Automatic water outlet pressurization and water return linkage integrated intelligent control device of air energy water heaterTechnical Field
The invention relates to the field of air energy water heaters, in particular to an air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device.
Background
The air energy water heater has the advantages of high efficiency, energy conservation, environmental protection, safety and the like, and is widely applied to the market at present. However, the water storage tank of the air energy water heater is communicated with the atmospheric pressure, and the hot water discharged has no pressure, so that the pressurization by the booster pump is needed, but when the pipeline is too long, the hot water is often discharged for a long time, the water temperature is suddenly cooled and suddenly heated, the water pressure is unstable, the water pump and the water replenishing valve are easily burnt due to water shortage, and then a water return pipe is needed to be arranged in the water tank for reheating so as to meet the water demand of a user.
The patent 'air energy water heater instant heating booster' (patent number: CN 200996748) proposes to arrange a water inlet pipe and a water outlet pipe, a circulating booster pump, an upper water flow switch and a lower water flow switch are sequentially arranged on a pipeline between the water inlet pipe and the water outlet pipe, a water return pipe connected with the water inlet pipe of the water heater is arranged between the upper water flow switch and the lower water flow switch, and the upper water flow switch and the lower water flow switch simultaneously control the circulating booster pump. Therefore, the linkage of hot water outlet pressurization control and pipeline water return control becomes a requirement.
Disclosure of Invention
The invention aims to provide an automatic water outlet pressurization and water return linkage integrated intelligent control device for an air energy water heater, which effectively solves the problems of insufficient water outlet pressure, long-time water non-heating, unstable water temperature and the like of the air energy water heater, which are required by users of the existing air energy water heater, of unhooking of pressurization and water return of the air energy water heater.
The invention solves the problems through the following technical scheme:
the air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device comprises an intelligent controller, a water tank temperature probe, a water outlet booster pump, a pressure probe, a water flow switch, a water return temperature probe, a water return electromagnetic valve and the like. Wherein, go out the water booster pump with the water tank delivery port links to each other, rivers switch with it links to each other to go out the water booster pump, the return water solenoid valve with the water tank return water mouth links to each other, pressure probe arranges in on the water tank goes out the water pipe way, return water temperature probe arranges in on the water tank return water pipe way, water tank temperature probe arranges in the water tank. And signal lines of the water tank water temperature probe, the water outlet booster pump, the pressure probe, the water flow switch, the return water temperature probe, the return water electromagnetic valve and the like are connected with the port of the intelligent controller.
The intelligent controller is characterized in that: the intelligent controller comprises a CPU control chip, a switching power supply chip, a timer chip, a relay A, a relay B, a booster pump power port, a water return valve power port, a water tank water temperature probe port, a water return temperature probe port, a switching power supply port, a pressure probe port, a water flow switch port, an RS 485-Ethernet port, a timer port and the like, wherein the switching power supply chip is connected with the switching power supply port, the switching power supply chip provides +5V direct current for the CPU chip, the relay A and the relay B are respectively connected with the booster pump power supply port and the water return valve power port, and the timer chip is connected with the timer port.
The control method of the air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device comprises the following steps: when the intelligent controller detects that the temperature of the water tank is higher than 35 ℃ and the pressure of the water outlet is lower than a set value, the water outlet booster pump is started; or when the intelligent controller detects that a water flow switch signal exists at the water outlet, the water outlet booster pump is started; or when the intelligent controller detects that the set water outlet time is up, the water outlet booster pump is started. When the intelligent controller detects that the water temperature of the water return port of the water tank is 1-2 ℃ lower than a set value, the water return electromagnetic valve is started, but when the intelligent controller detects that the water temperature is not up at the set time, the water return electromagnetic valve is not started even if the water temperature is detected to be lower than the set value. When the intelligent controller does not detect the water outlet water flow signal, the water return electromagnetic valve is not started even if the intelligent controller detects that the water return temperature is lower than a set value.
Preferably, the RS 485-Ethernet port can be connected with a computer for real-time monitoring.
The invention has the beneficial effects that:
(1) the intelligent pressurization and water return electromagnetic valve is precisely linked through the intelligent controller, so that the problems that the water pressure of the outlet water required by a user is insufficient, the water is not hot for a long time and the like are effectively solved; (2) the water outlet temperature is stabilized by simultaneously detecting the water temperature, the water outlet pressure, the water outlet flow signal, the set water outlet time and the like in the water tank and starting the time and the sequence of the water outlet booster pump and the water return electromagnetic valve after logical judgment, and the problem of unstable water temperature is effectively solved; (3) the intelligent controller can be connected with a computer through an RS 485-Ethernet server, real-time monitoring can be achieved, and the intelligent controller is flexible and convenient.
Drawings
FIG. 1 is a schematic diagram of an air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device.
In the figure, 1-an intelligent controller, 2-a water tank, 3-a water tank water temperature probe, 4-a water outlet booster pump, 5-a pressure probe, 6-a water flow switch, 7-a water return temperature probe and 8-a water return electromagnetic valve.
FIG. 2 is a schematic diagram of an intelligent controller
In the figure, 11-CPU control chip, 12-switching power supply chip, 13-timer chip, 14-relay A, 15-relay B, 16-booster pump power supply port, 17-water return valve power supply port, 18-water tank water temperature probe port, 19-water return temperature probe port, 120-switching power supply port, 121-pressure probe port, 122-water flow switch port, 123-RS485 Ethernet port and 124-timer port.
FIG. 3 is an illustration of an air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device
In the figure, 1-an intelligent controller, 2-a water tank, 3-a water tank water temperature probe, 4-a water outlet booster pump, 5-a pressure probe, 6-a water flow switch, 7-a water return temperature probe and 8-a water return electromagnetic valve.
Detailed Description
The present invention will be further described with reference to fig. 1 to 3 and the specific embodiments.
As shown in figure 1, the air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device comprises anintelligent controller 1, a water tank 2, a water tankwater temperature probe 3, a water outlet booster pump 4, apressure probe 5, a water flow switch 6, a water return temperature probe 7, a water return electromagnetic valve 8 and the like. Wherein, go out water booster pump 4 with 2 delivery ports of water tank link to each other, rivers switch 6 with go out water booster pump 4 and link to each other, return water solenoid valve 8 with 2 return water mouths of water tank link to each other,pressure probe 5 is arranged in 2 outlet water pipelines of water tank, return water temperature probe 7 is arranged in 2 return water pipelines of water tank are on the road, watertank temperature probe 3 is arranged in the water tank 2. And signal lines of the water tankwater temperature probe 3, the water outlet booster pump 4, thepressure probe 5, the water flow switch 6, the return water temperature probe 7, the return water electromagnetic valve 8 and the like are connected with the port of theintelligent controller 1.
As shown in fig. 2, theintelligent controller 1 includes aCPU control chip 11, a switchingpower supply chip 12, atimer chip 13, a relay a14, a relay B15, a booster pumppower supply port 16, a water return valvepower supply port 17, a water tank watertemperature probe port 18, a water returntemperature probe port 19, a switchingpower supply port 120, a pressure probe port 121, a water flow switching port 122, an RS 485-to-ethernet port 123, a timer port 124, and the like, the switchingpower supply chip 12 is connected to the switchingpower supply port 120, the switchingpower supply chip 12 supplies +5V dc power to theCPU chip 11, the relay a14 and the relay B15 are connected to the booster pumppower supply port 16 and the water return valvepower supply port 17, respectively, and thetimer chip 13 is connected to the timer port 124.
As shown in fig. 3, the control method of the air energy water heater water outlet automatic pressurization and water return linkage integrated intelligent control device is as follows: when theintelligent controller 1 detects that the temperature of the water tank 2 is higher than 35 ℃ and the pressure of a water outlet is lower than a set value, the water outlet booster pump 4 is started; or when theintelligent controller 1 detects that the water outlet has a signal of the water flow switch 6, the water outlet booster pump 4 is started; or when theintelligent controller 1 detects that the set water outlet time is reached, the water outlet booster pump 4 is started to ensure the requirement of the water pressure head of the user at any time. When theintelligent controller 1 detects that the water temperature of a water return opening of the water tank 2 is lower than a set value by 1-2 ℃, the water return solenoid valve 8 is started, but when theintelligent controller 1 detects that the water temperature is not up at the timing time, the water return solenoid valve 8 is not started even if the water temperature is lower than the set value, and when theintelligent controller 1 does not detect a water outlet water flow signal, the water return solenoid valve 8 is not started even if theintelligent controller 1 detects that the water temperature is lower than the set value, so that the energy-saving operation of a user when the user does not need water is ensured.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.