CN2836418Y

CN2836418Y - Water-cooled radiator for microwave magnetron

Info

Publication number: CN2836418Y
Application number: CN 200520067595
Authority: CN
Inventors: 麦日照
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-11
Filing date: 2005-11-11
Publication date: 2006-11-08
Anticipated expiration: 2015-11-11

Abstract

The utility model discloses a water-cooled radiator for a microwave magnetron, which provides a water-cooled radiator with high radiation efficiency, reliable seal and compact structure to a high-power continuous wave magnetron. The water-cooled radiator is provided with a base with a middle flange, and an annular watercourse is arranged above the base. Both sides of the flange on the base are respectively provided with a water inlet hole and a water outlet hole which are communicated with the annular watercourse.

Description

The microwave magnetron water-filled radiator

Technical field

The utility model relates to microwave generator cooling heat dissipation technical field, particularly a kind of microwave magnetron water-filled radiator that can make powerful continuous wave magnetron reliably cool off steady operation.

Background technology

The generation of microwave energy comes from microwave source.Microwave source is formed by microwave generator one magnetron and by magnetron provides the power supply of necessary condition of work.Its core is electron tube---the microwave magnetron that produces microwave.What at present, the overwhelming majority adopted in microwave heating equipment is continuous wave magnetron.Because the price of this magnetron is lower, operating voltage is low, the efficient height.In the practical work process of continuous wave magnetron, can not hundred-percent electronics all surrender dc energy and convert microwave energy to, always have portions of electronics directly to get on the anode block to the end, become the heat energy consumption and cause anode block to heat up.This has just determined the interaction efficiency of magnetron generally can only reach 70-85%.In addition, also have portions of electronics can not participate in energy exchange, and return negative electrode, cathode temperature is raise.Therefore, after the magnetron starting of oscillation, need to reduce the filament heating power, avoid negative electrode overheated to improve its life-span.In order to ensure the magnetron steady operation, anode block needs cooling heat dissipation, and is for example powerful air-cooled, for the HIGH-POWERED MICROWAVES magnetron, more needs so.

The power consumption of HIGH-POWERED MICROWAVES heater own adds that the power consumption of high power magnetron causes this system's heating obviously.Therefore high power magnetron need be equipped with suitable cooling system.

Summary of the invention

Purpose of the present utility model is to provide a kind of radiating efficiency height, seals microwave magnetron water-filled radiator reliable, compact conformation.

The technical solution that the utility model proposed is such: a kind of microwave magnetron water-filled radiator, described water-filled radiator 8 is provided with the pedestal 6 of band intermediate flange, these pedestal 6 tops are provided with water annulus 11, and flange 4 both sides on pedestal 6 are respectively equipped with inlet opening 5 and apopore 3 and connect with described water annulus 11.Described water-filled radiator 8 shaped design become axial Ω type.Wherein a kind of concrete design is: pedestal 6 is overall structure with water channel outer shroud 2, be provided with water channel ring core 1, this water channel ring core 1 is provided with axial bore 1-1, its bottom central authorities are provided with groove 1-2, be fitted in water channel ring core 1 in the water channel outer shroud 2 and form forward and backward circular weld 10, the upper flange 4 of pedestal also forms a gap 12 with the groove 1-2 coupling of water channel ring core.Another kind of concrete design is: pedestal 6 is overall structure with open type water annulus 22, these open type water annulus 22 1 sides are provided with opening 22-1, be provided with water annulus 11 in it, leave gap 12 between the interior ring 22-2 outer bottom central authorities of spacious form water annulus 22 and the upper flange 4 of pedestal 6 central authorities, be provided with that opening 22-1 that an annular cover plate 21 is fitted in open type water annulus 22 goes up and the inside and outside annular weld seam 23 of formation same side.Also be provided with axial U type groove 7 at pedestal 6 one side ends.Be provided with at least one in pedestal 6 bottoms screw 9 is installed, be used to install heat sensor.

Compared with prior art, the utlity model has following beneficial effect:

(1) since into and out of the foundation design of water hole screw connection point in water annulus, its cylindrical is identical with the external diameter of water-filled radiator, thereby can not influence the clamping of process of metal working, simultaneously, moulded practicality attractive in appearance, easy for installation.

(2) because the external diameter of water annulus endoporus and anode of magnetron is an interference fit, and the heat of magnetron can conduct by the current in the water channel efficiently and effectively, the radiating efficiency height guarantees that magnetron can stably work.

(3) according to concrete different structure, can adopt the section bar manufacturing, also can adopt die cast, weld seam is few, has only twice, has reduced the probability of welding seam leakage, has improved product percent of pass, has ensured the quality of product, has satisfied the requirement of product quantity-produced.

(4) this water-filled radiator profile adopts axial Ω formula design, and base platform and magnetron are convenient fixing in framework.Preset heat sensor installing hole and U type groove, made easy to assembly quick.

Description of drawings

Fig. 1 is the water channel ring core structural representation of a kind of water-filled radiator of the utility model, and wherein Fig. 1-a is a water channel ring core front view, and Fig. 1-b is the A-A cutaway view of Fig. 1-a, and Fig. 1-c is the B-B cutaway view of Fig. 1-a.

Fig. 2 is the pedestal and the water channel outer shroud integral structure schematic diagram of a kind of water-filled radiator of the utility model, and wherein Fig. 1-a is its front view, and Fig. 2-b is the upward view of Fig. 1-a.

Fig. 3 is the overall structure schematic diagram of the water-filled radiator that assembles by Fig. 1, Fig. 2 structure, and wherein Fig. 3-a is its front view, and Fig. 3-b is the D-D cutaway view of Fig. 3-a, and Fig. 3-c is the C-C cutaway view of Fig. 3-a.

Fig. 4 is the annular cover plate structural representation of the another kind of water-filled radiator of the utility model, and its Fig. 4-a is its front view, and Fig. 4-b is the E-E cutaway view of Fig. 4-a.

Fig. 5 is the pedestal and the open type water annulus integral structure schematic diagram of the another kind of water-filled radiator of the utility model, and wherein 5-a is its front view, and Fig. 5-b is the G-G cutaway view of Fig. 5-a, and Fig. 5-c is the F-F cutaway view of Fig. 5-a, and Fig. 5-d is the upward view of Fig. 5-a.

Fig. 6 is the overall structure schematic diagram of the water-filled radiator that assembles by Fig. 4, Fig. 5 structure, and wherein Fig. 6-a is its front view, and Fig. 6-b is the I-I cutaway view of Fig. 6-a, and Fig. 6-c is the H-H cutaway view of Fig. 6-a.

Fig. 7 is the three-dimensional structure cutaway view of the utility model water-filled radiator.

Embodiment

By following embodiment the utility model is further elaborated.

Embodiment 1

Referring to Fig. 1-Fig. 3 and shown in Figure 7, a kind of microwave magnetron water-filled radiator 8 is formed through the processing and forming Combination Welding by pedestal 6, water channel outer shroud 2, water channel ring core 11.The concrete size of water-filled radiator 8 is pressed the magnetron size and is decided.The water channel ring core 1 of water-filled radiator 8 can be squeezed into section bar processing by shape shown in Figure 1 and obtain, and also can cast acquisition.Pedestal 6 is an overall structure with water channel outer shroud 2, can be squeezed into section bar processing by shape shown in Figure 2 and obtain, and also can cast acquisition.Water channel ring core 1 setting-in is gone in the water channel outer shroud 2, along two closed loop weld seam 10 welding fabrications, form the water annulus 11 of water-filled radiator 8, upper flange 4 is as the watershed of water channel 11, and the shunting in order to the turnover current makes water annulus 11 become the circulation runner.Upper flange 4 forms a narrow slit 12 with water channel ring core 1 corresponding position, and its effect is to make water annulus 11 interior whole circumference all have water to flow through to derive heat, makes the heat radiation of anode of magnetron perisporium evenly.The endoporus 1-1 of water-filled radiator 8 is processed into the external diameter interference fit with anode of magnetron, behind setting-in and the welded seal, just becomes a complete magnetron water-filled radiator.The inlet opening 5, the apopore 3 that are marked among the figure can exchange.Water flowing operating pressure and the material welding process requirement of the wall thickness of water channel outer shroud 2 when using decided.The height of water channel outer shroud 2 and anode of magnetron height are complementary, the framework inner cavity size of the length of pedestal 6 and magnetron is complementary, the axial U type groove 1-2 of pedestal 6 one sides, in order to fixing standby screw slots, make it that back magnetron is installed and be fixed in the framework when its effect is water-filled radiator 8 installations.5,3 have attacked internal thread into and out of the water hole, in order to the extension tube attached joint.Two screws 9 are the installing hole of heat sensor.

Embodiment 2

Referring to Fig. 4-Figure 6 and Figure 7, another kind of microwave magnetron water-filled radiator 8 ' be welded through processing by 22 combinations of annular cover plate 21, pedestal 6, open type water annulus, the concrete size of water-filled radiator is by joining magnetron size and deciding.Pedestal 6 is an overall structure with open type water annulus 22, but casting, process behind each position and seal welding fabrication behind the equipped annular cover plate 21, weld seam 23 be large and small circle, and encircling the 22-2 endoporus in the external diameter interference fit processing by anode of magnetron at last becomes the magnetron water-filled radiator.Other structures and parameter are selected identical with example 1.

Installing and using of magnetron water-filled radiator: water-filled radiator adopts the temperature differential method heat packs to be installed in and is fitted on the anode of magnetron, if necessary can be fastening with screw on U type groove 7 and corresponding magnetron framework, be installed on request, the water out adapter parallel connection connects external water pipe.

Claims

1, a kind of microwave magnetron water-filled radiator, it is characterized in that: described water-filled radiator (8) is provided with the pedestal (6) of band intermediate flange, this pedestal (6) top is provided with water annulus (11), and flange (4) both sides on pedestal (6) are respectively equipped with inlet opening (5) and apopore (3) and connect with described water annulus (11).

2, water-filled radiator according to claim 1 is characterized in that: described water-filled radiator (8) shape is axial Ω type.

3, water-filled radiator according to claim 1, it is characterized in that: described pedestal (6) is an overall structure with water channel outer shroud (2), be provided with water channel ring core (1), this water channel ring core (1) is provided with axial bore (1-1), its bottom central authorities are provided with groove (1-2), described water channel ring core (1) is fitted in the water channel outer shroud (2) and forms forward and backward circular weld (10), and the groove (1-2) of the upper flange of described pedestal (4) and water channel ring core mates and forms a gap (12).

4, water-filled radiator according to claim 1, it is characterized in that: described pedestal (6) is an overall structure with open type water annulus (22), these open type water annulus (22) one sides are provided with opening (22-1), be provided with water annulus (11) in it, leave gap (12) between interior ring (22-2) the outer bottom central authorities of spacious form water annulus (22) and the upper flange (4) of described pedestal (6) central authorities, be provided with that opening (22-1) that an annular cover plate (21) is fitted in described open type water annulus (22) is gone up and the inside-and-outside ring weld seam (23) of formation same side.

5, water-filled radiator according to claim 1 is characterized in that: described pedestal (6) one side ends are provided with axial U type groove (7).

6, water-filled radiator according to claim 1 is characterized in that: described pedestal (6) bottom is provided with at least one screw (9) is installed.