Liquid detector

Abstract

The utility model relates to the technical field of liquid detection, in particular to a liquid detector which comprises a shell, a non-metal container detection platform and a metal container detection cavity are arranged at the top of the shell, and a non-metal container detection module is arranged in the non-metal container detection platform. The nonmetal container detection module comprises an ultra-wide-band pulse microwave transmitter and an ultra-wide-band pulse microwave receiver, a metal container detection module is arranged in the metal container detection cavity and comprises an electric heater and a thermoelectric sensor, and a first indicator lamp and a second indicator lamp of a touch operation screen are arranged on the front side of the shell. A detachable bottom plate is arranged at the bottom of the shell, and four leveling pieces are arranged at the bottom of the bottom plate. According to the liquid detector, a non-contact detection method is adopted, and a container is prevented from being opened for sampling, so that the risk of leakage, evaporation or explosion of flammable and explosive liquid is remarkably reduced, the safety of operators is ensured, and potential threats to the surrounding environment are also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid detection technical field, concretely is a kind of liquid detector. BACKGROUND

[0002] In modern industry, laboratory environment and traffic security check passageway, the demand of liquid detection is increasing, especially in chemical industry, food, traffic security check passageway and other fields, the composition and nature of liquid are directly related to production safety, product quality and traffic safety. Most of the traditional liquid detection instruments adopt contact detection method, usually need to open container or directly sample, this not only reduces detection efficiency, but also brings potential safety risk.

[0003] 1. Safety problem:

[0004] In the detection of flammable and explosive liquid, opening container for sampling can cause dangerous leakage, evaporation or explosion. This not only increases the risk of operator, but also can cause serious influence to surrounding environment.

[0005] 2. Low detection efficiency:

[0006] Traditional liquid detection instrument often needs longer time for sampling, analysis and result feedback, which affects the rapid response ability of production and safety management. In some emergency situations, long detection process can cause unable to make safety decision in time.

[0007] 3. Poor material adaptability:

[0008] Some existing liquid detection methods have high requirements for container material. Many instruments can only work effectively in specific types of non-metallic containers, which limits their application range. For example, metal container will hinder the transmission of light, resulting in the inability to use optical detection technology.

[0009] In summary, traditional liquid detection instrument has many deficiencies in rapid, accurate and safe detection, in view of this, we propose a kind of liquid detector. UTILITY MODEL CONTENT

[0010] The utility model aims at providing a kind of liquid detector to solve the problems proposed in the above background technology.

[0011] To achieve the above object, the utility model provides the following technical scheme:

[0012] A liquid detector includes a housing that provides the external structure and support of the liquid detector, protects the internal components, and ensures the stability and integrity of the device. Inside the housing are a circuit board, a processing module, a power module, a storage module, and a cooling fan. The side of the housing is provided with a non-metallic container detection platform, which provides support for placing the non-metallic container to be detected and provides a suitable detection position for the container liquid detection module. The non-metallic container detection platform is provided with a non-metallic container detection module, which can non-contact detect the liquid in the non-metallic container. The non-metallic container detection module includes an ultra-wideband pulse microwave transmitter and an ultra-wideband pulse microwave receiver. The ultra-wideband pulse microwave transmitter transmits microwave signals to the liquid to be detected, so as to analyze the composition and properties of the liquid through the reflected signals. The ultra-wideband pulse microwave receiver receives the microwave signals reflected from the liquid and transmits them to the processing unit for analysis.

[0013] Non-metallic container detection module working principle:

[0014] 1. Pulse transmission: The ultra-wideband pulse microwave transmitter transmits microwave signals modulated by a specific modulation after the device is started. These signals penetrate the material of the container and enter the liquid to be detected. The wall thickness of the non-metallic container: glass / ceramic ≤5mm, plastic ≤3.5mm.

[0015] 2. Signal reflection: The characteristics of the liquid, including the dielectric constant, will cause different degrees of reflection. The composition, density, temperature and impurities of the liquid will affect the reflection intensity and phase of the microwave signal.

[0016] 3. Signal reception: The ultra-wideband pulse microwave receiver receives the microwave signals reflected from the liquid and converts these signals into electrical signals.

[0017] 4. Data processing: The received signals are converted into digital signals and transmitted to the CPU processing module. This module analyzes the characteristics of the reflected signals through algorithms to identify the type and potential risks of the liquid. Changes in the frequency, phase and intensity of the signal can be used to determine the properties of the liquid.

[0018] 5. Detection result output: The detection result is displayed through the touch operation screen, and the first indicator light can also prompt the user about the detection status. The first indicator light is red and green, with red indicating a dangerous solution and green indicating a safe solution.

[0019] The top of the shell and the position close to the left side is provided with a metal container detection cavity, which provides a special space for the detection of metal containers, avoids interference and ensures the accuracy of measurement. The metal container detection cavity is provided with a metal container detection module for detecting the liquid in the metal container by heating and temperature monitoring to determine its type and danger. The metal container detection module includes an electric heater and a thermoelectric sensor. The electric heater heats the metal liquid to be tested to determine the thermal conductivity of the liquid by temperature change. The thermoelectric sensor monitors the temperature of the liquid in the metal container and feeds back the data to the processing module to determine the characteristics of the liquid.

[0020] Metal container detection module working principle:

[0021] 1. Liquid heating: After starting, the electric heater heats the liquid in the metal container to raise the liquid temperature. The power and heating time of the electric heater are adjusted according to the detection requirements to ensure that the liquid can reach the set temperature within a certain time. The wall thickness of the metal container: aluminum, iron ≤0.3mm.

[0022] 2. Temperature monitoring: The thermoelectric sensor continuously monitors the temperature change of the liquid in the metal container and transmits the data to the CPU processing module in real time. The thermoelectric sensor is extremely sensitive to temperature changes and can obtain the temperature reading of the liquid within a short time.

[0023] 3. Thermal conductivity analysis: The liquid in the metal container has different thermal conductivity, and different types of liquid will show different temperature response during heating. The CPU processing module will analyze the thermoelectric sensor data to identify the thermal conductivity and other physical characteristics of the liquid.

[0024] 4. Result feedback: According to the temperature monitoring results and the data of thermal conductivity, the system judges the type of liquid and the possible danger, and feeds back the results to the touch operation screen and the second indicator light in time to ensure that the user can quickly understand the detection situation.

[0025] The front side of the shell and the position close to the right side is provided with a touch operation screen to provide an interactive interface between the user and the device, so that the user can conveniently operate, adjust parameters, view detection results, etc. The front side of the shell and the position close to the non-metal container detection platform is provided with a first indicator light to indicate the working state or detection result of the non-metal container detection module, which is convenient for the user to monitor in real time. The front side of the shell and the position close to the metal container detection cavity is provided with a second indicator light to indicate the working state or detection result of the metal container detection module, which is convenient for the user to monitor in real time.

[0026] The rear side of the shell is provided with a detachable rear side plate, which facilitates maintenance and replacement of internal components, and the bottom of the shell is provided with a detachable bottom plate, which provides structural support for the bottom of the device, and the internal components are fixed on the bottom plate, and the bottom of the bottom plate and the positions close to the four corners are provided with leveling members, the stability of the device is adjusted through the leveling members, the device is kept horizontal on different surfaces, and the container is stably placed.

[0027] Preferably, a side groove is formed in the left side of the shell, and a side groove is also formed in the right side of the shell, which facilitates the staff to carry the liquid detector with both hands.

[0028] Preferably, a plurality of mounting holes a are formed in the rear side of the rear side plate, and a first bolt is connected at the mounting hole a and is threadedly connected to the rear side of the shell, thereby facilitating disassembly and assembly of the rear side plate.

[0029] Preferably, a power supply port, a switch and a multi-port wiring panel are arranged on the rear side of the rear side plate, the power supply port is used for external power connection to provide necessary power for the device, the switch controls the opening and closing of the device, and the multi-port wiring panel is used as a centralized position of a plurality of input / output interfaces to facilitate connection of external devices.

[0030] Preferably, a plurality of mounting holes b are formed in the bottom of the bottom plate, and a second bolt is connected at the mounting hole b and is threadedly connected to the bottom of the shell, thereby facilitating disassembly and assembly of the bottom plate.

[0031] Preferably, the leveling member comprises a fixed block fixedly connected to the bottom of the bottom plate and providing stable support, the bottom of the fixed block is provided with an adjusting block capable of being adjusted up and down, the adjusting block is designed to be capable of being adjusted up and down to adjust the level and stability of the device, and the bottom of the adjusting block is provided with a rubber pad to increase the friction force of the contact surface and prevent the device from sliding.

[0032] Preferably, a threaded groove is formed in the middle of the bottom of the fixed block, a threaded column is arranged in the middle of the top of the adjusting block and is threadedly connected into the threaded groove, the height can be adjusted by rotation, and a plurality of finger grooves are formed in the outer wall of the adjusting block to facilitate rotation of the adjusting block by fingers and improve user experience.

[0033] Compared with the prior art, the liquid detector has the following advantages:

[0034] 1、The liquid detector adopts a non-contact detection method, avoids opening the container for sampling, significantly reduces the risk of leakage, evaporation or explosion of flammable and explosive liquids, ensures the safety of the operator, reduces the potential threat to the surrounding environment, and enhances the overall safety.

[0035] 2、The liquid detector, by integrating ultra-wideband pulse microwave technology and fast temperature detection technology, can complete the detection and analysis of the liquid in a short time. This efficient detection mechanism enables rapid response in modern industry, laboratory and traffic security, etc., improves work efficiency, and is particularly important for rapid decision-making in emergency situations.

[0036] 3、The liquid detector can be applied to various types of liquid containers, including non-metallic (such as glass, plastic) and metal containers. This design feature overcomes the dependence of traditional liquid detection methods on specific container materials, greatly expanding the applicability of the instrument and meeting the liquid detection needs of different occasions.

[0037] 4、The liquid detector, by real-time analysis of microwave signal reflection intensity and temperature change, can accurately identify the composition and potential risks of the liquid. This feature is particularly important in quality control in the chemical and food industries, effectively ensuring product safety and quality.

[0038] 5、The liquid detector is provided with a leveling piece, which can maintain horizontal on different surfaces to provide stable support. The shell is provided with a side groove, which facilitates user's two-handed carrying, enhances the portability of the equipment and the flexibility of on-site use. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 is a whole first perspective structural schematic view of the utility model;

[0040] Figure 2 is a whole second perspective structural schematic view of the utility model;

[0041] Figure 3 is a whole exploded structural schematic view of the utility model;

[0042] Figure 4 is a leveling piece structural schematic view in the utility model;

[0043] In the figure: 1, shell; 10, non-metallic container detection platform; 11, metal container detection cavity; 12, side groove; 2, non-metallic container detection module; 20, ultra-wideband pulse microwave transmitter; 21, ultra-wideband pulse microwave receiver; 3, metal container detection module; 30, electric heater; 31, thermoelectric sensor; 4, first indicator light; 5, second indicator light; 6, touch operation screen; 7, back plate; 70, mounting hole a; 8, bottom plate; 80, mounting hole b; 9, leveling piece; 90, fixed block; 900, threaded groove; 91, threaded column; 92, adjusting block; 920, finger groove; 93, rubber pad; 13, power supply port; 14, switch; 15, multi-port wiring panel; 16, first bolt; 17, second bolt. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0045] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0046] Please refer to Figures 1-4 The present application provides a technical solution:

[0047] A liquid detector comprises a shell 1, which provides the external structure and support of the liquid detector, protects the internal components, and ensures the stability and integrity of the device. The shell 1 is provided with a circuit board, a processing module, a power module, a storage module and a cooling fan. The shell 1 is provided with a cooling hole on the side surface, and a non-metal container detection platform 10 is arranged on the top of the shell 1 and close to the right side. The non-metal container detection platform 10 provides support for placing the non-metal container to be detected and provides a suitable detection position for the container liquid detection module. The non-metal container detection platform 10 is provided with a non-metal container detection module 2, which can non-contact detect the liquid in the non-metal container. The non-metal container detection module 2 comprises an ultra-wideband pulse microwave transmitter 20 and an ultra-wideband pulse microwave receiver 21. The ultra-wideband pulse microwave transmitter 20 transmits microwave signals to the liquid to be detected, so as to analyze the composition and properties of the liquid through the reflected signals. The ultra-wideband pulse microwave receiver 21 receives the microwave signals reflected from the liquid and transmits them to the processing unit for analysis.

[0048] Working principle of the non-metal container detection module 2:

[0049] 1. Pulse transmission: The ultra-wideband pulse microwave transmitter 20 transmits microwave signals modulated by a specific modulation after the device is started. These signals penetrate the material of the container and enter the liquid to be detected. The wall thickness of the non-metal container: glass / ceramic ≤5mm, plastic ≤3.5mm.

[0050] 2. Signal Reflection: The properties of liquids, including permittivity, cause varying degrees of reflection of microwave signals. The composition, density, temperature, and impurities of the liquid can affect the intensity and phase of the reflected microwave signals.

[0051] 3. Signal Reception: The ultra-wideband pulse microwave receiver 21 receives the reflected microwave signals from the liquid and converts them into electrical signals.

[0052] 4. Data Processing: The received signals are converted into digital signals and transmitted to the CPU processing module. This module analyzes the characteristics of the reflected signals through algorithms to identify the type of liquid and potential risks. Changes in the frequency, phase, and intensity of the signals can be used to determine the properties of the liquid.

[0053] 5. Detection Result Output: The detection results are displayed on the touch operation screen 6, and the first indicator light 4 can also indicate the detection status to the user. The first indicator light 4 is red and green, with red indicating a dangerous solution and green indicating a safe solution.

[0054] A metal container detection cavity 11 is provided at the top of the shell 1 near the left side, which provides a dedicated space for the detection of metal containers to avoid interference and ensure the accuracy of the measurement. The metal container detection cavity 11 is provided with a metal container detection module 3 for detecting the liquid in the metal container. The metal container detection module 3 includes an electric heater 30 and a thermoelectric sensor 31. The electric heater 30 heats the metal liquid to be tested to determine the thermal conductivity of the liquid by temperature changes. The thermoelectric sensor 31 monitors the temperature of the liquid in the metal container and feeds the data back to the processing module to determine the properties of the liquid.

[0055] Working principle of the metal container detection module 3:

[0056] 1. Liquid heating: After turning on, the electric heater 30 heats the liquid in the metal container to raise the temperature of the liquid. The power and heating time of the electric heater 30 are adjusted according to the detection requirements to ensure that the liquid can reach the set temperature within a certain time. The wall thickness of the metal container: ≤0.3mm for aluminum and iron materials.

[0057] 2. Temperature monitoring: The thermoelectric sensor 31 continuously monitors the temperature changes of the liquid in the metal container and transmits the data to the CPU processing module in real time. The thermoelectric sensor 31 is extremely sensitive to temperature changes and can obtain temperature readings of the liquid within a short time.

[0058] 3. Thermal conductivity analysis: The liquid in the metal container has different thermal conductivity, and different types of liquid will show different temperature responses during the heating process. The CPU processing module will analyze the data of the thermoelectric sensor 31 to identify the thermal conductivity and other physical properties of the liquid.

[0059] 4. Result feedback: According to the temperature monitoring results and the data of heat conduction characteristics, the system judges the liquid type and possible danger, and timely feedbacks the results to the touch operation screen 6 and the second indicator light 5, ensuring that the user can quickly understand the detection situation;

[0060] The front side of the shell 1 near the right side is provided with a touch operation screen 6, which provides an interactive interface between the user and the device, allowing the user to conveniently operate, adjust parameters, view detection results, etc. The front side of the shell 1 near the non-metal container detection platform 10 is provided with a first indicator light 4, which indicates the working state or detection result of the non-metal container detection module 2, facilitating the user to perform real-time monitoring. The front side of the shell 1 near the metal container detection cavity 11 is provided with a second indicator light 5, which indicates the working state or detection result of the metal container detection module 3, facilitating the user to perform real-time monitoring;

[0061] The rear side of the shell 1 is provided with a detachable rear panel 7, which facilitates maintenance and replacement of internal components. The bottom of the shell 1 is provided with a detachable bottom plate 8, which provides structural support for the bottom of the device. The internal components are fixed to the bottom plate. The bottom of the bottom plate 8 near the four corners is provided with a leveling piece 9, which adjusts the stability of the device to ensure that the device remains level on different surfaces, thereby allowing the container to be placed stably.

[0062] In this embodiment, a side groove 12 is formed on the left side of the shell 1, and a side groove 12 is also formed on the right side of the shell 1, which facilitates the staff to carry the liquid detector with both hands.

[0063] Specifically, a plurality of mounting holes a70 are formed on the rear side of the rear panel 7, and a first bolt 16 is connected at the mounting hole a70. The first bolt 16 is threadedly connected to the rear side of the shell 1, facilitating the disassembly and assembly of the rear panel 7.

[0064] Further, the rear side of the rear panel 7 is provided with a power port 13, a switch 14 and a multi-port wiring panel 15. The power port 13 is used for external power connection to provide necessary power for the device. The switch 14 controls the opening and closing of the device, facilitating user operation. The multi-port wiring panel 15 serves as a centralized location for multiple input / output interfaces, facilitating connection of external devices.

[0065] Further, a plurality of mounting holes b80 are formed on the bottom of the bottom plate 8, and a second bolt 17 is connected at the mounting hole b80. The second bolt 17 is threadedly connected to the bottom of the shell 1, facilitating the disassembly and assembly of the bottom plate 8.

[0066] Further, the leveling piece 9 comprises a fixed block 90 fixedly connected to the bottom of the bottom plate 8, and the fixed block 90 is provided with a height-adjustable adjusting block 92 at the bottom, the height-adjustable design is used for adjusting the level and stability of the equipment, and the bottom of the adjusting block 92 is provided with a rubber pad 93, so that the friction force of the contact surface is increased, and the equipment is prevented from sliding.

[0067] Further, a threaded groove 900 is formed in the middle of the bottom of the fixed block 90, a threaded column 91 is arranged on the middle of the top of the adjusting block 92 and is screwed into the threaded groove 900, the height can be adjusted by rotating, and a plurality of finger grooves 920 are formed in the outer wall of the adjusting block 92, so that the adjusting block 92 is conveniently rotated by fingers, and user experience is improved.

[0068] In use, the liquid detector is connected with an external power supply through the power port 13, so that the equipment can normally obtain power support; then, the liquid detector is turned on through the rear switch 14, and the start interface is displayed on the touch operation screen 6, and the user can check the equipment state and basic information; then, the user selects a corresponding detection mode according to the material of the liquid container to be detected; for a non-metallic container, the user places the container to be detected on the non-metallic container detection platform 10, and ensures that the wall thickness of the container meets the standard; for a metal container, the user places the metal container in the metal container detection cavity 11; and the container also needs to be ensured to be stable; then, the liquid detector is operated through the touch operation screen 6, the non-metallic container detection module 2 starts the ultra-wideband pulse microwave transmitter 20 to emit signals, or the metal container detection module 3 starts the electric heater 30 to heat; at this time, the non-metallic container detection module 2 analyzes the reflected signals, and the metal container detection module 3 monitors the temperature change in the heating process; the CPU processing module analyzes the data and generates a detection result; the detection result is displayed on the touch operation screen 6, and the first indicator light 4 and the second indicator light 5 indicate the safety state of the liquid (red indicates danger, and green indicates safety); after the detection is completed, the user can select to save the detection result or export the result to other equipment, and turn off the equipment through the switch 14.

[0069] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the industry that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and range of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A liquid detector, comprising a housing (1), characterized in that: A non-metallic container detection platform (10) is provided at the top and near the right side of the housing (1). A non-metallic container detection module (2) is provided inside the non-metallic container detection platform (10). The non-metallic container detection module (2) includes an ultra-wideband pulse microwave transmitter (20) and an ultra-wideband pulse microwave receiver (21). A metallic container detection cavity (11) is provided at the top and near the left side of the housing (1). A metallic container detection module (3) is provided inside the metallic container detection cavity (11). The metallic container detection module (3) includes an electric heater (30). The housing (1) is equipped with a thermoelectric sensor (31), a touch screen (6) is provided on the front side and near the right side of the housing (1), a first indicator light (4) is provided on the front side and near the non-metallic container detection platform (10) of the housing (1), a second indicator light (5) is provided on the front side and near the metal container detection chamber (11) of the housing (1), a detachable rear side plate (7) is provided on the rear side of the housing (1), a detachable bottom plate (8) is provided at the bottom of the housing (1), and leveling parts (9) are provided at the bottom of the bottom plate (8) and near the four corners.

2. The liquid detector according to claim 1, characterized in that: A side groove (12) is provided on the left side of the housing (1), and a side groove (12) is also provided on the right side of the housing (1).

3. The liquid detector according to claim 1, characterized in that: The rear side plate (7) has a plurality of mounting holes a (70) on its rear side, and a first bolt (16) is connected to the mounting hole a (70). The first bolt (16) is threaded to the rear side of the housing (1).

4. The liquid detector according to claim 1, characterized in that: The rear side of the rear panel (7) is provided with a power port (13), a switch (14) and a multi-port wiring panel (15).

5. The liquid detector according to claim 1, characterized in that: The bottom of the base plate (8) has multiple mounting holes b (80), and a second bolt (17) is connected to the mounting hole b (80). The second bolt (17) is threaded to the bottom of the housing (1).

6. The liquid detector according to claim 1, characterized in that: The leveling component (9) includes a fixing block (90) fixedly connected to the bottom of the base plate (8), and the bottom of the fixing block (90) is provided with an adjustable block (92) that can be adjusted up and down, and the bottom of the adjustable block (92) is provided with a rubber pad (93).

7. The liquid detector according to claim 6, characterized in that: The fixed block (90) has a threaded groove (900) in the middle of its bottom, and the adjusting block (92) has a threaded post (91) in the middle of its top that is threaded into the threaded groove (900). The adjusting block (92) has multiple finger grooves (920) on its outer wall.

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