CN216848942U - Gas leakage treatment system and main system - Google Patents
Gas leakage treatment system and main system Download PDFInfo
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- CN216848942U CN216848942U CN202122908058.4U CN202122908058U CN216848942U CN 216848942 U CN216848942 U CN 216848942U CN 202122908058 U CN202122908058 U CN 202122908058U CN 216848942 U CN216848942 U CN 216848942U
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Abstract
The utility model provides a fuel gas leakage treatment system and a main system, wherein the fuel gas leakage sensor is used for detecting the fuel gas concentration in a set space, and when the fuel gas concentration is in a preset concentration range, an exhaust device is controlled by a controller to exhaust air in the set space. In the method, when the detected gas concentration is higher than the lower limit of the preset concentration range, the gas leakage is determined; after the concentration of the fuel gas is determined to be lower than the upper limit of the concentration range and the exhaust device arranged in the set space is controlled to exhaust the air in the set space after the exhaust is ensured not to cause explosion, the safety of the use of the fuel gas is improved, and accidents are avoided.
Description
Technical Field
The utility model relates to the technical field of safety monitoring, in particular to a gas leakage processing system and a main system.
Background
In the related art, a gas leakage sensor may be installed indoors in order to detect whether gas leaks in an indoor environment such as a kitchen. When the combustible gas concentration detected by the gas leakage sensor exceeds a preset concentration threshold value, an alarm signal can be sent out or actions such as closing a gas valve can be executed. However, gas leakage still exists in the kitchen, and cannot be discharged outdoors in time, so that certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a gas leakage processing system and a main system thereof to improve the safety of gas usage.
In a first aspect, an embodiment of the present invention provides a gas leakage processing system, which includes a controller, a gas leakage sensor, and an exhaust device; the controller is respectively connected with the gas leakage inductor and the exhaust device: the gas leakage inductor and the exhaust device are arranged in the set space; the gas leakage sensor is used for detecting the gas concentration in the set space; the controller is used for controlling the air exhaust device to exhaust air in the set space when the gas concentration is in a preset concentration range.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the exhaust device includes an exhaust main machine and a sub-exhaust fan; the sub-exhaust fans are arranged in the set space; the exhaust main machine is communicated with the sub-exhaust fans through a main exhaust pipe; the exhaust main machine is communicated with the external space of the set space; the controller is used for controlling the sub-exhaust fans to extract the air in the set space when the gas concentration is within the preset concentration range, and controlling the exhaust main machine to exhaust the air extracted by the sub-exhaust fans to the external space of the set space through the main exhaust pipe.
With reference to the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the setting space includes a plurality of setting spaces; the sub-exhaust fans comprise a plurality of sub-exhaust fans; at least one sub-exhaust fan and a fuel gas leakage inductor are arranged in a set space; the controller prestores corresponding relations between the gas leakage inductors and the exhaust devices in all the set spaces; the controller is also used for determining a sub-exhaust fan corresponding to the gas concentration based on the target gas leakage sensor and the corresponding relation between the gas leakage sensor and the exhaust device in each set space when the gas concentration is in a preset concentration range; the gas concentration is sent to the controller by the target gas leakage inductor.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where the controller is further configured to determine, based on the received gas concentration, the number of sub-blowers to be controlled; the gas concentration corresponding to the sub-exhaust fans to be controlled is in a preset concentration range; determining the working frequency of the main exhaust fan based on the number of the sub-exhaust fans to be controlled; the working frequency is equal to the sum of the preset initial frequency of the exhaust main machine and the product of the number of the sub-exhaust fans to be controlled and the preset unit frequency.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the sub-exhaust fan includes a flow distribution valve and a fan; the controller is also used for determining the opening degree of each flow distribution valve in the sub-exhaust fans to be controlled based on the pre-acquired floor parameters of the set space corresponding to the sub-exhaust fans to be controlled and the number of the sub-exhaust fans to be controlled; the control flow distribution valve is opened to the corresponding determined opening degree.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the sub-exhaust fan further includes an air make-up valve; the air supplementing valve is used for opening when the fan extracts air in the set space and supplementing air into the set space.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the controller is further configured to obtain a current operating gear of a fan to be controlled; and if the current operating gear is not the preset maximum gear, controlling the fan to be controlled to operate at the maximum gear.
With reference to the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, where the system further includes an alarm device; the alarm device is connected with the controller; the controller is also used for controlling the alarm equipment to send out an alarm signal when the concentration of the fuel gas exceeds the concentration range.
With reference to the third possible implementation manner of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where the sub-exhaust fan includes a range hood and a flow distribution valve; the working state of the range hood comprises using or not using; the controller is also used for acquiring the working state of the range hood, determining the working state of the range hood to be controlled as the number of the range hoods in use; determining the opening degree of a flow distribution valve of the range hood in the working state in use through a preset algorithm based on the pre-acquired floor parameters of the set space corresponding to the range hood in use in the working state and the number of the range hoods in use in the working state; increasing the determined opening degree of the flow distribution valve of the range hood to be controlled by a set angle value, and determining the opening degree of the flow distribution valve of the range hood to be controlled; the control flow distributing valve is opened to the corresponding determined opening degree.
In a second aspect, an embodiment of the present invention further provides a gas leakage processing method, where the method is applied to the system; the system comprises a controller, a gas leakage inductor and an exhaust device; the method comprises the following steps: the gas leakage sensor detects the gas concentration in the set space; the controller controls the air exhaust device to exhaust air in the set space when the gas concentration is in the preset concentration range.
The embodiment of the utility model has the following beneficial effects:
the embodiment of the utility model provides a gas leakage processing system and a main system, wherein a gas leakage sensor is used for detecting the gas concentration in a set space, and when the gas concentration is in a preset concentration range, an exhaust device is controlled by a controller to exhaust air in the set space. In the method, when the detected gas concentration is higher than the lower limit of a preset concentration range, the gas leakage is determined; after the concentration of the fuel gas is determined to be lower than the upper limit of the concentration range and the exhaust device arranged in the set space is controlled to exhaust air in the set space after the explosion caused by the exhaust is ensured, the safety of the use of the fuel gas is improved, and the occurrence of accidents is avoided.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a gas leakage processing system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another gas leakage processing system according to an embodiment of the present invention;
FIG. 3 is a logic diagram illustrating operation of a gas leakage handling system according to an embodiment of the present invention;
fig. 4 is a flowchart of a gas leakage processing method according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, a gas leakage sensor is installed in a residential kitchen, when the concentration of combustible gas exceeds a set value in a controller or a control circuit, the set concentration is usually 0.1% -0.5%, the gas leakage sensor can send out an alarm signal, and the controller executes actions such as closing a gas valve and the like through an actuator or an execution circuit. Personnel need to manually open the window or automatically open the kitchen window through a certain device, and natural ventilation is achieved. When a high-air-tightness kitchen such as a passive house is encountered, an openable window is not generally arranged, the window opening is unlikely to be realized, and manual operation is necessary. If gas leaks in the kitchen, the gas cannot be discharged outdoors in time, and certain potential safety hazards exist.
Based on the above technical problem, the gas leakage processing system and the main system provided by the embodiment of the utility model can be applied to various closed environments using gas.
For the convenience of understanding the present embodiment, a detailed description will be given to a gas leakage processing system disclosed in the present embodiment.
The embodiment of the utility model provides a gas leakage treatment system. As shown in fig. 1, the system includes a controller 10, a gas leakage sensor 20, and an exhaust device 30; the controller is respectively connected with the gas leakage inductor and the exhaust device: the gas leakage inductor and the exhaust device are arranged in the set space; the gas leakage sensor is used for detecting the gas concentration in the set space; the controller is used for controlling the air exhaust device to exhaust air in the set space when the gas concentration is in a preset concentration range.
The gas leakage sensor can detect low-concentration combustible gas in the surrounding environment, and transmits a detection signal containing gas concentration information to the controller by using an analog quantity or a digital quantity through the sampling circuit. The setting space may be an indoor space using gas, such as a kitchen space.
After receiving the detection signal, the controller determines the gas concentration and compares the gas concentration with the lower limit and the upper limit of a preset concentration range; when the gas concentration is higher than the lower limit, it may be determined that a gas leakage event occurs, however, if the gas concentration is higher than the upper limit, since an electric spark may be generated at the time of starting the exhaust device, the exhaust operation may not be performed. When the gas concentration is lower than the lower limit, the exhaust device can be controlled to exhaust air in the set space so as to reduce the gas concentration in the set space.
In the concrete implementation process, the air exhaust device comprises an air exhaust main machine and a sub-air exhaust machine; the sub-exhaust fans are arranged in the set space; the air exhaust main machine is communicated with the sub-exhaust fans through a main air exhaust pipe; the air exhaust main machine is communicated with the external space of the set space; the controller is used for controlling the sub-exhaust fans to extract air in the set space when the concentration of the fuel gas is within the preset concentration range, and controlling the exhaust main machine to exhaust the air extracted by the sub-exhaust fans to the external space of the set space through the main exhaust pipe.
In some scenarios, a central range hood may be used as the exhaust device, where the central range hood includes a main unit (corresponding to the main exhaust unit) and a terminal unit (corresponding to the sub-exhaust fan), where the main unit is a device installed at an outlet of a common flue of a house roof, and has an auxiliary exhaust function for oil smoke in the common flue, and the device includes a fan inside; the terminal machine is a range hood which is arranged in a kitchen and comprises a fan; and a device for controlling a plurality of kitchen fumes discharged through the common flue (also called a common exhaust duct, and corresponding to the main exhaust duct) by the terminal unit and the main unit communicating with each other in a wired or wireless manner.
An air exhaust device can be arranged for a multi-storey building. Each kitchen in the building can be used as the set space. Therefore, the setting space includes a plurality of spaces. Correspondingly, the sub-exhaust fans also comprise a plurality of sub-exhaust fans; at least one sub-exhaust fan and a gas leakage inductor are arranged in a set space; the controller prestores the corresponding relation between the gas leakage sensor and the exhaust device in each set space; when the gas concentration is in a preset concentration range, the controller determines sub-exhaust fans corresponding to the gas concentration based on the target gas leakage sensor and the corresponding relation between the gas leakage sensors and the exhaust devices in each set space; wherein, the gas concentration is sent to the controller by the target gas leakage inductor. The corresponding relation may be that the gas leakage sensor and the exhaust device in each set space are numbered, and the gas leakage sensor and the exhaust device in one set space are set to be corresponding and indicated by numbers.
When more than one set space has gas leakage, the controller also needs to determine the number of sub-exhaust fans to be controlled based on the received gas concentration; if the gas concentration corresponding to the sub-exhaust fans is in the preset concentration range, determining the sub-exhaust fans to be controlled, and counting to obtain the final quantity; then determining the working frequency of the main exhaust fan based on the number of the sub-exhaust fans to be controlled; the working frequency is usually equal to the sum of the preset starting frequency of the main exhaust fan and the product of the number of sub-exhaust fans to be controlled and the preset unit frequency.
In general, the sub-exhaust fans are composed of flow distribution valves and fans; the controller needs to determine the opening degree of each flow distribution valve in the sub-exhaust fans to be controlled based on the pre-acquired floor parameters of the set space corresponding to the sub-exhaust fans to be controlled and the number of the sub-exhaust fans to be controlled, and then control the opening degree of the flow distribution valve to be correspondingly determined. For the same fan, the larger the opening degree of the flow distribution valve is, the higher the efficiency of air extraction is. The fans positioned on different floors have different opening degrees of the flow distribution valves when the air pumping efficiency is the same; generally, the lower the floor, the greater its opening. When the fans are turned on more, the opening degree of the flow distribution valve is larger for the same fan to achieve the preset efficiency. The above-mentioned process of determining the opening degree usually adopts a general algorithm in this field, which is not described herein.
When the central range hood is used as the exhaust device, the sub-exhaust fans comprise range hoods and flow distribution valves. Since the range hood may also be turned on when the user cooks, the operating state of the range hood may be in use or not in use. When determining the opening degree, all the range hoods in use need to be considered.
Specifically, the controller needs to acquire the working state of the range hood, determine the working state of the range hood to be controlled as the number of the range hoods in use; determining the opening degree of a flow distribution valve of the range hood in the use working state through a preset algorithm based on the floor parameters which are obtained in advance and correspond to the set space of the range hood in the use working state and the number of the range hoods in the use working state; and increasing the determined opening degree of the flow distribution valve of the range hood to be controlled by a set angle value, determining the opening degree of the flow distribution valve of the range hood to be controlled, and further controlling the opening degree of the flow distribution valve to be correspondingly determined. The set angle value may be 5 ° or the like, and an increase in the set angle value may improve the efficiency of extracting air from the set space where the gas leakage occurs.
In order to extract the air in the set space with high efficiency, the sub-exhaust fan usually comprises an air compensating valve; the air compensating valve is used for opening when the fan extracts the air in the set space and compensating the air in the set space.
In order to improve the efficiency of extracting the air in the set space, the controller needs to acquire the current operating gear of the fan to be controlled; and if the current operating gear is not the preset maximum gear, controlling the fan to be controlled to operate at the maximum gear.
When the gas concentration is too high, alarm processing is needed. Correspondingly, the system also comprises an alarm device; the alarm device is connected with the controller; the controller is also used for controlling the alarm equipment to send out an alarm signal when the concentration of the fuel gas exceeds the concentration range.
The embodiment of the utility model provides a gas leakage processing system, which detects the gas concentration in a set space through a gas leakage sensor, and controls an exhaust device to exhaust air in the set space through a controller when the gas concentration is in a preset concentration range. In the method, when the detected gas concentration is higher than the lower limit of a preset concentration range, the gas leakage is determined; after the concentration of the fuel gas is determined to be lower than the upper limit of the concentration range and the exhaust device arranged in the set space is controlled to exhaust air in the set space after the explosion caused by the exhaust is ensured, the safety of the use of the fuel gas is improved, and the occurrence of accidents is avoided.
The embodiment of the utility model also provides another gas leakage treatment system. The system is implemented on the basis of the system shown in fig. 1. As shown in fig. 2, the system includes: the device comprises a main machine, a main exhaust pipe, a flow distribution valve, a fuel gas leakage sensor, a range hood (including a fan) and a kitchen air supply valve. The main machine provides auxiliary power for the system; the flow distribution valve adjusts the exhaust air volume of each floor; the gas leakage sensor monitors the kitchen gas concentration in real time and sends a concentration signal to the flow distribution valve in time; the kitchen air supplement valve supplements outdoor air for the kitchen. The flow distribution valve and the roof host machine are communicated in real time in a wired or wireless communication mode, the gas leakage sensor sends a kitchen gas concentration signal to the flow distribution valve in real time, and the flow distribution valve is interlocked with the range hood and the kitchen air supplement valve.
In addition, in order to realize the function of cutting off the power supply of all electric appliances when the gas leakage threshold value is higher than the gas leakage threshold value, the indoor smoke machine is in communication connection with the indoor power supply main management system and has the function of controlling the power supply to be cut off.
As shown in fig. 3, the system operation logic is as follows:
firstly, the flow distribution valves installed in kitchens of all floors of the same common flue are numbered, and the floor 1 is numbered in sequence until reaching a top floor n.
Gas leakage sensor real-time monitoring of any ith kitchen gas concentration value gi。
giWhen the frequency is less than 0.1%, no gas leakage is considered, when the range hood is opened, the air supplement valve is opened by 90 degrees, the gear is freely controlled by a user, and meanwhile, the main machine determines the opening frequency R of the main machine by a system self-algorithm according to the starting number of the range hood of the systemMainA + x (wherein a is the initial operating frequency of a host computer set by a system algorithm, and the operating frequency of the host computer is increased by 1Hz when 1 normal range hood is started); the flow distribution valve angle adjusts the opening of the valve plate according to the current working condition of the system (the starting number of the range hood and the starting floor information of the range hood) by a system-owned algorithm.
0.1％≤giWhen the gas leakage rate is less than or equal to 1 percent, the gas leakage is considered to occur, and the air supplement valve is opened by 90 degrees. And (3) controlling the range hood: if the range hood in the kitchen is started, firstly judging whether the range hood is operated at the maximum gear, if so, keeping the gear unchanged; if not, automatically adjusting the range hood gear to the maximum gear for operation; if the range hood is not started, the range hood is directly started to operate at the maximum gear. And (3) controlling the running frequency of the host: the host machine determines the running frequency R of the host machine according to the normal starting number x of the oil smoke sucking machine and the starting number y of the gas leakage range hood in the system MainA + x +1.5y (wherein a is the initial operating frequency of the main engine set by the system algorithm, the operating frequency of the main engine is increased by 1Hz when the normal range hood is started, and the operating frequency of the main engine is increased by 1.5Hz when the gas leakage range hood is started. Adjusting the valve angle: adjusting the opening of valve plates of the flow distribution valves according to a system own algorithm, and firstly adjusting the angle of each floor flow distribution valve to a certain opening according to the current working condition of the system (the starting number of the range hood and the starting floor information of the range hood); then the angle of the flow distribution valve of the kitchen with gas leakage is adjusted to be 5 degrees (when the angle exceeds 90 degrees, the angle is calculated according to 90 degrees).
giIf the gas leakage is more than 1%, the gas leakage sensor sends out an alarm signal, and all electrical equipment is not started so as to avoid explosion.
The system realizes the linkage of kitchen gas leakage detection and the range hood, and can intelligently adjust the air quantity of the range hood. The method comprises the steps of automatically detecting and identifying kitchen gas leakage, then intelligently controlling the air quantity of the range hood on each floor, and realizing the lifting of the bottom exhaust air quantity. The kitchen range hood, the flow distribution valve, the kitchen air supply valve, the gas leakage sensor and the roof host are linked to form an exhaust system based on the same unit common exhaust passage, the gas leakage sensor detects the gas leakage concentration in real time, when the gas leakage concentration is found within a set threshold range, the range hood is automatically opened, the air supply valve is opened simultaneously, the host operating frequency is automatically controlled, the opening degree of the flow distribution valve is automatically adjusted according to the system own algorithm and the system working condition, the prior exhaust and ventilation when the gas leaks are ensured, and the exhaust efficiency of the whole system is ensured.
Corresponding to the embodiment, the embodiment of the utility model also provides a main system for processing the gas leakage. As shown in fig. 4, the main system includes the gas leakage processing system 1 and the gas system 2.
The gas leakage processing main system provided by the embodiment of the utility model has the same technical characteristics as the gas leakage processing system provided by the embodiment, so that the same technical problems can be solved, and the same technical effects are achieved.
The gas leakage processing system and the computer program product of the main system provided by the embodiment of the present invention include a computer readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, and will not be described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the embodiments described in the foregoing embodiments, or make equivalent substitutions for some features, within the scope of the disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A gas leakage treatment system is characterized by comprising a controller, a gas leakage inductor and an exhaust device; the controller is respectively connected with the gas leakage inductor and the exhaust device: the gas leakage inductor and the exhaust device are arranged in a set space;
The gas leakage sensor is used for detecting the gas concentration in the set space;
the controller is used for controlling the air exhaust device to exhaust air in a set space when the concentration of the fuel gas is in a preset concentration range;
the exhaust device comprises an exhaust main machine and a sub-exhaust fan; the sub-exhaust fans are arranged in the set space; the air exhaust main machine is communicated with the sub-exhaust fans through a main exhaust pipe; the air exhaust main machine is communicated with the external space of the set space;
the controller is used for controlling the sub-exhaust fan to extract the air in the set space when the gas concentration is within a preset concentration range, and controlling the exhaust host machine to exhaust the air extracted by the sub-exhaust fan to the external space of the set space through the main exhaust pipe.
2. The system according to claim 1, wherein the setting space includes a plurality; the sub-exhaust fans comprise a plurality of sub-exhaust fans; the set space is provided with at least one sub exhaust fan and one gas leakage inductor; the controller is pre-stored with the corresponding relation between the gas leakage sensor and the exhaust device in each set space;
The controller is further used for determining a sub-exhaust fan corresponding to the gas concentration based on a target gas leakage sensor and the corresponding relation between the gas leakage sensor and the exhaust device in each set space when the gas concentration is within a preset concentration range; and the gas concentration is sent to the controller by the target gas leakage sensor.
3. The system of claim 1, wherein the sub-blowers comprise a flow distribution valve and a blower.
4. The system of claim 1, wherein the sub-exhaust blower further comprises an aeration valve; the air supplementing valve is used for opening when the fan extracts the air in the set space and supplementing the air into the set space.
5. The system of claim 1, further comprising an alarm device; the alarm device is connected with the controller; the controller is also used for controlling the alarm equipment to send out an alarm signal when the gas concentration exceeds the concentration range.
6. The system of claim 1, wherein the sub-exhaust fan comprises a range hood and a flow distribution valve.
7. A gas leak treatment main system comprising the gas leak treatment system according to any one of claims 1 to 6 and a gas system connected to the gas leak treatment system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114005255A (en) * | 2021-11-24 | 2022-02-01 | 杭州老板电器股份有限公司 | Gas leakage treatment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114005255A (en) * | 2021-11-24 | 2022-02-01 | 杭州老板电器股份有限公司 | Gas leakage treatment system and method |
| CN114005255B (en) * | 2021-11-24 | 2023-11-07 | 杭州老板电器股份有限公司 | Gas leakage processing system and method |
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