Automatic constant-temperature expansion water heater

Abstract

The utility model relates to the field of constant-temperature heating devices, in particular to an automatic constant-temperature expansion water heater. The water heater comprises a heating unit, a water storage tank unit, a temperature measuring unit and a water valve adjusting unit, and the heating unit is arranged in the water storage tank unit, is close to the hot water outlet and is used for heating water in a water storage tank; the water valve unit is adjusted, and the cold-hot water proportion is controlled according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the temperature of water flowing out of the mixed water outlet is constant. The heating unit is arranged in the water storage tank unit and close to the position below the hot water outlet, water around the hot water outlet of the water storage tank can be rapidly heated, the water temperature of the water tank does not need to be completely adjusted, and heat energy is effectively saved. The temperature measuring unit is arranged at the mixed water outlet of the adjusting water valve unit and controls the cold and hot water proportion of the heating unit and the adjusting valve unit, so that the temperature of water flowing out of the mixed water outlet is close to or equal to the set temperature. The water valve unit is adjusted to control the proportion of cold water to hot water in the water storage tank, so that the temperature of water flowing out of the water outlet is close to or equal to the set temperature.

Description

Technical Field

[0001] The utility model relates to the field of constant temperature heating devices, in particular to an automatic constant temperature and capacity expansion water heater. Background Art

[0002] Traditional constant temperature heating devices heat the water tank first, and then control the ratio of cold and hot water when in use, which has the disadvantage of wasting heat energy. The utility model is an automatic constant temperature expansion water heater, which includes a heating unit, a water tank unit, a temperature measuring unit and a regulating water valve unit, wherein the heating unit is placed inside the water tank unit and close to the hot water outlet to heat the water temperature in the water tank; the water valve unit is adjusted to control the cold water ratio according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the water temperature flowing out of the mixed water outlet is constant. The heating unit is placed inside the water tank unit and close to the bottom of the hot water outlet, which can quickly heat the water temperature around the hot water outlet of the water tank, without adjusting the temperature of the entire water tank, so that heat energy is effectively saved. Summary of the invention

[0003] The utility model discloses an automatic constant temperature and expandable water heater, which comprises a heating unit, a water storage tank unit, a temperature measuring unit and a regulating water valve unit, wherein the heating unit is arranged inside the water storage tank unit and close to the hot water outlet to heat the water temperature in the water storage tank; the water valve unit is adjusted to control the cold water ratio according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the water temperature flowing out of the mixed water outlet is constant.

[0004] One is that the heating unit is placed inside the water storage tank unit and close to the bottom of the hot water outlet, which can quickly heat the water temperature around the hot water outlet of the water storage tank without adjusting the water temperature of the entire water outlet tank, thereby effectively saving heat energy.

[0005] Secondly, there is an insulation layer around the water tank unit, so that the heating unit can effectively heat the inside of the water tank unit, and because it is close to the hot water outlet, the water temperature in the water tank can be heated; the water valve unit is adjusted at a close distance, and the cold water ratio is controlled according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the water temperature flowing out of the mixed water outlet is constant.

[0006] The third is that the temperature measuring unit is at the mixed water outlet of the regulating water valve unit to control the ratio of hot and cold water of the heating unit and the regulating valve unit so that the water temperature flowing out of the mixed water outlet is close to or equal to the set temperature.

[0007] The fourth is the water regulating valve unit, which has two inputs, cold water and hot water from the water storage tank. There is a temperature measuring unit near the hot water outlet to control the ratio of cold and hot water so that the water temperature flowing out of the mixed outlet is close to or equal to the set temperature.

[0008] Among them, the preferred solution is that the heating power of the heating unit can be adjusted so that the water temperature in the water storage tank can be heated to a set temperature or slightly higher by one to two degrees Celsius.

[0009] Among them, the preferred solution is to adjust the water valve unit to control the cold water ratio according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the water temperature flowing out of the mixed water outlet is low; at the same time, the heating power of the heating unit is controlled so that the water temperature of the water storage tank unit is equal to or higher than the set temperature by one to two degrees Celsius.

[0010] Among them, the preferred solution is that the temperature measuring unit, the water valve regulating unit and the heating unit are very close to each other, so that the heating unit can heat to the required temperature most effectively, which can save a lot of heating power and is very helpful for energy saving.

[0011] Among them, the preferred solution is that the heating unit is placed inside the water storage tank unit and close to the bottom of the hot water outlet. It can quickly heat the water temperature around the hot water outlet of the water storage tank without adjusting the water temperature of the entire water outlet tank, thereby effectively saving heat energy.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: 1. The heating unit is placed inside the water storage tank unit and close to the bottom of the hot water outlet. It can quickly heat the water temperature around the hot water outlet of the water storage tank without adjusting the water temperature of the entire water outlet, so that heat energy is effectively saved; 2. The temperature measuring unit, the regulating water valve unit and the heating unit are very close to each other, so that the heating unit can heat to the required temperature most effectively, which can save a lot of heating power and is very helpful for energy saving; 3. There is an insulation layer around the water storage tank unit, so that the heating unit can effectively heat the inside of the water tank unit, and because it is close to the hot water outlet, it can heat the water temperature in the water storage tank; the water valve unit is adjusted at a close distance, and the cold water ratio is controlled according to the difference between the temperature measured by the temperature measuring unit and the set heating temperature, so that the water temperature flowing out of the mixed outlet is constant. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of an automatic constant temperature and capacity expansion water heater;

[0014] Figure 2 A schematic diagram of the heater position of an automatic constant temperature and capacity expansion water heater;

[0015] Figure 3 A schematic diagram of a regulating water valve unit of an automatic constant temperature and expansion water heater;

[0016] Figure 4 It is a schematic diagram of a constant temperature process of a water heater with automatic constant temperature expansion;

[0017] Figure 5 It is a schematic diagram of the capacity expansion of a water heater with automatic constant temperature expansion;

[0018] Figure 6 A schematic diagram of a water regulating valve unit component of an automatic constant temperature and expansion water heater;

[0019] Figure 7 It is a schematic diagram of an example of a regulating water valve unit of an automatic constant temperature and expansion water heater;

[0020] Figure 8 The present invention is a schematic diagram of an example of a regulating water valve unit of an automatic constant temperature and expansion water heater.

[0021] Explanation of the symbols in the accompanying drawings: 10-heating unit; 20-water storage tank unit; 22-upper end of the water storage tank unit; 30-temperature measuring unit; 40-water regulating valve unit; 50-hot water outlet; 60-mixing water outlet; 61-first mixing water outlet; 62-second mixing water outlet; 63-third mixing water outlet; 64-fourth mixing water outlet; 65-fifth mixing water outlet; 66-high temperature water outlet; 70-cold water; 81-cold water injection section; 82-hot water outflow section after heating; 83-section flowing into the water storage tank unit. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Figures 1 to 8 The above purpose is achieved as shown.

[0023] The utility model provides the following technical solution, which is characterized by an automatic constant temperature expansion water heater, characterized by a device, such as Figure 1 As shown, the water heater includes a heating unit 10, a water storage tank unit 20, a temperature measuring unit 30 and a regulating water valve unit 40, wherein the heating unit 10 is placed inside the water storage tank unit 20 and close to the hot water outlet 50 to heat the water temperature in the water storage tank; the water valve unit is adjusted to control the proportion of cold water 70 according to the difference between the temperature measured by the temperature measuring unit 30 and the set heating temperature, so that the water temperature flowing out of the mixing outlet 60 is constant.

[0024] One is that the heating unit 10 is placed inside the water storage tank unit 20 and close to the bottom of the hot water outlet 50, which can quickly heat the water temperature around the hot water outlet 50 of the water storage tank without adjusting the water temperature of the entire water outlet tank, thereby effectively saving heat energy.

[0025] Secondly, the water tank unit 20 is surrounded by an insulation layer, so that the heating unit 10 can effectively heat the inside of the water tank unit 20, and because it is close to the hot water outlet 50, it can heat the water temperature in the water tank; the water valve unit is adjusted at a short distance, and the cold water ratio is controlled according to the difference between the temperature measured by the temperature measuring unit 30 and the set heating temperature, so that the water temperature flowing out of the mixing outlet 60 is constant. Figure 2As shown, cold water 70 flows into the water storage tank unit section 20 through the cold water injection section 81; is heated by the heating unit 10 and then flows through the heated hot water outflow section 82; flows to the water storage tank unit section 83; and then flows to the water regulating valve unit 40.

[0026] Thirdly, the temperature measuring unit 30 controls the ratio of hot and cold water of the heating unit 10 and the regulating valve unit at the mixed water outlet 60 of the regulating water valve unit 40, so that the water temperature flowing out of the mixed water outlet 60 is close to or equal to the set temperature.

[0027] The fourth is a water regulating valve unit 40, such as Figure 3 As shown, there are two inputs, namely cold water 70 and hot water from a water storage tank. A temperature measuring unit 30 is provided near the hot water outlet 50 to control the ratio of cold and hot water so that the temperature of water flowing out of the mixing outlet 60 is close to or equal to the set temperature.

[0028] Among them, the preferred solution is Figure 4 As shown, the heating power of the heating unit (10) can be adjusted so that the water temperature in the water storage tank can be heated to a set temperature or slightly higher by one to two degrees Celsius.

[0029] S10 low temperature end: when the temperature measuring unit 30 is lower than the set temperature by more than 2 degrees, the heating unit 10 is fully turned on and the cold water is turned off;

[0030] S20 Suitable temperature stage: when the temperature of the temperature measuring unit 30 is less than 2 degrees below the set temperature, the power of the heating unit 10 is half-opened, and the cold water is turned off;

[0031] S30 slightly higher stage: when the temperature measuring unit 30 is equal to the set temperature or higher than 2 degrees, the power of the heating unit 10 is fully turned off, and the cold water is turned off;

[0032] S40 Ultra-high stage: When the temperature of the temperature measuring unit 30 is higher than 2 degrees, the power of the heating unit 10 is completely turned off, and the cold water is turned off by one tenth;

[0033] S50: Adjustment stage: When the temperature of the temperature measuring unit 30 is higher than 2 degrees, the power of the heating unit 10 is completely turned off, and if it is higher, it is increased by one tenth; maintain S50; until the temperature of the temperature measuring unit 30 is equal to the set temperature;

[0034] S60: Maintenance stage: When the temperature of the temperature measuring unit 30 is not lower than the set temperature, slowly turn off the cold water; when it is lower than the set temperature, return to S10.

[0035] Among them, the preferred solution is Figure 5 As shown, the water valve unit 40 is adjusted to control the cold water ratio according to the difference between the temperature measured by the temperature measuring unit 30 and the set heating temperature, so that the water temperature flowing out of the mixed water outlet 60 is adjusted; at the same time, the heating power of the heating unit 10 is controlled so that the water temperature of the water storage tank unit 20 is equal to or higher than the set temperature by one to two degrees Celsius.

[0036] Among them, the preferred solution is Figure 5 As shown, after the regulating water valve unit 40, the first mixing water outlet 61, the second mixing water outlet 62, the third mixing water outlet 63, the fourth mixing water outlet 64 and the fifth mixing water outlet 65 can be connected in series to achieve a capacity expansion effect; if the temperature rises, the high-temperature water outlet 66 can be used to discharge the hot water to avoid excessively high-temperature hot water at each mixing water outlet.

[0037] Among them, the preferred solution is that the temperature measuring unit 30, the water valve regulating unit 40 and the heating unit 10 are very close to each other, so that the heating unit 10 can heat to the required temperature most effectively, which can save a lot of heating power and is very helpful for energy saving.

[0038] In the preferred embodiment, the heating unit 10 is placed inside the water storage tank unit 20 and close to the bottom of the hot water outlet 50, which can quickly heat the water temperature around the hot water outlet 50 of the water storage tank without adjusting the water temperature of the entire water outlet tank, so that heat energy is effectively saved. Figure 6 As shown, the height of the heating unit 10 in the water tank unit 20 can be adjusted according to the water tank unit 20 and the heating speed.

[0039] Among them, the preferred solution is that the heating unit is placed inside the water storage tank unit and close to the bottom of the hot water outlet. It can quickly heat the water temperature around the hot water outlet of the water storage tank without adjusting the water temperature of the entire water outlet tank, so that heat energy is effectively saved. The heating unit can use a thyristor circuit to control the power in a duty cycle manner, which will not generate sparks, is safe, and prolongs the use time of the device.

[0040] Among them, the preferred solution is that the temperature measuring unit 30, the water valve regulating unit 40 and the heating unit 10 are very close to each other, so that the heating unit 10 can heat to the required temperature most effectively, which can save a lot of heating power and is very helpful for energy saving.

[0041] Among them, the preferred solution is Figure 7 , Figure 8 As shown, the water storage tank unit 20 is surrounded by an insulation layer, so that the heating unit 10 can effectively heat the inside of the water tank unit 20, and because it is close to the hot water outlet 50, the water temperature in the water storage tank can be heated; the water valve unit is adjusted at a close distance, and the cold water ratio is controlled according to the difference between the temperature measured by the temperature measuring unit 30 and the set heating temperature, so that the water temperature flowing out of the mixing outlet 60 is constant.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

[0043] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An automatic constant temperature and expansion water heater, comprising a heating unit (10), a water storage tank unit (20), a temperature measuring unit (30) and a regulating water valve unit (40), wherein the heating unit (10) is placed inside the water storage tank unit (20) and close to a hot water outlet (50) to heat the water temperature in the water storage tank; and the water valve unit is adjusted to control the proportion of cold water (70) according to the difference between the temperature measured by the temperature measuring unit (30) and the set heating temperature, so that the temperature of water flowing out of the mixing outlet (60) is constant.

2. According to the automatic constant temperature expansion water heater of claim 1, the heating unit (10) is placed inside the water storage tank unit (20) and close to the bottom of the hot water outlet (50), so that the water temperature around the hot water outlet (50) of the water storage tank can be quickly heated without adjusting the temperature of the entire water outlet tank, thereby effectively saving heat energy.

3. According to claim 1, an automatic constant temperature expansion water heater is provided with a heat preservation layer around the water storage tank unit (20), so that the heating unit (10) can effectively heat the inside of the water storage tank unit (20), and because it is close to the hot water outlet (50), it can heat the water temperature in the water storage tank; the water valve unit is adjusted at a close distance, and the proportion of cold water (70) is controlled according to the difference between the temperature measured by the temperature measuring unit (30) and the set heating temperature, so that the temperature of the water flowing out of the mixing outlet (60) is constant.

4. According to the automatic constant temperature expansion water heater of claim 1, the temperature measuring unit (30) is at the mixed water outlet (60) of the regulating water valve unit (40), controls the ratio of cold and hot water of the heating unit (10) and the regulating valve unit, so that the water temperature flowing out of the mixed water outlet (60) is close to or equal to the set temperature.

5. According to claim 1, the water heater with automatic constant temperature expansion, the regulating water valve unit (40) has two inputs, namely cold water (70) and the hot water outlet (50) of the water storage tank unit (20), wherein a temperature measuring unit (30) is provided near the hot water outlet (50) to control the ratio of cold water to hot water so that the temperature of water flowing out of the mixing outlet (60) is close to or equal to the set temperature.

6. According to the automatic constant temperature and expansion water heater of claim 1, the heating power of the heating unit (10) can be adjusted so that the water temperature in the water storage tank can be heated to a set temperature or slightly higher by one to two degrees.

7. According to claim 1, the water heater with automatic constant temperature expansion, the regulating water valve unit (40) controls the proportion of cold water (70) according to the difference between the temperature measured by the temperature measuring unit (30) and the set heating temperature, so that the water temperature flowing out of the mixing outlet (60) is reduced; at the same time, the heating power of the heating unit (10) is controlled so that the water temperature of the water storage tank unit (20) is equal to or higher than the set temperature by one to two degrees Celsius.

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