CN208691662U - A kind of tubular magnetron drive power supply - Google Patents

Abstract

The utility model provides a kind of tubular magnetron drive power supply, including shell, lid, setting in the intracorporal circuit board of shell, component is installed on the circuit board, the shell is tubular element, several radiating fins are provided on the peripheral wall of the shell, the radiating fin radially distributes, and the radiating fin is prepared using extrusion process.The radiating fin and cylindrical body of the utility model are produced using extrusion process, have the advantages that good thermal conductivity, comprehensive strength and good mechanical property.

Description

A kind of tubular magnetron drive power supply

Technical field

The utility model relates to microwave equipment magnetron drive power supply field more particularly to a kind of tubular driven by magnetron electricity Source.

Background technique

Existing industrial microwave apparatus magnetron drive power supply replaces traditional power frequency transformation using high-frequency electronic transformer Device, high-frequency electronic transformer have the characteristics that high-efficient, good reliability, operating voltage are wide, but high-frequency electronic transformer and partly lead The high temperature needs that body device generates effectively are radiated.Traditional industrial microwave apparatus magnetron drive power supply is using opening Wind-cooling heat dissipating mode not only reduces heat dissipation effect, and be easy to produce the disadvantage is that being easy accumulation dust on electronic component Electrical safety hidden danger, leads to electrical hazard.

The Chinese utility model patent of Patent No. 201220561877.4 discloses a kind of industrial microwave apparatus magnetron Driving power, including circuit board, component and fuel tank, wherein component is fixed on circuit boards；Component include transformer and Power component, fuel tank include shell and cover board, and shell is die casting, and the outside of shell includes plural pieces cooling fin, circuit board It is vertically disposed in fuel tank, circuit board and component are immersed in the oil liquid of fuel tank.The patent seals circuit board and component It closes in fuel tank, not will receive extraneous pollution, heat dissipation effect will not be reduced because gathering dust.

However, the cooling fin of this patent is prepared using die-casting process.Die-casting process is a kind of metal casting technique, main If applying high pressure to molten metal using mold inner-cavity, when producing shell, that there are costs is high for Casting Equipment and mold Problem.

In view of this, it is necessary to shell in the prior art be improved, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of tubular magnetron drive power supplies, by the peripheral wall of tubular shell Several radial radiating fins are squeezed out, so that entire shell has the advantages that thermal conductivity is good, intensity is high, rapid heat dissipation.

Realize that the technical solution of the utility model aim is as follows:

A kind of tubular magnetron drive power supply, including shell, lid, setting are on the intracorporal circuit board of shell, the circuit board It is installed with component, the shell is tubular element, is provided with several radiating fins, the heat radiating fin on the peripheral wall of the shell Piece radially distributes, and the radiating fin is prepared using extrusion process.

The radiating fin is evenly distributed on the peripheral wall of shell as a further improvement of the utility model,.

It is additionally provided on the shell as a further improvement of the utility model, multiple for realizing shell and lid fastening The upper end fixed ring of connection, multiple upper end fixed rings are uniformly distributed around shell axis, each upper end fixed ring difference It is fixedly connected with the upper end of any radiating fin, the axis of the upper end fixed ring is parallel with the axis of shell, and upper end is solid Determine that there is gap between the outer wall of ring and housing exterior walls.

The height of the upper end fixed ring is less than or equal to screw height, institute as a further improvement of the utility model, The upper surface for stating upper end fixed ring is concordant with the upper surface of radiating fin.

It is additionally provided on the shell as a further improvement of the utility model, multiple for realizing shell and lid fastening The upper end fixed ring of connection, multiple upper end fixed rings are uniformly distributed around shell axis, and each upper end fixed ring is all provided with It sets between two adjacent radiating fins, the peripheral wall of the upper end fixed ring is fixedly connected with the outer wall of shell, the upper end The upper surface of fixed ring and the upper surface of radiating fin are concordant.

The height of the upper end fixed ring is equal to the height of radiating fin, institute as a further improvement of the utility model, The upper surface for stating radiating fin is concordant with housing upper surface.

As a further improvement of the utility model, further include multiple fixinig plates of semicircle shape, multiple fixinig plates around Shell axis is evenly arranged on the lower surface of shell in a manner of annular array, and the fixinig plate is equipped at least two fixation holes and more A mounting hole, the fixed hole position is in the both ends of fixinig plate, and the mounting hole is between fixation hole；

It is additionally provided on the shell multiple for fastening the lower end fixed ring of the fixinig plate, multiple lower end fixed rings It is fixedly connected respectively with the lower end of any radiating fin, the axis of the lower end fixed ring is overlapped with the axis of fixation hole, institute Fixed hole position is stated between two adjacent radiating fins.

The shell includes hollow cylindrical body and bottom cover, the bottom cover as a further improvement of the utility model, Peripheral wall be fixedly connected with the inner wall of cylindrical body.

The lid is equipped with connecting hole corresponding with upper end fixed ring, institute as a further improvement of the utility model, It states connecting hole and is fixedly connected with upper end fixed ring by fastener.

The lower end fixed ring is identical as the number of the upper end fixed ring as a further improvement of the utility model, The lower end fixed ring is overlapped with the axis of upper end fixed ring.

Compared with prior art, the utility model has the beneficial effects that

1, the radiating fin of the utility model and cylindrical body are produced using extrusion process, have thermal conductivity good, comprehensive strong The advantages of degree and good mechanical property；

2, the rounded radial distribution of the radiating fin of the utility model is conducive to convective cooling, saves space；

3, the utility model realizes the fixation of shell and lid by the fixed upper end fixed ring in upper end in radiating fin Connection；

4, the utility model passes through lower end fixed ring and fixation hole reality in the fixed multiple fixinig plates in the lower end of cylindrical body Existing fixinig plate is fixedly connected with shell, and the phase of tubular magnetron drive power supply and equipment is realized by the mounting hole on fixinig plate To fixation.

Detailed description of the invention

Fig. 1 is the main view of tubular magnetron drive power supply.

Fig. 2 is the A direction view in Fig. 1.

Fig. 3 is the top view of tubular magnetron drive power supply.

Fig. 4 is the schematic perspective view of tubular magnetron drive power supply.

In figure, 1, shell；2, radiating fin；3, fixinig plate；4, lid；5, handle；6, entrance hole；7, outlet hole；8, it connects Line terminals；9, indicator light；10, air hole；11, peep hole.

Specific embodiment

The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that, These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.

In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated, The meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through Concrete condition understands concrete meaning of the above-mentioned term in the invention.

In order to solve the utility model patent of Patent No. 201220561877.4, the casting used in production shell 1 is set Standby and mold cost is high, and the bad defect of cooling fin heat dissipation effect on shell 1, present embodiments provide for a kind of tubular magnetrons Driving power please join shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, and Fig. 1 is the main view of tubular magnetron drive power supply, and Fig. 2 is in Fig. 1 A direction view, Fig. 3 is the top view of tubular magnetron drive power supply, and Fig. 4 is the stereochemical structure of tubular magnetron drive power supply Schematic diagram.The tubular magnetron drive power supply of present embodiment includes shell 1, lid 4, the circuit board being arranged in shell 1, is somebody's turn to do Component is installed on circuit board, shell 1 is tubular element, is provided with several radiating fins 2, heat radiating fin on the peripheral wall of shell 1 Piece 2 radially distributes, and radiating fin 2 is prepared using extrusion process.

Extrusion process is to apply powerful pressure to the metal stock being placed in mold cavity (or extrusion cylinder), forces metal Blank generates orientation plastic deformation, squeezes out from the die hole of extrusion die, to obtain required section configuration, size and have certain The part of mechanical property or the plastic processing method of semi-finished product.Since extrusion process is only applicable to prismatic material processing, because The radiating fin 2 squeezed out in this present embodiment is all generally evenly distributed on the peripheral wall of shell 1.

In the present embodiment, the height of radiating fin 2 is slightly below the height of shell 1, the top of such radiating fin 2 away from There are some distances, some distances of bottom end of the bottom end of radiating fin 2 apart from shell 1, convenient for solid when squeezing in the top of shrinking away from theshell body 1 Fixed shell 1.

Actually manufacture when, plate aluminium is first placed on extrusion forming in mold cavity, then molding Aluminum Cutting at It is suitably sized, aluminium curling and seamless welding will be then formed at cylindrical body, finally by the bottom of cylindrical body and well cutting Lid seamless welding.

The utility model patent (hereinafter referred to as documents) of Patent No. 201220561877.4, shell 1 use die carter Skill molding, i.e. cooling fin and shell 1 die cast in a mold.Because heat dissipation tank generallys use aluminium alloy or aluminium is made, comparison The shell 1 and cooling fin of file are die casting aluminium, and the shell 1 and radiating fin 2 of present embodiment are extruded aluminium.It analyzes in detail below Extruded aluminium is compared with die casting aluminium, possessed advantage:

1, the die casting aluminium of documents is by taking ADC12 as an example, thermal coefficient 96.Shell 1 in present embodiment is using crowded 6063 material of jewelling profile, thermal coefficient (W/m.k--- watts/meter of degree) is 201, therefore extruded aluminium heating conduction is substantially better than die casting Aluminium.

2, extruded aluminium is compared with die casting aluminium, and tissue is fine and closely woven, and density is about 2.7~2.8g/cm3, and die casting aluminium is easy to produce Tissue looseness's defect, density are about 2.5~2.6g/cm3, and the comprehensive strength and mechanical performance of extruded aluminium are better than die casting aluminium.

3, the radiating fin 2 of present embodiment is circle out shape fin structure, is conducive to convective cooling, saves space； Under the conditions of same power, same volume, usual heat dissipation area can design area increased 20% or so, therefore heat dissipation performance has promotion；

4, the mold cost of die casting aluminium is higher than the mold cost of extruded aluminium.

In view of shell 1 need with lid 4 it is relatively fixed, present embodiment be additionally provided on shell 1 it is multiple for realizing The upper end fixed ring of shell 1 and the fastening connection of lid 4, multiple upper end fixed rings are uniformly distributed centered on the axis of shell 1.? In actual production, the fixed form of upper end fixed ring can be upper with any radiating fin 2 respectively using each upper end fixed ring The mode that end is fixedly connected, naturally it is also possible to using each upper end fixed ring be arranged at two adjacent radiating fins 2 it Between, mode that the peripheral wall of upper end fixed ring is fixedly connected with the outer wall of shell 1.

It should be noted that present embodiment on lid 4 be equipped with connecting hole corresponding with upper end fixed ring, connecting hole and Upper end fixed ring is fixedly connected by fastener.Fastener can select screw or bolt.

When fixed ring selection in upper end is fixed on the mode of 2 upper end of radiating fin, the axis and shell 1 of upper end fixed ring Axis it is parallel, and between 1 outer wall of the outer wall of upper end fixed ring and shell have gap.For the ease of fixation, upper end fixed ring Height be slightly less than or be equal to screw height, the upper surface of upper end fixed ring is concordant with the upper surface of radiating fin 2.It is arranged in this way Purpose, be to enter in the fixed ring of upper end in order to which screw passes through the hole on lid 4, pass through the screw thread energy in the fixed annular distance in upper end Realization screw is fixedly connected with internal screw thread.Overall beautiful in view of tubular magnetron drive power supply, the bottom of screw is located at The inside of upper end fixed ring.In actual use, tubular magnetron drive power supply also needs to be fixed in equipment, therefore, tubular Magnetron drive power supply further includes multiple fixinig plates 3 of semicircle shape, and multiple fixinig plates 3 are around 1 axis of shell with the side of annular array Formula is evenly arranged on the lower surface of shell 1, and fixinig plate 3 is equipped at least two fixation holes and multiple mounting holes, and fixed hole position is in fixation The both ends of piece 3, mounting hole is between fixation hole；Multiple lower end fixed rings for being used to be fastened and fixed piece 3 are additionally provided on shell 1, Multiple lower end fixed rings are fixedly connected with the lower end of any radiating fin 2 respectively, the axis of lower end fixed ring and fixation hole Axis is overlapped, and fixed hole position is between two adjacent radiating fins 2.For the beauty of shell 1 and radiating fin 2, this implementation The preferred lower end fixed ring of mode is identical as the number of upper end fixed ring, and lower end fixed ring is overlapped with the axis of upper end fixed ring.

When fixed ring selection in upper end is fixed between two adjacent radiating fins 2, the peripheral wall and shell of upper end fixed ring The outer wall of body 1 is fixedly connected, and the upper surface of upper end fixed ring is concordant with the upper surface of radiating fin 2, the height of upper end fixed ring Equal to the height of radiating fin 2, the upper surface of radiating fin 2 is concordant with 1 upper surface of shell.The axis and shell of upper end fixed ring 1 axis is parallel.Bolt enters inside the fixed ring of upper end after passing through the connecting hole on lid 4, the inner cavity spiral shell with upper end fixed ring Line connection.Tubular magnetron drive power supply equally includes multiple fixinig plates 3 of semicircle shape, multiple fixinig plates 3 around 1 axis of shell with The mode of annular array is evenly arranged on the lower surface of shell 1, and fixinig plate 3 is equipped at least two fixation holes and multiple mounting holes.Gu Determine hole to be overlapped with the axis of upper end fixed ring, bolt enters upper end fixed ring from the bottom of upper end fixed ring after fixation hole It is interior, it is connect with the thread in inner cavity of upper end fixed ring.Mounting hole is fixed with the installation position in equipment by fastener.

Present embodiment passes through lower end fixed ring and fixation hole reality in the fixed multiple fixinig plates 3 in the lower end of cylindrical body Existing fixinig plate 3 is fixedly connected with shell 1, realizes tubular magnetron drive power supply and equipment by the mounting hole on fixinig plate 3 It is relatively fixed.

Referring to shown in Fig. 3 and Fig. 4, handle 5, entrance hole 6, outlet hole 7, connecting terminal 8, indicator light are provided on lid 4 9, air hole 10 and peep hole 11, handle 5 are fixed on lid 4, and the end of incoming cables on 6 power circuit board of entrance hole passes through, outlet hole 7 Leading-out terminal on power circuit board passes through, and the end of leading-out terminal is electrically connected with connecting terminal 8, and connecting terminal 8 is set for connecting outside It is standby.Indicator light 9 is the working condition in order to show tubular magnetron drive power supply, and air hole 10 is to guarantee tubular magnetron The case where normal work of driving power, peep hole 11 is to observe 1 interior insulation grease of shell.

In actual use, injection insulation grease in shell 1, circuit board is placed in insulation grease, on circuit board The heat that heating element generates is transferred to radiating fin 2 through insulation grease, completes heat dissipation.

Since bottom cover is aluminium, bottom cover has conducting function, and circuit board leaks electricity when in use in order to prevent, is passed by bottom cover It is handed to external equipment, so that phenomenon of getting an electric shock occur, also for the fixation for realizing circuit board, present embodiment is equipped on bottom cover and uses In four support columns of support circuit board, the upper surface of four support columns is provided with insulation board, and circuit board is placed on insulation board, Circuit board can also be fixedly connected with insulation board.

Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model Equivalent implementations or change should be included within the scope of protection of this utility model.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. a kind of tubular magnetron drive power supply, including shell (1), lid (4), the circuit board being arranged in shell (1), the electricity Be installed with component on the plate of road, which is characterized in that the shell (1) be tubular element, the shell (1) if peripheral wall on be provided with Dry radiating fin (2), the radiating fin (2) radially distribute, and the radiating fin (2) is prepared using extrusion process.

2. tubular magnetron drive power supply according to claim 1, which is characterized in that the radiating fin (2) is uniformly divided Cloth is on the peripheral wall of shell (1).

3. tubular magnetron drive power supply according to claim 1 or 2, which is characterized in that be additionally provided on the shell (1) Multiple upper end fixed rings for realizing shell (1) and lid (4) fastening connection, multiple upper end fixed rings are with shell (1) Axis centered on be uniformly distributed, each upper end fixed ring is fixedly connected with the upper end of any radiating fin (2) respectively, The axis of the upper end fixed ring is parallel with the axis of shell (1), and has between the outer wall of upper end fixed ring and shell (1) outer wall There is gap.

4. tubular magnetron drive power supply according to claim 3, which is characterized in that the height of the upper end fixed ring is small In or be equal to screw height, the upper surface of the upper end fixed ring is concordant with the upper surface of radiating fin (2).

5. tubular magnetron drive power supply according to claim 1 or 2, which is characterized in that be additionally provided on the shell (1) Multiple upper end fixed rings for realizing shell (1) and lid (4) fastening connection, multiple upper end fixed rings are with the axis of shell (1) It is uniformly distributed centered on line, each upper end fixed ring is arranged between two adjacent radiating fins (2), the upper end The peripheral wall of fixed ring is fixedly connected with the outer wall of shell (1), the upper surface of the upper end fixed ring and the upper table of radiating fin (2) Face is concordant.

6. tubular magnetron drive power supply according to claim 5, which is characterized in that the height etc. of the upper end fixed ring The upper surface of height in radiating fin (2), the radiating fin (2) is concordant with shell (1) upper surface.

7. tubular magnetron drive power supply according to claim 3, which is characterized in that further include multiple fixations of semicircle shape Piece (3), multiple fixinig plates (3) are evenly arranged on the lower surface of shell (1), institute around shell (1) axis in a manner of annular array Fixinig plate (3) are stated equipped at least two fixation holes and multiple mounting holes, the fixed hole position is in the both ends of fixinig plate (3), institute Mounting hole is stated between fixation hole；

Multiple lower end fixed rings for being used to fasten the fixinig plate (3) are additionally provided on the shell (1), multiple lower ends are fixed Ring is fixedly connected with the lower end of any radiating fin (2) respectively, the axis of the lower end fixed ring and the axis weight of fixation hole It closes, the fixed hole position is between two adjacent radiating fins (2).

8. tubular magnetron drive power supply according to claim 1, which is characterized in that the shell (1) includes hollow Cylindrical body and bottom cover, the peripheral wall of the bottom cover are fixedly connected with the inner wall of cylindrical body.

9. tubular magnetron drive power supply according to claim 1, which is characterized in that the lid (4) be equipped with it is upper The corresponding connecting hole of fixed ring is held, the connecting hole is fixedly connected with upper end fixed ring by fastener.

10. tubular magnetron drive power supply according to claim 7, which is characterized in that the lower end fixed ring with it is described The number of upper end fixed ring is identical, and the lower end fixed ring is overlapped with the axis of upper end fixed ring.