High-voltage electrostatic dust collection purifier

Abstract

The utility model relates to a high-voltage electrostatic dust removal purifier, which belongs to the technical field of air purification and comprises a power module, a display control panel, a booster, an electrostatic ion dust removal filter, a low-voltage direct-current motor and a particulate matter sensor. The power supply module, the booster, the low-voltage direct current motor and the particulate matter sensor are all connected into the display control panel, the input end of the booster is connected into the display control panel, and the output end of the booster is connected with the electrostatic ion dust removal filter; the display control panel analyzes and processes particulate matter concentration data in the environment collected by the particulate matter sensor, and then adjusts and controls the rotating speed of the low-voltage direct-current motor and the output voltage of the booster, so that the electrostatic ion dust removal filter dynamically adjusts the purification efficiency. The utility model has the advantages that the problem that a common HEPA filter can only adsorb bacteria but cannot sterilize is solved, sterilization is carried out through the neutralization reaction of positive and negative ions, and secondary diffusion and cross infection of bacteria are avoided.

Description

Technical Field

[0001] The utility model relates to a high-voltage electrostatic dust removal purifier, belonging to the technical field of air purification. Background Art

[0002] With the improvement of living standards, people have higher and higher requirements for the living environment. They not only need to remove dust, but also need to sterilize and remove odors. The current air purifiers on the market mainly use fiber filters and electrostatic dust collection functions to remove particulate matter and dust in the air. However, to sterilize and remove odors, only high-efficiency filters (HEPA) can achieve the goal. The HEPA filter sterilizes mainly by adsorbing the particulate matter attached with bacteria and viruses on the filter mesh, but it cannot kill bacteria and viruses, and is prone to cross-infection and secondary diffusion. The commonly used HEPA filters are divided into different grades according to the filtration efficiency of the filter paper, and the price costs of HEPA filters in different grades are also different, and the achieved filtration effects are also different. Electrostatic filters purify the air by electrostatically adsorbing dust, and at the same time generate negative ion reactions. They all have problems such as single performance, incomplete purification, and low purification efficiency. Content of the Utility Model

[0003] To overcome the defects of the prior art, the utility model provides a high-voltage electrostatic dust removal purifier. The technical solution of the utility model is as follows:

[0004] A high-voltage electrostatic dust removal purifier includes a power supply module, a display control board, a booster, an electrostatic ion dust removal filter, a low-voltage DC motor, and a particulate matter sensor. The power supply module, the booster, the low-voltage DC motor, and the particulate matter sensor are all connected to the display control board. The input end of the booster is connected to the display control board, and the output end of the booster is connected to the electrostatic ion dust removal filter. The display control board analyzes and processes the particulate matter concentration data in the environment collected by the particulate matter sensor, and then adjusts and controls the rotation speed of the low-voltage DC motor and the output voltage of the booster, so that the electrostatic ion dust removal filter dynamically adjusts the purification efficiency.

[0005] The power supply module provides voltage power for the low-voltage DC motor, the particulate matter sensor, and the booster through the display control board.

[0006] The described electrostatic ion dust removal filter includes a frame, a primary filter layer, a negative high-voltage filter mesh layer, a HEPA layer, and a positive ion generation layer. The primary filter layer, the negative high-voltage filter mesh layer, the HEPA layer, and the positive ion generation layer are sequentially laminated together to form a filter assembly as a whole. Among them, the frame is installed on the periphery of the filter assembly, and a negative conductive copper column and a positive conductive copper column are installed on the frame. The negative conductive copper column is electrically connected to the negative high-voltage filter mesh layer, and the positive conductive copper column is electrically connected to the positive ion generation layer. An air inlet is formed on the electrostatic ion dust removal filter close to the primary filter layer side, and an air outlet is formed on the electrostatic ion dust removal filter close to the positive ion generation layer side.

[0007] The described primary filter layer is made of nylon mesh.

[0008] The booster is connected to the display control board through a booster input line. The booster outputs negative DC high voltage to the negative conductive copper column through one of the booster output lines and the negative docking spring pin connected to the one booster output line. The booster outputs positive DC high voltage to the positive conductive copper column through the other booster output line and the positive docking spring pin connected to the other booster output line.

[0009] The described display control board uses the chip STM32G070CBT6 as the core processing chip.

[0010] The described power module uses a 24V / 2.5A power adapter. The power module is connected to the display control board, and the 220V alternating current is converted into stable 24V direct current through the power adapter and output to the display control board. The display control board converts the obtained 24V direct current into 5V and 3.3V direct current through a DC-DC power conversion circuit.

[0011] The described booster is a 5V DC adjustable booster.

[0012] The described low-voltage DC motor is a 24V DC motor, with a maximum speed of up to 1200r / min and a maximum power of up to 70W. The DC motor is connected to the display control board, and the display control board adjusts the speed of the DC motor through the main control circuit and the motor drive circuit.

[0013] The described particulate matter sensor is a laser particulate matter sensor.

[0014] The advantages of the present utility model are:

[0015] (1) It solves the problem that ordinary HEPA filters can only adsorb bacteria and cannot sterilize. It sterilizes through the neutralization reaction of positive and negative ions, avoiding secondary diffusion and cross-infection of bacteria.

[0016] (2) When purifying the environment of the same unit area, it takes less time, and the purifier can always maintain the best purification efficiency.

[0017] (3) The functions are more streamlined, the operation is simpler, and the cost is lower.

[0018] (4) This solution has the advantages of higher filtration efficiency, more functions, and simple structure. Description of the Drawings

[0019] Figure 1 is the main structure block diagram of the present utility model.

[0020] Figure 2 is the internal schematic diagram of the main structure of the present utility model.

[0021] Figure 3 is Figure 2 the structural schematic diagram of the electrostatic ion dust removal filter in

[0022] Figure 4 is Figure 3 the enlarged view at position A of Detailed Embodiments

[0023] The present utility model will be further described below in conjunction with specific embodiments, and the advantages and features of the present utility model will become clearer as the description proceeds. However, these embodiments are exemplary only and do not constitute any limitation to the scope of the present utility model. Those skilled in the art should understand that modifications or substitutions can be made to the details and forms of the technical solutions of the present utility model without departing from the spirit and scope of the present utility model, but these modifications and substitutions all fall within the protection scope of the present utility model.

[0024] See Figures 1 to 4 , the present utility model relates to a high-voltage electrostatic dust removal purifier, which includes a power supply module, a display control board 1, a booster 3, an electrostatic ion dust removal filter 5, a low-voltage DC motor 7, and a particulate matter sensor 18. The power supply module, the booster 3, the low-voltage DC motor 5, and the particulate matter sensor 18 are all connected to the display control board 1. The input end of the booster is connected to the display control board 1, and the output end of the booster 3 is connected to the electrostatic ion dust removal filter 5; the display control board 1 analyzes and processes the particulate matter concentration data collected by the particulate matter sensor 18, and then adjusts and controls the rotation speed of the low-voltage DC motor 5 and the output voltage of the booster 3, so that the electrostatic ion dust removal filter 5 dynamically adjusts the purification efficiency, and makes the air purifier always maintain the best purification efficiency.

[0025] The so-called optimal purification efficiency means that the air purifier continuously adjusts the rotation speed of the machine's fan and the input voltage of the booster according to the particulate matter concentration in the use environment, so that the air purifier maintains the optimal purification efficiency. This purification efficiency can be calculated and expressed by the formula:

[0026]

[0027] Among them, e represents the optimal purification efficiency of the air purifier, δ represents the thickness of the electrostatic dust removal filter, t δ represents the fixed proportional coefficient between the filter thickness and the optimal purification efficiency, C represents the concentration of particulate matter in the environment, t C represents the fixed proportional coefficient between the environmental particulate matter concentration and the optimal purification efficiency, n represents the rotation speed of the motor, T represents the cumulative working time of the motor, is the fixed proportional coefficient between the rotation speed and the working voltage of the motor, V i represents the output voltage of the booster, t v represents the fixed proportional coefficient between the output voltage of the booster and the optimal purification efficiency, S represents the area of the use environment.

[0028] Based on the above structural settings, the following are achieved:

[0029] Intelligent control: Through the intelligent control system integrated in the display control board 1, the working state of the device can be adjusted in real time according to the data collected by the particulate matter sensor 18, ensuring that the purifier always operates at the optimal efficiency.

[0030] Dynamic adjustment: It can dynamically adjust the rotation speed of the low-voltage DC motor 5 and the output voltage of the booster 3 according to the change of the environmental particulate matter concentration, so as to optimize the purification efficiency of the electrostatic ion dust removal filter 5.

[0031] High-efficiency purification: It can effectively capture and remove the tiny particulate matter in the air, improving the purification efficiency.

[0032] Energy saving: Adjust the working state of the motor and the booster according to the actual needs, avoid unnecessary energy consumption, and thus achieve energy saving.

[0033] Easy maintenance: Due to the modular design, each component (such as the power module, display control board, booster, electrostatic ion dust removal filter, low-voltage DC motor, and particulate matter sensor) is relatively independent, which is convenient for maintenance and replacement.

[0034] User-friendly: The display control board 1 provides a user interface, enabling users to intuitively understand the working state of the purifier and the environmental particulate matter concentration, improving the user experience.

[0035] Strong adaptability: This design can adapt to different environments and particulate concentrations, and can maintain good purification effects whether in homes, offices or industrial environments.

[0036] The power supply module provides voltage power for the low-voltage DC motor 7, particulate sensor 18 and booster 3 through the display control board 1; the display control board 1 completes functions such as status display, data judgment, and logic control.

[0037] The electrostatic ion dust removal filter 5 includes a frame 13, a primary filter layer 14, a negative high-voltage filter layer 15, a HEPA layer 16 and a positive ion generation layer 17. The primary filter layer 14, negative high-voltage filter layer 15, HEPA layer 16 and positive ion generation layer 17 are sequentially laminated together to form a filter assembly as a whole. Among them, the frame 13 is installed on the periphery of the filter assembly, and a negative conductive copper column 11 and a positive conductive copper column 12 are installed on the frame 13. The negative conductive copper column 11 is electrically connected to the negative high-voltage filter layer 15, and the positive conductive copper column 12 is electrically connected to the positive ion generation layer 17; an air inlet is formed on the electrostatic ion dust removal filter 5 close to the primary filter layer 14 side, and an air outlet is formed on the electrostatic ion dust removal filter close to the positive ion generation layer side. The electrostatic ion dust removal filter 5 mainly completes the adsorption and interception of particulate matter and bacteria, and at the same time performs sterilization and dust removal through ion neutralization reactions, electrostatic adsorption, negative ion reactions, etc. The frame 13 mainly plays a supporting role.

[0038] The primary filter layer 14 is mainly used to intercept large particulate matter and dust in the air, improve the filtration efficiency and extend the service life of the air purifier.

[0039] The negative high-voltage filter layer 15 is connected to the negative high voltage output by the booster 3, and uses the burrs of the filter fiber to generate a high corona, quickly releasing a large number of electrons (e-), and the electrons cannot exist in the air for a long time and will immediately be captured by oxygen molecules (O2) in the air, thereby generating air negative ions for completing positive and negative ion neutralization reactions, electrostatic adsorption, and negative ion reactions.

[0040] The HEPA layer 16 mainly relies on the van der Waals force between fine particulate matter and the filter screen to form an adsorption effect to complete the adsorption and interception of particulate matter and bacteria.

[0041] The positive ion generation layer 17 is connected to the positive high voltage output by the booster 3 to generate air positive ions. When the positive ions and negative ions neutralize their positive and negative charges in the air, a huge amount of energy is released instantaneously, resulting in a change in the structure or energy conversion of the surrounding bacteria, thereby causing the bacteria to die and realizing its sterilization effect. Since the number of negative ions is about 1.5 times that of positive ions, the excess negative ions are circulated to the use environment by the air system to occur negative ion reactions.

[0042] The described low-voltage DC motor 7 adopts PWM speed control and is used to provide strong wind power for the air purifier to achieve air circulation in the usage environment.

[0043] The described particulate matter sensor 18 is a laser particulate matter sensor, which feeds back the collected ambient particulate matter concentration to the display control board 1 through serial communication, and the display control board 1 makes judgment and processing based on the collected data.

[0044] The described primary filter layer 14 is made of nylon mesh. The negative high-voltage filter layer 15 is made by spraying 20 ml of 15% conductive graphene solution on HEPA filter paper and then drying it. The HEPA layer 16 is made of filter paper with a filtration grade of H11. The positive ion generation layer 17 is made by spraying 20 ml of 10% conductive graphene solution on HEPA filter paper and drying it.

[0045] The described booster 3 is connected to the display control board 1 through the booster input line 2. The booster 3 outputs negative DC high voltage to the negative conductive copper column 11 through one of the booster output lines 4 and the negative docking spring pin 9 connected to the one booster output line 4. The booster 3 outputs positive DC high voltage to the positive conductive copper column 12 through the other booster output line 4 and the positive docking spring pin 10 connected to the other booster output line 4. According to different environmental conditions, the display control board 1 controls the booster 3 to output different high voltages. According to different environmental conditions, the display control board 1 controls the booster 3 to output different high voltages.

[0046] The described display control board 1 uses the chip STM32G070CBT6 as the core processing chip. The display control board 1 is composed of a power supply module circuit, a DCDC power conversion circuit, a display drive circuit, a touch key circuit, a booster control circuit, a buzzer circuit, a particulate matter sensor detection circuit, and a motor drive circuit. Through these circuits, the display control board completes functions such as status display, data judgment, and logic control.

[0047] The described power supply module uses a 24V / 2.5A power adapter. The power supply module is connected to the display control board 1, and converts 220V alternating current into stable 24V direct current through the power adapter and outputs it to the display control board 1. The display control board 1 converts the obtained 24V direct current into 5V and 3.3V direct current through the DC-DC power conversion circuit, and then provides 24V, 5V, and 3.3V to other modules respectively. For example, 24V is provided to the low-voltage DC motor 7, 5V is provided to the particulate matter sensor 18, the booster 3, the touch chip, etc., and 3.3V is provided to the main control chip.

[0048] The booster 3 described above is a 5V DC adjustable booster. The booster 3 is connected to the display control board 1 through the booster input line 2. The booster 3 processes the input direct current through the EMI processing circuit and the lightning protection circuit, and then through the pulse circuit, overvoltage and current limiting; high and low voltage isolation and other circuits to boost it to an alternating current high voltage. Then, after rectifying and filtering through special-grade electronic materials, a pure DC high voltage is obtained. Then, the negative DC high voltage is output to the negative conductive copper column 11 of the electrostatic ion dust removal filter 5 through the booster output line 4 and the negative docking spring pin 9, and the positive DC high voltage is output to the positive conductive copper column 12 of the electrostatic ion dust removal filter 5 through the booster output line 4 and the positive docking spring pin 10. According to different environmental conditions, the display control board 1 controls the booster 3 to output different high voltages.

[0049] The low-voltage DC motor 7 described above is a 24V DC motor, with a maximum speed of up to 1200 r / min and a maximum power of up to 70W. The DC motor 7 is connected to the display control board 1, and the display control board 1 adjusts the speed of the DC motor through the main control circuit and the motor drive circuit. Under different environmental conditions, the low-voltage DC motor has corresponding different speeds, so that the purifier always maintains the best purification efficiency.

[0050] The particulate matter sensor 18 described above is a laser particulate matter sensor. The particulate matter sensor 18 is connected to the display control board 1. The particulate matter sensor 18 transmits the particulate matter concentration collected in the environment to the display control board 1, and the display control board 1 processes and analyzes the collected data, and then adjusts the motor speed and the input voltage of the booster according to the analysis results.

[0051] The working principle of the present utility model is:

[0052] First, the air flow carries particulate matter and bacteria into the purifier through the air inlet 6, and then passes through the filter 5. The primary filter layer 14 of the filter intercepts large particulate matter and dust, and the remaining particulate matter and bacteria are adsorbed and intercepted on the HEPA layer 16 due to the electrostatic adsorption effect of the negative high-voltage filter layer 15 and the van der Waals force of the HEPA layer 16. Then, the positive ion generation layer 17 generates positive ions to cause positive and negative ion neutralization reactions to kill most of the bacteria. The remaining negative ions circulate through the purifier with the air flow and are then discharged into the use environment through the air outlet 8, where negative ion reactions occur to reduce the particulate matter in the use environment and freshen the ambient air.

[0053] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A high-voltage electrostatic dust removal purifier, characterized in that, It includes a power supply module, a display control board, a booster, an electrostatic ion dust removal filter, a low-voltage DC motor, and a particulate matter sensor. The power supply module, the booster, the low-voltage DC motor, and the particulate matter sensor are all connected to the display control board. The input end of the booster is connected to the display control board, and the output end of the booster is connected to the electrostatic ion dust removal filter. The display control board analyzes and processes the particulate matter concentration data in the environment collected by the particulate matter sensor, and then adjusts and controls the rotation speed of the low-voltage DC motor and the output voltage of the booster, so that the electrostatic ion dust removal filter dynamically adjusts the purification efficiency.

2. The high-voltage electrostatic dust removal purifier according to claim 1, wherein The power supply module provides voltage power for the low-voltage DC motor, the particulate matter sensor, and the booster through the display control board.

3. A high-voltage electrostatic precipitator purifier according to claim 1 or 2, characterized in that, The electrostatic ion dust removal filter includes a frame, a primary filter layer, a negative high-voltage filter screen layer, a HEPA layer, and a positive ion generation layer. The primary filter layer, the negative high-voltage filter screen layer, the HEPA layer, and the positive ion generation layer are sequentially laminated together to form a filter assembly as a whole. Among them, the frame is installed on the periphery of the filter assembly, and a negative conductive copper post and a positive conductive copper post are installed on the frame. The negative conductive copper post is electrically connected to the negative high-voltage filter screen layer, and the positive conductive copper post is electrically connected to the positive ion generation layer. An air inlet is formed on the electrostatic ion dust removal filter close to the primary filter layer side, and an air outlet is formed on the electrostatic ion dust removal filter close to the positive ion generation layer side.

4. The high-voltage electrostatic dust removal purifier according to claim 3, characterized in that, The primary filter layer is made of nylon mesh.

5. The high-voltage electrostatic dust removal purifier according to claim 4, characterized in that, The booster is connected to the display control board through a booster input line. The booster outputs negative DC high voltage to the negative conductive copper post through one booster output line and a negative docking spring pin connected to the one booster output line. The booster outputs positive DC high voltage to the positive conductive copper post through the other booster output line and a positive docking spring pin connected to the other booster output line.

6. The high-voltage electrostatic dust removal purifier according to claim 5, characterized in that, The display control board uses the chip STM32G070CBT6 as the core processing chip.

7. The high-voltage electrostatic dust removal purifier according to claim 6, characterized in that, The power supply module uses a 24V / 2.5A power adapter. The power supply module is connected to the display control board, and the 220V alternating current is converted into stable 24V direct current through the power adapter and output to the display control board. The display control board converts the obtained 24V direct current into 5V and 3.3V direct current through a DC-DC power conversion circuit.

8. The high-voltage electrostatic dust removal purifier according to claim 7, wherein, The booster is a 5V DC adjustable booster.

9. The high-voltage electrostatic dust removal purifier according to claim 8, characterized in that, The low-voltage DC motor is a 24V DC motor, with a maximum rotation speed of up to 1200r / min and a maximum power of up to 70W. The DC motor is connected to the display control board, and the display control board adjusts the rotation speed of the DC motor through the main control circuit and the motor drive circuit.

10. The high-voltage electrostatic dust removal purifier according to claim 9, characterized in that, The particulate matter sensor is a laser particulate matter sensor.

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