CN201014828Y - Water-loop heat pump type frequency conversion multi-online system - Google Patents
Water-loop heat pump type frequency conversion multi-online system Download PDFInfo
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- CN201014828Y CN201014828Y CNU2007200194144U CN200720019414U CN201014828Y CN 201014828 Y CN201014828 Y CN 201014828Y CN U2007200194144 U CNU2007200194144 U CN U2007200194144U CN 200720019414 U CN200720019414 U CN 200720019414U CN 201014828 Y CN201014828 Y CN 201014828Y
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Abstract
The utility model discloses a water loop heat pump type frequency variable multi-connected unit system, comprising a cooling tower, a boiler, at least one frequency variable water pump and a frequency variable multi-connected unit, wherein the frequency variable multi-connected unit contains an outdoor heat exchanger, at least one indoor heat exchanger and a compressor, and the frequency variable multi-connected unit has at least two machines connected in parallel. The utility model applies a set of cold source and a set of hot source to cool two or more frequency variable multi-connected units; besides, the refrigerating and heating processes can be performed at the same time, i.e. energy consumption by the cooling tower or the boiler can be reduced by the heat transfer between the refrigerating unit and the heating unit, therefore resources can be used in a comprehensive way to reduce the cost.
Description
Technical field
The utility model relates to air-conditioning and Refrigeration Engineering technical field, specifically, is a kind of water-loop heat pump formula connected machine system.
Background technology
In high residential building, the overwhelming majority is used one or more air-cooled detachable air conditioner at present, uses multi-connected air conditioner to satisfy the needs of room air conditioner in some high-grade dwelling houses.Present water-loop heat pump system is widely used and promotes, but in actual moving process, there is following problem: if a plurality of rooms of dwelling house need air-conditioning, then need to install many cover water-loop heat pumps indoor unit, the multi-joint unit of such cover needs a cover low-temperature receiver or a cover thermal source, expense is than higher, and equipment is huger, and when a connected unit refrigeration, when another connected unit need heat, can not fully utilize the energy.
The utility model content
The utility model can not realize that in order to solve present water-loop heat pump formula connected machine cover low-temperature receiver or a thermal source band overlaps the connected machine more, and refrigeration and heat the problem that can not carry out simultaneously, and a kind of water-loop heat pump formula connected machine system is provided.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of water-loop heat pump formula connected machine system, comprise a cooling tower, a boiler, at least one variable frequency pump, also comprise the connected unit, described connected unit comprises an outdoor heat converter, at least one indoor heat converter, two in parallel at least on a compressor, described connected unit;
Regulate for the automation that realizes system, the connecting path between described variable frequency pump and the described outdoor heat converter is provided with electric control valve.
Compared with prior art, advantage of the present utility model and good effect are:
The utility model cools off two or more connected units by a cover low-temperature receiver and a cover thermal source, reduced equipment, and the refrigeration and heat and can carry out simultaneously, promptly by the heat transmission between refrigeration unit and the heating machine set, can save the energy consumption of cooling tower or boiler, thereby fully utilized the energy, reduced cost.
Description of drawings
Fig. 1 is a water-loop heat pump formula connected machine system schematic described in the utility model;
Fig. 2 is the water yield control flow chart of the water pump in the water-loop heat pump formula connected machine described in the utility model system;
Fig. 3 is the electric control valve control flow chart in the water-loop heat pump formula connected machine described in the utility model system;
Fig. 4 is the cooling tower control flow chart in the water-loop heat pump formula connected machine described in the utility model system;
When Fig. 5 is part refrigeration, a part heating operation in the water-loop heat pump formula connected machine described in the utility model system, cooling tower and boiler control flow chart;
Wherein: 10 connected unit I; 11 compressors; 12 cross valves; 13 outdoor heat converters; 14 indoor heat converters; 15 electric expansion valves; 16 electric control valves; 20 connected unit II; 21 compressors; 22 cross valves; 23 outdoor heat converters; 24 indoor heat converters; 25 electric expansion valves; 26 electric control valves; 30 boilers; 31 dynamoelectric water valves; 40 cooling towers; 41 dynamoelectric water valves; 50 water pumps.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The utility model water-loop heat pump formula connected machine system, two or more connected units are cooled off or heat by a cover low-temperature receiver and a cover thermal source, and the refrigeration and heat and can carry out simultaneously, promptly, can save the energy consumption of cooling tower or boiler by the heat transmission between refrigeration unit and the heating machine set.
Embodiment one, the utility model water-loop heat pump formula connected machine system comprises boiler 30 and cooling tower 40 in parallel, and the exit of boiler 30 is provided with dynamoelectric water valve 31, cooling tower 40 places are provided with 41, two variable frequency pumps of dynamoelectric water valve, 50 backs in parallel and are connected with cooling tower 40 with the boiler 30 of parallel connection;
Also comprise connected unit 10 and connected unit 20 in parallel, connected unit 10 comprises outdoor heat converter 13, at least one indoor heat converter 14, compressor 11, outdoor heat converter 13 connects into a peripheral passage with indoor heat converter 14, wherein connect an electric expansion valve 15 on a path what outdoor heat converter 13 connected indoor heat converters 14, wherein two ports that on an other path, connect a cross valve 12, other two ports of this cross valve 12 are communicated with compressor 11, constitute a peripheral passage;
The path that outdoor heat converter 13 connects the water sides and boiler 30 are connected with path after cooling tower 40 parallel connections, electric control valve 16 of connection on the path of an other end, and this electric control valve 16 is connected with path after variable frequency pump 50 parallel connections;
Connected unit 20 is identical with the structure of connected unit 10, connected unit 20 comprises outdoor heat converter 23, at least one indoor heat converter 24, compressor 21, outdoor heat converter 23 connects into a peripheral passage with indoor heat converter 24, wherein connect an electric expansion valve 25 on a path what outdoor heat converter 23 connected indoor heat converters 24, wherein two ports that on an other path, connect a cross valve 22, other two ports of this cross valve 22 are communicated with compressor 21;
The path that outdoor heat converter 23 connects the water sides and boiler 30 are connected with path after cooling tower 40 parallel connections, electric control valve 26 of connection on the path of an other end, and this electric control valve 26 is connected with path after variable frequency pump 50 parallel connections.
Same, can also there be a plurality of connected units in parallel with connected unit 10.
Concrete running is as follows:
One, refrigerating operaton: when connected unit 10 and connected unit 20 refrigerating operatons, emit heat by outdoor heat converter 13,23 to cooling water, the temperature of cooling water raises, and cooling water is emitted heat by cooling tower 40, makes water keep stable temperature.
During the refrigerating part load running, part indoor set running as connected unit 10, and connected unit 20 does not turn round, by differential water pressures Δ P (thereby=P1-P2) control variable frequency pump 50 operating numbers or the house steward's flow by Frequency Converter Control pump rotary speed control water, then electric control valve 26 cuts out, regulate the aperture of electric control valve 16 and control the flow that flows through outdoor heat converter 13, control the rotation speed of the fan of cooling tower 40 simultaneously and control water temperature, thus the condensing pressure of the normal operation of assurance connected unit 10.
Two, heating operation: when connected unit 10 and connected unit 20 heating operations, absorb heat by outdoor heat converter 13,23 to cooling water, the temperature of cooling water reduces, and cooling water makes water keep stable temperature by boiler 30 heating.
When heating the sub-load running, part indoor set running as connected unit 10, and connected unit 20 does not turn round, by differential water pressures Δ P (thereby=P1-P2) control variable frequency pump 50 operating numbers or the house steward's flow by Frequency Converter Control pump rotary speed control water, then electric control valve 26 cuts out, the flow that flows through outdoor heat converter 13 is controlled the aperture of electric control valve 16 in adjusting, control the heat that adds of boiler 30 simultaneously and control water temperature, thus the evaporating pressure of the normal operation of assurance connected unit 10.
Three, connected unit part refrigerating operaton, part heating operation: as unit 10 refrigerating operatons, unit 20 heating operations, cooling water absorbs heat by outdoor heat converter 13, emits heat by outdoor heat converter 23, the temperature of cooling water may reduce or raise, if reduce, cooling water is by boiler 30 heating, if raise, emit heat by cooling tower 40, make water keep stable temperature by control.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (2)
1. water-loop heat pump formula connected machine system, comprise a cooling tower, a boiler, at least one variable frequency pump, also comprise the connected unit, described connected unit comprises an outdoor heat converter, at least one indoor heat converter, a compressor is characterized in that: two in parallel at least of described connected units.
2. water-loop heat pump formula connected machine according to claim 1 system, it is characterized in that: the connecting path between described variable frequency pump and the described outdoor heat converter is provided with electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200194144U CN201014828Y (en) | 2007-03-12 | 2007-03-12 | Water-loop heat pump type frequency conversion multi-online system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200194144U CN201014828Y (en) | 2007-03-12 | 2007-03-12 | Water-loop heat pump type frequency conversion multi-online system |
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| Publication Number | Publication Date |
|---|---|
| CN201014828Y true CN201014828Y (en) | 2008-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200194144U Expired - Lifetime CN201014828Y (en) | 2007-03-12 | 2007-03-12 | Water-loop heat pump type frequency conversion multi-online system |
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| CN (1) | CN201014828Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915445A (en) * | 2010-08-26 | 2010-12-15 | 苏宇贵 | Motor-and-pump integrated water loop heat pump air conditioning system and refrigerating unit and outdoor unit used thereby |
| CN104296294A (en) * | 2014-10-22 | 2015-01-21 | 浙江绿城建筑设计有限公司 | Commercial complex air-conditioning energy recycling method and system |
| CN104654664A (en) * | 2015-01-16 | 2015-05-27 | 上海大生泰保鲜设备有限公司 | Water source heat pump cooling water energy-saving temperature regulation system and control method |
| CN105180315A (en) * | 2014-06-17 | 2015-12-23 | 青岛海信日立空调系统有限公司 | Multi-functional integrated air conditioning system |
| CN105333550A (en) * | 2015-11-27 | 2016-02-17 | 苏州英科工程技术服务有限公司 | Process cooling heat recovery device for air conditioner heating system |
| CN106152318A (en) * | 2016-08-22 | 2016-11-23 | 苏州市创建空调设备有限公司 | A kind of varying duty regulation integral system based on cooling water bus and operation method |
| CN104296294B (en) * | 2014-10-22 | 2017-01-04 | 浙江绿城建筑设计有限公司 | Commercial Complex air conditioner energy source recovery method and system |
| CN109059142A (en) * | 2018-06-19 | 2018-12-21 | 浙江理工大学 | Heat source tower multi-online air-conditioning system device and method |
| CN110986197A (en) * | 2019-12-19 | 2020-04-10 | 依米康科技集团股份有限公司 | Heat recovery type VRV air conditioning system suitable for room for subway station |
-
2007
- 2007-03-12 CN CNU2007200194144U patent/CN201014828Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915445A (en) * | 2010-08-26 | 2010-12-15 | 苏宇贵 | Motor-and-pump integrated water loop heat pump air conditioning system and refrigerating unit and outdoor unit used thereby |
| CN105180315A (en) * | 2014-06-17 | 2015-12-23 | 青岛海信日立空调系统有限公司 | Multi-functional integrated air conditioning system |
| CN105180315B (en) * | 2014-06-17 | 2017-12-15 | 青岛海信日立空调系统有限公司 | Multifunctional unit air-conditioning system |
| CN104296294A (en) * | 2014-10-22 | 2015-01-21 | 浙江绿城建筑设计有限公司 | Commercial complex air-conditioning energy recycling method and system |
| CN104296294B (en) * | 2014-10-22 | 2017-01-04 | 浙江绿城建筑设计有限公司 | Commercial Complex air conditioner energy source recovery method and system |
| CN104654664A (en) * | 2015-01-16 | 2015-05-27 | 上海大生泰保鲜设备有限公司 | Water source heat pump cooling water energy-saving temperature regulation system and control method |
| CN105333550A (en) * | 2015-11-27 | 2016-02-17 | 苏州英科工程技术服务有限公司 | Process cooling heat recovery device for air conditioner heating system |
| CN106152318A (en) * | 2016-08-22 | 2016-11-23 | 苏州市创建空调设备有限公司 | A kind of varying duty regulation integral system based on cooling water bus and operation method |
| CN109059142A (en) * | 2018-06-19 | 2018-12-21 | 浙江理工大学 | Heat source tower multi-online air-conditioning system device and method |
| CN110986197A (en) * | 2019-12-19 | 2020-04-10 | 依米康科技集团股份有限公司 | Heat recovery type VRV air conditioning system suitable for room for subway station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO HISENSE HITACHI AIR CONDITIONING SYSTEMS C Free format text: FORMER OWNER: HAIXIN GROUP CO., LTD. Effective date: 20090703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090703 Address after: Shandong province Qingdao economic and Technological Development Zone front Bay Road 218, zip code: 266510 Patentee after: Qingdao Hisense Hitachi Air-Condition System Co., Ltd. Address before: Shandong City, Qingdao province Jiangxi City Road 11, zip code: 266071 Patentee before: Hisense Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080130 |
|
| CX01 | Expiry of patent term |