CN202792568U - Directly-heated water tank heating water flow path system - Google Patents
Directly-heated water tank heating water flow path system Download PDFInfo
- Publication number
- CN202792568U CN202792568U CN201220453815.1U CN201220453815U CN202792568U CN 202792568 U CN202792568 U CN 202792568U CN 201220453815 U CN201220453815 U CN 201220453815U CN 202792568 U CN202792568 U CN 202792568U
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- water
- water tank
- way valve
- outlet
- flow path
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 223
- 239000008236 heating water Substances 0.000 title claims abstract description 17
- 239000008399 tap water Substances 0.000 claims abstract description 16
- 235000020679 tap water Nutrition 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising 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
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a directly-heated water tank heating water flow path system, which comprises a water tank, a heat exchanger, a connecting pipeline, a circulating water pump, a temperature sensor and a control system, and also comprises a three-way valve, wherein the circulating water pump, the heat exchanger and the inlet of the three-way valve which are connected with the water tank are sequentially connected, and a first outlet and a second outlet of the three-way valve are respectively connected with the upper part and the lower part of the water tank; the upper part of the water tank is also provided with a water outlet used for connecting a hot water outlet pipe, and the lower part of the water tank is also provided with a water inlet used for connecting a tap water supply pipe. The utility model discloses reduced cold water and warm water that the heat exchanger came out in the start stage to the hydrothermal influence in water tank upper portion, avoided the water tank leaving water temperature undulant because of the start appears, improved the travelling comfort of water.
Description
Technical Field
The utility model relates to a heat exchange field especially relates to a directly-heated type water tank adds hot water flow path system.
Background
The existing directly-heated water tank directly leads hot water coming out of the heat exchanger into the upper part of the water tank, so that the following defects exist in the starting-up stage: the water outlet temperature of the heat exchanger of the unit is in the process of gradually rising at the stage of starting the unit, namely cold water and warm water come out of the heat exchanger when the unit is started, and the direct introduction of the water into the upper part of the water tank can certainly affect the hot water on the upper part of the water tank, further affect the water outlet temperature of the water tank and affect the comfort of water consumption.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a simple structure, reasonable in design's directly-heated type water tank adds hot water flow path system has avoided the leaving water temperature of water tank to appear undulant phenomenon because of the start, the utility model discloses the technical scheme who realizes that above-mentioned purpose adopts is:
a directly-heated water tank heating water flow path system comprises a water tank, a circulating water pump, a heat exchanger, a connecting pipeline, a temperature sensing bulb, a control system and a three-way valve, wherein the water tank, the circulating water pump connected with the water tank, the heat exchanger and an inlet of the three-way valve are sequentially connected, and a first outlet and a second outlet of the three-way valve are respectively communicated with the upper part and the lower part of the water tank;
the upper part of the water tank is also provided with a water outlet used for connecting a hot water outlet pipe, and the lower part of the water tank is also provided with a water inlet used for connecting a tap water supply pipe.
Preferably, the three-way valve is an electromagnetic three-way valve, an electric three-way valve or an electric three-way valve.
Preferably, the tap water supply pipe is communicated with a water inlet pipe of the circulating water pump through a three-way joint.
Preferably, the number of the water tanks is two, the two water tanks are respectively a first water tank and a second water tank, the two water tanks are connected in series, and the first water tank and the second water tank are communicated through a communicating pipe;
a first outlet of the three-way valve is communicated with the upper part of the second water tank, and a second outlet of the three-way valve is communicated with the lower part of the first water tank;
the hot water outlet pipe is arranged at the upper part of the second water tank, and the lower part of the first water tank is connected with a water supply pipe of tap water.
Preferably, the tap water supply pipe is communicated with a water inlet pipe of the circulating water pump through a three-way joint.
Preferably, the circulating water pump is a variable frequency water pump.
Preferably, the circulating water pump is a constant rotating speed water pump, and the water pipeline is provided with a flow regulating valve.
Preferably, the water inlet pipe of the circulating water pump is connected with the lower part of the water tank.
Preferably, the heat source of the heat exchanger is at least one of electric heating, an air-source heat pump and solar energy.
The utility model has the advantages that: the three-way valve controls the position of the water outlet of the heat exchanger entering the water tank, so that the influence of cold water and warm water discharged from the heat exchanger on hot water on the upper part of the water tank in the starting stage can be reduced, the fluctuation of the water outlet temperature of the water tank due to starting is avoided, and the comfort of water use is improved.
Drawings
FIG. 1 is a schematic view of an embodiment of a directly-heated water tank heating water flow path system of the present invention;
FIG. 2 is a schematic view of the directly heated water tank heating water flow path system shown in FIG. 1 connected to a tap water supply pipe by a three-way joint;
FIG. 3 is a schematic view of an embodiment of a directly-heated water tank heating flow path system of the present invention with two water tanks; wherein,
1, a water tank; 11-15 of a temperature sensing bulb; 2, a variable frequency water pump; 3, a heat exchanger; 31 a refrigerant inlet;
32 a refrigerant outlet; 4, an electromagnetic three-way valve; 5, a water outlet temperature sensing bulb of the heat exchanger; 6, a hot water outlet pipe;
7 a tap water supply pipe; 8, communicating pipes; 9 auxiliary water tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, taken in conjunction with the accompanying drawings and embodiments, will explain the present invention in further detail by taking the heat supply of the air energy heat pump as an example. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, an embodiment of a directly-heated water tank heating water flow path system of the present invention includes a water tank 1, a circulating water pump 2, a heat exchanger 3, a three-way valve 4, a connecting pipeline, a thermal bulb and a control system (not shown), the water tank 1, the circulating water pump 2 connected to the lower portion of the water tank 1, the heat exchanger 3 and an inlet of the three-way valve 4 are sequentially connected, and a first outlet (B) and a second outlet (a) of the three-way valve 4 are respectively connected to the upper portion and the lower portion of the water tank 1; the upper part of the water tank 1 is provided with a water outlet which is used for being connected with a hot water outlet pipe 6, and the lower part of the water tank 1 is provided with a water inlet which is used for being communicated with a running water supply pipe 7; five temperature sensing bags (11, 12, 13, 14, 15) arranged in the water tank 1 are used for measuring the water temperatures at different heights in the water tank 1, and the heat exchanger water outlet temperature sensing bag 5 is used for measuring the water outlet temperature of the heat exchanger 3.
The heat exchanger 3 is connected with a throttling device (not shown), an evaporator (not shown) and a compressor (not shown) in sequence to form a refrigerating system, when the refrigerating system works, a refrigerant enters the heat exchanger 3 from a refrigerant inlet 31 and flows out from a refrigerant outlet 32 after exchanging heat with the heat exchanger 3, and a heat source of the heat exchanger 3 can also adopt electric heating or solar energy or a mixed heat source.
A water inlet pipe of the circulating water pump 2 is connected with the lower part of the water tank 1, when the circulating water pump works, water at the lower part in the water tank 1 is pumped to the heat exchanger 3 to exchange heat with the heat exchanger 3, the water flows into an inlet of the three-way valve 4 after being heated at the heat exchanger 3 and then returns to the water tank 1 through a first outlet (B) or a second outlet (A) of the three-way valve 4, and preferably, the circulating water pump 2 is a variable frequency water pump; of course, the circulating water pump 2 may also be a fixed-speed water pump (fixed-frequency water pump), and a flow control valve (not shown) is provided on the water line for use in cooperation with the fixed-speed water pump, thereby also realizing a flow control function.
The three-way valve 4 is an electromagnetic three-way valve, an electric three-way valve or an electric three-way valve, a first outlet (B) of the three-way valve 4 is normally closed, a second outlet (A) of the three-way valve 4 is normally open, namely when the three-way valve 4 is not electrified, an inlet of the three-way valve 4 is communicated with the second outlet (A), and the first outlet (B) of the three-way valve 4 is closed; when the three-way valve 4 is electrified, the inlet of the three-way valve 4 is communicated with the first inlet (B) of the three-way valve 4, and the second outlet (B) of the three-way valve 4 is closed;
preferably, as an embodiment, the tap water supply pipe 7 is connected to the water inlet pipe of the circulating water pump 2 by a three-way joint, as shown in fig. 2, tap water flowing out of the tap water supply pipe 7 can directly enter the water tank 1 or enter the circulating water pump 2,
the control method of the directly-heated water tank heating water flow path system comprises a step of feeding hot water into the upper part of the water tank and a step of feeding hot water into the lower part of the water tank;
the step of feeding hot water into the upper part of the water tank comprises the following steps: when the outlet water temperature of the heat exchanger 3 is higher than or equal to a set temperature value, the control system enables the three-way valve 4 to be powered on, at the moment, a first outlet (B) of the three-way valve 4 is opened, a second outlet (A) of the three-way valve 4 is closed, and the outlet water of the heat exchanger 4 is drained into the water tank 1 from the upper part of the water tank 1 through the three-way valve 4;
the water inlet step at the lower part of the water tank comprises the following steps: when the water tank is started or the water outlet temperature of the heat exchanger 3 is lower than a set temperature value, the control system enables the three-way valve 4 not to be electrified, the first outlet (B) of the three-way valve is closed, the second outlet (A) of the three-way valve is opened, and the water outlet of the heat exchanger 3 is drained into the water tank 1 from the lower part of the water tank 1 through the three-way valve 4.
Preferably, the set temperature value is 35 ℃ to 60 ℃.
Preferably, as another possible implementation, as shown in fig. 3, the difference from the above embodiment is that: the number of the water tanks is two, namely the water tank 1 and the auxiliary water tank 9, the water tank 1 and the auxiliary water tank 9 are connected in series, the water tank 1 and the auxiliary water tank 9 are communicated through a communicating pipe 8, a first outlet (B) of a three-way valve 4 is communicated with the upper part of the auxiliary water tank 9, and a second outlet (A) of the three-way valve 4 is communicated with the lower part of the water tank 1; the hot water outlet pipe 6 is arranged at the upper part of the auxiliary water tank 9; the water tank 1 is provided with two temperature sensing bags (13, 14), and the auxiliary water tank 9 is also provided with two high temperature bags (11, 12) which are respectively used for measuring the water temperature in the respective water tank. The lower part of the water tank 1 is communicated with a tap water supply pipe 7, certainly the tap water supply pipe 7 can also be communicated with a water inlet pipe of the circulating water pump 2 through a three-way joint, and the control method is completely the same as the above embodiment, namely when the water tank is started or the outlet water temperature of the heat exchanger 3 is lower than a certain temperature value, the outlet water of the heat exchanger 3 is introduced into the lower part of the water tank 1, and the outlet water of the heat exchanger 3 is switched to the upper part of the auxiliary water tank 9 through the three-way valve 4 after the outlet water temperature of the heat.
The above embodiment can avoid the influence of cold water and warm water coming out of the heat exchanger on hot water at the upper part of the water tank in the starting-up stage, ensure that the outlet water temperature of the water tank is not fluctuated due to the starting-up of the unit, and improve the comfort of water use.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a directly-heated type water tank adds hydrothermal flow path system, includes water tank, circulating water pump, heat exchanger, connecting line, temperature sensing package and control system, its characterized in that:
the water tank, the circulating water pump connected with the water tank, the heat exchanger and the inlet of the three-way valve are sequentially connected, and a first outlet and a second outlet of the three-way valve are respectively communicated with the upper part and the lower part of the water tank;
the upper part of the water tank is also provided with a water outlet used for connecting a hot water outlet pipe, and the lower part of the water tank is also provided with a water inlet used for connecting a tap water supply pipe.
2. The direct heating type water tank heating water flow path system according to claim 1, characterized in that:
the three-way valve is an electromagnetic three-way valve, an electric three-way valve or an electric three-way valve.
3. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
the tap water supply pipe is communicated with a water inlet pipe of the circulating water pump through a tee joint.
4. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
the water tanks are respectively a first water tank and a second water tank, the two water tanks are connected in series, and the first water tank and the second water tank are communicated through a communicating pipe;
a first outlet of the three-way valve is communicated with the upper part of the second water tank, and a second outlet of the three-way valve is communicated with the lower part of the first water tank;
the hot water outlet pipe is arranged at the upper part of the second water tank, and the lower part of the first water tank is connected with a water supply pipe of tap water.
5. The direct-heating water tank heating water flow path system according to claim 4, characterized in that:
the tap water supply pipe is communicated with a water inlet pipe of the circulating water pump through a tee joint.
6. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
the circulating water pump is a variable frequency water pump.
7. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
the circulating water pump is a water pump with a fixed rotating speed, and a flow regulating valve is arranged on the water pipeline.
8. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
and a water inlet pipe of the circulating water pump is connected with the lower part of the water tank.
9. The direct heating type water tank heating water flow path system according to claim 1 or 2, characterized in that:
the heat source of the heat exchanger is at least one of electric heating, an air energy heat pump and solar energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453815.1U CN202792568U (en) | 2012-09-06 | 2012-09-06 | Directly-heated water tank heating water flow path system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220453815.1U CN202792568U (en) | 2012-09-06 | 2012-09-06 | Directly-heated water tank heating water flow path system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202792568U true CN202792568U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220453815.1U Expired - Lifetime CN202792568U (en) | 2012-09-06 | 2012-09-06 | Directly-heated water tank heating water flow path system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202792568U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344041A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Water circulation heat pump water heater and control method |
| CN103591636A (en) * | 2013-10-24 | 2014-02-19 | 周裕佳 | Double-tank heat exchange and water supply system and method for controlling same |
| CN103673295A (en) * | 2012-09-06 | 2014-03-26 | 珠海格力电器股份有限公司 | Directly-heated water tank heating water flow path system and control method thereof |
| CN112815521A (en) * | 2021-02-04 | 2021-05-18 | 白新甫 | Wall-mounted furnace with waste heat recovery function and working method thereof |
-
2012
- 2012-09-06 CN CN201220453815.1U patent/CN202792568U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673295A (en) * | 2012-09-06 | 2014-03-26 | 珠海格力电器股份有限公司 | Directly-heated water tank heating water flow path system and control method thereof |
| CN103344041A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Water circulation heat pump water heater and control method |
| CN103344041B (en) * | 2013-06-28 | 2019-01-08 | 海尔集团公司 | Control method of water circulation heat pump water heater |
| CN103591636A (en) * | 2013-10-24 | 2014-02-19 | 周裕佳 | Double-tank heat exchange and water supply system and method for controlling same |
| CN103591636B (en) * | 2013-10-24 | 2016-05-04 | 周裕佳 | Two water tank heat exchange water systems and control method thereof |
| CN112815521A (en) * | 2021-02-04 | 2021-05-18 | 白新甫 | Wall-mounted furnace with waste heat recovery function and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |