A silent fireplace that can block firelight by placing the noise source outdoors
By setting up a hot air mezzanine channel and a flue gas mezzanine channel in the furnace box, and using the inner and outer stacking structure of the air inlet duct and U-shaped air outlet duct, the existing furnace has solved the problems of low heating efficiency and serious noise pollution, and achieved more efficient heat utilization and noise reduction effects.
Patent Information
- Application Number
- CN202421384379.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing closed fireplace has low heating efficiency, and the heat loss and waste in the high-temperature flue exhaust pipes, and severe noise pollution.
A silent fireplace with noise sources placed outdoors is designed. By setting up a hot air mezzanine channel and a flue gas mezzanine channel in the furnace box, and using the inner and outer stacking structure of the air inlet duct and U-shaped air outlet duct, the length of the heat exchange path is increased, and the heat of the furnace smoke exhaust pipe is effectively utilized.
It effectively reduces the pollution of fireplace noise on the indoor, improves heat exchange effect and heat utilization efficiency, has better heating effect and higher energy saving.
Smart Images

Figure CN222718237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireplaces, in particular to a silent fireplace which can shield firelight by placing a noise source outdoors. Background Art
[0002] A fireplace is an indoor heating device that is independent or built into a wall. It uses combustible materials as energy and has a chimney inside. It originated from the heating facilities in Western homes or palaces.
[0003] Because its fuel is a renewable resource, it is still widely used in the West after modernization and improvement, especially in the higher education class who advocate environmental protection. Fireplaces are divided into open and closed types, and the latter has much higher thermal efficiency.
[0004] Existing closed fireplaces use direct combustion for heating, which has poor indoor heating effect and low heating efficiency. In fireplaces that use combustion to heat air, the air intake pipe and the exhaust pipe are divided into two independent pipes, resulting in heat loss and waste in the high-temperature exhaust pipe.
[0005] Therefore, we propose a silent fireplace that places the noise source outdoors to shield the firelight, so as to solve the above-mentioned problems. Utility Model Content
[0006] The utility model aims to provide a silent fireplace which can block firelight by placing the noise source outdoors, so as to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silent fireplace that can block firelight by placing a noise source outdoors, comprising: a fireplace box, a furnace is arranged in the fireplace box, the fireplace box is connected to an air inlet and outlet structure and a secondary feeding structure, and the air inlet and outlet structure is arranged on an outdoor wall;
[0008] The fireplace box body is provided with a hot air interlayer channel and a smoke interlayer channel, a smoke discharge hole connected to the smoke interlayer channel is opened on the upper part of the interlayer plate of the fireplace box body, and the smoke interlayer channel is connected to the air inlet and outlet structure;
[0009] The hot air interlayer channel is connected to the air inlet and outlet structure, which includes an air inlet duct that runs through the fireplace box, and the part of the air inlet duct located in the hot air interlayer channel is provided with air holes, and the outlet of the air inlet duct is located in the lower channel of the furnace;
[0010] A U-shaped air outlet pipe is arranged in the air inlet duct, one end of the U-shaped air outlet pipe penetrates the pipe wall of the air inlet duct to connect to the smoke interlayer channel, and the other end of the U-shaped air outlet pipe located outdoors penetrates the pipe wall of the air inlet duct to connect to the exhaust fan.
[0011] Preferably, the furnace box is provided with a door cover.
[0012] Preferably, a bucket-shaped combustion box is provided in the middle of the furnace, a combustion material feeding port is provided on the box wall of the bucket-shaped combustion box, and the combustion material feeding port is connected to the secondary feeding structure.
[0013] Preferably, a plurality of strip-shaped filter holes are provided at the bottom of the bucket-shaped combustion box, and a lower channel is provided under the furnace chamber located below the bucket-shaped combustion box, and the lower channel is connected to the air inlet and outlet structures.
[0014] Preferably, a part of the hot air interlayer channel is arranged at the rear side of the smoke interlayer channel, and the other part is arranged directly above the furnace, and an air outlet flap is provided at the outlet of the hot air interlayer channel.
[0015] Preferably, the secondary feeding structure includes a secondary feeding pipe, which passes through the fireplace box body and is connected to the bucket-shaped combustion box through the combustion material feeding port. A servo motor is installed at the end of the secondary feeding pipe. The secondary feeding pipe is connected to the primary feeding pipe through a vertical pipe. The primary feeding pipe is connected to the combustion material box through the vertical pipe. Servo motors are installed at the ends of the primary feeding pipe and the secondary feeding pipe. Spiral blades are rotatably arranged in the primary feeding pipe and the secondary feeding pipe, and the output shaft of the servo motor is fixedly connected to the spiral blades.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The fan part of the main body of the air inlet and outlet structure is set outside the wall, which can effectively reduce the pollution of fireplace noise to the room;
[0018] 2. Through the internal and external stacking of the air inlet duct and the U-shaped air outlet duct, the length of the heat exchange path is further increased, the heat exchange effect is better, the heat of the furnace exhaust duct is more effectively utilized, the heating effect is better, the heat utilization efficiency is higher, and it is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is the rear view of the utility model
[0021] Figure 3 It is a perspective view of the fireplace box and the air inlet and outlet structure of the utility model;
[0022] Figure 4 It is a cross-sectional view of the air inlet and outlet structure of the utility model;
[0023] Figure 5 It is a structural schematic diagram of the secondary feeding structure in the utility model.
[0024] In the figure: 1. fireplace box; 11. hot air interlayer channel; 12. smoke interlayer channel; 13. smoke exhaust hole; 2. door cover; 4. furnace; 41. bucket-shaped combustion box; 42. lower channel; 43. combustion material loading port; 5. air outlet swing; 6. air inlet and outlet structure; 61. external fan housing; 62. air inlet duct; 63. U-shaped air outlet duct; 631. air hole; 64. air intake fan; 65. exhaust fan; 7. secondary loading structure; 71. combustion material box; 72. primary loading pipe; 73. servo motor; 74. secondary loading pipe. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-5 The utility model provides a technical solution: a silent fireplace that can block firelight by placing the noise source outdoors, comprising: a fireplace box 1, an air inlet and outlet structure 6 and a secondary feeding structure 7 are installed on the rear side of the fireplace box 1, and the main part of the air inlet and outlet structure 6 is arranged outdoors, which can effectively reduce the pollution of the fireplace noise to the room;
[0027] A furnace 4 is provided in the fireplace box 1, and a door cover 2 is provided in the fireplace box 1. The fireplace box 1 and the door cover 2 can shield the flames generated by the combustion;
[0028] A bucket-shaped combustion box 41 is provided in the middle of the furnace 4, and a combustion material feeding port 43 is provided on the wall of the bucket-shaped combustion box 41. The combustion material feeding port 43 is connected to a secondary feeding structure 7 for feeding particulate combustion materials to the bucket-shaped combustion box 41.
[0029] A plurality of strip-shaped filter holes are provided at the bottom of the bucket-shaped combustion box 41. A lower channel 42 is provided below the bucket-shaped combustion box 41 in the furnace 4. The lower channel 42 is connected to the air inlet and outlet structure 6. The air inlet and outlet structure 6 absorbs clean air from the outside and sends it into the bucket-shaped combustion box 41 through the bottom of the bucket-shaped combustion box 41, thereby providing sufficient oxygen for combustion.
[0030] The fireplace box 1 is provided with a hot air interlayer channel 11 and a smoke interlayer channel 12. A smoke discharge hole 13 connected to the smoke interlayer channel 12 is provided on the upper part of the interlayer plate of the fireplace box 1. The smoke interlayer channel 12 is connected to the air inlet and outlet structure 6. The smoke generated by the combustion of the bucket-shaped combustion box 41 enters the smoke interlayer channel 12 through the smoke discharge hole 13, and is then sucked out of the room by the negative pressure generated by the air inlet and outlet structure 6.
[0031] A part of the hot air interlayer channel 11 is arranged at the rear side of the smoke interlayer channel 12, and another part is arranged just above the furnace 4, and an air outlet swing blade 5 is arranged at the outlet of the hot air interlayer channel 11;
[0032] The hot air interlayer channel 11 is connected to the air inlet and outlet structure 6, and the air inlet and outlet structure 6 delivers clean air to the hot air interlayer channel 11. After being burned and heated by the furnace 4, the clean air is discharged from the air outlet flap 5 into the room to increase the indoor temperature.
[0033] The air inlet and outlet structure 6 comprises an air inlet duct 62 penetrating the fireplace box 1. The portion of the air inlet duct 62 located at the hot air interlayer channel 11 is provided with an air hole 631. The outlet of the air inlet duct 62 is located in the lower channel 42 of the furnace 4. The portion of the air inlet duct 62 located outdoors is provided with an air intake fan 64. Clean air is simultaneously supplied to the furnace 4 and the hot air interlayer channel 11 through the air inlet duct 62.
[0034] A U-shaped air outlet pipe 63 is provided in the air inlet pipe 62, one end of the U-shaped air outlet pipe 63 penetrates the pipe wall of the air inlet pipe 62 and is connected to the smoke interlayer channel 12, and the other end of the U-shaped air outlet pipe 63 located outdoors penetrates the pipe wall of the air inlet pipe 62 and is connected to the exhaust fan 65, and the exhaust fan 65 generates suction force to discharge the smoke generated by the combustion in the furnace 4 to the outdoors through the smoke interlayer channel 12 and the U-shaped air outlet pipe 63 in sequence;
[0035] The air intake fan 64 and the air exhaust fan 65 located outdoors are mounted on an external fan housing 61;
[0036] The secondary feeding structure 7 includes a secondary feeding pipe 74, which passes through the fireplace box body 1 and is connected to the bucket-shaped combustion box 41 through the combustion material feeding port 43. A servo motor 73 is installed at the end of the secondary feeding pipe 74. The secondary feeding pipe 74 is connected to the primary feeding pipe 72 through a vertical pipe. The primary feeding pipe 72 is connected to the combustion material box 71 through a vertical pipe. Servo motors 73 are installed at the ends of the primary feeding pipe 72 and the secondary feeding pipe 74. Spiral blades are rotatably arranged in the primary feeding pipe 72 and the secondary feeding pipe 74. The output shaft of the servo motor 73 is fixedly connected to the spiral blades, and the particulate combustion material in the combustion material box 71 is automatically fed into the bucket-shaped combustion box 41 through the primary feeding pipe 72 and the secondary feeding pipe 74.
[0037] Working principle: The furnace 4 is automatically fed with combustible particulate matter through the secondary feeding structure 7, and the air inlet and outlet structure 6 simultaneously delivers clean air to the hot air sandwich channel 11 and the furnace 4. The furnace 4 burns the particulate matter, and the heat generated heats the air in the hot air sandwich channel 11 and delivers it to the room to increase the room temperature. At the same time, the smoke generated by the combustion passes through the smoke sandwich channel 12 and is sucked out of the room by the air inlet and outlet structure 6;
[0038] The main part of the air inlet and outlet structure 6 is arranged outdoors to reduce indoor noise pollution;
[0039] Automatic loading ensures sustainable combustion and keeps the indoor temperature within a stable range.
[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A silent fireplace that places a noise source outdoors to shield the fire, comprising: A fireplace box (1), wherein a furnace (4) is arranged in the fireplace box (1), characterized in that: the fireplace box (1) is connected to an air inlet and outlet structure (6) and a secondary feeding structure (7), and the air inlet and outlet structure (6) is arranged on an outdoor wall; The fireplace box (1) is provided with a hot air interlayer channel (11) and a smoke interlayer channel (12); a smoke discharge hole (13) connected to the smoke interlayer channel (12) is provided on the upper part of the interlayer plate of the fireplace box (1); and the smoke interlayer channel (12) is connected to the air inlet and outlet structure (6); The hot air interlayer channel (11) is connected to the air inlet and outlet structure (6), and the air inlet and outlet structure (6) includes an air inlet duct (62) that runs through the fireplace box (1), and the part of the air inlet duct (62) located in the hot air interlayer channel (11) is provided with an air hole (631), and the outlet of the air inlet duct (62) is located in the lower channel (42) of the furnace (4); A U-shaped air outlet pipe (63) is provided in the air inlet pipe (62), one end of the U-shaped air outlet pipe (63) penetrates the pipe wall of the air inlet pipe (62) to be connected to the smoke interlayer channel (12), and the other end of the U-shaped air outlet pipe (63) located outdoors penetrates the pipe wall of the air inlet pipe (62) to be connected to the exhaust fan (65).
2. A silent fireplace according to claim 1, wherein the noise source is placed outdoors to block the firelight, characterized in that: The fireplace box (1) is provided with a door cover (2).
3. The silent fireplace according to claim 1, wherein the noise source is placed outdoors to block the firelight, characterized in that: A bucket-shaped combustion box (41) is provided in the middle of the furnace (4), a combustion material feeding port (43) is provided on the box wall of the bucket-shaped combustion box (41), and the combustion material feeding port (43) is connected to the secondary feeding structure (7).
4. A silent fireplace with a noise source placed outdoors to block firelight according to claim 3, characterized in that: The bottom of the bucket-shaped combustion box (41) is provided with a plurality of strip-shaped filter holes, and the furnace (4) is provided with a lower channel (42) below the bucket-shaped combustion box (41), and the lower channel (42) is connected to the air inlet and outlet structure (6).
5. The silent fireplace according to claim 1, wherein the noise source is placed outdoors to block the firelight, characterized in that: A portion of the hot air interlayer channel (11) is arranged at the rear side of the smoke interlayer channel (12), and another portion is arranged directly above the furnace (4), and an air outlet flap (5) is provided at the outlet of the hot air interlayer channel (11).
6. The silent fireplace according to claim 1, wherein the noise source is placed outdoors to block the firelight, characterized in that: The secondary feeding structure (7) comprises a secondary feeding pipe (74), the secondary feeding pipe (74) passes through the fireplace box (1) and is connected to the bucket-shaped combustion box (41) through the combustion material feeding port (43), a servo motor (73) is installed at the end of the secondary feeding pipe (74), the secondary feeding pipe (74) is connected to the primary feeding pipe (72) through a vertical pipe, the primary feeding pipe (72) is connected to the combustion material box (71) through the vertical pipe, the ends of the primary feeding pipe (72) and the secondary feeding pipe (74) are both installed with servo motors (73), spiral blades are rotatably arranged in the primary feeding pipe (72) and the secondary feeding pipe (74), and the output shaft of the servo motor (73) is fixedly connected to the spiral blades.