CN217082691U - Heat pump type cold and hot storage combined system - Google Patents
Heat pump type cold and hot storage combined system Download PDFInfo
- Publication number
- CN217082691U CN217082691U CN202123171474.7U CN202123171474U CN217082691U CN 217082691 U CN217082691 U CN 217082691U CN 202123171474 U CN202123171474 U CN 202123171474U CN 217082691 U CN217082691 U CN 217082691U
- Authority
- CN
- China
- Prior art keywords
- water
- pump
- condenser
- temperature
- cold
- 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.)
- Active
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
A heat pump type combined cold and hot storage system comprises: the system comprises a heat pump system, a hot water supply system, a cold water supply system and an ice water supply system; the heat pump system comprises a compressor, a first condenser, a second condenser, a cold water expansion valve or an ice making expansion valve, and an evaporator or an ice making machine; the hot water supply system comprises a normal-temperature water tank, a fourth water pump, a second condenser, a medium-temperature water tank, a second water pump, a first condenser, a high-temperature water tank, a first water pump and a third water pump; the ice water supply system comprises an ice water tank, an ice maker and a sixth water pump. The utility model uses two variable flow water pumps to pass through two sleeve condensers respectively, so that the cooling effect of the system is kept under the condition of obtaining more high-temperature water, and the energy efficiency ratio of the system is kept as large as possible to achieve the energy-saving effect; a plurality of water tanks are arranged for storing cold water and hot water, unbalance during use is reversed, and the electric energy can be saved by operating in peak staggering time periods of a power grid.
Description
Technical Field
The utility model relates to a heat pump technology field, in particular to based on hot pump type cold and hot storage combined system.
Background
At present, the world energy is increasingly tense, and the energy-saving consciousness of people is improved, so that a heat pump system is developed from the original independent refrigeration or heating to a triple co-generation system with relatively high-efficiency utilization.
Although the air source triple co-generation system can perform refrigeration in summer, heating in winter, domestic hot water production and domestic hot water production simultaneously in summer, the air source triple co-generation system is still under the working condition of independent refrigeration or heating in most of time.
Therefore, a system capable of utilizing both the cooling and heating functions of the heat pump most of the time is needed in the market to achieve efficient utilization of energy.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing an can utilize heat pump refrigeration and heating function simultaneously most of the time, the higher hot-pump type cold and hot storage combined system of energy utilization rate.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a heat pump type combined cold and hot storage system comprises: the system comprises a heat pump system, a hot water supply system, a cold water supply system and an ice water supply system;
the heat pump system comprises a compressor, a first condenser, a second condenser, a cold water expansion valve or an ice making expansion valve, an evaporator or an ice making machine which are sequentially arranged on a first circulating pipeline;
the hot water supply system comprises a normal-temperature water tank, a fourth water pump, a second condenser, a medium-temperature water tank, a second water pump, a first condenser, a high-temperature water tank, a first water pump and a third water pump; the supplementary water and the circulating backwater of the normal-temperature water tank are pressurized by a fourth water pump through a pipeline, enter a second condenser for heat exchange and then enter a medium-temperature water tank; part of water in the medium-temperature water tank enters the first condenser through a pipeline through a second water pump for heat exchange and then enters the high-temperature water tank; the first water pump and the third water pump are point-of-use water supply equipment;
the cold water supply system comprises a cold water tank, an evaporator and a fifth water pump for supplying cold water to a use point;
the ice water supply system comprises an ice water tank, an ice machine and a sixth water pump for supplying ice water to a use point.
In the above technical solution, preferably, the first condenser and the second condenser of the heat pump system are double-pipe heat exchangers.
In the above technical solution, preferably, the cold water expansion valve or the ice making expansion valve of the heat pump system is an electronic expansion valve.
In the above technical solution, preferably, the second water pump and the fourth water pump of the hot water supply system are variable water pumps.
