CN210345462U - Furnace end and furnace end subassembly and gas-cooker - Google Patents
Furnace end and furnace end subassembly and gas-cooker Download PDFInfo
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- CN210345462U CN210345462U CN201920286095.6U CN201920286095U CN210345462U CN 210345462 U CN210345462 U CN 210345462U CN 201920286095 U CN201920286095 U CN 201920286095U CN 210345462 U CN210345462 U CN 210345462U
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- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
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Abstract
The utility model provides a furnace end and furnace end subassembly and gas-cooker, at least some are provided with heat recovery portion on the furnace end, and heat recovery portion includes: the furnace end comprises an isolation layer coated outside the furnace end body and a cold end arranged at the part of the isolation layer contacted with air. Directly cancelled the hot junction in this application, directly used heat-generating body (furnace end) as the hot junction, merged the back with heat-generating body and hot junction, and thermal transfer path is this moment: heat-generating body (furnace end) → isolation layer → cold junction, foretell mode makes transfer path shorten to transmit heat energy faster, more direct, the hot junction is higher than traditional hot junction temperature this moment, and the hot junction is bigger with the temperature difference of cold junction, and heat energy transformation becomes the electric energy more. In addition, the heat energy of the furnace end when the gas stove works is selectively utilized to be converted into the electric energy, so that the temperature of the furnace end when the gas stove works can be effectively reduced, and the energy efficiency and other performances of the gas stove can be effectively improved.
Description
Technical Field
The utility model relates to a combustor technical field, concretely relates to higher combustor of combustion efficiency and gas-cooker that contains it.
Background
When the gas stove is used, a large amount of heat generated by combustion of gas is dissipated into the atmosphere except for heating the pot body, and the heat is wasted in vain for the most part and is also lost to the gas. In order to improve the heat energy utilization rate of the fuel gas, the prior art is often improved by two aspects: firstly, the heat absorption efficiency of the gas stove is improved, so that as little heat as possible is emitted to the outside, and more heat is used for improving the temperature; and secondly, recycling the heat dissipated outside the gas stove.
In the prior art, due to the limitation of the space of the gas stove and the kitchen, the energy recovery device which can be arranged outside the gas stove is less, so that the second heat recovery mode is difficult to adopt. Therefore, it is required to improve the heat absorption efficiency of the gas range itself as much as possible.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the pan among the prior art to the heat absorption efficiency not high, cause the heat that the gas produced to take place extravagant defect.
Therefore, the utility model provides a furnace end, at least some is provided with heat recovery portion on it, heat recovery portion includes: the furnace end comprises an isolation layer coated outside the furnace end body and a cold end arranged at the part of the isolation layer contacted with air.
The utility model discloses in, the cold junction is the cladding a plurality of metal sheets in the isolation layer outside. The isolation layer is a heat insulation layer.
The utility model discloses in, the furnace end body the isolation layer with the cold junction forms thermoelectric conversion module, thermoelectric conversion module is used for exporting electric energy. The thermoelectric conversion module is electrically connected with the rechargeable battery.
The utility model discloses in, heat recovery portion sets up and drawing a tub position.
The utility model provides a furnace end subassembly simultaneously, include the utility model provides a furnace end.
The utility model discloses provide a gas-cooker simultaneously, including at least one the utility model provides a furnace end.
The utility model provides a gas-cooker is still including dismantling the setting and be in fire lid on the furnace end, and set up the furnace end is kept away from the nozzle of fire lid one side, the nozzle is used for spouting into the gas inside the furnace end.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a furnace end, at least some is provided with heat recovery portion on it, and heat recovery portion includes: the furnace end comprises an isolation layer coated outside the furnace end body and a cold end arranged at the part of the isolation layer contacted with air.
In the prior art, the heat transfer path is as follows: heating element → hot junction → isolation layer → cold junction, heating element is equivalent to the furnace end of this application, and the hot junction often adopts the metal sheet. And directly cancelled the hot junction in this application, directly regard heat-generating body (furnace end) as the hot junction to use, merge the back with heat-generating body and hot junction, thermal transfer path is this moment: heat-generating body (furnace end) → isolation layer → cold junction, foretell mode makes transfer path shorten to transmit heat energy faster, more direct, this moment "hot junction" is higher than traditional "hot junction" temperature, and the hot junction is bigger with the temperature difference of cold junction, and heat energy conversion is more into the electric energy. In addition, the heat energy of the furnace end when the gas stove works is selectively utilized to be converted into the electric energy, so that the temperature of the furnace end when the gas stove works can be effectively reduced, and the energy efficiency and other performances of the gas stove can be effectively improved.
2. The utility model provides a furnace end, the furnace end body the isolation layer with the cold junction forms thermoelectric conversion module, thermoelectric conversion module is used for exporting electric energy.
According to the seebeck principle, U ═ epsilon (T1-T2), where T1 is the temperature of the hot end (burner), T2 is the temperature of the cold end, U is the potential difference, and epsilon is the seebeck coefficient.
The utility model discloses in, compare with the scheme among the prior art, the temperature of temperature T1 of hot junction is higher for potential difference U is bigger, ensures to export more electric energy. In this application, hot junction adds the isolation layer and adds the cold junction and form new hot junction conversion module, through setting up new thermoelectric conversion module, can absorb the heat that more flame burning produced, accomplish absorbing the back and convert more electric energy into at more heat to the thermal high-efficient absorption and the utilization of gas production have been realized.
3. The utility model provides a furnace end, cold junction are the cladding a plurality of metal sheets in the isolation layer outside. The thermoelectric conversion module is formed into a plurality of batteries by arranging a plurality of metal plates, and the plurality of batteries are arranged in parallel with each other. Thereby converting more heat into electrical energy.
4. The utility model provides a furnace end, electricity is connected between thermoelectric conversion module and the rechargeable battery. Through thermoelectric conversion module, the heat that will collect is converted into the electric energy and is used for charging to realize the high-efficient utilization to the gas heat.
5. The utility model provides a furnace end, isolation layer are thermal-insulated insulating layer, and thermal-insulated purpose is in order to ensure that thermoelectric conversion module both ends have certain temperature difference, and then ensure the stability of output potential.
6. The utility model discloses provide a gas-cooker simultaneously, adopt the furnace end that this application provided, the outside coated isolation layer of furnace end, and set up the cold junction at the position that isolation layer and air contacted.
After the furnace end receives the heat of flame, foretell mode makes the heat shorten at the inside transfer path of furnace end to with heat energy transfer faster, more direct, the heat that the furnace end produced after flame burning has most meeting to be used in on the furnace end this moment, thereby makes the temperature of furnace end higher, and then has improved the heat utilization efficiency of furnace end. The collected heat is then converted to electrical energy and used for charging by a thermoelectric conversion module. When obtaining higher electric quantity, reduce the temperature of furnace end effectively, after the furnace end temperature reduces, when the gas when the furnace end is inside, reduce drawing the intraduct resistance that receives of efflux, the velocity of flow increases, and the gas is fine with the mixed effect of air, and the burning is more complete to combustor wholeness can have been promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of the furnace end assembly provided by the present invention;
fig. 2 is a cross-sectional view of the burner assembly provided by the present invention at the position of the injection pipe;
fig. 3 is an enlarged view of the heat recovery unit (K) according to the present invention.
Description of reference numerals:
1-furnace end; 2-an isolating layer; 3-cold end.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The utility model provides a furnace end, at least some is provided with heat recovery portion on it, as shown in regional K in fig. 2, heat recovery portion includes: as shown in fig. 3, a separating layer 2 is coated on the outside of the burner 1, and a cold end 3 is disposed at a portion where the separating layer contacts with air.
In the prior art, the heat transfer path is as follows: heating element → hot junction → isolation layer → cold junction, heating element is equivalent to the furnace end in this embodiment, and the hot junction often adopts the metal sheet. And directly cancelled the hot junction in this application, directly regard heat-generating body (furnace end body) directly as the hot junction to use, merge the back with heat-generating body and hot junction, thermal transfer path is this moment: heat-generating body (furnace end body) → isolation layer → cold junction, foretell mode makes transfer path shorten to transmit heat energy faster, more direct, the hot junction is higher than traditional hot junction temperature this moment, and the hot junction is bigger with the temperature difference of cold junction, and heat energy transformation becomes the electric energy more.
In this embodiment, because furnace end self adopts metal material, make like materials such as cast iron, aluminum alloy or stainless steel, the conduction of heat energy when furnace end self receives gas combustion simultaneously, the temperature is higher, consequently can directly be used for using as the hot junction.
In this embodiment, the furnace end body, the isolation layer and the cold junction form a thermoelectric conversion module, and the thermoelectric conversion module is used for outputting electric energy. The thermoelectric conversion module and the rechargeable battery are connected in series. In addition, because the hot end is higher in temperature than the traditional hot end, the temperature of the furnace end of the gas stove during working can be effectively reduced by converting the heat energy of the furnace end of the gas stove during working into electric energy, and the energy efficiency and other performances of the gas stove can be effectively improved.
In the prior art, the burner is a part with longer gas retention time, and the gas is heated by the high-temperature burner in the flowing process to cause the combustion performance of the gas stove to be reduced, which is mainly represented as follows: 1. the gas temperature is increased, the combustion speed is accelerated, and thermal tempering, detonation and the like are easy to form; 2. the gas temperature is increased, the channel resistance is increased, the air supplement amount is reduced, and incomplete combustion, yellow flame and the like are easily formed; 3. the gas temperature is increased, the channel resistance is increased, the flow speed is reduced, the power is reduced, and compared with the normal temperature, the thermal power is reduced by about 10-20%.
In this embodiment, through adopting neotype thermoelectric conversion module, can effectively reduce the temperature of gas-cooker during operation furnace end, and then improve the combustion performance of gas-cooker, avoid the emergence of above-mentioned bad condition of burning.
According to the seebeck principle, U ═ epsilon (T1-T2), where T1 is the temperature of the hot end (burner), T2 is the temperature of the cold end, U is the potential difference, and epsilon is the seebeck coefficient. Compared with the scheme in the prior art, the temperature T1 at the hot end is higher, so that the potential difference U is larger, and more electric energy can be output. In this embodiment, hot junction + isolation layer + cold junction forms new hot junction conversion module, through setting up new thermoelectric conversion module, can absorb the heat that more flame burning produced, and the completion of absorbing at more heats is followed and more electric energy of conversion to the thermal high-efficient absorption and the utilization of gas production have been realized.
In this embodiment, the cold end is a plurality of metal plates coated on the outer side of the isolation layer, and a plurality of metal plates are arranged, so that the thermoelectric conversion module forms a plurality of batteries, and the plurality of batteries are connected in parallel with each other. Thereby converting more heat into electrical energy. Specifically, since the separator itself has adhesiveness, it is possible to directly bond the plurality of metal plates to the separator.
In this embodiment, the isolation layer is a thermal insulation layer, and the purpose of thermal insulation is to ensure that a certain temperature difference exists between two ends of the thermoelectric conversion module, thereby ensuring the stability of the output potential. Specifically, the isolation layer is made of ABS plastic.
In this example, in order to find the most suitable location for heat recovery, first, temperature rise measurements were performed on a plurality of locations of the gas cooker, and the room temperature was set to 22 degrees at the time of measurement. The measurement results of some of the measurement points are given in table 1. It can be known through the data that provide in table 1 that the programming rate of the play that draws the ejector tube that is located the furnace end is the fastest, draws the temperature that the ejector tube also can be higher than the temperature of other positions after 80 minutes simultaneously, consequently draws the heat on the ejector tube for make full use of, will draw the ejector tube to set up to heat recovery portion.
TABLE 1 variation of different measurement points with temperature over time
Meanwhile, as a modification, the heat recovery part may be disposed at any position of the burner, such as an air pipe joint, a battery position, etc., and the specific position may be adjusted as needed.
Meanwhile, through measurement, after the furnace end provided by the embodiment is adopted, compared with the traditional furnace end, the temperature of the hot end can be increased by 5-12 ℃, and specifically the temperature can be changed according to different positions of the furnace end. And through measurement, compared with the traditional furnace end, the potential difference of the furnace end provided by the embodiment is increased by about 1.3V. Therefore, the burner provided by the embodiment has a better thermoelectric conversion effect while ensuring a higher heat absorption effect.
Example 2
The present embodiment provides a burner assembly, comprising at least one burner as provided in embodiment 1.
Example 3
The present embodiment provides a gas stove, as shown in fig. 1, including at least one burner provided in embodiment 1 or a burner assembly provided in embodiment 2. The furnace end comprises an isolation layer coated outside at least one part of area of the furnace end and a cold end arranged at the part of the isolation layer contacted with air. After the furnace end receives the heat of gas, foretell mode makes the heat shorten at the inside transfer path of furnace end, thereby it is faster with the heat energy transfer, it is more direct, the heat that the furnace end produced after flame burning has most meeting to be used in the furnace end this moment, after the furnace end receives the heat of flame, foretell mode makes the heat shorten at the inside transfer path of furnace end, thereby it is faster with the heat energy transfer, it is more direct, the heat that the furnace end produced after flame burning has most meeting to be used in the furnace end this moment, thereby make the temperature of furnace end higher, and then the heat energy utilization efficiency of furnace end has been improved. The collected heat is then converted to electrical energy and used for charging by a thermoelectric conversion module. Absorb more heats, obtain higher electric quantity the time, reduce the temperature of furnace end effectively, after the furnace end temperature reduces, when the gas when the furnace end is inside, reduce drawing intraduct resistance that receives at the jet, the velocity of flow increases, and the gas is fine with the mixed effect of control, and the burning is more complete to promote combustor wholeness ability
The gas-cooker that provides in this embodiment is still including dismantling the setting fire lid on the furnace end, and set up the nozzle of fire lid one side is kept away from to the furnace end, the nozzle is used for spouting into the gas is inside the furnace end.
In the embodiment, a storage battery is arranged in the gas stove, the storage battery is connected with a module electricity conversion module of the stove head, a controller and a battery capacity detection device are arranged in the gas stove, the battery capacity detection device is used for monitoring the residual electric quantity of the storage battery, when the residual electric quantity of the storage battery is too low, the battery capacity detection device sends a signal to the controller, and the controller controls the current generated by the thermoelectric conversion module to be transmitted to the position of the storage battery, so that the storage battery is charged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A burner, characterized in that at least a portion thereof is provided with a heat recovery portion, the heat recovery portion comprising:
the furnace end comprises an isolation layer (2) coated outside the furnace end body and a cold end (3) arranged at the contact part of the isolation layer and air.
2. The burner according to claim 1, wherein the burner body, the insulating layer (2) and the cold end (3) form a thermoelectric conversion module for outputting electrical energy.
3. The burner according to claim 2, characterized in that the cold end (3) is a number of metal plates coated outside the insulating layer (2).
4. The burner of claim 3, wherein the thermoelectric conversion module is electrically connected to a rechargeable battery.
5. The burner of any one of claims 1 to 4, wherein the heat recovery unit is disposed at the injection pipe.
6. The burner according to claim 1, characterized in that the insulating layer (2) is a heat insulating layer.
7. A burner assembly, comprising the burner of any one of claims 1-6.
8. A gas burner comprising at least one burner according to any one of claims 1 to 6 or a burner assembly according to claim 7.
9. The gas range of claim 8, further comprising a fire cover detachably disposed on the burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286095.6U CN210345462U (en) | 2019-03-05 | 2019-03-05 | Furnace end and furnace end subassembly and gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286095.6U CN210345462U (en) | 2019-03-05 | 2019-03-05 | Furnace end and furnace end subassembly and gas-cooker |
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| Publication Number | Publication Date |
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| CN210345462U true CN210345462U (en) | 2020-04-17 |
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| CN201920286095.6U Active CN210345462U (en) | 2019-03-05 | 2019-03-05 | Furnace end and furnace end subassembly and gas-cooker |
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| CN (1) | CN210345462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812810A (en) * | 2019-03-05 | 2019-05-28 | 珠海格力电器股份有限公司 | Furnace end and furnace end subassembly and gas-cooker |
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- 2019-03-05 CN CN201920286095.6U patent/CN210345462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812810A (en) * | 2019-03-05 | 2019-05-28 | 珠海格力电器股份有限公司 | Furnace end and furnace end subassembly and gas-cooker |
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