Water consumption detection device for bathroom ceramic water-saving appliance
By integrating a dual-mode measurement system with a weighing sensor and an electromagnetic flow meter, and using a modular connector structure, the inaccuracy of traditional flow measurement equipment under different diameters and pressures has been solved. This enables precise water volume detection and automatic calibration of sanitary ceramic water-saving appliances, improving measurement accuracy and equipment adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-19
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional flow measurement equipment is inaccurate when faced with toilet interfaces of different diameters, different water supply pressures, and complex water flow conditions. The accuracy also decreases after long-term use, and manual calibration is time-consuming, labor-intensive, and inaccurate.
It adopts a dual-mode measurement system integrating a weighing sensor and an electromagnetic flowmeter, combined with a modular variable connector and a multi-diameter adapter structure to achieve accurate measurement and real-time calibration. Data fusion and automatic calibration are performed through an intelligent control module.
It achieves accurate measurement of flushing water volume, quickly adapts to different toilet interfaces, ensures measurement accuracy and sealing, reduces errors caused by equipment wear, and improves the reliability of test results.
Smart Images

Figure CN224063594U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sanitary ware product testing technology, specifically a device for detecting the water consumption of sanitary ceramic water-saving appliances. Background Technology
[0002] Accurate water consumption measurement is a crucial step in the research and development and production of water-saving sanitary ceramic appliances. Traditional measurement methods often rely on single flow measurement devices, such as flow meters. However, these devices are easily affected by various factors in practical applications, leading to inaccurate measurement data. Especially when faced with toilet interfaces of different diameters, different water supply pressures, and complex water flow conditions, single flow measurement devices often fail to provide reliable measurement data.
[0003] In addition, the measurement accuracy of traditional measuring equipment will gradually decrease due to wear and aging during long-term use. Manual calibration is not only time-consuming and labor-intensive, but also difficult to guarantee the accuracy and consistency of calibration.
[0004] To address this issue, those skilled in the art have proposed a water consumption detection device for sanitary ceramic water-saving appliances. Utility Model Content
[0005] To address the aforementioned technical issues, this utility model provides a water consumption detection device for sanitary ceramic water-saving appliances. By integrating a dual-mode measurement system of a weighing sensor and an electromagnetic flow meter, it achieves accurate measurement and real-time calibration of flushing water volume. Furthermore, by configuring a modular variable connector and a multi-diameter adapter structure, it meets the requirements for rapid switching and sealing of different types of toilet interfaces.
[0006] A water consumption detection device for sanitary ceramic water-saving appliances includes a water supply tank, the output end of which is connected to a precision pressure gauge, and a control valve is provided on the outside of the precision pressure gauge.
[0007] The output end of the precision pressure gauge is connected to a booster pump for adjusting the pressure water source, and the output pipeline of the booster pump is connected to a flow meter for measuring the water supply flow. The output end of the flow meter is connected to an energy storage tank for buffering pressure fluctuations.
[0008] The intelligent control module, including a PLC controller, an HMI touchscreen, and a customized host computer system, is used to realize pressure-flow closed-loop control, intelligent calibration, and test data acquisition and processing.
[0009] Preferably, the device also includes a testing platform module, which includes a testing frame. The testing frame is located on the outside of the device for mounting a toilet tester. A standard water tank is mounted on the inside of the testing frame. A spare water tank is mounted symmetrically on the inside of the testing frame to the standard water tank. The testing frame is also equipped with a 3 / 4 diameter water outlet and a 3 / 2 diameter water outlet to adapt to toilet interfaces of different diameters. The bottom of the 3 / 4 diameter water outlet is provided with a water collection trough for collecting flushing water. The inside of the 3 / 4 diameter water outlet and the 3 / 2 diameter water outlet is also provided with a quick-change buckle, an elastic sealing ring, and a multi-diameter adapter ring for switching with toilet interfaces.
[0010] Preferably, a recycling hopper is provided on the other side of the water tank for collecting overflow water, and a weighing tank is also provided at the bottom of the water tank for weighing the amount of rinsing water. A weighing sensor is also installed at the bottom of the weighing tank for measuring the amount of rinsing water.
[0011] Preferably, a square steel lifting frame is connected to the outside of the test frame for adjusting the height of the toilet tester, and a water discharge and circulating water tank is connected to the outside of the recycling hopper for collecting and storing flushing water.
[0012] The water discharge and recycling tank and the water supply tank are also connected to a frequency-modulated water pump control cabinet. The frequency-modulated water pump control cabinet also includes a frequency-modulated water pump and a controller for controlling the circulation and utilization of water.
[0013] Preferably, an adjusting pump is also provided on the outside of the booster pump to adjust the pump speed, and the adjusting pump can be adjusted from 0 to 1.0 MPa.
[0014] Preferably, the inner side of the water discharge and recycling tank is equipped with a three-stage filtration device, including a stainless steel filter screen, activated carbon, and a sedimentation tank to achieve high-efficiency filtration.
[0015] Preferably, the device also includes a calibration module, which is located outside the device to receive data from the flow meter and the weighing sensor. The system automatically compares the weighing data with the flow meter data, and automatically triggers the calibration procedure when the error is greater than 2%.
[0016] Preferably, it also includes a multi-standard testing module, which is also located on the outside of the device and connected to the calibration module. It has built-in GB / T6952-2015 and JC / T931-2003 standard testing procedures for testing.
[0017] Preferably, a weighing module is provided at the bottom of the weighing tank, the weighing module is connected to a flow meter for measurement, and the multi-standard test module and calibration module are also connected to the intelligent control module.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] 1. By integrating a dual-mode measurement system of a weighing sensor and an electromagnetic flow meter, this invention enables accurate measurement of flushing water volume. The weighing sensor is installed below the weighing tank to measure the actual flushing water volume in real time. The data is then fused and cross-compared with the water supply flow rate measured by the electromagnetic flow meter, effectively eliminating the error of a single measuring device.
[0020] 2. The intelligent calibration algorithm automatically detects and corrects measurement errors. When the difference between the weighing data and the flow meter data exceeds the preset threshold, the system automatically triggers the calibration program to ensure long-term measurement accuracy and reduce the problem of accuracy decline caused by equipment wear and aging.
[0021] 3. The modular variable connector adopts a quick-change buckle, elastic sealing ring and multi-diameter adapter ring (DN50 / DN75 / DN3 / 2100) structure, which can complete the rapid switching of toilet interface within 30 seconds and adapt to the testing needs of different types and diameters of sanitary ceramic water-saving appliances.
[0022] 4. The design with a sealing pressure of ≥0.3MPa ensures the sealing performance after interface switching, prevents water leakage during testing, and improves the reliability of test results. Attached Figure Description
[0023] Figure 1 This is a front view structural diagram of the present utility model;
[0024] Figure 2 This utility model Figure 1 A schematic diagram of the structure of the greywater discharge and recycling tank.
[0025] In the diagram: 1. Water supply tank; 2. Precision pressure gauge; 3. Booster pump; 4. Flow meter; 5. Energy storage tank; 6. Test frame; 7. Standard water tank; 8. Backup water tank; 9. 3 / 4 diameter outlet; 10. 3 / 2 diameter outlet; 11. Water tank; 12. Recycling hopper; 13. Weighing tank; 14. Weighing sensor; 15. Square steel lifting frame; 16. Water discharge and recycling tank; 17. Frequency-controlled pump control cabinet; 18. Regulating pump; 19. Stainless steel filter screen; 20. Activated carbon; 21. Sedimentation tank; 22. Intelligent control module; 23. Multi-standard testing module; 24. Calibration module. Detailed Implementation
[0026] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0027] As attached Figure 1 To be continued Figure 2 As shown:
[0028] Example 1: According to Figures 1-2 As shown, this utility model provides a water consumption detection device for sanitary ceramic water-saving appliances, including a water supply tank 1, the output end of the water supply tank 1 is connected to a precision pressure gauge 2, and a control valve is provided on the outside of the precision pressure gauge 2;
[0029] The output end of the precision pressure gauge 2 is connected to a booster pump 3 for adjusting the pressure water source. The output pipeline of the booster pump 3 is connected to a flow meter 4 for measuring the water supply flow. The output end of the flow meter 4 is connected to an energy storage tank 5 for buffering pressure fluctuations.
