CN201254070Y - Air purification device in vehicle - Google Patents

Abstract

The utility model relates to an air purification device inside a vehicle, which belongs to the technical field of gas pollutant treatment. The device includes a gas inlet (1), a device shell (2), a filter device (3), a connecting pipeline (4), a gas purification device (6), a high voltage electrode (7), an insulating layer (8), a grounding electrode ( 9) and gas outlet (13). One end of the filter device (3) communicates with the gas inlet (1), the other end communicates with one end of the gas purification device (6) through a connecting pipeline (4), and the other end of the gas purification device (6) communicates with the gas outlet ( 13) Connected. This device is placed before the automobile air-conditioning equipment, whether it is internal circulation or external circulation, the air entering the car first passes through this device and then enters the air-conditioning system. The utility model combines the filtration technology and the high-voltage discharge gas treatment technology and applies them to the purification of indoor air in a small space, and has simple equipment, high gas purification efficiency and strong applicability.

Description

Air purifying device in a car

technical field

The utility model relates to an air purification device inside a car, which belongs to the technical field of gas pollutant treatment.

Background technique

At present, the problem of air pollution in cars is very serious. The sources of pollutants mainly come from the following aspects: first, the harmful gases contained in the interior decoration materials of new cars, mainly including benzene, formaldehyde, xylene, etc.; Third, if the car air conditioner evaporator is not cleaned and cared for for a long time, a lot of dirt will adhere to it, and the harmful substances such as amine, nicotine, and bacteria produced will permeate the small space in the car. Lead to poor air quality or even hypoxia in the car; Fourth, car decoration pollution. At present, because of the good sealing performance and poor air circulation in the car interior, especially the car interior, the harmful gas (such as formaldehyde, etc.) content in the car seriously exceeds the standard, especially in new cars, and harmful pollutants accumulate in the car. , when it reaches a certain level, it will become a latent invisible killer, which will endanger the health of the passengers in the slightest and endanger the life in severe cases.

Existing vehicles are not equipped with a ventilator in the car, so the dirty air in the car cannot be discharged in time and replaced with fresh air, nor can the dirty air in the car be filtered to keep the air in the car fresh. Therefore, the technology of improving the air quality in the car has become an urgent problem to be solved.

Utility model content

The purpose of the utility model is to propose an air purification device in a car for the pollution of the air in the car, which can effectively improve the air quality in the car.

In order to achieve the above object, the utility model adopts the following technical solutions. The device includes a gas inlet, a gas outlet, a casing, a filtering device and a gas purification device arranged in the casing. The filter device is a housing with a filter material inside; the gas purification device includes an insulating layer and a high-voltage electrode and a ground electrode arranged in the insulating layer and connected to the battery, and the high-voltage electrode is fixedly connected to the insulating layer , the high-voltage electrode and the ground electrode are arranged in multiple groups in sequence along the axis of the gas purification device. One end of the filtering device communicates with the gas inlet, the other end communicates with one end of the gas purification device through a connecting pipeline, and the other end of the gas purification device communicates with the gas outlet.

The connecting pipeline communicates with the gas purification device through the expander.

The gas purification device communicates with the gas outlet through the reducer.

The high-voltage electrodes are stainless steel wires.

The ground electrode is a stainless steel plate.

The material of the insulating layer is polytetrafluoroethylene.

The filter material in the filter device is activated carbon fiber or activated carbon particles.

The number of groups of the high-voltage electrodes and ground electrodes is less than or equal to 5.

This device is placed before the automobile air-conditioning equipment, whether it is internal circulation or external circulation, the air entering the car first passes through this device and then enters the air-conditioning system. This device is composed of two parts: an air filter device and a gas purification device. The air filter device uses activated carbon fibers to filter the air to filter out particulate matter and aerosol substances in the air, and some odorous gases can also be removed during this process; The filtered gas enters the gas purification device for further treatment, and the main removal objects are organic pollutants in the gas, such as formaldehyde, benzene, and toluene. The principle of the purification device to remove pollutants is to use high-voltage discharge to generate plasma, decompose and oxidize these pollutant molecules into harmless small molecules CO ₂ , CO and H ₂ O, so that the air can be purified, and at the same time, the discharge process produces A large number of electrons can increase the content of negative ions in the air in the car and effectively improve the air quality in the car.

Compared with the existing device, the air purification device in the vehicle provided by the utility model has the following advantages: the filtration technology and the high-voltage discharge gas treatment technology are combined and applied to the purification of indoor air in a small space, the equipment is simple, and the gas purification efficiency is high , Strong applicability. In addition, the energy required by the device comes from the battery equipped with the car, and no external power supply is required.

Description of drawings

Fig. 1 is the structural diagram of the gas purification device in the vehicle provided by the utility model

Fig. 2 is the A-A' sectional view of Fig. 1

In the figure: 1. Gas inlet, 2. Shell, 3. Filtration device, 4. Connecting pipeline, 5. Activated carbon fiber, 6. Gas purification device, 7. High voltage electrode, 8. Insulation layer, 9. Grounding electrode, 10 , Expander tube, 11. Reducer tube, 12. Equipment support, 13. Gas outlet, 14. Battery (self-contained).

Detailed ways

Below in conjunction with Fig. 1, Fig. 2 the utility model is further described.

The specific structure of this embodiment is shown in FIG. 1 , including a gas inlet 1 , a gas outlet 13 , a housing 2 , a filter device 3 and a gas purification device 6 fixed in the housing 2 through an equipment bracket 12 . The filtering device 3 is a casing with filtering material inside. The gas purification device 6 includes an insulating layer 8 and a high-voltage electrode 7 and a ground electrode 9 that are arranged in the insulating layer 8 and are connected to the battery 14 (automobile comes with it), and the high-voltage electrode 7 and the ground electrode 9 are fixedly connected with the insulating layer 8 . One end of the filter device 3 is connected to the gas inlet 1, and the other end is connected to one end of the gas purification device 6 through the connecting pipeline 4 and the expander 10 in turn, and the other end of the gas purification device 6 is connected to the gas outlet 13 through the reducer 11 connected.

Fig. 2 is the A-A' sectional view of Fig. 1. It can be seen from Fig. 2 that the grounding electrode 9 is in the shape of a plate, and there is a gap for gas to flow between its surroundings and the insulating layer 8, while the high-voltage electrode 7 is in the shape of a wire .

The entire device in this embodiment is made of stainless steel, and its size is 200×100×100mm. The high-voltage electrode material in the gas purification device is stainless steel wire, and the ground electrode material is stainless steel plate. Both the high-voltage electrode and the ground electrode are connected to the battery 14 that comes with the car, and are powered by the battery 14. The material of the insulating layer 8 is polytetrafluoroethylene. The purpose of expanding the pipe 10 is to make the air flow distribution as uniform as possible, so that the pollutants can be effectively degraded in the purification device. The number of high-voltage electrodes and ground electrodes can be changed, and can be selected according to the size requirements of the device. It is sufficient to equip at most five sets of high-voltage electrodes 7 and ground electrodes 9 . In this embodiment, the selection of activated carbon fiber can reduce the resistance of the air flow, and activated carbon particles can also be selected as the filter layer.

The device uses the vehicle battery as a power source, and the activated carbon fiber in the filter device is replaced regularly. The power switch of this set of devices is the air conditioning control switch. After turning on the control switch of the air conditioning device, the gas purification device is turned on. The air volume removed by the purification device is controlled by the air conditioning device.

The gas enters the device through the gas inlet, first passes through the filter device 3, the particles and aerosol substances in the gas are filtered out, and at the same time the gas such as peculiar smell is also removed by a small amount of adsorption, after that, the gas enters the gas purification device 6 through the connecting pipe 4 for further purification. Purification treatment, under the condition that the storage battery 14 provides power, a strong electric field is generated between the high-voltage electrode 7 and the ground electrode 9, generating a large number of active groups and high-energy electrons, forcing the pollutant molecules in the electric field to undergo decomposition and oxidation reactions, and finally generate Harmless small molecular substances are discharged from the purification device, and then enter the car through the car air-conditioning system, and can increase the negative ion content in the car at the same time.

Claims (8)

1, a kind of air purification device in vehicle is characterized in that: comprise gas feed (1), gas vent (13), shell (2), be arranged on filtering installation (3) and gas cleaning unit (6) in the shell (2); Described filtering installation (3) is an inner housing that is provided with filter material; Described gas cleaning unit (6) comprises insulating barrier (8) and is arranged in the insulating barrier (8) and the high-field electrode (7) and the earth electrode (9) that are connected with storage battery (14) that high-field electrode (7) and earth electrode (9) set gradually organize along the axis direction of gas cleaning unit (6) more; One end of filtering installation (3) is connected with gas feed (1), and the other end is connected by the end of connecting line (4) with gas cleaning unit (6), and the other end of gas cleaning unit (6) is connected with gas vent (13).

2, a kind of air purification device in vehicle according to claim 1 is characterized in that: described connecting line (4) is connected with gas cleaning unit (6) by increaser (10).

3, a kind of air purification device in vehicle according to claim 1 is characterized in that: described gas cleaning unit (6) is connected with gas vent (13) by reducing pipe (11).

4, according to claim 1 or claim 2 or the described a kind of air purification device in vehicle of claim 3, it is characterized in that: described high-field electrode (7) is a stainless steel wire.

5, according to claim 1 or claim 2 or the described a kind of air purification device in vehicle of claim 3, it is characterized in that: described earth electrode (9) is a stainless steel sheet.

6, a kind of air purification device in vehicle according to claim 1 is characterized in that: the insulating barrier of described insulating barrier (8) for being made by polytetrafluoroethylmaterial material.

7, a kind of air purification device in vehicle according to claim 1 is characterized in that: the filter material in the described filtering installation (3) is NACF or activated carbon granule.

8, according to claim 1 or claim 2 or the described a kind of air purification device in vehicle of claim 3, it is characterized in that: the group number of described high-field electrode (7) and earth electrode (9) is smaller or equal to 5.

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