CN103672072B - Breather valve and use the plate type solar water heater of this breather valve - Google Patents

Breather valve and use the plate type solar water heater of this breather valve Download PDF

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Publication number
CN103672072B
CN103672072B CN201310612351.3A CN201310612351A CN103672072B CN 103672072 B CN103672072 B CN 103672072B CN 201310612351 A CN201310612351 A CN 201310612351A CN 103672072 B CN103672072 B CN 103672072B
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China
Prior art keywords
valve
venting channels
heat collector
breather valve
cavity
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CN201310612351.3A
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Chinese (zh)
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CN103672072A (en
Inventor
叶远璋
赖汉祥
庞诗东
吉家弟
王芳
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Guangdong Vanward New Electric Co Ltd
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Guangdong Vanward New Electric Co Ltd
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Priority to CN201310612351.3A priority Critical patent/CN103672072B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

A kind of breather valve, be applicable to be arranged on the heat collector of plate type solar water heater, the valve body that mainly comprises joint, is fixedly connected with this joint, on this valve body, be provided with the venting channels that is communicated with heat collector cavity, technical characteristics is that this breather valve also comprises absorbent cotton, between described joint and valve body, is provided with cavity volume, and described absorbent cotton is placed in cavity volume, the air duct that is provided with the outer atmospheric environment of communication chamber in joint, this air duct is communicated with by absorbent cotton gas with described venting channels; The present invention also proposes a kind of plate type solar water heater that is provided with above-mentioned breather valve. The present invention can effectively absorb or alleviate the water spray haze in the cavity of heat collector, can also balance heat collector cavity in the air pressure of external environment, can effectively protect heat collector inner components, improve the service life of solar water heater.

Description

Breather valve and use the plate type solar water heater of this breather valve
Technical field
The present invention relates to solar water heater field, relate to particularly a kind of breather valve and use the plate type solar water heater of this breather valve.
Background technology
Conventional plate type solar water heater comprises the compositions such as heat collector shell, transparent cover plate, absorber plate, heat-insulation layer. Described heat collector shell and transparent cover plate surround the cavity of heat collector, and absorber plate, heat-insulation layer are set in the cavity of described heat collector. Absorber plate absorbs through the solar radiant energy of transparent cover plate and is converted into heat energy, and sends heat energy to heat transfer medium in absorber plate runner, realizes the periodic duty of solar water heater heat transfer medium.
Said structure plate type solar water heater is in use: heat collector constantly absorbs heat, makes the internal cavity of its sealing form malleation, and inner moisture can flash to steam simultaneously; When ambient temperature rapid drawdown, transparent cover plate is cooling rapidly, and the steam of atomization is met condensation and formed macroscopic water spray haze, and the negative pressure forming at sealing internal cavity. Be gathered in heat collector internal cavity water spray haze and can not get absorbing or alleviating, can directly affect serviceability and the service life of heat collector; More importantly, the positive and negative pressure in heat collector can not get alleviating or balance, also can affect the service life of heat collector.
In order to overcome above-mentioned defect, to breather valve and use the plate type solar water heater of this breather valve to develop.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of breather valve and uses the plate type solar water heater of this breather valve; to absorbing or alleviate the water spray haze in the cavity of heat collector; in can also balance heat collector cavity with the air pressure of external environment; can effectively protect heat collector inner components, improve the service life of solar water heater.
The technical scheme that the present invention solves its technical problem employing is: a kind of breather valve, be applicable to be arranged on the heat collector of plate type solar water heater, the valve body that mainly comprises joint, is fixedly connected with this joint, is provided with the venting channels that is communicated with heat collector cavity on this valve body; This breather valve also comprises absorbent cotton, between described joint and valve body, is provided with cavity volume, and described absorbent cotton is placed in cavity volume, is provided with the air duct of the outer atmospheric environment of communication chamber in joint, and this air duct is communicated with by absorbent cotton gas with described venting channels; Venting channels on described valve body is made up of the first venting channels being interconnected and the second venting channels, in the second venting channels, be provided with the first core assembly, described the first core assembly can be communicated with or isolate the first venting channels and communicate with the gas of heat collector cavity.
Above-mentioned absorbent cotton is any material manufacture that can absorb water spray haze in prior art.
As the further improvement of above-mentioned embodiment, described the second venting channels is provided with location wall near one end of the first venting channels, and the other end is fixed with the valve gap with passage, and described the first core assembly is between location wall and valve gap.
Again further, in described valve gap, be provided with the groove that is cross shape, to facilitate the installation and removal of valve gap.
Again further, described the first core assembly is mainly made up of spring base, spring, spool, and described spring base comprises the body being inserted in for spring and the positioning table being fixed on the wall of location, and body is provided with blow vent near one end of positioning table; Described spool comprises and stretches into the valve core rod of body, the sealing baffle of block valve gap passage; Described spring is stuck between sealing baffle and positioning table, and valve core rod can be along the axial back and forth movement of body.
Again further, venting channels on described valve body also comprises the 3rd venting channels being connected with the first venting channels, described the 3rd venting channels is provided with the second location wall near one end of the first venting channels, the other end is fixed with the second valve gap with passage, in the 3rd venting channels, be provided with second valve core assembly, described second valve core assembly is between the second location wall and the second valve gap, and described second valve core assembly can be opened or isolate the first venting channels and be communicated with the gas of heat collector cavity by the 3rd venting channels.
Again further, described second valve core assembly is mainly made up of spring base, spring, spool, and described spring base comprises the body being inserted in for spring and be fixed on the positioning table that second valve covers, and body is provided with blow vent near one end of positioning table; Described spool comprise stretch into the valve core rod of body, for isolating the sealing baffle that between the first venting channels and the 3rd venting channels, gas communicates; Described spring is stuck between sealing baffle and positioning table, and valve core rod can be along the axial back and forth movement of body.
For reaching above-mentioned purpose, the present invention also proposes a kind of plate type solar water heater, comprises heat collector shell, transparent cover plate, and described heat collector shell and transparent cover plate surround heat collector cavity, in described heat collector cavity, absorber plate, heat-insulation layer is set; Described plate type solar water heater also comprises breather valve, breather valve is placed in heat collector cavity, breather valve is arranged on heat collector shell by hollow fixture, in described hollow fixture, be provided with gas passage, the air duct in described joint is by gas passage and the outside atmosphere environmental communication of hollow fixture.
Further, described hollow fixture is staking nut, and breather valve sealing is fixed on the sidewall of heat collector shell.
The beneficial effect that the present invention compared with the existing technology produced: due to the valve body with venting channels in the present invention be mutually permanently connected with the joint of air duct, and between valve body and joint, be provided with the cavity that holds absorbent cotton, be communicated with described air duct and venting channels by absorbent cotton, and then realize the heat collector cavity of plate type solar water heater and communicating of outside atmosphere environment. As can be seen here, the present invention can not only available energy absorbs or alleviates the water spray haze in the cavity of heat collector, can also balance heat collector cavity in the air pressure of external environment, protection heat collector inner components, the service life of improving solar water heater.
Brief description of the drawings
The following drawings only schematically illustrates and explains the present invention, does not limit protection domain of the present invention.
Fig. 1 is the schematic diagram of the breather valve of one embodiment of the invention;
Fig. 2 is the structure exploded perspective view of Fig. 1;
Fig. 3 is the explosive view (explosive view of second valve core assembly (08) also can be suitable for reference to this figure) of the first core assembly (05) in Fig. 1;
Fig. 4 is the schematic diagram of valve body in Fig. 1 (02) and joint (01);
Fig. 5 is the schematic diagram of the breather valve (100 ') of further embodiment of this invention;
Fig. 6 is the structure exploded perspective view of Fig. 5;
Fig. 7 is that breather valve of the present invention (100) is arranged on the schematic diagram on plate type solar water heater;
Fig. 8 is the schematic diagram of staking nut in Fig. 7.
Detailed description of the invention
For technical characterictic, object and the effect of invention are had more clearly and understood, now contrast brief description of the drawings the specific embodiment of the present invention. In the accompanying drawing of the each embodiment of expression, part same structure or part are provided with two marks, for example breather valve 100,100 ', wherein Reference numeral band " ' " expression the first embodiment in parts, breather valve 100 ' is the parts in the first embodiment; Not band " ' ", as breather valve 100, be the parts in the second embodiment.
Please refer to Fig. 7, Fig. 8, a kind of plate type solar water heater, comprises heat collector shell 200, transparent cover plate 300, staking nut 700, breather valve 100,100 '.
Described heat collector shell 200 and transparent cover plate 300 surround heat collector cavity 400, interior absorber plate 500, the heat-insulation layer 500 of arranging of described heat collector cavity 400. Described breather valve 100,100 ' is placed in heat collector cavity 400, and is arranged on heat collector shell 200 by staking nut 700, in described staking nut 700, is provided with gas passage 710, gas passage 710 is communicated with heat collector cavity 400 and outside atmosphere environment by breather valve 100,100 '. Breather valve 100,100 ' the staking nut 700 being fixedly connected with is arranged on the sidewall of heat collector shell 200, described breather valve 100, external screw thread is set on 100 ', match with the internal thread of staking nut 700, for the valve 100 that ensures respiration, 100 ' and staking nut 700 between be threaded be tightly connected, can increase by a seal washer 800.
Embodiment mono-, with reference to Fig. 5, Fig. 6, described breather valve mainly comprises joint 01 ', valve body 02 ', absorbent cotton 03 '.
Joint 01 ' is fixedly connected with valve body 02 ', can be for example threaded, connection means between the common components such as buckle connection. Between joint 01 ' and valve body 02 ', be provided with cavity volume 04 ', absorbent cotton 03 ' is full of 04 ' cavity volume.
On valve body 02 ', be provided with the venting channels 20 ' that is communicated with heat collector cavity 400, described venting channels 20 ' is plurality of through holes 21 '; In joint 01 ', be provided with by the air duct 10 ' of the outer atmospheric environment of gas passage 710 communication chamber in staking nut 700. The air duct 10 ' of described joint 01 ' is interconnected by absorbent cotton 03 ' gas with the venting channels 20 ' of valve body 02 '.
Absorbed by absorber plate when sunshine constantly sees through transparent cover plate, the temperature of heat collector cavity raises, and forms malleation. Gas through air duct--the gas passage of staking nut of the venting channels-absorbent cotton-joint of valve body, is finally sent in outside atmosphere environment successively; When ambient temperature rapid drawdown, transparent cover plate is cooling rapidly, heat collector cavity forms macroscopic water spray haze, in heat collector cavity, form negative pressure simultaneously, outdoor gas is successively through the gas passage--venting channels of the air duct of joint--absorbent cotton--valve body of staking nut, the moisture containing in outdoor gas is absorbed when through absorbent cotton, finally enters in heat collector cavity and alleviates the pressure in heat collector, also can reduce the generation of water spray haze in heat collector cavity. In the time again having sunshine to see through transparent cover plate, the empty cavity temperature of heat collector raises, and forms malleation, due to the existence of pressure reduction, water spray haze can be successively through air duct--the gas passage of staking nut of the venting channels-absorbent cotton-joint of valve body, discharge heat collector cavity. So, the empty cavity temperature of heat collector repeatedly raises, reduces, the setting of breather valve can balance heat collector cavity in the air pressure of external environment, effectively protect heat collector, can discharge the water spray haze in heat collector cavity simultaneously.
Embodiment bis-, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the breather valve 100 in the present embodiment mainly comprises joint 01, valve body 02, absorbent cotton 03, the first core assembly 05, valve gap 06. Joint 01 is fixedly connected with valve body 02, can be for example threaded, the means that are fixedly connected with between the common components such as buckle connection. Between joint 01 and valve body 02, be provided with cavity volume 04, absorbent cotton 03 is full of 04 cavity volume.
On valve body 02, be provided with the venting channels 20 that is communicated with heat collector cavity 400, described venting channels 20 is made up of the first venting channels 21 being interconnected and the second venting channels 22, in the second venting channels 22, be provided with the first core assembly 05, described the first core assembly 05 can be communicated with or isolate the first venting channels 21 and communicate with the gas of heat collector cavity 400 by the second venting channels 22, is provided with by the air duct 10 of the outer atmospheric environment of gas passage 710 communication chamber of staking nut 700 in joint 01. The air duct 10 of described joint 01 communicates by absorbent cotton 03 gas with the venting channels 20 of valve body 02.
The second venting channels 22 of valve body 02 is provided with location wall 24 near one end of the first venting channels 21, the other end is provided with internal thread, valve gap 06 is threaded connection and is arranged on the second venting channels 22 passwaies, valve gap 06 is provided with passage 61, and described the first core assembly 05 is fixed between location wall 24 and valve gap 06. In valve gap 06, be also provided with the groove 62 that is cross shape, to facilitate the installation and removal of valve gap 06.
Above-mentioned the first core assembly 05 is mainly made up of spring base 51, spring 52, spool 53, described spring base 51 comprises the body 511 being inserted in for spring 52 and the positioning table 512 being fixed on the wall 24 of location, and body 511 is provided with blow vent 513 near one end of positioning table 512; Described spool 53 comprises and stretches into the valve core rod 531 of body 511, the sealing baffle 532 of block valve gap 06 passage 61; Described sealing baffle 532 comprises and the integrated catch 533 of valve core rod 531 and the sealing gasket 534 of being close to this catch, by catch 533 compression seal pads 534, to realize the first sealing of core assembly 05 to valve gap 06 upper vent hole 61, described spring 52 is stuck between sealing baffle 532 and positioning table 512, and valve core rod 531 can be along the axial back and forth movement of body 511.
As the further improvement of implementing two, in valve body, be also provided with the 3rd venting channels 23 being connected with the first venting channels 21, described the 3rd venting channels 23 is provided with the second location wall 25 near one end of the first venting channels 21, the other end is fixed with the second valve gap 09 with passage 91, in the 3rd venting channels 23, be provided with second valve core assembly 08, described second valve core assembly 08 is between the second location wall 25 and the second valve gap 09, the gas connection that the first venting channels 21 communicates with the gas of heat collector cavity by the 3rd venting channels 23 can be opened or isolate to described second valve core assembly 08.
With reference to Fig. 3, the first core assembly 05 is identical with the structure of second valve core assembly 08, is the clear the present embodiment that represents, spy represents respectively the structure in the first core assembly 05 and second valve core assembly 08 with different Reference numerals.
Above-mentioned second valve core assembly 08 is mainly made up of spring base 81, spring 82, spool 83, described spring base 81 comprises the body 811 being inserted in for spring 82 and is fixed on the positioning table 812 on the second valve gap 09, and body 811 is provided with blow vent 813 near one end of positioning table 812; Described spool 83 comprise stretch into the valve core rod 831 of body 811, for isolating the sealing baffle 832 that between the first venting channels 21 and the 3rd venting channels 23, gas communicates, described sealing baffle 832 comprises and the integrated catch 833 of valve core rod 831 and the sealing gasket 834 of being close to this catch, by catch 833 compression seal pads 834, to realize the sealing of second valve core assembly 08 to the second valve gap 09 upper vent hole 91; Described spring 82 is stuck between sealing baffle 832 and positioning table 812, and valve core rod 831 can be along the axial back and forth movement of body 811.
When work, absorbed by absorber plate when sunshine constantly sees through transparent cover plate, the temperature of heat collector cavity raises, and forms malleation. gas enters the passage of valve gap, by pushing spring, the sealing baffle of pushing the first core assembly open enters the second venting channels, pass through successively the first venting channels-absorbent tampons--air duct of joint--gas passage of staking nut through the blow vent of spring base again, finally send in outside atmosphere environment, when ambient temperature rapid drawdown, transparent cover plate is cooling rapidly, heat collector cavity forms macroscopic water spray haze, in heat collector cavity, form negative pressure simultaneously, outdoor gases at high pressure are successively through gas passage--first venting channels of the air duct of joint--absorbent cotton--valve body of staking nut, by promoting the spring of second valve core assembly, the sealing baffle of pushing the second spool open enters the 3rd venting channels, then enter the passage of the second valve gap from the be hit by a bullet blow vent of spring abutment of second valve core assembly, finally enter heat collector cavity, to alleviate the pressure in heat collector cavity, also can reduce the generation of water spray haze in heat collector cavity, and now, spring in the second venting channels is stretched out under the effect of air pressure, the sealing baffle of the assembly spool of the first spool seals the gas communication in the second venting channels. in the time again having sunshine to see through transparent cover plate, the empty cavity temperature of heat collector raises, form malleation, due to the existence of pressure reduction, gas is by pushing spring, the sealing baffle of pushing the first core assembly open enters the second venting channels, water spray haze can be successively through air duct--the gas passage of staking nut of second venting channels-the first venting channels-absorbent cotton-joint of valve body, discharge heat collector cavity. so, the empty cavity temperature of heat collector repeatedly raises, reduces, the setting of breather valve can balance heat collector cavity in the air pressure of external environment, effectively protect heat collector, can discharge the water spray haze in heat collector cavity simultaneously.

Claims (8)

1. a breather valve, is applicable to be arranged on the heat collector of plate type solar water heater, mainly comprises joint (01,01 ') valve body (02, being fixedly connected with this joint, 02 '), on this valve body, be provided with the venting channels (20,20 ') that is communicated with heat collector cavity;
It is characterized in that: this breather valve also comprises absorbent cotton (03,03 '), between described joint and valve body, be provided with cavity volume (04,04 '), described absorbent cotton is placed in cavity volume, is provided with the air duct (10,10 ') of the outer atmospheric environment of communication chamber in joint, this air duct (10,10 ') is communicated with by absorbent cotton gas with described venting channels;
Venting channels (20) on described valve body (02) is made up of the first venting channels (21) being interconnected and the second venting channels (22), in the second venting channels (22), be provided with the first core assembly (05), described the first core assembly (05) can be communicated with or isolate the first venting channels (21) and communicate with the gas of heat collector cavity.
2. breather valve according to claim 1, it is characterized in that described the second venting channels (22) is provided with location wall (24) near one end of the first venting channels (21), the other end is fixed with the valve gap (06) of band passage (61), and described the first core assembly (05) is positioned between location wall (24) and valve gap (06).
3. breather valve according to claim 2, is characterized in that being also provided with in described valve gap (06) groove (62) that is cross shape.
4. breather valve according to claim 2, it is characterized in that described the first core assembly (05) is mainly made up of spring base (51), spring (52), spool (53), described spring base (51) comprises for the body (511) that is inserted in of spring (52) and is fixed on the positioning table (512) on location wall (24), and one end of the close positioning table (512) of body (511) is provided with blow vent (513); Described spool (53) comprises and stretches into the valve core rod (531) of body (511), the sealing baffle (532) of block valve gap (06) passage (61); Described spring (52) is stuck between sealing baffle (532) and positioning table (512), and valve core rod (531) can be along axially back and forth movement of body (511).
5. breather valve according to claim 1, it is characterized in that the venting channels (20) on described valve body also comprises the 3rd venting channels (23) being connected with the first venting channels (21), described the 3rd venting channels (23) is provided with the second location wall (25) near one end of the first venting channels (21), the other end is fixed with second valve gap (09) of band passage (91), in the 3rd venting channels (23), be provided with second valve core assembly (08), described second valve core assembly (08) is positioned between the second location wall (25) and the second valve gap (09), described second valve core assembly (08) can be opened or isolate the first venting channels (21) and be communicated with the gas of heat collector cavity by the 3rd venting channels (23).
6. breather valve according to claim 5, it is characterized in that described second valve core assembly (08) is mainly made up of spring base (81), spring (82), spool (83), described spring base (81) comprises for the body (811) that is inserted in of spring (82) and is fixed on the positioning table (812) on the second valve gap (09), and one end of the close positioning table (812) of body (811) is provided with blow vent (813); Described spool (83) comprise stretch into the valve core rod (831) of body (811), for isolating the sealing baffle (832) that between the first venting channels (21) and the 3rd venting channels (23), gas communicates; Described spring (82) is stuck between sealing baffle (832) and positioning table (812), and valve core rod (831) can be along axially back and forth movement of body (811).
7. a plate type solar water heater, comprise heat collector shell (200), transparent cover plate (300), described heat collector shell (200) and transparent cover plate (300) surround heat collector cavity (400), absorber plate (500) is set in described heat collector cavity (400), heat-insulation layer (600), it is characterized in that: also comprise according to the breather valve (100 described in any one in claim 1 ~ 6, 100 '), described breather valve (100, 100 ') be placed in heat collector cavity (400), breather valve (100, 100 ') be arranged on heat collector shell (200) by hollow fixture (700), in described hollow fixture (700), be provided with gas passage (710), described joint (01, 01 ') air duct (10 in, 10 ') by the gas passage (710) and outside atmosphere environmental communication of hollow fixture (700).
8. plate type solar water heater according to claim 7, is characterized in that described hollow fixture (700) is staking nut, and breather valve (100,100 ') sealing is fixed on the sidewall of heat collector shell (200).
CN201310612351.3A 2013-11-27 2013-11-27 Breather valve and use the plate type solar water heater of this breather valve Active CN103672072B (en)

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CN201310612351.3A CN103672072B (en) 2013-11-27 2013-11-27 Breather valve and use the plate type solar water heater of this breather valve

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CN201310612351.3A CN103672072B (en) 2013-11-27 2013-11-27 Breather valve and use the plate type solar water heater of this breather valve

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CN103672072B true CN103672072B (en) 2016-05-25

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CN108758044A (en) * 2018-07-25 2018-11-06 江苏华燕船舶装备有限公司 Deck foam system breather valve
CN109846716A (en) * 2019-01-31 2019-06-07 浙江迈帝康医疗器械有限公司 A kind of nutrition pump, infusion apparatus, control valve and liquid control method
CN115217936A (en) * 2021-11-29 2022-10-21 广州汽车集团股份有限公司 Bidirectional ventilation structure and gearbox

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Publication number Priority date Publication date Assignee Title
US4681088A (en) * 1986-03-24 1987-07-21 Cromer Charles J Freeze protection valve for solar heaters
CN2886258Y (en) * 2005-06-15 2007-04-04 韩举刚 Breather valve for solar water heater
CN101709906A (en) * 2009-11-22 2010-05-19 冯益安 Wall-mounted solar water heater
CN201983478U (en) * 2011-04-15 2011-09-21 雍徽 Flat plate solar collector with breather valve
CN103322700A (en) * 2013-06-24 2013-09-25 曹莹莹 Efficient solar water heater
CN203604744U (en) * 2013-11-27 2014-05-21 广东万和电气有限公司 Breather valve and flat type solar water heater comprising same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4681088A (en) * 1986-03-24 1987-07-21 Cromer Charles J Freeze protection valve for solar heaters
CN2886258Y (en) * 2005-06-15 2007-04-04 韩举刚 Breather valve for solar water heater
CN101709906A (en) * 2009-11-22 2010-05-19 冯益安 Wall-mounted solar water heater
CN201983478U (en) * 2011-04-15 2011-09-21 雍徽 Flat plate solar collector with breather valve
CN103322700A (en) * 2013-06-24 2013-09-25 曹莹莹 Efficient solar water heater
CN203604744U (en) * 2013-11-27 2014-05-21 广东万和电气有限公司 Breather valve and flat type solar water heater comprising same

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