CN105526709A - Auxiliary heat pump device of water heater and control method - Google Patents

Auxiliary heat pump device of water heater and control method Download PDF

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Publication number
CN105526709A
CN105526709A CN201410507780.9A CN201410507780A CN105526709A CN 105526709 A CN105526709 A CN 105526709A CN 201410507780 A CN201410507780 A CN 201410507780A CN 105526709 A CN105526709 A CN 105526709A
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China
Prior art keywords
water
heat pump
condenser
pump device
water heater
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CN201410507780.9A
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Chinese (zh)
Inventor
周浩
王慧
杨磊
陈康
姜慧峰
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Priority to CN201410507780.9A priority Critical patent/CN105526709A/en
Publication of CN105526709A publication Critical patent/CN105526709A/en
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Abstract

The invention relates to an auxiliary heat pump device of a water heater and a control method. The heat pump device comprises a heat pump system. The heat pump system comprises a condenser, a compressor, an evaporator, an expansion valve and an air supply device, wherein the condenser is provided with a water inlet end communicating with a water inlet pipe of the water heater, and a water outlet end communicating with a water outlet pipe of the water heater, so that circulating water flow between the water heater and the condenser is formed, and the purpose of auxiliary heating of the circulating water flow through heat in air by the heat pump system is achieved. More specifically, the evaporator is arranged close to the position where a user uses hot water of the water heater, so that the evaporator collects waste heat, diffused to the environment, of the hot water of the water heater and transfers the collected waste heat through refrigerants, heat exchange between the circulating water flow flowing through the condenser and the refrigerants flowing through the condenser is achieved, and auxiliary heating treatment of water in the water heater through the heat pump system is achieved.

Description

A kind of assisted heat pump device of water heater and control method
Technical field
The present invention relates to field of water heaters, particularly relate to a kind of external, that auxiliary heating is provided for water heater heat pump assembly, also relate to the hot water heating control method of the water heater that above-mentioned assisted heat pump device is housed.
Background technology
Existing water heater is different according to mode of heating, can be divided into electrical heating tubular type, solar energy heating formula, heat-pump-type, combustion gas or/natural gas formula.But the no matter water heater of which kind of mode of heating, after a certain period of use time, all exists that energy consumption is comparatively large, natural energy resources utilization rate is low, heating element heater is aging, causes the generation of the situations such as the water heater efficiency of heating surface reduces, hot water effluent delays the time.
Therefore, provide a kind of assisted heating device, after directly reequiping existing water heater, the firing equipment that just directly can improve its efficiency of heating surface becomes new research topic.More existing patent documents provide some schemes, as:
Application number is CN200920122278.0, a kind of condenser external solar heat pump and water heating integrated machine, comprise solar water heater, heat-pump hot-water unit, condenser and control circuit, heat exchanging copper pipe two ends are connected with compressor outlet and liquid receiver import respectively, temperature sensor, level sensor and blast pipe are installed in water tank, the water inlet pipe of water tank is provided with magnetic valve, and condenser is installed on the nearly below of water tank, and both have upper and lower water pipe to be connected.Below condenser inner bag hot water with above water tank cold water thermal convection current in heat-shift.The machine is exclusively used in the hot water supply in house and other places, and supplying hot water is not subject to the impact of season and Changes in weather, and water is without water pump, and by thermal convection current circulating reflux, the direct heat exchange of hot and cold water, energy-conservation, thermal effect is high, easy to maintenance, long service life.
Such scheme, solar water heater has installed additional external heat pump assembly, to improve the efficiency of heating surface of water heater.But aforesaid way is only by together integrated for two kinds of water heater mode of heatings, and not to functionally improving.
Further, after user uses water heater to carry out bathing, can be full of in the air between bathing and have a large amount of waste heats that in a large amount of bathing process, hot water produces, this partial heat can lose in vain, is unfavorable for reducing energy loss, reducing environmental pollution.Simultaneously, can produce in bathing process between a large amount of water vapor diffusion to bathing, the humidity of air in adding between bathing, generally need user to open the ventilation equipment such as exhaust blower and ventilations is carried out to the air between bathing process, to reduce air humidity, this just turn increases energy consumption.
In view of this, special proposition the present invention.
