CN213020361U - Novel grading solar water heater - Google Patents
Novel grading solar water heater Download PDFInfo
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- CN213020361U CN213020361U CN202021998733.6U CN202021998733U CN213020361U CN 213020361 U CN213020361 U CN 213020361U CN 202021998733 U CN202021998733 U CN 202021998733U CN 213020361 U CN213020361 U CN 213020361U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 239
- 238000005338 heat storage Methods 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a novel grading solar water heater, which comprises a vacuum tube, a quick heating tank, a primary heat storage water tank, a secondary heat storage water tank, a first temperature control valve and a second temperature control valve; a plurality of vacuum tubes are uniformly and vertically arranged on the side surface of one side of the quick heating box at intervals, one ends of the vacuum tubes horizontally and vertically extend into the quick heating box respectively, and heat is transferred to water in the quick heating box; a first-stage heat storage water tank is horizontally attached to the lower side of the other side of the quick heating tank in parallel, and the first-stage heat storage water tank and the quick heating tank are communicated in a sealing mode through a first temperature control valve; the second-stage heat storage water tank is horizontally attached to the upper side of the side face of the other side of the quick heating tank in parallel, is horizontally attached to the upper surface of the first-stage heat storage water tank, and is communicated with the first-stage heat storage water tank in a sealing mode through a second temperature control valve. The utility model discloses a hierarchical heating method many times in a small amount can obtain the hot water of the required service temperature of user fast, has improved solar water heater at the not good rate of utilization of weather condition.
Description
Technical Field
The utility model relates to a water heater, concretely relates to novel hierarchical solar water heater.
Background
At present, solar water heaters widely used store water and heat water through a single large water tank. Under the condition of poor weather, the solar energy is insufficient, so that the solar water heater can only heat the water in the water tank to a lower temperature and cannot reach the water temperature which can be used under the weather condition; and because the part of heat can not be used, the solar energy absorbed by the whole water tank can be wasted due to heat dissipation, so the solar water heater can not be normally used under the condition of bad weather.
Under the condition that the weather conditions are poor and hot water is needed more, the solar water heater cannot provide usable hot water, and the matching degree of the solar water heater and the hot water is extremely low. Therefore, the above problems need to be solved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a novel hierarchical solar water heater, adopt a small amount of a lot of hierarchical heating methods many times, heat a small amount of water to the hot water temperature that can supply to use and store at every turn to obtain the hot water that can reach user's use temperature fast, make solar water heater still can exert under the not good condition of weather condition.
In order to solve the technical problem, the utility model discloses take following technical scheme: the utility model discloses a novel hierarchical solar water heater, its innovation point lies in: the system comprises a vacuum tube, a quick heating tank, a primary heat storage water tank, a secondary heat storage water tank, a first temperature control valve and a second temperature control valve; the quick heating box is vertically arranged, a plurality of vacuum tubes are uniformly and horizontally and vertically arranged on one side surface of the quick heating box at intervals, one end of each vacuum tube horizontally and vertically extends into the quick heating box, and water in the quick heating box is heated through heat transfer; a first-stage heat storage water tank is horizontally attached to the lower side of the other side of the quick heating tank in parallel, and the first-stage heat storage water tank and the quick heating tank are communicated in a sealing mode through a first temperature control valve; the horizontal laminating of the opposite side upper position of fast hot case still is equipped with second grade heat storage water tank side by side, second grade heat storage water tank horizontal laminating sets up the upper surface of one-level heat storage water tank, and through the second temperature-sensing valve with the sealed intercommunication of one-level heat storage water tank.
Preferably, each vacuum tube comprises an upper vacuum tube and a lower vacuum tube, each upper vacuum tube and each lower vacuum tube are horizontally arranged in parallel, and each upper vacuum tube and the corresponding lower vacuum tube are arranged in a staggered manner at intervals.
Preferably, the device further comprises a side plate; the two sides in the quick heating box are also vertically and symmetrically provided with side plates, the two side plates are rectangular structures matched with the inside of the quick heating box, each side plate is arranged in parallel with the corresponding vacuum tube, and the end surfaces of the four sides of each side plate are fixedly connected with the inner wall of the quick heating box.
