CN204240429U - Micro-wave oven - Google Patents
Micro-wave oven Download PDFInfo
- Publication number
- CN204240429U CN204240429U CN201420679200.XU CN201420679200U CN204240429U CN 204240429 U CN204240429 U CN 204240429U CN 201420679200 U CN201420679200 U CN 201420679200U CN 204240429 U CN204240429 U CN 204240429U
- Authority
- CN
- China
- Prior art keywords
- transformer
- micro
- wave oven
- magnetic core
- outer cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Constitution Of High-Frequency Heating (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The utility model discloses a kind of micro-wave oven, and it comprises base plate, outer cover and the transformer be fixed on base plate, and outer cover is arranged on base plate and transformer established by cover.Transformer comprises the first magnetic core in E type, in flat second magnetic core, primary coil, secondary coil and heater winding, second magnetic core is fixed on the first magnetic core, secondary coil, heater winding and primary coil are located on the center pillar of the first magnetic core successively, and the coiling plane of the coiling plane of secondary coil, the coiling plane of primary coil and heater winding is all vertical with base plate.Above-mentioned micro-wave oven, by will the coiling plane of each coil be made vertical with base plate, reduces the lateral dimension of transformer, thus increases the distance of transformer and outer cover, reduce transformer produce the active force of magnetic field on outer cover, thus the vibration noise of reduction outer cover.
Description
Technical field
The utility model is involved in household appliance technical field, more specifically, relates to a kind of micro-wave oven.
Background technology
At present, micro-wave oven is widely used in the middle of the life of people as the apparatus of heat food.Microwave oven internal mainly utilizes traditional low-frequency transformer for powering to magnetron.Traditional low-frequency transformer is horizontal type transformer, and the coil of this horizontal transformation is parallel to transformer bottom surface and places, and causes transformer lateral dimension comparatively large, and microwave oven internal limited space, cause transformer distance microwave stove outer cover nearer.Transformer can produce the alternating magnetic field of 50Hz frequency in the course of the work, micro-wave oven outer cover is magnetic material, and outer cover is plane thin-wall sheet metal component, itself intrinsic frequency is close to 50Hz, by transformer action of alternating magnetic field, thus produce resonance, and transformer distance microwave stove outer cover is nearer, thus exacerbating the active force of magnetic field to micro-wave oven outer cover, noise aggravates.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of micro-wave oven.
A kind of micro-wave oven, comprises base plate, and outer cover and fixing transformer on which floor plate, this outer cover is arranged on which floor plate and this transformer established by cover.This transformer comprises the first magnetic core in E type, in flat second magnetic core, primary coil, secondary coil and heater winding, this second magnetic core is fixed on this first magnetic core, this secondary coil, this heater winding and this primary coil are located on the center pillar of this first magnetic core successively, and the coiling plane of the coiling plane of this secondary coil, the coiling plane of this primary coil and this heater winding is all vertical with this base plate.
Above-mentioned micro-wave oven, by will the coiling plane of each coil be made vertical with base plate, reduces the lateral dimension of transformer, thus increases the distance of transformer and outer cover, reduce transformer produce the active force of magnetic field on outer cover, thus the vibration noise of reduction outer cover.
In one embodiment, this outer cover comprises top board first side plate of separation in these top board both sides and the second side plate, and comparatively this second side plate is closer to transformer for this first side plate, and this first side plate is the side plate of the on-plane surface sheet metal structural with die mould.
In one embodiment, this micro-wave oven also comprises block rubber, and this block rubber is bonded on the inner surface of this sheet metal structural.
In one embodiment, this die mould is " M " type, " N " type, " mouth " type, " one " type, or one of the rule projection or groove structure of " S " type, or the combination of above-mentioned projection or groove.
In one embodiment, this die mould is irregular nonplanar projection or groove structure, or the combination of above-mentioned projection or groove.
In one embodiment, the power output end of the power output end of this secondary coil and this heater winding is positioned at the homonymy of this transformer, and the power output end of the power input of this primary coil and this secondary coil is positioned at the not homonymy of this transformer.
In one embodiment, this transformer also comprises transformer base, and this first magnetic core and this second magnetic core are fixed on this transformer base, and this transformer base is fixing on which floor plate by the mode that screw is fixing.
In one embodiment, this transformer base offers the first through hole, and this base plate offers groove and is positioned at the second through hole of this groove, and this transformer base is arranged on this groove, and this first through hole communicates with this second through hole.
In one embodiment, this micro-wave oven comprises header board and rear plate, this header board and this rear plate are connected to the two-phase dorsal part of this outer cover and are all connected with this base plate, this header board, this rear plate, this outer cover and this base plate form receiving space jointly, this micro-wave oven comprises the cavity, magnetron and the radiator fan that are positioned at this receiving space, this magnetron is fixed on this cavity, and this radiator fan to be fixed on this rear plate and for this magnetron and the blowing of this transformer.
