Efficient intelligent vehicle-mounted air purification device

Abstract

The utility model relates to the technical field of in-vehicle air purification, in particular to an efficient intelligent vehicle-mounted air purification device which comprises an outer frame, surface covers, a filter screen, a high-voltage circuit board, a plasma generator and a high-voltage electrode, the filter screen is detachably installed on the inner side of the outer frame, the surface covers are installed at the front end and the rear end of the outer frame, and the plasma generator is installed on the surface covers. The high-voltage electrode and the plasma generator are sequentially installed on the inner side of the face cover, the high-voltage circuit board is installed on the inner side of the bottom of the outer frame, and the plasma generator and the high-voltage electrode are both electrically connected with the high-voltage circuit board. The filter screen is arranged to filter harmful gas such as dust, the high-voltage electrode and the plasma generator are matched to generate plasmas to adsorb positively charged particulate matter in a vehicle, air in the vehicle is further purified, the air purification efficiency is high, the overall structure is simple and reasonable in arrangement, safety is good, assembly is convenient, and the vehicle-mounted air purifier is suitable for popularization and application. And the production cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of in-vehicle air purification, and particularly relates to an efficient intelligent vehicle-mounted air purification device. Background Art

[0002] With the wide popularity of automobiles in recent years, the safety and comfort of automobile use have attracted more and more attention. Occasionally, there are incidents where the health of vehicle occupants is harmed or even their lives are endangered due to poor in-vehicle air quality, sounding the alarm for car owners. In-vehicle air purification mainly uses vehicle-mounted air purifiers. A vehicle-mounted air purifier, also known as a car air purifier or an automotive air purifier, refers to an air purification device dedicated to purifying pollutants in the air inside a car, such as PM2.5, toxic and harmful gases (formaldehyde, benzene series, TVOC, etc.), odors, bacteria, and viruses. After retrieval, the existing technical solutions of vehicle-mounted air purification devices similar to the present utility model include the following three types:

[0003] 1. A vehicle-mounted air purification device disclosed in a Chinese utility model patent with a patent application number of 201821795088.0, including a purifier and a purification box. The purifier is installed above the purification box. There is a strip-shaped air outlet above the purification box, a power-on jack at the bottom of the purification box, a control switch on the side of the purification box, and a support frame behind the purification box. This vehicle-mounted air purification device borrows the vehicle's air-conditioning outlet to blow air, omits the internal fan, reduces the volume, and lightens the weight; it is easy to install, has strong adaptability, and the structure fixed to the vehicle's air-conditioning outlet can adapt to the vast majority of vehicle models;

[0004] 2. An integrated vehicle-mounted air purification device disclosed in a Chinese utility model patent with a patent application number of 202322061014.1, including a bottom case and a face case integrally connected to the bottom case. An electrostatic discharge net is installed inside the bottom case. An insulating board and a honeycomb steel plate are sequentially arranged on the electrostatic discharge net. An activated carbon filter screen is arranged on the honeycomb steel plate. A filter screen installation opening for inserting the activated carbon filter screen is opened at the front end of the bottom case. A shock-proof rubber frame is sleeved outside the bottom case. By setting the bottom case and the face case to be integrally connected, the filter screen can be directly inserted through the filter screen installation opening when replacing the filter screen, which is convenient for disassembly and assembly. By sleeving a shock-proof rubber frame outside the bottom case, the bottom case can be prevented from being damaged by collision, and the structure is relatively simple and the production cost is relatively low;

[0005] 3. An in-vehicle air purification device disclosed in a Chinese invention patent application with the patent application number 202110175531.4 includes a filter screen disposed in an in-vehicle air-conditioning filter box, a plurality of purification devices disposed on the air outlet side of the filter screen, an electric control device electrically connected to the plurality of purification devices, and a wireless control terminal connected to the electric control device. The purification device includes a purifier and an adjustment component connected to the purifier. The adjustment component is connected to the frame of the filter screen. With such a structural design, the plurality of purification devices can be evenly transported to each corner of the inner compartment of the vehicle along with the air flow of the air conditioner, thereby effectively improving the air purification effect. At the same time, since the installation position is relatively concealed, the space occupation can be reduced, and the installation is stable and reliable;

[0006] However, for the above-mentioned prior art solution 1, it blows the negative ions ionized by the purifier into the vehicle through the air-conditioning air outlet, thereby adsorbing positively charged particulate matters such as soot, dust, and floating dust in the vehicle, making these dust particles condense and become large particles and settle down, purifying the air in the vehicle. Since the purifier itself does not have functions such as filtering dust, after long-term use, the entire purifier needs to be replaced, and when dust accumulates, it is easy to occur the phenomenon of open circuit, resulting in purifier failure; for the prior art solution 2, an electrostatic discharge network is set to release static electricity to adsorb and filter harmful gases such as PM2.5. The electrostatic discharge network almost covers the entire surface of the filter screen and needs to cooperate with the honeycomb steel plate for discharging, resulting in a significant increase in cost; for the prior art solution 3, the purification device is directly installed on the filter screen, and there is no protective frame or other structures on its exterior, which is easy to cause electric shock accidents, with relatively large potential safety hazards, and the installation cost is relatively high.

[0007] Therefore, for the above-mentioned prior art solutions, although many of them achieve the purification of PM2.5, toxic and harmful gases, peculiar smells, bacteria and viruses in the air inside the vehicle, they are prone to failure, have relatively large potential safety hazards, low efficiency, high material costs, increase the production cost, and the production cost is relatively high. Summary of the Utility Model

[0008] The technical problem to be solved by the present utility model is to provide an efficient and intelligent in-vehicle air purification device in view of the above-mentioned defects of the prior art. By setting a filter screen to filter harmful gases such as dust, and by setting a high-voltage electrode and a plasma generator to cooperate to generate plasma to adsorb positively charged particulate matters in the vehicle, the air in the vehicle is further purified. The air purification efficiency is relatively high, the overall structural layout is simple and reasonable, the safety is good, the assembly is convenient, and the production cost is relatively low.

[0009] In order to solve the above technical problems, the technical solution of the present utility model is:

[0010] An efficient and intelligent in-vehicle air purification device, comprising an outer frame, a face cover, a filter net, a high-voltage circuit board, a plasma generator and a high-voltage electrode. The filter net is detachably installed inside the outer frame. The face covers are installed at both the front and rear ends of the outer frame. The high-voltage electrode and the plasma generator are sequentially installed inside the face cover. The high-voltage circuit board is installed inside the bottom of the outer frame. The plasma generator and the high-voltage electrode are both electrically connected to the high-voltage circuit board.

[0011] Preferably, a first installation groove and a second installation groove are sequentially formed inside the center of the face cover. The high-voltage electrode and the plasma generator are respectively installed in the first installation groove and the second installation groove.

[0012] Preferably, the high-voltage electrode includes a first high-voltage electrode and a second high-voltage electrode which are symmetrically arranged with each other, and a plurality of discharge saw teeth are arranged on the high-voltage electrode.

[0013] Preferably, a first face cover clamping groove, a filter net clamping groove and a second face cover clamping groove are sequentially formed inside the outer frame. A filter net insertion through hole communicating with the filter net clamping groove is formed at the upper end of the outer frame.

[0014] Preferably, a plurality of discharge through holes are formed at the center of the face cover, and the discharge saw teeth are located inside the discharge through holes.

[0015] Preferably, a plurality of uniformly distributed ventilation holes are formed on the face cover, and the cross section of the ventilation holes is circular.

[0016] Preferably, a first circuit board installation groove and a second circuit board installation groove are formed inside the bottom of the outer frame, and the high-voltage circuit board is installed in both the first circuit board installation groove and the second circuit board installation groove.

[0017] Preferably, a power line through hole communicating with the first circuit board installation groove is formed outside the bottom of the outer frame, and a power line groove is formed between the first circuit board installation groove and the second circuit board installation groove.

[0018] Preferably, the high-voltage circuit board includes a main control circuit, a power management circuit and a power input circuit, and the power management circuit and the power input circuit are both electrically connected to the main control circuit.

[0019] With the above technical solution, an efficient and intelligent vehicle air purification device provided by the present utility model has the following beneficial effects: A filter screen is detachably installed inside the outer frame of the efficient and intelligent vehicle air purification device. Face covers are installed at both the front and rear ends of the outer frame. A high-voltage electrode and a plasma generator are sequentially installed inside the face cover. The high-voltage circuit board is installed inside the bottom of the outer frame. The plasma generator and the high-voltage electrode are both electrically connected to the high-voltage circuit board. By setting the filter screen to filter harmful gases such as dust, and by setting the high-voltage electrode and the plasma generator to cooperate to generate plasma to adsorb positively charged particles in the vehicle, the air in the vehicle is further purified. The air purification efficiency is relatively high. Compared with the traditional vehicle air purification device, its overall structure layout is simple and reasonable, with good safety, convenient assembly, and relatively low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an exploded view of the present utility model;

[0021] Figure 2 is a perspective view of the present utility model;

[0022] Figure 3 is a circuit schematic diagram of the high-voltage circuit board in the present utility model;

[0023] In the figures, 1 - outer frame, 2 - face cover, 3 - filter screen, 4 - high-voltage circuit board, 5 - plasma generator, 6 - high-voltage electrode, 7 - first installation groove, 8 - second installation groove, 9 - first high-voltage electrode, 10 - second high-voltage electrode, 11 - discharge sawtooth, 12 - first face cover clamping groove, 13 - filter screen clamping groove, 14 - second face cover clamping groove, 15 - discharge through hole, 16 - ventilation hole, 17 - first circuit board installation groove, 18 - second circuit board installation groove, 19 - power cord through hole, 20 - power cord groove, 21 - filter screen insertion through hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes the specific embodiments of the present utility model with reference to the drawings. It should be noted here that the description of these embodiments is for helping to understand the present utility model, but does not constitute a limitation to the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] As Figure 1-2 shown, the high-efficiency intelligent vehicle-mounted air purification device includes an outer frame 1, a face cover 2, a filter screen 3, a high-voltage circuit board 4, a plasma generator 5 and a high-voltage electrode 6. The filter screen 3 is detachably installed inside the outer frame 1. The face covers 2 are installed at both the front and rear ends of the outer frame 1. The high-voltage electrode 6 and the plasma generator 5 are sequentially installed inside the face cover 2. The high-voltage circuit board 4 is installed inside the bottom of the outer frame 1. Both the plasma generator 5 and the high-voltage electrode 6 are electrically connected to the high-voltage circuit board 4. It can be understood that the installation position of the high-efficiency intelligent vehicle-mounted air purification device is generally located at the rear or lower part of the storage box in front of the co-pilot seat. During installation, it can be installed either face up or face down. The air flow from the air outlet of the air conditioner sequentially flows through the face cover on one side and the filter screen 3, and finally flows out through the face cover on the other side. The outer frame 1 can be made of silicone material, etc., which can filter vibrations and is not easily damaged. The filter screen 3 can be a common activated carbon antibacterial filter screen, etc., which can be replaced separately and is used to inhibit the outflow of bacteria, viruses, etc. The face cover 2 can be made of ABS plastic material, etc. The high-voltage circuit board 4 is used to provide high-voltage working power for the high-voltage electrode 6 and the plasma generator 5. The high-voltage electrode 6 and the plasma generator 5 cooperate to release plasma to adsorb the positively charged particulate matters in the air flow, so that these dust particles condense and become large particles and settle down (similarly in the reverse direction), thereby purifying the air inside the vehicle.

[0028] Specifically, a first installation groove 7 and a second installation groove 8 are successively formed inside the center of the face cover 2, and the high-voltage electrode 6 and the plasma generator 5 are respectively installed in the first installation groove 7 and the second installation groove 8; the high-voltage electrode 6 includes a first high-voltage electrode 9 and a second high-voltage electrode 10 which are symmetrically arranged, and a plurality of discharge saw teeth 11 are arranged on the high-voltage electrode 6; a first face cover clamping groove 12, a filter net clamping groove 13 and a second face cover clamping groove 14 are successively formed inside the outer frame 1, and a filter net insertion through hole 21 communicating with the filter net clamping groove 13 is formed at the upper end of the outer frame 1; a plurality of discharge through holes 15 are formed at the center of the face cover 2, and the discharge saw teeth 11 are located inside the discharge through holes 15; a plurality of uniformly distributed ventilation holes 16 are formed on the face cover 2, and the cross section of the ventilation holes 16 is circular; a first circuit board installation groove 17 and a second circuit board installation groove 18 are formed inside the bottom of the outer frame 1, and the high-voltage circuit board 4 is installed in both the first circuit board installation groove 17 and the second circuit board installation groove 18; a power supply line through hole 19 communicating with the first circuit board installation groove 17 is formed on the outer side of the bottom of the outer frame 1, and a power supply line groove 20 is formed between the first circuit board installation groove 17 and the second circuit board installation groove 18. It can be understood that the air flow enters the inside of the face cover 2 through the ventilation holes 16. At this time, the plasma released by the plasma generator 5 adsorbs the positively charged particles in the air flow to become particles attached to the filter net 3. After long-term use, the filter net 3 can be replaced separately, effectively saving the later maintenance cost.

