CN112377443A - Obstruction avoiding device for ventilator of air outlet of fresh air machine of air purification equipment - Google Patents
Obstruction avoiding device for ventilator of air outlet of fresh air machine of air purification equipment Download PDFInfo
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- CN112377443A CN112377443A CN202011251351.1A CN202011251351A CN112377443A CN 112377443 A CN112377443 A CN 112377443A CN 202011251351 A CN202011251351 A CN 202011251351A CN 112377443 A CN112377443 A CN 112377443A
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- ventilator
- fan
- state control
- power module
- control module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A device for avoiding blockage of a ventilator at an air outlet of a fresh air fan of air purification equipment relates to the technical field of fresh air fans, and comprises a ventilator operation state control module and a ventilator power module, wherein the ventilator operation state control module and the ventilator power module are started and started through a ventilator switch, and the ventilator power module drives the ventilator to rotate forwards; the ventilation fan running state control module is used for monitoring the running state of the ventilation fan and acquiring running data of the ventilation fan; and determining that the power module of the ventilating fan needs not to make the ventilating fan reversely rotate and return to the initial rotation origin point according to whether the ventilating fan normally operates or not. Compared with the prior art, the problem of spontaneous combustion caused by continuous rotation of the motor after the blades are blocked can be prevented, the safety of the fresh air machine and the ventilation fan in use is improved, and the requirements of modern electrical appliances on safety are better met.
Description
Technical Field
The invention relates to the technical field of new fans, in particular to a blockage avoiding device for a ventilation fan at an air outlet of a new fan of air purification equipment.
Background
The fresh air machine is mainly used for purifying indoor air, promoting indoor air circulation, exchanging outside fresh air with the indoor air after being disinfected and filtered, and ensuring cleanness of the indoor air. The fresh air machine generally needs to be matched with an air outlet and a ventilation fan for use, so that the ventilation efficiency can be improved.
Exhaust ducts and fan blades are arranged outside most of ventilation fans in the prior art, and the ventilation and air exchange performances of the ventilation fans are generally kept in the open air, so that sundries are likely to enter the ventilation fans to block the rotation of the ventilation fans in the using process. The exhaust fan is generally arranged at a high place, so that the obstruction caused by entering sundries cannot be found in time, the ventilation fan is still in a working state, the fan blades cannot rotate, but the motor is still in a standby rotating state, and the internal temperature is easily increased to cause spontaneous combustion.
In order to solve the above problems, the inventor proposes a device for avoiding the obstruction of a ventilator of an exhaust outlet of a fresh air fan of an air purification device, which has the advantage of automatically avoiding the shutdown alarm when the obstruction is encountered.
Disclosure of Invention
In order to realize the purpose of automatically avoiding shutdown alarm when meeting the obstacle, the invention provides the following technical scheme:
a blockage avoiding method for a ventilator of an air outlet of a fresh air fan of air purification equipment comprises the following steps:
the ventilator operation state control module and the ventilator power module are started and started through a ventilator switch, and the ventilator power module drives the ventilator to rotate forwards;
the ventilation fan running state control module is used for monitoring the running state of the ventilation fan and acquiring running data of the ventilation fan;
determining that the power module of the ventilating fan needs not to make the ventilating fan reversely rotate and return to the initial rotation origin point according to whether the ventilating fan normally operates or not;
when the ventilator needs to be reversely rotated to return to the initial rotation original point, the obstacle detection module is started, and meanwhile, the ventilator power module drives the ventilator to rotate forwards again;
and detecting whether an obstacle exists, if so, closing the ventilator, and avoiding the obstacle when the obstacle exists, otherwise, normally operating a power module of the ventilator, and normally operating the ventilator.
In one embodiment, determining whether the power module of the ventilator is required to return to the initial rotation origin without reversing the ventilator according to whether the ventilator is operating normally comprises:
s1, monitoring the state of the ventilator by using the ventilator operation state control module, acquiring data, and judging whether the operation state of the ventilator is normal;
and S2, if the running state is not normal, judging that the power module of the ventilator needs to be reversed to the initial rotation origin, otherwise, not needing.
In one embodiment, when the ventilator needs to be reversely rotated to return to the initial rotation origin, the obstacle detection module is started, and the ventilator power module drives the ventilator to rotate forward again, including:
s1, after the ventilator reversely rotates to return to the initial rotation original point, the ventilator power module rotates forwards again;
s2, when scavenger fan power module corotation, barrier detection module synchronous start, it is concrete, barrier alarm device includes:
the sound signal alarm device can send out an alarm by utilizing a preset sound signal after the ventilation fan state control module sends out a signal, so that the transmission efficiency of alarm information is improved;
the optical signal alarm device can send out photoelectric alarm after the ventilation fan state control module sends out signals, so that the signal visibility rate in the environment with insufficient illumination is improved.
In one embodiment, whether an obstacle exists is detected, if so, the ventilator is turned off and is stopped and evaded when being stopped, and if not, the power module of the ventilator normally operates, and the ventilator normally operates, including:
s1, an obstacle detection module starts to detect whether an obstacle exists in the moving track of the ventilating fan after the ventilating fan is started to rotate forwards for the second time;
s2, the ventilator operation state control module receives and analyzes the information sent by the obstacle detection module, and judges whether the ventilator operates normally at the moment;
and S3, the ventilator running state control module sends corresponding instructions to the obstacle alarm device and the ventilator power module according to the analysis result.
The embodiment of the invention also provides a blockage avoiding device for a ventilator of an air outlet of a fresh air fan of air purification equipment, which comprises:
the ventilator switch is used for controlling the whole circuit of the ventilator resistance avoiding device and is electrically connected with the ventilator operation state control module and the ventilator power module;
the ventilator power module is mainly used as a power part of the ventilator, provides driving force for normal use of the ventilator, and can operate in a forward rotation mode and a reverse rotation mode;
the ventilator operation state control module is mainly used for monitoring the operation state of the ventilator, judging whether the operation of the ventilator is normalized or not and controlling the reverse rotation of the ventilator power module; the obstacle detection module can receive and analyze signals of the obstacle detection module, and is electrically connected with the obstacle alarm device and the ventilator power device;
the obstacle detection module is mainly used for detecting whether an obstacle exists on the operating path of the ventilating fan and transmitting the detected data to the operating state control module of the ventilating fan;
and the barrier alarm device can receive the signal of the ventilation fan operation state control module, send out sound and light alarm and remind an operator of the operation condition of the ventilation fan.
In one embodiment, the obstacle detection module includes:
the air outlet obstacle detection device is used for detecting obstacles on the wall of the air outlet pipe of the air purification equipment, is also electrically connected with the ventilator operation state control module, and can send and receive data signals to the ventilator operation state control module;
the obstacle detection device for the operating path of the ventilation fan is used for detecting obstacles possibly existing in the operating path of the ventilation fan.
In one embodiment, the obstacle warning device includes:
the sound signal alarm device can send out an alarm by utilizing a preset sound signal after the ventilation fan state control module sends out a signal, so that the transmission efficiency of alarm information is improved;
the optical signal alarm device can send out photoelectric alarm after the ventilation fan state control module sends out signals, so that the signal visibility rate in the environment with insufficient illumination is improved.
Advantageous effects
Compared with the prior art and products, the invention has the beneficial effects that:
1. compared with the prior art, the problem of spontaneous combustion caused by continuous rotation of the motor after the blades are blocked can be prevented, the safety of the fresh air machine and the ventilation fan in use is improved, and the requirements of modern electrical appliances on safety are better met.
2. The air exhaust fan blockage avoiding device of the fresh air fan of the air purification equipment can automatically rotate reversely once after being blocked, the barriers fall off by utilizing the increase of the clearance during reverse rotation, and can continue to rotate forwards after reverse rotation, and if the barriers fall off, the continuous use of the equipment is not influenced. The rationalization of the design of the plant is improved.
Drawings
FIG. 1 is a flow chart of an overall encounter avoidance method of the present invention;
FIG. 2 is a block diagram of the structure of the obstruction avoiding device of the ventilator;
fig. 3 is a block diagram of a flow chart of the obstacle detecting device according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1:
a blockage avoiding method for a ventilator of an air outlet of a fresh air fan of air purification equipment comprises the following steps:
s100, turning on a switch of the ventilator, starting the ventilator operation state control module and the ventilator power module, and driving the ventilator to rotate forwards by the ventilator power module;
s200, monitoring the state of the ventilating fan by using a ventilating fan operation state control module, acquiring data, judging whether the operation state of the ventilating fan is normal or not, if so, entering S6, and if not, entering S3;
s300, the operation state control module of the ventilating fan works to control the power module of the ventilating fan to rotate reversely, so that the ventilating fan rotates reversely and reaches an initial rotation original point;
s400, after the ventilating fan reversely rotates to return to the initial rotation original point, the power module of the ventilating fan rotates forwards again;
s500, when the power module of the ventilator rotates forwards, the obstacle detection module is started synchronously to detect the possible obstacles and acquire data so as to judge whether the obstacles exist;
s600, the obstacle detection module judges whether an obstacle exists, if not, the operation state control module of the ventilating fan does not work, the power module of the exhaust fan operates normally, and the ventilating fan operates normally;
s700, the obstacle detection module judges whether an obstacle exists, if so, the information is fed back to the ventilator operation state control module, and the operation enters S8;
s800, the ventilator running state control module receives and processes the signals, issues instructions to the obstacle alarm device and the ventilator power module, and specifically issues a starting instruction to the obstacle alarm device and a closing instruction to the ventilator power module;
s900, receiving the instruction and sending out acousto-optic warning by the obstacle alarm device;
and S1000, receiving an instruction and closing the ventilation fan power module, and finishing avoiding when the ventilation fan power module is blocked.
Referring to fig. 3, the step S600 includes:
s601, a barrier detection module starts to detect whether a barrier exists in the moving track of the ventilation fan after the ventilation fan starts to rotate forwards for the second time;
further, the obstacle detection module includes:
the air outlet obstacle detection device is used for detecting obstacles on the wall of the air outlet pipe of the air purification equipment, is also electrically connected with the ventilator operation state control module, and can send and receive data signals to the ventilator operation state control module;
the obstacle detection device of the operating path of the ventilation fan is used for detecting obstacles possibly existing in the operating path of the ventilation fan;
s602, the ventilator operation state control module receives and analyzes the information sent by the obstacle detection module, and judges whether the ventilator operates normally at the moment;
and S603, the ventilator running state control module sends corresponding instructions to the obstacle alarm device and the ventilator power module according to the analysis result.
Further, the obstacle alarm device includes:
the sound signal alarm device can send out an alarm by utilizing a preset sound signal after the ventilation fan state control module sends out a signal, so that the transmission efficiency of alarm information is improved;
the optical signal alarm device can send out photoelectric alarm after the ventilation fan state control module sends out signals, so that the signal visibility rate in the environment with insufficient illumination is improved.
Referring to fig. 2, a block diagram of a device for avoiding obstruction in a ventilator of an exhaust outlet of a fresh air blower of an air purification apparatus may include: the ventilator system comprises a ventilator switch 201, a ventilator power module 202, a ventilator operation state control module 203, an obstacle detection module 204 and an obstacle alarm device 205. The above-described structure will be explained below.
The ventilator switch 201 is used for controlling the whole circuit of the blockage avoidance device of the ventilator and is electrically connected with the ventilator operation state control module and the ventilator power module;
the ventilator power module 202 is mainly used as a power part of a ventilator, provides driving force for normal use of the ventilator, and can operate in a forward rotation mode and a reverse rotation mode;
the ventilator operation state control module 203 is mainly used for monitoring the operation state of the ventilator, judging whether the operation is normalized or not and controlling the reverse rotation of the ventilator power module; the obstacle detection module can receive and analyze signals of the obstacle detection module, and is electrically connected with the obstacle alarm device and the ventilator power device;
the obstacle detection module 204 is mainly used for detecting whether an obstacle exists on the operating path of the ventilator and transmitting the detected data to the ventilator operating state control module;
the obstacle alarm device 205 can receive the signal of the ventilator operation state control module, and send out sound and light alarm to remind an operator of the operation condition of the ventilator.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A method for avoiding blockage of a ventilator of an air outlet of a fresh air fan of air purification equipment is characterized by comprising the following steps: the method comprises the following steps:
the ventilator operation state control module and the ventilator power module are started and started through a ventilator switch, and the ventilator power module drives the ventilator to rotate forwards;
the ventilation fan running state control module is used for monitoring the running state of the ventilation fan and acquiring running data of the ventilation fan;
determining that the power module of the ventilating fan needs not to make the ventilating fan reversely rotate and return to the initial rotation origin point according to whether the ventilating fan normally operates or not;
when the ventilator needs to be reversely rotated to return to the initial rotation original point, the obstacle detection module is started, and meanwhile, the ventilator power module drives the ventilator to rotate forwards again;
and detecting whether an obstacle exists, if so, closing the ventilator, and avoiding the obstacle when the obstacle exists, otherwise, normally operating a power module of the ventilator, and normally operating the ventilator.
2. The obstruction avoiding method for the ventilation fan at the air outlet of the fresh air fan of the air purification equipment according to claim 1, which is characterized in that: according to whether the ventilator is normally operated or not, the power module of the ventilator is determined to be in need of reversing the ventilator and returning to the initial rotation origin, and the method comprises the following steps:
s1, monitoring the state of the ventilator by using the ventilator operation state control module, acquiring data, and judging whether the operation state of the ventilator is normal;
and S2, if the running state is not normal, judging that the power module of the ventilator needs to be reversed to the initial rotation origin, otherwise, not needing.
3. The obstruction avoiding method for the ventilation fan at the air outlet of the fresh air fan of the air purification equipment according to claim 1, which is characterized in that: when needs make the scavenger fan reversal get back to initial rotation original point, barrier detection module starts, and scavenger fan power module drive scavenger fan makes its corotation again simultaneously, includes:
s1, after the ventilator reversely rotates to return to the initial rotation original point, the ventilator power module rotates forwards again;
and S2, when the ventilating fan power module rotates forwards, the barrier detection module is started synchronously.
4. The obstruction avoiding method for the ventilation fan at the air outlet of the fresh air fan of the air purification equipment according to claim 1, which is characterized in that: whether the detection has the barrier, if yes, then the scavenger fan is closed, is met and hinders the avoidance and accomplish, if not, then scavenger fan power module normal operating, scavenger fan normal operating includes:
s1, an obstacle detection module starts to detect whether an obstacle exists in the moving track of the ventilating fan after the ventilating fan is started to rotate forwards for the second time;
s2, the ventilator operation state control module receives and analyzes the information sent by the obstacle detection module, and judges whether the ventilator operates normally at the moment;
and S3, the ventilator running state control module sends corresponding instructions to the obstacle alarm device and the ventilator power module according to the analysis result.
5. The utility model provides an air purification equipment new trend fan's air exit scavenger fan meets and hinders circumventing device which characterized in that: the method comprises the following steps:
the ventilator switch is used for controlling the whole circuit of the ventilator resistance avoiding device and is electrically connected with the ventilator operation state control module and the ventilator power module;
the ventilator power module is mainly used as a power part of the ventilator, provides driving force for normal use of the ventilator, and can operate in a forward rotation mode and a reverse rotation mode;
the ventilator operation state control module is mainly used for monitoring the operation state of the ventilator, judging whether the operation of the ventilator is normalized or not and controlling the reverse rotation of the ventilator power module; the obstacle detection module can receive and analyze signals of the obstacle detection module, and is electrically connected with the obstacle alarm device and the ventilator power device;
the obstacle detection module is mainly used for detecting whether an obstacle exists on the operating path of the ventilating fan and transmitting the detected data to the operating state control module of the ventilating fan;
and the barrier alarm device can receive the signal of the ventilation fan operation state control module, send out sound and light alarm and remind an operator of the operation condition of the ventilation fan.
6. The obstruction avoiding device for the ventilation fan at the air outlet of the fresh air fan of the air purifying equipment as claimed in claim 5, wherein: the obstacle detection module includes:
the air outlet obstacle detection device is used for detecting obstacles on the wall of the air outlet pipe of the air purification equipment, is also electrically connected with the ventilator operation state control module, and can send and receive data signals to the ventilator operation state control module;
the obstacle detection device for the operating path of the ventilation fan is used for detecting obstacles possibly existing in the operating path of the ventilation fan.
7. The obstruction avoiding device for the ventilation fan at the air outlet of the fresh air fan of the air purifying equipment as claimed in claim 5, wherein: the obstacle alarm device includes:
the sound signal alarm device can send out an alarm by utilizing a preset sound signal after the ventilation fan state control module sends out a signal, so that the transmission efficiency of alarm information is improved;
the optical signal alarm device can send out photoelectric alarm after the ventilation fan state control module sends out signals, so that the signal visibility rate in the environment with insufficient illumination is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251351.1A CN112377443B (en) | 2020-11-11 | 2020-11-11 | Obstruction avoiding device for ventilator of air outlet of fresh air machine of air purification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011251351.1A CN112377443B (en) | 2020-11-11 | 2020-11-11 | Obstruction avoiding device for ventilator of air outlet of fresh air machine of air purification equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112377443A true CN112377443A (en) | 2021-02-19 |
| CN112377443B CN112377443B (en) | 2021-06-25 |
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| CN202011251351.1A Active CN112377443B (en) | 2020-11-11 | 2020-11-11 | Obstruction avoiding device for ventilator of air outlet of fresh air machine of air purification equipment |
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| JP2006262753A (en) * | 2005-03-23 | 2006-10-05 | Kubota Corp | Engine cooler for harvester |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust removing fan device and dust removing method for same |
| CN203978891U (en) * | 2014-08-04 | 2014-12-03 | 冠昱铨科技股份有限公司 | LED control gear and there is the LED lighting installation of LED control gear |
| CN105370605A (en) * | 2014-08-18 | 2016-03-02 | 中国移动通信集团公司 | Fan control method and device |
| CN106321486A (en) * | 2016-11-15 | 2017-01-11 | 施姣女 | Safe electric fan |
-
2020
- 2020-11-11 CN CN202011251351.1A patent/CN112377443B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006123637A (en) * | 2004-10-27 | 2006-05-18 | Kubota Corp | Engine cooling device for harvester |
| JP2006262753A (en) * | 2005-03-23 | 2006-10-05 | Kubota Corp | Engine cooler for harvester |
| CN102996483A (en) * | 2011-09-13 | 2013-03-27 | 宏碁股份有限公司 | Automatic dust removing fan device and dust removing method for same |
| CN203978891U (en) * | 2014-08-04 | 2014-12-03 | 冠昱铨科技股份有限公司 | LED control gear and there is the LED lighting installation of LED control gear |
| CN105370605A (en) * | 2014-08-18 | 2016-03-02 | 中国移动通信集团公司 | Fan control method and device |
| CN106321486A (en) * | 2016-11-15 | 2017-01-11 | 施姣女 | Safe electric fan |
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| CN112377443B (en) | 2021-06-25 |
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