Multifunctional optical coupling flowmeter

Abstract

The utility model relates to a kind of multifunctional optical coupling flowmeter, including transparent shell, impeller, circuit board, optical coupling component, TDS sensor and temperature sensor, and transparent shell is equipped with the water flow passage for water flow through;Impeller is rotatably connected in transparent shell, and is located in water flow passage;Circuit board is installed and is connected in transparent shell outside;Optical coupling component is electrically connected to circuit board, and the photosensitive area of optical coupling component is towards impeller;TDS sensor is electrically connected to circuit board, and the probe of TDS sensor is located in water flow passage;Temperature sensor is abutted to transparent shell, and is electrically connected to circuit board.The utility model integrates flow detection, temperature detection and TDS value detection function, and realizes the quick installation of multiple function sensors.

Description

Technical Field

[0001] This utility model relates to the field of flow meter technology, and in particular to a multifunctional optocoupler flow meter. Background Technology

[0002] Currently, the sensors used by water purifiers on the market to detect flow rate, water quality, and water temperature are all separate, with limited functionality and low integration. Therefore, when multiple functions of sensors are required, they need to be purchased and installed separately, which is quite cumbersome. Utility Model Content

[0003] Therefore, to address the issues of limited functionality and cumbersome installation of existing water turbine sensors, this invention provides a multifunctional optocoupler flow meter, including a transparent housing, an impeller, a circuit board, an optocoupler assembly, a TDS sensor, and a temperature sensor. The transparent housing has a water flow channel for water to pass through; the impeller is rotatably connected to the transparent housing and disposed within the water flow channel; the circuit board is mounted and connected to the outside of the transparent housing; the optocoupler assembly is electrically connected to the circuit board, and the photosensitive area of ​​the optocoupler assembly faces the impeller; the TDS sensor is electrically connected to the circuit board, and the probe of the TDS sensor is disposed within the water flow channel; the temperature sensor abuts against the transparent housing and is electrically connected to the circuit board.

[0004] Preferably, the transparent housing includes an upper transparent housing, a lower transparent housing, and a first sealing ring, wherein the upper transparent housing is connected to the lower transparent housing, and the first sealing ring is disposed between the upper transparent housing and the lower transparent housing.

[0005] Preferably, the water flow channel of the transparent shell is provided with connecting joints at both ends.

[0006] Preferably, the connecting joint includes a second sealing ring, a cap, and claws. The transparent housing has pipe openings at both ends. The caps are engaged with the pipe openings. The second sealing ring is located between the pipe openings and the caps. The claws are engaged with the caps.

[0007] Preferably, the TDS sensor includes a probe, a housing, and a third sealing ring. The probe is electrically connected to the circuit board, the housing connects and fixes the probe to the circuit board, and the third sealing ring is disposed between the housing and the transparent housing and surrounds the probe.

[0008] Preferably, it also includes thermal grease, the temperature sensor is mounted on the circuit board, one end of the thermal grease abuts against the temperature sensor, and the other end of the thermal grease abuts against the transparent housing.

[0009] Preferably, the temperature sensor is an NTC chip.

[0010] Preferably, it further includes an epoxy resin board, the transparent housing has a receiving cavity, the circuit board is disposed in the receiving cavity, and the epoxy resin board is disposed on the side of the circuit board away from the transparent housing and connected to the transparent housing to seal the receiving cavity.

[0011] Preferably, it also includes a wire, one end of which is electrically connected to the circuit board, and the other end of which extends out from the transparent housing.

[0012] Preferably, the impeller includes impeller blades and a shaft, the impeller blades have a shaft hole at the center, the shaft passes through the shaft hole, and both ends of the shaft are connected to the transparent housing.

[0013] The beneficial effects of this utility model are as follows:

[0014] In this embodiment, the multifunctional optocoupler flowmeter is first connected to the pipeline. Water flows through the water flow channel, impacting the impeller's rotation. The impeller's rotation blocks the output pulse signal of the optocoupler element, and the corresponding flow rate is obtained by calculating the number of pulse signal outputs. During use, the TDS sensor can measure the total dissolved solids in the water flowing through the water flow channel to evaluate the water's mineralization level. Simultaneously, the temperature sensor can measure the water temperature in real time. The flow rate measurement data, total dissolved solids measurement data, and temperature data are transmitted to other external devices via the circuit board. This utility model integrates flow rate detection, temperature detection, and TDS value detection functions into one unit, enabling rapid installation of multiple functional sensors. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0016] Figure 2 This is an exploded view of the structure of an embodiment of the present utility model.

