CN208189520U - Radiating subassembly for magnetron and the magnetron with it - Google Patents
Radiating subassembly for magnetron and the magnetron with it Download PDFInfo
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- CN208189520U CN208189520U CN201820506844.7U CN201820506844U CN208189520U CN 208189520 U CN208189520 U CN 208189520U CN 201820506844 U CN201820506844 U CN 201820506844U CN 208189520 U CN208189520 U CN 208189520U
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- cooling fin
- magnetron
- radiating subassembly
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Abstract
The utility model discloses a kind of radiating subassembly for magnetron and the magnetron with it, radiating subassembly includes: intermediate radiator piece；Upper layer cooling fin, upper layer cooling fin are set to the top of intermediate radiator piece and are arranged in the up-down direction with intermediate radiator piece interval, and the left side of upper layer cooling fin extends along to the left and upwards inclination, and the right side of upper layer cooling fin extends along to the right and upwards inclination；Lower layer's cooling fin, lower layer's cooling fin are set to the lower section of intermediate radiator piece and are arranged in the up-down direction with intermediate radiator piece interval, and along to the left and tilting down extensions, the right side edge of lower layer's cooling fin to the right and tilts down extension for the left side of lower layer's cooling fin；Wherein, intermediate radiator piece, upper layer cooling fin and lower layer's cooling fin are respectively equipped with coaxial anode hole.It can make full use of the heat-dissipating space and cold wind of magnetron according to the radiating subassembly for magnetron of the utility model embodiment, thus have many advantages, such as good heat dissipation effect, miniaturization and high power conducive to magnetron.
Description
Technical field
The utility model relates to magnetron technology fields, and in particular, to a kind of radiating subassembly and tool for magnetron
There is its magnetron.
Background technique
The type of cooling of magnetron is usually air-cooled, and the size of the effect and cooling fin that actually radiate is closely related, with
The development of magnetron miniaturization, magnetron cooling fin component in the related technology have the following problems: the width of heat sink assembly
And height is restricted, cold wind is motivated by fan, into magnetron cooling fin component, since there are cooling fins in magnetron
The region that component can not reach, the region cold wind directly pass through magnetron, are not fully used, and the utilization rate of cold wind is low,
It is poor so as to cause heat dissipation effect.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of radiating subassembly for magnetron out, the radiating subassembly of the magnetron can make full use of magnetron heat-dissipating space and
Cold wind, thus have many advantages, such as good heat dissipation effect, miniaturization and high power conducive to magnetron.
The utility model also proposed a kind of magnetron with the above-mentioned radiating subassembly for magnetron.
It include: intermediate radiator according to the radiating subassembly for magnetron that the utility model first aspect embodiment proposes
Piece；Upper layer cooling fin, the upper layer cooling fin be set to the intermediate radiator piece top and in the up-down direction with the centre
The left side edge of the setting of cooling fin interval, the upper layer cooling fin tilts extension, the right side of the upper layer cooling fin to the left and upwards
Edge tilts to the right and upwards extension；Lower layer's cooling fin, lower layer's cooling fin are set to the lower section of the intermediate radiator piece and upper
Lower section is arranged with intermediate radiator piece interval upwards, and the left side of lower layer's cooling fin is along to the left and tilting down extension, institute
It states the right side edge of lower layer's cooling fin to the right and tilts down extension；Wherein, the intermediate radiator piece, the upper layer cooling fin and institute
It states lower layer's cooling fin and is respectively equipped with coaxial anode hole.
The heat dissipation that can make full use of magnetron according to the radiating subassembly for magnetron of the utility model embodiment is empty
Between and cold wind, to have many advantages, such as good heat dissipation effect, miniaturization and high power conducive to magnetron.
In addition, can also be had according to the radiating subassembly for magnetron of the utility model above-described embodiment following additional
Technical characteristic:
One embodiment according to the present utility model, the upper layer cooling fin include: upper flat plate portion, and the anode hole is set to
The upper flat plate portion；Upper left rake, the upper left rake prolong from the left side in the upper flat plate portion along to the left and upwards inclination
It stretches；Upper right rake, the upper right rake tilt to the right and upwards extension from the right side edge in the upper flat plate portion；Upper left is horizontal
Portion, the upper left horizontal part extend to the left from the upper edge of the upper left rake；Upper right horizontal part, the upper right horizontal part is from institute
The upper edge for stating upper right rake extends to the right.
One embodiment according to the present utility model, the upper layer cooling fin further include: lower-left is around hook, and the lower-left is around hook
It is extended downwardly from the left side of upper left horizontal part edge；Bottom right is around hook, and the bottom right is around hook from the right side of the upper right horizontal part
Edge extends downwardly.
One embodiment according to the present utility model, the upper layer cooling fin be it is multiple, multiple upper layer cooling fins are equal
Top and interval setting along the vertical direction positioned at the intermediate radiator piece.
One embodiment according to the present utility model, the upper left rake of multiple upper layer cooling fins is relative to level side
To tilt angle be gradually increased from the bottom to top, the upper right rake of multiple upper layer cooling fins is relative to horizontal direction to incline
Rake angle is gradually increased from the bottom to top.
One embodiment according to the present utility model, the upper flat plate portions of multiple upper layer cooling fins is in the lateral direction
Length is gradually reduced from the bottom to top.
One embodiment according to the present utility model, the upper layer cooling fin length in the lateral direction positioned at the top are small
In remaining length of upper layer cooling fin in the lateral direction.
One embodiment according to the present utility model, lower layer's cooling fin include: lower flat part, and the anode hole is set to
The lower flat part；Lower-left rake, the lower-left rake is from the left side of the lower flat part along to the left and tilting down and prolong
It stretches；Bottom right rake, the bottom right rake to the right and tilt down extension from the right side of lower flat part edge；Lower-left is horizontal
Portion, the lower-left horizontal part extend to the left from the lower edge of the lower-left rake；Bottom right horizontal part, the bottom right horizontal part is from institute
The lower edge for stating bottom right rake extends to the right.
One embodiment according to the present utility model, lower layer's cooling fin further include: upper left is around hook, and the upper left is around hook
It is upwardly extended from the left side of lower-left horizontal part edge；Upper right is around hook, and the upper right is around hook from the right side of the bottom right horizontal part
Edge upwardly extends.
One embodiment according to the present utility model, lower layer's cooling fin be it is multiple, multiple lower layer's cooling fins are equal
Lower section and interval setting along the vertical direction positioned at the intermediate radiator piece.
One embodiment according to the present utility model, the lower-left rake of multiple lower layer's cooling fins is relative to level side
To tilt angle be from top to bottom gradually increased, the bottom right rake of multiple lower layer's cooling fins is relative to horizontal direction to incline
Rake angle is from top to bottom gradually increased.
One embodiment according to the present utility model, the lower flat parts of multiple lower layer's cooling fins is in the lateral direction
Length gradually decreasees from top to bottom.
One embodiment according to the present utility model, the intermediate radiator piece include: central flat portion, and the anode hole is set
In the central flat portion；Left spaced winding hook, the left spaced winding hook is from the left side in the central flat portion along upward or downward
Extend；Spaced winding hook in the right side, spaced winding hook is from the right side in the central flat portion along extending upward or downward in the right side.
One embodiment according to the present utility model, the anode hole are lower flange hole.
One embodiment according to the present utility model, the intermediate radiator piece, the upper layer cooling fin and the lower layer dissipate
The equal arc transition of the corner of each of backing.
Another embodiment according to the present utility model, the left side edge of the upper layer cooling fin is configured with to be divided along the longitudinal direction
Cloth and the upper left front fork and upper left rear fork with difference in height, the right side edge of the upper layer cooling fin, which is configured with, to be distributed along the front and back
And upper right front fork and upper right rear fork with difference in height；The left side of lower layer's cooling fin be distributed along the front and back along being configured with and
Lower-left front fork and lower-left rear fork with difference in height, the right side edge of lower layer's cooling fin, which is configured with, to be distributed along the front and back and has
There are the bottom right front fork and bottom right rear fork of difference in height.
It include: bracket according to the magnetron that the utility model second aspect embodiment proposes；Shielding box, the shielding box peace
Loaded on the bracket；Capacitor, the capacitor are installed on the shielding box；First magnet and the second magnet, first magnet and
Second magnet is set in the bracket and interval setting along the vertical direction；The above-mentioned radiating subassembly for magnetron, institute
Radiating subassembly is stated to be located in the bracket；Black ball component, the black ball component are installed on the bracket, the sun of the black ball component
Pole cylinder is between first magnet and second magnet and is matched with the anode hole.
According to the magnetron of the utility model second aspect embodiment, by using according to the utility model first aspect reality
The radiating subassembly for magnetron for applying example can make full use of the heat-dissipating space and cold wind of magnetron, to have heat dissipation effect
The advantages that fruit is good, miniaturization and high power conducive to magnetron.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of magnetron in the related technology；
Fig. 2 is the structural schematic diagram of another magnetron in the related technology；
Fig. 3 is the simplified air duct schematic diagram of magnetron in the related technology；
Fig. 4 is the structural schematic diagram according to the radiating subassembly of the utility model embodiment；
Fig. 5 is the front view according to the radiating subassembly of the utility model embodiment；
Fig. 6 is the structural schematic diagram according to the magnetron of the utility model embodiment；
Fig. 7 is the air channel structure schematic diagram according to the radiating subassembly of the utility model embodiment；
Fig. 8 is the structural schematic diagram according to the upper layer cooling fin of the radiating subassembly of the utility model another embodiment；
Fig. 9 is the front view according to the upper layer cooling fin of the radiating subassembly of the utility model another embodiment.
Appended drawing reference:
The relevant technologies: magnetron 1000 '；Radiator structure 100 '；Cooling fin 110 '；Bracket 200 '；Bottom plate 210 '；Upper magnet
220'；Lower magnet 230 '；Shielding box 300 '；Shielding box cover 310 '；Black ball component 400 '；Anode canister 410 '；
The utility model: magnetron 1000；
Radiating subassembly 100；
Upper layer cooling fin 10；Upper flat plate portion 11；Upper left rake 12；Upper right rake 13；Upper left horizontal part 14；Upper right water
Flat portion 15；Lower-left is around hook 16；Bottom right is around hook 17；Upper left front fork 18；Upper left rear fork 181；Upper right front fork 19；Upper right rear fork 191；
Intermediate radiator piece 20；Anode hole 21；Central flat portion 22；Left spaced winding hook 23；Spaced winding hook 24 in the right side；
Lower layer's cooling fin 30；Lower flat part 31；Lower-left rake 32；Bottom right rake 33；Lower-left horizontal part 34；Bottom right water
Flat portion 35；Upper left is around hook 36；Upper right is around hook 37；
Bracket 200；Bottom plate 210；Shielding box 300；First magnet 400；Second magnet 410；Black ball component 500；Anode canister
510。
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.In addition, define " first ", the feature of " second " can explicitly or implicitly include it is one or more
This feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to the radiator structure 100 ' of the magnetron of Fig. 1-Fig. 3 description in the related technology.
Magnetron 1000 ' is the vacuum electron device for generating microwave, during the work time, due to the function of magnetron 1000 '
Rate is high, and the heat of sending is larger, causes anode temperature rise higher, and higher temperature rise can seriously affect the workability of magnetron 1000 '
Energy and service life, it is therefore desirable to which cooling and heat dissipation is carried out to magnetron 1000 '.With magnetron 1000 ' it is continuous upgrading with
And household microwave oven refines demand, the size of magnetron 1000 ' also gradually develops towards miniaturization, the magnetron of miniaturization
1000 ' cause the volume of radiator structure 100 ' to reduce, so that heat dissipation effect reduces, therefore to the dimensionally-optimised of radiator structure 100 '
Also seem increasingly important.In the related technology, the type of cooling is air-cooled, the width of the effect that actually radiates and cooling fin 110 ' and
Anode canister 410 ' is related with the contact area of radiator structure 100 '.
As shown in Figure 1, one of the relevant technologies magnetron 1000 ' includes bracket 200 ', shielding box 300 ', radiator structure
100 ' and black ball component 400 '.Wherein, shielding box 300 ' is riveted together with bracket 200 ', and shielding box 300 ' is equipped with and is used for
The shielding box cover 310 ' of closed shield box 300 ', riveting has feed-through capacitor, the upper and lower ends in bracket 200 ' on shielding box 300 '
Equipped with upper magnet 220 ' and lower magnet 230 ', upper magnet 220 ' and lower magnet 230 ' are used to provide stabilizing magnetic field, radiator structure
100 ' are made of six identical 110 ' arrays of cooling fin, and bottom plate 210 ' rivets black ball component 400 ' and other components together.
Cold wind is motivated by fan, into radiator structure 100 ', due to every a piece of cooling fin 110 ' be all it is identical, certainly exist in this way
Some region cold wind directly pass through, as shown in figure 1 the aptery panel region in four circles of 100 ' quadrangle of radiator structure, this four areas
Cold wind is not utilized effectively in domain.
Another magnetron 1000 ' in the related technology as shown in Figure 2, black ball component 400 ' by anode cavity and
Other component compositions, resonant cavity structure are not described herein in detail.Resonant cavity outer wall is anode canister 410 ', sun in the related technology
Pole 410 ' outer walls of cylinder are all smooth cylindrical types, can realize complete cooperation with 110 ' fitting surface of cooling fin in this way, in order to
Heat is shed.This kind of radiator structure 100 ' has a cooling fin 110 ' of 6 different structures, between every abutting fins 110 '
Distance s are equal everywhere, and heat dissipation effect is general, and still, the length difference between each cooling fin 110 ' is excessive, cause heat transfer uneven
Even, the length for being such as located at the cooling fin 110 ' on both sides is obviously greater than the length of centrally located cooling fin 110 ', therefore passes through
Method itself the bring performance boost for extending 110 ' come heat radiation performance of cooling fin is very limited, is not able to satisfy small size magnetic control
The radiating requirements of pipe 1000 '.Furthermore this bifurcation structure can not be processed by punching press, unrealistic with mach method,
Manufacture is difficult.
The simplified air duct section of the radiator structure 100 ' of one of the relevant technologies magnetron 1000 ' is as shown in figure 3, phase
The shape in the air duct section of adjacent radiator structure 100 ' is identical, is all shape shown in Fig. 3, and bilateral symmetry is passed through herein
Simplify, Reynolds number value calculating can be carried out to air duct by the way that heat dissipation is theoretical, learn this kind of identical air duct section by calculating comparison
Radiator structure 100 ' heat dissipation effect it is general.
In view of above-mentioned magnetron in the related technology radiator structure 100 ' in magnetron to the trend of miniaturization
In the lower general situation of heat dissipation effect, the utility model proposes a kind of radiating subassembly 100 for magnetron and with its
Magnetron 1000.
The radiating subassembly 100 for magnetron according to the utility model embodiment is described below with reference to Fig. 4-Fig. 9,
In, the front-rear direction up and down in attached drawing is only the relative position for illustrating each structure, and not to the limit of the utility model
System, according to the radiating subassembly 100 of the utility model embodiment and magnetron 1000 can be carried out with arbitrary direction using.
It as shown in Figure 4 and Figure 5, include: centre according to the radiating subassembly 100 for magnetron of the utility model embodiment
Cooling fin 20, upper layer cooling fin 10 and lower layer's cooling fin 30.
Upper layer cooling fin 10 be set to intermediate radiator piece 20 top, and upper layer cooling fin 10 in the up-down direction with centre
The left side edge of the setting of the interval of cooling fin 20, upper layer cooling fin 10 tilts extension, the right side edge of upper layer cooling fin 10 to the left and upwards
It tilts to the right and upwards and extends.Lower layer's cooling fin 30 be set to intermediate radiator piece 20 lower section and in the up-down direction with intermediate radiator
The setting of the interval of piece 20, the left side of lower layer's cooling fin 30 is along to the left and extensions is tilted down, and the right side edge of lower layer's cooling fin 30 is to the right
And tilt down extension.Wherein, intermediate radiator piece 20, upper layer cooling fin 10 and lower layer's cooling fin 30 are respectively equipped with coaxial sun
The anode canister 510 of radiating subassembly 100 and black ball component 500 is fixed in pole hole 21, anode hole 21.
With continued reference to embodiment shown in fig. 5, upper layer cooling fin 10, intermediate radiator piece 20 and lower layer's cooling fin 30 by up to
Under be successively arranged in parallel, the left part of upper layer cooling fin 10 to the left inclined upward extend, the right part of upper layer cooling fin 10
Inclined upward extends to the right, and inclined downward extends the left part of lower layer's cooling fin 30 to the left, the right side of lower layer's cooling fin 30
Inclination extends point to the right, and radiating subassembly 100 extends to each region of 1000 inner space of magnetron as a result, cold wind by
When being parallel to the direction of radiating subassembly 100 and passing through, it can cool down to each region inside magnetron 1000.
According to the radiating subassembly 100 for magnetron of the utility model embodiment, pass through setting upper layer cooling fin 10
Left and right side extends to upper left and upper right inclination respectively, and the left and right side of lower layer's cooling fin 30 is respectively to left down and right
The inclination of lower direction extends, so that radiating subassembly 100 is uniformly distributed in the inner space of magnetron 1000 and by each region,
The area of cooling fin is larger and each cooling fin between size difference it is smaller, heat-transfer effect is uniform, and what is made full use of dissipates
Heat space and cold wind can take away rapidly the heat on cooling fin, greatly improve the benefit of cold wind when cold wind flows through cooling fin
It is good heat dissipation effect, high-efficient with rate.Furthermore the radiating subassembly 100 structure letter for magnetron of the utility model embodiment
It is single, convenient for being fabricated by the method for punching press.Therefore, according to the radiating subassembly for magnetron of the utility model embodiment
100 have structure simple, and cold wind utilization rate is high, and heat-transfer effect is uniform, good heat dissipation effect, it is high-efficient the advantages that.
Below with reference to Fig. 4-Fig. 9 detailed description according to the radiating subassembly for magnetron of the utility model specific embodiment
100。
As shown in Figure 4 and Figure 5, upper layer cooling fin 10 includes upper flat plate portion 11, upper left rake 12 and upper right rake
13。
Upper flat plate portion 11 is horizontally disposed, and anode hole 21 is set to upper flat plate portion 11, and upper left rake 12 is from upper flat plate portion 11
Left side edge is to the left and inclination extension upwards, upper right rake 13 tilt to the right and upwards extension from the right side edge in upper flat plate portion 11.
Compared to horizontal-extending cooling fin, upper left rake 12 and upper right rake 13 not only extend the length of upper layer cooling fin 10
Degree, increases the heat dissipation area of upper layer cooling fin 10, and can extend to the upper left corner and the upper right corner of heat-dissipating space, with distribution
In the corner of heat-dissipating space, make also can sufficiently play cooling effect by the cold wind at turning, to improve heat dissipation effect.
Further, upper layer cooling fin 10 further includes upper left horizontal part 14 and upper right horizontal part 15, upper left horizontal part 14 from
The upper edge of upper left rake 12 extends to the left, and upper right horizontal part 15 extends to the right from the upper edge of upper right rake 13.Upper layer heat dissipation
The area of piece 10 further increases in the lateral direction, and the heat dissipation effect of upper layer cooling fin 10 is further promoted as a result,.
Further, upper layer cooling fin 10 further includes lower-left around hook 16 and bottom right around hook 17, and lower-left is around hook 16 from upper left water
Along extending downwardly, bottom right is extended downwardly around hook 17 from the right side of upper right horizontal part 15 edge in the left side in flat portion 14.Lower-left is around 16 He of hook
Bottom right further increases the heat dissipation area of upper layer cooling fin 10 around hook 17 in the vertical direction, as a result, upper layer cooling fin 10
Heat dissipation effect is more preferable, and lower-left can be by stopping the inner wall to heat-dissipating space, so that upper layer dissipates around hook 17 around hook 16 and bottom right
Fixation of the backing 10 in heat-dissipating space.
In some embodiments of the utility model, upper layer cooling fin 10 be it is multiple, multiple upper layer cooling fins 10 are respectively positioned on
The top of intermediate radiator piece 20 and along the vertical direction interval setting.
As shown in Figure 4-Figure 6, upper layer cooling fin 10 is two, and two upper layer cooling fins 10 are spaced apart setting, and equal position
In the top of intermediate radiator piece 20, the contact area of upper layer cooling fin 10 Yu anode canister is increased as a result, and is also increased scattered
Heat area, heat dissipation effect further increase.
One embodiment according to the present utility model, as shown in figure 5, the upper left rake 12 of multiple upper layer cooling fins 10
Inclination angle alpha relative to horizontal direction is gradually increased from the bottom to top, and the upper right rake 13 of multiple upper layer cooling fins 10 is opposite
It is gradually increased from the bottom to top in the inclination angle beta of horizontal direction.The length of the upper left rake 12 of multiple upper layer cooling fins 10 with
The increase of α and increase, the length of the upper right rake 13 of multiple upper layer cooling fins 10 increases with the increase of β, as a result, upper layer dissipate
The heat dissipation area of backing 10 further increases, and can be uniformly distributed in heat-dissipating space, and heat dissipation effect improves.Furthermore referring to Fig. 6 institute
The embodiment shown, due to multiple upper layer cooling fins 10 upper left rake 12 and upper right rake 13 is relative to horizontal direction inclines
Rake angle α and β are gradually increased from the bottom to top, and the spacing d2 of adjacent two upper layer cooling fins, 10 left and right sides is significantly greater than Fig. 1
Two radiating fins adjacent in the related technology at left and right sides of spacing d1, can prevent heat from excessively concentrating in this way, be more advantageous to
Heat dissipation.
Further, with continued reference to embodiment shown in fig. 5, the upper flat plate portion 11 of multiple upper layer cooling fins 10 is in right and left
Upward length is gradually reduced from the bottom to top.
The length in the lateral direction of upper layer cooling fin 10 in one embodiment of the utility model, positioned at the top
Less than remaining length of upper layer cooling fin 10 in the lateral direction.As shown in figure 5, the upper layer cooling fin 10 for being located at the top exists
Length on left and right directions is w1, remaining length of upper layer cooling fin 10 in the lateral direction is w, and the upper layer positioned at the top dissipates
The left and right ends of backing 10 are mounted in bottom plate 210, and bottom plate 210 is embedded in bracket 200, and the internal diameter of bottom plate 210 is less than bracket
200 internal diameter, therefore be located at the length w1 of the upper layer cooling fin 10 of the top in the lateral direction and be less than remaining upper layer cooling fin
10 length w in the lateral direction.
In some examples of the utility model, as shown in Figure 4 and Figure 5, lower layer's cooling fin 30 includes lower flat part 31, a left side
Lower rake 32 and bottom right rake 33.
Lower flat part 31 is horizontally disposed, and anode hole 21 is set to lower flat part 31, and lower-left rake 32 is from lower flat part 31
Along to the left and tilting down extensions, bottom right rake 33 to the right and tilts down and prolongs from the right side of the lower flat part 31 edge in left side
It stretches.Compared to horizontal-extending cooling fin, lower-left rake 32 and bottom right rake 33 not only extend lower layer's cooling fin 30
Length increases the heat dissipation area of lower layer's cooling fin 30, and can extend to the lower left corner and the lower right corner of heat-dissipating space, to divide
It is distributed in the corner of heat-dissipating space, makes also can sufficiently play cooling effect by the cold wind at turning, is dissipated to improve lower layer
The heat dissipation effect of backing 30.
Further, lower layer's cooling fin 30 further includes lower-left horizontal part 34 and bottom right horizontal part 35, lower-left horizontal part 34 from
The lower edge of lower-left rake 32 extends to the left, and bottom right horizontal part 35 extends to the right from the lower edge of bottom right rake 33.Lower layer's heat dissipation
The area of piece 30 further increases in the lateral direction, and the heat dissipation effect of lower layer's cooling fin 30 is further promoted as a result,.
Further, lower layer's cooling fin 30 further includes upper left around hook 36 and upper right around hook 37, and upper left is around hook 36 from lower-left water
Along upwardly extending, upper right is upwardly extended around hook 37 from the right side of bottom right horizontal part 35 edge in the left side in flat portion 34.Upper left is around 36 He of hook
Upper right further increases the heat dissipation area of lower layer's cooling fin 30 around hook 37 in the vertical direction, as a result, lower layer's cooling fin 30
Heat dissipation effect is more preferable, and upper left can be by stopping the inner wall to heat-dissipating space, so that lower layer dissipates around hook 37 around hook 36 and upper right
Fixation of the backing 30 in heat-dissipating space.
In some embodiments of the utility model, lower layer's cooling fin 30 be it is multiple, multiple lower layer's cooling fins 30 are respectively positioned on
The lower section of intermediate radiator piece 20 and along the vertical direction interval setting.
As shown in Figure 4-Figure 6, lower layer's cooling fin 30 is three, and three lower layer's cooling fins 30 are spaced apart setting, and equal position
In the lower section of intermediate radiator piece 20, the contact area of lower layer's cooling fin 30 Yu anode canister is increased as a result, and is also increased scattered
Heat area, heat dissipation effect further increase.
One embodiment according to the present utility model, as shown in figure 5, the lower-left rake 32 of multiple lower layer's cooling fins 30
Tilt angle theta relative to horizontal direction is from top to bottom gradually increased, and the bottom right rake 33 of multiple lower layer's cooling fins 30 is opposite
It is from top to bottom gradually increased in the tilt angle γ of horizontal direction.The length of the lower-left rake 32 of multiple lower layer's cooling fins 30
Increase with the increase of θ, the length of the bottom right rake 33 of multiple lower layer's cooling fins 30 increases with the increase of γ, as a result, under
The heat dissipation area of layer cooling fin 30 further increases, and can be uniformly distributed in heat-dissipating space, and heat dissipation effect improves.Furthermore due to
The lower-left rake 32 and the tilt angle theta relative to horizontal direction of bottom right rake 33 and γ of multiple lower layer's cooling fins 30 are by upper
It is gradually increased under, the distance between 30 left and right sides of adjacent Liang Ge lower layer cooling fin is significantly greater than in the related technology adjacent two
Spacing at left and right sides of radiating fin can prevent heat from excessively concentrating certain in this way, be more advantageous to dissipating for radiating subassembly 100
Heat.
Further, with continued reference to embodiment shown in fig. 5, the lower flat part 31 of multiple lower layer's cooling fins 30 is in right and left
Upward length gradually decreasees from top to bottom.
In one embodiment of the utility model, as shown in figure 5, intermediate radiator piece 20 includes central flat portion 22, a left side
Spaced winding hook 24 in middle spaced winding hook 23 and the right side.Anode hole 21 is set to central flat portion 22, and left spaced winding hook 23 is from intermediate flat part 22
Left side along extending upward or downward, spaced winding hook 24 is from the right side of intermediate flat part 22 along extending upward or downward in the right side.
It is worth noting that left spaced winding hook 23 is identical as the extending direction of spaced winding hook 24 in the right side.Such as in Fig. 4-Fig. 6
Shown in embodiment, left spaced winding hook 23 is extended downwardly with spaced winding hook 24 in the right side, as a result, in left spaced winding hook 23 and the right side
Spaced winding hook 24 extends the length of the left and right ends in central flat portion 22 in above-below direction, the heat dissipation area in central flat portion 22
Increase, heat dissipation effect is further promoted, and is conducive to fixation of the intermediate radiator piece 20 in heat-dissipating space.
In some embodiments of the utility model, as shown in Figure 4 and Figure 5, anode hole 21 is lower flange hole.Flanging bore can
It is processed by the method for punching press, the installation of flanging bore and anode canister is more close, and can increase cooling fin and anode canister
Contact area, improves heat transfer efficiency, and heat dissipation effect is more preferable.
It further, can be using interference fit, as a result, between cooling fin and anode canister between anode hole 21 and anode canister
Connection more fasten.
One embodiment according to the present utility model, in intermediate radiator piece 20, upper layer cooling fin 10 and lower layer's cooling fin 30
The equal arc transition of the corner of each.The turning of arc transition can disperse intermediate radiator piece 20,10 and of upper layer cooling fin
Lower layer's cooling fin 30 is concentrated in the stress of corner, improves the structural stability of cooling fin.
The radiating subassembly 100 for magnetron of the utility model embodiment increases the reynolds number Re of entirely heat dissipation system
Add, thus tie up to entire radiator under turbulent model heat dissipation effect enhancing, referring to Fig. 3 and Fig. 7 from heat dissipation theoretically
It is described in detail.
As shown in figure 3, the air duct shape between the abutting fins 110 ' of existing magnetron 1000 ' is identical, bilateral symmetry,
Herein by simplifying, Reynolds number value calculating can be carried out to air duct by the way that heat dissipation is theoretical.Fig. 7 is the utility model embodiment warp
Cross simplified duct cross-section, the appended drawing reference " 1 ", " 2 ", " 3 ", " 4 " and " 5 " in Fig. 7 respectively with the " wind passage mouth in following table
1 ", " wind passage mouth 2 ", " wind passage mouth 3 ", " wind passage mouth 4 " and " wind passage mouth 5 " corresponds, the magnetron as shown in Fig. 3
1000 ' be the product of existing volume production on the market, is easier to compare, here by the magnetron of the utility model embodiment
1000 are compared with magnetron 1000 ' in the prior art.According to the structure of the magnetron 1000 of the utility model embodiment
The structure size of size and magnetron 1000 ' in the related technology, the geometric dimension that can obtain each air duct are as shown in the table:
According to Reynolds number calculation formula:
In formula, F-channel sectional area, cm2；
P-channel perimeter, cm.
μ is fluid viscosity, and v is flow velocity, is fixed value, is compared according to numerical value in table, the heat dissipation of the utility model embodiment
The structure of component 100 substantially increases Reynolds number, so that heat dissipation effect increases.This point is in our actual sample sets
Also it can be proved that reducing 50 DEG C or so according to the heat dissipation temperature rise of the radiating subassembly 100 of the utility model embodiment in dress.
Referring to Fig. 8 and Fig. 9 description according to the radiating subassembly for magnetron of another embodiment of the utility model
100.As shown in Figure 8 and Figure 9, in another embodiment of the utility model, the left side edge of upper layer cooling fin 10 is configured with edge
The right side edge of front-rear direction distribution and upper left front fork 18 and upper left rear fork 181 with difference in height, upper layer cooling fin 10 is configured with
It is distributed along the front and back and upper right front fork 19 and upper right rear fork 191 with difference in height, the left side edge of lower layer's cooling fin 30 constructs
There are the lower-left front fork and lower-left rear fork being distributed along the front and back and with difference in height, the right side edge of lower layer's cooling fin 30 is configured with
It is distributed along the front and back and has the bottom right front fork and bottom right rear fork of difference in height, wherein the bifurcation structure figure of lower layer's cooling fin 30
In be not shown, those skilled in the art is referred to the bifurcation structure of upper layer cooling fin 10.
Cold wind first passes through upper left front fork 18 when by the left side of upper layer cooling fin 10, cold using upper left rear fork 181
Wind first passes through upper right front fork 19 when by the right side of upper layer cooling fin 10, using upper right rear fork 191, due to upper left front fork
18 and upper left rear fork 181 there is difference in height d3, upper right front fork 19 and upper right rear fork 191 have difference in height, as shown in figure 8, upper left
The height of front fork 18 is lower than upper left rear fork 181, and the height of upper right front fork 19 is lower than upper right rear fork 191, as a result, 18 He of upper left front fork
Upper left rear fork 181 can play the role of shunting cold wind, and upper right front fork 19 and upper right rear fork 191 can be played and be shunted to cold wind
Effect, faster, and cold wind is in upper layer cooling fin 10 for flow velocity when by 10 left and right sides region of upper layer cooling fin for cold wind
Left and right sides distribution is more uniform, more preferable for the heat dissipation effect in the left and right side region of upper layer cooling fin 10.
Cold wind first passes through lower-left front fork, using lower-left rear fork, cold wind is being passed through when by the left side of lower layer's cooling fin 30
When crossing the right side of lower layer's cooling fin 30, bottom right front fork is first passed through, using bottom right rear fork, due to fork behind lower-left front fork and lower-left
There is difference in height, bottom right front fork and bottom right rear fork have difference in height, such as the height of lower-left front fork is lower than lower-left rear fork, bottom right front fork
Height be lower than bottom right rear fork, as a result, lower-left front fork and lower-left rear fork can play the role of to cold wind shunt, bottom right front fork and
Bottom right rear fork can play the role of shunting cold wind, and flow velocity is more when by 30 left and right sides region of lower layer's cooling fin for cold wind
Fastly, and cold wind is more uniform in the distribution of the left and right sides of lower layer's cooling fin 30, for the left and right side of lower layer's cooling fin 30
The heat dissipation effect in region is more preferable.
Below with reference to Fig. 6 description according to the magnetron 1000 of the utility model embodiment.
As shown in fig. 6, including: bracket 200, screen according to the magnetron 1000 that the utility model second aspect embodiment proposes
Cover box 300, capacitor, the first magnet 400, the second magnet 410, radiating subassembly 100 and black ball component 500.
Wherein, shielding box 300 is installed on bracket 200, and capacitor is installed on shielding box 300, the first magnet 400 and the second magnet
410 are set in bracket 200 and are spaced along the vertical direction setting, and radiating subassembly 100 is being used for for the utility model above-described embodiment
The radiating subassembly 100 of magnetron, radiating subassembly 100 are located in bracket 200, and black ball component 500 is installed on bracket 200, black ball group
The anode canister 510 of part 500 is between the first magnet 400 and the second magnet 410 and is matched with anode hole 21.Black ball component 500
For black ball component in the prior art, which is not described herein again, the radiating subassembly 100 for magnetron of the utility model embodiment
It can be adapted for any black ball component 500.
According to the magnetron 1000 of the utility model second aspect embodiment, by using according to the utility model first party
The radiating subassembly 100 for magnetron of face embodiment has structure simple, and cold wind utilization rate is high, and heat-transfer effect is uniform, heat dissipation
The advantages that effect is good, high-efficient.
According to the radiating subassembly 100 for magnetron of the utility model embodiment other constitute and operation etc. for
All be for those of ordinary skill in the art it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", specific examples or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (17)
1. a kind of radiating subassembly for magnetron characterized by comprising
Intermediate radiator piece；
Upper layer cooling fin, the upper layer cooling fin be set to the intermediate radiator piece top and in the up-down direction with the centre
The left side edge of the setting of cooling fin interval, the upper layer cooling fin tilts extension, the right side of the upper layer cooling fin to the left and upwards
Edge tilts to the right and upwards extension；
Lower layer's cooling fin, lower layer's cooling fin be set to the intermediate radiator piece lower section and in the up-down direction with the centre
The setting of cooling fin interval, the left side of lower layer's cooling fin is along to the left and tilting down extension, the right side of lower layer's cooling fin
Along to the right and tilting down extension；
Wherein, the intermediate radiator piece, the upper layer cooling fin and lower layer's cooling fin are respectively equipped with coaxial anode hole.
2. the radiating subassembly according to claim 1 for magnetron, which is characterized in that the upper layer cooling fin includes:
Upper flat plate portion, the anode hole are set to the upper flat plate portion；
Upper left rake, the upper left rake tilt extension from the left side edge in the upper flat plate portion to the left and upwards；
Upper right rake, the upper right rake tilt to the right and upwards extension from the right side edge in the upper flat plate portion；
Upper left horizontal part, the upper left horizontal part extend to the left from the upper edge of the upper left rake；
Upper right horizontal part, the upper right horizontal part extend to the right from the upper edge of the upper right rake.
3. the radiating subassembly according to claim 2 for magnetron, which is characterized in that the upper layer cooling fin also wraps
It includes:
Lower-left is extended downwardly around hook from the left side of upper left horizontal part edge around hook, the lower-left；
Bottom right is extended downwardly around hook from the right side of upper right horizontal part edge around hook, the bottom right.
4. the radiating subassembly according to claim 3 for magnetron, which is characterized in that the upper layer cooling fin is more
A, multiple upper layer cooling fins are respectively positioned on the top of the intermediate radiator piece and along the vertical direction interval setting.
5. the radiating subassembly according to claim 4 for magnetron, which is characterized in that multiple upper layer cooling fins
Rake tilt angle relative to horizontal direction in upper left is gradually increased from the bottom to top, and the upper right of multiple upper layer cooling fins is inclined
Inclined portion tilt angle relative to horizontal direction is gradually increased from the bottom to top.
6. the radiating subassembly according to claim 4 for magnetron, which is characterized in that multiple upper layer cooling fins
The length of upper flat plate portion in the lateral direction is gradually reduced from the bottom to top.
7. the radiating subassembly according to claim 4 for magnetron, which is characterized in that radiate on the upper layer positioned at the top
The length of piece in the lateral direction is less than remaining length of upper layer cooling fin in the lateral direction.
8. the radiating subassembly according to claim 1 for magnetron, which is characterized in that lower layer's cooling fin includes:
Lower flat part, the anode hole are set to the lower flat part；
Lower-left rake, the lower-left rake to the left and tilt down extension from the left side of lower flat part edge；
Bottom right rake, the bottom right rake to the right and tilt down extension from the right side of lower flat part edge；
Lower-left horizontal part, the lower-left horizontal part extend to the left from the lower edge of the lower-left rake；
Bottom right horizontal part, the bottom right horizontal part extend to the right from the lower edge of the bottom right rake.
9. the radiating subassembly according to claim 8 for magnetron, which is characterized in that lower layer's cooling fin also wraps
It includes:
Upper left is upwardly extended around hook from the left side of lower-left horizontal part edge around hook, the upper left；
Upper right is upwardly extended around hook from the right side of bottom right horizontal part edge around hook, the upper right.
10. the radiating subassembly according to claim 9 for magnetron, which is characterized in that lower layer's cooling fin is more
A, multiple lower layer's cooling fins are respectively positioned on the lower section of the intermediate radiator piece and along the vertical direction interval setting.
11. the radiating subassembly according to claim 10 for magnetron, which is characterized in that multiple lower layer's cooling fins
Lower-left rake tilt angle relative to horizontal direction be from top to bottom gradually increased, the bottom right of multiple lower layer's cooling fins
Rake tilt angle relative to horizontal direction is from top to bottom gradually increased.
12. the radiating subassembly according to claim 10 for magnetron, which is characterized in that multiple lower layer's cooling fins
Lower flat part length in the lateral direction gradually decrease from top to bottom.
13. the radiating subassembly according to claim 1 for magnetron, which is characterized in that the intermediate radiator piece includes:
Central flat portion, the anode hole are set to the central flat portion；
Left spaced winding hook, the left spaced winding hook extend upward or downward from the left side edge in the central flat portion；
Spaced winding hook in the right side, spaced winding hook is from the right side in the central flat portion along extending upward or downward in the right side.
14. the radiating subassembly according to claim 1 to 13 for magnetron, which is characterized in that the anode
Hole is lower flange hole.
15. the radiating subassembly according to claim 1 to 13 for magnetron, which is characterized in that the centre
The equal arc transition of corner of each of cooling fin, the upper layer cooling fin and lower layer's cooling fin.
16. the radiating subassembly according to claim 1 to 13 for magnetron, which is characterized in that the upper layer
The left side of cooling fin is dissipated along the upper left front fork and upper left rear fork being distributed along the front and back and with difference in height, the upper layer is configured with
The right side edge of backing is configured with the upper right front fork and upper right rear fork being distributed along the front and back and with difference in height；
The left side of lower layer's cooling fin is after being configured with the lower-left front fork being distributed along the front and back and with difference in height and lower-left
Fork, the right side of lower layer's cooling fin is after being configured with the bottom right front fork being distributed along the front and back and with difference in height and bottom right
Fork.
17. a kind of magnetron characterized by comprising
Bracket；
Shielding box, the shielding box are installed on the bracket；
Capacitor, the capacitor are installed on the shielding box；
First magnet and the second magnet, first magnet and second magnet be set to the bracket in and along the vertical direction between
Every setting；
The radiating subassembly of magnetron is used for described in any one of -16 according to claim 1, the radiating subassembly to be located at the branch
In frame；
Black ball component, the black ball component are installed on the bracket, and the anode canister of the black ball component is located at first magnet
Between second magnet and it is matched with the anode hole.
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| CN201820506844.7U CN208189520U (en) | 2018-04-10 | 2018-04-10 | Radiating subassembly for magnetron and the magnetron with it |
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| CN201820506844.7U CN208189520U (en) | 2018-04-10 | 2018-04-10 | Radiating subassembly for magnetron and the magnetron with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389765A (en) * | 2018-04-10 | 2018-08-10 | 广东威特真空电子制造有限公司 | Radiating subassembly for magnetron and the magnetron with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389765A (en) * | 2018-04-10 | 2018-08-10 | 广东威特真空电子制造有限公司 | Radiating subassembly for magnetron and the magnetron with it |
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