CN209819674U - Solar energy and heat pump combined water heater - Google Patents
Solar energy and heat pump combined water heater Download PDFInfo
- Publication number
- CN209819674U CN209819674U CN201920628692.2U CN201920628692U CN209819674U CN 209819674 U CN209819674 U CN 209819674U CN 201920628692 U CN201920628692 U CN 201920628692U CN 209819674 U CN209819674 U CN 209819674U
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- water
- water tank
- heat pump
- solar
- pipe
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The utility model relates to a solar energy and heat pump combined water heater, which comprises a solar heater, a first water tank connected with the solar heater through a first circulation pipeline, an air energy heat pump and a second water tank, wherein the second water tank is connected with the air energy heat pump through a second circulation pipeline; the second water tank is connected with a hot water outlet pipe for supplying hot water to users. The air energy heat pump does not need to heat water in the first water tank, so that the water in the first water tank is kept at a relatively low temperature, the solar energy is fully utilized for heating, the solar energy heating efficiency is improved, and the purposes of saving energy and reducing consumption are achieved.
Description
Technical Field
The utility model relates to a water heater technical field, concretely relates to water heater is united with heat pump to solar energy.
Background
The traditional solar water heater mainly heats through a solar system, the heating mode is single, the heating effect is poor in rainy days, and the water temperature cannot meet the needs of people.
The utility model discloses a grant utility model patent of publication No. CN208458287U discloses a double-effect source solar heat pump water heater, and this water heater includes a solar water tank of being connected with solar collector, and solar water tank is connected with the air energy heat pump through the connecting pipe. In rainy days, the air energy heat pump can assist in heating, and hot water requirements of people in life are met. However, because the solar heater and the air-source heat pump are both connected to the same water tank, when the air-source heat pump is used for heating water in the water tank in rainy days, on one hand, the water tank has larger volume, so that more heat is needed to heat the water to the required temperature, and the air-source heat pump consumes more energy; on the other hand, when the water in the water tank is heated by the heat pump, the efficiency of absorbing solar energy is lowered, and the solar energy cannot be fully utilized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water heater is united with heat pump to solar energy to reduce the energy consumption of air energy heat pump, make full use of solar energy heats.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the solar energy and heat pump combined water heater comprises a solar energy heater, a first water tank, an air energy heat pump and a second water tank, wherein the first water tank is connected with the solar energy heater through a first circulating pipeline; the second water tank is connected with a hot water outlet pipe for supplying hot water to users.
Furthermore, the first circulation pipeline comprises a first water pipe connected between a first water outlet of the first water tank and a water inlet of the solar heater and a second water pipe connected between a first water return port of the first water tank and a water outlet of the solar heater, a first water pump is arranged on the first water pipe, the first water outlet is located at the bottom of the first water tank, the first water return port is located at the upper portion of the first water tank, and a cold water inlet pipe is further arranged at the upper portion of the first water tank.
Furthermore, the hot water inlet pipe is connected with a second water pipe, and the valve is arranged at the joint and adopts a two-position three-way valve.
Furthermore, the second circulating pipeline comprises a third water pipe connected between a second water outlet of the second water tank and an inlet of the air energy heat pump and a fourth water pipe connected between a second water return port of the second water tank and an outlet of the air energy heat pump, and a second water pump is arranged on the third water pipe.
Furthermore, a standby water pipe is connected between the third water pipe and the first water tank, a two-position three-way valve is arranged at the joint of the standby water pipe and the third water pipe, and a ball valve is further arranged on the standby water pipe.
Further, liquid level sensors are arranged in the first water tank and the second water tank.
Further, the volume of the second water tank is smaller than that of the first water tank.
The utility model has the advantages that: the utility model discloses a water heater sets up two water tanks of first water tank and second water tank, when solar energy heats not enough and leads to the temperature can not satisfy the needs, start the air energy heat pump, the air energy heat pump only needs the water in the heating second water tank, has avoided the water in the first water tank of air energy heat pump heating to make the water in the first water tank keep at relative lower temperature, be favorable to make full use of solar energy heating, improve solar heating efficiency, thereby reach energy saving and consumption reduction's purpose.
Drawings
Fig. 1 is a schematic view of embodiment 1 of the present invention;
fig. 2 is a schematic diagram of embodiment 2 of the present invention;
fig. 3 is a schematic diagram of embodiment 3 of the present invention.
Names corresponding to the marks in the figure: 1. the solar water heater comprises a first water tank, a second water tank, a blowdown valve, a third water tank, a fourth water tank, a fifth water tank, a sixth water tank, a seventh water tank, a sixth water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention. The terms "first" and "second" used in the embodiments are merely used to distinguish different components.
Embodiment 1 of the utility model:
as shown in fig. 1, the solar energy and heat pump combined water heater comprises a solar energy heater, a first water tank 1 connected with the solar energy heater through a first circulation pipeline, an air energy heat pump 18 and a second water tank 22, wherein the second water tank 22 is connected with the air energy heat pump 18 through a second circulation pipeline. The solar heater uses a solar array of tubes 7. The volume of the second tank 22 is smaller than that of the first tank 1.
The first circulation pipeline comprises a first water pipe 6 connected between a first water outlet a of the first water tank 1 and a water inlet of the solar tube bank 7 and a second water pipe 9 connected between a first water return port c of the first water tank 1 and a water outlet d of the solar tube bank 7. The first water pipe 6 is provided with a first ball valve 3, a first water pump 4 and a first water flow switch 5. The first water outlet a is positioned at the bottom of the first water tank 1, and the first water return port c is positioned at the upper part of the first water tank 1.
The second water pipe 9 is connected with a hot water inlet pipe 24, and a valve is arranged at the joint and adopts a first two-position three-way valve 8. The first two-position three-way valve 8 has a first station where the water of the first tank 1 circulates in the first circulation circuit and a second station where the water of the solar bank of tubes 7 supplies the second tank 22 with hot water.
The upper portion of the first water tank 1 is further provided with a cold water inlet pipe 10, and normal temperature water such as tap water is supplied to the first water tank 1 through the cold water inlet pipe 10. The cold water inlet pipe 10 is provided with a first electromagnetic valve 11 for controlling the on-off of water flow.
The second circulation pipeline comprises a third water pipe 17 connected between a second water outlet e of the second water tank 22 and an inlet of the air-source heat pump 18 and a fourth water pipe 25 connected between a second water return port f of the second water tank 22 and an outlet of the air-source heat pump 18, and a second water pump 16 and a second water flow switch 15 are arranged on the third water pipe 17. The second water outlet e is located at the bottom of the second water tank 22, and the second water return port f is located at the upper part of the second water tank 22.
A standby water pipe is also connected between the third water pipe 17 and the first water tank 1, a second two-position three-way valve 14 is arranged at the joint of the standby water pipe and the third water pipe 17, and the second two-position three-way valve 14 is generally in a state of communicating the second water tank 22 with the air energy heat pump 18. And a second ball valve 13 is also arranged on the standby water pipe.
The second water tank 22 is connected to a hot water outlet pipe 19 for supplying hot water to a user, and the hot water outlet pipe 19 is provided with a third water pump 20, a third flow switch 21 and a plurality of water terminals, such as a faucet in a kitchen of the user, a faucet in a bathroom and a shower head.
The tail end of the hot water outlet pipe 19 is connected to the second water tank 22 to realize water return. And the end of the hot water outlet pipe 19 is connected with an adjusting valve 29 for adjusting the water pressure. If one user uses hot water, the regulating valve 29 is opened more, and if a plurality of users use hot water simultaneously, the regulating valve 29 is opened less.
A first liquid level sensor 12 and a second liquid level sensor 23 are respectively arranged in the first water tank 1 and the second water tank 22, water adding is started when the liquid level in the water tanks is lower than a set lower limit, and water adding is stopped when the liquid level is higher than the set upper limit.
The utility model discloses solar energy and heat pump unite water heater's principle as follows:
under normal conditions, the first ball valve 3 is opened, the second ball valve 13 is closed, and the first two-position three-way valve 8 is positioned at a first station; the water in the first water tank 1 circulates in the first circulation pipeline and is heated by the solar tube bank 7. When the temperature of the water outlet of the solar tube bank 7 meets the water inlet temperature (set by a user) of the second water tank 22, the first two-position three-way valve 8 is positioned at the second station, the solar tube bank 7 and the second water tank 22 are connected, so that hot water is supplied to the second water tank 22, and the second water tank 22 stores the hot water for the user to use. If the temperature of the water outlet of the solar tube bank 7 does not meet the use requirement, water is circulated between the first water tank 1 and the solar tube bank 7 all the time. When the water temperature of the second water tank 22 does not meet the user requirement due to rainy weather or other conditions, the air-source heat pump 18 is started, the water in the second water tank 22 circulates through the second circulation pipeline and is heated by the air-source heat pump 18, so that the water temperature is increased, and the user requirement is met. The hot water from the second water tank 22 is finally mixed with a mixing faucet or a mixing valve of a user to adjust the temperature of the water to a suitable temperature.
When the first two-position three-way valve 8 or other links have faults and water cannot be normally supplied to the second water tank 22, the spare water pipe can be started in an emergency, namely the second ball valve 13 is opened, the second two-position three-way valve 14 is communicated with the first water tank 1 and the second water tank 22, and the second water pump 16 is used for conveying the water in the first water tank 1 to the second water tank 22.
The water heater of the utility model is provided with two water tanks with different volumes, which avoids the air energy heat pump 18 heating the water in the first water tank 1, thereby keeping the water in the first water tank 1 at a relatively low temperature, which is beneficial to fully utilizing the solar energy for heating; the first water tank 1 has a large volume and can absorb more solar energy. And the air energy heat pump 18 only needs to heat the water in the second water tank 22 with smaller volume, so that the water is heated quickly, thereby saving energy.
The lower parts of the first water tank 1 and the second water tank 22 are also provided with a drain valve 2 for cleaning the water tanks regularly.
Embodiment 2 of the utility model:
as shown in fig. 2, this embodiment is different from embodiment 1 in that a spare water pipe and a second two-position three-way valve at a connection point with a third water pipe are not provided in this embodiment.
Embodiment 3 of the utility model:
as shown in fig. 3, the present embodiment is different from embodiment 1 in that the first two-position three-way valve at the connection of the second water pipe 9 and the hot water inlet pipe 24 is not provided, but a three-way joint 27 is provided at the connection, and a second electromagnetic valve 26 is provided on the hot water inlet pipe 24, and the second electromagnetic valve 26 controls the on/off of the hot water supplied to the second water tank 22. Meanwhile, a third electromagnetic valve 28 is arranged on the second water pipe 9 to control the on-off of the second water pipe 9. When the water in the first water tank 1 circulates in the first circulation pipeline, the third electromagnetic valve 28 is opened, and the second electromagnetic valve 26 is closed; when the water temperature at the water outlet of the solar tube bank 7 reaches a set value and hot water is supplied to the second water tank 22, the second electromagnetic valve 26 is opened, and the third electromagnetic valve 28 is closed.
Claims (7)
1. Solar energy and heat pump unite water heater, its characterized in that: the solar water heater comprises a solar heater, a first water tank, an air energy heat pump and a second water tank, wherein the first water tank is connected with the solar heater through a first circulating pipeline; the second water tank is connected with a hot water outlet pipe for supplying hot water to users.
2. The solar and heat pump combined water heater according to claim 1, wherein: the first circulation pipeline comprises a first water pipe connected between a first water outlet of the first water tank and a water inlet of the solar heater and a second water pipe connected between a first water return opening of the first water tank and a water outlet of the solar heater, a first water pump is arranged on the first water pipe, the first water outlet is located at the bottom of the first water tank, the first water return opening is located on the upper portion of the first water tank, and a cold water inlet pipe is further arranged on the upper portion of the first water tank.
3. The solar and heat pump combined water heater according to claim 2, wherein: the hot water inlet pipe is connected with the second water pipe, the valve is arranged at the joint, and the valve is a two-position three-way valve.
4. The solar and heat pump combined water heater according to claim 2, wherein: the second circulating pipeline comprises a third water pipe connected between a second water outlet of the second water tank and an inlet of the air-source heat pump and a fourth water pipe connected between a second water return port of the second water tank and an outlet of the air-source heat pump, and a second water pump is arranged on the third water pipe.
5. The solar and heat pump combined water heater according to claim 4, wherein: still be connected with the spare water pipe between third water pipe and the first water tank, the junction of spare water pipe and third water pipe is equipped with two-position three-way valve, still is equipped with the ball valve on the spare water pipe.
6. The solar and heat pump combined water heater according to claim 1, wherein: and liquid level sensors are arranged in the first water tank and the second water tank.
7. The solar and heat pump combined water heater according to claim 1, wherein: the volume of the second water tank is smaller than that of the first water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628692.2U CN209819674U (en) | 2019-05-05 | 2019-05-05 | Solar energy and heat pump combined water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628692.2U CN209819674U (en) | 2019-05-05 | 2019-05-05 | Solar energy and heat pump combined water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209819674U true CN209819674U (en) | 2019-12-20 |
Family
ID=68882708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920628692.2U Expired - Fee Related CN209819674U (en) | 2019-05-05 | 2019-05-05 | Solar energy and heat pump combined water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209819674U (en) |
-
2019
- 2019-05-05 CN CN201920628692.2U patent/CN209819674U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |