CN2553312Y - Semi-closed screw multiple heat sources heat pump set - Google Patents
Semi-closed screw multiple heat sources heat pump set Download PDFInfo
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- CN2553312Y CN2553312Y CN 02237548 CN02237548U CN2553312Y CN 2553312 Y CN2553312 Y CN 2553312Y CN 02237548 CN02237548 CN 02237548 CN 02237548 U CN02237548 U CN 02237548U CN 2553312 Y CN2553312 Y CN 2553312Y
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Abstract
The utility model discloses a semi-hermetic screw multiple heat source heat pump set , comprising an indoor device and an outdoor device which form a complete circulation system; wherein, a compressor of the indoor device is connected in series with an indoor heat exchanger and a four-way valve; one end of the indoor heat exchanger is connected with the four-way valve, while the other end is connected with a liquid storage device through an indoor expansion valve and an indoor solenoid valve. In the outdoor device, a fan and a fin heat exchanger are connected in series with a super-cooling (heating) heat exchanger positioned at the upper part of a circulation water tank; one end of a circulating water pump is connected with a water outlet pipe of the circulation water tank, while the other end is connected with a water distributor and a direct vaporizing and cooling heat exchanger positioned on the super-cooling (heating) heat exchanger through the water inlet pipe; a refrigerant connecting pipe of the fin heat exchanger is connected with the four-way valve in the indoor device through an outdoor expansion valve and an outdoor solenoid valve; the refrigerant connecting pipe of the super-cooling (heating) heat exchanger is communicated with the liquid storage device in the indoor device; an air inlet is arranged on the housing of the circulation water tank. The utility model has an advantage of utilizing the external multiple heat sources during the whole process, highly efficiently, reliably and continuously.
Description
Technical field
The utility model relates to a kind of by consuming extraneous energy, realizes that energy is from the air-conditioning heat-exchange apparatus of low level to high bit transition.
Background technology
According to the second law of thermodynamics, because source pump utilized the low level energy in the environment, make the output of energy forever greater than 1, therefore be that high-grade energy utilizes optimum mode.Source pump can realize refrigeration and the purpose that heats according to the utilization to low level and high-order energy.According to available thermal source kind difference, existing source pump mainly contains water source, air source, several big classes of soil source.But can only utilize single source, carry out the heat exchange of air-cooled or water-cooled.Generally comprise indoor set, off-premises station two parts, be connected, have the heat exchange structure of traditional evaporative condenser with electric control system.Source pump can not be fully and is effectively utilized the multiple thermal source of outside low level, and the efficient of source pump awaits into raising.
Technology contents
The technical problems to be solved in the utility model: according to the difference of external resource condition, the multiple thermal source of low level is taked the different modes of utilizing, realize the efficiency operation of source pump, realize the purpose of energy-saving and environmental protection.
The technical scheme of many heat source heat pumps of the utility model semi-closed screw type unit: form by indoor set, off-premises station two parts, be connected to become a complete circulatory system by refrigerant pipe between them, it is characterized in that: the compressor of indoor set part and indoor heat exchanger, cross valve polyphone, indoor heat exchanger one end is connected with cross valve, and the other end is connected with liquid reservoir through indoor expansion valve, indoor electric magnet valve;
Outdoor machine part: blower fan, finned heat exchanger cold (heat) heat exchanger of connecting places cyclic water tank top, circulating pump one end connects the outlet pipe of cyclic water tank, the other end placed cold (heat) water dispenser above the heat exchanger and direct evaporative cooling heat exchanger through the water inlet pipe connection, the refrigerant of finned heat exchanger is taken over through outdoor expansion valve, outdoor magnetic valve and is connected with the cross valve of indoor set part, the refrigerant adapter of crossing cold (heat) heat exchanger is communicated with the liquid reservoir of indoor set part, on the cyclic water tank casing air inlet is arranged.
Above-mentioned compressor is semi-closed screw type compressor or piston compressor.
Above-mentioned indoor heat exchanger is complete fine weldering plate type heat exchanger.
Above-mentioned cold excessively (heat) heat exchanger is a smooth pipe formula heat exchanger tube.
Blow-off pipe is arranged at above-mentioned cyclic water tank bottom, and there is filling pipe the side.
Operation principle of the present utility model: based on the thermodynamic cycle theory of many heat source heat pumps, many heat source heat pumps of semi-closed screw type unit of design adopts split type setting on the structure, comprise indoor host computer, outdoor heat exchange two parts.The indoor set part mainly comprises compressor, indoor heat exchanger, indoor expansion valve, indoor electric magnet valve, liquid reservoir, electric control system, mainly finishes compression, expansion, system side heat exchange; Outdoor machine part comprises circulating pump, finned heat exchanger, direct evaporative cooling heat exchanger, cold excessively (heat) heat exchanger, utilizes the wet exchange of heat of air, as the low level heat energy heat exchanging part.
This many heat source heat pumps unit has air-cooled and two kinds of heat exchange patterns of water-cooled, and multiple heat exchanger is also deposited, and both can utilize the water source, also can utilize the natural resources of air or soil.Can utilize direct evaporation cooling technique in summer, utilize airborne wet-bulb temperature,, realize refrigerating function by the wet exchange of the heat of recirculated water and air.In transition season and winter, utilize air as low level heat energy, finish heat-production functions.This unit has fundamentally been realized, reliably sustainable use efficient to outside natural resources.
1. summer operation:
Equipment compressor 1 is discharged the gas of high temperature, high pressure, and access arrangement cross valve 2 enters finned heat exchanger 4, cold excessively (heat) heat exchanger 10, becomes the liquid of high pressure, low temperature, enters liquid reservoir 5.The liquid of high pressure, low temperature becomes the gas of low pressure, low temperature by indoor expansion valve 7, enters indoor heat exchanger 3, and the heat of absorption system recirculated water becomes the gas of low pressure, high temperature, simultaneously with the circulating water cooling of system, realizes the purpose of refrigeration.
2. winter operation:
Compressor 1 is discharged the gas of high temperature, high pressure, and access arrangement cross valve 2 enters indoor heat exchanger 3, behind the heating system recirculated water, becomes the liquid of high pressure, low temperature, enters liquid reservoir 5.The liquid of high pressure, low temperature becomes the gas of low pressure, low temperature by outdoor expansion valve 9, and the outer finned heat exchanger 4 of inlet chamber and cold excessively (heat) heat exchanger 10 absorb airborne heat, become the gas of low pressure, high temperature, enter the suction inlet of compressor 1.The purpose that the realization system heats.
3. transition season
The operation in unit transition season, the purpose that can freeze, heat according to the user realizes by the circulation in summer and winter.
Beneficial effect: 1, the machine that contracts adopts the semi-closed screw type compressor aim at the design of heat pump operating mode, and the design of The built-in formula high capacity running under various different operating modes, can both guarantee efficient, operation reliably.With the circulation system that designs under the heat pump operating mode, can solve southern area whole year, northern area average temperature of the whole year the annual domestic hot-water's problem of winter heating, summer air-conditioning in area more than-5 ℃.
2, indoor heat exchanger is selected full brazing plate type heat exchanger for use, compares with the heat exchanger of other type, has that heat transfer efficiency height, volume are little, in light weight, an area and path combination advantage easily.Particularly can realize the heat exchange under the little temperature difference, make press under less pressure ratio, higher leaving water temperature is arranged.Improved the heat exchange structure of traditional evaporative condenser.Its relative humidity of discharging air reduces greatly, avoids the injection of water droplet, water smoke simultaneously and spatters the utilization rate of raising cooling water outward.Heat exchanger effectiveness is higher than traditional direct vaporation-type type of cooling, and performance is better than conventional evaporative condenser.
3, changed the pipe arrangement pattern of conventional heat pump systematic working medium loop, can realize gravity or mechanical feed flow, realized the full-liquid type evaporation and heat-exchange, its cold and hot medium heat exchange remains reverse-flow, improves the heat exchange efficiency of heat exchanger greatly.Under the state of heating, it is cold excessively to utilize light face set of heat exchange tubes to carry out pre-cold-peace, and change is entered air humidity before the finned heat exchanger.Particularly under microthermal climate, can carry out the dehumidification preliminary treatment, will delay the frosting process of finned tube group the low temperature and high relative humidity air.
4, system adopts two expansion valves to freeze respectively and the configuration of heating condition, the disposable condition of work that satisfies under the different operating modes that is provided with, and the system thermal procession of making is maintained to optimum state.
5, equipment and annex, assembling is arranged in two casings, utilizes the computer simulation actual size, and the housing construction of making designs, and has realized the The optimum layout of accurate equipment, pipeline and rack construction, has reduced the drag losses of cold-producing medium circulation.Machine vibration and noise will be made the unit operation noise reduce greatly by the effective absorption of set structure self.This unit has fundamentally been realized efficient, the reliable sustainable utilization of outside natural resources is reached the purpose of energy-saving and environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model thermodynamic cycle principle;
Fig. 2 is the off-premises station structural representation.
Among the figure: the 1-compressor, the 2-cross valve, the 3-indoor heat exchanger, the 4-finned heat exchanger, the 5-liquid reservoir, 6-indoor electric magnet valve, the indoor expansion valve of 7-, the outdoor magnetic valve of 8-, the 9-outdoor expansion valve, 10-cold excessively (heat) heat exchanger, the 11-circulating pump, the 12-blower fan, the 13-non-return valve, the 14-cyclic water tank, the 15-water inlet pipe, the 16-outlet pipe, the 17-blow-off pipe, the 18-filling pipe, the refrigerant of 19-finned heat exchanger is taken over, the refrigerant of 20-cold (heat) heat exchanger is taken over, the 21-water dispenser, the direct evaporative cooling heat exchanger of 22-, the 23-air inlet.
The specific embodiment
As shown in Figure 1, many heat source heat pumps of semi-closed screw type unit is by indoor set, the split type setting of off-premises station two parts, and is connected with electric control system.The semi-closed screw type compressor 1 of indoor set part and indoor heat exchanger be 3 in parallel, contact with cross valve 2, indoor heat exchanger 3 adopts complete fine weldering plate type heat exchanger, one end is connected with cross valve 2, and the other end is connected with liquid reservoir 5 through indoor expansion valve 7, indoor electric magnet valve 8.Non-return valve 13 can be established in the appropriate location in the pipeline.
