CN111811144B - Water temperature presetting device of electric water heater - Google Patents
Water temperature presetting device of electric water heater Download PDFInfo
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- CN111811144B CN111811144B CN202010540461.3A CN202010540461A CN111811144B CN 111811144 B CN111811144 B CN 111811144B CN 202010540461 A CN202010540461 A CN 202010540461A CN 111811144 B CN111811144 B CN 111811144B
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- water
- pipe
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- backflow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The invention relates to the technical field of household appliances, and discloses a water temperature presetting device of an electric water heater, a water trough is arranged on the surface of the inner clapboard and positioned between the middle clapboards, the adjusting pipe is movably sleeved on one side of the bin body and penetrates through the bin body, the adjusting trough is arranged on the middle position of the bottom of the inner wall of the adjusting pipe, when the adjusting pipe rotates in the inner clapboard, the regulating tank arranged on the inner wall of the regulating pipe is communicated with the water through tank arranged on the surface of the inner partition plate, so that cold water in the compartment between the middle partition plates can flow into the regulating pipe through the water through tank and be mixed with hot water, simultaneously, the temperature measuring plate detects the water temperature in the adjusting pipe and feeds the temperature back to the display screen for displaying, so that the water temperature is pre-adjusted under the condition of nonuse, more compartments are connected with the adjusting pipe by continuously rotating until the proper water temperature is displayed on the display screen, and in addition, the heat insulation effect of the adjusting pipe can prevent the heat of the hot water in the inner cavity from being dissipated to the temperature limiting device.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a water temperature presetting device of an electric water heater.
Background
The electric water heater is a very common household appliance, heat the water in the water storage tank through the heating rod and transport to the delivery port that is being used through the water pipe, can be anytime and anywhere for people provide hot water, be the indispensable equipment among people's daily life, at the in-process of bathing, heat the water in the water storage tank in advance through the power, when opening after reaching preset temperature, high temperature water in the water storage tank can mix with cold water and reach suitable temperature and be used for bathing, cold water also constantly adds to the water storage tank in and heats simultaneously, guarantee to keep keeping always in the water storage tank hot water.
However, when the temperature is adjusted, people can only try the water temperature by hands and adjust the discharge amount of the cold water to reach the proper temperature, waste of water resources is caused in the process, and when a user is located at a position with a higher floor, the water pressure of the user at a high floor is unstable due to the fact that the household at the bottom floor also uses tap water, the discharge amount of the cold water of the electric water heater is directly influenced, the water temperature is unstable, and scalding is easy to occur.
Disclosure of Invention
The invention provides a water temperature presetting device of an electric water heater, aiming at the defects of the existing electric water heater in the background technology in the using process, and the water temperature presetting device has the advantage of presetting the water temperature before use, and solves the problem of water resource waste caused by temperature debugging.
The invention provides the following technical scheme: the utility model provides an electric water heater temperature presetting device, includes hot-water tank and cold water storage cistern, one side fixed mounting of hot-water tank has delivery pipe I, the bottom fixed mounting of hot-water tank has the hot-water line, the one end fixed mounting of hot-water line has the regulation storehouse, the top fixed mounting of regulation storehouse has the cold water pipe, the one end and the cold water storage cistern of cold water pipe link to each other, the back fixed mounting of cold water storage cistern has delivery pipe II.
Preferably, one side of the adjusting bin is movably sleeved with an adjusting device, one end of the adjusting device is connected with the hot water pipe, and the outer surface of the adjusting device is movably sleeved with a temperature limiting device at the position of the inner cavity of the adjusting bin.
Preferably, the adjusting bin comprises a bin body, a cold water pipe is fixedly mounted at the top of the bin body, a display screen is fixedly mounted at one end of the bin body, and an adjusting device is movably sleeved at the position, located at the bottom of the display screen, of one side of the bin body.
