Gas flow detection device of gas stove and gas stove

Abstract

The utility model provides a gas flow detection device of a gas stove and the gas stove. The gas flow detection device is arranged on a gas pipeline of the gas stove and comprises a gas flow power device (1), a motor (2) and a control module (3). The airflow power device (1) is used for generating kinetic energy and conducting the kinetic energy to the motor (2) when gas flows in the gas pipeline; the motor (2) is used for converting kinetic energy conducted by the airflow power device (1) into electric energy; the control module (3) is used for detecting parameters of electric energy generated by the motor (2) and determining the gas flow of the gas stove based on the parameters. Compared with a plug valve with a mechanical structure in a gas stove, the gas flow detection device provided by the utility model can more accurately obtain the current actual gas flow, so that intelligent control such as dry burning prevention and temperature control of the gas stove can be more accurately carried out, and the safety of the gas stove is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent control of gas stoves, and particularly relates to a gas flow detection device for a gas stove and a gas stove. Background Art

[0002] Conventional gas stoves use a cock valve with a mechanical structure for flow control. When in use, the control circuit board cannot accurately obtain the current actual gas flow and firepower through the mechanical cock valve, which may lead to large errors in aspects such as dry-burning prevention and temperature control of the gas stove, resulting in poor intelligent control effect of the gas stove and poor user experience. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the defect that the current actual gas flow and firepower cannot be accurately obtained through the mechanical cock valve in the prior art, which may lead to large errors in aspects such as dry-burning prevention and temperature control of the gas stove, and provide a gas flow detection device for a gas stove and a gas stove.

[0004] The utility model solves the above technical problem through the following technical solutions:

[0005] The utility model provides a gas flow detection device for a gas stove. The gas flow detection device is arranged on the gas pipeline of the gas stove. The gas flow detection device includes an air flow power device (1), a motor (2) and a control module (3);

[0006] The air flow power device (1) is used for generating kinetic energy and conducting it to the motor (2) when there is gas flow in the gas pipeline;

[0007] The motor (2) is used for converting the kinetic energy conducted by the air flow power device (1) into electric energy;

[0008] The control module (3) is used for detecting the parameters of the electric energy generated by the motor (2) and determining the gas flow of the gas stove based on the parameters.

[0009] Preferably, the gas flow detection device further includes an energy storage module (4);

[0010] The energy storage module (4) is used for storing the electric energy generated by the motor (2) and supplying power to the control module (3).

[0011] Preferably, the energy storage module (4) includes a rechargeable battery (42) and a charging circuit (41);

[0012] The charging circuit (41) is electrically connected to the motor (2) and the rechargeable battery (42) respectively;

[0013] The rechargeable battery (42) is electrically connected to the charging circuit (41) and the control module (3) respectively.

[0014] Preferably, the air flow power device (1) includes a housing (11) and a runner (12);

[0015] The housing (11) is sealingly connected to the gas pipeline;

[0016] The runner (12) is arranged inside the housing (11) and is used for rotating when there is gas flow in the gas pipeline.

[0017] Preferably, the runner (12) of the air flow power device (1) is connected to the rotor of the motor (2) through a transmission mechanism.

[0018] Preferably, the parameters of the electric energy include voltage;

[0019] The control module (3) is specifically configured to detect the voltage of the electric energy generated by the motor (2) and determine the gas flow rate of the gas stove based on the voltage.

[0020] Preferably, the control module (3) is specifically configured to determine the gas flow rate of the gas stove according to the voltage of the electric energy and the mapping relationship between the voltage and the gas flow rate.

[0021] The present utility model also provides a gas stove, and the gas stove includes the gas flow rate detection device of the gas stove as described above.

[0022] The positive and progressive effects of the present utility model are as follows:

[0023] The present utility model provides a gas flow rate detection device. The gas flow is converted into kinetic energy by the air flow power device arranged on the gas pipeline of the gas stove and conducted to the motor. The motor converts the kinetic energy into electric energy. The control module determines the gas flow rate of the gas stove based on the electric energy parameters. Compared with the conventional mechanical structure of the cock valve in the gas stove, the current actual gas flow rate can be obtained more accurately, and the intelligent control of the gas stove such as anti-dry burning and temperature control of the gas stove can be carried out more precisely, improving the safety of the gas stove. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions of the embodiments of this specification, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some examples or embodiments of this specification. For those of ordinary skill in the art, without creative efforts, this specification can also be applied to other similar scenarios based on these drawings.

[0025] Figure 1The first structural schematic diagram of the gas flow detection device of the gas stove according to an embodiment of the present utility model.

[0026] Figure 2 The second structural schematic diagram of the gas flow detection device of the gas stove according to another embodiment of the present utility model.

[0027] Figure 3 The third structural schematic diagram of the gas flow detection device of the gas stove according to another embodiment of the present utility model. Detailed implementation manners

[0028] Next, a preferred embodiment is given and the present utility model will be described more clearly and completely in conjunction with the accompanying drawings.

[0029] Referring to "embodiment" herein means that the specific features, structures or characteristics described in connection with the embodiment may be included in at least one embodiment of the present application. The phrase appears in various positions in the text does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.

[0030] It should be understood that the "system", "module", "unit" and / or "module" used herein is a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, if other words can achieve the same purpose, the said words can be replaced by other expressions.

[0031] As shown herein, unless the context clearly indicates an exception, words such as "a", "an", "one" and / or "the" are not specifically singular and may also include the plural. Generally speaking, the terms "comprising" and "including" only indicate the inclusion of the clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also include other steps or elements.

[0032] The definitions included herein, such as the terms "having", "may have", "including" or "may include" used herein, indicate the existence of the corresponding functions, operations, elements, etc. of the present application, and do not limit the existence of one or more other functions, operations, elements, etc. In addition, it should be understood that the terms "including" or "having" used herein indicate the existence of the features, numbers, steps, operations, elements, parts or combinations thereof described in the specification, and do not exclude the existence or addition of one or more other features, numbers, steps, operations, elements, parts or combinations thereof.

[0033] Embodiment 1

[0034] Please refer to Figure 1, which is the first structural schematic diagram of the gas flow detection device of the gas stove in this embodiment. Specifically, the gas flow detection device is arranged on the gas pipeline of the gas stove, and the gas flow detection device includes an air flow power device (1), a motor (2) and a control module (3);

[0035] The air flow power device (1) is used to generate kinetic energy and conduct it to the motor (2) when there is gas flow in the gas pipeline;

[0036] The motor (2) is used to convert the kinetic energy conducted by the air flow power device (1) into electrical energy;

[0037] The control module (3) is used to detect the parameters of the electrical energy generated by the motor (2) and determine the gas flow of the gas stove based on the parameters.

[0038] Please refer to Figure 2 , which is the second structural schematic diagram of the gas flow detection device of the gas stove in this embodiment. In an optional implementation manner, the gas flow detection device further includes an energy storage module (4); the energy storage module (4) is used to store the electrical energy generated by the motor (2) and supply power to the control module (3).

[0039] Specifically, the energy storage module (4) includes a rechargeable battery (42) and a charging circuit (41);

[0040] The charging circuit (41) is electrically connected to the motor (2) and the rechargeable battery (42) respectively; specifically, since the gas intake of the gas stove is unstable during actual use, the electrical energy generated by the motor (2) is also unstable, and the charging circuit (41) can be provided with functions of voltage stabilization, current stabilization, energy storage and battery protection to improve the safety of battery charging.

[0041] The rechargeable battery (42) is electrically connected to the charging circuit (41) and the control module (3) respectively.

[0042] Please refer to Figure 3 , which is the third structural schematic diagram of the gas flow detection device of the gas stove in this embodiment. In another optional implementation manner, the air flow power device (1) includes a housing (11) and a runner (12); the housing (11) is hermetically connected to the gas pipeline; the runner (12) is arranged inside the housing (11) and is used to rotate when there is gas flow in the gas pipeline.

[0043] Specifically, the runner (12) of the air flow power device (1) is connected to the rotor of the motor (2) through a transmission mechanism. The transmission mechanism includes but is not limited to a transmission shaft, a transmission belt, a gear, etc., Figure 3 select to connect the runner (12) and the rotor of the motor (2) by using a transmission shaft among

[0044] In this embodiment, the parameters of the electric energy include voltage; the control module (3) is specifically configured to detect the voltage of the electric energy generated by the motor (2) and determine the gas flow rate of the gas stove based on the voltage.