In one embodiment, this micro-wave oven also comprises wind scooper, and this wind scooper is arranged between this magnetron and this radiator fan.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the part isometric decomposing schematic representation of the micro-wave oven of the utility model better embodiment.
Fig. 2 is the schematic cross-section of the micro-wave oven of Fig. 1.
Fig. 3 is the schematic perspective view of the transformer of the micro-wave oven of Fig. 1.
Fig. 4 is the decomposing schematic representation of the transformer of Fig. 3.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as that instruction or hint relative importance or hidden conjunction indicate the quantity of indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or hidden conjunction comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrically connected or can intercom mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate discussed various embodiment and/or relation between setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 ~ 4, the micro-wave oven 10 of the utility model better embodiment comprises base plate 102, outer cover 104, header board 106, rear plate 108, cavity 110, magnetron 112, transformer 114, radiator fan 116 and block rubber 118.
This outer cover 104, header board 106, rear plate 108, cavity 110, transformer 114 are fixed on base plate 102.This header board 106 and this rear plate 108 are connected to the two-phase dorsal part of this outer cover 104.This header board 106, this rear plate 108, this outer cover 104 and this base plate 102 form receiving space 120 jointly.Cavity 110, magnetron 112, transformer 114, radiator fan 116 and block rubber 118 are positioned at receiving space 120.
Header board 106 is fixed on base plate 102 by the mode that screw is fixing.Header board 106 has front panel 122, and front panel 122 comprises fire door 124, key zone 126 and viewing area 128.Fire door 124 is for closing or open cavity 110, and fire door 124 has door handle 130 to facilitate user to open or to close fire door 124.Key zone 126 and viewing area 128 are all arranged at the same side of door handle 130, key zone 126 provides function button to select to control the corresponding mode of operation of micro-wave oven 10 for user, viewing area 128 shows corresponding function and/or the heat time of active user's selection, user friendly duty of checking micro-wave oven 10.
Rear plate 108 is fixed on base plate 102 by the mode that screw is fixing, rear plate 108 offers multiple air vent 132, the air facilitating ambient temperature lower enters micro-wave oven 10 with the electrical equipment to micro-wave oven 10, as magnetron 112 and transformer 114 etc. dispel the heat.
Cavity 110 is for placing heating object, and fire door 124 is arranged on this cavity 110 rotationally.
This outer cover 104 is magnetic material and is
type, outer cover 104 is fixed on base plate 102 by the mode that screw is fixing.Outer cover 104 comprises top board 134 and first side plate 136 and second side plate 138 of separation in these top board 134 both sides, this first side plate 136 comparatively this second side plate 138 closer to transformer 114.This first side plate 136 is for having the side plate of the on-plane surface sheet metal structural of die mould 140.This die mould 140 is positioned at the first side plate 136 on the position of transformer 114.So, by increasing die mould 140 to change the intrinsic frequency of outer cover 104 near the side plate 136 of transformer 114, adjust its intrinsic frequency away from 50Hz, thus the resonance of frequency near the 50Hz of reduction transformer 114, decrease the vibrating noise of outer cover 104.
In present embodiment, this die mould 140 is the combination of protrusions of " M " type 142 and " one " type 144.Be appreciated that in other embodiments, die mould can be one of the rule projection or groove structure of " M " type, " N " type, " mouth " type, " one " type or " S " type, or the combination of above-mentioned projection or groove.In another other embodiment, this die mould is irregular nonplanar projection or groove structure, or the combination of above-mentioned projection or groove.
This magnetron 112 is fixed on this cavity 110, and magnetron 112 is for the microwave to the heating object radiation heating in cavity 110.
Transformer 114 is powered for giving magnetron 112, and transformer 114 is such as fixed on base plate 102 by the mode that screw is fixing.Particularly, this transformer 114 comprise transformer base 146, the first magnetic core 148 in E type, in flat second magnetic core 150, primary coil 152, secondary coil 154 and heater winding 156.Arranging of transformer base 146 facilitates transformer 114 to be arranged on base plate 102.
This first magnetic core 148 and this second magnetic core 150 are fixed on transformer base 146.Transformer base 146 is roughly square tabular, it offers the first through hole 158 and offers four installing holes 160 in the corner location of transformer base 146 in the centre position of transformer base 146, screw (not shown) can pass installing hole 160 and the screw (not shown) corresponding with on base plate 102 combines and be fixed on base plate 102 by transformer 114.First through hole 158 be provided with the heat radiation being beneficial to transformer 114.
