Stove

Abstract

The utility model provides a kitchen range. The kitchen range comprises a bottom shell, a panel, a liquid containing disc, an injection pipe and a temperature sensing piece used for sensing the temperature of the injection pipe, a mounting cavity with an opening is defined by the bottom shell. The panel covers the opening, and a through hole is formed in the panel; the liquid containing disc is supported on the panel and covers the through hole; the injection pipe penetrates through the liquid containing disc; the temperature sensing part is located in the installation cavity and provided with a temperature sensing face, the orthographic projection of the center of the temperature sensing face towards the plane where the panel is located is located in the through hole, and in the length direction of the panel, a distance X1 is formed between the center of the temperature sensing face and the hole wall of the through hole, and the distance X1 ranges from 40 mm to 90 mm. According to the utility model, on one hand, the temperature of the injection pipe can be sensed through the temperature sensing piece so as to realize the temperature detection of the pot bottom, so that the interference between the temperature sensing piece and the pot is avoided, and the application range of the cooker is expanded; on the other hand, the influence of the heat of the panel on the detection result of the temperature sensing piece is avoided, and the accuracy of the detection result of the temperature sensing piece is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooking equipment technical field, specifically, relate to a kind of stove. BACKGROUND

[0002] With the use rate of gas stove higher and higher, people's requirement for gas stove safety is also higher and higher. Gas stove is usually provided with bottom shell, panel and external temperature sensing probe, the bottom shell is surrounded by installation cavity with opening, the panel covers the opening, the panel is provided with mounting hole, and the external temperature sensing probe is at least partially set in the installation cavity outside through the mounting hole;There are also through holes on the panel of the gas stove, the liquid containing tray covers the through hole, the liquid containing tray is provided with mounting hole, and the external temperature sensing probe is at least partially set in the installation cavity outside through the mounting hole, so that the external temperature sensing probe contacts with the bottom of the pot to detect the bottom temperature of the pot, and when the bottom temperature of the pot exceeds the preset temperature, it will automatically extinguish to protect;At the same time, when the stove is accidentally extinguished and the long fire is not sat on the pot, the gas source can also be cut off in the first time based on the detection result of the external temperature sensing probe, to avoid accidents.

[0003] However, since the external temperature sensing probe needs to contact with the bottom of the pot, in order to avoid interference with the external temperature sensing probe, only flat-bottomed pot can be used for cooking;In addition, the external temperature sensing probe is easily affected by the flame, so that the external temperature sensing probe cannot accurately detect the bottom temperature of the pot, causing the stove to abnormally determine the extinguishing condition;Finally, since the external temperature sensing probe passes through the mounting hole on the panel, the temperature of the panel will affect the detection result of the external temperature sensing probe;In the case of setting the liquid containing tray, since the external temperature sensing probe passes through the mounting hole on the liquid containing tray, the temperature of the liquid containing tray, the temperature of the liquid received by the liquid containing tray and the temperature of the panel transferred to the liquid containing tray will also affect the detection result of the external temperature sensing probe. UTILITY MODEL CONTENTS

[0004] In order to at least partially solve the problems existing in the prior art, according to one aspect of the utility model, a kind of stove is provided, and the technical scheme is as follows.

[0005] The stove includes bottom shell, panel, liquid containing tray, ejector pipe and temperature sensing piece for sensing the temperature of ejector pipe;The bottom shell is surrounded by installation cavity with opening;The panel covers the opening, and the panel is provided with through hole;The liquid containing tray is supported on the panel and covers the through hole;The ejector pipe is arranged in the liquid containing tray;Wherein, the temperature sensing piece is located in the installation cavity, the temperature sensing piece has temperature sensing surface, the center of the temperature sensing surface is located in the through hole in the orthogonal projection of the plane where the panel is located, and in the length direction of the panel, the center of the temperature sensing surface and the hole wall of the through hole have a spacing X1, and the spacing X1 is 40mm-90mm.

[0006] The stove of the utility model, on the one hand, is provided with a temperature sensing piece for sensing the temperature of the ejector pipe, the temperature sensing piece is located in the mounting cavity, since the temperature of the ejector pipe is related to the temperature of the bottom of the pot, the detection of the temperature of the bottom of the pot (i.e. indirect detection of the temperature of the pot) can be realized by sensing the temperature of the ejector pipe, not only the temperature sensing piece is prevented from being affected by the flame, the accuracy of temperature detection is ensured, the interference between the temperature sensing piece and the pot is avoided, thereby the type of the pot placed on the stove is expanded, and the application range of the stove is expanded; on the other hand, the distance X1 between the center of the temperature sensing surface and the hole wall of the through hole is within a predetermined range, the detection result of the temperature sensing piece is prevented from being affected by the heat of the panel, and the accuracy of the detection result of the temperature sensing piece is ensured.

[0007] Exemplarily, the liquid containing disc has a first disc part and a second disc part, the second disc part is lower than the first disc part, the first disc part is closer to the center of the liquid containing disc than the second disc part, and the projection of the temperature sensing surface towards the plane where the first disc part is located falls within the first disc part. In this way, since the second disc part is lower than the first disc part, the liquid on the first disc part can flow to the second disc part, the influence of the temperature of the liquid on the first disc part on the temperature sensing piece is reduced, and the accuracy of the detection result of the temperature sensing piece is further ensured.

[0008] Exemplarily, the through hole has a radius R1, the outer edge of the second disc part is formed on the circumference with the center of the through hole as the center and the radius R2, and R2 < R1. In this way, since the second disc part is lower than the first disc part and the third disc part, the second disc part forms the bottom of the liquid containing disc, the liquid on the first disc part and the third disc part can flow to the second disc part, and R2 < R1 not only ensures that the position of the second disc part can form a liquid containing cavity with sufficient volume, avoids the liquid received by the second disc part from flowing everywhere and affecting other components due to the too small volume of the liquid containing cavity, but also is beneficial to forming a heat dissipation channel between the second disc part and the hole wall of the through hole of the panel, avoids the heat from gathering and affecting the measurement result of the temperature sensing piece, and thus ensures the accuracy of the detection result of the temperature sensing piece.

[0009] Exemplarily, the liquid containing disc further has a third disc part, the third disc part is higher than the second disc part, and the second disc part is connected between the first disc part and the third disc part. In this way, since the second disc part is lower than the first disc part and the third disc part, the second disc part can form the bottom of the liquid containing disc, and the liquid received by the second disc part is prevented from flowing everywhere and affecting other components.

[0010] Exemplarily, the through hole has a radius R1, the third disc part has a disc inner edge and a disc outer edge, the disc inner edge is formed on the circumference with the center of the through hole as the center and the radius R3, the disc outer edge is formed on the circumference with the center of the through hole as the center and the radius R4, and R3 < R1 < R4. In this way, the liquid containing disc can be supported on the panel, and it is beneficial to forming a heat dissipation channel below the third disc part, avoids the heat from gathering and affecting the measurement result of the temperature sensing piece, and thus ensures the accuracy of the detection result of the temperature sensing piece.

[0011] Exemplarily, the temperature sensing surface has a first distance H1 from the lower surface of the first disc part, and the first distance H1 is 5-12 mm. In this way, the first distance H1 is within the range, not only avoiding the temperature of the first disc part or the liquid remaining on the first disc part affecting the detection result of the temperature sensing part due to the first disc part being too close to the temperature sensing surface, but also facilitating the formation of a first cavity between the temperature sensing surface and the lower surface of the first disc part, so that the heat generated by the ejector pipe can be dissipated outward from the first cavity, avoiding the heat being too concentrated to affect the measurement result of the temperature sensing part, thereby ensuring the accuracy of the detection result of the temperature sensing part.

[0012] Exemplarily, the ejector pipe is positioned on the bottom shell through a bracket, the bracket has a plate-shaped body, the temperature sensing surface is arranged on the plate-shaped body, and the upper surface of the plate-shaped body is spaced from the lower surface of the first disc part to form the first cavity. In this way, the heat generated by the ejector pipe is dissipated into the first cavity and outward through the first cavity, so that the heat is not too concentrated to affect the measurement result of the temperature sensing part, thereby ensuring the accuracy of the detection result of the temperature sensing part.

[0013] Exemplarily, the first disc part is formed with a protrusion at a position opposite to the temperature sensing part, and the protrusion protrudes away from the temperature sensing part and is formed with a cavity. In this way, on the one hand, the protrusion protrudes away from the temperature sensing part, not only allowing the liquid remaining on the protrusion to flow to the first disc part and the second disc part, thereby further reducing the influence of the temperature of the remaining liquid on the temperature sensing part, but also being farther away from the temperature sensing surface, thereby avoiding the temperature of the protrusion or the temperature of the small amount of liquid remaining on the protrusion affecting the detection result of the temperature sensing part; on the other hand, the protrusion is formed with a cavity, so that the heat generated by the ejector pipe is dissipated into the cavity and outward through the cavity, thereby avoiding the heat being too concentrated to affect the measurement result of the temperature sensing part, thereby ensuring the accuracy of the detection result of the temperature sensing part; in addition, in the case that the temperature sensing part is fixed by the fastener, the protrusion can also avoid the fastener, thereby avoiding mutual interference.

[0014] Exemplarily, the protrusion has a top wall, and the lower surface of the top wall has a second distance H2 from the lower surface of the first disc part, and the second distance H2 is 4-14 mm. In this way, the second distance H2 is within the range, not only allowing the liquid remaining on the protrusion to flow to the first disc part and the second disc part, thereby further reducing the influence of the temperature of the remaining liquid on the temperature sensing part, but also avoiding the temperature of the protrusion or the temperature of the small amount of liquid remaining on the protrusion affecting the detection result of the temperature sensing part, thereby ensuring the accuracy of the detection result of the temperature sensing part.

[0015] Exemplarily, the upper surface of the plate-shaped body is spaced apart from the lower surface of the second disc part to form a second cavity, and the second cavity is communicated with the first cavity. In this way, after the heat generated by the ejector pipe is dissipated to the first cavity, the heat can be further dissipated outward through the second cavity, so as to avoid that the heat is too concentrated to affect the measurement result of the temperature sensing element, and thus the accuracy of the detection result of the temperature sensing element is ensured.

[0016] Exemplarily, the third distance H3 between the temperature sensing surface and the lower surface of the second disc part is 3mm-8mm. In this way, when the third distance H3 is within this range, the temperature of the second disc part or the temperature of the liquid received by the second disc part does not affect the detection result of the temperature sensing element, so as to ensure the accuracy of the detection result of the temperature sensing element.

[0017] Exemplarily, the third disc part and the panel surround to form a third cavity, and the third cavity is communicated with the second cavity. In this way, the heat dissipated into the second cavity can be further dissipated outward through the third cavity, so that the lower part of the liquid receiving disc can reach thermal equilibrium, thereby avoiding that the heat is too concentrated to affect the measurement result of the temperature sensing element, and thus the accuracy of the detection result of the temperature sensing element is ensured.

[0018] Exemplarily, the temperature sensing surface is in contact with the surface of the support. In this way, since the ejector pipe is positioned by the support, the ejector pipe can be heat-conducted to the support, which is easy to install. Since the temperature of the ejector pipe is related to the temperature of the bottom of the pot, the detection of the temperature of the bottom of the pot (i.e. indirect detection of the temperature of the pot) can be realized by sensing the temperature of the support through the temperature sensing element. Not only the temperature sensing element is prevented from being affected by the flame to ensure the accuracy of the temperature detection, but also the interference between the temperature sensing element and the pot is avoided, so as to expand the types of pots placed on the stove for use and expand the application range of the stove.

[0019] Exemplarily, the through hole has a radius R1 of 60mm-90mm. In this way, when the radius R1 of the through hole is within this range, not only the distance between the center of the temperature sensing surface and the hole wall of the through hole is ensured, but also the temperature of the panel affecting the detection result of the temperature sensing element due to the close distance between the panel and the temperature sensing surface is avoided, and the heat dissipation under the liquid receiving disc is ensured, thereby avoiding that the heat is too concentrated to affect the measurement result of the temperature sensing element, and thus the accuracy of the detection result of the temperature sensing element is ensured.

[0020] A series of simplified forms are introduced in the content of the utility model, which will be further described in detail in the specific embodiment part. The content part of the utility model does not mean to try to limit the key features and necessary technical features of the claimed technical solution, and does not mean to try to determine the protection scope of the claimed technical solution.

[0021] The advantages and features of the utility model will be described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The following drawings for an example embodiment of the utility model are used as a part of the utility model for understanding the utility model. The drawings show the embodiment of the utility model and its description, which are used to explain the principle of the utility model. In the drawings,

[0023] Figure 1 It is the perspective view of the stove of an example embodiment of the utility model;

[0024] Figure 2 It is the sectional view of the stove shown in the figure; Figure 1

[0025] Figure 3 It is the enlarged view of A part in the figure; Figure 2

[0026] Figure 4 It is the front view of the partial stove shown in the figure; Figure 2

[0027] Figure 5 It is the perspective view of the liquid holding tray shown in the figure; Figure 2

[0028] Figure 6 It is the perspective view of the bracket shown in the figure; Figure 2

[0029] Figure 7 It is the perspective view of the temperature sensing piece shown in the figure. Figure 2

[0030] Among them, the above drawings include the following drawing marks:

[0031] 1, stove; 10, bottom shell; 110, installation cavity; 120, opening; 20, panel; 210, through hole; 30, liquid holding tray; 310, first tray part; 311, first hole; 320, second tray part; 321, second hole; 322, outer edge; 330, third tray part; 331, tray inner edge; 332, tray outer edge; 340, liquid holding cavity; 350, first connecting part; 360, second connecting part; 370, protrusion; 371, cavity; 372, top wall; 40, ejector pipe; 410, inner ring ejector pipe; 420, outer ring ejector pipe; 50, temperature sensing piece; 510, temperature sensing surface; 520, sheet part; 530, lead part; 531, probe main body; 532, signal transmission line; 60, bracket; 610, plate-shaped body; 620, supporting leg; 630, surface to be measured; 710, first cavity; 720, second cavity; 730, third cavity. DETAILED DESCRIPTION

[0032] ​​​​​​In the following description, numerous specific details are provided in order to provide a thorough understanding of the present application. One of ordinary skill in the art will realize, however, that the application can be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order not to unnecessarily obscure the present application.

[0033] In order to thoroughly understand the embodiments of the present application, detailed structures will be presented in the following description. Obviously, the implementation of the embodiments of the present application is not limited to the special details familiar to those skilled in the art. The preferred embodiments of the present application are described in detail as follows, however, in addition to these detailed descriptions, the present application can have other embodiments.

[0034] The embodiments of the present application provide a stove, which includes but is not limited to a gas stove or a natural gas stove. Hereinafter, a stove according to the embodiments of the present application will be introduced in detail in combination with the accompanying drawings.

[0035] In combination with the accompanying drawings Figures 1 to 3 , the stove 1 can include a bottom shell 10, a panel 20, a liquid containing tray 30, an ejector pipe 40 and a temperature sensing piece 50 for sensing the temperature of the ejector pipe 40. It should be noted that the sensing mentioned herein can be direct sensing or indirect sensing. When direct sensing, the temperature sensing piece 50 is in contact with the ejector pipe 40; when indirect sensing, the temperature sensing piece 50 is not in contact with the ejector pipe 40, but directly senses the temperature of a connecting piece (such as a bracket 60 mentioned later) in contact with the ejector pipe 40. The bottom shell 10 can enclose a mounting cavity 110 with an opening 120. The panel 20 can cover the opening 120, and the panel 20 can be provided with a through hole 210. The material of the panel 20 can be stainless steel or glass, etc., which is not only convenient for cleaning, but also resistant to liquid corrosion. The liquid containing tray 30 can be supported on the panel 20 and cover the through hole 210. The liquid containing tray 30 and the panel 20 can be connected by pasting, buckling connection or the like. The ejector pipe 40 can be provided in the liquid containing tray 30. The temperature sensing piece 50 can be located in the mounting cavity 110. The temperature sensing piece 50 can have a temperature sensing surface 510. The center of the temperature sensing surface 510 can be located in the through hole 210 in the orthographic projection of the plane where the panel 20 is located, and in the length direction of the panel 20, the center of the temperature sensing surface 510 and the hole wall of the through hole 210 can have a spacing X1, the spacing X1 can be 40mm-90mm, for example, the spacing X1 can be 40mm, 55mm, 70mm, 90mm, the spacing X1 is in a predetermined range, which avoids the influence of the heat of the panel 20 on the detection result of the temperature sensing piece 50, thereby ensuring the accuracy of the detection result of the temperature sensing piece 50. In an embodiment of the present application, the spacing X1 is 70mm, which well ensures the accuracy of the detection result of the temperature sensing piece 50.

