CN201539970U - Water source heat pump water heater - Google Patents
Water source heat pump water heater Download PDFInfo
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- CN201539970U CN201539970U CN2009202552735U CN200920255273U CN201539970U CN 201539970 U CN201539970 U CN 201539970U CN 2009202552735 U CN2009202552735 U CN 2009202552735U CN 200920255273 U CN200920255273 U CN 200920255273U CN 201539970 U CN201539970 U CN 201539970U
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Abstract
The utility model discloses a water source heat pump water heater which comprises a refrigeration loop, a hot water loop and a controller. The utility model is characterized in that: a compressor is a frequency conversion compressor; an auxiliary temperature reduction pipe is provided between a suction pipe and a liquid outlet of a heat exchanger; the auxiliary temperature reduction pipe is composed through serially connecting an electromagnetic valve and a liquid spraying capillary; an air discharging pipe of the compressor is provided with an exhaust temperature sensor; the opening and closing of the electromagnetic valve are controlled by the temperature measured by the exhaust temperature sensor; two ends of the evaporator are provided with a water inlet pipe and a water outlet pipe; the hot water loop comprises the heat exchanger, a water returning pipe and the water outlet pipe; the water returning pipe is provided with a circulation water pump; a near inlet of the water returning pipe is provided with a returning water temperature sensor; and an outlet water temperature sensor is provided at a near outlet of the water outlet pipe. The frequency conversion compressor is adopted according to the utility model and is matched with the auxiliary temperature reduction pipe for realizing normal operation of the compressor in a low-temperature environment. The water supplying is stable and the using range is wider.
Description
Technical field
The utility model relates to a kind of water heater, is specifically related to a kind of water source heat pump water heater.
Background technology
Water heater generally is divided into the fuel-firing gas-firing water heater at present, the electrical heating water heater, solar water heater, air source hot pump water heaters etc. are several, the fuel-firing gas-firing water heater is by the combustion fluid gasification, natural gas, kerosene, mineral such as alcohol or organic-fuel add a kind of water heater of hot water, thereby such water heater is subjected to the influence of the factors such as fluctuation of the burning degree of fuel and hydraulic pressure to cause fluctuating temperature bigger easily, and under the situation of oxygen supply deficiency, be easy to generate toxic gases such as carbon monoxide, may cause poisoning to take place when having very big injury serious to human body, the more important thing is needs to consume a large amount of non-renewable resources, and use cost is higher, also bigger to ambient influnence.The electrical heating water heater is a kind of by consuming the water heater that high-grade electric energy adds hot water, and the water heater of the type uses more convenient, but lower to the service efficiency of electric energy, and the potential safety hazard of electric shock is arranged easily.Solar water heater is that a kind of vacuum tube that utilizes is collected the water heater that solar energy adds hot water, the water heater of the type, environmentally friendly and operating cost is low, but it is bigger that the water heater of the type is affected by weather conditions, the weather little at intensity of sunshines such as cloudy day, rainy days just is difficult to normal the use, thereby general solar water heater all has auxiliary electric heater unit, solar water heater existence and the same defective of electrical heating water heater like this.
Air source hot pump water heater is that the contrary circulation theory that blocks such of a kind of utilization is from the natural environment draw heat, and consume the water heater that a spot of electric energy raises its temperature energy transmission feedwater, air source hot pump water heater claims Teat pump boiler again, different with other power consumption water heater is, the electric energy of air source hot pump water heater consumption is intended for power and the service efficiency height that transmits energy, and the heat that hot water obtains is the energy sum that Teat pump boiler heat that obtains from environment and the electric energy that is consumed transform.The water heater of the type obtains a large amount of heat energy by consuming a spot of electric energy from natural environment, energy-saving efficiency is more than 4 times of electric heater, also more energy-conservation than solar water heater, thereby operating cost is low, and, not environmentally friendly to any harmful substance of environmental emission, realized electricity separation simultaneously, thereby avoid the generation of electric shock accidents, use safer.
Just because above-mentioned advantage air source hot pump water heater more and more is subjected to people's welcome, the field of using also more and more widely, generally include at least one by compressor, solenoid operated four-way valve, heat exchanger, throttling arrangement, evaporimeter along heat pump refrigerating loop that the cold-producing medium circulating direction is linked in sequence and forms, heat exchanger is arranged in the main water box, the water that is used for heating water tank, usually be provided with water inlet pipe and outlet pipe on the main water box, evaporimeter absorbs heat from atmosphere, heat exchanger heat release in the water tank is to heating from the water that water inlet pipe supplies in the water tank by circulating pump.At present, the compressor in the refrigerant loop of air source hot pump water heater is invariable frequency compressor, that is to say that compressor rotary speed is constant substantially, adjusts power output to drive, to stop compressor, thereby has following defective:
1. can not adapt under the wide loading condiction and move, because fixed air source water heater frequently is the unlatching of controlling compressor by the coolant-temperature gage difference in Inlet and outlet water temperature difference or the water tank, under the little situation of extraneous water requirement, be easy to cause the high frequent start and stop, the energy consumption of system is increased, and influence the service life of compressor.Though decide the compressor continuous operation of frequency under the big situation of extraneous water requirement, because the capacity limit of compressor can not realize the quick rising of water temperature;
2. can not realize stable operation in the wide temperature range, under the lower situation of environment temperature, fixed Teat pump boiler frequently normally starts difficulty, and cause excessive discharge temperature easily and shut down, under the environment temperature condition with higher, fixed easy delivery temperature of Teat pump boiler frequently and pressure at expulsion superelevation and shut down;
3. common invariable frequency compressor adopts asynchronous induction motor, have iron loss, so transformation efficiency is lower, and the starting current of invariable frequency compressor is bigger simultaneously, and is very big to the impact of electrical network, and can influence the normal use of other electrical equipment that moving;
4. the capacity of air source hot pump water heater is subjected to the outdoor air conditions parameter influence bigger, when winter outdoor temperature cross when low, produce the hot water amount and can reduce, temperature can reduce, unit operation energy consumption is big; When outside relative humidity greater than 70%, when temperature was 3 ℃～5 ℃, the unit outdoor heat exchanger will frosting, what cause air source hot pump water heater heats the water yield and reliability decrease;
5. the thermal capacity of air is little, in order to obtain enough heats, then needs bigger air capacity, and the capacity of blower fan is bigger, makes that the noise of air source hot pump water heater is bigger;
6. can not under the low condition of environment temperature, move, cold-producing medium will absorb itself temperature of heat from surrounding air just must be lower than environment temperature, therefore environment temperature is low more, the evaporating temperature of cold-producing medium also just needs lower, corresponding evaporating pressure is also just low more, although the constancy of volume of the cold-producing medium that invariable frequency compressor is sucked in operation process, but the steam pressure of the cold-producing medium that is sucked is low, therefore the quality with the cold-producing medium that is comprised in the equal solvent reduces, the mass flow that is the cold-producing medium of compressor reduces, and the heating capacity of Teat pump boiler is directly proportional with the mass flow of cold-producing medium.Studies show that when environment temperature-20 ℃, heating capacity can only reach about the 20%-30% of declared working condition, and because the work temperature difference constantly enlarges, the efficient of Teat pump boiler is also more and more lower, and so not only heating capacity can not satisfy customer requirements, and has lost its superiority efficiently.
Summary of the invention
The utility model purpose provides a kind of water source heat pump water heater that all can efficiently operate under various environment temperatures, use this structure, has widened the scope of application of Teat pump boiler, and the efficiency of heating surface is more reliable and stable, and power consumption is lower, prolongs complete machine service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of water source heat pump water heater, comprise refrigerating circuit, hot-water return and controller, described refrigerating circuit comprises compressor, cross valve, heat exchanger, throttling arrangement, evaporimeter, the exhaust outlet of described compressor is responsible for mouth with described cross valve and is connected, be connected with the inlet of described heat exchanger through cross valve critical point C, the liquid outlet of heat exchanger connects in described evaporator through described throttling arrangement, evaporator outlet is connected with the E mouth of pipe of cross valve, be connected with the air entry of described compressor through the cross valve S mouth of pipe, described compressor is a frequency-changeable compressor, insert an auxiliary temperature-reducing pipeline between the suction line of this compressor and described heat exchanger liquid outlet, this pipeline is made of a magnetic valve and hydrojet capillary serial connection, the gas exhaust piping of described compressor is provided with an exhaust gas temperature sensor, record the keying that temperature is controlled described magnetic valve by this exhaust gas temperature sensor, described evaporimeter two ends are provided with inlet pipeline and outlet pipeline; Described hot-water return comprises heat exchanger and is arranged at the water return pipeline and the outlet pipeline at heat exchanger two ends, described water return pipeline is provided with water circulating pump, nearly import department is provided with the return water temperature sensor at water return pipeline, and the nearly exit of outlet pipeline is provided with the leaving water temperature sensor.
In the technique scheme, described compressor is frequency-changeable compressor (DC frequency-changing or an AC frequency conversion), determine the running frequency of frequency-changeable compressor according to the rate of change that records the temperature difference between inlet tube and outlet tube in the hot-water return and inflow temperature, under the less situation of external load, compressor adopts low-frequency operation, thereby has avoided invariable frequency compressor frequent start and stop like that; Under the bigger situation of external load, compressor adopts the high frequency operation, can improve coolant-temperature gage rapidly like this.Therefore, make the operation that the utility model is can be in wideer temperature range stable.For frequency-changeable compressor can normally be moved under low temperature environment, because under low temperature environment, need from surrounding air, absorb more heating capacity, the evaporating temperature of cold-producing medium also just needs lower (needing more cold-producing medium), the heat that causes compressor electric motor high frequency operation back to produce is too high, but although frequency-changeable compressor at low temperatures pumping come the cooling compressor motor than the more cold-producing medium of invariable frequency compressor in the past, but these cold-producing mediums also are not enough to complete cooling motor, thereby need draw part of refrigerant at the drain pipe place of hot water thermal exchange and come cooling compressor to prevent that delivery temperature from raising unusually, liquid outlet at heat exchanger inserts an auxiliary temperature-reducing pipeline for this reason, form by a magnetic valve and a hydrojet capillary, the other end capillaceous is connected on the air intake duct of compressor, be equipped with the exhaust gas temperature sensor on gas exhaust piping, determine whether opens solenoid valve, its process is: when delivery temperature is higher than uniform temperature (presetting temperature), magnetic valve is opened, the hydrojet capillary carries out hydrojet to the air intake duct of compressor, closed electromagnetic valve stops hydrojet when delivery temperature is lower than certain value, thereby can prevent to burn, the present invention can be operated in the low temperature environment because of excessive discharge temperature causes compressor.Water source heat pump water heater is when work, when the controller of unit detected return water temperature and set water temperature degree the uniform temperature difference is arranged, the water pump of unit brought into operation, and the inlet tube and outlet tube at evaporimeter two ends begins to have current logical, this moment, evaporator operation absorbed the heat at water source.
In the technique scheme, be connected in series a two-way fluid reservoir between the liquid outlet of described heat exchanger and the described throttling arrangement.Because frequency-changeable compressor is dynamic change as required, the needed refrigerant flow of unit is also in continuous variation, and therefore a two-way fluid reservoir is set collects unnecessary cold-producing medium.
In the technique scheme, described throttling arrangement can be a kind of in capillary, throttle pipe and the electric expansion valve, and the two ends that are positioned at throttling arrangement are respectively equipped with a filter.The impurity of liquid or gas in the filter filtering pipeline is in order to avoid stop up throttling arrangement.
In the technique scheme, described heat exchanger liquid outlet place is provided with a heat exchanger liquid pipe temperature sensor.Cause its temperature anomaly to raise in order to prevent heat exchanger because discharge is not enough; perhaps discharge is not enough and cause coolant-temperature gage to cross low even freeze in heat exchanger and damage heat exchanger when defrost; therefore heat exchanger liquid pipe temperature sensor is set at the liquid outlet place of heat exchanger; when the temperature of heat exchanger surpassed or is lower than uniform temperature, compressor reduced frequency even shutdown.
Optimized technical scheme, described compressor are DC frequency-changeable compressor.What DC frequency-changeable compressor adopted all is DC Brushless Motor, generate interior flux by permanent magnet, asynchronous machine compared to AC frequency conversion forms magnetic flux by the electric current that the outside enters, not because of generation losses such as resistance, therefore in addition, there be not the electromagnetic induction effect of stator rotating excitation field to rotor in the efficient height, also just avoid electromagnetic noise, reduced the working-noise of compressor.
In the technique scheme, the middle part of described evaporimeter is provided with an evaporimeter liquid pipe temperature sensor, and the nearly import department of inlet pipeline that is positioned at evaporimeter is provided with the inflow temperature sensor, and the inlet pipeline of described evaporimeter is provided with water circulating pump.
In the technique scheme, the gas exhaust piping of described compressor is provided with high-voltage switch gear, and its suction line is provided with low tension switch.Raise in order to prevent pressure anomaly, on the gas exhaust piping of compressor, high-voltage switch gear is set,, on the suction line of compressor, low tension switch is set simultaneously also in order to prevent compressor long-play under scarce fluorine or other low pressure conditions.
The course of work of the present utility model is: when the coolant-temperature gage that detects return water temperature and setting when the controller of unit has the uniform temperature difference, the water pump of unit brings into operation, after several seconds, the water circulating pump on the evaporimeter inlet pipeline brings into operation, and evaporimeter absorbs the heat at water source.After a period of time, the frequency-changeable compressor low-frequency start runs to fundamental frequency then, after fundamental frequency operation a period of time, determines the final running frequency of unit again according to the rate of change of the difference of set water temperature and return water temperature and return water temperature.When environment temperature is higher, can determine the suitable frequency of operation of compressor according to the return water temperature rate of change, cause pressure at expulsion and temperature too high thereby the flow that can avoid cold-producing medium like this is excessive, the too high excessive coil heating that causes of running current of compressor that causes easily of Compressor Discharge Pressure burns, excessive discharge temperature causes the lubricating oil carbonization of compressor to cause that the wearing and tearing of compressor moving component cause the gas transmission coefficient to descend easily, and too high delivery temperature also causes the coil burnout of compressor easily; Compressor then moves at high frequency according to concrete needs when environment temperature is lower; like this can the more cold-producing medium of pumping; from the water source, absorb more heating capacity; especially under the ordinary hot pump water heater can not the situation at low temperature during normal operation; the high frequency running of frequency-changeable compressor can guarantee that unit obtains more heat and improves coolant-temperature gage, thereby satisfies concrete needs.Frequency-changeable compressor is compressed into high temperature and high pressure gas with low-temperature low-pressure refrigerant, entering heat exchanger and water then carries out being condensed into highly pressurised liquid after water is heated in heat exchange, liquid refrigerant passes through throttling arrangement, low-temp low-pressure gas-liquid two-phase cold-producing medium after the throttling enters evaporimeter, gas-liquid two-phase cold-producing medium and water by evaporimeter carry out after the heat exchange all gaseous refrigerants in evaporimeter, enter compressor again and carry out new circulation.
