Hot water meter based on Bluetooth module

Abstract

The utility model discloses a hot water meter based on a Bluetooth module, which relates to the technical field of hot water meters and comprises a detection cylinder, a meter body is arranged at the top of the detection cylinder, detachable end plates are arranged at the two ends of the detection cylinder, an external channel is fixedly arranged at the top end in the detection cylinder, an extension cylinder is fixedly arranged on one side of the external channel, and a Bluetooth module is arranged in the extension cylinder. A blade shaft is arranged in the extending cylinder, and a plurality of blades are fixedly arranged at one end of the blade shaft. The blades are driven to rotate through flowing of hot water, the flame-retardant guide rod synchronously rotates along with rotation of the blades, the rotating speed of the flame-retardant guide rod is detected through the rotating speed sensor, and therefore the flow of the hot water is judged according to the rotating speed; therefore, the rotating speed sensor is less affected by the heat of the hot water in the working process, the rotating speed sensor is prevented from being damaged due to long-time contact with the high-temperature hot water, and the protection effect on electronic components is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot water meters, in particular to a hot water meter based on a Bluetooth module. Background Art

[0002] The function of a hot water meter is to measure the flow of hot water. It is a common household device that is installed on hot water pipes and calculates water charges by calculating the hot water flow. Today's smart hot water meters can even automatically deduct charges based on the flow.

[0003] There are two common ways to calculate flow rate in hot water meters. One is to set an impeller in the water meter to reflect the flow rate of water and calculate the water volume through the rotation speed of the impeller. The other is to directly detect the flow rate by adding a flow sensor to the water meter, such as a smart hot water meter based on a Bluetooth module with publication number CN214096218U in the prior art.

[0004] In order to prevent electronic components from being damaged by long-term exposure to high-temperature hot water, the existing technology places them inside the chassis. However, the flow sensor itself is also an electronic component, and there is a risk of damage if it works in a high-temperature environment for a long time. Therefore, the protection effect of electronic components in the existing technology needs to be improved. Utility Model Content

[0005] To this end, the utility model provides a hot water meter based on a Bluetooth module to solve the problem in the prior art that the flow sensor is easily damaged due to working in a high temperature environment for a long time.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot water meter based on a Bluetooth module, comprising a detection cylinder, a meter body is provided on the top of the detection cylinder, detachable end plates are provided at both ends of the detection cylinder, an external connection channel is fixedly provided at the top of the detection cylinder, and an extension cylinder is fixedly provided on one side of the external connection channel;

[0007] A blade shaft is provided inside the extension tube, one end of the blade shaft extends to the outside of the extension tube and is fixed with a plurality of blades, the blade shaft is movably connected to the extension tube via a sealed bearing, and the other end of the blade shaft extends to the inside of the external channel and is fixed with a second bevel gear;

[0008] A flame-retardant guide rod is provided inside the external channel, a first bevel gear meshing with the second bevel gear is fixedly provided at the bottom of the flame-retardant guide rod, a sleeve is fixedly provided at the top of the detection tube, the top of the flame-retardant guide rod extends into the inside of the sleeve, the flame-retardant guide rod is movably connected to the external channel through a sealed bearing, and a speed sensor capable of detecting the rotation speed of the flame-retardant guide rod is provided on the sleeve.

[0009] Furthermore, an adjustment frame is provided on the top of the detection tube, the meter body is fixed on the top of the adjustment frame, a detachable transparent protective cover is provided on the top of the adjustment frame, and a controller fixed on the top of the adjustment frame is provided inside the transparent protective cover.

[0010] Furthermore, a display screen is fixedly provided on the top of the meter body, the display screen is provided at the output end of the controller, and the rotation speed sensor is provided at the input end of the controller.

[0011] Furthermore, a Bluetooth module and an indicator light fixed on the top of the adjustment frame are provided inside the transparent protective cover, and the transparent protective cover can protect the controller, the Bluetooth module and the indicator light. A temperature sensor is fixed on the bottom of the adjustment frame.

[0012] The Bluetooth module is arranged at the connection end of the controller, and the hot water meter can be wirelessly connected to other electronic devices through the Bluetooth module. The temperature sensor is arranged at the input end of the controller, and the indicator light is arranged at the output end of the controller.

[0013] Furthermore, an external pipe connected to the detection cylinder is fixedly provided on one side of the end plate away from the detection cylinder, and the hot water meter is connected to the hot water pipeline through the external pipe. A solenoid valve is fixedly provided on one of the external pipes, and the solenoid valve is arranged at the output end of the controller.

[0014] Furthermore, two ends of the adjustment frame are respectively bent toward two external pipes and are sleeved on the outer ends of the external pipes through bearings, so that the adjustment frame can rotate and adjust the direction.

[0015] Furthermore, torsion springs are fixedly provided on the inner walls of both sides of the adjustment frame, one end of the torsion spring is fixedly connected to the end plate on the corresponding side, and the elastic force of the torsion spring can be used to reset the adjustment frame after it is rotated.

[0016] Furthermore, the rotation speed sensor and the meter body are connected via a wire, and the wire runs through the adjustment frame.

[0017] The utility model has the following advantages:

[0018] The flow of hot water drives the blades to rotate, and the flame retardant guide rod rotates synchronously with the rotation of the blades. The speed sensor is used to detect the speed of the flame retardant guide rod, so that the flow rate of hot water can be judged according to the speed. The flame retardant guide rod is made of a material with poor thermal conductivity. Therefore, the speed sensor is less affected by the heat of hot water during operation, avoiding damage due to long-term contact with high-temperature hot water, thereby greatly improving the protection effect of electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0021] Figure 1 A top view of the structure provided by the utility model;

[0022] Figure 2 A bottom-up structural diagram provided by the utility model;

[0023] Figure 3 This is a diagram of the internal structure of the detection tube provided by the utility model;

[0024] Figure 4 A cross-sectional view of the detection tube provided by the utility model;

[0025] Figure 5 The utility model provides Figure 4 Enlarged view of part A in the middle;

[0026] Figure 6 The structural diagram of the adjustment frame provided by the utility model;

[0027] Figure 7 This is a system diagram provided by the utility model.

[0028] In the figure: 1. detection tube; 2. end plate; 3. external tube; 4. solenoid valve; 5. torsion spring; 6. adjustment frame; 7. meter body; 701. display screen; 8. transparent protective cover; 801. controller; 802. Bluetooth module; 803. indicator light; 9. speed sensor; 10. temperature sensor; 11. sleeve; 12. blade; 13. heat-resistant guide rod; 14. blade shaft; 15. first bevel gear; 16. second bevel gear; 17. extension tube; 18. external channel. DETAILED DESCRIPTION

[0029] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1-7 As shown, the utility model provides a hot water meter based on a Bluetooth module, including a detection cylinder 1, a meter body 7 is provided on the top of the detection cylinder 1, detachable end plates 2 are provided at both ends of the detection cylinder 1, an external channel 18 is fixedly provided at the top of the detection cylinder 1, and an extension cylinder 17 is fixedly provided on one side of the external channel 18;

[0031] The extension tube 17 is provided with a blade shaft 14 inside, one end of the blade shaft 14 extends to the outside of the extension tube 17 and is fixed with a plurality of blades 12, the blade shaft 14 is movably connected to the extension tube 17 via a sealed bearing, and the other end of the blade shaft 14 extends to the inside of the external channel 18 and is fixed with a second bevel gear 16;

[0032] A flame retardant guide rod 13 is provided inside the external channel 18, and a first bevel gear 15 meshing with a second bevel gear 16 is fixedly provided at the bottom end of the flame retardant guide rod 13. A sleeve 11 is fixedly provided at the top end of the detection tube 1. The top end of the flame retardant guide rod 13 extends into the interior of the sleeve 11. The flame retardant guide rod 13 is movably connected to the external channel 18 through a sealed bearing, and a speed sensor 9 capable of detecting the rotation speed of the flame retardant guide rod 13 is provided on the sleeve 11.

[0033] When hot water passes through the inside of the detection tube 1, the water flow pushes the blade 12 to rotate and drives the blade shaft 14 and the second bevel gear 16 to rotate. Since the first bevel gear 15 is meshed with the second bevel gear 16, the flame retardant guide rod 13 also rotates synchronously with the rotation of the blade 12. The speed sensor 9 installed on the sleeve 11 can detect the speed of the flame retardant guide rod 13, so as to judge the flow rate of hot water according to the speed. The flame retardant guide rod 13 is made of a material with poor thermal conductivity, such as plastic. Therefore, the speed sensor 9 is less affected by the heat of hot water during operation, thereby avoiding damage due to long-term contact with high-temperature hot water, thereby greatly improving the protection effect of electronic components.

[0034] Electronic components need to be kept away from the detection tube 1 to reduce the adverse effects of high temperature on them, such as Figure 1 , 2As shown in , 6 and 7 , an adjustment frame 6 is provided on the top of the detection tube 1 , the meter body 7 is fixed on the top of the adjustment frame 6 , a detachable transparent protective cover 8 is provided on the top of the adjustment frame 6 , and a controller 801 fixed on the top of the adjustment frame 6 is provided inside the transparent protective cover 8 .

[0035] A display screen 701 is fixedly provided on the top of the meter body 7 . The display screen 701 is provided at the output end of the controller 801 and can display relevant parameters. The rotation speed sensor 9 is provided at the input end of the controller 801 .

[0036] An adjustment frame 6 is set on the top of the detection tube 1, and the meter body 7 is installed on the top of the adjustment frame 6, so that the meter body 7 is as far away from the detection tube 1 as possible to reduce the impact of high temperature on the detection tube 1, and the controller 801 is set inside the transparent protective cover 8 to protect the controller 801.

[0037] The hot water meter can be wirelessly connected to other devices via Bluetooth, such as Figure 1 , 2 , 6, 7, the transparent protective cover 8 is also provided with a Bluetooth module 802 and an indicator light 803 fixed on the top of the adjustment frame 6, and the transparent protective cover 8 can protect the controller 801, the Bluetooth module 802 and the indicator light 803, and the bottom of the adjustment frame 6 is fixed with a temperature sensor 10;

[0038] The Bluetooth module 802 is arranged at the connection end of the controller 801 , and the hot water meter can be wirelessly connected to other electronic devices through the Bluetooth module 802 . The temperature sensor 10 is arranged at the input end of the controller 801 , and the indicator light 803 is arranged at the output end of the controller 801 .

[0039] The hot water meter can be wirelessly connected to smart devices such as mobile phones through the Bluetooth module 802, so that relevant information detected by the hot water meter, such as water consumption, water charges, etc., can be viewed on the mobile phone, and the water charges can be paid online using the mobile phone network. In addition, the temperature sensor 10 can detect the temperature emitted by the detection cylinder 1 on the outside of the detection cylinder 1. When the temperature is too high, the temperature sensor 10 will control the indicator light 803 to light up through the controller 801 to serve as a warning, reminding the user not to approach the hot water meter to avoid burns.

[0040] In order to observe the parameters of the hot water meter, such as Figure 1 , 2 As shown in , 7, an external pipe 3 connected to the detection cylinder 1 is fixedly provided on one side of the end plate 2 away from the detection cylinder 1, and the hot water meter is connected to the hot water pipeline through the external pipe 3. A solenoid valve 4 is fixedly provided on one of the external pipes 3, and the solenoid valve 4 is arranged at the output end of the controller 801, so that the controller 801 can control the opening or closing of the solenoid valve 4.

[0041] The two ends of the adjustment frame 6 are respectively bent toward the two external pipes 3 and are sleeved on the outer ends of the external pipes 3 through bearings, so that the adjustment frame 6 can rotate and adjust the direction.

[0042] Torsion springs 5 ​​are fixedly provided on the inner walls of both sides of the adjustment frame 6. One end of the torsion spring 5 is fixedly connected to the end plate 2 on the corresponding side. The elastic force of the torsion spring 5 can be used to reset the adjustment frame 6 after it rotates.

[0043] The rotation speed sensor 9 and the meter body 7 are connected via a wire, and the wire runs through the adjustment frame 6 .

[0044] The watch body 7 is mounted on the adjustment frame 6, and the adjustment frame 6 can rotate around the external tube 3, so that the angle of the watch body 7 can be adjusted, so that the watch body 7 can be observed from different angles. When the adjustment frame 6 rotates, the torsion spring 5 will be tightened, thereby limiting the rotation range of the adjustment frame 6, and the elastic force of the torsion spring 5 can be used to drive the adjustment frame 6 to reset after the adjustment frame 6 rotates.

[0045] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A hot water meter based on a Bluetooth module, comprising a detection cylinder (1), wherein a meter body (7) is provided on the top of the detection cylinder (1), characterized in that: Both ends of the detection tube (1) are provided with detachable end plates (2); an external connection channel (18) is fixedly provided at the top end of the detection tube (1); and an extension tube (17) is fixedly provided at one side of the external connection channel (18); A blade shaft (14) is provided inside the extension tube (17), one end of the blade shaft (14) extends to the outside of the extension tube (17) and is fixedly provided with a plurality of blades (12), the blade shaft (14) and the extension tube (17) are movably connected via a sealed bearing, and the other end of the blade shaft (14) extends to the inside of the external channel (18) and is fixedly provided with a second bevel gear (16); A flame retardant guide rod (13) is provided inside the external channel (18); a first bevel gear (15) meshing with a second bevel gear (16) is fixedly provided at the bottom end of the flame retardant guide rod (13); a sleeve (11) is fixedly provided at the top end of the detection tube (1); the top end of the flame retardant guide rod (13) extends into the interior of the sleeve (11); the flame retardant guide rod (13) is movably connected to the external channel (18) via a sealed bearing; and a speed sensor (9) capable of detecting the speed of the flame retardant guide rod (13) is provided on the sleeve (11).

2. A hot water meter based on a Bluetooth module according to claim 1, characterized in that: An adjustment frame (6) is provided at the top of the detection tube (1); the meter body (7) is fixedly arranged at the top of the adjustment frame (6); a detachable transparent protective cover (8) is provided at the top of the adjustment frame (6); and a controller (801) fixedly arranged at the top of the adjustment frame (6) is provided inside the transparent protective cover (8).

3. A hot water meter based on a Bluetooth module according to claim 2, characterized in that: A display screen (701) is fixedly provided on the top of the meter body (7); the display screen (701) is arranged at the output end of the controller (801); and the rotation speed sensor (9) is arranged at the input end of the controller (801).

4. A hot water meter based on a Bluetooth module according to claim 2, characterized in that: The transparent protective cover (8) is also provided with a Bluetooth module (802) and an indicator light (803) fixedly arranged on the top of the adjustment frame (6), and a temperature sensor (10) is fixedly arranged on the bottom of the adjustment frame (6); The Bluetooth module (802) is arranged at the connection end of the controller (801), the temperature sensor (10) is arranged at the input end of the controller (801), and the indicator light (803) is arranged at the output end of the controller (801).

5. A hot water meter based on a Bluetooth module according to claim 2, characterized in that: An external pipe (3) connected to the detection cylinder (1) is fixedly provided on one side of the end plate (2) away from the detection cylinder (1), wherein a solenoid valve (4) is fixedly provided on one of the external pipes (3), and the solenoid valve (4) is arranged at the output end of the controller (801).

6. A hot water meter based on a Bluetooth module according to claim 5, characterized in that: The two ends of the adjustment frame (6) are respectively bent toward the two external pipes (3) and are arranged at the outer ends of the external pipes (3) through bearing sleeves.

7. A hot water meter based on a Bluetooth module according to claim 6, characterized in that: Torsion springs (5) are fixedly provided on the inner walls of both sides of the adjustment frame (6), and one end of the torsion spring (5) is fixedly connected to the end plate (2) on the corresponding side.

8. The hot water meter based on the Bluetooth module according to claim 1, characterized in that: The rotation speed sensor (9) and the meter body (7) are connected via a wire, and the wire runs through the adjustment frame (6).

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