Summary of the invention
The object of the present invention is to provide a kind of assisted heat pump device of water heater, by means of energy in power air, water in water heater has been heated, reached economize energy, save hot water heating cost object.Another object is, be diffused into after water heater hot-water is used to user in air waste heat collect, and utilize and collect waste heat the water in water heater is heated, reduce heat energy loss in water heater, reach energy-conservation object; An object is again, carries out dehumidification treatments to the damp-heat air in environment after bathing, and carries out sterilization processing to the air flowing through assisted heat pump device.
For realizing goal of the invention, adopt following technical scheme:
An assisted heat pump device for water heater, described heat pump assembly comprises heat pump; Described heat pump comprises the condenser, compressor, evaporimeter, the expansion valve that connect successively by the road, to form the circulation canal for refrigerant flowing; Heat pump also comprises air-supply arrangement; Condenser is provided with the water inlet end be connected with the water inlet pipe of water heater, the water side be connected with the outlet pipe of water heater, and form the circulating water flow between water heater and condenser, heat pump utilizes the heat in air to carry out auxiliary heating to circulating water flow; Heat pump can also be utilized to use the waste heat diffused in environment during hot water to collect to water heater user, auxiliary heating is carried out to the water in water heater, reaches reduction thermal loss, the object of energy-conserving and environment-protective.
Further, described condenser is tube-in-tube condenser, and tube-in-tube condenser is provided with the water inlet end and water side that supply water flow, and supplies liquid feeding end and the outlet end of coolant media flowing.
Further, described tube-in-tube condenser comprises outer tube and is sheathed on interior pipe in outer tube, and the part between outer tube and interior pipe is first passage, part in interior pipe is second channel, first passage and the mutually isolated setting of second channel.The two ends of first passage or second channel are respectively equipped with water inlet end and water side, to form the circulating water flow passage between water heater and condenser.Relative Part II or the two ends of Part I are respectively equipped with liquid feeding end and outlet end, described liquid feeding end is connected with the compressor of heat pump by the road, outlet end is connected with the expansion valve of heat pump by the road, flow through condenser with the refrigerant of heat pump system, carry out heat exchange with circulating water flow.
Further, described air-supply arrangement also comprises air channel, and described evaporimeter is located in air channel, and described two ends, air channel communicate with external environment condition respectively, be provided with blower fan in described air channel, make in air channel, to form heat exchange air-flow that flow to the other end from one end, that flow through evaporimeter.
Further, in described air channel, be provided with bactericidal device, degerming disinfecting is carried out to the air-flow flowed through.
Further, described bactericidal device is made up of uviol lamp, launches ultraviolet and carries out degerming disinfecting to the air-flow flowed through.
Further, the water inlet end of condenser or water side are provided with the control device controlling circulating water flow break-make between water heater and condenser.
Further, described control device comprises the water pump being located at condenser water inlet end or water side, provides flow dynamic, makes to form circulating water flow between water heater and condenser; Be located at the check valve of condenser water inlet end and/or water side.
Preferred further, the water inlet of described condenser is connected with the water inlet pipe of water heater through the first check valve, and/or the delivery port of condenser is connected with the outlet pipe of water heater through the second check valve.
Further, the water inlet end of condenser is provided with the temperature sensor detecting coolant-temperature gage, between the check valve that water inlet end place is located at by described temperature sensor and water heater.
Further, the outlet pipe of described water heater and/or water inlet pipe are provided with water flow sensor.
Preferably, described flow sensor is located on outlet pipe, and described flow sensor is in the downstream of the junction, water side of outlet pipe and condenser condenses device;
And/or described flow sensor is located on water inlet pipe, and described flow sensor is in the upstream of the water inlet end junction of water inlet pipe and condenser condenses device.
Further, described assisted heat pump device comprises a housing, and described heat pump and bactericidal device are all located in the chamber that housing surrounds, and the outside of housing is located in the water inlet end of condenser and water side.
Further, the damp-heat air that user uses water heater bathing to produce forms the air-flow flowing through evaporimeter, the waste heat in damp-heat air is utilized to heat the refrigerant in evaporimeter, and the water waste heat collected is passed to through condenser in water heater, assisted heat pump device completes the waste heat recovery in air;
Preferably, the air intake in air channel is located at the gondola water faucet place near water heater.
The present invention also provides a kind of heating system control method that the assisted heat pump device of as above arbitrary described water heater is housed, it is characterized in that: between the condenser of water heater and assisted heat pump device, form circulating water flow, the heat pump of assisted heat pump device is collected the heat in environment, utilizes the heat collected in environment to carry out auxiliary heating to the circulating water flow flowing through condenser.