As shown in Figure 2, outdoor machine part: blower fan 12, cold excessively (heat) heat exchanger 10 of finned heat exchanger 4 series connection smooth pipe formulas places cyclic water tank 14 tops, circulating pump 11 1 ends connect the outlet pipe 16 of cyclic water tank, the other end placed cold (heat) water dispenser 21 and direct evaporative cooling heat exchanger 22 above the heat exchanger through water inlet pipe 15 connections, the refrigerant of finned heat exchanger takes over 19 through outdoor expansion valve 8, outdoor magnetic valve 9 is connected with the cross valve 2 of indoor set part, the refrigerant adapter 20 of crossing cold (heat) heat exchanger is communicated with the liquid reservoir 5 of indoor set part, on cyclic water tank 14 casings air inlet 23 is arranged, blow-off pipe 17 is arranged at the bottom, and there is filling pipe 18 side.
This unit adopts the compressor oil cooling system of the auxiliary feed flow cooling of two-way in tail and the machine, and analog manual operation's intelligent computer control system is adopted in unit control.
Claims (5)
1, a kind of many heat source heat pumps of semi-closed screw type unit, form by indoor set, off-premises station two parts, be connected to become a complete circulatory system by refrigerant pipe between them, it is characterized in that: the compressor of indoor set part and indoor heat exchanger, cross valve polyphone, indoor heat exchanger one end is connected with cross valve, and the other end is connected with liquid reservoir through indoor expansion valve, indoor electric magnet valve;
Outdoor machine part: blower fan, the finned heat exchanger hot and cold heat exchanger of connecting places cyclic water tank top, water circulating pump one end connects the outlet pipe of cyclic water tank, the other end connects water dispenser and the direct evaporative cooling heat exchanger that placed above the hot and cold heat exchanger through water inlet pipe, the refrigerant of finned heat exchanger is taken over through outdoor expansion valve, outdoor magnetic valve and is connected with the cross valve of indoor set part, the refrigerant adapter of crossing hot and cold heat exchanger is communicated with the liquid reservoir of indoor set part, on the cyclic water tank casing air inlet is arranged.
2, many heat source heat pumps of semi-closed screw type unit according to claim 1, it is characterized in that: described compressor is semi-closed screw type compressor or piston compressor.
3, many heat source heat pumps of semi-closed screw type unit according to claim 1 is characterized in that: described indoor heat exchanger is complete fine weldering plate type heat exchanger.
4, many heat source heat pumps of semi-closed screw type unit according to claim 1 is characterized in that: the hot and cold heat exchanger of described mistake is a smooth pipe formula heat exchanger tube.
5, according to claim 1,2,3 or 4 described many heat source heat pumps of semi-closed screw type units, it is characterized in that: blow-off pipe is arranged at described cyclic water tank bottom, and there is filling pipe the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237548 CN2553312Y (en) | 2002-06-07 | 2002-06-07 | Semi-closed screw multiple heat sources heat pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237548 CN2553312Y (en) | 2002-06-07 | 2002-06-07 | Semi-closed screw multiple heat sources heat pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553312Y true CN2553312Y (en) | 2003-05-28 |
Family
ID=33711473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237548 Expired - Fee Related CN2553312Y (en) | 2002-06-07 | 2002-06-07 | Semi-closed screw multiple heat sources heat pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553312Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404974C (en) * | 2006-06-15 | 2008-07-23 | 清华大学 | Air and water direct contact type air conditioning system |
| CN102313393A (en) * | 2011-10-19 | 2012-01-11 | 周兆龙 | Steam-energy water heating machine |
| CN108036535A (en) * | 2017-12-06 | 2018-05-15 | 安徽睿知信信息科技有限公司 | A kind of structure of screw type cold source hot water machine group |
| CN110007595A (en) * | 2019-03-29 | 2019-07-12 | 常州英集动力科技有限公司 | Heating system load Real time optimal dispatch method, unit model, unit and system |
-
2002
- 2002-06-07 CN CN 02237548 patent/CN2553312Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100404974C (en) * | 2006-06-15 | 2008-07-23 | 清华大学 | Air and water direct contact type air conditioning system |
| CN102313393A (en) * | 2011-10-19 | 2012-01-11 | 周兆龙 | Steam-energy water heating machine |
| CN108036535A (en) * | 2017-12-06 | 2018-05-15 | 安徽睿知信信息科技有限公司 | A kind of structure of screw type cold source hot water machine group |
| CN110007595A (en) * | 2019-03-29 | 2019-07-12 | 常州英集动力科技有限公司 | Heating system load Real time optimal dispatch method, unit model, unit and system |
| CN110007595B (en) * | 2019-03-29 | 2022-04-22 | 常州英集动力科技有限公司 | Real-time load optimization scheduling method, unit model, unit and system for heat supply system |
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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 |