CN211579812U - Brushless dust catcher motor and dust catcher - Google Patents
Brushless dust catcher motor and dust catcher Download PDFInfo
- Publication number
- CN211579812U CN211579812U CN202020225731.7U CN202020225731U CN211579812U CN 211579812 U CN211579812 U CN 211579812U CN 202020225731 U CN202020225731 U CN 202020225731U CN 211579812 U CN211579812 U CN 211579812U
- Authority
- CN
- China
- Prior art keywords
- air duct
- shell
- housing
- brushless
- electric control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a brushless dust catcher motor and dust catcher. The cleaner includes a brushless cleaner motor. The brushless dust collector motor comprises a shell, a movable impeller, a driving device and an electric control board. The casing comprises a casing body and an air duct shell sleeved at one end of the casing body and used for forming an air duct, and the air duct is suitable for air flow to enter and guides the air flow to be blown out from an air duct outlet between the air duct shell and the outer wall of the casing body. The movable impeller is arranged in the air duct shell and can rotate relative to the air duct shell. The driving device comprises a stator assembly fixed in the shell and a rotating shaft rotationally connected with the stator assembly, and the rotating shaft penetrates out of the shell to be connected with the movable impeller. The electric control plate is arranged in the shell and connected with the stator assembly, and the electric control plate is positioned on one side of the stator assembly, which is far away from the air duct. The technical scheme of the utility model, can make brushless dust catcher motor be applicable to dry environment and wet environment to improve the suitability of brushless dust catcher motor.
Description
Technical Field
The utility model relates to a dust catcher technical field, in particular to brushless dust catcher motor and dust catcher.
Background
A brushless motor for a vacuum cleaner is generally used in a vacuum cleaner as a device for driving an air flow of the vacuum cleaner to remove foreign materials such as dust from an object to be cleaned (e.g., a floor surface or furniture such as a seat mattress). However, the brushless vacuum cleaner motor usually has its electric control board installed outside its casing and near the air duct outlet of the casing, and when there is water on the surface of the object to be cleaned, the water will be sucked into the electric control board by the brushless vacuum cleaner motor, and then the air duct outlet blows out the air flow with steam, so that the air flow with steam is easily blown onto the electric control board, and the electric control board is wetted and easily fails.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a brushless dust catcher motor, the automatically controlled board that aims at reducing the brushless dust catcher motor is taken place by the condition of wetting to make the brushless dust catcher motor can be applicable to dry environment and wet environment, improve the suitability of brushless dust catcher motor.
In order to achieve the above object, the utility model provides a brushless dust collector motor. The brushless dust collector motor comprises a shell, a movable impeller, a driving device and an electric control board. The casing comprises a casing body and an air duct shell sleeved at one end of the casing body and used for forming an air duct, wherein the air duct is suitable for air flow to enter and guide the air flow to blow out from an air duct outlet between the air duct shell and the outer wall of the casing body. The movable impeller is configured in the air duct shell and can rotate relative to the air duct shell. The driving device comprises a stator assembly fixed in the shell and a rotating shaft rotationally connected with the stator assembly, and the rotating shaft penetrates out of the shell to be connected with the movable impeller. The electric control plate is arranged in the shell and connected with the stator assembly, and the electric control plate is positioned on one side of the stator assembly, which is far away from the air duct.
Optionally, the casing includes a casing body and a casing cover, the casing body is open towards a side back to the air duct casing, the casing cover detachably covers the opening, and the electric control board is installed on the casing body or on the inner side of the casing cover.
Optionally, a bolt connection column is convexly arranged in the shell body towards the opening of the shell body, and a first connection hole and a second connection hole corresponding to the bolt connection column are respectively arranged in the shell cover and the electric control board in a penetrating manner; the shell cover, the electric control plate and the shell body are connected together by sequentially penetrating the first connecting hole, the second connecting hole and the screw connecting column through connecting pieces.
Optionally, the shell body is formed with a first annular slot at an open outer peripheral edge thereof, and an inner peripheral edge of the first annular slot is formed with a first annular slot wall; the inner circumference of the shell cover is provided with a second annular slot for the corresponding insertion of the first annular slot wall, and the outer side edge of the second annular slot is provided with a second annular slot wall corresponding to the first annular slot wall.
Optionally, the housing cover is made of a metal material, and the electric control board is attached to an inner wall surface of the housing cover, so that the electric control board radiates heat through the housing cover; and/or a heat conduction material layer is formed on the surface of the electric control board, and the electric control board is attached to the inner wall surface of the shell cover through the heat conduction material layer.
Optionally, a signal line interface is arranged on the electric control board, an interface slot adapted to the signal line interface is arranged on the housing cover, and the signal line interface is embedded in the interface slot.
Optionally, the casing body comprises a main body part with the opening, and an extension part extending from the main body part to the inside of the air duct casing; the extending part and the air duct shell enclose to form the air duct; the air duct outlet is formed between the outer wall surface of the main body part and the periphery of the air duct shell, and the main body part is arranged in a gradually expanding shape from the position where the main body part is connected with the extension part to the outside, so that the air duct outlet is in a gradually expanding shape.
Optionally, the stator assembly includes a bobbin fixed in the housing body, and a stator core mounted on the bobbin, the bobbin is configured with a connection terminal, the electric control board is provided with a third connection hole corresponding to the connection terminal, and the third connection hole is suitable for being inserted into and connected with the connection terminal.
Optionally, the brushless dust collector motor further comprises a fixed impeller installed in the air duct shell, the fixed impeller is located on the air outlet side of the movable impeller, and the fixed impeller comprises a hub and a plurality of blades arranged on the periphery of the hub; and the extending end of the rotating shaft, which penetrates out of the shell, penetrates through the hub of the fixed impeller and is connected with the movable impeller.
The utility model also provides a dust catcher, the dust catcher include the shell with brushless dust catcher motor, brushless dust catcher motor install in the shell. The brushless dust collector motor comprises a shell, a movable impeller, a driving device and an electric control board. The casing comprises a casing body and an air duct shell sleeved at one end of the casing body and used for forming an air duct, wherein the air duct is suitable for air flow to enter and guide the air flow to blow out from an air duct outlet between the air duct shell and the outer wall of the casing body. The movable impeller is configured in the air duct shell and can rotate relative to the air duct shell. The driving device comprises a stator assembly fixed in the shell and a rotating shaft rotationally connected with the stator assembly, and the rotating shaft penetrates out of the shell to be connected with the movable impeller. The electric control plate is arranged in the shell and connected with the stator assembly, and the electric control plate is positioned on one side of the stator assembly, which is far away from the air duct.
According to the technical scheme of the utility model, through installing the automatically controlled board in the casing of brushless dust catcher motor, the automatically controlled board is located stator module keeps away from one side of wind channel, thereby make automatically controlled board with the wind channel export is separated, thereby when the brushless dust catcher motor is in the work of wet environment, if there is water on the object surface of waiting to clean in the wet environment, the brushless dust catcher motor will carry impurity such as water and dust and inhale the wind channel and form the air current that has steam and dust together, then blow off the air current that has steam and dust from the wind channel export again, the air current that has steam and dust that blows off enters into the dust collection chamber of dust catcher; in the cleaning process, the air flow with the water vapor does not pass through the inside of the shell, so that the air flow is not blown to the electric control board inside the shell, and the wet condition of the electric control board of the motor of the brushless dust collector can be reduced. Therefore, the utility model discloses a brushless dust catcher motor not only can be applicable to dry environment, also can be applicable to wet environment, has improved brushless dust catcher motor's suitability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is an exploded view of the motor of the brushless vacuum cleaner according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the motor of the brushless vacuum cleaner along the center;
FIG. 3 is a schematic view of the housing body, the electric control board and the housing cover of FIG. 2 after being disassembled;
FIG. 4 is an exploded view of the housing body, stator assembly, bracket and electrical control plate of FIG. 2;
FIG. 5 is a schematic structural view of the housing body of FIG. 2;
FIG. 6 is an enlarged view taken at A in FIG. 4;
FIG. 7 is a schematic view of the housing cover of FIG. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Brushless |
150 | |
| 101 | Casing (CN) | 151 | |
| 110 | |
152 | |
| 120 | |
160 | |
| 130 | |
161 | |
| 131 | |
162 | |
| 132 | |
163 | |
| 133 | |
164 | |
| 134 | |
165 | Connecting |
| 1341 | |
166 | |
| 1342 | |
167 | |
| 135 | |
170 | Moving |
| 136 | First |
180 | Fixed |
| 1361 | |
181 | |
| 137 | First |
182 | Blade |
| 138 | A first butt |
190 | |
| 139 | Second butt |
191 | |
| 140 | |
192 | |
| 141 | First connecting |
200 | |
| 142 | Second |
201 | Second connecting |
| 143 | Second |
202 | Third connecting |
| 1431 | Positioning |
203 | The fourth connecting |
| 144 | |
204 | |
| 145 | |
205 | Signal line interface |
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a brushless dust catcher motor, brushless dust catcher motor is used for driving the mobile device of air current as the dust catcher, and will treat that impurity such as dust and water on the cleaning object (like furniture such as ground or seat mattress) gets rid of. The brushless dust collector motor can reduce the occurrence of the wet condition of the electric control board, so that the brushless dust collector motor can be suitable for dry environment and wet environment, and the applicability of the brushless dust collector motor is improved.
Specifically, in the present specification, in the brushless cleaner motor 100, a direction parallel to the central axis of the brushless cleaner motor 100 is referred to as an axial direction, a direction perpendicular to the central axis of the brushless cleaner motor 100 is referred to as a radial direction, and a direction along an arc centered on the central axis of the brushless cleaner motor 100 is referred to as a circumferential direction.
Referring to fig. 1 to 3, in an embodiment of the brushless vacuum cleaner motor 100 of the present invention, the brushless vacuum cleaner motor 100 includes a housing 101, a movable impeller 170, a driving device 160, and an electric control board 200. The casing 101 includes a casing 110 and an air duct casing 120 sleeved at one end of the casing 110 to form an air duct 150, and the air duct 150 is suitable for allowing an air flow to enter and guiding the air flow to be blown out from an air duct outlet 152 between the air duct casing 120 and an outer wall of the casing 110. The impeller 170 is disposed inside the air duct case 120 and is rotatable with respect to the air duct case 120. The driving device 160 includes a stator assembly 161 fixed in the casing 110, and a rotating shaft 162 rotatably connected to the stator assembly 161, wherein the rotating shaft 162 penetrates out of the casing 110 to be connected to the impeller 170. Electric control board 200 is installed inside housing 110 and connected to stator assembly 161, and electric control board 200 is located on a side of stator assembly 161 away from air duct 150.
Specifically, an air inlet 151 is disposed on an end surface of one end of the air duct shell 120, the other end of the air duct shell 120 is disposed in an open manner, and the air duct shell 120 sleeves one end of the housing 110 through the open manner, so that an air duct 150 is formed between an inner wall surface of the air duct shell 120 and an outer wall surface of the housing 110, which is partially sleeved, and an air duct outlet 152 is formed between an open periphery of the air duct shell 120 and the outer wall surface of the housing 110.
When the brushless vacuum cleaner motor 100 operates, the driving device 160 of the brushless vacuum cleaner motor 100 drives the movable impeller 170 to rotate through the rotating shaft 162, the movable impeller 170 rotates to form an air flow, the air flow enters from the air inlet 151 of the air duct housing 120, in the process, the air flow sucks impurities such as dust and water on an object to be cleaned into the air duct 150, and then blows out the impurities from the air duct outlet 152 after passing through the air duct 150 (the dotted arrow in fig. 2 indicates the air flow flowing direction), and the blown air flow with the dust and the water enters into the dust collecting cavity of the vacuum cleaner, so that the function of cleaning the impurities on the object to be cleaned by the brushless vacuum cleaner motor 100 is realized.
