CN2524157Y - Air cooling heat recovery water heater set of central air conditioner - Google Patents
Air cooling heat recovery water heater set of central air conditioner Download PDFInfo
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- CN2524157Y CN2524157Y CN 02200123 CN02200123U CN2524157Y CN 2524157 Y CN2524157 Y CN 2524157Y CN 02200123 CN02200123 CN 02200123 CN 02200123 U CN02200123 U CN 02200123U CN 2524157 Y CN2524157 Y CN 2524157Y
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Abstract
The utility model relates to an air cooling and heating recovery water heater set of a central air conditioner, which is composed of a compressor, a four-way change valve, a finned air cooling and heating converter, an electromagnetic valve, an expansion valve, a shell and tube type heat exchanger, a gas-liquid segregator, an axial flow fan, a microcomputer controlling system, a relay controlling circuit, etc., wherein A plate-type heat exchanger is arranged between an air outlet pipe of the compressor and an air inlet pipe of the four-way change valve to serve as a heat recoverer which fully recovers the heat quantity of the high-temperature and high-pressure gas of the outlet of the compressor to make the hot water for living. Therefore, the functions of simultaneously refrigerating and making hot water in life are realized.
Description
[technical field]
The utility model relates to a kind of central air-conditioning hot water unit, refers in particular to a kind of air-cooled heat reclamation type central air-conditioning hot water unit, belongs to refrigeration technology field.
[background technology]
The air-cooled heat pump water chiller-heater units technology is used very extensive, and major function is to be the refrigeration in summer, and winter heating realizes a machine dual-purpose.Existing Air-Cooled Heat Pump Unit mainly is made of parts such as compressor, condenser, evaporimeter, expansion valve, reservoir, gas-liquid separator, four-way change-over valve, magnetic valve and automatons, form a cooling cycle system, change the four-way change-over valve inner refrigerant by control system and flow to the switching that realizes refrigeration in summer, winter heating.But there are some defectives in existing air-cooled heat pump water chiller-heater units, as, this operational mode can only realize single refrigeration or heat-production functions, life hot water can not be provided, and need be when refrigeration to a large amount of condensation heat of airborne release, not only cause the urban environment thermal pollution but also waste energy, also heating equipments such as boiler or solar energy need be set in the place that needs the domestic hot-water.
[summary of the invention]
The purpose of this utility model provides a kind of air-cooled heat reclamation type central air-conditioning hot water unit, solve present like product and can't realize freezing, heat, making the problem that three kinds of functions of domestic hot-water roll into one, can reclaim again simultaneously and be discharged into airborne used heat, solve city thermal pollution problem.
The purpose of this utility model is achieved through the following technical solutions: air-cooled heat reclamation type central air-conditioning hot water unit is by compressor, four-way change-over valve, finned air-cooled heat exchanger, check valve, liquid storage cylinder, device for drying and filtering, the refrigeration magnetic valve, the refrigeration expansion valve, heat magnetic valve, heat expansion valve, shell-and-tube exchanger, gas-liquid separator, aerofoil fan, composition such as microcomputer control system and control relay circuit, between compressor exhaust pipe and four-way change-over valve air inlet pipe, a heat-exchangers of the plate type is set, be equiped with two groups of pipelines of water and refrigerant in this heat-exchangers of the plate type, wherein the water route is provided with water inlet and delivery port, and the refrigerant pipeline is provided with medium inlet and media outlet; Compressor communicates with the medium inlet, and media outlet communicates with four-way change-over valve.
Because the utility model is provided with a heat-exchangers of the plate type between compressor exhaust pipe and four-way change-over valve air inlet pipe, this heat-exchangers of the plate type is as heat regenerator, the heat of the high temperature and high pressure gas of compressor outlet fully reclaimed make the domestic hot-water, therefore realized freezing simultaneously and making domestic hot-water's function.
Advantage of the present utility model is that air-cooled heat reclamation type central air-conditioning hot water unit integrates refrigeration, heats, heats three kinds of functions of water, realize the refrigeration in summer, winter heating, produce 50～60 ℃ of domestic hot-waters when can or heat in refrigeration, satisfy the demand of southern area all-year-around cooling, heating and domestic hot-water supply and other heating equipments need not be set, the equipment operation energy consumption of saving building there is huge economic, reducing environmental thermal pollution, is efficient, energy-conservation, desirable environment-friendly products.
[description of drawings]
Fig. 1 is the utility model refrigeration process flow chart.
Fig. 2 is that the utility model heats process chart.
Fig. 3 is the utility model external form figure.
Fig. 4 is a heat-exchangers of the plate type structural representation of the present utility model.
[specific embodiment]
Accompanying drawing is depicted as embodiment of the present utility model.Referring to Fig. 1, Fig. 2, air-cooled heat reclamation type central air-conditioning hot water unit comprises compressor 1, four-way change-over valve 3, finned air-cooled heat exchanger 4, check valve 5, liquid storage cylinder 6, device for drying and filtering 7, refrigeration magnetic valve 8, refrigeration expansion valve 9, heat magnetic valve 13, heat expansion valve 12, shell-and-tube exchanger 10, gas-liquid separator 11 etc., between the air inlet pipe of the blast pipe of compressor 1 and four-way change-over valve 3, a heat-exchangers of the plate type 2 is set, be equiped with two groups of pipelines of water and refrigerant in this heat-exchangers of the plate type, wherein the water route is provided with water inlet 14 and delivery port 15, and the refrigerant pipeline is provided with medium inlet 16 and media outlet 17; The blast pipe of compressor 1 communicates with medium inlet 16, and media outlet 17 communicates with the air inlet pipe of four-way change-over valve 3.
Fig. 1 is the utility model refrigeration process flow process.The high temperature and high pressure gas of compressor 1 outlet is condensed into the liquid or the gas-liquid mixture of high pressure through heat-exchangers of the plate type 2, enter finned air-cooled heat exchanger 4 through four-way change-over valve 3 and further be condensed into liquid, enter liquid storage cylinder 6 and device for drying and filtering 7 through check valve 5, after refrigeration magnetic valve 8 and 9 expansions of refrigeration expansion valve, become the liquid of low-temp low-pressure, enter shell-and-tube exchanger 10 evaporations, become the gas of low-temp low-pressure after the evaporation, behind gas-liquid separator 11, sucked the continuation compression, so move in circles by compressor 1.High temperature and high pressure gas produces 50-60 ℃ of domestic hot-water at heat-exchangers of the plate type 2 places in this process of refrigerastion, feeds the user by delivery port 15 and uses; Produce 7 ℃ of chilled waters at shell-and-tube exchanger 10 places, reach refrigeration.
Fig. 2 heats technological process for the utility model.The high temperature and high pressure gas of compressor 1 outlet is condensed into the liquid or the gas-liquid mixture of high pressure through heat-exchangers of the plate type 2, enter shell-and-tube exchanger 10 through four-way change-over valve 3 and further be condensed into liquid, enter liquid storage cylinder 6 and device for drying and filtering 7 through check valve 18 again, through heating magnetic valve 13 and heating the liquid that becomes low-temp low-pressure after expansion valve 12 expands, enter finned air-cooled heat exchanger 4 evaporations then, become the gas of low-temp low-pressure after the evaporation, behind four-way change-over valve 3, enter vapour liquid separator 11, sucked by compressor 1 then and continue compression, so move in circles.Heat in the process at this, produce 50-60 ℃ of domestic hot-water at heat-exchangers of the plate type 2 places, flow out by delivery port 15 and use for the user; Producing about 45 ℃ of hot water at shell-and-tube exchanger 10 places uses for heating.
Fig. 4 is the structural representation of heat-exchangers of the plate type 2.Cold water enters the water route of heat-exchangers of the plate type 2 from water inlet 14, flows from bottom to top, flows out from delivery port 15; Refrigerant is 16 medium pipelines that enter heat-exchangers of the plate type 2 from the medium inlet, flow from top to bottom, flow out from media outlet 17.The two media reverse flow forms highly turbulent flow between plate, reach best heat exchange effect.
Air-cooled heat reclamation type central air-conditioning hot water unit control principle is as follows.
Air-cooled heat reclamation type central air-conditioning hot water unit external form as shown in Figure 3.19 is three groups of aerofoil fans, and 20 is switch board.
Main frame adopts the microcomputerized control mode of PLC Programmable Logic Controller, by pressure, and temperature sensor, the PLC controller, display screen, relay, A.C. contactor, forceful electric power holding circuits etc. constitute a central control system.
When outdoor temperature is higher than 15 degree, unit is pressed the cooling condition operation automatically, at this moment, fan is divided into three groups, controls the start and stop of three groups of blower fans by the PLC controller according to the delivery temperature of compressor, and Chang Kaiyi organizes fan, when spending greater than 60, delivery temperature drives two groups of fans, drive three groups of fans when delivery temperature is spent greater than 70, under the prerequisite that guarantees compressor operating safety, reclaim used heat as far as possible, make the domestic hot-water.When domestic hot-water's temperature is lower than 45 degree; and outdoor temperature is lower than 22 degree, sends instruction by the PLC controller, shuts down; postpone ten seconds; automatically switch to the heating condition operation, three groups of fan standard-sized sheets treat that chilled water temperature rises to 30 degree; the PLC controller sends instruction; shut down, postpone ten seconds, automatically the switchback refrigerating operaton.Like this, be stored in chilled water system by operation of heat pump after with the atmosphere heat absorption, transfer heat energy to the domestic hot-water through refrigerating operaton again, thereby realized absorbing excessive season the purpose that atmospheric energy source is supplied with the domestic hot-water, unit adds Unloading Control to keep chilled water in 7-12 degree scope by the chilled water return water temperature to compressor simultaneously, satisfies the air conditioner refrigerating requirement.
Spend when outdoor temperature is lower than 15, unit is pressed the heating condition operation automatically, and this moment, three groups of fans were all opened.When domestic hot-water's leaving water temperature is lower than 45 degree, send instruction by the PLC controller, the heating water-circulating pump is stopped, hot water to be lived rises to 55 degree, the heating water-circulating pump is opened, and guarantees domestic hot-water's temperature in 45-55 degree scope, and unit adds Unloading Control by the heating return water temperature to compressor simultaneously, to keep heating water, satisfy the heating requirement in 40-45 degree scope.
The utility model also is provided with defrosting control, recoil adds thermal control, safety protection control etc.
The utility model has been realized refrigeration, has been heated, made domestic hot-water's a machine three-use, when moving, reclaimed cooling condition a large amount of condensation waste heats, being applicable to needs the place of cooling and warming simultaneously, is specially adapted to hotel, hotel, hospital etc. need the domestic hot-water in cooling occasion.At southern area, because winter heating load is very little, this unit can satisfy the annual domestic hot-water in hotel, hotel and annual cold and heat supply demand and need not establish thermal source such as boiler in addition.According to measuring and calculating, one 8000 square metres hotel uses this unit and can save ten thousand yuan of running cost 60-100 in 1 year than selecting conventional handpiece Water Chilling Units for use and adding boiler, has huge economic benefit.
Claims (1)
- A kind of air-cooled heat reclamation type central air-conditioning hot water unit, by compressor, four-way change-over valve, finned air-cooled heat exchanger, check valve, liquid storage cylinder, device for drying and filtering, the refrigeration magnetic valve, the refrigeration expansion valve, heat magnetic valve, heat expansion valve, shell-and-tube exchanger, gas-liquid separator, aerofoil fan, composition such as microcomputer control system and control relay circuit, it is characterized in that: between compressor exhaust pipe and four-way change-over valve air inlet pipe, a heat-exchangers of the plate type is set, be equiped with two groups of pipelines of water and refrigerant in this heat-exchangers of the plate type, wherein the water route is provided with water inlet and delivery port, and the refrigerant pipeline is provided with medium inlet and media outlet; Compressor communicates with the medium inlet, and media outlet communicates with four-way change-over valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200123 CN2524157Y (en) | 2002-01-08 | 2002-01-08 | Air cooling heat recovery water heater set of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200123 CN2524157Y (en) | 2002-01-08 | 2002-01-08 | Air cooling heat recovery water heater set of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2524157Y true CN2524157Y (en) | 2002-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02200123 Expired - Fee Related CN2524157Y (en) | 2002-01-08 | 2002-01-08 | Air cooling heat recovery water heater set of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2524157Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307939B (en) * | 2007-05-15 | 2012-05-23 | 夏晓宏 | Heat reclamation type modularized air-cooling hot water machine unit |
| CN103185412A (en) * | 2013-03-30 | 2013-07-03 | 刘玉岭 | Novel air source cold (hot) water air conditioning unit |
| CN103528268A (en) * | 2013-10-11 | 2014-01-22 | 无锡同方人工环境有限公司 | Ultralow-energy-consumption residential air conditioning device with domestic hot water function |
| CN105299952A (en) * | 2015-04-17 | 2016-02-03 | 上海非远空气净化设备有限公司 | Air conditioner purification and dehumidification multifunctional unit and application method |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2002
- 2002-01-08 CN CN 02200123 patent/CN2524157Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307939B (en) * | 2007-05-15 | 2012-05-23 | 夏晓宏 | Heat reclamation type modularized air-cooling hot water machine unit |
| CN103185412A (en) * | 2013-03-30 | 2013-07-03 | 刘玉岭 | Novel air source cold (hot) water air conditioning unit |
| CN103528268A (en) * | 2013-10-11 | 2014-01-22 | 无锡同方人工环境有限公司 | Ultralow-energy-consumption residential air conditioning device with domestic hot water function |
| CN105299952A (en) * | 2015-04-17 | 2016-02-03 | 上海非远空气净化设备有限公司 | Air conditioner purification and dehumidification multifunctional unit and application method |
| CN105299952B (en) * | 2015-04-17 | 2019-09-27 | 钹特环保科技（上海）有限公司 | Air conditioning purge dehumidifying multifunctional unit and application method |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |