Methanol moisture detection device

Abstract

The utility model discloses a methanol moisture detection device, and relates to the field of methanol detection. The methanol moisture detection device comprises a detection probe, a temperature detection module, a density detection module and a data processing unit; the detection probe is electrically connected with the temperature detection module and the density detection module, and the temperature detection module and the density detection module are electrically connected with the data processing unit; and the data processing unit is used for calculating the moisture content of methanol according to the sample temperature and the sample density obtained by detecting the methanol sample by the temperature detection module and the density detection module. The problem that an existing methanol moisture detection method is poor in convenience is solved.

Description

Technical Field

[0001] The present application relates to the field of methanol detection, and in particular to a methanol moisture detection device. Background Art

[0002] Methanol has become a new type of clean green energy recognized by the global industry and an important choice for building future green energy.

[0003] With the promotion of methanol-powered vehicles, the quality of methanol circulating in the methanol filling market is uneven. Methanol with excessive water content will have a serious impact on automobile engines, so it is particularly important to test the quality of methanol in the market, especially the water content.

[0004] However, the existing method for detecting the water content of methanol is to take samples and send them to the laboratory to detect the water content using the Karl Fischer method or gas chromatography. This method requires expensive instruments and reagents and harsh laboratory conditions. In addition, methanol is a hazardous chemical that is inconvenient to carry, and it is difficult to send methanol samples from filling stations to the laboratory. In other words, the existing method for detecting the water content of methanol is less convenient. Utility Model Content

[0005] The main purpose of the present application is to provide a methanol moisture detection device, aiming to solve the problem that the existing methanol moisture detection method is less convenient.

[0006] To achieve the above-mentioned purpose, the present application provides a methanol moisture detection device, which includes a detection probe, a temperature detection module, a density detection module and a data processing unit;

[0007] The detection probe is electrically connected to the temperature detection module and the density detection module respectively, and the temperature detection module and the density detection module are electrically connected to the data processing unit;

[0008] The data processing unit is used to calculate the methanol moisture content according to the sample temperature and sample density obtained by detecting the methanol sample by the temperature detection module and the density detection module.

[0009] Optionally, the detection probe includes a temperature probe and a density probe;

[0010] The temperature detection module is electrically connected to the temperature probe, and is used to identify the electrical signal transmitted by the temperature probe after the temperature probe is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample;

[0011] The density detection module is electrically connected to the density probe, and is used to identify the electrical signal transmitted by the density probe after the density probe is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample.

[0012] Optionally, the temperature probe and the density probe are isolated from each other by an isolation piece.

[0013] Optionally, the isolation member is an isolation belt, the density probe abuts against one side of the isolation belt, and the temperature probe abuts against the other side of the isolation belt.

[0014] Optionally, the isolating member is an isolating ring, the density probe is arranged on the inner side of the isolating ring, and the temperature probe is arranged on the outer side of the isolating ring.

[0015] Optionally, the methanol moisture detection device further comprises a shell, and the temperature detection module, the density detection module and the data processing unit are accommodated inside the shell;

[0016] An opening portion is provided at one end of the shell, and the opening portion includes a through hole matching the detection probe, and the detection probe extends out of the shell through the through hole.

[0017] Optionally, a waterproof gasket is provided between the detection probe and the through hole to seal the through hole.

[0018] Optionally, a display screen is further provided on the shell, and the display screen is electrically connected to the data processing unit and is used to display the methanol moisture content.

[0019] Optionally, a battery compartment is further provided in the shell, and the battery compartment is used to accommodate batteries to provide power for the temperature detection module, the density detection module and the data processing unit.

[0020] Optionally, the methanol moisture detection device further includes a communication module, which is electrically connected to the data processing unit and is used to send the methanol moisture content to a target terminal.

[0021] The present application proposes a methanol moisture detection device, which includes a detection probe, a temperature detection module, a density detection module and a data processing unit; the detection probe is electrically connected to the temperature detection module and the density detection module respectively, and the temperature detection module and the density detection module are electrically connected to the data processing unit; the data processing unit is used to calculate the methanol moisture content according to the sample temperature and sample density obtained by detecting the methanol sample by the temperature detection module and the density detection module. The present application uses the density difference between methanol and pure water to perform temperature detection and density detection on the methanol sample through the temperature detection module and the density detection module to obtain the sample temperature and sample density of the methanol sample, and the methanol moisture content can be detected by the calculation of the data processing unit. Compared with the method of using Karl Fischer method or gas chromatography to detect the moisture content in the laboratory, the present application effectively improves the convenience and detection efficiency of methanol moisture detection, and the detection process does not require the addition of detection reagents to the methanol sample, thereby reducing the difficulty of handling the methanol sample after the detection is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of the first embodiment of the methanol moisture detection device of the present application;