The driving device 160 is commonly used in the art to drive the impeller 170 to rotate via the rotating shaft 162 during the operation of the brushless vacuum cleaner motor 100, and the following is briefly introduced here: the rotation shaft 162 passes through the center of the stator assembly 161 and is rotatable with respect to the stator assembly 161, one end of the rotation shaft 162 is disposed inside the housing 110 and connected to the magnet 166, and the other end of the rotation shaft 162 is disposed outside the housing 110 and connected to the impeller 170. The electric control board 200 is provided with a wire 204, the housing 110 is provided with a wire hole 144 through which the wire 204 passes, and the wire 204 passes through the wire hole 144 and is connected with an external power supply device. The electric control board 200 is electrically connected to the stator assembly 161, an external power supply device supplies power to the electric control board 200 to enable the stator assembly 161 to generate a magnetic field, the magnetic field drives the magnet 166 inside the housing 110 to rotate, the magnet 166 rotates to drive the rotating shaft 162 to rotate synchronously, the rotating shaft 162 rotates to drive the movable impeller 170 outside the housing 110 to rotate synchronously, and the movable impeller 170 rotates to form an air flow. The details will be described later, and specific reference will be made to the following description.
The technical scheme of the utility model, through installing automatically controlled board 200 in the casing 110 of brushless dust collector motor 100, automatically controlled board 200 is located stator module 161 one side of keeping away from wind channel 150, thereby make automatically controlled board 200 and wind channel export 152 separate, thereby when brushless dust collector motor 100 is in the work of wet environment, if there is water on the object surface to be cleaned in the wet environment, brushless dust collector motor 100 will carry impurity such as water and dust and inhale the wind channel 150 together and form the air current that has steam and dust, then blow off the air current that has steam and dust from wind channel export 152 again, the air current that has steam and dust that blows off gets into in the dust collection chamber of dust collector; during the cleaning process, the air flow with moisture does not pass through the inside of the housing 110, and thus does not blow onto the electronic control board 200 inside the housing 110, which can reduce the occurrence of the wet-out of the electronic control board 200 of the brushless vacuum cleaner motor 100. Therefore, the utility model discloses a brushless dust catcher motor 100 not only can be applicable to dry environment, also can be applicable to wet environment, has improved brushless dust catcher motor 100's suitability.
Referring to fig. 3 and 4, in an embodiment, considering that the electronic control board 200 is located inside the housing 110, it is not easy to disassemble and assemble the electronic control board 200 for maintenance or replacement. In view of this, optionally, the housing 110 includes a housing body 130 and a housing cover 140, the housing body 130 is disposed in an opening 133 facing a side facing away from the air duct housing 120, the housing cover 140 is detachably covered on the opening 133, and the electric control board 200 is installed inside the housing body 130 or the housing cover 140.
Specifically, the air duct shell 120 is sleeved at one end of the shell body 130, and the shell cover 140 is formed with a receiving cavity facing the open 133 side of the shell body 130, and the receiving cavity is suitable for installation of the power supply control board 200. In the installation process, the electric control board 200 is firstly disposed in the opening 133 of the housing body 130, and then the housing cover 140 is covered on the housing body 130, so that the electric control board 200 is disposed in the accommodating cavity of the housing cover 140. After the installation is finished, the electric control board 200 is positioned at the inner side of the shell cover 140, so that the situation that the electric control board 200 is wetted by water at the outer side of the shell cover 140 is avoided.
Further, it is considered that if the electronic control board 200 is not fixed in the receiving cavity of the housing cover 140, the electronic control board may shake in the receiving cavity to damage components on the electronic control board 200. Therefore, in order to avoid the problem, a screw connection column 134 may be protruded toward the opening 133 inside the housing body 130, and the housing cover 140 and the electric control board 200 are respectively provided with a first connection hole 141 and a second connection hole 201 corresponding to the screw connection column 134; the housing cover 140, the electric control board 200 and the housing body 130 are connected together by a connecting member passing through the first connecting hole 141, the second connecting hole 201 and the bolt connecting column 134 in sequence.
Specifically, the spiro union post 134 epirelief of shell body 130 is equipped with reference column 1341, is equipped with the fourth on the automatically controlled board 200 and connects hole 203, when the automatically controlled board 200 of installation, can be quick connect the fourth of automatically controlled board 200 to connect hole 203 to insert in the reference column 1341 of spiro union post 134, make automatically controlled board 200 can accurate location installation, improved the installation effectiveness. The bolt-on post 134 of the housing body 130 is provided with a mounting hole 1342, and the connecting member sequentially passes through the first connecting hole 141, the second connecting hole 201 and the mounting hole 1342 of the bolt-on post 134 to connect the housing cover 140, the electric control board 200 and the housing body 130 together. Therefore, in the process of fixing the housing cover 140 to the housing body 130, the electronic control board 200 is fixed in the accommodating cavity of the housing cover 140, and other components are not required to be additionally arranged to fix the electronic control board 200, thereby simplifying the fixing mode of the electronic control board 200.
Referring to fig. 5 to 7, in an embodiment, in order to ensure that the environment of the electric control board 200 of the brushless vacuum cleaner motor 100 is dry, optionally, the housing body 130 is formed with a first annular slot 136 at an outer periphery of the opening 133 thereof, and an inner periphery of the first annular slot 136 is formed with a first annular slot wall 137; the inner circumference of the housing cover 140 is configured with a second annular slot 142 for the first annular slot wall 137 to be inserted correspondingly, and the outer circumference of the second annular slot 142 is formed with a second annular slot wall 143 to be inserted correspondingly with the first annular slot 136.
Specifically, when the housing cover 140 covers the housing body 130, the second annular slot 142 of the housing cover 140 is inserted into the first annular slot 136 of the housing body 130, so that the cover 140 and the cover of the housing body 130 form a closed structure, and the second annular slot wall 143 of the housing cover 140 contacts the first annular slot wall 137 of the housing body 130. Optionally, in order to improve the sealing effect, a sealing adhesive is coated at a gap where the second annular groove wall 143 contacts the first annular groove wall 137, and the sealing adhesive is suitable for sealing a gap where the housing cover 140 and the housing body 130 are covered, so that an airflow with water vapor cannot enter the housing 110 from the gap where the housing cover 140 and the housing body 130 are covered, thereby ensuring that an environment where the electric control board 200 of the brushless dust collector motor 100 is located is dry, and reducing the occurrence of a wet condition of the electric control board 200.
Further, in order to accurately align and mount the housing cover 140 on the housing body 130, and avoid that the wire 204 of the electronic control board 200 cannot smoothly pass through the wire hole 144 of the housing cover 140 due to the mounting misalignment of the housing cover 140, the first annular groove wall 137 of the housing body 130 is provided with a positioning protrusion 1361, and the second annular groove wall 143 of the housing cover 140 is provided with a positioning recess 1431 corresponding to the positioning protrusion 1361. In the mounting process, the positioning protrusion 1361 of the housing body 130 is inserted into the positioning recess 1431 of the housing cover 140, so that the housing cover 140 can be precisely aligned and mounted on the housing body 130, and the wire 204 of the electronic control board 200 can smoothly pass through the wire hole 144 of the housing cover 140.
Referring to fig. 2 and fig. 3, according to any of the above embodiments, it is considered that the electronic control board 200 generates a large amount of heat during operation, and the heat may be accumulated inside the housing 110, which may cause the electronic control board 200 to be damaged due to a temperature increase. In view of this, in order to avoid this, optionally, the housing cover 140 is made of a metal material, and the electronic control board 200 is abutted against the inner wall surface of the housing cover 140, so that the electronic control board 200 radiates heat through the housing cover 140; and/or, the surface of the electronic control board 200 is configured with a heat conduction material layer, and the electronic control board 200 is attached to the inner wall surface of the housing cover 140 through the heat conduction material layer.
Specifically, because of the better heat conductivity of metal material, through pasting automatically controlled board 200 in the internal wall face of cap 140 to make the heat that automatically controlled board 200 produced directly to cap 140 conduction, and then by the outside transmission of cap 140, avoid the inside high temperature of casing 110 to damage automatically controlled board 200, and then realize the heat dissipation of automatically controlled board 200. The metal material may be aluminum alloy, magnesium alloy, or magnesium aluminum alloy, which is easy to machine and form, light in weight, low in cost, and suitable for manufacturing the case cover 140.
Further, in order to increase the heat dissipation speed of the electronic control board 200, a heat conductive material layer (not shown) configured on the surface of the electronic control board 200 is made of a material with a high heat conductivity (e.g., higher than air), and the heat conductive material layer may be made of any one of heat conductive silicone or heat conductive silicone grease. The heat conducting material layer can conduct heat generated by the electric control board 200 to the shell cover 140 quickly, and then the shell cover 140 radiates the heat outwards, so that quick heat radiation of the electric control board 200 is realized.
In addition, the electronic control board 200 is further provided with a signal line interface 205, the cover 140 is provided with an interface slot 145 adapted to the signal line interface 205, and the signal line interface 205 is embedded in the interface slot 145. The signal line interface 205 on the electronic control board 200 is arranged on one side close to the inner wall surface of the case cover 140, the interface slot 145 is arranged corresponding to the signal line interface 205, and the signal line interface 205 is electrically connected with an external signal line. The signal line of outside passes through signal line interface 205 to automatically controlled board 200 input signal, thereby the rotational speed of the signal process circuit control pivot 162 on automatically controlled board 200 of input changes the speed of air current, and the circuit of automatically controlled board 200 is the well-known technique, the utility model discloses do not explain further.
Referring to fig. 2, 5 and 6, in an embodiment, it is considered that the airflow blown out from the air duct outlet 152 is not easily diffused to the outside of the housing 110, and easily flows back into the air duct outlet 152 to cause airflow turbulence. In view of this, optionally, the housing body 130 includes a main body portion 131 having an opening 133, and an extension portion 132 extending from the main body portion 131 to the inside of the air duct housing 120; wherein, the extending portion 132 and the air duct shell 120 enclose to form an air duct 150; an air duct outlet 152 is formed between the outer wall surface of the main body 131 and the periphery of the air duct casing 120, and the main body 131 is outwardly disposed in a gradually expanding shape 135 from the position where the main body is connected with the extending portion 132, so that the air duct outlet 152 is in the gradually expanding shape 135.
Specifically, the outer wall surface of the extension portion 132 and the inner wall surface of the air duct shell 120 enclose to form the air duct 150, the air flow passes through the air duct 150 and is blown out from the air duct outlet 152, the divergent shape 135 of the air duct outlet 152 is beneficial to guiding the air flow to be blown out in the radial direction, the air flow blown out in the radial direction is easy to diffuse towards the outer side of the housing 110, the air flow is prevented from flowing back into the air duct outlet 152 after being blown out in the axial direction to cause air flow disorder, and the air flow blowing efficiency is improved.
Referring to fig. 1 and 4, according to any of the above embodiments, the stator assembly 161 includes a bobbin 163 fixed in the housing body 130, and a stator core 164 mounted on the bobbin 163, the bobbin 163 is configured with a connection terminal 165, the electric control board 200 is provided with a third connection hole 202 corresponding to the connection terminal 165, and the third connection hole 202 is suitable for being inserted into and connected to the connection terminal 165. Specifically, the bobbin 163 is provided with a first mounting portion 167, the case body 130 is provided with a first butting portion 138 adapted to the first mounting portion 167, and the first mounting portion 167 is fixedly connected to the first butting portion 138.
Specifically, the stator core 164 is mounted on one side of the bobbin 163, the other side of the bobbin 163 is configured with a connection terminal 165, the stator core 164 is disposed in a ring shape, a coil (not shown) is wound inside the stator core 164, the coil is connected to the connection terminal 165, and the connection terminal 165 is inserted into the third connection hole 202 of the electronic control board 200. The electric control board 200 is supplied with power from an external power supply device, and the electric control board 200 causes the coil wound around the stator core 164 to generate a magnetic field through the connection terminal 165.
Further, one end cover of pivot 162 is equipped with support 190, and support 190's circumference is equipped with second installation department 191, and the inner wall of shell body 130 is equipped with the second butt joint portion 139 with second installation department 191 adaptation, and second installation department 191 and second butt joint portion 139 fixed connection make support 190 be fixed in shell body 130 inside survey. The bearing 192 is embedded in the center of the bracket 190, the magnet 166 is arranged on one radial side of the bearing 192, the rotating shaft 162 passes through the magnet 166 and is fixedly connected with the bearing 192, and the rotating shaft 162 can rotate relative to the bracket 190. The electric control board 200 drives the magnet 166 to rotate through the magnetic field generated by the coil, and the magnet 166 rotates to drive the rotating shaft 162 to rotate synchronously.