Preferably, the adjusting device comprises an adjusting pipe, the adjusting pipe is movably sleeved on one side of the bin body and penetrates through the bin body, the temperature limiting device is movably sleeved on the outer surface of the adjusting pipe, a water outlet is clamped at one end of the adjusting pipe, a water inlet is clamped at the other side of the adjusting pipe, a temperature control valve is fixedly mounted on one side of the water inlet, an adjusting groove is formed in the middle position of the bottom of the inner wall of the adjusting pipe, a temperature measuring plate is fixedly mounted on the middle position of the top of the inner wall of the adjusting pipe, and limiting grooves are formed in two sides of the contact part of the adjusting pipe and the temperature limiting device.
Preferably, the temperature limiting device comprises an inner partition plate and an outer partition plate, a middle partition plate is fixedly mounted on the outer surface of the inner partition plate, the middle partition plate extends from one side of an inner cavity of the temperature limiting device to the other side, one end of the middle partition plate is connected with the outer partition plate, a mounting hole is formed in the position, located between the middle partition plates, of the outer surface of the outer partition plate, a one-way valve is fixedly sleeved in the mounting hole, a water through groove is formed in the position, located between the middle partition plates, of the surface of the inner partition plate, a fixing plate is fixedly mounted on the outer surface of the inner partition plate, one end of the fixing plate is connected with the inner wall of the bin body, and limiting rings are fixedly mounted at two ends of the inner cavity of the inner partition plate.
Preferably, the limiting ring is matched with the limiting groove.
Preferably, the output end of the temperature measuring plate is in signal connection with the input end of the temperature control valve, and the output end of the temperature measuring plate is in signal connection with the input end of the display screen.
Preferably, reflux unit includes the outer sleeve, outer sleeve fixed mounting is in the one end of delivery port, the fixed cover of inner chamber of outer sleeve has been cup jointed the spacing ring, back flow two has been cup jointed in the inside activity of outer sleeve, the one end and the spacing ring of back flow two contact, return opening I has been seted up to the surface of back flow two, fixed mounting has the knob on the one end of back flow two is located the position at center, the knob runs through the outer sleeve, apopore I has been seted up on the one end of back flow two is located the position in the knob outside, apopore II has been seted up on the position that outer sleeve one end is located the knob top, return opening II has been seted up to the surface of outer sleeve, the position and the return opening I of return opening II are corresponding, the one end of return opening II is connected with back flow one.
Preferably, the material of the adjusting pipe is a heat insulation plate.
The invention has the following beneficial effects:
1. according to the invention, the water through groove is formed in the position, located between the middle partition plates, of the surface of the inner partition plate, the adjusting pipe is movably sleeved on one side of the bin body and penetrates through the bin body, the adjusting groove is formed in the middle position of the bottom of the inner wall of the adjusting pipe, when the adjusting pipe rotates in the inner partition plate, the adjusting groove formed in the inner wall of the adjusting pipe is communicated with the water through groove formed in the surface of the inner partition plate, so that cold water in the compartments between the middle partition plates can flow into the adjusting pipe through the water through groove and be mixed with hot water, meanwhile, the temperature measuring plate detects the water temperature in the adjusting pipe and feeds the temperature back to the display screen for displaying, the water temperature is pre-adjusted under the condition of no use, more compartments are connected with the adjusting pipe by continuously rotating until the display screen displays the proper water temperature, and in addition, the heat insulation effect of the adjusting pipe can prevent the heat of the hot water in the inner cavity from being dissipated to the temperature limiting device.
2. The cold water is stored in the cold water tank, and the cold water tank is connected with the inner cavity of the bin body through the cold water pipe, so that the flow of the cold water can be stable, the flow rate of cold water in the water supply pipe II can be influenced when the water pressure is unstable, the phenomenon that the water temperature rises due to the fact that the flow rate in the cold water pipe is slowed down due to unstable water pressure is avoided, scalding is avoided, in addition, the cold water in the bin body can be limited to continuously enter a compartment between the middle partition plates through the one-way valve, scalding caused by the fact that the preset water temperature is lower than the actual water temperature after opening is avoided, the water pressure in the compartment is lower than the water pressure in the bin body when the water amount in the compartment between the middle partition plates is too small, the one-way valve is opened, and the cold water can be supplemented into the middle partition plates to ensure that the preset function can stably run.
3. The invention connects with the hot water pipe through one end of the adjusting device, the hot water of the hot water pipe can flow through the inner cavity of the adjusting device, when the adjusting device is used by a user, the pressure of the inner cavity of the adjusting device can be reduced when the hot water flows through the inner cavity of the adjusting device, and the pressure difference is formed on two sides of the one-way valve to open the one-way valve, the cold water is continuously mixed with the hot water in the inner cavity of the adjusting device through the one-way valve, so that the equipment can stably output the hot water with preset temperature, the working stability of the equipment is improved, on the other hand, one side of the water inlet is fixedly provided with the temperature control valve, when the water consumption of the user is too large, the heating rate of the hot water tank can not be consumed, the water temperature through the adjusting device is reduced, the temperature measuring plate senses the water temperature reduction and sends a signal to the temperature control valve and limits the flow of the hot water, thereby ensuring that the water in the hot water tank is maintained in a certain temperature range, the flow rate of hot water in the inner cavity of the adjusting device is reduced after the temperature control valve limits the flow rate of the hot water, the pressure difference between two sides of the one-way valve is reduced, the opening of the one-way valve is reduced, the amount of cold water entering the inner cavity of the adjusting device is reduced, the problem that the output water temperature of the device is reduced due to the reduction of the flow rate of the hot water is avoided, and the working stability of the device is improved.
4. According to the invention, the backflow hole I is formed in the outer surface of the backflow pipe II, the backflow hole II is formed in the outer surface of the outer sleeve, the position of the backflow hole II corresponds to that of the backflow hole I, and one end of the backflow hole II is connected with the backflow pipe I, so that water can flow back to the hot water tank through the backflow hole I, the backflow hole II and the backflow pipe I when the water temperature is preset, the condition that the water in the adjusting pipe is in a flowing state when the water temperature is preset is ensured, the water temperature is ensured not to fluctuate violently when a user starts to use after the temperature is preset, the accuracy of temperature presetting is ensured, meanwhile, the water flow at the time of temperature presetting flows back to the hot water tank, and the waste of water resources is avoided when the temperature is preset.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is a partial structural view of the present invention;
FIG. 4 is a schematic side sectional view of a portion of the structure of the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 4;
FIG. 6 is a schematic cross-sectional view of a portion of the structure of the present invention;
FIG. 7 is a schematic view of a reflow apparatus of the present invention;
FIG. 8 is a schematic front view of a reflow apparatus of the present invention;
FIG. 9 is a schematic cross-sectional view taken at A in FIG. 8;
FIG. 10 is a schematic cross-sectional view taken at B in FIG. 8.
In the figure: 1. a hot water tank; 2. a cold water tank; 3. a water supply pipe I; 4. a hot water pipe; 5. a regulating bin; 51. a bin body; 52. a display screen; 6. a cold water pipe; 7. a water supply pipe II; 8. an adjustment device; 81. an adjusting tube; 82. a water outlet; 83. a water inlet; 84. a temperature control valve; 85. an adjustment groove; 86. a temperature measuring plate; 87. a limiting groove; 9. a temperature limiting device; 91. an inner partition plate; 92. an outer partition plate; 93. a middle partition plate; 94. a one-way valve; 95. a water trough; 96. a fixing plate; 97. a limiting ring; 10. a reflux device; 101. an outer sleeve; 102. a limiting ring; 103. a second return pipe; 104. a backflow hole I; 105. a knob; 106. a water outlet hole I; 107. a water outlet hole II; 108. a backflow hole II; 11. and a first return pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a water temperature presetting device of an electric water heater comprises a hot water tank 1 and a cold water tank 2, wherein a water supply pipe i 3 is fixedly installed at one side of the hot water tank 1, a hot water pipe 4 is fixedly installed at the bottom of the hot water tank 1, an adjusting bin 5 is fixedly installed at one end of the hot water pipe 4, the adjusting bin 5 comprises a bin body 51, a cold water pipe 6 is fixedly installed at the top of the bin body 51, a display screen 52 is fixedly installed at one end of the bin body 51, an adjusting device 8 is movably sleeved at the position of one side of the bin body 51 at the bottom of the display screen 52, the adjusting device 8 comprises an adjusting pipe 81, the adjusting pipe 81 is movably sleeved at one side of the bin body 51 and penetrates through the bin body 51, a temperature limiting device 9 is movably sleeved at the outer surface of the adjusting pipe 81, a water outlet 82 is clamped at one end of the adjusting pipe 81, a water inlet 83 is clamped at the other side of the adjusting pipe 81, a temperature control valve 84 is fixedly installed at one side of the water inlet 83, an adjusting groove 85 is formed in the middle of the bottom of the inner wall of the adjusting pipe 81, a temperature measuring plate 86 is fixedly installed at the middle of the top of the inner wall of the adjusting pipe 81, the output end of the temperature measuring plate 86 is in signal connection with the input end of the temperature control valve 84, the output end of the temperature measuring plate 86 is in signal connection with the input end of the display screen 52, limiting grooves 87 are formed in two sides of the contact part of the adjusting pipe 81 and the temperature limiting device 9, a cold water pipe 6 is fixedly installed at the top of the adjusting bin 5, one end of the cold water pipe 6 is connected with the cold water tank 2, a water supply pipe II 7 is fixedly installed on the back of the cold water tank 2, the temperature limiting device 9 is movably sleeved on the outer surface of the adjusting device 8 at the inner cavity of the adjusting bin 5, the temperature limiting device 9 comprises an inner partition plate 91 and an outer partition plate 92, a middle partition plate 93 is fixedly installed on the outer surface of the inner partition plate 91, the middle partition plate 93 extends from one side of the inner cavity of the temperature limiting device 9 to the other side, one end of the middle partition plate 93 is connected with the outer partition plate 92, the outer surface of the outer partition plate 92 is provided with mounting holes between the middle partition plates 93, the mounting holes are fixedly sleeved with one-way valves 94, the surface of the inner partition plate 91 is provided with water passing grooves 95 between the middle partition plates 93, the outer surface of the inner partition plate 91 is fixedly provided with a fixing plate 96, one end of the fixing plate 96 is connected with the inner wall of the bin body 51, two ends of the inner cavity of the inner partition plate 91 are fixedly provided with limiting rings 97, and the limiting rings 97 are matched with the limiting grooves 87.
A water trough 95 is arranged on the surface of the inner clapboard 91 between the middle clapboards 93, the adjusting pipe 81 is movably sleeved on one side of the bin body 51 and penetrates through the bin body 51, the adjusting trough 85 is arranged on the middle position of the bottom of the inner wall of the adjusting pipe 81, when the adjusting pipe 81 rotates in the inner clapboard 91, the adjusting groove 85 arranged on the inner wall of the adjusting pipe 81 is communicated with the water through groove 95 arranged on the surface of the inner clapboard 91, so that cold water in the compartment between the middle clapboards 93 can flow into the adjusting pipe 81 through the water through groove 95 and be mixed with hot water, meanwhile, the temperature measuring plate 86 detects the water temperature in the adjusting pipe 81 and feeds the temperature back to the display screen 52 for displaying, so that the water temperature is pre-adjusted under the condition of no boiling water, and the adjusting pipe 81 is continuously rotated to connect more compartments until the display screen 52 displays the proper water temperature, and in addition, the heat insulation effect of the adjusting pipe 81 can prevent the heat of the hot water in the inner cavity from being dissipated into the temperature limiting device 9.
Store cold water through cold water tank 2 is internal to cold water tank 2 links to each other through cold water pipe 6 and storehouse body 51's inner chamber, makes the flow of cold water can be stable, can influence the velocity of flow of cold water in delivery pipe II 7 when water pressure unstability appears, and the cold water of storing in cold water tank 2 makes the velocity of flow of cold water in cold water pipe 6 then can not receive the influence, has avoided the water pressure unstability to lead to the fact the scald to the rising of velocity of flow slow water temperature in cold water pipe 6.
The check valve 94 can limit cold water in the bin body 51 from continuously entering the compartment between the middle partition plates 93, scalding caused by the fact that the pre-adjusted water temperature is lower than the actual water temperature after opening is avoided, and when the water amount in the compartment between the middle partition plates 93 is too small, the water pressure in the compartment is lower than the water pressure in the bin body 51, so that the check valve 94 is opened, cold water can be supplemented into the middle partition plates 93, and the pre-adjusted function can be guaranteed to stably run.
Through, the one end of adjusting device 8 is connected with hot-water line 4, makes the hot water of hot-water line 4 can flow through the inner chamber of adjusting device 8, and when the user used, hot water can make the pressure reduction of adjusting device 8 inner chamber when flowing through the inner chamber of adjusting device 8 to form the pressure difference in the both sides of check valve 94 and make check valve 94 open, cold water passes through check valve 94 and the hot water in the inner chamber of adjusting device 8 and continuously mixes, makes equipment can stably output the hot water of presetting the temperature, has improved the stability of this equipment work.
Wherein, one side fixed mounting of water inlet 83 has temperature detect valve 84, when the user's water consumption is too big, when hot-water tank 1 heating rate can't follow up consumption, make the temperature that passes through adjusting device 8 reduce, temperature measurement board 86 senses the temperature and reduces and send signal for temperature detect valve 84 and restriction hot water flow, thereby guarantee that the temperature in the hot-water tank 1 maintains in certain temperature range, meanwhile, make the hot water velocity of flow of the intracavity in adjusting device 8 reduce after temperature detect valve 84 restriction hot water flow, make the pressure difference of check valve 94 both sides reduce and make check valve 94 opening reduce, the volume that cold water got into the inner chamber of adjusting device 8 reduces, avoided this equipment can not lead to the problem that the temperature of output reduces because of hot water flow reduces, the stability of the device during operation has been improved.
The fixing plate 96 is fixedly arranged on the outer surface of the inner partition plate 91, one end of the fixing plate 96 is connected with the inner wall of the bin body 51, so that the temperature limiting device 9 can be completely fixed in the inner cavity of the adjusting bin 5, the inconvenience in operation caused by the fact that the adjusting device 8 is rotated to drive the temperature limiting device 9 to rotate together is avoided, and the practicability of the equipment is improved.
The limiting groove 87 is formed in the two sides of the contact part of the adjusting pipe 81 and the temperature limiting device 9, the limiting rings 97 are fixedly mounted at the two ends of the inner cavity of the inner partition plate 91, the limiting rings 97 are matched with the limiting grooves 87 to ensure that the position of the adjusting device 8 in the temperature limiting device 9 is relatively fixed, the situation that the adjusting device 8 is shifted due to overlong service time to enable the adjusting groove 85 to be aligned normally with the water passing groove 95 and work normally is avoided, and the working stability of the device is improved.
Wherein, backflow hole I104 has been seted up through the surface of back flow two 103, backflow hole II 108 has been seted up to the surface of outer sleeve 101 and the position of backflow hole II 108 is corresponding with backflow hole I104, the one end of backflow hole II 108 is connected with back flow 11, make rivers can pass through backflow hole I104 when predetermineeing the temperature, backflow hole II 108 and a back flow 11 flow back to hot-water tank 1, the inside water of regulating tube 81 is in the state that flows when guaranteeing to predetermine the temperature, the temperature can not acutely fluctuate when guaranteeing that the user predetermines the temperature after beginning to use, the degree of accuracy that the temperature was predetermine has been ensured, simultaneously, rivers flow back to hot-water tank 1 when predetermineeing the temperature, can not cause the waste of water resource when having realized predetermineeing the temperature.
The using method of the invention is as follows:
before use, the position of the adjusting groove 85 is changed by rotating the adjusting pipe 81 and is communicated with the water through groove 95, cold water in a compartment between the middle partition plates 93 enters the adjusting pipe 81 through the water through groove 95 and the adjusting groove 85 to cool hot water, meanwhile, the temperature measuring plate 86 detects the temperature of the water in the adjusting pipe 81 and displays the temperature on the display screen 52, if the temperature of the water is still high, the adjusting pipe 81 can be continuously rotated, so that the adjusting groove 85 can be communicated with more water through grooves 95, and the water temperature is further reduced until the water temperature reaches a preset value.
When the water temperature presetting device of the electric water heater is used, hot water passes through the inner cavity of the adjusting pipe 81 and forms pressure difference on two sides of the one-way valve 94 to be opened, cold water is continuously mixed with the hot water in the adjusting pipe 81 through the middle partition plate 93 and the water through groove 95, the temperature is always kept within an allowable error of a preset value, the return hole I104 corresponds to the return hole II 108, the water in the adjusting pipe 81 flows through the water outlet 82 and enters the inside of the return pipe II 103, and flows back to the hot water tank 1 through the return hole I104, the return hole II 108 and the return pipe I11, and the condition that the water in the adjusting pipe 81 flows at the preset temperature is guaranteed.
After the use is finished, the knob 105 is rotated and the second backflow pipe 103 is driven to rotate, the first backflow hole I104 and the second backflow pipe 103 do not correspond to each other, the second backflow hole II 108 is shielded and prevented from flowing into the first backflow pipe 11 by the shell of the second backflow pipe 103, and meanwhile the water outlet I106 and the water outlet II 107 correspond to each other and enable water to flow out and be used by a user.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an electric water heater temperature presetting device, includes hot-water tank (1) and cold water tank (2), its characterized in that: a water supply pipe I (3) is fixedly installed on one side of the hot water tank (1), a hot water pipe (4) is fixedly installed on the bottom of the hot water tank (1), an adjusting bin (5) is fixedly installed on one end of the hot water pipe (4), a cold water pipe (6) is fixedly installed on the top of the adjusting bin (5), one end of the cold water pipe (6) is connected with the cold water tank (2), a water supply pipe II (7) is fixedly installed on the back of the cold water tank (2), a backflow device (10) is fixedly installed on one end of the water supply pipe II (7), a backflow pipe I (11) is fixedly installed on the outer surface of the backflow device (10), one end of the backflow pipe I (11) is communicated with the hot water tank (1), an adjusting device (8) is movably sleeved on one side of the adjusting bin (5), a temperature limiting device (9) is movably sleeved on the outer surface of the adjusting device (8) on the position of the inner cavity of the adjusting bin (5), the adjusting bin (5) comprises a bin body (51), a cold water pipe (6) is fixedly mounted at the top of the bin body (51), a display screen (52) is fixedly mounted at one end of the bin body (51), the adjusting device (8) comprises an adjusting pipe (81), the adjusting pipe (81) is movably sleeved on one side of the bin body (51) and penetrates through the bin body (51), a temperature limiting device (9) is movably sleeved on the outer surface of the adjusting pipe (81), a water outlet (82) is clamped at one end of the adjusting pipe (81), a backflow device (10) is fixedly mounted at one end of the water outlet (82), a water inlet (83) is clamped at the other side of the adjusting pipe (81), a temperature control valve (84) is fixedly mounted at one side of the water inlet (83), an adjusting groove (85) is formed in the middle position of the bottom of the inner wall of the adjusting pipe (81), and a temperature measuring plate (86) is fixedly mounted at the middle position of the top of the inner wall of the adjusting pipe (81), the temperature-limiting device is characterized in that limiting grooves (87) are formed in two sides of a contact part of the adjusting pipe (81) and the temperature-limiting device (9), the temperature-limiting device (9) comprises an inner partition plate (91) and an outer partition plate (92), a middle partition plate (93) is fixedly installed on the outer surface of the inner partition plate (91), the middle partition plate (93) extends from one side of an inner cavity of the temperature-limiting device (9) to the other side, one end of the middle partition plate (93) is connected with the outer partition plate (92), an installation hole is formed in the position, located between the middle partition plates (93), of the outer surface of the outer partition plate (92), a one-way valve (94) is fixedly sleeved in the installation hole, a water through groove (95) is formed in the position, located between the middle partition plates (93), of the surface of the inner partition plate (91), a fixing plate (96) is fixedly installed on the outer surface of the inner partition plate (91), one end of the fixing plate (96) is connected with the inner wall of the bin body (51), two ends of the inner cavity of the inner partition plate (91) are fixedly provided with limit rings (97); the backflow device (10) comprises an outer sleeve (101), the outer sleeve (101) is fixedly installed at one end of a water outlet (82), a limiting ring (102) is fixedly sleeved on an inner cavity of the outer sleeve (101), a backflow pipe II (103) is movably sleeved inside the outer sleeve (101), one end of the backflow pipe II (103) is in contact with the limiting ring (102), a backflow hole I (104) is formed in the outer surface of the backflow pipe II (103), a knob (105) is fixedly installed at the position, located at the center, of one end of the backflow pipe II (103), the knob (105) penetrates through the outer sleeve (101), a water outlet I (106) is formed in the position, located on the outer side of the knob (105), of one end of the outer sleeve (101), a water outlet II (107) is formed in the position, located above the knob (105), and a backflow hole II (108) is formed in the outer surface of the outer sleeve (101), the position of the backflow hole II (108) corresponds to that of the backflow hole I (104), and one end of the backflow hole II (108) is connected with a first backflow pipe (11);
before use, the position of the adjusting groove (85) is changed by rotating the adjusting pipe (81) and the adjusting groove is communicated with the water through groove (95), cold water in a compartment between the middle partition plates (93) enters the adjusting pipe (81) through the water through groove (95) and the adjusting groove (85) to cool hot water, meanwhile, the temperature measuring plate (86) detects the water temperature in the adjusting pipe (81) and displays the temperature on the display screen (52), if the water temperature is still high, the adjusting pipe (81) is continuously rotated to enable the adjusting groove (85) to be communicated with more water through grooves (95), and the water temperature is further reduced until the water temperature reaches a preset value;
when the water temperature presetting device is used, hot water passes through the inner cavity of the adjusting pipe (81) and forms pressure difference on two sides of the one-way valve (94) and is opened, cold water is continuously mixed with the hot water in the adjusting pipe (81) through the middle partition plate (93) and the water through groove (95), the temperature is kept within an allowable error of a preset value all the time, the backflow hole I (104) and the backflow hole II (108) correspond to each other, water in the adjusting pipe (81) flows through the water outlet (82) and enters the inside of the backflow pipe II (103), and flows back to the hot water tank (1) through the backflow hole I (104), the backflow hole II (108) and the backflow pipe I (11), and the water in the adjusting pipe (81) is ensured to be in a flowing state at the preset temperature;
after the use is finished, the knob (105) is rotated and the second backflow pipe (103) is driven to rotate, the backflow hole I (104) and the second backflow pipe (103) do not correspond to each other, the backflow hole II (108) is shielded and prevented from flowing into the first backflow pipe (11) by the shell of the second backflow pipe (103), and meanwhile the water outlet hole I (106) and the water outlet hole II (107) correspond to enable water to flow out and are used by a user.
2. The water temperature presetting device of the electric water heater as claimed in claim 1, characterized in that: the limiting ring (97) is matched with the limiting groove (87).
3. The water temperature presetting device of the electric water heater as claimed in claim 1, characterized in that: the output end of the temperature control valve (84) is in signal connection with the input end of the temperature control valve (84), and the output end of the temperature control valve (84) is in signal connection with the input end of the display screen (52).
4. The water temperature presetting device of the electric water heater as claimed in claim 1, characterized in that: the adjusting pipe (81) is made of a heat insulation plate.
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| CN113218083B (en) * | 2021-04-22 | 2022-04-29 | 浙江尼普顿科技股份有限公司 | Intelligent water heater management system based on neural network learning |
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