CN104456863B - Humidifier and control method and circuit thereof - Google Patents
Humidifier and control method and circuit thereof Download PDFInfo
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- CN104456863B CN104456863B CN201310439959.0A CN201310439959A CN104456863B CN 104456863 B CN104456863 B CN 104456863B CN 201310439959 A CN201310439959 A CN 201310439959A CN 104456863 B CN104456863 B CN 104456863B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003595 mist Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
-
- 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
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a humidifier and a control method and circuit thereof. Wherein, the control circuit of humidifier includes: an encoder having a rotation shaft and a first switch, for outputting a data signal corresponding to a rotation direction of the rotation shaft and a switching state of the first switch; and the controller is connected with the signal output end of the encoder and used for controlling the humidifier according to the data signal. According to the invention, the problem that the control circuit of the humidifier in the prior art is complex is solved, and the effects of reducing the complexity and cost investment of the control circuit are further achieved.
Description
Technical field
The present invention relates to humidifier field, in particular to a kind of humidifier and its control method and circuit.
Background technology
At present, for the control of humidifier, switching on and shutting down control, display function adjusting and the adjusting of mist amount etc. are generally comprised, on
The realization of function is stated, generally requires the synergistic effect of multiple buttons, this control circuit for allowing for humidifier is needed while taken into account
The operation of multiple buttons, causes the control circuit of humidifier complex.
For humidifier in correlation technique control circuit it is complex the problem of, not yet propose effective solution party at present
Case.
The content of the invention
It is a primary object of the present invention to provide a kind of humidifier and its control method and circuit, to solve in the prior art
The problem of control circuit of humidifier is complex.
To achieve these goals, according to an aspect of the invention, there is provided a kind of control circuit of humidifier, bag
Include：Encoder, has rotation axis and first switch, for exporting the switch shape with the direction of rotation of rotation axis and with first switch
The corresponding data-signal of state；And controller, it is connected with the signal output part of encoder, for adding according to data-signal control
Wet device.
Further, the 3rd switch that encoder also has second switch and is connected with second switch, wherein, encoder
Direction of rotation is represented by the change order of second switch and the 3rd on off state switched.
Further, data-signal includes level signal corresponding with the on off state of first switch and the rotation with rotation axis
Turning the corresponding pulse signal in direction, signal output part includes one-channel signal output terminal and simple two-way signal output terminal, wherein, first opens
Connection is connected between one-channel signal output terminal and signal ground, and one-channel signal output terminal is used for outputs level signals, second switch with
3rd switch series connection, and second switch is connected with the first output terminal of simple two-way signal output terminal, and the 3rd switch is believed with two-way
Second output terminal of number output terminal is connected, and the connecting node between second switch and the 3rd switch is connected to signal ground, two-way
Signal output part is used for output pulse signal.
Further, control circuit further includes：DC power supply；First resistor, first end are connected with DC power supply, and second
End is connected to first node, wherein, node of the first node between first switch and one-channel signal output terminal；Second resistance,
First end is connected with DC power supply, and second end is connected to section point, wherein, section point is second switch and simple two-way signal
Node between first output terminal of output terminal；And 3rd resistor, first end are connected with DC power supply, second end is connected to
3rd node, wherein, node of the 3rd node between the 3rd switch and the second output terminal of simple two-way signal output terminal.
Further, controller includes：Main control chip, has one-channel signal input terminal and simple two-way signal input terminal, single channel
Signal input part is connected with one-channel signal output terminal, and simple two-way signal input terminal is connected with simple two-way signal output terminal, for root
According to level signal and pulse signal control humidifier.
Further, first switch is touch key.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of humidifier, including the present invention are above-mentioned
The control circuit for any humidifier that content is provided.
To achieve these goals, according to the third aspect of the invention we, there is provided a kind of control method of humidifier, application
In the humidifier that the above of the present invention is provided, wherein, the control circuit of humidifier includes having rotation axis and first switch
Encoder, control method includes：Receive data letter corresponding with the direction of rotation of rotation axis and the on off state of first switch
Number；And control humidifier according to data-signal.
Further, encoder also have second switch and be connected with second switch the 3rd switch, wherein, by with
Under type determines direction of rotation：Monitor the change order of the on off state of second switch and the 3rd switch；Judging change order is
No is the first preset order or the second preset order, wherein, the first preset order is is changed into second switch by closure state
After off-state, the 3rd switch is changed into off-state by closure state, and the second preset order is by disconnecting in the 3rd switch
State is changed into after closure state, and second switch is changed into closure state by off-state；And judging change order
In the case of for the first preset order, it is first direction to determine direction of rotation, or is judging that change order is default suitable for second
In the case of sequence, it is second direction to determine direction of rotation, wherein, first direction is clockwise direction, second direction is counterclockwise
Direction, or first direction is counter clockwise direction, second direction is clockwise.
The present invention is used with the control circuit of the humidifier of lower structure：Encoder, has rotation axis and first switch,
For exporting and the direction of rotation of rotation axis and data-signal corresponding with the on off state of first switch；And controller, with
The signal output part of encoder is connected, for controlling humidifier according to data-signal.There is rotation axis and first by setting
The encoder of switch, realizes and humidifier is controlled with the encoder of a belt switch, without setting multiple buttons, solution
Determined humidifier in the prior art control circuit it is complex the problem of, and then reduction control circuit complexity and into
The effect of this input.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the control circuit of humidifier according to embodiments of the present invention；
Fig. 2 is the physical circuit figure of the control circuit of humidifier according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the pulse signal of the simple two-way signal output terminal output of the control circuit in Fig. 2；And
Fig. 4 is the flow chart of the control method of humidifier according to embodiments of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
An embodiment of the present invention provides a kind of control circuit of humidifier, the humidification provided below the embodiment of the present invention
The control circuit of device is specifically introduced：
Fig. 1 is the schematic diagram of the control circuit of humidifier according to embodiments of the present invention, as shown in Figure 1, the embodiment
The control circuit of humidifier mainly includes encoder 10 and controller 20, wherein：
Encoder 10 has rotation axis（Not shown in figure）With first switch K1, which is used to export and rotation axis
Direction of rotation and data-signal corresponding with the on off state of first switch K1, based on such a structure, user can pass through tune
Mist amount size to humidifier is carried out in the direction of rotation of section rotation axis, lamplight brightness it is high it is low is adjusted, and pass through triggering the
One switch K1 closures are disconnected to be operated to the switch of humidifier, and specifically, first switch K1 is touch key, and user is also
Different operations can be performed by long-press or short-press first switch K1.
Controller 20 is connected with the signal output part of encoder 10, for controlling humidifier according to data-signal, due to
Data-signal is signal corresponding with the on off state of the direction of rotation of rotation axis and first switch K1, and the rotation side of rotation axis
It is to follow the operation of user and change again to the on off state with first switch K1, so data-signal can reflect exactly
The operational order of user, and then control humidifier according to data-signal.
The control circuit for the humidifier that the embodiment of the present invention is provided, by setting the volume with rotation axis and first switch
Code device, realizes and humidifier is accurately controlled with the encoder of a belt switch, without setting multiple buttons, solves
The problem of control circuit of humidifier is complex in the prior art, and then reduction control circuit complexity and cost are thrown
The effect entered.
Further, above-mentioned data-signal include level signal corresponding with the on off state of first switch K1 and with rotation
The corresponding pulse signal in direction of rotation of axis, level signal are exported to control by the one-channel signal output terminal key0 of signal output part
Device 20 processed, the first end RL0 and second end RR0 of the simple two-way signal output terminal that pulse signal passes through signal output part are exported to control
Device 20, is said with reference to the physical circuit figure of the control circuit of the humidifier of the embodiment of the present invention shown in Figure 2 in detail below
It is bright, as shown in Fig. 2, the 3rd switch K3 that encoder 10 also has second switch K2 and is connected with second switch K2, wherein, compile
Code device 10 represents direction of rotation by the change order of the on off state of the switches of second switch K2 and the 3rd K3, and first switch K1 connects
Be connected between one-channel signal output terminal and signal ground, the switch K3 series connection of second switch K2 and the 3rd, and second switch K2 with it is double
First output terminal of road signal output part is connected, and the 3rd switch K3 is connected with the second output terminal of simple two-way signal output terminal,
Connecting node between the switches of second switch K2 and the 3rd K3 is connected to signal ground.
In order to ensure the level signal of one-channel signal output terminal output can accurately reflect the on off state of first switch K1,
And ensure that the pulse signal of simple two-way signal output terminal output can accurately reflect the direction of rotation of rotation axis, the embodiment of the present invention
Control circuit also mainly include DC power supply VCC, first resistor R1, second resistance R2 and 3rd resistor R3, specifically：
The first end of first resistor R1 is connected with DC power supply VCC, and the second end of first resistor R1 is connected to first segment
Point n1, wherein, nodes of the first node n1 between first switch K1 and one-channel signal output terminal key0.
The first end of second resistance R2 is connected with DC power supply VCC, and the second end of second resistance R2 is connected to the second section
Point n2, wherein, nodes of the section point n2 between second switch K2 and the first output terminal RL0 of simple two-way signal output terminal.
The first end of 3rd resistor R3 is connected with DC power supply VCC, and the second end of 3rd resistor R3 is connected to Section three
Point n3, wherein, the 3rd node n3 is the node between the 3rd switch K3 and the second output terminal RR0 of simple two-way signal output terminal.
The control circuit of detailed description below said structure produces level signal and the principle of pulse signal：
On level signal：When first switch K1, which is in, to be pressed under state, first switch K1 is turned on, and one-channel signal is defeated
Outlet exports low level signal, and when first switch K1, which is in, not to be pressed under state, first switch K1 is remained open, single channel letter
Number output terminal output high level signal, therefore, controller 20 can determine first according to the height of the level signal received
Switch the on off state of K1.Further, controller 20 can also be to the low level signal that is received from one-channel signal output terminal
Duration be monitored, to judge that first switch K1 is in long-press state or short-press state.
On pulse signal：Rotation axis based on for triggering rotary course in, produced in rotation axis rotary course
Stress can be applied on the switches of second switch K2 and the 3rd K3, when being rotated according to a direction, first force second switch K2 to close
Close, then force the 3rd switch K3 closures again, correspondingly, after direction of rotation is changed, the 3rd switch K3 of closure can be disconnected first,
Then the second switch K2 closed is disconnected.Wherein, a so-called direction can be counterclockwise, correspondingly, after change
Direction of rotation is then that clockwise, alternatively, a so-called direction is clockwise, then the direction of rotation after changing is inverse
Clockwise, the control circuit of corresponding said structure, when second switch is changed into closure state by off-state, simple two-way signal is defeated
The pulse of the first output terminal RL0 outputs of outlet is in trailing edge, conversely, rising edge is in, the second of simple two-way signal output terminal
Similarly, therefore, controller 20 can determine second according to the saltus step for receiving pulse signal for the pulse of output terminal RR0 outputs
Switch the change order of the on off state of the switches of K2 and the 3rd K3.As shown in figure 3, it is defeated to diagrammatically illustrate simple two-way signal output terminal
The pulse signal and the correspondence of on off state gone out.
Further, the control circuit of the embodiment of the present invention, which further includes, is connected to first node n1 and one-channel signal output terminal
The 4th resistance R4 between key0, be connected between section point n2 and the first output terminal RL0 of simple two-way signal output terminal
Five resistance R5 and the 6th resistance R6 being connected between the 3rd node n3 and the second output terminal RR0 of simple two-way signal output terminal.
By being respectively provided with resistance in the front end of one-channel signal output terminal and simple two-way signal output terminal so that from corresponding output end
The current reduction of the signal of output, avoids the electric current that encoder 10 exports signal excessive, and then avoids excessive electric current to follow-up
The impact of circuit, has reached the security for improving circuit.
Further, the control circuit of the embodiment of the present invention further includes capacitance C3 and capacitance C4, wherein, capacitance C3 connections
Between section point n2 and signal ground, capacitance C4 is connected between the 3rd node n3 and signal ground.
By setting capacitance C3 and capacitance C4 in simple two-way signal output terminal front end, realize and simple two-way signal output terminal is exported
Pulse signal carry out debounce, avoid pulse signal from shaking, reached improve signal transmission stability.
Accordingly, controller 20 includes having one-channel signal input terminal key1 and simple two-way signal input terminal（RL1 and RR1）'s
Master control chip, wherein, one-channel signal input terminal is connected with one-channel signal output terminal, simple two-way signal input terminal and simple two-way signal
Output terminal is connected, for controlling humidifier according to level signal and pulse signal.For example Master control chip is according to level signal
The signal Control-1 for being started by the first control output end output control humidifier or being closed, passes through the according to level signal
The signal Control-2 that the water tank ornament lamp of two control output end output control humidifiers starts or closes, according to pulse signal
The pulsewidth modulation of conditioning moisturer mist amount size is exported by the first control output end（Pulse-Width Modulation, letter
Claim PWM）Signal.
Wherein, the control circuit of the embodiment of the present invention further includes the filter circuit being connected with Master control chip, in fig. 2
In the physical circuit figure shown, filter circuit include being connected to capacitance C1 between the power end of Master control chip and ground terminal and
Capacitance C2.
The embodiment of the present invention additionally provides a kind of humidifier, which can include the above of the embodiment of the present invention
The humidifier of the control circuit of any humidifier provided.
The embodiment of the present invention additionally provides a kind of control method of humidifier, which can be applied to of the invention real
The control circuit and humidifier for any humidifier that the above is provided are applied, is mainly used in adding with lower structure
Wet device：The control circuit of the humidifier includes the encoder with rotation axis and first switch, and the detailed description below present invention is real
Apply the control method of the humidifier of example：
Fig. 4 is the flow chart of the control method of humidifier according to embodiments of the present invention, as shown in figure 4, the embodiment
The control method of humidifier includes the following steps S402 and S404：
S402：Receive data-signal corresponding with the direction of rotation of rotation axis and the on off state of first switch.
Since the control circuit of humidifier includes the encoder with rotation axis and first switch, based on such a structure, use
Family can by adjusting the direction of rotation of rotation axis come the mist amount size to humidifier, lamplight brightness it is high it is low is adjusted, with
And the switch of humidifier operated by triggering first switch closure or disconnecting, specifically, first switch for touch by
Key, user can also perform different operations by long-press or short-press first switch.
S404：Humidifier is controlled according to data-signal.
Since data-signal is signal corresponding with the on off state of the direction of rotation of rotation axis and first switch, and rotate
The direction of rotation of axis and the on off state of first switch are to follow the operation of user and change again, so data-signal can be accurate
Really reflect the operational order of user, and then humidifier is controlled according to data-signal.
The control method for the humidifier that the embodiment of the present invention is provided, by based on the volume with rotation axis and first switch
Code device receives the operational order of user, realizes and humidifier is accurately controlled with the encoder of a belt switch, without
Multiple buttons are set, solve the problems, such as that the control circuit of humidifier in the prior art is complex, and then reduce control
The effect of circuit complexity and cost input processed.
Further, the 3rd switch that encoder also has second switch and is connected with second switch, the present invention are implemented
Example provides a kind of mode that direction of rotation is determined based on second switch and the 3rd switch, is specially：
First, the change order of the on off state of second switch and the 3rd switch is monitored, specifically, can be used any one
The mode that kind is monitored on off state, the monitoring switch state that the above of the embodiment of the present invention can also be used to be provided
Mode, details are not described herein again.
Secondly, judge whether change order is the first preset order or the second preset order, wherein, the first preset order is
After second switch is changed into off-state by closure state, the 3rd switch is changed into off-state by closure state, and second
Preset order is that second switch is changed into closure by off-state after the 3rd switch is changed into closure state by off-state
State.
Then, in the case where judging that change order is the first preset order, it is first direction to determine direction of rotation, or
In the case where judging that change order is the second preset order, it is second direction to determine direction of rotation, wherein, first direction is
Clockwise, second direction is counter clockwise direction, or first direction is counter clockwise direction, second direction is clockwise.
It can be seen from the above description that the present invention, which realizes, need not set multiple buttons, reduce control circuit and answer
Miscellaneous degree and cost input.
It should be noted that step shown in the flowchart of the accompanying drawings can be in such as a group of computer-executable instructions
Performed in computer system, although also, show logical order in flow charts, in some cases, can be with not
The order being same as herein performs shown or described step.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention be not restricted to it is any specific
Hardware and software combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
- A kind of 1. control circuit of humidifier, it is characterised in that including：Encoder (10), has rotation axis and first switch (K1), for export with the direction of rotation of the rotation axis and with institute State the corresponding data-signal of on off state of first switch (K1)；AndController (20), is connected with the signal output part of the encoder (10), for controlling institute according to the data-signal State humidifier,Wherein, the 3rd switch that the encoder (10) also has second switch (K2) and is connected with the second switch (K2) (K3), wherein, the encoder (10) pass through the second switch (K2) and it is described 3rd switch (K3) on off state change Change order represents the direction of rotation；Wherein, the controller (20) includes：Capacitance (C3), is connected to section point and signal ground；Capacitance (C4), is connected to Three nodes and the signal ground.
- 2. control circuit according to claim 1, it is characterised in that the data-signal includes and the first switch The corresponding level signal of on off state and pulse signal corresponding with the direction of rotation of the rotation axis, the signal output part bag One-channel signal output terminal and simple two-way signal output terminal are included, wherein,The first switch (K1) is connected between the one-channel signal output terminal and the signal ground, the one-channel signal output End is used to export the level signal,The second switch (K2) and the 3rd switch (K3) series connection, and the second switch (K2) and the simple two-way signal First output terminal of output terminal is connected, and the 3rd switch (K3) is connected with the second output terminal of the simple two-way signal output terminal Connect, the connecting node between the second switch (K2) and the 3rd switch (K3) is connected to the signal ground, the two-way Signal output part is used to export the pulse signal.
- 3. control circuit according to claim 2, it is characterised in that the control circuit further includes：DC power supply (VCC)；First resistor (R1), first end are connected with the DC power supply (VCC), and second end is connected to first node, wherein, institute State node of the first node between the first switch (K1) and the one-channel signal output terminal；Second resistance (R2), first end are connected with the DC power supply (VCC), and second end is connected to the section point, its In, node of the section point between the second switch (K2) and the first output terminal of the simple two-way signal output terminal； And3rd resistor (R3), first end are connected with the DC power supply (VCC), and second end is connected to the 3rd node, its In, node of the 3rd node between the described 3rd switch (K3) and the second output terminal of the simple two-way signal output terminal.
- 4. control circuit according to claim 2, it is characterised in that the controller (20) includes：Main control chip, has one-channel signal input terminal and simple two-way signal input terminal, the one-channel signal input terminal and the single channel Signal output part is connected, and the simple two-way signal input terminal is connected with the simple two-way signal output terminal, for according to the electricity Ordinary mail number and the pulse signal control the humidifier.
- 5. control circuit according to claim 3, it is characterised in that the controller (20) includes：4th resistance (R4), is connected to the first node and the one-channel signal output terminal；5th resistance (R5), is connected to the first output terminal of the section point and the simple two-way signal output terminal；6th resistance (R6) is connected to the second output terminal of the 3rd node and simple two-way signal output terminal.
- 6. control circuit according to any one of claim 1 to 5, it is characterised in that the first switch (K1) is light Touch of key-press.
- 7. a kind of humidifier, it is characterised in that include the control circuit of the humidifier any one of claim 1 to 5.
- A kind of 8. control method of humidifier, it is characterised in that applied to the humidifier described in claim 7, wherein, it is described to add The control circuit of wet device includes the encoder with rotation axis and first switch, and the control method includes：Receive data-signal corresponding with the on off state of the direction of rotation and the first switch of the rotation axis；AndThe humidifier is controlled according to the data-signal.
- 9. control method according to claim 8, it is characterised in that the encoder also have second switch and with it is described The 3rd switch that second switch is connected, wherein, the direction of rotation is determined in the following manner：Monitor the change order of the on off state of the second switch and the 3rd switch；Judge whether change order is the first preset order or the second preset order, wherein, first preset order is After the second switch is changed into off-state by closure state, the 3rd switch is changed into disconnection shape by closure state State, second preset order are the second switch after the described 3rd switch is changed into closure state by off-state Closure state is changed into by off-state；AndIn the case where judging that the change order is first preset order, it is first party to determine the direction of rotation To, or in the case where judging that the change order is second preset order, it is second party to determine the direction of rotation To, wherein, the first direction is clockwise direction, the second direction is counter clockwise direction, or the first direction is inverse Clockwise, the second direction is clockwise.
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| JPS6298146A (en) * | 1985-10-24 | 1987-05-07 | Mitsubishi Electric Corp | System for controlling a plurality of apparatuses |
| JPH09152176A (en) * | 1995-11-30 | 1997-06-10 | Sanyo Electric Co Ltd | Air conditioning system |
| CN101808712A (en) * | 2007-08-08 | 2010-08-18 | 熊津豪威株式会社 | Air cleaner |
| CN101749836A (en) * | 2008-12-20 | 2010-06-23 | 珠海格力电器股份有限公司 | Humidifier control system and humidifier applying same |
| CN201694134U (en) * | 2010-02-03 | 2011-01-05 | 重庆迪马工业有限责任公司 | Vehicle-mounted switching signal processing circuit |
| CN203478509U (en) * | 2013-09-24 | 2014-03-12 | 珠海格力电器股份有限公司 | Humidifier and control circuit thereof |
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| CN104456863A (en) | 2015-03-25 |
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