[0036] The stove 1 of the utility model, on one hand, is provided with a temperature sensing piece 50 for sensing the temperature of the ejector pipe 40, the temperature sensing piece 50 is located in the mounting cavity 110, since the temperature of the ejector pipe 40 is related to the temperature of the pot bottom, the detection of the pot bottom temperature (that is, the indirect detection of the pot temperature) can be realized by sensing the temperature of the ejector pipe 40 through the temperature sensing piece 50, not only prevents the temperature sensing piece 50 from being affected by the flame, guarantees the temperature detection accuracy, but also avoids the interference between the temperature sensing piece 50 and the pot, thereby expanding the type of pot placed on the stove 1 for use, expanding the application range of the stove 1, on the other hand, the spacing X1 between the center of the temperature sensing surface 510 and the hole wall of the through hole 210 is within a predetermined range, avoiding the heat of the panel 20 from affecting the detection result of the temperature sensing piece 50, thereby guaranteeing the accuracy of the detection result of the temperature sensing piece 50.

[0037] In combination with reference to Figures 2 to 5 The liquid containing tray 30 can have a first tray portion 310 and a second tray portion 320. The second tray portion 320 can be lower than the first tray portion 310. The first tray portion 310 can be closer to the center of the liquid containing tray 30 than the second tray portion 320. A projection of the temperature sensing surface 510 towards the plane on which the first tray portion 310 is located can fall within the first tray portion 310. The liquid containing tray 30 can be made of metal, which is not only convenient to clean, but also resistant to high temperature and liquid corrosion. In this way, since the second tray portion 320 is lower than the first tray portion 310, the liquid on the first tray portion 310 can flow to the second tray portion 320, reducing the influence of the liquid temperature on the first tray portion 310 on the temperature sensing piece 50, and further guaranteeing the accuracy of the detection result of the temperature sensing piece 50.

[0038] Specifically, the injection pipe 40 can include an inner ring injection pipe 410 and an outer ring injection pipe 420. Since the inner ring injection pipe 410 is centrally arranged to facilitate centralized control of the flame, the outer ring injection pipe 420 is arranged away from the center compared with the inner ring injection pipe 410, which helps to expand the combustion range, and therefore the inner ring injection pipe 410 is arranged closer to the center of the liquid pan 30 than the outer ring injection pipe 420. Since the first disc part 310 is arranged close to the center of the liquid pan 30, the inner ring injection pipe 410 can be arranged through the first disc part 310. The first disc part 310 can be provided with a first hole 311, and the inner ring injection pipe 410 can be arranged through the first hole 311. The first disc part 310 is higher than the second disc part 320, and the liquid on the first disc part 310 can flow to the second disc part 320, reducing the liquid on the first disc part 310 from flowing into the lower part of the liquid pan 30 from the position of the first hole 311, thereby affecting the detection of the temperature sensing element 50. To further prevent the liquid from flowing into the lower part of the liquid pan 30 from the position of the first hole 311, a liquid leakage prevention structure such as a flange, a sealing element, etc. can be arranged between the inner ring injection pipe 410 and the first disc part 310. To meet the positional relationship between the inner ring injection pipe 410 and the outer ring injection pipe 420, the outer ring injection pipe 420 can be arranged through the second disc part 320. The second disc part 320 can be provided with a second hole 321, and the outer ring injection pipe 420 can be arranged through the second hole 321. To prevent the liquid from flowing into the lower part of the liquid pan 30 from the position of the second hole 321, a liquid leakage prevention structure such as a flange, a sealing element, etc. can also be arranged between the outer ring injection pipe 420 and the second disc part 320.

[0039] A first connecting part 350 can be arranged between the first disc part 310 and the second disc part 320, and the first connecting part 350 can be arranged obliquely or in an arc shape to better guide the liquid from the first disc part 310 to the second disc part 320.

[0040] Referring to Figure 2 and Figure 3 , the through hole 210 can have a radius R1, and the outer edge 322 of the second disc part 320 can be formed on a circumference with the center of the through hole 210 as the center and a radius R2, R2 < R1. In this way, since the second disc part 320 is lower than the first disc part 310 and the third disc part 330, the second disc part 320 forms the bottom of the liquid pan 30, and the liquid on the first disc part 310 and the third disc part 330 can flow to the second disc part 320. By R2 < R1, not only is it ensured that the position of the second disc part 320 can form a liquid cavity 340 with sufficient volume, avoiding the liquid received from flowing everywhere and affecting other parts due to the volume of the liquid cavity 340 being too small, but it is also beneficial to form a heat dissipation channel between the second disc part 320 and the hole wall of the through hole 210 of the panel 20, avoiding heat accumulation and affecting the measurement results of the temperature sensing element 50, thereby ensuring the accuracy of the detection results of the temperature sensing element 50.

[0041] Again, refer toFigures 2 to 5 The liquid container 30 can further have a third disc part 330, which can be higher than the second disc part 320. The second disc part 320 can be connected between the first disc part 310 and the third disc part 330. In this way, the second disc part 320 is lower than the first disc part 310 and the third disc part 330, and the second disc part 320 forms the bottom of the liquid container 30, avoiding the liquid collected by the second disc part 320 from flowing everywhere and affecting other components. Further, a second connecting part 360 can be arranged between the second disc part 320 and the third disc part 330, and the second connecting part 360 can also be arranged obliquely or in an arc shape, so as to better guide the liquid from the third disc part 330 to the second disc part 320. A liquid container cavity 340 can be formed at the position of the second disc part 320, and the liquid container cavity 340 can collect the liquid splashed during cooking, avoiding the liquid from flowing everywhere and affecting the work of other components.

[0042] Again in combination with reference to Figure 2 and Figure 3 The through hole 210 can have a radius R1, and the third disc part 330 can have a disc inner edge 331 and a disc outer edge 332. The disc inner edge 331 can be formed on a circle with the center of the through hole 210 as the center and a radius R3, and the disc outer edge 332 can be formed on a circle with the center of the through hole 210 as the center and a radius R4, and R3 < R1 < R4. In this way, the liquid container 30 can be supported on the panel 20, and it is also beneficial to form a heat dissipation channel below the third disc part 330, avoiding the heat from being too concentrated to affect the measurement result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50.

[0043] Reference is made to Figure 3 and Figure 6 The first distance H1 between the temperature sensing surface 510 and the lower surface of the first disc part 310 can be 5 mm to 12 mm, for example, the first distance H1 can be 5 mm, 7.5 mm, 10 mm, 12 mm, etc. In this way, the first distance H1 is within this range, not only avoiding the temperature of the first disc part 310 (i.e. the temperature conducted from the ejector pipe 40 to the first disc part 310) or the temperature of the liquid remaining on the first disc part 310 affecting the detection result of the temperature sensing element 50, but also beneficial to form a first cavity 710 between the temperature sensing surface 510 and the lower surface of the first disc part 310, and the heat generated by the ejector pipe 40 can be dissipated outward from the first cavity 710, avoiding the heat from being too concentrated to affect the measurement result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50. In an embodiment of the present application, the first distance H1 is 7.5 mm, which can well ensure the accuracy of the detection result of the temperature sensing element 50.

[0044] Reference is made to Figure 3 , Figure 4 andFigure 6 The ejector pipe 40 can be positioned on the bottom shell 10 through the bracket 60. The bracket 60 can have a plate-shaped body 610. The temperature sensing surface 510 can be arranged on the plate-shaped body 610. The temperature sensing surface 510 can be attached to the plate-shaped body 610, so that the temperature sensing surface 510 can directly detect the heat of the plate-shaped body 610. The temperature sensing surface 510 can also be fixed to the plate-shaped body 610 through a heat conduction member, and the temperature sensing surface 510 can transmit heat through the heat conduction member to detect the heat of the plate-shaped body 610. The temperature sensing surface 510 can be arranged on the lower surface of the plate-shaped body 610. The upper surface of the plate-shaped body 610 and the lower surface of the first disc part 310 can be spaced apart to form a first cavity 710. In this way, the heat generated by the ejector pipe 40 is dissipated into the first cavity 710 and dissipated outward through the first cavity 710, which avoids excessive concentration of heat affecting the measurement result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50. Further, the bracket 60 can also have a support leg 620, which can be used to support the plate-shaped body 610, so that the ejector pipe 40 can be positioned by the bracket 60.

[0045] Referring to Figure 3 The first disc part 310 can be formed with a protrusion 370 at a position opposite to the temperature sensing element 50. The protrusion 370 can protrude away from the temperature sensing element 50 and form a cavity 371. The protrusion 370 can be in the shape of a round cake or a box, etc. In this way, on the one hand, the protrusion 370 protrudes away from the temperature sensing element 50, not only allowing the liquid remaining on the protrusion 370 to flow to the first disc part 310 and the second disc part 320, further reducing the influence of the remaining liquid temperature on the temperature sensing element 50, but also further away from the temperature sensing surface 510, avoiding the influence of the temperature of the protrusion 370 (i.e. the temperature conducted from the ejector pipe 40 to the protrusion 370 through the first disc part 310) or the temperature of the small amount of liquid remaining on the protrusion 370 on the detection result of the temperature sensing element 50; on the other hand, the protrusion 370 is formed with the cavity 371, the heat generated by the ejector pipe 40 is dissipated into the cavity 371 and dissipated outward through the cavity 371, avoiding excessive concentration of heat affecting the measurement result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50; in addition, in the case that the temperature sensing element 50 is fixed by the fastener, the protrusion 370 can also avoid the fastener, thereby avoiding mutual interference.

[0046] Further, in the case that the temperature sensing element 50 is fixed by the fastener, the distance between the protrusion 370 and the fastener can be greater than 1mm, such as 1mm, 1.5mm, 2mm, etc. In this way, the mutual interference between the protrusion 370 and the fastener is effectively avoided. In an embodiment of the present application, the distance between the top ends of the fasteners is 1.5mm, which well ensures that the protrusion 370 and the fastener will not interfere with each other.

[0047] Again referring toFigure 3 The protrusion 370 can have a top wall 372. A lower surface of the top wall 372 and a lower surface of the first disc part 310 can have a second distance H2, which can be 4mm-14mm, for example, the second distance H2 can be 4mm, 7mm, 9mm, 14mm, etc. In this way, the second distance H2 is within this range, not only makes the liquid remaining on the protrusion 370 can flow to the first disc part 310 and the second disc part 320, further reduces the influence of the remaining liquid temperature on the temperature sensing element 50, also avoids the temperature of the protrusion 370 or the temperature of a small amount of liquid remaining on the protrusion 370 affecting the detection result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50. In an embodiment of the utility model, the second distance H2 is 9mm, which can well ensure the accuracy of the detection result of the temperature sensing element 50.

[0048] Again refer to Figure 3 And Figure 5 The upper surface of the plate-shaped body 610 and the lower surface of the second disc part 320 can be spaced apart to form a second cavity 720, and the second cavity 720 can be in communication with the first cavity 710. In this way, the heat generated by the ejector pipe 40 can be further dissipated outward through the second cavity 720 after being dissipated to the first cavity 710, thereby avoiding the heat being too concentrated to affect the measurement result of the temperature sensing element 50, and further ensuring the accuracy of the detection result of the temperature sensing element 50.

[0049] Again refer to Figure 3 And Figure 5 The third distance H3 between the temperature sensing surface 510 and the lower surface of the second disc part 320 can be 3mm-8mm, for example, the third distance H3 can be 3mm, 4.6mm, 6mm, 8mm, etc. In this way, the third distance H3 is within this range, avoiding the temperature of the second disc part 320 (i.e. the temperature conducted from the ejector pipe 40 to the second disc part 320 through the first disc part 310) or the temperature of the liquid received by the second disc part 320 affecting the detection result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50. In an embodiment of the utility model, the third distance H3 is 4.6mm, which can well ensure the accuracy of the detection result of the temperature sensing element 50.

[0050] Again refer to Figure 3 And Figure 5 The third disc part 330 and the panel 20 can be surrounded to form a third cavity 730, and the third cavity 730 can be in communication with the second cavity 720. In this way, the heat dissipated into the second cavity 720 can be further dissipated outward through the third cavity 730, so that the lower part of the liquid containing disc 30 can reach thermal equilibrium, thereby avoiding the heat being too concentrated to affect the measurement result of the temperature sensing element 50, and further ensuring the accuracy of the detection result of the temperature sensing element 50.

[0051] Further, the third disc part 330 and the panel 20 can have a fourth distance H4, the fourth distance H4 can be 2mm-7mm, for example, the fourth distance H4 can be 2mm, 4.8mm, 6mm, 7mm. In this way, the lower surface of the third disc part 330 and the upper surface of the panel 20 can enclose the third cavity 730, and the heat is sequentially dissipated from the first cavity 710, the second cavity 720 and the third cavity 730 from the ejector pipe 40. In the case of a convex, the heat can also be dissipated from the first cavity 710 to the cavity 371, so that the lower part of the liquid container 30 can achieve thermal equilibrium, thereby avoiding excessive concentration of heat and affecting the measurement results of the temperature sensing element 50, and further ensuring the accuracy of the detection results of the temperature sensing element 50. In an embodiment of the utility model, the fourth distance H4 is 4.8mm, which can well ensure the accuracy of the detection results of the temperature sensing element 50.

[0052] Referring to Figure 2 , Figure 3 and Figure 6 , the temperature sensing surface 510 and the bracket 60 can form a surface contact. The bracket 60 can be made of a heat-conducting material, for example, the material of the bracket 60 can be metal or other materials with good heat transfer performance. Specifically, the plate-shaped body 610 of the bracket 60 can have a measured surface 630, and the measured surface 630 can be attached to the temperature sensing surface 510. In this way, since the ejector pipe 40 is positioned by the bracket 60, the ejector pipe 40 can be heat-conducted to the bracket 60, which is easy to install. Moreover, since the temperature of the ejector pipe 40 is related to the temperature of the pot bottom, the detection of the temperature of the pot bottom can be realized by sensing the temperature of the bracket 60 through the temperature sensing element 50 (i.e. indirectly detecting the temperature of the pot), which not only prevents the temperature sensing element 50 from being affected by the flame and ensures the accuracy of temperature detection, but also avoids the interference between the temperature sensing element 50 and the pot, thereby expanding the types of pots placed on the stove 1 for use and expanding the application range of the stove 1.

[0053] For example, the temperature sensing element 50 can be located above or below the bracket 60, which can ensure that the temperature sensing element 50 can accurately detect the temperature of the bracket 60. According to the size of the installation cavity 110 of the stove 1, the temperature sensing element 50 can be correspondingly arranged at a suitable position, thereby expanding the application range of the stove 1.

[0054] The temperature sensing surface 510 can be attached to the lower surface of the plate-shaped body 610, the upper surface of the plate-shaped body 610 and the lower surface of the second disc part 320 can have a fifth distance H5, the plate-shaped body 610 can have a thickness h, and H5 = H3 - h. In this way, on the one hand, the to-be-detected surface 630 is located on the lower surface of the plate-shaped body 610, not only avoiding the influence of flame combustion on temperature detection, ensuring the accuracy of temperature detection, but also effectively avoiding the influence of the contact between the leaked soup and the temperature sensing element 50 on the accuracy and service life of the temperature sensing element 50; on the other hand, the second cavity 720 formed between the upper surface of the plate-shaped body 610 and the lower surface of the second disc part 320 can further dissipate the heat generated by the ejector pipe 40 outward, thereby avoiding the excessive concentration of heat and affecting the measurement result of the temperature sensing element 50.

[0055] The thickness h can be 0.5mm-3mm, for example, the thickness h can be 0.5mm, 1mm, 3mm, etc. In this way, the thickness h is within this range, which ensures the accuracy of temperature detection of the temperature sensing element 50 and the strength of the plate-shaped body 610, not only avoiding that the plate-shaped body 610 is too thin and has poor strength, but also avoiding that the plate-shaped body 610 is too thick and the speed of temperature conduction to the temperature sensing element 50 is slow, which affects the temperature detection of the temperature sensing element 50. In an embodiment of the present application, the thickness h is 1mm, which can well ensure the accuracy of temperature detection of the temperature sensing element 50.

[0056] Again refer to Figure 2 The through hole 210 can have a radius R1, and R1 can be 60mm-90mm, for example, R1 can be 60mm, 70mm, 85mm, 90mm, etc. In this way, the radius R1 of the through hole 210 is within this range, not only ensuring the distance between the center of the temperature sensing surface 510 and the hole wall of the through hole 210, avoiding that the panel 20 is too close to the temperature sensing surface 510, which affects the detection result of the temperature sensing element 50, but also ensuring the heat dissipation below the liquid containing disc 30, avoiding that the heat is too concentrated to affect the measurement result of the temperature sensing element 50, thereby ensuring the accuracy of the detection result of the temperature sensing element 50. In an embodiment of the present application, R1 is 85mm, which can well ensure the accuracy of temperature detection of the temperature sensing element 50.

[0057] For example, the temperature sensing element 50 can be connected to the support 60 through a fastener, so that the temperature sensing surface 510 is tightly attached to the to-be-detected surface 630. In this way, the stability of the mutual connection between the temperature sensing element 50 and the support 60 can be ensured, and the surface contact can be well ensured. The fastener can be a screw, a bolt, etc. In an embodiment not shown, the temperature sensing element 50 can also be connected to the support 60 in other ways, such as welding, riveting, pasting, buckle connection, etc.

[0058] Specifically, refer to Figures 1 to 7The temperature sensing piece 50 can be a temperature sensor. The temperature sensing piece 50 can have a sheet-shaped portion 520 and a lead portion 530. The sheet-shaped portion 520 can be made of a heat-conductive material, for example, the sheet-shaped portion 520 can be made of metal or other material with good heat-conducting performance. The temperature sensing surface 510 can be located on the sheet-shaped portion 520 to ensure that the temperature sensing piece 50 can accurately detect the temperature of the support 60 through the temperature sensing surface 510. The lead portion 530 can include a probe body 531 connected to the sheet-shaped portion 520. The probe body 531 can be provided with a negative temperature coefficient thermistor or the like, which is not limited here and can be any device that can convert temperature information into other output or judgment signals. In this way, the temperature sensing piece 50 can monitor the temperature in real time and compare it with the pre-set temperature threshold. As long as the temperature of the pot bottom is higher than the pre-set temperature threshold, it is determined that dry burning occurs. Alternatively, temperature information is collected for a period of time, the temperature change rate of the period of time is calculated, and the threshold for automatically starting the dry burning prevention function is selected according to the temperature change rate. Finally, as long as the temperature change of the pot bottom is higher than the threshold, it is determined that dry burning occurs, and then the gas source is cut off to prevent burning.

[0059] The following is an example of a negative temperature coefficient thermistor. Under normal heating conditions, the temperature change rate of the negative temperature coefficient thermistor is relatively stable, but when the pot appears dry burning, the pot temperature rises rapidly because there is not enough medium to absorb heat, and the temperature of the support 60 also rises rapidly, resulting in a sharp increase in the temperature change rate of the negative temperature coefficient thermistor.

[0060] The negative temperature coefficient thermistor has a temperature-resistance characteristic curve. When the temperature of the negative temperature coefficient thermistor rises, the slope of the temperature-resistance characteristic curve increases, which indicates that the negative temperature coefficient thermistor is in a continuous heating condition, and thus it can be determined that the pot is in a dry burning state. The negative temperature coefficient thermistor has a fast response speed and high sensitivity to temperature changes, and can provide accurate temperature measurement. Moreover, the negative temperature coefficient thermistor has a simple structure, low cost, low failure rate, and good long-term stability. The negative temperature coefficient thermistor has high heat transfer efficiency and can respond sensitively to temperature changes. Moreover, the negative temperature coefficient thermistor has a simple structure and low use cost, which effectively reduces the failure rate and use cost of the stove 1 and improves the reliability of the stove 1.

[0061] In some embodiments, the inside of the probe body 531 can have a heat-conducting medium. In this way, the temperature of the support 60 can be better and more accurately transmitted to the negative temperature coefficient thermistor, thereby further improving the accuracy and speed of temperature detection. Specifically, the heat-conducting medium can be heat-conducting resin. The heat-conducting resin not only has high heat conductivity but also has stability. Filling the heat-conducting resin in the inside of the probe body 531 can effectively improve the accuracy and speed of temperature detection. Of course, the heat-conducting medium can also be other materials.

[0062] Further, the lead portion 530 can further include a signal transmission line 532 connected to the probe body 531 at an end away from the sheet portion 520. In this way, not only is the temperature information collected by the sheet portion 520 converted into an output signal for transmission, but the signal transmission line 532 is relatively far away from the sheet portion 520, avoiding the impact of high temperatures on the signal transmission line 532. Specifically, the signal transmission line 532 can be coated with a protective sleeve on the outside. The protective sleeve can further avoid the impact of high temperatures on the signal transmission line 532, and can also avoid the problem of the signal transmission line 532 being exposed and vulnerable to damage.

[0063] In an embodiment not shown, a controller can be connected to an end of the signal transmission line 532 away from the probe body 531. The temperature information collected by the temperature sensing element 50 from the sheet portion 520 can be converted into a signal by the negative temperature coefficient thermistor and transmitted to the controller through the signal transmission line 532. The controller can control the working state of the gas stove 1 based on the signal. When the gas stove 1 is in a situation such as dry burning of the pot, accidental extinguishing, long time high fire without pot, etc., the controller can cut off the gas source in the first time to make the gas stove 1 extinguish, avoiding safety hazards.

[0064] In the description of the present application, it should be understood that the orientation words such as "front", "back", "up", "down", "left", "right", "horizontal", "vertical", "vertical", "horizontal" and "top", "bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element indicated must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner", "outer" refer to the inner and outer of the contour of each component itself.

[0065] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical" and "horizontal" as can be perceived herein relative to the accompanying drawings refer to the orientation of the components being described. However, it is to be understood that the exemplary embodiments described herein can assume different orientations, except where expressly specified to the contrary. It is to be understood that the exemplary embodiments described herein can assume different orientations, except where expressly specified to the contrary. Thus, all devices shown in the figures are illustrative based upon the exemplary embodiments (and / or other adaptations of the exemplary embodiments) and are based on the application as claimed.

[0066] It is to be understood that the terms "including", "comprising", "consisting" and "consisting essentially of" used in the specification are not to be construed as limiting the exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, steps, operations, components, elements, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, components, elements, and / or groups thereof.

[0067] It is to be understood that the terms "first", "second", and so on as used herein are intended to distinguish between similar objects, and are not necessarily intended to denote a particular order or sequence. It is to be understood that the data so used can be interchanged, where appropriate, so that the exemplary embodiments described herein can be practiced in other than the order illustrated or described herein.

[0068] The utility model has carried on the explanation through the above embodiment, but should understand, the above embodiment is only for example and explanation purpose, and not the intention of the utility model is limited in the range of described embodiment. In addition, the skilled in the art can understand that the utility model is not limited to the above embodiment, according to the teaching of the utility model, more kinds of variations and modifications can be made, and these variations and modifications all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the attached claims and its equivalent scope.

Claims

1. A stove, characterized in that, It includes a bottom shell, a panel, a liquid tray, an ejector tube, and a temperature sensing element for sensing the temperature of the ejector tube; The bottom shell forms an installation cavity with an opening; The panel covers the opening, and the panel has a through hole; The liquid-holding tray is supported by the panel and covers the through hole; The ejector tube passes through the liquid-collecting tray; The temperature sensing element is located inside the mounting cavity. The temperature sensing element has a temperature sensing surface. The center of the temperature sensing surface is projected onto the plane where the panel is located and is located inside the through hole. In the length direction of the panel, there is a distance X1 between the center of the temperature sensing surface and the wall of the through hole. The distance X1 is 40mm to 90mm.

2. The stove according to claim 1, characterized in that, The liquid-holding tray has a first tray portion and a second tray portion, the second tray portion being lower than the first tray portion, the first tray portion being closer to the center of the liquid-holding tray than the second tray portion, and the projection of the temperature-sensing surface toward the plane where the first tray portion is located falling into the first tray portion.

3. The stove according to claim 2, characterized in that, The through hole has a radius R1, and the outer edge of the second disk is formed on a circumference with a radius R2 centered on the center of the through hole, where R2 < R1.

4. The stove according to claim 2, characterized in that, The liquid-holding tray also has a third tray portion, which is higher than the second tray portion, and the second tray portion is connected between the first tray portion and the third tray portion.

5. The stove according to claim 4, characterized in that, The through hole has a radius of R1, and the third disk has an inner edge and an outer edge. The inner edge is formed on a circumference with the center of the through hole as the center and a radius of R3, and the outer edge is formed on a circumference with the center of the through hole as the center and a radius of R4, where R3 < R1 < R4.

6. The stove according to claim 4, characterized in that, The temperature sensing surface and the lower surface of the first disk have a first distance H1, which is 5mm to 12mm.

7. The stove according to claim 4, characterized in that, The ejector tube is positioned on the bottom shell by a bracket, the bracket having a plate-shaped body, the temperature sensing surface being disposed on the plate-shaped body, and the upper surface of the plate-shaped body being spaced apart from the lower surface of the first disc to form a first cavity.

8. The stove according to claim 7, characterized in that, The first disc portion has a protrusion formed at the position directly opposite the temperature sensing element, the protrusion protrudes away from the temperature sensing element and forms a cavity.

9. The stove according to claim 8, characterized in that, The protrusion has a top wall, and there is a second distance H2 between the lower surface of the top wall and the lower surface of the first disk, the second distance H2 being 4mm to 14mm.

10. The stove according to claim 7, characterized in that, The upper surface of the plate-shaped body is spaced apart from the lower surface of the second disc to form a second cavity, which is connected to the first cavity.

11. The stove according to claim 10, characterized in that, There is a third distance H3 between the temperature sensing surface and the lower surface of the second disk, and the third distance H3 is 3mm to 8mm.

12. The stove according to claim 10, characterized in that, The third disc portion and the panel together form a third cavity, which is connected to the second cavity.

13. The stove according to claim 7, characterized in that, The temperature-sensing surface makes surface contact with the bracket.

14. The stove according to claim 1, characterized in that, The through hole has a radius R1, which is 60mm to 90mm.

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