Because the technique scheme utilization, the advantage that the utility model compared with prior art has is:
1, because the utility model adopts frequency-changeable compressor, running frequency is regulated variation according to the difference of set water temperature and return water temperature and the rate of change of return water temperature, under the less situation of external load, compressor adopts low-frequency operation, thereby has avoided frequent start and stop; Under the bigger situation of external load, compressor adopts the high frequency operation, can improve coolant-temperature gage rapidly like this, thereby makes the heating water temperature more constant, can be in wideer temperature range stable operation;
2, because the evaporimeter two ends are connected with inlet and outlet pipe respectively, the gas-liquid cold-producing medium and the water that enter in the evaporimeter carry out heat exchange, because water temperature is comparatively stable, make heat exchange more stable, having overcome in the past air source hot pump water heater needs deficiencies such as defrosting, the outdoor temperature fluctuation range is big, air thermal capacity is little winter;
3, because DC frequency-changeable compressor is to adopt low-frequency start, so starting current is less, and is less to the impulse ratio of electrical network, do not influence other electric operation, and energy consumption is low, and noise is little, the compressor longer service life;
4, introduce an auxiliary temperature-reducing pipeline at heat exchanger liquid outlet place, be connected in series with the hydrojet capillary by magnetic valve and constitute, the other end capillaceous is connected with the compressor air suction pipeline, be equipped with the exhaust gas temperature sensor on the compressor air-discharging pipeline, determine whether opens solenoid valve according to recording delivery temperature, thereby can prevent to burn, make the compression function be operated in the low temperature environment, the environment for use temperature range of expansion water heater because of excessive discharge temperature causes compressor;
5, in hot-water return, be provided with water circulating pump, can guarantee the hot water circuit of field of employment, be specially adapted to water occasions such as floor heating.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Wherein: 1, compressor; 2, exhaust gas temperature sensor; 3, high-voltage switch gear; 4, cross valve; 5, heat exchanger; 6, leaving water temperature sensor; 7, return water temperature sensor; 8, water circulating pump; 9, heat exchanger liquid pipe temperature sensor; 10, two-way fluid reservoir; 11, filter; 12, throttling arrangement; 13, magnetic valve; 14, hydrojet capillary; 15, evaporimeter; 16, inflow temperature sensor; 17, evaporimeter liquid pipe temperature sensor; 18, low tension switch; 19, suction temperature sensor; 20, water circulating pump.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Figure 1, a kind of water source heat pump water heater, comprise refrigerating circuit, hot-water return and controller, described refrigerating circuit comprises compressor 1, cross valve 4, heat exchanger 5, throttling arrangement, evaporimeter 15, the exhaust outlet of described compressor 1 is responsible for a mouthful D with described cross valve and is connected, be connected with the inlet of described heat exchanger 5 through cross valve 4 mouth of pipe C, the liquid outlet of heat exchanger 5 is connected with described throttling arrangement electric expansion valve 12 through a two-way fluid reservoir 10, and a filter 11 is set respectively on the two ends pipeline of electric expansion valve 12, be connected to again in the import of described evaporimeter 15, evaporimeter 15 outlets are connected with the E mouth of pipe of cross valve, are connected with the air entry of described compressor 1 through valve S mouth; Described evaporimeter 15 two ends are provided with inlet pipeline and outlet pipeline, and the middle part of described evaporimeter 15 is provided with an evaporimeter liquid pipe temperature sensor 17, and the nearly import department of inlet pipeline that is positioned at evaporimeter 15 is provided with inflow temperature sensor 16; Described hot-water return comprises heat exchanger 5 and is arranged at the water return pipeline and the outlet pipeline at heat exchanger two ends, described water return pipeline is provided with water circulating pump 8, nearly import department is provided with return water temperature sensor 7 at water return pipeline, and the nearly exit of outlet pipeline is provided with leaving water temperature sensor 6; Between the suction line of compressor 1 and described heat exchanger 5 liquid outlets, insert an auxiliary temperature-reducing pipeline, this pipeline is made of a magnetic valve 13 and a hydrojet capillary 14 serial connections, the gas exhaust piping of described compressor 1 is provided with an exhaust gas temperature sensor 2, records the keying that temperature is controlled described magnetic valve 13 by this exhaust gas temperature sensor 2.
As shown in Figure 1, nearly described heat exchanger 5 liquid outlet places are provided with a heat exchanger liquid pipe temperature sensor 9.When recording the temperature anomaly superelevation, this sensor (causes) because of discharge is not enough; or record temperature and cross low even when in heat exchanger, freezing (discharge deficiency when defrost); operate in low frequency state or shutdown by controller control compressor 1, protect heat exchanger 5 with this.The middle part of described evaporimeter 15 is furnished with an evaporimeter liquid pipe temperature sensor 9, the nearly import department of inlet pipeline is provided with inflow temperature sensor 6, the aperture of electric expansion valve 12 is determined a basic aperture according to the running frequency of compressor 1 earlier, and then carries out the aperture adjusting according to the difference that the liquid pipe temperature sensor at evaporimeter 15 middle parts records the temperature that temperature and suction temperature sensor 19 record.
In the use:
When (1) normally heating water running, the low-temp low-pressure gas refrigerant becomes high temperature and high pressure gas through after the compression of DC frequency-changeable compressor, enter then and carry out heat exchange with water among the hot water heat exchanger 5 and water temperature is raise, carrying out water after the heat exchange is recycled water pump and is pumped into hot water through outlet pipeline and makes use (water storage box or be used for the pipeline of floor heating), the cold-producing medium that carries out after the heat exchange with water becomes highly pressurised liquid, enter then in the two-way fluid reservoir 10, after electric expansion valve 12 throttlings, become gas-fluid two-phase mixture, in the inflow evaporator 15, and carry out heat exchange with water therein by evaporimeter, the heat of drawing in the water makes the liquid refrigerant in the gas-liquid mixture be converted into gaseous state, and then enters and carry out new cyclic process in the DC frequency-changeable compressor.
(2) operate in the low temperature environment, as record environment temperature for-15 ℃ the time, this moment, DC frequency-changeable compressor was operated under the high frequency state, can supply with more cold-producing medium with this, cause compressor electric motor to run up, for the cold-producing medium of enough cooling motors is provided, drawing part of refrigerant at the drain pipe place of heat exchanger 5 comes cooling compressor to prevent that delivery temperature from raising unusually, liquid outlet at heat exchanger inserts an auxiliary temperature-reducing pipeline for this reason, form by a magnetic valve 13 and a hydrojet capillary 14, the other end capillaceous is connected on the air intake duct of compressor 1, be equipped with the exhaust gas temperature sensor 2 on gas exhaust piping, when recording delivery temperature and be higher than uniform temperature (presetting temperature), controller drives magnetic valve 13 and opens, hydrojet capillary 14 carries out hydrojet to the air intake duct of compressor, be lower than when setting value when recording delivery temperature, controller drives closed electromagnetic valve, stops hydrojet, thereby can prevent that temperature is too high and cause compressor to burn, adapt to low-temperature working environment needs.
Claims (7)
1. water source heat pump water heater, comprise refrigerating circuit, hot-water return and controller, described refrigerating circuit comprises compressor (1), cross valve (4), heat exchanger (5), throttling arrangement (12), evaporimeter (15), the exhaust outlet of described compressor (1) is responsible for mouth with described cross valve (4) and is connected, be connected with the inlet of described heat exchanger (5) through cross valve mouth of pipe C, the liquid outlet of heat exchanger (5) is connected with described evaporimeter (15) import through described throttling arrangement, evaporimeter (15) outlet is connected with the E mouth of pipe of cross valve, be connected through the air entry of the cross valve S mouth of pipe with described compressor (1), it is characterized in that: described compressor (1) is a frequency-changeable compressor, insert an auxiliary temperature-reducing pipeline between suction line of this compressor (1) and described heat exchanger (5) liquid outlet, this pipeline is made of a magnetic valve (13) and a hydrojet capillary (14) serial connection, the gas exhaust piping of described compressor (1) is provided with an exhaust gas temperature sensor (2), record the keying that temperature is controlled described magnetic valve (13) by this exhaust gas temperature sensor (2), described evaporimeter (15) two ends are provided with inlet pipeline and outlet pipeline, described hot-water return comprises heat exchanger (5) and is arranged at the water return pipeline and the outlet pipeline at heat exchanger (5) two ends, described water return pipeline is provided with water circulating pump (6), be provided with return water temperature sensor (7) in the nearly import department of water return pipeline, the nearly exit of outlet pipeline is provided with leaving water temperature sensor (6).
2. water source heat pump water heater according to claim 1 is characterized in that: be connected in series a two-way fluid reservoir (10) between the liquid outlet of described heat exchanger (5) and the described throttling arrangement.
3. water source heat pump water heater according to claim 1 is characterized in that: described throttling arrangement (12) can be a kind of in capillary, throttle pipe and the electric expansion valve, and the two ends that are positioned at throttling arrangement are respectively equipped with a filter (11).
4. water source heat pump water heater according to claim 1 is characterized in that: described heat exchanger (5) liquid outlet place is provided with a heat exchanger liquid pipe temperature sensor (9).
5. water source heat pump water heater according to claim 1 is characterized in that: described compressor (1) is a DC frequency-changeable compressor.
6. water source heat pump water heater according to claim 1, it is characterized in that: the middle part of described evaporimeter (15) is provided with an evaporimeter liquid pipe temperature sensor (17), the nearly import department of inlet pipeline that is positioned at evaporimeter (15) is provided with inflow temperature sensor (16), and the inlet pipeline of described evaporimeter is provided with water circulating pump (20).
7. water source heat pump water heater according to claim 1 is characterized in that: the gas exhaust piping of described compressor (1) is provided with high-voltage switch gear (3), and its suction line is provided with low tension switch (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202552735U CN201539970U (en) | 2009-11-20 | 2009-11-20 | Water source heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202552735U CN201539970U (en) | 2009-11-20 | 2009-11-20 | Water source heat pump water heater |
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| CN201539970U true CN201539970U (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202552735U Expired - Fee Related CN201539970U (en) | 2009-11-20 | 2009-11-20 | Water source heat pump water heater |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089711A (en) * | 2011-10-28 | 2013-05-08 | 三菱电机株式会社 | Pump and hot pump device |
| CN103216936A (en) * | 2013-04-11 | 2013-07-24 | 王子忠 | Environment-friendly energy-saving five-heating five-efficiency high temperature heat pump hot water unit system |
| CN104165459A (en) * | 2014-07-22 | 2014-11-26 | 江苏兆胜空调有限公司 | Seawater source heat pump hot water tank |
| CN108692461A (en) * | 2017-04-11 | 2018-10-23 | 青岛海尔新能源电器有限公司 | A kind of Teat pump boiler reheating control method |
| CN109790983A (en) * | 2016-07-07 | 2019-05-21 | 瑞典意昂公司 | Heating system |
| CN111707031A (en) * | 2020-05-25 | 2020-09-25 | 广东纽恩泰新能源科技发展有限公司 | Heat pump unit starting control method and system |
| CN113828574A (en) * | 2021-09-23 | 2021-12-24 | 宋明震 | System and method for maintaining solvent oil in turbulent flow state for part flushing |
-
2009
- 2009-11-20 CN CN2009202552735U patent/CN201539970U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089711A (en) * | 2011-10-28 | 2013-05-08 | 三菱电机株式会社 | Pump and hot pump device |
| CN103089711B (en) * | 2011-10-28 | 2016-01-27 | 三菱电机株式会社 | Pump and heat pump system |
| CN103216936A (en) * | 2013-04-11 | 2013-07-24 | 王子忠 | Environment-friendly energy-saving five-heating five-efficiency high temperature heat pump hot water unit system |
| CN104165459A (en) * | 2014-07-22 | 2014-11-26 | 江苏兆胜空调有限公司 | Seawater source heat pump hot water tank |
| CN109790983A (en) * | 2016-07-07 | 2019-05-21 | 瑞典意昂公司 | Heating system |
| CN108692461A (en) * | 2017-04-11 | 2018-10-23 | 青岛海尔新能源电器有限公司 | A kind of Teat pump boiler reheating control method |
| CN108692461B (en) * | 2017-04-11 | 2021-04-13 | 青岛海尔新能源电器有限公司 | Secondary heating control method for heat pump water heater |
| CN111707031A (en) * | 2020-05-25 | 2020-09-25 | 广东纽恩泰新能源科技发展有限公司 | Heat pump unit starting control method and system |
| CN111707031B (en) * | 2020-05-25 | 2021-06-11 | 广东纽恩泰新能源科技发展有限公司 | Heat pump unit starting control method and system |
| CN113828574A (en) * | 2021-09-23 | 2021-12-24 | 宋明震 | System and method for maintaining solvent oil in turbulent flow state for part flushing |
| CN113828574B (en) * | 2021-09-23 | 2022-06-21 | 宋明震 | System and method for maintaining solvent oil in turbulent flow state for part flushing |
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