A printer exhaust filter

Abstract

The utility model discloses a printer waste gas filter equipment, including the hollow structure of inside casing, be provided with air inlet and exhaust hole on the casing, be provided with filter group between air inlet and exhaust hole, be provided with fan between filter group and exhaust hole, the electric connection of fan and controller, filter group includes one or combination of physical filter core and chemical filter core, physical filter core includes net formula filter core and activated carbon filter core, and chemical filter core is one or combination of cold catalyst filter core or photocatalyst filter core. The utility model discloses a good waste gas treatment effect through the combination of physical filter core and chemical filter core, adopts the structure of upper end air inlet lower end exhaust, makes waste gas treatment pipeline more smooth, and simple structure, easy maintenance have very good practicality.

Description

Technical Field

[0001] This utility model relates to the field of exhaust gas filtration, and in particular to an exhaust gas filtration device for printers. Background Technology

[0002] The printer's internal space is relatively enclosed, and the various components generate heat during operation. Prolonged operation leads to increased temperature, accelerating the evaporation and condensation of water vapor in the air, thus increasing humidity inside the printer. Simultaneously, some ink evaporates into the air during the ejection process, increasing humidity inside the printer. Ink evaporation includes not only water vapor but also residual vaporized dye, especially VOCs from solvent-based and UV-cured inks, which can cause air pollution. Operators inevitably inhale these fumes during use or maintenance, potentially harming their health. Furthermore, these fumes can cause circuit board malfunctions and corrosion of printer components, reducing the printer's lifespan.

[0003] Therefore, there is an urgent need to design a printer exhaust gas filtration device that can effectively filter the exhaust gas generated during printer use, and has the advantages of simple structure and easy maintenance. Utility Model Content

[0004] The technical solution adopted in this utility model is as follows:

[0005] A printer exhaust gas filtration device, characterized in that: it includes a housing with a hollow internal structure, an air inlet and an exhaust outlet are provided on the housing, a filter group is provided between the air inlet and the exhaust outlet, a fan is provided between the filter group and the exhaust outlet, and the fan is electrically connected to a controller;

[0006] The filter assembly includes one or a combination of physical and chemical filter elements.

[0007] Preferably, the filter assembly comprises a combination of physical filter elements and chemical filter elements.

[0008] Preferably, the physical filter element includes a mesh filter element and an activated carbon filter element, and the chemical filter element is one or a combination of a cold catalyst filter element and a photocatalytic filter element.

[0009] Preferably, the mesh filter element is located near the air inlet, the activated carbon filter element is located near the exhaust outlet, and the chemical filter element is disposed between the mesh filter element and the activated carbon filter element.

[0010] Preferably, the housing is provided with an openable and closable filter door and a controller door near the filter assembly and the fan, respectively.

[0011] Preferably, the air inlet and the exhaust outlet are respectively located at the upper and lower ends of the housing, and filter element supports are respectively provided at the bottom of the physical filter element and the chemical filter element.

[0012] Preferably, a sensor connected to the controller signal is provided between the fan and the exhaust port, and the sensor is used to monitor wind pressure or wind speed.

[0013] Preferably, the fan is a centrifugal fan, and the sensor is a wind pressure sensor.

[0014] Preferably, the controller includes a switch, a buzzer, and a monitor mounted on the housing.

[0015] Preferably, the vent is a louver structure with the outlet facing downwards.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model achieves excellent waste gas treatment effect by combining physical and chemical filter elements. It adopts a structure with air intake at the top and exhaust at the bottom, which makes the waste gas treatment pipeline smoother. Moreover, the structure is simple, easy to maintain, and has good practicality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 These are the front view and AA sectional view of this utility model.

[0020] The components include: housing 10, filter door panel 11, controller door panel 12, filter element bracket 13, air inlet 20, exhaust 30, filter assembly 40, fan 50, controller 60, switch 61, buzzer 62, monitor 63, and sensor 70. Detailed Implementation

[0021] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0022] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," "up," "down," "front," "back," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments:

[0025] like Figure 1 , 2 As shown, a printer exhaust gas filtration device includes a housing 10 with a hollow internal structure. The housing 10 is provided with an air inlet 20 and an exhaust outlet 30. A filter group 40 is provided between the air inlet 20 and the exhaust outlet 30. A fan 50 is provided between the filter group 40 and the exhaust outlet 30. The fan 50 is electrically connected to a controller 60.

[0026] The filter assembly 40 includes one or a combination of physical and chemical filter elements.

[0027] Furthermore, in order to improve the waste treatment effect, the filter assembly 40 includes a combination of physical filter elements and chemical filter elements.

[0028] Furthermore, the physical filter element includes a mesh filter element and an activated carbon filter element, and the chemical filter element is one or a combination of a cold catalyst filter element or a photocatalytic filter element.

[0029] In this embodiment, a medium-efficiency filter element is selected for the mesh filter element, which is used to capture particulate dust of 1-5μm. The filter element material can be non-woven fabric or glass fiber.

[0030] Cold catalyst filters and photocatalytic filters are air purification materials based on chemical catalysis technology. They decompose harmful gases such as formaldehyde, benzene, toluene, and TVOC into water and carbon dioxide through catalytic reactions. Their core function is to decompose harmful substances in the air.

[0031] Based on the composition of the exhaust gas, this embodiment selects a cold catalyst filter element as the chemical filter element.

[0032] Furthermore, the mesh filter element is located near the air inlet 20, the activated carbon filter element is located near the exhaust 30, and the chemical filter element is disposed between the mesh filter element and the activated carbon filter element.

[0033] Furthermore, for ease of maintenance, the housing 10 is provided with a filter door 11 and a controller door 12 that can be opened and closed, respectively, near the filter group 40 and the fan 50.

[0034] During design and installation, it is important to ensure that the filter door panel 11 and the filter assembly 40 fit tightly together to prevent exhaust gas from passing through the gap between them.

[0035] Furthermore, the air inlet 20 and the exhaust outlet 30 are respectively located at the upper and lower ends of the housing 10, and filter element supports 13 are respectively provided at the bottom of the physical filter element and the chemical filter element.

[0036] The filtration device of this invention is designed for movable side mounting. Based on the structure of a UV digital printer, it is configured with air intake at the top and exhaust at the bottom, which makes the exhaust pipe smoother and the structure simpler. Moreover, the physical filter element and the chemical filter element can fit tightly against the filter element support 13 under their own weight and the air pressure of the fan.

[0037] Furthermore, in order to monitor the clogging status and proper installation of the filter assembly 40, a sensor 70 connected to the controller 60 is provided between the fan 50 and the exhaust port 30. The sensor 70 is used to monitor wind pressure or wind speed.

[0038] Furthermore, the fan 50 is a centrifugal fan, and the sensor 70 is a wind pressure sensor.

[0039] Furthermore, the controller 60 includes a switch 61, a buzzer 62, and a monitor 63 disposed on the housing 10. The switch 61 is used to control start and stop, the buzzer 62 is used for alarm, and the monitor 63 is used to display parameters such as wind pressure, power, and flow rate of the operating status.

[0040] In this embodiment, the fan power-pressure curve of the filter group 40 under normal filtration state is stored in the controller 60 in advance. When the fan power-pressure curve exceeds the set threshold, the controller 60 issues an alarm to prompt the operator to check.

[0041] Furthermore, in order to reduce the impact of the airflow from the exhaust port on surrounding equipment and the environment, the exhaust port 30 is a louver structure with the outlet facing downwards.

[0042] When using this utility model, the air inlet 20 is connected to the printer, the fan 50 is started, and the air pressure generated by the fan 50 draws the exhaust gas generated by the printer into the air inlet 20. After being filtered by the filter group 40, it is discharged from the exhaust port 30.

[0043] For those skilled in the art, various other corresponding changes and modifications can be made based on the technical solutions and concepts described above, and all such changes and modifications should fall within the protection scope of the claims of this utility model patent.

Claims

1. A printer exhaust filter apparatus, characterized by: The utility model relates to a filter device, including the casing (10) that is hollow structure inside, the upper end and the lower end of casing (10) are provided with air inlet hole (20) and exhaust hole (30) respectively, be provided with filter group (40) between air inlet hole (20) and exhaust hole (30), be provided with fan (50) between filter group (40) and exhaust hole (30), the wind pressure that fan (50) generates will exhaust gas from air inlet hole (20) suction, after filter processing from exhaust hole (30) with filter group (40) and exhaust, the wind pressure that fan (50) generates will exhaust gas from air inlet hole (20) suction, after filter processing from exhaust hole (30) with filter group (40) and exhaust, Fan (50) is electrically connected with controller (60), be provided with sensor (70) with controller (60) signal connection between fan (50) and exhaust hole (30), sensor (70) is used for monitoring wind pressure, prestore filter group (40) in controller (60) in normal filtering state wind fan power - wind pressure curve, when actual fan power - wind pressure curve exceeds the threshold value set, controller (60) sends out alarm, Filter group (40) includes the combination of physical filter core and chemical filter core.

2. The printer exhaust filter apparatus of claim 1, wherein: The physical filter core includes a mesh filter core and an activated carbon filter core, and the chemical filter core is one or a combination of a cold catalyst filter core or a photocatalyst filter core.

3. The printer exhaust filter apparatus of claim 2, wherein: The mesh filter core is close to the air inlet hole (20), the activated carbon filter core is close to the exhaust hole (30), and the chemical filter core is arranged between the mesh filter core and the activated carbon filter core.

4. The printer exhaust filter apparatus of claim 1, wherein: The casing (10) is provided with an openable and closable filter door plate (11) and a controller door plate (12) close to the filter group (40) and the fan (50) respectively.

5. The printer exhaust filter apparatus of claim 1, wherein: The bottom of the physical filter core and the chemical filter core is respectively provided with a filter core support (13).

6. The printer exhaust filter apparatus of claim 1, wherein: The controller (60) includes a switch (61), a buzzer (62), and a monitor (63) arranged on the casing (10).

7. The printer exhaust filter apparatus of claim 1, wherein: The exhaust hole (30) is a louver structure with the outlet facing downward.

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