CN216121130U - Collecting ring - Google Patents
Collecting ring Download PDFInfo
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- CN216121130U CN216121130U CN202122748885.1U CN202122748885U CN216121130U CN 216121130 U CN216121130 U CN 216121130U CN 202122748885 U CN202122748885 U CN 202122748885U CN 216121130 U CN216121130 U CN 216121130U
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- collecting ring
- fan
- shell
- ring
- collecting
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Abstract
The utility model discloses a collecting ring, which comprises a collecting ring rotor assembly, a brush yoke assembly, a fan cover, a fan and a collecting ring shell, wherein the brush yoke assembly is arranged on the collecting ring rotor; the collecting ring rotor is assembled in the collecting ring shell, one end of the collecting ring rotor is connected with the driving motor, and the other end of the collecting ring rotor is connected with the fan; the brush holder assembly is arranged in the collecting ring shell and comprises a brush holder and an electric brush; the outer side of one end, provided with a fan, of the collecting ring shell is provided with a fan cover, the fan is arranged in the fan cover, an air outlet is formed in the fan cover, an air inlet is formed in the collecting ring shell, and an air guide channel is formed in one end, connected with the fan cover, of the collecting ring shell. According to the collector ring disclosed by the utility model, the rotating shaft assembled on the collector ring rotor can drive the fan to work, so that cooling gas is sucked into the collector ring through the suction effect of the fan to cool the collector ring, the failure rate of the collector ring is reduced, and the application cost is saved.
Description
Technical Field
The utility model relates to a collector ring.
Background
The slip ring is assembled by a split slip ring and comprises phase rings, a main shaft inner sleeve, interphase insulation and the like, wherein the phase rings and an insulator are in interference fit, but the whole slip ring is fastened by bolts, so that the slip ring is convenient to disassemble and maintain, and the maintenance cost is saved. Because the device is used for electric energy transmission between a converter and a generator of the wind generating set, a large amount of heat is generated in the working process of the device, the internal temperature of the collecting ring is further increased, the fault rate of the collecting ring is increased, and the maintenance time and the maintenance cost are further increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a collecting ring, which solves the problems that heat generated in the working process of the existing collecting ring cannot be discharged in time, so that the normal work of the collecting ring is influenced, and further the maintenance time and the maintenance cost are increased.
The technical means adopted by the utility model are as follows:
a collecting ring comprises a collecting ring rotor assembly, a brush carrier assembly, a fan cover, a fan and a collecting ring shell;
the collecting ring rotor is assembled in the collecting ring shell, one end of the collecting ring rotor is connected with the driving motor, and the other end of the collecting ring rotor is connected with the fan;
the brush holder assembly is arranged in the collecting ring shell and comprises a brush holder fixedly connected with the collecting ring shell and an electric brush which is arranged on the brush holder and is in assembly contact with the collecting ring rotor;
the collecting ring is characterized in that a fan cover is arranged on the outer side of one end, provided with a fan, of the collecting ring shell, the fan is arranged in the fan cover, an air outlet is formed in the fan cover, an air inlet is formed in the collecting ring shell, and an air guide channel is formed in one end, connected with the fan cover, of the collecting ring shell.
Furthermore, the air inlets are multiple and circumferentially arranged on the side wall of the collecting ring shell.
Furthermore, the air inlet is further provided with a slip ring air guide cover, and the slip ring air guide cover comprises a slip ring air guide cover shell and a filter screen.
Furthermore, the air inlet is formed in the side portion of the collecting ring shell, the slip ring air guide cover shell located at the air inlet in the side portion of the collecting ring shell is arranged on the inner side of the collecting ring shell, and the filter screen is arranged at the opening end of the slip ring air guide cover shell.
The air guide plate is arranged in the collecting ring shell, and the plate surface of the air guide plate and the wind direction entering from the air inlet form a certain angle.
Further, the fan comprises a blade mounting shaft, blades, a first blade mounting plate and an annular second blade mounting plate;
the one end that collecting ring casing was kept away from to blade installation axle is fixed with first blade mounting panel, second blade mounting panel cover is in the one end that the blade installation axle is close to collecting ring casing, first blade mounting panel with be fixed with a plurality ofly between the second blade mounting panel the blade.
Further, the air outlet sets up the bottom of fan housing.
Compared with the prior art, the collector ring disclosed by the utility model has the following beneficial effects: owing to be provided with fan casing and fan, consequently in collecting ring rotor assembly working process, the pivot of collecting ring rotor assembly can drive fan work, and then reduces the temperature to the collecting ring in sucking cooling gas suction collecting ring through the suction effect of fan, and this structure can adapt to the complex environment operating mode, can reduce whole calorific capacity simultaneously under the heavy current load condition, reduces collecting ring fault rate to practice thrift application cost.
Drawings
FIG. 1 is a front view of a slip ring according to the present disclosure;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a bottom view of FIG. 1;
fig. 6 is a left side view of fig. 1.
In the figure: 1. the slip ring rotor assembly comprises a slip ring rotor assembly 10, a rotor main shaft 11, a phase ring 12, an insulating layer 13, an electric conductor 14, a main shaft inner sleeve 2, a brush holder assembly 20, a brush holder 3, a fan cover 30, an air outlet 32, a fan accommodating cavity 4, a fan 40, a blade mounting shaft 41, blades 42, a first blade mounting plate 43, a second blade mounting plate 5, a slip ring shell 50, an air inlet 51, an air guide channel 6, a slip ring air guide cover 60, a slip ring air guide cover shell 61, a filter screen 7 and an air guide plate.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the slip ring disclosed by the present invention includes a slip ring rotor assembly 1, a brush holder assembly 2, a fan cover 3, a fan 4 and a slip ring housing 5;
the slip ring rotor assembly 1 is arranged in the slip ring shell 5, one end of the slip ring rotor assembly is connected with a driving motor, the other end of the slip ring rotor assembly is connected with the fan 4, in the embodiment, the slip ring rotor assembly comprises a rotor spindle 10 and a plurality of phase rings 11, the plurality of phase rings are installed on the rotor spindle, each phase ring comprises a spindle inner sleeve 14, an insulating layer 12 and an electric conductor 13, the slip ring rotor assembly is of an existing structure and not described in detail herein, one end of the slip ring rotor assembly 1 is connected with a spindle of the driving motor, the driving motor drives the slip ring rotor assembly to rotate, and the other end of the rotor spindle is connected with the fan 4;
the brush holder assembly 2 is arranged in the collecting ring shell 5 and fixedly connected with the collecting ring shell 5, the brush holder assembly 2 comprises a brush holder 20 fixedly connected with the collecting ring shell and a brush arranged on the brush holder 20 and in assembly contact with the collecting ring rotor, the driving motor drives the collecting ring rotor assembly 1 to rotate, and the brush is in contact with the conductor to realize the transmission of electric energy;
the collecting ring comprises a collecting ring shell 5 and is characterized in that a fan cover 3 is arranged on the outer side of one end, provided with a fan 4, of the collecting ring shell 5, the fan cover 3 is buckled at the end part of the collecting ring shell and is fixedly connected with the collecting ring shell, a fan accommodating cavity 32 is formed in the fan cover, the fan 4 is arranged in the fan accommodating cavity, an air outlet 30 is formed in the fan cover, an air inlet 50 is formed in the collecting ring shell 5, and an air guide channel 51 is formed in one end, connected with the fan cover 3, of the collecting ring shell 5.
When the collecting ring disclosed by the utility model works, the driving motor drives the collecting ring rotor to rotate in an assembling way, the electric brush assembled by the brush holder is contacted with the electric conductor assembled by the collecting ring rotor to realize electric energy transmission, the collecting ring rotor drives the fan to rotate in the assembling and rotating process, the fan rotates to discharge gas in the fan cover from the air outlet to generate negative pressure in the fan cover, then the external gas enters the collecting ring shell through the air inlet arranged in the collecting ring shell, arrows in figure 3 are schematic paths for representing the flowing of the external gas to realize the cooling in the collecting ring shell, further the heat generated by the collecting ring under the heavy current load condition is ensured to be discharged in time, the temperature of the collecting ring is reduced, further the failure rate is reduced, and the application cost is saved.
Further, as shown in fig. 5 and fig. 6, there may be one air inlet 50 disposed on the slip ring housing 5, and in order to facilitate heat dissipation of the slip ring, a plurality of air inlets are circumferentially disposed on a side wall of the slip ring housing.
Further, as shown in fig. 4, 5 and 6, a slip ring wind scooper 6 is further disposed at the air inlet 50, the slip ring wind scooper 6 includes a slip ring wind scooper housing 60 and a filter screen 61, the slip ring wind scooper housing can blow outside air entering the slip ring housing from the air inlet to the slip ring rotor assembly and the brush holder assembly in a certain path or direction, so as to cool the slip ring rotor assembly and the brush holder assembly more effectively, and the filter screen can prevent outside impurities from entering the inside of the slip ring to ensure normal operation of the slip ring rotor assembly and the brush holder assembly.
Further, as shown in fig. 5, the air inlet 50 is disposed at a side portion of the slip ring housing 5, the slip ring wind scooper housing located at the air inlet at the side portion of the slip ring housing is disposed at an inner side of the slip ring housing, the filter screen is disposed at an open end of the slip ring wind scooper housing, and when the air inlet 50 is disposed at the side portion of the slip ring housing 5, the slip ring wind scooper housing is disposed in the slip ring housing, so that the external air entering from the air inlet is more easily guided to a specific position of the slip ring through the slip ring wind scooper housing, so as to be cooled more effectively.
Further, as shown in fig. 3 and 6, the cooling device further includes an air deflector 7, the air deflector is disposed in the slip ring housing, and a plate surface of the air deflector is disposed at a certain angle to the wind direction entering from the wind inlet, specifically, a plurality of air deflectors are fixed between the slip ring housing and the brush holder assembly, one end of each air deflector is connected to the inner side wall of the slip ring housing, and the other end of each air deflector extends to the brush holder assembly, that is, the external air entering the slip ring from the wind inlet blows toward the plate surface of the air deflector, and the plate surface of each air deflector guides the cooling gas to a position between the slip ring rotor assembly and the brush holder assembly, as shown by an arrow in fig. 6, a schematic path of gas flow is provided to further improve the cooling performance.
Further, the fan 4 includes a blade mounting shaft 40, a blade 41, a first blade mounting plate 42, and an annular second blade mounting plate 43;
Further, the air outlet 50 is disposed at the bottom end of the fan housing to facilitate air discharge and reduce interference of the discharged air with the work of workers and to prevent dust or foreign substances from entering through the air outlet.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A slip ring, characterized by: the method comprises the steps of assembling a collector ring rotor, assembling a brush holder, assembling a fan cover, a fan and a collector ring shell;
the collecting ring rotor is assembled in the collecting ring shell, one end of the collecting ring rotor is connected with the driving motor, and the other end of the collecting ring rotor is connected with the fan;
the brush holder assembly is arranged in the collecting ring shell and comprises a brush holder fixedly connected with the collecting ring shell and an electric brush which is arranged on the brush holder and is in assembly contact with the collecting ring rotor;
the collecting ring is characterized in that a fan cover is arranged on the outer side of one end, provided with a fan, of the collecting ring shell, the fan is arranged in the fan cover, an air outlet is formed in the fan cover, an air inlet is formed in the collecting ring shell, and an air guide channel is formed in one end, connected with the fan cover, of the collecting ring shell.
2. A slip ring according to claim 1, wherein: the air inlets are multiple and circumferentially arranged on the side wall of the collecting ring shell.
3. A slip ring according to claim 2, wherein: the air inlet is further provided with a slip ring air guide cover, and the slip ring air guide cover comprises a slip ring air guide cover shell and a filter screen.
4. A slip ring according to claim 3, wherein: the air inlet is formed in the side portion of the collecting ring shell, the slip ring air guide cover shell located at the air inlet in the side portion of the collecting ring shell is arranged on the inner side of the collecting ring shell, and the filter screen is arranged at the opening end of the slip ring air guide cover shell.
5. A slip ring according to any of claims 1 to 4, wherein: the wind guide plate is arranged in the collecting ring shell, and the plate surface of the wind guide plate and the wind direction entering from the wind inlet form a certain angle.
6. A slip ring according to claim 5, wherein: the fan comprises a blade mounting shaft, blades, a first blade mounting plate and an annular second blade mounting plate;
the one end that collecting ring casing was kept away from to blade installation axle is fixed with first blade mounting panel, second blade mounting panel cover is in the one end that the blade installation axle is close to collecting ring casing, first blade mounting panel with be fixed with a plurality ofly between the second blade mounting panel the blade.
7. A slip ring according to claim 6, wherein: the air outlet is arranged at the bottom end of the fan cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122748885.1U CN216121130U (en) | 2021-11-10 | 2021-11-10 | Collecting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122748885.1U CN216121130U (en) | 2021-11-10 | 2021-11-10 | Collecting ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121130U true CN216121130U (en) | 2022-03-22 |
Family
ID=80715382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122748885.1U Active CN216121130U (en) | 2021-11-10 | 2021-11-10 | Collecting ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121130U (en) |
-
2021
- 2021-11-10 CN CN202122748885.1U patent/CN216121130U/en active Active
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