Automatic exhaust explosion-proof device for natural gas leakage in kitchen

Abstract

The invention provides an automatic exhaust explosion-proof device for kitchen natural gas leakage, which relates to the technical field of natural gas leakage emergency disposal and comprises a shell, a control module, a monitoring module and an exhaust module. The exhaust module comprises an exhaust opening, an exhaust pipe and an exhaust fan, the exhaust opening communicates with the interior of the shell through the exhaust pipe, the exhaust opening is formed in the position close to a natural gas hose and can rapidly extract leaked natural gas, and the exhaust fan is installed in the shell and electrically connected with the control module; the monitoring module comprises a gas sensor capable of monitoring methane gas concentration and a signal transmitter, the gas sensor is electrically connected with the signal transmitter, and the signal transmitter is electrically connected with the control module; a plug communicated with a power supply is arranged on the shell, the plug is electrically connected with the control module through a connecting wire, and the interior of the shell is communicated with the outside through a discharge pipe. In this way, the concentration of indoor natural gas can be monitored, and the natural gas can be discharged outwards.

Description

Technical Field

[0001] The invention relates to the technical field of emergency disposal of natural gas leakage, and in particular to an automatic exhaust explosion-proof device for natural gas leakage in a kitchen. Background Art

[0002] With the improvement of living standards, natural gas has been widely used in home kitchens as a clean energy. However, natural gas in home kitchens is prone to leakage, especially the delivery hose connected to the gas stove under the gas stove, which is very easy to oxidize due to long-term use, resulting in gas leakage. If it is not discovered in time, it is very easy to explode in the case of open flames and electric sparks, causing serious fires, endangering people's lives and causing economic losses. At present, the natural gas detection equipment available on the market is mainly used to issue alarms. When the natural gas concentration exceeds the set threshold, it will remind the user through sound or light signals. However, this type of equipment can only serve as an early warning, and cannot effectively and timely eliminate the leaked natural gas, thus failing to fundamentally eliminate safety hazards. After a natural gas leak occurs, if the leaked gas cannot be quickly eliminated, even if the user receives an alarm signal, it may cause more serious consequences due to panic or improper handling. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic exhaust explosion-proof device for kitchen natural gas leakage to solve the technical problems existing in the prior art after kitchen natural gas leakage. The preferred technical solutions among the many technical solutions provided by the present invention can produce many technical effects as described below.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The present invention provides an automatic exhaust explosion-proof device for natural gas leakage in a kitchen, comprising a housing, a control module, a monitoring module, and an exhaust module, wherein:

[0006] The air extraction module includes an air extraction port, an exhaust pipe, and an exhaust fan. The air extraction port is connected to the interior of the housing through the exhaust pipe. The air extraction port is installed at the position of the natural gas hose. The exhaust fan is installed in the housing. The exhaust fan is electrically connected to the control module.

[0007] The monitoring module comprises a gas sensor capable of monitoring the concentration of methane gas and a signal transmitter, the gas sensor is electrically connected to the signal transmitter, and the signal transmitter is electrically connected to the control module;

[0008] The shell is provided with a plug connected to a power source, and the interior of the shell is connected to the outside through a discharge pipe, wherein the control module is mounted on the shell.

[0009] Preferably, the shell is provided with an opening, and a plurality of blades, a motor, and a transmission assembly are provided at the position of the opening. The blades are mounted on the transmission assembly, and the motor drives the transmission assembly to move to realize opening and closing of the opening.

[0010] Preferably, the transmission assembly includes a rotating shaft evenly arranged along the transverse direction of the opening, first gears are arranged at both ends of the rotating shaft, a transition gear is arranged between two adjacent first gears, the motor is engaged with one of the first gears so that multiple first gears rotate in the same direction, and the blades are installed on the rotating shaft.

[0011] Preferably, an alarm device is further included, and the alarm device is electrically connected to the control module.

[0012] Preferably, the alarm device is provided with a speaker and a warning light.

[0013] Preferably, the edge of the blade is provided with a sealing portion of a colloid material.

[0014] Preferably, the air suction port is configured to be narrow at the top and wide at the bottom, and a position of the air suction port with a small cross-sectional area is connected to the exhaust pipe.

[0015] Preferably, a battery module is also provided on the housing, and the battery module provides power for the control module.

[0016] The technical solution provided by this application document includes the following beneficial effects:

[0017] The invention provides an automatic exhaust explosion-proof device for natural gas leakage in a kitchen, comprising a shell, a control module, a monitoring module and an exhaust module.

[0018] The air extraction module includes an air extraction port, an exhaust pipe, and an exhaust fan. The air extraction port is connected to the interior of the housing through the exhaust pipe. The air extraction port is installed near the natural gas hose so that the leaked natural gas can be quickly extracted when the natural gas leaks. The exhaust fan is installed in the housing and is electrically connected to the control module.

[0019] The monitoring module includes a gas sensor capable of monitoring the methane gas concentration and a signal transmitter. The gas sensor is electrically connected to the signal transmitter, and the signal transmitter is electrically connected to the control module. The gas sensor transmits the detected natural gas concentration signal to the signal transmitter, and the signal transmitter converts the concentration signal into a wireless signal and sends it to the control module.

[0020] A plug connected to a power source is provided on the shell, the plug is electrically connected to the control module through a connecting line, and the interior of the shell is connected to the outside through a discharge pipe, wherein the control module is installed on the shell.

[0021] This setting can not only monitor the concentration of natural gas indoors, but also discharge natural gas to the outside to ensure people's safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic diagram of the structure of an automatic exhaust explosion-proof device for kitchen natural gas leakage provided in Embodiment 1 of the present invention;

[0024] Figure 2 The figure is a schematic structural diagram showing a rotating assembly according to an exemplary embodiment.

[0025] In the figure: 1. shell; 11. opening; 12. blade; 13. rotating shaft; 14. first gear; 2. control module; 3. detection module; 4. exhaust module; 41. exhaust port; 42. exhaust pipe; 5. plug; 6. alarm device. DETAILED DESCRIPTION

[0026] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0027] This specific embodiment provides an automatic exhaust explosion-proof device for kitchen natural gas leakage, which solves the technical problems existing in the prior art after kitchen natural gas leakage occurs.

[0028] The following is an explanation of the embodiments with reference to the accompanying drawings. In addition, the embodiments shown below do not limit the invention described in the claims. In addition, the entire contents of the configurations shown in the following embodiments are not limited to the solutions required as the invention described in the claims.

[0029] Reference Figure 1-Figure 2The present invention provides an automatic exhaust explosion-proof device for natural gas leakage in a kitchen, comprising a shell 1, a control module 2, a monitoring module 3, and an exhaust module 4, wherein the control module 2 can be installed on the shell 1 or on a wall. If installed on the wall, a shell needs to be provided on the outside of the control module to protect the control module 2. If installed on the shell, space for installing the control module 2 can be reserved on the shell 1.

[0030] The exhaust module 4 includes an exhaust port 41, an exhaust pipe 42, and an exhaust fan. The exhaust port 41 is connected to the interior of the housing 1 through the exhaust pipe 42. Considering that natural gas leakage mainly occurs in the natural gas pipeline, the exhaust port 41 is installed near the natural gas hose so that the leaked natural gas can be quickly extracted when the natural gas leaks. The exhaust fan is installed in the housing 1. The exhaust fan is electrically connected to the control module 2, which facilitates the control module 2 to control the exhaust fan to open and close. Considering that ordinary exhaust fans may generate electric sparks and cause explosions when working, explosion-proof exhaust fans are selected;

[0031] In order to prevent the explosion of natural gas in the exhaust pipe 42, the exhaust pipe 42 should be made of explosion-proof materials. In order to ensure that the exhaust pipe 42 does not interfere with normal kitchen activities, the diameter of the exhaust pipe 42 should not be too large, and the diameter should be guaranteed to be between 8 and 10 cm. Special attention should be paid to the sealing of the connection between the exhaust pipe 42 and the shell 1 to prevent the extracted natural gas from leaking from the connection and causing an explosion. Considering the extraction efficiency of the device, the overall length of the extraction pipeline should not be too long to ensure that the exhaust pipe 42 is as short as possible while being able to discharge natural gas, thereby improving the extraction efficiency, reducing the concentration of natural gas in the exhaust pipe 42 and reducing the risk of explosion. In order to save space to the greatest extent, the exhaust pipe 42 connecting the exhaust port 41 and the shell 1 is connected to the shell 1 from the wall behind the cabinet under the gas stove to discharge the leaked natural gas.

[0032] The monitoring module 3 includes a gas sensor and a signal transmitter capable of monitoring the concentration of methane gas. The gas sensor is electrically connected to the signal transmitter, and the signal transmitter is electrically connected to the control module 2. The gas sensor transmits the detected natural gas concentration signal to the signal transmitter, and the signal transmitter converts the concentration signal into a wireless signal and sends it to the control module 2. The control module 2 controls the opening and closing of the exhaust module 4 according to the received signal. The monitoring module 3 should have anti-interference ability and stable transmission ability to ensure that the signal can be accurately transmitted to the control module 2. The monitoring module 2 is provided with a protective cover to avoid the erosion of oil smoke to ensure the accuracy of natural gas concentration monitoring. It is recommended that the monitoring module be installed under the stove to ensure timely detection of natural gas leaks and monitoring.

[0033] The shell 1 is provided with a plug 5 connected to a power source, the plug 5 is electrically connected to the control module 2 via a connecting line, and the interior of the shell 1 is connected to the outside through a discharge pipe, wherein the control module 2 is mounted on the shell 1 .

[0034] This setting can not only monitor the concentration of natural gas indoors, but also discharge natural gas to the outside to ensure people's safety.

[0035] In addition, the control module 2 is mainly composed of a control chip such as a microprocessor and a signal receiver. The signal receiver should have the ability to accurately and stably receive signals to ensure that the control module 2 can receive and process the signal of the monitoring module 3 according to the preset instructions of the chip after receiving the signal, and start the gas extraction module 4 when the natural gas concentration reaches the warning value. The control module 2 is the core component of the entire system and should be installed near the gas sensor to facilitate receiving the sensor signal. The control unit can use a microprocessor and an integrated circuit, which is responsible for processing the sensor signal and controlling the start of the gas extraction module 4.

[0036] In a further optimized solution, an opening 11 is provided on the housing 1, and a plurality of blades 12, a motor, and a transmission assembly are provided at the position of the opening 11. The blades 12 are mounted on the transmission assembly, and the motor drives the transmission assembly to move to realize the opening and closing of the opening 11. In order to seal the opening, the blades 12 can rotate to open or close the opening. When there is no natural gas leakage, the opening is in an open state to meet the normal use of the range hood. When there is a natural gas leakage, the blades 12 are closed under the control of the control module 2, so that the extracted natural gas can be discharged to the outside by the exhaust module 4 without leakage.

[0037] A further optimized solution is that the transmission assembly includes a rotating shaft 13 evenly arranged along the lateral direction of the opening 11, the rotating shaft 3 is installed on both sides of the opening, first gears 14 are arranged at both ends of the rotating shaft 13, a transition gear is arranged between two adjacent first gears 14, the motor is meshed with one of the first gears 14 to make multiple first gears 14 rotate in the same direction, and the blades 12 are installed on the rotating shaft 13, which can ensure that the blades 12 can close the opening to avoid air leakage.

[0038] Among them, the shell 1 can be installed above the stove and used as a range hood. When there is no natural gas leakage, the opening is open, which is convenient for normal use of the range hood. When a natural gas leak occurs, the blades 12 are closed under the control of the control device 2, so that the extracted natural gas can be discharged to the outside of the room by the exhaust device 4 without leakage.

[0039] A further optimization scheme also includes an alarm device 6, which is electrically connected to the control module 2. In order to prevent the extraction device from being unable to effectively handle the natural gas leakage, the alarm device 6 is electrically connected to the control module 2. When the extraction device is started and still cannot effectively reduce the natural gas concentration in the air for a long time, the alarm device will automatically alarm, thereby further ensuring the safety of the user. The alarm device should be placed in a position where the user can see it in time.

[0040] To further optimize the solution, the alarm device 6 is equipped with a speaker and an indicator light. When a natural gas leak is detected, the alarm device 6 will quickly issue an audible and visual alarm after receiving an instruction from the control module. The alarm device should emit a sufficiently loud sound and bright light to ensure that the user can notice it immediately.

[0041] As a further optimization scheme, a sealing portion of a colloid material is provided at the edge of the blade 12. In order to ensure that the blade can completely form the baffle with the above-described effect, a colloid head should be extended from each blade in the baffle to ensure that there is no gap between the baffles and that natural gas will not leak from between the baffles when the device is in working condition.

[0042] A further optimization scheme is to set the air suction port 41 to be narrow at the top and wide at the bottom for convenience, and the position of the air suction port 41 with a small cross-sectional area is connected to the exhaust pipe 42 to increase the adsorption area.

[0043] To further optimize the solution, a battery module is also provided on the shell 1, and the battery module provides power for the control module 2. The battery should have a long-term power supply effect to ensure the reliability of the device in an emergency situation. It is equipped with a plug that can be connected to the socket for uninterrupted power supply to ensure that the entire device can work around the clock. At the same time, a battery module is provided to ensure uninterrupted operation in the event of a power outage, and the battery module can charge itself when connected to a power source.

[0044] It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. used herein to indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0045] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0046] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

[0047] It is understood that the same or similar parts in the above embodiments can refer to each other, and the content not described in detail in some embodiments can refer to the same or similar content in other embodiments. The multiple schemes provided in this application include their own basic schemes, which are independent of each other and do not restrict each other, but they can also be combined with each other without conflict to achieve multiple effects together.

[0048] Although the embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present application. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present application.

Claims

1. An automatic exhaust explosion-proof device for kitchen natural gas leakage, characterized in that: It comprises a housing (1), a control module (2), a monitoring module (3), and an air extraction module (4), wherein: The air extraction module (4) comprises an air extraction port (41), an exhaust pipe (42), and an exhaust fan; the air extraction port (41) is connected to the interior of the housing (1) via the exhaust pipe (42); the air extraction port (41) is installed at the position of a natural gas hose; the exhaust fan is installed in the housing (1); and the exhaust fan is electrically connected to the control module (2); The monitoring module (3) comprises a gas sensor capable of monitoring the methane gas concentration and a signal transmitter, the gas sensor is electrically connected to the signal transmitter, and the signal transmitter is electrically connected to the control module (2); The shell (1) is provided with a plug (5) connected to a power source, and the interior of the shell (1) is connected to the outside through an exhaust pipe, wherein the control module (2) is mounted on the shell (1).

2. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 1 is characterized in that: The housing (1) is provided with an opening (11), and a plurality of blades (12), a motor, and a transmission assembly are provided at the position of the opening (11); the blades (12) are mounted on the transmission assembly, and the motor drives the transmission assembly to move, so as to realize the opening and closing of the opening (11).

3. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 2 is characterized in that: The transmission assembly comprises a rotating shaft (13) uniformly arranged along the transverse direction of the opening (11); first gears (14) are arranged at both ends of the rotating shaft (13); a transition gear is arranged between two adjacent first gears (14); the motor is meshed with one of the first gears (14) so ​​that the plurality of first gears (14) rotate in the same direction; and the blade (12) is mounted on the rotating shaft (13).

4. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 1 is characterized in that: It also includes an alarm device (6), which is electrically connected to the control module (2).

5. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 4 is characterized in that: The alarm device is provided with a loudspeaker and a warning light.

6. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 2 is characterized in that: The edge of the blade (12) is provided with a sealing portion made of a colloid material.

7. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 1 is characterized in that: The air suction port (41) is configured to be narrow at the top and wide at the bottom, and a position of the air suction port (41) with a small cross-sectional area is connected to the exhaust pipe (42).

8. The automatic exhaust explosion-proof device for kitchen natural gas leakage according to claim 1 is characterized in that: A battery module is also provided on the housing (1), and the battery module provides power for the control module (2).

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