CN208398410U - Anti-freeze solar hot-water heating system - Google Patents
Anti-freeze solar hot-water heating system Download PDFInfo
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- CN208398410U CN208398410U CN201820622317.2U CN201820622317U CN208398410U CN 208398410 U CN208398410 U CN 208398410U CN 201820622317 U CN201820622317 U CN 201820622317U CN 208398410 U CN208398410 U CN 208398410U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model discloses a kind of anti-freeze solar hot-water heating systems, including heat collector, water tank and control assembly, the heat collector is equipped with inlet and outlet, the water tank is equipped with filling pipe end, collector nozzle, cooling water inlet, hot water outlet and refluxing opening, the hot water outlet is located at the lower section of the collector nozzle, when having water body in the water tank, the water tank is equipped with the cavity for being located at liquid level or more, the collector nozzle is connected to the cavity, the hot water mouth is located at the liquid level, the filling pipe end and the refluxing opening are connected to by the control assembly with the water inlet, the control assembly is used to control opening for the pipeline between the filling pipe end and the water inlet, close and control opening for the pipeline between the refluxing opening and the water inlet, it closes, the collector nozzle is connected to the water outlet.Directly leak water in heat collector described in the utility model, realize and directly exchange heat, heat exchange efficiency can be submitted, while it can reach antifreezing effect, use cost reduces.
Description
Technical field
The utility model relates to solar water technical fields, more particularly, to a kind of anti-freeze solar hot-water heating system.
Background technique
Flat-plate solar heat collector is wide because of excellent characteristics such as its architecture-integral, high pressure resistance, pressure-bearing metal runners
It is general to be applied in solar water heating system.But when solar thermal collector is used for cold district market, due to its antivacuum insulation
Characteristic needs to carry out antifreeze processing.The heat exchange mode of pressure-bearing type solar energy system is anti-icing fluid indirect heat exchange at present, to realize
Antifreeze function also increases product cost however, which reduces solar heat-exchange efficiency.
Utility model content
Technical problem to be solved in the utility model is to provide for a kind of anti-freeze solar hot-water heating system, in the antifreeze phase
Between, there is certain air in heat collector always, thus reach antifreeze purpose, meanwhile, directly leak water in heat collector, realization is directly changed
Heat can submit heat exchange efficiency, reduce use cost.
Above-mentioned technical problem is solved by the following technical programs:
A kind of anti-freeze solar hot-water heating system, including heat collector, water tank and control assembly, the heat collector are equipped with water inlet
And water outlet, the water tank are equipped with filling pipe end, collector nozzle, cooling water inlet, hot water outlet and refluxing opening, the hot water outlet position
In the lower section of the collector nozzle, when having water body in the water tank, the water tank is equipped with the cavity for being located at liquid level or more, under described
The mouth of a river is connected to the cavity, and the hot water mouth is located at the liquid level, and the filling pipe end and the refluxing opening pass through described
Control assembly is connected to the water inlet, and the control assembly is used to control the pipeline between the filling pipe end and the water inlet
Open and close and control the open and close of the pipeline between the refluxing opening and the water inlet, the collector nozzle and the water outlet connect
It is logical.
In the anti-freeze solar hot-water heating system, when executing solar energy circulating-heating, control assembly controls the upper of water tank
It is connected between the mouth of a river and the water inlet of heat collector, at this point, being turned off between the refluxing opening of water tank and the water inlet of heat collector, water at low temperature
Enter heat collector by the filling pipe end of water tank, water tank is entered by the collector nozzle of water tank again after heat absorption, passes through hot water outlet later
Hot water is discharged and is used, cavity is located at the top of water tank at this time.When execute it is antifreeze when, control assembly control water tank filling pipe end with
It is turned off between the water inlet of heat collector, at this point, being connected between the refluxing opening of water tank and the water inlet of heat collector, the water in heat collector
Body enters water tank after water inlet thereon, using the refluxing opening of water tank, and the cavity of tank top will be by under water tank
The mouth of a river enters heat collector, and after heat collector is filled with certain air, the pipe between water tank and heat collector is turned off by control assembly
Road, so that having certain air always in antifreeze period heat collector, to reach antifreeze purpose.The anti-freezing solar water system
System can achieve the effect that antifreeze and water body direct heat exchange, improve heat exchange efficiency, while also avoiding using antifreeze
Liquid and heat exchanger, reduce use cost.
Above-mentioned technical proposal is further described below:
It in one of the embodiments, further include the first liquid level detection device, first liquid level detection device is set to institute
It states between water inlet and the control assembly.First liquid level detection device is used to detect water inlet and control assembly in antifreeze period
Between whether have water body, when detecting no water body, control assembly can be closed, so that cavity is maintained in heat collector.
It in one of the embodiments, further include the second liquid level detection device, second liquid level detection device is set to institute
It states between water outlet and the collector nozzle.When the first liquid level detection device and the second liquid level detection device detect no water body
When, can be able adequately determines in heat collector does not have water body, and then fully ensures that the antifreezing effect of heat collector.Meanwhile second liquid level inspection
It surveys device can also be used to judge whether water circulation operation is normal, or judges whether system leaks.
The control assembly includes two two-port valves and two pump housings, two two-ways in one of the embodiments,
Valve is respectively the first two-port valve and the second two-port valve, and two pump housings are respectively first pump housing and second pump housing, and described first
Two-port valve and first pump housing are set between the filling pipe end and the water inlet, second two-port valve and second pump
Body is set between the refluxing opening and the water inlet.
The control assembly includes triple valve and two pump housings, two pump housing difference in one of the embodiments,
For first pump housing and second pump housing, three connectors of the triple valve respectively with the water inlet, the filling pipe end and described time
Head piece connection, first pump housing are set between the filling pipe end and the triple valve, and second pump housing is set to the reflux
Between mouth and the triple valve.
The control assembly includes the pump housing and two triple valves, two triple valves point in one of the embodiments,
Not Wei the first triple valve and the second triple valve, the first connector of first triple valve is connected to the filling pipe end, described second
First connector of triple valve is connected to the refluxing opening, and the second connector of first triple valve is connected to the water inlet, institute
The second connector for stating the second triple valve is connected to the water inlet, the third connector of first triple valve by the pump housing with
The third fittings of second triple valve.
The control assembly includes the pump housing and four two-port valves, four two-port valves point in one of the embodiments,
Not Wei the first two-port valve, the second two-port valve, third two-port valve and the 4th two-port valve, the filling pipe end, first two-port valve, institute
It states the second two-port valve and the water inlet is sequentially communicated, the refluxing opening, the third two-port valve, the 4th two-port valve and institute
It states water inlet to be sequentially communicated, one end of the pump housing is connected between first two-port valve and second two-port valve, another
End is connected between the third two-port valve and the 4th two-port valve.
The cooling water inlet is set to the bottom of the water tank in one of the embodiments, and the hot water outlet is set to institute
The middle and upper part of water tank is stated, the filling pipe end is set to the bottom of the water tank, and the collector nozzle is set to the top of the water tank, described
Refluxing opening is set to the middle and lower part of the water tank.
Pass through closed pipe between the heat collector, the water tank and the control assembly in one of the embodiments,
Road connection, thus the phenomenon that forming closed system, preventing gas leakage, to guarantee that air in cavity can be well into
Into heat collector, reach effective antifreezing effect.
The heat collector is flat-plate solar heat collector in one of the embodiments, and heat exchange sufficiently, has excellent
Heat exchange property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of anti-freeze solar hot-water heating system described in the utility model first embodiment；
Fig. 2 is the structural schematic diagram of anti-freeze solar hot-water heating system described in the utility model second embodiment；
Fig. 3 is the structural schematic diagram of anti-freeze solar hot-water heating system described in the utility model 3rd embodiment；
Fig. 4 is the structural schematic diagram of anti-freeze solar hot-water heating system described in the utility model fourth embodiment.
Description of symbols:
100, heat collector, 110, water inlet, 120, water outlet, 200, water tank, 210 cooling water inlets, 220, hot water outlet,
230, filling pipe end, 240, collector nozzle, 250, refluxing opening, 260, cavity, 300, control assembly, 310, the pump housing, 311, first pump housing,
312, second pump housing, 320, two-port valve, the 321, first two-port valve, the 322, second two-port valve, 323, third two-port valve, the 324, the 4th
Two-port valve, 330, triple valve, the 331, first triple valve, the 332, second triple valve, the 400, first liquid level detection device, 500, second
Liquid level detection device, 600, pipeline.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly anchored to another when element is referred to as " being fixed on " another element
On element or another element can also be fixed on by element placed in the middle.When an element be known as " connection " another
Element, it can be directly to another element or be also possible to be connected to another yuan by element placed in the middle
Part.In addition, unless otherwise indicated, otherwise the descriptions such as the term " first " in specification and " second " are used only for distinguishing specification
In various components, element, step etc., without being intended to indicate that various components, element, the logical relation between step or suitable
Order relation etc..
Fig. 1 is the structural schematic diagram of anti-freeze solar hot-water heating system described in the utility model first embodiment, including collection
Hot device 100, water tank 200 and control assembly 300.The heat collector 100 is equipped with water inlet 110 and water outlet 120.The water tank
200 are equipped with cooling water inlet 210, hot water outlet 220, filling pipe end 230, collector nozzle 240 and refluxing opening 250.Cooling water inlet 210
For inputting cold water (tap water), hot water outlet 220 is used to export hot water and use.Filling pipe end 230 is used for will be in water tank 200
The water that water exports to heat collector 100, after collector nozzle 240 is used to heat heat collector 100 is transferred back to water tank 200.Refluxing opening 250 is used
In water in heat collector 100 is transferred back to water tank 200 when antifreeze.The hot water outlet 220 is located under the collector nozzle 240
Side namely collector nozzle 240 and hot water outlet 220 have interval in vertical direction.In user's water utilizing process, namely work as the water
When having water body in case 200, the cavity 260 more than liquid level will form at the top of water tank 200,260 volume of cavity is by hot water outlet
The 220 upright position decision relative to 200 liner of water tank, the hot water outlet 220 are located at the liquid level.It needs to illustrate
It is that, by pressure influence in water tank 200, the hot water outlet 220 can be slightly below the liquid level.The collector nozzle 240 and the sky
Chamber 260 is connected to.The filling pipe end 230 and the refluxing opening 250 are connected by the control assembly 300 with the water inlet 110
It is logical, the control assembly 300 for providing flow dynamic and change the direction of a stream of water, be specifically used for controlling the filling pipe end 230 with
Pipeline between the open and close of pipeline between the water inlet 110 and the control refluxing opening 250 and the water inlet 110
Open and close.The water outlet 120 is connected to the collector nozzle 240.
The working principle of the anti-freeze solar hot-water heating system is illustrated below: the hot water outlet 220 in water tank 200
Positioned at the lower section of collector nozzle 240, the cavity 260 of certain volume will form at the top of water tank 200 in user's use process.Work as execution
When solar energy circulating-heating, control assembly 300 is controlled between the filling pipe end 230 of water tank 200 and the water inlet 110 of heat collector 100
Connection, at this point, turning off between the refluxing opening 250 of water tank 200 and the water inlet 110 of heat collector 100, water at low temperature passes through water tank 200
Filling pipe end 230 enter heat collector 100, water tank 200 is entered by the collector nozzle 240 of water tank 200 again after heat absorption, passes through heat later
Hot water is discharged and uses by water out 220, and cavity 260 is located at the top of water tank 200 at this time.When executing antifreeze, control assembly 300
It controls and is turned off between the filling pipe end 230 of water tank 200 and the water inlet 110 of heat collector 100, at this point, the refluxing opening 250 of water tank 200
Be connected between the water inlet 110 of heat collector 100, the water body in heat collector 100 after water inlet 110 thereon, using
The refluxing opening 250 of water tank 200 enters water tank 200, the cavity 260 at 200 top of water tank by by the collector nozzle 240 of water tank 200 into
Enter heat collector 100, after heat collector 100 is filled with certain air, water tank 200 and heat collector 100 are turned off by control assembly 300
Between pipeline so that having certain air always in antifreeze period heat collector 100, to reach antifreeze purpose.It is described antifreeze
Solar water heating system can achieve the effect that antifreeze and water body direct heat exchange, improve heat exchange efficiency, while
It avoids reducing use cost using anti-icing fluid and heat exchanger.
In the present embodiment, the cooling water inlet 210 is set to the bottom of the water tank 200, and the hot water outlet 220 is set to
The middle and upper part of the water tank 200；The filling pipe end 230 is set to the bottom of the water tank 200, and the collector nozzle 240 is set to described
The top of water tank 200；The refluxing opening 250 is set to the middle and lower part of the water tank 200.
Further, the anti-freeze solar hot-water heating system further includes the first liquid level detection device 400, first liquid level
Detection device 400 is set between the water inlet 110 and the control assembly 300.First liquid level detection device 400 is used for anti-
Whether have water body, when detecting no water body, can close control if being detected during jelly between water inlet 110 and control assembly 300
Component 300, so that cavity 260 is maintained in heat collector 100.
Further, the anti-freeze solar hot-water heating system further includes the second liquid level detection device 500, second liquid level
Detection device 500 is set between the water outlet 120 and the collector nozzle 240.When the first liquid level detection device 400 and the second liquid
When level detecting apparatus 500 detects no water body, can be able adequately determines in heat collector 100 does not have water body, and then fully ensures that collection
The antifreezing effect of hot device 100.Meanwhile second liquid level detection device 500 can also be used to judging whether water circulation operation normal, or
Judge whether system leaks.
In the present embodiment, the heat collector 100 is flat-plate solar heat collector, for converting solar radiation into heat
Can, outer shaped like tabular, heat exchange sufficiently, has excellent heat exchange property.The water tank 200 is heat accumulation press-bearing water tank 200, cold
Water inlet 210 and tap water connection maintain a normally open state, and water tank 200 remains pressure high as tap water, originally
Under water pressure, hot water is quickly gone out, and realizes top water water outlet, and water body can be delivered to other places, safe and reliable.It is described
First liquid level detection device 400 and the second liquid level detection device 500 can be by electrode type liquid level sensor or capacitive level sensings
Device or magnetic switch formula liquid level sensor etc. are constituted.Between the heat collector 100, the water tank 200 and the control assembly 300
It is connected to by closed pipeline 600, thus the phenomenon that forming closed system, preventing gas leakage, to guarantee in cavity
Air can reach effective antifreezing effect well into heat collector 100.
In addition, the control assembly 300 is mainly made of water pump, two-port valve 320 or triple valve 330, the pump housing 310 is to follow
Ring water pump, two-port valve 320 are two-way electromagnetic valve, and triple valve 330 is three-way magnetic valve, and there are many combinations.Such as Fig. 1 institute
Show, in the present embodiment, the control assembly 300 includes two two-port valves 320 and two pump housings 310.Two two-port valves
320 be respectively the first two-port valve 321 and the second two-port valve 322, and two pump housings 310 are respectively first pump housing 311 and second
The pump housing 312.First two-port valve 311 and first pump housing 321 be set to the filling pipe end 230 and the water inlet 110 it
Between, second two-port valve 322 and second pump housing 312 are set between the refluxing opening 250 and the water inlet 110.It needs
It is noted that main pipe, branched pipe, junction block etc. can be arranged in the laying of pipeline 600 according to actual needs.When heat hot water,
First two-port valve 321 and first pump housing 311 are opened, and the second two-port valve 322 and second pump housing 312 are closed.When antifreeze, the two or two
Port valve 322 and second pump housing 312 are opened, and the first two-port valve 321 and first pump housing 311 are closed.
In the second embodiment, as shown in Fig. 2, the control assembly 300 includes triple valve 330 and two pump housings 310.
Two pump housings 310 are respectively first pump housing 311 and second pump housing 312.Three connectors of the triple valve 330 respectively with institute
State water inlet 110, the filling pipe end 230 is connected to the refluxing opening 250.First pump housing 311 is set to the filling pipe end 230
Between the triple valve 330, second pump housing 312 is set between the refluxing opening 250 and the triple valve 330.When adding
When hot water, triple valve 330 is connected to filling pipe end 230 and water inlet 110, and first pump housing 311 is opened, and second pump housing 312 is closed.When
When antifreeze, triple valve 330 is connected to refluxing opening 250 and water inlet 110, and second pump housing 312 is opened, and first pump housing 311 is closed.
In third embodiment, as shown in figure 3, the control assembly 300 includes the pump housing 310 and two triple valves 330.
Two triple valves 330 are respectively the first triple valve 331 and the second triple valve 332.The first of first triple valve 331 connects
Head is connected to the filling pipe end 230；First connector of second triple valve 332 is connected to the refluxing opening 250；Described first
Second connector of triple valve 331 is connected to the water inlet 110；Second connector of second triple valve 332 and the water inlet
Mouth 110 is connected to；The third that the third connector of first triple valve 331 passes through the pump housing 310 and second triple valve 332
Fittings.When heat hot water, the first connector and third fittings of the first triple valve 331, the of the second triple valve 332
Two connectors and third fittings, the pump housing 310 are opened.When antifreeze, the second connector and third connector of the first triple valve 331 connect
Logical, the third connector and the first fittings of the second triple valve 332, the pump housing 310 are opened.
In the 4th embodiment, as shown in figure 4, the control assembly 300 includes the pump housing 310 and four two-port valves 320.
Four two-port valves 320 are respectively the first two-port valve 321, the second two-port valve 322, third two-port valve 323 and the 4th two-port valve
324.The filling pipe end 230, first two-port valve 321, second two-port valve 322 and the water inlet 110 are sequentially communicated；
The refluxing opening 250, the third two-port valve 323, the 4th two-port valve 324 and the water inlet 110 are sequentially communicated.It is described
One end of the pump housing 310 is connected between first two-port valve 321 and second two-port valve 322, and the other end is connected to described
Between third two-port valve 323 and the 4th two-port valve 324.When heat hot water, the first two-port valve 321 and the 4th two-port valve
324 open, and the pump housing 310 is opened, and the second two-port valve 322 and third two-port valve 323 are closed.When antifreeze, 322 He of the second two-port valve
Third two-port valve 323 is opened, and the pump housing 310 is opened, and the first two-port valve 321 and the 4th two-port valve 324 are closed.
First embodiment, second embodiment, 3rd embodiment and fourth embodiment are listed in present embodiment, so
And it will be appreciated by persons skilled in the art that other different control assemblies 300 can be arranged according to actual needs also to change
Become water (flow) direction, and by being combined between each technical characteristic by the utility model or substitute equivalents, can obtain
It obtains more embodiments all possible embodiment is not all described for simplicity of description, as long as however, these technologies
Contradiction is not present in the combination of feature, all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.
Claims (10)
1. a kind of anti-freeze solar hot-water heating system, which is characterized in that including heat collector (100), water tank (200) and control assembly
(300), the heat collector (100) is equipped with water inlet (110) and water outlet (120), and the water tank (200) is equipped with cooling water inlet
(210), hot water outlet (220), filling pipe end (230), collector nozzle (240) and refluxing opening (250), the hot water outlet (220)
Positioned at the lower section of the collector nozzle (240), when having water body in the water tank (200), the water tank (200), which is equipped with, is located at liquid level
Above cavity (260), the collector nozzle (240) are connected to the cavity (260), and the hot water outlet (220) is located at described
At liquid level, the filling pipe end (230) and the refluxing opening (250) pass through the control assembly (300) and the water inlet
(110) it is connected to, the control assembly (300) is used to control the pipeline between the filling pipe end (230) and the water inlet (110)
Open and close and control the open and close of the pipeline between the refluxing opening (250) and the water inlet (110), the collector nozzle
(240) it is connected to the water outlet (120).
2. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that further include the first liquid level detection device
(400), first liquid level detection device (400) is set between the water inlet (110) and the control assembly (300).
3. anti-freeze solar hot-water heating system according to claim 2, which is characterized in that further include the second liquid level detection device
(500), second liquid level detection device (500) is set between the water outlet (120) and the collector nozzle (240).
4. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that the control assembly (300) includes
Two pump housings (310) and two two-port valves (320), two pump housings (310) are respectively first pump housing (311) and second pump housing
(312), two two-port valves (320) are respectively the first two-port valve (321) and the second two-port valve (322), first two-way
Valve (321) and first pump housing (311) are set between the filling pipe end (230) and the water inlet (110), and the described 2nd 2
Port valve (322) and second pump housing (312) are set between the refluxing opening (250) and the water inlet (110).
5. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that the control assembly (300) includes
Triple valve (330) and two pump housings (310), two pump housings (310) are respectively first pump housing (311) and second pump housing
(312), three connectors of the triple valve (330) respectively with the water inlet (110), the filling pipe end (230) and described time
Head piece (250) connection, first pump housing (311) are set between the filling pipe end (230) and the triple valve, second pump
Body (312) is set between the refluxing opening (250) and the triple valve.
6. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that the control assembly (300) includes
The pump housing (310) and two triple valves (330), two triple valves (330) are respectively the first triple valve (331) and the second threeway
First connector of valve (332), first triple valve (331) is connected to the filling pipe end (230), second triple valve
(332) the first connector is connected to the refluxing opening (250), the second connector of first triple valve (331) and the water inlet
Mouth (110) connection, the second connector of second triple valve (332) are connected to the water inlet (110), first triple valve
(331) the third fittings that third connector passes through the pump housing (310) and second triple valve (332).
7. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that the control assembly (300) includes
The pump housing (310) and four two-port valves (320), four two-port valves (320) are respectively the first two-port valve (321), the second two-way
Valve (322), third two-port valve (323) and the 4th two-port valve (324), the filling pipe end (230), first two-port valve (321),
Second two-port valve (322) and the water inlet (110) are sequentially communicated, the refluxing opening (250), the third two-port valve
(323), the 4th two-port valve (324) and the water inlet (110) are sequentially communicated, and one end of the pump housing (310) is connected to
Between first two-port valve (321) and second two-port valve (322), the other end is connected to the third two-port valve (323)
Between the 4th two-port valve (324).
8. anti-freeze solar hot-water heating system according to claim 1, which is characterized in that the cooling water inlet (210) is set to
The bottom of the water tank (200), the hot water outlet (220) are set to the middle and upper part of the water tank (200), the filling pipe end
(230) it is set to the bottom of the water tank (200), the collector nozzle (240) is set to the top of the water tank (200), the reflux
Mouth (250) is set to the middle and lower part of the water tank (200).
9. anti-freeze solar hot-water heating system according to any one of claim 1 to 8, which is characterized in that the heat collector
(100), it is connected between the water tank (200) and the control assembly (300) by closed pipeline (600).
10. anti-freeze solar hot-water heating system according to any one of claim 1 to 8, which is characterized in that the heat collector
It (100) is flat-plate solar heat collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622317.2U CN208398410U (en) | 2018-04-26 | 2018-04-26 | Anti-freeze solar hot-water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622317.2U CN208398410U (en) | 2018-04-26 | 2018-04-26 | Anti-freeze solar hot-water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208398410U true CN208398410U (en) | 2019-01-18 |
Family
ID=65062943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820622317.2U Active CN208398410U (en) | 2018-04-26 | 2018-04-26 | Anti-freeze solar hot-water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208398410U (en) |
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2018
- 2018-04-26 CN CN201820622317.2U patent/CN208398410U/en active Active
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Effective date of registration: 20220129 Address after: 528513 east of Yangxi Avenue, Yanghe town (Renhe), Gaoming District, Foshan City, Guangdong Province Patentee after: GUANGDONG VANWARD ELECTRIC Co.,Ltd. Address before: No. 601, Yangxi Avenue, Yanghe Town, Gaoming District, Foshan City, Guangdong Province, 528513 Patentee before: GUANGDONG VANBO ELECTRIC Co.,Ltd. |