CN203978879U - A kind of ventilating fan with photo-voltaic power supply - Google Patents

A kind of ventilating fan with photo-voltaic power supply Download PDF

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Publication number
CN203978879U
CN203978879U CN201420377301.1U CN201420377301U CN203978879U CN 203978879 U CN203978879 U CN 203978879U CN 201420377301 U CN201420377301 U CN 201420377301U CN 203978879 U CN203978879 U CN 203978879U
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ventilating fan
energy
photo
power supply
fan
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屈柏耿
沈辉
李荣学
王帅
朱贞彬
李志豪
林振钦
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Foshan Polytechnic
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Foshan Polytechnic
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Abstract

The utility model discloses a kind of ventilating fan with photo-voltaic power supply, it comprises shell, DC brushless motor and fan blade, described fan blade is arranged on the running shaft in described shell, the pto=power take-off of described DC brushless motor is connected with described running shaft, described DC brushless motor is connected with motor driver circuit, described motor driver is connected with judgement controller circuitry, described judgement controller is connected with a solar converter, described solar converter respectively with energy-storage battery, photovoltaic module connection.Remain with commercial power interface, user need not dismantle original circuit and switch, directly ventilating fan is accessed, allow user's interventional procedure, directly enforced opening or close ventilating fan, makes full use of solar energy, improve energy utilization rate, and energy-conserving and environment-protective, have reduced user's living cost, have expanded the application space of ventilating fan.

Description

A kind of ventilating fan with photo-voltaic power supply
Technical field
The utility model relates to a kind of ventilating fan with photo-voltaic power supply.
Background technique
Ventilating fan drives fan blade to rotarily actuate air-flow by motor, make a class air adjustment electricity-saving appliance of indoor and outdoor air exchange, the object of exhaust is exactly to remove indoor vitiated air, regulates temperature, humidity and sensory effect, and ventilating fan is widely used in family and public place.According to the distribution ventilating fan of relief opening, comprise partition type, conduit discharge type and conduit air inlet type, and form form ventilating fan according to air-flow, comprise centrifugal, axial flow and cross-flow type.Ventilating fan has that cost of investment is low, air quantity is large, noise is low, it is little to consume energy, operates steadily, the life-span is long, efficiency high.But ventilating fan of the prior art generally adopts the mode of civil power, and energy consumption is larger, and generally adopt fixed installation mode, can not regulate air draft angle, and ventilating fan shell all adopts identical bore, ventilation efficiency is lower.
Therefore, prior art has yet to be improved and developed.
Model utility content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of ventilating fan with photo-voltaic power supply, to improve energy utilization rate and energy-conserving and environment-protective.
The technical solution of the utility model is as follows:
A kind of ventilating fan with photo-voltaic power supply, wherein, it comprises shell, DC brushless motor and fan blade, described fan blade is arranged on the running shaft in described shell, the pto=power take-off of described DC brushless motor is connected with described running shaft, described DC brushless motor is connected with motor driver circuit, described motor driver is connected with judgement controller circuitry, described judgement controller is connected with a solar converter, described solar converter respectively with energy-storage battery, photovoltaic module connection, described solar converter is converted into electric energy for the solar radiant energy that described photovoltaic module is obtained, be delivered to described energy-storage battery.
The described ventilating fan with photo-voltaic power supply, wherein, described motor driver also with ten second of the three ten-day periods of the hot season DC converter circuit be connected, described ten second of the three ten-day periods of the hot season DC converter and time switch connection, described time switch is connected with ventilating fan switching circuit, and described ventilating fan switch is connected with commercial power interface.
The ventilating fan with photo-voltaic power supply of stating, wherein, between described solar converter and described photovoltaic module, access a component power detector, described component power detector is connected with an index determining device, described index determining device respectively with alarm, described energy-storage battery connection.
The described ventilating fan with photo-voltaic power supply, wherein, described judgement controller is connected with indoor and outdoor psychrometric difference sensor, kelvin temperature gap sensor, Intelligent fixed time switching circuit in being arranged on exhaust space.
The described ventilating fan with photo-voltaic power supply, wherein, is provided with on described DC brushless motor for connecting the bluetooth transmitters of external detection equipment.
The described ventilating fan with photo-voltaic power supply, wherein, described shell is arranged on a mounting bracket, described mounting bracket is provided with semicircle mounting hole on relative two limits, described shell is being provided with installation shaft with first circular mounting hole corresponding part of described mounting bracket, and installation shaft one side is provided with for limiting the limiting stopper of installation shaft angle of swing.
The described ventilating fan with photo-voltaic power supply, wherein, described shell is provided with oval guard shield in the side towards described fan blade, described shell is provided with circular guard shield in a side of described fan blade dorsad, and described oval guard shield and described circular guard shield form narrow wide ventilation channel.
A kind of ventilating fan with photo-voltaic power supply that the utility model provides, the mode that adopts civil power to combine with solar energy, remain with commercial power interface, user need not dismantle original circuit and switch, directly by the original ventilating fan of the dismountable replacing of the utility model, concrete is that original bathroom window fixed window head bulk glass is removed, the alternating current 220V ventilating fan that comprises original installation, certainly in this process, need to scratch silicon sealant, part may need with screw-driver, tear some grade of bar etc. open, then the utility model integral installation customizing according to window area of bed is got on and originally can complete upgrading to replace, allow user's interventional procedure, direct enforced opening or close ventilating fan, and can according to user open not coexisting of gimmick when opening ventilating fan automatic pre-set different close duration, and the utility model directly stores solar energy in energy-storage battery into and uses, make full use of solar energy, improve energy utilization rate, and energy-conserving and environment-protective, reduce user's living cost, expanded the application space of ventilating fan.
Accompanying drawing explanation
Fig. 1 is the structural representation of powering in the utility model.
Fig. 2 is the structural representation of another embodiment of ventilating fan in the utility model.
Fig. 3 is the structural representation of ventilating fan shell in the utility model.
Fig. 4 is the circuit diagram of presentable timer in the utility model.
Embodiment
The utility model provides a kind of ventilating fan with photo-voltaic power supply, can be regarded as the further lifting to ventilating fan performance.For ventilating fan, ventilating fan volume of the present utility model is little, lightweight, reliable performance, directly utilizes the PV assembly generating of photo-voltaic power supply, then by the power supply of electric weight supply and exhaust fan, user need not dismantle original circuit and switch, directly by the original ventilating fan of the dismountable replacing of the utility model, easy for installation, can store electricity consumption by active absorption solar energy, when solar energy does not have electricity, ventilating fan transfers to and uses civil power to carry out work, and energy-conserving and environment-protective, have guaranteed the stable operation of ventilating fan.
For making the purpose of this utility model, technological scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to shown in Fig. 1 and Fig. 3, it comprises shell 1, DC brushless motor 2 and fan blade, described fan blade is arranged on the running shaft in described shell 1, the pto=power take-off of described DC brushless motor 2 is connected with described running shaft, wherein, described DC brushless motor 2 is connected with motor driver 3 circuit, described motor driver 3 is connected with judgement controller 4 circuit, described judgement controller 4 can adopt technological means ripe in prior art, described judgement controller 4 is connected with a solar converter 9, described solar converter 9 respectively with energy-storage battery 10, photovoltaic module 11 connections, described solar converter 9 is converted into electric energy for the solar radiant energy that described photovoltaic module 11 is obtained, be delivered to described energy-storage battery 10.Described photovoltaic module 11 receives the optical radiation energy in sunlight and is converted into electric energy, by described solar converter 9, stores into safely in described energy-storage battery pond 10.Then can to offer 2 runnings of described DC brushless motor by described solar converter 9, described judgement controller 4, described motor driver 3 used for the electric energy on described energy-storage battery 10, then described DC brushless motor 2 drive fan blade rotation.Generally, ventilating fan will fully automatic operation, without civil power access, without people's handling, user also can interventional procedure, direct enforced opening or close ventilating fan, and can according to user open not coexisting of gimmick when opening ventilating fan automatic pre-set different close duration, improved energy utilization rate, and energy-conserving and environment-protective, have reduced user's living cost, have expanded the application space of ventilating fan.
In another preferred embodiment of the present utility model, as shown in Figure 2, described motor driver 3 also with ten second of the three ten-day periods of the hot season DC converter 5 circuit be connected, described ten second of the three ten-day periods of the hot season DC converter 5 with time switch 6 connections, described time switch 6 and ventilating fan switch 7 connections, described ventilating fan switch 7 is connected with commercial power interface 8.The utility model remains with described commercial power interface 8, when transformation or installation, only mains supply input Live line Zero line two wires that originally accessed traditional ventilating fan need be linked into described ventilating fan switch 7.During user's interventional procedure, press described ventilating fan switch 7, civil power electric energy will be immediately make it enforced opening through described time switch 6 input ventilating fans, and after described time switch 6 time delay certain hours, automatically thoroughly close and being connected of civil power.User can also manually disconnect described ventilating fan switch 7 before described time switch 6 time delays arrive closes the direct power-off of ventilating fan.Obvious, when solar powered process breaks down, the normal work that user also can keep ventilating fan by described commercial power interface 8, has increased the flexibility of ventilating fan operation, has expanded the application space of ventilating fan.
In another preferred embodiment, between described solar converter 9 and described photovoltaic module 11, access a component power detector 17, described component power detector 17 is connected with an index determining device 18, described index determining device 18 respectively with alarm 19, described energy-storage battery 10 connections.Described solar converter 9 output powers detect and can calculate actual maximum output by described 17 sampling interval of component power detector certain hour, described index determining device 18 compares the dump energy of the maximum output of described solar converter 9 and described energy-storage battery 10, when the dump energy of described energy-storage battery 10 is that ventilating fan is while proposing the power supply of a period of time (such as 1 hour), described directive controller 18 activates described alarm 19, and reminding user accesses ventilating fan by civil power.But also can on described energy-storage battery 10, connect a lighting burner or tutorial light 22, further utilize described energy-storage battery 10.
In another embodiment of the present utility model, on described DC brushless motor 2, be provided with for connecting the bluetooth transmitters 20 of external detection equipment, such as described bluetooth transmitters 9 is connected with mobile phone, make user can mobile phone etc. the wireless monitor to the on-the-spot service data of ventilating fan, the running state that can set or adjust at any time ventilating fan, is convenient for users to operate.On described judgement controller 4, be connected with corresponding sensor 16 and Intelligent fixed time switch 21, such as described sensor 16 can be indoor and outdoor psychrometric difference sensor, kelvin temperature gap sensor, the running state of control ventilating fan that can be intelligent, convenient for users.Can comprehensively to the use state in air draft space, judge according to sensor information, open and close automatically preferably ventilating fan.Indoor and outdoor psychrometric difference refers to the difference of indoor and outdoors relative moisture, and absolute temperature difference refers to the absolute value that room temperature exceeds than outdoor temperature.Intelligent fixed time switch 21 is mainly that the various correlative factors of comprehensive analysis are to set the real work duration of ventilating fan.
Presentable timer in Intelligent fixed time switch 21 can be to adopt correlation means of the prior art, and the utility model is not restricted this.But the physical circuit that the utility model adopts as shown in Figure 4, and the upper left corner part in Fig. 4 is master timer control circuit, lower right corner part is the control circuit that ventilating fan switch motion detection and signal are processed.
In the utility model, the detailed process of master timer control circuit is as follows:
After civil power bridge rectifier, export, anodal direct current charges the constant-current circuit consisting of R9, D4, Q3 etc. in the situation that relay R L2 connects to capacitor C 1, and C1 voltage rises to gradually (such as 10 seconds) after set time and reaches maximum value.Now RL2 is the control circuit that ventilating fan switch motion detection and signal are processed in lower right corner part, control lower disconnection automatically, capacitor C 1 constant-current source circuit by compositions such as Q6, U5 discharges to the offset part parallel circuit of Q2 (offset part parallel circuit is: D1, D2, R5, Q1), switching tube Q1 saturation conduction, electric contacting on relay R L1 coil.After set time arrives, (as 1 hour) drops to the conducting that is not enough to maintain Q2 when capacitor C 1 discharge voltage, and RL1 is power-off, and L1(in Fig. 4 is real is the mains adapter of direct current ventilating fan) power-off immediately, ventilating fan has cut off and being connected of civil power.
Certainly, the part of above-mentioned analysis Jin Wei city electric energy.Because also having second of photovoltaic power supply, system overlaps the energy, if now judgement controller 4 analysis result (threshold value as more certain than outdoor height in indoor humidity) for ventilating fan need unlatching, will be on the DC brushless motor 2 of the energy of energy-storage battery 10 access ventilating fan, until judgement controller 4 thinks that suitable shutoff just close automatically, realize full automatic operation.
If ventilating fan K switch is only manually connected a time that is less than default (as being less than 10 seconds) at the beginning time, have no progeny and reclose again in pass, the control circuit of processing due to ventilating fan switch motion detection and signal can be monitored the time of connecting for the first time and maintain the charging of capacitor C 1, after ventilating fan K switch disconnects, relay RL2 will disconnect immediately and stopping capacitor C 1 charging, and, within the default time (as 10 seconds) relay R L2 by no longer to ventilating fan K switch close or ON Action has any new response and remains on original off state.Therefore, manually connecting for the first time the quantity of electric charge that ventilating fan K switch is filled with capacitor C 1 and can determine length discharge time of electric capacity, when capacitor C 1 undertension is when maintaining the conducting of triode Q2, relay R L1 coil blackout contact disconnects, and ventilating fan will cut off and being connected of civil power automatically.
The detailed process of the control circuit that ventilating fan switch motion detection and signal are processed in the utility model is as follows:
Mainly by voltage comparator LM393(U4), monostable flipflop NE555(U1), with a door 4081(U2) and triode promotion circuit Q5 form.
When ventilating fan K switch is connected, civil power by bridge rectifier BR1 rectification after, through resistance R 3,3 pin by continuous high level of input to voltage comparator U4, it is output as high level and can not suddenlys change because of electric capacity both end voltage through C4() be added to 4081 input ends, at this moment monostable flipflop, because not having trigger signal to be output as 0, is output as 1 after not gate is anti-phase, is added to 4081 input ends simultaneously, be output as 1 with door, triode Q5 conducting.There is electric current to pass through relay R L2, make contact.To maximum value, (about 10S is adjustable in capacitor C 4 chargings (comparator output-C4-R16) afterwards, by R16 and C4, determined), capacitance open circuit, 4081 inputs become 0 from 1,4081 be output as 0, triode Q5 cut-off, its normally opened contact of the coil blackout of RL2 cuts off, C1 in the upper left corner (main body Timer Controlling part) stops charging, completes control action.
When ventilating fan K switch disconnects, when jumping to low level by high level, monostable flipflop is triggered, the temporary stable state of output high level 1(, sustainable 10S is adjustable, by R4, RV1 and C5, is determined), after phase inverter 4069, for 0 pair of AND circuit of low level, realize self-locking effect.Now be output as 0 with door, triode disconnects.Preset Time (as 10S) is even interior applied signal voltage generation saltus step, as from low to high or from high to low, because of with door self-locking triode remain open state, until the temporary stable state time of monostable flipflop is just accepted to trigger later again, meet the control requirement of master timer control circuit control section.
In most preferred embodiment of the present utility model, as shown in Figure 3, described shell 1 is arranged on a mounting bracket 12, described mounting bracket 12 is provided with semicircle mounting hole on relative two limits, described shell 1 is being provided with installation shaft 13 with described mounting bracket 12 first circular mounting hole corresponding parts, and installation shaft 13 1 sides are provided with for limiting the limiting stopper 14 of installation shaft angle of swing.Can in several angle, rotate ventilating fan, general control is 15 ° of-30 ° of left and right.
Further, described shell 1 is provided with oval guard shield in the side towards described fan blade, described shell is provided with circular guard shield 15 in a side of described fan blade dorsad, described oval guard shield and described circular guard shield 15 form narrow wide ventilation channel, because the area of described circular guard shield 15 is greater than described oval guard shield, the circulation of air of obvious described circular guard shield 15 1 sides is greater than described oval guard shield, thereby formation negative pressure, increase air circulation, improved ventilation efficiency.
Photovoltaic module 11 can calculate with at present business-like preferred efficiency 15.7% with BIPV building integrated photovoltaic component preferably copper indium gallium selenide film battery design, and the photovoltaic module area that electric motor power 20Wp needs is 0.128m 2.This area extremely easily just can reach for the bathroom window window head of China family, and more common fixed window women's head-ornaments long-pending (removing after the area of ventilating fan part) are general equal can be at 0.26 m 2above, than above-mentioned required area value, to be twice.That is to say, the most conservative estimation, outside the area that the fixed window head eliminating ventilating fan of bathroom window takies, remainder is all designed to preferred CIGS thin-film solar cell, and component power can be sure more than 20Wp.
Described DC brushless motor 2 motor that preferably 12V power is 18W, because it has the energy conversion efficiency higher than alternating current 220V motor, uses this motor can meet or exceed the air displacement per minute of common main flow motor in Household bathroom on the market.
Described photovoltaic module 11 electric motor powers are calculated by conservative 20Wp, to obtain above peak value sunshine hour number estimation in 0.5 hour average annual every day, this value is equivalent to be arranged on fixing below 1/6 of photovoltaic plant whole nation solar radiation resource mean value, ground, the overall efficiency loss that taking into account system discharges and recharges etc. again, relies on energy average every day of photovoltaic generation can be for time of ventilating fan work just more than 0.5 hour.Generally speaking, total duration that this work duration of ventilating fan is had a bath with the family member of typical three-person household every day is compared substantially can be corresponding, adopts as seen the utility model can significantly reduce energy consumption.
If user has more need for electricity or user bathroom window sunlight resource to be blocked when relatively many, also can consider except fixed window head, two fan Flat sliding windows parts of bathroom window are installed to described photovoltaic module 11 too, and generated energy can be accomplished suitable abundant.But the electrical connection that this design needs emphasis to consider that solution assembly is exported need accomplish firmly and as far as possible to exceed the original outward appearance of destruction.In addition, if can select the described photovoltaic module 11 of similar light oyster white material, visually can more approach traditional glass frosted finish effect, can be more excellent on general effect.
About the type selecting of energy-storage battery described in the utility model 10, lithium polymer battery is first elected in technical the most suitable the working as of existing market.This wherein has two kinds of optional design proposals at least: conventional design is that the lithium polymer battery series connection of three same specifications is used, and can more like a cork battery pack be made to long strip and be encapsulated in by frame.Scheme relatively maturation and cost is better controlled, and the key of technology is three charge and discharge balancings between battery.Another kind of design proposal, it is the lithium polymer battery of only using single relative high power capacity, coordinate DC/DC module to implement, the lithium polymer battery of this scheme general Xu Zhao producer long strip customized, cost is relatively slightly high, but can extending battery life, and the combination of comparing three batteries series connection of the early failue probability of energy-storage battery has more obviously and declines.Capacity as for described energy-storage battery 10, general recommendations can be by 2~4.5 times of photovoltaic module average annual every day of generated energy, can be according to the assessment of the actual power consumption of end user, coordinate the main rule of solar radiation resource, with due regard to the cost etc. of energy-storage battery is done the reasonable adjustment in certain limit.
During staff interventional procedure, press ventilating fan switch, civil power electric energy will be immediately make it enforced opening through described time switch 6 input ventilating fans, and after the duration of described time switch 6 time delays, automatically thoroughly close and being connected of civil power.User delay time to before also can manually disconnect described ventilating fan switch 7 the direct power-off of ventilating fan is closed.
Such as the duration of connecting first when described ventilating fan switch 7 during more than 3 seconds, the delay value of the described time switch 6 of generation will be between 30 minutes to 60 minutes, are specially described ventilating fan switch 7 and connect first 600 times of duration.For example as described in ventilating fan switch 7 connect first 4.5 seconds, the delay value of described time switch 6 will be 45 minutes.Because the upper limit of delay value is made as 60 minutes, therefore more than 6 seconds connect first duration and will no longer include influence factor to the delay value of described time switch 6.Also can draw thus, traditional ventilating fan switching manipulation custom, owing to there is no the process of of short duration cut-out, is equivalent to be greater than on time first 6 seconds, has been CLV ceiling limit value, is therefore that after 60 minutes, described time switch 6 disconnects automatically equally.When the delay value time one of described time switch 6, arrive, though described ventilating fan switch 7 still in opening state, due to the automatic cut-out of described time switch 6 delay values, ventilating fan also will disconnect completely with civil power.If now need again pass through city's electric-opening ventilating fan, reopen again after described ventilating fan switch 7 is turned off.
The timing length of the Intelligent fixed time switch 21 that described judgement controller 4 is connected, to provide the value that comprises total duration according to the composite factors such as dump energy of humidity difference, absolute temperature difference and energy-storage battery, and the time-optimized curve of power in timing section etc.As less in indoor and outdoor humidity difference, but while not reaching halt condition, ventilating fan power is turned down, can in natural convection ventilation, be aided with certain initiative exhaust.And the value of the timing length of Intelligent fixed time switch 21 also can, in the operation working procedure of ventilating fan, constantly dynamically be made further intense adjustment according to the variation of sensing data.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims (7)

1. the ventilating fan with photo-voltaic power supply, it is characterized in that, it comprises shell, DC brushless motor and fan blade, described fan blade is arranged on the running shaft in described shell, the pto=power take-off of described DC brushless motor is connected with described running shaft, described DC brushless motor is connected with motor driver circuit, described motor driver is connected with judgement controller circuitry, described judgement controller is connected with a solar converter, described solar converter respectively with energy-storage battery, photovoltaic module connection, described solar converter is converted into electric energy for the solar radiant energy that described photovoltaic module is obtained, be delivered to described energy-storage battery.
2. the ventilating fan with photo-voltaic power supply according to claim 1, it is characterized in that, described motor driver also with ten second of the three ten-day periods of the hot season DC converter circuit be connected, described ten second of the three ten-day periods of the hot season DC converter and time switch connection, described time switch is connected with ventilating fan switching circuit, and described ventilating fan switch is connected with commercial power interface.
3. the ventilating fan with photo-voltaic power supply according to claim 1, it is characterized in that, between described solar converter and described photovoltaic module, access a component power detector, described component power detector is connected with an index determining device, described index determining device respectively with alarm, described energy-storage battery connection.
4. the ventilating fan with photo-voltaic power supply according to claim 1, is characterized in that, described judgement controller is connected with indoor and outdoor psychrometric difference sensor, kelvin temperature gap sensor, Intelligent fixed time switching circuit in being arranged on exhaust space.
5. the ventilating fan with photo-voltaic power supply according to claim 1, is characterized in that, is provided with for connecting the bluetooth transmitters of external detection equipment on described DC brushless motor.
6. the ventilating fan with photo-voltaic power supply according to claim 1, it is characterized in that, described shell is arranged on a mounting bracket, described mounting bracket is provided with semicircle mounting hole on relative two limits, described shell is being provided with installation shaft with first circular mounting hole corresponding part of described mounting bracket, and installation shaft one side is provided with for limiting the limiting stopper of installation shaft angle of swing.
7. the ventilating fan with photo-voltaic power supply according to claim 6, it is characterized in that, described shell is provided with oval guard shield in the side towards described fan blade, described shell is provided with circular guard shield in a side of described fan blade dorsad, and described oval guard shield and described circular guard shield form narrow wide ventilation channel.
CN201420377301.1U 2014-07-09 2014-07-09 A kind of ventilating fan with photo-voltaic power supply Active CN203978879U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322627A (en) * 2016-08-19 2017-01-11 李泓胜 Intelligent home indoor humidity control and regulation device
CN106322628A (en) * 2016-08-19 2017-01-11 李泓胜 Humidity-adjustment bidirectional motor structure applicable to smart home
CN106382706A (en) * 2016-08-19 2017-02-08 李泓胜 Intelligent household indoor humidity regulating method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322627A (en) * 2016-08-19 2017-01-11 李泓胜 Intelligent home indoor humidity control and regulation device
CN106322628A (en) * 2016-08-19 2017-01-11 李泓胜 Humidity-adjustment bidirectional motor structure applicable to smart home
CN106382706A (en) * 2016-08-19 2017-02-08 李泓胜 Intelligent household indoor humidity regulating method
CN106382706B (en) * 2016-08-19 2020-11-03 苏州甫腾智能科技有限公司 Method for adjusting indoor humidity of intelligent home
CN106322628B (en) * 2016-08-19 2020-11-03 苏州甫腾智能科技有限公司 Humidity control bidirectional motor structure suitable for intelligent home

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