[0030] The intelligent control module 22 includes a PLC controller, an HMI touch screen, and a customized host computer system, which are used to realize pressure-flow closed-loop control, intelligent calibration, and test data acquisition and processing.
[0031] The system also includes a testing platform module, which comprises a testing frame 6. The testing frame 6 is located on the outside of the equipment for mounting a toilet testing device. A standard water tank 7 is mounted on the inside of the testing frame 6. A spare water tank 8 is mounted symmetrically to the standard water tank 7 on the inside of the testing frame 6. The testing frame 6 also has a 3 / 4 diameter water outlet 9 and a 3 / 2 diameter water outlet 10 to accommodate toilet interfaces of different diameters. A water collection trough 11 is located at the bottom of the 3 / 4 diameter water outlet 9 to collect flushing water. The 3 / 4 diameter water outlet 9 and the 3 / 2 diameter water outlet... The inner side of the 10 is also provided with a quick-change buckle, an elastic sealing ring and a multi-diameter adapter ring for switching with the toilet interface. The other side of the water tank 11 is provided with a recycling hopper 12 for collecting overflow water. The bottom of the water tank 11 is also provided with a weighing water tank 13 for weighing the flushing water volume. The bottom of the weighing water tank 13 is also equipped with a weighing sensor 14 for measuring the flushing water volume data. The outer side of the test frame 6 is also connected with a square steel lifting frame 15 for adjusting the height of the toilet. The outer side of the recycling hopper 12 is connected with a water discharge and circulating recycling water tank 16 for collecting and storing flushing water.
[0032] The water discharge and recycling tank 16 and the water supply tank 1 are connected to a frequency-modulated water pump control cabinet 17 on their outer sides. The frequency-modulated water pump control cabinet 17 also includes a frequency-modulated water pump and a controller for controlling water circulation and utilization. A regulating water pump 18 is also provided on the outer side of the booster pump 3 for adjusting the pump speed. The regulating water pump 18 can be adjusted from 0 to 1.0 MPa. A three-stage filtration device is provided inside the water discharge and recycling tank 16, including a stainless steel filter screen 19, activated carbon 20, and a sedimentation tank 21 to achieve high-efficiency filtration. It also includes a calibration module 24, which is located on the outer side of the device. The system is used to receive data from the flow meter 4 and the weighing sensor 14. The system automatically compares the weighing data with the flow meter data. When the error is greater than 2%, the calibration procedure is automatically triggered. It also includes a multi-standard test module 23, which is also located on the outside of the device and connected to the calibration module 24. It has built-in GB / T6952-2015 and JC / T931-2003 standard test procedures for testing. The weighing water tank 13 has a weighing module at the bottom, which is connected to the flow meter 4 for measurement. The multi-standard test module 23 and the calibration module are also connected to the intelligent control module 22.
[0033] The intelligent control module 22 also includes a PLC controller and an HMI touch screen. The PLC controller receives signals from various sensors, processes the data, and controls the actions of each actuator; the HMI touch screen displays the equipment status, test parameters, and results, providing a human-machine interface.
[0034] Working principle: Water in the water supply tank is pressurized by booster pump 3, and the pressure is monitored in real time by precision pressure gauge 2. The flow rate is measured by flow meter 4 before being delivered to the test area. Storage tank 5 is used to buffer pressure fluctuations and ensure stable water supply pressure. Test frame 6 is used to install the toilet under test. Standard water tank 7 and backup water tank 8 provide additional water support for the test. 3 / 4 diameter outlet 9 and 3 / 2 diameter outlet 10 are adapted to toilet interfaces of different diameters to ensure a tight connection. After flushing, the water flows into water tank 11 and is then collected in water discharge and recycling tank 16 through recycling hopper 12. Weighing tank 13 is used to weigh the flushing water volume, and a weighing sensor is installed below it. 14. Weighing sensors measure and record data in real time; 15. Square steel lifting frame: The square steel lifting frame is used to adjust the height and position of the toilet being tested; 17. Frequency-modulated water pump control cabinet: The frequency-modulated water pump control cabinet controls and regulates the water pump; 18. Regulates the start, stop, and speed of the water pump to achieve on-demand water supply; 19. Recycled water is purified through a three-stage filtration system of stainless steel filter screen, activated carbon, and sedimentation tank, and is then used again for testing; 22. Intelligent control module: The intelligent control module receives signals from various sensors, processes the data, and controls the actions of various actuators to achieve automated testing; 23. Multi-standard testing module: The multi-standard testing module has multiple built-in testing standards, which users can select to perform tests; 24. Calibration module: The calibration module compares the weighing sensor data and the flow meter data. When the error exceeds the preset threshold, it automatically triggers the calibration program to adjust the measurement parameters and ensure measurement accuracy.
[0035] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.
[0036] In the description of this utility model, 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 indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.
[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0038] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0039] In the description of this specification, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0040] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0041] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A water quantity detecting device for a bathroom ceramic water-saving appliance, characterized in that: Including water supply tank (1), the output end of the water supply tank (1) is connected with precision pressure gauge (2), the outer side of the precision pressure gauge (2) is provided with control valve; The output end of the precision pressure gauge (2) is connected with booster water pump (3) for adjusting pressure water source, the output pipeline of the booster water pump (3) is connected with flowmeter (4) for measuring water supply flow, the output end of the flowmeter (4) is connected with energy storage tank (5) for buffering pressure fluctuation; Intelligent control module (22), including PLC controller, HMI touch screen and customized host computer system, for realizing pressure-flow closed loop control, intelligent calibration and test data acquisition and processing.
2. The water quantity detecting device for the bathroom ceramic water-saving appliance according to claim 1, characterized in that: Also including test platform module, the test platform module includes test rack (6), the test rack (6) is provided on the outside of the equipment for installing the toilet, the inside of the test rack (6) is installed with standard water tank (7), the inside of the test rack (6) is installed with standby water tank (8) at the symmetrical position of the standard water tank (7), the test rack (6) is also installed with 3 / 4 pipe diameter water outlet (9) and 3 / 2 pipe diameter water outlet (10) for adapting to different caliber toilet interface, the bottom end of the 3 / 4 pipe diameter water outlet (9) is provided with water tank (11) for collecting flushing water flow, the inside of the 3 / 4 pipe diameter water outlet (9) and the 3 / 2 pipe diameter water outlet (10) is also provided with quick-change buckle, elastic sealing ring and multi-caliber adapter ring for switching with toilet interface.
3. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 2, characterized in that: The other side of the water tank (11) is provided with recovery hopper (12) for collecting overflow water, the bottom end of the water tank (11) is also provided with weighing water tank (13) for weighing flushing water, the bottom end of the weighing water tank (13) is also installed with weighing sensor (14) for measuring flushing water data.
4. The water quantity detecting device for the bathroom ceramic water-saving appliance according to claim 3, characterized in that: The outside of the test rack (6) is also connected with square steel lifting frame (15) for adjusting the height of the toilet, the outside of the recovery hopper (12) is connected with water flow discharge and recycling water tank (16) for collecting and storing flushing water. The outside of the water flow discharge and recycling water tank (16) and the water supply tank (1) is also connected with frequency conversion water pump control cabinet (17), the frequency conversion water pump control cabinet (17) also includes frequency conversion water pump and controller for controlling water circulation and utilization.
5. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 1, characterized in that: The outside of the booster water pump (3) is also provided with regulating water pump (18) for adjusting water pump speed, the regulating water pump (18) can be adjusted at 0-1.0MPa.
6. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 1, characterized in that: The inside of the water flow discharge and recycling water tank (16) is provided with three-stage filtering device, including stainless steel filter screen (19), activated carbon (20), sedimentation tank (21) to realize high-efficiency filtration.
7. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 3, characterized in that: Also including calibration module (24), the calibration module (24) is provided on the outside of the device for receiving flowmeter (4) and weighing sensor (14) data, the system automatically compares weighing data and flowmeter data, when the error is greater than 2%, the calibration program is automatically triggered.
8. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 7, characterized in that: Also including multi-standard test module (23), the multi-standard test module (23) is also provided on the outside of the device and connected with calibration module (24).
9. The water quantity detecting device for a bathroom ceramic water-saving appliance according to claim 8, characterized in that: The bottom end of the weighing water tank (13) is provided with a weighing module, the weighing module is connected with the flow meter (4) to measure, the multi-standard test module (23) and the calibration module are further connected with the intelligent control module (22).