Preferably, the automatic water replenishing device also comprises a flow guide pipe, a first electromagnetic valve and an automatic water replenishing tank; a plurality of flow guide pipes are sequentially arranged between the two side plates at intervals horizontally and vertically from top to bottom, each flow guide pipe is of a horizontally arranged hollow cylindrical structure, and two ends of each flow guide pipe horizontally and vertically extend out of the two side plates respectively; the adjacent two ends of the upper and lower adjacent honeycomb ducts are respectively communicated in a staggered and sealed manner and integrally formed, and a vertically arranged serpentine structure is formed; the other end of the uppermost honeycomb duct vertically extends upwards to the upper surface of the quick heating box and is communicated with a water outlet of the automatic water replenishing box in a sealing way through a first electromagnetic valve; the other end of the lowest honeycomb duct horizontally and vertically extends out of the quick heating tank respectively and is communicated with a water inlet of the first-stage heat storage water tank in a sealing mode through a first temperature control valve.
Preferably, a sealing gasket is horizontally and fixedly arranged at the joint of the other end of the uppermost draft tube and the quick heating box, is of a circular ring structure matched with the corresponding draft tube, and is fixedly connected with the quick heating box in an embedded manner; the other end of the uppermost flow guide pipe is in sealed sleeve joint with the quick heating box through a sealing gasket.
Preferably, each of the upper vacuum tube and the lower vacuum tube is sequentially and horizontally arranged along the length direction of the flow guide tube at intervals, and one end of each of the upper vacuum tube and one end of each of the lower vacuum tube are sequentially staggered up and down to extend into the flow guide tube and are respectively fixedly connected with the inner side wall of the flow guide tube.
Preferably, the temperature control device further comprises a first hot water pipe, a second hot water pipe and a first temperature regulating valve; one end of the first hot water pipe is communicated with the water outlet of the primary heat storage water tank in a sealing manner, and one end of the second hot water pipe is communicated with the water outlet of the secondary heat storage water tank in a sealing manner; the other end of the first hot water pipe and the other end of the second hot water pipe are respectively communicated with the water inlet end of the first temperature regulating valve in a sealing mode.
Preferably, the temperature control device also comprises a tap water pipe, a second temperature control valve and a second electromagnetic valve; the water outlet end of the tap water pipe and the water outlet end of the first temperature regulating valve are respectively communicated with the water inlet end of the second temperature regulating valve in a sealing mode, and the water outlet end of the tap water pipe is communicated with the water inlet end of the automatic water replenishing tank in a sealing mode and is communicated with the interior of the secondary heat storage water tank in a sealing mode through a second electromagnetic valve.
Preferably, when the temperature of the water at the first temperature control valve reaches 45 ℃, the first temperature control valve is opened.
Preferably, the second temperature control valve is opened when the water temperature at the second temperature control valve reaches 65 ℃.
The utility model has the advantages that:
(1) the utility model further enhances the matching with the weather condition on the premise of realizing the function of the prior solar water heater; a small amount of water is heated to the temperature of hot water available for use and stored each time in a small amount of multiple graded heating modes, so that the hot water reaching the use temperature of a user can be quickly obtained, and the solar water heater can still play a role under the condition of poor weather conditions;
(2) the utility model discloses well second grade heat storage water tank not only can regard as heat storage water tank confession user to use, can regard as hot water in the one-level heat storage water tank to blend the water tank and use simultaneously under certain conditions, compare in the cold water in the water supply line, the temperature of second grade heat storage water tank normal water more approaches the hot water temperature that can supply the user to use, blend with the hot water of one-level heat storage water tank, the quantity of hot water in the one-level heat storage water tank has been saved, thereby thermal waste has been avoided, and the messenger's energy obtains the maximize utilization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a novel grading solar water heater of the present invention.
Fig. 2 is a schematic view of the internal structure of the heat box of fig. 1.
Wherein, 1-vacuum tube; 2-automatic water replenishing tank; 3-quick heating box; 4-first-stage heat storage water tank; 5-a secondary heat storage water tank; 6-a first temperature control valve; 7-a second temperature control valve; 8-a first hot water pipe; 9-a second hot water pipe; 10-a first temperature regulating valve; 11-a second thermostatic valve; 12-a tap water pipe; 13-a first solenoid valve; 14-a second solenoid valve; 31-side plate; 32-a flow guide pipe; 33-a gasket; 34-upper vacuum tube; 35-lower vacuum tube.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
The utility model relates to a novel grading solar water heater, which comprises a vacuum tube 1, a quick heating tank 3, a primary heat storage water tank 4, a secondary heat storage water tank 5, a first temperature control valve 6 and a second temperature control valve 7; the specific structure is as shown in fig. 1 and fig. 2, the quick heating box 3 is vertically arranged, a plurality of vacuum tubes 1 are uniformly and horizontally and vertically arranged on one side surface of the quick heating box at intervals, one end of each vacuum tube 1 horizontally and vertically extends into the quick heating box 3, and water in the quick heating box 3 is heated through heat transfer; each vacuum tube 1 comprises an upper vacuum tube 34 and a lower vacuum tube 35, each upper vacuum tube 34 and each lower vacuum tube 35 are horizontally arranged in parallel, and each upper vacuum tube 34 and the corresponding lower vacuum tube 35 are arranged in a staggered manner.
The utility model is also provided with side plates 31 vertically and symmetrically at two sides of the interior of the quick heating box 3, and the two side plates 31 are rectangular structures matched with the interior of the quick heating box 3; as shown in fig. 1 and 2, each side plate 31 is disposed parallel to the corresponding vacuum tube 1, and the peripheral end surfaces thereof are fixedly connected to the inner wall of the rapid heating chamber 3.
As shown in fig. 1 and 2, a plurality of flow guide pipes 32 are sequentially arranged between the two side plates 31 from top to bottom at horizontal and vertical intervals, each flow guide pipe 32 is a horizontally arranged hollow cylinder structure, and two ends of each flow guide pipe horizontally and vertically extend out of the two side plates 31; the adjacent two ends of the upper and lower two adjacent draft tubes 32 are respectively communicated in a staggered and sealed way and integrally formed, and a vertically arranged serpentine structure is formed; the other end of the uppermost draft tube 32 vertically extends upwards to the upper surface of the quick heating box 3 and is communicated with the water outlet of the automatic water replenishing box 2 in a sealing way through a first electromagnetic valve 13; the other end of the lowest honeycomb duct 32 horizontally and vertically extends out of the quick heating tank 3 respectively and is communicated with the water inlet of the first-stage heat storage water tank 4 in a sealing way through the first temperature control valve 6. Wherein, a sealing gasket 33 is horizontally and fixedly arranged at the joint of the other end of the uppermost draft tube 32 and the quick heating box 3, and the sealing gasket 33 is of a circular ring structure matched with the corresponding draft tube 32 and is fixedly connected with the quick heating box 3 in an embedded manner; the other end of the uppermost draft tube 32 is hermetically sleeved with the quick heating box 3 through a sealing gasket 33.
As shown in fig. 1 and 2, each of the upper vacuum tubes 34 and the lower vacuum tubes 35 is sequentially and horizontally arranged along the length direction of the flow guide tube 32 at intervals, and one end of each of the upper vacuum tubes 34 and one end of each of the lower vacuum tubes 35 are sequentially extended into the flow guide tube 32 in a vertically staggered manner and are respectively fixedly connected with the inner side wall of the flow guide tube 32; the upper vacuum pipe 34 and the lower vacuum pipe 35 are arranged in a vertically staggered manner, so that water in the guide pipe 32 can flow diffusely, and the heat transfer time with the vacuum pipe 1 is prolonged.
The utility model is also horizontally and parallelly laminated with a primary heat storage water tank 4 at the lower position of the other side of the quick heating tank 3, and the two are hermetically communicated through a first temperature control valve 6; as shown in fig. 1 and 2, a secondary heat storage water tank 5 is horizontally attached to the upper side of the other side of the quick heating tank 3 in parallel, and the secondary heat storage water tank 5 is horizontally attached to the upper surface of the primary heat storage water tank 4 and is in sealed communication with the primary heat storage water tank 4 through a second temperature control valve 7; wherein, when the water temperature at the first temperature control valve 6 reaches 45 ℃, the first temperature control valve 6 is opened; when the water temperature at the second temperature control valve 7 reaches 65 ℃, the second temperature control valve 7 is opened.
As shown in fig. 1 and 2, one end of a first hot water pipe 8 is in sealed communication with a water outlet of the primary heat storage water tank 4, and one end of a second hot water pipe 9 is in sealed communication with a water outlet of the secondary heat storage water tank 5; the other end of the first hot water pipe 8 and the other end of the second hot water pipe 9 are respectively communicated with the water inlet end of the first temperature regulating valve 10 in a sealing way.
As shown in fig. 1 and 2, the water outlet end of the tap water pipe 12 and the water outlet end of the first temperature regulating valve 10 are respectively in sealed communication with the water inlet end of the second temperature regulating valve 11, and the water outlet end of the tap water pipe 12 is in sealed communication with the water inlet end of the automatic water replenishing tank 2 and is in sealed communication with the inside of the secondary heat storage water tank 5 through the second electromagnetic valve 14.
The vacuum tube 1 with a fixed area per unit time of the utility model absorbs a certain amount of heat, and the vacuum tube 1 with a large area heats a small amount of water for a plurality of times, so that the solar water heater can obtain a part of high-quality hot water for users to use under the condition of poor weather conditions; therefore, the condition that the temperature of the water cannot reach the lowest value of the expected required water temperature although the whole tank of water is directly heated by the conventional solar water heater is avoided, the waste of solar energy resources is effectively reduced, and the aim of saving energy is fulfilled.
The utility model discloses a theory of operation:
(1) under the condition of poor weather conditions, the vacuum tube 1 receives solar energy and heats water in the flow guide tube 32 through heat transfer; because the amount of water in the draft tube 32 is small, the minimum value of 45 ℃ of the required temperature can be reached quickly; then the first temperature control valve 6 is opened, and the hot water in the diversion pipe 32 enters the primary heat storage water tank 4; meanwhile, the automatic water replenishing tank 2 automatically injects cold water into the flow guide pipe 32, so that the water temperature in the flow guide pipe 32 gradually drops, and when the hot water at the first temperature control valve 6 is lower than 45 ℃, the first temperature control valve 6 is automatically closed; then the vacuum tube 1 heats the water in the draft tube 32 again until the temperature reaches 45 ℃, the first temperature control valve 6 is opened again, and the process is repeated;
(2) when the solar energy is not enough to enable the water in the heat conduction pipe 32 and the primary heat storage water tank 4 to reach 65 ℃, the second temperature control valve 7 is continuously closed, and then a user can use hot water reaching above 45 ℃ in the primary heat storage water tank 4 by opening the first temperature regulating valve 10 and the second temperature regulating valve 11;
(3) when the water in the primary heat storage water tank 4 is heated to 65 ℃, the second temperature control valve 7 is opened, hot water at the temperature of more than 65 ℃ exchanges heat with cold water in the secondary heat storage water tank 5, and the water in the secondary heat storage water tank 5 is heated; when the hot water at the second temperature control valve 7 is lower than 65 ℃, the second temperature control valve 7 is closed automatically until the temperature is increased to 65 ℃ again, and the operation is repeated; then, by opening the first temperature regulating valve 10 and the second temperature regulating valve 11, a user can use hot water reaching more than 65 ℃ in the primary heat storage water tank 4 or the secondary heat storage water tank 5;
(4) when the hot water in the secondary heat storage water tank 5 does not reach 65 ℃, the hot water in the primary heat storage water tank 4 can be selected to be used, and the low-quality water (for example, the temperature of the water reaches about 30 ℃) in the secondary heat storage water tank 5 is used as the blending water when the hot water in the primary heat storage water tank 4 is used through the first temperature regulating valve 10, compared with the cold water used as the blending water, the consumption of the hot water in the primary heat storage water tank 4 is saved, the waste of heat is avoided, and meanwhile, the heat in the secondary heat storage water tank 5 is utilized to the maximum degree.
The utility model has the advantages that:
(1) the utility model further enhances the matching with the weather condition on the premise of realizing the function of the prior solar water heater; a small amount of water is heated to the temperature of hot water available for use and stored each time in a small amount of multiple graded heating modes, so that the hot water reaching the use temperature of a user can be quickly obtained, and the solar water heater can still play a role under the condition of poor weather conditions;
(2) the utility model discloses well second grade heat storage water tank 5 not only can regard as heat storage water tank confession user to use, can regard as hot water to blend the water tank and use in one-level heat storage water tank 4 under certain conditions simultaneously, compare in the cold water in the water pipe, the temperature of water more is close to the hot water temperature that can supply the user to use in second grade heat storage water tank 5, blend with the hot water of one-level heat storage water tank 4, hot water's quantity in the one-level heat storage water tank 4 has been saved, thereby thermal waste has been avoided, and the messenger's energy obtains the maximize and utilizes.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (10)
1. The utility model provides a novel hierarchical solar water heater which characterized in that: the system comprises a vacuum tube, a quick heating tank, a primary heat storage water tank, a secondary heat storage water tank, a first temperature control valve and a second temperature control valve; the quick heating box is vertically arranged, a plurality of vacuum tubes are uniformly and horizontally and vertically arranged on one side surface of the quick heating box at intervals, one end of each vacuum tube horizontally and vertically extends into the quick heating box, and water in the quick heating box is heated through heat transfer; a first-stage heat storage water tank is horizontally attached to the lower side of the other side of the quick heating tank in parallel, and the first-stage heat storage water tank and the quick heating tank are communicated in a sealing mode through a first temperature control valve; the horizontal laminating of the opposite side upper position of fast hot case still is equipped with second grade heat storage water tank side by side, second grade heat storage water tank horizontal laminating sets up the upper surface of one-level heat storage water tank, and through the second temperature-sensing valve with the sealed intercommunication of one-level heat storage water tank.
2. A novel graded solar water heater according to claim 1, characterized in that: each vacuum tube comprises an upper vacuum tube and a lower vacuum tube, each upper vacuum tube and each lower vacuum tube are horizontally arranged in parallel, and each upper vacuum tube is arranged in a vertically staggered mode at intervals corresponding to the lower vacuum tube.
3. A novel graded solar water heater according to claim 2, characterized in that: also comprises a side plate; the two sides in the quick heating box are also vertically and symmetrically provided with side plates, the two side plates are rectangular structures matched with the inside of the quick heating box, each side plate is arranged in parallel with the corresponding vacuum tube, and the end surfaces of the four sides of each side plate are fixedly connected with the inner wall of the quick heating box.
4. A novel graded solar water heater according to claim 3, characterized in that: the automatic water replenishing device also comprises a flow guide pipe, a first electromagnetic valve and an automatic water replenishing tank; a plurality of flow guide pipes are sequentially arranged between the two side plates at intervals horizontally and vertically from top to bottom, each flow guide pipe is of a horizontally arranged hollow cylindrical structure, and two ends of each flow guide pipe horizontally and vertically extend out of the two side plates respectively; the adjacent two ends of the upper and lower adjacent honeycomb ducts are respectively communicated in a staggered and sealed manner and integrally formed, and a vertically arranged serpentine structure is formed; the other end of the uppermost honeycomb duct vertically extends upwards to the upper surface of the quick heating box and is communicated with a water outlet of the automatic water replenishing box in a sealing way through a first electromagnetic valve; the other end of the lowest honeycomb duct horizontally and vertically extends out of the quick heating tank respectively and is communicated with a water inlet of the first-stage heat storage water tank in a sealing mode through a first temperature control valve.
5. The novel graded solar water heater according to claim 4, characterized in that: a sealing gasket is horizontally and fixedly arranged at the joint of the other end of the uppermost honeycomb duct and the quick heating box, is of a circular ring structure matched with the corresponding honeycomb duct and is fixedly connected with the quick heating box in an embedded manner; the other end of the uppermost flow guide pipe is in sealed sleeve joint with the quick heating box through a sealing gasket.
6. The novel graded solar water heater according to claim 4, characterized in that: each upper vacuum tube and each lower vacuum tube are sequentially arranged horizontally at intervals along the length direction of the guide tube, and one end of each upper vacuum tube and one end of each lower vacuum tube are sequentially staggered from top to bottom to extend into the guide tube and are respectively fixedly connected with the inner side wall of the guide tube.
7. The novel graded solar water heater according to claim 4, characterized in that: the water heater also comprises a first hot water pipe, a second hot water pipe and a first temperature regulating valve; one end of the first hot water pipe is communicated with the water outlet of the primary heat storage water tank in a sealing manner, and one end of the second hot water pipe is communicated with the water outlet of the secondary heat storage water tank in a sealing manner; the other end of the first hot water pipe and the other end of the second hot water pipe are respectively communicated with the water inlet end of the first temperature regulating valve in a sealing mode.
8. A novel graded solar water heater according to claim 7, characterized in that: the temperature control device also comprises a tap water pipe, a second temperature regulating valve and a second electromagnetic valve; the water outlet end of the tap water pipe and the water outlet end of the first temperature regulating valve are respectively communicated with the water inlet end of the second temperature regulating valve in a sealing mode, and the water outlet end of the tap water pipe is communicated with the water inlet end of the automatic water replenishing tank in a sealing mode and is communicated with the interior of the secondary heat storage water tank in a sealing mode through a second electromagnetic valve.
9. A novel graded solar water heater according to claim 1, characterized in that: and when the water temperature at the first temperature control valve reaches 45 ℃, the first temperature control valve is opened.
10. A novel graded solar water heater according to claim 1, characterized in that: and when the water temperature at the second temperature control valve reaches 65 ℃, the second temperature control valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998733.6U CN213020361U (en) | 2020-09-14 | 2020-09-14 | Novel grading solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998733.6U CN213020361U (en) | 2020-09-14 | 2020-09-14 | Novel grading solar water heater |
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| Publication Number | Publication Date |
|---|---|
| CN213020361U true CN213020361U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021998733.6U Active CN213020361U (en) | 2020-09-14 | 2020-09-14 | Novel grading solar water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN213020361U (en) |
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2020
- 2020-09-14 CN CN202021998733.6U patent/CN213020361U/en active Active
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