Smoke stove system

Abstract

The utility model relates to the technical field of kitchen appliances, and particularly discloses a range hood and gas stove system which comprises a range hood, a gas stove and a combustible gas concentration sensing device used for detecting the concentration of combustible gas, the combustible gas concentration sensing device is in communication connection with the range hood, and the range hood is in communication connection with the gas stove; the gas stove comprises a burner, a gas inlet pipeline connected with the burner and used for supplying combustible gas to the burner, an electromagnetic switch valve and a flow adjusting valve, wherein the electromagnetic switch valve and the flow adjusting valve are arranged on the gas inlet pipeline in series. The gas stove further comprises a pulse igniter and a thermocouple, the thermocouple, the pulse igniter and the electromagnetic switch valve are connected in series to form a loop, the thermocouple is used for maintaining the opening state of the electromagnetic switch valve under the condition that flames of the combustor are detected, and the pulse igniter is used for closing the electromagnetic switch valve under the condition that a disconnection signal of the range hood is received. According to the range hood system, safety protection of gas and fire in a kitchen is conveniently and reliably achieved, and user safety in the kitchen environment is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and in particular to a smoke and stove system. Background Art

[0002] The linkage between range hood and stove is one of the key technologies in the field of smart home technology, which can make users more intelligent when using range hoods and stoves. For example, the range hood can be turned on immediately after the stove is started or ignited, and the range hood can automatically control the fan power after receiving the cooking status of the stove. The range hood and stove system is mainly composed of range hoods and stoves. Whether it is an independent range hood system or an integrated stove, in daily use, the range hood and gas stove are usually used together.

[0003] However, the existing smoke and stove system only realizes the aforementioned ordinary conventional smoke and stove linkage function, and does not realize the smoke and stove linkage protection after gas leakage, and cannot realize automatic shutdown of the stove, thereby failing to prevent the open flame from contacting the leaked gas and causing an explosion, and it is difficult to conveniently and reliably realize the safety protection of kitchen gas and fire.

[0004] To address the above problems, no effective solution has been proposed yet. Utility Model Content

[0005] The embodiments of the present specification provide a smoke and stove system to solve the problem in the prior art that smoke and stove linkage protection after gas leakage cannot be achieved.

[0006] The embodiment of this specification provides a smoke stove system, including:

[0007] A range hood, a gas stove and a combustible gas concentration sensing device, wherein a gas sensor is arranged in a housing of the combustible gas concentration sensing device; an opening is arranged on the surface of the housing of the combustible gas concentration sensing device, and the gas sensor at least detects the concentration of combustible gas in the air through the opening; the combustible gas concentration sensing device is communicatively connected to the range hood, and the range hood is communicatively connected to the gas stove;

[0008] The gas stove comprises a burner, a gas inlet pipeline connected to the burner and used to supply combustible gas to the burner, and an electromagnetic switch valve and a flow regulating valve arranged in series on the gas inlet pipeline, wherein the electromagnetic switch valve is used to open or close the gas inlet pipeline, and the flow regulating valve is used to adjust the gas flow of the gas inlet pipeline;

[0009] The gas stove also includes a pulse igniter and a thermocouple. The thermocouple, the pulse igniter, and the electromagnetic switch valve are connected in series to form a loop. The thermocouple is used to maintain the open state of the electromagnetic switch valve when the flame of the burner is detected, and the pulse igniter is used to close the electromagnetic switch valve when a disconnect signal from the range hood is received.

[0010] In one embodiment, the gas stove includes at least two burners arranged on the left and right, the gas intake pipeline includes a gas intake main pipeline and two gas intake branch pipelines, one end of the two gas intake branch pipelines are respectively connected to the at least two burners arranged on the left and right, and the other ends of the two gas intake branch pipelines are both connected to the gas intake main pipeline, and the electromagnetic switch valve and the flow regulating valve are arranged in series on the two gas intake branch pipelines.

[0011] In one embodiment, the electromagnetic switch valve and the flow regulating valve are integrally arranged on the gas intake pipeline.

[0012] In one embodiment, the flow regulating valve is a mechanical valve, and the gas stove has a transmission structure arranged between the mechanical valve and the electromagnetic switch valve. When the mechanical valve is in a pressed state, the electromagnetic switch valve can be opened by the transmission structure.

[0013] In one embodiment, the range hood has a first wireless communication module, and the gas stove has a second wireless communication module, and the second wireless communication module is used to receive signals from the first wireless communication module and is connected to the pulse igniter through a data line.

[0014] In one embodiment, the combustible gas concentration sensor device is connected to the controller of the range hood via a data line, and the controller of the range hood is connected to the first wireless communication module via a data line.

[0015] In one embodiment, the first wireless communication module and the second wireless communication module include a Bluetooth module or a WIFI module.

[0016] In one embodiment, the range hood has a smoke outlet, and the opening of the shell of the combustible gas concentration sensor device is arranged higher than the smoke outlet.

[0017] In one embodiment, the burner has a burner head, a pot rack arranged around the burner head and an energy collecting cover detachably connected to the pot rack, and the lower end of the body of the energy collecting cover is provided with a flange that is at least partially upward, and the flange forms a lower through hole for the burner head to pass through.

[0018] In one embodiment, a slot hole located above the lower through hole for the legs of the pot rack to pass through is provided on the body of the energy gathering cover, and the slot hole is connected to the lower through hole.

[0019] In one embodiment, a support block for supporting the energy focusing hood is connected below the flange of the energy focusing hood, and a gap is provided between the energy focusing hood and the panel of the gas stove for air to flow from the outside to the burner head, and the length direction of the support block is consistent with the radial direction of the lower through hole.

[0020] In one embodiment, the gas stove further comprises an ignition needle, which is used to ignite the combustible gas. The ignition needle comprises a positioning step portion for positioning the ignition needle, and the diameter of the positioning step portion gradually increases from top to bottom.

[0021] The technical solution of this specification has the following significant beneficial effects:

[0022] In the smoke and stove system in this embodiment, the combustible gas concentration sensor device is communicatively connected with the range hood, and the range hood is communicatively connected with the gas stove. When the combustible gas concentration sensor device detects that the combustible gas concentration exceeds the standard, the combustible gas concentration sensor device can send an exceeding standard signal to the range hood, and the range hood can send a disconnection signal to the gas stove in response to the exceeding standard signal. Since the thermocouple, pulse igniter and electromagnetic switch valve in the gas stove form a loop, the pulse igniter disconnects the electromagnetic switch valve of the gas stove when receiving the disconnection signal, thereby closing the gas intake pipeline, and realizing the closure of the intake pipeline in the event of gas leakage. Through the aforementioned loop and the communication connection relationship of the smoke and stove system, the smoke and stove system can realize the low-cost shutdown of the stove through the pulse igniter when the combustible gas exceeds the standard, thereby reducing the risk of explosion caused by the leaked combustible gas contacting the open flame, thereby conveniently and reliably realizing the safety protection of kitchen gas, and ensuring the safety of gas and fire in the kitchen environment.

[0023] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Features described and / or shown for one embodiment can be used in one or more other embodiments in the same or similar manner, combined with features in other embodiments, or replace features in other embodiments.

[0024] It should be emphasized that the term “include / comprises” when used herein refers to the presence of features, parts, steps or components, but does not exclude the presence or addition of one or more other features, parts, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are only for explanation purposes and are not intended to limit the scope of the present invention in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only for illustration purposes and are used to help understand the present invention. They do not specifically limit the shapes and proportional dimensions of the components of the present invention. Under the guidance of the present invention, those skilled in the art can select various possible shapes and proportional dimensions to implement the present invention according to specific circumstances. In the drawings:

[0026] Figure 1 A structural block diagram of a smoke stove system in an embodiment of this specification is shown;

[0027] Figure 2 A schematic diagram of the structure of a smoke stove system in an embodiment of this specification is shown;

[0028] Figure 3 A schematic diagram of the structure of a gas stove in an embodiment of this specification is shown;

[0029] Figure 4 A schematic diagram of a control circuit of an electromagnetic switch valve of a gas stove in an embodiment of the present specification is shown;

[0030] Figure 5 A schematic diagram of the structure of a gas stove in an embodiment of this specification is shown;

[0031] Figure 6 A schematic diagram of a control circuit of an electromagnetic switch valve of a gas stove in an embodiment of the present specification is shown;

[0032] Figure 7 A schematic diagram of the structure of a burner in one embodiment of this specification is shown;

[0033] Figure 8 A three-dimensional diagram of an energy-gathering cover in an embodiment of the present specification is shown;

[0034] Fig. 9 A perspective view of an energy-gathering shield in one embodiment of the present specification is shown;

[0035] Fig.10 A schematic diagram of the structure of an ignition needle in an embodiment of this specification is shown.

[0036] Reference numerals in the above drawings:

[0037] 10. Range hood; 20. Gas stove; 30. Combustible gas concentration sensor; 21. Burner; 211. First burner; 212. Second burner; 213. Burner head; 214. Pot stand; 215. Energy gathering hood; 216. Ignition needle; 2151. Flanging; 2152. Slot; 2153. Lower through hole; 2154. Support block; 2161. Positioning step; 22. Flow regulating valve; 221. First flow regulating valve; 222. Second flow regulating valve; 23. Solenoid switch valve; 231. First solenoid switch valve; 232. Second solenoid switch valve; 24. Gas intake pipeline; 240. Gas intake main pipeline; 241. First gas intake branch pipeline; 242. Second gas intake branch pipeline; 25. Pulse igniter; 26. Thermocouple; 261. First thermocouple; 262. Second thermocouple. DETAILED DESCRIPTION

[0038] The principles and spirit of this specification will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are provided only to enable those skilled in the art to better understand and implement this specification, and are not intended to limit the scope of this specification in any way. On the contrary, these embodiments are provided to make this specification more thorough and complete, and to fully convey the scope of this disclosure to those skilled in the art.

[0039] In combination with the accompanying drawings and the description of the specific embodiments of the present invention, the details of the present invention can be more clearly understood. However, the specific embodiments of the present invention described herein are only used to explain the purpose of the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be regarded as belonging to the scope of the present invention. It should be noted that when an element is referred to as "disposed on" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this specification belongs. The terms used herein in this specification are only for the purpose of describing specific embodiments and are not intended to limit this specification. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0041] The embodiments of this specification provide a smoke stove system. Figure 1 and 2 The structural block diagram and structural schematic diagram of the smoke stove system in one embodiment of this specification are respectively shown. Figure 1 and Figure 2 As shown, the range hood system may include: a range hood 10 , a gas stove 20 and a combustible gas concentration sensor 30 .

[0042] The range hood 10 can be connected to the gas stove 20 by communication. In one embodiment, the range hood 10 can be connected to the gas stove 20 by communication via a data cable. In another embodiment, the range hood 10 can be connected to the gas stove 20 by wireless communication. In this embodiment, the range hood 10 communicates with the combustible gas concentration sensor 30 and the range hood 10, and then indirectly communicates with the gas stove 20. The range hood 10 and the gas stove 20 are connected without a wire, which avoids the direct wired connection between the combustible gas concentration sensor 30 and the gas stove 20, ensures the aesthetics of the range hood system, and can also achieve safety protection of kitchen gas.

[0043] The combustible gas concentration sensor device 30 can be connected to the range hood 10 by communication. In one embodiment, the combustible gas concentration sensor device 30 can be connected to the range hood 10 by wireless communication, which further ensures the aesthetics of the range hood system and takes into account the safety protection of kitchen gas. In another embodiment, the combustible gas concentration sensor device 30 can be connected to the range hood 10 by wired communication.

[0044] A gas sensor may be provided in the shell of the combustible gas concentration sensing device 30. The gas sensor may be a device capable of at least detecting the concentration of combustible gas in the air, for example, may be a circuit board or a chip. The shell of the combustible gas concentration sensing device 30 may be used to accommodate the gas sensor. The surface of the shell of the combustible gas concentration sensing device 30 may be provided with an opening, and the gas sensor may at least detect the concentration of combustible gas in the air through the opening. In this embodiment, a gas sensor for at least detecting the concentration of combustible gas in the air is provided in the shell of the combustible gas concentration sensing device. In other embodiments, the gas sensor may also be used to detect the concentration of carbon monoxide in the air, etc.

[0045] In one embodiment, when the combustible gas concentration sensor 30 detects that the combustible gas concentration exceeds the standard, a shutdown signal may be sent to the range hood 10. The range hood 10 may stop working in response to the received shutdown signal to avoid exhausting the combustible gas to the public flue and the risk of explosion. The range hood 10 may send a disconnection signal to the gas stove 20. The gas stove 20 may close the gas intake pipeline in response to the disconnection signal to turn off the stove, thereby reducing the risk of explosion caused by the leaked combustible gas contacting the open flame and ensuring the safety of users in using fire and gas.

[0046] like Figure 1 and Figure 2 As shown, in some embodiments of the present specification, the range hood 10 can be connected to the combustible gas concentration sensor device 30 through a data line. The range hood 10 can be connected to the gas stove 20 through wireless communication. In the above manner, indirect communication between the combustible gas concentration sensor device 30 and the gas stove 20 can be achieved.

[0047] In order to improve the detection accuracy, the combustible gas concentration sensor device 30 is usually set at a high place. If it is directly connected to the gas stove 20 by wired communication, the data line length is too long, which affects the appearance and is costly. If the combustible gas concentration sensor device 30 is connected to the gas stove 20 by wireless communication, the battery power of both will be further consumed, shortening the service life. In this embodiment, by connecting the combustible gas concentration sensor device to the range hood by wire, the length of the data line can be shortened, ensuring simplicity and beauty. By reusing the wireless communication system for the range hood, the safety protection of kitchen gas can be conveniently and reliably achieved, ensuring the safety of gas and fire in the kitchen environment.

[0048] like Figure 1 As shown, the range hood 10 may have a first wireless communication module 1001 , and the gas stove 20 may have a second wireless communication module 2001 . The second wireless communication module 2001 is used to receive the signal sent by the first wireless communication module 1001 .

[0049] In some embodiments of the present specification, the first wireless communication module 1001 and the second wireless communication module 2001 may include a Bluetooth module or a WIFI module.

[0050] In some embodiments of the present specification, the combustible gas concentration sensor device 30 can be connected to the controller of the range hood 10 through a data line, and the controller of the range hood 10 can be connected to the first wireless communication module 1001 through a data line. In this embodiment, when the combustible gas concentration sensor device 30 detects that the gas concentration exceeds the standard, it can send an exceeding standard signal to the controller of the range hood 10 through the data line. In some embodiments, the controller of the range hood 10 can control the range hood 10 to stop working in response to the exceeding standard signal. In some embodiments, the controller of the range hood 10 can send a disconnection signal to the first wireless communication module 1001 through the data line. The first wireless communication module 1001 sends the disconnection signal to the second wireless communication module 2001 through wireless communication. The second wireless communication module 2001 can send a disconnection signal to the controller of the gas stove 20 through the data line to control the gas intake pipeline of the gas stove 20 to be disconnected. In this embodiment, the controller of the gas stove 20 is a pulse igniter of the gas stove 20.

[0051] In some embodiments of the present specification, the range hood 10 may have a smoke outlet, and the opening of the shell of the combustible gas concentration sensor device 30 is arranged higher than the smoke outlet. In this embodiment, considering that the density of combustible gases such as methane is relatively small and they float in the air, arranging the combustible gas concentration sensor device at a high position can improve the gas concentration detection accuracy. Moreover, by arranging the shell opening of the combustible gas concentration sensor device to be higher than the smoke outlet, the combustible gas concentration in the air after the range hood exhausts the oil smoke can be detected, thereby avoiding the influence of the oil smoke on the detection accuracy of the combustible gas concentration, and the gas concentration detection accuracy can be further improved.

[0052] Please refer to Figure 3 , shows a schematic diagram of the structure of a gas stove in an embodiment of the present invention. Figure 3 As shown, the gas stove 20 may include a burner 21, a gas inlet pipeline 24 connected to the burner 21 and used to supply combustible gas to the burner 21, and an electromagnetic switch valve 23 and a flow regulating valve 22 arranged in series on the gas inlet pipeline 24. The electromagnetic switch valve 23 is used to open or close the gas inlet pipeline 24. The flow regulating valve 22 is used to adjust the gas flow of the gas inlet pipeline 24.

[0053] When the electromagnetic switch valve 23 and the flow regulating valve 22 are both open, the gas inlet pipeline 24 is connected, and the burner 21 can burn. When at least one of the electromagnetic switch valve 23 and the flow regulating valve 22 is disconnected, the gas inlet pipeline 24 is disconnected, and the burner 21 stops burning.

[0054] The electromagnetic switch valve 23 can have two states, namely, disconnection and conduction, to open or close the gas intake pipeline. The opening of the flow control valve 22 is adjustable, thereby adjusting the gas flow of the gas intake pipeline 24.

[0055] Please refer to Figure 4 , shows a schematic diagram of the control circuit of the electromagnetic switch valve of the gas stove in an embodiment of this specification. Figure 4 As shown, the gas stove 20 may further include a pulse igniter 25 and a thermocouple 26. In one embodiment, the pulse igniter 25 may be communicatively connected to the range hood 10. For example, the pulse igniter 25 may be connected to the second wireless communication module 2002 of the gas stove 20 via a data line, so as to communicate with the first wireless communication module 1001 of the range hood 10 via the second wireless communication module 2001.

[0056] like Figure 4 As shown, the thermocouple 26, the pulse igniter 25, and the electromagnetic switch valve 23 are connected in series to form a loop. The thermocouple 26 is used to maintain the open state of the electromagnetic switch valve 23 when the flame of the burner 21 is detected. The thermocouple 26 can be arranged adjacent to the burner 21. When the thermocouple 26 detects the flame of the burner 21, the temperature signal can be converted into a thermoelectric potential, and the thermoelectric potential can maintain the electromagnetic switch valve 23 in a conducting state.

[0057] The pulse igniter 25 is used to close the electromagnetic switch valve 23 when receiving the disconnection signal of the range hood 10. Specifically, when receiving the disconnection signal of the range hood 10, the pulse igniter 25 generates a reverse current opposite to the thermoelectromotive force, and the reverse current flows through the electromagnetic switch valve 23 to disconnect the electromagnetic switch valve 23.

[0058] In the smoke and stove system in this embodiment, the combustible gas concentration sensor device is communicatively connected with the range hood, and the range hood is communicatively connected with the gas stove. When the combustible gas concentration sensor device detects that the combustible gas concentration exceeds the standard, the combustible gas concentration sensor device can send an exceeding standard signal to the range hood, and the range hood can send a disconnection signal to the gas stove in response to the exceeding standard signal. Since the thermocouple, pulse igniter and electromagnetic switch valve in the gas stove form a loop, the pulse igniter disconnects the electromagnetic switch valve of the gas stove when receiving the disconnection signal, thereby closing the gas intake pipeline, thereby realizing the closure of the intake pipeline in the event of a gas leak. Through the aforementioned loop and the communication connection relationship of the smoke and stove system, when the combustible gas exceeds the standard, the smoke and stove system can realize the low-cost shutdown of the stove through the pulse igniter, thereby reducing the risk of explosion caused by the leaked combustible gas coming into contact with an open flame, thereby being able to conveniently and reliably realize the safety protection of kitchen gas use, and ensure the safety of gas and fire use in the kitchen environment.

[0059] like Figure 2As shown, in some embodiments of the present specification, the gas stove 20 may include at least two burners 21 arranged on the left and right. Accordingly, the gas intake pipeline may include a gas intake main pipeline and at least two gas intake branch pipelines, one end of the at least two gas intake branch pipelines is respectively connected to the at least two burners arranged on the left and right, the other end of the at least two gas intake branch pipelines is connected to the gas intake main pipeline, and the electromagnetic switch valve and the flow regulating valve are arranged in series on the at least two gas intake branch pipelines.

[0060] Please refer to Figure 5 , shows a schematic diagram of the structure of the gas stove in the embodiment of this specification. Figure 5 As shown, the gas stove 20 may include a first burner 211 and a second burner 212. The gas intake pipeline 24 may include a gas intake main pipeline 240 and two gas intake branch pipelines. The two gas intake branch pipelines may include a first gas intake branch pipeline 241 and a second gas intake branch pipeline 242. One end of the first gas intake branch pipeline 241 is connected to the first burner 211, and the other end of the first gas intake branch pipeline 241 is connected to the gas intake main pipeline 240. One end of the second gas intake branch pipeline 242 is connected to the second burner 212, and the other end of the second gas intake branch pipeline 242 is connected to the gas intake main pipeline 240. The first electromagnetic switch valve 231 and the first flow regulating valve 221 are arranged in series on the first gas intake branch pipeline 241. The second electromagnetic switch valve 232 and the second flow regulating valve 222 are arranged in series on the second gas intake branch pipeline 242.

[0061] Please refer to Figure 6 , shows a schematic diagram of the control circuit of the electromagnetic switch valve in an embodiment of this specification. Figure 6 The control circuit diagram for two burners is shown in Figure 1. Figure 6 As shown, the pulse igniter 25, the first thermocouple 261 and the first electromagnetic switch valve 231 are connected in series to form a loop. The pulse igniter 25, the second thermocouple 262 and the second electromagnetic switch valve 232 are connected in series to form a loop. The first thermocouple 261 can maintain the open state of the first electromagnetic switch valve 231 when the flame of the first burner 211 is detected. The second thermocouple 262 can maintain the open state of the second electromagnetic switch valve 232 when the flame of the second burner 212 is detected. After the pulse igniter 25 receives the disconnection signal of the range hood 10, a reverse current can be generated, and the reverse current flows through the first electromagnetic switch valve 231 and the second electromagnetic switch valve 232, so that the first electromagnetic switch valve 231 and the second electromagnetic switch valve 232 are disconnected.

[0062] In some embodiments of the present specification, the electromagnetic switch valve 23 and the flow control valve 22 are integrally arranged on the gas inlet pipeline 24. In this embodiment, the electromagnetic switch valve and the flow control valve can be integrally arranged on the gas inlet pipeline. In this embodiment, by using the electromagnetic switch valve already in the gas stove to disconnect the gas inlet pipeline when the gas concentration exceeds the standard, the stove can be turned off without changing the internal structure of the gas stove or increasing the cost, reducing the risk of explosion caused by the leaked combustible gas contacting the open flame, so that the safety protection of kitchen gas can be conveniently and reliably achieved, ensuring the safety of gas and fire in the kitchen environment.

[0063] In some embodiments of the present specification, the flow regulating valve 22 may be a mechanical valve. The gas stove 20 has a transmission structure disposed between the mechanical valve and the electromagnetic switch valve 23. When the mechanical valve is in a pressed state, the electromagnetic switch valve 23 can be opened through the transmission structure. When the user turns on the gas stove, the mechanical valve is pressed, and when the mechanical valve is in a pressed state, the electromagnetic switch valve 23 can be opened through the transmission mechanism, so that the burner 21 burns. When the burner burns, if the thermocouple 24 detects a flame, the electromagnetic switch valve 23 can be maintained in an open state.

[0064] Please refer to Figure 7 , shows a schematic diagram of the structure of the burner in the embodiment of this specification. Figure 7 As shown, in some embodiments of the present specification, the burner 21 has a burner head 213, a pot support 214 and an energy collecting cover 215. The pot support 214 is arranged around the burner head 213 and is used to support the pot. The energy collecting cover 215 is detachably connected to the pot support 214. The energy collecting cover 215 is used to make the combustible gas fully burn, improve the combustion effect, and avoid the adverse effects of incomplete combustion of the combustible gas on kitchen safety.

[0065] Please refer to Figure 8 and Fig. 9 , respectively showing a stereoscopic view and a perspective view of the energy collecting cover in the embodiment of this specification. Figure 8 and Fig. 9 As shown, the lower end of the body of the energy collecting cover 215 is provided with at least a partially upward flange 2151. The flange 2151 can be used to store water to prevent the water from extinguishing the burner. The upward flange 2151 can guide the air used to mix with the combustible gas to ensure smooth flow of air, thereby ensuring the full combustion of the combustible gas, improving the combustion effect, and avoiding the adverse effects of incomplete combustion of the combustible gas on kitchen safety. The flange 2151 surrounds a lower through hole 2153 for the burner head 213 to pass through.

[0066] like Figure 8 and Fig. 9As shown, in some embodiments of the present specification, the body of the energy gathering cover 215 is provided with a slot hole 2152 located above the lower through hole 2153 for the legs of the pot rack 214 to pass through, and the slot hole 2152 is connected to the lower through hole 2153 .

[0067] like Figure 8 and Fig. 9 As shown, in some embodiments of the present specification, a support block 2154 for supporting the energy collecting cover 215 is connected below the flange 2151 of the energy collecting cover 215. There is a gap between the energy collecting cover 215 and the panel of the gas stove 20 for air to flow from the outside to the burner 213. The length direction of the support block 2154 is consistent with the radial direction of the lower through hole 2153. In this embodiment, by making the length direction of the support block consistent with the radial direction of the lower through hole, the obstruction of the air flowing into the gap of the burner from the outside can be reduced, so that the gas can be fully burned, the combustion effect is improved, and the adverse effect of insufficient combustion of the combustible gas on kitchen safety is avoided.

[0068] In some embodiments of this specification, the gas stove 20 also has an ignition needle, which is used to ignite the gas so that the burner burns. Fig.10 , shows a schematic diagram of the structure of the ignition needle in an embodiment of this specification. Fig.10 As shown, the ignition needle 216 has a positioning step 2161 for positioning the ignition needle 216, and the diameter of the positioning step 2161 gradually increases from top to bottom. In this embodiment, the diameter of the positioning step of the ignition needle is changed from a sudden change in the prior art to a gradual increase, which can reduce stress concentration points, reduce deformation risks, ensure the reliability of ignition, avoid continuous leakage of gas caused by unsuccessful ignition, and ensure the safety of gas use in the kitchen.

[0069] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. For details, please refer to the description of the above-mentioned related processing related embodiments, and no further description is given here.

[0070] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of this specification should not be determined with reference to the above description, but should be determined with reference to the preceding claims and the full scope of equivalents to which these claims belong.

[0071] The above description is only the preferred embodiment of this specification and is not intended to limit this specification. For those skilled in the art, the embodiments of this specification may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this specification shall be included in the protection scope of this specification.

Claims

1. A smoke stove system, characterized in that: The smoke stove system comprises: a range hood, a gas stove and a combustible gas concentration sensor device, wherein a gas sensor is arranged in a housing of the combustible gas concentration sensor device; an opening is arranged on the surface of the housing of the combustible gas concentration sensor device, and the gas sensor detects at least the concentration of combustible gas in the air through the opening; the combustible gas concentration sensor device is communicatively connected to the range hood, and the range hood is communicatively connected to the gas stove; The gas stove comprises a burner, a gas inlet pipeline connected to the burner and used to supply combustible gas to the burner, and an electromagnetic switch valve and a flow regulating valve arranged in series on the gas inlet pipeline, wherein the electromagnetic switch valve is used to open or close the gas inlet pipeline, and the flow regulating valve is used to adjust the gas flow of the gas inlet pipeline; The gas stove also includes a pulse igniter and a thermocouple. The thermocouple, the pulse igniter, and the electromagnetic switch valve are connected in series to form a loop. The thermocouple is used to maintain the open state of the electromagnetic switch valve when the flame of the burner is detected, and the pulse igniter is used to close the electromagnetic switch valve when a disconnect signal from the range hood is received.

2. The smoke stove system according to claim 1, characterized in that: The gas stove includes at least two burners arranged on the left and right, the gas intake pipeline includes a gas intake main pipeline and at least two gas intake branch pipelines, one end of the at least two gas intake branch pipelines are respectively connected to the at least two burners arranged on the left and right, and the other end of the at least two gas intake branch pipelines are connected to the gas intake main pipeline, and the electromagnetic switch valve and the flow regulating valve are arranged in series on the at least two gas intake branch pipelines.

3. The smoke stove system according to claim 1, characterized in that: The electromagnetic switch valve and the flow regulating valve are integrally arranged on the gas intake pipeline.

4. The smoke stove system according to claim 3, characterized in that: The flow regulating valve is a mechanical valve, and the gas stove has a transmission structure arranged between the mechanical valve and the electromagnetic switch valve. When the mechanical valve is in a pressed state, the electromagnetic switch valve can be opened by the transmission structure.

5. The smoke stove system according to claim 1, characterized in that: The range hood has a first wireless communication module, and the gas stove has a second wireless communication module. The second wireless communication module is used to receive signals from the first wireless communication module and is connected to the pulse igniter via a data line.

6. The range hood system according to claim 5, characterized in that: The combustible gas concentration sensor device is connected to the controller of the range hood via a data line, and the controller of the range hood is connected to the first wireless communication module via a data line.

7. The range hood system according to claim 5, characterized in that: The first wireless communication module and the second wireless communication module include a Bluetooth module or a WIFI module.

8. The range hood system according to claim 1, characterized in that: The range hood has a smoke inlet, and the opening of the shell of the combustible gas concentration sensor device is arranged higher than the smoke inlet.

9. The range hood system according to claim 1, characterized in that: The burner comprises a burner head, a pot rack arranged around the burner head and an energy collecting cover detachably connected to the pot rack. The lower end of the body of the energy collecting cover is provided with a flange at least partially facing upwards, and the flange forms a lower through hole for the burner head to pass through.

10. The range hood system according to claim 9, characterized in that: The body of the energy gathering cover is provided with a slot hole located above the lower through hole for the legs of the pot rack to pass through, and the slot hole is connected to the lower through hole.

11. The range hood system according to claim 9, characterized in that: A support block for supporting the energy collecting hood is connected below the flange of the energy collecting hood. A gap is provided between the energy collecting hood and the panel of the gas stove for air to flow from the outside to the burner head. The length direction of the support block is consistent with the radial direction of the lower through hole.

12. The range hood system according to claim 1, characterized in that: The gas stove also has an ignition needle, which is used to ignite the combustible gas. The ignition needle has a positioning step portion for positioning the ignition needle, and the diameter of the positioning step portion gradually increases from top to bottom.

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