[0029] Specifically, the high-voltage circuit board includes a main control circuit, a power management circuit, and a power input circuit. Both the power management circuit and the power input circuit are electrically connected to the main control circuit. It can be understood that the main control circuit includes a main control chip U1, a resistor R11, and a capacitor C1. Both the resistor R11 and the capacitor C1 are connected to the main control chip U1. The power management circuit includes a power management chip U5, a resistor R16, a resistor R60, a resistor R61, a capacitor C13, a capacitor C17, a capacitor C18, an inductor L6, and a voltage regulator diode D1. The resistor R16, the resistor R60, the resistor R61, the capacitor C13, the inductor L6, and the voltage regulator diode D1 are all connected to the power management chip U5. The capacitor C17 and the capacitor C18 are both connected to the inductor L6. The diode D1 is connected to the main control chip U1. The power input circuit includes a power input interface CN3, a voltage regulator diode D2, a voltage regulator diode D3, a triode Q1, a triode Q2, a fuse F1, a resistor R8, a resistor R9, a resistor R10, and a resistor R12. The fuse F1 is respectively connected to the power input interface CN3, the voltage regulator diode D2, and the voltage regulator diode D3. The resistor R8 is respectively connected to the diode D3, the resistor R9, and the triode Q1. The triode Q2 is respectively connected to the triode Q1, the resistor R10, the resistor R12, and the main control chip U1. The main control chip U1 uses a CSM32RV20_QFN32 chip to control the working state of the high-voltage circuit board. The power management chip U5 uses an MT2492 chip to output power to the above-mentioned high-voltage circuit board 4 and the plasma generator 5.

[0030] It can be understood that the design of the present utility model is reasonable and the structure is unique. By setting a filter screen 3 to filter harmful gases such as dust, and by setting a high-voltage electrode 6 and a plasma generator 5 to cooperate to generate plasma to adsorb positively charged particles in the vehicle, the air in the vehicle is further purified, and the air purification efficiency is relatively high. Compared with the traditional in-vehicle air purification device, its overall structure layout is simple and reasonable, with good safety, convenient assembly, and low production cost.

[0031] The above has described in detail the embodiments of the present utility model in conjunction with the accompanying drawings. However, the present utility model is not limited to the described embodiments. For those skilled in the art, without departing from the principle and spirit of the present utility model, various changes, modifications, substitutions, and variations made to these embodiments still fall within the protection scope of the present utility model.

Claims

1. A highly efficient and intelligent vehicle-mounted air purification device, characterized in that: It includes an outer frame, a face cover, a filter, a high-voltage circuit board, a plasma generator and a high-voltage electrode. The filter is detachably installed on the inner side of the outer frame. The face cover is installed at both the front and rear ends of the outer frame. The high-voltage electrode and the plasma generator are installed on the inner side of the face cover in sequence. The high-voltage circuit board is installed on the inner side of the bottom of the outer frame. The plasma generator and the high-voltage electrode are electrically connected to the high-voltage circuit board.

2. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: A first mounting groove and a second mounting groove are sequentially opened on the inner side of the center of the surface cover, and the high-voltage electrode and the plasma generator are respectively installed in the first mounting groove and the second mounting groove.

3. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: The high-voltage electrode comprises a first high-voltage electrode and a second high-voltage electrode which are symmetrically arranged with each other, and a plurality of discharge saw teeth are arranged on the high-voltage electrode.

4. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: The inner side of the outer frame is provided with a first surface cover snap-in slot, a filter screen snap-in slot and a second surface cover snap-in slot in sequence, and the upper end of the outer frame is provided with a filter screen plug-in through hole connected with the filter screen snap-in slot.

5. The high-efficiency intelligent vehicle-mounted air purification device according to claim 3 is characterized in that: A plurality of discharge through holes are opened at the center of the surface cover, and the discharge saw teeth are located inside the discharge through holes.

6. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: The surface cover is provided with a plurality of evenly distributed ventilation holes, and the cross section of the ventilation holes is circular.

7. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: A first circuit board mounting groove and a second circuit board mounting groove are formed on the inner side of the bottom of the outer frame, and the high-voltage circuit board is mounted in both the first circuit board mounting groove and the second circuit board mounting groove.

8. The high-efficiency intelligent vehicle-mounted air purification device according to claim 7 is characterized in that: A power line through hole communicating with the first circuit board mounting groove is formed on the outer side of the bottom of the outer frame, and a power line groove is formed between the first circuit board mounting groove and the second circuit board mounting groove.

9. The high-efficiency intelligent vehicle-mounted air purification device according to claim 1 is characterized in that: The high-voltage circuit board includes a main control circuit, a power management circuit and a power input circuit, and the power management circuit and the power input circuit are both electrically connected to the main control circuit.

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