WO2021035925A1

WO2021035925A1 - Humidifier provided with overhead evaporator

Info

Publication number: WO2021035925A1
Application number: PCT/CN2019/113835
Authority: WO
Inventors: 皮体斌
Original assignee: 成都中邦智能科技有限责任公司
Priority date: 2019-08-30
Filing date: 2019-10-29
Publication date: 2021-03-04
Also published as: CN110425673A; CN110425673B

Abstract

A humidifier provided with an overhead evaporator, the humidifier comprising a casing (1); a fan unit (2) is disposed on the casing (1), and an evaporator (3) is disposed in the middle of the casing (1); a humidification water tank is disposed in the casing (1) and comprises a first cavity (4) and a second cavity (5); the first cavity (4) is provided with a water inlet and is used to access a water supply unit by means of the water inlet, and a water leakage port is formed at a lower portion of the first cavity (4); two ends of the water leakage port communicate with the first cavity (4) and the second cavity (5), respectively; the lower middle portion of the evaporator (3) is immersed in the first cavity (4); an air inlet (6) is provided on the side wall of the casing (1), and an air outlet (7) is formed at the upper end of the casing (1); an air flow channel (8) is provided in the casing (1), and air flow enters the casing (1) from the air inlet (6), flows through the evaporator (3) and the fan unit (2), and is finally discharged out of the casing (1) from the air outlet (7).

Description

Top-mounted evaporator humidifier

Technical field

The invention relates to a humidifier, in particular to an upper-mounted evaporator humidifier.

Background technique

Household air humidifiers are household appliances that can increase indoor air humidity. They are mostly used in rooms or small offices to enable people to live or work in an air environment with suitable humidity and avoid various physical discomforts caused by dry air; existing humidification There are many types of humidifiers, such as ultrasonic atomizing humidifiers and electric humidifiers. Although the ultimate purpose of all types of humidifiers is to increase the humidity of the indoor air, they have different advantages and disadvantages. Some humidifiers have different advantages and disadvantages per unit volume. The humidification rate is not high. Some humidifiers consume a lot of electricity when the moisture is vaporized, and some humidifiers can produce a limited amount of humidification per unit power consumption; for example, electric humidifiers require high safety performance, and ultrasonic atomization humidifiers have an impact on water quality. The requirements are higher.

The most suitable for the market is the natural evaporation type humidifier, which mainly evaporates water naturally through the evaporation device, and humidifies the humid air to the outside by the fan. Generally, the evaporation device uses consumables and non-consumables, and the evaporation devices are all immersed in Below the water surface of the water storage tank, because the evaporation device is soaked in the water tank for a long time in contact with water, it is easy to breed bacteria, so that the evaporation device using non-consumable materials needs to be cleaned regularly, and the evaporation device using consumable materials needs to be replaced regularly.

At the same time, because the water level in the water tank changes repeatedly during use, the humidification efficiency of the evaporator is unstable. Therefore, how to ensure the humidification efficiency and reduce the growth of bacteria in the evaporator is worth studying.

Summary of the invention

The purpose of the present invention is to provide an upper-mounted evaporator humidifier in order to solve the problem of unstable humidification efficiency of the evaporator and easy breeding of bacteria.

To solve the above technical problems, the present invention adopts the following technical solutions:

An upper-mounted evaporator humidifier comprising a casing, a fan unit is arranged on the casing, an evaporator is arranged in the middle of the casing, a humidification water tank is arranged in the casing, and the humidification water tank includes a first cavity and a first cavity. Two cavities. The first cavity is provided with a water inlet for connecting to the water supply unit from the water inlet, a water leakage port is provided at the lower part of the first cavity, and both ends of the water leakage port are respectively connected to the first cavity and the second cavity. Two cavities, the lower part of the evaporator is submerged in the first cavity, the side wall of the housing is provided with an air inlet, the upper end of the housing is provided with an air outlet, and the housing is provided with an air flow channel for air flow from the inlet The air outlet enters the shell, passes through the evaporator and the fan unit, and finally exits the shell through the air outlet.

Preferably, the side wall of the first cavity is provided with an overflow, and the overflow is located at the maximum liquid level of the first cavity; a water pump is provided in the housing, and the water pump is connected to the water inlet for transferring the water pump to the first cavity. For water supply in the body, the delivery volume of the above-mentioned water pump is greater than the discharge volume of the leaking port.

A further technical solution is that the above-mentioned overflow is provided with a deflector, which is used to divert the water overflowing from the overflow to the side wall of the second cavity by the deflector; a filter is installed between the above-mentioned water inlet and the water supply unit. The element is used to filter the water flow entering the first cavity by the filter element.

Preferably, the longitudinal section of the first cavity matches the shape of the lower part of the evaporator for the evaporator to fully contact water in the first cavity, and the water leak is located at the lowest point of the first cavity, The height of the lower end of the first cavity is greater than the maximum liquid level of the second cavity.

Preferably, the fan unit is a vortex fan, the vortex fan is installed on the upper part of the housing, and the vortex fan is located below the air outlet for communicating with the air outlet from the outlet end of the vortex fan.

A further technical solution is that the air flow channel includes a cover body, the cover body is arranged at the upper end of the second cavity, the air inlet is located on the side wall of the cover body, the upper end of the cover body is provided with an opening, and the opening is connected to the inlet end of the vortex fan.

Preferably, the above-mentioned fan unit is a cross-flow fan, and the above-mentioned cross-flow fan is installed at one side of the air inlet for communicating with the air inlet from the inlet end of the cross-flow fan.

A further technical solution is that the air flow channel includes an air flow baffle, the air flow baffle is located above the evaporator, and is used to convey air flow from the outlet end of the cross flow fan to the front of the air flow baffle, and is used to guide the air flow to the evaporator through the air flow channel , The airflow is guided to the air outlet from the back of the airflow baffle.

Compared with the prior art, the beneficial effects of the present invention are at least one of the following:

The first cavity and the second cavity of the present invention are arranged in the shell, and the shell is used as a carrier to form two relatively independent water storage spaces. The evaporator is placed in the first cavity, and the evaporator is placed in the first cavity through the water inlet. Water is injected into the cavity, and the water is evaporated through the evaporator. The fan unit drives the airflow to contact the evaporator, and the water is output from the air outlet through the airflow channel to achieve humidification; when the external water supply stops, the water in the first cavity can be made All the water flows into the second cavity through the leaking port, thereby ensuring that the evaporator is kept dry when not in use, reducing the growth of bacteria in the evaporator, and extending the replacement or cleaning cycle.

In the present invention, the overflow is set at the highest liquid level of the first cavity, and the overflow is used to prevent the liquid level in the first cavity from exceeding the maximum set height. The external water supply method can adopt water pump water supply. When the continuous delivery volume of the water pump is greater than When the discharge amount of the water leakage port is exceeded, the water exceeding the maximum liquid level is discharged from the overflow port, so that the water level in the first cavity is kept stable, and the efficiency of the evaporator is kept constant, that is, the humidification amount remains relatively stable.

In the present invention, a deflector is installed to divert the water flowing out of the overflow. The water flows along the deflector to the side wall of the second cavity, so that the water flows downward along the side wall of the shell, effectively reducing the dripping process of the water. The noise that appears; the water flow entering the first cavity is filtered through the filter element to prevent impurities from entering the first cavity to act on the evaporator.

In the present invention, the longitudinal section of the first cavity is consistent with the evaporator, ensuring that the evaporator can fully contact with water in the first cavity, and is set at the lowest point of the first cavity through a water leak, so that the evaporator is not in use. In the state, the external water supply is stopped, and the leaking port can drain the water in the first cavity, reducing the growth of bacteria in the evaporator.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the azimuth relationship between the first cavity and the second cavity of Fig. 1.

Figure 3 is a schematic diagram of the structure of the overflow of the present invention.

Figure 4 is a schematic diagram of the structure of the vortex fan of the present invention.

Figure 5 is a schematic diagram of the installation position of the vortex fan of Figure 4.

Fig. 6 is a schematic diagram of an embodiment of the air flow channel of the present invention.

Description of reference signs:

1-shell, 2-fan unit, 3-evaporator, 4-first cavity, 5-second cavity, 6-air inlet, 7-air outlet, 8-air flow channel, 201-vortex fan, 401 -Overflow, 402- deflector, 501- water pump, 801- cover.

detailed description

In the following, the utility model will be further explained in conjunction with the accompanying drawings.

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

Example 1:

Referring to Figures 1 and 2, an embodiment of the present invention is an evaporator-mounted humidifier, including a housing 1, the housing 1 is provided with a fan unit 2, and the middle of the housing 1 is provided with an evaporator Device 3, the housing 1 is provided with a humidification water tank, the humidification water tank includes a first cavity 4 and a second cavity 5, wherein the first cavity 4 and the second cavity 5 are respectively used as two independent water storage In the space, the first cavity 4 is provided with a water inlet for connecting to the water supply unit through the water inlet. The water supply unit injects water into the first cavity 4 through the water inlet to provide necessary water source conditions for the evaporator 3 to evaporate.

The lower part of the first cavity 4 is provided with a water leakage port. The two ends of the water leakage port are respectively connected with the first cavity 4 and the second cavity 5, and the water in the first cavity 4 is introduced into the second cavity 5 through the water leakage port. In the middle storage, the lower part of the above-mentioned evaporator 3 is submerged in the first cavity 4, and the evaporator 3 can be of different types according to requirements.

For example, the evaporator 3 adopts a capillary phenomenon volatilization type, and the lower end of the evaporator 3 is immersed in the first cavity 4, and the evaporation unit of the evaporator 3 is soaked through the capillary phenomenon to achieve volatilization.

For example, the evaporator 3 is of a blade type, and the evaporator 3 rotates, and the lower end of the evaporator 3 blade is immersed in the first cavity 4, and volatilization is realized as the blades of the evaporator 3 rotate.

Although there are many types of evaporator 3, the evaporator 3 is usually immersed in water when it is not in use, and it is easy to breed bacteria. A water leak is set between the first cavity 4 and the second cavity 5. When the external water supply stops At this time, all the water in the first cavity 4 can flow into the second cavity 5 with the leaking port, thereby ensuring that the evaporator remains dry when not in use, reducing the growth of bacteria in the evaporator, and extending the replacement or cleaning cycle. In the process of opening the water leakage port, the personnel can selectively install a valve according to the demand, and the opening of the water leakage port can be controlled by the valve to increase the water injection speed of the first cavity 4.

The side wall of the housing 1 is provided with an air inlet 6, the upper end of the housing 1 is provided with an air outlet 7, and the housing 1 is provided with an air flow channel 8 for air flow to enter the housing 1 from the air inlet 6 and pass through the evaporator 3 and the fan unit 2, and finally out of the casing 1 through the air outlet 7; through the operation of the fan unit 2, the air flow in the casing 1 is driven, and the air flow is discharged from the casing 1 through the air outlet 7. The amount of air discharged is affected by the atmospheric pressure It is supplemented by the air inlet 6 to enter the shell 1, where the air flow enters the air flow channel 8 in the shell 1 from the air inlet 6 and contacts the evaporator 3 through the air flow channel 8. The evaporation efficiency of the evaporator 3 is improved by the gas flow, which contains evaporation. Moisture air is discharged to the outside from the air outlet 7 along the airflow channel 8 under the action of the fan unit 2 to achieve humidification.

Example 2:

Based on the above-mentioned embodiment and referring to Figs. 1 to 3, another embodiment of the present invention is to ensure that the water level in the first cavity 4 remains constant, the side wall of the first cavity 4 is provided with an overflow 401 The above-mentioned overflow outlet 401 is located at the maximum liquid level of the first cavity 4; the overflow outlet 401 is provided to limit the maximum liquid level height of the first cavity 4, when the liquid level in the first cavity 4 reaches the height of the overflow outlet 401 , The excess water is led out of the first cavity 4 from the overflow 401, so that the water level in the first cavity 4 is kept constant, effectively avoiding the influence of the fluctuation of the liquid level on the humidification of the evaporator 3, making the humidification efficiency comparable Humidifiers in the existing market can be significantly improved.

At the same time, there are various ways to inject water into the first cavity 4 through the water inlet: for example, a water pump 501 is provided in the housing 1, and the water pump 501 is connected to the water inlet for the water pump 501 to enter the first cavity 4 For water supply, the delivery volume of the above-mentioned water pump 501 is greater than the discharge volume of the water leak; the water source is pumped into the first cavity 4 by the water pump 501 to satisfy the water supply of the first cavity 4.

Specifically, the head end of the water pump 501 extends into the lower end of the second cavity 5 through a pipe, the end of the water pump 501 is connected to the water inlet through the pipe, and the water in the second cavity 5 is pumped into the first cavity 4 through the water pump 501 to make The water from the first cavity 4 entering the second cavity 5 through the leaking port can be recycled to save water source consumption; the delivery volume of the water pump 501 is greater than the discharge volume of the leaking port, so that the water source in the first cavity 4 gradually increases. Prevent the water in the first cavity 4 from flowing in and not flowing out.

As shown in Figure 3, the above-mentioned overflow 401 is provided with a deflector 402, which is used to divert the water overflowing from the overflow 401 to the side wall of the second cavity 5 by the deflector 402; The water flowing out of the overflow outlet 401 is diverted, and the water flows along the deflector 402 to the side wall of the second cavity 5, so that the water flows down along the side wall of the second cavity 5, effectively reducing water droplets in the overflow outlet 402 Noise during the fall.

Specifically, the above-mentioned deflector 402 is located on the side of the overflow 401, and is used to guide the water flow to the side wall of the second cavity 5 by the deflector 402; the head end of the deflector 402 is located below the overflow 401, and the deflector 402 is The end extends toward the inner wall of the side wall of the second cavity 5, and the baffle 402 is gradually inclined from the head end to the end, and the inclination angle does not exceed 90 degrees. The specific inclination angle requires the flow rate to be set by itself; on the side wall of the second cavity 5 A second inclined plate is provided, and the water flow on the deflector 402 is guided by the second inclined plate, so that after the water flow on the deflector 402 is guided into the second inclined plate, the water flow on the deflector 402 is introduced into the second cavity 5 by the second inclined plate. Inner wall.

A filter element is installed between the water inlet and the water supply unit to filter the water flow entering the first cavity 4 by the filter element. The filter element may be a filter screen, which is installed between the water inlet and the water supply unit. The filter element allows the water source passing through the water inlet to be filtered by the filter element at least once, and then the water impurity content injected into the first cavity 4 and used for the evaporator to evaporate is significantly reduced.

Example 3:

Based on the above embodiment, another embodiment of the present invention is that in order to ensure the normal operation of the evaporator 3 and the normal drainage of the leaking port, the longitudinal section of the above-mentioned first cavity 4 matches the shape of the lower part of the evaporator 3 for The evaporator 3 is in full contact with water in the first cavity 4, and the longitudinal section of the first cavity 4 needs to meet the requirements of the evaporator 3.

For example, when the evaporator 3 uses a common original disk-shaped evaporation device, the longitudinal section of the first cavity 4 is arc-shaped, and the evaporator 3 can evenly contact the water in the first cavity 4. When rotating in the first cavity 4, it is not hindered by the first cavity 4, and evaporative humidification is realized.

For example, the evaporator 3 adopts a capillary volatilization type, and the internal profile of the longitudinal section of the first cavity 4 matches the external profile of the lower part of the evaporator 3, so that the lower part of the evaporator 3 can be submerged in the first cavity 4, and Water contact, and then through capillary phenomenon to achieve evaporation and humidification.

The water leakage port is located at the lowest point of the first cavity 4, passing through the position of the water leakage port so that the water in the first cavity 4 can be drained when the evaporator 3 is not working; the lower end of the first cavity 4 The height is greater than the maximum liquid level height of the second cavity 5 to prevent the water in the second cavity 5 from entering the first cavity 4 through the leak hole in the reverse direction.

When the evaporator 3 needs to stop working, the water supply unit stops injecting water into the water inlet, and the water in the first cavity 4 is gradually discharged into the second cavity 5 by the water outlet, so that the first cavity 4 and the evaporator 3 All are kept dry to prevent the evaporator 3 from being immersed in water in a non-working state to cause bacterial growth.

Example 4:

Based on the above embodiment, referring to Figures 2, 4, 5, and 6, another embodiment of the present invention is that the above-mentioned fan unit 2 is a vortex fan 201, and the above-mentioned vortex fan 201 is installed on the upper part of the housing 1. The above-mentioned vortex fan 201 is located below the air outlet 7, and is used to communicate with the air outlet 7 from the outlet end of the vortex fan 201; driven by the work of the vortex fan 201, the airflow in the housing 1 is brought out of the air outlet 7. As the air in the housing 1 is reduced, Under the action of air pressure, the air inlet 6 supplements new air to enter to realize circulation; in addition, in this embodiment, the aforementioned vortex fan 201 can also be replaced with an axial fan of the same size based on the same structure.

Further, the air flow channel 8 includes a cover body 801, the cover body 801 is arranged at the upper end of the second cavity 5, the air inlet 6 is located on the side wall of the cover body 801, and the evaporator 3 is wrapped by the cover body 801 and the first cavity 4 , The upper end of the cover body 801 is provided with an opening, and the opening is connected to the inlet end of the vortex fan 201; wherein the opening can also be provided with the side wall of the first cavity 4, and the opening position needs to be at least higher than the overflow port 401;

When working, the vortex fan 201 is started. The vortex fan 201 conveys the air in the cover body 801 to the air outlet 7 through the opening and discharges it into the outside atmosphere, and supplements air through the air inlet 6 to the cover body 801 to contact the evaporator 3, At this time, the water supply unit fills the first cavity 4 to a sufficient liquid level through the water inlet, and makes the evaporator 3 fully contact the water in the first cavity 4 to meet the evaporation conditions, that is, the humidified The air is discharged from the air outlet 7, and the air outside the housing 1 enters the cover 801 through the air inlet 6 and contacts the evaporator 3, and the passing air is humidified by the evaporator 3, thereby realizing air flow circulation, that is, air humidification.

Example 5:

Based on the above-mentioned embodiment, another embodiment of the present invention is that the above-mentioned fan unit 2 is a cross-flow fan, and the above-mentioned cross-flow fan is installed on the side of the air inlet 6 for communicating with the air inlet 6 from the inlet end of the cross-flow fan. The flow fan works to bring outside air into the housing 1 from the air inlet, and the excess air in the housing 1 is discharged from the air outlet 7 under the pressure of the air flow.

Further, the air flow channel 8 includes an air flow baffle, the air flow baffle is located above the evaporator 3, and is used to convey the air flow from the outlet end of the cross flow fan to the front of the air flow baffle, and is used to guide the air flow to the evaporator through the air flow channel 8 3. The air flow is guided to the air outlet 7 from the back of the air flow baffle; the air flow channel 8 is similar to a U shape by the baffle, and the air flow channel 8 is blocked by the baffle so that one end of the air flow channel 8 flows through the evaporator in the first cavity 4 After 3, it will enter the other end of the air flow channel 8 and be discharged.

When working, start the cross flow fan. The cross flow fan injects gas into one end of the air flow channel 8 through the air inlet 6. Under the action of pressure, the air flows from the high pressure end to the low pressure end in the air flow channel 8, that is, the air flows from the air inlet 6 After entering, it passes through the evaporator 3 and is discharged from the air outlet 7. At this time, the water supply unit fills the first cavity 4 to a sufficient liquid level through the water inlet, and makes the evaporator 3 and the first cavity 4 The water is fully contacted to meet the evaporation conditions, that is, under the action of the external air cross flow fan, it is transported from one end of the air flow channel 8 to the evaporator 3 for humidification, and the humidified gas is transported from the other end of the air flow channel 8 to the air outlet 7. Realize moisture emission.

The "one embodiment", "another embodiment", "embodiment", "preferred embodiment", etc. mentioned in this specification mean that the specific feature, structure or feature described in combination with the embodiment is included in This application generally describes at least one embodiment. The occurrence of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when describing a specific feature, structure, or characteristic in combination with any embodiment, it is claimed that combining other embodiments to implement such a feature, structure or characteristic also falls within the scope of the present invention.

Although the present invention has been described with reference to a number of explanatory embodiments of the present invention, it should be understood that many other modifications and embodiments can be devised by those skilled in the art, and these modifications and embodiments will fall into the disclosure of this application. Within the scope and spirit of principles. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements can be made to the component parts and/or the layout of the theme combination layout. In addition to the deformation and improvement of the component parts and/or the layout, other uses will also be obvious to those skilled in the art.

Claims

An upper-mounted evaporator humidifier includes a housing (1), a fan unit (2) is arranged on the housing (1), an evaporator (3) is arranged in the middle of the housing (1), and The housing (1) is provided with a humidification water tank, characterized in that: the humidification water tank includes a first cavity (4) and a second cavity (5), and the first cavity (4) is provided with a water inlet , Used to connect to the water supply unit from the water inlet, the lower part of the first cavity (4) is provided with a water leakage port, and both ends of the water leakage port are respectively connected with the first cavity (4) and the second cavity (5) The lower part of the evaporator (3) is submerged in the first cavity (4), the side wall of the housing (1) is provided with an air inlet (6), and the upper end of the housing (1) is provided with an air outlet (7) The casing (1) is provided with an airflow channel (8) for the airflow to enter the casing (1) from the air inlet (6) and pass through the evaporator (3) and the fan unit (2), Finally, the shell (1) is discharged from the air outlet (7).
The top-mounted evaporator humidifier according to claim 1, characterized in that: the side wall of the first cavity (4) is provided with an overflow (401), and the overflow (401) is located in the first cavity ( 4) At the maximum liquid level; a water pump (501) is provided in the housing (1), and the water pump (501) is connected to the water inlet for supplying water from the water pump (501) to the first cavity (4), The delivery volume of the water pump (501) is greater than the discharge volume of the water leakage port.
The top-mounted evaporator humidifier according to claim 1, characterized in that: the overflow port (401) is provided with a deflector (402), which is used to divide the overflow (401) by the deflector (402). The overflowing water is diverted to the side wall of the second cavity (5); a filter element is installed between the water inlet and the water supply unit for filtering the water flow entering the first cavity (4) by the filter element .
The top-mounted evaporator humidifier according to claim 1, characterized in that: the longitudinal section of the first cavity (4) matches the shape of the lower part of the evaporator (3), and is used for the evaporator (3) Full contact with water in the first cavity (4), the water leak is located at the lowest point of the first cavity (4), and the height of the lower end of the first cavity (4) is greater than that of the second cavity ( 5) The maximum liquid level height.
The evaporator-mounted humidifier according to claim 1, characterized in that: the fan unit (2) is a vortex fan (201), and the vortex fan (201) is installed on the upper part of the housing (1). The vortex fan (201) is located below the air outlet (7), and is used to communicate with the air outlet (7) from the outlet end of the vortex fan (201).
The evaporator-mounted humidifier according to claim 5, characterized in that: the airflow channel (8) comprises a cover (801), and the cover (801) is arranged at the upper end of the second cavity (5), The air inlet (6) is located on the side wall of the cover body (801), the upper end of the cover body (801) is provided with an opening, and the opening is connected to the inlet end of the vortex fan (201).
The evaporator-mounted humidifier according to claim 1, characterized in that: the fan unit (2) is a cross-flow fan, and the cross-flow fan is installed on the side of the air inlet (6) for the cross-flow The inlet end of the fan is connected with the air inlet (6).
The top-mounted evaporator humidifier according to claim 7, characterized in that: the airflow channel (8) comprises an airflow baffle, and the airflow baffle is located above the evaporator (3) and is used for the outlet of the cross-flow fan The end conveys the air flow to the front of the air flow baffle for guiding the air flow to the evaporator (3) through the air flow channel (8), and the air flow is guided to the air outlet (7) from the back of the air flow baffle.