CN2239602Y - Microcomputer control device of gas water heater - Google Patents

Abstract

The utility model relates to a microcomputer control device of a gas water heater. The utility model is composed of a microcomputer control device, an air valve assembly, a water valve assembly, a flame sensor, a temperature sensor, a high pressure pulse ignition needle, a power supply transformer, a remote controller, etc. The utility model causes the water outlet temperature of a gas water heater to be optionally set according to the operating requirements. The gas flow quantity is automatically adjusted according to the set temperature and the variation of the water pressure and the air pressure. The utility model solves the defect that the water temperature is not stable, and has a security protection function. The existing gas water heater is additionally provided with the utility model, and then is changed into an intelligent water heater. The utility model has the advantages of automatic constant temperature, safety, complete function, convenient operation and low cost.

Description

The micro-computer controlling apparatus of gas heater

The utility model relates to a kind of control device of gas heater, specifically the micro-computer controlling apparatus of gas heater.

The control of water route, gas circuit and the combustion position of water control type in the market, big flow, fully-automatic household gas instantaneous water heater generally all is made up of Direct Action Type aqueous vapor interlock valve, self-priming magnetic valve, electronic controller, battery case.Its gas circuit control has only the switching function, can't carry out the timely adjustment control of gas flow, thereby can not be according to using needs to carry out the setting and the regulation and control of leaving water temperature, when hydraulic pressure, air pressure fluctuation, leaving water temperature is fluctuation thereupon also, and is sometimes hot and sometimes cold, even the scald accident takes place; Whole system only depends on Direct Action Type aqueous vapor interlock valve and electronic controller to implement control automatically.The major function operation all is arranged on the machine, and shower cabinet can not be controlled.Use with the passing of time, the incrustation scale corrosion causes when opening or closing depotition cock, and combustion gas starting bar, power switch poke rod can not move and put in place or can't reset smoothly, cause water heater not start or to close.Power supply continue to be connected, and air valve continues to open, and forms so-called " the empty burning ", causes superheating heat exchanger, produces the overvoltage steam, even accident such as blast.

The purpose of this utility model is to overcome the defective of above-mentioned water heater water route, gas circuit and control system thereof, and a kind of water route, gas circuit and automatic control thereof the device by microcomputerized control is provided.It can be applicable to existing water heater; the leaving water temperature that makes gas heater is by the instructions for use regulated at will, and gas quantity is regulated automatically by temperature height, hydraulic pressure, air pressure change, and it is stable that leaving water temperature keeps; solve sometimes hot and sometimes cold drawback, and the function that safeguard protection is arranged.

The utility model purpose is to realize like this.It is made up of water inlet pipe, water tank coil pipe, outlet pipe, air inlet pipe, gas distributing rod joint, burner, heat exchanger, high-voltage pulse igniting pin, high-voltage pulse generator, it is characterized in that having water valve assembly, air-valve assembly, microcomputer controller, flame sensor, temperature sensor, overheat protector, power transformer, remote controller.Between the water inlet pipe of gas heater and water tank coil pipe is the water valve assembly; between air inlet pipe and the gas distributing rod joint is air-valve assembly; temperature sensor and overheat protector are loaded between outlet pipe and the heat exchanger, and flame sensor, high-voltage pulse igniting pin are loaded on the burner.Flame sensor, temperature sensor, overheat protector, high-voltage pulse generator, remote controller are connected with microcomputer controller with lead.Power transformer is connected by lead with microcomputer controller.

Its feature also has the water valve assembly to be made up of water intaking valve, magnetic switch, and magnetic switch is loaded in the water intaking valve valve body.Air-valve assembly is made up of self-priming magnetic valve, ratio adjusting magnetic valve, and they are contained in the air valve body.

Fig. 1 is the micro-computer controlling apparatus structural representation of gas heater.

Fig. 2 is the micro-computer controlling apparatus operation principle schematic diagram of gas heater.

The symbol description of figure: the 1st, water inlet pipe, the 2nd, air inlet pipe, the 3rd, water intaking valve; the 4th, magnetic switch, the 5th, self-priming magnetic valve, the 6th, ratio is regulated magnetic valve; the 7th, breather pipe, the 8th, gas distributing rod joint, the 9th, burner; the 10th, the water tank coil pipe; the 11st, heat exchanger, the 12nd, chimney, the 13rd, overheat protector; the 14th, temperature sensor; the 15th, high-voltage pulse igniting pin, the 16th, flame sensor, the 17th, high-voltage pulse generator; the 18th, the controller support; the 19th, microcomputer controller, the 20th, power transformer, the 21st, outlet pipe; 22, the 23rd, remote controller, the 24th, power supply.

Below in conjunction with accompanying drawing the utility model is done detailed explanation.It is regulated magnetic valve 6, breather pipe 7, overheat protector 13, temperature sensor 14, high-voltage pulse igniting pin 15, flame sensor 16, high-voltage pulse generator 17, controller support 18, microcomputer controller 19, power transformer 20, remote controller 22,23, power supply 24 etc. by water intaking valve 3, magnetic switch 4, self-priming magnetic valve 5, ratio and forms.One end of water intaking valve 3 is connected with water inlet pipe 1, and magnetic switch 4 is loaded in the valve body of water intaking valve 3, the unlatching of magnetic switch 4 or close the decision water intaking valve 3 the discharge size.Water tank coil pipe 10 is connected with the other end of water intaking valve 3, and water tank coil pipe 10 is looped around on the heat exchanger 11, and water tank coil pipe 10 is connected with outlet pipe 21 again.Temperature sensor 14, overheat protector 13 are arranged between outlet pipe 21 and heat exchanger 11, and be connected with microcomputer controller 19 by lead.One end of air inlet pipe 2 is connected with source of the gas, and the other end is connected with self-priming magnetic valve 5, and self-priming magnetic valve 5 is regulated magnetic valve 6 with ratio and is connected, and is contained in the air valve body.Ratio is regulated magnetic valve 6 and is connected with gas distributing rod joint 8 by breather pipe 7, and gas distributing rod joint 8 is loaded on the burner 9, and flame sensor 16 is loaded on 9-12 millimeter place, burner 9 top, and the waste gas that produces during the interior fuel gas buring of burner 9 is by chimney 12 discharges.Microcomputer controller 19 is installed in controller support 18; microcomputer controller 19 and high-voltage pulse generator 17, flame sensor 16, magnetic switch 4, self-priming magnetic valve 5, ratio are regulated magnetic valve 6, overheat protector 13 and are connected by lead, and the long transmission line of remote controller 22,23 and microcomputer controller 19 usefulness 5-10 rice is connected.Power supply 24 is defeated by microcomputer controller 19 after power transformer 20 transformations, and high-voltage pulse generator 17, flame sensor 16 are given in power supply.

When using this device, the temperature adjustment knob that at first makes remote controller 22 or 23 starts " ON/OFF " button to setting leaving water temperature; Open the hot water tap then, when discharge reached setting value, magnetic switch 4 was opened.Microcomputer controller 19 operations, whether normal the state that detects water heater according to initialize program or manual command is, just often, microcomputer controller 19 sends the control corresponding instruction, drives the operation of self-priming magnetic valve 5, ratio adjusting magnetic valve 6, high-voltage pulse generator 17, high-voltage pulse igniting pin 15.The information parameter that temperature sensor 14, flame sensor 16, overheat protector 13 are gathered is sent into microcomputer controller 19, and carries out logic and judge or the parameter calculation process, and running status is carried out real-time monitoring and regulating.At this moment by the cold water of water inlet pipe 1 inflow, from outlet pipe 21 outflows is the hot water that meets design temperature.

Generation is flame-out midway when moving, water temperature is overheated, hydraulic pressure is crossed when hanging down, or temperature sensor 14, flame sensor 16, high-voltage pulse generator 17, magnetic switch 4, or circuit produces fault, any one accident or multiple accident, microcomputer controller 19 can instruct self-priming magnetic valve 5, ratio is regulated magnetic valve 6 and is cut off blast tube, and this device is out of service.

Water control type on the market, big flow gas water heater need only this device of increase now Just become a kind of intellectual gas heater. This device has automatic constant-temperature, the two-way remote control, Multiple functional, safe and reliable, easy to operate, lower-cost characteristics.

Claims (3)

1. the micro-computer controlling apparatus of a gas heater; by water inlet pipe (1); water tank coil pipe (10); outlet pipe (21); air inlet pipe (2); gas distributing rod joint (8); burner (9); heat exchanger (11); high-voltage pulse igniting pin (15); high-voltage pulse generator (17) is formed; it is characterized in that water valve assembly in addition; air-valve assembly; microcomputer controller (19); flame sensor (16); temperature sensor (14); overheat protector (13); power transformer (20); remote controller (22); (23); between water inlet pipe (1) and water tank coil pipe (10) is the water valve assembly; between air inlet pipe (2) and the gas distributing rod joint (8) is air-valve assembly; temperature sensor (14); overheat protector (13) is loaded between outlet pipe (21) and the heat exchanger (11); flame sensor (16) temperature sensor (14); overheat protector (13); high-voltage pulse generator (17); remote controller (22); (23) be connected with microcomputer controller (19) with lead; power transformer (20) is connected by lead with microcomputer controller (19); flame sensor (16); high-voltage pulse igniting pin (15) is loaded on the burner (9).

2. device as claimed in claim 1 is characterized in that the water valve assembly is made up of water intaking valve (3), magnetic switch (4), and magnetic switch (4) is loaded in water intaking valve (3) valve body.

3. device as claimed in claim 1 is characterized in that air-valve assembly regulates magnetic valve (6) by self-priming magnetic valve (5), ratio and form, and is contained in the air valve body.

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