A kind of water heater hot and cold water ratio adjusting valve
Technical field
The utility model relates to a kind of modulating valve, particularly a kind of water heater hot and cold water ratio adjusting valve.
Background technique
The mode that existing water heater is regulated the temperature of water generally all is the size by current metered valve control valve water flow of pipe, thereby as required the water yield of output is controlled, and then water temperature in the control water heater.Yet control current metered valve traditional approach all is the flow of controlling water manually, and complex operation is difficult to accurately regulate required temperature.At above-mentioned, existing China Patent No. is 201010180377.1, name is called a kind of water flow detection control valve, its speed that impeller is rotated by current process impeller, detect the size of water flow, simultaneously by the be in transmission connection structure control water flow of motor of rotary spool, thus convenient intelligent control and the temperature of regulating water outlet of realizing.But, the water flow detection control valve of this structure, complex structure, and also it depends merely on the size that control pipeline cold water enters flow, is difficult to accurate regulating and controlling coolant-temperature gage, is difficult to reach the required constant-temperature effluent of user.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and the water heater hot and cold water ratio adjusting valve that a kind of using effect is good, reach the automatic constant-temperature water outlet can be according to the required intelligent control water flow of reality the time is provided.
Goal of the invention of the present utility model is achieved in that a kind of water heater hot and cold water ratio adjusting valve, wherein, it comprises the three way valve that is provided with cold water inlet, water inlet of hot water and thermostatted water water outlet, described three way valve inner chamber is provided with the intelligent control chipware for the constant temperature current, the spool folding of intelligent control chipware control three way valve inner chamber, described spool end is connected with driving gear by valve rod, and driving gear is connected with motor; The cold water inlet of described three way valve is connected with cold water pipe, and the water inlet port of cold water pipe is provided with the current detection device for detection of water flow, and the current detection device is connected with the intelligent control chipware; The water inlet of hot water of described three way valve is connected with the heating equipment of water heater; The thermostatted water water outlet of described three way valve is provided with the temperature-detecting device for detection of the flowing water temperature, and temperature-detecting device is connected with the intelligent control chipware.
Be optimized according to above-mentioned, described three way valve is provided with the fixed base with the adaptive installation of spool, and fixed base is provided with the link press span for fixed electrical machinery, and link press span is installed on the three way valve by fixed base.
Be optimized according to above-mentioned, described link press span is provided with the limit switch that limits the spool rotational position, and limit switch is connected with the intelligent control chipware.
Be optimized according to above-mentioned, described link press span is by the adaptive motor that is equipped with of fixed block, and the output shaft of motor is provided with small gear, the adaptive engagement of small gear and driving gear.
Be optimized according to above-mentioned, the central part of described driving gear is adaptive to be set on the end of spool, closely is connected by intermeshing internal tooth between the central part of driving gear and the spool.
Be optimized according to above-mentioned, described driving gear is elevating arc, and elevating arc is connected with small gear is adaptive.
Be optimized according to above-mentioned, described cold water pipe is the T shape cold water pipe that cold water inlet, cold water first outlet and cold water second outlet are arranged, on the cold water water inlet outer wall of T shape cold water pipe the current detection device is arranged, cold water first outlet of T shape cold water pipe is connected with heating equipment, and cold water second outlet of T shape cold water pipe is connected with the cold water inlet of three way valve.
Be optimized according to above-mentioned, the cold water inlet of described cold water pipe is provided with flow control switch, and the current detection device is installed on the flow control switch.
Of the present utility model have new beneficial effect really to be: by the current detection device that is equipped with in cold water pipe, can effectively detect the size that enters cold water water flow, detect effect carefully, the respective outer side edges of control principle, intelligent control chipware and the temperature-detecting device by three way valve simultaneously, effectively control the ratio of hot water and cold water mix flow, easy to operate, and reach hot water constant temperature, it is good to improve using effect.
Description of drawings
Fig. 1 is the utility model embodiment's structural representation.
Fig. 2 is the utility model embodiment's decomposing schematic representation.
Fig. 3 is the utility model embodiment's motor and the drive connection schematic representation of spool.
Fig. 4 is the motor of another angle of the utility model embodiment and the drive connection schematic representation of spool.
Fig. 5 controls graph of a relation for the utility model embodiment.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
Extremely shown in Figure 5 according to Fig. 1, water heater hot and cold water ratio adjusting valve described in the utility model, it comprises the three way valve 1 that is provided with cold water inlet 11, water inlet of hot water 13 and thermostatted water water outlet 12.This three way valve 1 inner chamber is provided with the intelligent control chipware 2 for the constant temperature current, spool 3 foldings of intelligent control chipware 2 control three way valvies 1 inner chamber.Spool 3 ends of described three way valve 1 are connected with driving gear 4 by valve rod, and driving gear 4 is connected with motor 5.Wherein, the cold water inlet 11 of described three way valve 1 is connected with cold water pipe 6, the water inlet port of cold water pipe 6 is provided with the current detection device 7 for detection of water flow, current detection device 7 is connected with intelligent control chipware 2, and be provided with flow control switch 16 in the cold water inlet 61 of described cold water pipe 6, current detection device 7 is installed on the flow control switch 16.According to practical application, cold water pipe 6 exports 63 T shape cold water pipe 6 for cold water inlet 61, cold water first outlet 62 are arranged with cold water second, on the cold water water inlet outer wall of T shape cold water pipe 6 current detection device 7 is arranged, cold water first outlet 62 of T shape cold water pipe 6 is connected with heating equipment, and the cold water second of T shape cold water pipe 6 exports 63 and is connected with the cold water inlet 11 of three way valve 1.And the water inlet of hot water 13 of described three way valve 1 is connected with the heating equipment of water heater, and the thermostatted water water outlet 12 of three way valve 1 is provided with the temperature-detecting device 8 for detection of the flowing water temperature, and temperature-detecting device 8 is connected with intelligent control chipware 2.
Namely, during the water heater operation, the current detection device 7 that is installed on the feed-water end of cold water pipe 6 detects the size that enters the water flow in the cold water pipe 6 in real time, current detection device 7 will detect data accordingly and give intelligent control chipware 2 by signal feed back then, intelligent control chipware 2 is according to circumstances controlled flow control switch 16, thereby the water flow that enters heating equipment of control water flow can heat heating equipment effectively rapidly to water.Thermostatted water water outlet 12 when heating later hot water through three way valve 1 from three way valve 1 flows out.At this moment, the temperature-detecting device 8 that is installed in the thermostatted water water outlet 12 can detect water temperature in real time, gives intelligent control chipware 2 with the data of corresponding detection by signal feed back.When the water temperature of intelligent control chipware 2 detections exceeds the rated temperature of setting, the motor 5 that the spool 3 of intelligent control chipware 2 control three way valvies 1 is in transmission connection, motor 5 is by the size of driving gear 4 control spools 3 foldings, thereby control cold water enters the ratio of mixing with the hot water of three way valve 1 inner chamber in three way valve 1 inner chamber by cold water inlet 11, realizes constant-temperature effluent; When if the temperature that temperature-detecting device 8 detects the hot water of thermostatted water water outlet 12 is lower than the rated temperature of setting, temperature-detecting device 8 is given intelligent control chipware 2 with the data of corresponding detection by signal feed back, intelligent control chipware 2 rotates by the spool 3 of signal control motor 5 control three way valvies 1, thereby control cold water enters the flow proportional of three way valve 1 inner chamber, and then the temperature that makes the hot water of thermostatted water water outlet 12 reaches the rated temperature of setting, simple in structure, the convenient intelligent control that realizes, the temperature that reaches water outlet is temperature constant state, using effect is good, as shown in Figure 5.
Preferred implementation of the present utility model, with reference to Fig. 1, shown in Figure 2, described three way valve 1 is provided with the fixed base 9 with spool 3 adaptive installations, and fixed base 9 is provided with the link press span 10 for fixed electrical machinery 5, and link press span 10 is installed on the three way valve 1 by fixed base 9.This link press span 10 is by the adaptive motor 5 that is equipped with of fixed block, and the output shaft of motor 5 is provided with small gear 15, small gear 15 and driving gear 4 adaptive engagements.And the central part of described driving gear 4 is adaptive to be set on the end of spool 3, closely is connected by intermeshing internal tooth between the central part of driving gear 4 and the spool 3.In addition, preferred driving gear 4 of the present utility model is the bigger elevating arc of standard pitch circle, the elevating arc that standard pitch circle is bigger and small gear 15 engagements, make small gear 15 be transferred to the bigger elevating arc of standard pitch circle, thereby pass on the spool 3 of three way valve 1, become the rotation of spool 3, further the amplitude of precision control motor 5 control spools 3 rotations improves control accuracy.And, in preferred version, described link press span 10 is provided with the limit switch 14 that limits spool 3 rotational position, and limit switch 14 is connected with intelligent control chipware 2, when elevating arc turns to limit switch 14, and depress limit switch 14, and making limit switch 14 closures, limit switch 14 sends signal to intelligent control chipware 2, according to this signal, can control motor 5 revolutions, improve and use intellectuality, reach desirable using effect.
Also have, but in the utility model optimized project, this intelligent control chipware 2 is connected with the display unit that water heater is provided with, the quick demonstration of efficient real time makes the user according to its actual required flexible use to using the user.
Above-mentioned specific embodiment only is the utility model effect embodiment preferably, and all or water heater hot and cold water ratio adjusting valves of being equal to identical with this structure are all in the application's protection domain.