CN218844617U - High-pressure centrifugal fan with heat dissipation cover - Google Patents
High-pressure centrifugal fan with heat dissipation cover Download PDFInfo
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- CN218844617U CN218844617U CN202222851831.2U CN202222851831U CN218844617U CN 218844617 U CN218844617 U CN 218844617U CN 202222851831 U CN202222851831 U CN 202222851831U CN 218844617 U CN218844617 U CN 218844617U
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- heat dissipation
- cover
- volute
- motor
- centrifugal fan
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 52
- 239000002184 metal Substances 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000010009 beating Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a high-pressure centrifugal fan with a heat dissipation cover, which relates to the field of fans and comprises a volute top cover, an impeller, a volute, a controller component, a tracking magnetic column, a stator core, a motor shell, a rotor and a motor rear cover; the impeller is located inside the volute, the volute top cap sets up in the volute tip, it sets up inside the controller subassembly to trail the magnetic pillar, fixed connection between controller subassembly and the motor casing, the filtering board is fixed in on the motor casing, the rotor passes stator core, trails magnetic pillar, impeller in proper order, the lid is connected with the motor casing behind the motor.
Description
Technical Field
The utility model relates to a fan field, concretely relates to high-pressure centrifugal fan with heat exchanger looses.
Background
The centrifugal fan applies work to gas through the impeller rotating at high speed, so that the pressure of the gas is increased, the speed is increased, the gas with certain pressure flows out of the impeller at high speed and flows into the volute, the speed of the gas is reduced, and a part of kinetic energy of the gas is converted into potential energy, so that the pressure of the gas is increased and discharged.
The impeller of the centrifugal fan is the most core part, is a unique unit for the centrifugal fan to apply work to gas, and is divided into a closed impeller and a semi-open impeller. The middle-closed impeller consists of three parts, namely a wheel disc, a wheel cover and blades, and the semi-open impeller is not provided with the wheel cover and only comprises two parts, namely the wheel disc and the blades.
Along with military equipment is more and more diversified, and power is also more and more big, and self calorific capacity also increases thereupon, and is higher and higher to the requirement of high-pressure centrifugal fan air-out pressure, has certain requirement to the amount of wind simultaneously, consequently, actually needs to design a high-efficient high-pressure centrifugal fan.
The existing direct current centrifugal fan self-heating source is a stator core and a circuit board. The stator core is a metal component, the outer wall of the motor shell is provided with radiating teeth, and the radiating teeth are in contact with the inner wall of the motor shell to radiate heat. The circuit board selects different heat dissipation modes according to the power and the volume of the fan, and when the power is low, the circuit board meets the self heat dissipation requirement through natural cooling; when the power is larger, the circuit board usually attaches a power tube (main heating device) to the bottom of the motor casing, and the power tube is used as a heat dissipation medium to increase the heat dissipation efficiency.
The existing centrifugal fan radiates heat through air or with heat radiation media such as the metal motor shell and the like. Centrifugal fan wind pressure is higher, and when power was higher than 1KW, conventional heat dissipation mode had already can't satisfy the heat dissipation demand this moment, and long-time work can burn out control panel subassembly.
Disclosure of Invention
For solving the deficiencies of the prior art, an object of the utility model is to provide a high-pressure centrifugal fan with heat exchanger that looses, above-mentioned problem that can effectual solution exists.
In order to realize the above object, the utility model adopts the following technical scheme:
a high-pressure centrifugal fan with a heat dissipation cover comprises a volute top cover, an impeller, a volute, a controller assembly, a tracking magnetic column, a stator core, a motor shell, a rotor and a motor rear cover; the impeller is located inside the volute, the volute top cap sets up in the volute tip, it sets up inside the controller subassembly to trail the magnetic pillar, fixed connection between controller subassembly and the motor casing, the rotor passes stator core, trails magnetic pillar, impeller in proper order, the lid is connected its characterized in that with the motor casing behind the motor: the controller assembly comprises a heat dissipation cover and a control panel, the heat dissipation cover is embedded in the motor shell, a fixing device is arranged on the heat dissipation cover, the control panel is connected with the heat dissipation cover through the fixing device, and a heat dissipation tooth surface is arranged on the surface of the heat dissipation cover.
Preferably, the control panel and the heat dissipation cover are attached to each other.
Preferably, the fixing device is a mounting hole.
Preferably, the impeller is closed impeller, fixed mounting has the filtering board on the motor casing, and the filtering board can reduce the electric current clutter.
Preferably, the top cover of the volute is provided with an air inlet.
Preferably, the stator core and the inner cavity of the motor shell are in interference mounting.
Preferably, a bearing chamber is arranged inside the motor shell, a clamp spring and a bearing are arranged in the bearing chamber, a clamp spring groove is formed in the bearing chamber, and the bearing is installed in the clamp spring groove.
Preferably, the end of the rotor is fixed to the motor case by a lock nut.
Preferably, the motor casing externally mounted has the panel beating shell, install the aviation socket on the panel beating shell.
Preferably, the volute is equipped with the air outlet and fixes in the motor casing top through the mounting hole, the lid is equipped with the mounting hole behind the motor and fixes in the motor casing bottom, the rotor loops through bearing, adjusting shim, motor back lid and motor casing inside fixed, filtering board and panel beating shell all are equipped with the mounting hole and fix respectively in the motor casing top, the rotor tip is equipped with external screw thread and keyway, the impeller passes through the external screw thread and the keyway is fixed inside the volute, install the filtering board on the motor casing.
The utility model discloses an useful part lies in:
the embedded design of heat dissipation cover makes heat dissipation cover install inside the motor casing, can be better and more closely make heat dissipation cover and treat radiating component contact each other, improves the radiating efficiency, and the tooth face structure of dispelling the heat on the cover simultaneously can make it compare with current heat radiation structure, can further improve the radiating efficiency.
The control panel accessible mounting hole is fixed in the heat exchanger below, and the device that generates heat such as power tube etc. are whole can hug closely the wall of heat exchanger below, can conduct the heat to whole heat exchanger fast, and the heat exchanger top is equipped with the heat dissipation flank of tooth, can further increase radiating efficiency. When the fan circular telegram was moved, the air got into the volute from the air intake, and gas blows off through the volute air outlet along with the impeller operation, and the heat of heat exchanger also takes away from the volute is inside along with the impeller rotation of top this moment, compares current centrifugal fan structure heat-sinking capability and promotes greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a side view of the present invention;
FIG. 4 is a schematic view of a controller assembly according to the present invention;
fig. 5 is a schematic structural view of the heat dissipation cover of the present invention;
the meaning of the reference symbols in the figures:
the device comprises a turbine top cover 1, a locking nut 2, an impeller 3, a volute 4, a controller assembly 5, a tracking magnetic column 6, a clamp spring 7, a bearing 8, a stator core 9, a motor shell 10, a filter plate 11, a sheet metal shell 12, an aviation socket 13, a rotor 14, an adjusting gasket 15, a motor rear cover 16, a heat dissipation cover 17 and a control board 18.
Detailed description of the preferred embodiments
The invention will be further described and illustrated with reference to the following examples and figures, without restricting the invention in any way.
A high-pressure centrifugal fan with a heat dissipation cover is shown in figures 1 to 4 and comprises a volute top cover 1, an impeller 3, a volute 4, a controller assembly 5, a tracking magnetic column 6, a stator core 9, a motor shell 10, a rotor 14 and a motor rear cover 16; impeller 3 is located inside volute 4, volute top cap 1 sets up in volute 4 tip, it sets up inside controller subassembly 5 to trail magnetic pillar 6, fixed connection between controller subassembly 5 and the motor casing 10, rotor 14 passes stator core 9, trails magnetic pillar 6, impeller 3 in proper order, lid 16 is connected with motor casing 10 behind the motor, controller subassembly 5 is including heat exchanger 17 and control panel 18, the laminating installation between control panel 18 and the heat exchanger 17 that looses. The heat dissipation cover 17 is embedded in the motor casing 10, a fixing device is arranged on the heat dissipation cover 17, the control panel 18 is connected with the heat dissipation cover 17 through the fixing device, and as shown in fig. 5, a heat dissipation tooth surface is arranged on the surface of the heat dissipation cover 17. The heat dissipating tooth surface can be made into other shapes besides the sawtooth shape.
In order to solve the technical problem of how to improve the connection strength of the components between the heat dissipation cover 17 and the control panel 18 and how to improve the heat dissipation efficiency, a fixing device can be arranged on the heat dissipation cover 17, and the control panel 18 is connected with the heat dissipation cover 17 through the fixing device. There are several embodiments of the fastening device.
One embodiment is that the heat dissipation cover 17 is provided with a mounting hole, and the control panel is connected with the heat dissipation cover 17 through the mounting hole, and the connection mode has the advantages of simple mode and easy processing.
The impeller 3 is a closed impeller 3, and under the same blade type and load condition, the working efficiency and the heat dissipation efficiency of the impeller 3 can be improved, and the controllability and the reliability of the axial displacement of the rotor 14 are improved relative to other types. And the impeller 3 is designed according to a ternary flow theory, so that the flow rule is better met, the gas flow efficiency is increased, the kinetic energy loss is reduced, and the pressure of the gas flow flowing out of the volute 4 is improved.
The volute top cover 1 is provided with an air inlet to further improve the heat dissipation efficiency.
The stator core 9 and the inner cavity of the motor shell 10 are in interference fit, so that the connection is tighter, and the loosening phenomenon is prevented.
The inside bearing room that is equipped with of motor casing 10, indoor jump ring 7 and the bearing 8 of being equipped with of bearing, the indoor jump ring groove that is equipped with of bearing, bearing 8 is installed in the jump ring inslot.
The end of the rotor 14 is fixed to the motor case 10 by a lock nut 2.
The motor casing 10 externally mounted has sheet metal housing 12, install aviation socket 13 on the sheet metal housing 12.
Volute 4 is equipped with the air outlet and fixes in motor casing 10 top through the mounting hole, lid 16 is equipped with the mounting hole behind the motor and fixes in motor casing 10 bottom, rotor 14 loops through behind bearing 8, adjusting shim 15, the motor lid 16 and the inside fixed of motor casing 10, filtering board 11 and panel beating shell 12 all are equipped with the mounting hole and fix respectively in motor casing 10 top, 14 tip of rotor is equipped with external screw thread and keyway, impeller 3 passes through the external screw thread and the keyway is fixed inside volute 4, be fixed with filtering board 11 on the motor casing 10.
The utility model discloses during the installation, form control assembly 5 after the installation of heat exchanger 17 and the 18 laminating of control panel, it is inside to trail 6 inserting controller subassemblies of magnetic column 5, and install on motor casing 10, install the jump ring between controller subassemblies 5 and the motor casing 10, a bearing, impeller 3 installs inside volute 4, and with volute top cap 1 lock, be connected volute 4 with motor casing 10 again, filter 11 is fixed with motor casing 10, rotor 14 passes stator core 9, pass motor casing 10 after the installation again, the tip passes through adjusting shim 15, and motor back cover 16 is fixed, sheet metal housing 12 and motor casing 10 fixed connection, it is fixed with aviation socket 13 and sheet metal housing 12 again.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A high-pressure centrifugal fan with a heat dissipation cover comprises a volute top cover, an impeller, a volute, a controller assembly, a tracking magnetic column, a stator core, a motor shell, a rotor and a motor rear cover; the impeller is located inside the volute, the volute top cap sets up in the volute tip, it sets up inside the controller subassembly to trail the magnetic pillar, fixed connection between controller subassembly and the motor casing, the rotor passes stator core, trails magnetic pillar, impeller in proper order, the lid is connected its characterized in that with the motor casing behind the motor: the controller assembly comprises a heat dissipation cover and a control panel, the heat dissipation cover is embedded in the motor shell, a fixing device is arranged on the heat dissipation cover, the control panel is connected with the heat dissipation cover through the fixing device, and a heat dissipation tooth surface is arranged on the surface of the heat dissipation cover.
2. The high-pressure centrifugal fan with the heat dissipation cover as recited in claim 1, wherein the control board is attached to the heat dissipation cover.
3. The high-pressure centrifugal fan with the heat radiating cover as claimed in claim 2, wherein the fixing means is a mounting hole.
4. The high-pressure centrifugal fan with the heat dissipation cover as recited in claim 3, wherein the impeller is a closed impeller, and a filter plate is fixedly mounted on the motor casing.
5. The high-pressure centrifugal fan with the heat radiation cover as claimed in claim 4, wherein the top cover of the volute is provided with an air inlet.
6. The high-pressure centrifugal fan with the heat dissipation cover as recited in any one of claims 1 to 5, wherein the stator core is installed in an interference manner with an inner cavity of the motor casing.
7. The high-pressure centrifugal fan with the heat dissipation cover as claimed in claim 6, wherein a bearing chamber is disposed inside the motor casing, a clamp spring and a bearing are disposed in the bearing chamber, a clamp spring groove is disposed in the bearing chamber, and the bearing is mounted in the clamp spring groove.
8. The high-pressure centrifugal fan with the heat dissipation cover as recited in claim 7, wherein an end of the rotor is fixed with the motor casing through a lock nut.
9. The high-pressure centrifugal fan with the heat dissipation cover as recited in claim 8, wherein a sheet metal shell is mounted outside the motor shell, and an aviation socket is mounted on the sheet metal shell.
10. The high-pressure centrifugal fan with the heat dissipation cover as claimed in any one of claims 1, 2, 3, 4, 5, 7, and 8, wherein the volute is provided with an air outlet and is fixed above the motor casing through a mounting hole, the rear motor cover is provided with a mounting hole and is fixed at the bottom of the motor casing, the rotor is fixed with the inside of the motor casing sequentially through a bearing, an adjusting gasket and a rear motor cover, the end of the rotor is provided with an external thread and a key slot, the impeller is fixed inside the volute through an external thread and a key slot, and the motor casing is provided with a filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851831.2U CN218844617U (en) | 2022-10-28 | 2022-10-28 | High-pressure centrifugal fan with heat dissipation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222851831.2U CN218844617U (en) | 2022-10-28 | 2022-10-28 | High-pressure centrifugal fan with heat dissipation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218844617U true CN218844617U (en) | 2023-04-11 |
Family
ID=87301752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222851831.2U Active CN218844617U (en) | 2022-10-28 | 2022-10-28 | High-pressure centrifugal fan with heat dissipation cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218844617U (en) |
-
2022
- 2022-10-28 CN CN202222851831.2U patent/CN218844617U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-pressure centrifugal fan with a heat dissipation cover Granted publication date: 20230411 Pledgee: CHANGZHOU XIANGMING INTELLIGENT POWER CO.,LTD. Pledgor: JIANGSU JIUGAO ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980030602 |