CN105546681A - Device, air conditioner and method for preventing cooling fan from reversing - Google Patents
Device, air conditioner and method for preventing cooling fan from reversing Download PDFInfo
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- CN105546681A CN105546681A CN201610072955.7A CN201610072955A CN105546681A CN 105546681 A CN105546681 A CN 105546681A CN 201610072955 A CN201610072955 A CN 201610072955A CN 105546681 A CN105546681 A CN 105546681A
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- grid
- cooling fan
- framework
- wind direction
- air intake
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- 238000001816 cooling Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000004378 air conditioning Methods 0.000 claims description 18
- 230000001143 conditioned effect Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000007774 longterm Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 230000003749 cleanliness Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 6
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
- F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a device, an air conditioner and a method for preventing a cooling fan from reversing. The device comprises a frame, a fan and a fan, wherein the frame is used for being arranged outside the cooling fan; the grid, the grid sets up the air intake department of frame, and with frame swing joint is used for through control the activity of grid is in order to change the air inlet wind direction of frame. The grille capable of rotating at an angle is arranged at the air outlet of the outdoor unit, the angle of the grille is controlled, the headwind blowing into the inner side of the outdoor unit is reduced, the motor starting failure caused by high-speed reversion in the initial stage of motor driving of the cooling fan is prevented, and the purpose that the variable frequency air conditioner can be started in different external wind power environments is achieved. Meanwhile, foreign matters and dust can be reduced to enter the air conditioner outdoor unit through the closed grids, and the cleanliness of the system is improved.
Description
Technical field
The present invention relates to cooling fan technical field, particularly relate to a kind of device, air-conditioning and the method that prevent cooling fan from reversing.
Background technology
Air-conditioning comprises refrigeration and heat-production functions, can be divided into one-piece type and separation type.In general, the indoor set of separation type air-conditioning is located at indoor, for the cooling of indoor.Its off-premises station is located at outdoor, is connected with indoor set by refrigerant pipe.Off-premises station contacts with extraneous air, and is cooling media with extraneous air, after the cold media gas condensation allowing in condenser, by refrigerant pipe, refrigerant is supplied to the evaporimeter of indoor set.Off-premises station comprises compressor, condenser, cooling fan.Compressor is supplied to condenser after refrigerant compression.Aerial condenser is by refrigerant condensation.In order to allow the continuous condensation refrigerant of condenser, cooling fan blows to aerial condenser extraneous air.
After the starting of air conditioner instruction receiving user, control starting of air conditioner, and controlled cooling model starting fan.If but had contrary wind to blow to cooling fan, direction contrary for the driving direction to drive motors would rotate by cooling fan.The driving direction that cooling fan can not be made to be rapidly to drive motors rotates, and then cooling fan is started unsuccessfully, and then has influence on the normal use of air-conditioning.At present, prevent air-conditioner outdoor unit cooling fan from reversing and mainly adopt the device that the outdoor cooling fan reverse of prevention is set in motor body to realize.Such as, the rotating shaft of drive motors is provided with one-way clutch, it allows the driving direction of axial rotary drive motors rotate, and prevents the reverse of rotating shaft.But said apparatus structure relative complex, production and processing difficulty is large, is not suitable for large-scale production manufacture.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of device, air-conditioning and the method that prevent cooling fan from reversing, to solve when blowing to cooling fan against the wind, and cooling fan counter-rotating, and then cause cooling fan to start failed technical problem.
First aspect, embodiments provides a kind of device preventing cooling fan from reversing, comprising:
Framework, described framework is for being arranged on the outside of cooling fan;
Grid, described grid is arranged on the air inlet of described framework, and is flexibly connected with described framework, for the activity by controlling described grid to change the air intake wind direction of described framework.
Further, described device also comprises:
Drive unit, described drive unit is for driving the activity of described grid to change the air intake wind direction of described framework.
Further, described device also comprises:
Controller, described controller is connected with described drive unit, for being changed the air intake wind direction of described framework by accessory drive.
