CN208551225U - Circuit board assemblies and cooking apparatus - Google Patents
Circuit board assemblies and cooking apparatus Download PDFInfo
- Publication number
- CN208551225U CN208551225U CN201820087392.3U CN201820087392U CN208551225U CN 208551225 U CN208551225 U CN 208551225U CN 201820087392 U CN201820087392 U CN 201820087392U CN 208551225 U CN208551225 U CN 208551225U
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- CN
- China
- Prior art keywords
- circuit board
- radiator fan
- board support
- flameproof enclosure
- snap arm
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Abstract
It includes: circuit board support that the utility model, which discloses a kind of circuit board assemblies and cooking apparatus, the circuit board assemblies,；Flameproof enclosure mutually covers conjunction connection with the circuit board support, and the flameproof enclosure and the circuit board support are enclosed a fire prevention chamber, and the fire prevention chamber has ventilation opening；It is intracavitary to be located at the fire prevention, and is installed on the circuit board support for circuit board；And radiator fan, it is installed on the flameproof enclosure and/or the circuit board support, and the radiator fan corresponds to the ventilation opening setting.Technical solutions of the utility model can effectively prevent radiator fan to fall off from circuit board support or flameproof enclosure, i.e., guarantee radiator fan and circuit board form relatively reliable positional relationship, to guarantee effective heat dissipation of the radiator fan to circuit board.
Description
Technical field
The utility model relates to kitchen appliance technical field, in particular to a kind of circuit board assemblies and cooking apparatus.
Background technique
Existing such as electric cooker, electric cooker, electric cooking pot, electric pressure cooking saucepan one kind cooking apparatus in, set in shell
It is equipped with for powering to heating device or carrying out the circuit board controlled etc., multiple powerful electronics members is provided on circuit board
Device, and then in cooking apparatus work, circuit board itself is easy to produce biggish heat.The temperature rise of circuit board in order to prevent
Greatly, the way generallyd use is to install a radiator fan on circuit boards, and when cooking apparatus work, radiator fan turns therewith
It is dynamic, and then cooker body is discharged in heat.Due to the limitation of circuit board self structure material, radiator fan generally use snap with
The bonding strength of circuit board connection, radiator fan and circuit board is weaker, and then in the transportational process or cooking apparatus of cooking apparatus
When falling, the situation that there are radiator fans to be detached from from circuit board, fall will affect the heat dissipation of circuit board at this time, influence
The normal work of electronic component on circuit board even directly damages circuit board, causes the security risk of product when serious.
Utility model content
The main purpose of the utility model is to propose a kind of circuit board assemblies, is suitable for cooking apparatus, it is intended to guarantee heat dissipation
Effective heat dissipation of the fan to circuit board.
To achieve the above object, the utility model proposes circuit board assemblies include:
Circuit board support；
Flameproof enclosure, conjunction connection is mutually covered with the circuit board support, and the flameproof enclosure is enclosed with the circuit board support
One fire prevention chamber, the fire prevention chamber have ventilation opening；
It is intracavitary to be located at the fire prevention, and is installed on the circuit board support for circuit board；And
Radiator fan is installed on the flameproof enclosure and/or the circuit board support, and described in radiator fan correspondence
Ventilation opening setting.
Preferably, the circuit board support corresponds to the ventilation opening and is equipped in two snap arm being oppositely arranged, the snap arm
Extend towards the side close to the flameproof enclosure, the opposite sides clamping of the radiator fan is fixed between two snap arm, institute
The air inlet for stating radiator fan corresponds to the ventilation opening setting.
Preferably, the radiator fan is aerofoil fan, and the radiator fan has in the both ends being oppositely arranged, described to dissipate
The air inlet of Hot-air fan is located therein one end, and the air outlet of the radiator fan is located at the other end.
Preferably, the both sides of the edge along its length of each snap arm extend towards the direction of another snap arm
Equipped with limit flange, each snap arm and the two limit flange connected to it are enclosed a sliding slot, and the sliding slot is used
So that the side of the radiator fan slides into.
Preferably, the snap arm is equipped with towards the side of the sliding slot and abuts muscle, the abutting muscle and the radiator fan
Side wall abut against.
Preferably, the muscle that abuts is arranged along the extending direction of the snap arm.
Preferably, the cell wall of the sliding slot is equipped with the elastic arm being arranged along the extending direction of the snap arm, the elastic arm
Free end be arranged towards the circuit board support, the elastic arm towards the radiator fan side be equipped with positioning protrusion, institute
The end face of radiator fan is stated equipped with the location hole with the positioning protrusion snapping.
Preferably, the positioning protrusion is equipped with guide surface back to the side of the circuit board support.
Preferably, side projection of the side of the correspondence of the flameproof enclosure ventilation opening towards the separate circuit board support
There is wind deflector, the wind deflector is abutted with the radiator fan back to the side between the circuit board.
The utility model also proposes that a kind of cooking apparatus, including circuit board assemblies, the circuit board assemblies include:
Circuit board support；
Flameproof enclosure, conjunction connection is mutually covered with the circuit board support, and the flameproof enclosure is enclosed with the circuit board support
One fire prevention chamber, the fire prevention chamber have ventilation opening；
It is intracavitary to be located at the fire prevention, and is installed on the circuit board support for circuit board；And
Radiator fan is installed on the flameproof enclosure and/or the circuit board support, and described in radiator fan correspondence
Ventilation opening setting.
Technical solutions of the utility model are enclosed a fire prevention chamber by using circuit board support and flameproof enclosure, and circuit board is set
It sets and is preventing fires intracavitary, fire prevention chamber has ventilation opening, and radiator fan corresponds to ventilation opening and be mounted on circuit board support and/or flameproof enclosure
On, and then radiator fan can form reliable connection with circuit board and/or flameproof enclosure, radiator fan can be effectively prevent from circuit
Board mount or flameproof enclosure fall off, i.e., guarantee radiator fan and circuit board form relatively reliable positional relationship, to guarantee radiation air
Fan effective heat dissipation to circuit board.
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 only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is structural schematic diagram of one embodiment of the utility model circuit board assemblies at a visual angle；
Fig. 2 is the circuit board support of circuit board assemblies and the scheme of installation of flameproof enclosure in Fig. 1；
Fig. 3 is the explosive view of circuit board assemblies in Fig. 1；
Fig. 4 is the scheme of installation of radiator fan and circuit board support in Fig. 3；
Structural schematic diagram of the Fig. 5 for circuit board assemblies in Fig. 1 at another visual angle；
Fig. 6 is the assembling schematic diagram of circuit board support, radiator fan and flameproof enclosure in Fig. 5；
Fig. 7 is the partial enlarged view in Fig. 6 at A；
Fig. 8 is the partial enlarged view in Fig. 6 at B；
Fig. 9 is the structural schematic diagram of circuit board support in Fig. 6；
Figure 10 is the partial enlarged view in Fig. 9 at C；
Figure 11 is the partial enlarged view in Fig. 9 at D.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of circuit board assemblies, are suitable for cooking apparatus, wherein the cooking apparatus can be electric meal
The cooking apparatus of the one kind such as pot, electric cooker, electric cooking pot, electric pressure cooking saucepan makes this circuit board assemblies below by taking electric cooker as an example
It is specific to illustrate.
In an embodiment of the utility model, referring to figs. 1 to Fig. 8, which includes:
Circuit board support 10；
Flameproof enclosure 20 is closed with the 10 phase lid of circuit board support and is connected, the flameproof enclosure 20 and the circuit board support 10
It is enclosed a fire prevention chamber 30, the fire prevention chamber 30 has ventilation opening 310；
Circuit board 40 is located in the fire prevention chamber 30, and is installed on the circuit board support 10；And
Radiator fan 50 is installed on the flameproof enclosure 20 and/or the circuit board support 10, and the radiator fan 50
The corresponding ventilation opening 310 is arranged.
In existing electric cooker product, it is provided in cooker body for heating device being powered or being carried out the electricity controlled etc.
Road plate 40 is provided with multiple powerful electronic components on circuit board 40, and then in electric cooker work, circuit board 40 itself
It is easy to produce biggish heat.The temperature rise of circuit board 40 is excessive in order to prevent, and the way generallyd use is pacified on circuit board 40
A radiator fan 50 is filled, when electric cooker work, radiator fan 50 is rotated with it, and then cooker body is discharged in heat.Due to circuit
The limitation of 40 self structure material of plate, radiator fan 50 generally use snap and connect with circuit board 40, radiator fan 50 with
The bonding strength of circuit board 40 is weaker, and then when the transportational process of electric cooker or electric cooker are fallen, there are radiator fans
50 situations for being detached from, falling from circuit board 40, will affect the heat dissipation of circuit board 40 at this time, influence electronics member device on circuit board 40
The normal work of part even directly damages circuit board 40, causes the security risk of product when serious.
In order to guarantee effective heat dissipation of the radiator fan 50 to circuit board 40, in the present embodiment, circuit board support 10 and anti-
Fire 20 phase lids of cover, which close to connect, forms a fire prevention chamber 30, and fire prevention chamber 30 is equipped with ventilation opening 310, and radiator fan 50 corresponds to ventilation opening
310 are mounted on flameproof enclosure 20 and/or circuit board support 10, and circuit board 40 is located in fire prevention chamber 30 at this time, and circuit board 40 is pacified
On 40 board mount of circuit board, radiator fan 50 does not need to be connected with circuit board 40.It is understood that circuit board 40 is certainly
The material and structure of body limit, so that the bonding strength between radiator fan 50 and circuit board 40 is weaker, and circuit board support 10
Then limited without own material and structure with 20 bracket of flameproof enclosure, so when radiator fan 50 be mounted on circuit board support 10 and/
Or when flameproof enclosure 20, radiator fan 50 can form reliable connection with circuit board 40 and/or flameproof enclosure 20, can effectively prevent dissipating
Hot-air fan 50 falls off from circuit board support 10 or flameproof enclosure 20, i.e., guarantee radiator fan 50 is formed relatively reliable with circuit board 40
Positional relationship, to guarantee effective heat dissipation of the radiator fan 50 to circuit board 40.
It should be noted that be provided with cooling fin 410 on circuit board 40, usual cooling fin 410 is equipped with multiple, and sets parallel
It sets, and cooling fin 410 is arranged in fire prevention chamber 30 close to ventilation opening 310, i.e., cooling fin 410 is set close to radiator fan 50 at this time
It sets.Flameproof enclosure 20 and circuit board support 10 itself do not have electric conductivity, such as the flameproof enclosure 20 by made by fire proofing material
It is as made by flame retardant plastics with circuit board support 10.Flameproof enclosure 20 and circuit board support 10 can pass through buckle, screw etc.
Mode is detachably connected, and can also be fixedly connected by modes such as gluing, rivetings, is not especially limited herein.
Technical solutions of the utility model are enclosed a fire prevention chamber 30 by using circuit board support 10 and flameproof enclosure 20, electricity
For the setting of road plate 40 in fire prevention chamber 30, fire prevention chamber 30 has ventilation opening 310, and the corresponding ventilation opening 310 of radiator fan 50 is mounted on electricity
On road board mount 10 and/or flameproof enclosure 20, and then radiator fan 50 can be formed reliably with circuit board 40 and/or flameproof enclosure 20
Connection, can effectively prevent radiator fan 50 to fall off from circuit board support 10 or flameproof enclosure 20, i.e. guarantee radiator fan 50 and circuit
Plate 40 forms relatively reliable positional relationship, to guarantee effective heat dissipation of the radiator fan 50 to circuit board 40.
The mounting means of radiator fan 50 with it is a variety of, such as 50 screw of radiator fan be attached to circuit board support 10 and/or
On flameproof enclosure 20；Or the buckle of radiator fan 50 is fixed on circuit board support 10 and/or flameproof enclosure 20.In the present embodiment, it dissipates
Hot-air fan 50 is preferably installed in the following ways: the corresponding ventilation opening 310 of circuit board support 10 is equipped in two cards being oppositely arranged
Arm 110, snap arm 110 extend towards the side close to flameproof enclosure 20, and the opposite sides clamping of radiator fan 50 is fixed on two snap arm 110
Between, the air inlet of radiator fan 50 corresponds to the setting of ventilation opening 310.
It is understood that above-mentioned two snap arm 110 forms 100 structure of a bayonet, heat dissipation in the side of circuit board support 10
Fan 50 is fixed in the bayonet 100, and then the installation to realize radiator fan 50.
Wherein, radiator fan 50 is preferably aerofoil fan, and radiator fan 50 has in the both ends being oppositely arranged, radiator fan
50 air inlet is located therein one end, and the air outlet of radiator fan 50 is located at the other end.It should be noted that radiator fan 50
Inlet side and air side are located at its both ends being axially arranged, and air inlet and the air outlet one-to-one correspondence of radiator fan 50 open up
With the axial ends of radiator fan 50.It is appreciated that two snap arm 110 are held on the mutual two sidewalls of radiator fan 50 at this time.
In order to be firmly mounted to radiator fan 50 can between two snap arm 110, in the present embodiment, referring to Fig. 9 to figure
11, the both sides of the edge along its length of each snap arm 110, which extend towards the direction of another snap arm 110, is equipped with limit flange
120, each snap arm 110 and two limits flange 120 connected to it are enclosed a sliding slot 130, and sliding slot 130 is with for radiation air
The side of fan 50 slides into.In this way, radiator fan 50 can be prevented along the width direction of snap arm 110 by setting limit flange 120
It is detached from the bayonet 100 of two snap arm 110 formation, so that radiator fan 50 is firmly mounted between two snap arm 110.
It should be noted that each snap arm 110 and two limits flange 120 connected to it are enclosed a sliding slot 130, this
When radiator fan 50 both sides of the edge be slidably mounted in two sliding slots 130 correspondingly, in this way, installation radiator fan 50
When, it is only necessary to radiator fan 50 is directed at sliding slot 130 and is inserted into sliding slot 130, and then is convenient to realize radiator fan
50 installation is fixed.
Further, it is slided in sliding slot 130 for the ease of radiator fan 50, the side of snap arm 110 towards sliding slot 130 is set
Have and abut muscle 140, abuts muscle 140 and the side wall of radiator fan 50 abuts against.In this way, muscle 140 is abutted by setting, so that
The side of original snap arm 110 is contacted with the side of radiator fan 50, is become abutting muscle 140 and is contacted with the side of radiator fan 50,
Frictional contact surface when radiator fan 50 slides in sliding slot 130 is thereby reduced, that is, reduces radiator fan 50 in sliding slot 130
Interior sliding-frictional resistance, so that radiator fan 50 is more easier in installation to sliding slot 130.Preferably, above-mentioned 140 edge of abutting muscle
The extending direction of snap arm 110 is arranged, and then to be more conducive to sliding of the radiator fan 50 in sliding slot 130.
In the present embodiment, the cell wall of sliding slot 130 is equipped with the elastic arm 150 being arranged along the extending direction of snap arm 110, elasticity
The free end of arm 150 is arranged towards circuit board support 10, and elastic arm 150 is equipped with positioning protrusion 160 towards 50 side of radiator fan,
The end face of radiator fan 50 is equipped with the location hole 501 with 160 snapping of positioning protrusion.In this way, when radiator fan 50 is installed in place
When, the positioning protrusion 160 on elastic arm 150 is fastened in the location hole 501 of radiator fan 50, and then radiator fan 50 is firm
Ground is fixed in sliding slot 130, prevents radiator fan 50 from sliding in sliding slot 130.Since elastic arm 150 has certain elasticity,
When needing to dismantle radiator fan 50, is deviated outside 150 phase of elastic arm, positioning protrusion 160 may make to be detached from location hole 501, Jin Erfang
Just radiator fan 50 skids off sliding slot 130.
Further, above-mentioned positioning protrusion 160 is equipped with guide surface 161 back to the side of circuit board support 10, and then with side
Just after the sliding in place of radiator fan 50, positioning protrusion 160 is preferably buckled into location hole 501.
In the utility model embodiment, the side of the correspondence ventilation opening 310 of flameproof enclosure 20 is towards far from circuit board support 10
Side be convexly equipped with wind deflector 210, wind deflector 210 is abutted with radiator fan 50 back to the side between circuit board 40.On the one hand,
Wind deflector 210 is set, may make flameproof enclosure 20 that can shroud radiator fan 50 completely, in order to which radiator fan 50 preferably drives
The air flowing prevented fires in chamber 30, the final heat dissipation realized to circuit board 40；On the other hand, wind deflector 210 and radiator fan 50
It is abutted back to the side of circuit board 40, the extending direction that can also limit radiator fan 50 along snap arm 110 takes off between two snap arm 110
From so that radiator fan 50 is more firmly mounted.
The utility model also proposes a kind of cooking apparatus, which includes circuit board assemblies, the circuit board assemblies
Specific structure is referring to above-described embodiment, since this cooking apparatus uses whole technical solutions of above-mentioned all embodiments,
At least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
It is understood that above-mentioned cooking apparatus can be the one kind such as electric cooker, electric cooker, electric cooking pot, electric pressure cooking saucepan
Cooking apparatus.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of circuit board assemblies, it to be used for cooking apparatus, which is characterized in that the circuit board assemblies include:
Circuit board support；
Flameproof enclosure mutually covers conjunction connection with the circuit board support, and it is anti-that the flameproof enclosure and the circuit board support are enclosed one
Fiery chamber, the fire prevention chamber have ventilation opening；
It is intracavitary to be located at the fire prevention, and is installed on the circuit board support for circuit board；And
Radiator fan is installed on the flameproof enclosure and/or the circuit board support, and the radiator fan corresponds to the ventilation
Mouth setting.
2. circuit board assemblies as described in claim 1, which is characterized in that the circuit board support corresponds to the ventilation opening and is equipped with
In two snap arm being oppositely arranged, the snap arm extends towards the side close to the flameproof enclosure, and opposite the two of the radiator fan
Side clamping is fixed between two snap arm, and the air inlet of the radiator fan corresponds to the ventilation opening setting.
3. circuit board assemblies as claimed in claim 2, which is characterized in that the radiator fan is aerofoil fan, the heat dissipation
Fan has in the both ends being oppositely arranged, and the air inlet of the radiator fan is located therein one end, the outlet air of the radiator fan
Mouth is located at the other end.
4. circuit board assemblies as claimed in claim 2, which is characterized in that the two sides along its length of each snap arm
Edge, which extends towards the direction of another snap arm, is equipped with limit flange, each snap arm and two limit connected to it
Flange is enclosed a sliding slot, side slide-in of the sliding slot for the radiator fan.
5. circuit board assemblies as claimed in claim 4, which is characterized in that the snap arm is equipped with towards the side of the sliding slot and supports
Muscle is connect, the side wall for abutting muscle and the radiator fan abuts against.
6. circuit board assemblies as claimed in claim 5, which is characterized in that the abutting muscle is set along the extending direction of the snap arm
It sets.
7. circuit board assemblies as claimed in claim 4, which is characterized in that the cell wall of the sliding slot is equipped with prolonging along the snap arm
The elastic arm of direction setting is stretched, the free end of the elastic arm is arranged towards the circuit board support, and the elastic arm is towards institute
Radiator fan side is stated equipped with positioning protrusion, the end face of the radiator fan is equipped with the positioning with the positioning protrusion snapping
Hole.
8. circuit board assemblies as claimed in claim 7, which is characterized in that the positioning protrusion is back to the circuit board support
Side is equipped with guide surface.
9. the circuit board assemblies as described in any one of claim 2 to 8, which is characterized in that the correspondence institute of the flameproof enclosure
The side for stating ventilation opening is convexly equipped with wind deflector, the wind deflector and the radiator fan towards the side far from the circuit board support
It is abutted back to the side between the circuit board.
10. a kind of cooking apparatus, which is characterized in that including circuit board assemblies as in one of claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087392.3U CN208551225U (en) | 2018-01-17 | 2018-01-17 | Circuit board assemblies and cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820087392.3U CN208551225U (en) | 2018-01-17 | 2018-01-17 | Circuit board assemblies and cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208551225U true CN208551225U (en) | 2019-03-01 |
Family
ID=65452200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820087392.3U Active CN208551225U (en) | 2018-01-17 | 2018-01-17 | Circuit board assemblies and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208551225U (en) |
-
2018
- 2018-01-17 CN CN201820087392.3U patent/CN208551225U/en active Active
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