KR101370796B1 - Air purifier in Heating Ventilating and Air Conditioning Module - Google Patents

Abstract

The present invention relates to an air purifier, which is installed in an HVAC module to provide an air purifier inside an HVAC module for diluting, removing, and blocking various harmful gases and odors contained in the inside or outside air introduced into the HVAC module. It is for.

The technical configuration of the present invention includes an air inlet door for determining an inflow path of air introduced through the air inlet duct and the air inlet duct, and a blower for conveying the air or the air introduced by the air inlet door into the vehicle interior; An evaporator for cooling the inside or outside air conveyed by the blower, an air mix door for controlling the inflow of the vehicle interior of the inside or outside air cooled by the evaporator, and the inside or outside air whose inflow amount is controlled by the air mix door In the HVAC module comprising a vent for supplying each part of the interior of the vehicle and a heater for heating the inside or outside air conveyed by the blower, separated from the installation hole formed through the predetermined position between the evaporator and the blower An ionization module possibly installed; And a gas sensor connected to the ionization module via a connection cable, the gas sensor being provided outside the air inlet door of the outside air inlet duct. And a control unit.

HVAC Modules, Ionization Modules, Gas Sensors, Fragrance Dispersers, Ionizers

Description

Air purifier in Heating Ventilating and Air Conditioning Module

The present invention relates to an air purifying apparatus, and more particularly, is installed in an HVAC module (heating ventilating and air conditioning module) to detect various harmful gases and odors contained in the inside or outside air introduced into the HVAC module. An air purifier inside an HVAC module for dilution, removal and blocking.

In general, the vehicle is equipped with a HVAC module (Heating Ventilating and Air Conditioning Module) in order to keep the interior of the vehicle in a comfortable environment according to various weather conditions, such as driving conditions, hot and cold.

As shown in FIG. 1, the HVAC module determines whether the source of air to be blown inside the vehicle is the internal air (hereinafter, bet) or the outside air of the vehicle (hereinafter, outside air). The air inlet door 110 and the blower 120 that pressurizes air to the interior of the vehicle through the air inlet door 110 and the inside and the outside air that are pushed through the blower 120 pass through the air inlet door 110. Within the evaporator (130) and the evaporator 130 to pass through, the flow rate is controlled by the air mix door (Air Mix Door: 140) and the air mix door 140 to adjust the inflow of outside air, Vents 150 for supplying the outside air to each part of the vehicle and a heater core 160 for heating the inside and the outside air that are pumped through the blower 120 are configured.

Here, the evaporator 130 stage of the HVAC module 100 is equipped with an ionizer (Ionizer: 180) is made to suppress the growth of mold, bacteria, etc. of the bet or the outside air that is transported by the blower 120. However, there were insufficient aspects to remove various harmful gases and unpleasant odors contained in the inside or outside air.

That is, the ionizer 180 is configured to perform the antibacterial function of the inside and the outside air flowing into the inside of the vehicle through the vent 150, but to the inside air flowing from the outside of the vehicle and inside the inside of the vehicle There was a problem that it is difficult to remove and block various harmful gases such as gas containing various methane components and other odors that are unpleasant to drivers and occupants.

In addition, while supplying the anion and cation in accordance with the mode state of the inside or outside air flowing into the vehicle, there is a problem that there is no function to control the amount of anions and cations according to the state of the inside or outside air.

In order to solve the problems as described above, in order to block various harmful gases and odors to be introduced into the vehicle in advance, the AQS (Air Quality System) device is installed to adjust the internal and external air automatically, It is slow to detect and react to various harmful gases and odors contained in the outside air, and therefore, various harmful gases and odors do not perform their original functions such as operating after inflowing into the vehicle. There was a problem that additional costs are added.

As a result, there is a problem that it is difficult to provide a comfortable vehicle interior environment to the driver and the passenger riding in the vehicle.

The present invention has been made to solve the problems described above, the HVAC module by installing a gas sensor in the HVAC module and at the same time connected to it, by installing an air purifier which is provided with a fragrance emitting device and an ion generating device integrally The purpose of the present invention is to provide an air purifier inside the HVAC module that can dilute, remove, and block various harmful gases and odors by introducing and generating fragrance or ions into the interior and exterior air including various harmful gases and odors. It is done.

In addition, by controlling and controlling the amount of odor emitted from the scent diverter and the amount of anions and cations generated by the ion generator, the vehicle is pleasant to the driver and passengers by selectively supplying the scent or ions to the inside or outside air flowing into the HVAC module. Its purpose is to provide an indoor environment.

In order to achieve the above object, the present invention provides an air inlet door for determining an inflow path of air introduced through the air inlet duct and the outside air inlet duct, and the bet or outdoor air introduced by the air inlet door. A blower pumped into the room, an evaporator for cooling the inside or outside air fed by the blower, an air mix door for controlling the flow rate of the inside of the vehicle of the inside or outside air cooled by the evaporator, and an inflow amount by the air mix door In the HVAC module comprising a vent for supplying the adjusted bet or outdoor air to each part of the interior of the vehicle and a heater for heating the bet or outdoor air fed by the blower, penetrates at a predetermined position between the evaporator and the blower An ionization module detachably installed in an installation hole formed; And a gas sensor connected to the ionization module via a connection cable, the gas sensor being provided outside the air inlet door of the outside air inlet duct. And a control unit.

Here, the ionization module is a fragrance emanation device for emitting scent, anion generating pins and cation generating pins for generating anions and cations protrude, respectively, the anion generating pins and cation generating pins are installed in the HVAC module It is configured to include an ion generator for automatically adjusting the amount of negative ions and cations generated by adjusting the applied voltage according to the degree of contamination.

At this time, the connector is provided at the end of the connecting cable, the connector is detachably coupled to the gas sensor.

Here, when the pollution degree of the outside air is higher than the reference value in the outside air mode, it is determined to be a clean mode for purifying the contaminated air introduced into the outside air mode and at the same time, the applied voltage is increased to increase the amount of negative ions, and the outside air mode When the pollution degree of the external air is lower than the reference value, the external air mode is maintained, but the ion mode is determined to increase the amount of cation generated by lowering the applied voltage.

As described above, the present invention having the configuration as described above is introduced into the HVAC module, including various harmful gases and odors, etc., which emits incense to the outside air, or generates ions to enter the interior of the vehicle, Various harmful gases and odors of the outside air can be diluted, removed, and blocked, thereby providing a pleasant indoor environment for the driver and the passenger of the vehicle.

In addition, the amount and the amount of scent and ions produced are controllable to control and control the amount of scent or ions supplied to the HVAC module according to the pollution level of the internal and external air, as well as to emit various kinds of scents. Therefore, it is possible to optimize the state of the bet or the outside air flowing into the vehicle interior.

In addition, by forming the AQS sensor applied to the existing vehicle integrally with the air purifier, it is possible not only to reduce the additional cost according to the installation of the AQS sensor, but also to bet mode or outside air depending on the inside and outside air flowing into the vehicle interior. This can be easily switched to the mode.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the present invention is not limited to the scope of the present invention but is only illustrative and various modifications are possible within the scope of the present invention.

2 is a view schematically showing a state in which an air purifier inside the HVAC module according to the present invention is installed.

As shown in the figure, the air purifier 80 according to the present invention is a HVAC (Heating Ventilating and Air Conditioning) module (Module) (1) of the vehicle in order to keep the interior of the vehicle comfortable Is mounted within.

In this case, the HVAC module 1 includes an air inlet door 10, a blower 20, an evaporator 30, an air mix door 40, a vent 50, and a heater.

The air inlet door 10 is to select the inflow path of the air, such as whether to let the air flowing into the vehicle interior through the air inlet duct, the outdoor air through the air inlet duct, the rotation and driving By selectively opening / closing the inside inlet duct or the outside air inlet duct, the inflow path of the air flowing into the vehicle interior is selected.

In addition, the blower 20 is for pumping the inside or outside air selected by the air inlet door 10 and forcibly presses the inside or outside air selected by the driving of a motor (not shown).

