CN207555666U - Circuit board and electromagnetism stove - Google Patents
Circuit board and electromagnetism stove Download PDFInfo
- Publication number
- CN207555666U CN207555666U CN201720938152.5U CN201720938152U CN207555666U CN 207555666 U CN207555666 U CN 207555666U CN 201720938152 U CN201720938152 U CN 201720938152U CN 207555666 U CN207555666 U CN 207555666U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- component
- protective jacket
- pin
- protector
- 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.)
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Links
- 230000001681 protective effect Effects 0.000 claims description 59
- 230000001012 protector Effects 0.000 claims description 23
- 239000004568 cement Substances 0.000 claims description 10
- 210000003205 muscle Anatomy 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 241000238631 Hexapoda Species 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000005194 fractionation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241001674044 Blattodea Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model provides a circuit board and electromagnetism stove, be equipped with a plurality of components and parts on circuit board (1), still include: protection piece (9), protection piece (9) are established on pin (7) of components and parts, the utility model provides a circuit board has solved the easy problem that causes the circuit board short circuit of being put through by steam or worm of two pins of components and parts on the current circuit board.
Description
Technical field
The utility model is related to a kind of electromagnetic oven, the circuit board and electromagnetic oven of more particularly to a kind of waterproof insectproof.
Background technology
Electromagnetic oven is using electromagnetic inductive heating principle, and magnetic field, the magnetic line of force in the magnetic field are generated by coil using electric current
Countless small vortex can be generated when forming closed circuit by the magnetic stripe of irony pot bottom, make the iron molecule high-speed motion of irony pot
Heat is generated, then the food in heating kettle, in order to control electromagnetic oven, circuit board, circuit are often equipped in electromagnetic oven
Plate is by printed circuit board (Printed Circuit Board, abbreviation：PCB) and be arranged on pcb board component composition, member
Device is welded on by its pin on pcb board, connects to form circuit by copper foil arrangement lead again between pad so that circuit
Plate has corresponding automatically controlled performance.
At present, the pin of component is mainly connected to by the component on circuit board in a manner of grafting or patch by soldering
On the copper sheet of circuit board, however, for the component of a large amount of small sizes, such as first device such as capacitance, resistance, inductance and transistor
Part, when the pin of those components is welded on circuit board, pin be on circuit boards between exposed and two pins away from
It is near from relatively, in this way when there are when steam or insects (such as cockroach), easily cause two pins companies between two pins on circuit board
Lead to so as to cause circuit board Damage by Short Circuit.
Utility model content
In order to solve to mention in background technology be related on electromagnetic oven interior circuit board the easily connection of small size component's feet and
At least one problem of circuit board short circuit is caused, the utility model provides a kind of component's feet and is not easy the circuit board and electricity that connect
Magnetic stove.
The utility model provides a kind of circuit board, and the circuit board is equipped with multiple components, further includes：
Protector, the protector are located on the pin of the component.
Pin exposed on circuit board is covered by protector, this avoid two pins of component outside
Dew so that steam or insects can not touch two pins of component, accordingly even when there are steam or insects on circuit board,
It is not easy to connect two pins of component, so as to solve two of component on available circuit plate pins easily by steam or worm
The problem of class is connected and causes circuit board short-circuit.
Optionally, the protector is the circular shell of top end opening, and the circular shell lid is located at the component
And on the pin of the component
Optionally, the protector is protective jacket, and the protective jacket is set in the component and the component
On pin.
Optionally, the quantity of the protective jacket is one, and the protective jacket is equipped with the multiple and Matching components
Groove, the groove is located on the pin of the corresponding component and the component.
Optionally, the quantity of the protective jacket is multiple, and each protective jacket is set in a corresponding member
On the pin of device and the component.
Optionally, the protective jacket is using housing made of plastics.
Optionally, it is fixed between the protective jacket and the circuit board by silica gel sealing.
Optionally, heat emission hole is offered on the protective jacket.
Optionally, the protector is insulating cement, and the insulating cement is coated on the pin of the component.
The utility model also provides a kind of electromagnetic oven, including：
Housing and any of the above-described circuit board, the circuit board are located in the housing.
By including the above-mentioned circuit board for being not susceptible to short circuit so that the failure rate of electromagnetic oven in use reduces,
It solves the problems, such as in existing electromagnetic oven since the short-circuit failure rate increase for causing circuit board occurs for circuit board.
Optionally, muscle is enclosed, and the annular encloses the outer edge that muscle enclose is located at the circuit board equipped with annular in the bottom case
On.
The construction of the utility model and its other purpose of utility model and advantageous effect will be in conjunction with the accompanying drawings
Description of preferred embodiments and it is more obvious understandable.
Description of the drawings
Fig. 1 is the fractionation structural representation for the circuit board that the utility model embodiment one provides；
Fig. 2 is the fractionation structural representation for the circuit board that the utility model embodiment two provides.
Reference sign：
Circuit board -1；
Capacitance -2；
Inductance -3；
Diode -4；
Resistance -5,6；
Pin -7；
Transformer -8；
Protector -9；
Circular shell -40,50,60；
Protective jacket -41,51,61；
Specific embodiment
Embodiment one
Fig. 1 is the fractionation structural representation for the circuit board that the utility model embodiment one provides, as shown in Figure 1, circuit board 1
Equipped with multiple components, in the present embodiment, component is specially capacitance 2, inductance 3, resistance 5 (6), diode 4, transformer 8, bridge
(Insulated Gate Bipolar Transistor are referred to as heap and insulated gate bipolar transistor：IGBT), wherein, member
Device is connected in a manner of plug-in unit or patch by soldering respectively on copper sheet on the circuit card 1, and component connects on the circuit card 1
When, as shown in Figure 1, two pins 7 of part component are exposed on the circuit card 1, and in the present embodiment, capacitance 2, inductance
3rd, resistance 5 (6), diode 4 and transformer 8 are the component of small size, two exposed pins 7 of those small size components it
Between it is closer to the distance, when will easily be connected between two pins 7 there are steam or insects etc. between two pins 7, and for IGBT and bridge
Farther out, in this way for large volume component, two are drawn for the distance between component of the heap for large volume, two pin 7
There are being not easy to connect between two pins 7 when steam or insects between foot 7, therefore, in the present embodiment, in order to solve circuit board
The problem of being easily connected between the exposed two pins 7 of small size component on 1 and causing 1 short circuit of circuit board, specifically further includes：It is anti-
Guard 9, protector 9 are located on the pin 7 of component, and protector 9 covers two pins 7 of component, so as to avoid
Steam or insects touch two pins 7 of component, and two pins 7 which prevent component are connected by steam or insects
And the problem of causing the short circuit of circuit board 1, i.e., in the present embodiment, by two pins of 9 small size component of protector not
It easily connects, connected so as to avoid small size component's feet by steam or insects and leads to short circuit problem.
Wherein, in the present embodiment, as shown in Figure 1, the circular shell of the specially top end opening of protector 9 is as shown in fig. 1
Circular shell 40, circular shell 50 and circular shell 60, wherein, three circular shells, the present embodiment are only shown in Fig. 1
In, circular shell includes but not limited to three circular shells as shown in Figure 1, and the quantity of circular shell is with specific reference to component
Quantity is set, wherein, in the present embodiment, the circular shell lid is located on the pin 7 of the component, for example, cyclic annular
The lid of housing 40 is located on the pin of diode 4, and the lid of circular shell 50 is located on the pin of resistance 5, and the lid of circular shell 60 is located at electricity
Resistance 6 pin 7 on, wherein, in the present embodiment, circular shell lid is located on the pin of component, circular shell can only need by
The pin covering of component, opening that component can be from circular shell top are exposed, but it should be recognized that cyclic annular
When case lid is located on the pin of component, if steam or insects after the entrance of circular shell top end opening, need to ensure steam or
Insects can not touch two pins 7 of component, i.e. circular shell needs that the mesh for separating two pins of component can be played
's.
Embodiment two
Fig. 2 is the fractionation structural representation for the circuit board that the utility model embodiment two provides, wherein, in the present embodiment,
As shown in Fig. 2, protector 9 is specially protective jacket, such as protective jacket 41, protective jacket 51 and protective jacket 61, wherein, in Fig. 2 only
Three protective jackets are shown, in the present embodiment, protective jacket includes but not limited to three protective jackets as shown in Figure 1, the number of protective jacket
It measures and is set with specific reference to the quantity of component, wherein, in the present embodiment, protective jacket is set in component and component
On pin 7, i.e., protective jacket covers exposed two pins 7 on the circuit card 1 of the component on circuit board 1 and the component
It covers, for example, protective jacket 41 is set on diode 4, and protective jacket 41 covers the pin of diode 4,51 sets of protective jacket
It is located on the pin of resistance 5 and resistance 5, protective jacket 61 is set on the pin 7 of resistance 6 and resistance 6, such circuit board 1
On component and exposed pin 7 be sealed, accordingly even when there are steam and insects on circuit board 1, pass through protective jacket
Barrier effect cause steam and insects that can not touch exposed pin 7 so that between two pins 7 of component not
The problem of being easily connected by steam or insects and causing 1 short circuit of circuit board.
Wherein, in the present embodiment, as shown in Fig. 2, the quantity of protective jacket is multiple, for example, resistance 5 corresponds to a protection
Set 51, resistance 6 correspond to a protective jacket 61, and diode 4 corresponds to a protective jacket 41, i.e., each protective jacket is set in corresponding
On the pin 7 of one component and component, protective jacket is corresponded with component.
Alternatively, in the present embodiment, the quantity of protective jacket can be one, and protective jacket is equipped with multiple and Matching components
Groove, groove is located on the pin 7 of corresponding component and component, i.e., protective jacket which is provided with as an entirety
Groove corresponding with component, each groove connects together, and when protective jacket is arranged on the circuit card 1, component and component are naked
The pin 7 of dew is covered by groove so that steam or insects can not touch two pins 7 of component, and then avoid exposed
Pin 7 connected and caused the short circuit of circuit board 1 by steam or insects.
Wherein, in the present embodiment, protective jacket is specially using housing made of plastics, and such protective jacket is the protection of insulation
Set, so as to play insulating effect, it should be noted that in the present embodiment, protective jacket can also select other insulating materials to be made
Just, such as the materials such as glass or silica gel are made.
It wherein,, specifically can be with when protective jacket is set on component and the exposed pin 7 of component in the present embodiment
It is set on component or in order to ensure the leakproofness between protective jacket and circuit board 1, can protected by snap fit
It after being sleeved on component, then is bonded by silica gel and fixes protective jacket on the circuit card 1, not only act as fixed protection set in this way
Effect, while play the role of to be sealed between protective jacket and circuit board 1.
Wherein, in the present embodiment, due to component during the work time, heat can be generated, when protective cover is located at first device
When on part, in order to ensure the heat dissipation of component, heat emission hole can be opened up on protective jacket, specifically, heat emission hole can be opened in
On the top of protective jacket, there are not easily pass through heat emission hole during steam to enter in protective jacket on circuit board 1, it should be noted that
In the present embodiment, heat emission hole is not easy excessive, and the trepanning size of heat emission hole is advisable with that can prevent insects from entering protective jacket.
Embodiment three
The present embodiment and above-described embodiment are distinguished as：In the present embodiment, protector 9 is specially insulating cement, and insulating cement applies
Cloth is on the exposed pin 7 of component, by insulating between two exposed pins 7 of insulating cement component, this
Even if there are steam and insects between two pins 7 of sample component, but since the insulating effect of insulating cement so that two are drawn
It will not be connected between foot 7 by steam or insects, wherein, in the present embodiment, insulating cement is specifically as follows silica gel.
It should be noted that in the present embodiment, protector 9 can also be other insulating parts other than for insulating cement,
Such as can also be insulating tape, insulation can be played in this way by being directly entangled in insulating tape on exposed pin 7, operation
It is convenient.
Example IV
The present embodiment provides a kind of electromagnetic oven, which includes at least bottom case and the circuit board 1 of any of the above-described embodiment,
Wherein, circuit board 1 is arranged in housing, wherein, coil panel, lamp plate and heat dissipation element are additionally provided in the housing of electromagnetic oven, is had
The structure of body can refer to the structure in existing electromagnetic oven, wherein, in the present embodiment, the structure and function of electromagnetic oven with specific reference to
Any of the above-described embodiment in the present embodiment, repeats no more.
Wherein, often exist when circuit board 1 is set in bottom case, between the bottom surface of bottom case and the back side of circuit board 1 certain
Interval, when steam or insects enters in the interval, easily the pin 7 at 1 back side of circuit board is connected and causes circuit board 1 short
Muscle in order to avoid the pin 7 at 1 back side of insects or steam circuit board is connected, in the present embodiment, is enclosed in road in bottom case equipped with annular,
And annular is enclosed muscle enclose and is located on the outer edge of circuit board 1, by enclosing, muscle avoids steam in bottom case or insects enter bottom in this way
In gap between shell and circuit board 1, so as to prevent the influence of steam or insects to the pin 7 at 1 back side of circuit board.
By the circuit board 1 for setting above-described embodiment so that the use of electromagnetic oven is safer, is less prone to circuit board 1
Short circuit problem, so as to solve the problems, such as that steam or insects easily cause 1 short circuit of circuit board on circuit board 1 in existing 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 utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of circuit board, the circuit board (1) is equipped with multiple components, it is characterised in that：It further includes：
Protector (9), the protector (9) are located on the pin (7) of the component；
The protector (9) is the circular shell of top end opening, and the circular shell lid is located at the pin (7) of the component
On；
The protector (9) is protective jacket, and the protective jacket is set in the pin (7) of the component and the component
On；
The protector (9) is insulating cement, and the insulating cement is coated on the pin (7) of the component.
2. circuit board according to claim 1, it is characterised in that：When the protector (9) is protective jacket, the protective jacket
Quantity for one, and the protective jacket is equipped with multiple grooves with the Matching components, and the groove is located at correspondence
The component and the component pin (7) on.
3. circuit board according to claim 1, it is characterised in that：When the protector (9) is protective jacket, the protective jacket
Quantity to be multiple, and each protective jacket is set in the pin of a corresponding component and the component
(7) on.
4. according to any circuit boards of claim 1-3, it is characterised in that：It is described when the protector (9) is protective jacket
Protective jacket is using housing made of plastics；
It is fixed between the protective jacket and the circuit board (1) by silica gel sealing.
5. according to any circuit boards of claim 1-3, it is characterised in that：It is described when the protector (9) is protective jacket
Heat emission hole is offered on protective jacket.
6. a kind of electromagnetic oven, which is characterized in that include at least：Bottom case and any circuit boards of the claims 1-5
(1), the circuit board (1) is located in the bottom case.
7. electromagnetic oven according to claim 6, it is characterised in that：In the bottom case muscle, and the annular are enclosed equipped with annular
Muscle enclose is enclosed to be located on the outer edge of the circuit board (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938152.5U CN207555666U (en) | 2017-07-28 | 2017-07-28 | Circuit board and electromagnetism stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938152.5U CN207555666U (en) | 2017-07-28 | 2017-07-28 | Circuit board and electromagnetism stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207555666U true CN207555666U (en) | 2018-06-29 |
Family
ID=62672072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938152.5U Active CN207555666U (en) | 2017-07-28 | 2017-07-28 | Circuit board and electromagnetism stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207555666U (en) |
-
2017
- 2017-07-28 CN CN201720938152.5U patent/CN207555666U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |