CN211876378U - Heat exchanger and gas equipment - Google Patents
Heat exchanger and gas equipment Download PDFInfo
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- CN211876378U CN211876378U CN201922206068.6U CN201922206068U CN211876378U CN 211876378 U CN211876378 U CN 211876378U CN 201922206068 U CN201922206068 U CN 201922206068U CN 211876378 U CN211876378 U CN 211876378U
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Abstract
The utility model discloses a heat exchanger and gas equipment, the heat exchanger includes: the box body forms a combustion chamber; the heat exchange assembly is arranged in the box body and is positioned above the combustion chamber; the clamping plates are arranged on the inner side of the box body at intervals, and an air cooling channel is formed between the box body and the clamping plates; the air cooling channel is wound on the periphery of the combustion chamber, and at least one part of the air cooling channel is positioned on the outer side of the heat exchange assembly. According to the utility model discloses heat exchanger is through setting up heat exchange assembly on the box to set up splint in the box, thereby form the forced air cooling passageway in combustion chamber and heat exchange assembly's periphery, effectively avoid the heat in the box to externally radiate, and then avoid gas equipment's spare part to receive high temperature and damage, reduced the use of coil pipe, simplified the production technology of heat exchanger.
Description
Technical Field
The utility model relates to a water heater technical field, more specifically relates to a heat exchanger and gas equipment.
Background
The heat exchanger of a conventional gas water heater generally includes: the box body and the heat exchange assembly, the heat exchange assembly mainly comprises fins and heat exchange tubes penetrating the fins, wherein the box body is made of oxygen-free copper materials usually.
In order to cool the outer surface of the box body and avoid the heat radiating outwards to damage parts, the current scheme has the following two types: firstly, the outside of box is usually around establishing the coil pipe, reduces box surface temperature through the coil pipe, and the coil pipe technology is complicated, and is with high costs, and the comdenstion water easily appears in coil pipe department, and at the adverse circumstances of service environment, the coil pipe also takes place the frost crack easily and corrodes perforation scheduling problem. (ii) a Secondly, set up thermal-insulated cotton at the inboard of box, but thermal-insulated cotton thickness and leakproofness all can influence thermal-insulated effect, and the price is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem to a certain extent at least.
Therefore, the utility model provides a heat exchanger, this heat exchanger has reduced the use of coil pipe, forms the forced air cooling passageway through the outside at heat exchange assemblies and separates the heat in the box to the external radiation, has simplified the production technology of heat exchanger.
The utility model discloses still provide a combustion apparatus with heat exchanger, this combustion apparatus's production simple process, long service life.
According to utility model embodiment's heat exchanger includes: the box body forms a combustion chamber; the heat exchange assembly is arranged in the box body and is positioned above the combustion chamber; the clamping plates are arranged on the inner side of the box body at intervals, and an air cooling channel is formed between the box body and the clamping plates; the air cooling channel is wound on the periphery of the combustion chamber, and at least one part of the air cooling channel is positioned on the outer side of the heat exchange assembly.
According to the utility model discloses heat exchanger is through setting up heat exchange assembly on the box to set up splint in the box, thereby form the forced air cooling passageway in combustion chamber and heat exchange assembly's periphery, effectively avoid the heat in the box to externally radiate, and then avoid gas equipment's spare part to receive high temperature and damage, reduced the use of coil pipe, simplified the production technology of heat exchanger.
In addition, according to the utility model discloses heat exchanger, can also have following additional technical characterstic:
the utility model discloses an in some embodiments, form the breach of two relative settings on the box, heat exchange assemblies's both ends card respectively is located in the breach.
In an optional embodiment, the heat exchange assembly comprises: the first mounting plate and the second mounting plate are respectively clamped in the notch; a fin located between the first mounting plate and the second mounting plate; the heat exchange tube penetrates through the first mounting plate, the fins and the second mounting plate.
In an optional embodiment, the box body is a square box body which is symmetrically arranged.
In a further optional embodiment, the box body comprises a front side plate, a right side plate, a rear side plate and a left side plate which are connected in sequence, and the upper ends of the front side plate and the rear side plate exceed the upper ends of the left side plate and the right side plate.
In a further optional embodiment, the box body comprises a front side plate, a right side plate, a rear side plate and a left side plate which are connected in sequence, and the front side plate, the right side plate, the rear side plate and the left side plate are formed in a split manner.
In an alternative example, each side air cooling channel of the box body is communicated with each other.
In an optional embodiment, the box body is provided with a reinforcing rib protruding outwards.
In an alternative embodiment, one of the box and the clamp plate is a steel plate.
According to the utility model discloses gas equipment includes: the heat exchanger of the above embodiment further comprises a bottom plate, the bottom plate is connected to the bottom of the box body, and the bottom plate is provided with an air inlet; the fan is arranged on the bottom plate, and an air outlet of the fan is communicated with the air inlet; the combustor is arranged in the box body and is positioned below the combustion chamber.
Because according to the utility model discloses gas equipment's heat exchanger is through setting up heat exchange assembly on the box to set up splint in the box, thereby form the forced air cooling passageway in combustion chamber and heat exchange assembly's periphery, effectively avoid the heat in the box to externally radiate, and then avoid gas equipment's spare part to receive high temperature and damage, reduced the use of coil pipe, simplified the production technology of heat exchanger. Therefore, according to the utility model discloses gas equipment's production simple process, long service life.
In addition, according to the utility model discloses gas equipment, can also have following additional technical characterstic:
in some embodiments of the present invention, the lower side of the clamping plate is provided with an air inlet, the upper side of the clamping plate is provided with an air outlet, and the air inlet is located below the combustion surface of the burner.
In an optional embodiment, the number of the air outlet holes comprises a plurality of air outlet holes, and the air outlet holes are distributed on different heights of the clamping plate.
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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a gas appliance according to some embodiments of the present invention;
FIG. 2 is an angled cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a cross-sectional view at another angle from FIG. 1;
FIG. 5 is an enlarged view of FIG. 4 at B;
fig. 6 is a schematic view of an angled configuration of a housing according to some embodiments of the present invention;
fig. 7 is a perspective view of a heat exchange assembly according to some embodiments of the present invention;
fig. 8 is a schematic view of another angle of the housing according to some embodiments of the present invention.
Reference numerals:
a gas appliance 100;
a heat exchanger 10; a case 11; a front side plate 111; a right side plate 112; a rear side panel 113; a left side plate 114; a combustion chamber 115; a heat exchange assembly 12; a first mounting plate 121; a second mounting plate 122; a fin 123; a heat exchange pipe 124; a clamp plate 13; an air inlet hole 131; an air outlet 132; a notch 14; a reinforcing rib 16; a bottom plate 17; an air inlet 171;
a smoke collection cover 20;
air-cooled channel 30.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring now to fig. 1-8, a heat exchanger 10 according to an embodiment of the present invention is described, the heat exchanger 10 comprising: a box body 11, a clamping plate 13 and a heat exchange assembly 12.
Specifically, as shown in fig. 2 and 3, and as shown in fig. 4 and 5, the casing 11 forms a combustion chamber 115, and the heat exchange assembly 12 is disposed in the casing 11 and above the combustion chamber 115. It can be understood that the mixed gas of air and fuel gas is fully combusted in the combustion chamber 115, and the generated high-temperature flue gas flows to the heat exchange assembly 12, so as to heat the heat exchange assembly 12.
In this embodiment, the box 11 provides a combustion space and a receiving space for the heat exchange assembly 12, and compared to the existing gas appliance 100 in which the heat exchange assembly 12 is disposed outside the box 11, the length of the heat exchanger 10 in the longitudinal direction (e.g., the vertical direction of the gas appliance 100 in fig. 1) is shortened as a whole, so that the volume of the gas appliance 100 is reduced, and the gas appliance 100 is smaller and more compact and refined.
In order to cool the box body 11 and prevent heat in the box body 11 from radiating to the outside, a clamping plate 13 is arranged on the inner side of the box body 11, and the clamping plate 13 is arranged at a distance from the inner wall of the box body 11, so that an air cooling channel 30 is formed between the box body 11 and the clamping plate 13.
Air-cooled passageway 30 is around establishing the periphery at combustion chamber 115, and like this, splint 13 on the one hand can the transmission of separation heat to the outside, and the cold air in the air-cooled passageway 30 can take away the heat of box 11 to avoid box 11 to the transmission heat outward, and then avoid gas equipment 100's spare part to receive high temperature damage.
In this embodiment, at least a portion of the air-cooled channels 30 are located outside of the heat exchange assembly 12. That is, the air-cooled channels 30 extend to the heat exchange area where the heat exchange assembly 12 is located, in other words, as shown in fig. 4 and fig. 5, at least a part of the clamping plate 13 is disposed opposite to the heat exchange assembly 12, so that the air-cooled channels 30 can be formed on the outer circumference of the heat exchange assembly 12.
That is to say, the air cooling channel 30 can cool down the combustion chamber and the heat exchange assembly 12 at the same time, thereby effectively avoiding the heat inside the box body 11 from radiating to the outside.
In short, according to the utility model discloses heat exchanger 10 is through setting up heat exchange assembly 12 on box 11 to set up splint 13 in box 11, thereby form forced air cooling passageway 30 in combustion chamber 115 and heat exchange assembly 12's periphery, effectively avoid the heat in the box 11 to radiate to the outside, and then avoid gas equipment 100's spare part to receive high temperature and damage, reduced the use of coil pipe, simplified heat exchanger 10's production technology.
In some embodiments of the present invention, as shown in fig. 1 and fig. 6, two notches 14 are formed on the box 11, and two ends of the heat exchange assembly 12 are respectively clamped in the notches 14. That is, the heat exchange assembly 12 is assembled on the box body 11, and both ends of the heat exchange assembly 12 are connected with the box body 11 to form a whole, so that the heat exchange assembly 12 is arranged in the box body 11. In the strong drum type gas appliance 100, in order to ensure the sealing performance of the box body 11, the two ends of the heat exchange assembly 12 are the same as the shape and size of the notch 14, that is, the two ends of the heat exchange assembly 12 realize the function of sealing the notch 14.
In an alternative embodiment, as shown in fig. 7 in conjunction with fig. 1, the heat exchange assembly 12 includes: a first mounting plate 121, a second mounting plate 122, fins 123, and heat exchange tubes 124.
The first mounting plate 121 and the second mounting plate 122 are respectively clamped in the notch 14. The fins 123 are located between the first mounting plate 121 and the second mounting plate 122, and the heat exchange tubes 124 penetrate through the first mounting plate 121, the fins 123 and the second mounting plate 122. That is, the first mounting plate 121 and the second mounting plate 122 function as a connecting fin 123 and the case 11. The heat exchange tube 124 comprises an inner part penetrating the fin 123 and a part exposed out of the fin 123, a water inlet section of the heat exchange tube 124 can be positioned on one side of the first mounting plate 121, and a water outlet section of the heat exchange tube 124 can be positioned on the other side of the second mounting plate 122. The heat exchange pipe 124 is not wound on the case 11 and the manufacturing process of the heat exchange assembly 12 becomes simpler.
In an alternative embodiment, the box 11 is a square box 11 arranged symmetrically. In other words, the housing 11 has a front-rear and left-right symmetrical housing 11 structure. Thus, the front and rear side plates 153 of the case 11 have the same configuration, and the left and right side plates 152 of the case 11 have the same configuration.
In a further alternative embodiment, as shown in fig. 1 and fig. 6, the box 11 includes a front plate 151, a right plate 152, a rear plate 153 and a left plate 154 connected in sequence, and the upper ends of the front plate 151 and the rear plate 153 exceed the upper ends of the left plate 154 and the right plate 152. Therefore, a left notch 14 is formed on the left side of the box body 11, a right notch 14 is formed on the right side of the box body 11, the shape and structure of the left notch 14 and the shape and structure of the right notch 14 are matched with the shape and structure of the left end and the right end of the heat exchange component 12, wherein the heat exchange component 12 can be connected to the box body 11 in a welding or screw locking mode.
It should be noted that in the description of the present invention, the terms "front", "back", "top", "bottom", "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of description, but do 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 an alternative embodiment, the box 11 includes a front plate 151, a right plate 152, a rear plate 153, and a left plate 154 connected in sequence, and the front plate 151, the right plate 152, the rear plate 153, and the left plate 154 are formed separately. Thereby, the clamping plates 13 are respectively assembled on the box body 11 on each side, and the assembly efficiency is improved.
In a further alternative example, each side of the case 11 is in communication with the air-cooling duct 30. In this way, the air flows in each side air-cooled duct 30 can flow with each other, thereby ensuring that the air flows in all the air-cooled ducts 30 have substantially the same temperature.
In an alternative embodiment, as shown in fig. 1 and 8, the box 11 is provided with outwardly projecting ribs 16. The shape of the reinforcing rib 16 can be oblong, square or other irregular shapes, and the reinforcing rib 16 arranged on the box body 11 can prevent the box body 11 from deforming under high temperature conditions, so that the structural stability of the box body 11 is improved.
Optionally, compare in the case 11 of current heat exchanger 10 and use oxygen-free copper, the utility model discloses one of them of box 11 and splint 13 in the heat exchanger 10 of embodiment is the steel sheet, and the plasticity of steel sheet is strong, and like this, the connection technology between box 11 and the splint 13 is comparatively simple, and for example, under the condition that box 11 and splint 13 are the steel sheet, adopt local welding to form an organic whole.
Referring now to fig. 1-8, a gas-fired device 100 according to an embodiment of the present invention is described, the gas-fired device 100 including the heat exchanger 10, the fan, and the burner of the above-described embodiment.
Specifically, the heat exchanger 10 includes: the box 11, the clamping plate 13, the heat exchange assembly 12 and the bottom plate 17. The bottom plate 17 is connected to the bottom of the box body 11, as shown in fig. 1 and fig. 6, the box body 11 and the bottom plate 17 form a cavity structure with an open upper end, the upper end of the box body 11 is further provided with a smoke collecting hood 20, and the smoke subjected to heat exchange is discharged through the smoke collecting hood 20.
The heat exchanger 10 includes: a box body 11, a clamping plate 13 and a heat exchange assembly 12. Specifically, as shown in fig. 2 and 3, and as shown in fig. 4 and 5, the casing 11 forms a combustion chamber 115, and the heat exchange assembly 12 is disposed in the casing 11 and above the combustion chamber 115. It can be understood that the mixed gas of air and fuel gas is fully combusted in the combustion chamber 115, and the generated high-temperature flue gas flows to the heat exchange assembly 12, so as to heat the heat exchange assembly 12.
A blower (not shown) is mounted on the bottom plate 17, and an air outlet of the blower is communicated with an air inlet 171 of the bottom plate 17. A burner (not shown) is disposed in the case 11 below the combustion chamber 115. That is, air is supplied into the case 11 by the fan, thereby supplying air to the combustion and air-cooling duct 30 of the burner.
In this embodiment, the box 11 provides a combustion space and a receiving space for the heat exchange assembly 12, and compared to the existing gas appliance 100 in which the heat exchange assembly 12 is disposed outside the box 11, the length of the heat exchanger 10 in the longitudinal direction (e.g., the vertical direction of the gas appliance 100 in fig. 1) is shortened as a whole, so that the volume of the gas appliance 100 is reduced, and the gas appliance 100 is smaller and more compact and refined.
In order to cool the box body 11 and prevent heat in the box body 11 from radiating to the outside, a clamping plate 13 is arranged on the inner side of the box body 11, and the clamping plate 13 is arranged at a distance from the inner wall of the box body 11, so that an air cooling channel 30 is formed between the box body 11 and the clamping plate 13.
Air-cooled passageway 30 is around establishing the periphery at combustion chamber 115, and like this, splint 13 on the one hand can the transmission of separation heat to the outside, and the cold air in the air-cooled passageway 30 can take away the heat of box 11 to avoid box 11 to the transmission heat outward, and then avoid gas equipment 100's spare part to receive high temperature damage.
In this embodiment, at least a portion of the air-cooled channels 30 are located outside of the heat exchange assembly 12. That is, the air-cooled channels 30 extend to the heat exchange area where the heat exchange assembly 12 is located, in other words, as shown in fig. 4 and fig. 5, at least a part of the clamping plate 13 is disposed opposite to the heat exchange assembly 12, so that the air-cooled channels 30 can be formed on the outer circumference of the heat exchange assembly 12.
That is to say, the air cooling channel 30 can cool down the combustion chamber and the heat exchange assembly 12 at the same time, thereby effectively avoiding the heat inside the box body 11 from radiating to the outside.
Because according to the utility model discloses gas equipment 100's heat exchanger 10 is through setting up heat exchange assembly 12 on the box to set up splint 13 in box 11, thereby form forced air cooling passageway 30 in combustion chamber and heat exchange assembly 12's periphery, effectively avoid the heat in the box 11 to radiate to the outside, and then avoid gas equipment 100's spare part to receive high temperature and damage, reduced the use of coil pipe, simplified heat exchanger 10's production technology. Therefore, the gas equipment 100 according to the embodiment of the present invention has a simple production process and a long service life.
In an alternative embodiment, as shown in fig. 2 in combination with fig. 8, the lower side of the clamping plate 13 is provided with air inlet holes 131, the upper side of the clamping plate 13 is provided with air outlet holes 132, and the air inlet holes 131 are positioned below the combustion surface of the burner. Therefore, cold air can be conveyed into the air cooling channel 30, and smoke generated by the burner is prevented from entering the air cooling channel 30.
Utility model people through many times of experiments discover, after the air trickles one section distance in air-cooled passageway 30, air temperature will rise to higher temperature, can't cool off box 11, leads to box 11 local cooling inefficacy, in heat-conducting effect, must lead to box 11 also heated once more of refrigerated part, finally can't realize the refrigerated purpose to box 11.
In an alternative example, the number of the air outlet holes 132 includes a plurality, and the plurality of air outlet holes 132 are distributed on different heights of the clamping plate 13. In this way, with the flow of air in the air cooling channel 30, a plurality of air flows are sprayed into the box body 11 step by step, so that an air film is formed on the inner side of the clamping plate 13, the air film can block hot air from flowing towards the clamping plate 13, and the situation that the box body 11 cannot be air-cooled due to too high temperature rise of the air in the air cooling channel 30 is avoided.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (12)
1. A heat exchanger, comprising:
the box body forms a combustion chamber;
the heat exchange assembly is arranged in the box body and is positioned above the combustion chamber;
the clamping plates are arranged on the inner side of the box body at intervals, and an air cooling channel is formed between the box body and the clamping plates;
the air cooling channel is wound on the periphery of the combustion chamber, and at least one part of the air cooling channel is positioned on the outer side of the heat exchange assembly.
2. The heat exchanger of claim 1, wherein the box body is formed with two oppositely arranged notches, and two ends of the heat exchange assembly are respectively clamped in the notches.
3. The heat exchanger of claim 2, wherein the heat exchange assembly comprises:
the first mounting plate and the second mounting plate are respectively clamped in the notch;
a fin located between the first mounting plate and the second mounting plate;
the heat exchange tube penetrates through the first mounting plate, the fins and the second mounting plate.
4. The heat exchanger of claim 2, wherein the box is a symmetrically disposed square box.
5. The heat exchanger according to claim 4, wherein the box body comprises a front side plate, a right side plate, a rear side plate and a left side plate which are connected in sequence, and the upper ends of the front side plate and the rear side plate exceed the upper ends of the left side plate and the right side plate.
6. The heat exchanger according to claim 4, wherein the case includes a front side plate, a right side plate, a rear side plate, and a left side plate which are connected in sequence, and the front side plate, the right side plate, the rear side plate, and the left side plate are formed separately.
7. The heat exchanger of claim 6, wherein each side of the box is in communication with each other.
8. The heat exchanger of claim 1, wherein the box is provided with outwardly projecting ribs.
9. The heat exchanger of claim 1, wherein one of the box and clamp plate is a steel plate.
10. A gas-fired appliance, comprising:
the heat exchanger of any one of claims 1-9, further comprising a base plate attached to a bottom of the tank, the base plate having an air intake;
the fan is arranged on the bottom plate, and an air outlet of the fan is communicated with the air inlet;
the combustor is arranged in the box body and is positioned below the combustion chamber.
11. The gas appliance according to claim 10, wherein said clamping plate is provided with air inlet holes at its lower side and air outlet holes at its upper side, said air inlet holes being located below the combustion surface of said burner.
12. The gas appliance according to claim 11, wherein said number of air outlet holes comprises a plurality, said plurality of air outlet holes being distributed at different heights of said clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206068.6U CN211876378U (en) | 2019-12-10 | 2019-12-10 | Heat exchanger and gas equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206068.6U CN211876378U (en) | 2019-12-10 | 2019-12-10 | Heat exchanger and gas equipment |
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| Publication Number | Publication Date |
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| CN211876378U true CN211876378U (en) | 2020-11-06 |
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| CN201922206068.6U Active CN211876378U (en) | 2019-12-10 | 2019-12-10 | Heat exchanger and gas equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152279A1 (en) * | 2021-01-15 | 2022-07-21 | 芜湖美的厨卫电器制造有限公司 | Gas apparatus and gas water heater |
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2019
- 2019-12-10 CN CN201922206068.6U patent/CN211876378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152279A1 (en) * | 2021-01-15 | 2022-07-21 | 芜湖美的厨卫电器制造有限公司 | Gas apparatus and gas water heater |
| WO2022152278A1 (en) * | 2021-01-15 | 2022-07-21 | 芜湖美的厨卫电器制造有限公司 | Gas apparatus and gas water heater |
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