CN2684097Y

CN2684097Y - Pressure bearing type leak-proof solar water heater

Info

Publication number: CN2684097Y
Application number: CNU2004200364194U
Authority: CN
Inventors: 高自书
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-03-23
Filing date: 2004-03-23
Publication date: 2005-03-09
Anticipated expiration: 2014-03-23

Abstract

The utility model discloses a pressure bearing type leak-proof solar water heater, comprising a water tank internal bladder, a heat insulation layer, a water tank with metallic shell, a plurality of vacuum heat collecting tubes, a reflection bracket, and water inlet and outlet pipes communicated with the water tank internal bladder; these components are arranged from the interior to the exterior. The interior of each vacuum heat collecting tube is provided with a metal tube which is communicated with the water tank internal bladder, and the other end of the metal tube is closed; a sealing ring is arranged between each vacuum heat collecting tube and the end part of each metal tube which is adjacent to the end of the water tank internal bladder. A water return pipe is connected between the water inlet and outlet pipes, and the water return pipe provided with a water return valve. The water inlet pipe is provided with a change valve, a cold water pipe and a water inlet valve; the water outlet pipe is provided with a water cut-off valve and a three-way tube whose third end is provided with an air inlet cut-off valve. The utility model has waterproof function and safe use, so the water can be filled into the pressure bearing type leak-proof solar water heater during four seasons; the vacuum heat collecting tubes do not explode and have freezing resistance and long service life, and furthermore, the water can not flows into the vacuum heat collecting tubes. The accident of the water overflow does not happen in the pressure bearing type leak-proof solar water heater in which the water temperature can be adjusted in use; the pressure bearing type leak-proof solar water heater can supply water automatically without the need for waiting, which saves the time and sets the user's heart at rest.

Description

Pressure-bearing type Anti-leakage type solar water heater

Technical field the utility model relates to a kind of solar water heater, a kind of specifically pressure-bearing type Anti-leakage type solar water heater.

The background technology prior solar water heater, vacuum heat collection pipe communicates with inner water tank, in the joint, between vacuum heat collection pipe outer wall and the inner water tank sealing ring is installed.Because sealing ring directly contacts with water, sealing ring is easily aging, and drainage takes place easily.Because vacuum heat collection pipe when take seriously empty set heat pipe and water temperature differ greatly, very easily takes place and bursts in water filling in the vacuum heat collection pipe, the vacuum heat-collecting pipe leak can take place like this to leak, this phenomenon is outstanding especially in the summer of sweltering heat.And the water inlet pipe of most of solar water heaters and outlet pipe are one the tunnel, and promptly water inlet pipe is also as outlet pipe, connect one from water tank again and lead to indoor overflow pipe, represent that when overflow pipe flows out water the water of water tank fills with.This mode needs the people and keeps the marquis, and is careless slightly, and water will flow out from overflow pipe, makes troubles.A kind of automatic loading water solar water heater is arranged, and its structure is the controlling organization that ball float and connecting rod are formed, after use a period of time, will occur that ball float is malfunctioning, connecting rod is out of control, make that upward water management is malfunctioning, cause and emit water, and seal the also not solution of problem of leaking with the vacuum heat-collecting tube leakage.

Utility model content the purpose of this utility model is to provide a kind of pressure-bearing type Anti-leakage type solar water heater.This solar water heater is resolved the problem that sealing is leaked with the vacuum heat-collecting tube leakage.

In order to reach described purpose, the utility model adopts following technical proposals: a kind of pressure-bearing type Anti-leakage type solar water heater, comprise the water tank that from inside to outside is provided with inner water tank, heat-insulation layer, metal shell, many vacuum heat collection pipes, reflection frame and the inlet tube and outlet tube that communicates with inner water tank, it is characterized in that: a metal tube that communicates with inner water tank is housed in the every vacuum heat collection pipe, the sealing of the other end of metal tube, metal tube are bordering between the end of inner water tank and the vacuum heat collection pipe sealing ring are housed.

Adopt technique scheme, metal tube is housed in the vacuum heat collection pipe, metal tube communicates with inner water tank, compared with the prior art, does not have sealing ring between them, and the position that metal tube is connected with inner water tank can not leak; Water flows between metal tube and inner water tank, and vacuum heat collection pipe does not directly contact with current, like this, the vacuum heat collection pipe that the temperature difference causes can not occur and burst, and vacuum heat collection pipe can not leak; Sealing ring is installed between metal tube and the vacuum heat collection pipe, and water does not contact with sealing ring, does not exist water erosion to cause sealing ring aging.

Compared with prior art, because of not intaking in the utility model vacuum heat collection pipe, so the vacuum heat collection pipe non-scaling is not afraid of and is frozen, the life-span is long; Four seasons all-weather all can relieved water filling, and is safe in utilization.

As of the present utility model perfect, between water inlet pipe and outlet pipe, be connected with return pipe, back-water valve (BWV) is housed on the return pipe, the place ahead that is positioned at return pipe on the water inlet pipe is equipped with reversal valve, cold water pipe, water intaking valve successively, the rear that is positioned at return pipe on the outlet pipe is equipped with shutoff valve, three-way pipe successively, the 3rd end dress of three-way pipe is by intake valve, and the delivery port of outlet pipe, cold water pipe and mixing valve tandem, mixing valve is connected to water-supply-pipe.

Can make the utility model realize automatic loading water like this, need not keep the marquis, can spilling water, save time and save worry; Simultaneously, can regulate the temperature of water when using.

Description of drawings Fig. 1 is the structural representation of the utility model outdoor section;

Fig. 2 is the schematic diagram that concerns of inner water tank and metal tube, vacuum heat collection pipe;

Fig. 3 is the connection diagram of parts and parts among Fig. 2;

Fig. 4 is the utility model pipeline structure schematic diagram.

Among the figure: 1-water tank, 101-inner water tank, 102-heat-insulation layer, 103-metal shell, the 2-vacuum heat collection pipe, 3-water inlet pipe, 4-outlet pipe, 5-metal tube, the 6-sealing ring, 7-nut, 8-return pipe, the 9-back-water valve (BWV), 10-reversal valve, 11-cold water pipe, the 12-water intaking valve, the 13-shutoff valve, 14-is by intake valve, the 15-mixing valve, 16-terminal outlet pipe, 17-three-way pipe.

The utility model is described in further detail below in conjunction with accompanying drawing for the specific embodiment.

As shown in Figure 1 and Figure 2: a kind of pressure-bearing type Anti-leakage type solar water heater, comprise the water tank 1 that from inside to outside is provided with inner water tank 101, heat-insulation layer 102, metal shell 103, many vacuum heat collection pipes 2, reflection frame (not shown) and the water inlet pipe 3 that communicates with inner water tank 101, outlet pipe 4, a metal tube 5 that communicates with inner water tank 101 is housed in the every vacuum heat collection pipe 2, the sealing of the other end of metal tube 5, metal tube 5 are bordering between the end of inner water tank 101 and the vacuum heat collection pipe 2 sealing ring 6 are housed.Referring to Fig. 3: the connected mode of present embodiment inner water tank 101 and metal tube 5 is that nut 7 and inner water tank 101 are welded as a whole, metal tube 5 and nut 7 thread connection; Sealing ring 6 is a silica gel sealing ring.

Operation principle of the present utility model and process: under solarization, all-glass vacuum thermal-collecting tube 2 heat absorption and with heat radiation to vacuum heat collection pipe 2, the metal tube 5 that communicates with inner water tank 101, with the heating of the cold water in the metal tube 5, under the convection action of metal conduction and water, hot water come-up in the metal tube 5 passes to inner water tank 101, outside the inner water tank 101 good heat-insulation layer is arranged, hot water storage is in water tank 1.Through reciprocation cycle many times, the water temperature in the water tank 1 is more and more higher, and it is for people to use finally to reach desirable water temperature.

As of the present utility model perfect, referring to Fig. 4: between water inlet pipe 3 and outlet pipe 4, be connected with return pipe 8, back-water valve (BWV) 9 is housed on the return pipe 8, the place ahead that is positioned at return pipe 8 on the water inlet pipe 3 is equipped with reversal valve 10, cold water pipe 11, water intaking valve 12 successively, the rear that is positioned at return pipe 8 on the outlet pipe 4 is equipped with shutoff valve 13, three-way pipe 17 successively, the 3rd end dress of three-way pipe 17 is by intake valve 14, and outlet pipe 4, cold water pipe 11 are connected to terminal outlet pipe 16 with the delivery port of mixing valve 15 tandems, mixing valve 15.

Can regulate terminal outlet pipe water temperature by the valve of regulating on the pipeline according to the water temperature situation in the water tank after adopting said structure.When the water tank water temperature just often, water intaking valve 12, reversal valve 10, shutoff valve 13 all are in open mode, back-water valve (BWV) 9, be in closed condition by intake valve 14, water inlet pipe 3 is to water tank 1 cold water injection, in the water tank 1 flow of hot water to along A among the figure to flowing, the hot water in the water tank 1 enters mixing valve 15 through outlet pipe 4; When water tank 1 water temperature is low, do not need in water tank 1, to mix cold water, at this moment reversal valve 10, shutoff valve 13 are closed, open with back-water valve (BWV) 9, by intake valve 14,1 hot water enters mixing valve 15 through water inlet pipe 3, return pipe 8 in the water tank, in the water tank 1 flow of hot water to along B among the figure to flowing.Regulate mixing valve 15 according to the situation that enters water temperature in the mixing valve 15, the cold water in the cold water pipe 11 can be injected mixing valve 15.

Claims

1, a kind of pressure-bearing type Anti-leakage type solar water heater, comprise the water tank that from inside to outside is provided with inner water tank, heat-insulation layer, metal shell, many vacuum heat collection pipes, reflection frame and the inlet tube and outlet tube that communicates with inner water tank, it is characterized in that: a metal tube (5) that communicates with inner water tank (101) is housed in the every vacuum heat collection pipe (2), the sealing of the other end of metal tube (5) is bordering on metal tube (5) and is bordering between the end of inner water tank (101) and the vacuum heat collection pipe (2) sealing ring (6) is housed.

2, a kind of pressure-bearing type Anti-leakage type solar water heater according to claim 1, it is characterized in that: inner water tank (101) is welded with nut (7), metal tube (5) and nut (7) thread connection.

3, a kind of pressure-bearing type Anti-leakage type solar water heater according to claim 1, it is characterized in that: between water inlet pipe (3) and outlet pipe (4), be connected with return pipe (8), back-water valve (BWV) (9) is housed on the return pipe (8), reversal valve (10) is equipped with in the place ahead that is positioned at return pipe (8) on the water inlet pipe (3) successively, cold water pipe (11), water intaking valve (12), shutoff valve (13) is equipped with at the rear that is positioned at return pipe (8) on the outlet pipe (4) successively, three-way pipe (17), the 3rd end dress of three-way pipe (17) is by intake valve (14), outlet pipe (4), cold water pipe (11) and mixing valve (15) tandem, the delivery port of mixing valve (15) is connected to terminal outlet pipe (16).

4, according to claim 1,2 or 3 described a kind of pressure-bearing type Anti-leakage type solar water heaters, it is characterized in that: sealing ring (6) is a silica gel sealing ring.