Water circuit board direct insertion high temperature resistant optical coupler flow meter and installation components

Abstract

This invention provides a direct-insertion high-temperature resistant optocoupler flow meter and its installation assembly, including a transparent housing, an impeller, an optocoupler element, a circuit board, and a first positioning part. The transparent housing has an inlet, an outlet, and a water flow channel connecting the inlet and outlet. The impeller is rotatably connected to the transparent housing and is located within the water flow channel. The optocoupler element is connected to the transparent housing and has a photosensitive surface, which is blocked by the impeller. The circuit board is electrically connected to the optocoupler element. The first positioning part is connected to the transparent housing and has a specific shape, used to cooperate with a second positioning part at the installation position. Compared to mechanical flow meters, this invention has a relatively simple structure and its signal is not subject to interference. Furthermore, by cooperating with the second positioning part at the installation position, the first positioning part can achieve rapid positioning connection between the outlet pipe and the outlet, as well as rapid positioning connection between the inlet and the inlet pipe.

Description

Technical Field

[0001] This utility model relates to the field of flow meter technology, and more specifically, to a water circuit board direct-insertion type high temperature resistant optocoupler flow meter and its installation components. Background Technology

[0002] Flow meters are commonly used in appliances such as water dispensers and water purifiers that automatically control water flow, and have broad application prospects. Existing flow meters are mainly mechanical and Hall effect sensors. Mechanical flow meters are too complex in structure and expensive; while Hall effect sensors are easily affected by magnetic field interference, leading to inaccurate flow rates and limiting their application. Furthermore, the inlet and outlet positions are easily reversed during installation. Utility Model Content

[0003] (a) Technical problems to be solved The technical problem this invention aims to solve is that existing flow meters suffer from high manufacturing costs, are easily affected by interference, and have inlet and outlet positions that are easily reversed.

[0004] (II) Technical Solution To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides a water circuit board direct-insertion type high-temperature resistant optical coupler flow meter, including a transparent housing, an impeller, an optical coupler element, a circuit board, and a first positioning part; the transparent housing has an inlet, an outlet, and a water flow channel connecting the inlet and the outlet; the impeller is rotatably connected to the transparent housing and disposed within the water flow channel; the optical coupler element is connected to the transparent housing, the optical coupler element has a photosensitive surface, and the impeller can block the photosensitive surface; the circuit board is electrically connected to the optical coupler element; the first positioning part is connected to the transparent housing, the first positioning part has a specific shape, and the first positioning part is used to cooperate with a second positioning part at the installation position.

[0005] Preferably, the system further includes a first filter cover and a second filter cover, wherein the first filter cover is connected to the water inlet and the second filter cover is connected to the water outlet.

[0006] Preferably, the system further includes a first sealing ring and a second sealing ring, wherein the first sealing ring is disposed between the first filter cover and the water inlet, and the second sealing ring is disposed between the second filter cover and the water outlet.

[0007] Preferably, the transparent shell includes an upper transparent shell and a lower transparent shell, the upper transparent shell is connected to the lower transparent shell, the upper transparent shell has a water inlet and a water outlet, and the upper transparent shell and the lower transparent shell together form the water flow channel.

[0008] Preferably, the transparent housing further includes a third sealing ring, which is disposed between the upper transparent housing and the lower transparent housing.

[0009] Preferably, the water flow channel has an arc-shaped cavity facing the water inlet.

[0010] Preferably, the device further includes a wire harness and an encapsulating resin plate. The transparent housing has a receiving groove, the circuit board is disposed in the receiving groove, the encapsulating resin plate is connected to the transparent housing to close the receiving groove, one end of the wire harness is electrically connected to the circuit board, and the other end of the wire harness is led out from the receiving groove.

[0011] Preferably, the impeller includes blades and a shaft, the blades are provided with through holes, and the shaft passes through the through holes and is connected to the transparent housing.

