, while detection module senses under each defrosting frequency values The performance number of reflection wave signal, 30.8W, 30.2W ..., 31.3W, it is corresponding to calculate separately each defrosting frequency values later respectively Rf wave absorptivity, respectively 82.8%, 83.2% ..., 82.6%, then maximum radio frequency wave absorptivity is 83.2%, corresponding Frequency values are 432.802MHz, using frequency values 432.802MHz as the optimal defrosting frequency of currently pending object, radio frequency hair After raw module 190 generates radiofrequency signal 30 seconds that frequency values are 432.802MHz, the defrosting frequency carried out next time is adjusted.

So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims

1. a kind of control method for thawing apparatus, the thawing apparatus includes the defrosting defined for placing object to be processed The device gate of the cylinder of chamber, the pick-and-place mouth for being opened and closed the defrosting chamber being set at the pick-and-place mouth of the defrosting chamber Body, radio frequency occur module and are set at the inner wall of the defrosting chamber and penetrate with what radio frequency generation module was electrically connected Frequency antenna, wherein the control method includes:

Step C: the radio-frequency antenna generates the rf wave of corresponding frequencies according to the radiofrequency signal in the defrosting chamber, and Thaw the object to be processed.

2. the control method according to claim 1 for thawing apparatus, wherein the step A includes:

Step A1: the radio frequency generation module is pre- from first to be incremented by preset step-length every time according to preset first time interval If frequency rises to the second predeterminated frequency；

Step A3: using the corresponding defrosting frequency of maximum rf wave absorptivity being calculated in step A2 as the optimal solution Freeze frequency.

3. the control method according to claim 2 for thawing apparatus, the thawing apparatus further includes for the company of detection The incidence wave signal of the electrical wiring of the radio frequency generation module and the radio-frequency antenna and the detection module of reflection wave signal are connect, In

The rf wave absorptivity obtains for the performance number that the performance number of the incidence wave signal subtracts the reflection wave signal The ratio of difference and the performance number of the incidence wave signal.

4. the control method according to claim 3 for thawing apparatus, wherein

The performance number of the incidence wave signal is a predetermined power value.

5. the control method according to claim 4 for thawing apparatus, wherein

The predetermined power value is 150~200W.

6. the control method according to claim 2 for thawing apparatus, wherein

The first time interval is 1~3ms.

7. the control method according to claim 2 for thawing apparatus, wherein

The preset step-length is 0.5~2KHz.

8. the control method according to claim 2 for thawing apparatus, after the step C further include:

Step D: when the step A, which starts the time executed, is more than or equal to preset second time interval, institute is repeated State step A and subsequent step；

When the step A, which starts the time executed, is less than second time interval, the radio frequency occurs module and continues to generate Frequency is the radiofrequency signal of current optimal defrosting frequency.

9. the control method according to claim 8 for thawing apparatus, wherein

Second time interval is 20~40 seconds.

10. the control method according to claim 1 for thawing apparatus, the thawing apparatus further includes for controlling solution The defrosting switch for freezing program start and stop, wherein the control method further include: