Gas leak detector

Abstract

The embodiment of the invention discloses a gas leak detector, and relates to the technical field of gas leak detection. The gas leak detector comprises a main body, a sensor gas chamber and a gas collection device, the gas collecting device is connected with the sensor gas chamber; the main body is connected with the sensor gas chamber; the sensor gas chamber is used for storing the leaked gas collected by the gas collection device, and comprises a gas detection sensor for determining an electric signal of the leaked gas; the main body is used for analyzing the electric signal to obtain leakage data of leaked gas and displaying the gas type and the leakage amount; the gas collecting device comprises a pumping device and a telescopic sampling pipe, the pumping device is connected with the telescopic sampling pipe and the sensor gas chamber and used for controlling the telescopic sampling pipe to collect leaked gas and transmitting the leaked gas to the sensor gas chamber, and the gas collecting device can flexibly stretch into a high or narrow or difficult-to-touch area to collect the leaked gas; and the gas is conveyed to the sensor gas chamber, so that the operation difficulty and cost are reduced.

Description

Technical Field

[0001] The embodiments of the present disclosure relate to the technical field of gas leak detection, and in particular to a gas leak detector. Background Art

[0002] As a key device to ensure gas safety in various environments, gas leak detectors are widely used in many fields such as industry, scientific research, medical treatment and daily life. With the advancement of technology and the diversification of application scenarios, higher requirements are placed on the flexibility, scope of application and cost-effectiveness of gas leak detectors.

[0003] At present, gas leak detectors in related technologies adopt fixed structure design, and usually realize gas leak detection by hand-held or fixed installation. However, for gas leaks in high places, narrow spaces or complex terrains, gas leak detectors in related technologies are difficult to effectively detect, and their fixed structure limits their application scope and detection efficiency. Summary of the invention

[0004] The embodiment of the present disclosure provides a gas leak detector.

[0005] In a first aspect, an embodiment of the present disclosure provides a gas leak detector, the gas leak detector comprising:

[0006] Main body, sensor air chamber and gas collection device;

[0007] The gas collection device is connected to the sensor gas chamber, and the main body is connected to the sensor gas chamber;

[0008] The sensor gas chamber is used to store the leaked gas collected by the gas collection device, and the sensor gas chamber includes a gas detection sensor for determining the electrical signal of the leaked gas;

[0009] The main body is used to analyze the electrical signal, obtain the leakage data of the leaked gas, and display the gas type and leakage amount;

[0010] The gas collection device includes a pumping device and a retractable sampling tube. The pumping device is connected to the retractable sampling tube and the sensor air chamber respectively, and is used to control the retractable sampling tube to collect leaked gas and transmit the leaked gas to the sensor air chamber.

[0011] In some embodiments, the subject comprises:

[0012] Display screens and circuit boards;

[0013] The circuit board is connected to the gas detection sensor to analyze the electrical signal and obtain the gas type and leakage amount of the leaked gas;

[0014] The display screen is connected to the circuit board and is used to display the gas type and leakage amount.

[0015] In some embodiments, the subject comprises:

[0016] case;

[0017] The shell is connected with the sensor air chamber and the gas collection device;

[0018] The display screen is located on the surface of the shell, and the circuit board is located inside the shell.

[0019] In some embodiments, the subject comprises:

[0020] A battery is located in the housing and is connected to the circuit board to supply power to the circuit board.

[0021] In some embodiments, the gas collection device comprises:

[0022] Telescopic control device;

[0023] The telescopic control device is connected to the telescopic sampling tube;

[0024] The telescopic control device has a built-in drive motor for controlling the extension or retraction length of the telescopic sampling tube.

[0025] In some embodiments, the gas collection device comprises:

[0026] Control buttons;

[0027] The control button is arranged on the telescopic control device and is connected with the driving motor.

[0028] In some embodiments, the gas collection device comprises:

[0029] handle;

[0030] The handle is connected to the telescopic control device;

[0031] The handle is in the shape of an "E";

[0032] The "E" on the handle is facing opposite to the display screen.

[0033] In some embodiments, the gas collection device comprises:

[0034] Image acquisition device;

[0035] The image acquisition device is arranged on the retractable sampling tube and is used for acquiring images.

[0036] In some embodiments, the retractable sampling tube comprises:

[0037] Filters;

[0038] The filter is built into the retractable sampling tube and is used to filter the collected leaked gas.

[0039] In some embodiments, the shell and the gas collection device are connected by a rotating positioning buckle, the gas collection device is located on the right side of the shell, and the sensor air chamber is located on the left side of the shell.

[0040] In summary, according to an embodiment of the present disclosure, a gas leak detector is provided, comprising a main body, a sensor air chamber and a gas collection device; the gas collection device is connected to the sensor air chamber, and the main body is connected to the sensor air chamber; the sensor air chamber is used to store the leaked gas collected by the gas collection device, and the sensor air chamber includes a gas detection sensor for determining the electrical signal of the leaked gas; the main body is used to analyze the electrical signal, obtain leakage data of the leaked gas, and display the gas type and leakage amount; the gas collection device includes a pumping device and a retractable sampling tube, the pumping device is respectively connected to the retractable sampling tube and the sensor air chamber, and is used to control the retractable sampling tube to collect the leaked gas and transmit the leaked gas to the sensor air chamber, and can flexibly extend into high, narrow or difficult-to-reach areas to collect the leaked gas and transport it to the sensor air chamber, which not only overcomes the defects of fixed structure and limited application of traditional gas leak detectors, but also reduces the operating difficulty and cost, and provides a more efficient and convenient solution for gas safety detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some examples or embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without creative work, and the present disclosure can also be applied to other similar scenarios based on the provided drawings. Unless it is obvious from the language environment or otherwise explained, the same reference numerals in the figures represent the same structure or operation.

[0042] Figure 1 is a structural schematic diagram of a gas leak detector according to an embodiment of the present disclosure;

[0043] Figure 2 It is a specific schematic diagram of an SF6 leakage concentration curve of an embodiment of the present disclosure. DETAILED DESCRIPTION

[0044] The present disclosure is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant inventions, rather than to limit the invention. The described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0045] It should be noted that, for the convenience of description, only the parts related to the relevant invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0046] It should be understood that the "system", "device", "unit" and / or "module" used in the present disclosure 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 word can be replaced by other expressions.

[0047] As shown in the present disclosure and claims, unless the context clearly indicates an exception, the words "a", "an", "a kind" and / or "the" do not refer to the singular, but also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of 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. The elements defined by the sentence "includes a..." do not exclude the existence of other identical elements in the process, method, commodity or device that includes the elements.

[0048] In the description of the embodiments of the present disclosure, unless otherwise specified, " / " means or, for example, A / B can mean A or B; "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present disclosure, "multiple" means two or more than two.

[0049] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0050] Flowcharts are used in this disclosure to illustrate the operations performed by the system according to the embodiments of the present disclosure. It should be understood that the preceding or following operations are not necessarily performed precisely in order. Instead, the various steps may be processed in reverse order or simultaneously. At the same time, other operations may also be added to these processes, or one or more operations may be removed from these processes.

[0051] As a key device to ensure gas safety in various environments, gas leak detectors are widely used in many fields such as industry, scientific research, medical treatment and daily life. With the advancement of technology and the diversification of application scenarios, higher requirements are placed on the flexibility, scope of application and cost-effectiveness of gas leak detectors.

[0052] At present, gas leak detectors in related technologies adopt fixed structure design, and usually realize gas leak detection by hand-held or fixed installation. However, for gas leaks in high places, narrow spaces or complex terrains, gas leak detectors in related technologies are difficult to effectively detect, and their fixed structure limits their application scope and detection efficiency.

[0053] In order to solve the problems in the related technologies, the gas leak detector disclosed in the present invention is designed by integrating the main body, the sensor air chamber and the gas collection device, which significantly improves the flexibility and practicality of detection. Among them, the gas collection device is equipped with a pump suction device and a retractable sampling tube, which can flexibly reach into high, narrow or hard-to-reach areas to collect leaked gas and transport it to the sensor air chamber. The gas detection sensor built into the sensor air chamber can accurately convert the leaked gas into electrical signals, and the main body is responsible for analyzing these signals, determining the type and amount of leaked gas, and intuitively displaying the results. It not only overcomes the defects of traditional gas leak detectors with fixed structures and limited applications, but also reduces the difficulty and cost of operation by optimizing the structure, providing a more efficient and convenient solution for gas safety detection.

[0054] refer to Figure 1 , Figure 1 The figure shows a schematic diagram of the structure of a gas leak detector, which includes:

[0055] Main body 1, sensor air chamber 2 and gas collection device 3;

[0056] The gas collection device 3 is connected to the sensor gas chamber 2, and the main body 1 is connected to the sensor gas chamber 2;

[0057] The sensor gas chamber 2 is used to store the leaked gas collected by the gas collection device. The sensor gas chamber 2 includes a gas detection sensor for determining the electrical signal of the leaked gas;

[0058] The main body is used to analyze the electrical signal, obtain the leakage data of the leaked gas, and display the gas type and leakage amount;

[0059] The gas collection device includes a pumping device and a retractable sampling tube. The pumping device is connected to the retractable sampling tube and the sensor air chamber 2 respectively, and is used to control the retractable sampling tube 3 to collect leaked gas and transmit the leaked gas to the sensor air chamber 2.

[0060] Among them, the maximum capacity of the gas detection sensor can measure five kinds of gases, which can respectively bear discharge chemical principle sensor, laser principle sensor, PID principle sensor, catalytic combustion sensor, thermal conductivity principle sensor, etc. The gas detection sensor is built into the sensor gas chamber.

[0061] The pumping device can be a vacuum pump, and specifically a mini high-power vacuum pump can be used.

[0062] The retractable sampling tube can be made of retractable stainless steel. In the present disclosure, the maximum length can be set to 3.5 meters, and the specific length can be adjusted at any time according to actual needs.

[0063] The pumping device may also be arranged in the main body.

[0064] The gas leak detector disclosed herein is used in an environment of -50°C to 80°C.

[0065] In some embodiments, the main body 1 includes: a display screen and a circuit board; the circuit board is connected to the gas detection sensor for analyzing the electrical signal to obtain the gas type and leakage amount of the leaked gas; the display screen is connected to the circuit board for displaying the gas type and leakage amount.

[0066] Among them, the screen of the display is designed for a large screen, and the screen of the display is less than or equal to 12.7 inches.

[0067] The screen interface units of the display screen can be freely switched among PPM, mg / m3, Vol%, LEL%, PPHM, ppb, mg / L, etc.

[0068] The programs set in the circuit board can include storage, concentration analysis, sound and light alarm, time, temperature analysis, humidity analysis, etc. The maximum storage capacity is 100,000; the hard disk memory is 2G.

[0069] The present disclosure can use the circuit board to analyze the electrical signal to obtain the leakage data of the leaked gas (the leakage data can be the type of leaked gas, the leakage amount, etc.), and generate a leakage concentration curve according to the leakage data. The leakage data and the leakage concentration curve can be uploaded to the cloud platform in real time through the Lora wireless transmission protocol, wherein the leakage concentration curve can be specifically as follows: Figure 2 As shown, Figure 2 It is a specific schematic diagram of the SF6 leakage concentration curve.

[0070] In some embodiments, the main body includes: a shell; the shell is connected to the sensor air chamber 2 and the gas collection device; the display screen is located on the surface of the shell, and the circuit board is located inside the shell.

[0071] The shell can be made of polytetrafluoroethylene material, which has the effects of anti-static, anti-electromagnetic interference, and light weight.

[0072] In some embodiments, the main body 1 includes: a battery, the battery is located in the housing 11, and the battery is connected to the circuit board to supply power to the circuit board.

[0073] The battery may be a lithium battery. The battery power supply in the present disclosure can ensure that the gas leak detector can work continuously for up to 18 hours.

[0074] In some embodiments, the gas collection device includes: a telescopic control device; the telescopic control device is connected to a telescopic sampling tube; the telescopic control device has a built-in drive motor for controlling the extension or retraction length of the telescopic sampling tube.

[0075] In some embodiments, the gas collection device includes: a control button; the control button is arranged on the telescopic control device and connected to the driving motor.

[0076] In some embodiments, the gas collection device includes: a handle; the handle is connected to the telescopic control device, wherein the handle is in an "E" shape or a cylindrical shape; the "E" direction of the handle is opposite to the direction of the display screen 11, and the handle 33 is a straight handle.

[0077] Among them, the handle can be designed according to the structure of the human palm, and the shape of the handle can be adjusted according to the actual structure of the human palm.

[0078] In some embodiments, the gas collection device includes: an image collection device; the image collection device is arranged on the retractable sampling tube and is used to collect images.

[0079] Among them, the image acquisition device can adopt a high-pixel endoscope-level camera with 13 million pixels.

[0080] In some embodiments, the telescopic sampling tube includes: a filter; the filter is built into the telescopic sampling tube and is used to filter the collected leaked gas.

[0081] Among them, the filter in the retractable sampling tube can filter dust, water vapor, etc., and can also use corresponding molecular sieves to filter different gases.

[0082] In some embodiments, the shell and the gas collection device are connected by a rotating positioning buckle 4, the gas collection device is located on the right side of the shell, and the sensor air chamber 2 is located on the left side of the shell.

[0083] In summary, the gas leak detector disclosed in the present invention has a quantitative inspection function, can perform intelligent analysis and prediction based on the linear change of gas leakage, and guide operation and prevention. Its handle design is ergonomic, comfortable to use, and has a good feel; the retractable sampling tube is automated through motor drive, which improves the detection efficiency; the display intuitively displays the leakage change trend, which is convenient for quick judgment.

[0084] The present disclosure is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present disclosure. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0085] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0086] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0087] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0088] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0089] Computer readable media include permanent and non-permanent, removable and non-removable media, and can be implemented by any method or technology to store information. Information can be computer readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disk read-only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary computer readable media (transitory media), such as modulated data signals and carrier waves.

[0090] It will be appreciated by those skilled in the art that the embodiments of the present disclosure may be provided as methods, systems or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0091] The above description is only a preferred embodiment of the present disclosure and an explanation of the technical principles used, and is not intended to limit the present disclosure. For those skilled in the art, the present disclosure may have various modifications and changes. The scope of the invention involved in the present disclosure is not limited to the technical solution formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the present disclosure (but not limited to) to form a technical solution.

Claims

1. A gas leak detector, characterized in that: The gas leak detector comprises: Main body, sensor air chamber and gas collection device; The gas collection device is connected to the sensor air chamber, and the main body is connected to the sensor air chamber; The sensor chamber is used to store the leaked gas collected by the gas collection device, and the sensor chamber includes a gas detection sensor for determining the electrical signal of the leaked gas; The main body is used to analyze the electrical signal, obtain leakage data of the leaked gas, and display the leakage data; The gas collection device includes a pumping device and a retractable sampling tube. The pumping device is connected to the retractable sampling tube and the sensor air chamber respectively, and is used to control the retractable sampling tube to collect leaked gas and transmit the leaked gas to the sensor air chamber.

2. The gas leak detector according to claim 1, characterized in that: The subject includes: Display screens and circuit boards; The circuit board is connected to the gas detection sensor and is used to analyze the electrical signal to obtain the gas type and leakage amount of the leaked gas; The display screen is connected to the circuit board and is used for displaying the leaked data.

3. The gas leak detector according to claim 2, characterized in that: The subject includes: case; The housing is connected to the sensor air chamber and the gas collection device; The display screen is located on the surface of the shell, and the circuit board is located inside the shell.

4. The gas leak detector according to claim 3, characterized in that: The subject includes: A battery is located in the housing and connected to the circuit board to supply power to the circuit board.

5. The gas leak detector according to claim 1, characterized in that: The gas collection device comprises: Telescopic control device; The telescopic control device is connected to the telescopic sampling tube; The telescopic control device has a built-in driving motor for controlling the extension or retraction length of the telescopic sampling tube.

6. The gas leak detector according to claim 5, characterized in that: The gas collection device comprises: Control buttons; The control button is arranged on the telescopic control device and is connected to the driving motor.

7. The gas leak detector according to claim 1, characterized in that: The gas collection device comprises: handle; The handle is connected to the telescopic control device; The handle is in the shape of "E"; The "E" direction of the handle is opposite to the direction of the display screen.

8. The gas leak detector according to claim 1, characterized in that: The gas collection device comprises: Image acquisition device; The image acquisition device is arranged on the telescopic sampling tube and is used for acquiring images.

9. The gas leak detector according to claim 1, characterized in that: The retractable sampling tube comprises: Filters; The filter is built into the telescopic sampling tube and is used for filtering the collected leaked gas.

10. The gas leak detector according to claim 3, characterized in that: The shell is connected to the gas collection device through a rotating positioning buckle. The gas collection device is located on the right side of the shell, and the sensor air chamber is located on the left side of the shell.

Images