[0012] This utility model also provides an installation component, including an installation panel and a water circuit board direct-insertion high-temperature resistant optical coupler flow meter as described in any of the above technical solutions. The installation panel has an inlet pipe, an outlet pipe, and a second positioning part. The first positioning part is located in a preset direction of the outlet pipe. The inlet is connected to the inlet pipe, the outlet is connected to the outlet pipe, and the second positioning part is located in a preset direction of the outlet. The first positioning part is connected to the second positioning part.

[0013] Preferably, the first positioning part is an arc-shaped boss, and the second positioning part is an arc-shaped slot.

[0014] (III) Beneficial Effects The above-mentioned technical solution of this utility model has at least the following advantages: A high-temperature resistant optical coupler flow meter with a direct-insertion water circuit board is connected to the pipe to be measured. Water flows into the water channel from the inlet, impacting the impeller and causing it to rotate. Water then flows out from the outlet. During the impeller's rotation, light passes through the transparent housing and illuminates the photosensitive surface under specific conditions. Based on the number of impeller rotations, the photosensitive surface senses a corresponding number of light signals, ultimately measuring the flow rate. The circuit board collects this data and transmits it to an external device. Compared to mechanical flow meters, this invention has a simpler structure, and compared to Hall effect flow meters, the signal is not affected by interference. Furthermore, by connecting the first positioning part with the second positioning part at the installation position, rapid positioning connection between the outlet pipe and the outlet, as well as rapid positioning connection between the inlet and the inlet pipe, can be achieved. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the water circuit board direct-insertion high-temperature resistant optical coupler flow meter provided in this embodiment of the utility model.

[0017] Figure 2 This is an exploded view of the structure of the water circuit board direct-insertion high-temperature resistant optical coupler flow meter provided in this embodiment of the utility model.

[0018] Figure 3 This is a schematic diagram of the installation component provided in an embodiment of the present invention.

[0019] The labels for the attached figures are as follows: 1. Transparent housing; 2. Impeller; 3. Optocoupler element; 4. Circuit board; 5. First positioning part; 6. First filter cover; 7. Second filter cover; 81. First sealing ring; 82. Second sealing ring; 9. Wire harness; 10. Encapsulating resin board; 11. Water inlet; 12. Water outlet; 13. Water flow channel; 14. Upper transparent housing; 15. Lower transparent housing; 16. Third sealing ring; 21. Blade; 22. Rotating shaft; 211. Through hole; 131. Arc-shaped cavity; 100. Mounting panel; 110. Water inlet pipe; 120. Water outlet pipe; 130. Second positioning part. Detailed Implementation

[0020] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0021] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be located directly on or indirectly on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component.

[0022] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" 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 utility model and do not indicate that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating relative importance or the number of technical features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. The specific implementation of this utility model is described in more detail below with reference to specific embodiments: like Figures 1 to 3 As shown, this utility model embodiment provides a water circuit board direct-insertion high-temperature resistant optical coupler flow meter, including a transparent housing 1, an impeller 2, an optical coupler element 3, a circuit board 4, and a first positioning part 5; the transparent housing 1 has an inlet 11, an outlet 12, and a water flow channel 13 connecting the inlet 11 and the outlet 12; the impeller 2 is rotatably connected to the transparent housing 1 and is disposed in the water flow channel 13; the optical coupler element 3 is connected to the transparent housing 1, the optical coupler element 3 has a photosensitive surface, and the impeller 2 can block the photosensitive surface; the circuit board 4 is electrically connected to the optical coupler element 3; the first positioning part 5 is connected to the transparent housing 1, the first positioning part 5 has a specific shape, and the first positioning part 5 is used to cooperate with the second positioning part 130 at the installation position.

[0024] In use, the high-temperature resistant optical coupler flow meter with direct insertion into the water circuit board is connected to the pipe to be measured. Water flows into the water channel 13 from the inlet 11, impacting the impeller 2 and causing it to rotate. The water then flows out from the outlet 12. During the rotation of the impeller 2, light passes through the transparent housing 1 and illuminates the photosensitive surface under specific conditions. Based on the number of rotations of the impeller 2, the photosensitive surface can sense the corresponding number of light signals, ultimately achieving flow measurement. The circuit board 4 collects this data and transmits it to an external device. Furthermore, by connecting the first positioning part 5 with the second positioning part 130 at the installation position, quick positioning connection between the outlet pipe and the outlet 12, as well as quick positioning connection between the inlet 11 and the inlet pipe, can be achieved.

[0025] As one optional implementation of this embodiment, it further includes a first filter cover 6 and a second filter cover 7. The first filter cover 6 is connected to the water inlet 11, and the second filter cover 7 is connected to the water outlet 12. The first filter cover 6 and the second filter cover 7 are used to prevent impurities in the water in the measuring pipe from entering the flow meter.

[0026] As one optional implementation of this embodiment, it further includes a first sealing ring 81 and a second sealing ring 82. The first sealing ring 81 is disposed between the first filter screen cover 6 and the water inlet 11, and the second sealing ring 82 is disposed between the second filter screen cover 7 and the water outlet 12. The first sealing ring 81 is used to achieve a sealed connection between the first filter screen cover 6 and the water inlet 11, and the second sealing ring 82 is used to achieve a sealed connection between the second filter screen cover 7 and the water outlet 12.

[0027] In one optional embodiment of this invention, the transparent housing 1 includes an upper transparent housing 14 and a lower transparent housing 15. The upper transparent housing 14 is connected to the lower transparent housing 15. The upper transparent housing 14 has a water inlet 11 and a water outlet 12. The upper transparent housing 14 and the lower transparent housing 15 together form a water flow channel 13. Specifically, the upper transparent housing 14, the lower transparent housing 15, and the impeller 2 are all made of high-temperature resistant material and can withstand temperatures of 100-110℃ for extended periods, meeting the requirements for use in water dispensers, water boilers, etc.

[0028] As one optional embodiment of this invention, the transparent housing 1 further includes a third sealing ring 16, which is disposed between the upper transparent housing 14 and the lower transparent housing 15. The third sealing ring 16 enables a sealed connection between the upper transparent housing 14 and the lower transparent housing 15.

[0029] As one optional implementation of this embodiment, the water flow channel 13 has an arc-shaped cavity 131 facing the inlet 11. The inlet 11 is directly opposite the impeller 2, which can smoothly drive the impeller 2 to rotate at a uniform speed. The arc-shaped cavity 131 can better guide the water out to achieve higher flow accuracy.

[0030] In one optional embodiment of this invention, a wiring harness 9 and an encapsulating resin plate 10 are also included. A receiving groove is formed in the transparent housing 1, and the circuit board 4 is disposed within the receiving groove. The encapsulating resin plate 10 is connected to the transparent housing 1 to seal the receiving groove. One end of the wiring harness 9 is electrically connected to the circuit board 4, and the other end of the wiring harness 9 extends out from the receiving groove. The encapsulating resin plate 10 isolates the circuit board 4 from the external environment, achieving sealed protection for the circuit board 4. The wiring harness 9 enables the transmission of flow data from the flow meter to external devices.

[0031] In one optional embodiment of this invention, the impeller 2 includes blades 21 and a rotating shaft 22. The blades 21 have through holes 211, and the rotating shaft 22 passes through the through holes 211 and is connected to the transparent housing 1. Specifically, under the impact of water flow, the blades 21 can rotate about the rotating shaft as an axis.

[0032] This utility model also provides an installation component, including an installation panel 100 and a water circuit board direct-insertion high-temperature resistant optical coupler flow meter as described in any of the above embodiments. The installation panel 100 has an inlet pipe 110, an outlet pipe 120, and a second positioning part 130. The first positioning part is located in a preset direction of the outlet pipe 120. The inlet 11 is connected to the inlet pipe 110, and the outlet 12 is connected to the outlet pipe 120. The second positioning part 130 is located in the preset direction of the outlet 12, and the first positioning part 5 is connected to the second positioning part 130. Specifically, the preset direction is a specific direction. For example, in this embodiment, the second positioning part 130 is located directly above the outlet pipe 120, and the first positioning part 5 is located directly above the outlet 12. Therefore, by connecting the first positioning part 5 to the second positioning part 130, a quick positioning connection between the outlet pipe 120 and the outlet 12 can be achieved.

[0033] In one optional implementation of this embodiment, the first positioning part 5 is an arc-shaped boss, and the second positioning part 130 is an arc-shaped groove. The positioning installation is achieved by the cooperation of the arc-shaped boss and the arc-shaped groove, which can realize the quick positioning connection between the water inlet 11 and the water inlet pipe 110, and the quick positioning connection between the water outlet 12 and the water outlet pipe 120, avoiding reverse installation.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high temperature resistant optical coupler flow meter with direct waterway board insertion, characterized in that, include: A transparent shell has a water inlet, a water outlet, and a water flow channel connecting the water inlet and the water outlet; An impeller is rotatably connected to the transparent housing and disposed within the water flow channel; An optical coupler element is connected to the transparent housing. The optical coupler element has a photosensitive surface, and the impeller can block the photosensitive surface. The circuit board is electrically connected to the optocoupler element; A first positioning part is connected to the transparent shell. The first positioning part has a specific shape and is used to cooperate with a second positioning part at the installation position.

2. The waterway board in-line high temperature resistant optical coupling flow meter of claim 1, wherein, It also includes a first filter cover and a second filter cover, the first filter cover being connected to the water inlet and the second filter cover being connected to the water outlet.

3. The waterway board in-line high temperature resistant optical coupling flow meter of claim 2, wherein, It also includes a first sealing ring and a second sealing ring, the first sealing ring being disposed between the first filter screen cover and the water inlet, and the second sealing ring being disposed between the second filter screen cover and the water outlet.

4. The waterway board in-line high temperature resistant optical coupling flow meter of claim 1, wherein, The transparent shell includes an upper transparent shell and a lower transparent shell, the upper transparent shell is connected to the lower transparent shell, the upper transparent shell has a water inlet and a water outlet, and the upper transparent shell and the lower transparent shell together form the water flow channel.

5. The waterway board in-line high temperature resistant optical coupling flow meter of claim 4, wherein, The transparent housing also includes a third sealing ring, which is disposed between the upper transparent housing and the lower transparent housing.

6. The waterway board in-line high temperature resistant optical coupling flow meter of claim 1, wherein, The water flow channel has an arc-shaped cavity facing the water inlet.

7. The waterway board in-line high temperature resistant optical coupling flow meter of claim 1, wherein, It also includes a wire harness and an encapsulating resin board. The transparent housing forms a receiving groove, the circuit board is disposed in the receiving groove, the encapsulating resin board is connected to the transparent housing to close the receiving groove, one end of the wire harness is electrically connected to the circuit board, and the other end of the wire harness is led out from the receiving groove.

8. The waterway board in-line high temperature resistant optical coupling flow meter of claim 1, wherein, The impeller includes blades and a shaft. The blades are provided with through holes, and the shaft passes through the through holes and is connected to the transparent housing.

9. A mounting assembly, comprising a mounting panel and a water circuit board direct-insertion high-temperature resistant optocoupler flow meter as described in any one of claims 1-8, characterized in that, The mounting panel has an inlet pipe, an outlet pipe, and a second positioning part. The first positioning part is located in a preset direction of the outlet pipe. The inlet is connected to the inlet pipe, the outlet is connected to the outlet pipe, and the second positioning part is located in a preset direction of the outlet. The first positioning part is connected to the second positioning part.

10. The water circuit board direct-insertion type high-temperature resistant optocoupler flow meter as described in claim 9, characterized in that, The first positioning part is an arc-shaped boss, and the second positioning part is an arc-shaped groove.

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