Further, described drive unit, comprising:
Mobile link bar, described mobile link bar is perpendicular to described grid, and hinged with described grid, moves under driving at drive unit along the direction perpendicular to described grid, and then drives grid simultaneously relative to described frame member equal angular.
Further, described drive unit comprises:
Stepper motor;
Described device also comprises: transmission device, and described transmission device is connected with described transmission device with described stepper motor respectively, described mobile link bar and described transmission device hinged, for by the Movement transmit of described stepper motor give described mobile link bar.
Further, described transmission device comprises:
U-shaped transmission arm, the jointed shaft of fixing described mobile link bar one end embeds in the U-shaped opening of described U-shaped transmission arm, and described U-shaped transmission arm drives described mobile link bar to move along the direction perpendicular to described grid by jointed shaft.
Further, described controller is connected with described stepper motor, for the displacement of control step motor, to control the activity of described grid according to the wind direction outside described framework, changes the air intake wind direction of described framework.Further, described device also comprises: fixed connecting rod, and described fixed connecting rod edge is fixedly connected with on said frame with described grid vertical direction, and hinged with described grid.
Further, described controller comprises:
Direction controlling unit, for controlling the relative angle between described grid and described framework, to change described air intake wind direction;
Starting fan unit, for after change air intake wind direction, starts fan electromotor;
Start successful judging unit, for judging whether described fan electromotor starts successfully, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, described direction controlling unit is indicated to change described air intake wind direction, to realize maximum air output; If described fan electromotor starts unsuccessful, then indicate the relative angle between grid and described framework described in described direction controlling unit Reverse Turning Control, to change described air intake wind direction.
Further, described direction controlling unit specifically for: adjustment grid and framework between angle to predetermined angle θ, described predetermined angle θ determines according to the long-term wind direction of outdoor environment.
Further, describedly pre-conditionedly reach maximum for cooling fan motor rotating speed.
Second aspect, the embodiment of the present invention additionally provides a kind of air-conditioning preventing cooling fan from reversing, and comprising: indoor set and off-premises station, and described off-premises station comprises the device preventing cooling fan from reversing that above-described embodiment provides.
The third aspect, the embodiment of the present invention additionally provides a kind of method preventing cooling fan from reversing, and described method is realized by the above-mentioned device preventing cooling fan from reversing, and comprising:
Control the relative angle between described grid and described framework, to change described air intake wind direction;
Start fan electromotor, judge whether described fan electromotor starts successfully;
If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.
Further, also comprise:
If described fan electromotor starts unsuccessful, then grid described in Reverse Turning Control and the relative angle between described framework, to change described air intake wind direction;
Start fan electromotor, judge whether described fan electromotor starts successfully.
If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.
Further, control the relative angle between described grid and described framework, comprise to change described air intake wind direction: the angle between adjustment grid and framework is to predetermined angle θ, and described predetermined angle θ determines according to the long-term wind direction of outdoor environment.
Further, describedly pre-conditionedly reach maximum for cooling fan motor rotating speed.
Device, air-conditioning and method that what the embodiment of the present invention provided prevent cooling fan from reversing, by arranging the grid of angle rotatable at the air outlet place of off-premises station, and control the angle of grid, reduce the contrary wind be blown into inside off-premises station, prevent the starting stage driven at cooling fan motor from reversing at a high speed and cause electric motor starting failure, realize transducer air conditioning all bootable object under the different wind environment in the external world.Meanwhile, also enter air-conditioner outdoor unit inside by closed grid minimizing foreign matter, dust, improve system clean degree.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides;
Fig. 2 is the scheme of installation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides;
Fig. 3 is A place enlarged diagram in the structural representation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides;
Fig. 4 is the schematic flow sheet of the method preventing cooling fan from reversing that the embodiment of the present invention two provides;
Fig. 5 is the schematic flow sheet of the method preventing cooling fan from reversing that the embodiment of the present invention three provides.
The technical characteristic that Reference numeral in figure refers to respectively is:
1, framework; 2, grid; 3, mobile link bar; 4, fixed connecting rod;
5, U-shaped transmission arm.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Embodiment one
Fig. 1 is the structural representation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides.Fig. 2 is the scheme of installation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides.See Fig. 1 and Fig. 2, described in prevent cooling fan from reversing device, comprising: framework 1, described framework 1 is for being arranged on the outside of cooling fan (not shown); Grid 2, described grid 2 is arranged on the air inlet of described framework 1, and is flexibly connected with described framework 1, for the activity by controlling described grid 2 to change the air intake wind direction of described framework 1.As can be seen from Fig. 1 and Fig. 2, described framework 1 is arranged on the outside of off-premises station, and is arranged at the outside of cooling fan.The air inlet of described framework 1 is provided with grid 2, and when grid 2 face is similar to parallel described framework, grid 2 is closed condition, cooling fan and external environment effectively can be isolated.Described grid 2 is flexibly connected with framework 1, for the activity by controlling described grid to change the air intake wind direction relative to described framework 1, by the activity of grid 2, the angle between grid 2 and described framework 1 can be adjusted, the external wind that can change outside framework 1 enters the angle in off-premises station framework 1, and then the extraneous high wind of realization obstruct enters the object in off-premises station. when not isolating cooling fan and external environment, cooling fan reverse under the blowing of extraneous high wind in off-premises station can be avoided.Manually can adjust the activity of grid 2, realize the object changing framework 1 air intake wind direction.
In addition, the device that what the present embodiment provided prevent cooling fan from reversing, also comprise: drive unit, described drive unit can be the Power Drive Unit such as electric rotating machine or cylinder, and described drive unit is connected with grid 2, can drive the activity of described grid 2, by the rotation of grid 2, change the air intake wind direction of described framework 1, the high wind outside off-premises station can be stopped, make the high wind outside off-premises station directly be blown in off-premises station.Can with off-premises station outside maintain the circulation of air while, avoid cooling fan reverse under the blowing of extraneous high wind in off-premises station.
Further, in the present embodiment, described drive unit is preferably stepper motor, and stepper motor is opened loop control unit stepper motor part electric impulse signal being changed into angular displacement or displacement of the lines.The rotating speed of motor, the position of stopping only depending on frequency and the umber of pulse of pulse signal, and not by the impact of load change, when step actuator receives a pulse signal, stepper motor rotates a fixing angle by the direction of setting, and it rotates is to run step by step with fixing angle.Pilot angle displacement can be carried out by control impuls number, thus reach the object of accurately location; Speed and the acceleration of electric machine rotation can be controlled simultaneously by control impuls frequency, thus reach the object of speed governing.Grid can be made exactly according to the angular mobility preset as drive unit stepper motor, and the movable angle to presetting of grid can be driven at short notice.
Fig. 3 is A place enlarged diagram in the structural representation of the device preventing cooling fan from reversing that the embodiment of the present invention one provides, as seen from Figure 3, the described device preventing cooling fan from reversing includes multiple grid 2 in the air inlet of framework, for making all grids 2 or partial grid 2 can be unanimously movable, equal angular can be rotated relative to described framework 1 to make all grids 2 or partial grid 2 simultaneously.In the present embodiment, described drive unit also comprises: mobile link bar 3, and described mobile link bar 3 is perpendicular to described grid 2, and hinged with described grid 2, rotates equal angular for driving grid 2 relative to described framework 1 simultaneously.When mobile link bar 3 moves left and right, drive hinged grid 2 to rotate simultaneously.And mobile link bar 3 is perpendicular to grid 2, described grid 3, under the drive of mobile link bar 2, can rotate equal angular relative to described framework 1.
Because stepper motor is rotary motion, and mobile link bar 3 is along the direction transverse movement perpendicular to described grid 2, for enabling stepper motor drive mobile link bar 3 transverse movement, needs rotary motion to be converted to transverse shifting.In the present embodiment, described transmission device also comprises: transmission device, described transmission device is connected with described transmission device with described stepper motor respectively, and described mobile link bar 3 is hinged with described transmission device, for giving described mobile link bar 3 by the Movement transmit of described stepper motor.Exemplary, described transmission device can be U-shaped transmission arm 5, as shown in Figure 1, described U-shaped transmission arm 5 has a U-shaped opening to fix in the U-shaped opening of the described U-shaped transmission arm 5 of jointed shaft (not shown) embedding of described mobile link bar 3 one end, described U-shaped transmission arm 5 drives described mobile link bar 3 to move along the direction perpendicular to described grid 2 by jointed shaft.When stepper motor rotates, the axle of stepper motor is connected with U-shaped transmission arm 5, drives U-shaped transmission arm 5 to rotate, and on U-shaped transmission arm 5, U-shaped opening drives the jointed shaft transverse shifting of mobile link bar 3 one end, and then drives mobile link bar 3 transverse shifting.Realize object stepper motor rotary motion being converted to mobile link bar 3 transverse movement.
If grid 2 is only flexibly connected with framework 1, when extraneous wind-force is larger, grid 2 can be made to bear larger power with the articulated positions of framework 1.After a long time use, grid 2 can be made to damage with the articulated positions of framework 1, and then have influence on the use of the device preventing cooling fan from reversing.For avoiding above-mentioned situation to occur, in the present embodiment, described in prevent cooling fan from reversing device, also comprise: fixed connecting rod 4.See Fig. 1 and Fig. 3, the device preventing cooling fan from reversing comprises at least one fixed connecting rod 4, and described fixed connecting rod 4 is fixedly connected on described framework 1 along with described grid 2 vertical direction, and hinged with described grid 2.Hinged by fixed connecting rod 4 and grid 2, do not affect the proper motion of grid 2.The extraneous wind-force that grid 2 bears, along being fixedly connected on described framework 1 with described grid 2 vertical direction, can be decomposed fixed connecting rod 4 and the articulated position of grid 2, avoid grid 2 to damage with the articulated positions of framework 1 by fixed connecting rod 4 uniformly.
In the present embodiment, described device also comprises: controller, and described controller is connected with described drive unit, for being changed the air intake wind direction of described framework 1 by accessory drive.By controller, the motion of described grid 2 can be adjusted according to the direction of setting, realize the object of the air intake wind direction changing described framework 1.Concrete, in the present embodiment, when drive unit is stepper motor, controller is connected with described stepper motor, for the displacement of control step motor, to control the activity of described grid 2 according to the wind direction outside described framework, change the air intake wind direction of described framework 1.After the signal that controller sends enters stepper motor driver, meeting converts the heavy current signal required for stepper motor to by driver, drives stepper motor running.Controller can turn over each angle by control step motor accurately.
Concrete, described controller comprises:
Direction controlling unit, for controlling the relative angle between described grid 2 and described framework 1, to change described air intake wind direction;
Starting fan unit, for after change air intake wind direction, starts fan electromotor;
Start successful judging unit, for judging whether described fan electromotor starts successfully, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, described direction controlling unit is indicated to change described air intake wind direction, to realize maximum air output; If described fan electromotor starts unsuccessful, then indicate the relative angle between grid 2 and described framework 1 described in described direction controlling unit Reverse Turning Control, to change described air intake wind direction.
Wherein, described direction controlling unit specifically for: adjustment grid 2 and framework 1 between angle to predetermined angle θ, described predetermined angle θ determines according to the long-term wind direction of outdoor environment; Describedly pre-conditionedly reach maximum for cooling fan motor rotating speed.
Controller can be realized by software or hardware mode.Exemplary, when realizing in hardware, described controller comprises: controllor for step-by-step motor, PLC chip, on-off circuit and working state indicating circuit etc.By the displacement of the stepper motor converted in advance according to the relative angle between described grid 2 and described framework 1 prestored in PLC chip, and by the displacement of described stepper motor input controllor for step-by-step motor, corresponding signal is exported to stepper motor by controllor for step-by-step motor, to make stepper motor drive grid 2 to move, the relative angle between adjustment grid 1 and framework 2.After relative angle between adjustment grid 1 and framework 2 completes, PLC chip sends corresponding signal, actuating switch circuit, starts cooling fan motor.And according to the signal that working state indicating circuit feeds back, judge whether described fan electromotor starts successfully.And according to judged result, by controllor for step-by-step motor and the relative angle between stepper motor adjustment grid and framework.Realize the angle controlling grid 2, reduce the contrary wind be blown into inside off-premises station, prevent the starting stage driven at cooling fan motor from reversing at a high speed the object causing electric motor starting failure.Controller can realize the relative angle automatically adjusted between described grid and described framework, manually adjusts, decrease the operation complexity of user, improve Consumer's Experience without the need to user.In addition, described controller also can receive the instruction that user sent by remote controller and adjust the relative angle between grid and framework, realizes reducing foreign matter, dust enters air-conditioner outdoor unit inside, improve the object of system clean degree.
The device that what the present embodiment provided prevent cooling fan from reversing, by arranging the grid of angle rotatable at the air outlet place of off-premises station, and control the angle of grid, reduce the contrary wind be blown into inside off-premises station, prevent the starting stage driven at cooling fan motor from reversing at a high speed and cause electric motor starting failure, realize transducer air conditioning all bootable object under the different wind environment in the external world.Meanwhile, also enter air-conditioner outdoor unit inside by closed grid minimizing foreign matter, dust, improve system clean degree.
Further, the embodiment of the present invention additionally provides a kind of air-conditioning preventing cooling fan from reversing, and described air-conditioning comprises indoor set and off-premises station, and described off-premises station comprises the above-mentioned device preventing cooling fan from reversing, and can realize corresponding function.Do not repeat at this.
Embodiment two
Fig. 4 is the schematic flow sheet of the method preventing cooling fan from reversing that the embodiment of the present invention two provides.The method that what the present embodiment provided prevent cooling fan from reversing, the device preventing cooling fan from reversing adopting above-described embodiment to provide performs.
See Fig. 4, described in prevent cooling fan from reversing method, comprising:
Step 210, controls the relative angle between described grid and described framework, to change described air intake wind direction.
Because air-conditioner outdoor unit is located at outdoor, and the environment of outdoor is in constantly change.If air-conditioning quilt is arranged on windy northern area, when spring and autumn, often because outdoor wind-force is comparatively large, be blown in off-premises station inside, drive the cooling fan of off-premises station to reverse, and then cooling fan motor cannot be started.In the present embodiment, by adjusting the relative angle be arranged between the grid of air-conditioner outdoor unit cooling fan outside and described off-premises station framework, can while the inside and outside air circulation of maintenance off-premises station, change the air intake direction of off-premises station, effectively avoid extraneous high wind, cooling fan motor is normally started.Exemplary, after once can running shutdown on air-conditioning, or when air-conditioning pretrigger, control the relative angle between described grid and described framework, to change described air intake wind direction.Concrete, the angle between adjustment grid and framework is to predetermined angle θ, and described predetermined angle θ determines according to the long-term wind direction of outdoor environment.Exemplary, according to meteorological data statistics, if the long-term wind direction of outdoor environment is northwester, then predetermined angle is set to 45 °, to realize changing described air intake wind direction, avoids the object of extraneous high wind.Can be rotated by stepper motor drives U-shaped transmission arm to rotate, and on U-shaped transmission arm, U-shaped opening drives the jointed shaft transverse shifting of mobile link bar one end, and then drives mobile link bar transverse shifting.Stepper motor rotary motion is converted to the transverse movement of mobile link bar, and mobile link bar drives grid simultaneously relative to described frame member equal angular θ, changes described air intake wind direction.
Step 220, starts fan electromotor, judges whether described fan electromotor starts successfully.
After controlling the relative angle between described grid and described framework, the on-off circuit of fan electromotor can be closed, start cooling fan motor.And by the duty of the working state indicating circuit acquisition cooling fan with cooling fan, can judge whether described fan electromotor starts successfully based on duty.
Step 230, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, changes described air intake wind direction, to realize maximum air output.
After cooling fan starts normal operation, need to readjust the angle between grid adjustment grid and framework, to make to be achieved maximum air output.Cooling fan can carry out heat exchange with the external world.Exemplary, grid can be adjusted to and become plumbness with framework.In the present embodiment, when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.Concrete, the rotating speed of cooling fan motor can be reached maximum as pre-conditioned, namely reach maximum at the rotating speed of fan electromotor, when cooling fan motor runs well, change described air intake wind direction, to realize maximum air output.
The device that what the present embodiment provided prevent cooling fan from reversing, by arranging the grid of angle rotatable at the air outlet place of off-premises station, and control the angle of grid, reduce the contrary wind be blown into inside off-premises station, prevent the starting stage driven at cooling fan motor from reversing at a high speed and cause electric motor starting failure, realize transducer air conditioning all bootable object under the different wind environment in the external world.And when cooling fan motor normally works, change described air intake wind direction, to realize maximum air output.To make described cooling fan better can carry out heat exchange with the external world, and reduce the noise of cooling fan.
Embodiment three
Fig. 5 is the schematic flow sheet of the method preventing cooling fan from reversing that the embodiment of the present invention three provides.The present embodiment is based on embodiment two, and further, described method also comprises: if described fan electromotor starts unsuccessful, then grid described in Reverse Turning Control and the relative angle between described framework, to change described air intake wind direction; Start fan electromotor, judge whether described fan electromotor starts successfully.If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.
See Fig. 5, described in prevent cooling fan from reversing method, comprising:
Step 310, controls the relative angle between described grid and described framework, to change described air intake wind direction.
Step 320, starts fan electromotor, judges whether described fan electromotor starts successfully.
Step 330, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, changes described air intake wind direction, to realize maximum air output.
Step 340, if described fan electromotor starts unsuccessful, then grid described in Reverse Turning Control and the relative angle between described framework, to change described air intake wind direction.
If cooling fan motor initiating switchup failure, then can think front grid and and described framework between relative angle catered to the wind direction of external environment condition.Now need the relative angle oppositely adjusted between described grid and described framework, to change described air intake wind direction.Exemplary, predetermined angle described in twice can be rotated counterclockwise by contrary direction, can to bear away direction to make the relative angle between grid and described framework.
Step 350, starts fan electromotor, judges whether described fan electromotor starts successfully.
Step 360, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, changes described air intake wind direction, to realize maximum air output.
The present embodiment is by increasing following steps: if described fan electromotor starts unsuccessful, then grid described in Reverse Turning Control and the relative angle between described framework, to change described air intake wind direction; Start fan electromotor, judge whether described fan electromotor starts successfully.If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.Can start unsuccessfully in cooling fan motor first time, adjust the relative angle between described grid and described framework, to change described air intake wind direction.When extraneous wind direction is close with the relative angle between grid and described framework, by adjusting the relative angle between grid and described framework, described air intake wind direction can be changed.Realize reducing the contrary wind be blown into inside off-premises station, prevent the starting stage driven at cooling fan motor from reversing at a high speed and cause electric motor starting failure, realize transducer air conditioning all bootable object under the different wind environment in the external world.
In a preferred embodiment of the present embodiment, if after described fan electromotor startup is unsuccessful, grid described in Reverse Turning Control and the relative angle between described framework, before changing described air intake wind direction, also comprise:
Time delay preset duration, before starting at fan electromotor, increases time delay preset duration, described fan electromotor can be made to start unsuccessfully in first time, protect described fan electromotor circuit, avoids causing fan electromotor fault owing to starting continuously.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (16)
1. the device preventing cooling fan from reversing, is characterized in that, described device comprises:
Framework (1), described framework (1) is for being arranged on the outside of cooling fan;
Grid (2), described grid (2) is arranged on the air inlet of described framework (1), and be flexibly connected with described framework (1), for the activity by controlling described grid (2) to change the air intake wind direction of described framework (1).
2. device according to claim 1, is characterized in that, described device also comprises:
Drive unit, described drive unit is for driving the activity of described grid (2) to change the air intake wind direction of described framework (1).
3. device according to claim 2, is characterized in that, described device also comprises:
Controller, described controller is connected with described drive unit, for being changed the air intake wind direction of described framework (1) by accessory drive.
4. device according to claim 3, is characterized in that, described drive unit, comprising:
Mobile link bar (3), described mobile link bar is perpendicular to described grid (2), and it is hinged with described grid (2), move along the direction perpendicular to described grid (2) under driving at drive unit, and then drive grid (2) to rotate equal angular relative to described framework (1) simultaneously.
5. device according to claim 4, is characterized in that, described drive unit comprises:
Stepper motor;
Described device also comprises: transmission device, described transmission device is connected with described transmission device with described stepper motor respectively, described mobile link bar (3) is hinged with described transmission device, for giving described mobile link bar (3) by the Movement transmit of described stepper motor.
6. device according to claim 5, is characterized in that, described transmission device comprises:
U-shaped transmission arm (5), the jointed shaft of fixing described mobile link bar (3) one end embeds in the U-shaped opening of described U-shaped transmission arm (5), and described U-shaped transmission arm (5) drives described mobile link bar (3) to move along the direction perpendicular to described grid (2) by jointed shaft.
7. device according to claim 5, it is characterized in that, described controller is connected with described stepper motor, for the displacement of control step motor, to control the activity of described grid (2) according to described framework (1) wind direction outward, change the air intake wind direction of described framework (1).
8. device according to claim 1, it is characterized in that, described device also comprises: fixed connecting rod (4), described fixed connecting rod (4) edge is fixedly connected on described framework (1) with described grid (2) vertical direction, and hinged with described grid (2).
9. device according to claim 2, is characterized in that, described controller comprises:
Direction controlling unit, for controlling the relative angle between described grid (2) and described framework (1), to change described air intake wind direction;
Starting fan unit, for after change air intake wind direction, starts fan electromotor;
Start successful judging unit, for judging whether described fan electromotor starts successfully, if described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, described direction controlling unit is indicated to change described air intake wind direction, to realize maximum air output; If described fan electromotor starts unsuccessful, then indicate the relative angle between grid (2) and described framework (1) described in described direction controlling unit Reverse Turning Control, to change described air intake wind direction.
10. device according to claim 9, it is characterized in that, described direction controlling unit specifically for: adjustment grid (2) and framework (1) between angle to predetermined angle θ, described predetermined angle θ determines according to the long-term wind direction of outdoor environment.
11. devices according to claim 9, is characterized in that, describedly pre-conditionedly reach maximum for cooling fan motor rotating speed.
12. 1 kinds of air-conditionings preventing cooling fan from reversing, comprising: indoor set and off-premises station, is characterized in that, described off-premises station comprises the arbitrary described device preventing cooling fan from reversing of claim 1-11.
13. 1 kinds of methods preventing cooling fan from reversing, is characterized in that, adopt the arbitrary described device preventing cooling fan from reversing of claim 1-11 to perform, described method comprises:
Control the relative angle between described grid and described framework, to change described air intake wind direction;
Start fan electromotor, judge whether described fan electromotor starts successfully;
If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.
14. methods according to claim 13, is characterized in that, also comprise:
If described fan electromotor starts unsuccessful, then grid described in Reverse Turning Control and the relative angle between described framework, to change described air intake wind direction;
Start fan electromotor, judge whether described fan electromotor starts successfully;
If described fan electromotor starts successfully, then when cooling fan motor rotating speed meets pre-conditioned, change described air intake wind direction, to realize maximum air output.
15. methods according to claim 13 or 14, it is characterized in that, control the relative angle between described grid and described framework, comprise to change described air intake wind direction: the angle between adjustment grid and framework is to predetermined angle θ, and described predetermined angle θ determines according to the long-term wind direction of outdoor environment.
16. methods according to claim 13 or 14, is characterized in that, describedly pre-conditionedly reach maximum for cooling fan motor rotating speed.
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| CN201610072955.7A CN105546681B (en) | 2016-02-02 | 2016-02-02 | Device, air conditioner and method for preventing cooling fan from reversing |
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| CN201610072955.7A CN105546681B (en) | 2016-02-02 | 2016-02-02 | Device, air conditioner and method for preventing cooling fan from reversing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548446A (en) * | 2018-05-07 | 2018-09-18 | 江苏华塔冷却技术有限公司 | Cooling tower intelligence air inlet adjustment system and its adjusting method |
| CN113032213A (en) * | 2021-03-24 | 2021-06-25 | 山东英信计算机技术有限公司 | Fan hot plug method, device, equipment and computer readable storage medium |
| CN113154544A (en) * | 2021-04-25 | 2021-07-23 | 珠海格力电器股份有限公司 | Protection device of air outlet equipment, air conditioner and protection control method of air conditioner |
| CN113531823A (en) * | 2021-06-24 | 2021-10-22 | 江苏云洲智能科技有限公司 | Air conditioner external unit control method, electronic equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288368A (en) * | 1992-04-07 | 1993-11-02 | Mitsubishi Heavy Ind Ltd | Outdoor unit for air conditioner |
| KR20010004765A (en) * | 1999-06-29 | 2001-01-15 | 윤종용 | Outdoor unit of an air conditioner |
| CN2663863Y (en) * | 2003-11-08 | 2004-12-15 | 海尔集团公司 | Air conditioner having novel guide vane fixing structure |
| CN2758533Y (en) * | 2004-12-31 | 2006-02-15 | 何松江 | Exhaustor with shutter |
| CN101329094A (en) * | 2007-06-20 | 2008-12-24 | 乐金电子(天津)电器有限公司 | Wind deflector structure of window air conditioner air exhaust opening |
| JP2012002433A (en) * | 2010-06-17 | 2012-01-05 | Panasonic Corp | Outdoor unit for refrigeration device |
| CN203271511U (en) * | 2013-04-12 | 2013-11-06 | 深圳市中鼎空调净化有限公司 | Air conditioner outdoor unit energy-saving shutter |
| CN205536254U (en) * | 2016-02-02 | 2016-08-31 | 珠海格力电器股份有限公司 | Device for preventing cooling fan from reversing and air conditioner |
-
2016
- 2016-02-02 CN CN201610072955.7A patent/CN105546681B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05288368A (en) * | 1992-04-07 | 1993-11-02 | Mitsubishi Heavy Ind Ltd | Outdoor unit for air conditioner |
| KR20010004765A (en) * | 1999-06-29 | 2001-01-15 | 윤종용 | Outdoor unit of an air conditioner |
| CN2663863Y (en) * | 2003-11-08 | 2004-12-15 | 海尔集团公司 | Air conditioner having novel guide vane fixing structure |
| CN2758533Y (en) * | 2004-12-31 | 2006-02-15 | 何松江 | Exhaustor with shutter |
| CN101329094A (en) * | 2007-06-20 | 2008-12-24 | 乐金电子(天津)电器有限公司 | Wind deflector structure of window air conditioner air exhaust opening |
| JP2012002433A (en) * | 2010-06-17 | 2012-01-05 | Panasonic Corp | Outdoor unit for refrigeration device |
| CN203271511U (en) * | 2013-04-12 | 2013-11-06 | 深圳市中鼎空调净化有限公司 | Air conditioner outdoor unit energy-saving shutter |
| CN205536254U (en) * | 2016-02-02 | 2016-08-31 | 珠海格力电器股份有限公司 | Device for preventing cooling fan from reversing and air conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548446A (en) * | 2018-05-07 | 2018-09-18 | 江苏华塔冷却技术有限公司 | Cooling tower intelligence air inlet adjustment system and its adjusting method |
| CN108548446B (en) * | 2018-05-07 | 2024-06-04 | 江苏华塔冷却技术有限公司 | Intelligent air inlet adjusting system of cooling tower and adjusting method thereof |
| CN113032213A (en) * | 2021-03-24 | 2021-06-25 | 山东英信计算机技术有限公司 | Fan hot plug method, device, equipment and computer readable storage medium |
| CN113154544A (en) * | 2021-04-25 | 2021-07-23 | 珠海格力电器股份有限公司 | Protection device of air outlet equipment, air conditioner and protection control method of air conditioner |
| CN113531823A (en) * | 2021-06-24 | 2021-10-22 | 江苏云洲智能科技有限公司 | Air conditioner external unit control method, electronic equipment and storage medium |
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