Metering device for liquid flow detection

Abstract

The metering device comprises an installation connector, a flow detection sensor and a machine body, the flow detection sensor is installed on the side face of the installation connector, the machine body is installed in front of the installation connector, the flow detection sensor is communicated with a machine body circuit, a photovoltaic panel is arranged at the rear end of the installation connector, and the photovoltaic panel is connected with the machine body circuit. A power supply circuit of the photovoltaic panel is connected with the machine body, and the photovoltaic panel is detachably connected with the mounting connector. A flow detection sensor is installed at the top of the installation connector and inserted into an inner cavity of the installation connector, the flow of liquid passing through the installation connector can be detected and transmitted to the machine body, then the machine body can conveniently transmit data back to a terminal, meanwhile, a photovoltaic panel is arranged on one side of the installation connector, and the machine body can be powered through the photovoltaic panel; the machine body can be used on a remote pipeline, and the use applicability of the whole liquid flow metering device is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow metering devices, in particular to a metering device for detecting liquid flow. Background Art

[0002] When detecting the flow rate of liquid, a flow metering device is used. The flow metering device is installed on the pipe where the liquid flows, and the flow rate of the liquid flowing through can be easily measured. This is also the most commonly used method for detecting the flow rate of liquid. However, due to the change in the use requirements, the structure of the flow metering device is also constantly improving. For example, the Chinese patent authorization announcement number CN213810054U discloses a liquid flow metering detection device, including a metering detection device body, a mounting seat is provided on the metering detection device body, and the upper end of the mounting seat is connected to a mounting rod through a flange structure, and a metering display is installed on the upper end of the mounting rod, the metering detection device body is provided with a box body, and one side of the box body is connected to a cover body through a hinge, the cover body is provided with a display window, and one side of the cover body is evenly connected with a first magnetic block, the lower end of the box body is provided with a groove, and the lower end of the groove of the box body is connected to a second fixed block, and a first fixed block is provided on one side of the second fixed block, a fixed cavity is provided in the box body, and a card block is evenly provided on the side of the fixed cavity, and a second magnetic block is engaged in the card block. The liquid flow metering and detecting device can fix the metering display in the box structure for protection and dust prevention, and the box can be conveniently opened through the cover to facilitate reading of the metering and detecting device.

[0003] The liquid flow metering detection device provided by the above patent has a box structure on the top, which can effectively protect the liquid flow metering device. However, most of the existing liquid flow metering detection devices are powered by cables, and it is inconvenient to power the liquid flow metering device installed on some remote pipelines, which limits the use of the liquid flow metering device and is not conducive to the flexible use of the liquid flow metering device. Utility Model Content

[0004] The purpose of the utility model is to provide a metering device for liquid flow detection, aiming to improve the problem that the existing liquid flow metering detection devices are mostly powered by cables, which are not convenient to use on some remote pipelines, resulting in limited use and inflexible use.

[0005] The utility model is achieved in this way:

[0006] A metering device for detecting liquid flow comprises a mounting joint, a flow detection sensor and a body, wherein the flow detection sensor is mounted on the side of the mounting joint, and the body is mounted in front of the mounting joint, the flow detection sensor is connected to the body circuit, a photovoltaic panel is provided at the rear end of the mounting joint, a power supply line of the photovoltaic panel is connected to the body, and the photovoltaic panel and the mounting joint are detachably connected.

[0007] Preferably, connecting plates are provided at both ends of the mounting joint, a plurality of connecting holes are provided at the edge of the connecting plate, threaded holes are provided on the side of the mounting joint, a mounting plate is connected to the front end of the mounting joint, the mounting plate is L-shaped, and a connecting plate is provided at the rear end of the mounting joint, the connecting plate is inclinedly provided with a diagonal support plate, a card slot is provided in the middle of the diagonal support plate, and the cross-section of the card slot is a T-shaped structure; a top screw is provided on the bottom surface of the diagonal support plate.

[0008] Preferably, a threaded joint is provided at the bottom end of the flow detection sensor, a detection probe is provided on the bottom surface of the threaded joint, a wire is provided at the top of the flow detection sensor, and a connecting cap is provided at the end of the wire.

[0009] Preferably, a sleeve is provided on the back of the body, a sleeve hole is provided in the middle of the sleeve, a clamping knob is provided at the bottom of the back of the sleeve, and a clamping bolt is provided on the top of the clamping knob, a plug-in groove is provided on the side of the body, a threaded groove is provided on one side of the top of the body, a connecting head is provided in the middle of the top of the body, and the connecting head is connected to the connecting cap.

[0010] Preferably, a clamping rod is provided on the back of the photovoltaic panel, a connecting wire is provided at the bottom of the photovoltaic panel, a connecting connector is provided at the end of the connecting wire, and the connecting connector is connected to the bottom of the body.

[0011] Preferably, a wireless transmitter is provided on the top of the body, and the wireless transmitter is installed on the top of the body. A connection line is provided on one side of the bottom of the wireless transmitter, and a plug connector is provided at the end of the connection line, and the plug connector is connected to the body.

[0012] Preferably, a baffle is provided just above the machine body, a connecting plate is provided at the bottom of the baffle, an insert plate is provided at the bottom end of the connecting plate, the insert plate is inserted into the sleeve hole and connected to the machine body, and the clamping bolt is against the insert plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A flow detection sensor is installed on the top of the installation joint of the utility model. The flow detection sensor is inserted into the inner cavity of the installation joint, which can detect the liquid flow passing through the installation joint and transmit it to the machine body, thereby facilitating the machine body to transmit the data back to the terminal. At the same time, a photovoltaic panel is provided on one side of the installation joint, and the machine body can be powered by the photovoltaic panel, which ensures that the machine body can be used on remote pipelines and improves the applicability of the entire liquid flow metering device.

[0015] 2. A wireless transmitter is installed on the top of the body of the utility model, and the data detected by the body can be transmitted to the terminal in a wireless manner through the wireless transmitter, so that the terminal can understand the flow rate of the liquid inside the pipeline in real time.

[0016] 3. The utility model has a baffle installed on the machine body, which can prevent rain from wetting the machine body, thereby achieving the purpose of protecting the machine body and preventing the machine body from being damaged by moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the utility model installation joint at the rear end obliquely viewed from above;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model installation joint at the rear end obliquely viewed from an upward angle;

[0020] Figure 4 It is a structural schematic diagram of the flow detection sensor of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the body of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the photovoltaic panel of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the wireless transmitter of the utility model;

[0024] Figure 8 It is a structural schematic diagram of the baffle of the utility model.

[0025] In the figure: 1. Mounting joint; 11. Connecting plate; 12. Connecting hole; 13. Threaded hole; 14. Mounting plate; 15. Connecting plate; 16. Bracing plate; 17. Slot; 18. Top screw; 2. Flow detection sensor; 21. Threaded joint; 22. Detection probe; 23. Wire; 24. Connecting cap; 3. Machine body; 31. Socket; 32. Clamping knob; 33. Clamping bolt; 34. Socket hole; 35. Plug slot; 36. Threaded slot; 37. Connector; 4. Photovoltaic panel; 41. Clamping rod; 42. Communication line; 43. Communication connector; 5. Wireless transmitter; 51. Connection line; 52. Plug connector; 6. Baffle; 61. Connecting plate; 62. Plug plate. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0028] Example 1

[0029] like Figure 1 As shown, a metering device for detecting liquid flow rate includes a mounting joint 1, a flow detection sensor 2 and a body 3. The mounting joint 1 is used to be installed on a pipeline where fluid flows, so as to facilitate the disassembly and assembly of the entire flow metering device. The flow detection sensor 2 is installed on the side of the mounting joint 1, and the flow detection sensor 2 is used to detect the flow through the mounting joint 1. And the body 3 is installed in front of the mounting joint 1, and the body 3 is convenient for cooperating with the flow detection sensor 2 to detect the fluid flow through the mounting joint 1. The flow detection sensor 2 is connected to the body 3 circuit, which facilitates the power supply of the flow detection sensor 2. A photovoltaic panel 4 is provided at the rear end of the mounting joint 1, and the power supply line of the photovoltaic panel 4 is connected to the body 3. This structure is that the electricity generated by the photovoltaic panel 4 is supplied to the body 3. And the photovoltaic panel 4 and the mounting joint 1 are detachably connected, and this structure is convenient for the disassembly and replacement of the photovoltaic panel 4.

[0030] like Figure 2 and Figure 3As shown, both ends of the mounting joint 1 are provided with connection plates 11, and the edge of the connection plate 11 is provided with a plurality of connection holes 12. The cooperation between the connection plate 11 and the connection hole 12 is convenient for the connection of the mounting joint 1 with the pipeline, and convenient for the liquid flow to pass through the mounting joint 1. The side of the mounting joint 1 is provided with a threaded hole 13, and the threaded hole 13 is convenient for installing the flow detection sensor 2, and the flow detection sensor 2 is installed and fixed with the mounting joint 1. The front end of the mounting joint 1 is connected with a mounting plate 14, and the mounting plate 14 is L-shaped. The L-shape of the mounting plate 14 is convenient for the connection of the mounting plate 14 with the body 3. And the rear end of the mounting joint 1 is provided with a connecting plate 15, and the connecting plate 15 is inclined with a diagonal support plate 16, and the connecting plate 15 is a diagonal support rod to facilitate the installation and use of the photovoltaic panel 4. A card slot 17 is provided in the middle of the diagonal support plate 16, and the cross section of the card slot 17 is a T-shaped structure; the card slot 17 is convenient for the photovoltaic panel 4 to be stably engaged with the diagonal support plate 16. The bottom surface of the diagonal support plate 16 is provided with a top screw 18, and the top screw 18 is the position of fixing the photovoltaic panel 4.

[0031] like Figure 4 As shown, a threaded joint 21 is provided at the bottom of the flow detection sensor 2, and the threaded joint 21 is convenient for threading the flow detection sensor 2 with the mounting joint 1. A detection probe 22 is provided on the bottom of the threaded joint 21, and the detection probe 22 is convenient for detecting the fluid flow. A wire 23 is provided at the top of the flow detection sensor 2, and a connecting cap 24 is provided at the end of the wire 23. The wire 23 and the connecting cap 24 are convenient for connecting the flow detection sensor 2 with the top of the body 3.

[0032] like Figure 5 As shown, a sleeve 31 is provided on the back of the body 3, and a sleeve hole 34 is provided in the middle of the sleeve 31. The sleeve 31 cooperates with the sleeve hole 34 to facilitate the connection between the body 3 and the mounting plate 14. A clamping knob 32 is provided at the bottom of the back of the sleeve 31. The clamping knob 32 is convenient to be pressed against the mounting plate 14, so as to facilitate the stable installation of the body 3. A clamping bolt 33 is provided on the top of the clamping knob 32, and the clamping bolt 33 is used to fix the external components. A plug-in slot 35 is provided on the side of the body 3, and the plug-in slot 35 is convenient for the external components to be connected to the body 3. A threaded groove 36 is provided on one side of the top of the body 3, and the threaded groove 36 is convenient for installing external components. A connector 37 is provided in the middle of the top of the body 3, and the connector 37 is connected to the connecting cap 24; this structure facilitates the circuit connection between the body 3 and the flow detection sensor 2.

[0033] like Figure 6 As shown, a clamping rod 41 is provided on the back of the photovoltaic panel 4, and the clamping rod 41 is convenient for the photovoltaic panel 4 to be clamped together with the diagonal support plate 16. A connecting wire 42 is provided at the bottom of the photovoltaic panel 4, and a connecting connector 43 is provided at the end of the connecting wire 42, and the connecting connector 43 is connected to the bottom of the body 3; the connecting wire 42 and the connecting connector 43 enable the power generated by the photovoltaic panel 4 to be supplied to the body 3.

[0034] Working principle: When in use, install the installation joint 1 on the fluid pipeline according to the use requirements, then install the flow detection sensor 2 on the installation joint 1, and connect the body 3 and the photovoltaic panel 4 to the installation joint 1, and then connect the photovoltaic panel 4 to the body 3, so that the body 3 can cooperate with the flow sensor to measure the fluid flow through the installation joint 1. The photovoltaic panel 4 generates electricity so that the fluid flow metering device can be used in remote locations. Compared with the prior art, the flow detection sensor 2 is installed on the top of the installation joint 1 of the present application, and the flow detection sensor 2 is inserted into the inner cavity of the installation joint 1, which can detect the liquid flow through the installation joint 1 and transmit it to the body 3, thereby facilitating the body 3 to transmit the data back to the terminal. At the same time, a photovoltaic panel 4 is provided on one side of the installation joint 1, and the body 3 can be powered by the photovoltaic panel 4, which ensures that the body 3 can be used on remote pipelines and improves the applicability of the entire liquid flow metering device.

[0035] Example 2

[0036] like Figure 1 As shown, a metering device for detecting liquid flow rate includes a mounting joint 1, a flow detection sensor 2 and a body 3. The mounting joint 1 is used to be installed on a pipeline where fluid flows, so as to facilitate the disassembly and assembly of the entire flow metering device. The flow detection sensor 2 is installed on the side of the mounting joint 1, and the flow detection sensor 2 is used to detect the flow through the mounting joint 1. And the body 3 is installed in front of the mounting joint 1, and the body 3 is convenient for cooperating with the flow detection sensor 2 to detect the fluid flow through the mounting joint 1. The flow detection sensor 2 is connected to the body 3 circuit, which facilitates the power supply of the flow detection sensor 2. A photovoltaic panel 4 is provided at the rear end of the mounting joint 1, and the power supply line of the photovoltaic panel 4 is connected to the body 3. This structure is that the electricity generated by the photovoltaic panel 4 is supplied to the body 3. And the photovoltaic panel 4 and the mounting joint 1 are detachably connected, and this structure is convenient for the disassembly and replacement of the photovoltaic panel 4.

[0037] like Figure 2 and Figure 3As shown, both ends of the mounting joint 1 are provided with connection plates 11, and the edge of the connection plate 11 is provided with a plurality of connection holes 12. The cooperation between the connection plate 11 and the connection hole 12 is convenient for the connection of the mounting joint 1 with the pipeline, and convenient for the liquid flow to pass through the mounting joint 1. The side of the mounting joint 1 is provided with a threaded hole 13, and the threaded hole 13 is convenient for installing the flow detection sensor 2, and the flow detection sensor 2 is installed and fixed with the mounting joint 1. The front end of the mounting joint 1 is connected with a mounting plate 14, and the mounting plate 14 is L-shaped. The L-shape of the mounting plate 14 is convenient for the connection of the mounting plate 14 with the body 3. And the rear end of the mounting joint 1 is provided with a connecting plate 15, and the connecting plate 15 is inclined with a diagonal support plate 16, and the connecting plate 15 is a diagonal support rod to facilitate the installation and use of the photovoltaic panel 4. A card slot 17 is provided in the middle of the diagonal support plate 16, and the cross section of the card slot 17 is a T-shaped structure; the card slot 17 is convenient for the photovoltaic panel 4 to be stably engaged with the diagonal support plate 16. The bottom surface of the diagonal support plate 16 is provided with a top screw 18, and the top screw 18 is the position of fixing the photovoltaic panel 4.

[0038] like Figure 4 As shown, a threaded joint 21 is provided at the bottom of the flow detection sensor 2, and the threaded joint 21 is convenient for threading the flow detection sensor 2 with the mounting joint 1. A detection probe 22 is provided on the bottom of the threaded joint 21, and the detection probe 22 is convenient for detecting the fluid flow. A wire 23 is provided at the top of the flow detection sensor 2, and a connecting cap 24 is provided at the end of the wire 23. The wire 23 and the connecting cap 24 are convenient for connecting the flow detection sensor 2 with the top of the body 3.

[0039] like Figure 5 As shown, a sleeve 31 is provided on the back of the body 3, and a sleeve hole 34 is provided in the middle of the sleeve 31. The sleeve 31 cooperates with the sleeve hole 34 to facilitate the connection between the body 3 and the mounting plate 14. A clamping knob 32 is provided at the bottom of the back of the sleeve 31. The clamping knob 32 is convenient to be pressed against the mounting plate 14, so as to facilitate the stable installation of the body 3. A clamping bolt 33 is provided on the top of the clamping knob 32, and the clamping bolt 33 is used to fix the external components. A plug-in slot 35 is provided on the side of the body 3, and the plug-in slot 35 is convenient for the external components to be connected to the body 3. A threaded groove 36 is provided on one side of the top of the body 3, and the threaded groove 36 is convenient for installing external components. A connector 37 is provided in the middle of the top of the body 3, and the connector 37 is connected to the connecting cap 24; this structure facilitates the circuit connection between the body 3 and the flow detection sensor 2.

[0040] like Figure 6 As shown, a clamping rod 41 is provided on the back of the photovoltaic panel 4, and the clamping rod 41 is convenient for the photovoltaic panel 4 to be clamped together with the diagonal support plate 16. A connecting wire 42 is provided at the bottom of the photovoltaic panel 4, and a connecting connector 43 is provided at the end of the connecting wire 42, and the connecting connector 43 is connected to the bottom of the body 3; the connecting wire 42 and the connecting connector 43 enable the power generated by the photovoltaic panel 4 to be supplied to the body 3.

[0041] like Figure 7As shown, a wireless transmitter 5 is provided on the top of the body 3. The wireless transmitter 5 is installed on the top of the body 3. The wireless transmitter 5 is used to smoothly send the sent data to the terminal. A connection line 51 is provided on one side of the bottom of the wireless transmitter 5. A plug connector 52 is connected to the body 3 at the end of the connection line 51. The plug connector 52 is connected to the body 3. This structure is that the wireless transmitter 5 is connected to the internal circuit of the body 3.

[0042] Example 3

[0043] like Figure 1 As shown, a metering device for detecting liquid flow rate includes a mounting joint 1, a flow detection sensor 2 and a body 3. The mounting joint 1 is used to be installed on a pipeline where fluid flows, so as to facilitate the disassembly and assembly of the entire flow metering device. The flow detection sensor 2 is installed on the side of the mounting joint 1, and the flow detection sensor 2 is used to detect the flow through the mounting joint 1. And the body 3 is installed in front of the mounting joint 1, and the body 3 is convenient for cooperating with the flow detection sensor 2 to detect the fluid flow through the mounting joint 1. The flow detection sensor 2 is connected to the body 3 circuit, which facilitates the power supply of the flow detection sensor 2. A photovoltaic panel 4 is provided at the rear end of the mounting joint 1, and the power supply line of the photovoltaic panel 4 is connected to the body 3. This structure is that the electricity generated by the photovoltaic panel 4 is supplied to the body 3. And the photovoltaic panel 4 and the mounting joint 1 are detachably connected, and this structure is convenient for the disassembly and replacement of the photovoltaic panel 4.

[0044] like Figure 2 and Figure 3 As shown, both ends of the mounting joint 1 are provided with connection plates 11, and the edge of the connection plate 11 is provided with a plurality of connection holes 12. The cooperation between the connection plate 11 and the connection hole 12 is convenient for the connection of the mounting joint 1 with the pipeline, and convenient for the liquid flow to pass through the mounting joint 1. The side of the mounting joint 1 is provided with a threaded hole 13, and the threaded hole 13 is convenient for installing the flow detection sensor 2, and the flow detection sensor 2 is installed and fixed with the mounting joint 1. The front end of the mounting joint 1 is connected with a mounting plate 14, and the mounting plate 14 is L-shaped. The L-shape of the mounting plate 14 is convenient for the connection of the mounting plate 14 with the body 3. And the rear end of the mounting joint 1 is provided with a connecting plate 15, and the connecting plate 15 is inclined with a diagonal support plate 16, and the connecting plate 15 is a diagonal support rod to facilitate the installation and use of the photovoltaic panel 4. A card slot 17 is provided in the middle of the diagonal support plate 16, and the cross section of the card slot 17 is a T-shaped structure; the card slot 17 is convenient for the photovoltaic panel 4 to be stably engaged with the diagonal support plate 16. The bottom surface of the diagonal support plate 16 is provided with a top screw 18, and the top screw 18 is the position of fixing the photovoltaic panel 4.

[0045] like Figure 4As shown, a threaded joint 21 is provided at the bottom of the flow detection sensor 2, and the threaded joint 21 is convenient for threading the flow detection sensor 2 with the mounting joint 1. A detection probe 22 is provided on the bottom of the threaded joint 21, and the detection probe 22 is convenient for detecting the fluid flow. A wire 23 is provided at the top of the flow detection sensor 2, and a connecting cap 24 is provided at the end of the wire 23. The wire 23 and the connecting cap 24 are convenient for connecting the flow detection sensor 2 with the top of the body 3.

[0046] like Figure 5 As shown, a sleeve 31 is provided on the back of the body 3, and a sleeve hole 34 is provided in the middle of the sleeve 31. The sleeve 31 cooperates with the sleeve hole 34 to facilitate the connection between the body 3 and the mounting plate 14. A clamping knob 32 is provided at the bottom of the back of the sleeve 31. The clamping knob 32 is convenient to be pressed against the mounting plate 14, so as to facilitate the stable installation of the body 3. A clamping bolt 33 is provided on the top of the clamping knob 32, and the clamping bolt 33 is used to fix the external components. A plug-in slot 35 is provided on the side of the body 3, and the plug-in slot 35 is convenient for the external components to be connected to the body 3. A threaded groove 36 is provided on one side of the top of the body 3, and the threaded groove 36 is convenient for installing external components. A connector 37 is provided in the middle of the top of the body 3, and the connector 37 is connected to the connecting cap 24; this structure facilitates the circuit connection between the body 3 and the flow detection sensor 2.

[0047] like Figure 6 As shown, a clamping rod 41 is provided on the back of the photovoltaic panel 4, and the clamping rod 41 is convenient for the photovoltaic panel 4 to be clamped together with the diagonal support plate 16. A connecting wire 42 is provided at the bottom of the photovoltaic panel 4, and a connecting connector 43 is provided at the end of the connecting wire 42, and the connecting connector 43 is connected to the bottom of the body 3; the connecting wire 42 and the connecting connector 43 enable the power generated by the photovoltaic panel 4 to be supplied to the body 3.

[0048] like Figure 7 As shown, a wireless transmitter 5 is provided on the top of the body 3. The wireless transmitter 5 is installed on the top of the body 3. The wireless transmitter 5 is used to smoothly send the sent data to the terminal. A connection line 51 is provided on one side of the bottom of the wireless transmitter 5. A plug connector 52 is connected to the body 3 at the end of the connection line 51. The plug connector 52 is connected to the body 3. This structure is that the wireless transmitter 5 is connected to the internal circuit of the body 3.

[0049] like Figure 8 As shown, a baffle 6 is provided just above the machine body 3, and the baffle 6 is convenient for shielding the machine body 3 to prevent the machine body 3 from being wetted by rain and being exposed to the sun. A connecting plate 61 is provided at the bottom of the baffle 6, and a plugging plate 62 is provided at the bottom of the connecting plate 61. The plugging plate 62 is inserted into the sleeve hole 34 and connected to the machine body 3, and the clamping bolt 33 is against the plugging plate 62. The connecting plate 61 cooperates with the plugging plate 62 to facilitate the installation of the baffle 6 and the use of the baffle 6.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A metering device for detecting liquid flow, comprising a mounting joint (1), a flow detection sensor (2) and a body (3), characterized in that: The flow detection sensor (2) is mounted on the side of the mounting joint (1), and the machine body (3) is mounted in front of the mounting joint (1); the flow detection sensor (2) is connected to the machine body (3) in circuit; a photovoltaic panel (4) is provided at the rear end of the mounting joint (1); a power supply line of the photovoltaic panel (4) is connected to the machine body (3), and the photovoltaic panel (4) and the mounting joint (1) are detachably connected.

2. A liquid flow rate measuring device according to claim 1, characterized in that: Both ends of the mounting joint (1) are provided with connection plates (11), the edges of the connection plates (11) are provided with a plurality of connection holes (12), the side of the mounting joint (1) is provided with threaded holes (13), the front end of the mounting joint (1) is connected with a mounting plate (14), the mounting plate (14) is L-shaped, and the rear end of the mounting joint (1) is provided with a connection plate (15), the connection plate (15) is obliquely provided with a diagonal support plate (16), the middle part of the diagonal support plate (16) is provided with a slot (17), the cross section of the slot (17) is T-shaped; the bottom surface of the diagonal support plate (16) is provided with a top screw (18).

3. A liquid flow rate measuring device according to claim 1, characterized in that: The flow detection sensor (2) is provided with a threaded joint (21) at the bottom end, a detection probe (22) is provided on the bottom surface of the threaded joint (21), a wire (23) is provided at the top of the flow detection sensor (2), and a connection cap (24) is provided at the end of the wire (23).

4. A liquid flow rate measuring device according to claim 3, characterized in that: The back of the machine body (3) is provided with a sleeve (31), the middle of the sleeve (31) is provided with a sleeve hole (34), the bottom of the back of the sleeve (31) is provided with a clamping knob (32), and the top of the clamping knob (32) is provided with a clamping bolt (33), the side of the machine body (3) is provided with a plug-in groove (35), one side of the top of the machine body (3) is provided with a threaded groove (36), and the middle of the top of the machine body (3) is provided with a connecting head (37), and the connecting head (37) is connected to the connecting cap (24).

5. A liquid flow rate measuring device according to claim 1, characterized in that: A clamping rod (41) is provided on the back of the photovoltaic panel (4), a connecting wire (42) is provided at the bottom of the photovoltaic panel (4), a connecting connector (43) is provided at the end of the connecting wire (42), and the connecting connector (43) is connected to the bottom of the machine body (3).

6. A liquid flow rate measuring device according to any one of claims 1 to 5, characterized in that: A wireless transmitter (5) is provided on the top of the machine body (3), and the wireless transmitter (5) is installed on the top of the machine body (3). A connection line (51) is provided on one side of the bottom of the wireless transmitter (5), and a plug connector (52) is provided at the end of the connection line (51), and the plug connector (52) is connected to the machine body (3).

7. A liquid flow rate measuring device according to claim 4, characterized in that: A baffle (6) is provided directly above the machine body (3), a connecting plate (61) is provided at the bottom of the baffle (6), an insert plate (62) is provided at the bottom end of the connecting plate (61), the insert plate (62) is inserted into the sleeve hole (34) and connected to the machine body (3), and the clamping bolt (33) abuts against the insert plate (62).

Images