CN215566740U - Electric fan with anti-pinch function - Google Patents
Electric fan with anti-pinch function Download PDFInfo
- Publication number
- CN215566740U CN215566740U CN202120592936.3U CN202120592936U CN215566740U CN 215566740 U CN215566740 U CN 215566740U CN 202120592936 U CN202120592936 U CN 202120592936U CN 215566740 U CN215566740 U CN 215566740U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- fan
- pinch
- central controller
- protective cover
- 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.)
- Expired - Fee Related
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- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 230000006378 damage Effects 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 claims abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model discloses an electric fan with an anti-pinch function, which comprises fan blades, a motor, a protective cover, a locking cover and an anti-pinch mechanism, wherein the fan blades are sleeved on a rotating shaft of the motor, the protective cover is arranged on the rotating shaft, the protective cover is in a static state when the rotating shaft rotates and is fixed through the locking cover, and the anti-pinch mechanism is arranged on the protective cover. According to the utility model, by arranging the infrared transmitter and the infrared receiver, when the infrared receiver cannot receive a signal of the infrared transmitter, the central controller sends a signal to the power circuit to cut off the power of the motor, and simultaneously sends a signal to the brake controller, so that the speed of the rotating shaft is stopped instantaneously under the action of the brake pad to prevent clamping damage; the utility model has the advantages of simple structure, stable performance and longer service life.
Description
Technical Field
The utility model relates to the technical field of electric fans, in particular to an electric fan with an anti-pinch function.
Background
At present, in southern cities, most families commonly use electric fans, when the electric fans are used, objects are usually touched into the electric fans carelessly and hit the fan blades, so that living fragments are pinched and flying out to hurt people, and the danger coefficient is larger when the electric fans are used.
Disclosure of Invention
The utility model aims to solve the problems and provide an electric fan with an anti-pinch function.
The utility model realizes the purpose through the following technical scheme:
the electric fan with the anti-pinch function comprises fan blades, a motor, a protective cover, a locking cover and an anti-pinch mechanism, wherein the fan blades are sleeved on a rotating shaft of the motor, the protective cover is arranged on the rotating shaft, the rotating shaft is in a static state when rotating, the protective cover is fixed through the locking cover, and the anti-pinch mechanism is arranged on the protective cover.
Preferably, the anti-pinch mechanism comprises an infrared receiver, an infrared emitter and a central controller, the infrared receiver is mounted on the outer edge of the protective cover, the infrared emitter is mounted on the outer edge of the locking cover, and when the infrared rays between the infrared receiver and the infrared emitter are cut off by fingers or objects, the infrared receiver sends a signal to the central controller to instruct the central controller to control the fan.
Preferably, the anti-pinch mechanism further comprises a brake controller and a brake pad central controller, the brake pad is sleeved on the rotating shaft and locked on the rotating shaft through the locking cover, a signal output end of the central controller is respectively connected with signal input ends of the brake controller and a power circuit, the brake controller controls the brake pad to decelerate and stop the rotating shaft, and the power circuit controls power supply start and stop of the motor.
Preferably, the central controller sends two paths of signals, one path of signal is sent to a power circuit of the fan to instruct the power circuit to cut off the power supply of the fan, and the other path of signal instructs the brake controller to control the brake pad to lock the rotating shaft, so that the fan cannot rotate, and clamping damage is prevented.
Preferably, the model number of the central controller is 1215C, and the model number of the brake controller is E5-2620.
The utility model has the beneficial effects that:
according to the utility model, by arranging the infrared transmitter and the infrared receiver, when the infrared receiver cannot receive a signal of the infrared transmitter, the central controller sends a signal to the power circuit to cut off the power of the motor, and simultaneously sends a signal to the brake controller, so that the speed of the rotating shaft is stopped instantaneously under the action of the brake pad to prevent clamping damage; the utility model has the advantages of simple structure, stable performance and longer service life.
Drawings
FIG. 1 is a schematic view of an electric fan with anti-pinch function according to the present invention;
FIG. 2 is a schematic structural view of the anti-pinch mechanism of the present invention;
FIG. 3 is a schematic view of a system configuration of the anti-pinch mechanism of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2: the utility model provides an electric fan with prevent pressing from both sides function, includes fan blade 2, motor, protection casing 1, locking lid 4 and prevents pressing from both sides the mechanism, and fan blade 2 suit is on the pivot 3 of motor, and protection casing 1 installs on pivot 3, and protection casing 1 is in quiescent condition when pivot 3 is rotatory, and is fixed through locking lid 4, prevents pressing from both sides the mechanism and installs on protection casing 1.
As shown in fig. 2, the anti-pinch mechanism includes an infrared receiver 6 and an infrared emitter 5, the infrared receiver 6 is installed on the outer edge of the protection cover 1, and the infrared emitter 5 is installed on the outer edge of the locking cover 4.
As shown in fig. 1, 2 and 3, the anti-pinch mechanism further comprises a brake controller, a brake pad 7 and a central controller, wherein the brake pad 7 is sleeved on the rotating shaft 3 and locked on the rotating shaft 3 through a locking cover 4, an infrared emitter 5 emits infrared rays, an infrared receiver 6 receives the infrared rays, a signal output end of the infrared receiver 6 is connected with a signal input end of the central controller, a signal output end of the central controller is respectively connected with the brake controller and a signal input end of a power circuit, the brake controller controls the brake pad 7 to decelerate and stop the rotating shaft 2, the power circuit controls the power supply of the motor to start and stop, the central controller sends two paths of signals, one path of signal is sent to the power circuit of the fan, an instruction is given to cut off the power of the fan, the other path of brake controller controls the brake pad 7 to lock the rotating shaft 2, so that the fan cannot rotate, and pinch is prevented, wherein the model of the central controller is 1215C, the model number of the brake controller is E5-2620.
The working principle of the utility model is as follows:
when the electric fan is used, the fan runs at a high speed, the infrared receiver 6 is installed on the outer edge of the protective cover 1, the infrared transmitter 5 is installed on the outer edge of the locking cover 4, when fingers or other objects cut off infrared rays between the infrared receiver 6 and the infrared transmitter 5, the infrared receiver 6 sends signals to the central controller, the central controller sends two paths of signals, one path of signals is sent to a power circuit of the fan, a command is sent to cut off the power of the fan, and the other path of signals instructs the brake controller to control the brake pad 7 to lock the rotating shaft 2, so that the fan cannot rotate, and clamping injury is prevented.
In conclusion, by arranging the infrared transmitter and the infrared receiver, when the infrared receiver cannot receive the signal of the infrared transmitter, the central controller sends a signal to the power circuit to cut off the power of the motor, and simultaneously sends a signal to the brake controller, so that the speed of the rotating shaft is stopped instantly under the action of the brake pad to prevent clamping damage; the utility model has the advantages of simple structure, stable performance and longer service life.
As will be apparent to those skilled in the art, many modifications can be made to the utility model without departing from the spirit and scope thereof, and it is intended that the present invention cover all modifications and equivalents of the embodiments of the utility model covered by the appended claims.
Claims (5)
1. The electric fan with the anti-pinch function is characterized by comprising fan blades, a motor, a protective cover, a locking cover and an anti-pinch mechanism, wherein the fan blades are sleeved on a rotating shaft of the motor, the protective cover is arranged on the rotating shaft, the protective cover is in a static state when the rotating shaft rotates, the protective cover is fixed through the locking cover, and the anti-pinch mechanism is arranged on the protective cover.
2. The electric fan as claimed in claim 1, wherein the anti-pinch mechanism comprises an infrared receiver, an infrared transmitter and a central controller, the infrared receiver is installed on the outer edge of the protection cover, the infrared transmitter is installed on the outer edge of the locking cover, and when the infrared rays between the infrared receiver and the infrared transmitter are cut off by fingers or objects, the infrared receiver sends a signal to the central controller to instruct the central controller to control the fan.
3. The electric fan with the anti-pinch function according to claim 2, characterized in that the anti-pinch mechanism further comprises a brake controller and a brake pad central controller, the brake pad is sleeved on the rotating shaft and locked on the rotating shaft through the locking cover, a signal output end of the central controller is respectively connected with signal input ends of the brake controller and a power circuit, the brake controller controls the brake pad to decelerate and stop the rotating shaft, and the power circuit controls the power supply of the motor to start and stop.
4. The electric fan with the anti-pinch function as claimed in claim 3, wherein the central controller sends two signals, one signal is sent to a power circuit of the fan to instruct the power circuit to cut off the power supply of the fan, and the other signal instructs the brake controller to control the brake pad to lock the rotating shaft, so that the fan cannot rotate, and pinch injuries are prevented.
5. The electric fan with anti-pinch function as claimed in claim 4, wherein the central controller is type 1215C, and the brake controller is type E5-2620.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592936.3U CN215566740U (en) | 2021-03-24 | 2021-03-24 | Electric fan with anti-pinch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592936.3U CN215566740U (en) | 2021-03-24 | 2021-03-24 | Electric fan with anti-pinch function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566740U true CN215566740U (en) | 2022-01-18 |
Family
ID=79854626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120592936.3U Expired - Fee Related CN215566740U (en) | 2021-03-24 | 2021-03-24 | Electric fan with anti-pinch function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566740U (en) |
-
2021
- 2021-03-24 CN CN202120592936.3U patent/CN215566740U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |