WO2021057292A1 - 电极式加湿器的控制方法以及电极式加湿器 - Google Patents

电极式加湿器的控制方法以及电极式加湿器 Download PDF

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WO2021057292A1
WO2021057292A1 PCT/CN2020/108430 CN2020108430W WO2021057292A1 WO 2021057292 A1 WO2021057292 A1 WO 2021057292A1 CN 2020108430 W CN2020108430 W CN 2020108430W WO 2021057292 A1 WO2021057292 A1 WO 2021057292A1
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water
conductivity
electrode
barrel
humidifier
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PCT/CN2020/108430
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English (en)
French (fr)
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杨公增
王波
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青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2021057292A1 publication Critical patent/WO2021057292A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • 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
    • F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically

Definitions

  • the invention belongs to the technical field of humidifiers, and specifically provides a control method of an electrode type humidifier and an electrode type humidifier.
  • Electrode humidifiers are widely used in conventional humidifiers, air conditioners with humidifiers and other fields because of their fast humidification speed and easy control of the humidification amount.
  • the electrode type humidifier uses the water in the humidifying barrel as the conductive medium, the conductivity of the water directly affects the conductivity and humidification performance.
  • our country has a vast territory, and the conductivity of water quality varies from region to region. Especially in the south, the conductivity of water quality is low, which makes it difficult for electrode humidifiers to continue to work normally. It is necessary to regularly increase electrolytes (such as sodium chloride, etc.) to be able to do so. Maintain normal operation of the humidifier.
  • the present invention provides an electrode type humidifier control
  • the electrode type humidifier includes a water inlet pipeline, a humidification barrel, and a water outlet pipeline that are sequentially connected, a heating electrode arranged in the humidification barrel, and a conductivity detector connected with the water inlet pipeline and the inner bottom of the humidification barrel, so
  • the control methods include:
  • the electrode humidifier is selectively controlled to enter the operation mode of increasing the conductivity of the water in the humidifying barrel.
  • the step of “selectively controlling the electrode-type humidifier to enter the operation mode of increasing the conductivity of the water in the humidifying barrel based on the comparison result” specifically includes:
  • the electrode humidifier is controlled to enter the operation mode of increasing the conductivity of the water in the humidifying barrel.
  • the "operation mode for increasing the conductivity of the water in the humidifying barrel" further includes:
  • control method of the electrode type humidifier further includes:
  • Step 1 At the same time or after controlling the heating electrode to heat, detect the water conductivity ⁇ n in the humidification barrel;
  • Step 2 When ⁇ n ⁇ 0 + ⁇ , refill water into the humidifying barrel;
  • Step 3 When ⁇ 0 + ⁇ n ⁇ 0 but the water level in the humidification barrel reaches the set water level, or when the water level in the humidification barrel does not reach the set water level but ⁇ n ⁇ 0 , stop the humidification Fill the bucket with water;
  • ⁇ is the compensation value of water conductivity.
  • control method of the above electrode type humidifier when ⁇ 0 + ⁇ n ⁇ 0 but the water level in the humidification barrel reaches the set water level or the water level in the humidification barrel does not reach the set water level but ⁇ After n ⁇ 0 and the water injection into the humidification barrel is stopped, the control method further includes:
  • the step of “selectively controlling the electrode-type humidifier to enter the operation mode of increasing the conductivity of the water in the humidifying barrel based on the comparison result” specifically includes:
  • the electrode humidifier is controlled to enter an operation mode for maintaining the conductivity of the water in the humidifying barrel.
  • the "operation mode for maintaining the conductivity of the water in the humidifying barrel" further includes:
  • Step 1 Continue to pour water into the humidification barrel until the set water level is reached and stop the water pour;
  • Step 2 Control the heating electrode to heat
  • Step 3 Drain the first set amount of water from the humidification barrel
  • Step 4 Repeat steps 1-3.
  • control method of the above electrode type humidifier after the step of "injecting water into the humidification barrel until it reaches the set water level and stopping the water injection” and before the step of "controlling the heating electrode to heat", the control method also includes:
  • the second set amount of water is discharged from the humidifying barrel.
  • the present invention also provides an electrode type humidifier.
  • the electrode type humidifier is the electrode type humidifier according to any one of the above technical solutions, and the electrode type humidifier further includes a controller, which is arranged in the inlet The water inlet valve in the water pipeline and the water outlet valve arranged in the water outlet pipeline, the controller is in communication connection with the water inlet valve, the water outlet valve, the heating electrode and the conductivity detector, And it is configured to be able to execute the control method according to any one of the above technical solutions through the water inlet valve, the water outlet valve, the heating electrode or the conductivity detector or by itself.
  • the electrode type humidifier further includes a water injection box, and the conductivity detector includes a first conductivity detector and a second conductivity detector.
  • the humidification barrel is connected by the water inlet pipeline, the first conductivity detector is arranged at the bottom of the humidification barrel, and the second conductivity detector is arranged in the water injection box.
  • the electrode type humidifier includes a water inlet pipe, a humidification barrel, and a water outlet pipe that are connected in sequence, a heating electrode arranged in the humidification barrel, and a connection with the water inlet pipe and humidifier.
  • the conductivity detector connected to the inner bottom of the barrel, the control method of the electrode type humidifier includes: while pouring water into the humidification barrel, the conductivity detector detects the water quality conductivity ⁇ g of the inlet pipe; compares the water quality conductivity of the inlet pipe Water conductivity ⁇ g of the magnitude threshold [sigma] 0; and based on the comparison result, a control electrode for selectively lifting operation mode enters humidifier quality conductivity inside the cylinder.
  • the control method of the electrode type humidifier of the present invention can determine whether to control the electrode type humidifier to enter the operation of increasing the conductivity of the water in the humidifying barrel according to the water quality conductivity ⁇ g of the water inlet pipe and the water quality conductivity threshold value ⁇ 0 Mode, in areas with low water conductivity, the control method of the present invention enables the electrode humidifier to enter the operation mode of increasing the conductivity of the water in the humidifying barrel without adding additional electrolyte. , And finally complete the improvement of water conductivity in the humidification barrel.
  • Figure 1 is a flow chart of the control method of the electrode humidifier of the present invention
  • FIG. 2 is a logic diagram of the control method of the electrode humidifier of the present invention.
  • Fig. 3 is a schematic diagram of the structure of the electrode type humidifier of the present invention.
  • step S312 and step S322 are described in the specification, the present invention can obviously eliminate these two steps, as long as the heating electrode can be normally controlled for heating.
  • FIG. 1 is a flow chart of the control method of the electrode type humidifier of the present invention
  • FIG. 3 is a schematic diagram of the structure of the electrode type humidifier of the present invention.
  • the electrode type humidifier of the present invention includes successively connected water inlet pipes. 1.
  • the control method of the electrode type humidifier of the present invention first detects the water conductivity ⁇ g of the water flow in the water inlet pipe 1 through step S100, and then compares ⁇ g with the preset water conductivity threshold in step S200 ⁇ 0 is compared, where ⁇ 0 can be a more suitable water conductivity when the electrode humidifier is in normal use. Finally, in step S300, according to the size of the two, it is determined whether to control the electrode humidifier into the lifting humidification barrel The operation mode of water conductivity. If the water conductivity in the humidifying barrel 2 is in the normal range, the electrode humidifier is controlled to operate normally. If the water conductivity is low, the electrode humidifier is controlled to increase the conductivity of the water in the humidifying barrel.
  • the operating mode to improve the conductivity of water quality Since this method is a control method, there is no need to add an additional electrolyte injection device, which solves the problem that the existing electrode type humidifier needs additional electrolyte to work normally when the water conductivity is low.
  • FIG. 2 is a logic diagram of the control method of the electrode humidifier of the present invention.
  • the steps of S100-S300 have been described above, so I won’t repeat them here. Since the conductivity of the water quality is different in each area, in order to further determine whether the conductivity of the water quality needs to be improved, it is necessary to determine the conductivity of the existing water quality ⁇ g first , and By comparing with the preset water conductivity threshold ⁇ 0 , it can be confirmed whether it is necessary to enter the operation mode of increasing the water conductivity in the humidifying barrel 2. Since pure water is non-conductive, what is really conductive is the electrolyte dissolved in the water. The proportion of the electrolyte directly affects the conductivity of the water. Based on this point, the present invention proposes an operation mode to make the water in the humidification barrel conductive The rate increases. Specifically, the step of S300 further includes:
  • step S314 determine the values of ⁇ n and ⁇ 0 and ⁇ 0 + ⁇ , and selectively enter step S315 or S316 according to the magnitude of the value, where ⁇ is the water conductivity compensation value;
  • Step S315 is executed to stop sending to the humidification tank 2. Inject water inside, and return to step S313, repeat the above operation; when the water level in the humidifier 2 does not reach the set water level but ⁇ n ⁇ 0 , it means that the water conductivity has been too low during the water injection process, and refilling will affect the normal During the process of energizing the electric heating, execute step S315, stop filling the humidifying barrel 2 with water, and return to step S313 again, and repeat the above operation;
  • step S316 When ⁇ n ⁇ 0 + ⁇ , enter step S316, and pour water into the humidifying barrel 2 again.
  • the water level in the humidifying barrel 2 reaches the set water level and ⁇ n ⁇ 0 + ⁇ , it means that the water in the humidifying barrel 2 is sufficient, and the improvement of the water conductivity in the humidifying barrel 2 has been completed.
  • Step S310 represents the low conductivity of the water in the existing humidification barrel.
  • step S311 For safety reasons, S312 is usually added.
  • the step of putting part of the water in the humidification bucket 2 can avoid the situation that the water in the humidification bucket 2 is overfilled and may cause the water to overflow and lead to electric leakage.
  • step S313 After the liquid level sensor 10 detects that the water is full, enter the step S313 to control the heating of the heating electrode. Since the electrolyte cannot volatilize, the concentration of the electrolyte remaining in the humidification tank 2 will increase with the volatilization of water vapor. , Correspondingly the water conductivity becomes larger.
  • step S314 at the same time or after heating, the water conductivity ⁇ n in the humidification tank 2 is detected.
  • ⁇ 0 + ⁇ n ⁇ 0 but the water level in the humidification tank 2 reaches the set water level, or when When the water level in the humidification tank 2 does not reach the set water level but ⁇ n ⁇ 0 , if water is continued to be injected, the conductivity has not reached the preset ⁇ n ⁇ 0 + ⁇ , so step S315 is entered to stop sending to the humidification tank Inject water in 2 and return to step S313 to further improve the water conductivity.
  • ⁇ n ⁇ 0 + ⁇ it means that the conductivity of the water quality is still high.
  • the steps of S300 further include:
  • step S324 Drain the first set amount of water from the humidification barrel, and return to step S321 again.
  • Step S321 is to fill up the water in the humidifying barrel to prepare for the subsequent humidifier work;
  • Step S322 has the same function as the step S312 above, which is an additional step for safety;
  • Step S323 is to control the heating electrode to heat, that is, During the normal working process of the humidifier, the water conductivity in the humidifying barrel will increase during the working process. If the water conductivity is too high, it will produce electric sparks.
  • the electrolyte is eliminated, the cost is saved, the number of parts is reduced, and it is simple and feasible, and the electrode type humidifier has a wider application range.
  • step S312 in the step of "operating mode to increase the conductivity of the water in the humidification barrel", it is obvious that the step S312 can be removed and the set water level can be appropriately lowered.
  • step S322 maintain In the step of "the operation mode of water conductivity in the humidification barrel”, the step S322 can obviously be eliminated.
  • the present invention also provides an electrode type humidifier, which is the electrode type humidifier in any of the above embodiments, and the electrode type humidifier also includes a controller (not shown in the figure) Out), the water inlet valve 7 arranged in the water inlet pipe 1 and the water outlet valve 8 arranged in the water outlet pipe 3, the controller is in communication connection with the water inlet valve 7, the water outlet valve 8, the heating electrode 4 and the conductivity detector , And is configured to be able to execute the control method in any one of the above technical solutions through the water inlet valve 7, the water outlet valve 8, the heating electrode 4 or the conductivity detector or by itself.
  • a controller not shown in the figure
  • the electrode type humidifier also includes a water injection box 9, the conductivity detector includes a first conductivity detector 5 and a second conductivity detector 6, the water injection box 9 and the humidification barrel 2 are connected through the water inlet pipe 1, the first The electrical conductivity detector 5 is arranged at the bottom of the humidifying barrel 2 and the detection result is more accurate.
  • the second electrical conductivity detector 6 is arranged in the water injection box 9.
  • the addition of the water injection box 9 can store the water in the water inlet pipe 1. When detecting the conductivity of the water quality, the static water is more accurate than the flowing water. Therefore, the addition of the water injection box 9 makes the water in the water inlet pipe 1 more accurate.
  • the measurement of water conductivity ⁇ g is more accurate.
  • the above-mentioned electrode type humidifier also includes some other well-known structures, such as processors, controllers, memories, etc., where the memories include, but are not limited to, random access memory, flash memory, read-only memory, and programmable read-only memory. , Volatile memory, non-volatile memory, serial memory, parallel memory or registers, etc. Processors include but are not limited to CPLD/FPGA, DSP, ARM processor, MIPS processor, etc. In order to unnecessarily obscure the embodiments of the present disclosure, these well-known structures are not shown in the drawings.

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Abstract

本发明属于加湿器领域，具体提供一种电极式加湿器的控制方法以及电极式加湿器。本发明旨在解决现有电极式加湿器在水质电导率偏低时，需要额外增加电解质才能正常工作的问题。为此目的，本发明的电极式加湿器包括依次连通的进水管路、加湿桶和出水管路、加热电极以及电导率检测器，控制方法包括：向加湿桶注水时，通过电导率检测器检测进水管路水质电导率σ g；比较进水管路水质电导率σ g与水质电导率阈值σ 0的大小；基于比较结果，选择性地控制电极式加湿器进入提升加湿桶内水质电导率的操作模式。本发明使电极式加湿器无需额外增加电解质，即可控制电极式加湿器进入提升加湿桶内水质电导率的操作模式，最终完成加湿桶内水质电导率的提升。

Description

电极式加湿器的控制方法以及电极式加湿器 技术领域
本发明属于加湿器技术领域，具体提供一种电极式加湿器的控制方法以及电极式加湿器。
背景技术
电极式加湿器因其加湿速度快、加湿量容易控制等优点，广泛应用于常规加湿器、带有加湿器的空调器等领域。
由于电极式加湿器是以加湿桶内的水为导电介质的，水质电导率的大小直接影响了导电性能，也影响了加湿性能。而我国幅员辽阔，各地区的水质电导率各不相同，尤其是南方地区，水质电导率偏低，导致电极式加湿器难以持续正常工作，必须通过定期增加电解质(例如氯化钠等)才能够维持加湿器正常运行。
相应的，本领域需要一种电极式加湿器的控制方法以及电极式加湿器来解决现有的电极式加湿器在水质电导率偏低时，需要额外增加电解质才能正常工作的问题。
发明内容
为了解决现有技术中的上述问题，即为了解决现有的电极式加湿器在水质电导率偏低时，需要额外增加电解质才能正常工作的问题，本发明提供了一种电极式加湿器的控制方法，所述电极式加湿器包括依次连通的进水管路、加湿桶和出水管路、设置于加湿桶内的加热电极以及与进水管路和加湿桶的内底部连通的电导率检测器，所述控制方法包括：
在向加湿桶内注水的同时，通过电导率检测器检测进水管路水质电导率σ g；
比较进水管路水质电导率σ g与水质电导率阈值σ 0的大小；
基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式。
在上述电极式加湿器的控制方法的优选技术方案中，“基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式”的步骤具体包括：
当σ g＜σ 0时，控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式。
在上述电极式加湿器的控制方法的优选技术方案中，“提升加湿桶内水质电导率的操作模式”进一步包括：
继续向加湿桶内注水直至达到设定水位时停止注水；
控制加热电极进行加热。
在上述电极式加湿器的控制方法的优选技术方案中，所述控制方法还包括：
步骤1，在控制加热电极进行加热的同时或之后，检测加湿桶内的水质电导率σ n；
步骤2，当σ n≥σ 0+△σ时，重新向加湿桶内注水；
步骤3，当σ 0+△σ≥σ n≥σ 0但加湿桶内的水位达到设定水位时，或者当加湿桶内的水位未达到设定水位但σ n＜σ 0时，停止向加湿桶内注水；
其中，△σ为水质电导率补偿值。
在上述电极式加湿器的控制方法的优选技术方案中，在σ 0+△σ≥σ n≥σ 0但加湿桶内的水位达到设定水位或者加湿桶内的水位未达到设定水位但σ n＜σ 0而停止向加湿桶内注水之后，所述控制方法还包括：
控制加热电极进行加热；
执行上述的步骤1-3。
在上述电极式加湿器的控制方法的优选技术方案中，“基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式”的步骤具体包括：
当σ g≥σ 0时，控制所述电极式加湿器进入维持加湿桶内水质电导率的操作模式。
在上述电极式加湿器的控制方法的优选技术方案中，“维持加湿桶内水质电导率的操作模式”进一步包括：
步骤1，继续向加湿桶内注水直至达到设定水位时停止注水；
步骤2，控制加热电极进行加热；
步骤3，从加湿桶内排出第一设定量的水；
步骤4，循环执行步骤1-3。
在上述电极式加湿器的控制方法的优选技术方案中，在“向加湿桶内注水直至达到设定水位而停止注水”的步骤之后、“控制加热电极进行加热”的步骤之前，所述控制方法还包括：
从加湿桶向外排出第二设定量的水。
本发明还提供了一种电极式加湿器，所述电极式加湿器是上述技术方案中任一项所述的电极式加湿器，所述电极式加湿器还包括控制器、设置在所述进水管路中的进水阀和设置在所述出水管路中的出水阀，所述控制器与所述进水阀、所述出水阀、所述加热电极和所述电导率检测器通信连接，并且被配置成能够通过所述进水阀、所述出水阀、所述加热电极或所述电导率检测器执行或者自行执行上述技术方案中任一项所述的控制方法。
在上述电极式加湿器的优选技术方案中，所述电极式加湿器还包括注水盒，所述电导率检测器包括第一电导率检测器和第二电导率检测器，所述注水盒与所述加湿桶通过所述进水管路连接，所述第一电导率检测器设置在所述加湿桶的底部，所述第二电导率检测器设置在所述注水盒内。
本领域人员能够理解的是，在本发明的技术方案中，电极式加湿器包括依次连通的进水管路、加湿桶和出水管路、设置于加湿桶内的加热电极以及与进水管路和加湿桶的内底部连通的电导率检测器，电极式加湿器的控制方法包括：在向加湿桶内注水的同时，通过电导率检测器检测进水管路水质电导率σ g；比较进水管路水质电导率σ g与水质电导率阈值σ 0的大小；基于比较结果，选择性地控制电极式加湿器进入提升加湿桶内水质电导率的操作模式。
本发明的电极式加湿器的控制方法，能够根据进水管路的水质电导率σ g和水质电导率阈值σ 0的大小，来确定是否控制电极式加湿器进入提升加湿桶内水质电导率的操作模式，在水质电导率偏低的地区，通过本发明的控制方法，即可使电极式加湿器在无需额外增 加电解质的情况下，控制电极式加湿器进入提升加湿桶内水质电导率的操作模式，最终完成加湿桶内水质电导率的提升。
附图说明
下面参照附图来描述本发明的电极式加湿器的控制方法以及电极式加湿器。附图中：
图1为本发明的电极式加湿器的控制方法的流程图；
图2为本发明的电极式加湿器的控制方法的逻辑图；
图3为本发明的电极式加湿器的结构示意图。
附图标记列表:
1、进水管路；2、加湿桶；3、出水管路；4、加热电极；5、第一电导率检测器；6、第二电导率检测器；7、进水阀；8、出水阀；9、注水盒；10、液位传感器。
具体实施方式
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非旨在限制本发明的保护范围。本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合。例如，尽管说明书中描述了步骤S312和步骤S322，但是，本发明显然可以去掉这两个步骤，只要能够正常控制加热电极进行加热即可。
首先参照图1和图3，对本发明的电极式加湿器的控制方法进行描述。其中，图1为本发明的电极式加湿器的控制方法的流程图，图3为本发明的电极式加湿器的结构示意图。
现有技术中，如果某地区水质电导率偏低，在使用电极式加湿器时，便需要在水流入加湿桶2之后，在加湿桶2内增加电解质，例如氯化钠等，这就使得空调器需要额外增加一个投放装置，无论在生产过程中还是对投放装置进行控制的过程中都会带来不便。
如图1和图3所示，为解决现有的电极式加湿器在水质电导率偏低时，需要额外增加电解质才能正常工作的问题，本发明的电极式加湿器包括依次连通的进水管路1、加湿桶2和出水管路3、设置 于加湿桶2内的加热电极4以及与进水管路1和加湿桶2的内底部连通的电导率检测器，电极式加湿器的控制方法包括：
S100、在向加湿桶内注水的同时，通过电导率检测器检测进水管路水质电导率σ g；
S200、比较进水管路水质电导率σ g与水质电导率阈值σ 0的大小；
S300、基于比较结果，选择性地控制电极式加湿器进入提升加湿桶内水质电导率的操作模式。
本发明的电极式加湿器的控制方法，首先通过S100步骤，来检测出进水管路1内的水流的水质电导率σ g，然后在S200步骤中将σ g与预设好的水质电导率阈值σ 0进行比较，其中，σ 0可以是电极式加湿器正常使用时较为适宜的一个水质电导率，最后在S300步骤中根据两者的大小，来确定是否控制电极式加湿器进入提升加湿桶内水质电导率的操作模式，如果加湿桶2内的水质电导率在正常范围，则控制电极式加湿器正常运行，如果水质电导率较低，则控制电极式加湿器进入提升加湿桶内水质电导率的操作模式，以此来提升水质电导率。由于此方法是一种控制方法，无需额外增加电解质投放装置，也就解决了现有的电极式加湿器在水质电导率偏低时，需要额外增加电解质才能正常工作的问题。
下面参照图1至图3，对本发明的电极式加湿器的控制方法的一种实施方式进行详细介绍。其中，图2为本发明的电极式加湿器的控制方法的逻辑图。
上面已经描述过S100-S300的步骤，在此不再赘述，由于各个地区的水质电导率不同，为了进一步判断是否需要提升水质的电导率，便需要先确定现有水质的电导率σ g，并通过与预设好的水质电导率阈值σ 0进行比较，才能够确认是否需要进入提升加湿桶2内水质电导率的操作模式。由于纯水是不导电的，真正导电的是溶解于水中的电解质，电解质的占比，直接影响着水质电导率的大小，本发明基于此点，提出一种操作模式，使加湿桶内水质电导率增加。具体地，S300的步骤进一步包括：
S310、当σ g＜σ 0时，控制电极式加湿器进入提升加湿桶内水质电导率的操作模式；
S311、继续向加湿桶内注水直至达到设定水位时停止注水；
S312、从加湿桶向外排出第二设定量的水；
S313、控制加热电极进行加热；
S314、在控制加热电极进行加热的同时或之后，检测加湿桶内的水质电导率σ n；
在S314步骤之后，判断σ n与σ 0以及σ 0+△σ的数值，根据数值大小，选择性地进入S315步骤或S316步骤，其中，△σ为水质电导率补偿值；
当σ 0+△σ≥σ n≥σ 0但加湿桶2内的水位达到设定水位时，说明此时水质电导率的数值仍然不够，仍然需要继续增加，执行步骤S315，停止向加湿桶2内注水，并重新返回S313步骤，重复上述操作；当加湿桶2内的水位未达到设定水位但σ n＜σ 0时，说明在注水过程中水质电导率已经过低，再注水会影响正常电加热通电过程，执行步骤S315，停止向加湿桶2内注水，并重新返回S313步骤，重复上述操作；
当σ n≥σ 0+△σ时，进入S316步骤，重新向加湿桶2内注水。当加湿桶2内的水位达到设定水位且σ n≥σ 0+△σ，便代表着加湿桶2内水量充足，且已经完成了加湿桶2内的水质电导率的提升工作。
下面对提升加湿桶内水质电导率的原理进行表述：S310步骤代表了现有的加湿桶内水质电导率偏低，首先通过S311步骤将水注满，为了安全起见，通常情况下会增加S312的放部分水的步骤，从而避免加湿桶2内的水过满而可能引发的水溢出导致漏电的情况。在通过液位传感器10检测到水注满后，进入S313步骤，控制加热电极加热，由于电解质并不能挥发，此时随着水蒸汽的挥发，留在加湿桶2内的电解质的浓度将变大，相应地水质电导率变大。进入S314步骤，在加热的同时或之后，检测加湿桶2内的水质电导率σ n，当σ 0+△σ≥σ n≥σ 0但加湿桶2内的水位达到设定水位时，或当加湿桶2内的水位未达到设定水位但σ n＜σ 0时，若再继续注水，电导率已经不能达到预设的σ n＝σ 0+△σ，因此进入S315步骤，停止向加湿桶2内注水，重新返回S313步骤，使水质电导率进一步提升。当σ n≥σ 0+△σ，此时说明水质电导率仍然较高，可以继续注水，执行S316步骤，直至加 湿桶2内的水到达设定水位，且σ n≥σ 0+△σ，说明已经完成了对加湿桶2内水质电导率的提升，此时结束提升加湿桶内水质电导率的操作模式。
当然，如果当σ g≥σ 0，此时说明无需对水质电导率进行提升。因此，S300的步骤进一步包括：
S320、当σ g≥σ 0时，控制电极式加湿器进入维持加湿桶内水质电导率的操作模式；
S321、继续向加湿桶内注水直至达到设定水位时停止注水；
S322、从加湿桶向外排出第二设定量的水；
S323、控制加热电极进行加热；
S324、从加湿桶内排出第一设定量的水，并重新返回S321步骤。
下面对维持加湿桶内水质电导率的原理进行表述：由于σ g≥σ 0，已经表明现有进水管路1中的水并不需要进行水质电导率提升，只需要维持水质电导率即可。S321步骤为加满加湿桶内的水，为后续加湿器工作做准备；S322步骤与上述S312的步骤的作用相同，均是为了安全起见增设的步骤；S323步骤为控制加热电极进行加热，也即加湿器正常工作过程，由于工作过程中会使得加湿桶内的水质电导率增加，水质电导率过高会产生电火花，电流过大会使水蒸发更快，也会造成安全隐患，因此，增加S324步骤，从加湿桶内排出第一设定量的水，并重新返回S321进行补水，由于已经将高浓度电解质的水排出第一设定量，并引入了新的正常浓度的水，这样便能够稳定加湿桶内的水质电导率。
综上所述，通过本发明的提升加湿桶2内水质电导率的操作模式，免去了电解质的投放，节约成本，减少部件数量，简易可行，使电极式加湿器的适用范围更加广泛。
需要说明的是，上述实施方式仅仅用来阐述本发明的原理，并非旨在与限制本发明的保护范围，在不偏离本发明原理的条件下，本领域技术人员能够对上述结构进行调整，以便本发明能够应用于更加具体的应用场景。
例如，在一种可替换的实施方式中，“提升加湿桶内水质电导率的操作模式”的步骤中，显然可以去掉S312的步骤，将设定水 位适当调低即可，同样地，“维持加湿桶内水质电导率的操作模式”的步骤中，显然可以去掉S322的步骤，这些都不偏离本发明的原理，因此都将落入本发明的保护范围之内。
此外，参照图3，本发明还提供了一种电极式加湿器，该电极式加湿器是上述任一实施方式中的电极式加湿器，并且电极式加湿器还包括控制器(图中未示出)、设置在进水管路1中的进水阀7和设置在出水管路3中的出水阀8，控制器与进水阀7、出水阀8、加热电极4和电导率检测器通信连接，并且被配置成能够通过进水阀7、出水阀8、加热电极4或电导率检测器执行或者自行执行上述任一项技术方案中的控制方法。
进一步地，电极式加湿器还包括注水盒9，电导率检测器包括第一电导率检测器5和第二电导率检测器6，注水盒9与加湿桶2通过进水管路1连接，第一电导率检测器5设置在加湿桶2的底部，检测结果更为准确，第二电导率检测器6设置在注水盒9内。增加注水盒9，能够存储进水管路1中的水，在检测水质电导率时，静止的水比流动的水检测更加准确，因此，增加了注水盒9也就使得进水管路1中的水的水质电导率σ g的测量更加准确。
本领域技术人员可以理解，上述电极式加湿器还包括一些其他公知结构，例如处理器、控制器、存储器等，其中，存储器包括但不限于随机存储器、闪存、只读存储器、可编程只读存储器、易失性存储器、非易失性存储器、串行存储器、并行存储器或寄存器等，处理器包括但不限于CPLD/FPGA、DSP、ARM处理器、MIPS处理器等。为了不必要地模糊本公开的实施例，这些公知的结构未在附图中示出。
上述实施例中虽然将各个步骤按照上述先后次序的方式进行了描述，但是本领域技术人员可以理解，为了实现本实施例的效果，不同的步骤之间不必按照这样的次序执行，其可以同时(并行)执行或以颠倒的次序执行，这些简单的变化都在本发明的保护范围之内。
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。

Claims (10)

  1. 一种电极式加湿器的控制方法，所述电极式加湿器包括依次连通的进水管路、加湿桶和出水管路、设置于加湿桶内的加热电极以及与进水管路和加湿桶的内底部连通的电导率检测器，其特征在于，所述控制方法包括：
    在向加湿桶内注水的同时，通过电导率检测器检测进水管路水质电导率σ g；
    比较进水管路水质电导率σ g与水质电导率阈值σ 0的大小；
    基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式。
  2. 根据权利要求1所述的电极式加湿器的控制方法，其特征在于，“基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式”的步骤具体包括：
    当σ g＜σ 0时，控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式。
  3. 根据权利要求2所述的电极式加湿器的控制方法，其特征在于，“提升加湿桶内水质电导率的操作模式”进一步包括：
    继续向加湿桶内注水直至达到设定水位时停止注水；
    控制加热电极进行加热。
  4. 根据权利要求3所述的电极式加湿器的控制方法，其特征在于，所述控制方法还包括：
    步骤1，在控制加热电极进行加热的同时或之后，检测加湿桶内的水质电导率σ n；
    步骤2，当σ n≥σ 0+△σ时，重新向加湿桶内注水；
    步骤3，当σ 0+△σ≥σ n≥σ 0但加湿桶内的水位达到设定水位时，或者当加湿桶内的水位未达到设定水位但σ n＜σ 0时，停止向加湿桶内注水；
    其中，△σ为水质电导率补偿值。
  5. 根据权利要求4所述的电极式加湿器的控制方法，其特征在于，在σ 0+△σ≥σ n≥σ 0但加湿桶内的水位达到设定水位或者加湿桶内的水位未达到设定水位但σ n＜σ 0而停止向加湿桶内注水之后，所述控制方法还包括：
    控制加热电极进行加热；
    执行权利要求4所述的步骤1-3。
  6. 根据权利要求1所述的电极式加湿器的控制方法，其特征在于，“基于比较结果，选择性地控制所述电极式加湿器进入提升加湿桶内水质电导率的操作模式”的步骤具体包括：
    当σ g≥σ 0时，控制所述电极式加湿器进入维持加湿桶内水质电导率的操作模式。
  7. 根据权利要求6所述的电极式加湿器的控制方法，其特征在于，“维持加湿桶内水质电导率的操作模式”进一步包括：
    步骤1，继续向加湿桶内注水直至达到设定水位时停止注水；
    步骤2，控制加热电极进行加热；
    步骤3，从加湿桶内排出第一设定量的水；
    步骤4，循环执行步骤1-3。
  8. 根据权利要求3、5或7所述的电极式加湿器的控制方法，其特征在于，在“向加湿桶内注水直至达到设定水位而停止注水”的步骤之后、“控制加热电极进行加热”的步骤之前，所述控制方法还包括：
    从加湿桶向外排出第二设定量的水。
  9. 一种电极式加湿器，其特征在于，所述电极式加湿器是权利要求1至8中任一项所述的电极式加湿器，所述电极式加湿器还包括控制器、设置在所述进水管路中的进水阀和设置在所述出水管路中的出水阀，所述控制器与所述进水阀、所述出水阀、所述加热电极和所述电导率检测器通信连接，并且被配置成能够通过所述进水阀、所述出水阀、所述加热电极或所述电导率检测器执行或者自行执行上述权利要 求1至8中任一项所述的控制方法。
  10. 根据权利要求9所述的电极式加湿器，其特征在于，所述电极式加湿器还包括注水盒，所述电导率检测器包括第一电导率检测器和第二电导率检测器，所述注水盒与所述加湿桶通过所述进水管路连接，所述第一电导率检测器设置在所述加湿桶的底部，所述第二电导率检测器设置在所述注水盒内。
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