WO2021189310A1 - Dispositif électronique et ventilateur centrifuge - Google Patents

Dispositif électronique et ventilateur centrifuge Download PDF

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Publication number
WO2021189310A1
WO2021189310A1 PCT/CN2020/081162 CN2020081162W WO2021189310A1 WO 2021189310 A1 WO2021189310 A1 WO 2021189310A1 CN 2020081162 W CN2020081162 W CN 2020081162W WO 2021189310 A1 WO2021189310 A1 WO 2021189310A1
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WO
WIPO (PCT)
Prior art keywords
fan
air duct
housing
volute
electronic device
Prior art date
Application number
PCT/CN2020/081162
Other languages
English (en)
Chinese (zh)
Inventor
林晓龙
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN202080004284.5A priority Critical patent/CN112534142A/zh
Priority to PCT/CN2020/081162 priority patent/WO2021189310A1/fr
Publication of WO2021189310A1 publication Critical patent/WO2021189310A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans

Definitions

  • the present disclosure relates to the field of electronic technology, in particular, to an electronic device and a centrifugal fan.
  • the present disclosure provides an electronic device and a centrifugal fan.
  • the electronic device includes a centrifugal fan, including a fan housing, an impeller, and a driving device.
  • the impeller is fixedly connected to the driving device.
  • the driving device can drive the impeller to rotate to generate airflow.
  • the driving device is installed in On the fan housing; the fan housing is provided with a mounting part through which the centrifugal fan can be fixed; and a housing, which is used to carry electronic components of electronic equipment, and the housing is provided with a matching part, wherein the fan housing is When installed on the casing, the matching portion cooperates with the fan casing to jointly form at least a part of the volute of the centrifugal fan.
  • the matching part when the matching part is matched with the fan case, can be used as one or two of the following parts of the volute: the air duct upper cover, the air duct side shell, and the air duct lower cover.
  • the fan case includes one or two of the following components of the volute: an upper air duct cover, a side air duct cover, and a lower air duct cover.
  • the fan case includes an upper air duct cover of the volute and an air duct side shell
  • the mounting part is arranged on the air duct side shell
  • the housing includes a circuit board
  • the mating part is arranged on the circuit board.
  • the fan housing includes an air duct lower cover and an air duct side shell of the volute, and the mounting part is arranged on the air duct lower cover or the air duct side shell;
  • the fitting part is arranged on the inner side wall of the casing, wherein when the fitting part is matched with the fan case, the fitting part can be used as the upper cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan case.
  • the fan housing includes an upper air duct cover and a lower air duct cover of the volute, and the mounting part is arranged on the air duct lower cover;
  • the housing includes the housing of the electronic device, and the matching part is arranged on the inner side of the housing
  • the housing includes a circuit board, and the mating part is arranged on the circuit board, wherein, when the mating part is matched with the fan housing, the mating part can be used as the air duct side shell of the volute to form a centrifugal case together with the fan housing The volute of the fan.
  • the fan housing includes an upper air duct cover and a lower air duct cover of the volute, and the mounting part is arranged on the lower air duct cover;
  • the housing includes the housing of the electronic device and the circuit board;
  • One of the two mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board, wherein, when the two mating parts are matched with the fan case, the two The two matching parts can be spliced to form the air duct side shell of the volute, so as to form the volute of the centrifugal fan together with the fan case.
  • the fan housing includes an air duct lower cover of the volute, and the mounting part is arranged on the air duct lower cover;
  • the housing includes a casing of an electronic device, and the matching part is arranged on an inner side wall of the casing, wherein, When the matching portion is matched with the fan casing, the matching portion can be used as the air duct side shell of the volute to form at least part of the volute of the centrifugal fan together with the fan casing.
  • the matching part when the matching part is matched with the fan case, the matching part can also be used as an upper cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan case.
  • the fan housing includes a lower air duct cover of the volute, and the mounting part is arranged on the lower air duct cover;
  • One of the mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board, wherein, when the mating parts are matched with the fan housing, the fan housing is located on the circuit board and is arranged on the circuit board.
  • one matching part can be used as the upper cover of the air duct of the volute, and the other matching part can be used as the air duct side shell of the volute, so that the two mating parts and the fan case together form the volute of the centrifugal fan shell.
  • the fan housing includes a lower air duct cover of the volute, and the mounting part is arranged on the lower air duct cover;
  • One of the mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board, wherein, when the mating parts are matched with the fan housing, the fan housing is located on the circuit board and the other is arranged on the circuit board.
  • the two mating parts can be spliced to form the air duct side shell of the volute, so that the two mating parts and the fan housing together form at least part of the volute of the centrifugal fan.
  • the fan case includes the air duct side shell of the volute, and the mounting part is provided on the air duct side shell;
  • One of the mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board, wherein, when the mating parts are matched with the fan housing, the fan housing is located between the two mating parts.
  • the two mating parts can be respectively used as the upper cover of the air duct and the lower cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan housing.
  • the fan housing includes an upper air duct cover of the volute, and the mounting part is arranged on the upper air duct cover; the housing includes a circuit board, and the mating part is arranged on the circuit board; or the housing includes a housing of an electronic device ,
  • the mating part is arranged on the inner side wall of the casing, wherein when the mating part is matched with the fan case, the mating part can be used as the air duct side shell of the volute to form at least part of the volute of the centrifugal fan together with the fan case.
  • the mating part when the mating part is matched with the fan casing, the mating part can also serve as the lower cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan casing.
  • the fan housing includes an upper air duct cover of the volute, and the mounting part is arranged on the upper air duct cover;
  • One of the matching parts is set on the circuit board, and the other of the two matching parts is set on the inner side wall of the housing, wherein, when the matching part is matched with the fan housing, the fan housing is located on the circuit board and is matched with the other Between the inner side walls of the part; one matching part can be used as the lower cover of the air passage of the volute, and the other matching part can be used as the air passage side shell of the volute, so that the two matching parts and the fan case together form the volute of the centrifugal fan .
  • the fan case includes an upper air duct cover of the volute, and the mounting part is arranged on the upper air duct cover;
  • One of the matching parts is provided on the inner side wall of the housing, and the other of the two matching parts is provided on the circuit board, wherein, when the matching part is matched with the fan case, the fan case is located on the circuit board and a matching part is provided
  • the two matching parts can be spliced to form the air duct side shell of the volute, so that the two matching parts and the fan case together form at least part of the volute of the centrifugal fan.
  • the lower cover of the air duct has a hollow structure.
  • the housing includes a housing of the electronic device, and the mating portion is fixedly connected to the housing or integrally formed with the housing.
  • the housing includes a circuit board, and the mating portion is fixedly connected to the circuit board or integrally formed with the circuit board.
  • the housing includes a housing of an electronic device and a circuit board, and there are two mating parts; one of the two mating parts is integrally formed or fixedly connected with the housing, and the other of the two mating parts
  • the matching part is integrally formed or fixedly connected with the circuit board.
  • the fixed connection includes a connection by hot melt or a glued connection.
  • the housing is provided with a mounting post, and the mounting part installs the fan housing on the housing through the cooperation of the connector and the mounting post.
  • the electronic device further includes at least one dust-proof net
  • the housing includes a housing of the electronic device, and the at least one dust-proof net is detachably connected to the housing.
  • the electronic device further includes an air duct piece, which is detachably connected to the housing, and the air duct piece is arranged in the direction of the air outlet of the centrifugal fan.
  • the electronic device is an unmanned aerial vehicle or a handheld sports device.
  • the centrifugal fan includes a fan housing, an impeller, and a driving device.
  • the impeller is fixedly connected to the driving device, and the driving device can drive the impeller to rotate.
  • the driving device is installed on the fan housing; the fan housing is provided with a mounting portion through which the centrifugal fan can be fixed, wherein the electronic device is provided with a housing for carrying electronic components, and the housing is provided with a matching portion;
  • the fan housing can cooperate with the matching part to jointly form at least a part of the volute of the centrifugal fan.
  • the fan casing includes one or two of the following components of the volute: a lower air duct cover, a side casing of the air duct, and a lower air duct cover.
  • the fan case includes an upper air duct cover of the volute and an air duct side shell, and the mounting part is arranged on the air duct side shell.
  • the lower cover of the air duct of the casing forms the volute of the centrifugal fan together with the fan casing.
  • the fan case includes the air duct lower cover and the air duct side shell of the volute, and the mounting part is arranged on the air duct lower cover or the air duct side shell, wherein when the matching part is matched with the fan case ,
  • the matching part can be used as the upper cover of the air duct of the volute to form the volute of the centrifugal fan together with the fan case.
  • the fan case includes an upper air duct cover and a lower air duct cover of the volute, and the mounting part is arranged on the lower air duct cover.
  • the air duct side shell of the shell forms the volute of the centrifugal fan together with the fan shell.
  • the fan casing includes a lower air duct cover of the volute, and the mounting part is arranged on the lower air duct cover;
  • the side casing and the fan casing form at least part of the volute of the centrifugal fan.
  • the matching part when the matching part is matched with the fan case, the matching part can also be used as an upper cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan case.
  • the fan casing includes the air duct side casing of the volute, and the mounting part is arranged on the air duct side casing.
  • the two matching parts can be respectively used as the upper cover of the air duct and the lower cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan case.
  • the fan case includes an upper air duct cover of the volute, and the mounting part is arranged on the upper air duct cover.
  • the casing forms at least part of the volute of the centrifugal fan together with the fan casing.
  • the mating part when the mating part is matched with the fan casing, the mating part can also serve as the lower cover of the air duct of the volute, so as to form the volute of the centrifugal fan together with the fan casing.
  • the lower cover of the air duct has a hollow structure.
  • the mounting portion installs the fan housing on the housing through the cooperation of the connecting member and the mounting post provided on the housing.
  • the centrifugal fan By making at least a part of the components in the volute of the integrated centrifugal fan independent of the fan and serving as a matching part included in the housing of the electronic device, it is possible to leave space for the centrifugal fan after removing at least a part of the components in the design of the electronic device, and The design does not need to be limited to the structure of at least a part of the components in the integrated centrifugal fan. Therefore, the restriction of the centrifugal fan on the design of the electronic device can be reduced, the flexibility and diversity of the design of the electronic device can be improved, and the miniaturization design of the electronic device can be facilitated.
  • Fig. 1 schematically shows an application scenario diagram of an electronic device and a centrifugal fan according to an embodiment of the present disclosure
  • Fig. 2 schematically shows a schematic structural diagram of a centrifugal fan according to the first exemplary embodiment of the present disclosure
  • Fig. 3 schematically shows a schematic structural diagram of a centrifugal fan according to the second exemplary embodiment of the present disclosure
  • Fig. 4 schematically shows a schematic structural diagram of a centrifugal fan according to the third exemplary embodiment of the present disclosure
  • Fig. 5 schematically shows a front cross-sectional view of an electronic device according to an embodiment of the present disclosure
  • Fig. 6 schematically shows an exploded view of the structure of an electronic device according to an embodiment of the present disclosure at a first angle
  • Fig. 7 schematically shows a three-dimensional structural diagram of an electronic device according to an embodiment of the present disclosure at a first angle
  • FIG. 8 schematically shows the structure diagram of part A in FIG. 7;
  • FIG. 9 schematically shows a three-dimensional structural diagram of the body structure of an electronic device according to an embodiment of the present disclosure at a second angle
  • Fig. 10 schematically shows a structural diagram of part B in Fig. 9;
  • FIG. 11 schematically shows a three-dimensional structural diagram of the body structure of the electronic device according to an embodiment of the present disclosure at a third angle.
  • the present disclosure provides an electronic device and a centrifugal fan.
  • the electronic device includes a centrifugal fan, including a fan housing, an impeller, and a driving device.
  • the impeller is fixedly connected to the driving device.
  • the driving device can drive the impeller to rotate to generate airflow.
  • the driving device is installed in On the fan housing; the fan housing is provided with a mounting part through which the centrifugal fan can be fixed; and a housing for carrying the electronic components of the electronic device, and the housing is provided with a matching part. Wherein, when the fan housing is mounted on the housing through the mounting part, the matching part cooperates with the fan housing to jointly form at least part of the volute of the centrifugal fan.
  • FIG. 1 is only an example of a scenario where the embodiment of the present disclosure can be applied to help those skilled in the art understand the technical content of the present disclosure, but it does not mean that the embodiment of the present disclosure cannot be applied to other devices. , System or scene.
  • the electronic device of the embodiment of the present disclosure may be, for example, a movable platform or other electronic devices with processing functions other than the movable platform.
  • the electronic device may include, for example, an unmanned aerial vehicle, a handheld sports device (such as a pan-tilt), or a notebook computer.
  • the electronic device may include a body structure, and the body structure may include a housing and a circuit board arranged in the housing, the housing encloses a receiving cavity, and the circuit board is arranged in the receiving cavity.
  • a plurality of electronic components are provided on the circuit board, and the plurality of electronic components are connected to the circuit board via wires.
  • the multiple electronic components can work in cooperation with each other to achieve control of other devices in the electronic device, so that the electronic device can perform shooting, data processing, or flight.
  • the circuit board can be, for example, a single-sided board, a double-sided board, or a multilayer circuit board.
  • the body structure of the electronic device may further include a fan, the fan is arranged at a position corresponding to the circuit board, and an air inlet and an air outlet are provided on the housing. Under the action of the fan, the wind flowing into the casing from the air inlet can flow along the setting direction of the circuit board, so as to take away the heat generated by the electronic components on the circuit board and discharge the casing through the air outlet.
  • the fan In order to improve heat dissipation efficiency and facilitate the introduction of the airflow from the housing of the electronic device into the housing, the fan generally adopts a centrifugal fan with higher pressure.
  • the electronic device is an unmanned aerial vehicle as an example for description.
  • the electronic device 1 includes a body structure 10, a plurality of arms 20 and a plurality of power systems 30.
  • a plurality of power systems 30 are arranged on the plurality of arms 20 in a one-to-one correspondence.
  • the power system 30 may include, for example, a motor and a propeller, and the motor is used to provide power for the rotation of the propeller. Through the rotation of the propellers arranged on the multiple arms, it is possible to provide power for the flight of the unmanned aerial vehicle.
  • the outer shell of the main structure 10 of the unmanned aerial vehicle may be a hollow structure, for example.
  • the unmanned aerial vehicle may also include the aforementioned circuit board, fan, and load, for example.
  • the load may include, for example, a camera, a pan/tilt, a spray system, and/or a follow focus device.
  • the circuit board and the fan are relatively arranged in the hollow structure.
  • a plurality of electronic components may be arranged on the circuit board, and the plurality of electronic components may include, for example, a controller for controlling the normal operation of the load and processing the image taken by the camera. Processor, etc.
  • each power system may further include an electric regulator, for example.
  • the ESC can be arranged on the arm corresponding to the power system, or arranged in the hollow structure of the main body structure 10.
  • the electricity is used to control the work of the motors included in the power system to which it belongs, so as to control the propellers included in the power system to which it belongs.
  • the UAV can achieve yaw, pitch, and roll.
  • a centrifugal fan needs to be provided in the space enclosed by the housing of the main structure of the electronic device, and the centrifugal fan is generally an integrated design with a volute with a larger shape and size. This undoubtedly puts forward higher requirements for the design of miniaturized equipment, and also limits the structure of the equipment to a certain extent.
  • centrifugal fan for example, the upper cover of the air duct, the lower cover of the air duct and/or the side casing of the air duct, etc. that make up the volute of the centrifugal fan
  • Part of the components separated from the centrifugal fan are incorporated into the design of the body structure of the electronic device.
  • FIG. 1 It can be understood that the type and structure of the electronic device in FIG. 1 are only schematic. According to implementation needs, it can have any type and structure of electronic equipment.
  • the embodiments of the present disclosure provide a centrifugal fan that is different from the integrated fan in the related art.
  • the centrifugal fan provided by the embodiment of the present disclosure will be described in detail with reference to FIGS. 2 to 4.
  • FIGS. 2 to 4 schematically show schematic structural diagrams of centrifugal fans in three exemplary embodiments according to the present disclosure.
  • the centrifugal fans 200, 300, and 400 all include an impeller 131 and a driving device 132, and the impeller 131 and the driving device 132 are fixedly connected.
  • the driving device 132 may include, for example, a driving component such as a motor to drive the impeller 131 fixed thereto to rotate, thereby generating airflow around the centrifugal fans 200, 300, and 400.
  • the centrifugal fans 200, 300, and 400 all further include a fan case, and the drive device 132 is mounted on the fan case.
  • the fan case may include, for example, one of the three components constituting the volute or Two parts, excluding all parts of the three parts.
  • the three components include the upper air duct cover, the lower air duct cover and the air duct side shell.
  • the centrifugal fans 200, 300, 400 may further include a mounting part, which is arranged on the fan housing , To fix the fan through the mounting part.
  • the centrifugal fan can be fixed in an electronic device that needs to dissipate heat through the mounting part.
  • the mounting portion may be, for example, a fixing hole, so as to be connected to the electronic device by penetrating the connecting member.
  • the connecting member may be, for example, a detachable connecting member such as a bolt or a screw.
  • the housing of the electronic device for carrying electronic components may be provided with a fitting part, for example.
  • the fan housing of the centrifugal fan can be matched with the matching part to jointly form the volute of the centrifugal fan.
  • the fan housing and the matching portion can cooperate with each other, for example, to form only part of the structure of the volute of the centrifugal fan, and the fan housing, the matching portion, and the electronic device housing other than the matching portion surround the housing area.
  • the housing of the electronic device may specifically be a part of the body structure of the electronic device.
  • the matching part of the housing of the electronic device when the matching part of the housing of the electronic device is matched with the fan case, the matching part can be used as one or two of the three parts of the volute.
  • the mating part when the fan case includes one of the three parts of the volute, the mating part may serve as one or two of the three parts of the volute except for one part.
  • the mating part when the fan case includes one of the three parts of the volute, the mating part may be the other part of the three parts of the volute except for two parts.
  • the centrifugal fan of various structures and the electronic equipment including the centrifugal fan of the various structures will be described in detail.
  • the casing of the electronic device includes a casing
  • the casing may specifically be the casing of the main structure of the electronic device.
  • the circuit board is arranged in the receiving cavity enclosed by the main structure. Circuit board in.
  • the fan housing of the centrifugal fan 200 may include, for example, an upper air duct cover 133, the mounting portion is disposed on the upper air duct cover, and the driving device 132 is fixed on the upper air duct cover 133.
  • the matching portion provided in the housing of the electronic device may be used as the air duct side shell of the volute structure when it is matched with the fan housing. Therefore, the matching portion can form at least part of the volute of the centrifugal fan together with the fan housing (ie, the upper air duct cover 133).
  • the housing of the electronic device may include a circuit board, for example, the matching portion on the housing may be provided on the circuit board and protrude from the circuit board, and the matching portion can enclose a part of the area on the circuit board.
  • the mating part is matched with the fan housing, the mating part and the fan housing together serve as at least part of the volute of the centrifugal fan.
  • the mating part, the fan case and the area enclosed by the mating part on the circuit board together form a volute structure.
  • the electronic device may also include a housing, the housing encloses a receiving cavity, and the circuit board is located in the receiving cavity for carrying electronic components.
  • the matching portion on the housing may be provided on the inner side wall of the housing, for example.
  • the inner side wall of the housing is arranged opposite to the circuit board.
  • the electronic device may also include a housing, the housing encloses a receiving cavity, and the circuit board is located in the receiving cavity for carrying electronic components.
  • One mating part of the two mating parts is provided on the inner side wall of the housing and protruding from the inner side wall, and the other mating part of the two mating parts is provided on the circuit board and Protruding from the circuit board.
  • One matching part can be used as a part of the air duct side shell, and the other matching part can be used as another part of the air duct side shell, and the two parts are spliced to form the air duct side shell.
  • the fan case when the matching part is matched with the fan case, the fan case is located between the circuit board and the inner side wall provided with a matching part.
  • the two matching parts can be spliced to form the air duct side shell of the volute, so that the two matching parts and The fan casings together form at least part of the volute of the centrifugal fan.
  • the matching part, the fan case and the circuit board together form a volute structure, that is, the circuit board is used as the lower cover of the air duct.
  • the matching portion provided in the housing of the electronic device can be used as the air duct side shell of the volute structure, and can also be used as the air duct lower cover of the volute structure when it is matched with the fan housing. Therefore, the matching part and the fan casing can jointly form the volute of the centrifugal fan.
  • the mating part of the electronic device may be provided on the circuit board included in the housing.
  • the mating part is composed of two parts. One part of the mating part is attached to the circuit board, and the other part of the mating part protrudes from the circuit board and can be connected to a part of the mating part.
  • the matching part can be matched with the fan casing, the impeller and the driving device of the centrifugal fan are located in the receiving space, so that the fan casing and the matching part together form the volute of the centrifugal fan.
  • the electronic device may include a housing and a circuit board, and there may be two mating parts, one mating part of the two mating parts is provided on the circuit board, and the other mating part of the two mating parts is provided on the inner side wall of the housing superior.
  • the matching part is matched with the fan casing, the fan casing is located between the circuit board and the inner side wall provided with another matching part.
  • One mating part can be used as the lower cover of the air duct of the volute, and the other mating part can be used as the air duct side shell of the volute, and the two mating parts and the fan case together form the volute of the centrifugal fan.
  • the electronic device may include a housing and a circuit board, and there may be two mating parts, one mating part of the two mating parts is provided on the circuit board and partially protruding from the circuit board, and the other of the two mating parts is mated
  • the part is arranged on the inner side wall of the shell and protrudes from the inner side wall.
  • the matching part is matched with the fan casing, the fan casing is located between the circuit board and the inner side wall provided with another matching part.
  • One mating part can be used as a structure of a part of the air duct lower cover and the air duct side shell of the volute, and the other mating part can be used as a structure of another part of the air duct side shell of the volute.
  • the two matching parts and the fan casing together form a volute casing of the centrifugal fan.
  • the fan housing of the centrifugal fan 300 may include, for example, an air duct lower cover 134, and a mounting portion (such as the mounting portion 136 in FIG. 3) is provided on the air duct lower cover 134,
  • the driving device 132 is fixed on the lower cover 134 of the air duct.
  • the matching portion provided in the housing of the electronic device may be used as the air duct side shell of the volute structure when it is matched with the fan housing. Therefore, the matching portion can form at least part of the volute of the centrifugal fan together with the fan casing (ie, the lower air duct cover 134).
  • the housing of the electronic device may include, for example, the housing of the electronic device, the matching portion on the housing may be provided on the inner side wall of the housing, and the matching portion protrudes from the inner side wall, so that the inner side wall Part of the upper area is fenced off.
  • the matching part is matched with the fan casing, the centrifugal fan is located in the receiving cavity enclosed by the casing, and the matching part and the fan casing together serve as at least part of the volute of the centrifugal fan.
  • the mating part, the fan case and the area enclosed by the mating part on the inner side wall of the housing together constitute a volute structure, that is, the area enclosed by the mating part on the inner side wall of the housing is used as the upper cover of the air duct.
  • the electronic device may also include a circuit board, the housing encloses a receiving cavity, and the circuit board is located in the receiving cavity for carrying electronic components.
  • the matching portion on the housing can be provided on the circuit board, for example, and the matching portion protrudes from the circuit board.
  • the matching part and the fan casing together serve as at least a part of the volute of the centrifugal fan.
  • the matching part, the fan casing and the part of the casing opposite to the circuit board form a volute structure, that is, the part of the casing opposite to the circuit board serves as the upper cover of the air duct.
  • the electronic device may also include a circuit board, the housing encloses a receiving cavity, and the circuit board is located in the receiving cavity for carrying electronic components.
  • One matching part can be used as a part of the air duct side shell, and the other matching part can be used as another part of the air duct side shell, and the two parts are spliced to form the air duct side shell.
  • the fan case when the matching part is matched with the fan case, the fan case is located between the circuit board and the inner side wall provided with a matching part.
