CN202734313U

CN202734313U - Solar water heater pipe emptying, antifreezing and inflowing automatic control device

Info

Publication number: CN202734313U
Application number: CN 201220039386
Authority: CN
Inventors: 唐德龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-08
Filing date: 2012-02-08
Publication date: 2013-02-13
Anticipated expiration: 2022-02-08

Abstract

The utility model discloses a simple and efficient solar water heater pipe emptying, antifreezing and inflowing automatic control device. The solar water heater pipe emptying, antifreezing and inflowing automatic control device is mainly used for pipe emptying, antifreezing and inflowing automatic control of the solar water heater. The solar water heater pipe emptying, antifreezing and inflowing automatic control device comprises an electric ball valve 2 which is arranged below a storage water tank 1 and between the upper water pipe and the lower water pipe 5, an emptying and air inflow device, a floater conversion switch 4 which is arranged on an air vent of the storage water tank or a spillway hole, a water feeding valve 6, a water drain valve 7 and the like. The solar water heater pipe emptying, antifreezing and inflowing automatic control device has the advantages of being simple in structure, reliable in performance, convenient to install and repair, needless of changing the prior design of the water heater, low in cost and solving two problems of antifreezing and inflowing control at the same time. The solar water heater pipe emptying, antifreezing and inflowing automatic control device is capable of producing a new solar water heater, transforming an old solar water heater, making great breakthrough in the field of solar water heater antifreezing and being of high popularization value.

Description

Solar energy water heater pipe evacuation and anti-freezing and upper water automaton

Technical field

The utility model relates to a kind of pipeline automatic-discharging inlet duct and upper water automaton, is a kind of for the antifreeze and upper water automaton of the tube emptying on the solar water heater specifically.

Background technology

Solar water heater is because the advantages such as energy-conserving and environment-protective, safe ready are subjected to liking of vast town and country people deeply.But also there is two large problems simultaneously: the one, cold district frozen block in winter problem has limited its extensive popularization; The 2nd, upper water problems in case forget and in time close water supply valve, will cause Qi Laishui to waste in a large number.For many years, people are trying every possible means to address these problems always, but effect is all unsatisfactory.Antifreeze aspect: evacuation and anti-freezing more effectively, various anti-freezing emptying valve complex structures are produced, installation, maintenance difficulty relatively all, should not promote; Hydrocone type is emptying will to be gone up first cold water and bleeds off cold water again and cause waste before water.Upper water management aspect: present automatic loading water system is the independently system of overlapping, and upper and lower conduit has separately not only improved cost, can't realize constant temperature water supply.The more important thing is also do not have at present a sets of plan can solve simultaneously above two problems.

Summary of the invention

The purpose of this utility model is to solve simultaneously the antifreeze and upper water management two large problems of solar water heater by a kind of simple design.

For achieving the above object, the utility model is taked following technical scheme: the place that connects upper and lower conduit below storage tank increases an electrical ball valve and an external fiber tube joint, make a call to a Taper Pipe internal thread hole in the middle part of pipe joint, again with two copper pipe joints be connected copper tube and connect an air inlet Matheson and Dresser joint, form an auto-admission device.At storage tank passage or spillway hole place a float change-over switch is installed, by a controller that is formed by low-voltage dc power supply and change-over switch, is connected float change-over switch and electrical ball valve by two core RVVs indoor.Open electrical ball valve and hot water valve and can use hot water; Opening water supply valve and electrical ball valve can be to water on the storage tank; When water tank waterborne full, the float change-over switch can the automatic transfer circuit be closed electrical ball valve and is stopped upper water; When needs are emptying, close water supply valve and electrical ball valve, open discharging valve or hot water valve, auto-admission device meeting auto-admission is emptying.

Here select electrical ball valve to have the following advantages: can two-way stop, can bear the pressure of water in running water or the water tank; Simple in structure, dependable performance, current be smooth and easy, be difficult for generating incrustation scale; Energy saving only has electric current, At All Other Times not power consumption within several seconds that open and close.Electrical ball valve valve body and auto-admission device are copper material, and good heat conductivity near storage tank, is hot water in the storage tank again, so be difficult for frozen block, slightly do the insulation processing and get final product.

Description of drawings

Fig. 1, overall structure schematic diagram of the present utility model.

Fig. 2, auto-admission apparatus structure schematic diagram.

Fig. 3, float change-over switch arrangement schematic diagram.

The specific embodiment

Figure 1 shows that the utility model overall structure schematic diagram, the 1st, storage tank, the 2nd, electrical ball valve, the 3rd, auto-admission device, 4 float change-over switches, the 5th, upper and lower conduit, the 6th, water supply valve, 7 discharging valves.Opening electrical ball valve and hot water valve has hot water out soon, and this moment, electrical ball valve was straight-through, and the auto-admission device is not worked; As not going up water, can close first electrical ball valve after water is complete, this moment, the auto-admission device was subjected to negative pressure automatically to open air inlet, and the water in the water pipe can continue to be finished; As needing upper water, just close hot water valve after water is complete, opening water supply valve can be to water on the storage tank.Note, can not the closing controller power supply during upper water, need not on dutyly, behind storage tank waterborne full, the float of float change-over switch floats the automatic transfer circuit closes electrical ball valve and stops upper water.Because the electrical ball valve shut-in time needs several seconds, storage tank has a small amount of water and overflows, and can be used as the signal of storage tank filling up water by return pipe.Close at last water supply valve, open discharging valve and bleed off pipe internal water accumulation realization evacuation and anti-freezing.Controller only can not powered-down when upper water, and other times can powered-down after opening or closing ball valve.

Figure 2 shows that auto-admission device schematic diagram, 8 is the outer silk of 1/2 Taper Pipe straight joints, and 1/8 an inner cone screw is made a call in the position, intermediate portion; 9,11 is two 1 minute card 6 copper pipe joints; The 10th, φ 6mm copper tube; The 12nd, the air inlet Matheson and Dresser joint processes with the hexagonal copper rod, and top is 1/8 inner cone screw, and bottom outlet is φ 8.6mm, and there is a φ 5mm air admission hole lower end; There are a φ 8mm glass marble or silica-gel sphere 13 in the Inner chamber, and the Inner chamber will guarantee that bead has enough activity spaces, and copper pipe joint 11 lower ends will process some breach, prevents that bead from upwards blocking air intake duct.This device does not have negative pressure or has in the situation of malleation in pipe, bead is blocked air inlet downwards, and water can not flow out; When closing electrical ball valve, when opening discharging valve or hot water valve, produce negative pressure in the pipe, it is emptying that little club upwardly opens the air inlet air inlet automatically.More than used pipe joint, copper pipe joint be standard component, price is very cheap, a whole set of inlet duct is several yuan of costs only, have but solved people and have wanted the tube emptying problem that solves always, and dependable performance, life-span long, basic Maintenance free.

Shown in Figure 3 is float change-over switch arrangement schematic diagram, the 14th, and the storage tank overflow pipe; The 15th, PPR internal thread reducing elbow joint; 16 is sleeve pipes that 6 minutes PPR pipes process, and the endoporus boring is to φ 21mm; The 17th, smother the cylindrical float that make at two with the fire-retardant spool of φ 20mm; Two copper sheets 18 are installed in the float upper end; The 19th, wire; 20 is three winding terminals; The 21st, weld or be installed in the plastics terminal plate on the sleeve pipe 16, it has a rectangular opening to pass for two copper sheets 18 in the middle of the position that copper sheet passes, and both sides respectively have an aperture to pass for wire 19.Top two groups of three winding terminals, the other end is made the contact, and two winding terminal polarity are opposite, by two core RVV junction chamber internal controller; Below a winding terminal connect electrical ball valve and two wires 19, wire 19 passes aperture and being welded on respectively on two copper sheets.This device is the special old solar water heater improvement and design that is, the water heater of new production can strengthen storage tank top passage and be used for installing the float change-over switch.Any mode that don't work all will be controlled the height of spillway hole, should guarantee that float can float, and is lower than again the upper open height of sleeve pipe 16.Whole float will be in the top of water storage tank inner container top level, can improve like this sensitivity of switch action, can not change the copper sheet that slowly causes on the float because of cistern water level and might rest on the centre of two groups of contacts and can't operate.When the firm filling up water of storage tank or daytime, water temperature rose, float can float, float can fall very soon after the sun sets, if will use hot water when float floats, controller normal operating meeting is inoperative, first reverse operating, and electrical ball valve is opened rear float and can be fallen very soon, ball valve again can autoshutdown, and this moment just can normal operating.In addition, also to add a rain cover on the switch.

Claims

1. a solar energy water heater pipe evacuation and anti-freezing and upper water automaton, it is characterized in that: combined by drainage anti-freezing device of pipe and upper water automaton, two covering devices share an electrical ball valve (2) and a upper and lower conduit (5), and electrical ball valve (2), upper and lower conduit (5) and auto-admission device (3) form drainage anti-freezing device of pipe; Water automaton on electrical ball valve (2), upper and lower conduit (5) and float change-over switch (4) composition.

2. a kind of solar energy water heater pipe evacuation and anti-freezing as claimed in claim 1 and upper water automaton, it is characterized in that: an auto-admission device (3) is arranged in its drainage anti-freezing device of pipe, this device is by pipe joint (8), copper pipe joint (9,11), copper pipe (10), air inlet Matheson and Dresser joint (12), glass or silica gel bead (13) form, with copper pipe (10) and copper pipe joint (9,11) air inlet Matheson and Dresser joint (12) is connected on pipeline or the pipe joint (8), there are a glass or silica gel bead (13) in air inlet Matheson and Dresser joint (12) Inner chamber, utilize gravity and the overpressure of bead to block air inlet, it is emptying that negative pressure is opened the air inlet air inlet automatically in the utilization pipe.

3. a kind of solar energy water heater pipe evacuation and anti-freezing as claimed in claim 1 and upper water automaton, it is characterized in that: a float change-over switch (4) is arranged in the water automaton thereon, this float change-over switch is by internal thread reducing elbow joint (15), sleeve pipe (16), cylindrical float (17), copper sheet (18), wire (19), binding post (20), terminal plate (21) forms, one cylindrical float (17) is arranged in the sleeve pipe (16), two copper sheets (18) are installed in float (17) upper end, the outer plastics terminal plates (21) of installing of sleeve pipe (16), on three winding terminals (20) are arranged, above the two winding terminal other ends make the contact, the rectangular opening that copper sheet (18) passes on the terminal plate can contact with two groups of contacts respectively, two groups of contact polarity is opposite and connect controller, the upper welding of copper sheet (18) two wires (19), two apertures that wire (19) passes on the terminal plate connect a following winding terminal and connect electrical ball valve, by the automatic transfer that rises and falls to realize circuit of float (17).