In the position corresponding with transformer 114 base of base plate 102, base plate 102 offers groove 162 and is positioned at the second through hole 164 of this groove 162, and this transformer base 146 is arranged on this groove 162, and this first through hole 158 communicates with this second through hole 164.The heat of transformer 114 gives out micro-wave oven 10 outside by the first through hole 158 and the second through hole 164, and the setting of groove 162 increases the flow of air, is more conducive to the heat radiation of transformer 114.
First magnetic core 148 has diapire 166 and the two side columns 168 that is fixed on diapire 166 and center pillar 170, and two side columns 168 is fixed on the opposing both sides on diapire 166, center pillar 170 be fixed on diapire 166 centre position and between two side columns 168.
This second magnetic core 150 is fixed on this first magnetic core 148, and such as the second magnetic core 150 is fixed on the first magnetic core 148 by welding method.This second magnetic core 150 is connected the magnetic core group of common formation " day " font with this first magnetic core 148, and the magnetic core group of being somebody's turn to do " day " font is fixed on transformer base 146 by the mode of such as welding.
This secondary coil 154, this heater winding 156 and this primary coil 152 are located on the center pillar 170 of this first magnetic core 148 successively, namely from transformer 114 viewed from power input 172 side of primary coil 152, be followed successively by by left-to-right: the first magnetic core 148, secondary coil 154, heater winding 156, primary coil 152 and the second magnetic core 150.
Secondary coil 154, heater winding 156 and primary coil 152 are flat cuboid, and the coiling plane of the coiling plane of this secondary coil 154, the coiling plane of this primary coil 152 and this heater winding 156 is all vertical with this base plate 102.The power output end 174 of this secondary coil 154 and the power output end 176 of this heater winding 156 are positioned at the homonymy of this transformer 114, and power input 172 and the power output end 174 of this secondary coil 154 of this primary coil 152 are positioned at the not homonymy of this transformer 114.So be provided with the layout being beneficial to electric wire in micro-wave oven 10.The power output end 174 of this secondary coil 154 and the power output end 176 of this heater winding 156 are connected with magnetron 112, export different voltage respectively for magnetron 112.
This block rubber 118 is bonded on the outer surface of this transformer 114 and the inner surface of this outer cover 104 with connection transformer 114 and outer cover 104.Particularly, this block rubber 118 is such as bonded on the outer surface of this second magnetic core 150 and the inner surface of this first side plate 136 by double faced adhesive tape, particularly be bonded on the inner surface of this sheet metal structural with die mould 140, further can suppress the vibration amplitude of outer cover 104.
This radiator fan 116 to be fixed on rear plate 108 and for drying to this magnetron 112 and this transformer 114.Particularly, radiator fan 116 is arranged on the position that rear plate 108 offers air vent 132.During operation, radiator fan 116 blows to magnetron 112 and transformer 114 to dispel the heat to magnetron 112 and transformer 114 through air vent 132 from the extraneous exhausting of micro-wave oven 10.
This micro-wave oven 10 also comprises wind scooper 178, and this wind scooper 178 is arranged between this magnetron 112 and this radiator fan 116, and for more air quantity is delivered to magnetron 112, cooling magnetron 112, ensure that the reliability that magnetron 112 works long hours in time.
Above-mentioned micro-wave oven 10, by will the coiling plane of each coil be made vertical with base plate 102, reduce the lateral dimension of transformer 114, transformer 114 lateral dimension A controls within 85mm, thus increase the distance B (distance B is greater than 20mm) of transformer 114 and outer cover 104, reduce transformer 114 produce the active force of magnetic field on outer cover 104, thus reduce the vibration noise of outer cover 104.Further, block rubber 118 can reduce the vibration amplitude of outer cover 104, reduces the vibration noise of outer cover 104 further.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a micro-wave oven, comprise base plate, outer cover and fixing transformer on which floor plate, this outer cover is arranged on which floor plate and this transformer established by cover, it is characterized in that, this transformer comprises the first magnetic core in E type, in flat second magnetic core, primary coil, secondary coil and heater winding, this second magnetic core is fixed on this first magnetic core, this secondary coil, this heater winding and this primary coil are located on the center pillar of this first magnetic core successively, the coiling plane of this secondary coil, the coiling plane of this primary coil and the coiling plane of this heater winding all vertical with this base plate.
2. micro-wave oven as claimed in claim 1, it is characterized in that, this outer cover comprises top board first side plate of separation in these top board both sides and the second side plate, and comparatively this second side plate is closer to transformer for this first side plate, and this first side plate is the side plate of the on-plane surface sheet metal structural with die mould.
3. micro-wave oven as claimed in claim 2, it is characterized in that, this micro-wave oven also comprises block rubber, and this block rubber is bonded on the inner surface of this sheet metal structural.