On the other hand, the evaporator 30 is made to cool the inside or outside air introduced by the pressure of the blower 20, is mainly driven in the summer and the like for cooling the vehicle interior.

The air mix door 40 controls the vehicle indoor supply volume of the internal and external air and the vehicle indoor supply path of the internal and external air flowing through the evaporator 30.

In addition, the vent 50 supplies an air or outdoor air that has passed through the evaporator 30 to the interior of the vehicle, or an air duct for supplying the indoor or outdoor air that maintains an appropriate temperature by mixing. It is installed at the entrance side of c).

On the other hand, the heater core 60 is made to heat the inside or outside air introduced by the pressure of the blower 20, is mainly driven in winter, etc. for heating the vehicle interior.

In this case, the air purifier 80 in the HVAC module 1 according to the present invention includes an ionization module 81 and a gas sensor 86 connected to the ionization module 81 with a connection cable 87. .

Here, the ionization module 81 dilutes and removes various harmful gases or odors contained in the outside air or the inside air and at the same time removes odors caused by mold and the like caused by condensed water generated in the evaporator 30. And the blower 20, the gas sensor 86 is according to the pollution degree, the outside air inlet duct to prevent the gas from entering the HVAC module 1 before the internal air motor (not shown) is operated It is provided on the outside of the air inlet door 10 (not shown), it can be switched to bet or outside according to the pollution degree of the outside air detected by the gas sensor 86.

On the other hand, the ionization module 81 is configured to include a fragrance divergence device 82 for emitting scent and an ion generator 83 for generating anion and cation. That is, the air purifier 80 in the HVAC module 1 has a fragrance diverging device 82 and an HVAC module 1 in order to emit incense to the bet or outside air that has been pushed by the blower 20 into the HVAC module 1. The ion generator 83 for generating negative ions and positive ions in the inside or outside air, which is blown by the blower 20, is provided.

In this case, the ion generator 83 is provided with an anion generating pin (not shown) for generating anion and a cation generating pin (not shown) for generating a cation.

Meanwhile, an installation hole (not shown) is formed through a predetermined position between the evaporator 30 and the blower 20 inside the HVAC module 1, and an ionization module 81 is detachably installed in the installation hole. In addition, the ion generator 83 and the fragrance diverging device 82 provided in the ionization module 81 are positioned inside the HVAC module 1.

As described above, anion generating pins and cation generating pins of the fragrance diverging device 82 and the ion generating device 83 are located inside the HVAC module 1 to the HVAC module 1. It emits incense to the inside or outside air, or generates ions.

As such, the ionization module 81 includes an ion generator 83 for generating anions and cations and a fragrance diverging device 82 for dissipating incense, thereby being included in the inside or outside air flowing into the HVAC module 1. Various harmful gases and odors can be diluted, removed, and blocked, thereby providing freshness to the driver and the occupant at the inside or outside air flowing into the vehicle interior through the HVAC module 1.

In one embodiment of the present invention, the ionization module 81 is composed of a fragrance diverging device 82 and the ion generating device 83, but the ionization module 81 is introduced into the vehicle, depending on the degree of pollution of the outside air In addition, it is also possible to include an AQS (Air Quality System: not shown) sensor that is pre-installed in the vehicle to automatically switch the outdoor mode.

Thus, the fragrance diverging device 82, the ion generating device 83, and the AQS sensor are made of one ionization module 81 to detect gas or odor of various methane components contained in the inside air or outside air flowing into the vehicle. At the same time, it is possible to provide freshness to the driver and the occupant of the vehicle by automatically switching the bet or the outside air mode, and emitting the inflow of the bet or the outside air, and at the same time, selectively generating negative and positive ions.

At this time, by the gas sensor 86 provided on the outside of the air inlet door 10 of the outside air inlet duct to detect and determine the pollution degree of the outside air introduced from the outside of the vehicle, when the pollution degree of the incoming outside air is detected, The ionization module 81 sends a signal to the FATC (Full Automatic Temperature Controller) to drive the air inlet door 10 to control the air flowing into the interior of the vehicle to bet or outside.

In this way, the gas sensor 86 determines the pollution degree of the outside air flowing into the HVAC module 1 in the external air mode, and when the determined pollution degree is higher than the reference value Vref, operates the AQS sensor installed in the ionization module 81. By changing to bet mode and at the same time as clean mode to clean the polluted air introduced in the outdoor mode, the amount of applied anion is increased by increasing the applied voltage, and the determined pollution degree is the reference value (Vref). If it is lower, it is determined by the ion mode (Ion mode) to reduce the amount of cations generated by lowering the applied voltage.

That is, when the pollution degree of the outside air introduced into the HVAC module 1 in the outside air mode is higher than the reference value (Vref), it is determined that the outside air condition is pollution, and at the same time converts to the bet mode and at the same time polluted from the polluted air introduced in the outside air mode When the amount of negative ions generated in the ion generator 83 is increased by determining the clean mode to remove the substances, and the pollution degree of the outside air flowing into the HVAC module 1 is lower than the reference value Vref. And the amount of negative ions generated by the ion generator 83 to reduce the amount of positive ions generated in the ion generating device 83 such that the negative ions are positive and negative. do.

On the other hand, the fragrance emanation device 82 is made of a spray type for injecting the fragrance liquid in the liquid form in order to radiate the fragrance to the inside or outside air flowing into the HVAC module (1).

At this time, by applying a timer (Timer) and the motor to the fragrance scenting device 82 made of a spray type may be made to drive the motor in accordance with the time set in the timer to spray the fragrance liquid in the form of liquid or outside air .

In addition, when the vehicle is stopped and the ignition is turned on again within 24 hours after the ignition is turned off, the vehicle emits incense when the inside of the vehicle is brought in or when the outside air flows in, or the driver If you set the A / C (Air Conditioner) mode after boarding, the fragrance diverter 82 emits incense at the first time of operation, and the smell, gas, etc. contained in the inside or outside air flowing into the vehicle interior when the air conditioner is operated. It is also possible to be made to deodorize and deodorize.

At this time, it is preferable that the fragrance emitted by the fragrance diverging device 82 is made of aroma or natural fragrance, but if it is easily diverted to the inside or outside air flowing into the interior of the vehicle, it is easy to keep the vehicle interior in a comfortable state. It is also possible to achieve.

In one embodiment of the present invention, although the fragrance emanation device 82 is made of a spray type for injecting the fragrance undiluted solution in the liquid form to the inside air or outside air introduced into the HVAC module 1, the inside air flowing into the HVAC module 1 Alternatively, if it is easy to emanate to the outside air, the fragrance emanation device 82 may be made of various structures and types, such as a gel type, a nonwoven fabric type, and a container type, and may be variously applied according to the packaging of the HVAC module 1. It is desirable to be.

At this time, when the fragrance emanation device 82 is a container type having a liquid flavour stock solution therein, the container is rotated by 180 ° by the rotational force of the motor 1 ~ 2 drops of liquid flavour stock solution in the bet or outside air It is made of a type that discharges.

On the other hand, the connector 88 is provided on the connection cable 87 for connecting the gas sensor 86 and the ionization module 81, by being made to be detachably connected to the gas sensor 86 by the connector 88 When the ionization module 81 is replaced, the connection cable 87 connected to the connector 88 is disconnected from the gas sensor 86 and the ionization module 81 is removed from the installation hole in the HVAC module 1. It may be replaced and installed by the ionization module 81.

As described above, the ionization module 81 is manufactured separately and replaceably, so that only the ionization module 81 is replaced, instead of being replaced by a single package due to malfunction or damage of the ionization module 81. It is possible to reduce the maintenance cost.

Hereinafter, an operation process of the air purifier 80 in the HVAC module 1 according to the present invention will be described.

First, the driver operates the A / C mode while driving or driving the vehicle to drive the air conditioner of the vehicle to introduce outside air into the outside air inlet duct.

When the outside air is introduced into the outside air inlet duct of the vehicle, the gas sensor 86 installed in the outside air inlet duct detects the pollution degree of various harmful gases and odors included in the outside air, and detects the pollution degree by using the ionization module 81. To be sent).

The ionization module 81 emits incense to the outside air or generates ions through the fragrance diverging device 82 or the ion generating device 83 according to the pollution degree transmitted through the gas sensor 86.

In this way, the fragrance is emitted through the fragrance diverging device 82 or the ion generator 83 of the ionization module 81 according to the pollution degree of the outside air introduced into the HAVC module, or the outside air in which the ions are generated is the evaporator 30. The air mix door 40 is introduced into the vent 50 connected to each part of the interior of the vehicle and supplied to the interior of the vehicle.

On the other hand, when the ionization module 81 is provided with an AQS sensor, in the outdoor mode, the gas sensor 86 detects the pollution degree of various harmful gases and odors included in the outside air, and the detected pollution degree is set in advance. If it is higher than the reference value (Vref), the external air mode is switched to the bet mode and at the same time, the clean mode is determined to increase the amount of negative ions generated by increasing the applied voltage to purify the contaminated air introduced in the outdoor mode.

Therefore, when the detected pollution degree is higher than the preset reference value Vref, the bet mode is performed while increasing the amount of negative ions generated for a predetermined time to purify the polluted air introduced in the outdoor mode.

If the detected pollution level is lower than the preset reference value (Vref), continue to the outdoor air mode, but determine the ion mode (Ion mode) to reduce the amount of cations generated by reducing the applied voltage driver of the vehicle interior And it controls the amount of negative ions and cations generated so as not to harm the occupant's body.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who can afford it will know.

1 is a view schematically showing a state in which an air purifier installed inside the HVAC module according to the prior art,

2 is a view schematically showing a state in which an air purifier installed inside the HVAC module according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: HVAC module, 10: air inlet door,

20 blower, 30 evaporator,

40: air mix door, 50: vent,

60: heater core, 80: air purifier,

81: ionization module, 82: fragrance diverging device,

83: ion generating device, 86: gas sensor,

87: connecting cable, 88: connector.

Claims (4)

An air inlet door 10 that determines an inflow path of air introduced through the inside air inlet duct and the outside air inlet duct, and a blower 20 that pumps the inside air or the outside air introduced by the air inlet door 10 into the vehicle interior. ), An evaporator (30) for cooling the inside or outside air fed by the blower (20), and an air mix door (40) for controlling the inflow of the inside of the vehicle for the inside or outside air cooled by the evaporator (30); , Vent 50 for supplying the indoor or outdoor air controlled by the air mix door 40 to each indoor part of the vehicle, and the heater core 60 for heating the indoor or outdoor air that is pushed by the blower 20. In the HVAC module (1) configured to include, An ionization module (81) detachably installed in an installation hole formed at a predetermined position between the evaporator (30) and the blower (20); And A gas sensor 86 connected to the ionization module 81 by a connection cable 87 and provided at an outer side of the air inlet door 10 of the outside air inlet duct; Air purifier in the HVAC module characterized in that comprises a. The method of claim 1, The ionization module 81 is a fragrance emanation device 82 for emitting scent, and anion generating pins and cation generating pins for generating anions and cations protrude, respectively, the negative ion generating pins and cation generating pins are Installed in the HVAC module (1), the air purification device inside the HVAC module, characterized in that it comprises an ion generator 83 for automatically adjusting the amount of anions and cations generated by adjusting the applied voltage according to the degree of pollution . The method of claim 1, A connector (88) is provided at an end of the connection cable (87), wherein the connector (88) is removably coupled to the gas sensor (86). The method of claim 1, If the pollution level of the outside air is higher than the standard value in the outside air mode, it is converted to the bet mode and at the same time, it is determined to be a clean mode to purify the polluted air introduced in the outside mode, increasing the applied voltage to increase the amount of negative ions, and in the outside air mode. When the pollution degree is lower than the reference value, the air mode of the HVAC module, characterized in that to maintain the outdoor mode, to increase the amount of cation generated by lowering the applied voltage to determine the ion mode.

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