The utility model discloses a set up bushing type heat exchanger first condenser, second condenser and make it keep the cooling effect of heat pump system under the condition of obtaining more high-temperature water with the variable flow water pump, control the aperture of cold water expansion valve and ice making expansion valve according to the demand of cold water and frozen water simultaneously, make it can let the hot pump type cold and hot storage combined system keep the efficiency ratio as big as possible and reach energy-conserving effect; the arrangement of the medium-temperature water tank, the high-temperature water tank, the cold water tank and the ice water tank can provide more use scenes for common families, such as: the system comprises a dish washer, a clothes dryer, a dehumidifier, ice making and high-temperature disinfection, is not limited to an air conditioner and a water heater, and can be used for twisting seasonal unbalance of cold and hot use, so that the optimal energy-saving effect is achieved; the high-temperature water tank and the ice water tank can store more heat and cold, so that the heat pump can operate in the peak staggering period of the power grid, and the electric charge is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
001, a compressor; 002. a first condenser; 003. a second condenser; 004. a cold water expansion valve; 005. an ice making expansion valve; 006. an evaporator; 007. an ice maker; 01. a high temperature water tank; 02. a medium temperature water tank; 03. a normal temperature water tank; 04. a cold water tank; 05. an ice water tank; 1. a first water pump; 2. a second water pump; 3. a third water pump; 4. a fourth water pump; 5. a fifth water pump; 6. and a sixth water pump.
Detailed Description
In order to explain the technical content, structural features, and specific objects and functions of the present invention in detail, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the heat pump based combined cooling and heating storage system includes: the system comprises a heat pump system, a hot water supply system, a cold water supply system and an ice water supply system;
the heat pump system comprises a compressor (001), a first condenser (002), a second condenser (003), a cold water expansion valve (004) or an ice making expansion valve (005), an evaporator (006) or an ice making machine (007) which are sequentially positioned on a first circulating pipeline;
the hot water supply system comprises a normal-temperature water tank (03), a fourth water pump (4), a second condenser (003), a medium-temperature water tank (02), a second water pump (2), a first condenser (002), a high-temperature water tank (01), a first water pump (1) and a third water pump (3); supplementing water and circulating backwater of the normal-temperature water tank (03) enter a second condenser (003) through a pipeline by pressurization through a fourth water pump (4) for heat exchange and then enter a medium-temperature water tank (02), and part of water of the medium-temperature water tank (02) enters a first condenser (002) through a pipeline by pressurization through a second water pump (2) for heat exchange and then enters a high-temperature water tank (01); the first water pump (1) and the third water pump (3) are point-of-use water supply equipment;
the cold water supply system comprises a cold water tank (04), an evaporator (006) and a fifth water pump (5) for supplying cold water to a use point;
the ice water supply system comprises an ice water tank (05), an ice machine (007) and a sixth water pump (6) for supplying ice water to a use point.
The first condenser (002) and the second condenser (003) of the heat pump system are double-pipe heat exchangers, the cold water expansion valve (004) or the ice making expansion valve (005) is an electronic expansion valve, and the second water pump (2) and the fourth water pump (4) of the hot water supply system are variable-flow water pumps.
In the embodiment of the utility model, the heat pump type cold and hot storage combined system can realize a refrigerating water mode and an ice making mode, the system can accurately control the opening degree of a cold water expansion valve (004) or an ice making expansion valve (005) according to the requirements of cold water and ice water in a judged working mode, so that the heat pump type combined cold and heat storage system can keep the energy efficiency ratio as large as possible, the flow rate of a fourth water pump (4) can be accurately controlled according to the difference between the outlet temperature of a heat pump working medium of a second condenser (003) and the water temperature in a normal-temperature water tank (03), the heat pump type combined cold and heat storage system can keep the energy efficiency ratio as large as possible, the flow rate of a second water pump (2) can be accurately controlled according to the difference between the hot water temperature at the outlet of a first condenser (002) and the water temperature set by a high-temperature water tank (01), and the water temperature of the high-temperature water tank (01) can be as consistent with the set water temperature as possible. The operation principle of automatically identifying the usage scenario environment requirement determination operation mode will be described in detail below with reference to the embodiments.
The automatic on-off time is set according to the electricity utilization type, so that cost is saved, for example, the area with peak and valley electricity prices selects the valley period with cheap electricity charge to start the machine; and the area without peak-valley electricity price selects the time for simultaneously using cold water and hot water to start the machine so as to reduce heat loss.
After the system is started, the system firstly detects the outdoor environment temperature, the temperature of the cold water tank (04), the water level of the medium-temperature water tank (02), the water level of the high-temperature water tank (01), the water level of the cold water tank (04) and the ice storage amount of the ice water tank (05). When the outdoor environment temperature exceeds 33 ℃, the system is in a cooling water mode when the temperature of the cold water tank is higher than 15 ℃, at the moment, the heat pump working medium is compressed by a compressor (001) on a first circulation pipeline to do work and then becomes a high-temperature high-pressure heat pump working medium, the high-temperature heat pump working medium enters a first condenser (002) through the circulation pipeline, the high-temperature heat pump working medium in the first condenser (002) and the medium-temperature water pressurized by the medium-temperature water tank (02) fully exchange heat, and the temperature of the hot water entering the high-temperature water tank (01) is in accordance with the set water temperature under the accurate control of a variable-flow water pump (2); the high-temperature heat pump working medium is subjected to heat exchange, the temperature of the high-temperature heat pump working medium is reduced, the high-temperature heat pump working medium enters a second condenser (003), the high-temperature heat pump working medium is subjected to heat exchange with normal-temperature water pressurized from a normal-temperature water tank (03) in the second condenser (003), the heat pump working medium is changed into a low-temperature high-pressure heat pump working medium under the accurate control of a variable-flow water pump (4), the temperature of a cold water tank is higher than 15 ℃, the system only opens a cold water expansion valve (004), the low-temperature high-pressure heat pump working medium is changed into a low-temperature low-pressure heat pump working medium under the throttling action of the cold water expansion valve (004) and enters an evaporator (006), and the heat of the water in the evaporator (006) is absorbed, so that the water temperature is lowered; meanwhile, the low-temperature low-pressure heat pump working medium absorbs heat and then becomes a high-temperature low-pressure heat pump working medium, and the high-temperature low-pressure heat pump working medium enters the compressor (001) to perform the next cycle. After a period of time, when the temperature of cold water in the evaporator (006) reaches 8 ℃, the cold water expansion valve (004) is closed by a half, and simultaneously the ice making expansion valve (005) is opened by a half, half of the low-temperature high-pressure heat pump working medium is changed into low-temperature low-pressure heat pump working medium under the throttling action of the ice making expansion valve (005) to enter an ice making machine (007) and enter a mixed operation mode of cold water making and ice making. When the temperature of cold water in the evaporator (006) reaches 4 ℃ or the outdoor environment temperature is lower than 12 ℃, the cold water expansion valve (004) is completely closed, only the ice making expansion valve (005) is opened, and an ice making operation mode is entered. When the temperature of the cold water tank (04), the water level of the medium-temperature water tank (02), the water level of the high-temperature water tank (01), the water level of the cold water tank (04) and the ice storage amount of the ice water tank (05) meet the requirements, the machine is stopped, wherein the temperature of mode conversion can be automatically set; of course, only a cold water supply system or an ice water supply system can be arranged under specific conditions; the water supply system and the cold water supply system may also be increased when hot and cold water at multiple temperatures is required.
Because the medium-temperature water tank, the high-temperature water tank, the cold water tank and the ice water tank are arranged, water in the high-temperature water tank can be used for a dish-washing machine, a clothes dryer, high-temperature disinfection and sterilization, grain drying and the like in actual use; the water in the medium temperature water tank is used for washing, washing and the like; the water in the cold water tank can be used as cooling water of an air conditioner and the like; the water in the ice water tank can be used for ice storage, food preservation, dehumidification and the like; therefore, the cold and heat supply and demand can be balanced, and a better energy-saving effect can be achieved.
It should be noted that the above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, and the protection scope of the present invention cannot be limited thereby.
Claims (4)
1. A heat pump type cold and hot storage combined system is characterized by comprising: the system comprises a heat pump system, a hot water supply system, a cold water supply system and an ice water supply system;
the heat pump system comprises a compressor (001), a first condenser (002), a second condenser (003), a cold water expansion valve (004) or an ice making expansion valve (005), an evaporator (006) or an ice maker (007) which are sequentially arranged on a first circulating pipeline;
the hot water supply system comprises a normal-temperature water tank (03), a fourth water pump (4), a second condenser (003), a medium-temperature water tank (02), a second water pump (2), a first condenser (002), a high-temperature water tank (01), a first water pump (1) and a third water pump (3); the supplementing water and the circulating backwater of the normal-temperature water tank (03) are pressurized by a fourth water pump (4) through a pipeline, enter a second condenser (003) for heat exchange and then enter a medium-temperature water tank (02); part of water in the medium-temperature water tank (02) is pressurized by a second water pump (2) through a pipeline, enters a first condenser (002) for heat exchange, and then enters a high-temperature water tank (01); the first water pump (1) and the third water pump (3) are point-of-use water supply equipment;
wherein the cold water supply system comprises a cold water tank (04), an evaporator (006) and a fifth water pump (5) for supplying cold water to a use point;
the ice water supply system comprises an ice water tank (05), an ice machine (007) and a sixth water pump (6) for supplying ice water to a use point.
2. A heat pump cold thermal storage combination according to claim 1, wherein: the first condenser (002) and the second condenser (003) of the heat pump system are double-pipe heat exchangers.
3. A heat pump cold thermal storage combination according to claim 1, wherein: and a cold water expansion valve (004) or an ice making expansion valve (005) of the heat pump system is an electronic expansion valve.
4. A heat pump cold thermal storage combination according to claim 1, wherein: the second water pump (2) and the fourth water pump (4) of the hot water supply system are variable flow water pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171474.7U CN217082691U (en) | 2021-12-17 | 2021-12-17 | Heat pump type cold and hot storage combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123171474.7U CN217082691U (en) | 2021-12-17 | 2021-12-17 | Heat pump type cold and hot storage combined system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217082691U true CN217082691U (en) | 2022-07-29 |
Family
ID=82538580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123171474.7U Active CN217082691U (en) | 2021-12-17 | 2021-12-17 | Heat pump type cold and hot storage combined system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217082691U (en) |
-
2021
- 2021-12-17 CN CN202123171474.7U patent/CN217082691U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103983042B (en) | The indoor cold-hot integrated system of a kind of solar energy | |
| CN204923445U (en) | Low temperature air source heat pump hot water unit | |
| CN101000183A (en) | Integral air-conditioning system with solar assisted air source inter-critical carbon dioxide heat pump | |
| CN103697624A (en) | Solar energy and air source heat pump integrated household hot water air conditioning system | |
| CN107676858B (en) | Heating system | |
| CN103868281B (en) | A kind of single/double stage compresses switchable tri-generation system of ground-source heat pump | |
| CN116697639B (en) | Solar energy-air source heat pump coupling hot water, heating, refrigerating and energy storage system and control method thereof | |
| CN203785282U (en) | Hot water system of solar combined multiplex heat pump | |
| CN109099614B (en) | Novel solar frostless air source heat pump system | |
| CN205783497U (en) | A kind of water energy storage system | |
| CN105509363B (en) | High-efficiency cleaning multiple-energy-source comprehensively utilizes cold-hot combined supply system | |
| CN217082691U (en) | Heat pump type cold and hot storage combined system | |
| CN201318831Y (en) | Multi-functional heat pump water heater capable of easily defrosting | |
| CN116888407A (en) | Easy-to-press multipurpose cooling and heating machine system | |
| CN207350614U (en) | A kind of solar heat pump multi-generation system | |
| CN116336541A (en) | Heat pump type cold and hot storage combined system and control method thereof | |
| CN203687447U (en) | Solar energy and air source heat pump integrated household hot water air conditioning system | |
| CN207635641U (en) | A kind of heat pump quadri-generation system | |
| CN2615557Y (en) | Air conditioner apparatus for cooling, warming and hot water supply | |
| CN201007583Y (en) | Multifunctional energy-saving air-conditioning unit | |
| CN2171080Y (en) | Air conditioner | |
| CN205747259U (en) | A kind of practical solar air-conditioner system | |
| CN103300803A (en) | Residual heat utilization system for dish washing machine in canteen or restaurant | |
| CN212081645U (en) | Air energy water heater and air conditioner integrated machine system | |
| CN116697638B (en) | Multifunctional coupling system of solar energy-air source heat pump and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |