A kind of water-cooled magnetron
1, technical field:
The utility model is a kind of water-cooled magnetron, belongs to the renovation technique of water-cooled magnetron.
2, background technology:
The structural representation of existing common air-cooled magnetron keyholed back plate is equipped with fin 7 outside its vacuum tube 1 as shown in Figure 1, mainly dispels the heat by convection current, heat conduction.The shortcoming of its existence is that radiating effect is not good enough, so that not only directly influence the stability of magnetron work, the power fall down of the magnetron course of work is obvious, and has directly influenced the useful life of magnetron.
3, summary of the invention:
The purpose of this utility model is to consider the problems referred to above and provides a kind of water-cooling pattern that adopts to substitute conventional forced air cooling heat radiation, solve the heat dissipation problem of magnetron, reduce the magnetron power fall down, improve the stability that magnetron works long hours, the water-cooled magnetron that prolongs its useful life.
Structural representation of the present utility model as shown in drawings, include vacuum tube (1), magnet (2), base plate (3) is installed, support (4), filtering unit (5), shielding box (6), wherein vacuum tube (1) is installed in the support (4), magnet (2) is sleeved on the two ends of vacuum tube (1), the end that base plate (3) is installed in support (4) is installed, filtering unit (5) and shielding box (6) are installed in the other end of support (4), wherein the anode tube (17) of vacuum tube (1) outside is set with cooling jacket (8), cooling jacket (8) includes water-jacket outer wall (9), water jacket inwall (11), water jacket inwall (11) is sleeved on the outside of anode tube (17), be provided with the tank (20) of cooling fluid process between water-jacket outer wall (9) and the water jacket inwall (11), tank (20) is by being arranged on advancing on the water-jacket outer wall (9), titting water outlet communicates with the cooling water circulating line.
Between above-mentioned water jacket inwall (11) and the anode tube (17) is interference fit, and water jacket (8) axially is pressed on the anode tube (17).
Between above-mentioned water jacket inwall (11) and the anode tube (17) is matched in clearance, coats heat-conducting silicone grease between water jacket inwall (11) and the anode tube (17).
Water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) is provided with the dividing plate (14) that separates water inlet and delivery port for being arranged on the pipe joint (12) (13) of water-jacket outer wall (9) side between the pipe joint (12) (13).
Aforementioned tube joint (12) (13) be distributed as up and down or about stagger, the axial difference in height between pipe joint (12) and the pipe joint (13) is H, in the horizontal direction angle is A between pipe joint (12) and the pipe joint (13).
The open end of above-mentioned tank (20) is provided with cover plate (21), is connected by screw (25) between tank seat (26) and the cover plate (21).
Be provided with screw seal washer (22) between above-mentioned cover plate (21) and the screw (25), be provided with cover plate for sealing packing ring (23), cover plate for sealing packing ring (24) between tank seat (26) and the cover plate (21).
Water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) for the pipe joint (10) that is arranged on water jacket (8) both ends of the surface (10a), pipe joint (10) (10a) is installed in respectively on the water-jacket cover plate (15) and water jacket base plate (16) of water jacket (8) both ends of the surface.
Water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) is for being arranged on the pipe joint (18) (19) of water-jacket outer wall (9) side, centre-to-centre spacing between pipe joint (18) and the pipe joint (19) is L, and in the horizontal direction angle is 0 between pipe joint (18) and the pipe joint (19).
Aforementioned tube joint (12), pipe joint (13), pipe joint (10), pipe joint (10a), pipe joint (18), pipe joint (19) can be the step threaded pipe joint, also can be the step pipe joint, can can lock by larynx hoop device (27) locking maybe can passing through nut (28) between step threaded pipe joint and the flexible pipe (29) by larynx hoop device (27) locking between step pipe joint and the flexible pipe (29).
The utility model is owing to adopt water-cooling pattern to substitute the structure of conventional forced air cooling heat radiation, therefore, the heat dissipation problem that it not only solves magnetron reduces the magnetron power fall down, improve the stability that magnetron works long hours, and prolonged the useful life of magnetron.The utility model is a kind of simple in structure, function admirable, convenient and practical water-cooled magnetron.
4, description of drawings:
Fig. 1 is the prior art constructions schematic diagram;
Fig. 2 is an outline drawing of the present utility model;
Fig. 3 is the structural representation of the utility model embodiment 1;
Fig. 4-1 is the structural representation of cooling jacket among the utility model embodiment 1 (8);
Fig. 4-2 is the vertical view of Fig. 4-1;
Fig. 5-1 is the structural representation of cooling jacket among the utility model embodiment 2 (8);
Fig. 5-2 is the vertical view of Fig. 5-1;
Fig. 6-1 is the structural representation of cooling jacket among the utility model embodiment 3 (8);
Fig. 6-2 is the vertical view of Fig. 6-1;
Fig. 6-3 is the A-A cutaway view of Fig. 6-1;
Fig. 7 is the structural representation of the utility model embodiment 4;
Fig. 8-1, Fig. 8-2, Fig. 8-3 are the structural representation of the utility model water-in and water-out pipe joint.
5, embodiment:
Embodiment 1:
Structural representation of the present utility model such as Fig. 2, shown in 3, include vacuum tube (1), magnet (2), base plate (3) is installed, support (4), filtering unit (5), shielding box (6), wherein vacuum tube (1) is installed in the support (4), magnet (2) is sleeved on the two ends of vacuum tube (1), the end that base plate (3) is installed in support (4) is installed, filtering unit (5) and shielding box (6) are installed in the other end of support (4), anode tube (17) outside that it is characterized in that vacuum tube (1) is set with cooling jacket (8), cooling jacket (8) includes water-jacket outer wall (9), water jacket inwall (11), water jacket inwall (11) is sleeved on the outside of anode tube (17), be provided with the tank (20) of cooling fluid process between water-jacket outer wall (9) and the water jacket inwall (11), tank (20) is by being arranged on advancing on the water-jacket outer wall (9), titting water outlet communicates with the cooling water circulating line.Cooling fluid is taken away the heat that vacuum tube (1) transmits by anode tube (17) through the passage between water-jacket outer wall (9) and the water jacket inwall (11).
Between above-mentioned water jacket inwall (11) and the anode tube (17) is interference fit, and water jacket (8) axially is pressed on the anode tube (17).Because contact area is excessive, be pressed into vacuum tube after can heating between water jacket and the tube as anode tube of vacuum.Or be matched in clearance between above-mentioned water jacket inwall (11) and the anode tube (17), coat heat-conducting silicone grease between water jacket inwall (11) and the anode tube (17), with further raising radiating effect.
The structural representation of cooling jacket in the utility model (8) is shown in Fig. 4-1,4-2, water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) is provided with the dividing plate (14) that separates water inlet and delivery port for being arranged on the pipe joint (12) (13) of water-jacket outer wall (9) side between the pipe joint (12) (13).Aforementioned tube joint (12) (13) be distributed as up and down or about stagger, the axial difference in height between pipe joint (12) and the pipe joint (13) is H, in the horizontal direction angle is A between pipe joint (12) and the pipe joint (13).Separate water inlet and delivery port with dividing plate (14) between the pipe joint (12) (13), make cooling fluid take away heat around the tube as anode tube of vacuum (17) of column type.About being distributed as of pipe joint, about stagger, ensure water-in and water-out in the both sides of dividing plate (14), and have water-head at vacuum tube (1) axial direction, the water inlet of low temperature enters by the low water pipe of water level, the water outlet of high temperature is flowed out by the high water pipe of water level.This cooling jacket is installed simple, and the water inlet pipe and water outlet pipe of side is difficult for interfering with other parts occurrence positions of magnetron.The setting of included angle A more helps reducing to come in and go out the coolant flow resistance.
Embodiment 2:
Structure of the present utility model is identical with embodiment 1, difference is the structure difference of cooling jacket (8), its structural representation is shown in Fig. 5-1,5-2, and the open end of above-mentioned tank (20) is provided with cover plate (21), is connected by screw (25) between tank seat (26) and the cover plate (21).
Be provided with screw seal washer (22) between above-mentioned cover plate (21) and the screw (25), be provided with cover plate for sealing packing ring (23), cover plate for sealing packing ring (24) between tank seat (26) and the cover plate (21).Matching part reaches the water-impervious purpose with seal washer (22) (23) (24).
Embodiment 3:
Structure of the present utility model is identical with embodiment 1, difference is the structure difference of cooling jacket (8), its structural representation is shown in Fig. 6-1,6-2,6-3, water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) is for being arranged on the pipe joint (18) (19) of water-jacket outer wall (9) side, centre-to-centre spacing between pipe joint (18) and the pipe joint (19) is L, and in the horizontal direction angle is 0 between pipe joint (18) and the pipe joint (19).The water pipe head of no angle is arranged, helps reducing the Mold Making expense, forms and produces in batches.
Embodiment 4:
Structure of the present utility model is identical with embodiment 1, difference is the structure difference of cooling jacket (8), its structural representation as shown in Figure 7, water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) for the pipe joint (10) that is arranged on water jacket (8) both ends of the surface (10a), pipe joint (10) (10a) is installed in respectively on the water-jacket cover plate (15) and water jacket base plate (16) of water jacket (8) both ends of the surface.
Water-in and water-out pipe joint on the above-mentioned water-jacket outer wall (9) for the pipe joint (10) that is arranged on water jacket (8) both ends of the surface (10a), pipe joint (10) (10a) is installed in respectively on the water-jacket cover plate (15) and water jacket base plate (16) of water jacket (8) both ends of the surface.This cooling structure exists water-head bigger than embodiment 1 at vacuum tube (1) axial direction, and the water inlet of low temperature enters by the low water pipe of water level, and the water outlet of high temperature is flowed out by the high water pipe of water level, is more conducive to abundant heat radiation.
In the foregoing description 1,2,3,4, pipe joint (12), pipe joint (13), pipe joint (10), pipe joint (10a), pipe joint (18), pipe joint (19) can be the step threaded pipe joint, also can be the step pipe joint, can can lock by larynx hoop device (27) locking maybe can passing through nut (28) between step threaded pipe joint and the flexible pipe (29) by larynx hoop device (27) locking between step pipe joint and the flexible pipe (29).No matter the step threaded pipe joint is to adopt nut or adopt larynx hoop device locking flexible pipe and joint, can both play good effect, and seepage does not take place under higher hydraulic pressure.