CN218387144U

CN218387144U - Structure for improving heat dissipation efficiency of rotary transformer

Info

Publication number: CN218387144U
Application number: CN202222758218.6U
Authority: CN
Inventors: 王丹; 陈海光
Original assignee: Harbin Institute Of Technology Shenyang Intelligent Industrial Technology Co ltd
Current assignee: Harbin Institute Of Technology Shenyang Intelligent Industrial Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-24
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses an efficiency of rotary transformer heat dissipation is improved structure, which comprises a housin, the casing front end is provided with the front end housing, the front end housing rear end is provided with first filter screen, bearing front end central point puts and runs through and the first connecting axle of fixedly connected with, first connecting axle rear end is provided with the rotor, rotor rear end central point puts and is provided with the second connecting axle, first connecting axle is close to the equal fixedly connected with connecting block of rotor one end with second connecting axle external diameter, the inside rear end fixedly connected with heat absorption piece of casing, the casing rear end is provided with the rear end housing, the inside second filter screen that is provided with of rear end housing. The utility model discloses in, through setting up flabellum, heat absorbing sheet, first gas vent and second gas vent, increased inside cooling heat radiation structure for rotary transformer, through setting up first filter screen, second filter screen, front end housing and rear end cap to dustproof construction has been increased.

Description

Structure for improving heat dissipation efficiency of rotary transformer

Technical Field

The utility model relates to a rotary transformer technical field especially relates to an improve rotary transformer radiating efficiency's structure.

Background

A resolver is an electromagnetic sensor, also called a resolver. The small AC motor for measuring angle is used to measure the angular displacement and speed of rotating shaft of rotating object and consists of stator and rotor, in which the stator winding is used as the primary side of transformer to receive exciting voltage, and the exciting frequency is usually 400, 3000, 5000HZ, etc. The rotary transformer generates a large amount of heat, and if the heat is not dissipated in time, the precision of the rotary transformer is greatly influenced.

Current resolver when dispelling the heat to it, need follow outside wiring fan, the security of using has also been reduced when the radiating efficiency is lower, and current resolver, in long-time work, can have inside a large amount of granules and impurity entering resolver to reduce life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the structure of an improvement resolver radiating efficiency who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an improve rotary transformer radiating efficiency's structure, includes the casing, the casing front end is provided with the front end housing, the front end housing rear end is provided with first filter screen, front end housing front end central point puts and runs through and fixedly connected with bearing, bearing front end central point puts and runs through and fixedly connected with first connecting axle, first connecting axle rear end is provided with the rotor, rotor rear end central point puts and is provided with the second connecting axle, first connecting axle and second connecting axle external diameter are close to the equal fixedly connected with connecting block of rotor one end, the inside rear end fixedly connected with heat absorption piece of casing, the casing rear end is provided with the rear end cap, the inside second filter screen that is provided with of rear end cap, the rear end cap rear end is close to external diameter position and runs through and is provided with four mounting holes of evenly distributed, the rear end cap rear end is close to external diameter position and runs through and threaded connection has four second bolts of evenly distributed.

As a further description of the above technical solution:

stators are arranged on the top and the left and right sides of the bottom inside the shell.

As a further description of the above technical solution:

two the equal fixedly connected with evenly distributed's of connecting block external diameter five flabellums.

As a further description of the above technical solution:

the front end of the front end cover penetrates through and is provided with a plurality of first exhaust ports.

As a further description of the above technical solution:

the front end of the front end cover is close to the outer diameter and penetrates through the front end cover and is in threaded connection with four first bolts which are uniformly distributed.

As a further description of the above technical solution:

the first filter screen and the second filter screen are both made of stainless steel.

As a further description of the above technical solution:

the outer diameter of the rear end cover and the rear end of the rear end cover penetrate through the air inlet and are provided with a plurality of uniformly distributed second air outlets.

As a further description of the above technical solution:

and the shell and the rear end cover are fixed through a second bolt.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first through setting up the flabellum, the heat absorption piece, first exhaust port and second gas vent, internal cooling heat radiation structure has been increased for rotary transformer, make rotary transformer itself from taking fan cooling function, need not to cool off it from the external connection fan, the security of using also can be guaranteed to the time of the good heat dissipation function of guarantee, through setting up first filter screen, the second filter screen, front end housing and rear end cap, thereby dustproof construction has been increased, inside avoiding external granule and impurity to get into rotary transformer, improve its life.

Drawings

Fig. 1 is a perspective view of a structure for improving the heat dissipation efficiency of a rotary transformer according to the present invention;

fig. 2 is a structural diagram of a rotor of the structure for improving the heat dissipation efficiency of the rotary transformer according to the present invention;

fig. 3 is a connection block structure diagram of a structure for improving the heat dissipation efficiency of a rotary transformer according to the present invention;

fig. 4 is the utility model provides a rear end cap structure chart of a structure of improving rotary transformer radiating efficiency.

Illustration of the drawings:

1. a housing; 2. a bearing; 3. a front end cover; 4. a first connecting shaft; 5. a first exhaust port; 6. a first bolt; 7. a rotor; 8. a fan blade; 9. a rear end cap; 10. a heat absorbing sheet; 11. a stator; 12. connecting blocks; 13. a first filter screen; 14. a second filter screen; 15. a second exhaust port; 16. a second bolt; 17. mounting holes; 18. and a second connecting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an improve rotary transformer radiating efficiency's structure, including casing 1, 1 front end of casing is provided with

front end housing

3, 3 rear ends of front end housing are provided with

first filter screen

13, 3 front end central point of front end housing put and run through and fixedly connected with bearing 2, 2 front end central point of bearing puts and runs through and fixedly connected with first connecting axle 4, first connecting axle 4 rear end is provided with rotor 7, rotor 7 rear end central point puts and is provided with second connecting axle 18, first connecting axle 4 and the equal fixedly connected with connecting block 12 of second connecting axle 18 external diameter near rotor 7 one end, 1 inside rear end fixedly connected with heat absorption piece 10 of casing, 1 rear end of casing is provided with rear end cap 9, the inside second filter screen 14 that is provided with of rear end cap 9, rear end 9 rear end is close to external diameter position and runs through and is provided with four mounting holes 17 of evenly distributed, rear end 9 rear end is close to external diameter position and runs through and threaded connection has four second bolts 16 of evenly distributed, through setting up first bolt 6 and second bolt 16, be convenient for the installation and dismantlement of front end housing 3 and rear end cap 9 and casing 1, be convenient for overhaul and inside maintenance part simultaneously.

The inside top of casing 1 all is provided with stator 11 with the bottom left and right sides, the equal fixedly connected with evenly distributed's of two connecting block 12 external diameters five

flabellum

8, 3 front ends of front end housing run through and are provided with a plurality of first exhaust ports 5, the front end of front end housing 3 is close to the external diameter position and runs through and threaded connection has evenly distributed four first bolts 6, first filter screen 13 is stainless steel with second filter screen 14, through setting up first filter screen 13, second filter screen 14, front end housing 3 and rear end housing 9, dustproof construction has been increased for heat radiation structure, avoid external granule and impurity to get into the resolver inside, thereby further improve its life, rear end housing 9 external diameter and rear end all run through and are provided with evenly distributed's a plurality of second gas vents 15, through setting up flabellum 8, heat absorption sheet 10, first exhaust port 5 and second gas vent 15, internal cooling heat radiation structure has been increased for the resolver, can make the resolver itself take fan cooling function certainly, need not to cool off from the external connection fan, also can guarantee the security of using when guaranteeing good heat dissipation function, thereby prolong its life, it is fixed through second bolt between casing 1 and the

rear end housing

9, 16.

The working principle is as follows: when using, through setting up first bolt 6 and second bolt 16, be convenient for front end housing 3 and rear end cap 9 and casing 1's installation and dismantlement, the inside part is overhauld and maintained simultaneously, through setting up flabellum 8, heat absorbing sheet 10, first exhaust port 5 and second exhaust port 15, internal cooling heat radiation structure has been increased for rotary transformer, can be so that rotary transformer itself takes fan cooling function certainly, need not to cool off it from the external connection fan, also can guarantee the security of using when guaranteeing good heat dissipation function, thereby prolong its life, through setting up first filter screen 13, second filter screen 14, front end housing 3 and rear end cap 9, can increase dustproof construction for heat radiation structure, avoid outside granule and impurity to get into inside rotary transformer, thereby further improve its life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an improve resolver heat dissipation efficiency's structure, includes casing (1), its characterized in that: the improved heat-absorbing shell is characterized in that a front end cover (3) is arranged at the front end of the shell (1), a first filter screen (13) is arranged at the rear end of the front end cover (3), a bearing (2) is arranged at the center of the front end cover (3) and penetrates through and is fixedly connected with a first connecting shaft (4), a rotor (7) is arranged at the rear end of the first connecting shaft (4), a second connecting shaft (18) is arranged at the center of the rear end of the rotor (7), the outer diameters of the first connecting shaft (4) and the second connecting shaft (18) are close to an equal fixedly connected connecting block (12) at one end of the rotor (7), a heat-absorbing sheet (10) is fixedly connected at the rear end inside the shell (1), a rear end cover (9) is arranged at the rear end of the shell (1), a second filter screen (14) is arranged inside the rear end cover (9), the rear end of the rear end cover (9) is close to four mounting holes (17) which are arranged and penetrate through and are uniformly distributed at the outer diameter position, and four second bolts (16) are uniformly distributed through and are connected with outer diameter positions.

2. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: stators (11) are arranged on the left side and the right side of the top and the bottom inside the shell (1).

3. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: two the equal fixedly connected with evenly distributed five flabellums (8) of connecting block (12) external diameter.

4. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: the front end of the front end cover (3) penetrates through and is provided with a plurality of first exhaust ports (5).

5. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: the front end of the front end cover (3) is connected with four first bolts (6) which are uniformly distributed in a penetrating and threaded manner at a position close to the outer diameter.

6. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: the first filter screen (13) and the second filter screen (14) are both made of stainless steel materials.

7. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: the outer diameter and the rear end of the rear end cover (9) penetrate through the rear end cover and are provided with a plurality of second exhaust ports (15) which are uniformly distributed.

8. The structure for improving the heat dissipation efficiency of a rotary transformer according to claim 1, wherein: the shell (1) and the rear end cover (9) are fixed through a second bolt (16).