CN204987240U - Take vehicle air conditioner of air -purifying function - Google Patents

Abstract

The utility model discloses an automobile air conditioner with the function of purifying air. The surface layer of the existing air conditioner evaporator is coated with an ultraviolet photocatalytic nano-antibacterial coating, and an ultraviolet lamp array is arranged to make the emitted The ultraviolet light can just fully irradiate the surface layer of the air conditioner evaporator, and at the same time, a gas sensor is installed at the air inlet and outlet, because the ultraviolet photocatalytic nano-antibacterial coating can decompose organic volatiles such as formaldehyde in the car under ultraviolet light irradiation, and Regardless of whether there is ultraviolet light or not, it has antibacterial and antifungal effects, which can solve the problem of odor in the air conditioning system. Therefore, the car air conditioner adopts antibacterial and antifungal coating plus photocatalytic degradation of organic volatiles technology to coat the surface of the air conditioner evaporator with photocatalytic nano The antibacterial coating and ultraviolet lamp matrix solve the problem of air purification in the car, and the realization of the above functions does not require additional devices, only minor changes are required on the existing car air-conditioning device.

Description

Car air conditioner with air purification function

technical field

The utility model relates to an automobile air conditioner, in particular to an automobile air conditioner with the function of purifying air, and belongs to the field of automobile spare parts.

Background technique

With the development of my country's economy, automobiles are becoming a popular commodity in every household, and the air quality in the car has also received more and more attention. Car pollutants generally include the following aspects: first, particle pollutants, generally including PM2.5, dust, pollen, etc.; second, due to the extensive use of plastic, rubber, fiber, adhesive, leather, Odor and volatile organic compounds (VOC), such as formaldehyde, benzene, toluene, etc., which are increased by foam materials, etc., will directly affect people's health. Key equipment, which is prone to mold and odor in the long-term alternating hot and cold and humid and dry working environment, especially in the evaporator part of the car.

At present, the principle of air purification is mainly to effectively improve air cleanliness by adsorbing, decomposing or transforming various air pollutants. There are many different technologies and media in the air purifier, so that it can provide users with clean and safe air. The commonly used air purification technologies are: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, superstructure Photomineralization technology, HEPA high-efficiency filtration technology, electrostatic dust collection technology, etc.; material technologies mainly include: photocatalyst, activated carbon, synthetic fiber, HEAP high-efficiency materials, negative ion generator, etc. Most of the existing air purifiers are composite, that is, multiple purification technologies and material media are used at the same time.

However, at present, the purification technology of automotive air conditioners mostly uses filtration technology to filter out particulate matter such as PM2.5, dust, pollen, etc., such as HEPA filters, activated carbon filters, etc. Air pollution cannot be solved, and it is necessary to purchase additional devices to remove formaldehyde or odor, and the problem of "air conditioning odor" in the air conditioning system cannot be solved.

Utility model content

In order to overcome the deficiencies in the above-mentioned prior art, the utility model provides an automobile air conditioner with the function of purifying air. At the same time, it can decompose and remove VOC substances such as formaldehyde in the car very well.

The technical scheme that the utility model adopts in order to solve its technical problem is:

An automobile air conditioner with the function of purifying air, comprising a casing with an air inlet and an air outlet, and an air-conditioning evaporator disposed on the casing between the inlet and the air outlet, the surface-covered coating of the air-conditioning evaporator Covered with an ultraviolet photocatalytic nano-antibacterial coating, it is equipped with an ultraviolet lamp array, which is fixed on the housing and emits ultraviolet light that can fully irradiate the surface layer of the air conditioner evaporator. A first gas sensor is fixed at the air inlet, and a second gas sensor is fixed on the casing close to the air outlet.

Its further technical scheme is:

The ultraviolet photocatalytic nano antibacterial coating is coated on the outer surface of the shell of the air conditioner evaporator, specifically coated on the outer surface of the pipe, the outer surface of the fin and the inner surface of the fin of the air conditioner evaporator, and the ultraviolet photocatalytic nano antibacterial The thickness of the coating is 10nm-5μm.

The ultraviolet lamp array is fixed between the air blower and the air conditioner evaporator, and the irradiation surface of the ultraviolet lamp array faces the air conditioner evaporator.

The air conditioner evaporator is fixed between the temperature regulating damper and the blower and allows all the wind to pass through the air conditioner evaporator. The ultraviolet lamp array is fixed on the inner wall of the housing and does not prevent the blower from passing through the air conditioner evaporator. .

The housing has an L-shaped structure, the air-conditioning evaporator is fixed in the vertical channel of the L-shaped structure, and the ultraviolet lamp array is fixedly attached to the inner wall of the housing at the bottom end of the vertical channel.

The ultraviolet lamp array is a shadowless matrix formed by arranging several ultraviolet LED lamp beads.

The power of the ultraviolet LED lamp bead is 0.1-5.0w, and the wavelength of light emitted by the ultraviolet LED lamp bead is 254-400nm.

The first gas sensor is fixed between the mixed gas regulating damper and the activated carbon filter.

The second gas sensor is fixed between the heater and the wind direction regulating damper.

The beneficial technical effects of the utility model are: the automobile air conditioner adopts the antibacterial and antifungal coating plus photocatalytic degradation VOC technology to coat the surface of the air conditioner evaporator with a photocatalytic nano coating and an ultraviolet lamp matrix, which combines the existing automobile air conditioner principle and Nano-inorganic antibacterial technology, by coating the surface of the air-conditioning evaporator shell with nano-coating, can achieve antibacterial and anti-mildew functions, and solve the problem of "air-conditioning odor" in the air-conditioning system; The ultraviolet light emitted by it and the nano-coating on the surface of the air conditioner evaporator can realize the effect of removing formaldehyde, acetaldehyde and other organic substances. Can. In addition, due to the large contact area between the fin structure of the air conditioner evaporator and the air, after its surface is coated with an ultraviolet photocatalytic nano-antibacterial coating, the photocatalyst in the coating can fully contact with the air, and the ultraviolet lamp array The use of shadowless matrix can make the ultraviolet light and photocatalyst fully act and achieve the best air purification effect.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of ultraviolet lamp array described in the utility model;

Fig. 3 is the schematic structural view of the ultraviolet photocatalytic nano antibacterial coating described in the utility model on the fin of the air conditioner evaporator;

in:

1-air inlet; 1a-outside air inlet;

1b- air inlet in the car; 2- air outlet;

2a-lower air outlet; 2b-main air outlet;

2c-defrosting air outlet; 3-housing;

4-Air conditioner evaporator; 5-UV photocatalytic nano-antibacterial coating;

6-ultraviolet lamp array; 7-the first gas sensor;

8-second gas sensor; 9-blower;

10-temperature regulating damper; 11-mixed gas regulating damper;

12-activated carbon filter; 13-heater;

14-wind direction adjustment damper; 15-air filter.

detailed description

The utility model will be described in detail below in conjunction with specific embodiments and FIGS. 1 to 3 .

An automobile air conditioner with the function of purifying air comprises a casing 3 having an air inlet 1 and an air outlet 2, and an air conditioner evaporator 4 arranged on the casing 3 between the inlet and the air outlet.

The surface layer of the air-conditioning evaporator is covered with an ultraviolet photocatalytic nano-antibacterial coating 5, and the ultraviolet photocatalytic nano-antibacterial coating 5 is specifically coated on the surface of the entire air-conditioning evaporator shell, including the pipes used in the air-conditioning evaporator on the outer surface of the fin, on the outer surface of the fin and on the inner surface of the fin. The ultraviolet photocatalytic nano-antibacterial coating 5 has the function of decomposing harmful VOC gases such as formaldehyde and acetaldehyde in the air and endogenous bacteria and odors in the air after seeing ultraviolet light, and it also has antibacterial properties when there is no ultraviolet light irradiation. Anti-mildew function. For example, the more common such coatings include nano-silver, nano-zinc, nano-copper, nano-zinc oxide, nano-titanium dioxide and other inorganic powders with antibacterial and decomposition functions. The thickness of the ultraviolet photocatalytic nano antibacterial coating 5 is 10nm-5μm.

An ultraviolet lamp array 6 is provided, and the ultraviolet lamp array is fixed on the casing 3 and emits ultraviolet light that can fully irradiate the surface layer of the air conditioner evaporator. The ultraviolet lamp array 6 is fixed between the air blower 9 and the air conditioner evaporator 4, and the irradiation surface of the ultraviolet lamp array faces the air conditioner evaporator. The air conditioner evaporator 4 is fixed between the temperature adjustment damper 10 and the blower 9 and can make all the wind pass through the air conditioner evaporator. The ultraviolet lamp array 6 is fixed on the inner wall of the housing 3 and does not block the blower from passing through Air conditioner evaporator. In this specific embodiment, the housing 3 has an L-shaped structure, the air-conditioning evaporator 4 is fixed in the vertical channel of the L-shaped structure, and the ultraviolet lamp array 6 is fixedly attached to the inner wall of the housing at the bottom end of the vertical channel. The ultraviolet lamp array 6 is a shadowless matrix formed by arranging several ultraviolet LED lamp beads. Here, the ultraviolet lamp array 6 adopts a shadowless matrix to fully irradiate the ultraviolet light emitted by the lamp beads into the microchannel of the air conditioner evaporator. Inside the fins, the contact area between the active components in the coating (that is, photocatalyst) and the air is increased, so that the coating can better decompose formaldehyde, acetaldehyde and inhibit bacteria and other substances. Wherein the power of the ultraviolet LED lamp bead is 0.1-5.0w, and the wavelength of light emitted by the ultraviolet LED lamp bead is 254-400nm.

A first gas sensor 7 is fixed on the housing 3 close to the air inlet, and the first gas sensor is fixed between the mixed gas regulating damper 11 and the activated carbon filter 12 . A second gas sensor 8 is fixed on the housing close to the air outlet, and the second gas sensor is fixed between the heater 13 and the wind direction adjusting damper 14 .

When the automobile air conditioner is turned on, the ultraviolet lamp array 6 can be selected not to turn on or to turn on. When it is not turned on, the ultraviolet photocatalytic nano-antibacterial coating on the surface of the air conditioner evaporator plays an antibacterial and antifungal role, preventing mold from growing on the surface of the air conditioner evaporator; 1a and the interior air inlet 1b) enter the air conditioner through the air filter 15, and then adjust the air volume through the mixed gas regulating damper 10, and the air with the adjusted air volume flows through the first gas sensor to detect the content of the pollutant components in the air , and flow to the blower 9 through the activated carbon filter 12. The blower blows air to send the air to the air conditioner evaporator 4. When the car air conditioner is turned on, the ultraviolet lamp array 6 is turned on. Layer 5, enabling the active ingredients in this coating to work. When pollutants and refractory substances in the air come into contact with the coating that has reacted with ultraviolet light, the formaldehyde, acetaldehyde, odor and endogenous bacteria in it will be decomposed by the active ingredients, and the air flowing through the air conditioner evaporator will get cleansed. The purified air flows to the air outlet 2 (the lower air outlet 2a, the main air outlet 2b and the defrosting air outlet 2c) through the temperature adjustment damper 10 and the heater 13 in sequence. Before flowing out of the air outlet, the purified air flows through The second gas sensor 8 located at the air outlet detects the content of pollutants in the purified air. The combined use of the first and second gas sensors can also detect the coating on the evaporator and the usage status of the ultraviolet lamp array in real time.

The above descriptions are only preferred implementation modes of the present utility model. It should be pointed out that without departing from the principle of the utility model, several improvements and modifications can be made, which are all considered as the protection scope of the utility model.

Claims (10)

1. the air conditioning for automobiles with air purification function, comprise the housing (3) with air inlet (1) and air outlet (2), and be arranged at this housing (3) is positioned at into, A/C evaporator (4) between air outlet, it is characterized in that: the Surface mulch formula of described A/C evaporator is coated with ultraviolet catalytic nanometer antibacterium coating (5), be provided with a uviol lamp battle array (6), this uviol lamp battle array is fixedly arranged on the upper and ultraviolet light sent of housing (3) be able to irradiate top layer in described A/C evaporator comprehensively, described housing (3) is upper is installed with the first gas sensor (7) near air inlet, described housing is installed with the second gas sensor (8) near air outlet place.

2. the air conditioning for automobiles of band air purification function according to claim 1, is characterized in that: described ultraviolet catalytic nanometer antibacterium coating (5) is coated on the housing outer surface of A/C evaporator.

3. the air conditioning for automobiles of band air purification function according to claim 2, it is characterized in that: described ultraviolet catalytic nanometer antibacterium coating (5) is coated on the pipeline external surface of A/C evaporator, fin outer surface and fin inner surface, and the thickness of this ultraviolet catalytic nanometer antibacterium coating (5) is 10nm ~ 5 μm.

4. the air conditioning for automobiles of band air purification function according to claim 1, it is characterized in that: described uviol lamp battle array (6) is fixedly arranged between air blast (9) and A/C evaporator (4), and the shadow surface of this uviol lamp battle array is towards A/C evaporator.

5. the air conditioning for automobiles of band air purification function according to claim 4, it is characterized in that: described A/C evaporator (4) to be fixedly arranged between temperature damper (10) and air blast (9) and can to make wind all by this A/C evaporator, the madial wall that described uviol lamp battle array (6) is fixedly arranged on housing (3) does not stop that air blast air-out is through A/C evaporator.

6. the air conditioning for automobiles of band air purification function according to claim 5, it is characterized in that: described housing (3) is in L-type structure, A/C evaporator (4) is fixedly arranged in the Vertical Channel of this L-type structure, and uviol lamp battle array (6) is fixedly covered on the case inside wall of Vertical Channel bottom.

7. the air conditioning for automobiles of band air purification function according to claim 1, is characterized in that: described uviol lamp battle array (6) be several ultraviolet LED lamp pearls arrangement formed without shadow formula matrix.

8. the air conditioning for automobiles of band air purification function according to claim 7, is characterized in that: the power of described ultraviolet LED lamp pearl is 0.1 ~ 5.0w, and the radiative wavelength of this ultraviolet LED lamp pearl is 254 ~ 400nm.

9. the air conditioning for automobiles of band air purification function according to claim 1, is characterized in that: described first gas sensor is fixedly arranged between mist damper (11) and active carbon filter (12).

10. the air conditioning for automobiles of band air purification function according to claim 1, is characterized in that: described second gas sensor is fixedly arranged between heater (13) and wind direction damper (14).