Water supply assembly of beverage equipment
Technical Field
The utility model relates to a drink equipment water supply subassembly refers in particular to the technique that is applied to the drink and steeps the bubble field, and it mainly carries out the heat exchange with the mode of heat energy indirect heating, and the production of so reducible incrustation scale maintains normal supply hot water, very an excellent utility model of practicality.
Background
For coffee, the american style and the italian style are the most popular, and for the italian style, see taiwan patent publication No. M347905 "constant temperature brewing mechanism" for example, which mainly includes a pump; a heating device connected with the pump; a heat exchanger arranged in the heating device and connected with the pump, and a feeding pipe is arranged between the heat exchanger and the pump; a brewing unit connected to the heat exchanger; and a temperature adjusting unit arranged between the brewing unit and the feeding pipe, wherein the temperature adjusting unit is provided with a cold water cut-off device, and the cold water cut-off device cuts off cold water by a drainage program before the beverage is brewed for the first time after standby, so that the hot water flowing into the brewing unit completely flows out from the heat exchanger to quickly preheat the brewing unit to the temperature required by brewing.
Although the espresso coffee machine disclosed in the above patent is a common espresso coffee machine in the market, for drinkers, although it can drink mellow coffee, it has some problems and disadvantages for operators, wherein the problem of scale is the most important problem to be solved in the espresso coffee machine, mainly the hot water of the brewing unit is the high-temperature hot water output by the heat exchanger, and the cold water of the temperature regulating unit is mixed with each other, however, the temperature difference of the brewed hot water is caused by the influence of factors such as climate change and time, and the taste of the brewed coffee is unstable due to the temperature difference; another problem is that in the process of heating water by the heating device, hot water or steam is taken due to the brewing relationship, so that water needs to be continuously supplemented in the heating device, scale is accumulated in the heating device after water is supplemented for many times, the accumulation of scale easily affects the heating efficiency, even the scale blocks the inlet of the water pipe or adheres to the surface of the heater to affect the heating judgment of the heater, and finally the whole coffee machine is broken. Therefore, the related art needs to understand how to improve the above-mentioned problems and further maintain the normal operation of the coffee machine.
In view of the problems of the prior art as stated in the above background, the present inventors have invested much time in studying related knowledge, comparing the merits with each other, conducting research and development of related products, and conducting many experiments and tests, and finally have developed a water supply assembly for beverage equipment to improve the above disadvantages, so as to meet the needs of the public.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at, maintain the normal function of drink brewing device and then provide the best temperature and steep the drink, it improves prior art's coffee machine and is carrying out the in-process that operates, can be because must constantly moisturizing in the heating device, lead to inside long-time easy production and the accumulation a large amount of incrustations down of heating device, and too much incrustation scale can cause the jam, adhere to part and the heating device surface that possess induction function, lead to the response of coffee machine, listen insensitive outside, the serious person then influences the operation of whole coffee machine and technical problem such as trouble.
However, in order to achieve the above-mentioned effects and improve the existing disadvantages, the present invention provides a water supply assembly for a beverage appliance, comprising:
the main pot set is internally provided with a main containing chamber, the peripheral side of the main pot set is provided with at least one brewing frame set, the brewing frame set is provided with a water outlet assembly, and a heater is arranged in the main containing chamber and heats the stored water in the main containing chamber;
and the at least one auxiliary pot body is arranged in the main containing chamber, two ends of the at least one auxiliary pot body are respectively connected with a water outlet pipe and a water inlet pipe, one end of the water inlet pipe is communicated with the inside of the auxiliary pot body, the other end of the water inlet pipe is connected with a water supply assembly, one end of the water outlet pipe is communicated with the auxiliary pot body, and the other end of the water outlet pipe penetrates through the main pot group and extends towards the position of the at least one brewing frame group and is connected with the water outlet assembly.
The water supply assembly of the drink equipment comprises a main chamber, a main water supply assembly and a water supply assembly, wherein the main chamber further comprises a cover piece and a pot body, the cover piece is arranged at one end of the pot body, and the main chamber is formed by arranging the cover piece on the pot body; in addition, an upper water level sensor for sensing the water level of the main containing chamber, a lower water level sensor and a temperature control detecting part for sensing the water temperature in the main containing chamber are arranged at the periphery of the pot body, the temperature control detecting part detects the water temperature in the main containing chamber and controls the on-off operation of the heater, the upper water level sensor detects whether the water stored in the main containing chamber is too high, the lower water level sensor detects whether the water stored in the main containing chamber is too low, an overflow pipe is arranged at the periphery of the pot body and is slightly higher than the upper water level sensor, one end of the overflow pipe is communicated with the main containing chamber, the other end of the overflow pipe is communicated with the outside, and when the water level in the main containing chamber is too high, the water stored is discharged through the overflow pipe.
The water supply assembly of the beverage equipment comprises a water inlet pipe, a flow regulating valve, a one-way pressure release valve and a pump, wherein the water inlet pipe is communicated with the flow meter through one end, the flow meter is communicated with the flow regulating valve at the same time, the flow regulating valve is communicated with the one-way pressure release valve, the one-way pressure release valve is communicated with the pump, water produced by the pump enters the auxiliary boiler body, the one-way pressure release valve can be started to release the pressure when the pressure in the auxiliary boiler body is too high, the flow regulating valve regulates the flow of the water produced by the pump entering the auxiliary boiler body, and the flow meter measures the water quantity entering the auxiliary boiler body.
The water supply assembly of the beverage equipment comprises a water inlet pipe, a flow regulating valve, a one-way pressure release valve and a pump, wherein the water inlet pipe is communicated with the flow meter through one end, the flow meter is communicated with the flow regulating valve at the same time, the flow regulating valve is communicated with the one-way pressure release valve, the one-way pressure release valve is communicated with the pump, water produced by the pump enters the auxiliary boiler body, the one-way pressure release valve can be started to release the pressure when the pressure in the auxiliary boiler body is too high, the flow regulating valve regulates the flow of the water produced by the pump entering the auxiliary boiler body, and the flow meter measures the water quantity of the water produced by the pump entering the auxiliary boiler body.
The water supply assembly of the beverage equipment is also provided with an electromagnetic valve which is communicated between the water outlet pipe and the water outlet assembly, and the electromagnetic valve can open and close the communication between the water outlet pipe and the water outlet assembly.
The water supply assembly of the beverage equipment comprises a water inlet, a water outlet and a water outlet, wherein the water outlet assembly further comprises a joint part and a water sprinkling part, the joint part is provided with a water inlet, the bottom surface of the water sprinkling part is uniformly provided with a plurality of sprinkling holes, each sprinkling hole is communicated with the water inlet, and one end of the water outlet pipe is connected with the water inlet and is communicated with each sprinkling hole.
The water supply assembly of the beverage equipment comprises a water inlet, a water outlet, a water inlet pipe, a water outlet pipe and a water supply assembly, wherein the water outlet assembly further comprises a joint part and a water spraying part, the joint part is provided with the water inlet, the bottom surface of the water spraying part is uniformly provided with a plurality of spraying holes, each spraying hole is communicated with the water inlet, one end of the electromagnetic valve is connected with the water inlet, and the water outlet pipe is communicated with each spraying hole.
The water supply assembly of the beverage equipment is characterized in that a preheating pot is further arranged in the main containing chamber, one end of the preheating pot is communicated with the water supply assembly, the other end of the preheating pot is provided with a water guide pipe, the water guide pipe penetrates out of the main pot set and is connected with a steam assembly, the steam assembly is provided with a steam outlet, and the steam outlet is connected with the water outlet assembly.
The water supply component of the beverage equipment comprises a steam pot body, a heating element, a water level detector, a temperature controller and the steam outlet, one end of the water guide pipe is connected with the preheating pot, the other end is connected with the steam pot body, so that the preheating pot is communicated with the steam pot body, in addition, the outer surface of the steam pot body is provided with a safety valve and an exhaust valve, the safety valve can release pressure when the steam pressure in the steam boiler body is abnormal, the exhaust valve can exhaust air in the steam chamber in the first temperature rise process, the heating element is arranged in the steam boiler body and can heat water in the steam boiler body, the water level detector is arranged on the top surface of the steam pot body and one end of the water level detector penetrates into the steam pot body to detect the water level, the temperature controller is arranged on the top surface of the steam pot body and one end of the temperature controller penetrates into the steam pot body to sense the water temperature.
The water supply assembly of the beverage equipment is characterized in that an electromagnetic valve is arranged between the water guide pipe and the steam pot body, and the electromagnetic valve can automatically open and close the communication between the water guide pipe and the steam pot body.
To summarize, the present invention uses the heat exchange principle of indirect heating to perform the heating procedure of the auxiliary boiler, so that the water stored in the main boiler group is fresh and needs to be replenished after being added for the first time, thereby preventing the scale from adhering to the main chamber and affecting the operation of the heater, and after the operation, the water stored in the main chamber will be slightly evaporated and reduced, therefore, in addition to the water replenishment by lifting the cover, the pump and the solenoid valve can be connected to the boiler body of the main boiler group by pipe fittings and communicated with the main chamber, the pump and the solenoid valve are used to replenish water, when the water level of the main chamber leaves the lower water level sensor, the automatic control system starts the pump and the solenoid valve to open for water replenishment, when the water level of the main chamber contacts the lower water level sensor, the automatic control system closes the pump and the solenoid valve to complete the water replenishment procedure, for the user, the maintenance and scale removal times of the main boiler group are greatly reduced, compared with the prior art, the utility model has the advantages that the problem of scale is really and thoroughly solved, and the brewing temperature of the brewing hot water does not need to be adjusted by cold water, and the stable supply of the brewing hot water has obvious advantages.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a partial perspective view of another view angle of the present invention.
Fig. 3 is an exploded perspective view of the present invention.
Fig. 4 is a schematic view of the first embodiment of the present invention showing a state of use with a beverage extraction assembly.
FIG. 5 is a cross-sectional view of the V-V line of FIG. 4.
Fig. 6 is a partially enlarged schematic view of fig. 5.
Fig. 7 is a perspective view illustrating a second embodiment of the present invention.
Fig. 8 is a perspective view of a third embodiment of the present invention.
Fig. 9 is a perspective view illustrating a fourth embodiment of the present invention.
FIG. 10 is a schematic sectional view taken along line X-X of FIG. 9.
Fig. 11 is a partially enlarged schematic view of fig. 10.
Description of reference numerals: a main pot group 1; a main compartment 11; a brewing frame set 12; a cover member 13; a pot body 14; a beverage extraction assembly 20; a water outlet component 2; a joint portion 21; a water inlet 211; a water sprinkling section 22; the sprinkling holes 221; a heater 3; an auxiliary pot body 4; a water outlet pipe 41; a water inlet pipe 42; a water supply assembly 5; a flow meter 51; a flow rate regulating valve 52; a one-way pressure relief valve 53; a pump 54; a water introduction pipe 55; an electromagnetic valve 6; a preheating pot 7; a steam component 8; a steam outlet 81; a steam pan body 82; a vapor chamber 821; a heating member 83; a water level detector 84; an upper water level sensor 841; a lower water level sensor 842; a temperature control detecting element 843; a temperature controller 85; an overflow pipe 851; a relief valve 86; an exhaust valve 87; a solenoid valve 9; a solenoid valve 10.
Detailed Description
In order to clearly illustrate the above objects and functions of the present invention, the embodiments of the present invention will be described in detail with reference to the drawings. Referring to fig. 1 to 6, the present invention provides a water supply assembly for a beverage device, including: a main boiler group 1, which is a non-steam boiler and can be designed in any shape, and a main chamber 11 is arranged in the main boiler group 1, and the main boiler group 1 uses the main chamber 11 as a rectangular parallelepiped as a preferred shape, but not limited to this, any shape can be designed according to the actual requirement but can be changed according to the limitation and requirement of the environment, the main chamber 11 is used to contain water, and at least one brewing frame set 12 is further arranged on the outer periphery of the main pot set 1, the at least one brewing frame set 12 is used in cooperation with a hand-brewing cup or an Italian brewing device or other related beverage extraction components 20 to provide drinks with optimal flavor, and the at least one brewing frame set 12 is provided with a water outlet component 2, and the related beverage extraction component 20 is arranged below the water outlet component 2, the water outlet assembly 2 provides heated hot water for output, and is further provided with a heater 3 in the main chamber 11 for heating the water stored in the main chamber 11; at least one pair of pot bodies 4 is cylindrical, and the at least one pair of pot bodies 4 is installed in the main containing chamber 11, both ends of the at least one pair of pot bodies 4 are respectively connected with a water outlet pipe 41 and a water inlet pipe 42, one end of the water inlet pipe 42 is communicated with the inside of the at least one pair of pot bodies 4, and the other end of the water inlet pipe 42 is connected with a water supply assembly 5, the water supply assembly 5 is arranged outside the main pot group 1, one end of the water outlet pipe 41 is communicated with the at least one pair of pot bodies 4, and the other end of the water outlet pipe 41 penetrates through the main pot group 1 and extends towards the at least one brewing frame group 12 and is connected with the water outlet assembly 2; wherein, the main chamber 11 is filled with water, the auxiliary pot body 4 is filled with water by the water supply assembly 5, the heater 3 is used for heating the water stored in the main chamber 11, the water stored in the auxiliary pot body 4 exchanges heat with the hot water in the main chamber 11, so that the hot water in the auxiliary pot body 4 flows out from the water outlet pipe 41 and is guided to the water outlet assembly 2 of at least one brewing frame set 12 for carrying out the beverage brewing process.
According to the above description, the present invention adopts the heat exchange mode of indirect heating, so that when the machine is started for the first time, drinking water is injected into the main containing chamber 11 of the main boiler group 1, after the drinking water is completed, the water supply assembly 5 is opened to input water and fill the water into the at least one pair of boiler bodies 4, when the water supply assembly 5 inputs normal temperature water from the bottom of the pair of boiler bodies 4 to output hot water from the upper part of the pair of boiler bodies 4 to execute the beverage brewing procedure, the normal temperature water input from the bottom of the pair of boiler bodies 4 exchanges heat with the hot water in the main containing chamber 11 synchronously, and in this mode, when the subsequent brewing is continued, water storage with proper temperature can be supplied continuously; after the actions are completed, the switch can be opened, the heater 3 heats the water in the main boiler group 1, the water stored in the main boiler group 1 is heated and heated, the auxiliary boiler body 4 is subjected to heat exchange, after a proper time, the water stored in the main chamber 11 and the water stored in the auxiliary boiler body 4 are at the same stable temperature, and then the hot water in the auxiliary boiler body 4 can be output to the water outlet assembly 2 to execute the beverage brewing process, and the indirect heating mode has the advantages that the hot water in the main boiler group 1 only carries out heat exchange on the water stored in the auxiliary boiler body 4, after a proper time, the water stored in the main chamber 11 and the water stored in the auxiliary boiler body 4 are at the same stable temperature, the water stored in the main chamber 11 is rarely required to execute a water replenishing program except for natural volatilization, so that scale is not easy to generate and accumulate, and the prior art uses steam and hot water, so as to must moisturizing often, just because often carry out moisturizing just can accumulate a large amount of incrustations, so the utility model discloses a bright moisturizing that needs of interior fresh and small of main pot group 1 just so can not have a large amount of incrustations to produce for this at least a pair pot body 4 is except keeping good heat exchange efficiency, because of relevant spare part need not to carry out the incrustation scale procedure of cleaing away, reduces equipment cleaning and maintenance cost.
In addition, referring to fig. 3, the main pot set 1 of the present invention is preferably rectangular and further includes a lid 13 and a pot body 14, the lid 13 is covered on the upper end of the pot body 14, and the main chamber 11 is formed by covering the lid 13 on the pot body 14; the pot body 14, the cover 13, the auxiliary pot body 4, the water outlet pipe 41 and the water inlet pipe 42 are not limited to be assembled and can be combined in a welding way; referring to fig. 1 to 4 and 7 to 9, an upper water level sensor 841 and a lower water level sensor 842 for sensing the water level of the main accommodating chamber 11 and a temperature control detector 843 for sensing the water temperature in the main accommodating chamber 11 are disposed at the periphery of the pot body 14, and the temperature control detector 843 detects the water temperature in the main accommodating chamber 11 and controls the on/off operation of the heater 3; when the water level in the main chamber 11 is lower than the lower level sensor 842, the pump 54 and the solenoid valve 10 start the water replenishing process, when the water level in the main chamber 11 contacts the lower level sensor 842, the pump 54 and the solenoid valve 10 stop the water replenishing process, when the water level in the main chamber 11 rises due to the fault of the water level control system, and the water level in the main chamber 11 contacts the upper level sensor 841, the related alarm device is activated to remind, in addition, an overflow pipe 851 is arranged at the peripheral side of the boiler body 14 and slightly higher than the upper level sensor 841, one end of the overflow pipe 851 is communicated with the main chamber 11, the other end of the overflow pipe 851 is communicated with the outside, when the water level in the main chamber 11 is too high, the water is discharged through the overflow pipe 851 to avoid overflowing from the boiler body 14 to the table top of the bar, in addition, the main boiler group 1 is provided with a temperature control detecting part 843 for detecting the water temperature in the main chamber 11 to control the heating and on-off operation of the water storage heater 3, thus, the heating temperature of the heater 3 can be set according to different food materials (coffee, tea, roselle or chrysanthemum, etc.), and a proper brewing temperature is formed, for example, the brewing temperature of the food materials is set to 95 +/-2 ℃, when the temperature control detecting element 843 detects that the water temperature in the main chamber 11 is the upper limit value and the lower limit value of the set temperature, the operation of the heater 3 can be started and stopped to execute the heating process, the auxiliary boiler 4 is arranged in the main chamber 11, the water supply assembly 5 is connected with the auxiliary boiler 4 in the main chamber 11 from the outside of the main boiler group 1, the water supply assembly 5 further comprises a flow meter 51, a flow regulating valve 52, a one-way valve 53 and a pump 54, one end of the water inlet pipe 42 is communicated with the flow meter 51, the flow meter 51 is simultaneously communicated with the flow regulating valve 52, the flow regulating valve 52 is further communicated with the one-way valve 53, the one-way pressure release valve 53 is connected to the pump 54, the pump 54 inputs normal temperature water into the auxiliary pot 4 through the above components, the one-way pressure release valve 53 can be started to release pressure when the pressure in the auxiliary pot 4 is too high, the flow control valve 52 adjusts the flow rate of the normal temperature water entering the auxiliary pot 4 from the pump 54, the flow control valve 52 can be replaced by a throttle joint, the flow meter 51 detects the water flow rate of the water produced by the pump 54 entering the auxiliary pot 4, the pump 54 is simply the source of water supply, when the brewing program is executed, an operation key (not shown) is pressed, the pump 54 and the electromagnetic valve 6 are started to operate, the normal temperature water flows into the bottom of the auxiliary pot 4 through the one-way pressure release valve 53 and the flow control valve 52, the flow meter 51 measures, the normal temperature water flows into the bottom of the auxiliary pot 4, the proper temperature hot water at the upper part of the auxiliary pot 4 is output to execute the program, and the normal temperature water input to the bottom of the auxiliary pot 4 synchronously executes heat exchange for standby, after the brewing process is executed, the automatic control system closes the pump 54 and the electromagnetic valve 6 to complete the brewing process (see fig. 5 and 6 for the brewing process).
In addition, in order to make the user have the best water temperature for brewing, an electromagnetic valve 6 is further installed between the water outlet pipe 41 and the water outlet assembly 2 for providing the water outlet and closing options (as shown in fig. 1), and then the water outlet assembly 2 is described with reference to fig. 5 and 6, the present invention further includes a joint part 21 and a water spraying part 22, the joint part 21 is drawn in a T shape as shown in fig. 1, the joint part 21 is provided with a water inlet 211, the bottom surface of the water spraying part 22 is uniformly provided with a plurality of spraying holes 221, each spraying hole 221 is communicated with the water inlet 211, one end of the electromagnetic valve 6 is connected to the water inlet 211 and makes the water outlet pipe 41 communicated with each spraying hole 221 (not shown), or one end of the water outlet pipe 41 is connected to the water inlet 211 and communicates with each spraying hole 221 (fig. 6), so that the water of at least one pair of pot bodies 4 flows from the water outlet pipe 41 to the water outlet assembly 2, after passing through the joint part 21, the hot water is uniformly dropped from the sprinkle holes 221 to the beverage extraction assembly 20 under the water outlet assembly 2 according to the arrangement of the sprinkle holes 221.
In addition, it should be mentioned that, the utility model discloses a can increase and decrease the quantity that vice pot body 4 was held in main appearance room 11 in order to cooperate the used demand of user, and the quantity of each subassembly of this water outlet assembly 2, solenoid valve 6, water supply assembly 5 can also be increased and decreased along with supporting, except that figure 1 sees that single vice pot body 4 cooperates single water outlet assembly 2 to use, also can be as shown in figure 7, set up four groups of vice pot bodies 4 in this main pot group 1 inside, and the frame group 12 that dashes outside the main pot group 1 is equipped with four groups of water outlet assembly 2 and uses; as shown in fig. 8, two sets of auxiliary pots 4 are disposed inside the main pot set 1, and two sets of water outlet assemblies 2 are disposed on the same side of the periphery of the main pot set 1, so as to provide a plurality of sets of beverage extraction assemblies 20 for use, which can be assembled with beverage extraction assemblies 20 (not shown) such as a hand-pouring cup or an Italian brewing device; the utility model can be used by providing the heat exchange principle of indirect heating, and can also be used by matching with related steam accessories, please see fig. 9 to fig. 11, a preheating pot 7 is additionally arranged in the main chamber 11, one end of the preheating pot 7 is communicated with the water supply component 5, the other end is provided with a water guide pipe 55 which penetrates out of the main pot set 1 and is connected with a steam component 8, the steam component 8 is provided with a steam outlet 81, the steam component further comprises a steam pot body 82, a heating component 83, a water level detector 84, a temperature controller 85 and the steam outlet 81, one end of the water guide pipe 55 is connected with the other end of the preheating pot 7 and is connected with the steam pot body 82, so that the preheating pot 7 is communicated with the steam pot body 82, in addition, the steam pot body 82 is further provided with a safety valve 86 and an exhaust valve 87 on the outer surface, the safety valve 86 is decompressed when the steam pressure is out of control to ensure the safe use of the steam pot 82, the exhaust valve 87 exhausts the air in the steam pot 82 when the temperature rises from the normal temperature at each time of starting the steam boiler, the heating element 83 is arranged in the steam pot 82, the heating element 83 heats the water in the steam pot 82, the water level detector 84 is arranged on the top surface of the steam pot 82 and one end of the water level detector penetrates into the steam pot 82 to detect the water level, the temperature controller 85 is arranged on the top surface of the steam pot 82 and one end of the water level detector penetrates into the steam pot 82 to detect the water temperature, the temperature controller 85 can also be replaced by a pressure detector, the water source of the steam component 8 is also provided by the water supply component 5, the water is preheated by the preheating pot 7 and then flows to the steam pot 82 in the steam component 8 through the water guide pipe 55, the water is not filled in the steam pot 82, and a steam chamber 821 is arranged above the water, the heating element 83 in the steam pot 82 operates independently, the temperature is usually set to 120 ℃, the steam pressure is about 1.2bar, the steam outlet 81 can be provided with an electromagnetic valve or a manual steam valve, steam is taken according to actual needs, an electromagnetic valve 9 is arranged between the water guide pipe 55 and the steam pot 82, and the electromagnetic valve 9 automatically opens and closes the communication between the water guide pipe 55 and the steam pot 82.
To summarize, the present invention uses the heat exchange principle of indirect heating to perform the heating process of the auxiliary pot 4, so that the stored water in the main pot set 1 is fresh and needs to be replenished after being added for the first time, thereby preventing the scale from adhering to the main chamber 11 and affecting the operation of the heater 3, and after the operation, the stored water in the main chamber 11 will slightly evaporate, so that in addition to the water replenishing by the way of lifting the cover 13, the pump 54 and the solenoid valve 10 can be connected to the pot body 14 of the main pot set 1 by pipes and communicated with the main chamber 11 (taking fig. 1 as an example), the pump 54 and the solenoid valve 10 are used to replenish water, when the water level of the main chamber 11 leaves the water level sensor 842, the automatic control system starts the pump 54 and the solenoid valve 10 to open and replenish water, when the main chamber 11 contacts the water level sensor 842, the automatic control system closes the pump 54 and the solenoid valve 10 to complete the water replenishing process, to the user, reduce the number of times that main pot group 1 maintained and removed the incrustation scale by a wide margin, in addition the utility model discloses also can let main pot group 1 have different models according to the installation environment, for example can design for oval sphere (not shown) in order to cooperate the bar counter, compare prior art the utility model discloses the problem of incrustation scale has been really and thoroughly improved, again the utility model discloses a dash and steep hot water and need not dash the bubble temperature that adjusts the temperature with cold water, stable supply dashes the advantage that the temperature hot water is showing.