[0023] Figure 2 A schematic cross-sectional view of a detection probe in an embodiment of the present application;

[0024] Figure 3 Another cross-sectional schematic diagram of the detection probe in the embodiment of the present application;

[0025] Figure 4 This is a structural schematic diagram of the second embodiment of the methanol moisture detection device of the present application;

[0026] Figure 5 for Figure 4 A schematic cross-sectional view of the middle opening;

[0027] Figure 6 This is a schematic structural diagram of the third embodiment of the methanol moisture detection device of the present application.

[0028] Description of Figure Numbers:

[0029] Label name Label name 10 Detection probe 50 case 20 Temperature detection module 51 Opening 30 Density detection module 511 Through hole 40 Data processing unit 52 Waterproof gasket 11 Temperature Probe 53 Display 12 Density probe 54 Battery compartment 13 Isolation belt 55 Communication module 14 Isolation ring

[0030] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] The term "and / or" in this article is merely a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone.

[0033] The terms "first" and "second" in the description and claims of the embodiments of the present application are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0034] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0035] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" 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, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] In order to better describe the technical solution of the present application, the methanol moisture detection device of the present application is described below in combination with some prior art:

[0038] In order to more clearly describe the technical solution of the present application, some of the prior art is combined to illustrate the technical solution of the present application:

[0039] Methanol has become a new type of clean green energy recognized by the global industry and an important choice for building future green energy.

[0040] With the promotion of methanol-powered vehicles, the quality of methanol circulating in the methanol filling market is uneven. Methanol with excessive water content will have a serious impact on automobile engines, so it is particularly important to test the quality of methanol in the market, especially the water content.

[0041] However, the existing method for detecting the moisture content of methanol is to take samples and send them to the laboratory to detect the moisture content using the Karl Fischer method or gas chromatography. This method requires expensive instruments and reagents and harsh laboratory conditions. In addition, methanol is a hazardous chemical that is inconvenient to carry, and methanol samples from filling stations are difficult to send to the laboratory. In other words, the existing method for detecting the moisture content of methanol is less convenient. In addition, the existing detection method also has problems such as low real-time performance, slow detection efficiency, and the methanol samples after detection are hazardous wastes, which are difficult to handle.

[0042] This application uses the density difference between methanol and pure water to perform temperature detection and density detection on the methanol sample through the temperature detection module and the density detection module to obtain the sample temperature and sample density of the methanol sample, and then the water content of the methanol can be detected through calculation by the data processing unit. Compared with the laboratory's method of using the Karl Fischer method or gas chromatography to detect the water content, this application effectively improves the convenience and detection efficiency of methanol water content detection, and the detection process does not require the addition of detection reagents to the methanol sample, thereby reducing the difficulty of handling the methanol sample after the detection is completed.

[0043] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of the first embodiment of the methanol moisture detection device of the present application. The first embodiment of the present application provides a methanol moisture detection device, the methanol moisture detection device includes a detection probe 10, a temperature detection module 20, a density detection module 30 and a data processing unit 40;

[0044] The detection probe 10 is electrically connected to the temperature detection module 20 and the density detection module 30 respectively, and the temperature detection module 20 and the density detection module 30 are electrically connected to the data processing unit 40;

[0045] The data processing unit 40 is used to calculate the methanol moisture content according to the sample temperature and sample density detected by the temperature detection module 20 and the density detection module 30.

[0046] In this embodiment, it should be noted that the detection probe 10 is used to detect the sample temperature and sample density of the methanol sample. The temperature detection module 20 and the density detection module 30 are used to identify the electrical signal fed back by the detection probe 10, so as to obtain the sample temperature and sample density of the methanol sample.

[0047] The temperature detection module 20 may be a module that implements temperature detection based on a thermal resistance temperature measurement method, a thermoelectric temperature measurement method, a radiation temperature measurement method, etc. Taking the thermal resistance temperature measurement method as an example, the detection probe 10 may be made of a conductor material (such as metal materials such as platinum, copper, and nickel) or a semiconductor material (such as metal oxides such as manganese, nickel, and cobalt). The temperature detection module 20 sends a preset electrical signal to the detection probe 10, and after receiving the electrical signal returned by the detection probe, identifies the resistance change of the detection probe 10 and obtains the sample temperature of the methanol sample.

[0048] The density detection module 30 may be a module for realizing density detection based on a static pressure density detection method, a vibration density detection method, etc. Taking the vibration density detection method as an example, the detection probe 10 is controlled to emit a preset ultrasonic wave, and a feedback ultrasonic wave is received after the preset ultrasonic wave propagates in the methanol sample. The density detection module 30 identifies the electrical signal corresponding to the feedback ultrasonic wave returned by the detection probe 10, identifies the change in vibration frequency or amplitude of the feedback ultrasonic wave compared to the preset ultrasonic wave, and obtains the sample density of the methanol sample.

[0049] The data processing unit 40 can be a processing unit such as an MCU (Micro-Controller Unit) or a CPU (Central Processing Unit), and is used to calculate the methanol moisture content based on the sample temperature and sample density obtained by detecting the methanol sample by the temperature detection module 20 and the density detection module 30.

[0050] The methanol moisture detection device in this embodiment includes a detection probe 10, a temperature detection module 20, a density detection module 30 and a data processing unit 40; the detection probe 10 is electrically connected to the temperature detection module 20 and the density detection module 30 respectively, and the temperature detection module 20 and the density detection module 30 are electrically connected to the data processing unit 40; the data processing unit 40 is used to calculate the methanol moisture content according to the sample temperature and sample density obtained by detecting the methanol sample by the temperature detection module 20 and the density detection module 30. Therefore, this embodiment can obtain a methanol sample by sampling the methanol to be tested. Then the detection probe 10 of the methanol moisture detection device is extended into the methanol sample, and the temperature detection module 20 can identify the electrical signal transmitted by the detection probe 10 to obtain the sample temperature of the methanol sample; the density detection module 30 can identify the electrical signal transmitted by the detection probe 10 to obtain the sample density of the methanol sample. The data processing unit 40 can calculate the methanol moisture content of the methanol to be tested through the sample temperature transmitted by the temperature detection module 20 and the sample density transmitted by the density detection module 30.

[0051] Regarding the calculation process of the data processing unit 40. In this embodiment, the target sample density, the methanol reference density and the pure water reference density under the target condition can be obtained according to the sample temperature and the sample density; the moisture content of the methanol to be tested is calculated according to the target sample density, the methanol reference density and the pure water reference density. In this embodiment, it should be noted that the target condition is a pre-specified environmental condition, and the target condition at least includes a target temperature. Exemplarily, the target condition can be a standard condition (i.e., an environmental condition at 20°C and 1 standard atmospheric pressure), or it can be a current condition (i.e., an environmental condition at the current sample temperature and ambient pressure) or other specified environmental conditions.

[0052] As an example, the target condition may be a standard condition. In this embodiment, the target sample density under the standard condition may be obtained by correcting the sample density according to the sample temperature, and the methanol reference density and the pure water reference density under the standard condition may be obtained. Thus, the target sample density, the methanol reference density and the pure water reference density under the standard condition may be obtained. Then, based on the target sample density, the methanol reference density and the pure water reference density, the methanol content and the water content of the methanol to be measured are used as weights to calculate the methanol water content.

[0053] As another example, the target condition may be the current condition, and according to the sample temperature, the methanol reference density and the pure water reference density at the sample temperature are queried and obtained, and the sample density is used as the target sample density. Thus, the target sample density, the methanol reference density and the pure water reference density under the current condition are obtained. Then, according to the target sample density, the methanol reference density and the pure water reference density, the methanol content of the methanol to be measured and the water content of the methanol to be measured are used as weights to calculate the methanol water content.

[0054] Wherein, the calculation formula of the methanol moisture content is as follows:

[0055] W*D1+(100%-W)*D2=Dm;

[0056] Wherein, W is the water content of the methanol, D1 is the reference density of pure water under the target condition, D2 is the reference density of methanol under the target condition, and Dm is the target sample density under the target condition.

[0057] Since the methanol to be tested includes methanol and water, the water content of the methanol to be tested is W, and the methanol content is 100%-W.

[0058] In some embodiments, the detection probe 10 includes a temperature probe 11 and a density probe 12;

[0059] The temperature detection module 20 is electrically connected to the temperature probe 11, and is used to identify the electrical signal transmitted by the temperature probe 11 after the temperature probe 11 is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample;

[0060] The density detection module 30 is electrically connected to the density probe 12 and is used to identify the electrical signal transmitted by the density probe 12 after the density probe 12 is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample.

[0061] In this embodiment, it should be noted that the temperature probe 11 and the density probe 12 in the detection probe 10 can be provided independently or on the same component to simplify the overall structure of the methanol water content detection device. Figure 2 and Figure 3 , Figure 2 is a cross-sectional schematic diagram of a detection probe in an embodiment of the present application, Figure 3 Another cross-sectional schematic diagram of the detection probe in the embodiment of the present application. Since there are certain differences in the detection principles of temperature and density, in some embodiments, the temperature probe 11 and the density probe 12 are isolated by an isolation piece to avoid affecting the detection results of the two. Therefore, in this embodiment, the temperature detection module 20 is electrically connected to the temperature probe 11, and is used to identify the electrical signal transmitted by the temperature probe 11 after the temperature probe 11 is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample; the density detection module 30 is electrically connected to the density probe 12, and is used to identify the electrical signal transmitted by the density probe 12 after the density probe 12 is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample. Figure 2 and Figure 3 As shown, the isolating element can be in the form of an isolating belt 13 or an isolating ring 14 to isolate the temperature probe 11 and the density probe 12. The isolating element can be made of insulating material.

[0062] like Figure 2 As shown, in some embodiments, the isolating member is an isolation belt 13, the density probe 12 is abutted against one side of the isolation belt 13, and the temperature probe 11 is abutted against the other side of the isolation belt 13. Thus, the temperature probe 11 and the density probe 12 are arranged on the same component, simplifying the overall structure of the methanol moisture detection device, and the temperature probe 11 and the density probe 12 are isolated by the isolation belt 13 to avoid affecting the detection results of the two. It is understandable that the isolation belt 13 can be abutted against the temperature probe 11 and the density probe 12 by means of an adhesive, a docking groove, etc.

[0063] like Figure 3As shown, in some embodiments, the isolating member is an isolating ring 14, the density probe 12 is arranged on the inner side of the isolating ring 14, and the temperature probe 11 is arranged on the outer side of the isolating ring 14. In this embodiment, the temperature probe 11 and the density probe 12 are isolated by means of the isolating ring 14. Compared with the method of using the isolating belt 13, the isolation effect between the temperature probe 11 and the density probe 12 in this embodiment is better. It can be understood that when the isolating member is an isolating ring 14, the density probe 12 can be arranged on the inner side of the isolating ring 14, and the temperature probe 11 can be arranged on the outer side of the isolating ring 14. Of course, as another example, the density probe 12 can also be arranged on the outer side of the isolating ring 14, and the temperature probe 11 can also be arranged on the inner side of the isolating ring 14.

[0064] See also Figure 4 , Figure 4 This is a schematic diagram of the structure of the second embodiment of the methanol moisture detection device of the present application. In some embodiments, the methanol moisture detection device further includes a housing 50, and the temperature detection module 20, the density detection module 30 and the data processing unit 40 are accommodated inside the housing 50;

[0065] An opening 51 is formed at one end of the housing 50 . The opening 51 includes a through hole 511 matching the detection probe 10 . The detection probe 10 extends out of the housing 50 through the through hole 511 .

[0066] In this embodiment, the methanol water content detection device further includes a housing 50, a temperature detection module 20, a density detection module 30 and a data processing unit 40 contained in the housing 50; an opening 51 is present at one end of the housing 50, and the opening 51 includes a through hole 511 matching the detection probe 10, and the detection probe 10 extends out of the housing 50 through the through hole 511. Thus, the detection probe 10 can extend out of the housing 50 through the through hole 511 to detect the methanol sample. In this embodiment, the detection probe 10, the temperature detection module 20, the density detection module 30 and the data processing unit 40 are integrated together by means of the housing 50, so that compared with the dispersed modules, this embodiment can effectively improve the convenience of the methanol water content detection device. It is understandable that the power supply of the methanol water content detection device can be powered by an external power cord and / or by a built-in battery.

[0067] In some embodiments, a waterproof gasket 52 is disposed between the detection probe 10 and the through hole 511 to seal the through hole 511. Figure 5 , Figure 5 for Figure 4Schematic diagram of the cross section of the middle opening. Since there may be a gap between the detection probe 10 and the through hole 511, and the methanol moisture detection device in this embodiment is to detect the moisture content in methanol, in order to avoid liquid from penetrating into the shell 50 during the detection process, thereby causing damage to components such as the temperature detection module 20, the density detection module 30 and the data processing unit 40, a waterproof gasket 52 is provided between the detection probe 10 and the through hole 511 to seal the through hole 511, which can effectively improve the sealing and waterproof properties of the methanol moisture detection device and protect the safety of internal components.

[0068] In some embodiments, the housing 50 is further provided with a display screen 53, which is electrically connected to the data processing unit 40 and is used to display the methanol moisture content. Figure 6 , Figure 6 This is a schematic diagram of the structure of the third embodiment of the methanol water content detection device of this application. Figure 6 As shown, a display screen 53 is also provided on the housing 50, and the display screen 53 is electrically connected to the data processing unit 40, so that the data processing unit can transmit the methanol moisture content to the display screen 53 for display. The display screen 53 can be an ink screen, a liquid crystal screen, or other types of screens.

[0069] In some embodiments, a battery compartment 54 is further provided in the housing 50, and the battery compartment 54 is used to accommodate batteries to supply power to the temperature detection module 20, the density detection module 30 and the data processing unit 40. Figure 6 As shown, in this embodiment, an internal power supply solution can be adopted to further improve the convenience of the methanol moisture detection device. A battery compartment 54 is also provided in the housing 50. The battery compartment 54 is used to accommodate batteries and to power the temperature detection module 20, the density detection module 30 and the data processing unit 40. It is understandable that when the methanol moisture detection device also has a display screen 53 and a communication module 55, the display screen 53 and the communication module 55 also need to be powered.

[0070] In some embodiments, the methanol moisture detection device further includes a communication module 55 , which is electrically connected to the data processing unit 40 and is used to send the methanol moisture content to a target terminal.

[0071] In this embodiment, it should be noted that the communication module 55 can be a wireless communication module (such as a Bluetooth module, a wireless fidelity (WIreless-FIdelity, WI-FI) module, etc.), or a wired communication module. The target terminal is a terminal device that requires the methanol moisture content, such as a smart phone, a tablet computer, etc. In this embodiment, the methanol moisture content calculated by the data processing unit 40 is sent to the target terminal through the communication module 55, thereby improving the convenience of data transmission for the methanol moisture content.

[0072] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity / operation / object from another entity / operation / object, and do not necessarily require or imply any such actual relationship or order between these entities / operations / objects; the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0073] As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment. The device embodiment described above is only schematic, and the units described as separate components may or may not be physically separated. Some or all of the modules can be selected according to actual needs to achieve the purpose of the present application scheme. Those of ordinary skill in the art can understand and implement it without paying creative work.

[0074] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0075] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes a number of instructions for a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present application.

[0076] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A methanol water content detection device, characterized in that: The methanol moisture detection device comprises a detection probe, a temperature detection module, a density detection module and a data processing unit; The detection probe is electrically connected to the temperature detection module and the density detection module respectively, and the temperature detection module and the density detection module are electrically connected to the data processing unit; The data processing unit is used to calculate the methanol moisture content according to the sample temperature and sample density obtained by detecting the methanol sample by the temperature detection module and the density detection module.

2. The methanol water content detection device according to claim 1, characterized in that: The detection probe includes a temperature probe and a density probe; The temperature detection module is electrically connected to the temperature probe, and is used to identify the electrical signal transmitted by the temperature probe after the temperature probe is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample; The density detection module is electrically connected to the density probe, and is used to identify the electrical signal transmitted by the density probe after the density probe is inserted into the methanol sample, so as to obtain the sample temperature of the methanol sample.

3. The methanol water content detection device according to claim 2, characterized in that: The temperature probe and the density probe are isolated from each other by an isolation piece.

4. The methanol water content detection device according to claim 3, characterized in that: The isolating member is an isolation belt, the density probe is in contact with one side of the isolation belt, and the temperature probe is in contact with the other side of the isolation belt.

5. The methanol water content detection device according to claim 3, characterized in that: The isolating member is an isolating ring, the density probe is arranged on the inner side of the isolating ring, and the temperature probe is arranged on the outer side of the isolating ring.

6. The methanol water content detection device according to claim 1, characterized in that: The methanol moisture detection device further comprises a housing, wherein the temperature detection module, the density detection module and the data processing unit are accommodated inside the housing; An opening portion is provided at one end of the shell, and the opening portion includes a through hole matching the detection probe, and the detection probe extends out of the shell through the through hole.

7. The methanol water content detection device according to claim 6, characterized in that: A waterproof gasket is provided between the detection probe and the through hole to seal the through hole.

8. The methanol water content detection device according to claim 6, characterized in that: The housing is also provided with a display screen, which is electrically connected to the data processing unit and is used to display the methanol moisture content.

9. The methanol water content detection device according to claim 6, characterized in that: A battery compartment is also provided in the shell, and the battery compartment is used to accommodate batteries to supply power to the temperature detection module, the density detection module and the data processing unit.

10. The methanol water content detection device according to any one of claims 1 to 9, characterized in that: The methanol moisture detection device also includes a communication module, which is electrically connected to the data processing unit and is used to send the methanol moisture content to a target terminal.

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