CN104848417A - Dehumidification system and control method - Google Patents

Dehumidification system and control method Download PDF

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Publication number
CN104848417A
CN104848417A CN201510188833.XA CN201510188833A CN104848417A CN 104848417 A CN104848417 A CN 104848417A CN 201510188833 A CN201510188833 A CN 201510188833A CN 104848417 A CN104848417 A CN 104848417A
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China
Prior art keywords
water level
storage device
water storage
climb
dehumidification system
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Granted
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CN201510188833.XA
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Chinese (zh)
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CN104848417B (en
Inventor
朱俊
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only

Abstract

The invention discloses a control method of a dehumidification system. The dehumidification system comprises a water storage device. The control method comprises the steps that the water level in the water storage device is detected every sampling period; the water level rising speed in the water storage device is acquired according to the water level detection in the water storage device, and the humidity range of current air is acquired according to the water level rising speed; whether the dehumidification system is closed is judged according to the humidity range of the current air. According to the dehumidification system, the air humidity can be regulated automatically, and the user experience is improved. The invention further discloses the dehumidification system.

Description

Dehumidification system and control method thereof
Technical field
The present invention relates to household electrical appliance technical field, particularly a kind of control method of dehumidification system and a kind of dehumidification system.
Background technology
Dehumidifier is a kind of air conditioning household electrical appliance deeply liked by consumer.At present, because air humidity sensor is expensive, common dehumidifier does not have humidity displaying function, user can only the open and close of Non-follow control dehumidifier to regulate the humidity of room air.
Such as, when user's body sense is moister, open dehumidifier; When user's body sense is drier, close dehumidifier.But because user's body sense lags behind the humidity of actual room air, therefore, when not feeling well when user's body sense drying, room air is now too dry, reduces Consumer's Experience.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, one object of the present invention is the control method proposing a kind of dehumidification system, can realize the automatic adjustment to air humidity, improves Consumer's Experience.
Another object of the present invention is to propose a kind of dehumidification system.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of control method of dehumidification system, and described dehumidification system comprises water storage device, and described control method comprises the following steps: S1, detects the water level in described water storage device every a sampling period; S2, obtains the water level rate of climb in described water storage device according to the water level in the described water storage device detected, and between the humidity province obtaining present air according to the described water level rate of climb; And S3, judge whether between the humidity province according to described present air to close described dehumidification system.
According to the control method of the dehumidification system of the embodiment of the present invention, the water level in water storage device is detected every a sampling period, the water level rate of climb in water storage device is obtained according to the water level in the water storage device detected, and according to the water level rate of climb obtain present air humidity province between, and judge whether between humidity province according to present air to close dehumidification system, thus the automatic adjustment realized air humidity, make air humidity reach desired air humidity, improve Consumer's Experience.
According to one embodiment of present invention, in step sl, the water level in described water storage device is detected by water level detection circuit, wherein, described water level detection circuit comprises the detection resistance be arranged in described water storage device, the resistivity of described detection resistance in water is the first resistivity, and the aerial resistivity of described detection resistance is the second resistivity.
Wherein, the water level in described water storage device is obtained by following formulae discovery:
h = R - ρ 2 H ρ 1 - ρ 2 = E - ρ 2 HI ( ρ 1 - ρ 2 ) I
Wherein, h is the water level in described water storage device, and R is the resistance of described detection resistance, ρ 1for described first resistivity, ρ 2for described second resistivity, E is the voltage at described detection resistance two ends, and I is the electric current flowing through described detection resistance, and H is the height of described water storage device, and the height of described water storage device is equal with the length of described detection resistance.
According to one embodiment of present invention, in step s 2, the water level rate of climb in described water storage device is obtained according to following formula:
v n = h n - h n - 1 T
Wherein, v nfor the water level rate of climb in described water storage device, h nbe n-th time detect described water storage device in water level, h n-1be (n-1)th time detect described water storage device in water level, T is the described sampling period.
According to one embodiment of present invention, between the humidity province according to described water level rate of climb acquisition present air, specifically comprise: obtain the relation between air humidity a reference value and the water level rate of climb preset; According to the described water level rate of climb and the Relation acquisition between described default air humidity a reference value and the water level rate of climb present air humidity province between.
According to one embodiment of present invention, in step s3, if the desired air humidity value preset be more than or equal to described present air humidity province between higher limit, then close described dehumidification system.
According to one embodiment of present invention, the control method of above-mentioned dehumidification system also comprises: judge whether the water level in described water storage device reaches preset water level; If judge that the water level in described water storage device reaches described preset water level, then send early warning.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of dehumidification system, and comprising: water storage device, described water storage device is for storing the water produced when described dehumidification system carries out dehumidifying work; Water level detection circuit, described water level detection circuit detects the water level in described water storage device every a sampling period; And main control unit, described main control unit is connected with described water level detection circuit, described main control unit is used for the water level rate of climb obtained according to the water level in the described water storage device detected in described water storage device, and between the humidity province obtaining present air according to the described water level rate of climb, and judge whether to close described dehumidification system between humidity province according to described present air.
According to the dehumidification system that the embodiment of the present invention proposes, water level detection circuit detects the water level in water storage device every a sampling period, main control unit obtains the water level rate of climb in water storage device according to the water level in the water storage device detected, and according to the water level rate of climb obtain present air humidity province between, and judge whether between humidity province according to present air to close dehumidification system, thus the automatic adjustment realized air humidity, make air humidity reach desired air humidity, improve Consumer's Experience.
According to one embodiment of present invention, described water level detection circuit comprises the detection resistance be arranged in described water storage device, and the resistivity of described detection resistance in water is the first resistivity, and the aerial resistivity of described detection resistance is the second resistivity.
Wherein, the water level in described water storage device is obtained by following formulae discovery:
h = R - ρ 2 H ρ 1 - ρ 2 = E - ρ 2 HI ( ρ 1 - ρ 2 ) I
Wherein, h is the water level in described water storage device, and R is the resistance of described detection resistance, ρ 1for described first resistivity, ρ 2for described second resistivity, E is the voltage at described detection resistance two ends, and I is the electric current flowing through described detection resistance, and H is the height of described water storage device, and the height of described water storage device is equal with the length of described detection resistance.
According to one embodiment of present invention, described main control unit obtains the water level rate of climb in described water storage device according to following formula:
v n = h n - h n - 1 T
Wherein, v nfor the water level rate of climb in described water storage device, h nbe n-th time detect described water storage device in water level, h n-1be (n-1)th time detect described water storage device in water level, T is the described sampling period.
According to one embodiment of present invention, be preset with the relation between air humidity a reference value and the water level rate of climb in described main control unit, and according to the described water level rate of climb and the Relation acquisition between default air humidity a reference value and the water level rate of climb present air humidity province between.
According to one embodiment of present invention, if the desired air humidity value preset be more than or equal to described present air humidity province between higher limit, described main control unit closes described dehumidification system.
According to one embodiment of present invention, above-mentioned dehumidification system also comprises: alarm unit, described alarm unit is connected with described main control unit, wherein, when the water level that described main control unit judges in described water storage device reaches preset water level, described main control unit controls described alarm unit and sends early warning.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the flow chart of the control method of dehumidification system according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of water level detection circuit according to an embodiment of the invention; And
Fig. 3 is the block diagram of dehumidification system according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Control method and the dehumidification system of the dehumidification system that the embodiment of the present invention proposes are described with reference to the accompanying drawings.
Fig. 1 is the flow chart of the control method of dehumidification system according to the embodiment of the present invention, and wherein, dehumidification system comprises water storage device, and as shown in Figure 1, the control method of this dehumidification system comprises the following steps:
S1, detects the water level in water storage device every a sampling period.
Wherein, the sampling period can be demarcated according to actual conditions.
According to one embodiment of present invention, in this step, the water level in water storage device is detected by water level detection circuit, wherein, water level detection circuit comprises the detection resistance be arranged in water storage device, detecting the resistivity of resistance in water is the first resistivity, and detecting the aerial resistivity of resistance is the second resistivity.
Wherein, according to one embodiment of present invention, the water level in water storage device is calculated by following formula (1):
h = R - ρ 2 H ρ 1 - ρ 2 = E - ρ 2 HI ( ρ 1 - ρ 2 ) I - - - ( 1 )
Wherein, h is the water level in water storage device, and R is the resistance detecting resistance, ρ 1be the first resistivity, ρ 2be the second resistivity, E is the voltage detecting resistance two ends, and I flows through the electric current detecting resistance, and H is the height of water storage device, and the height of water storage device is equal with the length detecting resistance.
According to a concrete example of the present invention, as shown in Figure 2, water level detection circuit is formed by power supply, ammeter, switch and detection resistant series, and wherein, detect resistance and be vertically mounted in water storage device, the length detecting resistance is identical with the height of water storage device.
Be made up of special material owing to detecting resistance, its resistivity in water is the first electricalresistivityρ 1, aerial resistivity is the second electricalresistivityρ 2, the water level in water storage device therefore can be calculated according to the current value of ammeter.
Suppose, the current value of ammeter is I, and the voltage of power supply is E, then the resistance R detecting resistance is calculated by following formula (2):
R = E I - - - ( 2 )
Resistance R again owing to detecting resistance meets following formula (3):
R＝ρ 1h+(H-h)ρ 2(3)
Therefore, above-mentioned formula (3) is brought into above-mentioned formula (2) and water level h in water storage device can be calculated, as shown in above-mentioned formula (1).
S2, obtains the water level rate of climb in water storage device according to the water level in the water storage device detected, and between the humidity province obtaining present air according to the water level rate of climb.
According to one embodiment of present invention, in this step, the water level rate of climb in water storage device is obtained according to following formula (4):
v n = h n - h n - 1 T - - - ( 4 )
Wherein, v nfor the water level rate of climb in water storage device, h nbe n-th time detect water storage device in water level, h n-1be (n-1)th time detect water storage device in water level, T is the sampling period.
According to one embodiment of present invention, between the humidity province according to water level rate of climb acquisition present air, specifically comprise: obtain the relation between air humidity a reference value and the water level rate of climb preset; Between the humidity province according to the water level rate of climb and the Relation acquisition present air between default air humidity a reference value and the water level rate of climb.
Particularly, when dehumidification system is with constant power operation, the water level rate of climb in water storage device is relevant with the humidity of present air, if the humidity ratio of present air is larger, then dehumidification system releases water than very fast, and the water level rate of climb in water storage device is than very fast, otherwise meeting is slow, therefore, can be obtained between the humidity province of present air by the water level rate of climb in water storage device.
Such as, dehumidification system runs with firm power P, and the water level in the water storage device of current detection is h n, the water level in the water storage device of front one-time detection is h n-1, then the water level rate of climb that can calculate in current water storage device according to above-mentioned formula (4) is v n, and the water level rate of climb in the current water storage device of calculating is v nbe more than or equal to v i-1and be less than or equal to v i.
And the pass between the air humidity a reference value preset in dehumidification system and the corresponding water level rate of climb is: when air humidity is a 1during %, the water level rate of climb is v 1cm/min; When air humidity is a 2during %, the water level rate of climb is v 2cm/min; The like, when air humidity is a iduring %, the water level rate of climb is v icm/min.
Therefore, according to calculate current water storage device in the water level rate of climb be v nand the relation between the air humidity a reference value preset in dehumidification system and the corresponding water level rate of climb can obtain present air humidity province between be a i-1%-a i%.
Wherein, the air humidity a reference value preset is more with the group number of the corresponding water level rate of climb, and the precision between the humidity province of the present air of acquisition is higher, and the control accuracy of dehumidification system is higher.
Be understandable that, in other embodiments of the invention, the water level rate of climb in water storage device can also be obtained by following formula (5):
v n = h n - h n - m ( n - m ) T - - - ( 5 )
Wherein, h n-mbe the water level in the secondary water storage device detected of the n-th-m, and m > 1.
In addition, according to one embodiment of present invention, the control method of above-mentioned dehumidification system also comprises: judge whether the water level in water storage device reaches preset water level; If judge that the water level stated in water storage device reaches preset water level, then send early warning.
Wherein, preset water level can be demarcated according to actual conditions, and such as, preset water level can be η H, and wherein, η is configurable parameter.Such as, when η=90%, if the water level h >=90%H in water storage device, the water level namely in water storage device reaches 90% of water storage device height, then dehumidification system sends early warning.
S3, judges whether between the humidity province according to present air to close dehumidification system.
According to one embodiment of present invention, in this step, if the desired air humidity value preset be more than or equal to present air humidity province between higher limit, then close dehumidification system.
Wherein, the desired air humidity value preset can be demarcated according to actual conditions.
Specifically, the desired air humidity value preset in the higher limit between the humidity province of the present air of acquisition and dehumidification system is compared, if reach default desired air humidity value, then closes dehumidification system.Such as, the desired air humidity value preset is b%, is a between the humidity province of the present air of acquisition i-1%-a i%, if a i% < b%, then represent that the humidity of present air meets default desired air humidity value, now needs to close dehumidification system.
In sum, according to the control method of the dehumidification system of the embodiment of the present invention, the water level in water storage device is detected every a sampling period, the water level rate of climb in water storage device is obtained according to the water level in the water storage device detected, and between the humidity province obtaining present air according to the water level rate of climb, and judge whether between humidity province according to present air to close dehumidification system, thus realize the automatic adjustment to air humidity, make air humidity reach desired air humidity, improve Consumer's Experience.
Fig. 3 is the block diagram of dehumidification system according to an embodiment of the invention.As shown in Figure 3, this dehumidification system comprises water storage device 10, water level detection circuit 20 and main control unit 30.
Wherein, water storage device 10 is for storing the water produced when dehumidification system carries out dehumidifying work.Water level detection circuit 20 detects the water level in water storage device 10 every a sampling period.Main control unit 30 is connected with water level detection circuit 20, main control unit 30 is for obtaining the water level rate of climb in water storage device 10 according to the water level in the water storage device 10 detected, and between the humidity province obtaining present air according to the water level rate of climb, and judge whether between humidity province according to present air to close dehumidification system.
According to one embodiment of present invention, water level detection circuit 20 comprises the detection resistance be arranged in water storage device 10, and detecting the resistivity of resistance in water is the first resistivity, and detecting the aerial resistivity of resistance is the second resistivity.
According to one embodiment of present invention, the water level in water storage device 10 is calculated by above-mentioned formula (1).
According to a concrete example of the present invention, as shown in Figure 2, water level detection circuit is formed by power supply, ammeter, switch and detection resistant series, and wherein, detect resistance and be vertically mounted in water storage device, the length detecting resistance is identical with the height of water storage device.
Be made up of special material owing to detecting resistance, its resistivity in water is the first electricalresistivityρ 1, aerial resistivity is the second electricalresistivityρ 2, the water level in water storage device 10 therefore can be calculated according to the current value of ammeter.
Suppose, the current value of ammeter is I, and the voltage of power supply is E, then the resistance R detecting resistance is calculated by above-mentioned formula (2).Meet above-mentioned formula (3) owing to detecting the resistance R of resistance again, therefore, above-mentioned formula (3) is brought into above-mentioned formula (2) and water level h in water storage device 10 can be calculated, as shown in above-mentioned formula (1).
According to one embodiment of present invention, main control unit 30 obtains the water level rate of climb in water storage device 10 according to above-mentioned formula (4).
According to one embodiment of present invention, the relation between air humidity a reference value and the water level rate of climb is preset with in main control unit 30, and between humidity province according to the water level rate of climb and the Relation acquisition present air between default air humidity a reference value and the water level rate of climb.
Particularly, when dehumidification system is with constant power operation, the water level rate of climb in water storage device 10 is relevant with the humidity of present air, if the humidity ratio of present air is larger, then dehumidification system releases water than very fast, and the water level rate of climb in water storage device 10 is than very fast, otherwise meeting is slow, therefore, can be obtained between the humidity province of present air by the water level rate of climb in water storage device 10.
Such as, dehumidification system runs with firm power P, and the water level in the water storage device 10 of current detection is h n, the water level in the water storage device 10 of front one-time detection is h n-1, be then v according to above-mentioned formula (4) the water level rate of climb that can calculate in current water storage device 10 n, and the water level rate of climb in the current water storage device 10 of calculating is v nbe more than or equal to v i-1and be less than or equal to v i.
And the pass between the air humidity a reference value preset in main control unit 30 and the corresponding water level rate of climb is: when air humidity is a 1during %, the water level rate of climb is v 1cm/min; When air humidity is a 2during %, the water level rate of climb is v 2cm/min; The like, when air humidity is a iduring %, the water level rate of climb is v icm/min.
Therefore, according to calculate current water storage device 10 in the water level rate of climb be v nand the relation between the air humidity a reference value preset in main control unit 30 and the corresponding water level rate of climb can obtain present air humidity province between be a i-1%-a i%.
Wherein, the air humidity a reference value preset in main control unit 30 is more with the group number of the corresponding water level rate of climb, and the precision between the humidity province of the present air of acquisition is higher, and the control accuracy of dehumidification system is higher.
Be understandable that, in other embodiments of the invention, the water level rate of climb in water storage device 10 can also be obtained by above-mentioned formula (5).
According to one embodiment of present invention, if the desired air humidity value preset be more than or equal to present air humidity province between higher limit, main control unit 30 closes dehumidification system.
Specifically, the desired air humidity value preset in the higher limit between the humidity province of the present air of acquisition and dehumidification system compares by main control unit 30, if reach default desired air humidity value, then main control unit 30 closes dehumidification system.Such as, the desired air humidity value preset is b%, is a between the humidity province of the present air of acquisition i-1%-a i%, if a i% < b%, then represent that the humidity of present air meets default desired air humidity value, now need main control unit 30 to close dehumidification system.
Certainly, according to one embodiment of present invention, above-mentioned dehumidification system can comprise performance element 31, and main control unit 30 can close dehumidification system by performance element 31.
In addition, according to one embodiment of present invention, above-mentioned dehumidification system also comprises alarm unit 40, alarm unit 40 is connected with main control unit 30, wherein, when the water level that main control unit 30 judges in water storage device 10 reaches preset water level, main control unit 30 controls alarm unit 40 and sends early warning.
Such as, preset water level can be η H, and wherein, η is configurable parameter.When η=90%, if the water level h >=90%H in water storage device 10, the water level namely in water storage device 10 reaches 90% of water storage device 10 height, then alarm unit 40 sends early warning.
According to the dehumidification system that the embodiment of the present invention proposes, water level detection circuit detects the water level in water storage device every a sampling period, main control unit obtains the water level rate of climb in water storage device according to the water level in the water storage device detected, and according to the water level rate of climb obtain present air humidity province between, and judge whether between humidity province according to present air to close dehumidification system, thus the automatic adjustment realized air humidity, make air humidity reach desired air humidity, improve Consumer's Experience.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.

Claims (14)

1. a control method for dehumidification system, is characterized in that, described dehumidification system comprises water storage device, and described control method comprises the following steps:
S1, detects the water level in described water storage device every a sampling period;
S2, obtains the water level rate of climb in described water storage device according to the water level in the described water storage device detected, and between the humidity province obtaining present air according to the described water level rate of climb; And
S3, judges whether between the humidity province according to described present air to close described dehumidification system.
2. the control method of dehumidification system as claimed in claim 1, it is characterized in that, in step sl, the water level in described water storage device is detected by water level detection circuit, wherein, described water level detection circuit comprises the detection resistance be arranged in described water storage device, and the resistivity of described detection resistance in water is the first resistivity, and the aerial resistivity of described detection resistance is the second resistivity.
3. the control method of dehumidification system as claimed in claim 2, it is characterized in that, the water level in described water storage device is obtained by following formulae discovery:
h = R - &rho; 2 H &rho; 1 - &rho; 2 = E - &rho; 2 HI ( &rho; 1 - &rho; 2 ) I
Wherein, h is the water level in described water storage device, and R is the resistance of described detection resistance, ρ 1for described first resistivity, ρ 2for described second resistivity, E is the voltage at described detection resistance two ends, and I is the electric current flowing through described detection resistance, and H is the height of described water storage device, and the height of described water storage device is equal with the length of described detection resistance.
4. the control method of dehumidification system as claimed in claim 1, is characterized in that, in step s 2, obtain the water level rate of climb in described water storage device according to following formula:
v n = h n - h n - 1 T
Wherein, v nfor the water level rate of climb in described water storage device, h nbe n-th time detect described water storage device in water level, h n-1be (n-1)th time detect described water storage device in water level, T is the described sampling period.
5. the control method of dehumidification system as claimed in claim 1, is characterized in that, between the humidity province according to described water level rate of climb acquisition present air, specifically comprises:
Obtain the relation between air humidity a reference value and the water level rate of climb preset;
According to the described water level rate of climb and the Relation acquisition between described default air humidity a reference value and the water level rate of climb present air humidity province between.
6. the control method of the dehumidification system according to any one of claim 1-5, is characterized in that, in step s3, if the desired air humidity value preset be more than or equal to described present air humidity province between higher limit, then close described dehumidification system.
7. the control method of dehumidification system as claimed in claim 1, is characterized in that, also comprise:
Judge whether the water level in described water storage device reaches preset water level;
If judge that the water level in described water storage device reaches described preset water level, then send early warning.
8. a dehumidification system, is characterized in that, comprising:
Water storage device, described water storage device is for storing the water produced when described dehumidification system carries out dehumidifying work;
Water level detection circuit, described water level detection circuit detects the water level in described water storage device every a sampling period; And
Main control unit, described main control unit is connected with described water level detection circuit, described main control unit is used for the water level rate of climb obtained according to the water level in the described water storage device detected in described water storage device, and between the humidity province obtaining present air according to the described water level rate of climb, and judge whether to close described dehumidification system between humidity province according to described present air.
9. dehumidification system as claimed in claim 8, it is characterized in that, described water level detection circuit comprises the detection resistance be arranged in described water storage device, and the resistivity of described detection resistance in water is the first resistivity, and the aerial resistivity of described detection resistance is the second resistivity.
10. dehumidification system as claimed in claim 9, it is characterized in that, the water level in described water storage device is obtained by following formulae discovery:
h = R - &rho; 2 H &rho; 1 - &rho; 2 = E - &rho; 2 HI ( &rho; 1 - &rho; 2 ) I
Wherein, h is the water level in described water storage device, and R is the resistance of described detection resistance, ρ 1for described first resistivity, ρ 2for described second resistivity, E is the voltage at described detection resistance two ends, and I is the electric current flowing through described detection resistance, and H is the height of described water storage device, and the height of described water storage device is equal with the length of described detection resistance.
11. dehumidification systems as claimed in claim 8, is characterized in that, described main control unit obtains the water level rate of climb in described water storage device according to following formula:
v n = h n - h n - 1 T
Wherein, v nfor the water level rate of climb in described water storage device, h nbe n-th time detect described water storage device in water level, h n-1be (n-1)th time detect described water storage device in water level, T is the described sampling period.
12. dehumidification systems as claimed in claim 8, it is characterized in that, be preset with the relation between air humidity a reference value and the water level rate of climb in described main control unit, and according to the described water level rate of climb and the Relation acquisition between default air humidity a reference value and the water level rate of climb present air humidity province between.
13. dehumidification systems according to any one of claim 8-12, is characterized in that, if the desired air humidity value preset be more than or equal to described present air humidity province between higher limit, described main control unit closes described dehumidification system.
14. dehumidification systems as claimed in claim 8, is characterized in that, also comprise:
Alarm unit, described alarm unit is connected with described main control unit, and wherein, when the water level that described main control unit judges in described water storage device reaches preset water level, described main control unit controls described alarm unit and sends early warning.
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CN202442449U (en) * 2012-01-31 2012-09-19 广州东奥电气有限公司 Mini-type dehumidifier control system
CN102818339A (en) * 2012-08-08 2012-12-12 泰州市日高冷机有限公司 Overflowing-preventing dehumidifier
CN203642421U (en) * 2013-12-13 2014-06-11 江西清华泰豪三波电机有限公司 Thermoregulation dehumidifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1590887A (en) * 2003-08-25 2005-03-09 乐金电子(天津)电器有限公司 Dehumidification operation method of air conditioner
CN101099065A (en) * 2004-11-05 2008-01-02 惠普开发有限公司 Air conditioning unit control to reduce moisture varying operations
CN202442449U (en) * 2012-01-31 2012-09-19 广州东奥电气有限公司 Mini-type dehumidifier control system
CN102818339A (en) * 2012-08-08 2012-12-12 泰州市日高冷机有限公司 Overflowing-preventing dehumidifier
CN203642421U (en) * 2013-12-13 2014-06-11 江西清华泰豪三波电机有限公司 Thermoregulation dehumidifier

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