Samarium cobalt magnetic steel for central air conditioner compressor

Abstract

The utility model relates to the technical field of samarium-cobalt magnetic steel, and discloses samarium-cobalt magnetic steel for a central air-conditioning compressor, which comprises a rotating shaft, a flywheel is fixedly connected to the surface of the rotating shaft, a heat-conducting plate is fixedly connected to the inner wall of the flywheel, tile-shaped magnetic steel is fixedly connected to the surface of the heat-conducting plate and the inner wall of the flywheel, and the tile-shaped magnetic steel is fixedly connected to the surface of the heat-conducting plate. A through hole is formed in the heat conduction plate, a heat conduction pipe is fixedly connected to the inner wall of the through hole, annular pipes are fixedly connected to the left end and the right end of the heat conduction pipe, liquid inlets and outlets are formed in the side faces of the annular pipes, and first bearings are fixedly connected to the surfaces of the annular pipes. According to the samarium-cobalt magnetic steel, the heat conduction plate, the heat conduction pipe, the annular pipe, the liquid inlet / outlet, the first bearing, the second bearing, the annular cover and the liquid inlet / outlet pipe are matched, so that the heat of the tile-shaped magnetic steel can be quickly dissipated, the temperature of the samarium-cobalt magnetic steel cannot be too high, and the magnetic property of the samarium-cobalt magnetic steel cannot be reduced due to high temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of samarium cobalt magnets, in particular to a samarium cobalt magnet for a central air-conditioning compressor. Background Art

[0002] The central air-conditioning system consists of one or more cold and heat source systems and multiple air conditioning systems. It uses the principle of liquid vaporization refrigeration to provide the required cooling capacity for the air conditioning system to offset the heat load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the cooling and heating loads of the indoor environment.

[0003] At present, the rotor in the central air-conditioning compressor is composed of a rotating shaft, a flywheel, a samarium cobalt magnet and a guard ring, wherein the flywheel is fixedly mounted on the rotating shaft, the outer ring of the flywheel is evenly provided with convex ribs, the samarium cobalt magnet is an arc-shaped tile-shaped magnet, the inner side of the samarium cobalt magnet is installed between two adjacent convex ribs, and the guard ring is sleeved on the outer side of the samarium cobalt magnet. However, since the central air-conditioning compressor generates a lot of heat when in use, and the heat cannot be dissipated in the samarium cobalt magnet in time, the magnetism of the samarium cobalt magnet is often reduced due to the high temperature of the samarium cobalt magnet, and the operation of the central air-conditioning compressor is affected. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, since the central air-conditioning compressor generates a large amount of heat when in use, and the heat cannot be dissipated in time in the samarium cobalt magnet, the magnetism is often reduced due to the high temperature of the samarium cobalt magnet, and the operation of the central air-conditioning compressor is affected, and a samarium cobalt magnet for a central air-conditioning compressor is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A samarium-cobalt magnet for a central air-conditioning compressor comprises a rotating shaft, a flywheel is fixedly connected to the surface of the rotating shaft, a heat conducting plate is fixedly connected to the inner wall of the flywheel, the surface of the heat conducting plate and the inner wall of the flywheel are both fixedly connected to tile-shaped magnets, a through hole is provided inside the heat conducting plate, a heat conducting pipe is fixedly connected to the inner wall of the through hole, an annular tube is fixedly connected to the left and right ends of the heat conducting pipe, a liquid inlet and outlet are provided on the side of the annular tube, a first bearing is fixedly connected to the surface of the annular tube, a second bearing is fixedly connected to the inner wall of the annular tube, an annular cover is fixedly connected to the surface of the first bearing and the inner wall of the second bearing, and the side of the annular cover is fixedly connected to the liquid inlet and outlet pipes.

[0007] Preferably, a cylinder is provided inside the heat conducting pipe, and spiral blades are fixedly connected to the surface of the cylinder and the inner wall of the heat conducting pipe.

[0008] Preferably, a baffle is fitted on the side of the annular tube, a circular hole is opened inside the baffle, a threaded barrel is fitted on the inner wall of the circular hole, the inner wall of the threaded barrel is fixedly connected to the surface of the heat-conducting tube, a nut is threadedly connected to the surface of the threaded barrel, the side of the nut contacts the side of the baffle, a first circular ring is connected to the side of the baffle, the inner wall of the first circular ring contacts the surface of the annular tube, a second circular ring is fixedly connected to the side of the baffle, the surface of the second circular ring contacts the inner wall of the annular tube, a first sealing ring is fitted on the side of the first circular ring, the surface of the annular tube, the inner wall of the annular cover and the side of the first bearing, and a second sealing ring is fitted on the side of the second circular ring, the inner wall of the annular tube, the inner wall of the annular cover and the side of the second bearing.

[0009] Preferably, the center of the annular tube coincides with the axis of the rotating shaft.

[0010] Preferably, an elastic metal ring is arranged inside the second sealing ring.

[0011] Preferably, the maximum distance between the first circular ring and the annular cover is equal to the width of the first sealing ring, and the maximum distance between the second circular ring and the annular cover is equal to the width of the second sealing ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model can transfer the heat in the tile-shaped magnetic steel to the heat-conducting plate through the heat-conducting plate. At the same time, through the cooperation of the heat-conducting pipe, the annular pipe, the liquid inlet and outlet, the first bearing, the second bearing, the annular cover and the liquid inlet and outlet pipe, the coolant can flow in the heat-conducting plate and take away the heat in the heat-conducting plate through the flowing coolant. Then, through the cooperation of the heat-conducting plate, the heat-conducting pipe, the annular pipe, the liquid inlet and outlet, the first bearing, the second bearing, the annular cover and the liquid inlet and outlet pipe, the heat of the tile-shaped magnetic steel can be quickly dissipated, so that the temperature of the samarium-cobalt magnetic steel will not be too high and the magnetic properties of the samarium-cobalt magnetic steel will not be reduced due to high temperature.

[0014] (2) The utility model can fix the first sealing ring and the second sealing ring on the annular tube through the cooperation of the baffle plate, the circular hole, the threaded tube, the nut, the first circular ring and the second circular ring. At the same time, the first sealing ring can seal the first bearing and the second sealing ring can seal the second bearing. Furthermore, through the cooperation of the baffle plate, the circular hole, the threaded tube, the nut, the first circular ring, the second circular ring, the first sealing ring and the second sealing ring, the coolant of the annular cover is not easy to leak from the first bearing or the second bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 For this utility model Figure 1 Sectional view at the middle BB;

[0018] Figure 4 It is a side view of the heat conducting plate in the utility model;

[0019] Figure 5 It is a side view of the annular tube in the utility model;

[0020] Figure 6 It is a side view of the annular cover in the utility model;

[0021] Figure 7 It is a side view of the baffle in the utility model;

[0022] Figure 8 It is a schematic diagram of the interior of the second sealing ring in the present invention.

[0023] In the figure: 1, rotating shaft; 2, flywheel; 3, heat conducting plate; 4, tile-shaped magnetic steel; 5, through hole; 6, heat conducting pipe; 7, annular pipe; 8, liquid inlet and outlet; 9, first bearing; 10, second bearing; 11, annular cover; 12, liquid inlet and outlet pipes; 13, cylinder; 14, spiral blade; 15, baffle; 16, circular hole; 17, threaded barrel; 18, nut; 19, first circular ring; 20, second circular ring; 21, first sealing ring; 22, second sealing ring; 23, elastic metal ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Embodiment 1:

[0027] Reference Figure 1-6A samarium-cobalt magnet for a central air-conditioning compressor comprises a rotating shaft 1, a flywheel 2 is fixedly connected to the surface of the rotating shaft 1, a heat conducting plate 3 is fixedly connected to the inner wall of the flywheel 2, a tile-shaped magnet 4 is fixedly connected to the surface of the heat conducting plate 3 and the inner wall of the flywheel 2, heat in the tile-shaped magnet 4 can be transferred to the heat conducting plate 3 through the heat conducting plate 3, a through hole 5 is provided inside the heat conducting plate 3, a heat conducting pipe 6 is fixedly connected to the inner wall of the through hole 5, an annular pipe 7 is fixedly connected to the left and right ends of the heat conducting pipe 6, the center of the annular pipe 7 coincides with the axis of the rotating shaft 1, a liquid inlet and outlet 8 is provided on the side of the annular pipe 7, and the surface of the annular pipe 7 is fixedly A first bearing 9 is fixedly connected to the annular tube 7, a second bearing 10 is fixedly connected to the inner wall of the annular tube 7, an annular cover 11 is fixedly connected to the surface of the first bearing 9 and the inner wall of the second bearing 10, and the annular tube 7 can rotate freely in the annular cover 11 through the cooperation of the first bearing 9 and the second bearing 10, and the side of the annular cover 11 is fixedly connected with an inlet and outlet pipe 12, and the coolant can flow in the heat conducting plate 3 through the cooperation of the heat conducting pipe 6, the annular tube 7, the inlet and outlet port 8, the first bearing 9, the second bearing 10, the annular cover 11 and the inlet and outlet pipe 12, and the heat in the heat conducting plate 3 is taken away by the flowing coolant.

[0028] A cylinder 13 is provided inside the heat pipe 6, and spiral blades 14 are fixedly connected to the surface of the cylinder 13 and the inner wall of the heat pipe 6. Through the cooperation of the spiral blades 14 and the cylinder 13, the time for the coolant to pass through the heat pipe 6 is increased, and the coolant can quickly take away the heat of the heat conducting plate 3.

[0029] Embodiment 2:

[0030] Reference Figure 1-8The side of the annular tube 7 is fitted with a baffle 15, a circular hole 16 is opened inside the baffle 15, a threaded tube 17 is fitted on the inner wall of the circular hole 16, the inner wall of the threaded tube 17 is fixedly connected to the surface of the heat conducting tube 6, a nut 18 is threadedly connected to the surface of the threaded tube 17, the side of the nut 18 contacts the side of the baffle 15, a first circular ring 19 is connected to the side of the baffle 15, the inner wall of the first circular ring 19 contacts the surface of the annular tube 7, and a second circular ring 19 is fixedly connected to the side of the baffle 15 20, the surface of the second ring 20 contacts the inner wall of the annular tube 7, the side of the first ring 19, the surface of the annular tube 7, the inner wall of the annular cover 11 and the side of the first bearing 9 are all fitted with a first sealing ring 21, the side of the second ring 20, the inner wall of the annular tube 7, the inner wall of the annular cover 11 and the side of the second bearing 10 are all fitted with a second sealing ring 22, and an elastic metal ring 23 is arranged inside the second sealing ring 22. When the second sealing ring 22 is inserted into the annular tube 7, Through the elastic force of the elastic metal ring 23, the second sealing ring 22 can be in close contact with the annular tube 7, which makes it easy for the user to install the second sealing ring 22 into the annular cover 11. The maximum distance between the first circular ring 19 and the annular cover 11 is equal to the width of the first sealing ring 21, and the maximum distance between the second circular ring 20 and the annular cover 11 is equal to the width of the second sealing ring 22. Through the cooperation of the baffle 15, the circular hole 16, the threaded tube 17, the nut 18, the first circular ring 19 and the second circular ring 20, the first sealing ring 21 and the second sealing ring 22 can be fixed on the annular tube 7. At the same time, the first sealing ring 21 can seal the first bearing 9, and the second sealing ring 22 can seal the second bearing 10. Furthermore, through the cooperation of the baffle 15, the circular hole 16, the threaded tube 17, the nut 18, the first circular ring 19, the second circular ring 20, the first sealing ring 21 and the second sealing ring 22, the coolant of the annular cover 11 is not easy to leak from the first bearing 9 or the second bearing 10.

[0031] In the utility model, when the samarium cobalt magnet is in use, the heat in the tile-shaped magnet 4 can be transferred to the heat conducting plate 3 through the heat conducting plate 3. At the same time, through the cooperation of the heat conducting pipe 6, the annular pipe 7, the liquid inlet and outlet 8, the first bearing 9, the second bearing 10, the annular cover 11 and the liquid inlet and outlet pipe 12, the coolant can flow in the heat conducting plate 3, and the heat in the heat conducting plate 3 is taken away by the flowing coolant. Then, through the cooperation of the heat conducting plate 3, the heat conducting pipe 6, the annular pipe 7, the liquid inlet and outlet 8, the first bearing 9, the second bearing 10, the annular cover 11 and the liquid inlet and outlet pipe 12, the heat of the tile-shaped magnet 4 can be quickly dissipated, and the temperature of the samarium cobalt magnet will not be too high.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A samarium-cobalt magnet for a central air-conditioning compressor, comprising a rotating shaft (1), characterized in that: The surface of the rotating shaft (1) is fixedly connected to a flywheel (2), the inner wall of the flywheel (2) is fixedly connected to a heat conducting plate (3), the surface of the heat conducting plate (3) and the inner wall of the flywheel (2) are both fixedly connected to a tile-shaped magnetic steel (4), a through hole (5) is provided inside the heat conducting plate (3), the inner wall of the through hole (5) is fixedly connected to a heat conducting pipe (6), both left and right ends of the heat conducting pipe (6) are fixedly connected to an annular tube (7), a side of the annular tube (7) is provided with a liquid inlet and outlet (8), the surface of the annular tube (7) is fixedly connected to a first bearing (9), the inner wall of the annular tube (7) is fixedly connected to a second bearing (10), the surface of the first bearing (9) and the inner wall of the second bearing (10) are both fixedly connected to an annular cover (11), and the side of the annular cover (11) is fixedly connected to a liquid inlet and outlet pipe (12).

2. The samarium cobalt magnet for a central air-conditioning compressor according to claim 1, characterized in that: A cylinder (13) is arranged inside the heat-conducting pipe (6), and spiral blades (14) are fixedly connected to the surface of the cylinder (13) and the inner wall of the heat-conducting pipe (6).

3. The samarium cobalt magnet for a central air-conditioning compressor according to claim 1, characterized in that: A baffle (15) is provided on the side of the annular tube (7), a circular hole (16) is provided inside the baffle (15), a threaded tube (17) is provided on the inner wall of the circular hole (16), the inner wall of the threaded tube (17) is fixedly connected to the surface of the heat-conducting tube (6), a nut (18) is threadedly connected to the surface of the threaded tube (17), the side of the nut (18) is in contact with the side of the baffle (15), the side of the baffle (15) is connected to a first circular ring (19), the inner wall of the first circular ring (19) is in contact with the annular tube The side surface of the baffle (15) is fixedly connected to a second circular ring (20), the surface of the second circular ring (20) is in contact with the inner wall of the annular tube (7), the side surface of the first circular ring (19), the surface of the annular tube (7), the inner wall of the annular cover (11) and the side surface of the first bearing (9) are all fitted with a first sealing ring (21), and the side surface of the second circular ring (20), the inner wall of the annular tube (7), the inner wall of the annular cover (11) and the side surface of the second bearing (10) are all fitted with a second sealing ring (22).

4. The samarium cobalt magnet for a central air-conditioning compressor according to claim 1, characterized in that: The center of the annular tube (7) coincides with the axis of the rotating shaft (1).

5. The samarium cobalt magnet for a central air-conditioning compressor according to claim 3, characterized in that: An elastic metal ring (23) is arranged inside the second sealing ring (22).

6. The samarium cobalt magnet for a central air-conditioning compressor according to claim 3, characterized in that: The maximum distance between the first circular ring (19) and the annular cover (11) is equal to the width of the first sealing ring (21), and the maximum distance between the second circular ring (20) and the annular cover (11) is equal to the width of the second sealing ring (22).

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