A kind of shower and control method thereof
Technical field
The present invention relates to a kind of shower, especially relate to a kind of temperature control shower device.
Background technology
Existing shower generally comprises cold water inlet, hot water inlet pipe and shower nozzle, people control water temperature by the size of opening the valve on cold water inlet and hot water inlet pipe, but the mode of this control water temperature often needs long time could control to water temperature the water temperature of needs.And, when the flow of hot and cold water is found to change, need again manually to adjust.In order to address the above problem; people have also proposed the technical scheme of some water temp. auto-controls; the Chinese patent that is CN102008263 as publication number discloses a kind of automatic water-feeding constant-temperature shower; comprise mixed water valve body, detect control circuit and shell, wherein said mixed water valve body comprises the first mixed water valve body, the second mixed water valve body, hot water motor-driven valve, cold water motor-driven valve, hydroelectric generator, upper water solenoid valve, top spray water outlet motor-driven valve and gondola water faucet water outlet motor-driven valve; Described detection control circuit comprises CPU, power circuit, signal acquisition circuit, motor-driven valve drive circuit, keying circuit and display driver circuit.The signal that the present invention utilizes temperature sensor, current inductive switch etc. to collect, by the CPU calculation process, send instruction to the motor-driven valve drive circuit, drives the hot water or cold water's mixed proportion in mixed water valve body part, reaches the purpose of automatic constant-temperature.But in the various thermal water sources in daily life, its water temperature generally all can have a greater change, need to carry out instant adjustment.And in this technical scheme, opening sequence and the opening process of hot and cold water are all reasonably optimized, and there will be the problems such as the water yield is less than normal, scald.
Summary of the invention
The present invention solves the water temperature of the existing shower of prior art can not change and immediately adjust according to the water temperature of hot and cold water, and it there will be water yield less than normal, the technical problems such as scald accident easily occur, providing a kind of can accurately adjust water temperature, and the water yield reaches maximization, safe and reliable shower.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of shower, comprise hot water inlet pipe, cold water inlet and shower nozzle, it is characterized in that in described hot water inlet pipe and cold water inlet being respectively equipped with a temperature inductor, the signal circuit of this temperature inductor all is connected with a control module, in described hot water inlet pipe and cold water inlet, also be respectively equipped with a flow controller, the control circuit of this flow controller also is connected with described control module respectively.After set water temperature and cold water open amount, controller can be controlled the flow of hot water according to the temperature of hot and cold water, advance according to actual conditions as the user, and as the maximum amount of water of hot water, the variations in temperature of hot and cold water is adjusted, until water temperature reaches the temperature of setting and stablizes.Therefore, water temperature precise control of the present invention, and the water yield reaches maximization, again because the minable water yield of hot water is adjusted according to the inflow of cold water, not there will be water temperature easily excessive and the problem of scald accident occurs when adjusting.
As preferably, in described shower nozzle, be provided with a temperature inductor, the signal circuit of this temperature inductor is connected with described control module.This temperature inductor can feed back to controller by actual output water temperature, makes controller to finely tune the hot and cold water water yield.
In order to realize the control of technique scheme to water temperature, the present invention also provides the control method of above-mentioned shower, and it comprises the steps:
1, by control module, set cold water open amount and leaving water temperature, and start this shower;
2, control module is according to cold water open amount and the leaving water temperature set, and hot water or cold water's thermometer of obtaining of the temperature inductor in hot and cold water pipe is calculated the hot water open amount and according to the cold water open amount of setting and the hot water open amount that calculates, opened respectively respectively the flow controller of hot and cold water inlet pipe;
3,, in step 2, first according to setting value, open the flow controller of cold water inlet, then open gradually hot water inlet pipe's flow controller, the open amount calculated until reach;
4, after the flow controller of hot and cold water pipe has all been opened, control module obtains actual water temperature according to the temperature inductor in shower nozzle, and compares with the leaving water temperature of setting, and obtains too high, the too low or judgement just in time of leaving water temperature;
If 5 leaving water temperatures are too high, the flow controller of namely controlling the hot water inlet pipe reduces open amount, if leaving water temperature is too low, the flow controller of namely controlling the hot water inlet pipe increases open amount, until reach the leaving water temperature of setting, if but, after hot water inlet pipe's flow controller open amount reaches maximum, water temperature is still too low, controls the cold water inlet flow controller and reduces open amount, until reach the leaving water temperature of setting;
6, water temperature reach stable after, store the open amount of the flow controller of the hot and cold water water inlet pipe at the respective settings temperature, when the next operation person set this temperature and carries out shower, control module was according to the data open cold hot water inlet pipe's of this storage flow controller, then repeating step 3-5.
In the water source that general family is used, cold water is generally running water, its hydraulic pressure, flow velocity and water temperature are all more fixing, and water yield abundance, provide and hot water is generally electric heater, solar water heater etc., its flow, water temperature are not to fix especially, and the water yield is also not necessarily sufficient, so, in the present invention, first sets, and first open the cold water pipe flow controller, the hot-water line flow controller is opened gradually according to the water yield of cold water pipe flow controller.This mode can, according to the hobby of user's water yield, farthest be saved hot water.And, because this shower first goes out cold water, then improving gradually the water yield of hot water, water temperature gradually changes from low to high, makes human body that the process of an adaptation be arranged, and not there will be the problem of burn, is particularly suitable for children and uses.
The problems such as precision due to heat dissipation of pipeline, flow-control, when even hot water reaches the open amount of calculating, also there will be the problem that the water temperature deviation is larger, if leaving water temperature is too high, the flow controller of namely controlling the hot water inlet pipe reduces open amount, if leaving water temperature is too low, the flow controller of namely controlling the hot water inlet pipe increases open amount, until reach the leaving water temperature of setting.Due to the water yield abundance of cold water, generally carry out the adjustment to hot water effluent's amount, be conducive to guarantee out the metastable while of water inventory, the use of effectively saving hot water.If, but after hot water inlet pipe's flow controller open amount reached maximum, water temperature was still too low, controls the cold water inlet flow controller and reduce open amount.
The beneficial effect brought of the present invention is, the water temperature that has solved the existing shower of prior art can not change and immediately adjust according to the water temperature of hot and cold water, and it there will be water yield less than normal, the technical problems such as scald accident easily occur, realized a kind of can accurately the adjustment water temperature, and the water yield reaches maximization, safe and reliable shower and control method thereof.
The accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: as shown in Figure 1, the present invention is a kind of shower, comprise hot water inlet pipe 5, cold water inlet 6 and shower nozzle 7, in described hot water inlet pipe 5 and cold water inlet 6, be respectively equipped with a temperature inductor 2,4,, the signal circuit of this temperature inductor is connected 9 with a control module respectively, in described hot water inlet pipe and cold water inlet, also be respectively equipped with a flow controller 1,3, the control circuit of this flow controller also all is connected with described control module 9.In shower nozzle, be provided with a temperature inductor 8, the signal circuit of this temperature inductor 8 is connected with single 9 yuan of described control.
In order to realize the control of technique scheme to water temperature, the present invention also provides the control method of above-mentioned shower, and it comprises the steps:
1, by control module, set cold water open amount and leaving water temperature, and start this shower;
2, control module is according to cold water open amount and the leaving water temperature set, and hot water or cold water's thermometer of obtaining of the temperature inductor in hot and cold water pipe is calculated the hot water open amount and according to the cold water open amount of setting and the hot water open amount that calculates, opened respectively respectively the flow controller of hot and cold water inlet pipe;
3,, in step 2, first according to setting value, open the flow controller of cold water inlet, then open gradually hot water inlet pipe's flow controller, the open amount calculated until reach;
4, after the flow controller of hot and cold water pipe has all been opened, control module obtains actual water temperature according to the temperature inductor in shower nozzle, and compares with the leaving water temperature of setting, and obtains too high, the too low or judgement just in time of leaving water temperature;
If 5 leaving water temperatures are too high, the flow controller of namely controlling the hot water inlet pipe reduces open amount, if leaving water temperature is too low, the flow controller of namely controlling the hot water inlet pipe increases open amount, until reach the leaving water temperature of setting, if but, after hot water inlet pipe's flow controller open amount reaches maximum, water temperature is still too low, controls the cold water inlet flow controller and reduces open amount, until reach the leaving water temperature of setting;
6, water temperature reach stable after, store the open amount of the flow controller of the hot and cold water water inlet pipe at the respective settings temperature, when the next operation person set this temperature and carries out shower, control module was according to the data open cold hot water inlet pipe's of this storage flow controller, then repeating step 3-5.
In the water source that general family is used, cold water is generally running water, its hydraulic pressure, flow velocity and water temperature are all more fixing, and water yield abundance, provide and hot water is generally electric heater, solar water heater etc., its flow, water temperature are not to fix especially, and the water yield is also not necessarily sufficient, so, in the present invention, first sets, and first open the cold water pipe flow controller, the hot-water line flow controller is opened gradually according to the water yield of cold water pipe flow controller.This mode can, according to the hobby of user's water yield, farthest be saved hot water.And, because this shower first goes out cold water, then improving gradually the water yield of hot water, water temperature gradually changes from low to high, makes human body that the process of an adaptation be arranged, and not there will be the problem of burn, is particularly suitable for children and uses.
The problems such as precision due to heat dissipation of pipeline, flow-control, when even hot water reaches the open amount of calculating, also there will be the problem that the water temperature deviation is larger, if leaving water temperature is too high, the flow controller of namely controlling the hot water inlet pipe reduces open amount, if leaving water temperature is too low, the flow controller of namely controlling the hot water inlet pipe increases open amount, until reach the leaving water temperature of setting.Due to the water yield abundance of cold water, generally carry out the adjustment to hot water effluent's amount, be conducive to guarantee out the metastable while of water inventory, the use of effectively saving hot water.If, but after hot water inlet pipe's flow controller open amount reached maximum, water temperature was still too low, controls the cold water inlet flow controller and reduce open amount.