CN209818345U - Cross-flow fan capable of monitoring rotating speed - Google Patents
Cross-flow fan capable of monitoring rotating speed Download PDFInfo
- Publication number
- CN209818345U CN209818345U CN201920041017.XU CN201920041017U CN209818345U CN 209818345 U CN209818345 U CN 209818345U CN 201920041017 U CN201920041017 U CN 201920041017U CN 209818345 U CN209818345 U CN 209818345U
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- Prior art keywords
- motor shaft
- fan
- fixedly connected
- wall
- stator core
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 230000004044 response Effects 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 229910052742 iron Inorganic materials 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a cross-flow fan technical field just discloses a can monitor cross-flow fan of rotational speed, including the wind channel, the inside in wind channel is provided with the wind wheel, the left side fixedly connected with fan mounting panel in wind channel, stabilizer blade before the left side fixedly connected with fan of fan mounting panel, the left side of wind wheel is provided with the motor shaft, the stabilizer blade before wind channel, fan mounting panel and the fan is run through in proper order to the left one end of motor shaft, the outside of stabilizer blade before the left one end of motor shaft extends to the fan. This cross-flow fan of rotational speed can monitor through increasing and installing magnet motor shaft tail end, simultaneously at motor shaft tail end position installation hall response hou gai, contains terminal plug-in components and hall sensing element in the hall response hou gai, through hall response principle, realizes the real time monitoring to the motor rotation, and the device compact structure, the installation of being convenient for, and the frock is simple, and the signal is stable, has made things convenient for the user to use.
Description
Technical Field
The utility model relates to a cross-flow fan technical field specifically is a cross-flow fan of monitorable rotational speed.
Background
The cross-flow fan mainly comprises an impeller, an air duct and a motor, wherein the impeller is made of aluminum alloy or engineering plastic, the aluminum alloy impeller is high in strength, light in weight and high-temperature resistant and can keep long-term stable operation without deformation, the plastic impeller is formed by injection molding of a mold and ultrasonic welding, the cross-flow fan is generally used in occasions with low rotating speed, the diameter is large, the air duct is formed by stamping a metal sheet and can also be cast by plastic or aluminum alloy, the casing is in a streamline design, the loss of air flow can be effectively reduced, and the working efficiency of the fan is greatly improved.
However, the cross-flow fan is generally used as an internal component of an electrical product, and under the condition of realizing heat dissipation of the product, the running condition of the motor cannot be visually seen in real time due to the fact that the general installation position of the cross-flow fan is inside the electrical product, so that the cross-flow fan capable of monitoring the rotating speed is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a can monitor cross-flow fan of rotational speed possesses the advantage that can monitor the rotational speed, has solved cross-flow fan and has generally used as electrical product internal component, under the realization is to the radiating circumstances of product, because the general mounted position of cross-flow fan is in electrical product's inside, can't be real-time audio-visual sees the problem of motor behavior.
(II) technical scheme
For the purpose that realizes above-mentioned monitorable rotational speed, the utility model provides a following technical scheme: a cross-flow fan capable of monitoring rotating speed comprises an air duct, wherein a wind wheel is arranged inside the air duct, a fan mounting plate is fixedly connected to the left side of the air duct, a fan front supporting leg is fixedly connected to the left side of the fan mounting plate, a motor shaft is arranged on the left side of the wind wheel, the left end of the motor shaft sequentially penetrates through the air duct, the fan mounting plate and the fan front supporting leg, the left end of the motor shaft extends to the outside of the fan front supporting leg, a rotor is fixedly connected to the outer wall of the motor shaft, a stator core iron is arranged on the left side of the fan front supporting leg, a coil winding is fixedly connected to the bottom of the stator core iron, two ball bearings are fixedly connected to the outer wall of the motor shaft, two silica gel bearings are fixedly connected to the outer wall of the motor shaft, a heat dissipation rear, two the one end on screw rod right side all runs through stabilizer blade before heat dissipation after-poppet, stator core iron and the fan in proper order, two the outside of stabilizer blade before the fan is all extended to the one end on screw rod right side, two the outer wall of screw rod all with preceding stabilizer blade threaded connection of fan, the left one end of motor shaft runs through and extends to the outside of heat dissipation after-poppet, two ball bearing's outer wall all with heat dissipation after-poppet fixed connection, the left side fixedly connected with hall response back lid of heat dissipation after-poppet, the inside of hall response back lid is provided with magnet, the inner wall and the motor shaft fixed connection of magnet, the right side fixed mounting of hall response back lid has hall sensing element.
Preferably, a gap exists between the Hall sensing element and the magnet, the top of the Hall sensing element is located at the bottom of the magnet, and the right side of the Hall sensing rear cover is fixedly provided with the terminal plug-in unit.
Preferably, the rotor is located inside the stator core iron, and a gap exists between the inner wall of the stator core iron and the rotor.
Preferably, the draw-in groove has been seted up in the left side of wind wheel, the left inner wall sliding connection in wind channel has the fixture block, the inner wall and the fixture block joint of draw-in groove, the left side and the motor shaft fixed connection of fixture block.
Preferably, a gap exists between the outer wall of the motor shaft and the mounting plate, and a gap exists between the outer wall of the motor shaft and the front support leg of the fan.
Preferably, the center of the air duct and the center of the motor shaft are located on the same horizontal line, and the center of the air duct and the center of the stator core iron are located on the same horizontal line.
(III) advantageous effects
Compared with the prior art, the utility model provides a can monitor cross-flow fan of rotational speed possesses following beneficial effect:
this cross-flow fan of rotational speed can monitor through increasing and installing magnet motor shaft tail end, simultaneously at motor shaft tail end position installation hall response hou gai, contains terminal plug-in components and hall sensing element in the hall response hou gai, through hall response principle, realizes the real time monitoring to the motor rotation, and the device compact structure, the installation of being convenient for, and the frock is simple, and the signal is stable, has made things convenient for the user to use.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a sectional view of the present invention.
In the figure: the wind power generation device comprises an air duct 1, a wind wheel 2, a fan mounting plate 3, a fan front supporting leg 4, a motor shaft 5, a rotor 6, a stator core iron 7, a coil winding 8, a ball bearing 9, a silica gel bearing 10, a heat dissipation rear support 11, a screw rod 12, a Hall sensing rear cover 13, a magnet 14 and a Hall sensing element 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a cross-flow fan capable of monitoring a rotating speed comprises an air duct 1, the center of the air duct 1 and the center of a motor shaft 5 are located on the same horizontal line, the center of the air duct 1 and the center of a stator core iron 7 are located on the same horizontal line, a wind wheel 2 is arranged inside the air duct 1, a clamping groove is formed in the left side of the wind wheel 2, a clamping block is connected to the inner wall of the left side of the air duct 1 in a sliding manner, the inner wall of the clamping groove is clamped with the clamping block, the left side of the clamping block is fixedly connected with the motor shaft 5, a fan mounting plate 3 is fixedly connected to the left side of the air duct 1, a fan front supporting leg 4 is fixedly connected to the left side of the fan mounting plate 3, the motor shaft 5 is arranged on the left side of the wind wheel 2, a magnet 14 is additionally arranged, the device realizes real-time monitoring of motor rotation through a Hall induction principle, has compact structure, convenient installation, simple tooling and stable signal, is convenient for a user to use, a gap exists between the outer wall of a motor shaft 5 and a mounting plate 3, a gap exists between the outer wall of the motor shaft 5 and a fan front supporting leg 4, one end of the left side of the motor shaft 5 sequentially penetrates through an air duct 1, the fan mounting plate 3 and the fan front supporting leg 4, one end of the left side of the motor shaft 5 extends to the outside of the fan front supporting leg 4, the outer wall of the motor shaft 5 is fixedly connected with a rotor 6, the rotor 6 is positioned inside a stator core iron 7, a gap exists between the inner wall of the stator core iron 7 and the rotor 6, the left side of the fan front supporting leg 4 is provided with a stator core iron 7, the bottom of the stator core iron 7 is fixedly connected with a, the outer wall of a motor shaft 5 is fixedly connected with two silica gel bearings 10, the left side of a stator core iron 7 is provided with a heat dissipation rear support 11, the left side of the heat dissipation rear support 11 is provided with two screw rods 12, one ends of the right sides of the two screw rods 12 sequentially penetrate through the heat dissipation rear support 11, the stator core iron 7 and a fan front support leg 4, one ends of the right sides of the two screw rods 12 extend to the outside of the fan front support leg 4, the outer walls of the two screw rods 12 are in threaded connection with the fan front support leg 4, one end of the left side of the motor shaft 5 penetrates through and extends to the outside of the heat dissipation rear support 11, the outer walls of the two ball bearings 9 are fixedly connected with the heat dissipation rear support 11, the left side of the heat dissipation rear support 11 is fixedly connected with a Hall sensing rear cover 13, a magnet 14 is arranged inside the Hall sensing rear cover 13, the inner, there is the clearance between hall sensing element 15 and magnet 14, and the top of hall sensing element 15 is located the bottom of magnet 14, and the right side fixed mounting of lid 13 has the terminal plug-in components behind the hall response.
When using, through increasing and installing magnet 14 to motor shaft 5 tail end, cover 13 behind the 5 tail end position installation hall response of motor shaft simultaneously, contain terminal plug-in components and hall sensing element 15 in the hall response back cover 13, through hall response principle, realize the real time monitoring to the motor rotation, the device compact structure, the installation of being convenient for, and the frock is simple, and the signal is stable, has made things convenient for the user to use.
In conclusion, according to the cross-flow fan capable of monitoring the rotating speed, the magnet 14 is additionally arranged at the tail end of the motor shaft 5, the Hall sensing rear cover 13 is arranged at the tail end of the motor shaft 5, the Hall sensing rear cover 13 comprises the terminal plug-in and the Hall sensing element 15, and the rotation of the motor is monitored in real time through the Hall sensing principle.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A cross-flow fan capable of monitoring rotating speed comprises an air duct (1), and is characterized in that: the wind wheel (2) is arranged inside the air duct (1), the fan mounting plate (3) is fixedly connected to the left side of the air duct (1), the fan front supporting leg (4) is fixedly connected to the left side of the fan mounting plate (3), the motor shaft (5) is arranged on the left side of the wind wheel (2), the left end of the motor shaft (5) sequentially penetrates through the air duct (1), the fan mounting plate (3) and the fan front supporting leg (4), the left end of the motor shaft (5) extends to the outside of the fan front supporting leg (4), the outer wall of the motor shaft (5) is fixedly connected with the rotor (6), the stator core iron (7) is arranged on the left side of the fan front supporting leg (4), the solenoid winding (8) is fixedly connected to the bottom of the stator core iron (7), and the outer wall of the motor shaft (5) is, the outer wall of the motor shaft (5) is fixedly connected with two silica gel bearings (10), the left side of the stator core iron (7) is provided with a heat dissipation rear support (11), the left side of the heat dissipation rear support (11) is provided with two screw rods (12), one ends of the right sides of the two screw rods (12) sequentially penetrate through the heat dissipation rear support (11), the stator core iron (7) and the front fan supporting leg (4), one ends of the right sides of the two screw rods (12) extend to the outside of the front fan supporting leg (4), the outer walls of the two screw rods (12) are in threaded connection with the front fan supporting leg (4), one end of the left side of the motor shaft (5) penetrates through and extends to the outside of the heat dissipation rear support (11), the outer walls of the two ball bearings (9) are fixedly connected with the heat dissipation rear support (11), the left side of the heat dissipation rear support (11) is fixedly connected with, the inner part of the Hall sensing rear cover (13) is provided with a magnet (14), the inner wall of the magnet (14) is fixedly connected with the motor shaft (5), and the right side of the Hall sensing rear cover (13) is fixedly provided with a Hall sensing element (15).
2. A crossflow blower capable of monitoring rotational speed as claimed in claim 1 wherein: there is the clearance between hall sensing element (15) and magnet (14), and the top of hall sensing element (15) is located the bottom of magnet (14), the right side fixed mounting of lid (13) has the terminal plug-in components behind the hall response.
3. A crossflow blower capable of monitoring rotational speed as claimed in claim 1 wherein: the rotor (6) is positioned inside the stator core iron (7), and a gap exists between the inner wall of the stator core iron (7) and the rotor (6).
4. A crossflow blower capable of monitoring rotational speed as claimed in claim 1 wherein: the wind wheel is characterized in that a clamping groove is formed in the left side of the wind wheel (2), a clamping block is connected to the inner wall of the left side of the wind channel (1) in a sliding mode, the inner wall of the clamping groove is connected with the clamping block in a clamping mode, and the left side of the clamping block is fixedly connected with the motor shaft (5).
5. A crossflow blower capable of monitoring rotational speed as claimed in claim 1 wherein: there is the clearance between the outer wall of motor shaft (5) and mounting panel (3), has the clearance between stabilizer blade (4) before the outer wall of motor shaft (5) and the fan.
6. A crossflow blower capable of monitoring rotational speed as claimed in claim 1 wherein: the center of the air duct (1) and the center of the motor shaft (5) are located on the same horizontal line, and the center of the air duct (1) and the center of the stator core iron (7) are located on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041017.XU CN209818345U (en) | 2019-01-10 | 2019-01-10 | Cross-flow fan capable of monitoring rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920041017.XU CN209818345U (en) | 2019-01-10 | 2019-01-10 | Cross-flow fan capable of monitoring rotating speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818345U true CN209818345U (en) | 2019-12-20 |
Family
ID=68870934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920041017.XU Expired - Fee Related CN209818345U (en) | 2019-01-10 | 2019-01-10 | Cross-flow fan capable of monitoring rotating speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818345U (en) |
-
2019
- 2019-01-10 CN CN201920041017.XU patent/CN209818345U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |