CN115435424A - Electrode humidifier for high water conductivity and control method thereof - Google Patents
Electrode humidifier for high water conductivity and control method thereof Download PDFInfo
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- CN115435424A CN115435424A CN202211099435.7A CN202211099435A CN115435424A CN 115435424 A CN115435424 A CN 115435424A CN 202211099435 A CN202211099435 A CN 202211099435A CN 115435424 A CN115435424 A CN 115435424A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 277
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 62
- 239000007864 aqueous solution Substances 0.000 claims abstract description 51
- 239000000243 solution Substances 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 60
- 239000006004 Quartz sand Substances 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 239000011435 rock Substances 0.000 claims description 14
- 238000009298 carbon filtering Methods 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 4
- 239000008233 hard water Substances 0.000 abstract description 5
- 101150114468 TUB1 gene Proteins 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Humidification (AREA)
Abstract
The invention discloses an electrode humidifier for high water conductivity and a control method thereof, wherein the electrode humidifier comprises a humidifying barrel and a filtering device, a humidifying electrode is arranged in the humidifying barrel, a water inlet mechanism for supplying water to the humidifying barrel is connected to the humidifying barrel, and a conductivity probe for measuring the conductivity of a water solution in the water inlet mechanism is arranged in the water inlet mechanism; the water inlet end of the filtering device is communicated with a water source, the water outlet end of the filtering device is communicated with the water inlet mechanism through a three-way valve, and the three-way valve is also communicated with the water source through a bypass pipeline; the conductivity probe and the three-way valve are in signal connection with the controller, and the three-way valve is configured to adjust the proportion of the aqueous solution in the filtering device entering the water inlet mechanism according to the conductivity of the aqueous solution in the water inlet mechanism. The application effectively solves the problems of low humidification quantity and unstable humidification quantity fluctuation caused by hard water.
Description
Technical Field
The invention relates to the technical field of electrode humidifiers, in particular to an electrode humidifier for high water conductivity and a control method thereof.
Background
The electrode humidifier adopts the working principle that water is used as a conductor, the water is evaporated and boiled after being electrified to generate steam, the water quality is too good, if the water is pure water, the water cannot conduct electricity, the humidifier cannot generate the steam, the water quality is too hard, the humidifying barrel is easy to scale, and the service life of the humidifying barrel can be shortened. Therefore, the electrode humidifier has a strict range requirement on the conductivity of inlet water, and is generally within the range of 125 to 900 μ S/cm. The inlet water of the electrode humidifier is tap water generally, the conductivity range of the tap water is generally 125 to 1250 mu S/cm, and the water quality of the northern area is harder. In northern areas, the use of electrode humidifiers is limited, and the following two approaches are generally used.
In the first scheme, other types of humidifiers, such as an electric heating humidifier instead of an electrode humidifier, are adopted, and the inlet water is purified. In the aspect of cost, the cost of the electric heating humidifier is far higher than that of the electrode humidifier, the purchase cost of equipment is increased, and the burden of customers is increased; in the aspect of safety, the electric heating humidifier has the risk of dry burning and firing, and the electrode-free humidifier is safe to use.
And designing different humidification barrels according to different water inlet conductivities, wherein the Carle electrode humidifier is provided with a high conductivity barrel, and the water inlet conductivity is required to be within the range of 750 to 1250 mu S/cm. The defect of the scheme is that on one hand, the water quality exceeds 1250 mu S/cm, or the water hardness on site is higher, which influences the service life of the humidifying barrel. On the other hand, increased the specification of humidification bucket, promoted development design cost.
Disclosure of Invention
The invention aims to provide an electrode humidifier for high water conductivity and a control method thereof, which are used for solving the problems of low humidification quantity and unstable humidification quantity fluctuation caused by hard water quality.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the present invention discloses an electrode humidifier for high water conductivity, comprising:
the humidifying device comprises a humidifying barrel, a humidifying electrode is arranged in the humidifying barrel, a water inlet mechanism used for supplying water to the humidifying barrel is connected to the humidifying barrel, and a conductivity probe used for measuring the conductivity of a water solution in the water inlet mechanism is arranged in the water inlet mechanism;
the water inlet end of the filtering device is communicated with a water source, the water outlet end of the filtering device is communicated with the water inlet mechanism through a three-way valve, and the three-way valve is also communicated with the water source through a bypass pipeline;
the conductivity probe and the three-way valve are in signal connection with the controller, and the three-way valve is configured to adjust the proportion of the aqueous solution in the filtering device entering the water inlet mechanism according to the conductivity of the aqueous solution in the water inlet mechanism.
Further, the filter device comprises at least one filter layer;
the filter layer is any one of a quartz sand filter layer, an active carbon filter layer or a volcanic rock filter layer.
Furthermore, the filtering device comprises a quartz sand filtering layer and an active carbon filtering layer which are sequentially arranged from the water inlet end to the water outlet end;
and a first water outlet and a first control valve in signal connection with the controller are arranged between the quartz sand filter layer and the activated carbon filter layer.
Furthermore, the filtering device comprises a quartz sand filtering layer, an activated carbon filtering layer and a volcanic rock filtering layer which are sequentially arranged from the water inlet end to the water outlet end;
and a first water outlet and a first control valve in signal connection with the controller are arranged between the quartz sand filter layer and the activated carbon filter layer, and a second water outlet and a second control valve in signal connection with the controller are arranged between the activated carbon filter layer and the volcanic stone filter layer.
Furthermore, a third water outlet and a third control valve in signal connection with the controller are further arranged between the quartz sand filtering layer and the water inlet end.
In a second aspect, the invention also discloses a control method of the electrode humidifier according to the electrode humidifier disclosed in the first aspect, comprising:
the conductivity probe detects the conductivity of the aqueous solution in the water inlet mechanism;
the controller is used for controlling the opening and closing of the three-way valve according to the conductivity of the water solution in the water inlet mechanism so as to adjust the proportion of the water solution in the filtering device entering the water inlet mechanism.
Further, the control three-way valve opens and shuts to the proportion that water solution entered into in the regulation filter equipment the mechanism of intaking includes:
if the conductivity of the aqueous solution in the water inlet mechanism is higher than a preset value, the opening flow of the three-way valve is controlled to be increased, and the proportion of the aqueous solution in the filtering device entering the water inlet mechanism is increased;
if the conductivity of the aqueous solution in the water inlet mechanism is lower than a preset value, controlling the opening flow of the three-way valve to be reduced or closed, and reducing the proportion of the aqueous solution in the filtering device entering the water inlet mechanism;
and if the conductivity of the aqueous solution in the water inlet mechanism is within a preset range, controlling the opening flow of the three-way valve to be unchanged.
In the present application, the three-way valve 6 has three ports, the port E is communicated with the water outlet end a2 of the filter device, the port D is communicated with the bypass pipeline, and the port G is communicated with the water inlet mechanism 4. In this application, controlling the opening flow of the three-way valve to increase or decrease refers to controlling the flow rate of the E port thereof. Specifically, the increase of the opening flow rate of the three-way valve refers to the increase of the flow rate of the port E of the three-way valve, and the decrease or the closing of the opening flow rate of the three-way valve also refers to the control of the flow rate of the port E of the three-way valve.
Further, the conductivity of the water solution in the water inlet mechanism is higher than a preset value, and the method further comprises the following steps:
if the conductivity of the aqueous solution in the water inlet mechanism is 900-1250 mu S/cm;
the water solution in the water source flows to the three-way valve after being filtered by at least one filter layer in the filter device.
Further, the conductivity of the aqueous solution in the water inlet mechanism is higher than a preset value, and the method further comprises the following steps:
if the conductivity of the aqueous solution in the water inlet mechanism is 1250-1500 mu S/cm;
the first control valve is controlled to be opened, and the first water outlet and the second control valve are controlled to be closed, so that the water solution in the water source flows to the three-way valve after passing through a quartz sand filter layer and an active carbon filter layer in the filter device.
Further, the conductivity of the water solution in the water inlet mechanism is higher than a preset value, and the method further comprises the following steps:
if the conductivity of the aqueous solution in the water inlet mechanism is more than 1500 mu S/cm;
the first control valve and the second control valve are controlled to be opened, and the first water outlet and the second water outlet are controlled to be closed, so that the water solution in the water source flows to the three-way valve after passing through a quartz sand filter layer, an active carbon filter layer and a volcanic stone filter layer in the filter device.
According to the technical scheme, the embodiment of the invention at least has the following effects:
1. according to the electrode humidifier designed by the application, the water outlet end of the filtering device is communicated with the water inlet mechanism through the three-way valve, the three-way valve is connected with a water source through the bypass pipeline, and the controller can adjust the proportion of the water solution in the filtering device entering the water inlet mechanism according to the conductivity of the water solution in the water inlet mechanism so as to ensure that the conductivity of the water solution entering the humidifying barrel meets the requirement, so that the problems of low humidification quantity and unstable humidification quantity fluctuation caused by hard water quality are solved;
2. according to the control method, the three-way valve is controlled to be opened and closed by detecting the conductivity of the aqueous solution, so that the conductivity of the aqueous solution entering the water inlet mechanism is effectively adjusted, and the control is simple and convenient.
Drawings
FIG. 1 is a schematic view of the overall connection of the electrode humidifier of the present invention;
FIG. 2 is a schematic view showing the connection between the filter unit and the three-way valve according to the present invention;
FIG. 3 is a schematic view of a three-way valve according to the present invention;
fig. 4 is a flowchart of a control method of the present invention.
Wherein: 1. a humidifying barrel; 11. draining pump; 2. a humidifying electrode; 3. a first high water level sensor; 4. a water inlet mechanism; 41. a conductivity probe; 42. a water inlet pipe; 5. a controller; 6. a three-way valve; 7. a filtration device; 71. a quartz sand filter layer; 72. a first water outlet; 73. a first control valve; 74. an activated carbon filter layer; 75. a water outlet II; 76. a second control valve; 77. a volcanic rock filter layer; 78. a water outlet III; 79. a third control valve; a1, a water inlet end; a2, a water outlet end; 8. a water source.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
It should be noted that in the description of the present invention, the terms "front", "back", "left", "right", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
As shown in fig. 1 to 3, an electrode humidifier for high water conductivity includes a humidification barrel 1 and a filtering device, a humidification electrode 2 is disposed in the humidification barrel, a water inlet mechanism 4 for supplying water to the humidification barrel 1 is connected to the humidification barrel 1, and a conductivity probe 41 for measuring conductivity of an aqueous solution in the water inlet mechanism 4 is disposed in the water inlet mechanism 4; the water inlet end a1 of the filtering device 7 is communicated with a water source 8, the water outlet end a2 is communicated with the water inlet mechanism 4 through a three-way valve 6, and the three-way valve 6 is also communicated with the water source 8 through a bypass pipeline; the conductivity probe 41 and the three-way valve 6 are in signal connection with the controller 5, and the three-way valve 6 is configured to adjust the ratio of the aqueous solution in the filter device 7 entering the water inlet mechanism 4 according to the conductivity of the aqueous solution in the water inlet mechanism 4.
The utility model provides an electrode humidifier, the play water end with filter equipment is linked together through three-way valve and water inlet mechanism to make the three-way valve pass through bypass pipeline and connect the water source, the controller can be according to the conductivity of water solution in the water inlet mechanism, adjust the water solution among the filter equipment and get into the proportion to water inlet mechanism, satisfy the requirement with the conductivity of guaranteeing to enter into the water solution in the humidification bucket, and then solved the problem that the amount of humidification that hard water quality caused is low and the fluctuation of the amount of humidification is unstable.
It should be noted that the three-way valve 6 has three ports, the port E is communicated with the water outlet a2 of the filtering device, the port D is communicated with the bypass pipeline, and the port G is communicated with the water inlet mechanism 4. The controller 5 controls the opening and closing sizes of the port E and the port D so as to adjust the proportion of the water solution in the filtering device 7 entering the water inlet mechanism 4. If more water solution in the filter device 7 is needed to enter the water inlet mechanism 4, the flow rate of the E port can be increased, and the flow rate of the D port can be reduced. If the water solution in the filter device 7 is required to be reduced to enter the water inlet mechanism 4, the flow rate of the E port can be reduced, and the flow rate of the D port can be increased.
In this application, controlling the opening flow of the three-way valve to increase or decrease refers to controlling the flow of the E port thereof. Specifically, the increase of the opening flow rate of the three-way valve refers to the increase of the flow rate of the port E of the three-way valve, and the decrease or the closing of the opening flow rate of the three-way valve also refers to the control of the flow rate of the port E of the three-way valve.
In this application, the water inlet mechanism 4 includes a conductivity probe 41, and further includes a water inlet pipe 42, the water inlet pipe 42 is communicated with a G port of the three-way valve 6, and a control valve is disposed between the water inlet pipe 42 and the G port of the three-way valve 6, the control valve is also in signal connection with the controller 5, and the controller 5 controls the opening and closing of the control valve, so that water flowing out of the three-way valve 6 enters the water inlet mechanism.
In the present application, a humidifying electrode 2 is disposed in a humidifying barrel 1, and components necessary for the operation of the humidifying barrel, such as a three-phase power supply, an electrode contactor, a current transformer and a steam output port, are also disposed on the humidifying barrel, the electrode contactor and the current transformer are both in signal connection with a controller, and the parts are conventional means and are not further described in the present application.
In some embodiments, the drain pipe of the humidification tub 1 is provided with the drain pump 11, the humidification tub 1 is provided with the first high water level sensor 3, and the drain pump 11 and the first high water level sensor 3 are both in signal connection with the controller 5. When the first high water level sensor 3 detects that the water level in the humidification tub 1 is excessively high, the controller 5 controls the operation of the drain pump 11 to achieve the drainage of the humidification tub 1.
Further, the drain pump 11 may have a plurality of water inlets and outlets, one port of which communicates with the humidifying tub 1, one port of which communicates with the water inlet mechanism 4, and one port of which is used for draining water. This design can save the holistic pipeline quantity of humidifier to guarantee that the high efficiency of pipeline design is reasonable. The inflow and outflow of the aqueous solution can be easily achieved by controlling the passage of the drain pump 11 by the controller 5.
In a particular embodiment, the filter means comprises at least one filter layer, such as a quartz sand filter layer 71 or an activated carbon filter layer 74 or a volcanic rock filter layer 77.
When the device is used, water in a water source enters the filtering device 7, passes through the quartz sand filtering layer 71 or the activated carbon filtering layer 74 or the volcanic rock filtering layer 77 in the filtering device and then flows out from the water outlet end a 2. The conductivity of the filtered water solution is reduced, and the water solution is mixed with water in the bypass pipeline as required and then enters the water inlet mechanism 4.
In a further embodiment, the filter device 7 comprises a quartz sand filter layer 71 and an activated carbon filter layer 74 which are arranged in sequence from the water inlet end a1 to the water outlet end a2, a water outlet 72 and a control valve 73 which is in signal connection with the controller 5 are arranged between the quartz sand filter layer 71 and the activated carbon filter layer 74.
When the water filter works, water in a water source enters the filter device 7, passes through the quartz sand filter layer 71 in the filter device, then passes through the activated carbon filter layer 74, flows out of the water outlet II 75 and flows to the port E of the three-way valve 6. The conductivity of the filtered water solution is reduced, and the water solution is mixed with water in the bypass pipeline and enters the water inlet mechanism 4 according to the requirement.
In the embodiment, water in the water source passes through the quartz sand filtering layer 71 and the activated carbon filtering layer 74 which are arranged in sequence, so that the conductivity of the water solution is effectively reduced, and the conductivity of the water solution can be reduced from 1250-1500 mu S/cm to 400-600 mu S/cm.
In a preferred embodiment, the filtering device 7 comprises a quartz sand filtering layer 71, an activated carbon filtering layer 74 and a volcanic rock filtering layer 77 which are arranged in sequence from the water inlet end a1 to the water outlet end a2, wherein a water outlet 72 and a control valve 73 in signal connection with the controller 5 are arranged between the quartz sand filtering layer 71 and the activated carbon filtering layer 74. A second water outlet 75 and a second control valve 76 which is in signal connection with the controller 5 are arranged between the activated carbon filter layer 74 and the volcanic rock filter layer 77.
Furthermore, a water outlet III 78 and a control valve III 79 in signal connection with the controller 5 are arranged between the quartz sand filtering layer 71 and the water inlet end a 1.
In the embodiment, when the water enters the filtering device 7, the water passes through the quartz sand filtering layer 71 in the filtering device, then passes through the activated carbon filtering layer 74, then passes through the volcanic rock filtering layer 77 again, flows out from the water outlet end a2, and flows to the port E of the three-way valve 6. The conductivity of the filtered water solution is reduced, and the water solution is mixed with water in the bypass pipeline and enters the water inlet mechanism 4 according to the requirement.
In the embodiment, the water in the water source passes through the quartz sand filter layer 71, the activated carbon filter layer 74 and the volcanic rock filter layer 77 which are arranged in sequence, so that the conductivity of the water solution is effectively reduced, and the conductivity of the water solution can be reduced to 400-600 muS/cm from more than 1500 muS/cm.
Since the embodiment has the first control valve 73, the second control valve 76 and the third control valve 79, and the first water outlet 72, the second water outlet 75 and the third water outlet 78 are provided, different forms of control can be performed during control. If the water solution flows out from the first water outlet 72 after being filtered only by the quartz sand filtering layer 71, the water solution can also flow out from the second water outlet 75 after being filtered twice (the quartz sand filtering layer 71 and the activated carbon filtering layer 74). Or directly flows out from the third water outlet 78 without filtering.
Furthermore, the opening degree of the control valve III 79 can be adjusted to ensure that part of water directly flows out through the water outlet III 78, and the part of water is filtered through the quartz sand filter layer 71, the activated carbon filter layer 74 and the volcanic rock filter layer 77 to directly realize the adjustment of water quality.
Example 2
As shown in fig. 4, based on the electrode humidifier provided in embodiment 1, the example further provides a control method of the electrode humidifier, and the idea of the method is that the inlet water is divided into two paths, one path is filtered by the filtering device 7 to reduce the inlet water conductivity, the other path is bypassed to the electric three-way valve 6 to be mixed with the water filtered by the water filter, and the electric three-way valve is controlled by the controller of the electrode humidifier according to the target inlet water conductivity. The initial target conductivity range is 400-600 mu S/cm, and the range is adjustable.
In one embodiment, an electrode humidifier control method includes the following steps.
Step 100, the conductivity probe 41 detects the conductivity of the aqueous solution in the water inlet mechanism 4.
And 200, controlling the three-way valve 6 to be opened and closed by the controller 5 according to the conductivity of the aqueous solution in the water inlet mechanism 4 so as to adjust the proportion of the aqueous solution in the filtering device 7 entering the water inlet mechanism 4.
In step 200, if the conductivity of the aqueous solution in the water inlet mechanism 4 is higher than the preset value, the opening flow of the three-way valve 6 is controlled to increase, and the proportion of the aqueous solution in the filter device 7 entering the water inlet mechanism 4 is increased.
If the conductivity of the aqueous solution in the water inlet means 4 is detected to be 900-1250 mus/cm in step 100, the proportion of the aqueous solution in the filter device 7 entering the water inlet means 4 needs to be increased, and the filter device can be in the form of one-time filtration because the conductivity of the aqueous solution is not too large. For example, the water solution in the water source 8 is filtered by at least one filter layer in the filter device 7 and then flows to the three-way valve 6. The filter layer may be a quartz sand filter layer 71.
In other embodiments, step 100 detects an electrical conductivity of the aqueous solution in the water intake mechanism 4 of 1250 to 1500 μ S/cm. The difference in conductivity of the aqueous solution is greater than ideal, in which case the aqueous solution may be filtered twice.
If the first control valve 73 is controlled to be opened, and the first water outlet 72 and the second control valve 76 are controlled to be closed, the water solution in the water source 8 flows to the three-way valve 6 after passing through the quartz sand filtering layer 71 and the activated carbon filtering layer 74 in the filtering device 7. The reduction of the conductivity of the aqueous solution can be effectively ensured through the secondary filtration provided by the quartz sand filter layer 71 and the activated carbon filter layer 74.
In other embodiments, step 100 detects that the conductivity of the aqueous solution in the water intake mechanism 4 is greater than 1500 μ S/cm. The conductivity of the aqueous solution differs considerably from the ideal value in this case, in which case the aqueous solution can be filtered three times.
If the first control valve 73 and the second control valve 76 are controlled to be opened, and the first water outlet 72 and the second water outlet 75 are controlled to be closed, the water solution in the water source 8 flows to the three-way valve 6 after passing through the quartz sand filter layer 71, the activated carbon filter layer 74 and the volcanic rock filter layer in the filter device 7. Through the three-stage filtration of the quartz sand filtering layer 71, the activated carbon filtering layer 74 and the volcanic rock filtering layer 77, the reduction of the conductivity of the aqueous solution can be effectively ensured.
In the application, if the conductivity of the aqueous solution in the water inlet mechanism 4 is lower than a preset value, the opening flow of the three-way valve 6 is controlled to be reduced or closed, and the proportion of the aqueous solution in the filtering device 7 entering the water inlet mechanism 4 is reduced; if the conductivity of the aqueous solution in the water inlet mechanism 4 is in a preset range, the opening flow of the control three-way valve 6 is unchanged.
When the tap water is treated by the water filter and the conductivity of the water exceeds 1000 mu S/cm, the alarm is given to remind the site to maintain the water filter. By the method, the water inlet conductivity of the electrode humidifier can be effectively controlled, and the application of the electrode humidifier in a hard water area is widened.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. An electrode humidifier for high water conductivity comprising:
the humidifying device comprises a humidifying barrel (1), wherein a humidifying electrode (2) is arranged in the humidifying barrel, a water inlet mechanism (4) used for supplying water to the humidifying barrel (1) is connected to the humidifying barrel (1), and a conductivity probe (41) used for measuring the conductivity of a water solution in the water inlet mechanism (4) is arranged in the water inlet mechanism (4);
the water inlet end (a 1) of the filtering device (7) is communicated with a water source (8), the water outlet end (a 2) of the filtering device (7) is communicated with the water inlet mechanism (4) through a three-way valve (6), and the three-way valve (6) is also communicated with the water source (8) through a bypass pipeline;
the conductivity probe (41) and a three-way valve (6) are in signal connection with the controller (5), and the three-way valve (6) is configured to adjust the proportion of the aqueous solution in the filtering device (7) entering the water inlet mechanism (4) according to the conductivity of the aqueous solution in the water inlet mechanism (4).
2. The electrode humidifier for high water conductivity according to claim 1, wherein the filtering means (7) comprises at least one filtering layer;
the filter layer is any one of a quartz sand filter layer (71), an active carbon filter layer (74) or a volcanic rock filter layer (77).
3. The electrode humidifier for high water conductivity according to claim 1, wherein the filtering means (7) comprises a quartz sand filtering layer (71) and an activated carbon filtering layer (74) arranged in sequence from the water inlet end (a 1) to the water outlet end (a 2);
a first water outlet (72) and a first control valve (73) in signal connection with the controller (5) are arranged between the quartz sand filtering layer (71) and the activated carbon filtering layer (74).
4. The electrode humidifier for high water conductivity according to claim 1, wherein the filter device (7) comprises a quartz sand filter layer (71), an activated carbon filter layer (74) and a volcanic stone filter layer (77) which are sequentially arranged from a water inlet end (a 1) to a water outlet end (a 2);
be equipped with delivery port one (72) and with controller (5) signal connection's control valve one (73) between quartz sand filter layer (71) and active carbon filter layer (74), be equipped with delivery port two (75) and with controller (5) signal connection's control valve two (76) between active carbon filter layer (74) and volcanic stone filter layer (77).
5. The electrode humidifier for high water conductivity according to claim 4, wherein a third water outlet (78) and a third control valve (79) in signal connection with the controller (5) are further provided between the quartz sand filter layer (71) and the water inlet end (a 1).
6. An electrode humidifier control method according to any one of claims 1 to 5, comprising:
the conductivity probe (41) detects the conductivity of the water solution in the water inlet mechanism (4);
the controller (5) is used for controlling the opening and closing of the three-way valve (6) according to the conductivity of the water solution in the water inlet mechanism (4) so as to adjust the proportion of the water solution in the filtering device (7) entering the water inlet mechanism (4).
7. The electrode humidifier control method according to claim 6, wherein controlling the opening and closing of the three-way valve (6) to adjust the ratio of the water solution in the filtering device (7) entering the water inlet mechanism (4) comprises:
if the conductivity of the aqueous solution in the water inlet mechanism (4) is higher than a preset value, the opening flow of the three-way valve (6) is controlled to be increased, and the proportion of the aqueous solution in the filtering device (7) entering the water inlet mechanism (4) is increased;
if the conductivity of the aqueous solution in the water inlet mechanism (4) is lower than a preset value, the opening flow of the three-way valve (6) is controlled to be reduced or closed, and the proportion of the aqueous solution in the filtering device (7) entering the water inlet mechanism (4) is reduced;
if the conductivity of the aqueous solution in the water inlet mechanism (4) is in a preset range, the opening flow of the control three-way valve (6) is unchanged.
8. The electrode humidifier control method according to claim 7, wherein the conductivity of the aqueous solution in the water inlet mechanism (4) is higher than a preset value, further comprising:
if the conductivity of the aqueous solution in the water inlet mechanism (4) is 900-1250 mu S/cm;
the water solution in the water source (8) is filtered by at least one filter layer in the filter device (7) and then flows to the three-way valve (6).
9. The electrode humidifier control method according to claim 7, wherein the conductivity of the aqueous solution in the water inlet mechanism (4) is higher than a preset value, further comprising:
if the conductivity of the water solution in the water inlet mechanism (4) is 1250-1500 mu S/cm;
the first control valve (73) is controlled to be opened, and the first water outlet (72) and the second control valve (76) are controlled to be closed, so that the water solution in the water source (8) flows to the three-way valve (6) after passing through a quartz sand filter layer (71) and an activated carbon filter layer (74) in the filter device (7).
10. The electrode humidifier control method according to claim 7, wherein the conductivity of the aqueous solution in the water inlet mechanism (4) is higher than a preset value, further comprising:
if the conductivity of the aqueous solution in the water inlet mechanism (4) is more than 1500 mu S/cm;
the first control valve (73) and the second control valve (76) are controlled to be opened, and the first water outlet (72) and the second water outlet (75) are controlled to be closed, so that the water solution in the water source (8) flows to the three-way valve (6) after passing through the quartz sand filter layer (71), the activated carbon filter layer (74) and the volcanic rock filter layer in the filter device (7).
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