CN110186205A - Water collection system and remaining water collection method more than a kind of solar water heater water pipe - Google Patents
Water collection system and remaining water collection method more than a kind of solar water heater water pipe Download PDFInfo
- Publication number
- CN110186205A CN110186205A CN201910470234.5A CN201910470234A CN110186205A CN 110186205 A CN110186205 A CN 110186205A CN 201910470234 A CN201910470234 A CN 201910470234A CN 110186205 A CN110186205 A CN 110186205A
- Authority
- CN
- China
- Prior art keywords
- water
- switch valve
- solar
- header tank
- heat preservation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to technical field of solar water heaters, water collection system more than a kind of solar water heater water pipe is disclosed, which includes solar water heater, heat preservation header tank, upper and lower conduit, cold water supply pipe and hot water supply pipe；The water tank of solar water heater is equipped with intake-outlet, and intake-outlet is equipped with first switch valve, and upper and lower conduit upper end is connected to intake-outlet, and upper and lower conduit end is connected to cold water supply pipe, hot water supply pipe respectively；Cold water supply pipe end is connected to running water pipe, and hot water supply pipe end is connected to terminal water nozzle；It keeps the temperature header tank and is equipped with inlet and outlet, water inlet is connected to by connecting tube with upper and lower conduit, water outlet is connected to by connecting tube with terminal water nozzle, connecting tube between water inlet and upper and lower conduit is equipped with third switch valve, and the connecting tube between water outlet and terminal water nozzle is equipped with the 4th switch valve.The system can realize the collection of remaining water in upper and lower conduit, improve the water utilization rate of solar water heater.
Description
Technical field
The invention belongs to technical field of solar water heaters, specifically discloses water more than a kind of solar water heater water pipe and collect
System and the system is utilized to carry out remaining water collection method.
Background technique
Solar water heater is to utilize sunlight by the device of water temperature heating.Solar water heater is divided into the electron tubes type sun
Energy water heater and flat solar water heater, vacuum pipe solar water heater occupy the market share of the country 95%.Vacuum tube
Formula domestic solar water heater is made of the related spare and accessory parts such as thermal-collecting tube, water tank and bracket, and solar energy is converted into thermal energy
Evacuated collector tube is relied primarily on, the principle sunk using hot water floating cold water makes water generate microcirculation and reach required hot water.Too
Positive energy water heater has the features such as environmentally protective, remarkable in economical benefits, safe operating life is long, has been favored by people.Existing rank
Although the solar water heater of section has many advantages, but there are still some drawbacks in actual use.Than more prominent
A problem be to connect between terminal water nozzle (such as shower nozzle) and solar storage water tank after user is using solar water heater
Water more than a part can be stored in the one section of water pipe connect, when terminal water nozzle reuses, needs first to bleed off water more than the part,
Hot water outflow to be had, terminal water nozzle just can normal uses.Therefore, the remaining water being stored in water pipe both affects solar water
The using effect of device terminal water nozzle, also results in water resource and greatly wastes.
Summary of the invention
In view of the problems of the existing technology and insufficient, the object of the present invention is to provide more than a kind of solar water heater water pipe
Water collection system and the system is utilized to carry out remaining water collection method.
To realize goal of the invention, The technical solution adopted by the invention is as follows:
Water collection system more than a kind of solar water heater water pipe, including it is solar water heater, heat preservation header tank, upper and lower conduit, cold
Water supplying pipe and hot water supply pipe；The water tank of the solar water heater is equipped with intake-outlet, and intake-outlet is equipped with the
The upper end of one switch valve, upper and lower conduit is connected to intake-outlet, and the end of upper and lower conduit is supplied with cold water respectively by three-way connection
To pipe, the connection of hot water supply pipe, the end of the upper and lower conduit is equipped with second switch valve；The cold water supply pipe end with originally
Water pipe connection, the hot water supply pipe end are connected to terminal water nozzle；The heat preservation header tank is equipped with water inlet and water outlet
Mouthful, the water inlet is connected to by connecting tube with upper and lower conduit, and the water outlet is connected to by connecting tube with terminal water nozzle, institute
The connecting tube stated between water inlet and upper and lower conduit is equipped with third switch valve, the company between the water outlet and terminal water nozzle
Adapter tube is equipped with the 4th switch valve.
According to water collection system more than above-mentioned solar water heater water pipe, it is preferable that more than the solar water heater water pipe
Water collection system further includes controller, and the first switch valve and second switch valve are solenoid valve, the controller and first
Switch valve, the electrical connection of second switch valve.
According to water collection system more than above-mentioned solar water heater water pipe, it is preferable that be equipped with the in the heat preservation header tank
One liquidometer, the third switch valve and the 4th switch valve are solenoid valve, first liquid level gauge, third switch valve and the 4th switch
Valve is electrically connected with the controller respectively.
According to water collection system more than above-mentioned solar water heater water pipe, it is preferable that be equipped in the heat preservation header tank plus
Thermal, the heating device are electrically connected with the controller.
According to water collection system more than above-mentioned solar water heater water pipe, it is preferable that the heating device is adding thermal resistance
Silk.
According to water collection system more than above-mentioned solar water heater water pipe, it is preferable that the heat preservation header tank setting is being leaned on
At nearly terminal water nozzle.
A method of remaining water is carried out using water collection system more than above-mentioned solar water heater water pipe and is collected, including following step
It is rapid:
(1) after terminal water nozzle water, first switch valve and second switch valve are closed, opens third switch valve, is made up and down
Remaining water in water pipe is discharged into heat preservation header tank, after remaining water is all discharged into heat preservation header tank, closes third switch valve；
(2) when the water level wait keep the temperature in header tank reaches the setting water level upper limit, the 4th switch valve is opened, makes to keep the temperature going out for header tank
The mouth of a river is connected to terminal water nozzle, is supplied water from heat preservation header tank to terminal water nozzle；
(3) wait keep the temperature the water level in header tank lower than setting water level lower limit when, close the 4th switch valve, open first switch valve and
Second switch valve is supplied water from the water tank of solar water heater to terminal water nozzle.
According to above-mentioned method, it is preferable that water collection system further includes controller more than the solar water heater water pipe, institute
It states in heat preservation header tank and is equipped with first liquid level gauge, the first switch valve, second switch valve third switch valve and the 4th switch valve
It is solenoid valve, the controller and first liquid level gauge, first switch valve, second switch valve third switch valve and the 4th switch valve
Electrical connection.
According to above-mentioned method, it is preferable that the concrete operations of the step (2) are as follows: first liquid level gauge monitors heat preservation collection
When Water in Water Tanks position reaches the setting water level upper limit, controller is sent a signal to, controller based on the received open by signal control the 4th
It closes valve to open, is connected to the water outlet for keeping the temperature header tank with terminal water nozzle, supplied water from heat preservation header tank to terminal water nozzle；
According to above-mentioned method, it is preferable that the concrete operations of the step (3) are as follows: first liquid level gauge monitors heat preservation header tank
When middle water level reaches setting water level lower limit, controller is sent a signal to, signal controls the 4th switch valve to controller based on the received
It closes, controls first switch valve and second switch valve is opened, supplied water from the water tank of solar water heater to terminal water nozzle.
Compared with prior art, the positive beneficial effect that the present invention obtains are as follows:
(1) heat preservation header tank is connected to by the present invention with the upper and lower conduit of solar water heater, and insulated water tank is positioned close to end
It holds at water nozzle, the remaining water being stored in upper and lower conduit can be collected and be entered in heat preservation header tank, and keep the temperature header tank
Water outlet is connected to terminal water nozzle, when being again turned on terminal water nozzle, be stored in heat preservation header tank in hot water can directly from
The outflow of terminal water nozzle, for users to use, had both met demand of the user to hot water, and also there is no remaining water in upper and lower conduit is direct
The phenomenon that causing water resource waste is exhausted, water resource has been saved, improves the water utilization rate of solar water heater.In addition,
Remaining water in upper and lower conduit is collected and is entered in insulated water tank, additionally it is possible to which avoiding in microthermal climate water pipe remaining water cooling from freezing ice causes
Water pipe from freezing crack.
(2) more for water consumption since the water storage tankage of solar water heater is limited, it is more concentrated with the water time
User, solar water heater are difficult to meet its use, keep the temperature header tank, intensity of solar radiation long in the sunshine-duration by setting
When big, first switch valve and third switch valve can be opened, the extra hot water that heat collector absorbs solar radiation energy heating is deposited
Storage in header tank, heat collector can make full use of more hot water at solar radiation amount heating, meet water consumption it is more, use
The water time can also be with user's normal use solar water heater compared with the dedicated family of concentration.
(3) for present invention heat preservation header tank using simply, at low cost, installation difficulty is small, can be in order to existing solar heat
Hydrophone is reequiped, and is realized the collection of remaining water in upper and lower conduit, is improved the water utilization rate of solar water heater, is had wide
General application prospect and promotional value.
Detailed description of the invention
The schematic diagram of water collection system more than the solar water pipe of the present invention of the position Fig. 1.
In figure: 1 is water tank, and 2 be second liquid level gauge, and 3 be intake-outlet, and 4 be first switch valve, and 5 be upper and lower conduit, 6
For second switch valve, 7 be hot water supply pipe, and 8 be cold water supply pipe, and 9 be terminal water nozzle, and 10 be heat preservation header tank, 11 for into
The mouth of a river, 12 be water outlet, and 13 be third switch valve, and 14 be first liquid level gauge, and 15 be resistive heater, and 16 be the 4th switch valve,
17 be controller.
Specific embodiment
Below by way of specific embodiment, the invention will be further described, but does not limit the scope of the invention.
Embodiment 1:
Water collection system more than a kind of solar water heater water pipe, including solar water heater, heat preservation header tank 10, upper and lower conduit 5,
Cold water supply pipe 8 and hot water supply pipe 7；The water tank 1 of the solar water heater is equipped with intake-outlet 3, on intake-outlet 3
Equipped with first switch valve 4, the upper end of upper and lower conduit 5 is connected to intake-outlet 3, and the end of upper and lower conduit 5 passes through three-way connection point
It is not connected to cold water supply pipe 8, hot water supply pipe 7, the end of the upper and lower conduit 5 is equipped with second switch valve 6；The cold water supplies
It is connected to 8 end of pipe with running water pipe, 7 end of hot water supply pipe is connected to terminal water nozzle 9；The heat preservation header tank 10
It is equipped with water inlet 11 and water outlet 12, the water inlet 11 is connected to by connecting tube with upper and lower conduit 5, and the water outlet 12 is logical
It crosses connecting tube to be connected to terminal water nozzle 9, the connecting tube between the water inlet 11 and upper and lower conduit 5 is equipped with third switch valve
13, the connecting tube between the water outlet 12 and terminal water nozzle is equipped with the 4th switch valve 16.
Embodiment 2:
The content of embodiment 2 is substantially the same manner as Example 1, the difference is that:
Water collection system further includes controller 17 more than the solar water heater water pipe, and the first liquid is equipped in the heat preservation header tank
Position meter 14,4 valve of first switch, second switch valve 6, third switch valve 13 and the 4th switch valve 16 are solenoid valve, described
Controller 17 is electrically connected with first liquid level gauge 14, first switch valve 4, second switch valve 6, third switch valve 13 and the 4th switch valve 16
It connects.
Embodiment 3:
The content of embodiment 3 is substantially the same manner as Example 2, the difference is that: the heat preservation header tank 10 is positioned close to
At terminal water nozzle 9, it is equipped with resistive heater 15 in the heat preservation header tank 10, is equipped with second liquid level gauge in the water tank 1
2, resistive heater 15, second liquid level gauge 2 are electrically connected with controller 17.
Embodiment 4:
A method of remaining water, which is carried out, using water collection system more than solar water heater water pipe described in embodiment 1 collects, including with
Lower step:
(1) after the water of terminal water nozzle 9, first switch valve 4 and second switch valve 6 is closed, third switch valve 13 is opened, makes
Remaining water in upper and lower conduit 5 is discharged into heat preservation header tank 10, after remaining water is all discharged into heat preservation header tank 10, is closed third and is opened
Close valve 13；
(2) when reaching the setting water level upper limit wait keep the temperature the water level in header tank 10, the 4th switch valve 16 is opened, makes to keep the temperature header tank
10 water outlet 12 is connected to terminal water nozzle 9, is supplied water from heat preservation header tank 10 to terminal water nozzle 9；It is again turned on terminal use
When the mouth of a river 9, the Yu Shuike for keeping the temperature the storage in header tank 10 directly flows out for users to use from terminal water nozzle 9；
(3) when keeping the temperature the water level in header tank 10 lower than setting water level lower limit, the 4th switch valve 16 is closed, first switch is opened
Valve 4 and second switch valve 6 are supplied water to terminal water nozzle 9 from the water tank 1 of solar water heater, are again turned on terminal water nozzle
When 9, the hot water of the storage in water tank 1 enters hot water supply pipe 7 through upper and lower conduit 5, finally from terminal water nozzle 9 flow out for
Family uses.