  • the two matching parts can be spliced to form the air duct side shell of the volute, so that the two matching parts and
  • the fan casings together form at least part of the volute of the centrifugal fan.
  • the matching part, the fan casing and the outer casing together form a volute structure, that is, an area enclosed by a matching part on the inner side wall of the outer casing is used as an upper cover of the air duct.
  • the matching portion provided in the housing of the electronic device can be used as the air duct side shell of the volute structure, and can also be used as the air duct upper cover of the volute structure when it is matched with the fan housing.
  • the matching part and the fan case can jointly form the volute of the centrifugal fan.
  • the electronic device may include a housing and a circuit board, and there may be two mating parts, one mating part of the two mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board superior.
  • the matching part is matched with the fan case, the fan case is located between the circuit board and the inner side wall provided with a matching part.
  • One matching part can be used as the upper cover of the air duct of the volute, and the other matching part can be used as the air duct side shell of the volute, and the two matching parts and the fan housing together form the volute of the centrifugal fan.
  • the mating part of the electronic device may be provided on the housing included in the housing.
  • the mating part is composed of two parts. One part of the mating part is attached to the inner side wall of the housing, and the other part of the mating part protrudes from the inner side wall of the housing and can be matched with one part.
  • the matching part is matched with the fan casing, the impeller and the driving device of the centrifugal fan are located in the receiving space, so that the fan casing and the matching part together form the volute of the centrifugal fan.
  • the electronic device may include a housing and a circuit board, and there may be two mating parts, one of the two mating parts is disposed on the inner side wall of the housing and partly protrudes from the circuit board, and the other of the two mating parts
  • the matching part is arranged on the circuit board and protrudes from the inner side wall.
  • the fan case is located between the circuit board and the inner side wall provided with a matching part.
  • One matching part can be used as the structure of a part of the air duct upper cover and the air duct side shell of the volute, and the other matching part can be used as the structure of another part of the air duct side shell of the volute.
  • the two matching parts and the fan casing together form a volute casing of the centrifugal fan.
  • the fan housing of the centrifugal fan 400 may include, for example, an air duct side housing 135, and a mounting part (such as the mounting part 136' in FIG. 4) is provided on the air duct side housing 135 ,
  • the driving device 132 is fixed on the air duct side shell 135.
  • the housing of the electronic device may include a circuit board and a housing of the electronic device. There are two mating parts provided on the housing, one mating part of the two mating parts is arranged on the inner side wall of the housing, and the other mating part of the two mating parts is arranged on the circuit board.
  • the fan case when the matching part is matched with the fan case, the fan case is located between the two matching parts; the two matching parts can be respectively used as the upper cover of the air duct and the lower cover of the air duct of the volute, so as to communicate with the fan case (ie, the air duct side shell). 135) The volute of the centrifugal fan is formed together.
  • the one mating part may be fixedly connected to the housing by means of hot melt or gluing, or the one mating part may be a part of the housing.
  • the other mating portion may be fixedly connected to the circuit board by means of hot melt or gluing, or the one mating portion may be a part of the circuit board.
  • the fan housing of the centrifugal fan may include not only the upper air duct cover 133 as shown in FIG. 2 but also the lower air duct cover 134 as shown in FIG. 3, for example.
  • the installation part may be the installation part 136 shown in FIG. 3 and is arranged on the lower cover 134 of the air duct.
  • the matching portion provided in the housing of the electronic device may be used as the air duct side shell of the volute structure when it is matched with the fan housing. Therefore, the matching portion and the fan housing (ie, the lower air duct cover 134 and the upper air duct cover 133) can form the volute of the centrifugal fan.
  • the housing of the electronic device may include a housing, the housing encloses a receiving cavity, and the matching portion on the housing may be provided on the inner side wall of the housing, for example.
  • the matching portion protrudes from the inner side wall and can enclose a part of the area on the inner side wall.
  • the housing of the electronic device may include a circuit board, and the matching portion on the housing may be provided on the circuit board, for example.
  • the matching portion protrudes from the circuit board and can enclose a part of the area on the circuit board.
  • the housing of the electronic device may include both a housing and a circuit board, for example.
  • the housing encloses a containing cavity, and the circuit board is located in the containing cavity for carrying electronic components.
  • One mating part of the two mating parts is provided on the inner side wall of the housing and protruding from the inner side wall, and the other mating part of the two mating parts is provided on the circuit board and Protruding from the circuit board.
  • One matching part can be used as a part of the air duct side shell, and the other matching part can be used as another part of the air duct side shell. That is, when the matching part is matched with the fan case, the fan case is located between the circuit board and the inner side wall provided with a matching part.
  • the shells together form the volute of the centrifugal fan.
  • the fan housing of the centrifugal fan may include not only the air duct upper cover 133 as shown in FIG. 2, but also the air duct side casing 135 as shown in FIG. 4, for example.
  • the installation part may be the installation part 136' shown in FIG.
  • the matching portion provided in the housing of the electronic device can be used as the lower cover of the air duct of the volute structure when matched with the fan housing, for example. Therefore, the matching portion and the fan casing (ie, the air duct upper cover 133 and the air duct side casing 135) can form the volute of the centrifugal fan.
  • the housing of the electronic device may include a circuit board, and the matching portion provided in the housing may be specifically arranged on the circuit board.
  • the mating portion may be a component independent of the circuit board and fixedly connected to the circuit board, or the mating portion may be a part of the circuit board (ie, integrally formed with the circuit board).
  • the mating part can be fixed to the circuit board by means of hot melt or adhesive, for example.
  • the fan housing of the centrifugal fan may include not only the air duct lower cover 134 as shown in FIG. 3, but also the air duct side casing 135 as shown in FIG. 4, for example.
  • the installation part may be the installation part 136 shown in FIG. 3 and is arranged on the lower cover 134 of the air duct.
  • the mounting portion may be the mounting portion 136' shown in FIG. 4, which is provided on the air duct side shell 135.
  • the matching portion provided in the housing of the electronic device can be used as an upper cover of the air duct of the volute structure when matched with the fan housing, for example. Therefore, the matching portion and the fan casing (ie, the air duct lower cover 134 and the air duct side casing 135) can form the volute of the centrifugal fan.
  • the housing of the electronic device may include a housing, the housing encloses a receiving cavity, and the matching portion provided by the housing may be specifically arranged on the inner side wall of the housing.
  • the mating part may be a component independent of the housing and fixedly connected to the inner side wall of the housing, or the mating part may be a part of the housing (ie, integrally formed with the housing).
  • the mating part may be fixed on the inner side wall of the housing by means of hot melt or gluing, for example.
  • the matching part is matched with the fan housing, the centrifugal fan is located in the receiving cavity enclosed by the housing.
  • the centrifugal fan in a case where the centrifugal fan includes the air duct lower cover 134 as shown in FIG. 134 may be a hollow structure, for example.
  • the centrifugal fan part when the centrifugal fan part includes the air duct lower cover 134, but the matching part of the electronic device can be used as the air duct lower cover of the volute, the matching part may be a hollow structure to reduce the overall weight of the electronic device.
  • the matching portion on the housing of the electronic device may be integrally formed with the housing of the electronic device, for example.
  • the housing includes a circuit board, and the matching portion is integrally formed with the circuit board.
  • the housing includes a housing of the electronic device, and the matching portion is integrally formed with the housing of the electronic device.
  • there are two matching parts the housing of the electronic device includes a circuit board and a housing, one of the two matching parts is integrally formed with the housing, and the other of the two matching parts is formed with the circuit board.
  • the housing of the electronic device includes a circuit board and a housing, one of the two matching parts is integrally formed with the housing, and the other of the two matching parts is formed with the circuit board.
  • the matching portion on the electronic device housing may be fixedly connected to the electronic device housing, for example.
  • the housing includes a circuit board, and the mating portion is fixedly connected to the circuit board.
  • the housing includes a housing of the electronic device, and the mating portion is fixedly connected to the housing of the electronic device.
  • there are two mating parts the housing of the electronic device includes a circuit board and a housing, one of the two mating parts is fixedly connected to the housing, and the other of the two mating parts is connected to the circuit board.
  • Fixed connection may include, for example, a non-detachable connection and a detachable connection.
  • the non-detachable connection may include, for example, a glued connection or a connection by hot melt.
  • the design of the electronic device may be as fragmented as possible.
  • the matching portion on the housing of the electronic device can be detachably connected with the housing of the electronic device, for example.
  • the mating part can be detachably connected with the housing and/or the circuit board.
  • the housing of the electronic equipment may also be provided with a mounting post, for example, through which the mounting part of the centrifugal fan passes The connection between the connecting piece and the mounting post is used to mount the fan on the housing.
  • the centrifugal fan when the centrifugal fan is fixed to the housing, it is usually arranged in the receiving cavity enclosed by the housing of the electronic device.
  • the housing included in the housing of the electronic device may be provided with an air inlet and an air outlet.
  • the air outlet corresponds to the air outlet direction of the centrifugal fan.
  • the electronic device in order to prevent dust from outside the electronic device from entering the containing cavity along with the airflow, the electronic device may be provided with at least one dust-proof net, for example, which is arranged at least at the air inlet of the housing. Further, in order to facilitate timely replacement and cleaning of the dust-proof net, the at least one dust-proof net may be detachably connected to the housing.
  • the electronic device may further include, for example, an air duct sheet, which is detachably connected to the housing, And the air duct fins are arranged in the direction of the air outlet of the centrifugal fan.
  • the air duct sheet can be detachably connected to the inner side wall above the housing.
  • the fan housing only includes the lower air duct cover and the mounting part of the electronic equipment can be used as the air duct upper cover and the air duct side cover of the volute with reference to FIGS. 5-11. It is understandable that, in other embodiments, when the fan case includes the lower air duct cover of the volute and other components, or the fan case includes other components, the design principle of the electronic device is the same as the design principle of the electronic device described in FIGS. 5 to 11 similar.
  • the electronic device of the embodiment of the present disclosure includes a main body structure 10, and the main body structure may include a housing 110, a heat sink 120, a fan 130 and a side shell 140.
  • the housing 110 may, for example, enclose a receiving cavity 111, and the receiving cavity 111 is used for arranging the component 120 to be dissipated.
  • the fan 130 should be disposed in the receiving cavity 111 at a position corresponding to the component to be dissipated 120, or the component to be dissipated can be disposed in the direction of the air outlet of the fan 130.
  • the fan 130 since the fan 130 is generally provided by a fan supplier, in order to facilitate the installation or replacement of the fan 130, the fan may be detachably disposed between the housing 110 and the component 120 to be dissipated, for example.
  • the component 120 to be dissipated may be, for example, a circuit board.
  • the circuit board may be, for example, a single-sided PCB (Printed circuit boards), and the first surface of the circuit board may be provided with multiple electronic elements such as processors, memories, microprocessors, single-chip computers, and sensors.
  • the fan 130 may be arranged between the second surface of the circuit board and the housing, for example. The second surface is the surface opposite to the first surface. It can be understood that the types of the components to be dissipated and the circuit board, and the location of the fan are only used as examples to facilitate the understanding of the present disclosure, which is not limited in the present disclosure. The position of the heat sink and the fan can be set according to actual needs.
  • the part to be dissipated may be, for example, a double-sided PCB. Detachable ground connection.
  • the lower air duct cover 134 of the fan 130 can be supported by the fixing structure.
  • the fan 130 may also include an impeller 131 and a driving device 132, for example.
  • the lower air duct cover 134 is used to detachably arrange the fan between the housing 110 and the component 120 to be dissipated.
  • the air duct lower cover 134 may be, for example, a mounting plate, and the mounting plate is provided with a fixing hole (ie, a mounting portion).
  • the air duct lower cover 134 may include a fixed column and a fixed plate, for example. The fixing column is arranged at the center of the fixing plate and used for supporting and fixing the driving device 132.
  • the fixing plate is provided with a fixing hole (that is, a mounting portion) for penetrating the connecting member 160, and detachably connecting with the housing 110 or the to-be-heated member 120 via the connecting member 160, so that the fan is detachably arranged in the housing 110 and the to-be-heated member 120.
  • the fan 130 may be, for example, the centrifugal fan 300 shown in FIG. 3.
  • the air duct lower cover 134 included in the fan 130 may be, for example, a mounting plate with a hollow structure.
  • a mounting post 150 may be provided on the housing 110, for example, and the connecting member 160 may penetrate into a fixing hole on the lower cover 134 of the air duct and be fixed in the mounting post 150 ,
  • the connection between the fan 130 and the housing 110 is realized.
  • the mounting post may be a screw post, for example, and the connecting member 160 may be a self-tapping screw, for example.
  • the self-tapping screw By biting the self-tapping screw into the screw post, the stability of the impeller 131 arranged between the housing 110 and the component 120 to be dissipated is improved.
  • the mounting post may be provided on the part to be dissipated, and similarly, the fan 130 may be detachably connected to the part to be dissipated 120 via the connecting member 160.
  • the fan 130 or a centrifugal fan.
  • the housing 110 may further be provided with an air inlet 112 and an air outlet 113, for example. Under the action of the fan 130, the airflow outside the housing 110 can flow into the receiving cavity 111 through the air inlet 112, and the airflow can flow along the direction of the dissipating part (for example, the length direction of the dissipating part) through the action of the fan 130 .
  • the heat generated by the component 120 to be dissipated can be taken away and discharged from the housing 110 through the air outlet 113 to realize the heat dissipation of the component to be dissipated.
  • the setting of the air inlet 112 and the air outlet 113 provided on the housing 110 can be set according to the type of the fan 130 and the installation position of the component 120 to be dissipated.
  • the air inlet 112 may be provided at one end of the housing 110 along the central axis of the centrifugal fan
  • the air outlet 113 may be provided at one end of the housing 110 along the air outlet direction of the centrifugal fan.
  • a plurality of electronic components may not only be arranged on the first surface of the circuit board opposite to the centrifugal fan, but also may be arranged at any position between the fan 130 and the air outlet 113 on the first surface, or, for example, It can be arranged at any position between the fan 130 and the air outlet 113 on the second surface of the circuit board. Then, the airflow flowing in the direction perpendicular to the central axis of the fan 130 can take away the heat generated by the multiple electronic components.
  • the side shell 140 may be fixedly connected to the outer shell 110 and/or the heat-dissipating member 120, for example.
  • the side shell 140 may be, for example, a shell structure protruding from the inner surface of the housing 110 or a shell structure protruding from the surface of the to-be-heated component 120 connected to the fan 130.
  • the side shell 140 may surround the impeller 131 of the fan 130 to serve as a housing of the fan 130, for example.
  • the side shell 140 may be fixedly connected to the shell 110 or the component to be dissipated 120 by hot melt, in-mold injection molding, or gluing, for example.
  • the side shell 140 may be integrally formed with the shell 110 or the heat sink 120, so as to improve the connection stability, reduce the number of parts to be designed in the design of electronic equipment, and reduce the control of materials. cost.
  • the side shell 140 may be a part of the volute, for example, the side shell 140 has a structure similar to the volute of an integrated centrifugal fan.
  • the impeller 131 is disposed between the housing 110 and the component 120 to be dissipated through the lower cover 134 of the air duct, the impeller 131 is located in the side shell 140 so that the side shell 140 can be used as a side shell of the volute of the fan 130.
  • the fan 130 and the side shell 140 can form a complete fan.
  • the bottom of the complete fan can be closed, and the air inlet of the housing A complete wind field can be formed between 112 and the air outlet 113 of the shell.
  • the arrangement of the side shell 140 can make the fan 130 emit air uniformly, thereby improving the heat dissipation balance of the electronic device, and avoiding device damage caused by excessive local temperature.
  • the side shell 140 may also include two parts, for example, and the two parts may be, for example, the device body and the housing part, respectively.
  • the device body is detachably connected to the housing 110
  • the housing part is detachably connected to the component to be dissipated 120.
  • the fan 130 and the part to be dissipated 120 are arranged in the accommodating cavity 111, and the fan 130 is disposed between the housing 110 and the part to be dissipated 120
  • the device body and the housing parts are spliced to form the side shell of the volute, and
  • the fan 130 is located in the side shell of the volute.
  • the partial casing of the centrifugal fan can be made independent of the fan, so that the main body structure of the electronic device is no longer limited by the size and structure of the integrated fan. To a certain extent, this can reduce the design difficulty of thin, thin and miniaturized electronic devices that require fan heat dissipation, and improve the flexibility of electronic device design.
  • the body structure 10 of the electronic device may further include an air duct cover 170 (as an upper air duct cover), and the air duct cover 170 is provided with an air inlet 171, and the air inlet 171 is arranged corresponding to the air inlet 121 provided on the housing 110 and is used for receiving the air flow from the air inlet 121.
  • the air duct cover 170 may be embedded in the air inlet 112 of the housing 110, for example.
  • the air duct cover 170 when the fan 130 is disposed between the housing 110 and the component 120 to be dissipated, the air duct cover 170 may also be disposed on the impeller 131 of the fan 130, and the air duct cover 170 and the air duct The lower covers 134 are respectively located on opposite sides of the impeller 131.
  • the air duct cover 170 can be configured such that when the fan 130 is disposed between the housing 110 and the component 120 to be dissipated, the air duct cover 170 can be used as an upper air duct cover of the fan 130.
  • the air duct cover 170 may be fixedly connected to the housing 110 by means of hot melt, in-mold injection molding or gluing, or may also be detachably connected to the housing 110 through a detachable connector.
  • the air duct cover 170 and the housing 110 may be an integral structure.
  • the fan 130, the side shell 140 and the air duct cover 170 can form a complete fan similar to an integrated fan.
  • the fan 130 is supported by the heat sink 120, since the bottom of the complete fan is closed, when the fan 130 is in the working state, a complete wind field can be formed inside the body structure 10 of the electronic device. In this way, the heat dissipation of the to-be-heated component 120 is realized.
  • the airflow flowing into the body structure 10 from the air inlet may be controlled to flow in a stable wind direction after being blown out by the fan 130.
  • the main body structure 10 of the electronic device of this embodiment may further include an air duct sheet 180.
  • the air duct sheet 180 may, for example, be arranged on the part to be dissipated 120 and located on the fan 130 and the outer casing 110. Between the tuyere 113. The air flow blown by the fan 130 flows to the air outlet 113 through the air duct sheet 180.
  • the air duct sheet 180 may be, for example, a flat plate structure integrally formed with the housing or detachably connected.
  • the air duct sheet 180 is extended along the direction of the fan's air outlet.
  • the parts to be dissipated are arranged on opposite sides of the fan.
  • the part to be dissipated may also be provided with heat dissipating teeth.
  • the heat dissipating teeth protrude from the surface of the part to be dissipated 120 supporting the fan 130, and a plurality of sheet-like structures are periodically arranged on the surface .
  • the arranging direction of the plurality of sheet-like structures is parallel to the air outlet direction of the fan 130.
  • the main body structure 10 may further include at least one dust-proof net 190, for example.
  • the at least one dust-proof net 190 may be respectively disposed at the holes of the housing 110, for example, may be disposed at the air inlet 112, and/or disposed at the air outlet 113, for example.
  • the dust-proof net 190 may be detachably connected to the housing 110, so as to facilitate the removal and cleaning of the dust-proof net 190.
  • the dust-proof net 190 may be integrally formed with the housing 110, for example. In this way, the number of parts in the main body structure 10 of the electronic device is further reduced, the cost of material management and control is reduced, and the structural stability of the main body structure 10 is improved.
  • the main body structure 10 of the electronic device includes a housing 110, a component to be dissipated 120, a fan 130, a side shell 140, an air duct cover 170, an air duct sheet 180 and a dust-proof net 190.
  • the fan 130 includes an impeller 131, a driving device 132 and an air duct lower cover 134.
  • the air duct cover 170 and the dust-proof net 190 are formed as an integral structure with the housing 110, and the air duct sheet 180 and the heat-dissipating member 120 are formed as an integral structure.
  • the assembly or production process of the main body structure 10 of the electronic device may include, for example, first fixing the air duct cover 170 to the housing 110 by means of hot melt, in-mold injection, or gluing. Then, the fan 130 is fixed to the housing 110 by inserting the connecting piece 160 into the lower cover 134 of the air duct and biting into the mounting post 150. After the fixing is completed, the fan 130, the side shell 140 on the housing 110 and the air duct cover 170 form a complete fan. Finally, the integral structure composed of the housing 110, the air duct cover 170 and the fan 130 is covered on the part to be dissipated 120, which can complete the sealing of the bottom surface of the fan 130. So far, a complete wind field is formed in the body structure 10 of the electronic device.
  • connection between the side shell 140 and the outer shell 110 or the component to be dissipated 120 is used as an example for description.
  • the structural parts are integrated to facilitate the fixing of the fan and the construction of the fan housing.
  • the overall shape and structure of the housing 110 are only examples to facilitate understanding of the present disclosure, and the present disclosure does not limit this.
  • the housing 110 may have different shapes and structures.
  • the specific shape, structure and placement position of any one of the parts to be dissipated 120, the fan 130, the side shell 140, the air duct cover 170, the air duct sheet 180, and the dust-proof net 190 It can also be set according to the actual requirements of the electronic device, which is not limited in the present disclosure.
  • the present disclosure uses the side shell of the fan (that is, the side shell 140) and the upper cover of the air duct (that is, the air duct cover 170). ) And other structures are independent of the fan.
  • the fan bracket is used as a mounting part to connect the fan and the counterpart (such as the housing 110 or the heat-dissipating part 120, etc.), which can realize the random setting of the fan installation position and the size of the installation space, and the body of the electronic device Difficulty of structural design.
  • the structure of the fan itself can be omitted. Save space, reduce the weight of the main body structure of the electronic device, improve the strength of the main body structure, and increase the freedom and flexibility of the main body structure design and development.
  • the present disclosure also provides an electronic device that includes the body structure 10 of the electronic device described in FIGS. 5 to 11.
  • the electronic device can be, for example, an unmanned aerial vehicle, a handheld sports device (such as a pan/tilt), a notebook computer, or the like. Wherein, when the electronic device is an unmanned aerial vehicle, the structure of the electronic device is similar to the electronic device 1 in FIG. 1, and will not be repeated here.

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Abstract

La divulgation concerne un dispositif électronique (1) et un ventilateur centrifuge (200/300/400). Le dispositif électronique (1) comprend : le ventilateur centrifuge (200/300/400), le ventilateur centrifuge (200/300/400) comprenant un carter de ventilateur, une roue à aubes (131) et un dispositif d'entraînement (132), la roue à aubes (131) étant relié de manière fixe au dispositif d'entraînement (132), le dispositif d'entraînement (132) étant apte à entraîner la roue à aubes (131) de façon à générer un flux d'air, et le dispositif d'entraînement (132) étant monté sur le carter de ventilateur ; le carter de ventilateur étant pourvu d'une partie de montage (136/136'), et le ventilateur centrifuge (200/300/400) pouvant être fixé au moyen de la partie de montage (136/136f) ; et un boîtier, qui est utilisé pour transporter des composants électroniques du dispositif électronique (1), le boîtier étant pourvu d'une partie de mise en correspondance. Lorsque le carter de ventilateur est monté sur le boîtier au moyen de la partie de montage (136/136'), la partie de mise en correspondance correspond au carter de ventilateur de manière à former conjointement au moins une partie d'une volute du ventilateur centrifuge (200/300/400). Ainsi, la limitation du ventilateur centrifuge sur la conception du dispositif électronique peut être réduite, la flexibilité et la diversité de la conception du dispositif électronique sont améliorées, et une conception miniaturisée du dispositif électronique est facilitée.
PCT/CN2020/081162 2020-03-25 2020-03-25 Dispositif électronique et ventilateur centrifuge WO2021189310A1 (fr)

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CN202080004284.5A CN112534142A (zh) 2020-03-25 2020-03-25 电子设备及离心风扇
PCT/CN2020/081162 WO2021189310A1 (fr) 2020-03-25 2020-03-25 Dispositif électronique et ventilateur centrifuge

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