4. micro-wave oven as claimed in claim 2, it is characterized in that, this die mould is " M " type, " N " type, " mouth " type, " one " type, or one of the rule projection or groove structure of " S " type, or the combination of above-mentioned projection or groove.
5. micro-wave oven as claimed in claim 2, it is characterized in that, this die mould is irregular nonplanar projection or groove structure, or the combination of above-mentioned projection or groove.
6. micro-wave oven as claimed in claim 1, it is characterized in that, the power output end of the power output end of this secondary coil and this heater winding is positioned at the homonymy of this transformer, and the power output end of the power input of this primary coil and this secondary coil is positioned at the not homonymy of this transformer.
7. micro-wave oven as claimed in claim 1, it is characterized in that, this transformer also comprises transformer base, and this first magnetic core and this second magnetic core are fixed on this transformer base, and this transformer base is fixing on which floor plate by the mode that screw is fixing.
8. micro-wave oven as claimed in claim 7, it is characterized in that, this transformer base offers the first through hole, and this base plate offers groove and is positioned at the second through hole of this groove, and this transformer base is arranged on this groove, and this first through hole communicates with this second through hole.
9. micro-wave oven as claimed in claim 1, it is characterized in that, this micro-wave oven comprises header board and rear plate, this header board and this rear plate are connected to the two-phase dorsal part of this outer cover and are all connected with this base plate, this header board, this rear plate, this outer cover and this base plate form receiving space jointly, this micro-wave oven comprises the cavity, magnetron and the radiator fan that are positioned at this receiving space, and this magnetron is fixed on this cavity, and this radiator fan to be fixed on this rear plate and for this magnetron and the blowing of this transformer.
10. micro-wave oven as claimed in claim 9, it is characterized in that, this micro-wave oven also comprises wind scooper, and this wind scooper is arranged between this magnetron and this radiator fan.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420679200.XU CN204240429U (en) | 2014-11-13 | 2014-11-13 | Micro-wave oven |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420679200.XU CN204240429U (en) | 2014-11-13 | 2014-11-13 | Micro-wave oven |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204240429U true CN204240429U (en) | 2015-04-01 |
Family
ID=52769918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420679200.XU Expired - Fee Related CN204240429U (en) | 2014-11-13 | 2014-11-13 | Micro-wave oven |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204240429U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373970A (en) * | 2014-11-13 | 2015-02-25 | 广东美的厨房电器制造有限公司 | Microwave oven |
CN105042655B (en) * | 2015-08-07 | 2018-09-11 | 美的集团股份有限公司 | Housing unit and micro-wave oven for micro-wave oven |
CN112741484A (en) * | 2020-12-29 | 2021-05-04 | 广东美的厨房电器制造有限公司 | Cooking device |
-
2014
- 2014-11-13 CN CN201420679200.XU patent/CN204240429U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104373970A (en) * | 2014-11-13 | 2015-02-25 | 广东美的厨房电器制造有限公司 | Microwave oven |
CN105042655B (en) * | 2015-08-07 | 2018-09-11 | 美的集团股份有限公司 | Housing unit and micro-wave oven for micro-wave oven |
CN112741484A (en) * | 2020-12-29 | 2021-05-04 | 广东美的厨房电器制造有限公司 | Cooking device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8350194B2 (en) | Cooking apparatus and heating device including working coils thereof | |
CN204240429U (en) | Micro-wave oven | |
CN102038435A (en) | Heater usable with cooker, manufacturing method thereof and cooker | |
CN203693249U (en) | Cooker body of electric rice cooker and electric rice cooker | |
CN201992709U (en) | Ultrathin electromagnetic oven | |
CN100548079C (en) | induction heating cooker | |
US12027987B2 (en) | Electronic transformer and a microwave cooking appliance | |
CN104373970A (en) | Microwave oven | |
CN204240427U (en) | Micro-wave oven | |
CN205125996U (en) | Microwave oven | |
KR102175628B1 (en) | Assembly for clamping top plate to induction range body | |
CN203869197U (en) | Outdoor unit of air conditioner | |
KR101534511B1 (en) | Complex Case for induction ranges | |
CN105042655B (en) | Housing unit and micro-wave oven for micro-wave oven | |
CN108365763B (en) | Electronic transformer and microwave cooking appliance | |
CN205849236U (en) | Electromagnetic rice cooker | |
CN206612665U (en) | Coil panel component and electric pressure cooking saucepan | |
CN204240431U (en) | Micro-wave oven | |
CN203771485U (en) | Microwave oven | |
CN205508567U (en) | Transformer | |
US11519608B2 (en) | Embossed feature for cooktop assembly | |
CN204786616U (en) | Dual -purpose electromagnetism stove | |
CN207136734U (en) | Split type electric rice cooker | |
EP4006431B1 (en) | Electric cooktop | |
CN205137571U (en) | Microwave oven |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |