KR20140021108A - Sterilization device for evaporator core and conditioning system for vehicle therewith - Google Patents

Abstract

A vehicle evaporator core sterilization device is disclosed. The disclosed vehicle evaporator core sterilization device may include: i) a filter module which is connected to a drain member discharging a condensate generated in an evaporator core, and absorbs the condensate, and includes a sterilization component; and ii) an injection unit which is installed in the filter module, and atomizes the condensate solved with the sterilization component through vibration by inverse piezoelectricity, and injects the particles to the evaporator core.

Description

Eva core sterilizer and vehicle air conditioning system including the same {STERILIZATION DEVICE FOR EVAPORATOR CORE AND CONDITIONING SYSTEM FOR VEHICLE THEREWITH}

Embodiment of the present invention relates to a vehicle air conditioning system, and more particularly to an EVA core sterilization apparatus that can sterilize and clean the odor particles and harmful substances present in the EVA core.

In general, a vehicle is provided with an air conditioning system, also referred to as "Heating Ventilating Air Conditioning" (HVAC) in order to make the interior space (cabin) comfortable.

Such an air conditioning system includes an evaporator core (hereinafter, abbreviated as 'eva core') for cooling air supplied from a blower unit by a refrigerant, and a heater core for heating air using an engine cooling water. And a blower unit for supplying cold air and warm air generated by the eva core and the heater core to the interior of the vehicle.

Accordingly, the air conditioning system generates cold or warm air by selectively passing the air introduced into the vehicle through the EVA core and the heater core, and supplies the cold or warm air to the vehicle interior by the blower unit to cool and heat the interior of the vehicle. .

Meanwhile, in the EVA core, the compressed liquid refrigerant is evaporated while passing through the expansion valve in the front of the high-pressure pipeline, and the coolant may be generated while depriving the heat of the air introduced into the vehicle by the heat of vaporization.

In the EVA core, condensate is generated by the vaporization of the refrigerant, and the condensate condenses and evaporates when the cooling device is turned on and off, causing the hydrophilic and hydrophobic odor particles to evaporate, thereby causing an unpleasant odor. .

In addition, in the EVA core, mold, bacteria, bacteria, etc., are propagated by moisture, which causes unpleasant odors and harmful substances introduced into the interior of the vehicle, causing discomfort to the passengers or threatening the health of the passengers. .

Conventional techniques for improving this are disclosed in US Patent No. 5037585, Korean Patent Publication No. 2002-0031581 and Korean Patent Publication No. 2009-0112343.

These prior arts are configured to spray sterilization components along with the condensate generated in the EVA core to the EVA core to sterilize and wash various odor particles and harmful substances.

Such prior arts can inject a condensate bath for storing condensate generated from the EVA core, a reservoir tank containing a cleaning liquid or a fragrance (hereinafter referred to as "sterilizer" for convenience), and condensate stored in the bath together with a disinfectant. Actuators, such as a pump, are provided.

As another example, the prior art includes an injection means for injecting the condensate stored in the condensate tank to the EVA core, the injection means having an injection pump and an injector incorporating a sterilization filter, the condensate filter by the injection pump It is made of a configuration that can be sprayed on the EVA core while going through.

However, in the related arts, a tank for storing condensate, a reservoir for storing a disinfectant, and an actuator for spraying the condensate and a sterilizer are complicated, so that the structure of the entire air conditioning system is complicated and not easy to install. It may cause power loss for driving, increase in cost, and A / S is not easy.

Embodiments of the present invention is an EVA core sterilizer and a vehicle air conditioning system including the same to disinfect the odor particles and harmful substances by spraying the disinfectant on the EVA core with a simple configuration eliminating condensate tank, sterilizer reservoir, actuator, etc. To provide.

Eva core sterilization apparatus according to an embodiment of the present invention, iii) a filter module connected to the drain member for discharging the condensate generated in the eva core, absorbs the condensate, and contains a sterilization component, and ii) the filter module It may be equipped with a spray unit for atomizing the condensed water in which the sterilization component is dissolved as a vibration by the reverse piezoelectric and injecting the fine particles to the EVA core.

In addition, in the EVA core sterilizer according to an embodiment of the present invention, the filter module may be detachably installed on the drain member.

In addition, in the eva core sterilizer according to an embodiment of the present invention, the filter module is a housing that is connected to the drain member in a vertical direction corresponding to the eva core, is installed in the housing and the lower end is the drain member It may be disposed in the interior and may include an absorber for directing condensate to the upper end side.

In addition, in the EVA core sterilizer according to an embodiment of the present invention, the absorbent body guides the condensed water from the lower side to the upper side by capillary action, and dissolves the sterilizing component as the condensed water.

In addition, in the EVA core sterilization apparatus according to an embodiment of the present invention, a sterilizing component may be applied or coated on the absorbent body.

In addition, in the EVA core sterilization apparatus according to an embodiment of the present invention, the injection unit may include a reverse piezoelectric element for converting electrical energy into mechanical energy and generating ultrasonic vibrations.

In addition, in the EVA core sterilization apparatus according to an embodiment of the present invention, the injection unit is mounted on the upper end of the housing and the reverse piezoelectric element as an ultrasonic vibrator for converting electrical energy into mechanical energy and generating ultrasonic waves, and the reverse Corresponding to the piezoelectric element may include a diaphragm mounted on the upper end of the housing and connected to the upper end of the absorber and vibrated by ultrasonic waves.

In addition, in the EVA core sterilizer according to an embodiment of the present invention, the reverse piezoelectric element is formed in a ring shape, the diaphragm may be installed on the lower side of the reverse piezoelectric element.

The vehicle air conditioning system according to the embodiment of the present invention includes an EVA core for cooling air by a refrigerant, a heater core for heating air as engine coolant, cold air and warmth generated by the EVA core and the heater core. And a blower device for supplying to the room of the evacuation unit, i) a drain member for discharging the condensed water generated in the eva core, and ii) a casing of the eva core, connected to the drain member, and recycling the condensate. It may include an EVA core sterilization apparatus for atomizing the condensate with the sterilization component and sprayed to the EVA core.

In addition, in the vehicle air conditioning system according to an embodiment of the present invention, the EVA core sterilizer is connected to the drain member, the filter module which absorbs condensed water by capillary action and contains a sterilization component, and is mounted to the filter module And atomizing the condensed water in which the sterilizing component is dissolved, as an ultrasonic vibration by reverse piezoelectric, and spraying the fine particles into the EVA core.

In addition, in the vehicle air conditioning system according to an embodiment of the present invention, the filter module may include a housing connected to the drain member in a vertical direction corresponding to the EVA core, and installed in the housing and having a lower end of the drain member. It may include an absorber disposed therein and leading condensate to the upper end side.

In addition, in the vehicle air conditioning system according to an embodiment of the present invention, the injection unit is mounted on the upper end of the housing, the reverse piezoelectric element as an ultrasonic vibrator for converting electrical energy into mechanical energy and generating ultrasonic waves, and the reverse piezoelectric Corresponding to the device may include a diaphragm mounted on the upper end of the housing and connected to the upper end of the absorber and vibrated by ultrasonic waves.

According to an embodiment of the present invention, the condensed water generated in the eva core may be recycled using a capillary phenomenon, and the condensed water may be atomized together with the sterilizing component and sprayed onto the eva core as a piezoelectric effect.

As a result, in the embodiment of the present invention, the condensate tank, sterilizer reservoir, actuator, and the like as in the prior art can be eliminated, thereby simplifying the structure of the entire air conditioning system, reducing power loss by the actuator, and reducing manufacturing and installation costs. Can be saved.

In addition, since the embodiment of the present invention constitutes an EVA core sterilizer of a module assembly type detachable to the case of the drain member and the EVA core, it is easy to install and replace in an air conditioning system and has advantages in terms of A / S. .

These drawings are for the purpose of describing an exemplary embodiment of the present invention, and therefore the technical idea of the present invention should not be construed as being limited to the accompanying drawings.
1 is a view schematically showing a vehicle air conditioning system according to an embodiment of the present invention.
Figure 2 is a partial cutaway perspective view showing a vehicle EVA core sterilization apparatus according to an embodiment of the present invention.
3 is a view schematically showing a coupling structure of the filter module applied to the vehicle EVA core sterilizer according to an embodiment of the present invention.
4 is a view for explaining the action of the vehicle EVA core sterilization apparatus according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

In the following detailed description, the names of components are categorized into the first, second, and so on in order to distinguish them from each other in the same relationship, and are not necessarily limited to the order in the following description.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise.

It should be noted that terms such as " ... unit ", "unit of means "," part of item ", "absence of member ", and the like denote a unit of a comprehensive constitution having at least one function or operation it means.

1 is a view schematically showing a vehicle air conditioning system according to an embodiment of the present invention.

Referring to Figure 1, the vehicle air conditioning system 100 according to an embodiment of the present invention includes a ventilation device and a heating and cooling device for comforting the vehicle interior space of the vehicle, HVAC (Heating Ventilating) well known in the art Air Conditioning) system.

For example, the vehicle air conditioning system 100 basically includes an EVA core 10 as an evaporator that cools the air supplied from the blowing unit with a refrigerant, and a heater core 30 that heats the air by using the cooling water of the engine. ) And a blower unit 50 for supplying the cool air and warm air generated by the eva core 10 and the heater core 30 to the interior of the vehicle.

Since the EVA core 10, the heater core 30, and the blower unit 50 of the air conditioning system 100 are made of HVAC systems well known in the art, a detailed description thereof will be omitted. Let's do it.

The vehicle air conditioner system 100 according to an embodiment of the present invention is configured to recycle the condensate generated from the eva core 10 and to atomize the condensate with the sterilization component to spray the eva core 10. .

That is, the vehicle air conditioning system 100 according to the embodiment of the present invention has a structure capable of sterilizing and washing various odor particles and harmful substances by spraying condensed water in which sterilization components are dissolved as fine particles to the EVA core 10.

Furthermore, the embodiment of the present invention provides an air conditioning system 100 capable of injecting the condensate and sterilization components to the EVA core 10 in a simple configuration eliminating the condensate tank, the sterilizer reservoir, the actuator, and the like.

The vehicle air conditioning system 100 according to an embodiment of the present invention for this purpose includes a drain member 110 and the EVA core sterilization apparatus 200, which will be described by configuration.

In the embodiment of the present invention, the drain member 110 is a discharge pipe for discharging the condensed water generated in the eva core 10, is installed to extend to the lower side of the eva core (10).

In addition, the EVA core sterilizer 200 according to an embodiment of the present invention may recycle condensate discharged through the drain member 110 and atomize the condensate together with the sterilization component to spray the EVA core 10. Made of structure.

The configuration of the EVA core sterilizer 200 according to the embodiment of the present invention as described above will be described in more detail with reference to FIGS. 2 and 3.

Figure 2 is a partial cutaway perspective view showing a vehicle EVA core sterilization apparatus according to an embodiment of the present invention.

Referring to FIG. 2, the EVA core sterilization apparatus 200 according to an embodiment of the present invention basically includes a filter module 210 and an injection unit 250.

In the embodiment of the present invention, the filter module 210 is a sterilization component (sterilizer) is included, and will function to absorb the condensate discharged through the drain member (110).

The filter module 210 is configured to be connected to the drain member 110, and may be detachably attached to the drain member 110 and the case 11 of the EVA core 10.

 The filter module 210 includes a housing 220 detachably connected to the drain member 110 and the case 11 of the EVA core 10, and an absorber 230 installed inside the housing 220. do.

The housing 220 is connected to the drain member 110 in a vertical direction corresponding to the EVA core 10.

The housing 220 is, for example, formed of a cylindrical double tube structure, the inner case 221 is located on the inside and the outer case 222 is located on the outside, these inner case 221 and the outer case 222 is It can be connected integrally.

Here, the housing 220 is configured to be detachably attached to the drain member 110, as shown in FIG. 3, and may be installed to the base member 224 detachably connected to the drain member 110 in an upward direction. have.

In this case, the base member 224 is formed in the connection passage connected to the drain pipe of the drain member 110, the lower end of the inner case 221 is located in the connection passage from the inside of the base member 224 do.

In addition, the absorber 230 includes the sterilizing component as mentioned above, and serves to guide the condensate flowing along the drain member 110 toward the upper end side of the housing 220.

The absorber 230 may be formed of a fibrous filter that absorbs condensed water and may induce the condensed water from the lower side to the upper side by capillary action.

The absorber 230 may be installed in the inner case 221 of the housing 220, and a lower end thereof may be disposed inside the base member 224 connected to the drain member 110.

On the other hand, the sterilization component as described above is coated or coated on the fibrous filter of the absorber 230, it may include a conventional human harmless antibacterial agent that can be dissolved by condensate.

In the embodiment of the present invention, the injection unit 250 is to atomize the condensed water dissolved in the sterilization component through the absorber 230 as a vibration by the reverse piezoelectric and to spray the fine particles to the EVA core (10). The injection unit 250 is mounted on the filter module 210, and includes a reverse piezoelectric element 260 and a diaphragm 270.

The reverse piezoelectric element 260 vibrates when an electrical signal is applied, and when the voltage is applied to a predetermined object, the reverse piezoelectric element 260 is configured as an ultrasonic vibrator that generates ultrasonic waves by using the reverse piezoelectric effect of mechanical expansion and contraction of the object.

That is, the reverse piezoelectric element 260 may convert the electrical energy into mechanical energy and generate ultrasonic waves by the reverse piezoelectric effect.

Since the reverse piezoelectric element 260 is formed as an inverse piezoelectric element known in the art, a more detailed description of the configuration will be omitted.

Here, the reverse piezoelectric element 260 may be electrically connected to a power source of the vehicle, take a ring shape, and be mounted on an upper end of the inner case 221 of the housing 220.

In addition, the diaphragm 270 vibrates by ultrasonic waves generated from the reverse piezoelectric element 260, and is atomized by the upper end of the absorber 230 and atomizes condensed water in which the sterilization component is dissolved in a spray form, and the fine particles are eva It is for injecting into the core 10.

The diaphragm 270 may be mounted on the upper end of the inner case 221 of the housing 220 to correspond to the reverse piezoelectric element 260, and may be installed on a lower side of the reverse piezoelectric element 260.

Hereinafter, the operation of the EVA core sterilization apparatus 200 and the vehicle air conditioning system 100 including the same according to the embodiment of the present invention configured as described above will be described in detail with reference to the drawings and the following drawings. .

4 is a view for explaining the action of the vehicle EVA core sterilization apparatus according to an embodiment of the present invention.

Hereinafter, since the heater core 30 and the blower unit 50 constituting the air conditioning system 100 are well known in the art, a detailed description thereof will be omitted, and the EVA core 10 according to the exemplary embodiment of the present invention will be omitted. ), The operation of the drain member 110 and the EVA core sterilizer 200 will be described.

Referring to FIG. 4, in the embodiment of the present invention, the condensed water condensed on the surface of the eva core 10 is cooled in the process of cooling the air supplied from the blower unit by the refrigerant in the eva core 10. Discharge through).

In this process, the condensed water is absorbed by the absorber 230 of the filter module 210 and is induced upward from the lower side of the absorber 230 by capillary action.

At this time, the condensed water dissolves the sterilizing component applied or coated on the absorbent 230 and is led to the upper side of the absorbent 230 in a state containing the sterilizing component.

Here, in the embodiment of the present invention by measuring the temperature of the air flowing into the vehicle through the outside air temperature sensor, by measuring the temperature of the EVA core 10 through the EVA sensor, by measuring the indoor air humidity through the auto defog sensor Through the controller, it is possible to predict when condensed water is generated in the EVA core 10.

When the controller determines the generation time of the condensate as described above, the controller applies a predetermined voltage to the reverse piezoelectric element 260 of the injection unit 250.

Then, the reverse piezoelectric element 260 converts electrical energy into mechanical energy to generate ultrasonic vibrations, and the diaphragm 270 vibrates by ultrasonic waves.

Thus, the diaphragm 270 atomizes the condensate (condensate containing sterilization component) guided upward through the absorber 230 in a spray form, and sprays the fine particles into the EVA core 10 as vibrations.

Therefore, in the exemplary embodiment of the present invention, the condensed water containing the sterilizing component may be sprayed on the EVA core 10 in the form of fine particles to sterilize and wash various odor particles and harmful substances present in the EVA core 10.

Meanwhile, in the embodiment of the present invention, since the filter module 210 is detachably attached to the case 11 of the drain member 110 and the EVA core 10, the filter module 210 and the injection unit 250 in a simple manner. ) Can be replaced.

According to the eva core sterilizer 200 and the vehicle air conditioning system 100 including the same according to the embodiment of the present invention as described above, the condensed water generated in the eva core 10 is recycled by using a capillary phenomenon, As a piezoelectric effect, the condensate can be atomized together with the sterilizing component and sprayed onto the EVA core 10.

As a result, in the embodiment of the present invention, the condensate tank, sterilizer reservoir, actuator and the like can be eliminated as in the prior art, thereby simplifying the structure of the entire air conditioning system, reducing the power loss caused by the actuator, and reducing the manufacturing and installation costs. Can be saved.

In addition, in the embodiment of the present invention, since the module assembly type EVA core sterilizer 200 detachable from the drain member 110 and the case 11 of the EVA core 10 is installed in the air conditioning system 100. And easy to replace, there is an advantage in terms of A / S.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, Other embodiments may easily be suggested by adding, changing, deleting, adding, or the like of elements, but this also falls within the scope of the present invention.

10 ... Eva Core 11 ... Case
30 ... heater core 50 ... blower unit
110 ... Drain member 200 ... Eva core sterilizer
210 ... filter module 220 ... housing
221 ... inner case 222 ... outer case
224 base member 230 absorber
250 ... Injection unit 260 ... Reverse piezoelectric element
270 ... diaphragm

Claims (12)

A filter module connected to the drain member for discharging the condensate generated by the EVA core and absorbing the condensate and including a sterilization component; And
The injection unit is mounted to the filter module, atomizing the condensed water in which the sterilization component is dissolved as a vibration by the reverse piezoelectric and injecting the fine particles into the EVA core
Eva core sterilizer comprising a. The method according to claim 1,
The filter module is an EVA core sterilizer is detachably installed in the drain member. The method according to claim 1,
The filter module,
A housing connected to the drain member in a direction perpendicular to the eva core;
Absorber installed inside the housing, the lower end is disposed inside the drain member and guides condensate to the upper end side.
Eva core sterilizer comprising a. The method of claim 3,
The absorbent body
An EVA core sterilizer which induces condensate from the lower side to the upper side by capillary action and dissolves the sterilizing component as the condensate. The method of claim 3,
Eva core sterilizer that the sterilization component is applied or coated on the absorber. The method according to claim 1,
The injection unit is an EVA core sterilizer comprising a reverse piezoelectric element for converting electrical energy into mechanical energy and generating ultrasonic vibrations. The method of claim 3,
Wherein the injection unit comprises:
A reverse piezoelectric element mounted on an upper end of the housing and converting electrical energy into mechanical energy and generating ultrasonic waves;
A diaphragm mounted to an upper end of the housing corresponding to the reverse piezoelectric element, connected to an upper end of the absorber, and vibrated by ultrasonic waves
Eva core sterilizer comprising a. The method of claim 7, wherein
The reverse piezoelectric element is formed in a ring shape, the diaphragm is an EVA core sterilizer installed on the lower side of the reverse piezoelectric element. An automotive air conditioning system comprising an eva core for cooling air by a refrigerant, a heater core for heating air as engine coolant, and a blower device for supplying cold air and warm air generated by the eva core and the heater core to a vehicle interior. ,
A drain member for discharging condensate generated in the EVA core; And
Eva core sterilizer which is configured in the case of the eva core and is connected to the drain member, recirculates the condensate and atomizes the condensate with the sterilization component to spray to the eva core
Vehicle air conditioning system comprising a. 10. The method of claim 9,
The EVA core sterilizer,
A filter module connected to the drain member and absorbing condensate by capillary action and including a sterilization component; And
An injection unit which is mounted to the filter module, atomizes the condensed water in which the sterilizing component is dissolved, as ultrasonic vibration by reverse piezoelectric, and injects the fine particles into the EVA core.
Vehicle air conditioning system comprising a. 11. The method of claim 10,
The filter module,
A housing connected to the drain member in a direction perpendicular to the eva core;
Absorber installed inside the housing, the lower end is disposed inside the drain member and guides condensate to the upper end side.
Vehicle air conditioning system comprising a. 12. The method of claim 11,
Wherein the injection unit comprises:
A reverse piezoelectric element mounted on an upper end of the housing and converting electrical energy into mechanical energy and generating ultrasonic waves;
A diaphragm mounted to an upper end of the housing corresponding to the reverse piezoelectric element, connected to an upper end of the absorber, and vibrated by ultrasonic waves
Vehicle air conditioning system comprising a.

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