Grease Collector Device for Ceiling Duct

Abstract

The present invention provides an oil receiving device for a ceiling duct comprising: a frame unit installed on a ceiling; an oil receiving unit detachably coupled to the frame unit and having oil stored in its lower portion; and a filter unit installed on the upper portion of the oil receiving unit. The frame unit is formed in a "C" shape overall in a planar direction and is also folded in a cross-sectional shape with an open inner side along the longitudinal direction, and includes a frame portion having a sliding groove formed inside. The oil receiving unit comprises a pair of side wall portions vertically provided on both sides, a pair of fitting portions provided by being folded outwardly on the upper portion of each of the side wall portions and fitted into the sliding groove of the frame portion, a support portion provided by being folded inwardly on the upper portion of each of the side wall portions and having the filter unit installed on the upper portion, and an oil storage portion provided in a manner connecting the pair of side wall portions to the lower portion of the pair of side wall portions.

Description

Technology Field

[0001] The present invention relates to an oil collecting device capable of effectively collecting and storing oil or contaminants contained in the air, and more specifically, to an oil collecting device for a ceiling duct that is detachably coupled to a ventilation duct installed on the ceiling to separate and collect oil from the inhaled air and to allow for easy separation of the collected oil. Background Technology

[0002] In general, commercial kitchens, restaurants, fried food shops, and bakeries generate large amounts of oil vapor and smoke during the cooking process, which are a major cause of deteriorating indoor air quality and increased fire hazards. To address this, ventilation systems utilizing ceiling-mounted ductwork are commonly used to expel oil vapor and contaminated air to the outside.

[0003] However, existing duct systems are structured to directly discharge oil vapors to the outside along with air, which can cause large amounts of oil to adhere or condense inside the ducts and around external outlets, potentially leading to environmental pollution and, in the long term, violations of local government environmental standards.

[0004] In particular, when oil cools and solidifies as it is discharged along the inside of the duct, it accumulates in outlets or exhaust fans, which not only reduces ventilation efficiency but also causes an increased risk of fire. Furthermore, oil deposited inside the duct is very difficult to clean and requires expensive equipment or specialized personnel, resulting in significant costs and time for maintenance.

[0005] To address these issues, grease traps attached to the exterior of ducts to collect oil have recently been introduced; among them, magnetic grease traps that use magnets to attach to the lower part of ceiling ducts or external surfaces have been commercialized. While the magnetic structure offers the advantage of easy installation without the need for a separate ceiling fixing process, structural limitations are causing various problems in terms of maintenance.

[0006] For example, in magnetic oil collectors, the strong magnetic force during attachment and detachment makes the process of removing the device rough, causing the oil collected inside to shake or flow violently and leak to the outside.

[0007] This causes problems with oil contamination around the ceiling or adjacent equipment during cleaning operations, and is a cause of deteriorating hygiene and the working environment.

[0008] In addition, due to the characteristics of the magnetic attachment structure, the oil collection device may detach or shift position due to gravity or vibration during prolonged use, which can lead to reduced oil collection efficiency and problems with installation stability.

[0009] Consequently, while existing magnetic oil catchers have the advantage of easy installation, they have practical disadvantages such as oil flow issues during attachment and detachment, instability in fixed position, and leakage of internal oil, thus requiring a structure that compensates for these shortcomings. Prior art literature

[0010] Registered Patent No. 10-2194462 The problem to be solved

[0011] The present invention is devised to solve the problems of the aforementioned prior art, and aims to provide an oil collecting device capable of separating and collecting oil outside the duct in advance so as to fundamentally reduce environmental pollution, oil accumulation inside the duct, reduced ventilation efficiency, and fire risk that occur when air containing oil vapor is directly discharged to the outside through a duct system.

[0012] In addition, the purpose is to provide an oil catcher that can improve the problem of rapid oil flow and external leakage when performing separation work, and prevent oil from flowing out or contaminating the surrounding environment during maintenance.

[0013] In addition, another objective is to provide a structure that enhances the installation stability of the oil collection device and prevents the device from easily shaking or detaching during repeated attachment and detachment processes through mechanical fixing structures such as a sliding mechanism, thereby maintaining stable collection performance and hygiene even during long-term use.

[0014] The problems of the present invention are not limited to those mentioned above, and other unmentioned problems will be clearly understood by those skilled in the art from the description below. means of solving the problem

[0015] To achieve the above-mentioned purpose, the present invention provides an oil receiving device for a ceiling duct comprising: a frame unit installed on a ceiling; an oil receiving unit detachably coupled to the frame unit and having oil stored in its lower portion; and a filter unit installed on the upper portion of the oil receiving unit. The frame unit is formed in a "C" shape overall in a planar direction and is also formed in a "C" shape in cross-section along the longitudinal direction, with the inner side open and a sliding groove formed inside the frame portion. The oil receiving unit comprises a pair of side wall portions vertically provided on both sides, a pair of fitting portions provided on the upper portion of each side wall portion so as to be bent outward and fitted into the sliding groove of the frame portion, a support portion provided on the upper portion of each side wall portion so as to be bent inward and having the filter unit installed on the upper portion, and an oil storage portion provided on the lower portion of the pair of side wall portions in a manner connecting the pair of side wall portions.

[0016] Here, screw holes are formed at predetermined spaced intervals on the upper side of the frame portion, and a clearance groove may be formed at the position formed in the screw holes on the lower side of the frame portion.

[0017] In addition, the filter unit may include a rectangular outer frame and a filter mesh portion provided on the inner side of the outer frame. Effects of the invention

[0018] An oil catcher for a ceiling duct according to one embodiment of the present invention configured as described above provides the following effects.

[0019] First, according to an embodiment of the present invention, an oil collecting device for a ceiling duct efficiently separates oil from the air through a combination of a filter unit and an oil collecting unit, thereby significantly reducing the inflow of oil into the duct. In particular, since the oil collecting unit is configured to be detachably attached to a frame unit installed on the ceiling, oil removal and cleaning are very easy, and maintenance is very convenient.

[0020] Second, according to one embodiment of the present invention, the oil receiving device for a ceiling duct allows for convenient installation on the ceiling and enables the oil receiving unit to be separated in a sliding manner, thereby allowing for easy separation from the frame unit while preventing internal oil from flowing out.

[0021] The effects of the present invention are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art from the description in the claims. Brief explanation of the drawing

[0022] FIG. 1 is an exploded perspective view of the main components forming an oil catcher for a ceiling duct according to one embodiment of the present invention; FIG. 2 is an assembled perspective view of the main components forming an oil catcher for a ceiling duct according to one embodiment of the present invention; FIG. 3 is a side view of an oil catcher for a ceiling duct according to one embodiment of the present invention; FIG. 4 is a perspective view showing a frame unit from the opposite direction to FIG. 1; FIG. 5 is an exploded perspective view of the main components forming an oil catcher for a ceiling duct according to another embodiment of the present invention; and FIG. 6 is a side view of an oil catcher for a ceiling duct according to another embodiment of the present invention. Specific details for implementing the invention

[0023] A preferred embodiment of the present invention, in which the objective of one embodiment of the present invention can be specifically realized, will be described in detail below with reference to the attached drawings. In describing this embodiment, the same names and reference numerals are used for identical components, and additional explanations thereof will be omitted.

[0024] FIG. 1 is an exploded perspective view of the main components forming an oil catcher for a ceiling duct according to one embodiment of the present invention, FIG. 2 is an assembled perspective view of the main components forming an oil catcher for a ceiling duct according to one embodiment of the present invention, and FIG. 3 is a side view of an oil catcher for a ceiling duct according to one embodiment of the present invention.

[0025] An oil receiving device (100) for a ceiling duct according to one embodiment of the present invention includes a frame unit (110), an oil receiving unit (130), and a filter unit (150).

[0026] The above-described frame unit (110) is a component that is fixedly installed in a ceiling duct system, and it is preferable that it be made of stainless steel or an aluminum alloy that is sturdy and has excellent corrosion resistance. The above-described frame unit (110) is formed in a "C" shape overall in a planar view and includes a frame part (112) that is bent in a cross-sectional "C" shape along the longitudinal direction with an open inner side and has a sliding groove (114) formed inside.

[0027] The above sliding groove (114) is processed so that the fitting part (134) of the oil receiving unit (130), which will be described later, is inserted and joined in a sliding manner, and the depth and width of the sliding groove (114) are made larger than the height of the screw head part that fixes the fitting part (134) and the frame unit (110) to the ceiling so that smooth attachment and detachment are possible without looseness or excessive friction.

[0028] Screw holes (118) are formed at predetermined spaced intervals on the upper side of the frame part (112). The screw holes (118) are parts through which screws pass to fix the frame unit (110) to the ceiling duct, and it is generally preferable to have four or more.

[0029] In addition, a clearance groove (116) is formed on the lower side of the frame part (112) at the position formed in the screw hole (118) so that screw fastening work can be easily performed (see FIG. 4).

[0030] Next, the oil receiving unit (130) is configured to collect and store oil and is made of a material with excellent chemical resistance and durability.

[0031] As described above, the oil receiving unit (130) comprises a pair of side wall sections (132) provided vertically on both sides, a pair of fitting sections (134) provided on the upper part of each of the side wall sections (132) so as to be bent outward and fitted into the sliding groove (114) of the frame section (112), a support section (136) provided on the upper part of each of the side wall sections (132) so as to be bent inward and on which the filter unit (150) is installed, and an oil storage section (142) provided on the lower side of the pair of side wall sections (132) in a form connecting the pair of side wall sections (132).

[0032] The above side wall portion (132) forms the upper outer frame of the upper oil receiving unit (130) and is made of a thickness having sufficient strength and corrosion resistance.

[0033] And, the above-mentioned fitting part (134) is configured to allow the oil receiving unit (130) to be fixed to the frame unit (110) in a detachable manner.

[0034] In addition, the support member (136) stably supports both lower sides of the filter unit (150), and a fine uneven pattern or rubber packing may be additionally applied to the surface of the support member (136) to prevent the filter unit (150) from slipping.

[0035] The oil storage unit (142) is formed in the shape of a drum overall, with an opening (146) and a partition (144) formed on the side along the circumferential direction. At this time, the lower part of the oil storage unit (142) is formed in a closed shape having a predetermined height so that oil is contained in the internal storage space (146).

[0036] That is, the drum-shaped oil storage unit (142) is configured to store oil on the lower side, and the opening (146) is an opening formed on the circumferential surface of the oil storage unit (142) and serves as a passage for discharging the stored oil, and generally, about 5 of them are evenly arranged in the circumferential direction.

[0037] It is preferable that the above fitting part (134), the above support part (134), and the above oil storage part (142) are formed integrally with the above side wall part (132).

[0038] And, the filter unit (150) is a component positioned outside the duct that sucks in air and captures oil particles in the sucked-in air, and is designed to be replaceable.

[0039] The filter unit (150) includes a rectangular outer frame (152) and a filter mesh portion (154) provided on the inner side of the outer frame (152). The outer frame (152) serves to support and protect the filter mesh portion (154), and is generally made of extruded aluminum or stainless steel, with the corners rounded to enhance safety.

[0040] The filter mesh portion (154) is a filter medium that actually captures oil particles and may be made of a mesh structure. Although not illustrated in detail, the filter mesh portion (154) may be composed of a multilayer structure and may consist of a primary filter layer which is a coarse mesh filter that captures large oil droplets and solid particles, a secondary filter layer of medium density that captures medium-sized oil particles, and a tertiary filter layer which is a high-density filter or activated carbon filter that captures fine oil mist.

[0041] Each of the above filter layers has different pore sizes and materials to capture oil in stages, thereby maximizing overall filtration efficiency.

[0042] The operating principle of the oil collecting device (100) for a ceiling duct of the present invention is that when air containing oil vapor generated during the cooking process is sucked in by the duct system, fine oil particles are collected as the sucked air passes through the filter unit (150), and the oil collected in the filter is condensed and falls into the oil storage section (142) by gravity.

[0043] And, the process is carried out such that the fallen oil is stored inside the oil storage unit (142) and the air from which the oil has been removed is discharged to the outside through the duct.

[0044] The installation process is carried out in the order of fixing the frame unit (110) to the outer ceiling of the ceiling duct with screws through the screw holes (118), inserting the fitting part (134) of the oil receiving unit (130) into the sliding groove (114) of the frame unit (110), and seating the filter unit (150) on the support part (136) of the oil receiving unit (130).

[0045] Although not shown, the system may additionally include an automatic oil discharge system that detects the amount of oil stored by installing a sensor in the oil storage unit (142) and automatically discharges the oil when it reaches a certain level, a temperature detection system that prevents fire hazards in advance by generating an alarm when the temperature rises excessively, an LED status indicator that visually informs of the filter replacement time, oil discharge time, etc., and an antibacterial system that prevents bacterial growth by applying an antibacterial coating to the surface of the filter mesh unit (154) and the oil storage unit (142).

[0046] According to the oil receiving device (100) for a ceiling duct configured as described above, the combination of the filter unit (150) and the oil receiving unit (130) efficiently separates oil from the air, thereby significantly reducing the inflow of oil into the duct.

[0047] In particular, the oil catcher unit (130) is configured to be detachably attached to the frame unit (110), making oil removal and cleaning very easy and providing the effect of making maintenance very convenient.

[0048] In addition, the oil collection unit (130) can be conveniently installed on the ceiling and can be separated from the frame unit (110) in a sliding manner, allowing the internal oil to be easily separated without flowing out.

[0050] FIG. 5 is an exploded perspective view of the main components forming an oil catcher for a ceiling duct according to another embodiment of the present invention, and FIG. 6 is a side view of an oil catcher for a ceiling duct according to another embodiment of the present invention.

[0051] The oil catcher for a ceiling duct according to the present embodiment also includes a frame unit (110), an oil catcher unit (130), and a filter unit (150). Below, configurations identical to those in the previously described embodiment will be excluded, and configurations other than those described will be explained in detail.

[0052] The oil receiving device for a ceiling duct according to the present embodiment further includes an indicator unit (170) installed inside the oil storage section (142) of the oil receiving unit (120).

[0053] The above-described indicator unit (170) includes a conical indicator body part (172) inclined from the outside toward the center and having a through-hole (174) formed in the center, an indicator piece (176) having a predetermined length and bent upward in a vertical direction at predetermined intervals along the circumference of the indicator body part (172), and a buoyancy part (178) provided around the through-hole (174).

[0054] At this time, the upper and lower auxiliary through holes (177) are provided in multiple rows and multiple columns throughout the entire indicator body part (172).

[0055] And, when the indicator unit (170) is placed inside the oil receiving unit (130) in a state where there is initially no oil at all, the indicator piece (176) is concealed inside the oil storage unit (142), and when oil is received to a certain height, the indicator piece (176) is made to be visually recognized through the opening (146) on the upper side of the oil storage unit (142).

[0056] That is, by determining the degree of exposure of the indicator (176), the time for replacing the oil inside the oil storage unit (130) can be determined. It is preferable that the exterior of the indicator (176) be coated with a fluorescent or phosphorescent material.

[0057] Additionally, the oil storage unit (142) is provided with an installation bracket (148) at a preset position, and a board-shaped separator (188) installed on the installation bracket (148) is provided.

[0058] When the indicator unit (170) is installed in the oil storage unit (142) at a position where the indicator piece (176) corresponds to the installation bracket (148) and the separating piece (188) is positioned so that one side protrudes into the oil storage unit (142), the oil is contained in the oil storage unit (142) and as the indicator unit (170) floats, the indicator piece (176) pushes the separating piece (188) down, thereby indicating the time for replacing the internal oil.

[0059] Preferred embodiments according to the present invention have been described above, and it is obvious to those skilled in the art that, in addition to the embodiments described above, the present invention may be embodied in other specific forms without departing from the spirit or scope thereof. Therefore, the embodiments described above should be regarded as illustrative rather than restrictive, and accordingly, the present invention is not limited to the description above but may be modified within the scope of the appended claims and their equivalents. Explanation of the symbols

[0061] 100: Oil catcher for ceiling ducts 110: Frame unit 112: Frame section 114: Sliding Home 118: Screw hole 130: Oil drip tray unit 132: Sidewall 134: Insert 136: Base 142: Oil storage unit 144: Bulkhead 146: Open section 150: Filter unit 152: Exterior Frame 154: Filter mesh section

Claims

Claim 1 A frame unit installed on the ceiling; an oil tray unit detachably coupled to the frame unit and storing oil at the bottom; and a filter unit installed on the upper part of the oil receiving unit; wherein the frame unit is formed in a "C" shape overall in plan and is folded in a "C" shape in cross-section along the longitudinal direction with an open inner side and includes a frame part having a sliding groove formed inside; the oil receiving unit includes a pair of side wall parts provided vertically on both sides, a pair of fitting parts provided by being folded outwardly on the upper part of each of the side wall parts and fitted into the sliding groove of the frame part, a support part provided by being folded inwardly on the upper part of each of the side wall parts so that the filter unit is installed on the upper side, and an oil storage part provided in a form connecting the pair of side wall parts below the pair of side wall parts; the oil storage part is formed in a drum shape overall, with an open part and a partition part formed on the side along the circumferential direction, and the lower part is formed in a closed shape having a predetermined height so as to contain oil inside; an indicator unit is installed inside the oil storage part, and the indicator unit has a through part formed in the center. An oil receiving device for a ceiling duct, comprising: a conical indicator body portion inclined from the outside toward the center; an indicator piece having a predetermined length and bent upward in a vertical direction at predetermined intervals along the circumference of the indicator body portion; and a buoyancy portion provided around the penetration portion, wherein the indicator body portion is provided with upper and lower auxiliary penetration holes in multiple rows and columns throughout the entire indicator body portion, and as oil is contained in the oil storage portion, the indicator unit floats so that the indicator piece, which was concealed inside the oil storage portion, is exposed so as to be visually recognizable from the outside through the opening on the upper side of the oil storage portion. Claim 2 A grease receiving device for a ceiling duct according to claim 1, wherein screw holes are formed at predetermined spaced intervals on the upper side of the frame portion, and a clearance groove is formed at the position formed in the screw holes on the lower side of the frame portion. Claim 3 In claim 1, the filter unit comprises a rectangular outer frame and a filter mesh portion provided on the inner side of the outer frame, for a ceiling duct oil receiving device.

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