[0017] Figure 3 This is a structural cross-sectional view of an embodiment of the present utility model.

[0018] Figure 4 This is a schematic diagram of the bottom structure of an embodiment of the present utility model.

[0019] In the picture:

[0020] 1. Transparent housing; 2. Impeller; 3. Circuit board; 4. Optocoupler assembly; 5. TDS sensor; 6. Temperature sensor; 7. Thermal grease; 8. Epoxy resin board; 9. Wire; 11. Water flow channel; 12. Upper transparent housing; 13. Lower transparent housing; 14. First sealing ring; 15. Connecting joint; 16. Pipe opening; 17. Receiving cavity; 21. Impeller blade; 22. Shaft; 51. Probe; 52. Plastic shell; 53. Third sealing ring; 151. Second sealing ring; 152. Cap; 153. Claw; 211. Shaft hole. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" or "several" means two or more, unless otherwise explicitly specified.

[0025] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the implementation conditions of this application and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effectiveness and purpose of this application, should still fall within the scope of the technical content disclosed herein. Furthermore, the term "and / or" as used in this specification includes any and all combinations of the related listed items.

[0026] like Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, this utility model provides a multifunctional optical coupler flow meter, including a transparent housing 1, an impeller 2, a circuit board 3, an optical coupler assembly 4, a TDS (Total Dissolved Solids) sensor 5, and a temperature sensor 6. The transparent housing 1 has a water flow channel 11 for water to pass through; the impeller 2 is rotatably connected to the transparent housing 1 and is located inside the water flow channel 11; the circuit board 3 is mounted and connected to the outside of the transparent housing 1; the optical coupler assembly 4 is electrically connected to the circuit board 3, and the photosensitive area of ​​the optical coupler assembly 4 faces the impeller 2; the TDS sensor 5 is electrically connected to the circuit board 3, and the probe of the TDS sensor 5 is located inside the water flow channel 11; the temperature sensor 6 abuts against the transparent housing 1 and is electrically connected to the circuit board 3. Specifically, the position of the photosensitive area of ​​the optical coupler assembly is adapted to the maximum radius position of the impeller 2. In this embodiment, the multifunctional optical coupler flow meter is first connected to a pipeline. Water flows through the water flow channel 11, impacting the impeller 2 to rotate. The rotation of the impeller 2 blocks the output pulse signal of the optical coupler assembly 4. The corresponding flow rate is obtained by calculating the number of pulse signal outputs. During use, the TDS sensor 5 can measure the total dissolved solids in the water flowing through the water flow channel 11 to evaluate the degree of mineralization of the water. At the same time, the temperature sensor 6 can measure the water temperature in real time. The flow rate measurement data, the total dissolved solids measurement data, and the temperature data are transmitted to other external devices via the circuit board 3.

[0027] In one embodiment, the transparent housing 1 includes an upper transparent housing 12, a lower transparent housing 13, and a first sealing ring 14. The upper transparent housing 12 is connected to the lower transparent housing 13, and the first sealing ring 14 is disposed between the upper transparent housing 12 and the lower transparent housing 13. Specifically, the upper transparent housing 12 and the lower transparent housing 13 are connected to form a water flow channel 11. The first sealing ring 14 is used to achieve a sealed connection between the two to prevent water leakage.

[0028] In one embodiment, the water flow channel 11 of the transparent housing 1 is provided with connecting joints 15 at both ends. Specifically, the connecting joints 15 are used to connect to the joints of the pipe at the installation location.

[0029] In one embodiment, the connector 15 includes a second sealing ring 151, a cap 152, and a claw 153. The transparent housing 1 has pipe openings 16 at both ends. The cap 152 is engaged with the pipe opening 16. The second sealing ring 151 is located between the pipe opening 16 and the cap 152, and the claw 153 is engaged with the cap 152. The second sealing ring 151 is used to achieve a sealed connection between the cap 152 and the pipe opening 16. The claw 153 is generally connected to the end of the pipe installation location. The quick engagement of the cap 152 and the claw 153 enables rapid installation of the multifunctional optical coupler flow meter.

[0030] In one embodiment, the TDS sensor 5 includes a probe 51, a housing 52, and a third sealing ring 53. The probe 51 is electrically connected to the circuit board 3. The housing 52 connects and fixes the probe 51 to the circuit board 3. The third sealing ring 53 is disposed between the housing 52 and the transparent housing 1 and surrounds the probe 51. Specifically, the third sealing ring 53 is used to achieve a sealed connection around the probe 51 to prevent water leakage. The housing 52 is used to fix the shape of the probe 51 on the circuit board 3 to ensure that the probe can work stably under water flow impact.

[0031] In one embodiment, the temperature sensor 6 is an NTC (Negative Temperature Coefficient) chip.

[0032] In one embodiment, thermal grease 7 is also included. The temperature sensor 6 is mounted on the circuit board 3, with one end of the thermal grease 7 abutting against the temperature sensor 6 and the other end abutting against the transparent housing 1. Specifically, the NTC chip is soldered onto the circuit board and the entire NTC chip is wrapped with thermal grease 7. The thermal grease 7 is in contact with the transparent housing 1. The thermal grease 7 can fix the NTC chip on the circuit board and also transfer the temperature of the corresponding area of ​​the transparent housing 1 to the NTC chip so that the NTC chip can detect the temperature of the water.

[0033] In one embodiment, an epoxy resin board 8 is also included. A cavity 17 is provided within the transparent housing 1, and the circuit board 3 is disposed within the cavity 17. The epoxy resin board 8 is located on the side of the circuit board 3 facing away from the transparent housing 1 and is connected to the transparent housing 1 to seal the cavity 17. The epoxy resin board 8 can isolate the circuit board from the external environment, achieving sealed protection for the circuit board.

[0034] In one embodiment, a wire 9 is also included, one end of which is electrically connected to the circuit board 3, and the other end of which extends out from the transparent housing 1. The wire 9 enables the transmission of flow data, temperature data, and TDS value detection data from the multi-functional optocoupler flow meter to external devices.

[0035] In one embodiment, the impeller 2 includes impeller blades 21 and a rotating shaft 22. The impeller blades 21 have a rotating shaft hole 211 at their center, and the rotating shaft 22 passes through the rotating shaft hole 211. Both ends of the rotating shaft 22 are connected to the transparent housing 1. Specifically, the impeller blades 21 can rotate about the axis of the rotating shaft 22.

[0036] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A multifunctional optical coupler flow meter, characterized in that, include: A transparent housing, wherein the transparent housing is provided with a water flow channel for water to flow through; An impeller is rotatably connected to the transparent housing and disposed within the water flow channel; The circuit board is mounted and connected to the outside of the transparent housing; An optocoupler assembly is electrically connected to the circuit board, and the photosensitive area of ​​the optocoupler assembly faces the impeller; A TDS sensor is electrically connected to the circuit board, and the probe of the TDS sensor is located inside the water flow channel; A temperature sensor is abutted against the transparent housing and electrically connected to the circuit board.

2. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, The transparent housing includes an upper transparent housing, a lower transparent housing, and a first sealing ring. The upper transparent housing is connected to the lower transparent housing, and the first sealing ring is disposed between the upper transparent housing and the lower transparent housing.

3. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, The transparent shell has connecting joints at both ends of the water flow channel.

4. The multifunctional optocoupler flowmeter according to claim 3, characterized in that, The connector includes a second sealing ring, a cap, and claws. The transparent housing has pipe openings at both ends. The caps are engaged with the pipe openings. The second sealing ring is located between the pipe openings and the caps. The claws are engaged with the caps.

5. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, The TDS sensor includes a probe, a housing, and a third sealing ring. The probe is electrically connected to the circuit board. The housing connects and fixes the probe to the circuit board. The third sealing ring is disposed between the housing and the transparent housing and surrounds the probe.

6. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, It also includes thermal grease, the temperature sensor is mounted on the circuit board, one end of the thermal grease abuts against the temperature sensor, and the other end of the thermal grease abuts against the transparent housing.

7. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, The temperature sensor is an NTC chip.

8. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, It also includes an epoxy resin board, and the transparent housing has a receiving cavity. The circuit board is disposed in the receiving cavity, and the epoxy resin board is disposed on the side of the circuit board away from the transparent housing and connected to the transparent housing to seal the receiving cavity.

9. The multifunctional optical coupler flowmeter according to claim 1, characterized in that, It also includes a wire, one end of which is electrically connected to the circuit board, and the other end of which extends out from the transparent housing.

10. The multifunctional optocoupler flowmeter according to claim 1, characterized in that, The impeller includes impeller blades and a shaft. The impeller blades have a shaft hole at their center. The shaft passes through the shaft hole and its two ends are connected to the transparent housing.

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