[0045] Specifically, the control module (3) is specifically configured to determine the gas flow rate of the gas stove according to the voltage of the electric energy and the mapping relationship between the voltage and the gas flow rate. In the actual use of the gas stove, the greater the gas flow rate, the higher the voltage generated by the motor. The mapping relationship between the voltage and the gas flow rate can be established in advance through experimental data. For example, a corresponding table of voltage and gas flow rate can be established, the voltage range is divided into several grades, and the corresponding gas flow rate is also divided into several grades. By looking up the table, the firepower grade can be corresponding to the voltage grade.

[0046] The present utility model provides a gas flow detection device. The gas flow is converted into kinetic energy by an air flow power device arranged on the gas pipeline of the gas stove and conducted to the motor. The motor converts the kinetic energy into electric energy. The control module determines the gas flow of the gas stove based on the electric energy voltage parameter and the mapping relationship between the voltage parameter and the gas flow rate. Compared with the conventional mechanical structure cock valve in the gas stove, the current actual gas flow can be obtained more accurately, so as to more precisely perform intelligent control of the gas stove such as preventing the gas stove from dry burning and temperature control, improving the safety of the gas stove; it is also equipped with a charging circuit and a charging battery to collect the electric energy of the motor for the control module to use. The charging circuit can be provided with functions of voltage stabilization, current stabilization, energy storage and battery protection to improve the safety of battery charging.

[0047] Embodiment 2

[0048] This embodiment provides a gas stove, and the gas stove includes the gas flow detection device of the gas stove in Embodiment 1.

[0049] For the gas stove provided by the present utility model, by installing the above gas flow detection device on the gas pipeline, compared with the conventional gas stove equipped with a mechanical structure cock valve, the current actual gas flow can be obtained more accurately, so as to more precisely perform intelligent control of the gas stove such as preventing the gas stove from dry burning and temperature control, improving the safety of the gas stove.

Claims

1. A gas flow detection device for a gas stove, characterized in that: The gas flow detection device is arranged on the gas pipeline of the gas stove, and comprises an air flow power device (1), a motor (2) and a control module (3); The airflow power device (1) is used to generate kinetic energy and transmit it to the motor (2) when there is gas flow in the gas pipeline; The motor (2) is used to convert the kinetic energy transmitted from the airflow power device (1) into electrical energy; The control module (3) is used to detect parameters of the electric energy generated by the motor (2), and determine the gas flow rate of the gas stove based on the parameters.

2. The gas flow detection device for a gas stove according to claim 1, characterized in that: The gas flow detection device also includes an energy storage module (4); The energy storage module (4) is used to store the electric energy generated by the motor (2) and to supply power to the control module (3).

3. The gas flow detection device for a gas stove according to claim 2, characterized in that: The energy storage module (4) comprises a rechargeable battery (42) and a charging circuit (41); The charging circuit (41) is electrically connected to the motor (2) and the rechargeable battery (42) respectively; The rechargeable battery (42) is electrically connected to the charging circuit (41) and the control module (3) respectively.

4. The gas flow detection device for a gas stove according to claim 1, characterized in that: The airflow power device (1) comprises a housing (11) and a rotating wheel (12); The housing (11) is sealed and connected to the gas pipeline; The rotor (12) is arranged inside the housing (11) and is used to rotate when gas flows in the gas pipeline.

5. The gas flow detection device for a gas stove according to claim 4, characterized in that: The impeller (12) of the airflow power device (1) is connected to the rotor of the motor (2) via a transmission mechanism.

6. The gas flow detection device for a gas stove according to claim 1, characterized in that: The parameters of the electric energy include voltage; The control module (3) is specifically used to detect the voltage of the electric energy generated by the motor (2), and determine the gas flow rate of the gas stove based on the voltage.

7. The gas flow detection device for a gas stove according to claim 6, characterized in that: The control module (3) is specifically used to determine the gas flow rate of the gas stove according to the voltage of the electric energy and the mapping relationship between the voltage and the gas flow rate.

8. A gas stove, characterized in that: The gas stove comprises the gas flow detection device for the gas stove according to any one of claims 1-7.

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