CN201028846Y

CN201028846Y - Emptied anti-frost solar water heater

Info

Publication number: CN201028846Y
Application number: CNU2007200956275U
Authority: CN
Inventors: 杨树盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-28
Filing date: 2007-03-28
Publication date: 2008-02-27
Anticipated expiration: 2017-03-28

Abstract

The utility model discloses an emptying freezing proof solar energy water heater which comprises a water box(1), a gas returning pipe(2) and a water transmission pipe(3). The utility model is characterized in that the transmission pipe(3) is inserted through the upper part of the water box(1); the water transmission pipe(4) is positioned in the bottom of the water box(1); the upper end of the transmission pipe(3) is connected with a has lead pipe; the lower end of the gas lead pipe(5) is provided with a pressure valve(6); and the transmission pipe(3) is connected with a water volume monitoring meter(7). The utility model adopts the air pressure to control the empty to prevent the freezing and save energy and water resource; moreover the utility model is provided with a water volume monitoring meter to monitor the water volume and prevent the water cut off caused by the over use of water.

Description

A kind of evacuation and anti-freezing solar water heater

Affiliated technical field

The utility model belongs to a kind of solar water heater, is a kind of solar water heater of energy evacuation and anti-freezing particularly.

Background technology

Prior solar water heater evacuation and anti-freezing device is generally all wrapped up in insulation material or is adopted electric heater for adding at present, and the electromagnetic drive type of being exactly emptying is arranged again.The most original method of wrapping up in insulation material that adds is not only taken the merit effort, in case and wrap up and badly pipeline is frozen then be difficult to thawing, influence the normal use of water heater.So occurred to the scheme of water-supply-pipe, but this method has not only significantly improved cost, and has consumed a large amount of electric energy, had potential safety hazard simultaneously with the electric current heating and anti-freezing.The today of advocating energy-conserving and environment-protective energetically this method be very unwise move in fact.Above two kinds of methods are arranged again, have cold water in the pipe, then need bleed off in vain, wasted precious water resource with hot water.Simultaneously can play antifreeze purpose again in order to economize on resources, people have expected the method for emptying pipe, but the control emptying has become a difficult problem, great majority all are to adopt the Electromagnetic Drive emptying, the place installs electromagnetic actuator device additional at the water heater delivery port, and the Push And Release of the joint door of control water pipe and tracheae is realized emptying.But a deadly defect of this method is to want electricity consumption to drive devices such as valve, except that consumed power, its sensitivity, reliability are all very poor, in case motor breaks down or valve because incrustation scale is malfunctioning then whole device is in paralyzed state, whole in addition device is in the roof equal-height position, keeps in repair very inconvenient.Based on above reason, make solar water heater be difficult to obtain promote at northern extremely frigid zones.

Summary of the invention

The purpose of the utility model is to overcome the above-mentioned deficiency of prior art, a kind of effectively solar water heater of evacuation and anti-freezing is provided, and has significantly reduced cold water storage or water not in the pipe, has saved water resource, and result of use is good.

For reaching above-mentioned purpose, the utility model is taked following technical scheme: the utility model includes: water tank, muffler, water-supply-pipe is characterized in that: water-supply-pipe is inserted by the water tank upper opening, and the water delivery mouth of pipe is sagging in water tank bottom; Be communicated with wireway in the water-supply-pipe upper end, the wireway lower end is connected with the pressure valve; On water-supply-pipe, be connected with the water quantity monitoring table.Because water-supply-pipe is inserted by the water tank upper opening, when bringing into use, water in the water tank can be drawn onto in the water-supply-pipe, can take following two schemes: the one, be connected with pressure limiting valve in the water-supply-pipe bottom, make in the water-supply-pipe (indoor section) and can leave one section water column, when using, bleed off this section water column, vacuum appears in water-supply-pipe top, and the water in the water tank is drawn onto in the water-supply-pipe, realizes using continuously; The 2nd, on water-supply-pipe, be circumscribed with air exhauster, the water-supply-pipe bottom is connected with check valve.During use, the pulling air exhauster makes water-supply-pipe vacuum occur, and the water in the water tank is drawn onto in the water-supply-pipe, realizes using continuously.

The utility model is taked technique scheme, has following beneficial effect: the utility model is after finishing using, and valve is pressed in operation, enters air by the water-supply-pipe upper end, realizes emptying.The utility model has adopted air pressure control emptying, and hydraulic pipeline need not any wrappage, and not electricity consumption and electromechanical device had both played antifreeze purpose, saved the energy and water resource again, and simple in structure, and cost is low, installation, safe and reliable, durable in use is keeped in repair very convenient.After having installed water yield monitoring form additional, can monitor in real time simultaneously, avoid occurring cutting off the water midway because of excessive water to the last water yield and water consumption.

Description of drawings

Below in conjunction with drawings and Examples the utility model is elaborated:

Fig. 1 is the utility model embodiment 1 structure diagram.

Fig. 2 is the utility model embodiment 2 structure diagrams.

Mark among the figure: 1-water tank, 2-muffler, 3-water-supply-pipe, the 4-water delivery mouth of pipe, 5-wireway, 6-press valve, 7-water quantity monitoring table, 8-three-way pipe, the last water joint of 9-door, 10-pressure limiting valve, 11-hot water valve, 12-check valve, 13-air exhauster

The specific embodiment

Embodiment 1

By shown in Figure 1, the utility model includes: water tank 1, muffler 2, water-supply-pipe 3, water tank 1 top (also can adopt the top) perforate, connect airtight muffler (or return pipe) 2 and water-supply-pipe 3, at the top of water-supply-pipe 3 horizontal part tap three-way pipe 8, the three-way pipe 8 water tank 1 middle water level 5-10cm that are higher than suitable for reading connect wireway 5 then, and wireway 5 lower ends are installed and pressed valve (normally closed) 6.Be connected to water quantity monitoring table 7 on the water-supply-pipe 3, by three-way pipe 8 one side joint water supply valves 9, opposite side connects pressure limiting valve 10 and hot water valve 11 downwards.Close hot water valve 11 during first the use and press valve 6, open water supply valve 9, cold water flows into water tank 1 through water quantity monitoring table 7, water-supply-pipe 3, can go up the water yield by the control of water quantity monitoring table 7 according to the nominal volume of water tank 1.Close water supply valve 9 after filling with, open hot water valve 11, by pressing down valve 6, make air enter wireway 5, the water under the effect of the deadweight of atmospheric pressure and water in the water-supply-pipe 3 flows into water tank 1 respectively and is flowed out by hot water valve 11, when the water in the water-supply-pipe 3 to the pressure of pressure limiting valve 10 during less than setting, pressure limiting valve 10 cuts out automatically, make and have a spot of water in the water-supply-pipe 3 (what of the water yield can be calculated according to pressure, and by regulating pressure limiting valve 10 controls, generally are controlled at about 1 meter of vertical height).Make water-supply-pipe 3 top emptyings like this, played antifreeze purpose.When needing hot water, open hot water valve 11, manually open pressure limiting valve 10 by force, make the water in the water-supply-pipe 3 dirty, the hot water in atmospheric effect lower header 1 is introduced into water-supply-pipe 3 and is used for the user by hot water valve 11 outflows.Can get back to dormant state by pressing down valve 6 during for a long time without hot water with the water emptying in the water-supply-pipe 3.Simultaneously when last water and water, the impeller of current forward and reverse impact water quantity monitoring table 7 makes impeller occur rotating and reverse, and by gear drive drive pointer, the water yield and water consumption in the demonstration make the user know the water yield that has in the water tank.

Embodiment 2

By shown in Figure 2, the utility model includes: water tank 1, muffler 2, water-supply-pipe 3, water tank 1 top perforate, connect airtight muffler 2 and water-supply-pipe 3, at the top of water-supply-pipe 3 horizontal part tap three-way pipe 8, the three-way pipe 8 water tank 1 middle water level 5-10cm that are higher than suitable for reading connect wireway 5 then, and wireway 5 lower ends are installed and pressed valve 6.Be connected to water quantity monitoring table 7 on the water-supply-pipe 3, by three-way pipe 8 one side joint water supply valves 9, opposite side connects check valve 12 and hot water valve 11 downwards.On water-supply-pipe 3, install air exhauster 13 additional.Open hot water valve 11, push valve 6 is realized the full emptying of water-supply-pipe; Bleed with air exhauster 13 during water, owing to press valve 6 and check valve 12 to close, water-supply-pipe 3 internal gas pressures are reduced, water is drawn from water tank 1, the descending check valve 12 that passes through is discharged, and realizes no cooled water discharge, has saved water resource more.The piston of air exhauster is self-return under the effect of the negative pressure that flowing water produces, or uses spring reset, in order to using next time.

Water quantity monitoring table 7 principle is identical with domestic meter, can or make specially of the domestic meter repacking.Pressure limiting valve 10 adopts adjustable pressure to open automatically and opens dual-purpose type by force.

Formula in addition as required can be integrated into one water quantity monitoring table 7, three-way pipe 8, pressure limiting valve 10, check valve 12, pressure valve 6, air exhauster 13, place in the control cabinet, the outside is only left necessary interface and each button and is got final product, and makes whole device not only convenient and practical but also elegant in appearance.

Claims

1. evacuation and anti-freezing solar water heater, include: water tank (1), muffler (2), water-supply-pipe (3) is characterized in that: water-supply-pipe (3) is inserted by water tank (1) upper opening, falls in water tank (1) bottom under the water delivery mouth of pipe (4); Be communicated with wireway (5) in water-supply-pipe (3) upper end, wireway (5) lower end is connected with presses valve (6).

2. a kind of evacuation and anti-freezing solar water heater according to claim 1 is characterized in that: be connected with water quantity monitoring table (7) on water-supply-pipe (3).

3. a kind of evacuation and anti-freezing solar water heater according to claim 1 is characterized in that: be connected with pressure limiting valve (10) in water-supply-pipe (3) bottom,

4. a kind of evacuation and anti-freezing solar water heater according to claim 1 is characterized in that: be circumscribed with air exhauster (13) on water-supply-pipe (3), water-supply-pipe (3) bottom is connected with check valve (12).