WO2021082288A1 - 加湿器及其关机控制方法 - Google Patents

加湿器及其关机控制方法 Download PDF

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Publication number
WO2021082288A1
WO2021082288A1 PCT/CN2020/072417 CN2020072417W WO2021082288A1 WO 2021082288 A1 WO2021082288 A1 WO 2021082288A1 CN 2020072417 W CN2020072417 W CN 2020072417W WO 2021082288 A1 WO2021082288 A1 WO 2021082288A1
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WO
WIPO (PCT)
Prior art keywords
liquid level
control system
humidifier
wet curtain
air
Prior art date
Application number
PCT/CN2020/072417
Other languages
English (en)
French (fr)
Inventor
张文东
赵俊
李虎
廖辉
肖松
Original Assignee
东莞市漫步者科技有限公司
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Publication of WO2021082288A1 publication Critical patent/WO2021082288A1/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
    • 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
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/247—Active noise-suppression
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the invention relates to the technical field of air humidification and purification, in particular to a humidifier and a shutdown control method thereof.
  • the humidifiers in daily use mainly include ultrasonic and evaporative humidification methods.
  • Ultrasonic humidifiers are cheap and strong in humidifying power, but they can only use pure water, and because of the large diameter of the water droplets in the sprayed water mist, it is easy to be contaminated with various harmful particles in the air; at the same time, because the pure water does not contain tap water
  • the chlorine in the water storage tank can easily breed bacteria, so in recent years, more and more consumers have refused to use this type of humidifier.
  • the evaporative humidifier relies on the evaporation of water to increase the humidity. Because it evaporates molecular water, and the diameter of the water molecule is much smaller than the various harmful dust in the air, it is not easy to be contaminated with harmful dust, and it can also be used. Tap water is therefore favored by consumers.
  • the wet curtain humidifier commonly used in evaporative humidifiers there are obvious shortcomings of small humidification capacity, especially when the air volume is low, the humidification capacity is almost zero.
  • the wet curtain is also easy to breed due to long-term humidity. Bacteria and peculiar smells greatly affect the user experience.
  • the present invention provides a humidifier and a shutdown control method thereof to solve the problem that the low-wind speed humidification effect of the evaporative humidifier in the prior art is not good and bacteria are easy to breed.
  • a humidifier comprising: a chassis body and a control system, the chassis body is provided with an air inlet and an air outlet,
  • an air flow channel is formed between the air inlet and the air outlet inside the chassis body
  • an air filter component, a heating component, and an evaporative wet curtain are further provided in sequence according to the air flow direction along the airflow channel, and the heating component is electrically connected to the control system.
  • a hanging basket is connected to the bottom of the chassis body, a water pump is provided in the hanging basket, and a fan is also provided on the chassis body.
  • the evaporative wet curtain, the heating part, and the air filter part are all configured in a cylindrical shape, and the heating part is arranged to be sheathed outside the evaporative wet curtain, so The air filter component is configured to be sleeved outside the heating component;
  • the air flow channel is formed by the air inlet, the inner pores of the air filter component, the inner pores of the heating component, the inner pores of the evaporative wet curtain, and the air outlet in sequence.
  • the airflow channel is formed by the air inlet, the inner pores of the air filter component, the inner pores of the heating component, and the inner pores of the evaporative wet curtain in sequence.
  • the channel section is a sealed channel.
  • the top of the evaporative wet curtain is provided with a water distribution tank
  • the bottom of the water distribution tank is provided with a water spray hole that penetrates the evaporative wet curtain
  • the drain nozzle of the pump is connected to the all through a connecting pipe. Describe the water inlet of the sink.
  • control system is used to control the water pump to stop running when the shutdown operation is performed, and to control the heating component and the heating unit after the water pump stops running for a first specified delay time. The fan stopped running.
  • control system is used to control the water pump and the heating component to stop running when the shutdown operation is performed, and to control the water pump and the heating component to stop running for a second specified delay period The fan stops running.
  • the humidifier further includes a water storage tank connected to the chassis body;
  • An ultrasonic liquid level sensor is installed obliquely on the installation surface of the chassis body facing the liquid in the water storage tank, and the ultrasonic liquid level sensor is used to detect the current liquid level in the water storage tank.
  • a germicidal lamp is also provided in the hanging basket, and the control system is electrically connected to both the germicidal lamp and the ultrasonic liquid level sensor, and the control system is used for When the current liquid level is higher than the preset value, the germicidal lamp is activated for a designated period of time.
  • a magnetic control liquid level sensor is provided at a position corresponding to the preset highest liquid level in the hanging basket, and the magnetic control liquid level sensor is used to detect whether the current liquid level reaches the The preset maximum liquid level;
  • the control system is electrically connected to the magnetic control type liquid level sensor, and is used to execute a preset alarm operation when it is detected that the current liquid level reaches the highest liquid level.
  • the humidifier further includes a water storage tank connected to the chassis body, and an array Hall liquid level sensor is arranged in the hanging basket, and the array Hall liquid level sensor is used to detect The current liquid level in the water storage tank, and the control system is electrically connected to the array Hall liquid level sensor, and the control system is used to detect the current liquid level in the array Hall liquid level sensor.
  • the preset alarm operation is executed.
  • a method for controlling shutdown of a humidifier comprising an evaporative wet curtain, a heating component, a water pump, a fan, and a control system, wherein the control system is electrically connected to the heating component, the water pump and the fan, and the shutdown
  • the control method includes: the control system controls the pump to stop running; and after the pump stops running for a specified delay time, the control system controls the fan to stop running.
  • the shutdown control method further includes: when the control system controls the fan to stop running, it also controls the heating component to stop running.
  • the shutdown control method further includes: when the control system controls the water pump to stop running, it also controls the heating component to stop running.
  • the specified delay time is greater than or equal to the time required to completely dry the evaporative wet curtain.
  • the present invention has the following beneficial effects:
  • an air filter component, a heating component, and an evaporative wet curtain are arranged in sequence according to the air flow direction, so that the air flowing into the humidifier is filtered and heated in turn and then flows out through the evaporative wet curtain, which not only can effectively improve Humidification capacity, and effectively reduce the air volume under the premise of a certain humidification capacity, thereby reducing noise, and can effectively ensure the cleanliness of the evaporative wet curtain and the water storage tank; in addition, through the delayed shutdown control, it has cleverly solved the long-term evaporation
  • the wet curtain is prone to mold and odor problems.
  • Figure 1 is a three-dimensional perspective view of a humidifier according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view of an implementation of the humidifier shown in Figure 1;
  • FIG. 3 is a cross-sectional view of another implementation of the humidifier shown in Figure 1;
  • FIG. 4 is a cross-sectional view of a part of the humidifier shown in FIG. 1 including a filter device, a heating component, and an evaporative wet curtain;
  • Fig. 5 is an exploded view of the humidifier shown in Fig. 1 including a filter device, a heating part, and an evaporative wet curtain;
  • Fig. 6 is a flowchart of a shutdown control method according to an embodiment of the present invention.
  • Humidifier 100 chassis body 1, air filter component 2, heating component 3, evaporative wet curtain 4, water storage tank 5, hanging basket 6, water pump 7, water distribution tank 8, fan 9, sterilization lamp 10.
  • a component when a component is considered to be “connected” to another component, it may be directly connected to another component or a centrally arranged component may exist at the same time.
  • a component When a component is considered to be “set on” another component, it can be directly set on another component or a centrally set component may also exist at the same time.
  • the embodiment of the present invention provides a humidifier 100, which mainly includes: a control system (not shown in the figure, in fact, it can be set at any position in the chassis body 1 according to needs), a chassis The main body 1, the air filter part 2, the heating part 3, the evaporative wet curtain 4 and the water storage tank 5.
  • the chassis body 1 is a hollow structure, and its inner cavity is used as an assembly space for other components.
  • the case body 1 is provided with an air inlet 15 and an air outlet 16, and an air flow channel is formed between the air inlet 15 and the air outlet 16 inside the case body 1.
  • an air filter part 2, a heating part 3, and an evaporative wet curtain 4 are arranged in sequence according to the direction of air flow along the airflow channel, so that the air flowing into the humidifier is filtered and heated in turn before passing through the evaporative wet curtain 4 and Outflow.
  • the air flowing into the humidifier first flows through the air filter component 2 along the airflow channel, and the air filter component 2 is used to filter the inflowing air in order to block various floating objects in the air (such as viruses as small as viruses and indoors).
  • Floating matter such as dust flocs
  • the air entering the rear stage of the humidifier is clean air, thereby blocking various air pollution sources from the source, and minimizing the possibility of floating matter remaining on the surface of the evaporative wet curtain 4
  • the possibility of contamination of the liquid in the water storage tank 5 by floating objects is avoided to the greatest extent, and the cleanliness of the liquid in the evaporative wet curtain 4 and the water storage tank 5 is ensured at the same time.
  • the air filtered by the air filter element 2 further flows through the heating element 3 along the airflow channel, and the heating element 3 is used to heat the filtered air, so that the air flow flowing into the humidifier changes from cold air to hot air.
  • the air that has become hot air then further flows through the evaporative wet curtain 4 along the airflow channel.
  • the water evaporation speed of the water film on the surface of the evaporative wet curtain 4 can be increased, and the humidifier can be humidified under the same air volume. The amount can also be effectively increased.
  • the evaporative wet curtain 4, the heating member 3, and the air filter member 2 are all configured in a cylindrical shape, and the heating member 3 is configured as It is sleeved outside the evaporative wet curtain 4, and the air filter component 2 is arranged to be sleeved outside the heating component 3.
  • the airflow path consists of the air inlet 15 of the cabinet body 1, the inner pores of the air filter component 2, the inner pores of the heating component 3, the inner pores of the evaporative wet curtain 4, and the chassis body.
  • the air outlets 16 of 1 are connected and formed in sequence.
  • the evaporative wet curtain 4, the heating part 3 and the air filter part 2 are arranged by adopting the above cylindrical sleeve method, which not only makes it possible to generate clean hot air to be evenly blown to the surface of the evaporative wet curtain 4, thereby
  • This makes it possible to effectively increase the amount of humidification, and also makes it possible to reduce the total assembly space occupied by the three, so that the surface area of the evaporative wet curtain 4, that is, the surface area of the water film, can be effectively increased in a limited space, thereby further increasing the amount of humidification.
  • the air filter component 2 can also adopt other structural designs other than the cylindrical shape, as long as the air filter component 2, the heating component 3 and the evaporative wet curtain 4 are in accordance with the air
  • the flow direction is arranged in sequence.
  • the air filter component 2 may specifically adopt a HEPA (High Efficiency Particulate Air Filter) cartridge with a high efficiency filtering effect, and may also adopt other filter components composed of at least one layer of filtering structure.
  • the heating component 3 is composed of a PTC upper cover 301, a PTC lower cover 302, a heating net 303, a PTC heater 304 and a PTC pressing plate 305.
  • the evaporative wet curtain 4 can be installed in the chassis body 1 through the wet curtain bracket 13.
  • the air inlet 15, the inner pores of the air filter component 2, the inner pores of the heating component 3, and the inner layer of the evaporative wet curtain 4 in the above-mentioned air flow channel The passage section formed by the pores connected in sequence can adopt a sealed design to ensure that all air flowing in from the outside flows to the surface of the evaporative wet curtain 4 after being filtered and heated in sequence, so as to maximize the utilization rate of hot air and increase the amount of humidification. , And at the same time make the final outflow air all clean air.
  • the water storage tank 5 is connected to the bottom of the chassis body 1, and the evaporative wet curtain 4 is realized by a water spray type.
  • a hanging basket 6 is also connected to the bottom of the chassis body 1, a suction pump 7 is installed in the hanging basket 6, a water cloth groove 8 is provided on the top of the evaporative wet curtain 4, and a number of water cloth grooves 8 are provided at the bottom to penetrate to the evaporative humidity.
  • the water spray hole of the curtain 4 and the drain nozzle of the pump 7 are connected to the water inlet of the water distribution tank 8 through a connecting pipe. As shown in FIG. 4 and FIG.
  • a water cloth tank 8 with a water spray hole at the bottom is set at the top of the wet curtain bracket 13, so that the water cloth tank 8 is located directly above the evaporative wet curtain 4 installed on the outer periphery of the wet curtain bracket 13 .
  • the chassis body 1 is also provided with a fan 9 for forming air flow from the air inlet 15 to the air outlet 16.
  • the fan 9 is located at the position of the air outlet 16 of the chassis body 1, but in fact, it can also be arranged at other positions (such as the position of the air inlet 15), which is not specifically limited.
  • the water pump 7 transfers the liquid in the water storage tank 5 to the water distribution tank 8 through the connecting pipe.
  • the liquid in the water distribution tank 8 is continuously and evenly poured into the evaporative wet curtain 4 through the water spray hole under the action of gravity.
  • the excess water flows into the water storage tank 5 through the drain groove 14 located at the bottom of the evaporative wet curtain 4; at the same time, the fan 9 rotates so that the outside air flows in to form an air flow.
  • the air flow is filtered and heated to form clean hot air.
  • Continuously flowing through the evaporative wet curtain 4 so that the moisture in the evaporative wet curtain 4 evaporates, thereby achieving a humidification effect.
  • the control system adopts a delayed shutdown control scheme.
  • the control system can control the water pump 7 to stop running when the shutdown operation is performed, and control the heating component 3 and the fan to stop running after the water pump 7 stops running for a first specified delay time.
  • the control system can control the water pump 7 and the heating component 3 to stop running when the shutdown operation is performed, and after the water pump and the heating component stop running for a second specified delay time, control The fan stopped running.
  • the hot or cold air flow can continue to form to the surface of the evaporative wet curtain 4, thereby promoting the internal moisture of the evaporative wet curtain 4 to evaporate, and finally make The evaporative wet curtain 4 becomes dry, effectively preventing the wet curtain from becoming moldy.
  • the first designated delay time and the second designated delay time can be flexibly set according to actual needs, and are usually not less than (that is, greater than or equal to) the time required to completely dry the evaporative wet curtain 4.
  • a germicidal lamp 10 such as a dual-band ultraviolet germicidal lamp 10 is provided in the hanging basket 6.
  • An ultrasonic liquid level sensor is installed obliquely on the installation surface of the chassis body 1 facing the liquid in the water storage tank 5, and the ultrasonic liquid level sensor is used to detect the current liquid level of the liquid in the water storage tank 5.
  • the control system is also used to start the germicidal lamp 10 to work for a specified time when the current level of the liquid in the water storage tank 5 is higher than the preset value, so as to ensure that the germicidal lamp 10 is turned on when it is completely immersed in the liquid, thereby ensuring safe use .
  • a magnetically controlled liquid level sensor 12 is further provided at a position in the hanging basket 6 corresponding to the preset highest liquid level, and the magnetically controlled liquid level sensor 12 can be used to detect Whether the current level of the liquid in the humidifier (for example, the current level of the liquid in the water storage tank 5 mentioned above) reaches the preset maximum level.
  • the control system is also used to perform preset alarm operations (such as sound and light alarm operations) when it detects that the current liquid level reaches the highest level, to remind the user that the current liquid level is too high, so that the user can take any appropriate actions in time. Measures to stop the humidifier from working to avoid any safety issues.
  • the magnetic control liquid level sensor 12 can also be used to calibrate the current liquid level detected in real time by the ultrasonic liquid level sensor 11 to improve the control system The control accuracy of the switch operation of the germicidal lamp 10 is performed.
  • the array type Hall liquid level sensor 17 can be used to detect the current liquid level in the water storage tank.
  • the array Hall liquid level sensor 17 since the array Hall liquid level sensor 17 is arranged in the hanging basket, it can avoid the inaccurate water level test caused by the sloshing of the liquid level, and the structure of this implementation is relatively more precise and simple.
  • the array Hall liquid level sensor 17 is also electrically connected to the control system, so that the control system can be used to perform a preset alarm operation when the array Hall liquid level sensor 17 detects that the current liquid level reaches the highest or lowest liquid level. For example, when the current liquid level reaches the highest liquid level or the lowest liquid level, the array-type Hall liquid level sensor 17 will send a relevant signal to the control system. As a response to the signal, the control system will perform an alarm operation, such as sending a standby command Wait.
  • the humidifier of this embodiment can be applied to various occasions that require indoor humidification, and through the reasonable arrangement of heating components, a huge amount of humidification can be realized, for example, it can reach a humidification amount of more than 500 ml per hour at the lowest wind speed.
  • the air volume can be reduced under the premise of a certain amount of humidification, thereby reducing noise;
  • the cleanliness of the evaporative wet curtain 4 and the water storage tank 5 are effectively improved; in addition, by implementing delayed shutdown
  • the control ingeniously solves the long-standing problems of evaporative wet curtain 4 that are prone to mold and produce peculiar smell.
  • the second embodiment provides a humidification treatment method, including: in the air flow channel, before the air flows to the surface of the evaporative wet curtain, the air is filtered first, and then the air is filtered. The air is heated.
  • the second embodiment also provides a shutdown control method 600, which specifically includes: in step 601, controlling the pump 7 to stop running. In step 602, after the pump 7 is controlled to stop running for a specified delay time, the fan 9 is controlled to stop running.
  • the above method can be executed by the control system included in the humidifier when a shutdown instruction is received.
  • the method further includes, while controlling the fan 9 to stop running, controlling the heating component 3 to stop running.
  • This step can also be performed by the control system. That is to say, in this implementation, the method specifically includes first controlling the pump 7 to stop running, and then controlling the heating component 3 and the fan 9 to stop running after the pump 7 stops running for a first specified delay time.
  • the method further includes controlling the heating component 3 to stop running while controlling the water pump 7 to stop running.
  • This step can also be performed by the control system.
  • the method specifically includes first controlling the heating component 3 and the water pump 7 to stop running, and then controlling the fan 9 to stop running after the water pump 7 stops running for a second specified delay time.
  • the designated delay time (for example, the first designated delay time and the second designated delay time mentioned above) can be flexibly set according to actual needs, usually not less than (that is, greater than or equal to) to completely dry the evaporative wet curtain 4 The length of time required.
  • the second embodiment adopts a solution to delay stop control of some devices, so that the evaporation curtain 4 is in a dry state after the machine is shut down, thereby solving the problem.

Abstract

一种加湿器（100）及其关机控制方法（600），加湿器（100）包括：机箱本体（1）和控制系统，机箱本体（1）上开设有进风口（15）和出风口（16），在机箱本体（1）内部在进风口（15）和出风口（16）之间形成有气流通道；在机箱本体（1）内部，按照空气沿气流通道的流动方向还依次设有空气过滤部件（2）、加热部件（3）以及蒸发湿帘（4），加热部件（3）与控制系统电连接。关机控制方法（600）包括：控制系统控制抽水泵（7）停止运行；以及在抽水泵（7）停止运行达指定延时时长后，控制系统控制风机（9）停止运行。该加湿器（100）不仅可以有效地提高加湿量，而且还可有效确保蒸发湿帘（4）和储水罐（5）的洁净度；另外，通过延时关机控制，巧妙地解决了长期以来蒸发湿帘（4）易发霉及产生异味的问题。

Description

加湿器及其关机控制方法
本申请要求于2019年10月31日提交中国专利局、申请号为201911054093.5、发明名称为“一种加湿器及其关机控制方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及空气加湿净化技术领域，尤其涉及一种加湿器及其关机控制方法。
背景技术
目前，日常使用的加湿器从加湿方式上主要包括：超声波式和蒸发式。
超声波式加湿器廉价、加湿力强，但只能使用纯净水，而且由于其喷出的水雾中的水滴直径较大，容易沾染空气中的各种有害颗粒；同时，由于纯净水中不含自来水中的氯，会造成储水罐极易滋生细菌，因此近年来越来越多的消费者拒绝使用此类加湿器。
蒸发式加湿器是依靠水分的蒸发来提高湿度，由于其蒸发出的是分子态的水，而水分子的直径远小于空气中的各种有害尘埃，因此不容易沾染有害尘埃，还可以使用普通自来水，因此受到消费者的青睐。然而，对于蒸发式加湿器中常用的湿帘式加湿器，目前存在着加湿量小的明显缺陷，尤其是低风量时加湿量几乎为零，此外湿帘还因长期处于潮湿状态导致极易滋生细菌、产生异味，大大影响了用户的使用体验。
发明内容
针对现有技术的不足，本发明提供一种加湿器及其关机控制方法，解决现有技术中蒸发式加湿器的低风速加湿效果不佳且容易滋生细菌的问题。
为实现上述目的，本发明提供以下的技术方案：
一种加湿器，包括：机箱本体和控制系统，所述机箱本体上开设有进 风口和出风口，
其中，在所述机箱本体内部在所述进风口和所述出风口之间形成有气流通道；
并且，其中，在所述机箱本体内部，按照空气沿所述气流通道的流动方向还依次设有空气过滤部件、加热部件以及蒸发湿帘，所述加热部件与所述控制系统电连接。
在一种实现中，所述机箱本体的底部连接有吊篮，所述吊篮内设有抽水泵，并且所述机箱本体上还设有风机。
在一种实现中，所述蒸发湿帘、所述加热部件和所述空气过滤部件均被构造成呈圆筒状，并且所述加热部件被设置为套设在所述蒸发湿帘外，所述空气过滤部件被设置为套设在所述加热部件外；
所述气流通道由所述进风口、所述空气过滤部件的内层孔隙、所述加热部件的内层孔隙、所述蒸发湿帘的内层孔隙、以及所述出风口依次连通形成。
在一种实现中，所述气流通道中，由所述进风口、所述空气过滤部件的内层孔隙、所述加热部件的内层孔隙和所述蒸发湿帘的内层孔隙依次连通形成的通道段为密封通道。
在一种实现中，所述蒸发湿帘的顶部设布水槽，所述布水槽的底部设有贯通至所述蒸发湿帘的淋水孔，所述抽水泵的排水嘴通过连接管连通至所述布水槽的进水口。
在一种实现中，所述控制系统用于在执行关机操作时，控制所述抽水泵停止运行，以及在所述抽水泵停止运行达第一指定延时时长后，控制所述加热部件和所述风机停止运行。
在一种实现中，所述控制系统用于在执行关机操作时，控制所述抽水泵和加热部件停止运行，以及在所述抽水泵和加热部件停止运行达第二指定延时时长后，控制所述风机停止运行。
在一种实现中，所述加湿器还包括与所述机箱本体连接的储水罐；
所述机箱本体的朝向所述储水罐内液体的安装面上倾斜安装有超声波液位传感器，所述超声波液位传感器用于检测所述储水罐内的当前液位。
在一种实现中，所述吊篮内还设置有杀菌灯，并且所述控制系统与所述杀菌灯和所述超声波液位传感器两者都电连接，并且所述控制系统用于在所述当前液位高于预设值时启动所述杀菌灯工作指定时长。
在一种实现中，在所述吊篮内对应于预设的最高液位的位置处设有磁控式液位传感器，所述磁控式液位传感器用于检测当前液位是否达到所述预设的最高液位；并且
所述控制系统，与所述磁控式液位传感器电连接，用于在检测到所述当前液位达到最高液位时执行预设报警操作。
在一种实现中，所述加湿器还包括与所述机箱本体连接的储水罐，所述吊篮中设置有阵列式霍尔液位传感器，所述阵列式霍尔液位传感器用于检测所述储水罐内的当前液位，并且所述控制系统与所述阵列式霍尔液位传感器电连接，所述控制系统用于在所述阵列式霍尔液位传感器检测到所述当前液位达到最高或最低液位时执行预设报警操作。
一种加湿器的关机控制方法，所述加湿器包括蒸发湿帘、加热部件、抽水泵、风机和控制系统，其中，所述控制系统与所述加热部件、抽水泵和风机电连接，所述关机控制方法包括：所述控制系统控制所述抽水泵停止运行；以及在所述抽水泵停止运行达指定延时时长后，所述控制系统控制所述风机停止运行。
在一种实现中，该关机控制方法进一步包括：所述控制系统在控制所述风机停止运行的同时，还控制所述加热部件停止运行。
在一种实现中，该关机控制方法进一步包括：所述控制系统在控制所述抽水泵停止运行的同时，还控制所述加热部件停止运行。
在一种实现中，所述指定延时时长大于或等于使所述蒸发湿帘完全干 燥所需的时长。
与现有技术相比，本发明具有以下有益效果：
本发明所提供的加湿器中，按照空气流动方向依次设置空气过滤部件、加热部件以及蒸发湿帘，使得流入加湿器的空气依次经过过滤和加热后经过蒸发湿帘流出，不仅可以有效地提高了加湿量，并在加湿量一定的前提下有效减小风量，从而降低噪音，而且可有效确保蒸发湿帘和储水罐的洁净度；另外，通过延时关机控制，巧妙地解决了长期以来蒸发湿帘易发霉及产生异味的问题。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为根据本发明的实施例的加湿器的立体透视图；
图2为图1所示的加湿器的一种实现的剖视图；
图3为图1所示的加湿器的另一实现的剖视图；
图4为图1所示的加湿器中包括过滤器件、加热部件及蒸发湿帘的部分的剖视图；
图5为图1所示的加湿器中包括过滤器件、加热部件及蒸发湿帘的部分的分解图；
图6为根据本发明的实施例的关机控制方法的流程图。
【图号说明】：加湿器100、机箱本体1、空气过滤部件2、加热部件3、蒸发湿帘4、储水罐5、吊篮6、抽水泵7、布水槽8、风机9、杀菌灯10、超声波液位传感器11、磁控式液位传感器12、湿帘支架13、排水槽14、 进风口15、出风口16、阵列式霍尔液位传感器17、PTC上盖301、PTC下盖302、加热网303、PTC加热器304、PTC压板305、关机控制方法600。
具体实施方式
为使得本发明的目的、特征、优点能够更加的明显和易懂，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，下面所描述的实施例仅仅是本发明一部分实施例，而非全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中设置的组件。当一个组件被认为是“设置在”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中设置的组件。
此外，术语“长”、“短”、“内”、“外”等指示方位或位置关系为基于附图所展示的方位或者位置关系，仅是为了便于描述本发明，而不是指示或暗示所指的装置或原件必须具有此特定的方位、以特定的方位构造进行操作，以此不能理解为本发明的限制。
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。
实施例一
请参阅图1至图5，本发明实施例提供了一种加湿器100，主要包括：控制系统(图中未示出，实际上其可根据需要设置在机箱本体1内的任何位置)、机箱本体1、空气过滤部件2、加热部件3、蒸发湿帘4和储水罐5。
机箱本体1为中空结构，其内腔作为其他部件的装配空间。
机箱本体1上开设有进风口15和出风口16，并且在机箱本体1内部在进风口15和出风口16之间形成有气流通道。在机箱本体内部，按照空气沿气流通道的流动方向还依次设置有空气过滤部件2、加热部件3以及蒸发湿帘4，使得流入加湿器的空气依次经过过滤和加热后再经过蒸发湿 帘4并流出。
其中，流入加湿器的空气首先沿着气流通道流经空气过滤部件2，空气过滤部件2用于对流入的空气进行过滤，以便阻隔空气中的各种漂浮物(诸如，小到病毒大到室内尘絮等的漂浮物)，并保证进入加湿器后级的空气为洁净的空气，从而从源头阻断了各种空气污染源，最大程度地降低了漂浮物残留于蒸发湿帘4表面的可能性，同时最大程度地避免了储水罐5内的液体被漂浮物污染的可能性，同时保证了蒸发湿帘4和储水罐5内液体的洁净度。
随后，经空气过滤部件2过滤的空气进一步沿着气流通道流经加热部件3，加热部件3用于对经过滤的空气进行加热，使得流入加湿器内部的空气气流从冷风变成热风。变成热风后的空气随后进一步沿着气流通道流经蒸发湿帘4。在本文中，由于流经蒸发湿帘4的气流是经加热部件3加热后的热风，因此蒸发湿帘4表面水膜的水分蒸发速度可以得到提高，进而在同等风量的前提下加湿器的加湿量也可以得到有效地提高。此外，由于加热部件3设置在空气过滤部件2与蒸发湿帘4之间，因此尤其在蒸发湿帘4为淋水式蒸发湿帘4的情况下，可有效地防止水分溅至空气过滤部件2的表面，从而实现了对空气过滤部件2的防水保护效果，进而大大延长了空气过滤部件2的使用寿命。
具体的，如图4和图5所示，在本实施例的加湿器中，蒸发湿帘4、加热部件3和空气过滤部件2均被构造成呈圆筒状，并且加热部件3被设置为套设在蒸发湿帘4外，空气过滤部件2被设置为套设在加热部件3外。而且，在本实施例的加湿器中，气流通道由机箱本体1的进风口15、空气过滤部件2的内层孔隙、加热部件3的内层孔隙、蒸发湿帘4的内层孔隙以及机箱本体1的出风口16依次连通形成。在本实施例中，通过采用以上圆筒套设方式来设置蒸发湿帘4、加热部件3和空气过滤部件2，不仅使得能够产生洁净的热风来均匀地吹至蒸发湿帘4的表面，从而使得可以有效地提高加湿量，而且还使得能够减小三者所占用的总装配空间，从而可在有限空间内有效提高蒸发湿帘4的表面积，即水膜表面积，进而进一步提 高了加湿量。
需要说明的是，空气过滤部件2、加热部件3和蒸发湿帘4也可以采用除圆筒状以外的其他结构设计，只要满足空气过滤部件2、加热部件3和蒸发湿帘4三者按照空气流动方向依次排布的要求即可。空气过滤部件2具体可采用具有高效过滤效果的HEPA(High efficiency particulate air Filter，高效空气过滤器)滤筒，此外也可采用由至少一层过滤结构组成的其他过滤部件。加热部件3由PTC上盖301、PTC下盖302、加热网303、PTC加热器304和PTC压板305组成。蒸发湿帘4可通过湿帘支架13设于机箱本体1内。
为确保良好的空气净化效果以及实现较大的加湿量，对于上述气流通道中，由进风口15、空气过滤部件2的内层孔隙、加热部件3的内层孔隙和蒸发湿帘4的内层孔隙依次连通形成的通道段可采用密封设计，以确保由外界流入的所有空气在依次经过过滤、加热处理后全部流至蒸发湿帘4的表面，从而最大程度地获得热风利用率，提高加湿量，同时使得最终流出空气全部为洁净空气。
本实施例中，储水罐5连接于机箱本体1的底部，蒸发湿帘4采用淋水式实现。为此，机箱本体1的底部还连接有吊篮6，吊篮6内设有抽水泵7，蒸发湿帘4的顶部设有布水槽8，布水槽8的底部设有若干个贯通至蒸发湿帘4的淋水孔，抽水泵7的排水嘴通过连接管连通至布水槽8的进水口。结合图4和图5所示，底部设有淋水孔的布水槽8设置在湿帘支架13的顶端位置，从而使得布水槽8位于安装于湿帘支架13外周的蒸发湿帘4的正上方。
机箱本体1上还设有风机9，用于形成由进风口15向出风口16方向流动的气流。本实施例中，风机9位于机箱本体1的出风口16的位置，但实际上也可被设置于其他位置(如进风口15的位置)，具体不限制。
在加湿器工作时，抽水泵7将储水罐5内的液体经过连接管输送至布水槽8，布水槽8内的液体在重力作用下经过淋水孔持续性地均匀淋至蒸发湿帘4内，多余的水分经位于蒸发湿帘4底部的排水槽14流至储水罐5 内；与此同时，风机9转动，以使外界空气流入形成气流，气流依次经过过滤和加热后形成洁净热风，持续地流过蒸发湿帘4，使得蒸发湿帘4内的水分蒸发，从而实现加湿效果。
由于加湿器停止工作后，处于湿润状态的蒸发湿帘4比较容易发霉、产生异味，因此本实施例中，控制系统采用延时关机控制方案。例如，在一种实现中，控制系统可在执行关机操作时，控制抽水泵7停止运行，并在抽水泵7停止运行达第一指定延时时长后，控制加热部件3和风机停止运行。又如，在另一实现中，控制系统可在执行关机操作时，控制抽水泵7和加热部件3停止运行，并在所述抽水泵和加热部件停止运行达第二指定延时时长后，控制风机停止运行。
通过上述延时关机控制，可在停止对蒸发湿帘4淋水之后的一段时间内，继续形成热气或者冷气流至蒸发湿帘4的表面，从而促使蒸发湿帘4的内部水分蒸发，最终使得蒸发湿帘4变得干燥，有效防止湿帘发霉。
第一指定延时时长和第二指定延时时长可以根据实际需求来灵活设定，通常不小于(即大于或等于)使蒸发湿帘4完全干燥所需的时长。
在一种实现中，如图2所示，吊篮6内设有杀菌灯10，如双波段紫外线杀菌灯10。在机箱本体1的朝向储水罐5内液体的安装面上倾斜安装有超声波液位传感器，该超声波液位传感器用于检测储水罐5内液体的当前液位。控制系统还用于在储水罐5内液体的当前液位高于预设值时，启动杀菌灯10工作达指定时长，以保证杀菌灯10在完全浸入液体中时才开启，从而确保使用安全。
在该实现中，进一步如图2所示，在吊篮6内对应于预设的最高液位的位置处进一步设置有磁控式液位传感器12，该磁控式液位传感器12可用于检测该加湿器内液体的当前液位(例如，以上提到的储水罐5内液体的当前液位)是否达到该预设的最高液位。控制系统还用于在检测到当前液位达到最高液位时执行预设报警操作(如声、光报警操作)，以提醒用户“当前液位过高”，从而使得用户能够及时地采取任何适当的措施来使加湿器整机停止工作，以避免发生任何安全问题。除了用于检测当前液位是否 达到预设的最高液位之外，磁控式液位传感器12还可用于对由超声波液位传感器11实时检测到的当前液位进行校准，以提高控制系统对杀菌灯10进行开关操作的控制精度。
在另一实现中，取代在加湿器中设置以上提到的超声波液位传感器11和磁控式液位传感器12，而是改为如图3所示在吊篮中设置阵列式霍尔液位传感器17，该阵列式霍尔液位传感器17可用于检测所述储水罐内的当前液位。在该实现中，由于阵列式霍尔液位传感器17是设置在吊篮中的，因此可以避免因液面晃动造成水位测试不准的情况，且这种实现的结构相对更为精确简洁。另外，阵列式霍尔液位传感器17还与控制系统电连接，使得控制系统可用于在阵列式霍尔液位传感器17检测到当前液位达到最高或最低液位时执行预设报警操作。例如，在当前液位达到最高液位或最低液位时，阵列式霍尔液位传感器17将向控制系统发送相关信号，作为对该信号的响应，控制系统将执行报警操作，诸如发送待机指令等。
综上，本实施例的加湿器可应用于各种需要室内加湿的场合，并且通过加热部件的合理布置，实现了巨大的加湿量，例如在最低风速下可以达到超过500毫升每小时的加湿量，同时还可在加湿量一定的前提下减小风量，从而降低噪音；通过空气过滤器件的合理布置，有效提高了蒸发湿帘4和储水罐5的洁净度；另外，通过实现延时关机控制，巧妙地解决了长期以来蒸发湿帘4易发霉及产生异味的问题。
本实施例二
基于实施例一提供的加湿器，本实施例二提供了一种加湿处理方法，包括：在气流通道内，在空气流动至蒸发湿帘表面之前，先对该空气进行过滤处理，然后再对该空气进行加热处理。
此外，如图6所示，本实施例二还提供了一种关机控制方法600，具体包括：在步骤601，控制抽水泵7停止运行。在步骤602，在控制抽水泵7停止运行达指定延时时长后，控制风机9停止运行。以上方法可由加湿器中包括的控制系统在接收到关机指令时执行。
在一种实现中，该方法进一步包括，在控制风机9停止运行的同时，控制加热部件3停止运行。该步骤也可由控制系统执行。也就是说，在该实现中，该方法具体包括，先控制抽水泵7停止运行，然后在抽水泵7停止运行达第一指定延时时长后，控制加热部件3和风机9停止运行。
在另一实现中，该方法进一步包括，在控制抽水泵7停止运行的同时，控制加热部件3停止运行。该步骤也可由控制系统执行。例如，在该实现中，该方法具体包括，先控制加热部件3和抽水泵7停止运行，然后在抽水泵7停止运行达第二指定延时时长后，控制风机9停止运行。指定延时时长(例如，前面提到的第一指定延时时长和第二指定延时时长)可以根据实际需求来灵活设定，通常不小于(即大于或等于)使蒸发湿帘4完全干燥所需的时长。
不同于传统的在收到关机指令时立即整机关机的方式，本实施例二采用了对部分器件进行延时停止控制的方案，使得在整机关机后蒸发湿帘4处于干燥状态，从而解决了蒸发湿帘4因潮湿而易发霉及产生异味的问题。
以上所述，以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (15)

  1. 一种加湿器，包括：机箱本体和控制系统，所述机箱本体上开设有进风口和出风口，
    其中，在所述机箱本体内部在所述进风口和所述出风口之间形成有气流通道，
    并且，其中，在所述机箱本体内部，按照空气沿所述气流通道的流动方向还依次设有空气过滤部件、加热部件以及蒸发湿帘，所述加热部件与所述控制系统电连接。
  2. 根据权利要求1所述的加湿器，其特征在于，所述机箱本体的底部连接有吊篮，所述吊篮内设有抽水泵，并且所述机箱本体上还设有风机。
  3. 根据权利要求1或2所述的加湿器，其特征在于，所述蒸发湿帘、所述加热部件和所述空气过滤部件均被构造成呈圆筒状，并且所述加热部件被设置为套设在所述蒸发湿帘外，所述空气过滤部件被设置为套设在所述加热部件外；并且
    所述气流通道由所述进风口、所述空气过滤部件的内层孔隙、所述加热部件的内层孔隙、所述蒸发湿帘的内层孔隙、以及所述出风口依次连通而成。
  4. 根据权利要求3所述的加湿器，其特征在于，所述气流通道中，由所述进风口、所述空气过滤部件的内层孔隙、所述加热部件的内层孔隙和所述蒸发湿帘的内层孔隙依次连通形成的通道段为密封通道。
  5. 根据权利要求2所述的加湿器，其特征在于，所述蒸发湿帘的顶部设有布水槽，所述布水槽的底部设有贯通至所述蒸发湿帘的淋水孔，所述抽水泵的排水嘴通过连接管连通至所述布水槽的进水口。
  6. 根据权利要求2所述的加湿器，其特征在于，所述控制系统用于在执行关机操作时，控制所述抽水泵停止运行，以及在所述抽水泵停止运行 达第一指定延时时长后，控制所述加热部件和所述风机停止运行。
  7. 根据权利要求2所述的加湿器，其特征在于，所述控制系统用于在执行关机操作时，控制所述抽水泵和加热部件停止运行，以及在在所述抽水泵和加热部件停止运行达第二指定延时时长后，控制所述风机停止运行。
  8. 根据权利要求2所述的加湿器，其特征在于，所述加湿器还包括与所述机箱本体连接的储水罐；
    所述机箱本体的朝向所述储水罐内液体的安装面上倾斜安装有超声波液位传感器，所述超声波液位传感器用于检测所述储水罐内的当前液位。
  9. 根据权利要求8所述的加湿器，其特征在于，所述吊篮内还设置有杀菌灯，并且所述控制系统与所述杀菌灯和所述超声波液位传感器电连接，所述控制系统用于在所述当前液位高于预设值时启动所述杀菌灯工作指定时长。
  10. 根据权利要求2所述的加湿器，其特征在于，在所述吊篮内对应于预设的最高液位的位置处设有磁控式液位传感器，所述磁控式液位传感器用于检测当前液位是否达到所述预设的最高液位；并且
    所述控制系统与所述磁控式液位传感器电连接，用于在检测到所述当前液位达到最高液位时执行预设报警操作。
  11. 根据权利要求2所述的加湿器，其特征在于，所述加湿器还包括与所述机箱本体连接的储水罐，
    所述吊篮中设置有阵列式霍尔液位传感器，所述阵列式霍尔液位传感器用于检测所述储水罐内的当前液位，
    并且所述控制系统与所述阵列式霍尔液位传感器电连接，所述控制系统用于在所述阵列式霍尔液位传感器检测到所述当前液位达到最高或最低液位时执行预设报警操作。
  12. 一种加湿器的关机控制方法，所述加湿器包括加热部件、蒸发湿帘、抽水泵、风机和控制系统，其中，所述控制系统与所述加热部件、抽 水泵和风机电连接，所述关机控制方法包括：
    所述控制系统控制所述抽水泵停止运行；以及
    在所述抽水泵停止运行达指定延时时长后，所述控制系统控制所述风机停止运行。
  13. 根据权利要求12所述的关机控制方法，其特征在于，进一步包括：
    所述控制系统在控制所述风机停止运行的同时，还控制所述加热部件停止运行。
  14. 根据权利要求12所述的关机控制方法，其特征在于，进一步包括：
    所述控制系统在控制所述抽水泵停止运行的同时，还控制所述加热部件停止运行。
  15. 根据权利要求12到14中的任一项所述的关机控制方法，其特征在于，所述指定延时时长大于或等于使所述蒸发湿帘完全干燥所需的时长。
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