Referring to fig. 1 and 2, in an embodiment, in order to smoothly blow out an air flow and prevent turbulence in the air duct 150, the brushless vacuum cleaner motor 100 further includes a fixed impeller 180 installed in the air duct housing 120, the fixed impeller 180 is located on an air outlet side of the fixed impeller 170, the fixed impeller 180 includes a hub 181 and a plurality of blades 182 disposed around the hub 181, and an extending end of the rotating shaft 162 extending out of the housing 110 penetrates through the hub 181 of the fixed impeller 180 and is connected to the fixed impeller 170.
Specifically, the plurality of blades 182 of the fixed impeller 180 are circumferentially arranged around the hub 181 at intervals, the hub 181 and the plurality of blades 182 are integrally formed, and the intervals of the blades 182 are gradually increased in the air outlet direction of the air flow. After the airflow formed by the rotation of the movable impeller 170 passes through the air duct 150, the airflow is blown out to the air duct outlet 152 through the plurality of blades 182 of the fixed impeller 180, the airflow is dispersed into a plurality of parts by the plurality of blades 182 arranged at intervals, so that the airflow can be blown out conveniently, and the intervals of the blades 182 can prevent the airflow from flowing back from small to large in the air outlet direction of the airflow, so that the airflow passing through the blades 182 can be blown out smoothly, and the disorder of the airflow in the air duct 150 is avoided.
The utility model also provides a dust catcher, the dust catcher includes shell and brushless dust catcher motor, and the brushless dust catcher motor is installed in the shell. The specific structure of the brushless dust collector motor refers to the above embodiments, and since the dust collector adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A brushless vacuum cleaner motor, comprising:
the air duct is suitable for air flow to enter and guides the air flow to blow out from an air duct outlet between the air duct shell and the outer wall of the shell;
the movable impeller is configured in the air duct shell and can rotate relative to the air duct shell; and
the driving device comprises a stator component fixed in the shell and a rotating shaft in rotating connection with the stator component, and the rotating shaft penetrates out of the shell to be connected with the movable impeller;
the electric control plate is arranged in the shell and connected with the stator assembly, and the electric control plate is positioned on one side of the stator assembly, which is far away from the air duct.
2. The motor for a brushless vacuum cleaner of claim 1, wherein the housing includes a housing body and a housing cover, the housing body is disposed to be open toward a side facing away from the air duct housing, the housing cover is detachably covered on the open, and the electric control board is installed inside the housing body or the housing cover.
3. The motor for a brushless vacuum cleaner as claimed in claim 2, wherein the housing body has a screw post protruding toward an opening thereof, and the housing cover and the electric control board have a first connection hole and a second connection hole corresponding to the screw post respectively; the shell cover, the electric control plate and the shell body are connected together by sequentially penetrating the first connecting hole, the second connecting hole and the screw connecting column through connecting pieces.
4. The brushless vacuum cleaner motor of claim 2, wherein the housing body is configured with a first annular slot at an open outer periphery thereof, an inner periphery of the first annular slot being formed with a first annular slot wall; the inner circumference of the shell cover is provided with a second annular slot for the corresponding insertion of the first annular slot wall, and the outer side edge of the second annular slot is provided with a second annular slot wall corresponding to the first annular slot wall.
5. The brushless vacuum cleaner motor of claim 2, wherein the housing cover is made of a metal material, and the electric control board is abutted against an inner wall surface of the housing cover so that the electric control board can dissipate heat through the housing cover; and/or a heat conduction material layer is formed on the surface of the electric control board, and the electric control board is attached to the inner wall surface of the shell cover through the heat conduction material layer.
6. The motor for a brushless vacuum cleaner as claimed in claim 5, wherein the electrical control board has a signal line interface, and the housing cover has an interface slot adapted to the signal line interface, and the signal line interface is embedded in the interface slot.
7. The brushless vacuum cleaner motor of claim 2, wherein the housing body includes a main body portion having the opening, and an extension portion extending from the main body portion to an interior of the duct housing; the extending part and the air duct shell enclose to form the air duct; the air duct outlet is formed between the outer wall surface of the main body part and the periphery of the air duct shell, and the main body part is arranged in a gradually expanding shape from the position where the main body part is connected with the extension part to the outside, so that the air duct outlet is in a gradually expanding shape.
8. The brushless vacuum cleaner motor as claimed in any one of claims 2 to 7, wherein the stator assembly includes a bobbin fixed in the housing body, and a stator core mounted to the bobbin, the bobbin being configured with a connection terminal, the electric control board having a third connection hole corresponding to the connection terminal, the third connection hole being adapted to be inserted into the connection terminal.
9. The brushless vacuum motor as claimed in any one of claims 1 to 7, further comprising a stationary impeller installed in the duct housing, the stationary impeller being located on an air outlet side of the movable impeller, the stationary impeller comprising a hub and a plurality of blades provided around the hub; and the extending end of the rotating shaft, which penetrates out of the shell, penetrates through the hub of the fixed impeller and is connected with the movable impeller.
10. A vacuum cleaner comprising a housing and a brushless cleaner motor as claimed in any one of claims 1 to 9, the brushless cleaner motor being mounted in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225731.7U CN211579812U (en) | 2020-02-27 | 2020-02-27 | Brushless dust catcher motor and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020225731.7U CN211579812U (en) | 2020-02-27 | 2020-02-27 | Brushless dust catcher motor and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579812U true CN211579812U (en) | 2020-09-25 |
Family
ID=72526018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020225731.7U Active CN211579812U (en) | 2020-02-27 | 2020-02-27 | Brushless dust catcher motor and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579812U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876232A (en) * | 2021-10-22 | 2022-01-04 | 广东德尔玛科技股份有限公司 | Fan assembly, dust collector and cleaning device |
| CN115733327A (en) * | 2022-12-21 | 2023-03-03 | 湖南国梦科技有限公司 | High-rotating-speed brushless dust collector motor |
| WO2023237106A1 (en) * | 2022-06-10 | 2023-12-14 | 莱克电气股份有限公司 | Fully-sealed brushless motor for dry and wet applications, protective structure for motor, and installation method |
-
2020
- 2020-02-27 CN CN202020225731.7U patent/CN211579812U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876232A (en) * | 2021-10-22 | 2022-01-04 | 广东德尔玛科技股份有限公司 | Fan assembly, dust collector and cleaning device |
| WO2023237106A1 (en) * | 2022-06-10 | 2023-12-14 | 莱克电气股份有限公司 | Fully-sealed brushless motor for dry and wet applications, protective structure for motor, and installation method |
| CN115733327A (en) * | 2022-12-21 | 2023-03-03 | 湖南国梦科技有限公司 | High-rotating-speed brushless dust collector motor |
| CN115733327B (en) * | 2022-12-21 | 2023-09-12 | 湖南国梦科技有限公司 | High-rotation-speed brushless dust collector motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211579812U (en) | Brushless dust catcher motor and dust catcher | |
| CN201730841U (en) | Fan, hand drier and dust collector using same | |
| JP6011914B2 (en) | Centrifugal fan | |
| JP4631136B2 (en) | Electric blower and electric vacuum cleaner using the same | |
| CN102684394A (en) | Motor assembly | |
| CN110249137B (en) | Fan blower | |
| EP3940928A1 (en) | Motor, electric blower, vacuum cleaner, and hand dryer | |
| CN113494465A (en) | Wet or dry dust catcher motor and dust catcher | |
| JP2021085399A (en) | Blower and cleaner | |
| CN217761362U (en) | Fan and electrical equipment | |
| CN217354805U (en) | Fan assembly and dust collector | |
| CN114766803A (en) | Air outlet structure and blower | |
| CN215979999U (en) | Fan structure | |
| KR200356782Y1 (en) | Ventilation structure of motor for vacuum cleaner | |
| JP2022081862A (en) | Electric blower and vacuum cleaner including the same | |
| CN215409276U (en) | Wet or dry dust catcher motor and dust catcher | |
| CN216016561U (en) | Rotor subassembly, fan and have its machine of sweeping floor | |
| JP4795803B2 (en) | Electric blower | |
| CN205453368U (en) | Miniature digital air intake motor | |
| CN215719650U (en) | Special large-air-volume fan for air purifier | |
| CN219671197U (en) | Hair drier | |
| CN110224518A (en) | A kind of fan motor and centrifugal blower | |
| CN212486232U (en) | High-rotating-speed brushless dust collector motor | |
| CN216086309U (en) | Motor housing and high-speed motor | |
| CN210867305U (en) | Electric fan and dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |