CN209371328U - Electromagnetic oven - Google Patents
Electromagnetic oven Download PDFInfo
- Publication number
- CN209371328U CN209371328U CN201822146678.7U CN201822146678U CN209371328U CN 209371328 U CN209371328 U CN 209371328U CN 201822146678 U CN201822146678 U CN 201822146678U CN 209371328 U CN209371328 U CN 209371328U
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- positive terminal
- negative terminal
- connecting portion
- wire connecting
- electromagnetic oven
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- 238000002955 isolation Methods 0.000 claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 26
- 230000003014 reinforcing effect Effects 0.000 description 13
- 241000883990 Flabellum Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model provides an induction cooker, which comprises a bottom shell (1), a circuit board (3) and a power line (5) electrically connected with the circuit board (3); the circuit board (3) is positioned in the bottom shell (1), the power line (5) is provided with a positive terminal (51) and a negative terminal (52), the positive terminal (51) and the negative terminal (52) are respectively electrically connected with the circuit board (3), and the power line further comprises an isolation protection structure which is arranged between the positive terminal (51) and the negative terminal (52) and used for isolating the positive terminal (51) and the negative terminal (52), so that the problem that the positive terminal and the negative terminal are touched is not worried about when in connection, and the cost of the circuit board is not increased.
Description
Technical field
The utility model relates to field of home appliance technology more particularly to a kind of electromagnetic ovens.
Background technique
Electromagnetic oven has many advantages, such as to heat quick, the flames of anger, smoke dust, safe ready, increasingly by the blueness of consumer
It looks at and approves.
Electromagnetic oven specifically includes that bottom case, power supply line, coil panel, circuit board, cooling fan and the face on bottom case
Plate.Coil panel, circuit board and cooling fan are located in the inner cavity of bottom case, power supply line and circuit board electrical connection, that is, the one of power supply line
End is connect with circuit board, and the other end of power supply line with external power supply for connecting, to be powered for electromagnetic oven.Wherein, power supply line
The one end being connect with circuit board have positive terminal and negative terminal, positive terminal and negative terminal are connected to circuit board
Positive terminal position and negative terminal position on.
However, due in the electromagnetic oven of the prior art, between the positive terminal position on circuit board and negative terminal position
Distance it is closer, cause when assembling electromagnetic oven, that is, the positive terminal of power supply line and negative terminal are being connected to circuit board
Be easy to encounter when upper, between positive terminal and negative terminal and short circuit occur or generates electric arc, to damage electromagnetic oven, to
Cause certain injury in family；If but farther out by the setting of the distance between positive terminal position and negative terminal position, not only
Operation difficulty is increased in connection, and inevitably circuit board is caused to increase, and then increase the cost of circuit board.
Utility model content
In order to solve the problems, such as at least one mentioned in background technique, the utility model provides a kind of electromagnetic oven, can keep away
Exempt from the case where positive terminal of power supply line and negative terminal are encountered in assembly, and does not have to increasing circuit plate.
To achieve the goals above, the utility model provides a kind of electromagnetic oven, including bottom case, circuit board and with the electricity
The power supply line of road plate electrical connection；The circuit board is located in the bottom case, and the power supply line has positive terminal and negative terminal,
The positive terminal and the negative terminal further include being arranged in the positive terminal and institute respectively with the circuit board electrical connection
State the insulation blocking structure for separating the positive terminal and the negative terminal between negative terminal.
The electromagnetic oven of the utility model, by the way that the insulation blocking knot for separating positive terminal and negative terminal is arranged
Structure, thus when connecting on circuit boards positive terminal with negative terminal, without worrying that positive terminal and negative terminal are encountered
Or the problem appearance that interval is too close, the appearance of short circuit phenomenon and electric arc is effectively avoided, and due to insulation blocking structure
Presence so that between the positive terminal position on circuit board and negative terminal position do not have to arrangement it is too far, thus do not have to increase
Large circuit board, is increased without the cost of circuit board, and makes installation operation simpler, improves assembly efficiency.
Optionally, the insulation blocking structure includes the isolation between the positive terminal and the negative terminal
Plate.
Positive terminal and negative terminal are effectively isolated by isolation board realization, structure is simple and easy to make.
Optionally, the plane where the top of the isolation board is not less than where the positive terminal and the negative terminal
Plane.
Setting can be further ensured that the isolation effect between two terminals in this way.
Optionally, the isolation board is arranged on the bottom wall of the bottom case.
By the way that isolation board to be arranged on the bottom wall of bottom case, so that structure design comparison is reasonable, isolation board will not be to other
Component causes to interfere, and comparison is convenient.
Optionally, the isolation board and the bottom case integrated injection molding.
In this way when making bottom case, while it being integrally formed isolation board on bottom case, makes subsequent easier for installation.
Optionally, the isolation board is bonded on the bottom case；
Alternatively, the isolation board is connected on the bottom case.
Optionally, the isolation board is plastic plate or micarex or ceramic wafer.
It can be further ensured that isolation effect in this way, and the cost of manufacture of isolation board is lower.
Optionally, there is positive terminal wire connecting portion and negative terminal wire connecting portion, the positive terminal connects on the circuit board
It connects in the positive terminal wire connecting portion, the negative terminal is connected in the negative terminal wire connecting portion.
By setting positive terminal wire connecting portion and negative terminal wire connecting portion, so that the connection between power supply line and circuit board is more
Add conveniently.
Optionally, the vertical range between the positive terminal wire connecting portion and the negative terminal wire connecting portion is not less than 5mm.
Not only meet safety requirement in this way, and further ensure the isolation effect between two terminals,
Optionally, the positive terminal is welded in the positive terminal wire connecting portion, and the negative terminal is welded on described
In negative terminal wire connecting portion；
Alternatively, the positive terminal is plugged in the positive terminal wire connecting portion, the negative terminal is plugged on described negative
In extremely sub- wire connecting portion；
Alternatively, the positive terminal is connected in the positive terminal wire connecting portion by screw fastener, the negative pole end
Son is connected in the negative terminal wire connecting portion by screw fastener.
Optionally, the positive terminal includes first annular, and the positive terminal wire connecting portion has the first mounting surface, institute
First annular is stated to be connected on first mounting surface；
The negative terminal include the second ring segment, the negative terminal wire connecting portion have the second mounting surface, described second
Ring segment is connected on second mounting surface.
By setting ring segment and mounting surface, so that the connection between power supply line and circuit board is more convenient and reliable.
The construction of the utility model and its other purposes and beneficial effect will be in conjunction with the accompanying drawings to preferred realities
Apply the description of example and more obvious and easy to understand.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the side block diagram for the electromagnetic oven that an embodiment of the present invention provides；
Fig. 2 is when being equipped with cooling fan, circuit board in the bottom case of electromagnetic oven that an embodiment of the present invention provides
Overlooking structure figure；
Fig. 3 is the schematic enlarged-scale view in Fig. 2 at I；
Fig. 4 is when being equipped with cooling fan, circuit board in the bottom case of electromagnetic oven that an embodiment of the present invention provides
Three-dimensional structure diagram；
Fig. 5 is the schematic enlarged-scale view in Fig. 4 at I.
Description of symbols:
1-bottom case；
11-air inlet holes；
12-exhaust vents；
13-reinforcing ribs；
10-operation knobs；
2-panels；
3-circuit boards；
31-positive terminal wire connecting portions；
311-the first mounting surface；
32-negative terminal wire connecting portions；
321-the second mounting surface；
4-cooling fans；
41-flabellums；
42-fan supporters；
5-power supply lines；
51-positive terminals；
511-first annular；
52-negative terminals；
521-the second ring segment；
6-isolation boards；
60-tops；
H-distance.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is the side block diagram for the electromagnetic oven that an embodiment of the present invention provides；Fig. 2 is the implementation of the utility model one
Overlooking structure figure when cooling fan, circuit board is installed in the bottom case for the electromagnetic oven that example provides；Fig. 3 is the structure in Fig. 2 at I
Enlarged drawing；Standing when being equipped with cooling fan, circuit board in the bottom case for the electromagnetic oven that Fig. 4 provides for an embodiment of the present invention
Body structure chart；Fig. 5 is the schematic enlarged-scale view in Fig. 4 at I.Referring to figs. 1 to shown in Fig. 5, the present embodiment provides a kind of electromagnetic ovens.
The electromagnetic oven is specific can include: bottom case 1, panel 2, power supply line 5, the coil panel in bottom case 1 (do not show in figure
Out), circuit board 3 and cooling fan 4.Wherein, panel is located at the top of bottom case 1, and panel can be ceramic panel, be also possible to
Glass panel, the utility model are not construed as limiting the material of panel 2.
Coil panel specifically may include coil plate rail and the coil that is wound around on coil plate rail, and coil is electrically connected with circuit board 3
It connects.In electromagnetic oven work, coil panel and circuit board 3 are main heater element, and cooling fan 4 is used to be coil panel and electricity
The heater elements such as road plate 3 radiate.
In the present embodiment, bottom case 1 is specially circle, and circuit board 3 is located at the side of cooling fan 4, and coil panel is located at electricity
The top of road plate 3 and cooling fan 4, that is, the arrangement of the main device of the present embodiment is eclipsed form arrangement.Certainly, in other realizations
In mode, bottom case 1 or rectangular bottom case, circuit board 3 and coil panel can also flow out direction positioned at the air-flow of cooling fan 4
Side, wherein circuit board 3 can be disposed around the periphery of coil panel.
Operation knob 10 can be specifically set on bottom case 1, electromagnetic oven can be realized by operating the operation knob 10
Unlatching, closing, the adjustment of heating power, the adjustment of heating time, selection of mode etc..It wherein, can also be by the operation knob
10 replace with key, for example, touch key-press or mechanical key, equally can be achieved above-mentioned function.In the present embodiment, operation rotation
Button 10 is specifically located on the side wall of bottom case 1.Certainly, operation knob 10 or key also can be set on panel 2.
Wherein, power supply line 5 is electrically connected with circuit board 3, and specifically, one end of power supply line 5 is connect with circuit board 3, power supply line 5
The other end extend out to outside bottom case 1, for being connect with external power supply.For example, the other end of power supply line has plug, using
When electromagnetic oven is cooked, the plug of the other end of power supply line 5 is plugged on external power receptacle, can be powered for electromagnetic oven.Its
In, the one end of power supply line 5 connecting with circuit board 3 has positive terminal 51 and negative terminal 52, it is to be understood that power supply line
5 include positive wire and negative wire, and positive terminal 51 is connected to the end of positive wire, and negative terminal 52 is connected to cathode and draws
The end of line.There is positive terminal position and negative terminal position on circuit board 3, it, will when connecting power supply line 5 and circuit board 3
Positive terminal 51 is correspondingly connected in positive terminal position, and negative terminal 52 is correspondingly connected in negative terminal position, to realize
Being electrically connected between circuit board 3 and power supply line 5.
When being cooked using electromagnetic oven, the cookware for being loaded with food materials is placed on the panel 2 of electromagnetic oven, it is logical to electromagnetic oven
Electricity, that is, the electric current for having high frequency flow through coil on coil panel, and the magnetic force line cutting cookware of generation forms nothing in the bottom surface of cookware
The small vortex of number, to be heated to cookware.
However, due in the electromagnetic oven of the prior art, between the positive terminal position on circuit board and negative terminal position
Distance it is closer, cause when assembling electromagnetic oven, that is, the positive terminal of power supply line and negative terminal are being connected to circuit board
Be easy to encounter when upper, between positive terminal and negative terminal and short circuit occur or generates electric arc, to damage electromagnetic oven, to
Cause certain injury in family；If but farther out by the setting of the distance between positive terminal position and negative terminal position, not only
Operation difficulty is increased in connection, and inevitably circuit board is caused to increase, leads to circuit board increased costs.It is based on
This, the electromagnetic oven of the present embodiment further include: be arranged between positive terminal 51 and negative terminal 52 and be used for positive terminal 51
The insulation blocking structure separated with negative terminal 52.
That is, be effectively spaced apart positive terminal 51 and negative terminal 52 by insulation blocking structure, by positive terminal
When son 51 and negative terminal 52 are connected on circuit board 3, encounter without worry positive terminal 51 and negative terminal 52 or be spaced too
Close problem occurs, and effectively avoids the appearance of short circuit phenomenon and electric arc, and due to the presence of insulation blocking structure, make
It obtains and does not have to the too far of arrangement between the positive terminal position and negative terminal position on circuit board 3, to not have to increasing circuit plate
3, it is increased without the cost of circuit board 3, and make installation operation simpler, improves assembly efficiency.
Wherein, air inlet hole 11 and exhaust vent 12, cooling wind when electromagnetic oven works, outside electromagnetic oven are offered on bottom case 1
Enter in bottom case 1 under the action of cooling fan 4 from air inlet hole 11, then blows to the heater elements such as coil panel, circuit board 3, it will
The heat of heater element is taken away, and then hot wind is blown out from exhaust vent 12 to electromagnetic oven, to realize the heat dissipation of electromagnetic oven.
Insulated gate bipolar transistor (Insulated Gate Bipolar is typically provided on circuit board 3
Transistor, abbreviation IGBT) and the electronic components such as rectifier bridge stack, IGBT and rectifier bridge stack fever are very big, therefore in order to electricity
Road plate 3 is preferably radiated, and radiator can also be arranged, and radiator is contacted with the electronic component on circuit board 3, electronic component
The heat of sending is quickly transferred to radiator, is distributed heat by radiator.
In the present embodiment, air inlet hole 11 is specifically provided on the bottom wall of bottom case 1, and is correspondingly arranged at cooling fan 4
Underface.Exhaust vent 12 is specifically provided on the side wall of bottom case 1, that is, the electromagnetic oven of the present embodiment is formed as bottom inlet side and goes out
The structure of wind.Certainly, in other implementations, air inlet hole 11 also be can be set on the side wall of bottom case 1, and exhaust vent 12 can also
To be arranged on the bottom wall of bottom case 1.The utility model is not especially limited this.
Cooling fan 4 is specific can include: fan supporter 42 and flabellum 41 have rotor on fan supporter 42, flabellum 41 with
Rotor connection.After installing cooling fan 4, fan supporter 42 is located above, and flabellum 41 is located below.Certainly, it radiates
Blower 4 also may include flabellum 41 and the fan shroud for being located at 41 periphery of flabellum.
In the present embodiment, cooling fan 4 is specifically as follows lower-cost axial flow blower, for example, under cooling fan 4
Surface is formed as air intake surface, and the upper surface of cooling fan 4 is formed as outlet air surface.Certainly, in other implementations, cooling fan
4 may be centrifugal blower, for example, the lower surface of cooling fan 4 is formed as air intake surface, wind is blown from the outer edge of cooling fan 4
Out.
When specific implementation, there is positive terminal wire connecting portion 31 and negative terminal wire connecting portion 32 on circuit board 3, it is possible to understand that
It is that positive terminal wire connecting portion 31 is located on positive terminal position, negative terminal wire connecting portion 32 is located on negative terminal position.Anode
Terminal 51 is specifically connected in positive terminal wire connecting portion 31, and negative terminal 52 is specifically connected in negative terminal wire connecting portion 32.It is logical
Setting positive terminal wire connecting portion 31 and negative terminal wire connecting portion 32 are crossed, so that the connection between power supply line 5 and circuit board 3 is more square
Just and reliably.
It should be noted that positive terminal wire connecting portion 31 and negative terminal can also be not provided in other implementations
Wire connecting portion 32, but positive terminal 51 is directly welded on positive terminal position, negative terminal 52 is directly welded at cathode and connects
On line position.
It is more preferred, the vertical range h between positive terminal wire connecting portion 31 and negative terminal wire connecting portion 32 can be made not small
In 5mm, not only meet safety requirement in this way, and further ensures the isolation effect between two terminals.Referring to shown in Fig. 3,
Vertical range h refer between positive terminal wire connecting portion 31 and two sides close to each other of negative terminal wire connecting portion 32 away from
From.
In the present embodiment, positive terminal 51 specifically includes first annular 511, and positive terminal wire connecting portion 31 has first
Mounting surface 311, when specific implementation, first annular 511 one end has sleeve, the positive wire pressure of power supply line can be set or
Person is set on sleeve.Illustratively, positive terminal wire connecting portion 31 specifically can be in door frame shaped comprising two vertically arranged branch
Support side wall and the first mounting surface 311 being connected between at the top of two supporting side walls, wherein first annular 511 specifically connects
It connects on the first mounting surface 311.In the present embodiment, positive terminal 51 is connected to positive terminal wire connecting portion by screw fastener
On 31, specifically, correspondence first annular 511 annular region of the first mounting surface 311 offers screw hole, and positive terminal 51 is logical
It crosses and is threaded through first annular 511 and is connected with the screw in the screw hole of the first mounting surface 311.
Wherein, negative terminal 52 specifically may include the second ring segment 521, and negative terminal wire connecting portion 32 has the second mounting surface
321.When specific implementation, one end of the second ring segment 521 has sleeve, the cathode conductor pressure of power supply line can be set or is arranged
On sleeve.Illustratively, negative terminal wire connecting portion 32 specifically can be in door frame shaped, including two vertically arranged supporting side walls with
And it is connected to the second mounting surface 321 between at the top of two supporting side walls, wherein the second ring segment 521 is specifically connected to second
On mounting surface 321.In the present embodiment, negative terminal 52 is connected in negative terminal wire connecting portion 32 by screw fastener, tool
Body, the annular region of the second ring segment of correspondence 521 of the second mounting surface 321 offers screw hole, and negative terminal 52 is by wearing
It is connected in the second ring segment 521 with the screw in the screw hole of the second mounting surface 321.
Wherein, the concrete shape of positive terminal 51 and negative terminal 52 is not limited to this.It should be noted that at it
In his implementation, positive terminal 51 can also be directly welded on positive terminal interconnecting piece 31, alternatively, 51 grafting of positive terminal
(for example positive terminal 51 is male plug, and positive terminal interconnecting piece 31 is female plug), the utility model on positive terminal interconnecting piece 31
It is not limited to this.Negative terminal 52 can also be directly welded on negative terminal interconnecting piece 32, alternatively, negative terminal 52 is plugged on
On negative terminal interconnecting piece 32 (for example negative terminal 52 is male plug, and negative terminal interconnecting piece 32 is female plug), the utility model is simultaneously
It is without being limited thereto.
In the present embodiment, insulation blocking structure specifically includes: between positive terminal 51 and negative terminal 52 every
From plate 6.Being effectively isolated to positive terminal 51 and negative terminal 52 is realized by isolation board 6, and structure is simple and easy to make.
Wherein, isolation board 6 specifically can be plastic plate micarex or ceramic wafer, not only isolation effect
It is good, and cost of manufacture is lower, the utility model is not limited to this material of isolation board 6.
In the present embodiment, isolation board 6 is specifically located on bottom case 1.More preferred, isolation board 6 is specifically located at bottom
On the bottom wall of shell 1.By the way that isolation board 6 to be arranged on the bottom wall of bottom case 1, so that structure design comparison is reasonable, isolation board 6 will not
Other component in bottom case is caused to interfere, and comparison is convenient.Certainly, in other implementations, isolation board 6 can also be with
It is arranged on the inner sidewall of bottom case 1, extends between two terminal connections positions.
When specific implementation, isolation board 6 and 1 integrated injection molding of bottom case can be made.That is, when bottom case 1 is plastic pan,
When making bottom case 1, while isolation board 6 is integrally formed on bottom case 1, so that subsequent easier for installation.
Isolation board 6 is particularly located between positive terminal wire connecting portion 31 and negative terminal wire connecting portion 32, in this way when by positive terminal
Son 51 is connected in positive terminal wire connecting portion 31, when negative terminal 52 is connected in negative terminal wire connecting portion 32, due to isolation
The buffer action of plate 6 increases the creepage distance between two terminals, can effectively prevent positive terminal 51 and negative terminal 52 it
Between be in contact or the too close situation of distance occurs.
In other implementations, isolation board 6 can also be bonded on bottom case 1, for example, passing through silicone adhesive for isolation board 6
It is fixed on bottom case 1.Alternatively, isolation board 6 can also be connected on bottom case 1, for example, the bottom end of isolation board 6 has card convex, bottom case
There is the card slot being caught in for card convex on 1 bottom wall.
Certainly, isolation board 6 also can be arranged directly on circuit board 3, and specifically, isolation board 6 is located on circuit board 3 just
Between extremely sub- wire connecting portion 31 and negative terminal wire connecting portion 32.
Wherein it is possible to which the plane where making the top 60 of isolation board 6 is not less than where positive terminal 51 and negative terminal 52
Plane.Setting can be further ensured that being effectively isolated between two terminals in this way.
After installing, general positive terminal 51 and negative terminal 52 are in the same plane, the top 60 of isolation board 6
The plane at place need to be higher than the plane where positive terminal 51 and negative terminal 52, alternatively, at least with positive terminal 51 and cathode
Plane where terminal 52 is concordant.When positive terminal 51 and negative terminal 52 are located in Different Plane, for example, positive terminal 51
Place face is higher than 52 place face of negative terminal, and the plane where the top 60 of isolation board 6 is preferably not below where positive terminal 51
Face.
In addition, insulation blocking structure also may include that the close of positive terminal 51 is arranged in bear in other implementations
The isolation bar of 52 sides of extreme son, alternatively, insulation blocking structure includes the close positive terminal 51 1 that negative terminal 52 is arranged in
The isolation bar of side prevents the two from encountering as long as can be effectively isolated between positive terminal 51 and negative terminal 52.
Wherein, bottom case 1 is specific can include: lower cover and the upper cover above lower cover.In the present embodiment, lower cover is specific
For cavity body structure, upper cover can be frame shape lid.The side wall of lower cover is formed as at least partly side wall of bottom case 1, and exhaust vent 12 is specific
It is provided on the side wall of lower cover.It is of course also possible to be, upper cover includes side wall, and the side wall of upper cover is formed as bottom case 1 at least partly
Side wall, in that case, exhaust vent 12 can be specifically provided on the side wall of upper cover.Alternatively, bottom case 1 includes upper cover body, middle cover
Body and lower cover, the side wall of middle lid are formed as at least partly side wall of bottom case 1, and in that case, exhaust vent 12 specifically may be used
It is provided on the side wall of lid.
In the present embodiment, air inlet hole 11 is specially multiple, and multiple air inlet holes 11 are intervally arranged on the bottom wall of bottom case 1,
For example, multiple air inlet holes 11 are radially arranged.Air inlet hole 11 can be bar shaped, or the shapes such as circle.Exhaust vent 12
Specially multiple, multiple exhaust vents 12 are intervally arranged on the side wall of bottom case 1, for example, side wall of the multiple exhaust vents 12 along bottom case 1
It is intervally arranged into grid-like, not only ensure that the smoothness of outlet air, but also improve the aesthetic appearance of electromagnetic oven.
Further, in order to which the structural strength for improving bottom case 1 is additionally provided on the inner sidewall of bottom case 1 in the present embodiment
The reinforcing rib 13 protruded towards the interior cavity direction of bottom case 1.By the way that reinforcing rib 13 is arranged, the structural strength of bottom case 1 is improved, especially
It is the structural strength for improving 1 side wall of bottom case, reinforcing rib 13 can be specifically set between two adjacent exhaust vents 12.
When specific implementation, reinforcing rib 13 can be integrally formed with bottom case 1, for example, infusing when bottom case 1 is plastic pan
While moulding bottom case 1, integrated injection molding forms reinforcing rib 13 on the inner wall of bottom case 1.Certainly, reinforcing rib 13 be also possible to it is subsequent again
It is mounted on the inner sidewall of bottom case 1.Wherein, reinforcing rib 13 specifically can be strip muscle, and reinforcing rib 13 can be along the side of bottom case 1
Extend in the short transverse of wall.
It is more preferred, reinforcing rib 13 can be made to be obliquely installed along the rotation direction of the flabellum 41 of cooling fan 4.Due to bottom case
1 cooling air-flow is swirling eddy, is obliquely installed by the rotation direction by reinforcing rib 13 along cooling fan 4, so that reinforcing rib
13 while playing reinforcement 1 intensity of bottom case, make reinforcing rib 13 that gear will not be caused to set to swirling eddy, reinforcing rib 13 can be to rotation
Good guiding role is played in the flowing for turning air-flow, accelerates the air flow rate in electromagnetism furnace chamber, makes inside and outside electromagnetic oven
The exchange of cold-hot wind is quicker, improves the radiating efficiency of electromagnetic oven.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of electromagnetic oven, including bottom case (1), circuit board (3) and the power supply line (5) being electrically connected with the circuit board (3)；Institute
It states circuit board (3) to be located in the bottom case (1), the power supply line (5) has positive terminal (51) and negative terminal (52), described
Positive terminal (51) and the negative terminal (52) are electrically connected with the circuit board (3) respectively, which is characterized in that further include setting
It is used between the positive terminal (51) and the negative terminal (52) by the positive terminal (51) and the negative pole end
The insulation blocking structure that sub (52) separate.
2. electromagnetic oven according to claim 1, which is characterized in that the insulation blocking structure includes being located at the positive terminal
Isolation board (6) between sub (51) and the negative terminal (52).
3. electromagnetic oven according to claim 2, which is characterized in that the plane where the top (60) of the isolation board (6)
Not less than the plane where the positive terminal (51) and the negative terminal (52).
4. electromagnetic oven according to claim 2, which is characterized in that bottom of isolation board (6) setting in the bottom case (1)
On wall.
5. electromagnetic oven according to claim 2, which is characterized in that the isolation board (6) and the bottom case (1) integrated injection molding
Molding；
Alternatively, the isolation board (6) is bonded on the bottom case (1)；
Alternatively, the isolation board (6) is connected on the bottom case (1).
6. electromagnetic oven according to claim 2, which is characterized in that the isolation board (6) be plastic plate or micarex or
Person's ceramic wafer.
7. electromagnetic oven according to any one of claims 1 to 6, which is characterized in that have positive terminal on the circuit board (3)
Sub- wire connecting portion (31) and negative terminal wire connecting portion (32)；
The positive terminal (51) is connected on the positive terminal wire connecting portion (31), and the negative terminal (52) is connected to described
In negative terminal wire connecting portion (32).
8. electromagnetic oven according to claim 7, which is characterized in that the positive terminal wire connecting portion (31) and the negative pole end
Vertical range (h) between sub- wire connecting portion (32) is not less than 5mm.
9. electromagnetic oven according to claim 7, which is characterized in that the positive terminal (51) is welded on the positive terminal
In wire connecting portion (31), the negative terminal (52) is welded on the negative terminal wire connecting portion (32)；
Alternatively, the positive terminal (51) is plugged on the positive terminal wire connecting portion (31), negative terminal (52) grafting
On the negative terminal wire connecting portion (32)；
Alternatively, the positive terminal (51) is connected on the positive terminal wire connecting portion (31) by screw fastener, it is described negative
Extreme son (52) is connected on the negative terminal wire connecting portion (32) by screw fastener.
10. electromagnetic oven according to claim 7, which is characterized in that the positive terminal (51) includes first annular
(511), the positive terminal wire connecting portion (31) has the first mounting surface (311), and first annular (511) are connected to described
On first mounting surface (311)；
The negative terminal (52) includes the second ring segment (521), and the negative terminal wire connecting portion (32) has the second mounting surface
(321), second ring segment (521) is connected on second mounting surface (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146678.7U CN209371328U (en) | 2018-12-20 | 2018-12-20 | Electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146678.7U CN209371328U (en) | 2018-12-20 | 2018-12-20 | Electromagnetic oven |
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| CN209371328U true CN209371328U (en) | 2019-09-10 |
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| CN201822146678.7U Active CN209371328U (en) | 2018-12-20 | 2018-12-20 | Electromagnetic oven |
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| CN (1) | CN209371328U (en) |
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