CN201983463U - Directly-heated heat pump hot water system - Google Patents
Directly-heated heat pump hot water system Download PDFInfo
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- CN201983463U CN201983463U CN2010206764340U CN201020676434U CN201983463U CN 201983463 U CN201983463 U CN 201983463U CN 2010206764340 U CN2010206764340 U CN 2010206764340U CN 201020676434 U CN201020676434 U CN 201020676434U CN 201983463 U CN201983463 U CN 201983463U
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Abstract
The utility model relates to the technology of heat pump hot water system, in particular to a directly-heated heat pump hot water system. The directly-heated heat pump hot water system comprises a heat pump unit and a hot water circulating system; the heat pump unit comprises an evaporator, a compressor and a condenser; the hot water circulating system comprises a water tank, a water inlet pipe and a hot water pipe; the water inlet pipe is provided with a thermostat for precisely controlling the water inflow according to the heating capability of the heat pump unit and the water inlet temperature of the cold water; the water inlet of the thermostat is connected with a running water system by a pipe; and the water outlet of the thermostat is connected with a cold water inlet of the condenser. The water outlet temperature is influenced by the heating capability of the heat pump unit and the water inlet temperature of the cold water, and the water outlet temperature is related to the water inflow; therefore, the thermostat arranged on the water inlet pipe is capable of precisely controlling the water inflow according to the heating capability of the heat pump unit and the water inlet temperature of the cold water so as to keep the water outlet temperature constant.
Description
Technical field
The utility model relates to the heat pump hot-water system technology, relates in particular to a kind of directly-heated type heat pump hot-water system.
Background technology
General heat pump hot-water system is divided into two kinds of regenerative heat pump hot-water heating system and directly-heated type heat pump hot-water systems.Wherein, the directly-heated type heat pump hot-water system can obtain very high leaving water temperature under lower inflow temperature.
At present, the directly-heated type heat pump hot-water system mainly comprises source pump, hot water cyclesystem, and wherein, source pump comprises evaporimeter, compressor, condenser, and hot water cyclesystem comprises water tank, water inlet pipe, hot-water line; The output of evaporimeter is connected with the input of compressor, the output of compressor is connected with the working medium import of condenser, the sender property outlet of condenser is connected with the input of evaporimeter, one termination of water inlet pipe is gone into the network of rivers from the beginning, the other end of water inlet pipe is connected with the cooling water inlet of condenser, the hot water outlet of condenser is connected with the hot water inlet of water tank by hot-water line, and the hot water that the hot water outlet of water tank will reach the user's request temperature flows out to user's water pipeline.Its operation principle is: compressor inputs to condenser with the heat exchange working medium of high-temperature high-pressure state, simultaneously, cold water flows into condenser from water inlet pipe, make cold water in condenser, carry out exchange heat with heat exchange working medium, and then heat (heating) cold water and become hot water, hot water flows out to water tank from the hot water outlet of condenser, and the hot water outlet by water tank flows out to user's water pipeline again, for the user provides hot water.
The directly-heated type heat pump hot-water system normally is provided with a simple valve at water inlet pipe in the prior art, inflow by valve control cold water improves water temperature, make the leaving water temperature of condenser to settle at one go, reach the user's request temperature, flow out to water tank again.But, the valve that the water inlet pipe of this system is provided with can only be by setting general control inflow, can not control inflow according to the heating capacity of source pump and the inflow temperature of cold water, it is accurate inadequately promptly to control inflow, and then causes the leaving water temperature can not be constant.
Summary of the invention
The purpose of this utility model is to provide a kind of directly-heated type heat pump hot-water system at the deficiencies in the prior art, it can accurately control the thermostat of inflow according to the inflow temperature of the heating capacity of source pump and cold water by being provided with, thereby makes effluent temperature constancy.
The purpose of this utility model realizes by following technical measures: a kind of directly-heated type heat pump hot-water system, it includes source pump, hot water cyclesystem, source pump comprises evaporimeter, compressor, condenser, and hot water cyclesystem comprises water tank, water inlet pipe, hot-water line; The output of evaporimeter is connected with the input of compressor, the output of compressor is connected with the working medium import of condenser, the sender property outlet of condenser is connected with the input of evaporimeter, the hot water outlet of condenser is connected with the hot water inlet of water tank by hot-water line, the hot water outlet of water tank is connected with user's water pipeline, described water inlet pipe is provided with can be according to the inflow temperature of the heating capacity of source pump and cold water and accurately control the thermostat of inflow, the water inlet of thermostat is connected with the network of rivers from the beginning by pipeline, and the delivery port of thermostat is connected with the cooling water inlet of condenser.
Be connected with return pipe between described water tank and the condenser, an end of return pipe is connected with the outlet of the backwater of water tank, and the other end of return pipe is connected with the backwater import of condenser.
Described return pipe is provided with the circulating pump that is used for the water of water tank is drawn back condenser.
Be disposed with reversal valve, expansion valve between the sender property outlet of described condenser and the input of evaporimeter.
Described thermostat comprises guidance panel, and guidance panel is provided with display screen, is used for the keyboard of setup parameter.
Described guidance panel also is provided with malfunction indicator lamp, power supply indicator, setting adjusting indicator lamp.
The utility model beneficial effect is: the utility model includes source pump, hot water cyclesystem, and source pump comprises evaporimeter, compressor, condenser, and hot water cyclesystem comprises water tank, water inlet pipe, hot-water line; Water inlet pipe is provided with can be according to the inflow temperature of the heating capacity of source pump and cold water and accurately control the thermostat of inflow, and the water inlet of thermostat is connected with the network of rivers from the beginning by pipeline, and the delivery port of thermostat is connected with the cooling water inlet of condenser.Because the heating capacity of source pump and the inflow temperature of cold water all can influence leaving water temperature, and leaving water temperature is relevant with inflow, when inflow hour, leaving water temperature can be higher, when inflow was big, leaving water temperature can be lower.Therefore, the thermostat of the utility model water inlet pipe setting can be according to the inflow temperature of the heating capacity of source pump and cold water and is accurately controlled inflow, thereby makes effluent temperature constancy.
Description of drawings
Fig. 1 is the structural representation of a kind of directly-heated type heat pump hot-water system of the utility model.
Fig. 2 is the structural representation of the thermostat of a kind of directly-heated type heat pump hot-water system of the utility model.
In Fig. 1 and Fig. 2, include:
1---evaporimeter 11---reversal valve
12---expansion valve 2---compressor
3---condenser 4---water tank
5---water inlet pipe 6---hot-water line
7---user's water pipeline 8---thermostat
81---guidance panel 811---display screen
812---keyboard 813---malfunction indicator lamp
814---power supply indicators 815---are set and are regulated indicator lamp
82---water inlet 83---delivery port
9---return pipe 91---circulating pump.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of directly-heated type heat pump hot-water system of the present utility model as shown in Figure 1, 2, includes source pump, hot water cyclesystem, and source pump comprises evaporimeter 1, compressor 2, condenser 3, and hot water cyclesystem comprises water tank 4, water inlet pipe 5, hot-water line 6; The output of evaporimeter 1 is connected with the input of compressor 2, and the output of compressor 2 is connected with the working medium import of condenser 3, makes compressor 2 the heat exchange working medium of high-temperature high-pressure state can be inputed to condenser 3; The sender property outlet of condenser 3 is connected with the input of evaporimeter 1, more particularly, be disposed with reversal valve 11, expansion valve 12 between the input of the sender property outlet of condenser 3 and evaporimeter 1, after the heat exchange working medium that condenser 3 is exported can be passed through the conversion of reversal valve 11 and expansion valve 12, flow into evaporimeter 1 again; The hot water outlet of condenser 3 is connected with the hot water inlet of water tank 4 by hot-water line 6, make the hot water that heats through condenser 3 can flow out to water tank 4 from the hot water outlet of condenser 3, the hot water outlet of water tank 4 is connected with user's water pipeline 7, make water tank 4 can import user's water pipeline 7, for the user provides hot water by the hot water that reaches the user's request temperature that hot water outlet flows out.
Water inlet pipe 5 is provided with can be according to the inflow temperature of the heating capacity of source pump and cold water and accurately control the thermostat 8 of inflow, the water inlet 82 of thermostat 8 is connected with the network of rivers from the beginning by pipeline, the delivery port 83 of thermostat 8 is connected with the cooling water inlet of condenser 3, because the heating capacity of source pump and the inflow temperature of cold water all can influence leaving water temperature, for example: when environment temperature is low, then the heating capacity of source pump is relatively poor, and then causes leaving water temperature to reduce; Otherwise when environment temperature was higher, then the heating capacity of source pump was stronger, can make leaving water temperature raise; When the inflow temperature of cold water hangs down, then can cause leaving water temperature to reduce; Otherwise, when the inflow temperature of cold water is higher, then can cause leaving water temperature to raise.And leaving water temperature is relevant with inflow, when inflow hour, leaving water temperature can be higher, when inflow was big, leaving water temperature can be lower.Therefore, the thermostat 8 that the utility model water inlet pipe 5 is provided with can accurately be controlled inflow according to the inflow temperature of the heating capacity of source pump and cold water, thereby make effluent temperature constancy, for example: when inflow temperature relatively poor when the heating capacity of source pump and/or cold water is low, thermostat 8 suitably control inflow reduces, so that the leaving water temperature maintenance is constant; When the heating capacity of source pump inflow temperature strong and/or cold water was higher, thermostat 8 suitably control inflow increased, so that leaving water temperature keeps is constant.
Be connected with return pipe 9 between water tank 4 and the condenser 3, one end of return pipe 9 is connected with the outlet of the backwater of water tank 4, the other end of return pipe 9 is connected with the backwater import of condenser 3, and wherein, return pipe 9 is provided with the circulating pump 91 that is used for the water of water tank 4 is drawn back condenser 3.When the temperature of water in the water tank 4 does not reach the temperature of user's request, can the water of water tank 4 be drawn back condenser 3 by circulating pump 91 and heat once more, flow out to water tank 4 again, so circulation, the temperature of water reaches the temperature of user's request in water tank 4.
Thermostat 8 comprises guidance panel 81, guidance panel 81 is provided with display screen 811, is used for the keyboard 812 of setup parameter, display screen 811 is used to demonstrate coolant-temperature gage, discharge parameters such as (being inflow), keyboard 812 is used to set parameters such as leaving water temperature, discharge, wherein, it is 40~100 ℃ that thermostat 8 of the present utility model can be controlled leaving water temperature, and has the automatic adaptive capacity of source pump such as 3,5,10,13.
In sum, the utility model can be applicable to the directly-heated type Teat pump boiler, in use, the thermostat 8 that water inlet pipe 5 is provided with can overcome factors such as inflow temperature difference, four seasons environmental change, and accurately control inflow, thereby make leaving water temperature keep constant according to the inflow temperature of the heating capacity of source pump and cold water.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (6)
1. directly-heated type heat pump hot-water system, it includes source pump, hot water cyclesystem, and source pump comprises evaporimeter, compressor, condenser, and hot water cyclesystem comprises water tank, water inlet pipe, hot-water line; The output of evaporimeter is connected with the input of compressor, the output of compressor is connected with the working medium import of condenser, the sender property outlet of condenser is connected with the input of evaporimeter, the hot water outlet of condenser is connected with the hot water inlet of water tank by hot-water line, the hot water outlet of water tank is connected with user's water pipeline, it is characterized in that: described water inlet pipe is provided with can be according to the inflow temperature of the heating capacity of source pump and cold water and accurately control the thermostat of inflow, the water inlet of thermostat is connected with the network of rivers from the beginning by pipeline, and the delivery port of thermostat is connected with the cooling water inlet of condenser.
2. directly-heated type heat pump hot-water system according to claim 1 is characterized in that: be connected with return pipe between described water tank and the condenser, an end of return pipe is connected with the outlet of the backwater of water tank, and the other end of return pipe is connected with the backwater import of condenser.
3. directly-heated type heat pump hot-water system according to claim 2 is characterized in that: described return pipe is provided with the circulating pump that is used for the water of water tank is drawn back condenser.
4. directly-heated type heat pump hot-water system according to claim 1 is characterized in that: be disposed with reversal valve, expansion valve between the sender property outlet of described condenser and the input of evaporimeter.
5. according to any described directly-heated type heat pump hot-water system of claim 1 to 4, it is characterized in that: described thermostat comprises guidance panel, and guidance panel is provided with display screen, is used for the keyboard of setup parameter.
6. directly-heated type heat pump hot-water system according to claim 5 is characterized in that: described guidance panel also is provided with malfunction indicator lamp, power supply indicator, setting adjusting indicator lamp.
Priority Applications (1)
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CN2010206764340U CN201983463U (en) | 2010-12-23 | 2010-12-23 | Directly-heated heat pump hot water system |
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CN2010206764340U CN201983463U (en) | 2010-12-23 | 2010-12-23 | Directly-heated heat pump hot water system |
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CN201983463U true CN201983463U (en) | 2011-09-21 |
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CN2010206764340U Expired - Fee Related CN201983463U (en) | 2010-12-23 | 2010-12-23 | Directly-heated heat pump hot water system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105371500A (en) * | 2015-11-13 | 2016-03-02 | 太原理工大学 | Phase change heat storage air source heat pump hot water unit control system and control method thereof |
CN110986352A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Central hot water system with water volume servo function |
CN111795526A (en) * | 2020-07-17 | 2020-10-20 | 广东Tcl智能暖通设备有限公司 | Temperature control method, device, system and computer readable storage medium |
-
2010
- 2010-12-23 CN CN2010206764340U patent/CN201983463U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105371500A (en) * | 2015-11-13 | 2016-03-02 | 太原理工大学 | Phase change heat storage air source heat pump hot water unit control system and control method thereof |
CN105371500B (en) * | 2015-11-13 | 2018-04-20 | 太原理工大学 | Phase-transition heat-storage air friction drag control system and its control method |
CN110986352A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Central hot water system with water volume servo function |
CN111795526A (en) * | 2020-07-17 | 2020-10-20 | 广东Tcl智能暖通设备有限公司 | Temperature control method, device, system and computer readable storage medium |
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Legal Events
Date | Code | Title | Description |
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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: 20110921 Termination date: 20111223 |