CN218279739U - Electromagnetic ballistic impulse generator using heat pipe heat dissipation structure - Google Patents

Abstract

The application provides an use electromagnetism ballistic trajectory formula impulse wave generator of heat pipe heat radiation structure, including hollow shell, locate the electromagnetic component in the shell, locate the treatment head of electromagnetic component one end, locate in the electromagnetic component and carry out reciprocating motion's bullet body and be used for carrying out radiating radiator unit to the electromagnetic component along the axial of electromagnetic component, radiator unit includes radiating block and an at least heat pipe, the one end of heat pipe with the electromagnetic component butt, the radiating block is located the other end of heat pipe; this application is dispelled the heat through adopting heat pipe and radiating block, can effectively improve radiating rate and radiating effect, still has characteristics small, compact structure.

Description

Electromagnetic ballistic impulse generator using heat pipe heat dissipation structure

The present application claims priority from the chinese patent application filed on 21/05/2021 at the chinese patent office under application number 202110556793.5, the entire contents of which are incorporated herein by reference.

Technical Field

The application relates to the field of medical equipment, in particular to an electromagnetic ballistic shock wave generator using a heat pipe heat dissipation structure.

Background

Shock wave therapy has become increasingly popular in recent years as an extension to the use of shock wave lithotripsy techniques. The current shock wave therapeutic apparatus is mainly divided into a focusing type and a diverging type, the focusing type shock wave has strong energy and large propagation depth, but has the defects of expensive equipment, huge volume and the like. The other type is divergent shock waves, and the divergent shock waves are also divided into two types, namely air pressure ballistic type shock waves and electromagnetic ballistic type shock waves, wherein the air pressure ballistic type shock waves comprise CN105769260A, CN102202734B, CN107811832 and the like, and the equipment has the problems of large volume, inconvenience in carrying and the like due to the need of an air compressor; the electromagnetic ballistic shockwave is generated by driving a bullet body to move in a ballistic trajectory and impact a treatment head through an electromagnetic coil, such as CN 103920238A.

The electromagnetic ballistic shock wave is a shock wave generated by a magnetic field attractor projectile body generated by an electrified coil in a conduit in a reciprocating motion and colliding with a front-end treatment head, a large amount of heat can be generated in the electrified coil and can generally reach more than 90% of input power, in the prior art, a heat dissipation fan is generally used for directly dissipating heat of an electromagnet shell, for example, CN103920238A, a heating coil needs to firstly transfer heat to the heat dissipation shell and then take away the heat through air flow, a handle needs to be sleeved with a heat dissipation fin with a huge volume outside the electromagnet for heat dissipation, the diameter of the whole handle is enlarged, the holding feeling is poor, the corresponding heat dissipation efficiency is not high, and all the electromagnetic ballistic shock waves in the current market basically adopt the process.

SUMMERY OF THE UTILITY MODEL

The application is directed at above-mentioned technical defect, provides an use heat pipe heat radiation structure's electromagnetism ballistic trajectory formula impulse wave generator, dispels the heat through adopting heat pipe and radiating block, can effectively improve radiating rate and radiating effect, still has characteristics small, compact structure.

For solving above-mentioned technical problem, the purpose of this application is realized through following technical scheme, provides an use heat pipe heat radiation structure's electromagnetism ballistic impact wave generator, including hollow shell, locate the electromagnetic component in the shell, locate the treatment head of electromagnetic component one end, locate in the electromagnetic component and carry out reciprocating motion's bullet body and be used for right along the axial of electromagnetic component carries out radiating radiator unit, radiator unit includes radiating block and an at least heat pipe, the one end of heat pipe with the electromagnetic component butt, the radiating block is located the other end of heat pipe.

Further, the heat dissipation assembly further includes a heat dissipation fan blowing toward the heat dissipation block.

Furthermore, the electromagnetic assembly comprises a guide pipe at the center, at least one coil shaft sleeved on the periphery of the guide pipe, an electromagnetic coil wound on the coil shaft and a coil support sleeved on the periphery of the electromagnetic coil, a gap is formed between the coil support and the shell, one end of the treatment head is inserted into the guide pipe, the bullet body is arranged in the guide pipe, an insertion hole for inserting the heat pipe is formed between the coil support and the electromagnetic coil, and the heat pipe is abutted against the periphery of the electromagnetic coil.

Furthermore, the electromagnetic ballistic impulse wave generator further comprises a metal shell sleeved on the periphery of the coil support, a rear gland which is pressed against the winding shaft inwards is arranged at the rear end of the metal shell, a blocking cover is arranged between the front end of the metal shell and the treatment head, and a gap is arranged between the metal shell and the shell.

Furthermore, a buffering rubber cushion is arranged on the inner side of the rear gland at a position corresponding to the bullet body.

Furthermore, the number of the heat pipes is four, the heat pipes are flat, the surfaces of the heat pipes are tangent to the outer peripheral surface of the electromagnetic coil, the four heat pipes are arranged around the outer periphery of the electromagnetic coil in an annular array mode, and the heat dissipation block is provided with four slots into which the heat pipes are inserted in a one-to-one correspondence mode.

Furthermore, a gap between the heat pipe and the electromagnetic coil is filled with heat-conducting glue.

Furthermore, a treatment head cover is sleeved on the periphery of the treatment head.

Furthermore, the front end of the metal shell is provided with an adapter which extends out of the shell, and the treatment head cover is connected with the adapter.

Further, electromagnetism ballistic impulse wave generator still includes the handle, the handle with keep away from the one end of treatment head in the shell and be connected, locating in proper order around radiating block and the radiator fan in the handle, still be equipped with the control panel in the handle, the control panel respectively with solenoid and radiator fan electricity are connected.

The application has the following beneficial effects:

the electromagnetic coil is in direct contact with the heat pipe to conduct heat, the heat resistance is very small, and by means of the ultrahigh heat conductivity (about more than 100 times of copper) of the heat pipe, heat can be rapidly and directly transferred to the heat dissipation block from the interior of the electromagnetic coil by the heat pipe, so that the heat resistance of the whole system is reduced to reduce heat emission, and the long-time stable work of the system is guaranteed; the heat dissipation block is also dissipated by the heat dissipation fan, so that the heat dissipation speed and effect are improved; in addition, the independent radiating block structure can adopt the process structures such as the shovel teeth and the inserted fins which cannot be used in the traditional scheme to enlarge the radiating area in the process, and meanwhile, because the radiating fan is arranged on one side close to the radiating block, the wind pressure loss is small, the radiating efficiency of the radiating block is further improved, the thermal resistance of the whole system is reduced to reduce the heating, the radiating efficiency is higher, and the system can be ensured to work stably for a long time; and the structure that utilizes the heat pipe to carry out heat conduction can make the overall structure volume of product littleer and compacter, has greatly improved the comfort level of gripping in the use, and wherein the heat pipe for example be the platykurtic, can further reduce the volume, but also because it is the platykurtic, the tangency of heat pipe and solenoid is line contact to line contact's position department can have the space between the two, this application has further improved the heat conductivity through the mode of filling heat-conducting glue in this space.

Drawings

FIG. 1 is a cross-sectional view of an electromagnetic ballistic shockwave generator according to an embodiment;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a cross-sectional view of an electromagnetic ballistic shock wave generator at a bullet in an embodiment;

FIG. 4 is a schematic diagram of an electromagnetic ballistic shockwave generator according to an embodiment of the present invention, illustrating the impact of a neutron projectile on a treatment head;

FIG. 5 is a schematic diagram of an electromagnetic coil, a heat pipe and a heat dissipation block after assembly in an embodiment.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and the described embodiments are some, but not all embodiments of the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

Examples

As shown in fig. 1-5, an electromagnetic ballistic shockwave generator using a heat pipe heat dissipation structure includes a hollow housing 1, an electromagnetic assembly disposed in the housing 1 and used for forming an electromagnetic field, a therapeutic head 2 disposed at one end of the electromagnetic assembly, a bullet body 3 disposed in the electromagnetic assembly and reciprocating along an axial direction of the electromagnetic assembly, and a heat dissipation assembly for dissipating heat from the electromagnetic assembly, wherein the electromagnetic assembly is used for generating a magnetic field to drive the bullet body 3 to reciprocate back and forth, and then the moving bullet body 3 impacts the therapeutic head 2 to generate a shockwave, during the process, the electromagnetic assembly can generate a large amount of heat, which seriously affects the use, user experience and life of the product, and therefore the electromagnetic assembly needs to be dissipated heat, and the specific heat dissipation scheme is as follows:

in this embodiment, the electromagnetic assembly includes a central guide tube 4, two coil shafts 5 sleeved on the outer periphery of the guide tube 4, an electromagnetic coil 6 wound on each coil shaft 5, and a coil support 7 sleeved on the outer periphery of the electromagnetic coil 6; an iron block 51 for separating the two coil shafts 5 is arranged between the two coil shafts to avoid the mutual interference of the two electromagnetic coils 6; a gap 71 is arranged between the coil support 7 and the shell 1, so that heat on the electromagnetic assembly is prevented from being transferred into the shell 1; the bullet body 3 is arranged in the guide tube 4, so that the bullet body 3 reciprocates back and forth in the guide tube 4, and one end of the treatment head 2 is inserted into the guide tube 4 and is used for being matched with the bullet body 3 to realize impact and generate shock waves.

In this embodiment, the heat dissipation assembly includes a heat dissipation block 8, a heat dissipation fan 9 blowing toward the heat dissipation block 8, and four heat pipes 10, wherein the four heat pipes 10 are arranged around the periphery of the electromagnetic coil 6 in an annular array manner, and one ends of the four heat pipes 10 are abutted to the outer surface of the electromagnetic coil 6, and slots (not shown in the figure) into which the four heat supply pipes 10 are inserted in one-to-one correspondence are formed in the heat dissipation block 8, so that the other ends of the heat pipes 10 are inserted into the slots 81 and form an abutting structure with the heat dissipation block 8; in the above, the heat pipe 10 is directly contacted with the electromagnetic coil 6 for heat conduction, and the thermal resistance is very small, and by using the ultrahigh thermal conductivity (about 100 times of copper) of the heat pipe 10, heat can be rapidly transferred to the heat dissipation block 8 by the heat pipe 10 directly from the inside of the electromagnetic coil 6, so that the thermal resistance of the whole system is reduced to reduce heat generation, and the long-time stable work of the system is ensured; the heat dissipation block 8 is also dissipated by the heat dissipation fan 9, so that the heat dissipation speed and effect are improved; in addition, the structure of the independent radiating block 8 can adopt the process structures such as the shovel teeth and the inserted fins which cannot be used in the traditional scheme to enlarge the radiating area, meanwhile, because the radiating fan 9 is arranged at one side close to the radiating block 8, the wind pressure loss is small, the radiating efficiency of the radiating block 8 is further improved, the thermal resistance of the whole system is reduced to reduce the heating, the radiating efficiency is higher, and the system can stably work for a long time.

Specifically, a bending portion 72 protruding outward is provided on the coil support 7, so that an insertion opening 73 into which the heat pipe 10 is inserted is formed at the bending portion 72 between the coil support 7 and the electromagnetic coil 6, and at this time, the heat pipe 10 can be in close contact with the electromagnetic coil 6 by using the inward limiting effect of the bending portion, thereby improving the reliability and stability of the heat dissipation structure.

Specifically, the electromagnetic ballistic shock wave generator further comprises a metal shell 11 sleeved on the periphery of the coil support 7, a clamping groove (not shown in the figure) for accommodating the bending part 72 is correspondingly arranged on the metal shell 11, a gap 71 is arranged between the metal shell 11 and the outer shell 1, a rear gland 12 which is pressed against the winding shaft 5 inwards is arranged at the rear end of the metal shell 11, the rear gland 12 is fixedly connected with the metal shell 11 through a bolt, when the electromagnetic assembly is assembled, the assembled electromagnetic assembly is loaded into the metal shell 11 from an opening at the rear end of the metal shell 11, a stopping part for stopping the electromagnetic assembly is formed at the front end of the metal shell 11, and then the electromagnetic assembly is pressed against the electromagnetic assembly inwards by using the rear gland 12, so that the electromagnetic assembly is prevented from moving axially, and the structural reliability is improved; still be equipped with between the front end of metal casing 11 and treatment head 2 with the blanking cover 13 of keeping apart both, blanking cover 13 and metal casing 11 threaded connection are convenient for assemble and dismantle, and are equipped with sealing washer 21 between blanking cover 13 and the treatment head 2.

Specifically, the inside of back gland 12 is equipped with buffering cushion 121 in the position department that corresponds bullet body 3, utilizes buffering cushion 121 to cushion the impact of bullet body 3, avoids the striking to lead to the damage of back gland 12.

In a specific embodiment, the heat pipe 10 is flat, the surface of the heat pipe 10 is tangent to the outer peripheral surface of the electromagnetic coil 6, and since the tangent of the heat pipe 10 and the electromagnetic coil 6 is line contact, there is a gap at the position of line contact between the two, and this embodiment further improves the thermal conductivity by filling a heat-conducting glue (not shown in the figure) in the gap between the heat pipe 10 and the electromagnetic coil 6.

Specifically, the periphery of the treatment head 2 is sleeved with a treatment head cover 14 for protecting the treatment head 2 and installing the treatment head 2, and a sealing ring 21 is also arranged between the treatment head cover 14 and the treatment head 2; the front end of the metal shell 11 is fixedly provided with an adapter 15 which extends out of the shell 1 through screws, and the treatment head cover 14 is in threaded connection with the adapter 15.

In a specific embodiment, the electromagnetic ballistic impulse wave generator further comprises a handle 16, the handle 16 is connected with one end of the housing 1 far away from the treatment head 2, the heat dissipation block 8 and the heat dissipation fan 9 are sequentially arranged in the handle 16, a control board 17 is further arranged in the handle 16, and the control board 17 is electrically connected with the electromagnetic coil 6 and the heat dissipation fan 9 respectively and used for controlling the work of the two.

In other embodiments, the heat pipe 10 is a sintered heat pipe.

In other embodiments, the shape of the heat pipe 10 may also be an arc shape whose radian matches the outer peripheral surface of the electromagnetic coil 6, so as to increase the contact area between the heat pipe 10 and the electromagnetic coil 6, reduce the use of heat-conducting glue, and improve the heat conductivity.

In other embodiments, the housing 1 is a temperature-resistant plastic housing.

In other embodiments, the metal shell 11 is an iron shell.

In other embodiments, the electromagnetic coil 6 is wound from a copper enameled wire.

In contrast, in the electromagnetic shock wave therapeutic apparatus of the conventional scheme, on the premise that the outer diameters of the electromagnets are consistent, for example, the outer diameter of the electromagnet is 31mm, the assembly gap is usually considered, the thickness of potting adhesive with a single side of 5mm needs to be increased, then the thickness of a metal radiating pipe with a single side of 1.5mm is increased, the outermost part is a radiating tooth with a tooth height of at least 5mm, the overall diameter reaches 57mm, the radiating path is electromagnetic coil, heat conducting potting adhesive, aluminum shell and external radiating tooth, wherein the heat conductivity coefficient of the heat conducting potting adhesive is about 1W/m.k, which is a short plate in the whole radiating path, the electromagnetic coil and the aluminum shell need to be filled with the heat conducting potting adhesive in consideration of the assembly gap problem, so that the thermal resistance of the whole radiating path is large, the external radiating tooth cannot be made large due to height limitation, and the radiating block basically only can adopt an extrusion forming process, and the tooth width and the density of the radiating block are not ideal due to process limitation.

In the electromagnetic ballistic shock wave generator in the embodiment, the electromagnetic shock wave therapeutic apparatus adopting the heat pipe heat dissipation structure has the outer diameter of the electromagnet of 31mm under the same condition, after the heat pipe is tangent to the electromagnetic coil, the outer diameter of the metal shell for fixing the heat pipe is 35mm, a gap of 1mm is reserved between the metal shell and the outer shell at one side, the thickness of the outer shell is 1.5mm, the diameter of the whole machine is 40mm, the diameter of the whole machine in the new scheme is 17mm thinner than that in the traditional scheme, and the holding comfort degree in the use process is greatly improved; in addition, the more compact structure in the embodiment enables the external yoke structure to be smaller, magnetic lines of force generated by the electromagnetic coil to be more concentrated, and the attenuation of the magnetic field intensity along with the distance is exponentially changed, so that the working efficiency of the real electromagnetic coil can be greatly improved even if the progress on the size is very small, the input power required by the novel structure is reduced to be below 60% of that of the traditional structure under the condition of reaching the same output intensity due to the improvement brought by miniaturization, and the working efficiency of the system is greatly improved; the heat dissipation path is that the electromagnetic coil is larger than the heat pipe and the heat dissipation block is larger than the heat pipe, under the heat dissipation path, the coil is in direct contact with the heat pipe, and due to the ultrahigh heat conductivity (about 100 times of copper) of the heat pipe, heat is directly transmitted to the external heat dissipation block from the inside of the electromagnetic coil.

Based on the above design, the conventional electromagnetic shock wave therapy apparatus usually works 3000-6000 times, i.e. needs to be stopped for a period of time to cool the handle due to the over-temperature problem, and the structural design in this embodiment still can ensure that the temperature is within the allowable working range of the system after 20000 times of continuous working through experimental tests.

Claims (10)

1. The utility model provides an use heat pipe heat radiation structure's electromagnetism ballistic impulse wave generator, includes hollow shell (1), locates the electromagnetic component in shell (1), locate treatment head (2) of electromagnetic component one end, locate in the electromagnetic component and carry out reciprocating motion's bullet body (3) and be used for right along the axial of electromagnetic component carries out radiating radiator unit, wherein, radiator unit includes radiating block (8) and an at least heat pipe (10), the one end of heat pipe (10) with the electromagnetic component butt, radiating block (8) are located the other end of heat pipe (10).

2. The electromagnetic ballistic shockwave generator using a heat pipe heat dissipation structure according to claim 1, wherein said heat dissipation assembly further comprises a heat dissipation fan (9) blowing towards said heat dissipation block (8).

3. The electromagnetic ballistic shockwave generator using the heat pipe heat dissipation structure according to claim 2, wherein the electromagnetic assembly comprises a central guide pipe (4), at least one coil shaft (5) sleeved on the outer periphery of the guide pipe (4), an electromagnetic coil (6) wound on the coil shaft (5), and a coil support (7) sleeved on the outer periphery of the electromagnetic coil (6), a gap (71) is formed between the coil support (7) and the housing (1), one end of the treatment head (2) is inserted into the guide pipe (4), the bullet body (3) is arranged in the guide pipe (4), an insertion opening (73) for inserting the heat pipe (10) is formed between the coil support (7) and the electromagnetic coil (6), and the heat pipe (10) abuts against the outer periphery of the electromagnetic coil (6).

4. The electromagnetic ballistic shockwave generator using the heat pipe heat dissipation structure according to claim 3, further comprising a metal shell (11) sleeved on the outer periphery of the coil support (7), wherein a rear gland (12) is disposed at the rear end of the metal shell (11) and is used for pushing the coil shaft (5) inwards, a plug (13) is disposed between the front end of the metal shell (11) and the treatment head (2), and a gap (71) is disposed between the metal shell (11) and the outer shell (1).

5. The electromagnetic ballistic shockwave generator using a heat pipe heat dissipation structure according to claim 4, wherein the inner side of said rear gland (12) is provided with a cushion rubber pad (121) at a position corresponding to said bullet body (3).

6. The electromagnetic ballistic shock wave generator using the heat pipe heat dissipation structure according to claim 5, wherein the number of the heat pipes (10) is four, and the shape of the heat pipes (10) is flat, the surface of the heat pipes (10) is tangential to the outer peripheral surface of the electromagnetic coil (6), the four heat pipes (10) are arranged around the outer periphery of the electromagnetic coil (6) in an annular array manner, and four slots for the heat pipes (10) to be inserted in a one-to-one correspondence manner are formed in the heat dissipation block (8).

7. The electromagnetic ballistic shockwave generator using a heat pipe heat dissipation structure according to claim 6, wherein a gap between the heat pipe (10) and the electromagnetic coil (6) is filled with a thermally conductive glue.

8. The electromagnetic ballistic shockwave generator using a heat pipe heat dissipation structure according to claim 7, wherein the treatment head (2) is peripherally sheathed with a treatment head cover (14).

9. The electromagnetic ballistic shockwave generator using the heat pipe heat dissipation structure according to claim 8, wherein the front end of the metal shell (11) is provided with an adapter (15) extending outward from the outer shell (1), and the therapy head cover (14) is connected to the adapter (15).

10. The electromagnetic ballistic shockwave generator using the heat pipe heat dissipation structure according to claim 9, further comprising a handle (16), wherein the handle (16) is connected to an end of the housing (1) far away from the treatment head (2), the heat dissipation block (8) and the heat dissipation fan (9) are sequentially disposed in the handle (16), a control board (17) is further disposed in the handle (16), and the control board (17) is electrically connected to the electromagnetic coil (6) and the heat dissipation fan (9), respectively.

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