CN109489102A - A kind of low temperature double stage heat pump unit - Google Patents

A kind of low temperature double stage heat pump unit Download PDF

Info

Publication number
CN109489102A
CN109489102A CN201811470198.4A CN201811470198A CN109489102A CN 109489102 A CN109489102 A CN 109489102A CN 201811470198 A CN201811470198 A CN 201811470198A CN 109489102 A CN109489102 A CN 109489102A
Authority
CN
China
Prior art keywords
water
heat pump
water pipe
pipe
source heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811470198.4A
Other languages
Chinese (zh)
Inventor
夏青
杜军
刘松涛
甘杰超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Creates A New Energy Ltd By Share Ltd
Original Assignee
Zhejiang Creates A New Energy Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Creates A New Energy Ltd By Share Ltd filed Critical Zhejiang Creates A New Energy Ltd By Share Ltd
Priority to CN201811470198.4A priority Critical patent/CN109489102A/en
Publication of CN109489102A publication Critical patent/CN109489102A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/10Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/12Heat pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

本发明公开了一种低温双级热泵机组,包括空气源热泵热水器、水源热泵热水器、分层水箱、若干水管、控制器、若干电孔阀门,所述的水源热泵热水器第一进水口处设有进水水管,所述的进水水管与外界水源连通,所述的水源热泵热水器第一出水口端设有第二水管,所述的第二水管的另一端与分层水箱的进水口端连通,本发明通过将空气源热泵和水源热泵进行双级集成,利用第一级空气源热泵侧制备15—25℃的温水,作为水源热泵的低位热源,再由水源热泵侧制备成45℃以上的热水给建筑物内供热采暖,低温空气源热泵部分特别适用于北方寒冷工况,确保设备高效运行,运行恒稳,综合能效较空气源热泵提升30%以上,有效提高系统的全天候保障能力。

The invention discloses a low-temperature two-stage heat pump unit, comprising an air source heat pump water heater, a water source heat pump water heater, a layered water tank, a plurality of water pipes, a controller, and a plurality of electric hole valves. The first water inlet of the water source heat pump water heater is provided with The water inlet pipe is connected with the external water source, the first water outlet end of the water source heat pump water heater is provided with a second water pipe, and the other end of the second water pipe is communicated with the water inlet end of the layered water tank In the present invention, the air source heat pump and the water source heat pump are integrated in two stages, and the first-stage air source heat pump side is used to prepare warm water of 15-25 ℃, which is used as the low-level heat source of the water source heat pump, and then the water source heat pump side is prepared to a temperature above 45 ℃. The hot water is used for heating and heating in the building. The low-temperature air source heat pump part is especially suitable for the cold working conditions in the north to ensure the efficient and stable operation of the equipment. The comprehensive energy efficiency is more than 30% higher than that of the air source heat pump, which effectively improves the all-weather support capability of the system. .

