Water supply condition detection device

Abstract

The utility model discloses a kind of water supply condition detection devices, including cold water detection device and hot water detection device, cold water detection device and hot water detection device all include shell and temperature sensing component, shell has water inlet end, water outlet end and water inlet passage, temperature sensing component is used to perceive the water temperature in water inlet passage and convert it into visual temperature mark, the temperature sensing component of cold water detection device and the temperature sensing component of hot water detection device can display matching mark state.Cold water detection device connects the cold water supply end of thermostatic faucet, hot water detection device connects the hot water supply end of thermostatic faucet, when the mark state of the temperature sensing component of cold water detection device and hot water detection device matches, it indicates that thermostatic faucet reaches optimal use state, the utility model is used for the water supply condition detection before thermostatic faucet installation and after-sales rapid guide user correct judgment and setting water supply source temperature.

Description

Technical Field

[0001] This utility model relates to the field of faucet accessories technology, and in particular to a water supply condition detection device. Background Technology

[0002] To achieve optimal performance, thermostatic products have specific requirements for the appropriate water supply temperature. These requirements are difficult to detect and determine in real-world scenarios, potentially leading to incorrect installation and use by users. This can result in a decreased user experience or even malfunction, causing customer complaints. When customer complaints arise, especially when thermostatic products malfunction due to unsuitable water supply conditions, after-sales personnel often obtain limited useful information through remote communication with customers. This necessitates on-site analysis by after-sales personnel before providing solutions, increasing both customer time and supplier maintenance costs, which is detrimental to the sales and promotion of thermostatic showerheads. Utility Model Content

[0003] The present invention aims to at least partially solve one of the aforementioned technical problems in the related art. To this end, the present invention proposes a water supply condition detection device.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] According to an embodiment of the present utility model, a water supply condition detection device includes a cold water detection device and a hot water detection device. Both the cold water detection device and the hot water detection device include a housing and a temperature sensing component. The housing has a water inlet end, a water outlet end and a water inlet channel. The water inlet channel is connected between the water inlet end and the water outlet end. The temperature sensing component is used to sense the water temperature in the water inlet channel and convert it into a visual temperature indicator.

[0006] The temperature sensing component of the cold water detection device is configured such that its temperature indicator includes at least two distinguishable indicator states, and each indicator state corresponds to a continuous cold water temperature range.

[0007] The temperature sensing component of the hot water detection device is configured such that its temperature indicator includes at least two distinguishable indicator states, and each indicator state corresponds to a continuous hot water temperature range.

[0008] The temperature sensing components of the cold water detection device and the hot water detection device can display matching identification states. When the identification states of the cold water detection device and the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current identification state of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current identification state of the hot water detection device and the preset center temperature, are both less than 1.8.

[0009] The water supply condition detection device according to the embodiments of this utility model has at least the following beneficial effects:

[0010] 1. This utility model is used for testing water supply conditions before installing thermostatic faucets and for quickly guiding users to correctly judge and set the water supply temperature after sales, thereby reducing the likelihood of problems and customer complaints during actual use. During testing, a cold water testing device is connected to the cold water supply end of the thermostatic faucet, and a hot water testing device is connected to the hot water supply end. The correct water supply temperature is determined and set based on the markings on the temperature sensing components. The judgment principle is that when the markings on the cold water and hot water testing devices match (e.g., the liquid column is in the same scale range, and the display markings are consistent), it indicates that the thermostatic faucet has reached its optimal operating state. Conversely, the greater the difference in markings (e.g., differences in liquid column position, differences in display markings), the less ideal the water supply conditions of the thermostatic faucet. Therefore, simply maintaining the matching markings on the cold water and hot water testing devices is sufficient to achieve the product's optimal operating state or to avoid the most undesirable water supply conditions. This utility model directly obtains effective information through visual markings, facilitating analysis and solution provision by after-sales personnel.

[0011] 2. The preset center temperature is typically a suitable temperature for showering. The cold water and hot water detection devices each have several preset temperature ranges, with a one-to-one correspondence between the cold and hot water temperature ranges. The temperature difference ratios a / b and b / a are both less than 1.8. This means that each corresponding cold and hot water temperature range is symmetrical or nearly symmetrical about the preset center temperature. In other words, the distance from the temperature within the cold water range to the preset center temperature is equal to or close to the distance from the temperature within the hot water range to the preset center temperature. When the thermostatic faucet's cold / hot water supply temperature reaches this condition, the faucet outlet temperature is the preset center temperature. Therefore, the cold / hot water inlet gap ratio of the thermostatic valve is 1:1 or close to 1:1 (e.g., if the preset center temperature is 40℃ and the cold water temperature is 15℃, the hot water temperature should be set to 65℃, at which point the thermostatic valve's cold / hot water inlet gap ratio is 1:1). This helps reduce fluctuations in the thermostatic valve's outlet water temperature and improves the stability of the outlet water temperature. Furthermore, more temperature ranges can be set to make the temperature difference ratio even closer to 1:1.

[0012] According to some embodiments of the present invention, the housing also has a temperature sensing channel, which is opened on the side wall of the water inlet channel. The temperature sensing component includes a temperature sensing element and a temperature display element. The temperature sensing element is installed inside the temperature sensing channel, and the temperature display element is installed on the outside of the housing.

[0013] According to some embodiments of this utility model, the temperature sensing component is a temperature sensing bulb, the temperature display component has a first liquid column cavity and a scale bar for indicating the height of the liquid column in the first liquid column cavity, the temperature sensing bulb is sealed and embedded in the temperature sensing channel, the temperature sensing bulb and the temperature sensing channel form a first sealed cavity, the first sealed cavity is in communication with the first liquid column cavity, the push rod of the temperature sensing bulb is located in the first sealed cavity, and the first sealed cavity is also provided with a first elastic element for resetting the push rod, the extension and retraction of the push rod can change the height of the liquid column in the first liquid column cavity; the scale bar of the cold water detection device has at least two scale intervals, and each scale interval corresponds to... For a given cold water temperature range, the scale bar of the hot water detection device has at least two scale intervals, and each scale interval corresponds to a hot water temperature range. The liquid column of the cold water detection device and the liquid column of the hot water detection device can reach matching scale intervals. When the scale intervals reached by the liquid column of the cold water detection device and the liquid column of the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current scale interval of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current scale interval of the hot water detection device and the preset center temperature, are both less than 1.8.

[0014] According to some embodiments of this utility model, the temperature sensing component is a temperature sensor, the temperature display component includes a controller and a display screen, the temperature sensor is sealed and embedded in the temperature sensing channel, and the controller is electrically connected to the temperature sensor and the display screen; the controller of the cold water detection device is configured to: preset several cold water temperature ranges, determine which cold water temperature range the current inlet water temperature is in based on the electrical signal of the temperature sensor, and control the display screen to output the identification status corresponding to the current inlet water temperature range; the controller of the hot water detection device is configured to: preset several hot water temperature ranges, and determine the current inlet water temperature based on the temperature... The sensor's electrical signal determines which hot water temperature range the current inlet water temperature falls within, and controls the display screen to output the corresponding status of the hot water temperature range where the current inlet water temperature falls. The cold water detection device and the hot water detection device can display matching statuses. When the statuses of the cold water detection device and the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current status of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current status of the hot water detection device and the preset center temperature, are both less than 1.8.

[0015] According to some embodiments of this utility model, the scale bar of the cold water detection device is provided with a first scale value, a second scale value, a third scale value, and a fourth scale value from bottom to top. The scale bar of the hot water detection device is provided with the first scale value, the second scale value, the third scale value, and the fourth scale value from top to bottom. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the first scale value and the second scale value, the scale ranges are matched. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the second scale value and the third scale value, the scale ranges are matched. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the third scale value and the fourth scale value, the scale ranges are matched.

[0016] According to some embodiments of this utility model, the preset center temperature is a value between 38℃ and 43℃.

[0017] According to some embodiments of the present invention, the temperature display component includes a first fixed shell, a first transparent shell, and a first connector. The first fixed shell is fixedly mounted on the outside of the shell, and a first mounting cavity is provided on the first fixed shell. The first transparent shell is embedded in the first mounting cavity, the first liquid column cavity is disposed inside the first transparent shell, the scale bar is disposed on the surface of the first transparent shell, and the first connector has a first water passage. The first connector is disposed between the first transparent shell and the first sealing cavity, one end of the first water passage communicates with the first liquid column cavity, and the other end communicates with the first sealing cavity.

[0018] According to some embodiments of the present invention, the temperature display component further includes a knob, and an adjustment cavity is provided at the bottom of the first liquid column cavity. The adjustment cavity is connected to the first liquid column cavity, and the knob is screwed into the adjustment cavity from bottom to top. Rotating the knob can change the volume of the adjustment cavity.

[0019] According to some embodiments of the present invention, it further includes a rubber diaphragm and a pressure display component. The housing also has a pressure channel, which is opened on the side wall of the water inlet channel. The outer periphery of the rubber diaphragm is sealed to the inner peripheral wall of the pressure channel. The rubber diaphragm and the pressure channel form a second sealed cavity. The pressure display component has a second liquid column cavity and a scale for indicating the height of the liquid column in the second liquid column cavity. The second sealed cavity is in communication with the second liquid column cavity.

[0020] According to some embodiments of the present invention, a second elastic element is provided inside the second sealing cavity, and the second elastic element abuts against the rubber membrane and the cavity wall of the second sealing cavity.

[0021] According to some embodiments of the present invention, the pressure display component includes a second fixed shell, a second transparent shell, and a second connecting member. The second fixed shell is fixedly mounted on the outside of the housing, and a second mounting cavity is provided on the second fixed shell. The second transparent shell is embedded in the second mounting cavity, and the second liquid column cavity is disposed inside the second transparent shell. The scale is disposed on the surface of the second transparent shell. The second connecting member has a second water passage and is disposed between the second transparent shell and the second sealing cavity. One end of the second water passage communicates with the second liquid column cavity, and the other end communicates with the second sealing cavity.

[0022] According to some embodiments of this utility model, it further includes a rubber diaphragm, a thin-film pressure sensor, and a pressure display component. The housing also has a pressure channel, which is opened on the side wall of the water inlet channel. The outer periphery of the rubber diaphragm is sealed to the inner peripheral wall of the pressure channel. The rubber diaphragm and the pressure channel form a third sealed cavity. The thin-film pressure sensor is installed in the third sealed cavity. The water pressure of the water inlet channel can be transmitted to the thin-film pressure sensor through the rubber diaphragm. The pressure display component is installed on the outside of the housing. The pressure display component is a digital display screen, and the digital display screen is electrically connected to the thin-film pressure sensor.

[0023] According to some embodiments of this utility model, it also includes a valve core, and the housing further has a valve core cavity and a water outlet channel. The valve core is installed in the valve core cavity. When the valve core is opened, the water flow can pass through the water inlet end, the water inlet channel, the valve core cavity, the water outlet channel and the water outlet end in sequence.

[0024] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0025] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0026] Figure 1 This is an overall structural diagram of the first embodiment of the cold water detection device of this utility model;

[0027] Figure 2 This is a first cross-sectional view of the first embodiment of the cold water detection device of this utility model;

[0028] Figure 3 This is a partial structural diagram of the first embodiment of the hot water detection device of this utility model;

[0029] Figure 4 This is a second cross-sectional view of the first embodiment of the cold water detection device of this utility model;

[0030] Figure 5 This is an overall structural diagram of the second embodiment of the present utility model;

[0031] Figure 6 This is a cross-sectional view of the second embodiment of the present invention.

[0032] Reference numerals: housing 100, water inlet 110, water outlet 120, water inlet channel 130, temperature sensing channel 140, first sealing cavity 141, pressure channel 150, second sealing cavity 151, temperature sensing bulb 200, temperature sensor 300, outer shell 410, display screen 430, first fixed shell 440, first transparent shell 450, first liquid column cavity 451, adjusting cavity 452, first connector 460, first water passage channel 461, knob 470, first elastic element 500, rubber diaphragm 600, second transparent shell 710, second liquid column cavity 711, second fixed shell 720, second connector 730, second water passage channel 731, second elastic element 800, diaphragm pressure sensor 900, valve core 1000. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0034] Reference Figure 1-6 A water supply condition detection device includes a cold water detection device and a hot water detection device. Both the cold water detection device and the hot water detection device include a housing 100 and a temperature sensing component. The housing 100 has a water inlet end 110, a water outlet end 120 and a water inlet channel 130. The water inlet channel 130 is connected between the water inlet end 110 and the water outlet end 120. The temperature sensing component is used to sense the water temperature in the water inlet channel 130 and convert it into a visual temperature indicator.

[0035] The temperature sensing component of the cold water detection device is configured such that its temperature marking includes at least two distinguishable marking states, and each marking state corresponds to a continuous cold water temperature range.

[0036] The temperature sensing component of the hot water detection device is configured such that its temperature marking includes at least two distinguishable marking states, and each marking state corresponds to a continuous hot water temperature range.

[0037] Among them, the temperature sensing components of the cold water detection device and the hot water detection device can display matching identification status. When the identification status of the cold water detection device and the hot water detection device are matched, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current identification status of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current identification status of the hot water detection device and the preset center temperature are both less than 1.8.

[0038] In some embodiments of this utility model, the housing 100 also has a temperature sensing channel 140, which is opened on the side wall of the water inlet channel 130. The temperature sensing component includes a temperature sensing element and a temperature display element. The temperature sensing element is installed inside the temperature sensing channel 140, and the temperature display element is installed on the outside of the housing 100.

[0039] In some embodiments of this utility model, the temperature sensing component is a temperature sensing element 200, and the temperature display component has a first liquid column cavity 451 and a scale bar for indicating the height of the liquid column in the first liquid column cavity 451. The temperature sensing element 200 is sealed and embedded in the temperature sensing channel 140, and the temperature sensing element 200 and the temperature sensing channel 140 form a first sealed cavity 141. The first sealed cavity 141 is connected to the first liquid column cavity 451. The push rod of the temperature sensing element 200 is located in the first sealed cavity 141. The first sealed cavity 141 is also provided with a first elastic element 500 for the push rod to reset. The first elastic element 500 is a spring, and the extension and retraction of the push rod can change the height of the liquid column in the first liquid column cavity 451. The scale bar of the cold water detection device has at least The hot water detection device has at least two scale intervals, each corresponding to a cold water temperature range. The liquid columns of the cold water and hot water detection devices can reach matching scale intervals. When the scale intervals reached by the liquid columns of the cold and hot water detection devices match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current scale interval of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current scale interval of the hot water detection device and the preset center temperature, are both less than 1.8. The first sealed cavity is filled with liquid. The push rod of the temperature sensing bulb can extend and retract with changes in the water temperature in the inlet channel, thereby changing the volume of the first sealed cavity and causing a change in the height of the liquid column in the liquid column cavity.

[0040] In some embodiments of this utility model, the temperature sensing component is a temperature sensor 300, and the temperature display component includes a housing 410 and a controller and a display screen 430 installed inside the housing 410. The housing 410 is fixedly mounted on the outside of the housing 100, the sensing channel communicates with the inside of the housing 410, the temperature sensor 300 is sealed and embedded in the temperature sensing channel 140, and the controller is electrically connected to the temperature sensor 300 and the display screen 430. The controller of the cold water detection device is configured to: preset several cold water temperature ranges, determine which cold water temperature range the current inlet water temperature is in based on the electrical signal of the temperature sensor 300, and control the display screen 430 to output the identification status corresponding to the current inlet water temperature within the cold water temperature range; hot water... The controller of the detection device is configured to: preset several hot water temperature ranges; determine which hot water temperature range the current inlet water temperature falls within based on the electrical signal from the temperature sensor 300; and control the display screen 430 to output the corresponding status indicator for the current inlet water temperature within that hot water temperature range. The cold water detection device and the hot water detection device can display matching status indicators. When the status indicators of the cold water detection device and the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current status indicator of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current status indicator of the hot water detection device and the preset center temperature, are both less than 1.8. The resistance value of the temperature sensor changes accordingly with temperature variations, and the controller processes the data and outputs the corresponding status indicator.

[0041] In some embodiments of this utility model, the scale bar of the cold water detection device is provided with a first scale value, a second scale value, a third scale value, and a fourth scale value from bottom to top, and the scale bar of the hot water detection device is provided with a first scale value, a second scale value, a third scale value, and a fourth scale value from top to bottom. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the first scale value and the second scale value, the scale ranges are matched. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the second scale value and the third scale value, the scale ranges are matched. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the third scale value and the fourth scale value, the scale ranges are matched.

[0042] In some embodiments of this utility model, the preset center temperature is a value between 38℃ and 43℃.

[0043] In some embodiments of this utility model, the temperature display component includes a first fixed shell 440, a first transparent shell 450, and a first connector 460. The first fixed shell 440 is fixedly mounted on the outside of the housing 100, and a first mounting cavity is provided on the first fixed shell 440. The first transparent shell 450 is embedded in the first mounting cavity, a first liquid column cavity 451 is provided inside the first transparent shell 450, and a scale bar is provided on the surface of the first transparent shell 450. The first connector 460 has a first water passage 461 and is located between the first transparent shell 450 and the first sealing cavity 141. One end of the first water passage 461 communicates with the first liquid column cavity 451, and the other end communicates with the first sealing cavity 141. During installation, the temperature sensing bulb 200 and the first elastic element 500 are first inserted into the temperature sensing channel 140, and then the first connector 460, the first fixed shell 440, and the first transparent shell 450 are sequentially installed.

[0044] In some embodiments of this invention, the temperature display component further includes a knob 470. An adjustment cavity 452 is provided at the bottom of the first liquid column cavity 451, and the adjustment cavity 452 communicates with the first liquid column cavity 451. The knob 470 is screwed into the adjustment cavity 452 from bottom to top. Rotating the knob 470 changes the volume of the adjustment cavity 452. The knob 470 can adjust and correct the initial height of the liquid column. Specifically, the knob 470 has a sealing ring to prevent liquid leakage from the liquid column cavity.

[0045] In some embodiments of this utility model, reference is made to Figure 4 The device also includes a rubber diaphragm 600 and a pressure display component. The housing 100 further has a pressure channel 150, which is located on the side wall of the water inlet channel 130. The outer periphery of the rubber diaphragm 600 is sealed to the inner periphery of the pressure channel 150, forming a second sealed cavity 151 with the pressure channel 150. The pressure display component has a second liquid column cavity 711 and a scale for indicating the height of the liquid column in the second liquid column cavity 711. The second sealed cavity 151 is connected to the second liquid column cavity 711. The second sealed cavity 151 is filled with liquid. The rubber diaphragm 600 can deform with changes in water pressure, changing the volume of the second sealed cavity 151 and thus changing the height of the liquid column in the second liquid column cavity 711. The liquid column height of the pressure display component is pre-designed to correspond to the pressure. The water supply pressure of a thermostatic faucet is generally required to be 0.1MPa-0.5MPa, and the pressure difference between cold and hot water inlets is generally no more than 0.2MPa.

[0046] In some embodiments of this utility model, a second elastic element 800 is provided inside the second sealing cavity 151. The second elastic element 800 is a spring, and it abuts against the rubber diaphragm 600 and the cavity wall of the second sealing cavity 151. The second elastic element 800 assists the rubber diaphragm 600 in resetting, avoiding deviations caused by the rubber diaphragm 600 resetting itself, and improving the accuracy of water pressure detection.

[0047] In some embodiments of this utility model, the pressure display component includes a second fixed shell 720, a second transparent shell 710, and a second connecting member 730. The second fixed shell 720 is fixedly mounted on the outside of the housing 100, and a second mounting cavity is provided on the second fixed shell 720. The second transparent shell 710 is embedded in the second mounting cavity, and a second liquid column cavity 711 is provided inside the second transparent shell 710. A scale is provided on the surface of the second transparent shell 710. The second connecting member 730 has a second water passage 731 and is located between the second transparent shell 710 and the second sealing cavity 151. One end of the second water passage 731 communicates with the second liquid column cavity 711, and the other end communicates with the second sealing cavity 151. Further, the first fixed shell 440 and the second fixed shell 720 are an integral structure.

[0048] In some embodiments of this utility model, a rubber diaphragm 600, a thin-film pressure sensor 900, and a pressure display component are also included. The housing 100 further has a pressure channel 150, which is located on the side wall of the water inlet channel 130. The outer periphery of the rubber diaphragm 600 is sealed to the inner periphery of the pressure channel 150, forming a third sealed cavity with the pressure channel 150. The thin-film pressure sensor 900 is installed within this third sealed cavity. The water pressure in the water inlet channel 130 can be transmitted to the thin-film pressure sensor 900 via the rubber diaphragm 600. The pressure display component, a digital display screen, is installed on the outside of the housing 100 and is electrically connected to the thin-film pressure sensor 900. The rubber diaphragm 600 serves to seal and transmit pressure. The thin-film pressure sensor 900 converts the water pressure into an electrical signal, which is then converted into a corresponding water pressure value and output to the digital display screen via a signal conversion circuit. It should be noted that when both the thin-film pressure sensor 900 and the temperature sensor 300 are installed in the housing 100, the digital display screen and the display screen 430 can be combined into one component, sharing a single controller and installed together within the housing 410, as shown below. Figure 5-6 As shown.

[0049] In some embodiments of this utility model, a valve core 1000 is also included. The housing 100 further has a valve core 1000 cavity and a water outlet channel. The valve core 1000 is installed in the valve core 1000 cavity. When the valve core 1000 is open, water can flow sequentially through the inlet end 110, the inlet channel 130, the valve core 1000 cavity, the water outlet channel, and the outlet end 120. In use, the inlet end 110 is connected to a water supply source, and the outlet end 120 is connected to a hose or drained directly. When the valve core 1000 is closed, the inlet channel 130 can measure static pressure. When the valve core 1000 is open, the water temperature can be measured after water has been flowing for a period of time.

[0050] Water supply temperature setting principles:

[0051] Thermostatic valves achieve their temperature control function by adjusting the ratio of cold / hot water inlet areas. The cold / hot water inlet areas are determined by the gap between them (a direct linear relationship). Because this gap is very small, the initial gap allocation for the thermostatic valve in shower settings is crucial. Ideally, the ratio should be 1:1 or close to 1:1 (because with the same gap change, the proportional change is minimal, minimizing the pressure change and water area change in the cold / hot water inlet gap, which is highly beneficial for reducing outlet water temperature fluctuations and improving outlet water temperature stability). Assuming the shower temperature is set to 40℃, if the pressure difference between the two inlet water points is small, according to thermodynamic laws, the cold / hot water temperatures should be symmetrical around 40℃. For example, if the cold water temperature is 15℃, the hot water temperature should be set to 65℃. At this point, the cold / hot water inlet area ratio is 1:1, providing ample adjustment space. Even with water pressure fluctuations, the thermostatic valve can easily balance the temperature by adjusting the cold / hot water ratio, resulting in good outlet water temperature stability.

[0052] Temperature marking method one (taking the temperature sensing element as temperature sensing bulb 200 as an example):

[0053] Based on the aforementioned principles for setting water supply temperature, the temperature marking is explained using the national standard requirements / recommendations as an example (national standard requirements / recommendations: cold inlet water temperature range is 4-29℃, hot inlet water temperature range is 50-75℃). To achieve symmetrical or near-symmetrical cold / hot inlet water temperatures with 40℃ as the center, the liquid column height of the temperature display component can be designed as follows (refer to...). Figure 3 The scale bar of the hot water detection device is set with values ​​0, 1, 2, and 3 from bottom to top. When the hot water inlet temperature is <50℃, the liquid column height of the hot water detection device is below position 0 (0 corresponds to 50℃). When the hot water inlet temperature is in the range of 50℃-55℃, the liquid column height is between 0 and 1. When the hot water inlet temperature is in the range of 55℃-65℃, the liquid column height is between 1 and 2. When the hot water inlet temperature is in the range of 65℃-75℃, the liquid column height is between 2 and 3. When the hot water inlet temperature is >75℃, the liquid column height is above position 3. Similarly, the liquid column height of the cold water detection device can be pre-designed (refer to...). Figure 2(Digital Identification Reverse Design): The scale bar of the cold water detection device is set with values ​​0, 1, 2, and 3 from top to bottom. When the cold inlet water temperature is >29℃, the liquid column height is above position 0 (0 corresponds to 29℃). When the cold inlet water temperature is in the range of 24℃-29℃, the liquid column height is between 0 and 1. When the cold inlet water temperature is in the range of 15℃-24℃, the liquid column height is between 1 and 2. When the cold inlet water temperature is in the range of 4℃-15℃, the liquid column height is between 2 and 3. When the cold inlet water temperature is <4℃, the liquid column height is below position 3. When the liquid column height is outside the range of 0-3, it indicates that the temperature is too low or too high. It can be verified that under this rule, as long as the cold / hot liquid column heights fall within the same range and are between 0 and 3, the temperature difference ratios a / b and b / a < 1.8 (the ratio of the difference between the cold inlet water temperature and 40℃ to the difference between the hot inlet water temperature and 40℃). Furthermore, the temperature difference ratio can be optimized by setting more temperature ranges, making it closer to 1:1. It should be noted that the scale ranges can be equidistant or non-equidistant, depending on the temperature characteristics of the temperature sensor 200 and the size of the cold / hot water temperature range, as long as the endpoints of each temperature range correspond to the endpoints of the scale ranges.

[0054] Temperature marking method two (taking the temperature sensor 300 as an example):

[0055] For the hot water detection device, when the hot water inlet temperature is <50℃, display screen 430 displays value 1; when the hot water inlet temperature is in the range of 50℃-55℃, display screen 430 displays value 2; when the hot water inlet temperature is in the range of 55℃-65℃, display screen 430 displays value 3; when the hot water inlet temperature is in the range of 65℃-75℃, display screen 430 displays value 4; and when the hot water inlet temperature is >75℃, display screen 430 displays value 5. For the cold water detection device, when the cold water inlet temperature is >29℃, display screen 430 displays value 1; when the cold water inlet temperature is in the range of 24℃-29℃, display screen 430 displays value 2; when the cold water inlet temperature is in the range of 15℃-24℃, display screen 430 displays value 3; when the cold water inlet temperature is in the range of 4℃-15℃, display screen 430 displays value 4; and when the cold water inlet temperature is <4℃, display screen 430 displays value 5. As long as the displayed values ​​for 430 are consistent (except for 1 and 5), the temperature difference ratios a / b and b / a can be guaranteed to be less than 1.8; if the displayed values ​​are 1 or 5, it indicates that the temperature is too low or too high.

[0056] Temperature setting operation:

[0057] Users can determine and set the correct water supply temperature based on the status of the hot water and cold water detection devices (e.g., by adjusting the hot water temperature of the water heater to make the cold / hot liquid columns in the same scale range or to make the display markings on the display screen 430 consistent). Conversely, the least ideal water supply conditions can be avoided by using differences in the status of the markings (e.g., differences in liquid column position or display markings).

[0058] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A water supply condition detection device, characterized in that, The device includes a cold water detection device and a hot water detection device. Both the cold water detection device and the hot water detection device include a housing (100) and a temperature sensing component. The housing (100) has a water inlet end (110), a water outlet end (120) and a water inlet channel (130). The water inlet channel (130) is connected between the water inlet end (110) and the water outlet end (120). The temperature sensing component is used to sense the water temperature in the water inlet channel (130) and convert it into a visual temperature indicator. The temperature sensing component of the cold water detection device is configured such that its temperature indicator includes at least two distinguishable indicator states, and each indicator state corresponds to a continuous cold water temperature range. The temperature sensing component of the hot water detection device is configured such that its temperature indicator includes at least two distinguishable indicator states, and each indicator state corresponds to a continuous hot water temperature range. The temperature sensing components of the cold water detection device and the hot water detection device can display matching identification states. When the identification states of the cold water detection device and the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current identification state of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current identification state of the hot water detection device and the preset center temperature, are both less than 1.

8.

2. The water supply condition detection device according to claim 1, characterized in that, The housing (100) also has a temperature sensing channel (140), which is opened on the side wall of the water inlet channel (130). The temperature sensing component includes a temperature sensing element and a temperature display element. The temperature sensing element is installed in the temperature sensing channel (140), and the temperature display element is installed on the outside of the housing (100).

3. The water supply condition detection device according to claim 2, characterized in that, The temperature sensing component is a temperature sensing element (200). The temperature display component has a first liquid column cavity (451) and a scale bar for indicating the height of the liquid column in the first liquid column cavity (451). The temperature sensing element (200) is sealed and embedded in the temperature sensing channel (140). The temperature sensing element (200) and the temperature sensing channel (140) form a first sealed cavity (141). The first sealed cavity (141) is connected to the first liquid column cavity (451). The push rod of the temperature sensing element (200) is located in the first sealed cavity (141). The first sealed cavity (141) is also provided with a first elastic element (500) for resetting the push rod. The extension and retraction of the push rod can change the height of the liquid column in the first liquid column cavity (451). The cold water The scale bar of the detection device has at least two scale intervals, and each scale interval corresponds to a cold water temperature range. The scale bar of the hot water detection device has at least two scale intervals, and each scale interval corresponds to a hot water temperature range. The liquid column of the cold water detection device and the liquid column of the hot water detection device can reach matching scale intervals. When the scale intervals reached by the liquid columns of the cold water detection device and the hot water detection device are matched, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current scale interval of the cold water detection device and the preset center temperature and the difference 'b' between any temperature in the hot water temperature range corresponding to the current scale interval of the hot water detection device and the preset center temperature are both less than 1.

8.

4. The water supply condition detection device according to claim 2, characterized in that, The temperature sensing component is a temperature sensor (300), and the temperature display component includes a controller and a display screen (430). The temperature sensor (300) is sealed and embedded in the temperature sensing channel (140). The controller is electrically connected to the temperature sensor (300) and the display screen (430). The controller of the cold water detection device is configured to: preset several cold water temperature ranges, determine which cold water temperature range the current inlet water temperature is in based on the electrical signal of the temperature sensor (300), and control the display screen (430) to output the corresponding status of the cold water temperature range where the current inlet water temperature is located. The controller of the hot water detection device is configured to: preset several hot water temperature ranges. The temperature range is determined based on the electrical signal from the temperature sensor (300), which hot water temperature range the current inlet water temperature falls within, and the display screen (430) is controlled to output the corresponding status of the hot water temperature range where the current inlet water temperature is located. The cold water detection device and the hot water detection device can display matching statuses. When the statuses of the cold water detection device and the hot water detection device match, the ratios a / b and b / a of the difference 'a' between any temperature in the cold water temperature range corresponding to the current status of the cold water detection device and the preset center temperature, and the difference 'b' between any temperature in the hot water temperature range corresponding to the current status of the hot water detection device and the preset center temperature are both less than 1.

8.

5. The water supply condition detection device according to claim 3, characterized in that, The scale bar of the cold water detection device has a first scale value, a second scale value, a third scale value, and a fourth scale value from bottom to top. The scale bar of the hot water detection device has a first scale value, a second scale value, a third scale value, and a fourth scale value from top to bottom. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the first scale value and the second scale value, the scale ranges match. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the second scale value and the third scale value, the scale ranges match. When the liquid column of the cold water detection device and the liquid column of the hot water detection device are both located between the third scale value and the fourth scale value, the scale ranges match.

6. The water supply condition detection device according to claim 1, characterized in that, The preset center temperature is a value between 38℃ and 43℃.

7. The water supply condition detection device according to claim 3, characterized in that, The temperature display component includes a first fixed shell (440), a first transparent shell (450), and a first connector (460). The first fixed shell (440) is fixedly mounted on the outside of the housing (100). The first fixed shell (440) has a first mounting cavity. The first transparent shell (450) is embedded in the first mounting cavity. The first liquid column cavity (451) is located inside the first transparent shell (450). The scale bar is located on the surface of the first transparent shell (450). The first connector (460) has a first water passage (461). The first connector (460) is located between the first transparent shell (450) and the first sealing cavity (141). One end of the first water passage (461) is connected to the first liquid column cavity (451), and the other end is connected to the first sealing cavity (141).

8. The water supply condition detection device according to claim 3, characterized in that, The temperature display component also includes a knob (470). The bottom of the first liquid column cavity (451) is provided with an adjustment cavity (452). The adjustment cavity (452) is connected to the first liquid column cavity (451). The knob (470) is screwed into the adjustment cavity (452) from bottom to top. Rotating the knob (470) can change the volume of the adjustment cavity (452).

9. The water supply condition detection device according to claim 1, characterized in that, It also includes a rubber diaphragm (600) and a pressure display component. The housing (100) also has a pressure channel (150) which is opened on the side wall of the water inlet channel (130). The outer periphery of the rubber diaphragm (600) is sealed to the inner periphery of the pressure channel (150). The rubber diaphragm (600) and the pressure channel (150) form a second sealed cavity (151). The pressure display component has a second liquid column cavity (711) and a scale for indicating the height of the liquid column in the second liquid column cavity (711). The second sealed cavity (151) is in communication with the second liquid column cavity (711).

10. The water supply condition detection device according to claim 1, characterized in that, It also includes a rubber diaphragm (600), a thin-film pressure sensor (900), and a pressure display component. The housing (100) also has a pressure channel (150), which is opened on the side wall of the water inlet channel (130). The outer periphery of the rubber diaphragm (600) is sealed to the inner periphery of the pressure channel (150). The rubber diaphragm (600) and the pressure channel (150) form a third sealed cavity. The thin-film pressure sensor (900) is installed in the third sealed cavity. The water pressure of the water inlet channel (130) can be transmitted to the thin-film pressure sensor (900) through the rubber diaphragm (600). The pressure display component is installed on the outside of the housing (100). The pressure display component is a digital display screen, which is electrically connected to the thin-film pressure sensor (900).

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