Further, when water heater is in holding state, the rate-determining steps of assisted heat pump device is as follows,
11) at interval of certain hour t1, the control device in assisted heat pump device is opened, and form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
12) after certain hour t2, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
13) above-mentioned steps 11 is alternately repeated successively) and 12);
Preferably, described t1 interval time is 2 hours, and working time t2 is 10 minutes.
Further, when water heater is in holding state, the rate-determining steps of assisted heat pump device is as follows,
21) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T > setting value T1, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
22) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T≤setting value T1, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
Preferably, described setting value T1 is 5 DEG C.
Further, when user uses water heater, the rate-determining steps of assisted heat pump device is as follows,
31) when the water flow sensor on the outlet pipe or water inlet pipe of water heater detects that hot water in water heater is after water heater outlet flows out, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
32) user uses the hot water flowed out in water heater, and the waste heat of hot water diffuses in surrounding air, makes surrounding air become damp-heat air;
33) when the hot water in water heater is after water heater outlet stops water outlet certain hour t3, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, the heat diffused to by hot water in environment carries out collecting, heating the current flowing through assisted heat pump device condenser through evaporimeter, and the water vapour in surrounding air is condensed into condensed water, to carry out dehumidification treatments to the air in environment;
Preferably, t3 is 15 minutes.
Further, the working method of assisted heat pump device is as follows:
1) air in environment is formed the heat exchange air-flow flowing through air channel by blower fan, and the evaporimeter in air channel and the exchanging air stream flowed through carry out heat exchange, to be absorbed heat by the coolant media flowing through evaporimeter to the waste heat recovery in surrounding air, waste heat;
2) water in the water tank of water heater is formed from water tank to water inlet pipe to condenser to outlet pipe to the circulating water flow of water tank, refrigerant after heat absorption carries out heat exchange, to carry out auxiliary heating to the water in water-heater water tank through condenser and the circulating water flow flowing through condenser.
Further, after the control water pump start/stop work of assisted heat pump device, the bactericidal device start/stop work in air channel, carries out bacteria removing to the air-flow flowed through, reaches the object of surrounding air being carried out to degerming sterilization.
Compared with prior art, beneficial effect of the present invention is as follows:
1, for existing water heater structure, only the two ends of assisted heating device of the present invention need be connected to respectively water inlet pipe and the outlet pipe of water heater, just achieve the repacking to existing water heater, assisted heating device of the present invention is utilized to carry out auxiliary heating process to the water in water heater, the heat made full use of in air heats water in water heater, less electrical energy use amount, reaches the object of economize energy and heating cost.
2, simultaneously, the hot water in water heater is utilized to carry out after bathing completes user, assisted heating device is utilized to be reclaimed by the heat diffused in environment in hot water use procedure, and utilize the heat reclaimed to heat the hot water in water heater, to reduce the hot water thermal loss of energy of water heater, economize energy while increase energy utilization rate.
3, also have, when assisted heating device is to heat recovery in environment, heat-soak treatment is carried out to the water vapour in surrounding air, make water vapour condensation generate condensed water, to reach the object to surrounding air dehumidifying.
4, by installing above-mentioned assisted heating device additional to water heater, the temperature in water-heater water tank is made automatically can to remain on the temperature of user's setting; And the water in water inlet pipe and outlet pipe and the water circulation in water tank are flowed, make at least part of water in outlet pipe be in heated condition, to reduce the stand-by period that user uses water heater hot-water.
5, structure of the present invention is simple, Be very effective, is suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention;
Fig. 2 water heater holding state of the present invention workflow schematic diagram;
Water heater holding state workflow schematic diagram in Fig. 3 another embodiment of the present invention;
Fig. 4 water heater working operation of the present invention schematic flow sheet;
The structural representation of Fig. 5 middle sleeve formula of the present invention condenser;
Main element illustrates: 1-water heater, 10-water tank, 11-outlet pipe, 12-water inlet pipe, 13-flow sensor, 14-heating unit, 2-housing, the 21-the first check valve, the 22-the second check valve, 23-water pump, 24-temperature sensor, 3-heat pump, 31-condenser, 32-compressor, 33-evaporimeter, 34-expansion valve, 35-air channel, 36-blower fan, 37-uviol lamp, 311-outer tube, 312-interior pipe, 313-water inlet end, 314-water side, 315-liquid feeding end, 316-outlet end.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in more detail.
Water heater 1 described in the present invention can be the water heater 1 of arbitrary mode of heating in prior art, and described water heater 1 comprises water tank 10; Water inlet pipe 12; Outlet pipe 11; Also comprise the heating unit 14 that in prior art, any one heats the water in water tank 10, described heating unit can be electric heating tube, solar energy heating plate, heat pump heating system etc.; For ease of describing, the water heater that following embodiment is electric heating tube with heating unit 14 is described.
Embodiment one
As shown in Figure 1, describe a kind of assisted heat pump device of water heater in the present embodiment, described heat pump assembly comprises heat pump 3.Described heat pump 3 to be connected successively by pipeline by compressor 32, condenser 31, evaporimeter 33 and expansion valve 34 and to form, to form the circulation canal for refrigerant flowing.
As shown in Figure 5, in the present embodiment, described condenser 31 is tube-in-tube condenser, the interior pipe 312 that described tube-in-tube condenser comprises outer tube 311 and is sheathed in outer tube.Passage between outer tube 311 and interior pipe 312 is first passage, passage in interior pipe 312 is second channel.Described first passage and the relatively independent setting of second channel.The two ends of first passage or second channel are respectively equipped with water inlet end 313 and water side 314, and water inlet end 313 is connected with the water inlet pipe 12 of water heater, and water side 314 is connected with the outlet pipe 11 of water heater, to form the circulating water flow between water tank 10 and condenser 31.The two ends of Part II or Part I are respectively equipped with liquid feeding end 315 and outlet end 316, described liquid feeding end 315 is connected with the compressor 32 of heat pump by the road, outlet end 316 is connected with the expansion valve 34 of heat pump by the road, flows through condenser for refrigerant.Thus, by above-mentioned condenser, realize the object of the water in water heater and the refrigerant in heat pump being carried out to heat exchange.
In the present embodiment, described heat pump 3 also comprises air channel 35, the pipeline that described air channel 35 is connected with outside respectively by both ends open is formed, and is provided with blower fan 36 in described air channel 35, acts on the air in external environment condition is formed the heat exchange air-flow flowing through air channel 35 through blower fan 36.Described evaporimeter 32 is located in air channel 35, and the refrigerant in evaporimeter 35 and exchanging air stream carry out heat exchange, after the heat in heat exchange air-flow is absorbed heat by coolant media, flows through tube-in-tube condenser; At tube-in-tube condenser place, the heat of absorbing environmental air in coolant media is passed to and flows through in the circulating water flow of condenser, the hydro-thermal amount of water heater is increased, realize utilizing the heat in surrounding air the water in water heater to be carried out to the object of auxiliary heating.
In the present embodiment, the waste heat in the damp-heat air that user can also use water heater bathing to produce by assisted heat pump device carries out collecting and utilizes the waste heat collected to heat the water in water heater; Meanwhile, the water vapour in environment in damp-heat air is after heat absorption, and condensation generates condensed water, and the condensed water of generation is discharged along condensed water discharge pipe road, achieves the dehumidification treatments to damp-heat air in environment after bathing.
Embodiment two
As shown in Figure 1, in the present embodiment, the water inlet end of condenser 31 or water side are provided with the control device controlling circulating water flow break-make between water heater and condenser, to realize the control to the circulating water flow break-make between the water tank 10 of water heater 1 and condenser 31.
Described control device at least comprises, and provides flow dynamic, makes to be formed between water tank 10 and condenser 31 water pump 23 of circulating water flow; Preferably, described water pump 23 is located on the connecting line between condenser 31 and outlet pipe 11.All right, water pump 23 is located on the connecting line between condenser 31 and water inlet pipe 12 (not indicating in the accompanying drawings).
Described control device also comprises, the check valve of control piper break-make, and described check valve is located on the circulating water flow passage that condenser and water tank form.
Preferably, as shown in Figure 1, in the present embodiment, the water inlet of described condenser 31 is connected with the water inlet pipe 12 of water heater 1 through the first check valve 21, and the delivery port of condenser 31 is connected with the outlet pipe 11 of water heater 1 through the second check valve 22.
Embodiment three
As shown in Figure 1, in the present embodiment, described assisted heat pump device comprises a housing 2, and described heat pump 3 is located in the chamber that housing 2 surrounds.It is outside that condenser 31 water inlet end of heat pump 3 and water side are located at housing 2 respectively, to form water inlet end and the water side of assisted heat pump device.The two ends, air channel 35 of heat pump 3 are in housing 2 outside respectively or are located at the corresponding opening part of housing 2, to form air inlet and the air outlet of assisted heat pump device.
Embodiment four
This embodiment describes as arbitrary in embodiment one to three as described in the control method of assisted heat pump device of water heater, its concrete steps are as follows:
1) air in environment is formed and flows through the air-flow in air channel by blower fan, and the evaporimeter in air channel and the air-flow flowed through carry out heat exchange, with to the waste heat recovery in surrounding air, the refrigerant heat absorption flowing through evaporimeter;
2) water in the water tank of water heater is formed from water tank to water inlet pipe to condenser to outlet pipe to the circulating water flow of water tank, and the refrigerant after heat absorption carries out heat exchange, to carry out auxiliary heating to the water in water-heater water tank through condenser and the current flowing through condenser.
As shown in Figure 2, when water heater is in holding state, the rate-determining steps of assisted heat pump device is as follows,
11) at interval of certain hour t1, the control device in assisted heat pump device is opened, and form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
12) after certain hour t2, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
13) above-mentioned steps 11 is alternately repeated successively) and 12);
Preferably, described t1 interval time is 2 hours, and working time t2 is 10 minutes.
Thus, under water heater holding state, utilize heat pump assembly to achieve the object of the water in water-heater water tank being carried out automatically to auxiliary heating, to ensure that the water in water tank is in keeping warm mode.
Embodiment five
Describe a kind of assisted heat pump device of water heater in the present embodiment, the difference of itself and embodiment four is:
As shown in Figure 1, the water inlet end place of described condenser 31 is provided with the temperature sensor 24 detecting coolant-temperature gage, to detect the water flow temperature flowing through condenser 31.Preferably, described temperature sensor 24 is located between the water inlet end of condenser 31 and the water inlet pipe 12 of water heater 1; Further preferred, described temperature sensor 24 is located between the first check valve 21 and water inlet pipe 12, with to flowing or water between the water tank 10 that do not flow and condenser 31 in connecting line carry out temperature detection.
As shown in Figure 3, this embodiment describes water heater when being in holding state, the control method of assisted heat pump device, its concrete rate-determining steps is as follows,
21) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T > setting value T1, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
22) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T≤setting value T1, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
Preferably, described setting value T1 is 5 DEG C.
In the present embodiment, described step 21) to 22) can with the step 11 described in embodiment four) to step 13) perform simultaneously, be independent of each other, to improve the control accuracy of assisted heat pump device further.
Embodiment six
Describe a kind of assisted heat pump device of water heater in this enforcement, the difference of itself and embodiment four and five is:
As shown in Figure 1, outlet pipe 11 and/or the water inlet pipe 12 of described water heater 1 are provided with water flow sensor 13, to detect the current of outflow and/or inflow water-heater water tank 10.Preferably, described water tank 10 is the press-bearing water tank of inner pressure constant, make the current flowing into water tank 10 identical with the current flowing out water tank 10, just only flow sensor 13 need be set the arbitrary place in outlet pipe 11 and water inlet pipe 12, can meet and detect to inflow with while flowing out water tank 10 current.
Preferably, if flow sensor 10 is located on outlet pipe 11, then flow sensor 10 need be in the downstream of the junction, water side of outlet pipe 11 and condenser 31; If flow sensor 10 is located on water inlet pipe 12, then flow sensor 10 need be in the upstream of the water inlet end junction of water inlet pipe 12 and condenser 31.Thus, avoid flow sensor 10 by the circulating water flow between water-heater water tank 10 and condenser 31, think the current flowing into or flow out water tank 10 by mistake, cause the generation whether user being used to hot water misjudgment situation in water heater.
As shown in Figure 4, this embodiment describes user when using water heater, the control method of assisted heat pump device, its concrete rate-determining steps is as follows,
31) when the water flow sensor on the outlet pipe or water inlet pipe of water heater detects that hot water in water heater is after water heater outlet flows out, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
32) user uses the hot water flowed out in water heater, and the waste heat of hot water diffuses in surrounding air, makes surrounding air become damp-heat air;
33) when the hot water in water heater is after water heater outlet stops water outlet certain hour t3, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, the heat diffused to by hot water in environment carries out collecting, heating the current flowing through assisted heat pump device condenser through evaporimeter, and the water vapour in surrounding air is condensed into condensed water, to carry out dehumidification treatments to the air in environment;
Preferably, 34) after the air humidity in environment reaches setting value, the control water pump of assisted heat pump device quits work.
Preferred further, t3 is 15 minutes.
Thus, the hot water in water heater is utilized to carry out after bathing completes user, utilize the heat pump that assisted heating device is arranged to be carried out reclaiming by the heat diffused in environment and utilize the heat reclaimed to heat the hot water injection in water heater, to reduce the energy consumption of water heater, reach the object of energy-saving and emission-reduction.Meanwhile, when assisted heating device reclaims the heat in environment, heat-soak treatment can be carried out to the water vapour in surrounding air, make water vapour condensation generate condensed water, to reach the object to surrounding air dehumidifying.
Embodiment seven
As shown in Figure 1, in the present embodiment, in described air channel 35, be provided with bactericidal device; Described bactericidal device is made up of uviol lamp 37, and uviol lamp 37 carries out degerming disinfecting by irradiation ultraviolet radiation to the exchanging air stream flowing through air channel 35.
In the present embodiment, after the water pump 23 of assisted heat pump device is opened or quit work, what the bactericidal device in air channel 35 was corresponding starts or stops work, controllably to carry out bacteria removing to the air-flow flowed through, reaches the object of surrounding air being carried out to degerming sterilization.
Embodiment in above-described embodiment can combine further or replace; and embodiment is only be described the preferred embodiments of the present invention; not the spirit and scope of the present invention are limited; under the prerequisite not departing from design philosophy of the present invention; the various changes and modifications that in this area, professional and technical personnel makes technical scheme of the present invention, all belong to protection scope of the present invention.

Claims (11)

1. an assisted heat pump device for water heater, described heat pump assembly comprises heat pump (3); Described heat pump (3) comprises condenser (31), compressor (32), evaporimeter (33), expansion valve (34) and air-supply arrangement; It is characterized in that: condenser (31) is provided with the water inlet end be connected with the water inlet pipe of water heater (1) (12), the water side be connected with the outlet pipe (11) of water heater (1), form the circulating water flow between water heater and condenser, heat pump utilizes the heat in air to carry out auxiliary heating to circulating water flow.
2. assisted heat pump device according to claim 1, it is characterized in that: described condenser (31) is tube-in-tube condenser, tube-in-tube condenser is provided with the water inlet end and water side that supply water flow, and supplies liquid feeding end and the outlet end of coolant media flowing.
3. assisted heat pump device according to claim 1, it is characterized in that: described air-supply arrangement comprises air channel (35), described evaporimeter (33) is located in air channel (35), described air channel (35) two ends communicate with external environment condition respectively, are provided with blower fan (36) in described air channel (35); Be provided with bactericidal device in described air channel (35), degerming disinfecting is carried out to the air-flow flowed through;
Preferably, described bactericidal device is made up of uviol lamp (37), launches ultraviolet and carries out degerming disinfecting to the air-flow flowed through.
4., according to the arbitrary described assisted heat pump device of claims 1 to 3, it is characterized in that: the water inlet end of condenser (31) or water side are provided with the control device controlling circulating water flow break-make between water heater and condenser;
Preferably, described control device comprises the water pump (23) being located at condenser (31) water inlet end or water side, is located at the check valve (21) of condenser (31) water inlet end and/or water side.
5. according to the arbitrary described assisted heat pump device of claims 1 to 3, it is characterized in that: the water inlet end of condenser (31) is provided with the temperature sensor (24) detecting coolant-temperature gage;
Preferably, the outlet pipe (11) of described water heater (1) and/or water inlet pipe (12) are provided with water flow sensor (13).
6. according to the arbitrary described assisted heat pump device of claim 1 to 5, it is characterized in that: described assisted heat pump device comprises a housing (2), described heat pump (3) and bactericidal device are all located in the chamber that housing (2) surrounds, and the outside of housing (2) is located in the water inlet end of condenser (31) and water side.
7. one kind be equipped with as arbitrary in claim 1 to 6 as described in the control method of assisted heat pump device of water heater, it is characterized in that: between the condenser of water heater and assisted heat pump device, form circulating water flow, the heat pump of assisted heat pump device is collected the heat in environment, utilizes the heat collected in environment to carry out auxiliary heating to the circulating water flow flowing through condenser.
8. control method according to claim 7, is characterized in that: when water heater is in holding state, the rate-determining steps of assisted heat pump device is as follows,
11) at interval of certain hour t1, the control device in assisted heat pump device is opened, and form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
12) after certain hour t2, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
13) above-mentioned steps 11 is alternately repeated successively) and 12);
Preferably, described t1 interval time is 2 hours, and working time t2 is 10 minutes.
9. the control method according to claim 7 or 8, is characterized in that: when water heater is in holding state, and the rate-determining steps of assisted heat pump device is as follows,
21) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T > setting value T1, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, and heats the current flowing through assisted heat pump device condenser;
22) when the condenser water inlet end temperature T of assisted heat pump device is compared with design temperature T ': after T '-T≤setting value T1, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
Preferably, described setting value T1 is 5 DEG C.
10. according to the arbitrary described control method of claim 7 to 9, it is characterized in that: when user uses water heater, the rate-determining steps of assisted heat pump device is as follows,
31) when the water flow sensor on the outlet pipe or water inlet pipe of water heater detects that hot water in water heater is after water heater outlet flows out, the control device in assisted heat pump device disconnects, and circulating water flow stops flowing, and heat pump quits work;
32) user uses the hot water flowed out in water heater, and the waste heat of hot water diffuses in surrounding air, makes surrounding air become damp-heat air;
33) when the hot water in water heater is after water heater outlet stops water outlet certain hour t3, control device in assisted heat pump device is opened, form the circulating water flow between water heater and assisted heat pump device, heat pump is started working, the heat diffused to by hot water in environment carries out collecting, heating the current flowing through assisted heat pump device condenser through evaporimeter, and the water vapour in surrounding air is condensed into condensed water, to carry out dehumidification treatments to the air in environment;
Preferably, t3 is 15 minutes.
11., according to the arbitrary described control method of claim 7 to 10, is characterized in that: after the control water pump start/stop work of assisted heat pump device, and the bactericidal device start/stop work in air channel, carries out bacteria removing to the air-flow flowed through;
Preferably, the working method of assisted heat pump device is as follows:
1) air in environment is formed the heat exchange air-flow flowing through air channel by blower fan, and the evaporimeter in air channel and the exchanging air stream flowed through carry out heat exchange, to be absorbed heat by the coolant media flowing through evaporimeter to the waste heat recovery in surrounding air, waste heat;
2) water in the water tank of water heater is formed from water tank to water inlet pipe to condenser to outlet pipe to the circulating water flow of water tank, refrigerant after heat absorption carries out heat exchange, to carry out auxiliary heating to the water in water-heater water tank through condenser and the circulating water flow flowing through condenser.
CN201410507780.9A 2014-09-28 2014-09-28 Auxiliary heat pump device of water heater and control method Pending CN105526709A (en)

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CN107906761A (en) * 2017-11-06 2018-04-13 广东美的暖通设备有限公司 Air-source water heater and its energy-saving control method, control device
CN109042875A (en) * 2018-09-07 2018-12-21 广东聚腾环保设备有限公司 A kind of air heat source and thermal pump sterilization of milk system
CN109430670A (en) * 2018-09-07 2019-03-08 广东聚腾环保设备有限公司 A kind of air heat source and thermal pump pasteurization system
CN109974074A (en) * 2019-03-29 2019-07-05 福建工程学院 A kind of publilc baths residual neat recovering system and its control method
CN113137761A (en) * 2020-01-19 2021-07-20 青岛海尔新能源电器有限公司 Waste heat recovery control method for heat pump water heater

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CN107906761A (en) * 2017-11-06 2018-04-13 广东美的暖通设备有限公司 Air-source water heater and its energy-saving control method, control device
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CN109974074A (en) * 2019-03-29 2019-07-05 福建工程学院 A kind of publilc baths residual neat recovering system and its control method
CN113137761A (en) * 2020-01-19 2021-07-20 青岛海尔新能源电器有限公司 Waste heat recovery control method for heat pump water heater
CN113137761B (en) * 2020-01-19 2022-12-13 青岛海尔新能源电器有限公司 Waste heat recovery control method for heat pump water heater

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