CN2881431Y

CN2881431Y - Electric heating boiler

Info

Publication number: CN2881431Y
Application number: CN 200620054852
Authority: CN
Inventors: 余伯坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-13
Filing date: 2006-02-13
Publication date: 2007-03-21
Anticipated expiration: 2016-02-13

Abstract

The utility model relates to an electric heating boiler comprising a casing, a heating pipe and a water inlet pipe equipped therein. The water inlet pipe is provided with a water inlet electromagnetic valve and a control circuit connecting and controlling the electromagnetic valve and an electrical heating pipe. The control circuit is provided with a power circuit, a working state display circuit, a water level control circuit for controlling inflow and a temperature-controlled heating circuit for controlling heating. The water level control circuit and the temperature-controlled heating circuit achieve better switch of working states like heating, stopping inflow and preserving temperature when the level and temperature of water in the water tank rise or fall, thereby ensuring boiling state of water no matter it rises or falls to any level. The utility model has advantages of stepping fast heating and producing sanitary drinking water.

Description

A kind of electric water boiler

Technical field

The utility model relates to a kind of electric water boiler.

Background technology

Existing cabinet type electric water boiler, have characteristics capacious, be widely used in commercial office building, the hotel, the hotel, public dining room, multiple public arena is waited until by school, benefiting from house deeply welcomes, weak point: after each a large amount of water inlets, cabinet type electric water boiler is long heat time heating time, perhaps when the user directly uses boiling water, ball float in the storage tank is just followed the decline of water level and is opened inlet valve, cold water is continued to flow into water tank, make cold water, boiling water mixes formation and is commonly called as " water ", at this moment, the drinking water of emitting from electric water boiler is not reach the scalding sanitary standard, and to drink be the healthy shortcoming of hindering the people if bring.

The utility model content

The purpose of this utility model is to solve above-mentioned shortcoming, and the electric water boiler of a kind of health and step-by-step movement Fast Heating is provided.

For achieving the above object: comprise housing, and interior heat-generating pipe and the water inlet pipe installed of housing, water inlet pipe is provided with entering water electromagnetic valve, the control circuit that connects control magnetic valve and electrothermal tube, also be provided with power circuit and duty display circuit on the control circuit, also be provided with the water-level control circuit of control inflow and the temperature control heater circuit of control heating on its described control circuit.

Described water-level control circuit is electrically connected on respectively on high and low water-level control circuit and the excessive low water level protection control circuit by high and low water level probe D, C and excessive low water level protection probe A, the low water level control circuit is by the minus earth line on the arithmetic unit IC2, positive pole on the low-level probe C concatenation operation device IC2, arithmetic unit IC2 output pin is connected in the base stage of triode Q1, triode Q1 control entering water electromagnetic valve J1 adhesive or conducting; The high water level control circuit is by the positive pole on positive 5 volts of input arithmetic unit IC4, high-level probe D concatenation operation device IC4 negative pole, arithmetic unit IC4 output pin one tunnel connects the base stage of triode Q5, triode Q5 control entering water electromagnetic valve J1 adhesive or conducting, another road of arithmetic unit IC5 output pin is connected on the base stage of triode Q6, J2 adhesive of triode Q6 entering water electromagnetic valve or conducting; The excessive low water level protection control circuit is by the minus earth line on the arithmetic unit IC1, the positive pole on the excessive low water level protection probe A concatenation operation device IC2, and arithmetic unit IC2 output pin connects the base stage of triode Q3, by triode Q3 control entering water electromagnetic valve J1 adhesive or conducting.

Described temperature control heater circuit is to be connected respectively on the high-temperature cabinet probe GNDI with ground connection by positive 5 volts, high-temperature cabinet probe GNDI divides two-way to connect, negative pole on one tunnel concatenation operation device IC5, positive pole on positive 5 volts of input arithmetic unit IC5, the output pin of arithmetic unit IC5 connects the base stage of triode Q2, triode control heat-generating pipe RL1 heating makes heat-generating pipe RL1 conversion duty; Negative pole on another road input arithmetic unit IC6, positive pole on positive 5 volts of input arithmetic unit IC6, arithmetic unit IC5 output pin connects the base stage of triode Q4, and KM1 adhesive of triode Q4 control contactor or off-state make contactor KM1 control entering water electromagnetic valve RL3 duty.

Also be provided with the preservation and controlling circuit on the described control circuit, the preservation and controlling circuit is connected respectively on the cryogenic box probe GNDG with ground connection by positive 5 volts, cryogenic box probe GNDG is input to the negative pole on the arithmetic unit IC9, positive pole on positive 5 volts of input arithmetic unit IC9, arithmetic unit IC9 output pin is connected in the base stage of triode Q5, triode Q5 control heat-generating pipe RL1 duty.

Also be provided with the moisturizing circuit on the described control circuit, the moisturizing circuit is 1 control entering water electromagnetic valve J2 adhesive or the disconnection of moisturizing K switch.

Described duty display circuit is that arithmetic unit IC6, IC7 output pin are connected respectively to LED 3, LED4 by on high-temperature cabinet probe GNDI difference two-way input arithmetic unit IC6, the IC7.

The beneficial effects of the utility model: water-level control circuit and temperature control heater circuit are set, for water level and water temperature rising in the better control water tank, when rising down, heat, stop into duty such as water and insulation conversion, guarantee that water rises in housing or under be raised to each water level and reach fluidized state, have the advantage of step-by-step movement Fast Heating and water hygiene.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is control circuit figure of the present utility model.

Fig. 3 is another structural representation of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing and enforcement the utility model is further specified.

As Fig. 1, shown in 2, comprise housing 1, and housing 1 interior heat-generating pipe RL1 and the water inlet pipe 2 installed, 3, water inlet pipe 2,3 are provided with entering water electromagnetic valve J1, J2, connect control magnetic valve J1, the control circuit 4 of J2 and electrothermal tube RL1, also be provided with power circuit 5 and duty display circuit 6 on the control circuit 4, also be provided with the water-level control circuit 7 of control inflow and the temperature control heater circuit 8 of control heating on its described control circuit 4, described water-level control circuit 7 is by height, low-level probe D, C and excessive low water level protection probe A are electrically connected on height respectively, low water level control circuit 9,10 and excessive low water level protection control circuit 11 on, low water level control circuit 10 is by the minus earth line on the arithmetic unit IC2, positive pole on the low-level probe C concatenation operation device IC2, arithmetic unit IC2 output pin is connected in the base stage of triode Q1, triode Q1 control entering water electromagnetic valve J1 adhesive or conducting; High water level control circuit 9 is by the positive pole on positive 5 volts of input arithmetic unit IC4, high-level probe D concatenation operation device IC4 negative pole, arithmetic unit IC4 output pin one tunnel connects the base stage of triode Q5, triode Q5 control entering water electromagnetic valve J1 adhesive or conducting, another road of arithmetic unit IC5 output pin is connected on the base stage of triode Q6, J2 adhesive of triode Q6 entering water electromagnetic valve or conducting; Excessive low water level protection control circuit 11 is by the minus earth line on the arithmetic unit IC1, positive pole on the excessive low water level protection probe A concatenation operation device IC2, arithmetic unit IC2 output pin connects the base stage of triode Q3, by triode Q3 control entering water electromagnetic valve J1 adhesive or conducting, described temperature control heater circuit 8 is to be connected respectively on the high-temperature cabinet probe GNDI with ground connection by positive 5 volts, high-temperature cabinet probe GNDI divides two-way to connect, negative pole on one tunnel concatenation operation device IC5, positive pole on positive 5 volts of input arithmetic unit IC5, the output pin of arithmetic unit IC5 connects the base stage of triode Q2, triode control heat-generating pipe RL1 heating makes heat-generating pipe RL1 conversion duty; Negative pole on another road input arithmetic unit IC6, positive pole on positive 5 volts of input arithmetic unit IC6, arithmetic unit IC5 output pin connects the base stage of triode Q4, KM1 adhesive of triode Q4 control contactor or off-state, make contactor KM1 control entering water electromagnetic valve RL3 duty, also be provided with preservation and controlling circuit 12 on the described control circuit 4, preservation and controlling circuit 12 is connected respectively on the cryogenic box probe GNDG with ground connection by positive 5 volts, cryogenic box probe GNDG is input to the negative pole on the arithmetic unit IC9, positive pole on positive 5 volts of input arithmetic unit IC9, arithmetic unit IC9 output pin is connected in the base stage of triode Q5, triode Q5 control heat-generating pipe RL1 duty, also be provided with moisturizing circuit 13 on the described control circuit 4, moisturizing circuit 13 is 1 control entering water electromagnetic valve J2 adhesive or the disconnections of moisturizing K switch, described duty display circuit 6 is by high-temperature cabinet probe GNDI difference two-way input arithmetic unit IC6, on the IC7, arithmetic unit IC6, the IC7 output pin is connected respectively to LED 3, LED4.

Operation principle: when water does not arrive water level excessive low water level protection probe A position, arithmetic unit IC1 is in starting state, the generating signal is to the base stage of triode Q3, triode Q3 conducting, entering water electromagnetic valve J1 decontrols, water enters from water inlet pipe 2, when water level rises to excessive low water level protection probe A, the positive pole of excessive low water level protection probe A input electrical signal to the arithmetic unit IC1, triode Q3 admittance, make entering water electromagnetic valve J1 adhesive and stop into water, simultaneously, because water inlet makes the water temperature rapid drawdown, make high-temperature cabinet probe GNDI and cryogenic box probe GNDG with arithmetic unit IC5, negative pole conducting ground wire on the IC9, positive 5 volts of input arithmetic unit IC5, positive pole on the IC9, arithmetic unit IC5, IC9 is in opening, triode Q4, Q7 conducting simultaneously, heat-generating pipe RL1 heats water, water temperature rises to more than 93 degree, high-temperature cabinet probe GNDI and cryogenic box probe GNDG are with arithmetic unit IC5, positive 5 volts of the negative pole conducting of IC9, make arithmetic unit IC5, IC9 is in closure state, triode Q2, Q7 ends, heat-generating pipe PL1 stops heating, aspect arithmetic unit IC6 also is subjected to high-temperature cabinet probe GNDI conducting ground wire in addition, make contactor KM1 adhesive, make entering water electromagnetic valve J1 on the low water level control circuit 10 get electric and be in adhesive, water inlet pipe 2 stops into water, when the high-temperature cabinet probe is connected positive 12 volts, contactor KM1 is in opening again, water inlet electricity valve J1 on the low water level controller opens, and water inlet pipe 2 water inlets are when water level arrives low water level probe C, arithmetic unit IC2 place opening, make triode Q1 conducting and entering water electromagnetic valve J1 adhesive, water inlet pipe 2 can not be intake, and high-temperature cabinet probe temperature sensor is lower than below 93 degree, temperature control heater circuit 8 starts, heat-generating pipe PL1 heating; When water level rises to high water level probe D; entering water electromagnetic valve J1 on the high water level control circuit 9; J2 is in complete closure; and the heat-generating pipe PL1 on the startup temperature control heater circuit 8; heating surpasses 93 degree until temperature and stops; this moment is high; low water level control circuit 10; 9 are connected entering water electromagnetic valve J1 with the institute of excessive low water level protection control circuit 11; J2 is in closure and stops into water state; water temperature drops to 93 when spending; temperature control heater circuit 8 is in and stops not heated condition; the cryogenic box probe A is connected ground wire; preservation and controlling circuit 12 is started; by the size of current of arithmetic unit IC9 control triode Q9, thereby make heat-generating pipe PL1 be in the low-temperature heat state, reach heat insulation effect.

When the user does not think to open electric water boiler over second day, slowly add the water process, directly press the K switch 1 on the moisturizing circuit 13, force to add water until till full water, high-temperature cabinet probe GNDI directly heated when detecting low temperature when opening in convenient second day.

As shown in Figure 3, deletion excessive low water level protection probe A is connected on the low-level probe C by the arithmetic unit IC2 of excessive low water level protection control circuit 11.

Claims

1, a kind of electric water boiler, comprise housing, and interior heat-generating pipe and the water inlet pipe installed of housing, water inlet pipe is provided with entering water electromagnetic valve, the control circuit that connects control magnetic valve and electrothermal tube, also be provided with power circuit and duty display circuit on the control circuit, it is characterized in that: also be provided with the water-level control circuit of control inflow and the temperature control heater circuit of control heating on the described control circuit.

2, a kind of electric water boiler according to claim 1, it is characterized in that: described water-level control circuit is electrically connected on respectively on high and low water-level control circuit and the excessive low water level protection control circuit by high and low water level probe D, C and excessive low water level protection probe A, the low water level control circuit is by the minus earth line on the arithmetic unit IC2, positive pole on the low-level probe C concatenation operation device IC2, arithmetic unit IC2 output pin is connected in the base stage of triode Q1, triode Q1 control entering water electromagnetic valve J1 adhesive or conducting; The high water level control circuit is by the positive pole on positive 5 volts of input arithmetic unit IC4, high-level probe D concatenation operation device IC4 negative pole, arithmetic unit IC4 output pin one tunnel connects the base stage of triode Q5, triode Q5 control entering water electromagnetic valve J1 adhesive or conducting, another road of arithmetic unit IC5 output pin is connected on the base stage of triode Q6, J2 adhesive of triode Q6 entering water electromagnetic valve or conducting; The excessive low water level protection control circuit is by the minus earth line on the arithmetic unit IC1, the positive pole on the excessive low water level protection probe A concatenation operation device IC2, and arithmetic unit IC2 output pin connects the base stage of triode Q3, by triode Q3 control entering water electromagnetic valve J1 adhesive or conducting.

3, a kind of electric water boiler according to claim 1, it is characterized in that: described temperature control heater circuit is to be connected respectively on the high-temperature cabinet probe GNDI with ground connection by positive 5 volts, high-temperature cabinet probe GNDI divides two-way to connect, negative pole on one tunnel concatenation operation device IC5, positive pole on positive 5 volts of input arithmetic unit IC5, the output pin of arithmetic unit IC5 connects the base stage of triode Q2, and triode control heat-generating pipe RL1 heating makes heat-generating pipe RL1 conversion duty; Negative pole on another road input computing IC6, positive pole on positive 5 volts of input arithmetic unit IC6, arithmetic unit IC5 output pin connects the base stage of triode Q4, and KM1 adhesive of triode Q4 control contactor or off-state make contactor KM1 control entering water electromagnetic valve RL3 duty.

4, a kind of electric water boiler according to claim 1, it is characterized in that: also be provided with the preservation and controlling circuit on the described control circuit, the preservation and controlling circuit is connected respectively on the cryogenic box probe GNDG with ground connection by positive 5 volts, cryogenic box probe GNDG is input to the negative pole on the arithmetic unit IC9, positive pole on positive 5 volts of input arithmetic unit IC9, arithmetic unit IC9 output pin is connected in the base stage of triode Q5, triode Q5 control heat-generating pipe RL1 duty.

5, a kind of electric water boiler according to claim 1 is characterized in that: also be provided with the moisturizing circuit on the described control circuit, the moisturizing circuit is 1 control entering water electromagnetic valve J2 adhesive or the disconnection of moisturizing K switch.

6, a kind of electric water boiler according to claim 1, it is characterized in that: described duty display circuit is that arithmetic unit IC6, IC7 output pin are connected respectively to LED 3, LED4 by on high-temperature cabinet probe GNDI difference two-way input arithmetic unit IC6, the IC7.