Description

A kind of low temperature double stage heat pump unit
[technical field]
The present invention relates to the technical fields of heat pump, the especially technical field of low temperature double stage heat pump unit.
[background technique]
In China Northeast Cold Area, outdoor temperature is minimum up to subzero more than 30 Dus or more, and conventional air source heat pump etc. is single Grade device compressor cold-starting is difficult, and radiation loss is big, and greasy property is poor, is unable to satisfy under the lower environment of temperature existing Heating demands.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of low temperature double stage heat pump unit, Neng Gouke are proposed The problems such as single level devices such as air source heat pump compressor low-temperature starting is difficult, and radiation loss is big, and greasy property is deteriorated, operation are taken Permanent steady, comprehensive energy efficiency promotes 30% or more compared with air source heat pump, effectively improves the round-the-clock supportability of system.
To achieve the above object, the invention proposes a kind of low temperature double stage heat pump unit, including air source hot pump water heater, Water source heat pump water heater, stratified water tanks, several water pipes, controller, several electric hole valves, the water source heat pump water heater first Water inlet is equipped with water inlet water pipe, and the water inlet water pipe is connected to external source, and the water source heat pump water heater first goes out Mouth of a river end is equipped with the second water pipe, and the other end of the second water pipe is connected to the inlet end of stratified water tanks, the layering Water outlet of water tank end is equipped with third water pipe, and the other end of the third water pipe and the inlet end of air source hot pump water heater connect Logical, the water outlet end of the air source hot pump water heater is equipped with the 4th water pipe, the other end and water source of the 4th water pipe Second water inlet of Teat pump boiler is connected to, and the second water outlet of the water source heat pump water heater is additionally provided with return water water pipe, institute First water inlet of the water source heat pump water heater stated is connected to the first water outlet, the second water inlet of the water source heat pump water heater Mouth is connected to the second water outlet, and the other end of the return water water pipe is connected to heating of house pipeline, on the water inlet water pipe Equipped with the first electric control valve, the third water pipe is equipped with the second electric hole valve, and the 4th water pipe is equipped with third electricity Valve is controlled, the controller and air source hot pump water heater, water source heat pump water heater, several electric ports valve door controls connect.
Preferably, the 6th water pipe is equipped between the water inlet water pipe and third water pipe, the two of the 6th water pipe End is connected to water inlet water pipe and third water pipe respectively, and the 6th water pipe is equipped with the 4th electric control valve.
Preferably, the 7th water pipe is equipped between the 4th water pipe and return water water pipe, the two of the 7th water pipe End is connected to the 4th water pipe and return water water pipe respectively, and described is equipped with the 5th electric control valve.
Preferably, being additionally provided with several counterflow-preventing check (non-return) valves on the water pipe, second water pipe is equipped with first Counterflow-preventing check (non-return) valve, water (flow) direction is that stratified water tanks are flowed to from water source heat pump water heater in second water pipe, and described returns Water water pipe is equipped with the second counterflow-preventing check (non-return) valve, and water (flow) direction is to flow out from water source heat pump water heater in the return water water pipe.
Preferably, being equipped with the first temperature sense close to air source hot pump water heater water outlet on the 4th water pipe Device is equipped with second temperature inductor, first temperature close to water source heat pump water heater water outlet on the return water water pipe Inductor, second temperature inductor is spent to communicate to connect with controller data.
A kind of low temperature double stage heat pump unit of the present invention the utility model has the advantages that the present invention by by air source heat pump and water resource heat pump It carries out that twin-stage is integrated, 15-25 DEG C of warm water is prepared using first order air source heat pump side, as the low level heat energy of water resource heat pump, 45 DEG C or more of hot water is prepared by water resource heat pump side again to heat supply heating in building, low-temperature air source heat pump part is especially suitable For northern cold condition, it is ensured that equipment high efficiency operation runs perseverance surely, and comprehensive energy efficiency promotes 30% or more compared with air source heat pump, Effectively improve the round-the-clock supportability of system.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of low temperature double stage heat pump set structure schematic diagram of the present invention.
In figure: 1- air source hot pump water heater, 2- water source heat pump water heater, 3- stratified water tanks, 4- water pipe, 5- controller, 6- electricity hole valve, 7- counterflow-preventing check (non-return) valve, 41- water inlet water pipe, the second water pipe of 42-, 43- third water pipe, 44- third water pipe, 45- The electric hole valve of return water water pipe, the 6th water pipe of 46-, the 7th water pipe of 47-, the first electric control valve of 61-, 62- second, 63- third are automatically controlled Valve, the first counterflow-preventing of 71- check (non-return) valve, the second counterflow-preventing of 72- check (non-return) valve, the first temperature inductor of 81-, 82- second temperature sense Answer device.
[specific embodiment]
Refering to fig. 1, a kind of low temperature double stage heat pump unit of the present invention, including air source hot pump water heater 1, water resource heat pump hot water Device 2, stratified water tanks 3, several water pipes 4, controller 5, several electric hole valves 6,2 first water inlet of water source heat pump water heater Place is equipped with water inlet water pipe 41, and the water inlet water pipe 41 is connected to external source, and the water source heat pump water heater 2 first is discharged Mouth end is equipped with the second water pipe 42, and the other end of second water pipe 42 is connected to the inlet end of stratified water tanks 3, point Layer 3 water outlet end of water tank is equipped with third water pipe 43, the other end of the third water pipe 43 and air source hot pump water heater 1 into The water outlet end of the connection of mouth of a river end, the air source hot pump water heater 1 is equipped with the 4th water pipe 44, the 4th water pipe 44 The other end is connected to the second water inlet of water source heat pump water heater 2, and the second water outlet of the water source heat pump water heater 2 is also set There is return water water pipe 45, the first water inlet of the water source heat pump water heater 2 is connected to the first water outlet, the water resource heat pump Second water inlet of water heater 2 is connected to the second water outlet, and the other end and heating of house pipeline of the return water water pipe 45 connect Logical, the water inlet water pipe 41 is equipped with the first electric control valve 61, and the third water pipe 43 is equipped with the second electric hole valve 62, 4th water pipe 44 is equipped with third electric control valve 63, the controller 5 and air source hot pump water heater 1, water source heat Pump water heater 2, several electric hole valves 6 control connection, and the 6th water pipe is equipped between the water inlet water pipe 41 and third water pipe 43 46, the both ends of the 6th water pipe 46 are connected to water inlet water pipe 41 and third water pipe 43 respectively, on the 6th water pipe 46 Equipped with the 4th electric control valve 64, between the 4th water pipe 44 and return water water pipe 45 be equipped with the 7th water pipe 47, the described the 7th The both ends of water pipe 47 are connected to the 4th water pipe 44 and return water water pipe 45 respectively, described to be equipped with the 5th electric control valve 65, described Water pipe 4 on be additionally provided with several counterflow-preventing check (non-return) valves 7, second water pipe 42 is equipped with the first counterflow-preventing check (non-return) valve 71, institute Water (flow) direction is to flow to stratified water tanks 3 from water source heat pump water heater 2 in the second water pipe 42 stated, and is set on the return water water pipe 45 There is the second counterflow-preventing check (non-return) valve 72, water (flow) direction is to flow out from water source heat pump water heater 2 in the return water water pipe 45, described The first temperature inductor 81, the return water water pipe are equipped with close to 1 water outlet of air source hot pump water heater on 4th water pipe 44 Second temperature inductor 82, first temperature inductor 81, the are equipped with close to 2 water outlet of water source heat pump water heater on 45 Two temperature inductors 82 are connect with 5 data communication of controller.
The course of work of the present invention:
A kind of low temperature double stage heat pump unit of the present invention during the work time, by the water inlet water pipe 41 and return water water pipe 45 of unit It is connected to respectively with external source and heating of house pipeline is connected to, 15-25 DEG C of warm water is prepared by air source hot pump water heater 1, As the low level heat energy of water resource heat pump, the hot water that recycles water source heat pump water heater 2 to be prepared into 45 DEG C or more in building to supplying Heating, controller 5 can control each electricity by the temperature of the first temperature inductor 81 and second temperature inductor 82 of analysis Hole valve 6 chooses whether to be heated across water source heat pump water heater 2, more energy efficient environmental protection.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention Scheme all belong to the scope of protection of the present invention.

Claims (5)

1. a kind of low temperature double stage heat pump unit, it is characterised in that: including air source hot pump water heater (1), water source heat pump water heater (2), stratified water tanks (3), several water pipes (4), controller (5), several electric hole valves (6), the water source heat pump water heater (2) First water inlet is equipped with water inlet water pipe (41), and the water inlet water pipe (41) is connected to external source, the water resource heat pump (2) first water outlet end of water heater is equipped with the second water pipe (42), the other end of second water pipe (42) and stratified water tanks (3) Inlet end connection, the stratified water tanks (3) water outlet end be equipped with third water pipe (43), the third water pipe (43) The other end is connected to the inlet end of air source hot pump water heater (1), the water outlet end of the air source hot pump water heater (1) Equipped with the 4th water pipe (44), the other end of the 4th water pipe (44) and second water inlet of water source heat pump water heater (2) connect Logical, the second water outlet of the water source heat pump water heater (2) is additionally provided with return water water pipe (45), the water source heat pump water heater (2) the first water inlet is connected to the first water outlet, the second water inlet of the water source heat pump water heater (2) and the second water outlet Mouth connection, the other end of the return water water pipe (45) are connected to heating of house pipeline, and the water inlet water pipe (41) is equipped with First electric control valve (61), the third water pipe (43) are equipped with the second electric hole valve (62), the 4th water pipe (44) It is equipped with third electric control valve (63), the controller (5) and air source hot pump water heater (1), water source heat pump water heater (2), several electric hole valves (6) control connection.
2. a kind of low temperature double stage heat pump unit as described in claim 1, it is characterised in that: the water inlet water pipe (41) and the Be equipped with the 6th water pipe (46) between three water pipes (43), the both ends of the 6th water pipe (46) respectively with water inlet water pipe (41) and the Three water pipes (43) connection, the 6th water pipe (46) are equipped with the 4th electric control valve (64).
3. a kind of low temperature double stage heat pump unit as described in claim 1, it is characterised in that: the 4th water pipe (44) with return Between water water pipe (45) be equipped with the 7th water pipe (47), the both ends of the 7th water pipe (47) respectively with the 4th water pipe (44) and time Water water pipe (45) connection, described is equipped with the 5th electric control valve (65).
4. a kind of low temperature double stage heat pump unit as described in claim 1, it is characterised in that: be additionally provided on the water pipe (4) Several counterflow-preventing check (non-return) valves (7), second water pipe (42) are equipped with the first counterflow-preventing check (non-return) valve (71), second water Pipe (42) interior water (flow) direction is to flow to stratified water tanks (3) from water source heat pump water heater (2), and the return water water pipe (45) is equipped with Second counterflow-preventing check (non-return) valve (72), return water water pipe (45) the interior water (flow) direction are to flow out from water source heat pump water heater (2).
5. a kind of low temperature double stage heat pump unit as described in claim 1, it is characterised in that: leaned on the 4th water pipe (44) Nearly air source hot pump water heater (1) water outlet is equipped with the first temperature inductor (81), close on the return water water pipe (45) Water source heat pump water heater (2) water outlet is equipped with second temperature inductor (82), first temperature inductor (81), second Temperature inductor (82) is connect with controller (5) data communication.
CN201811470198.4A 2018-12-04 2018-12-04 A kind of low temperature double stage heat pump unit Pending CN109489102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811470198.4A CN109489102A (en) 2018-12-04 2018-12-04 A kind of low temperature double stage heat pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811470198.4A CN109489102A (en) 2018-12-04 2018-12-04 A kind of low temperature double stage heat pump unit

Publications (1)

Publication Number Publication Date
CN109489102A true CN109489102A (en) 2019-03-19

Family

ID=65699300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811470198.4A Pending CN109489102A (en) 2018-12-04 2018-12-04 A kind of low temperature double stage heat pump unit

Country Status (1)

Country Link
CN (1) CN109489102A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103697624A (en) * 2013-12-20 2014-04-02 华南理工大学 Solar energy and air source heat pump integrated household hot water air conditioning system
CN106016824A (en) * 2016-05-26 2016-10-12 北京四季通能源科技有限公司 Two-stage heat pump heating-refrigerating system and method thereof
CN209229837U (en) * 2018-12-04 2019-08-09 浙江创能新能源股份有限公司 A kind of low temperature double stage heat pump unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103697624A (en) * 2013-12-20 2014-04-02 华南理工大学 Solar energy and air source heat pump integrated household hot water air conditioning system
CN106016824A (en) * 2016-05-26 2016-10-12 北京四季通能源科技有限公司 Two-stage heat pump heating-refrigerating system and method thereof
CN209229837U (en) * 2018-12-04 2019-08-09 浙江创能新能源股份有限公司 A kind of low temperature double stage heat pump unit

Similar Documents

Publication Publication Date Title
CN106440397B (en) It is a kind of seasonally to descend composite heat storage system
CN202644252U (en) Steam iron remnant steam and residual heat recovery device
CN115638567A (en) Cold and heat source system with ground source heat pump and aquifer energy storage coupled and regulation and control method thereof
CN209229837U (en) A kind of low temperature double stage heat pump unit
CN206648348U (en) A kind of Cooling and Heat Source combined heat refrigeration system
CN212481463U (en) Heating and constant temperature bathroom water system
CN101586827B (en) Solar ground heating system
CN109489102A (en) A kind of low temperature double stage heat pump unit
CN204787404U (en) Air compressor machine waste heat recovery and compound cold and hot source system of earth source heat pump
CN206073336U (en) A kind of water source heat pump air conditioning system with auxiliary thermal source
CN101718477A (en) Solar thermal collector freezing prevention system
CN205245306U (en) Supplementary air source heat pump's of phase change energy storage equipment heating system
CN212619658U (en) A gas-fired combined cooling, heating and power supply distributed energy system
CN209744768U (en) cold-hot and electricity multipurpose distributed energy storage system
CN202993657U (en) Ground source heat pump triple generation system
CN107830744A (en) A kind of novel cooling device
CN201193896Y (en) Double energy accumulation buffering device on the basis of heat pump
CN208507204U (en) A kind of reactor circuit
CN208222620U (en) A kind of low-quality steam heating system applied to wet type cooling unit
CN201215352Y (en) Heat pump system for heating by radiation of compressed steam
CN207438693U (en) A geothermal civil heating cascade utilization system
CN207797446U (en) Soil source heat pump and solar energy combined heating system for improving source side inlet water temperature
CN203642479U (en) Heat-pump water heater
CN206291511U (en) A kind of novel solar water heating system
CN220119464U (en) Energy complementary heating device for combined supply of geothermal energy and air energy

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190319

RJ01 Rejection of invention patent application after publication