Double-air-duct warmer with air purification function

Abstract

The utility model belongs to the technical field of heaters, and particularly relates to a double-air-duct heater with an air purification function. Comprising a heater shell and a heating piece arranged in the heater shell, and further comprises a purification unit which comprises an air inlet formed in one side of the heater shell, a purification channel arranged in the heater shell and communicated with the air inlet and a first centrifugal fan arranged in the purification channel; the heating unit comprises a heating channel communicated with the purification channel, a second centrifugal fan arranged in the heating channel and an exhaust port formed in the heater shell and communicated with the heating channel, and the heating piece is arranged in the exhaust port; and the purification assembly is arranged in the air inlet and used for purifying air about to enter the purification channel. The double air ducts are designed in a layered mode, and convection is not prone to being generated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the warmer, and particularly relates to a double-air-duct warmer with air purification function. BACKGROUND

[0002] As a common household appliance, the warmer is widely used in families, offices and various indoor places in cold seasons, and its main purpose is to create a warm and comfortable living and working environment for people by heating the surrounding air, effectively resist cold, improve the comfort of human body and guarantee the normal development of indoor activities.

[0003] In the prior art, the double-air-duct warmer realizes the functions of air circulation and heating to some extent, but has many defects. Some traditional double-air-duct warmers are not reasonable in structure design, and air convection phenomenon is often caused, for example, the air inlet and the air outlet of some double-air-duct warmers are opposite or too close, air completes circulation in a short distance, and the heated heat cannot be fully utilized to improve the temperature of the entire indoor space, which not only wastes energy, but also is difficult to meet the user's expectation of the heating effect, and cannot provide the user with uniform, stable and efficient heating experience. SUMMARY

[0004] The double-air-duct of the utility model is designed in layers, and convection is not easy to occur.

[0005] The utility model discloses a double-air-duct warmer with air purification function, which comprises a warmer shell and a heating piece arranged in the warmer shell, and further comprises:

[0006] The purification unit comprises an air inlet arranged on one side of the warmer shell, a purification channel arranged in the warmer shell and communicated with the air inlet, and a first centrifugal fan arranged in the purification channel.

[0007] The heating unit comprises a heating channel communicated with the purification channel, a second centrifugal fan arranged in the heating channel, and an air outlet arranged on the warmer shell and communicated with the heating channel, and the heating piece is arranged in the air outlet.

[0008] The purification assembly is arranged in the air inlet and used for purifying the air about to enter the purification channel.

[0009] The utility model is further provided with that the warmer shell comprises:

[0010] The chamber partition plate is arranged in the warmer shell and used for dividing the interior of the warmer shell into two parts.

[0011] A purification chamber is located behind the chamber partition plate, the air inlet is connected with the purification chamber, and the purification channel and the first centrifugal fan are installed in the purification chamber.

[0012] A heating chamber is located in front of the chamber partition plate, and the heating channel and the second centrifugal fan are installed in the heating chamber.

[0013] The chamber partition plate is further provided with a transition port, and the transition port is provided with a transition chamber.

[0014] The transition chamber comprises:

[0015] A flow guide pipe is connected with the purification channel at one end and connected with the heating channel at the other end.

[0016] Flow guide pieces are arranged on the inner wall of the flow guide pipe in the height direction of the heater shell body, and the flow guide pieces extend into the heating chamber.

[0017] The flow guide pieces are further provided with a shunt grille, and the shunt grille comprises:

[0018] A shunt grille plate is located between the flow guide pipe and the air mixing pipe.

[0019] Grille ports are arranged on the shunt grille plate in a matrix manner.

[0020] The purification assembly comprises:

[0021] A filter screen frame is arranged in the air inlet.

[0022] Drawer type slide rails are arranged on both sides of the filter screen frame, and the air inlet is provided with drawer type slide rails for reciprocating sliding in the air inlet.

[0023] A push-pull handle is arranged on one side of the filter screen frame.

[0024] The heating channel comprises:

[0025] A heat-proof mesh cover is arranged outside the air outlet.

[0026] A wave type air duct is arranged in the heating channel and located between the second centrifugal fan and the heating element.

[0027] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0028] 1. Through the double-layer structure design of the heater shell, the cavity partition plate divides the interior into a purification chamber and a heating chamber, and a transition port and a transition chamber are arranged on the cavity partition plate. The structure design can control cold air and hot air separately, and solves the problem of unstable airflow in the interior of a traditional double-air-duct heater, which is prone to convection interference and affects the heating effect.

[0029] 2. Through the cooperation of the air inlet, the purification channel, the first centrifugal fan of the purification unit, the heating channel, the second centrifugal fan and the heating element of the heating unit, an orderly process of air purification and heating is realized. The double-air-duct structure makes the purification and heating functions work together, ensures the cleanliness of indoor air, realizes efficient heating, improves the comprehensive performance of the product, and solves the problem of single function or poor combination of purification and heating of traditional heaters.

[0030] 3. The wave-shaped air duct in the heating channel is located between the second centrifugal fan and the heating element. The wave-shaped air duct increases the flow path length of air in the heating channel, so that the air has more sufficient contact time and area with the heating element. The air blown out by the second centrifugal fan slowly and circuitously advances in the wave-shaped air duct, can more fully absorb the heat emitted by the heating element, thereby improving the heating efficiency of the air, making the hot air temperature discharged from the air outlet higher and more uniform, and solving the problems of low heating efficiency and uneven distribution of hot air of traditional heaters. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a front view structure schematic diagram of the utility model;

[0032] Figure 2 is a sectional structure schematic diagram of the utility model Figure 1 at A-A;

[0033] Figure 3 is a three-dimensional structure schematic diagram of the utility model;

[0034] Figure 4 is a three-dimensional structure schematic diagram of the utility model in the first direction;

[0035] Figure 5 is a three-dimensional structure schematic diagram of the utility model in the second direction;

[0036] Figure 6 is an enlarged structure schematic diagram of the utility model Figure 4 ;

[0037] Figure 7 is an enlarged structure schematic diagram of B of the utility model Figure 6 ;

[0038] Figure 8 is a three-dimensional structure schematic diagram of the utility model in the third direction;

[0039] Figure 9 The utility model discloses Figure 8 The C part amplification structure schematic diagram of the utility model discloses

[0040] The figure mark is: 1, the warmer casing;10, chamber partition;11, purification chamber;12, warming chamber;2, heating piece;3, purification unit;30, air inlet;31, purification channel;32, first centrifugal fan;4, warming unit;40, warming channel;400, wave type air duct;41, second centrifugal fan;42, air outlet;5, purification subassembly;50, filter screen frame;51, drawer type slide rail;52, drawer type slide;53, push-pull handle;6, transition port;7, transition chamber;70, flow guide air pipe;71, flow guide sheet;8, shunt grid;80, shunt grid plate;81, grid port;9, anti-scald screen cover. Specific implementation

[0041] The utility model will be further described in the specific embodiment in combination with the drawings, referring to Figures 1-9 :

[0042] Embodiment 1

[0043] This embodiment provides a kind of double air duct warmer with air purification function, including warmer casing 1 and heating piece 2 in warmer casing 1, further include:

[0044] purification unit 3, including being located in the air inlet 30 of one side of warmer casing 1, being located in the purification channel 31 of warmer casing 1 and being connected with air inlet 30 and being located in the first centrifugal fan 32 of purification channel 31;

[0045] warming unit 4, including the warming channel 40 being connected with purification channel 31, the second centrifugal fan 41 being located in warming channel 40 and the air outlet 42 being located in warmer casing 1 and being connected with warming channel 40, and the heating piece 2 is located in air outlet 42;

[0046] purification subassembly 5, is located in air inlet 30, for purifying the air that will enter into purification channel 31.

[0047] warmer casing 1 as the external protective structure of entire warmer, contains and fixes each component in inside, provides stable installation foundation for it, while protecting internal component from the damage such as physical collision of outside. Warmer casing 1 is generally rectangular shell structure, located the outermost layer of entire warmer, surrounds all functional components in inside.

[0048] The heating element 2 is converted into heat energy by electric energy or other energy sources, and heats the air passing through the heating passage 40, so that the heater can output hot air and realize the heating function. The heating element 2 is commonly a filamentous electric heating wire or a sheet-shaped heating sheet, etc. The heating element 2 can be installed in the exhaust port 42 by setting a fixed support or a clamping groove in the peripheral side of the heating element 2, which is connected to the inner wall of the exhaust port 42 by screws, welding or riveting, etc. In this way, the air passing through the heating passage 40 can be fully heated before being discharged from the heater, thereby improving the output temperature of the hot air.

[0049] The air inlet 30 is the entrance for external air to enter the heater purification system, and provides air source for the subsequent air purification process. The air inlet 30 is generally a circular or rectangular boss protruding from the surface of the heater shell 1, and has an air inlet passage connected to the purification passage 31.

[0050] The purification passage 31 provides a space channel for air purification inside the heater, so that the air can pass through the filtration and other purification operations of the purification assembly 5 in sequence, and remove dust, pollen, harmful gases and other pollutants in the air. The purification passage 31 is usually tubular or rectangular plate-shaped structure, which can be fixed in the heater by welding or bolts, etc.

[0051] The first centrifugal fan 32 generates centrifugal force by high-speed rotating impeller, drives external air to enter the purification passage 31 from the air inlet 30, and promotes the continuous flow of air in the purification passage 31, to ensure the smooth progress of the air purification process, overcome the resistance of air in the purification process, and make the air flow according to the predetermined path. The first centrifugal fan 32 can be driven by a motor installed on the heater shell 1, and the first centrifugal fan 32 can be fixed on the inner wall of the purification passage 31 by bolts or welding, etc.

[0052] The heating passage 40 is a channel for the purified air to enter and be heated, so that the air is heated to a suitable temperature by the heating element 2, and then discharged through the exhaust port 42 to realize the heating function. The heating passage 40 is similar to the purification passage 31, and is also tubular or rectangular plate-shaped structure, which can be fixed in the heater by welding or bolts, etc.

[0053] The second centrifugal fan 41 is similar to the first centrifugal fan 32, and generates centrifugal force by rotating impeller to drive the purified air to flow in the heating channel 40, so that the air can be heated by the heating element 2 and transported to the air outlet 42, ensuring the continuous output of hot air during the heating process. The first centrifugal fan 32 is installed in the heating channel 40, usually at the connection end close to the purification channel 31, so as to effectively introduce the purified air into the heating channel 40 and promote its flow. The second centrifugal fan 41 is similar to the first centrifugal fan 32 in connection mode, and also has a motor outside the heater shell 1 for driving. The second centrifugal fan 41 can be fixed to the inner wall of the heating channel 40 by bolts or welding.

[0054] The air outlet 42 is the outlet of the heated hot air from the heater, which releases the hot air to the indoor environment to achieve the heating of the indoor air. The air outlet 42 is similar to the air inlet 30, and also protrudes from the circular or rectangular boss of the heater shell 1, and has an air outlet channel connected to the heating channel 40, which can be installed on the heater shell 1 by welding or bolts.

[0055] The purification assembly 5 is located in the air inlet 30 and is the first purification part contacted by the air entering the heater. Its core function is to filter impurities such as dust, hair, fibers and other large particle substances in the air.

[0056] Embodiment 2:

[0057] The embodiment provides a double-air-channel heater with air purification function, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0058] The heater shell 1 comprises:

[0059] The chamber partition plate 10 is arranged in the heater shell 1 and divides the interior of the heater shell 1 into two parts.

[0060] The purification chamber 11 is located behind the chamber partition plate 10, the air inlet 30 is connected to the purification chamber 11, and the purification channel 31 and the first centrifugal fan 32 are both installed in the purification chamber 11.

[0061] The heating chamber 12 is located in front of the chamber partition plate 10, and the heating channel 40 and the second centrifugal fan 41 are both installed in the heating chamber 12.

[0062] The chamber partition plate 10 is used to separate the interior space of the warmer housing 1, divide different functional areas, make the purification process and the heating process in relatively independent and orderly space, avoid mutual interference, and support the components of the upper heating chamber 12 and bear the weight pressure. The chamber partition plate 10 is generally a flat plate structure, which is adapted to the shape of the cross section of the interior of the warmer housing 1, generally rectangular or close to rectangular, and can completely divide the interior space into two parts. The chamber partition plate 10 can be connected with the warmer housing 1 by bolts or welding.

[0063] The purification chamber 11 is the core working area of the purification unit 3, and provides a special space for air purification. In the chamber, the outside air enters through the air inlet 30, flows along the purification channel 31 under the drive of the first centrifugal fan 32, and is subjected to filtration, adsorption and other purification operations of the purification assembly 5 in sequence, so that various pollutants such as dust, pollen, harmful gases and microorganisms in the air are removed, thereby obtaining relatively pure air, preparing for subsequent entry into the heating channel 40 and finally being discharged to the indoor environment, and ensuring the cleanliness and health of the indoor air.

[0064] The purification chamber 11 is the main working space of the heating unit 4. The air purified in the purification chamber 11 enters the heating channel 40 of the heating chamber 12, and under the action of the second centrifugal fan 41, the air flows rapidly in the heating channel 40 and fully contacts the heating element 2, absorbs heat and is heated, and then is discharged to the indoor environment through the air outlet 42, thereby realizing the heating function of the indoor space, providing a warm and comfortable indoor thermal environment for the user, and meeting the winter heating demand.

[0065] Embodiment 3:

[0066] The embodiment provides a double-air-duct warmer with an air purification function, which has the following technical features in addition to the technical solutions of the above embodiments.

[0067] The chamber partition plate 10 is provided with a transition port 6, and the transition port 6 is provided with a transition chamber 7.

[0068] The transition port 6 is a key channel for air flow between the purification chamber 11 and the heating chamber 12, so that the purified air can smoothly enter the heating chamber 12 from the purification chamber 11. The transition port 6 is generally a circular or rectangular opening formed on the chamber partition plate 10.

[0069] The main function of the transition chamber 7 is to further process and guide the air entering from the purification chamber 11 through the transition port 6, so that the air can enter the heating channel 40 of the heating chamber 12 more uniformly and stably.

[0070] Embodiment 4:

[0071] The embodiment provides a double-air-duct warmer with an air purification function.

[0072] The transition chamber 7 comprises:

[0073] The flow guide air pipe 70 is connected to the purification channel 31 at one end and connected to the warming channel 40 at the other end.

[0074] The flow guide fins 71 are arranged on the inner wall of the flow guide air pipe 70 in the height direction of the warmer shell 1, and the flow guide fins 71 extend into the warming chamber 12.

[0075] The main function of the flow guide air pipe 70 is to guide the air flowing out of the purification channel 31 to flow smoothly to the warming channel 40, and to ensure that the air transitions between the two different function channels smoothly and orderly. It can effectively control the flow direction of the air, reduce the turbulence and energy loss in the air flow process, make the air enter the warming channel 40 in a relatively stable state, lay a good foundation for the subsequent heating and discharge process, and improve the efficiency of the entire warmer air circulation system. The flow guide air pipe 70 is generally a circular or rectangular tubular structure, and the connection with the purification channel 31 and the warming channel 40 usually adopts welding or flange connection, and cooperates with a sealing gasket to ensure the sealing of the connection.

[0076] Embodiment 5:

[0077] The embodiment provides a double-air-duct warmer with an air purification function.

[0078] The flow guide fins 71 are arranged on the inner wall of the flow guide air pipe 70 in the height direction of the warmer shell 1, and the flow guide fins 71 extend into the warming chamber 12.

[0079] The flow guide fins 71 are arranged on the inner wall of the flow guide air pipe 70 in the height direction of the warmer shell 1, and the flow guide fins 71 extend into the warming chamber 12.

[0080] The grid openings 81 are arranged on the flow guide fin 71 in a matrix manner.

[0081] The flow guide fins 71 are arranged on the inner wall of the flow guide air pipe 70 in the height direction of the warmer shell 1, and the flow guide fins 71 extend into the warming chamber 12.

[0082] The grid openings 81 are the core elements for achieving air flow splitting, which are used to transform a single air flow into multiple smaller branch air flows. The matrix-distributed grid openings 81 make the air evenly spread in the entire cross section of the heating channel 40 when entering the heating channel 40, thereby enhancing the heat exchange process between the air and the heating element 2 and the channel wall, and improving the heating efficiency.

[0083] Embodiment 6:

[0084] The embodiment provides a double-air-channel warmer with air purification function. In addition to the technical solutions of the above embodiments, the embodiment has the following technical features.

[0085] The purification assembly 5 comprises:

[0086] The filter screen frame 50 is arranged in the air inlet 30.

[0087] The drawer-type slide rail 51 is arranged on both sides of the filter screen frame 50, and the air inlet 30 is provided with a drawer-type slide rail 52 for reciprocating sliding of the drawer-type slide rail 51 in the air inlet 30.

[0088] The push-pull handle 53 is arranged on one side of the filter screen frame 50.

[0089] The main function of the filter screen frame 50 is to bear and fix the filter screen, so that the filter screen can stably be in a specific position in the air inlet 30 and ensure that the filter screen plays a role in the air purification process. The filter screen frame 50 is generally a rectangular frame structure matched with the shape of the air inlet 30, and the filter screen frame 50 is slidably connected with the air inlet 30 through the drawer-type slide rail 51.

[0090] The drawer-type slide rail 51 provides a guide and support for the reciprocating sliding of the filter screen frame 50 in the air inlet 30, so that the filter screen frame 50 can be easily pulled out or pushed in, and the user can conveniently perform regular cleaning or replacement operation on the filter screen. The drawer-type slide rail 51 is generally a C-shaped or U-shaped long strip-shaped rail structure, and the drawer-type slide rail 51 can be fixed with the air inlet 30 by screws or buckles.

[0091] The drawer-type slide rail 52 provides a rail space for installation and sliding of the drawer-type slide rail 51, and together with the drawer-type slide rail 51 forms a structural basis for smooth sliding of the filter screen frame 50. The drawer-type slide rail 52 is also a long strip-shaped rail shape, and the cross-sectional shape thereof is matched with the drawer-type slide rail 51. The drawer-type slide rail 52 can be connected with the inner wall of the air inlet 30 by welding or integral molding with the inner wall of the air inlet 30.

[0092] The push-pull handle 53 is used to provide a user with a convenient force application site, facilitating the user to operate the filter screen frame 50 to slide on the drawer slide rail 51, so that the filter screen is easier to take out and put back. The push-pull handle 53 is generally in the shape of a long strip or a round handle, which can be fixed to the top of the filter screen frame 50 by welding, screws or buckles.

[0093] Embodiment 7:

[0094] The embodiment provides a double-air-duct warmer with air purification function, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0095] The warming channel 40 comprises:

[0096] The wave-shaped air duct 400 is arranged in the warming channel 40 and located between the second centrifugal fan 41 and the heating element 2.

[0097] The wave-shaped air duct 400 is used to increase the flow path length and disturbance degree of air in the warming channel 40. Through the unique wave-shaped design, the direction and flow rate of air are constantly changed during the flow process, the contact time of air with the heating element 2 is prolonged, the heat exchange efficiency is improved, the air can more fully absorb heat, and the warming effect is improved. The wave-shaped air duct 400 is generally in the form of a wave-shaped channel structure composed of a series of continuous arc-shaped protrusions and recesses. The arc-shaped parts can be semicircular, elliptical or other similar curved shapes, and adjacent protrusions and recesses are alternately connected to form a three-dimensional wave-shaped channel. The wave-shaped air duct 400 can be connected with the inner wall of the warming channel 40 by welding or one-piece molding.

[0098] Embodiment 8:

[0099] The embodiment provides a double-air-duct warmer with air purification function, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0100] The anti-scald mesh cover 9 is arranged outside the exhaust port 42.

[0101] The anti-scald mesh cover 9 is used to ensure safety in use. It is installed outside the exhaust port 42 and plays a physical isolation role to prevent the user from being scalded by accidentally touching the high-temperature hot air discharged from the exhaust port 42 or the high-temperature components around the exhaust port 42 during the operation of the warmer, while not significantly hindering the normal discharge of hot air. On the premise of ensuring the normal realization of the warming function, the safety hazard is maximally reduced, and the use safety of the product is improved. The anti-scald mesh cover 9 is generally in the form of a metal grid structure woven or welded by longitudinal and transverse metal wires or metal strips. The anti-scald mesh cover 9 covers the outside of the exhaust port 42 and can be fixed to the outside of the exhaust port 42 by screws, buckles or the like.

[0102] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A dual-duct heater with air purification function, comprising a heater housing (1) and a heating element (2) disposed within the heater housing (1), characterized in that... It also includes: The purification unit (3) includes an air inlet (30) located on one side of the heater housing (1), a purification channel (31) located inside the heater housing (1) and connected to the air inlet (30), and a first centrifugal fan (32) located inside the purification channel (31). The heating unit (4) includes a heating channel (40) connected to the purification channel (31), a second centrifugal fan (41) located in the heating channel (40), and an exhaust port (42) located on the heater housing (1) and connected to the heating channel (40). The heating element (2) is located in the exhaust port (42). The purification component (5) is located inside the air inlet (30) and is used to purify the air that is about to enter the purification channel (31).

2. A dual-duct heater with air purification function according to claim 1, characterized in that, The heater housing (1) includes: A chamber partition (10) is provided inside the heater housing (1) to divide the interior of the heater housing (1) into two parts; The purification chamber (11) is located behind the chamber partition (10). The air inlet (30) is connected to the purification chamber (11), and the purification channel (31) and the first centrifugal fan (32) are both installed in the purification chamber (11). The heating chamber (12) is located in front of the chamber partition (10), and the heating channel (40) and the second centrifugal fan (41) are both installed in the heating chamber (12).

3. A dual-duct heater with air purification function according to claim 2, characterized in that, The chamber partition (10) has a transition port (6), and a transition chamber (7) is provided inside the transition port (6).

4. A dual-duct heater with air purification function according to claim 3, characterized in that, The transition chamber (7) includes: The air duct (70) is connected at one end to the purification channel (31) and at the other end to the heating channel (40); The guide vanes (71) are arranged sequentially on the inner wall of the air duct (70) along the height direction of the heater housing (1), and the guide vanes (71) extend into the heating chamber (12).

5. A dual-duct heater with air purification function according to claim 4, characterized in that, The guide vane (71) is provided with a flow divider (8), the flow divider (8) comprising: The diversion grille (80) is located at the front end of the guide duct (70); The grille openings (81) are opened on the diversion grille plate (80) and are distributed in a matrix.

6. A dual-duct heater with air purification function according to claim 1, characterized in that, The purification component (5) includes: A filter frame (50) is located inside the air inlet (30); Drawer slide rail (51) is provided on both sides of filter frame (50), and the air inlet (30) is provided with drawer slide rail (52) for the drawer slide rail (51) to slide back and forth in the air inlet (30). A push-pull handle (53) is located on one side of the filter frame (50).

7. A dual-duct heater with air purification function according to claim 1, characterized in that, The heating channel (40) includes: A wave-shaped air duct (400) is located within the heating channel (40) and between the second centrifugal fan (41) and the heating element (2).

8. A dual-duct heater with air purification function according to claim 1, characterized in that, The exhaust port (42) is provided with a heat-resistant mesh cover (9) on the outside.

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