CN2380872Y

CN2380872Y - Solar water-heater with small water-storage quantity auxiliary electric-heater

Info

Publication number: CN2380872Y
Application number: CN99228265U
Authority: CN
Inventors: 黄永立
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-05-06
Filing date: 1999-05-06
Publication date: 2000-05-31
Anticipated expiration: 2009-05-06

Abstract

The utility model relates to a solar water heater which is provided with an auxiliary electric heater with small water storage quantity. The utility model is mainly characterized in that the auxiliary electric heater with the small water storage quantity is connected in series on a pipeline between a water tank and an electromagnetic non-return water filling valve arranged in a water inlet and water outlet pipeline, and a control circuit using a single chip computer as a core is provided to control the electromagnetic non-return water filling valve and the auxiliary electric heater with the small water storage quantity. Temperature and temperature measuring time in the water tank can be arranged under the function of a presetting program, the problem of combining water storing type heating and instant water passing type heating when the utility model has no sunlight is solved, and people's requirement of using the solar water heater for bathing under all-weather conditions is satisfied.

Description

Solar water heater with little moisture storage capacity electrical auxiliary heater

The utility model relates to a kind of solar water heater, relates in particular to a kind of solar water heater with little moisture storage capacity electrical auxiliary heater.

The solar water heater that has electrical auxiliary heater in the market has two classes, one class is to patch an electrical auxiliary heater as patching thermal-collecting tube on solar water heater water tank, water in the heating water tank as required, if heating is the water in the large water tank undoubtedly, the one, it is big that the power of electrical auxiliary heater is wanted, and the 2nd, the time of heating will be grown; Another kind of is on the pipeline between water tank and the water inlet pipe check-valves, in the outlet conduit that threeway connects, electrical auxiliary heater is set, be equivalent in the radiator drain road, be connected in series an electric heater, its objective is the water in the water tank is further heated through electric heater that the deficiency of this structure is that the capacity of electric heater is big, power is also corresponding big, otherwise do not satisfy the demand of bathing, and wiring is complicated, and circuit is long, and is dangerous big.

The purpose of this utility model is the deficiency at above-mentioned existence, provides a kind of and can satisfy the bathing requirement big capacity hot water is arranged, the simple a kind of solar water heater with little moisture storage capacity electrical auxiliary heater of the wiring that electrical auxiliary heater power is little, capacity is also less.

The purpose of this utility model realizes through following technical scheme: a kind of solar water heater with little moisture storage capacity electrical auxiliary heater, comprise thermal-collecting tube, solar panel, water tank, the fixing support of water tank and solar panel, stretch into the overflow pipe in the water tank, be connected in series little moisture storage capacity electrical auxiliary heater on the pipeline between the electromagnetism check water supply valve that it is characterized in that being provided with in water tank and the inlet and outlet pipe lines, little moisture storage capacity electrical auxiliary heater and electromagnetism check water supply valve are by the control of the control circuit in the controller that is provided with, control circuit is by analog switch (4066), cathode follower, dual operational amplifier (integrated package 358), single-chip microcomputer (89C51) and the level electrode that evenly is provided with at interval and thermometric electrode constitute, level electrode and thermometric electrode connect an end of analog switch through holding wire, the common port of each resistance of the other end of analog switch is connected to behind the cathode follower and an end of the temperature-sensitive element that is connected with the thermometric electrode connects the input of dual operational amplifier separately respectively, and the output of dual operational amplifier separately is connected with the interrupt source port of single-chip microcomputer; Level electrode and thermometric electrode are fixed on the overflow pipe through insulation; Display screen, the water level that each port of single-chip microcomputer connects indicated, added hot key, timing key, timing key, temperature key, time-division key, adjusts button, modification button and thermometric switch arrangement on the panel of controller, and little moisture storage capacity electrical auxiliary heater is controlled through the relay that the single-chip microcomputer output port is connected with electromagnetism check water supply valve.

The little moisture storage capacity electrical auxiliary heater that the utility model will be provided with is connected with water tank, under the default programme-control effect of controller, make water tank progressively intake, progressively heat through water level, water temperature electrode, the water that makes per unit is through twice heating, storage-type heating and moment crossed ability of swimming heat and combine.If any the solar time, the water in water tank reaches 50 ℃, and the thermometric electrode is transferred to controller with information, and opens the non-return water supply valve of electromagnetism, and cold water enters water tank through little moisture storage capacity electrical auxiliary heater, and little moisture storage capacity electrical auxiliary heater does not start; The no solar time, set thermometric sometime, heat with little moisture storage capacity electrical auxiliary heater water storage heating function, when water temperature reached 60 ℃, controller was opened the non-return water supply valve of electromagnetism automatically, will send into water tank through the water of heating with the hydraulic pressure and the lamina flow principle of running water; A large amount of hot water have been stored in the rear water box for several times, pipeline has thermal loss during water outlet, the water heating function of crossing of little moisture storage capacity electrical auxiliary heater rises water temperature, the utility model can satisfy the needs in the more area of rainy weather, can satisfy sunlight cold district needs on the low side again, be a kind of round-the-clock property solar water heater, controller places indoor, only needs two holding wires external.

Accompanying drawing 1 is water tank in the utility model, controller and little moisture storage capacity electrical auxiliary heater structural representation;

Accompanying drawing 2 is the utility model control circuit embodiment circuit diagram;

In the accompanying drawing: the 1st, water tank, the 2nd, level electrode, the 3rd, little moisture storage capacity electrical auxiliary heater, the 4th, controller, the 5th, electromagnetism check water supply valve, the 6th, overflow pipe, the 7th, inlet and outlet pipe lines, the 8th, display screen, the 9th, water level indication, the 10th, each options button, the 11st is adjusted button, the 12nd, revises button, the 13rd, the thermometric electrode, single-chip microcomputer IC1 (89C51), dual operational amplifier IC2, IC3 (358), analog switch IC4 (4066), relay J 1, J2, triode VG, temperature-sensitive element RG, thermometric switch T1～T3, single-chip microcomputer each port Poo～Pnn, INT0, INT1.

Further specify the utility model in conjunction with the accompanying drawings and embodiments, the utility model is by thermal-collecting tube, solar panel, water tank 1, the fixing support of water tank 1 and solar panel, stretch into the overflow pipe 6 in the water tank 1, little moisture storage capacity electrical auxiliary heater 3 and controller 4 constitute, little moisture storage capacity electrical auxiliary heater 3 is serially connected in the inlet and outlet pipe lines 7 between the electromagnetism check water supply valve 5 and water tank 1, single-chip microcomputer IC1 (89C51) the 26th pin in the control circuit of electromagnetism check water supply valve 5 and little moisture storage capacity electrical auxiliary heater 3 via controllers 4, the relay J 1 that 27 pin connect respectively, J2 control, control circuit is by single-chip microcomputer IC1 (89C51), dual operational amplifier IC2, the cathode follower that IC3 (358) triode VG and resistance constitute, two four analog switch IC4 (4046), the level electrode 2 and the thermometric electrode 13 that are disposed in an evenly spaced relation on the overflow pipe 6 through insulation constitute, level electrode 2 and thermometric electrode 13 connect the end of analog switch IC4 through holding wire, connect the base stage of triode VG in the public termination cathode follower of resistance of corresponding each level electrode of the analog switch other end, signal is through the emitter stage output of triode, and be connected to the input of dual operational amplifier ic chip 2 (358), thermometric electrode 13 is connected to the input of dual operational amplifier ic chip 3 (358) simultaneously through the other end of temperature-sensitive element RG, IC2, the output of IC3 connects the INT1 pin of single-chip microcomputer IC1 (89C51) respectively, the T0 pin, P00 to P06 pin and the P07 of single-chip microcomputer IC1 (89C51), the P16 pin is connected to display screen 8, when the P10 pin is connected to the P15 pin, divide, temperature, timing, regularly, heat each options button 10, P20 pin to P24 pin is connected to water level indication 9, the INT0 pin, the P25 pin is connected to the adjustment button respectively, revise button, P36 pin to P38 pin is connected to thermometric switch T1～T3, the utility model can pass through pre-set programs, water temperature and thermometric time in the artificial setting water tank, after connecting power supply, under the good situation of sunlight, when the water in the water tank 1 is in low water level, water is heated to design temperature as 50 ℃, this moment, thermometric electrode 13 was transferred to single-chip microcomputer IC1 with signal, open the non-return water supply valve 5 of electromagnetism, cold water enters in the water tank 1 through little moisture storage capacity electrical auxiliary heater 3, and making full use of solar energy, segmentation is heated, water inlet; When no sunlight or sunlight deficiency, the thermometric of setting sometime, when the water temperature in the water tank 1 is lower than design temperature as 50 ℃, start little moisture storage capacity electrical auxiliary heater 3 heating, water temperature is when reaching 60 ℃, and control circuit is opened the non-return water supply valve 5 of electromagnetism, will deliver in the water tank 1 through the water of heating under the effect of hydraulic pressure, in the rear water box 1 enough hot water has been arranged for several times, satisfied the needs of people's bathings.

Claims

1, a kind of solar water heater with little moisture storage capacity electrical auxiliary heater, comprise thermal-collecting tube, solar panel, water tank, the fixing support of water tank and solar panel, stretch into the overflow pipe in the water tank, be connected in series little moisture storage capacity electrical auxiliary heater on the pipeline between the electromagnetism check water supply valve that it is characterized in that being provided with in water tank and the inlet and outlet pipe lines, little moisture storage capacity electrical auxiliary heater and electromagnetism check water supply valve are by the control of the control circuit in the controller that is provided with, control circuit is by analog switch (4066), cathode follower, dual operational amplifier (integrated package 358), single-chip microcomputer (89C51) and the level electrode that evenly is provided with at interval and thermometric electrode constitute, level electrode and thermometric electrode connect an end of analog switch through holding wire, the common port of each resistance of the other end of analog switch is connected to behind the cathode follower and an end of the temperature-sensitive element that is connected with the thermometric electrode connects the input of dual operational amplifier separately respectively, and the output of each dual operational amplifier is connected with the interrupt source port of single-chip microcomputer.

2, the solar water heater with little moisture storage capacity electrical auxiliary heater according to claim 1 is characterized in that level electrode and measurement electrode are fixed on the overflow pipe through insulation.

3, the solar water heater with little moisture storage capacity electrical auxiliary heater according to claim 1 is characterized in that display screen, the water level of each port connection of single-chip microcomputer indicated, added hot key, timing key, timing key, temperature key, time-division key, adjusts button, modification button and thermometric switch arrangement on the panel of controller.

4, the solar water heater with little moisture storage capacity electrical auxiliary heater according to claim 1 is characterized in that the relay control that little moisture storage capacity electrical auxiliary heater and electromagnetism check water supply valve are connected through the single-chip microcomputer output port.