CN210891875U

CN210891875U - Gas fireplace

Info

Publication number: CN210891875U
Application number: CN201921815264.7U
Authority: CN
Inventors: 谢春光; 夏国平; 麦正辉
Original assignee: GUANGDONG CHANT GROUP Inc
Current assignee: Zhongshan chuang'erte Smart Home Technology Co., Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-30
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a gas fireplace, it includes the main casing body, burner, fan and collection petticoat pipe, the preceding lateral wall of the main casing body is equipped with the venthole, burner includes the combustion chamber inner shell, shielding shell and combustor, have the first heat transfer chamber that is linked together with the venthole between combustion chamber inner shell and the shielding shell, the combustor is located the bottom of combustion chamber inner shell, the air outlet and the first heat transfer chamber of fan are linked together, the setting of collection petticoat pipe is on the lateral wall of shielding shell, the collection petticoat pipe encloses into the collection smoke chamber that is linked together with the inner chamber of combustion chamber inner shell with the shielding shell. Through above-mentioned structure, the produced heat of gas combustion can conduct the air to first heat transfer intracavity via the combustion chamber inner shell to make more heats can get into indoorly, heat utilization ratio when improving indoor heating, first heat transfer chamber still forms one air heat insulating layer, can avoid the high temperature on main casing surface.

Description

Gas fireplace

Technical Field

The utility model relates to a heating equipment field, in particular to gas fireplace.

Background

The fireplace, which is a decorative heating apparatus installed indoors, heats a room by burning fuel, and is used as an interior decoration structure.

At present, for fireplaces, gas is adopted as fuel. When the gas is burnt, the flame of the gas can play a role of decoration, and meanwhile, the generated heat can be directly radiated to the indoor space through the front plate of the fireplace so as to heat the indoor space. However, with the structure, most of heat generated by gas combustion is discharged along with the flue gas, the heat radiated to the indoor is less, the utilization rate of the heat is lower, and therefore the indoor heating efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide the gas fireplace, heat utilization when can improving indoor heating.

The utility model discloses a scheme do: a gas fireplace comprising

The front side wall of the main shell is provided with an air outlet;

the combustion device is arranged in the main shell and comprises a combustion chamber inner shell, an isolating shell and a burner, the combustion chamber inner shell is positioned on the inner side of the isolating shell, a first heat exchange cavity communicated with the air outlet hole is formed between the combustion chamber inner shell and the isolating shell, the burner is positioned at the bottom of the combustion chamber inner shell, a first opening is formed in the front side of the combustion chamber inner shell, and a front plate for closing the first opening is arranged on the main shell;

the air outlet of the fan is communicated with the first heat exchange cavity;

the smoke collecting cover is arranged on the outer side wall of the isolating shell, and the smoke collecting cover and the isolating shell are enclosed into a smoke collecting cavity communicated with the inner cavity of the combustion chamber inner shell.

The scheme has at least one of the following beneficial effects: through above-mentioned structure, the produced some heats of gas combustion can radiate to indoor via the front bezel, and some heats can conduct the air to first heat transfer intracavity via the combustion chamber inner shell to make more heats can get into indoor, heat utilization ratio when improving indoor heating, first heat transfer chamber still forms one air heat insulating layer, can avoid the high temperature on main casing surface.

According to gas fireplace, first heat transfer chamber including being located the first cavity of combustion chamber inner shell rear side, being located the second cavity of combustion chamber inner shell upside and being located the third cavity of both sides about the combustion chamber inner shell, the second cavity with the third cavity all with first cavity is linked together, the air outlet of fan with the bottom of first cavity is linked together, correspond on the main casing body be provided with the venthole that the second cavity linked together and with the venthole that the third cavity linked together.

According to the gas fireplace, set up two guide plates, two in the first cavity the guide plate is arranged in opposite directions.

According to gas fireplace, the guide plate includes first plate section, second plate section and the third plate section that top-down connected in order, first plate section transverse arrangement, the second plate section slope in first plate section, third plate section vertical arrangement, two distance between the second plate section on the guide plate is crescent from bottom to top.

According to gas fireplace, be provided with in the collection petticoat pipe and center on the third heat transfer chamber in collection petticoat pipe, the intercommunication has been seted up on the separation shell first heat transfer chamber with the vent in third heat transfer chamber, the bottom of collection petticoat pipe is provided with the opening guiding gutter forward or down, the rear portion in third heat transfer chamber with the guiding gutter is linked together.

According to gas fireplace, the opening of guiding gutter forward, the bottom of the back wall in collection smoke cavity is provided with slope downwardly extending's baffle.

According to the utility model discloses a gas fireplace, the length of baffle is less than the length in collection smoke chamber.

According to gas fireplace, collection smoke chamber sets up to uncovered down, the top of collection petticoat pipe be provided with the play tuber pipe that collection smoke chamber is linked together.

According to gas fireplace, be provided with the baffling board in the inner chamber of combustion chamber inner shell, the equal butt in rear side and the left and right sides of baffling board the inside wall of combustion chamber inner shell, the top surface of baffling board with form between the inner chamber roof of combustion chamber inner shell with the water conservancy diversion chamber that collection smoke cavity is linked together.

According to the gas fireplace, the baffling board slope in the inner chamber roof of combustion chamber inner shell, so that the front side of baffling board is higher than the rear side of baffling board.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of another perspective of the embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in the sectional view shown in fig. 3;

fig. 5 is another cross-sectional view of an embodiment of the present invention;

fig. 6 is an exploded view of an embodiment of the present invention;

fig. 7 is an exploded view of a combustion apparatus according to an embodiment of the present invention with a burner removed;

fig. 8 is a structural view of a smoke collecting hood in an embodiment of the present invention;

fig. 9 is an exploded view of a smoke collection hood in an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 7, a gas fireplace according to an embodiment of the present invention includes a main housing 100, a combustion apparatus 200, a fan 300, and a smoke collecting hood 400, wherein the combustion apparatus 200 is disposed in the main housing 100.

The front sidewall of the main housing 100 is provided with an air outlet 110, and the main housing 100 is further provided with a front plate 120, wherein the front plate 120 may be a light-permeable glass plate. Of course, the front plate 120 may be made of other materials.

Referring to fig. 3 to 7, the combustion apparatus 200 includes a combustion chamber inner casing 210, a separation casing 220, and a combustor 230, the combustion chamber inner casing 210 being located inside the separation casing 220. The outer sidewall of the inner combustor casing 210 is spaced apart from the inner sidewall of the isolating casing 220 to form a first heat exchange cavity between the inner combustor casing 210 and the isolating casing 220, the burner 230 being located at the bottom of the inner combustor casing 210, and the first heat exchange cavity being communicated with the gas outlet 110.

The front side of the inner casing 210 of the combustion chamber has a first opening 211, and the front plate 120 is located at the first opening 211 to close the first opening 211. A dummy wood 250 is also provided in the inner cavity of the inner casing 210 of the combustion chamber, and the dummy wood 250 is located above the burner 230.

The air outlet of the fan 300 is communicated with the first heat exchange cavity. The smoke collecting cover 400 is arranged on the outer side wall of the isolation shell 220, the smoke collecting cover 400 and the isolation shell 220 enclose a smoke collecting cavity 440 communicated with the inner cavity of the combustion chamber inner shell 210, and an air outlet pipe 500 communicated with the smoke collecting cavity 440 is arranged at the top of the smoke collecting cover 400.

In operation, gas is combusted by the burner 230, flame generated by the combustion passes upwards through the false firewood 250, the simulation effect of the combustion of the false firewood 250 can be seen through the front plate 120, a part of heat generated by the combustion is radiated to the indoor through the front plate 120, and a part of heat is conducted to the air of the first heat exchange cavity through the inner combustion chamber shell 210. When the fan 300 is operated, external air is supplied into the first heat exchange cavity to promote air flow, and hot air in the first heat exchange cavity passes through the air outlet 110 to enter the room to heat the room. The flue gas generated by the combustion enters the smoke collecting cavity 440 and then is discharged through the air outlet pipe 500.

Specifically, the first heat exchange cavity includes a first cavity 241, a second cavity 242, and three cavities 243, the first cavity 241 is located at the rear side of the inner casing 210 of the combustion chamber, the second cavity 242 is located at the upper side of the inner casing 210 of the combustion chamber, the number of the third cavities 243 is two, and the two third cavities 243 are respectively arranged at the left and right sides of the inner casing 210 of the combustion chamber. The second cavity 242 and the third cavity 243 are both communicated with the first cavity 241, and the air outlet of the fan 300 is communicated with the bottom of the first cavity 241. The main housing 100 is correspondingly provided with an air outlet 110 communicated with the second cavity 242 and an air outlet 110 communicated with the third cavity 243, that is, the top of the front side wall of the main housing 100 is provided with the air outlet 110, and the air outlet 110 is communicated with the second cavity 242; air outlet holes 110 are also provided at the left and right sides of the front side wall of the main housing 100, and the air outlet holes 110 communicate with the third chamber 243.

Through above-mentioned structure, first heat transfer chamber can cover rear side, upside and the left and right sides of combustion chamber inner shell 210 to make more heats can conduct the air in the first heat transfer intracavity via combustion chamber inner shell 210, more heats can get into indoorly, heat utilization ratio when improving indoor heating. In addition, the first heat exchange cavity also forms an air heat insulation layer, which can avoid the overhigh temperature of the surface of the main shell 100 and prevent the user from being scalded when touching the main shell 100.

Referring to fig. 3, a space is provided between the top surface of the isolating case 220 and the top surface of the inner cavity of the main housing 100 to form a second heat exchange chamber 130 between the top surface of the isolating case 220 and the top surface of the inner cavity of the main housing 100, and the second chamber 242 and the second heat exchange chamber 130 are both in communication with the air outlet 110 at the top of the front side wall of the main housing 100. In operation, when the high temperature flue gas rises to contact the inner casing 210 of the combustor, the air in the second cavity 242 absorbs more heat, so that the temperature of the air flowing out through the second cavity 242 is higher, part of the heat can be conducted to the air in the second heat exchange cavity 130 through the insulation casing 220, and after the temperature of the air in the second heat exchange cavity 130 rises, the hot air can be exhausted through the air outlet 110. The second heat exchange chamber 130 may also form an air insulation layer to prevent the temperature of the top surface of the main housing 100 from being too high.

Referring to fig. 3, a baffle 260 is disposed in the inner cavity of the inner casing 210, and the rear side and the left and right sides of the baffle 260 are abutted against the inner sidewall of the inner casing 210. The top surface of the baffle 260 is spaced apart from the top wall of the inner chamber of the inner combustion chamber 210 to form a diversion cavity 212 between the top surface of the baffle 260 and the top wall of the inner chamber of the inner combustion chamber 210, the rear portion of the diversion cavity 212 is communicated with the smoke collection cavity 440 through a smoke guide 270, and the smoke guide 270 is located in the first cavity 241.

The baffling board 260 need be walked around in the time of high temperature flue gas rising, and the flow guide cavity 212 is arrived to the front side through baffling board 260, avoids the direct flow of high temperature flue gas to lead chimney 270 to increase the flow time of high temperature flue gas in combustion chamber inner shell 210, so that more heats can be conducted to first heat transfer chamber in, further improve the thermal utilization ratio when indoor heating.

The smoke guiding cylinder 270 may adopt a bellows structure, or a heat sink may be disposed on an outer surface of the smoke guiding cylinder 270, so as to transfer heat on the smoke guiding cylinder 270 to the air in the first cavity 241.

Preferably, the baffle 260 is inclined to the top wall of the inner cavity of the inner casing 210 of the combustor such that the front side of the baffle 260 is higher than the rear side of the baffle 260 to facilitate the flow of the flue gas.

Referring to fig. 5 and 7, two baffles 280 are disposed within the first cavity 241, the two baffles 280 being arranged opposite to each other. Specifically, the baffle 280 includes a first plate segment 281, a second plate segment 282, and a third plate segment 283, which are sequentially connected from top to bottom, wherein the first plate segment 281 is arranged horizontally, the second plate segment 282 is inclined to the first plate segment 281, and the third plate segment 283 is arranged vertically. In the two baffles 280, the distance between the second plate segment 282 of one of the baffles 280 and the second plate segment 282 of the other baffle 280 gradually increases from bottom to top.

When the fan 300 is in operation, the air flowing upwards can be divided and guided by the flow guide plate 280, so that the second cavity 242 and the third cavity 243 have enough air to flow in, and overheating of the air of the second cavity 242 or the third cavity 243 due to insufficient air flow is avoided. The temperature of the air discharged into the room through the air outlet holes 110 is uniform, and the air at some air outlet holes 110 is prevented from being overhigh.

Referring to fig. 3 to 5, a third heat exchange chamber 450 is disposed in the fume collecting hood 400, the third heat exchange chamber 450 surrounds the fume collecting chamber 440, a ventilation opening 221 is formed in the isolating shell 220, the ventilation opening 221 communicates the first chamber 241 with the third heat exchange chamber 450, a diversion trench 460 with a forward opening is disposed at the bottom of the fume collecting hood 400, and the diversion trench 460 communicates with the rear portion of the third heat exchange chamber 450. A guide plate 470 extending obliquely downward is provided at the bottom of the rear wall of the smoke collection chamber 440 such that the guide plate 470 is inclined to the rear wall of the smoke collection chamber 440 and the guide groove 460 is opened toward the guide plate 470. The produced flue gas of burning gets into collection cigarette chamber 440 for collection cigarette case 400's temperature rises, fan 300 is when moving, can blow in the partial air in first cavity 241 into third heat transfer chamber 450, the air heat absorption in the third heat transfer chamber 450 heaies up, hot-air can be discharged via guiding gutter 460, can make hot-air oblique downward flow to indoor through baffle 470, in order to heat indoor, the heat utilization ratio when further improving indoor heating, can cool down collection cigarette case 400 simultaneously.

The length of the guide plate 470 is less than the length of the smoke collection chamber 440. So that part of the air flowing out of the diversion trench 460 can directly flow into the smoke collection cavity 440 to boost the airflow and promote the smoke in the smoke collection cavity 440 to flow upwards and be discharged.

Specifically, referring to fig. 4, 8 and 9, the smoke collecting cover 400 includes a first enclosing plate 410, a second enclosing plate 420 and a top plate 430, the first enclosing plate 410 and the second enclosing plate 420 are vertically arranged, the second enclosing plate 420 is located inside the first enclosing plate 410, and the top plate 430 is located at the top of the first enclosing plate 410 and the second enclosing plate 420. The guide plate 470 is connected to the bottom of the second shroud 420. The inner sidewall of the first enclosure 410 is spaced apart from the outer sidewall of the second enclosure 420 to form a third heat exchange chamber 450 between the first enclosure 410 and the second enclosure 420. The first surrounding panel 410 is provided at upper and lower portions thereof with a first upper flap 411 and a first lower flap 412, respectively, and the second surrounding panel 420 is provided at upper and lower portions thereof with a second upper flap 421 and a second lower flap 422, respectively. Second lower hem 422 is positioned above first lower hem 412 to form a channel 460 between first lower hem 412 and second lower hem 422. The second lower folded edges 422 of the left and right sides of the second enclosing plate 420 are abutted against the inner side wall of the first enclosing plate 410, and a space is formed between the second lower folded edges 422 of the rear side of the second enclosing plate 420 and the inner side wall of the first enclosing plate 410, so that the bottom of the third heat exchange cavity 450 is communicated with the guiding gutter 460.

In some embodiments, channels 460 may also be arranged to open downward.

The smoke collecting cavity 440 is open downwards, smoke flows upwards after entering the smoke collecting cavity 440, negative pressure is formed in the smoke collecting cavity 440, outside air is sucked into the smoke collecting cavity 440 upwards, and rising cold air can enable the smoke to flow upwards so that the smoke can be discharged rapidly and can be diluted.

An electromagnetic valve and a control device are further provided in the main housing 100, and an ignition needle is provided on the burner 230, and the control device controls the operation of the electromagnetic valve and the ignition needle. The control device is provided with a starting key and a wireless communication module. When the ignition device needs to be started, ignition can be started through a starting key of the remote controller or a starting key on the control device, and in order to ensure safety, the electromagnetic valve can be opened only after the starting key is pressed for a long time, so that the danger that the ignition can be realized by a child once pressing the starting key is avoided.

Three temperature probes (not shown in the figure) are also arranged on the gas fireplace and are all electrically connected with the control device. The first temperature probe is arranged at the top of the isolation shell 220 and used for detecting the air temperature at the top of the first cavity 241; the second temperature probe is installed on the smoke collecting hood 400 and is used for detecting the temperature of the smoke entering the smoke collecting hood 400 through the smoke guide tube 270; a support 480 is arranged in the smoke collecting hood 400, a third temperature probe is arranged on the support 480, and the third temperature probe is positioned below the inlet end of the air outlet pipe 500 and used for detecting the temperature of the smoke entering the air outlet pipe 500. When the temperature detected by the temperature probe exceeds a set value, the electromagnetic valve is closed through the control device, the gas supply is cut off, and the flame is temporarily extinguished.

In the above embodiment, the fan 300 specifically adopts a cross-flow fan, which has the characteristics of uniform air outlet and large air outlet area, so as to facilitate the flow diffusion of air. Of course, the blower 300 may also have other structures, for example, the blower 300 may be adopted, and a trumpet-shaped air outlet cover may be installed at the air outlet of the blower 300, so as to facilitate the diffusion of the air flow.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A gas fireplace, characterized in that it comprises

The front side wall of the main shell is provided with an air outlet;

the air outlet of the fan is communicated with the first heat exchange cavity;

2. The gas fireplace as defined in claim 1, wherein the first heat exchange cavity includes a first cavity located at a rear side of the inner casing of the combustion chamber, a second cavity located at an upper side of the inner casing of the combustion chamber, and third cavities located at left and right sides of the inner casing of the combustion chamber, the second cavity and the third cavities are both communicated with the first cavity, the air outlet of the blower is communicated with a bottom of the first cavity, and the main casing is correspondingly provided with an air outlet communicated with the second cavity and an air outlet communicated with the third cavity.

3. A gas fireplace as claimed in claim 2, wherein two baffles are provided within the first cavity, the baffles being arranged in opposition to one another.

4. The gas fireplace of claim 3, wherein the deflector includes a first panel section, a second panel section, and a third panel section connected in sequence from top to bottom, the first panel section is arranged laterally, the second panel section is inclined to the first panel section, the third panel section is arranged vertically, and a distance between the second panel sections on the two deflectors is gradually increased from bottom to top.

5. The gas fireplace as claimed in claim 1, wherein a third heat exchange chamber surrounding the smoke collection chamber is arranged in the smoke collection hood, the partition case is provided with a ventilation opening communicating the first heat exchange chamber with the third heat exchange chamber, the bottom of the smoke collection hood is provided with a diversion trench with an opening facing forwards or downwards, and the rear of the third heat exchange chamber is communicated with the diversion trench.

6. A gas fireplace as claimed in claim 5, wherein the channels open forwardly and the bottom of the rear wall of the smoke collection chamber is provided with a guide plate extending obliquely downwardly.

7. A gas fireplace as claimed in claim 6, wherein the length of the guide plate is less than the length of the smoke collection chamber.

8. A gas fireplace as claimed in claim 1, 5, 6 or 7, wherein the fume collecting chamber is arranged to open downwards, and an air outlet pipe communicated with the fume collecting chamber is arranged at the top of the fume collecting hood.

9. The gas fireplace as claimed in claim 1 or claim 2, wherein a baffle plate is disposed in the inner cavity of the inner combustion chamber shell, the rear side and the left and right sides of the baffle plate are abutted against the inner side wall of the inner combustion chamber shell, and a flow guide cavity communicated with the smoke collection cavity is formed between the top surface of the baffle plate and the top wall of the inner cavity of the inner combustion chamber shell.

10. The gas fireplace of claim 9, wherein the baffle is inclined to the top wall of the interior cavity of the inner combustion chamber shell such that the front side of the baffle is higher than the back side of the baffle.