CN212875552U - Motor protective housing with hydrologic cycle heat conduction and neutron radiation prevention function - Google Patents

Abstract

The invention discloses a motor protection shell with water circulation heat conduction and neutron radiation prevention functions, which comprises a protection shell body, wherein the protection shell body comprises a water circulation heat dissipation device and a radiation shielding layer; the water circulation heat dissipation device comprises a heat conduction tile and a heat exchanger; the heat conducting tiles are a plurality of pieces and are uniformly distributed on the circumference by taking the axis of the motor as the center; a coil-shaped water circulation flow channel is arranged in the heat conduction tile; and the heat conduction tile is respectively provided with a water inlet and a water outlet which are communicated with the water circulation flow channel. According to the invention, the motor is wrapped in a sealing manner by arranging a plurality of heat conduction tiles which are uniformly distributed on the circumference by taking the axis of the motor as the center, and a water circulation flow channel with a coil-shaped structure is arranged in each heat conduction tile to discharge heat absorbed by the heat conduction tile from the motor; meanwhile, the radiation shielding layer is sleeved on the outer side of the heat conducting tile to wrap the whole heat conducting tile and the motor, so that the efficient shielding of neutrons is realized, and the good heat conducting and efficient and static heat radiating effects are achieved for the motor.

Description

Motor protective housing with hydrologic cycle heat conduction and neutron radiation prevention function

Technical Field

The invention relates to the technical field of motors, in particular to a motor protection shell with water circulation heat conduction and neutron radiation prevention functions.

Background

Neutrons are uncharged, so that the neutron probe has strong penetrability, is an ideal probe for researching the microstructure of a substance, and is widely applied to the fields of medical treatment, industry, particle physics, nuclear physics laboratories and the like; meanwhile, because neutron radiation has strong penetrability and has a large reaction section for various materials, generally between a few to dozens of barns, equipment devices and materials can be damaged, and human bodies can be injured; therefore, to avoid neutron radiation damage, it is desirable to shield neutrons from radiation as much as possible while applying neutrons.

The existing radiation-resistant motor is reinforced and upgraded mainly from the aspects of materials, parts, processes and the like of the motor, although the motor can achieve a certain effect of resisting neutron radiation; however, on some occasions where neutron radiation energy is larger and intensity is higher, the existing radiation-resistant motor cannot effectively absorb and shield neutrons, so that the motor is damaged.

In addition, the motor generates heat when running, and a radiator is needed to conduct heat conduction and radiate the motor; for a motor with large heat dissipation capacity and high static requirement, heat dissipation needs to be carried out in a passive heat dissipation mode, but the shielding and moderation absorption effects of a common passive heat dissipation mode on neutrons are poor; effective neutron shielding cannot be achieved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a motor protection shell which can effectively shield neutrons and improve the heat dissipation performance of a motor and has water circulation heat dissipation and radiation protection functions, so as to solve the problems in the background art.

The technical scheme adopted by the invention is as follows:

a motor protection shell with water circulation heat conduction and neutron radiation prevention functions comprises a protection shell body and is characterized in that the protection shell body comprises a water circulation heat dissipation device and a radiation shielding layer; the water circulation heat dissipation device comprises a heat conduction tile and a heat exchanger; the heat conducting tiles are a plurality of pieces and are uniformly distributed on the circumference by taking the axis of the motor as the center; the heat conducting tile extends from the upper end of the motor to the lower end of the motor to hermetically wrap the motor; the radiation shielding layer is sleeved on the outer side of the heat conducting tile.

Preferably, a coil-shaped water circulation flow channel is arranged in the heat conduction tile; and the heat conduction tile is respectively provided with a water inlet and a water outlet which are communicated with the water circulation flow channel.

Preferably, the water inlets and the water outlets of the plurality of heat conducting tiles are respectively communicated with a water inlet branch pipe and a water outlet branch pipe, and the other ends of the water inlet branch pipe and the water outlet branch pipe are respectively communicated with a water separator and a water collector; the water inlet end of the water separator and the water outlet end of the water collector are respectively communicated with the heat exchanger through a water inlet main pipe and a water outlet main pipe.

Preferably, the protective shell body further comprises an upper end cover and a lower end cover which are arranged at the upper end and the lower end of the motor; and the upper end cover and the lower end cover are respectively connected with the radiation shielding layer in a sealing way.

Preferably, the upper end cover, the lower end cover and the radiation shielding layer are made of boron-containing polyethylene.

Preferably, the joint of the outer side of the radiation shielding layer and the water inlet branch pipe and the water outlet branch pipe is a first connecting port, and the joint of the inner side of the radiation shielding layer and the water inlet branch pipe and the water outlet branch pipe is a second connecting port; the first connecting port is positioned above or below the second connecting port.

Preferably, the protective shell body further comprises a fixed shell; the fixed shell is sleeved on the outer sides of the upper end cover, the radiation shielding layer and the lower end cover.

Compared with the prior art, the invention has the beneficial effects that:

the protective shell body of the invention consists of a water circulation heat dissipation device and a radiation shielding layer, the motor is hermetically wrapped by arranging a plurality of heat conduction tiles which are uniformly distributed around the axis of the motor as the center, and a water circulation flow passage with a coil-shaped structure is arranged in each heat conduction tile to discharge heat absorbed by each heat conduction tile from the motor; meanwhile, the radiation shielding layer is sleeved on the outer side of the heat conducting tile to wrap the whole heat conducting tile and the motor, so that the effective shielding of neutrons is realized, and the good heat conducting and efficient and static heat radiating effects are achieved for the motor.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a right side view of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 3;

wherein: the water circulation heat dissipation device comprises a protective shell body 1, a water circulation heat dissipation device 2, a radiation shielding layer 3, an upper end cover 4, a lower end cover 5, a fixed shell 6, a water distributor 7, a water collector 8, a water inlet branch pipe 9, a water outlet branch pipe 10, a water inlet main pipe 11, a water outlet main pipe 12, a heat conduction tile 21, a heat exchanger 22, a first connecting port 31, a second connecting port 32, a water inlet 121, a water outlet 122 and a water circulation flow channel 213.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention will be further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1 to 5, a motor protective case with water circulation heat conduction and neutron radiation prevention functions comprises a protective case body 1, and is characterized in that the protective case body 1 comprises a water circulation heat dissipation device 2 and a radiation shielding layer 3; the water circulation heat dissipation device 2 comprises a heat conduction tile 21 and a heat exchanger 22; the heat conducting tiles 21 are a plurality of pieces and are uniformly distributed on the circumference by taking the axis of the motor as the center; the heat conducting tile 21 extends from the upper end of the motor 13 to the lower end of the motor 13 to hermetically wrap the motor 13; the radiation shielding layer 3 is sleeved on the outer side of the heat conducting tile 21.

In this embodiment, the heat conducting tiles 21 are three, and are tightly attached to the motor by welding or the like, or are directly machined and manufactured on the motor casing, and the adjacent heat conducting tiles 21 are tightly attached to each other, the radiation shielding layer 3 is manufactured by casting or the like, and then is sleeved outside the heat conducting tiles to fully slow and absorb neutrons, so that the neutrons are prevented from radiating the motor, and the motor is damaged; the heat conducting tile is made of metal materials with high heat conducting and radiating capacities such as aluminum or copper and is used for efficiently conducting heat generated by the operation of the motor.

Further, as shown in fig. 5, a coil-shaped water circulation flow channel 213 is arranged in the heat conduction tile 21; the heat conducting tile 21 is provided with a water inlet 211 and a water outlet 212 which are communicated with the water circulation flow channel 213, and the water circulation flow channel 213 with a coil-shaped structure is arranged in the heat conducting tile 21 to ensure that water flow is uniform, so that the heat conducting and radiating capacities of the heat conducting tile 21 are improved.

Furthermore, the water inlets and the water outlets of the plurality of heat conducting tiles are respectively communicated with a water inlet branch pipe and a water outlet branch pipe, and the other ends of the water inlet branch pipe and the water outlet branch pipe are respectively communicated with a water separator and a water collector; the water inlet end of the water separator and the water outlet end of the water collector are respectively communicated with the heat exchanger through a water inlet main pipe and a water outlet main pipe.

In this embodiment, the heat generated by the operation of the motor 13 is transferred to three heat conducting tiles 21 attached to the motor 13; then the cooling water flows from the main water inlet pipe 11 through the water separator 7 and the water inlet branch pipe 9 in sequence and flows into the water circulation flow channel 213 from the water inlet 211 of the heat conducting tile 21;

then the flowing cooling water absorbs the heat of the heat conducting tile 13 and turns into hot water which flows from the water outlet 212 of the heat conducting tile 21 to the water collector 8 and flows back to the heat exchanger 22, thereby forming a water cooling circulation system; each independent heat conducting tile 21 is an independent water cooling circulation system, and efficient and static heat dissipation of the motor 13 is achieved.

Further, as shown in fig. 1, the protective casing body 1 further includes an upper end cover 4 and a lower end cover 5 disposed at the upper and lower ends of the motor 13; the upper end cover 4 and the lower end cover 5 are respectively connected with the radiation shielding layer 3 in a sealing way.

Further, as shown in fig. 1, the upper end cap 4, the lower end cap 5 and the radiation shielding layer 3 are made of boron-containing polyethylene; the boron-containing polyethylene is formed by adopting 20% of highly crushed particles and powder of boron carbide and then being dissolved in polyethylene by a physical method, has good chemical stability and high temperature resistance, and strong neutron moderating capability, so that the upper end cover 4, the lower end cover 5 and the radiation shielding layer 3 achieve the purpose of shielding neutrons.

In this embodiment, the heat conducting tile 21 and the motor are all covered by the upper end cover, the lower end cover 5 and the radiation shielding layer 3 made of boron-containing polyethylene material, so as to achieve the effect of shielding neutrons.

Further, as shown in fig. 3, a first connection port 31 is formed at a connection position between the outer side of the radiation shielding layer 3 and the water inlet branch pipe 9 and the water outlet branch pipe 10, and a second connection port 32 is formed at a connection position between the inner side of the radiation shielding layer 3 and the water inlet branch pipe 9 and the water outlet branch pipe 10; the first connection port 31 is located above or below the second connection port 32.

In this embodiment, the water inlet branch pipe 9 and the water outlet branch pipe 10 which adopt the structure penetrate through the radiation shielding layer 3, neutrons can be prevented from directly entering the motor 13 from the water inlet branch pipe 9 and the water outlet branch pipe 10, the motor protective housing is ensured to shield the neutrons, and the service life of the motor is further prolonged.

Further, as shown in fig. 1, the protective shell body 1 further includes a fixed shell 6; the fixed shell 6 is sleeved outside the upper end cover 4, the radiation shielding layer 3 and the lower end cover 5; the fixed shell 6 is used for covering the upper end cover 4, the radiation shielding layer 3 and the lower end cover 5, so that the purpose of fixedly protecting the radiation shielding layer 3 is achieved, and the radiation protection capability of the motor protection shell is ensured.

In summary, the protective case body 1 of the present invention is composed of the water circulation heat dissipation device 2 and the radiation shielding layer 3, the motor 13 is hermetically wrapped by arranging a plurality of heat conduction tiles 1 which are uniformly distributed around the axis of the motor 13 as the center, and the water circulation flow channel 213 with a coil-shaped structure is arranged in the heat conduction tile 21, so as to discharge the heat absorbed by the heat conduction tile 21 from the motor 13; meanwhile, the radiation shielding layer is sleeved on the outer side of the heat conducting tile to wrap the whole heat conducting tile 21 and the motor, so that the heat conducting tile not only can fully shield and absorb neutrons, but also has good heat conducting and efficient and static heat radiating effects on the motor. The specific material of the shielding layer adopts, the geometric dimension, the specific design and other factors, and for complex conditions, simulation and design are carried out according to Monte Carlo algorithm (FLUKA, MCNP and the like) before manufacturing.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protective scope of the present patent claims.

Claims (7)

1. A motor protection shell with water circulation heat conduction and neutron radiation prevention functions comprises a protection shell body and is characterized in that the protection shell body comprises a water circulation heat dissipation device and a radiation shielding layer; the water circulation heat dissipation device comprises a heat conduction tile and a heat exchanger; the heat conducting tiles are a plurality of pieces and are uniformly distributed on the circumference by taking the axis of the motor as the center; the heat conducting tile extends from the upper end of the motor to the lower end of the motor to hermetically wrap the motor; the radiation shielding layer is sleeved on the outer side of the heat conducting tile.

2. The motor protection shell with the functions of water circulation heat conduction and neutron radiation prevention according to claim 1, wherein a coil-shaped water circulation flow channel is arranged in the heat conduction tile; and the heat conduction tile is respectively provided with a water inlet and a water outlet which are communicated with the water circulation flow channel.

3. The motor protective shell with the functions of water circulation heat conduction and neutron radiation prevention according to claim 1, wherein water inlets and water outlets of the plurality of heat conduction tiles are respectively communicated with a water inlet branch pipe and a water outlet branch pipe, and the other ends of the water inlet branch pipe and the water outlet branch pipe are respectively communicated with a water separator and a water collector; the water inlet end of the water separator and the water outlet end of the water collector are respectively communicated with the heat exchanger through a water inlet main pipe and a water outlet main pipe.

4. The motor protection shell with the water circulation heat conduction and neutron radiation prevention functions as claimed in claim 1, wherein the protection shell body further comprises an upper end cover and a lower end cover which are arranged at the upper end and the lower end of the motor; and the upper end cover and the lower end cover are respectively connected with the radiation shielding layer in a sealing way.

5. The motor protective shell with the functions of water circulation heat conduction and neutron radiation prevention according to claim 4, wherein the upper end cover, the lower end cover and the radiation shielding layer are made of boron-containing polyethylene.

6. The motor protection shell with the functions of water circulation heat conduction and neutron radiation prevention according to claim 1, wherein a joint of the outer side of the radiation shielding layer and the water inlet branch pipe and the water outlet branch pipe is a first connecting port, and a joint of the inner side of the radiation shielding layer and the water inlet branch pipe and the water outlet branch pipe is a second connecting port; the first connecting port is positioned above or below the second connecting port.

7. The motor protective shell with the functions of water circulation heat conduction and neutron radiation prevention according to claim 1, wherein the protective shell body further comprises a fixed shell; the fixed shell is sleeved on the outer sides of the upper end cover, the radiation shielding layer and the lower end cover.

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