Iot device and iot system

Abstract

The application discloses an Internet of Things device and an Internet of Things system, and belongs to the field of Internet of Things devices. The Internet of Things device comprises a device body, an antenna assembly, a joint assembly and a locking assembly. The joint assembly comprises a first joint and a second joint. One of the first joint and the second joint is connected to one of the device body and the antenna assembly through a first lead wire, and the other of the first joint and the second joint is fixed to the other of the device body and the antenna assembly. Alternatively, one of the first joint and the second joint is connected to one of the device body and the antenna assembly through a second lead wire, and the other of the first joint and the second joint is connected to the other of the device body and the antenna assembly through a third lead wire. The first joint and the second joint are detachably connected. The locking assembly is arranged at the first joint and the second joint, and is used for locking and sealing the connection between the first joint and the second joint to achieve waterproof and moisture-proof.

Description

Technical Field

[0001] This application belongs to the field of Internet of Things (IoT) devices, specifically relating to an IoT device and an IoT system. Background Technology

[0002] With the development of technology, the use of IoT devices is becoming increasingly widespread. For example, IoT fluid flow meters can monitor and measure fluid flow. In related technologies, IoT devices typically have built-in antenna components that transmit signals, enabling communication with base stations. However, if the IoT device is installed in a concealed location, its communication may be affected. Utility Model Content

[0003] The purpose of this application is to provide an Internet of Things (IoT) device and IoT system, which at least solves the problem that the communication of IoT devices will be affected when they are installed in relatively concealed locations.

[0004] In a first aspect, embodiments of this application provide an Internet of Things (IoT) device, characterized in that the IoT device includes: a device body, an antenna assembly, a connector assembly, and a locking assembly;

[0005] The connector assembly includes a first connector and a second connector. One of the first connector and the second connector is connected to the device body and the antenna assembly via a first wire, and the other of the first connector and the second connector is fixed to the device body and the antenna assembly; or, one of the first connector and the second connector is connected to the device body and the antenna assembly via a second wire, and the other of the first connector and the second connector is connected to the device body and the antenna assembly via a third wire.

[0006] The first connector and the second connector are detachably connected. The locking component is disposed at the first connector and the second connector. The locking component is used to lock and seal the connection between the first connector and the second connector to achieve waterproofing and moisture protection. The device body is used to measure the flow rate and velocity of the fluid.

[0007] Optionally, the locking assembly includes a first locking member and a second locking member;

[0008] The first connector and the first locking member are separate structures. The first connector is connected to the first wire. The first locking member has a first receiving cavity and a first opening. The first opening communicates with the first receiving cavity. The bottom wall of the first receiving cavity is provided with a through hole. The first wire passes through the through hole so that the first locking member is movable relative to the first wire.

[0009] The second connector and the second locking member are integral structures. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity. The size of the first receiving cavity is larger than the size of the first connector. The first connector can extend into the second receiving cavity and connect with the second connector. The first locking member can be sleeved on the outer wall of the second locking member to lock the two together.

[0010] Optionally, the locking assembly includes a first locking member and a second locking member;

[0011] The first connector and the first locking member are separate structures. The first connector is connected to the second wire. The first locking member has a first receiving cavity and a first opening. The first opening communicates with the first receiving cavity. The bottom wall of the first receiving cavity is provided with a through hole. The second wire passes through the through hole so that the first locking member is movable relative to the second wire.

[0012] The second connector and the second locking member are integral structures, and the second connector is connected to the third wire. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity. The size of the first receiving cavity is larger than the size of the first connector. The first connector can extend into the second receiving cavity and connect with the second connector. The first locking member can be sleeved on the outer wall of the second locking member to lock the two together.

[0013] Optionally, the locking assembly includes a first locking member and a second locking member;

[0014] The first connector and the first locking member are an integral structure, and the first locking member covers the first connector in the circumferential direction of the first connector;

[0015] The second connector and the second locking member are an integral structure. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity.

[0016] The size of the second receiving cavity is larger than the size of the end of the first locking member where the first connector is located. One end of the first locking member can extend into the second receiving cavity so that the first connector abuts against the second connector and the two are locked together by the first locking member and the second locking member.

[0017] Optionally, the first locking member has a first boss structure that extends along the circumferential direction of the first locking member, and a first sealing ring is sleeved on the first locking member, with the first sealing ring located on the side of the first boss structure facing the second locking member.

[0018] Optionally, the outer wall of the first connector is provided with a second boss structure, and the second boss structure extends along the circumferential direction of the first connector, and a second sealing ring is provided on the side of the second boss structure facing the second connector.

[0019] When the first connector extends into the second receiving cavity and connects with the second connector, the first sealing ring abuts against the side wall of the opening of the second receiving cavity, and the first locking member is sleeved on the outer wall of the second locking member to lock the two together.

[0020] Optionally, the outer wall of the second locking member is provided with an external thread, and the cavity wall of the first receiving cavity is provided with an internal thread, wherein the internal thread matches the external thread.

[0021] Optionally, one of the outer walls of the first locking member and the second locking member is provided with a buckle, and the other is provided with a locking platform.

[0022] Optionally, the antenna assembly includes an antenna substrate on which an antenna element is disposed, the antenna element being used to transmit or receive signals;

[0023] The antenna substrate is electrically connected to the third conductor.

[0024] Optionally, the antenna assembly further includes an insulating layer disposed on the side of the antenna substrate opposite to the antenna element.

[0025] Optionally, the antenna assembly further includes an adhesive layer disposed on the side of the antenna substrate opposite to the antenna element.

[0026] Optionally, the antenna substrate is provided with a through hole for passing through at least one of the wire, the connector assembly, and the fixing member.

[0027] Optionally, the device body includes a housing, a control assembly, a first transducer, a second transducer, and a measuring tube;

[0028] The measuring tube and the control component are both disposed in the housing. The first transducer and the second transducer are both installed in the measuring tube. The first transducer and the second transducer are both electrically connected to the control component. One of the first connector and the second connector is electrically connected to the control component.

[0029] One of the first transducer and the second transducer is used to emit ultrasonic waves, and the other is used to receive ultrasonic waves and generate a response voltage wave.

[0030] Optionally, the measuring tube includes an inflow section and a measuring section;

[0031] The measuring pipe section includes a first pipe section, a second pipe section, and a third pipe section. The third pipe section includes a first sub-segment, a third sub-segment, and a second sub-segment connected in sequence. The third sub-segment is located between the first sub-segment and the second sub-segment. The opening of the first sub-segment away from the third sub-segment is connected to the first pipe section, and the opening of the first sub-segment away from the third sub-segment is connected to the inflow pipe section. The opening of the second sub-segment away from the third sub-segment is connected to the second pipe section. The inflow pipe section is configured such that fluid flows from the inflow pipe section into the first sub-segment.

[0032] The first pipe segment has a first mounting groove at the end away from the first sub-segment, and the second pipe segment has a second mounting groove at the end away from the second sub-segment. The first mounting groove is equipped with the first transducer, and the second mounting groove is equipped with the second transducer.

[0033] In the direction from the inflow pipe section to the first sub-section, the flow area of ​​the inflow pipe section gradually decreases, and the flow area at the connection point between the inflow pipe section and the first sub-section is greater than or equal to the flow area of ​​the measuring pipe section. The axis of the connection point between the first sub-section and the inflow pipe section intersects with the axis of the inflow pipe section and forms a first included angle, which is an obtuse angle. The axis of the first pipe section intersects with the axis of the third sub-section, and the axis of the second pipe section intersects with the axis of the third sub-section.

[0034] Optionally, the measuring tube further includes an outflow section;

[0035] The second sub-segment, located away from the third sub-segment, is connected to the outflow pipe segment. Along the direction from the second sub-segment to the outflow pipe segment, the flow area of ​​the outflow pipe segment gradually increases. The flow area at the connection point between the outflow pipe segment and the second sub-segment is greater than or equal to the flow area of ​​the measuring pipe segment. The axis of the connection point between the second sub-segment and the outflow pipe segment intersects with the axis of the outflow pipe segment and forms a second included angle, which is an obtuse angle.

[0036] Optionally, the measuring tube includes: a measuring tube section, a first transition tube section, and a second transition tube section;

[0037] The measuring pipe section has a first mounting groove and a second mounting groove at both ends along its axial direction. The first mounting groove is equipped with the first transducer, and the second mounting groove is equipped with the second transducer. The first mounting groove is connected to the first end of the measuring pipe section, and the second mounting groove is connected to the second end of the measuring pipe section. The propagation direction of the ultrasonic signal emitted by the first transducer and the propagation direction of the ultrasonic signal emitted by the second transducer are both consistent with the extension direction of the axis of the measuring pipe section.

[0038] The first transition pipe section and the second transition pipe section are respectively connected to the two ends of the measuring pipe section along the axial direction. The fluid flow direction in the first transition pipe section intersects with the fluid flow direction in the measuring pipe section, and the angle between the fluid flow direction in the first transition pipe section and the fluid flow direction in the measuring pipe section is an obtuse angle. The fluid flow direction in the second transition pipe section intersects with the fluid flow direction in the measuring pipe section. The first transition pipe section is used to connect the upstream fluid pipeline of the fluid measurement system, and the second transition pipe section is used to connect the downstream fluid pipeline of the fluid measurement system.

[0039] Along the direction from the first transition pipe section to the measuring pipe section, the flow area of ​​the first transition pipe section gradually decreases, and except for the connection between the first transition pipe section and the measuring pipe section, the flow area at any point in the first transition pipe section is greater than the flow area of ​​the measuring pipe section.

[0040] Optionally, along the direction from the second transition pipe section to the measuring pipe section, the flow area of ​​the second transition pipe section gradually decreases, and except for the connection between the second transition pipe section and the measuring pipe section, the flow area at any point in the second transition pipe section is greater than the flow area of ​​the measuring pipe section.

[0041] Optionally, the axis of the measuring tube is a straight line, and the tube wall of the measuring tube is provided with a first mounting groove and a second mounting groove at intervals along the axis of the measuring tube. Both the first mounting groove and the second mounting groove are in communication with the interior of the measuring tube. The first transducer is installed in the first mounting groove, and the second transducer is installed in the second mounting groove.

[0042] The measuring tube is provided with a first reflector and a second reflector, which are distributed at intervals. The first reflector has a first reflective surface, and the second reflector has a second reflective surface. The first reflective surface faces both the first transducer and the second reflective surface, and the second reflective surface faces both the second transducer and the first reflective surface.

[0043] When the first transducer emits an ultrasonic wave, the ultrasonic wave is reflected by the first reflecting surface to the second reflecting surface, so that the ultrasonic wave is reflected by the second reflecting surface to the second transducer; when the second transducer emits an ultrasonic wave, the ultrasonic wave is reflected by the second reflecting surface to the first reflecting surface, so that the ultrasonic wave is reflected by the first reflecting surface to the first transducer.

[0044] Optionally, the device body is a fluid flow meter.

[0045] Secondly, embodiments of this application provide an Internet of Things (IoT) system, which includes a communication base station and the IoT device described in any one of the first aspects above;

[0046] The IoT device and the communication base station are connected via the antenna assembly.

[0047] In this embodiment, since one of the first connector and the second connector is connected to one of the device body and the antenna assembly via the first wire, and the other of the first connector and the second connector is fixed to the other of the device body and the antenna assembly, and the first connector and the second connector are detachably connected, it is equivalent to the first connector being connected to the device body via the first wire and the second connector being fixed to the antenna assembly, or the first connector being connected to the antenna assembly via the first wire and the second connector being fixed to the antenna assembly. That is, the antenna assembly is not installed in the device body, but is located outside the device body, and there is a first wire between the antenna assembly and the device body. Thus, even if the device body is installed in a relatively concealed position, the antenna assembly can be installed in a relatively open position relative to the device body via the first wire, so that the signal transmission and reception of the antenna assembly are not shielded or blocked, thereby improving the communication quality. Furthermore, the first connector is connected to the device body via a second wire, and the second connector is connected to the antenna assembly via a third wire. The first and second connectors are detachably connected. Therefore, the antenna assembly is essentially external to the device body, as both have the second and third wires. This allows the antenna assembly to be installed in a relatively concealed location, enabling it to be installed in a more open position relative to the device body via the first wire, ensuring that signal transmission and reception are not blocked or obstructed, thus improving communication quality. Additionally, a locking component is located at the first and second connectors. After connecting the first and second connectors, the locking component can securely seal the connection point to prevent water and moisture damage, protecting the connection from liquids, moisture, and salt spray corrosion. In other words, in this embodiment of the application, by setting a first connector, a second connector, an antenna assembly, and a locking assembly, the antenna assembly is external to the device body. Thus, when installing the IoT device, even if the device body is installed in a relatively concealed location, there is a wire between the antenna assembly and the device body, which allows the antenna assembly to be installed in a relatively open location, resulting in better signal strength. Furthermore, the locking assembly can lock and seal the connection between the first connector and the second connector to prevent water and moisture damage, effectively avoiding the problem of the IoT device malfunctioning due to corrosion from liquids, moisture, and salt spray at the connection between the first connector and the second connector. Attached Figure Description

[0048] Figure 1 This diagram illustrates a first connector in an IoT device provided in this application, connected to an antenna assembly via a first wire.

[0049] Figure 2 This diagram illustrates a second connector in an IoT device provided in this application, connected to the device body via a first wire.

[0050] Figure 3This is one of the schematic diagrams illustrating an IoT device provided in this application, in which a first connector is connected to the device body via a second wire, and the second connector is connected to an antenna assembly via a third wire;

[0051] Figure 4 This is a second schematic diagram illustrating an IoT device provided in this application, in which a first connector is connected to the device body via a second wire, and the second connector is connected to an antenna assembly via a third wire.

[0052] Figure 5 This is one of the schematic diagrams illustrating an embodiment of the present application in which a first locking member is sleeved on a first wire, and the outer wall of a second locking member is provided with an external thread;

[0053] Figure 6 This is a second schematic diagram illustrating an embodiment of the present application in which a first locking member is sleeved on a first wire, and the outer wall of a second locking member is provided with an external thread;

[0054] Figure 7 This is a schematic diagram showing a first locking member sleeved on a second wire, with a first slot provided on the outer wall of the second locking member, according to an embodiment of this application.

[0055] Figure 8 This is a front view of a first locking member with a buckle on its outer wall and a second locking member with a snap-fit ​​platform on its outer wall, as provided in an embodiment of this application.

[0056] Figure 9 This is a side view showing a first locking member with a buckle on its outer wall and a second locking member with a snap-fit ​​platform on its outer wall, as provided in an embodiment of this application.

[0057] Figure 10 This is a schematic diagram showing an antenna assembly installed on a structure to be installed, according to an embodiment of this application.

[0058] Figure 11 This is a schematic diagram showing that the measuring tube in the device body provided in this application includes a measuring section, an inflow pipe section, and an outflow pipe section;

[0059] Figure 12 This is a schematic diagram showing that the measuring tube in the device body provided in this application includes a measuring tube segment, a first transition segment, and a second transition segment;

[0060] Figure 13 This is a top view showing a measuring tube in a device body provided in an embodiment of this application, including a measuring tube segment, a first transition segment, and a second transition segment;

[0061] Figure 14 This is a schematic diagram showing a first reflector and a second reflector disposed in a measuring tube of a device body provided in an embodiment of this application.

[0062] Figure label:

[0063] 001: First conductor; 002: Second conductor; 003: Third conductor; 10: Equipment body; 11: Housing; 12: Control component; 13: First transducer; 14: Second transducer; 15: Measuring tube; 151: Inflow pipe section; 152: Measuring pipe section; 1511: First mounting slot; 1512: Second mounting slot; 1521: First pipe section; 1522: Second pipe section; 1523: Third pipe section; 15231: First sub-segment; 15232: Second sub-segment; 15233: Third sub-segment; 153: Outflow pipe section; 154: First transition pipe section; 155: Second transition pipe section; 15 91: First reflector; 1592: Second reflector; 20: Antenna assembly; 21: Antenna substrate; 22: Antenna element; 23: Insulating layer; 24: Adhesive layer; 30: Connector assembly; 31: First connector; 32: Second connector; 311: Second boss structure; 33: Second sealing ring; 40: Locking assembly; 41: First locking element; 42: Second locking element; 411: First receiving cavity; 412: First opening; 4101: First boss structure; 421: External thread; 422: First snap-fit ​​groove; 413: Snap-fit; 423: Snap-fit ​​platform; 43: First sealing ring; 100: Structure to be installed. Detailed Implementation

[0064] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0065] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0066] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0067] like Figures 1 to 14 As shown, the IoT device includes: device body 10, antenna assembly 20, connector assembly 30, and locking assembly 40.

[0068] The connector assembly 30 includes a first connector 31 and a second connector 32. One of the first connector 31 and the second connector 32 is connected to one of the device body 10 and the antenna assembly 20 via a first wire 001. The other of the first connector 31 and the second connector 32 is fixed to the other of the device body 10 and the antenna assembly 20. Alternatively, one of the first connector 31 and the second connector 32 is connected to one of the device body 10 and the antenna assembly 20 via a second wire 002. The other of the first connector 31 and the second connector 32 is connected to the other of the device body 10 and the antenna assembly 20 via a third wire 003. The first connector 31 and the second connector 32 are detachably connected. A locking assembly 40 is provided at the connection between the first connector 31 and the second connector 32. The locking assembly 40 is used to lock and seal the connection between the first connector 31 and the second connector 32 to achieve waterproofing and moisture-proofing.

[0069] In this embodiment, since one of the first connector 31 and the second connector 32 is connected to one of the device body 10 and the antenna assembly 20 via the first wire 001, and the other of the first connector 31 and the second connector 32 is fixed to the other of the device body 10 and the antenna assembly 20, and the first connector 31 and the second connector 32 are detachably connected, it is equivalent to the first connector 31 being connected to the antenna assembly 20 via the first wire 001 and the second connector 32 being fixed to the device body 10, or the first connector 31 being connected to the device body 10 via the first wire 001 and the second connector 32 being fixed to the antenna assembly 20. That is, the antenna assembly 20 is not installed in the device body 10, but is disposed outside the device body 10, and there is a first wire 001 between the antenna assembly 20 and the device body 10. Thus, even if the device body 10 is installed in a relatively concealed position, the antenna assembly 20 can be installed in a relatively open position relative to the device body 10 via the first wire 001, so that the signal transmission and reception of the antenna assembly 20 are not shielded or blocked, thereby improving the communication quality.

[0070] Furthermore, the first connector 31 is connected to the device body 10 via the second wire 002, and the second connector 32 is connected to the antenna assembly 20 via the third wire 003. The first connector 31 and the second connector 32 are detachably connected. Therefore, it is equivalent to the antenna assembly 20 and the device body 10 having the second wire 002 and the third wire 003, allowing the antenna assembly 20 to be positioned externally to the device body 10. Thus, even if the device body 10 can be installed in a relatively concealed location, the connection to the antenna assembly 20 via the third wire 003 allows the antenna assembly 20 to be installed in a relatively open location relative to the device body 10, ensuring that the signal transmission and reception of the antenna assembly 20 are not shielded or blocked, thereby improving communication quality. Additionally, the locking component 40 is located at the first connector 31 and the second connector 32. Therefore, after connecting the first connector 31 and the second connector 32, the locking component 40 can be used to lock and seal the connection between the first connector 31 and the second connector 32 to prevent water and moisture damage, thus avoiding corrosion from liquids, moisture, and salt spray. In other words, in this embodiment of the application, by setting the first connector 31, the second connector 32, the antenna assembly 20, and the locking assembly 40, the antenna assembly 20 is external to the device body 10. Thus, when installing the IoT device, even if the device body 10 is installed in a relatively concealed position, there is a wire between the antenna assembly 20 and the device body 10, which allows the antenna assembly 20 to be installed in a relatively open position, resulting in better signal strength. Furthermore, the locking assembly 40 can lock and seal the connection between the first connector 31 and the second connector 32 to prevent water and moisture damage, effectively avoiding the problem of the IoT device malfunctioning due to corrosion from liquids, moisture, and salt spray at the connection between the first connector 31 and the second connector 32.

[0071] Additionally, in some embodiments, such as Figure 5 As shown, the locking assembly 40 includes a first locking member 41 and a second locking member 42; the first connector 31 and the first locking member 41 are separate structures. The first connector 31 is connected to the first wire 001. The first locking member 41 has a first receiving cavity 411 and a first opening 412. The first opening 412 communicates with the first receiving cavity 411. The bottom wall of the first receiving cavity 411 is provided with a through hole. The first wire 001 passes through the through hole so that the first locking member 41 is movable relative to the first wire 001; the second connector 32 and the second locking member 42 are integral structures. The second locking member 42 has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector 32 is disposed in the second receiving cavity. The size of the first receiving cavity 411 is larger than the size of the first connector 31. The first connector 31 can extend into the second receiving cavity and connect with the second connector 32. The first locking member 41 can be sleeved on the outer wall of the second locking member 42 to lock the two together.

[0072] Specifically, when the first connector 31 is connected to the device body 10 via the first wire 001, the second locking member 42 and the second connector 32 are connected to the antenna assembly 20; when the first connector 31 is connected to the antenna assembly 20 via the first wire 001, the second locking member 42 and the second connector 32 are connected to the device body 10.

[0073] Since the bottom wall of the first receiving cavity 411 of the first locking member 41 is provided with a through hole, the first locking member 41 can be inserted through the through hole into the first wire 001, and the first locking member 41 is movable relative to the first wire 001. That is, by applying force to the first locking member 41, the first locking member 41 can be moved relative to the first wire 001. In addition, the second connector 32 is disposed in the second receiving cavity of the second locking member 42. The size of the first receiving cavity 411 of the first locking member 41 is larger than the size of the first connector 31. The first connector 31 can extend into the second receiving cavity and connect with the second connector 32. The first locking member 41 can be sleeved on the outer wall of the second locking member 42. Therefore, when connecting the first connector 31 and the second connector 32, the first connector 31 can be extended into the second receiving cavity to connect the first connector 31 and the second connector 32. Then, force is applied to the first locking member 41 to move relative to the first wire 001. Since the size of the first receiving cavity 411 is larger than the size of the first connector 31, it can be ensured that the first locking member 41 covers the second connector 32 during the movement. The first locking member 41 is sleeved on the outer wall of the second locking member 42, so that the combination of the first locking member 41 and the second locking member 42 locks and seals the connection between the first connector 31 and the second connector 32 to prevent water and moisture. Furthermore, when the first connector 31 is connected to the device body 10 via the first wire 001, it is equivalent to the second connector 32 being fixed to the antenna assembly 20, thereby connecting the second locking member 42 to the antenna assembly 20 and placing the second connector 32 within the second locking member 42. This ensures that the connection between the first connector 31 and the second connector 32 is protected after the first locking member 41 is fitted onto the second locking member 42.

[0074] It should be noted that the first locking member 41 can be a waterproof rubber component, and the through hole on the bottom wall of the first receiving cavity 411 of the first locking member 41 is interference-fitted with the first wire 001. Therefore, by applying force to the first locking member 41, the first locking member 41 can move relative to the first wire 001. Furthermore, when the first locking member 41 is fitted onto the outer wall of the second locking member 42, there is no gap between the first locking member 41 and the outer surface of the first wire 001, thus providing waterproof and moisture-proof effects. Additionally, the second locking member 42 can also be a waterproof rubber component.

[0075] In addition, in this embodiment, the first connector 31 can be a male connector and the second connector 32 can be a female connector. Of course, the first connector 31 can also be a female connector and the second connector 32 can be a male connector. This embodiment does not limit the specific application.

[0076] Additionally, in some embodiments, such as Figure 6 As shown, the locking assembly 40 includes a first locking member 41 and a second locking member 42; the first connector 31 and the first locking member 41 are separate structures, the first connector 31 is connected to the second wire 002, the first locking member 41 has a first receiving cavity 411 and a first opening 412, the first opening 412 communicates with the first receiving cavity 411, the bottom wall of the first receiving cavity 411 is provided with a through hole, the second wire 002 passes through the through hole, so that the first locking member 41 is movable relative to the second wire 002; the second connector 32 and the second locking member 42 are integral structures, and the second structure 32 is connected to the third wire 003, the second locking member 42 has a second receiving cavity and a second opening, the second opening communicates with the second receiving cavity, the second connector 32 is disposed in the second receiving cavity, the size of the first receiving cavity 411 is larger than the size of the first connector 31; wherein, the first connector 31 can extend into the second receiving cavity and connect with the second connector 32, and the first locking member 41 can be sleeved on the outer wall of the second locking member 42 to lock the two together.

[0077] Since the bottom wall of the first receiving cavity 411 of the first locking member 41 is provided with a through hole, the first locking member 41 can be inserted through the through hole into the second wire 002, and the first locking member 41 is movable relative to the second wire 002. That is, by applying force to the first locking member 41, the first locking member 41 can be moved relative to the second wire 002. In addition, the second locking member 42 is connected to one end of the third wire 003, and the second connector 32 is disposed in the second receiving cavity of the second locking member 42. The size of the first receiving cavity 411 of the first locking member 41 is larger than the size of the first connector 31. The first connector 31 can extend into the second receiving cavity and connect with the second connector 32. The first locking member 41 can be sleeved on the outer wall of the second locking member 42. Therefore, when connecting the first connector 31 and the second connector 32, the first connector 31 can be extended into the second receiving cavity to connect the first connector 31 and the second connector 32. Then, force is applied to the first locking member 41 to make the first locking member 41 move relative to the second wire 002. Since the size of the first receiving cavity 411 is larger than the size of the first connector 31, it can be ensured that the first locking member 41 covers the first connector 31 during the movement. The first locking member 41 is sleeved on the outer wall of the second locking member 42, so that the combination of the first locking member 41 and the second locking member 42 locks and seals the connection between the first connector 31 and the second connector 32 to prevent water and moisture.

[0078] Additionally, in some embodiments, such as Figure 8 and Figure 9 As shown, the locking assembly 40 includes a first locking member 41 and a second locking member 42; the first connector 31 and the first locking member 41 are integrally formed, and the first locking member 41 covers the first connector 31 in the circumferential direction; the second connector 32 and the second locking member 42 are integrally formed, the second locking member 42 has a second receiving cavity and a second opening, the second opening communicates with the second receiving cavity, the second connector 32 is disposed in the second receiving cavity, the size of the second receiving cavity is larger than the size of the end of the first locking member 41 where the first connector 31 is located; one end of the first locking member 41 can extend into the second receiving cavity so that the first connector 31 and the second connector 32 abut against each other, and the two are locked together by the first locking member 41 and the second locking member 42.

[0079] Since the first connector 31 and the first locking member 41 are an integral structure, and the first locking member 41 covers the first connector 31 in the circumferential direction; the second connector 32 and the second locking member 42 are an integral structure, the second locking member 42 has a second receiving cavity and a second opening, the second opening communicates with the second receiving cavity, and the second connector 32 is disposed in the second receiving cavity, therefore, when it is necessary to connect the first connector 31 and the second connector 32, the end of the first locking member 41 where the first connector 31 is located can be inserted into the second receiving cavity of the second locking member 42, so that the first locking member 41 can carry the first connector 31 into the second receiving cavity, so that the first connector 31 and the second connector 32 abut against each other, and once the first locking member 41 is inserted into the second receiving cavity, the first locking member 41 and the second locking member 42 can be locked together to lock and seal the connection between the first connector 31 and the second connector 32 to prevent water and moisture. In addition, the first locking member 41 can also protect the first connector 31, and the second locking member 42 can also protect the second connector 32.

[0080] Additionally, in some embodiments, such as Figure 8 and Figure 9 As shown, the first locking member 41 has a first boss structure 4101, which extends along the circumferential direction of the first locking member 41. A first sealing ring 43 is sleeved on the first locking member 41, and the first sealing ring 43 is located on the side of the first boss structure 4101 facing the second locking member 42.

[0081] With this configuration, when it is necessary to connect the first connector 31 and the second connector 32, the first locking member 41 can be inserted into the second receiving cavity of the second locking member 42. At this time, the first sealing ring 43 can be located between the cavity wall of the second receiving cavity and the first locking member 41, and the first boss structure 4101 can act as a barrier for the first sealing ring 43, so that the first sealing ring 43 can seal the gap between the second locking member 42 and the first locking member 41, preventing liquid from flowing to the connection between the first connector 31 and the second connector 32. That is, by setting the first sealing ring 43, the protective effect at the connection between the first connector 31 and the second connector 32 can be improved.

[0082] Additionally, in some embodiments, such as Figure 6 and Figure 7 As shown, the outer wall of the first connector 31 is provided with a second boss structure 311, and the second boss structure 311 extends along the circumferential direction of the first connector 31. A second sealing ring 33 is provided on the side of the second boss structure 311 facing the second connector 32. When the first connector 31 extends into the second receiving cavity and connects with the second connector 32, the second sealing ring 33 abuts against the side wall of the cavity opening of the second receiving cavity, and the first locking member 41 is sleeved on the outer wall of the second locking member 42 to lock the two together.

[0083] Because the outer wall of the first connector 31 is provided with a second protrusion structure 311, and the second protrusion structure 311 extends along the circumferential direction of the first connector 31, and a second sealing ring 33 is provided on the side of the second protrusion structure 311 facing the second connector 32, when it is necessary to connect the first connector 31 and the second connector 32, the first connector 31 can be inserted into the second receiving cavity of the second locking member 42. At this time, the second protrusion structure 311 of the first connector 31 moves to the opening of the second receiving cavity, and the second sealing ring 33 can abut against the side wall of the opening of the second receiving cavity. Then, the first locking member 41 is sleeved on the outer wall of the second locking member 42, thereby locking the first connector 31, the second sealing ring 33, and the first connector 32. The second sealing ring 33 can be used to achieve a seal, preventing liquid from flowing to the connection between the first connector 31 and the second connector 32. That is, by providing the second sealing ring 33, the protective effect on the connection between the first connector 31 and the second connector 32 can be improved.

[0084] Additionally, in some embodiments, such as Figure 6 As shown, the outer wall of the second locking member 42 is provided with an external thread 421, and the cavity wall of the first receiving cavity 411 is provided with an internal thread, which matches the external thread 421. With this arrangement, when the first locking member 41 is fitted onto the outer wall of the second locking member 42, the first locking member 41 and the second locking member 42 can be threaded together, thus ensuring a secure connection. Furthermore, the internal thread occupies the gap between the first locking member 41 and the second locking member 42, ensuring that liquid does not flow through the gap to the connection between the first connector 31 and the second connector 32. In other words, by providing an external thread 421 on the outer wall of the second locking member 42 and an internal thread on the inner wall of the first receiving cavity 411, not only is the connection between the first connector and the second connector facilitated, but the connection of the first locking member 41 and the second locking member 42 also ensures good protection at the connection between the first connector 31 and the second connector 32.

[0085] Additionally, in some embodiments, such as Figure 8 and Figure 9 As shown, one of the outer walls of the first locking member 41 and the second locking member 42 is provided with a buckle 413, and the other is provided with a locking platform 423.

[0086] When the outer wall of the first locking member 41 is provided with a buckle 413 and the outer wall of the second locking member 42 is provided with a locking platform 423, when it is necessary to connect the first connector 31 and the second connector 32, the first locking member 41 can be inserted into the second receiving cavity of the second locking member 42, and the first sealing ring 43 is located between the cavity wall of the second receiving cavity and the outer wall of the first locking member 41. Thus, the first sealing ring 43 seals the gap between the first locking member 41 and the second locking member 42, and the first connector 31 and the second connector 32 are connected, effectively preventing liquid from flowing to the connection between the first connector 31 and the second connector 32. Then, the buckle 413 on the first locking member 41 is engaged with the locking platform 423 on the second locking member 42 to ensure that the first locking member 41 is not easily separated from the second locking member 42, thereby ensuring that the first connector 31 and the second connector 32 are not easily separated.

[0087] Similarly, when the outer wall of the first locking member 41 is provided with a locking platform 423 and the outer wall of the second locking member 42 is provided with a buckle 413, when it is necessary to connect the first connector 31 and the second connector 32, the first locking member 41 can be inserted into the second receiving cavity of the second locking member 42, and the first sealing ring 43 is located between the cavity wall of the second receiving cavity and the outer wall of the first locking member 41. Thus, the first sealing ring 43 seals the gap between the first locking member 41 and the second locking member 42, and the first connector 31 and the second connector 32 are connected, effectively preventing liquid from flowing to the connection between the first connector 31 and the second connector 32. Then, the buckle 413 on the second locking member 42 is engaged with the locking platform 423 on the first locking member 41 to ensure that the first locking member 41 is not easily separated from the second locking member 42, thereby ensuring that the first connector 31 and the second connector 32 are not easily separated.

[0088] It should be noted that the number of card receiving stations 423 and the number of card clips 413 can be set according to actual needs. For example, the number of card receiving stations 423 and the number of card clips 413 can both be 1, or the number of card receiving stations 423 and the number of card clips 413 can both be 2. In this respect, the embodiments of this application do not limit it.

[0089] In addition, when the first connector 31 is disposed in the first locking member 41 and the second connector 32 is disposed in the second receiving cavity of the second locking member 42, the first connector 31 can be a female connector and the second connector 32 can be a male connector. Of course, the first connector 31 can also be a male connector and the second connector 32 can be a female connector.

[0090] Additionally, in some embodiments, such as Figure 7As shown, the outer wall of the second locking member 42 is provided with a first snap-fit ​​groove 422, and the cavity wall of the first receiving cavity 411 is provided with a first snap-fit ​​platform. When the first locking member 41 is sleeved on the outer wall of the second locking member 42, the first snap-fit ​​platform snaps into the first snap-fit ​​groove 422; or, the outer wall of the second locking member 42 is provided with a second snap-fit ​​platform, and the cavity wall of the first receiving cavity 411 is provided with a second snap-fit ​​groove. When the first locking member 41 is sleeved on the outer wall of the second locking member 42, the second snap-fit ​​platform snaps into the second snap-fit ​​groove.

[0091] When the outer wall of the second locking member 42 is provided with a first snap-fit ​​groove 422 and the cavity wall of the first receiving cavity 411 is provided with a first snap-fit ​​platform, when it is necessary to connect the first locking member 41 and the second locking member 42, the first locking member 41 can be sleeved on the outer wall of the second locking member 42. At this time, the first snap-fit ​​platform on the cavity wall of the first receiving cavity 411 will snap into the first snap-fit ​​groove 422 on the outer wall of the second locking member 42, thereby connecting the first locking member 41 and the second locking member 42. The first snap-fit ​​groove 422 can extend along the circumferential direction of the second locking member 42. The shape of the first snap-fit ​​platform and the first snap-fit ​​groove 422 are adapted. After the first snap-fit ​​platform is snapped into the first snap-fit ​​groove 422, the first locking member 41 and the second locking member 42 can have a protective effect on the connection between the first connector 31 and the second connector 32.

[0092] The first locking groove 422 can extend along the circumferential direction of the second locking member 42, and the first locking groove 422 surrounds the center line of the second locking member 42. Of course, the first locking groove 422 can also be distributed at intervals along the circumferential direction of the second locking member 42. In addition, in this embodiment, the first locking groove 422 can also be distributed at intervals along the axial direction of the second locking member 42.

[0093] When the outer wall of the second locking member 42 is provided with a second locking platform and the cavity wall of the first receiving cavity 411 is provided with a second locking groove, when it is necessary to connect the first locking member 41 and the second locking member 42, the first locking member 41 can be sleeved on the outer wall of the second locking member 42. At this time, the second locking platform on the outer wall of the second locking member 42 will be locked into the second locking groove on the cavity wall of the first receiving cavity 411 of the first locking member 41, thereby connecting the first locking member 41 and the second locking member 42. The second locking groove can extend along the circumferential direction of the first locking member 41. The shape of the second locking platform and the second locking groove are adapted. After the second locking platform is locked into the second locking groove, the first locking member 41 and the second locking member 42 can provide protection for the connection between the first connector 31 and the second connector 32.

[0094] The second locking groove can extend along the circumferential direction of the first locking member 41 and surround the center line of the first locking member 41. Alternatively, the second locking grooves can be spaced apart along the circumferential direction of the first locking member 41. Furthermore, in this embodiment, the second locking grooves can also be spaced apart along the axial direction of the first locking member 41.

[0095] Furthermore, in this embodiment, the specific number of the first card slots 422 can be set according to actual needs, and this embodiment does not limit it here. Similarly, the specific number of the second card slots can be set according to actual needs, and this embodiment does not limit it here.

[0096] Additionally, in some embodiments, such as Figure 3 As shown, the antenna assembly 20 includes an antenna substrate 21, on which an antenna element 22 is disposed. The antenna element 22 is used to transmit or receive signals. The antenna substrate 21 is electrically connected to the third conductor 003.

[0097] Since the antenna substrate 21 is electrically connected to the third conductor 003, once the first connector 31 and the second connector 32 are connected, the signal received by the antenna element 22 can be transmitted to the antenna substrate 21. The antenna substrate 21 then transmits the signal to the third conductor 003. The third conductor 003 transmits the signal to the second conductor 002 via the second connector 32 and the first connector 31. The second conductor 002 then transmits the signal to the device body 10. Similarly, the signal that the device body 10 needs to transmit can be transmitted through the second conductor 002 to the first connector 31 and the second connector 32. The signal is then transmitted to the third conductor 003 and to the antenna substrate 21. The antenna substrate 21 transmits the signal to the antenna element 22, and then the antenna element 22 transmits the signal. In other words, by setting the antenna element 22, it is convenient to receive or transmit signals.

[0098] It should be noted that the antenna element 22 can be printed on the antenna substrate 21 using a printing process, meaning the antenna element 22 is a printed antenna. Of course, the antenna element 22 can also be of other types; for example, it can be formed from a conductive rod. The specific type of antenna element 22 is not limited in this embodiment.

[0099] In addition, in this embodiment, the antenna assembly 20 can be one of a Bluetooth antenna, a Zigbee antenna, a starburst antenna, a CAT1 antenna, a Lora antenna, an NB-IoT antenna, a 3G antenna, or a 4G antenna.

[0100] Of course, in this embodiment, when the antenna element 22 is disposed on the antenna substrate 21, the antenna element 22 can also be directly electrically connected to the third conductor 003, that is, one end of the third conductor 003 is electrically connected to the antenna element 22. Depending on the structure and manufacturing process of the antenna element 22, the antenna element 22 can be directly electrically connected to the third conductor 003 or electrically connected to the antenna substrate 21 as needed. This embodiment does not limit the specific connection in this regard.

[0101] Additionally, in some embodiments, such as Figure 10 As shown, the antenna assembly 20 also includes an insulating layer 23, which is disposed on the side of the antenna substrate 21 facing away from the antenna element 22. With this arrangement, even if the antenna assembly 20 is mounted on the cover of a metal enclosure or other metal structures, the insulating layer 23 can effectively prevent the metal structure from affecting the antenna substrate 21 and the antenna element 22, thus avoiding any issues with the received or transmitted signals of the antenna element 22. In other words, by providing the insulating layer 23, the mounting range of the antenna assembly 20 can be increased, allowing it to be mounted not only on insulating structures but also on metal structures.

[0102] It should be noted that the insulating layer 23 can be bonded to the surface of the antenna substrate 21 away from the antenna element 22 by adhesive, and the insulating layer 23 covers the surface of the antenna substrate 21 away from the antenna element 22.

[0103] Additionally, in some embodiments, such as Figure 10 As shown, the antenna assembly 20 also includes an adhesive layer 24, which is disposed on the side of the antenna substrate 21 facing away from the antenna element 22. With this arrangement, when the antenna assembly 20 needs to be installed, the antenna substrate 21 can be directly bonded to the structure 100 to be installed through the adhesive layer 24, thereby facilitating the installation of the antenna assembly 20.

[0104] It should be noted that a protective film is provided on the surface of the adhesive layer 24 facing away from the antenna substrate 21. When it is necessary to install the antenna assembly 20, the protective film can be peeled off from the adhesive layer 24 to expose the adhesive layer 24. Then, the antenna assembly 20 is bonded to the structure 100 to be installed through the adhesive layer 24.

[0105] Additionally, in some embodiments, such as Figure 10 As shown, the antenna substrate 21 is provided with through holes for passing through at least one of the following: wires, connector assembly 30, and fasteners.

[0106] The number of through holes can be multiple. In practical applications, a wire or connector assembly 30 can be threaded through a through hole so that the cable or connector assembly can pass through the through hole on the surface of the structure to be installed 100 during installation and deployment. This facilitates construction and also prevents the cable or connector assembly from being exposed to the outside, thus increasing the protection of the cable or connector assembly.

[0107] Alternatively, a fastener can be inserted through another through hole, so that when it is necessary to install the antenna assembly 20 onto the structure to be installed 100, the antenna substrate 21 can be placed on the surface of the structure to be installed 100, and then the fastener is inserted through the through hole of the antenna substrate 21 and embedded in the surface of the structure to be installed 100, that is, the antenna substrate 21 is connected to the surface of the structure to be installed 100 by the fastener, which makes it easier to install the antenna assembly 20 onto the structure to be installed 100.

[0108] It should be noted that when an insulating layer 23 is provided on the side of the antenna substrate 21 away from the antenna element 22, an adhesive layer 24 can be provided on the surface of the insulating layer 23 away from the antenna substrate 21. When the antenna substrate 21 is provided with a through hole and an insulating layer 23 is provided on the side of the antenna substrate 21 away from the antenna element 22, the insulating layer 23 can also be provided with a through hole, and the through hole of the antenna substrate 21 is connected to the through hole of the insulating layer 23, so as to facilitate the cable or connector assembly to pass through the through hole, and thus facilitate the cable or connector assembly to pass through the through hole on the surface of the structure to be installed 100, so as to install the antenna assembly 20 on the structure to be installed 100.

[0109] In addition, in this embodiment, the fastener can be a bolt, or it can be a pin. The specific type of fastener is not limited in this embodiment.

[0110] Additionally, in some embodiments, such as Figures 11 to 14 As shown, the device body 10 includes a housing 11, a control component 12, a first transducer 13, a second transducer 14, and a measuring tube 15. The measuring tube 15 and the control component 12 are both housed within the housing 11. The first transducer 13 and the second transducer 14 are both mounted on the measuring tube 15 and are electrically connected to the control component 12. One of the first connector 31 and the second connector 32 is also electrically connected to the control component 12. One of the first transducer 13 and the second transducer 14 is used to emit ultrasonic waves, and the other is used to receive ultrasonic waves and generate a response voltage wave. With this configuration, once fluid flows through the measuring tube 15, the first transducer 13 can emit ultrasonic waves, which propagate through the fluid in the measuring tube 15 until they are received by the second transducer 14. Alternatively, the second transducer 14 can emit ultrasonic waves, which are received by the first transducer 13. Thus, the control component 12 can determine parameters such as the fluid velocity and flow rate through the transmission of ultrasonic waves.

[0111] It should be noted that, in this embodiment, the control component 12 can be a circuit board with control functions; of course, the control component 12 can also be a chip with control functions. The specific type of the control component 12 is not limited in this embodiment.

[0112] Additionally, in some embodiments, such as Figure 11 As shown, the measuring tube 15 includes an inflow section 151 and a measuring section 152; the measuring section 152 includes a first section 1521, a second section 1522, and a third section 1523. The third section 1523 includes a first sub-segment 15231, a third sub-segment 15233, and a second sub-segment 15232 connected in sequence. The third sub-segment 15233 is located between the first sub-segment 15231 and the second sub-segment 15232. The opening of the first sub-segment 15231 away from the third sub-segment 15233 is connected to the first section 1521, and the opening of the first sub-segment 15231 away from the third sub-segment 15233 is connected to the inflow section 151. The opening of the second sub-segment 15232 away from the third sub-segment 15233 is connected to the second section 1522. The inflow section 151 is configured such that fluid flows from the inflow section 151 into the first sub-segment 15231; the first section 1521 away from the first sub-segment 15233 is connected to the first sub-segment 15232. One end of the sub-segment 15231 has a first mounting groove 1511, and the end of the second pipe segment 1522 away from the second sub-segment 15232 has a second mounting groove 1512. The first mounting groove 1511 is equipped with a first transducer 13, and the second mounting groove 1512 is equipped with a second transducer 14. Along the direction from the inflow pipe segment 151 to the first sub-segment 15231, the flow area of ​​the inflow pipe segment 151 gradually decreases, and the flow area at the connection point between the inflow pipe segment 151 and the first sub-segment 15231 is greater than or equal to the flow area of ​​the measuring pipe segment 152. The axis of the connection point between the first sub-segment 15231 and the inflow pipe segment 151 intersects with the axis of the inflow pipe segment 151 and forms a first included angle, which is an obtuse angle. The axis of the first pipe segment 1521 intersects with the axis of the third sub-segment 15233, and the axis of the second pipe segment 1522 intersects with the axis of the third sub-segment 15233.

[0113] Since the third sub-segment 15233 is located between the first sub-segment 15231 and the second sub-segment 15232, the port of the first sub-segment 15231 away from the third sub-segment 15233 is connected to the first pipe segment 1521, and the port of the first sub-segment 15231 away from the third sub-segment 15233 is connected to the inflow pipe segment 151. The port of the second sub-segment 15232 away from the third sub-segment 15233 is connected to the second pipe segment 1522. The end of the first pipe segment 1521 away from the first sub-segment 15231 has a first mounting groove 1511, and the end of the second pipe segment 1522 away from the second sub-segment 15232 has a second mounting groove 1512. Transducers are installed in both the first mounting groove 1511 and the second mounting groove 1512. Therefore, once the fluid flows from the inflow pipe segment 151 to the first sub-segment 15231, the fluid can flow along the first sub-segment 15231 through the third sub-segment 15233 and the second sub-segment 15232. The first section 1521, the second section 15232, and the third section 15233, as well as the second section 15232, are connected by a transducer installed in the first mounting slot 1511 that can generate ultrasonic waves. The ultrasonic waves are transmitted in the fluid in the first section 15231, the third section 15233, and the second section 15232, and are received by the transducer installed in the second mounting slot 1512. Thus, the first pipe section 1521, the first sub-section 15231, the third sub-section 15233, the second section 15232, and the second pipe section 1522 are equivalent to forming a channel for ultrasonic wave propagation, allowing the ultrasonic waves to propagate in the fluid in either the forward or reverse direction. This allows for the measurement of the flight time of the ultrasonic waves in both the forward and reverse directions, and the determination of the time difference between the flight times of the ultrasonic waves in the forward and reverse directions. Consequently, parameters such as the fluid velocity and flow rate can be determined. In other words, this is equivalent to forming a fluid measurement channel for measuring parameters such as the fluid velocity and flow rate. Furthermore, along the direction from the inflow pipe section 151 to the first sub-section 15231, the flow area of ​​the inflow pipe section 151 gradually decreases, and the flow area at the connection point between the inflow pipe section 151 and the first sub-section 15231 is greater than or equal to the flow area of ​​the measuring pipe section 152. Therefore, as the fluid flows through the inflow pipe section 151, the flow area gradually decreases to reduce resistance and pressure loss. Afterward, the fluid flows to the connection point between the first sub-section 15231 and the inflow pipe section 151, where the axis of the first sub-section 15231 intersects with the axis of the inflow pipe section 151 and forms a first angle. This first angle is obtuse, which effectively avoids the problem that the fluid in the inflow pipe section 151 would have a right angle when flowing to the first sub-section 15231, causing the fluid to hit the inner wall of the pipe more often and resulting in a wall-hitting effect, thus affecting the fluid velocity and pressure.That is, in this embodiment of the application, under the premise of ensuring the formation of a fluid measurement channel, when the fluid flows through the inflow pipe section 151, the pressure loss of the fluid is small, and the axis of the first sub-segment 15231 intersects the axis of the inflow pipe section 151 and forms an obtuse angle, so as to effectively reduce the flow resistance and pressure of the fluid in the measurement channel, thereby making the fluid flow velocity more uniform and thus improving the accuracy of the measurement.

[0114] Additionally, in some embodiments, such as Figure 11 As shown, the measuring tube 15 also includes an outflow tube section 153; the opening of the second sub-segment 15232 away from the third sub-segment 15233 is connected to the outflow tube section 153. Along the direction from the second sub-segment 15232 to the outflow tube section 153, the flow area of ​​the outflow tube section 153 gradually increases, and the flow area at the connection point between the outflow tube section 153 and the second sub-segment 15232 is greater than or equal to the flow area of ​​the measuring tube section 152. The axis of the connection point between the second sub-segment 15232 and the outflow tube section 153 intersects with the axis of the outflow tube section 153 and forms a second included angle, which is an obtuse angle.

[0115] Because the flow area of ​​the outlet pipe section 153 gradually increases along the direction from the second sub-segment 15232 to the outlet pipe section 153, and the flow area of ​​the outlet pipe section 153 is greater than or equal to the flow area of ​​the measuring pipe section 152, when the fluid flows to the outlet pipe section 153, the flow area of ​​the outlet pipe section 153 is greater than or equal to the flow area of ​​the measuring pipe section 152. This is equivalent to the fluid flowing to a pipe section with a larger flow area, resulting in less pressure loss. Furthermore, the axis of the second sub-segment 15232 intersects the axis of the outlet pipe section 153 and forms a second angle, which is an obtuse angle. This effectively avoids the problem of the fluid in the second sub-segment 15232 flowing to the outlet pipe section 153 at a right angle, causing the fluid to impact the inner wall of the pipe and resulting in a wall-impact effect, which would affect the fluid velocity and pressure.

[0116] In addition, in this embodiment, the axis of the outflow pipe section 153 may be parallel to the axis of the third sub-section 15233.

[0117] Additionally, in some embodiments, such as Figure 12As shown, the measuring tube 15 includes: a measuring tube section 152, a first transition tube section 154, and a second transition tube section 155. A first mounting groove 1511 and a second mounting groove 1512 are respectively provided at both ends of the measuring tube section 152 along its axial direction. A first transducer 13 is installed in the first mounting groove 1511, and a second transducer 14 is installed in the second mounting groove 1512. The first mounting groove 1511 is connected to the first end of the measuring tube section 152, and the second mounting groove 1512 is connected to the second end of the measuring tube section 152. The propagation direction of the ultrasonic signal emitted by the first transducer 13 and the propagation direction of the ultrasonic signal emitted by the second transducer 14 are both consistent with the extension direction of the axis of the measuring tube section 152. The first transition tube section 154 and the second transition tube section 155 are respectively connected to the measuring tube section 152 along its axial direction, close to its two ends. At the end, the fluid flow direction in the first transition pipe section 154 intersects with the fluid flow direction in the measuring pipe section 152, and the angle between the fluid flow direction in the first transition pipe section 154 and the fluid flow direction in the measuring pipe section 152 is an obtuse angle. The fluid flow direction in the second transition pipe section 155 intersects with the fluid flow direction in the measuring pipe section 152. The first transition pipe section 154 is used to connect the upstream fluid pipeline of the fluid measurement system, and the second transition pipe section 155 is used to connect the downstream fluid pipeline of the fluid measurement system. Along the direction from the first transition pipe section 154 to the measuring pipe section 152, the flow area of ​​the first transition pipe section 154 gradually decreases, and except for the connection part between the first transition pipe section 154 and the measuring pipe section 152, the flow area at any point in the first transition pipe section 154 is greater than the flow area of ​​the measuring pipe section 152.

[0118] Since the measuring pipe section 152 has a first mounting groove 1511 and a second mounting groove 1512 respectively at both ends of the axial direction, the first mounting groove 1511 is equipped with a first transducer 13, and the second mounting groove 1512 is equipped with a second transducer 14. The first mounting groove 1511 is connected to the first end of the measuring pipe section 152, and the second mounting groove 1512 is connected to the second end of the measuring pipe section 152. The propagation direction of the ultrasonic signal emitted by the first transducer 13 and the propagation direction of the ultrasonic signal emitted by the second transducer 14 are both consistent with the extension direction of the axial direction of the measuring pipe section 152. Therefore, the measuring pipe section 152 can simultaneously form a measuring channel for fluid flow and a channel for ultrasonic wave propagation. Compared with the measuring pipe 15 of the traditional measuring device, the reflective panel required for ultrasonic wave transmission and reception propagation and the complex reduced diameter pipe section required to support the reflective panel are eliminated. The structure of the fluid measuring pipe 15 of this utility model is greatly simplified, thereby reducing the manufacturing difficulty and manufacturing cost of the fluid measuring pipe 15. At the same time, it allows the ultrasonic signal to propagate directly along the axis of the measuring pipe section 152 between the two transducers, which avoids the obstruction of the fluid by the complex reduced diameter pipe section required for setting up the reflection structure and supporting the reflection plate, reduces the pressure loss of the fluid, reduces the complexity of the fluid flow field, and thus improves the stability and accuracy of the measurement. On the other hand, it can also prevent foreign objects from blocking the fluid flow channel, which facilitates the promotion and application of the fluid measurement pipe 15 structure.

[0119] Furthermore, since the first transition pipe section 154 is used to connect the upstream fluid pipeline of the fluid measurement system, and the second transition pipe section 155 is used to connect the downstream fluid pipeline of the fluid measurement system, the flow area of ​​the first transition pipe section 154 gradually decreases along the direction from the first transition pipe section 154 to the measuring pipe section 152. Except for the connection between the first transition pipe section 154 and the measuring pipe section 152, the flow area of ​​the first transition pipe section 154 is greater than that of the measuring pipe section 152. Therefore, when the fluid flows to the first transition pipe section 154, the flow area of ​​the fluid in the first transition pipe section 154 gradually decreases, ensuring that the pressure of the fluid in the first transition pipe section 154 is always less than that in the measuring pipe section 152, and that the pressure of the fluid gradually increases, thereby minimizing the pressure loss of the fluid in the first transition pipe section 154. Except for the connection between the first transition pipe section 154 and the measuring pipe section 152, the flow area at any position of the first transition pipe section 154 is larger than the flow area of ​​the measuring pipe section 152. This means that the fluid always flows through the pipe section with the larger flow area before entering the measuring pipe section 152. This results in a smaller pressure loss of the fluid flowing through the first transition pipe section 154, which helps to reduce the pressure loss on the path of the fluid to the measuring pipe section 152 and reduce the velocity loss caused by pressure, thereby improving the final measurement accuracy. At the same time, since the flow area of ​​the first transition pipe section 154 gradually decreases, the inner diameter of the first transition pipe section 154 can gradually decrease, thereby reducing the connection length between the first transition pipe section 154 and the measuring pipe section 152 in the axial direction. This is equivalent to increasing the effective length of the measuring pipe section 152, which can further improve the final measurement accuracy.

[0120] Additionally, in some embodiments, such as Figure 12 and Figure 13 As shown, along the direction from the second transition pipe section 155 to the measuring pipe section 152, the flow area of ​​the second transition pipe section 155 gradually decreases, and except for the connection between the second transition pipe section 155 and the measuring pipe section 152, the flow area at any point in the second transition pipe section 155 is greater than the flow area of ​​the measuring pipe section 152.

[0121] With this configuration, as the fluid flows from the measuring pipe section 152 to the second transition pipe section 155, the flow area of ​​the fluid in the second transition pipe section 155 gradually increases. Except at the connection between the second transition pipe section 155 and the measuring pipe section 152, the pressure of the fluid in the second transition pipe section 155 is always lower than that in the measuring pipe section 152, and the pressure of the fluid gradually decreases, thereby reducing the pressure loss of the fluid in the second transition pipe section 155. Except at the connection between the second transition pipe section 155 and the measuring pipe section 152, the flow area at any position in the second transition pipe section 155 is larger than that in the measuring pipe section 152. This is equivalent to the fluid always flowing through a pipe section with a larger flow area before flowing out of the downstream fluid pipe of the fluid measurement system, resulting in a smaller pressure loss of the fluid flowing through the second transition pipe section 155 and reducing the velocity loss caused by pressure.

[0122] Additionally, in some embodiments, such as Figure 14 As shown, the axis of the measuring tube 15 is a straight line. The tube wall of the measuring tube 15 is provided with a first mounting groove 1511 and a second mounting groove 1512 spaced apart along the axis of the measuring tube 15. Both the first mounting groove 1511 and the second mounting groove 1512 are connected to the interior of the measuring tube 15. A first transducer 13 is installed in the first mounting groove 1511, and a second transducer 14 is installed in the second mounting groove 1512. A first reflector 1591 and a second reflector 1592 are provided in the measuring tube 15. The first reflector 1591 and the second reflector 1592 are spaced apart. 591 has a first reflective surface, and the second reflector 1592 has a second reflective surface. The first reflective surface faces both the first transducer 13 and the second reflective surface, and the second reflective surface faces both the second transducer 14 and the first reflective surface. When the first transducer 13 emits ultrasonic waves, the ultrasonic waves are reflected by the first reflective surface to the second reflective surface, so that the ultrasonic waves are reflected by the second reflective surface to the second transducer 14. When the second transducer 14 emits ultrasonic waves, the ultrasonic waves are reflected by the second reflective surface to the first reflective surface, so that the ultrasonic waves are reflected by the first reflective surface to the first transducer 13. With this configuration, once fluid flows through the measuring tube 15, the first transducer 13 can emit ultrasonic waves. These ultrasonic waves can be reflected by the first reflective surface of the first reflector 1591, and then reflected to the second reflective surface of the second reflector 1592, and then reflected to the second transducer 14. Alternatively, the second transducer 14 emits ultrasonic waves, which are reflected by the second reflective surface of the second reflector 1592, and then reflected to the first reflective surface of the first reflector 1591, and then reflected to the first transducer 13. This allows the control component 12 to measure and determine the propagation time and time difference of ultrasonic waves in the fluid flowing downstream and upstream in the measuring tube 15, thereby facilitating the determination of parameters such as fluid velocity and flow rate.

[0123] In some embodiments, the device body 10 is a fluid flow meter. This fluid flow meter includes, but is not limited to, oil meters, water meters, and natural gas meters.

[0124] This application provides an Internet of Things (IoT) system, which includes a communication base station and IoT devices from any of the above embodiments; the IoT devices and the communication base station are connected via an antenna assembly.

[0125] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0126] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. An Internet of Things (IoT) device, characterized in that, The IoT device includes: a device body, an antenna assembly, a connector assembly, and a locking assembly; The connector assembly includes a first connector and a second connector. One of the first connector and the second connector is connected to the device body and the antenna assembly via a first wire, and the other of the first connector and the second connector is fixed to the device body and the antenna assembly; or, one of the first connector and the second connector is connected to the device body and the antenna assembly via a second wire, and the other of the first connector and the second connector is connected to the device body and the antenna assembly via a third wire. The first connector and the second connector are detachably connected. The locking component is disposed at the first connector and the second connector. The locking component is used to lock and seal the connection between the first connector and the second connector to achieve waterproofing and moisture protection. The device body is used to measure the flow rate and velocity of the fluid.

2. The Internet of Things device according to claim 1, characterized in that, The locking assembly includes a first locking member and a second locking member; The first connector and the first locking member are separate structures. The first connector is connected to the first wire. The first locking member has a first receiving cavity and a first opening. The first opening communicates with the first receiving cavity. The bottom wall of the first receiving cavity is provided with a through hole. The first wire passes through the through hole so that the first locking member is movable relative to the first wire. The second connector and the second locking member are integral structures. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity. The size of the first receiving cavity is larger than the size of the first connector. The first connector can extend into the second receiving cavity and connect with the second connector. The first locking member can be sleeved on the outer wall of the second locking member to lock the two together.

3. The Internet of Things device according to claim 1, characterized in that, The locking assembly includes a first locking member and a second locking member; The first connector and the first locking member are separate structures. The first connector is connected to the second wire. The first locking member has a first receiving cavity and a first opening. The first opening communicates with the first receiving cavity. The bottom wall of the first receiving cavity is provided with a through hole. The second wire passes through the through hole so that the first locking member is movable relative to the second wire. The second connector and the second locking member are integral structures, and the second connector is connected to the third wire. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity. The size of the first receiving cavity is larger than the size of the first connector. The first connector can extend into the second receiving cavity and connect with the second connector. The first locking member can be sleeved on the outer wall of the second locking member to lock the two together.

4. The Internet of Things device according to claim 1, characterized in that, The locking assembly includes a first locking member and a second locking member; The first connector and the first locking member are an integral structure, and the first locking member covers the first connector in the circumferential direction of the first connector; The second connector and the second locking member are an integral structure. The second locking member has a second receiving cavity and a second opening. The second opening communicates with the second receiving cavity. The second connector is disposed in the second receiving cavity. The size of the second receiving cavity is larger than the size of the end of the first locking member where the first connector is located. One end of the first locking member can extend into the second receiving cavity so that the first connector abuts against the second connector and the two are locked together by the first locking member and the second locking member.

5. The Internet of Things device according to claim 4, characterized in that, The first locking member has a first boss structure that extends along the circumferential direction of the first locking member. A first sealing ring is sleeved on the first locking member, and the first sealing ring is located on the side of the first boss structure facing the second locking member.

6. The Internet of Things device according to claim 2 or 3, characterized in that, The outer wall of the first connector is provided with a second boss structure, and the second boss structure extends along the circumferential direction of the first connector. A second sealing ring is provided on the side of the second boss structure facing the second connector. When the first connector extends into the second receiving cavity and connects with the second connector, the first sealing ring abuts against the side wall of the opening of the second receiving cavity, and the first locking member is sleeved on the outer wall of the second locking member to lock the two together.

7. The Internet of Things device according to claim 2 or 3, characterized in that, The outer wall of the second locking member is provided with an external thread, and the cavity wall of the first receiving cavity is provided with an internal thread, wherein the internal thread matches the external thread.

8. The Internet of Things (IoT) device according to any one of claims 2-4, characterized in that, One of the outer walls of the first locking member and the second locking member is provided with a buckle, and the other is provided with a locking platform.

9. The Internet of Things device according to claim 1, characterized in that, The antenna assembly includes an antenna substrate, on which an antenna element is disposed, and the antenna element is used to transmit or receive signals. The antenna substrate is electrically connected to the third conductor.

10. The Internet of Things device according to claim 9, characterized in that, The antenna assembly further includes an insulating layer disposed on the side of the antenna substrate opposite to the antenna element.

11. The Internet of Things device according to claim 9, characterized in that, The antenna assembly further includes an adhesive layer disposed on the side of the antenna substrate opposite to the antenna element.

12. The Internet of Things device according to claim 9, characterized in that, The antenna substrate is provided with a through hole, which is used to pass through at least one of the wire, the connector assembly, and the fixing member.

13. The Internet of Things device according to claim 1, characterized in that, The device body includes a housing, a control component, a first transducer, a second transducer, and a measuring tube; The measuring tube and the control component are both disposed in the housing. The first transducer and the second transducer are both installed in the measuring tube. The first transducer and the second transducer are both electrically connected to the control component. One of the first connector and the second connector is electrically connected to the control component. One of the first transducer and the second transducer is used to emit ultrasonic waves, and the other is used to receive ultrasonic waves and generate a response voltage wave.

14. The Internet of Things device according to claim 13, characterized in that, The measuring tube includes an inflow section and a measuring section; The measuring pipe section includes a first pipe section, a second pipe section, and a third pipe section. The third pipe section includes a first sub-segment, a third sub-segment, and a second sub-segment connected in sequence. The third sub-segment is located between the first sub-segment and the second sub-segment. The opening of the first sub-segment away from the third sub-segment is connected to the first pipe section, and the opening of the first sub-segment away from the third sub-segment is connected to the inflow pipe section. The opening of the second sub-segment away from the third sub-segment is connected to the second pipe section. The inflow pipe section is configured such that fluid flows from the inflow pipe section into the first sub-segment. The first pipe segment has a first mounting groove at the end away from the first sub-segment, and the second pipe segment has a second mounting groove at the end away from the second sub-segment. The first mounting groove is equipped with the first transducer, and the second mounting groove is equipped with the second transducer. In the direction from the inflow pipe section to the first sub-section, the flow area of ​​the inflow pipe section gradually decreases, and the flow area at the connection point between the inflow pipe section and the first sub-section is greater than or equal to the flow area of ​​the measuring pipe section. The axis of the connection point between the first sub-section and the inflow pipe section intersects with the axis of the inflow pipe section and forms a first included angle, which is an obtuse angle. The axis of the first pipe section intersects with the axis of the third sub-section, and the axis of the second pipe section intersects with the axis of the third sub-section.

15. The Internet of Things device according to claim 14, characterized in that, The measuring tube also includes an outflow tube section; The second sub-segment, located away from the third sub-segment, is connected to the outflow pipe segment. Along the direction from the second sub-segment to the outflow pipe segment, the flow area of ​​the outflow pipe segment gradually increases. The flow area at the connection point between the outflow pipe segment and the second sub-segment is greater than or equal to the flow area of ​​the measuring pipe segment. The axis of the connection point between the second sub-segment and the outflow pipe segment intersects with the axis of the outflow pipe segment and forms a second included angle, which is an obtuse angle.

16. The Internet of Things device according to claim 13, characterized in that, The measuring tube includes: a measuring tube section, a first transition tube section, and a second transition tube section; The measuring pipe section has a first mounting groove and a second mounting groove at both ends along its axial direction. The first mounting groove is equipped with the first transducer, and the second mounting groove is equipped with the second transducer. The first mounting groove is connected to the first end of the measuring pipe section, and the second mounting groove is connected to the second end of the measuring pipe section. The propagation direction of the ultrasonic signal emitted by the first transducer and the propagation direction of the ultrasonic signal emitted by the second transducer are both consistent with the extension direction of the axis of the measuring pipe section. The first transition pipe section and the second transition pipe section are respectively connected to the two ends of the measuring pipe section along the axial direction. The fluid flow direction in the first transition pipe section intersects with the fluid flow direction in the measuring pipe section, and the angle between the fluid flow direction in the first transition pipe section and the fluid flow direction in the measuring pipe section is an obtuse angle. The fluid flow direction in the second transition pipe section intersects with the fluid flow direction in the measuring pipe section. The first transition pipe section is used to connect the upstream fluid pipeline of the fluid measurement system, and the second transition pipe section is used to connect the downstream fluid pipeline of the fluid measurement system. Along the direction from the first transition pipe section to the measuring pipe section, the flow area of ​​the first transition pipe section gradually decreases, and except for the connection between the first transition pipe section and the measuring pipe section, the flow area at any point in the first transition pipe section is greater than the flow area of ​​the measuring pipe section.

17. The Internet of Things device according to claim 16, characterized in that, Along the direction from the second transition pipe section to the measuring pipe section, the flow area of ​​the second transition pipe section gradually decreases, and except for the connection between the second transition pipe section and the measuring pipe section, the flow area at any point in the second transition pipe section is greater than the flow area of ​​the measuring pipe section.

18. The Internet of Things device according to claim 13, characterized in that, The axis of the measuring tube is a straight line. The tube wall of the measuring tube is provided with a first mounting groove and a second mounting groove at intervals along the axis of the measuring tube. Both the first mounting groove and the second mounting groove are connected to the interior of the measuring tube. The first transducer is installed in the first mounting groove and the second transducer is installed in the second mounting groove. The measuring tube is provided with a first reflector and a second reflector, which are distributed at intervals. The first reflector has a first reflective surface, and the second reflector has a second reflective surface. The first reflective surface faces both the first transducer and the second reflective surface, and the second reflective surface faces both the second transducer and the first reflective surface. When the first transducer emits an ultrasonic wave, the ultrasonic wave is reflected by the first reflecting surface to the second reflecting surface, so that the ultrasonic wave is reflected by the second reflecting surface to the second transducer; when the second transducer emits an ultrasonic wave, the ultrasonic wave is reflected by the second reflecting surface to the first reflecting surface, so that the ultrasonic wave is reflected by the first reflecting surface to the first transducer.

19. The Internet of Things device according to claim 1, characterized in that, The device itself is a fluid flow meter.

20. An Internet of Things (IoT) system, characterized in that, The Internet of Things (IoT) system includes a communication base station and the IoT device according to any one of claims 1-19; The IoT device and the communication base station are connected via the antenna assembly.

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