TWM525395U - Excess heat power generation structure of gas combustion stove - Google Patents

Description

Waste heat power generation structure of gas cooker

The present invention relates to the field of gas cookers, and in particular to a waste heat power generation structure of a gas cooker.

At present, more and more gas cookers are used in gas cookers to absorb the waste heat of the burner and convert it into electric energy for use in the electric appliances in the gas cooker. In the conventional gas cooker, the burner is used. The heat conduction block that conducts heat to the hot end of the thermoelectric power generation chip is usually located between the inner ring nozzle and the outer ring nozzle of the burner, and the thermoelectric power generation chip is disposed on the side of the burner, so that the heat conduction distance of the heat conduction block is far away. During the conduction of heat to the thermoelectric power generation chip via the thermal block, a large amount of heat is dissipated from the thermal conductive sheet, causing waste, and also lowering the temperature of the hot end of the thermoelectric power generation chip, thereby reducing the power generation efficiency of the thermoelectric power generation chip; Since the flame of the conventional burner is directed upward, the heat conducting block is difficult to be directly heated by the flame of the burner, and the heat absorbed by the heat conduction is limited, so that the hot end of the thermoelectric wafer cannot reach a higher temperature, and the power generation efficiency is low. If the heat conducting block is placed above the gas nozzle to be directly heated by the flame of the burner, the burner will be blocked. Flame, affect cooking results, but also affect the appearance of the gas stove.

In order to solve the above problems, the present invention provides a waste heat power generation structure of a gas cooker with high power generation efficiency and low heat loss.

The present invention provides a waste heat power generation structure of a gas cooker, including a burner and a thermoelectric power generation chip, the burner comprising a cylindrical inner ring nozzle, the hot end of the thermoelectric wafer is in close contact with a heat conducting block, the heat conducting block extending into the inner cavity of the inner ring nozzle; The inner wall is provided with a plurality of side gas nozzles aligned with the heat conducting blocks.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, the heat conducting block includes a connecting portion that is in close contact with the hot end of the thermoelectric power generating chip, and a cylindrical heat absorbing portion disposed above the connecting portion, the side The gas nozzles are located on the side of the heat absorption portion and are evenly distributed circumferentially along the inner wall of the inner ring nozzle.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, the side portion of the heat absorption portion is provided with at least one longitudinal opening.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, the top of the heat absorbing portion is further provided with a heat conductive top cover.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, a heat sink is disposed under the thermoelectric power generation chip, and the top of the heat sink is closely attached to the cold end of the temperature difference power generation chip, and the bottom of the heat sink is provided with a plurality of first Cooling fins.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, one side of the heat sink is further provided with a heat dissipation fan, and the air flow generated by the heat dissipation fan is passed through the gap of each of the first heat dissipation fins.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, one side of the heat sink is connected with a heat dissipation water tank for absorbing heat of the heat sink.

In the waste heat power generation structure of the gas cooker of the present invention, preferably, the outer wall of the heat dissipation water tank is provided with a plurality of second heat dissipation fins.

The beneficial effect of the present invention is that, in the present invention, the inner gas nozzle of the inner ring nozzle is provided with a side gas nozzle aligned with the heat conducting block, and the side gas nozzle can laterally spray the flame to directly heat the inner cavity of the inner ring nozzle. The heat conducting block enables the heat conducting block to absorb more heat, which can increase the temperature of the hot end of the temperature difference power generating chip, thereby improving the power generation efficiency of the temperature difference power generating chip; On the one hand, since the heat conducting block extends into the inner cavity of the inner ring nozzle, it does not block the flame of the main gas nozzle, and the flame of the side gas nozzle can also be used for heating and cooking, thus not affecting the heating and cooking of the burner. The effect does not affect the aesthetic appearance of the gas cooker; at the same time, since the thermoelectric power generation chip is disposed under the burner, the distance from the heat absorption portion of the heat conduction block to the hot end of the thermoelectric power generation chip is shortened, and the loss during heat transfer is reduced, and energy saving and environmental protection are saved. , effectively improving the power generation efficiency of the thermoelectric power generation chip.

[this creation]

10‧‧‧ burner

11‧‧‧ Inner ring nozzle

111‧‧‧ side gas vents

112‧‧‧Main gas vent

12‧‧‧Outer ring nozzle

20‧‧‧ thermoelectric power generation chip

21‧‧‧ radiator

211‧‧‧First heat sink fin

22‧‧‧heating water tank

221‧‧‧Second heat sink fins

23‧‧‧ cooling fan

30‧‧‧thermal block

31‧‧‧Connecting Department

32‧‧‧Heat absorption department

33‧‧‧thermal cover

Figure 1: This is the overall structure of the creation.

Figure 2: is a partial cross-sectional view of the creation.

Fig. 3 is a partial enlarged view of a portion A in Fig. 2.

Figure 4: An exploded view of the creation.

Figure 5: is a half-section of the creation.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings: FIG. 1 to FIG. A waste heat power generation structure for a gas cooktop comprising a burner 10 and a thermoelectric power generation chip 20, the burner 10 including an outer ring nozzle 12 and a cylindrical inner ring nozzle 11, the top of the inner ring nozzle 11 being opened In the heating and cooking main gas nozzle 112, a middle side gas nozzle 111 is opened in a middle portion of the inner ring nozzle 11, and a heat conducting block 30 is disposed in the inner cavity of the inner ring nozzle 11, and the heat conducting block 30 includes a nozzle located at the inner ring. The heat absorbing portion 32 in the inner cavity of the elbow and the connecting portion 31 at the bottom of the heat absorbing portion 32 extend to the flame burning portion of the side gas vent 111. The side gas nozzle 111 can laterally eject a flame to directly heat the heat conducting block 30 disposed in the inner cavity of the inner ring nozzle 11, so that the heat conducting block 30 can absorb a large amount of heat, and the temperature of the hot end of the thermoelectric wafer 20 can be increased. The temperature difference power generation chip 20 can be improved Power generation efficiency; on the other hand, since the side gas nozzle 111 is opened in the middle of the inner wall of the inner ring nozzle 11, the heat conducting block 30 does not need to extend to the main gas nozzle 112 at the top of the inner ring nozzle 11 to absorb heat, and does not block The flame of the main gas nozzle and the flame of the side gas nozzle 111 can also be used for heating and cooking, so that the heating and cooking effects of the burner 10 are not affected, and the appearance of the gas cooker is not affected; The wafer 20 is disposed under the burner 10, shortening the distance between the heat absorbing portion 32 of the heat conducting block 30 and the hot end of the thermoelectric power generating chip 20, reducing the loss during heat transfer, saving energy and environmental protection, and effectively improving the power generation efficiency of the thermoelectric power generation chip 20. .

The output of the thermoelectric power generation chip 20 is typically connected to a rechargeable battery within the gas cooker for powering the electrical devices within the gas cooker, since the thermoelectric power generation chip 20 can absorb the residual heat of the burner 10 for power generation. And the battery is charged, so that there is no need to replace the battery in the use of the gas cooker, energy saving and environmental protection, and convenient use.

In the present embodiment, the heat absorbing portion 32 has a cylindrical shape and is similar in shape and concentric with the inner ring nozzle 11, and the side gas nozzle 111 is located laterally of the heat absorbing portion 32 and evenly distributed along the inner wall of the inner ring nozzle 11 to increase The heat absorbing surface of the heat absorbing portion 32 improves the heat absorbing efficiency of the heat conducting block 30, thereby improving the power generation efficiency of the temperature difference power generating wafer 20. The side of the heat absorbing portion 32 is provided with two openings, which can prevent the heat absorbing portion 32 from being deformed by thermal expansion when heated, and also allow the flame of the side gas nozzle 111 to enter the inner cavity of the heat absorbing portion 32. Further, the heat absorbing surface of the heat absorbing portion 32 is further increased, the heat absorbing efficiency of the heat conducting block 30 is improved, and the power generation efficiency of the temperature difference power generating wafer 20 is further improved.

The top of the heat absorbing portion 32 is fastened with a heat-dissipating top cover 33. The heat-conductive top cover 33 can block the heat absorbing portion 32 on the one hand to make the gas cooker more beautiful. On the other hand, the heat-conductive top cover 33 can also absorb the side gas vent 111. The heat of the flame is conducted to the heat absorbing portion 32, which further increases the heat absorbing surface and improves the power generation efficiency.

A heat sink 21 is disposed under the thermoelectric power generation chip 20. The top of the heat sink 21 is closely attached to the cold end of the thermoelectric power generation chip 20. The bottom of the heat sink 21 is provided with a plurality of first heat dissipation fins. The sheet 211 can absorb and dissipate the heat of the cold end of the thermoelectric power generation chip 20, lower the temperature of the cold end of the thermoelectric power generation chip 20, and increase the temperature difference between the cold end and the hot end, thereby improving the power generation efficiency of the thermoelectric power generation chip 20. A heat dissipating fan 23 is disposed on one side of the heat sink 21, and the airflow generated during the operation of the heat dissipating fan 23 passes through the gap between the first heat dissipating fins 211, thereby improving the heat dissipating efficiency of the heat sink 21, further reducing the temperature of the cold end, and improving Power generation efficiency.

A heat dissipating water tank 22 is further connected to one side of the radiator 21, and the heat dissipating water tank 22 is thermally insulated from the radiator 21, and the cooling water tank 22 is filled with a common cooling liquid such as water, which can absorb the heat of the radiator 21 and further reduce the temperature of the cold end. Improve power generation efficiency. The outer wall of the heat dissipation water tank 22 is provided with a plurality of second heat dissipation fins 221, which can absorb and dissipate the temperature of the heat dissipation water tank 22 and the heat sink 21, improve the temperature difference between the cold end and the hot end, and improve the power generation efficiency of the thermoelectric power generation chip 20.

The beneficial effect of the present invention is that, in the present invention, the inner gas nozzle of the inner ring nozzle is provided with a side gas nozzle aligned with the heat conducting block, and the side gas nozzle can laterally spray the flame to directly heat the inner cavity of the inner ring nozzle. The heat conducting block enables the heat conducting block to absorb more heat, which can increase the temperature of the hot end of the thermoelectric power generating chip, thereby improving the power generation efficiency of the thermoelectric power generating chip; on the other hand, the heat conducting block extends into the inner cavity of the inner ring nozzle Does not block the flame of the main gas nozzle, the flame of the side gas nozzle can also be used for heating and cooking, so it does not affect the heating and cooking effect of the burner, and does not affect the aesthetic appearance of the gas cooker; The thermoelectric power generation chip is disposed under the burner, shortening the distance from the heat absorption portion of the heat conduction block to the hot end of the temperature difference power generation chip, reducing the loss during the heat transfer process, saving energy and environmental protection, and effectively improving the power generation efficiency of the temperature difference power generation chip.

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the present invention, and it is still within the spirit and scope of the present invention to make various changes and modifications to the above embodiments. The technical scope of the protection is created, so the scope of protection of this creation is subject to the definition of the patent application scope attached.

10‧‧‧ burner

11‧‧‧ Inner ring nozzle

111‧‧‧ side gas vents

112‧‧‧Main gas vent

12‧‧‧Outer ring nozzle

20‧‧‧ thermoelectric power generation chip

21‧‧‧ radiator

211‧‧‧First heat sink fin

22‧‧‧heating water tank

221‧‧‧Second heat sink fins

23‧‧‧ cooling fan

31‧‧‧Connecting Department

32‧‧‧Heat absorption department

33‧‧‧thermal cover

Claims (8)

A waste heat power generation structure for a gas cooker, comprising: a burner (10) and a thermoelectric power generation chip (20), wherein the burner (10) comprises a cylindrical inner ring nozzle (11), The hot end of the thermoelectric power generation chip (20) is in close contact with a heat conducting block (30) extending into the inner cavity of the inner ring nozzle (11); the inner wall of the burner (10) is opened There are several side gas vents (111) aligned with the thermally conductive block (30). The waste heat power generation structure of the gas cooker according to the first aspect of the invention, wherein the heat conducting block (30) comprises a connecting portion (31) which is adjacent to a hot end of a thermoelectric power generating chip (20) and is disposed at the a cylindrical heat absorbing portion (32) above the connecting portion (31), the side gas vent (111) is located on the side of the heat absorbing portion (32) and along the inner wall of the inner ring nozzle (11) Uniform distribution. The waste heat power generation structure of the gas cooker according to the second aspect of the invention, wherein the side portion of the heat absorbing portion (32) is provided with at least one opening in the longitudinal direction. The waste heat power generation structure of the gas cooker according to the third aspect of the invention, wherein the heat absorption portion (33) is further provided with a heat-dissipating top cover (33). The waste heat power generation structure of the gas cooker according to claim 1, wherein a heat sink (21) is disposed under the thermoelectric power generation chip (20), and the top of the heat sink (21) is closely attached to the temperature difference. The cold end of the power generating chip (20) is provided with a plurality of first heat dissipating fins (211) at the bottom of the heat sink (21). The waste heat power generation structure of the gas cooker according to the fifth aspect of the invention, wherein the radiator (21) is further provided with a heat dissipation fan (23) on one side thereof, and the airflow generated when the heat dissipation fan (23) operates The gap between each of the first heat dissipation fins (211) passes. The waste heat power generation structure of the gas cooker according to claim 5, wherein a heat dissipating water tank (22) for absorbing heat of the heat sink (21) is further connected to one side of the radiator (21). The waste heat power generation structure of the gas cooker according to the seventh aspect of the invention, wherein the outer wall of the heat dissipation water tank (22) is provided with a plurality of second heat dissipation fins (221).