Embodiment 5:
It is a kind of to carry out the side that remaining water is collected using water collection system more than solar water heater water pipe described in embodiment 2 or embodiment 3
Method, comprising the following steps:
(1) terminal water nozzle 9 closes first switch valve 4 and second switch valve 6 by controller 17 with after water, opens the
Three switch valves 13, are discharged into the remaining water in upper and lower conduit 5 in heat preservation header tank 10, are all discharged into heat preservation header tank 10 to remaining water
Afterwards, third switch valve 13 is closed；
(2) when first liquid level gauge 14 monitors that water level reaches the setting water level upper limit in heat preservation header tank 10, control is sent a signal to
Device 17 processed, controller 17 based on the received signal control the 4th switch valve 16 open, make keep the temperature header tank 10 water outlet 12 with
Terminal water nozzle 9 is connected to, and is supplied water from heat preservation header tank 10 to terminal water nozzle 9；When being again turned on terminal water nozzle 9, heat preservation collection
The Yu Shuike of storage in water tank 10 directly flows out for users to use from terminal water nozzle 9；
(3) when first liquid level gauge 14 monitors that water level reaches setting water level lower limit in heat preservation header tank 10, control is sent a signal to
Device 17 processed, signal controls the closing of the 4th switch valve 16 to controller 17 based on the received, controls first switch valve 4 and second switch valve
6 open, and are supplied water from the water tank 1 of solar water heater to terminal water nozzle 9, when being again turned on terminal water nozzle 9, water tank 1
In storage hot water through upper and lower conduit 5 enter hot water supply pipe 7, finally from terminal water nozzle 9 outflow for users to use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, but is not limited only to examples detailed above, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. water collection system more than a kind of solar water heater water pipe, which is characterized in that catchment including solar water heater, heat preservation
Case, upper and lower conduit, cold water supply pipe and hot water supply pipe；The water tank of the solar water heater is equipped with intake-outlet, into
Water outlet is equipped with first switch valve, and the upper end of upper and lower conduit is connected to intake-outlet, and the end of upper and lower conduit is connected by three
Head is connected to cold water supply pipe, hot water supply pipe respectively, and the end of the upper and lower conduit is equipped with second switch valve；The cold water supplies
It is connected to pipe end with running water pipe, the hot water supply pipe end is connected to terminal water nozzle；It is set on the heat preservation header tank
There are inlet and outlet, the water inlet is connected to by connecting tube with upper and lower conduit, and the water outlet passes through connecting tube and end
Water nozzle connection is held, the connecting tube between the water inlet and upper and lower conduit is equipped with third switch valve, the water outlet and end
The connecting tube between water nozzle is held to be equipped with the 4th switch valve.
2. water collection system more than solar water heater water pipe according to claim 1, which is characterized in that the solar heat
Water collection system further includes controller more than hydrophone water pipe, and the first switch valve and second switch valve are solenoid valve, the control
Device processed is electrically connected with first switch valve, second switch valve.
3. water collection system more than solar water heater water pipe according to claim 2, which is characterized in that the heat preservation is catchmented
First liquid level gauge is equipped in case, the third switch valve and the 4th switch valve are solenoid valve, first liquid level gauge, third switch valve
It is electrically connected with the controller respectively with the 4th switch valve.
4. water collection system more than solar water heater water pipe according to claim 3, which is characterized in that the heat preservation is catchmented
Heating device is equipped in case, the heating device is electrically connected with the controller.
5. water collection system more than solar water heater water pipe according to claim 4, which is characterized in that the heating device
For resistive heater.
6. water collection system more than solar water heater water pipe according to claim 5, which is characterized in that the heat preservation is catchmented
Case is positioned close at terminal water nozzle.
7. a kind of carry out what remaining water was collected using water collection system more than any solar water heater water pipe of claim 1~6
Method, which comprises the following steps:
(1) after terminal water nozzle water, first switch valve and second switch valve are closed, opens third switch valve, is made up and down
Remaining water in water pipe is discharged into heat preservation header tank, after remaining water is all discharged into heat preservation header tank, closes third switch valve；
(2) when the water level wait keep the temperature in header tank reaches the setting water level upper limit, the 4th switch valve is opened, makes to keep the temperature going out for header tank
The mouth of a river is connected to terminal water nozzle, is supplied water from heat preservation header tank to terminal water nozzle；
(3) wait keep the temperature the water level in header tank lower than setting water level lower limit when, close the 4th switch valve, open first switch valve and
Second switch valve is supplied water from the water tank of solar water heater to terminal water nozzle.
8. the method according to the description of claim 7 is characterized in that water collection system also wraps more than the solar water heater water pipe
Include controller, be equipped with first liquid level gauge in the heat preservation header tank, the first switch valve, second switch valve third switch valve and
4th switch valve is solenoid valve, the controller and first liquid level gauge, first switch valve, second switch valve third switch valve and
The electrical connection of 4th switch valve.
9. according to the method described in claim 8, it is characterized in that, the concrete operations of the step (2) are as follows: first liquid level gauge prison
When measuring that water level reaches the setting water level upper limit in heat preservation header tank, controller is sent a signal to, controller signal based on the received
The unlatching of the 4th switch valve is controlled, is connected to the water outlet for keeping the temperature header tank with terminal water nozzle, is used from heat preservation header tank to terminal
It supplies water at the mouth of a river；
The concrete operations of the step (3) are as follows: first liquid level gauge monitors that water level reaches setting water level lower limit in heat preservation header tank
When, send a signal to controller, signal controls the 4th switch valve and closes controller based on the received, controls first switch valve and the
Two switch valves are opened, and are supplied water from the water tank of solar water heater to terminal water nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470234.5A CN110186205A (en) | 2019-05-31 | 2019-05-31 | Water collection system and remaining water collection method more than a kind of solar water heater water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910470234.5A CN110186205A (en) | 2019-05-31 | 2019-05-31 | Water collection system and remaining water collection method more than a kind of solar water heater water pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110186205A true CN110186205A (en) | 2019-08-30 |
Family
ID=67719527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910470234.5A Pending CN110186205A (en) | 2019-05-31 | 2019-05-31 | Water collection system and remaining water collection method more than a kind of solar water heater water pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110186205A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885309U (en) * | 2010-10-30 | 2011-06-29 | 邓勇 | High-efficiency, water-saving pipeline system |
| CN201903189U (en) * | 2010-07-23 | 2011-07-20 | 赵丙新 | Solar water heater |
| CN206609174U (en) * | 2017-04-12 | 2017-11-03 | 李怡诺 | A kind of full-automatic energy-saving solar water heater system |
-
2019
- 2019-05-31 CN CN201910470234.5A patent/CN110186205A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201903189U (en) * | 2010-07-23 | 2011-07-20 | 赵丙新 | Solar water heater |
| CN201885309U (en) * | 2010-10-30 | 2011-06-29 | 邓勇 | High-efficiency, water-saving pipeline system |
| CN206609174U (en) * | 2017-04-12 | 2017-11-03 | 李怡诺 | A kind of full-automatic energy-saving solar water heater system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207050245U (en) | A kind of anti-freeze solar hot-water heating system applied to rural area | |
| CN201083433Y (en) | Solar energy combined heat pump hot water supplying energy-saving apparatus | |
| CN201116786Y (en) | Vacuum pipe directly inserting type pressure-bearing solar energy water-heating system | |
| CN101476781B (en) | Intelligent heating solar water heater | |
| CN101149190A (en) | Vacuum tube direct-insertion type solar hot water system | |
| CN110186205A (en) | Water collection system and remaining water collection method more than a kind of solar water heater water pipe | |
| CN208282236U (en) | A kind of heating system | |
| CN201177395Y (en) | Rod type dual vacuum pipe solar water heater | |
| CN205783898U (en) | A kind of micro power solar water heating system | |
| CN209042779U (en) | A kind of solar heat water heating system | |
| CN209431689U (en) | A kind of cistern device in water system | |
| CN208238282U (en) | A kind of water heater water-saving temp control device | |
| CN206739652U (en) | A kind of solar water heater of Intelligent anti-freezing | |
| CN202792560U (en) | Constant temperature output device of water storage type water heater | |
| CN208154851U (en) | A kind of intersection linkage heat supplying pipeline system | |
| CN201903188U (en) | Double-water tank solar water heater | |
| CN201837111U (en) | Pipeline exhaust water tank adopting exhaust valve | |
| CN208983650U (en) | Water storage systems more than solar water heater water pipe | |
| CN208832574U (en) | A kind of solar electrothermal energy storage heating all-in-one machine | |
| CN202403419U (en) | Photoelectric complementary solar water heater | |
| CN106016439A (en) | Central hot water recycling system | |
| CN208735947U (en) | A kind of villa type solar water heater system | |
| CN2423547Y (en) | Solar electric water heater with abnormal-shaped metal heat collecting pipe | |
| CN216977179U (en) | Heating device of constant-temperature water purifier | |
| CN2429793Y (en) | Siphon frozenproof solar water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190830 |
|
| RJ01 | Rejection of invention patent application after publication |