CN201297769Y - Internal circulation instant heating type heat pump water heater - Google Patents
Internal circulation instant heating type heat pump water heater Download PDFInfo
- Publication number
- CN201297769Y CN201297769Y CNU2008201894285U CN200820189428U CN201297769Y CN 201297769 Y CN201297769 Y CN 201297769Y CN U2008201894285 U CNU2008201894285 U CN U2008201894285U CN 200820189428 U CN200820189428 U CN 200820189428U CN 201297769 Y CN201297769 Y CN 201297769Y
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Abstract
The utility model relates to an internal circulation instant heating type heat pump water heater. A condenser of a heat pump is used as a heat interchanger heating water, a water inlet pipe and a water outlet pipe are connected to the condenser, the water outlet pipe is provided with a thermostatic controller controlling inlet flow or a flow controller; and the internal circulation instant heating type heat pump water heater also comprises a short circuit pipe connected between the water inlet pipe and the water outlet pipe. The utility model is additionally provided with an internal circulation water pump based on the traditional instant heat pump heater without changing the inlet flow and the outlet flow of the instant type heat pump heater, realizes the forced heat transfer by improving the water velocity in the condenser of the heat exchanger, increases the condensation efficiency, lowers the system condensation pressure, prolongs the service life of a compressor and lowers the power consumption, and improves the energy efficiency ratio; meanwhile, because the water velocity is high, the utility model greatly lowers the probability of the existence of scale and ensures the system safety.
Description
Technical field
The utility model relates to a kind of Teat pump boiler, especially interior circulation instant heating type heat pump water heater.
Background technology
Teat pump boiler adopts the condenser of heat pump as the heat exchanger to the cold water heating.Heat pump is drawn environment thermal energy from evaporimeter, power pressure, all corresponding raising of temperature after the compressed machine isentropic Compression, and heat release condensation behind condenser then improves water temperature, carries out next circulation through getting back to evaporimeter after the constant entropy throttling subsequently.So circulate endlessly, living hot water does not stop production.
Traditional instant heating type heat pump water heater is provided with radiator valve 16 (or flow controller) hot water outlet pipe 22 and regulates flow of inlet water as shown in Figure 1, guarantees that leaving water temperature reaches design temperature.For example, when leaving water temperature is not high enough, reduce flow of inlet water, improve leaving water temperature with this.In instant heating type heat pump water heater, water inlet can reach suitable temperature in the short period of time rapidly, therefore is called immediately heating water heater.But in such cases, discharge seldom, therefore easily fouling of sluggish flow, and the little heat exchange efficiency that also causes of discharge is low, so the condensing pressure height of condenser 13, unit eer is not high, has influenced the compressor life-span of heat pump greatly.Incrustation scale can cause the condenser corrosion to be quickened again in case formation had both influenced the heat exchange effect, has a strong impact on the safety of heat pump water heater system.
Summary of the invention
The utility model provides a kind of Teat pump boiler, and it increases the discharge of condenser heat exchanger as required, can reduce incrustation scale, improves the condensation efficiency of condenser.
For solving the problems of the technologies described above, provide following technical scheme:
Interior circulation instant heating type heat pump water heater, the condenser of heat pump is as the heat exchanger to the water heating, water inlet pipe and outlet pipe are connected in this condenser, the radiator valve or the flow controller of control flow of inlet water are installed on the described outlet pipe, also comprise the short circuit pipe, it is connected between described water inlet pipe and the outlet pipe.
Described short circuit pipe and outlet pipe are connected in the position between described radiator valve and the condenser, or are connected in the position between described flow controller and the condenser.
Dual mode is further arranged:
Increase water pump and check valve, described water pump is installed on the described short circuit pipe; Described check valve is installed on the water inlet pipe between water source and the short circuit pipe.
Perhaps increase water pump and flow control valve, described water pump is installed on the water inlet pipe between described short circuit pipe and the condenser; Described flow control valve is installed on the described short circuit pipe.
Circulation instant heating type heat pump water heater in of the present utility model can also have following form:
Heat pump has shell, and described water pump and check valve are positioned at described housing exterior.
Perhaps heat pump has shell, and described water pump is positioned at described enclosure, and described flow control valve is positioned at described enclosure.
Perhaps described heat pump has shell, and described water pump and flow control valve are positioned at described housing exterior.
The utility model does not change the Inlet and outlet water flow of instant heating type heat pump water heater, but the water pump of circulation on the basis of traditional instant heating type heat pump water heater, increasing by, realize forced heat-exchanging by improving as the water velocity in the condenser of heat exchanger, strengthen condensation efficiency, reduce system condensing pressure, and then prolong the service life of compressor and reduce power consumption, improve the Energy Efficiency Ratio of unit.Because water velocity is very fast, greatly reduce the probability that incrustation scale produces simultaneously, guaranteed security of system.
Description of drawings
Fig. 1 is the schematic diagram of existing instant heating type heat pump water heater;
Fig. 2 is the schematic diagram of embodiment 1 of the present utility model;
Fig. 3 is the schematic diagram of embodiment 2 of the present utility model;
Fig. 4 is the schematic diagram of embodiment 3 of the present utility model;
Fig. 5 is the schematic diagram of embodiment 4 of the present utility model;
Fig. 6 is the schematic diagram of embodiment 5 of the present utility model.
The specific embodiment
The accompanying drawings specific embodiment of the present utility model.
Existing instant heating type heat pump water heater as shown in Figure 1, heat pump is made of evaporimeter 15, compressor 11 and the cross valve 12, condenser 13, the throttling arrangement 14 that connect successively, the condenser 13 of heat pump is as the heat exchanger to the water heating, water inlet pipe 21 and outlet pipe 22 are connected in condenser 13, cold water enters condenser 13 by the water source by water inlet pipe 21, and hot water flows out by outlet pipe 22 after being heated.Radiator valve 16 (or flow controller) is set on outlet pipe 22.Radiator valve 16 obtains the temperature of the hot water of outflow, if temperature is not high enough, then reduces the flow of water inlet pipe 21, so that leaving water temperature increases.
The utility model has been installed short circuit pipe 20 between water inlet pipe 21 and outlet pipe 22, the water outlet of condenser 13 is got back to water inlet pipe 21 by short circuit pipe 20 and reentered condenser 13 and be heated.Described short circuit pipe 20 and outlet pipe 22 are connected in the position between described radiator valve 16 (or flow controller) and the condenser 13.The utility model has been strengthened the discharge of condenser 13 greatly, has greatly improved the heat exchange effect of condenser 13, and does not change the Inlet and outlet water flow of water heater simultaneously, guarantees that the character of this water heater remains immediately heating water heater.
Accompanying drawings embodiment of the present utility model.
As shown in Figure 2, present embodiment is provided with water pump 23 and check valve 24, and described water pump 23 is installed on the described short circuit pipe 20; Described check valve 24 is installed on the water inlet pipe 21 between water source and the short circuit pipe 20.
From the hot water that condenser 13 flows out, if not high enough, then can control described water pump 23 and start by radiator valve 16 sense temperature, the part of the hot water that will flow out from condenser 13 flows back to condenser 13 by water pump 23.Check valve 24 makes the hot water of backflow can not turn back to the water source.
Embodiment 2
As shown in Figure 3, present embodiment is provided with water pump 23 and flow control valve 25, and described water pump 23 is installed on the water inlet pipe between described short circuit pipe 20 and the condenser 13; Described flow control valve 25 is installed on the described short circuit pipe 20.
Hot water from condenser 13 outflows, if it is not high enough by radiator valve 16 sense temperature, then can control described water pump 23 starts, the part of the hot water that will flow out from condenser 13 flows back to condenser 13 by flow control valve 25, described flow control valve 25 can be controlled the flow of the water outlet of backflow, water pump 23 provides the power that refluxes, and the while also makes the water outlet of backflow can not flow backwards and returns the water source.
Embodiment 3
As Fig. 4, present embodiment is provided with water pump 23 and check valve 24, and described water pump 23 is installed on the described short circuit pipe 20; Described check valve 24 is installed on the water inlet pipe 21 between water source and the short circuit pipe 20.
Heat pump has shell 17, and described water pump 23 and check valve 24 are positioned at described shell 17 outsides.Radiator valve 16 (or flow controller) also places shell 17 outsides.External water pump 23 and check valve 24 convenient for maintaining, mounting arrangements is more flexible.
Embodiment 4
As Fig. 5, present embodiment is provided with water pump 23 and flow control valve 25, and described water pump 23 is installed on the water inlet pipe between described short circuit pipe 20 and the condenser 13; Described flow control valve 25 is installed on the described short circuit pipe 20.
Heat pump has shell 17, and described water pump 23 is positioned at described shell 17 inside, and described flow control valve 25 is positioned at described shell 17 outsides.Radiator valve 16 (or flow controller) also places shell 17 outsides.External water pump 23 and flow control valve 25 convenient for maintaining, mounting arrangements is more flexible.
Embodiment 5
As Fig. 6, present embodiment is provided with water pump 23 and flow control valve 25, and described water pump 23 is installed on the water inlet pipe between described short circuit pipe 20 and the condenser 13; Described flow control valve 25 is installed on the described short circuit pipe 20.
Described heat pump has shell 17, and described water pump 23 and flow control valve 25 are positioned at described shell 17 outsides.Radiator valve 16 (or flow controller) also places shell 17 outsides.External water pump 23 and flow control valve 25 convenient for maintaining, mounting arrangements is more flexible.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (7)
1. interior circulation instant heating type heat pump water heater, the condenser of heat pump is as the heat exchanger to the water heating, and water inlet pipe and outlet pipe are connected in this condenser, and the radiator valve or the flow controller of control flow of inlet water is installed on the described outlet pipe, and feature is also to comprise:
The short circuit pipe, it is connected between described water inlet pipe and the outlet pipe.
2. circulation instant heating type heat pump water heater in as claimed in claim 1, feature is: described short circuit pipe and outlet pipe are connected in the position between described radiator valve and the condenser, or are connected in the position between described flow controller and the condenser.
3. as the interior circulation instant heating type heat pump water heater of claim 1 or 2, feature is also to comprise:
Water pump, it is installed on the described short circuit pipe;
Check valve, it is installed on the water inlet pipe between water source and the short circuit pipe.
4. as the interior circulation instant heating type heat pump water heater of claim 1 or 2, feature is also to comprise:
Water pump, it is installed on the water inlet pipe between described short circuit pipe and the condenser;
Flow control valve, it is installed on the described short circuit pipe.
5. circulation instant heating type heat pump water heater in as claimed in claim 3, feature is: heat pump has shell, and described water pump and check valve are positioned at described housing exterior.
6. circulation instant heating type heat pump water heater in as claimed in claim 4, feature is: heat pump has shell, and described water pump is positioned at described enclosure, and described flow control valve is positioned at described enclosure.
7. circulation instant heating type heat pump water heater in as claimed in claim 5, feature is: described heat pump has shell, and described water pump and flow control valve are positioned at described housing exterior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201894285U CN201297769Y (en) | 2008-08-29 | 2008-08-29 | Internal circulation instant heating type heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201894285U CN201297769Y (en) | 2008-08-29 | 2008-08-29 | Internal circulation instant heating type heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297769Y true CN201297769Y (en) | 2009-08-26 |
Family
ID=41043750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201894285U Expired - Fee Related CN201297769Y (en) | 2008-08-29 | 2008-08-29 | Internal circulation instant heating type heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297769Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967081A (en) * | 2012-11-26 | 2013-03-13 | 周裕佳 | Heat pump heat exchanger and control method thereof |
| CN105091266A (en) * | 2015-08-03 | 2015-11-25 | 珠海格力电器股份有限公司 | Waste heat recycling method and device and air conditioning system |
-
2008
- 2008-08-29 CN CNU2008201894285U patent/CN201297769Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967081A (en) * | 2012-11-26 | 2013-03-13 | 周裕佳 | Heat pump heat exchanger and control method thereof |
| CN102967081B (en) * | 2012-11-26 | 2015-06-03 | 周裕佳 | Heat pump heat exchanger and control method thereof |
| CN105091266A (en) * | 2015-08-03 | 2015-11-25 | 珠海格力电器股份有限公司 | Waste heat recycling method and device and air conditioning system |
| CN105091266B (en) * | 2015-08-03 | 2018-06-26 | 珠海格力电器股份有限公司 | Waste heat recycling method and device and air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20120829 |