CN101158492A - Water source cold-hot machine group - Google Patents
Water source cold-hot machine group Download PDFInfo
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- CN101158492A CN101158492A CNA2007100312696A CN200710031269A CN101158492A CN 101158492 A CN101158492 A CN 101158492A CN A2007100312696 A CNA2007100312696 A CN A2007100312696A CN 200710031269 A CN200710031269 A CN 200710031269A CN 101158492 A CN101158492 A CN 101158492A
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Abstract
The invention discloses a water source cold-heat energy set. The invention provides an air conditioning set which makes use of water source to prepare cold/hot and sanitation hot water. The output end of a compressor (1) of the set is connected with the input end of a heat exchanger (2). The output end of the heat exchanger (2) is connected with one end of an evaporator (4) through a reversing valve (3). One pipeline of the other end of the evaporator (4) is connected with a holding valve (8) and another pipeline is connected with an expansion valve (9) and a solenoid pilot actuated valve (10). One pipeline of the reversing valve (3) is connected with a solenoid pilot actuated valve (6) and a holding valve (7) and is also connected with an evaporator (14) through a solenoid pilot actuated valve (5). The holding valve (8), the holding valve (7) and the solenoid pilot actuated valve (10) are respectively connected with the evaporator (14) through a solenoid pilot actuated valve (12) and an expansion valve (13). The holding valve (8), the holding valve (7) and the solenoid pilot actuated valve (10) are respectively connected with the evaporator (14) through a holding valve (11).
Description
Technical field
The present invention relates to heating-cooling equipment, is a kind of air-conditioning unit that utilizes the water source to carry out cooling and warming as cold/heat source and health hot water is provided specifically.
Background technology
At present, in many dwelling houses or the commercial building, require to solve on the one hand the problem of winter heating and summer air-conditioning cooling, there is the health hot water supply in the year of demanding perfection again on the other hand.For the former generally is with cover family expenses or a commercial central air conditioner system, and the latter then separately with a cover health hot water supply system, that is to say and used two to overlap independently system.Present the most common way, a kind of is to turn on the aircondition summer, winter is with Boiler heating and produce health hot water; It is that boiler is serially connected on the feed pipe of air-conditioning system as auxiliary thermal source that another kind is done rule.Above-mentioned dual mode in fact all is the superposition of two cover systems, and have to not only electricity consumption but also with combustion gas or fuel oil of user also will be carried out the switching of manual summer in winter operating mode.It is to utilize the air source cold-hot energy unit that a lot of units are also arranged, but because there is evident difference in the humiture of air with the variation of weather, especially season clearly demarcated area, aerial temperature and humidity is more remarkable with seasonal variations, and this has brought great limitation with regard to the design and use of giving the air source cold-hot energy unit.As the too low place of temperature in the winter time, air source cold-hot energy unit even can't operate as normal, the unit utilization rate is low, and energy consumption cost is big, maintenance management cost height.
Summary of the invention
The problem that the present invention need solve provides a kind of constant temperature water source such as underground water that utilizes as cold/heat source, solves heating effect under the low temperature in winter and summer air-conditioning truly, winter heating, supply integrated " the three-way set group " of annual health hot water.
The present invention is achieved by the following technical programs: a kind of water source cold-hot unit, comprise compressor, heat exchanger, evaporimeter, expansion valve, pipe-line control valve door and the connecting line that above-mentioned parts formation is circulated, described compressor 1 output links to each other with heat exchanger 2 inputs, heat exchanger 2 outputs link to each other with evaporimeter 4 one ends by reversal valve 3, and pipeline of evaporimeter 4 other ends connects check valve 8, another pipeline connects expansion valve 9 and magnetic valve 10; 3 one pipelines of described reversal valve connect magnetic valve 6, check valve 7, also link to each other with evaporimeter 14 through magnetic valve 5; Described check valve 8, check valve 7, magnetic valve 10 are connected with evaporimeter 14 by magnetic valve 12, expansion valve 13 respectively, and described check valve 8, check valve 7, magnetic valve 10 are connected with evaporimeter 14 by check valve 11 respectively.
Wherein, described reversal valve 3 is a four-way change-over valve; Described heat exchanger 2 can be in board-like, shell-tube type, the bushing type any; Described evaporimeter 4,14 can be in board-like, the shell-tube type any; Described expansion valve 9,13 is heating power expansion valve or capillary; Described evaporimeter 4 is provided with the entery and delivery port that is connected with constant temperature water sources such as underground water.
When using on the spot, the present invention can realize multiple different operating mode.When described four-way change-over valve 3 dead electricity (or), magnetic valve 6 and magnetic valve 10 disconnect, and this moment, unit was a cooling condition; When described four-way change-over valve 3 got electric (or dead electricity), magnetic valve 5 and magnetic valve 12 disconnected, and this moment, unit was carried out the health hot water operating mode; When described four-way change-over valve 3 got electric (or dead electricity), magnetic valve 6 and magnetic valve 12 disconnected, and this moment, unit was the heating operating mode.
The present invention compared with prior art has the following advantages:
1, the electromagnetic switch by four-way change-over valve, the switching mode of control four-way change-over valve, the circular flow of realizing refrigeration working medium to, the water route of original unit external complex switched change into the automatic conversion that can finish in machine set system inside, simplified the circuit design of unit outside.
2, make full use of the cold/heat source of constant temperature water sources such as underground water, for the user provides stable cold/heat and health hot water as unit operation.
3, this unit does not have the burning and exhausting pollution, and the feature of environmental protection is good, and rate of energy also improves greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with example and accompanying drawing.
As shown in Figure 1, the present invention includes compressor, heat exchanger (can be in board-like, shell-tube type and the bushing type any), evaporimeter (can be in board-like, the shell-tube type any), expansion valve (can be in heating power expansion valve and the capillary any), pipe-line control valve door and above-mentioned parts are constituted the connecting line of circulation.Described compressor 1 output links to each other with heat exchanger 2 inputs, and heat exchanger 2 outputs link to each other with evaporimeter 4 one ends by four-way change-over valve 3, and pipeline of evaporimeter 4 other ends connects check valve 8, another pipeline connects expansion valve 9, magnetic valve 10; 3 one pipelines of described four-way change-over valve connect magnetic valve 6, check valve 7, also link to each other with evaporimeter 14 through magnetic valve 5; Described check valve 8, check valve 7, magnetic valve 10 are connected with evaporimeter 14 by magnetic valve 12, expansion valve 13 respectively, and described check valve 8, check valve 7, magnetic valve 10 are connected with evaporimeter 14 by check valve 11 respectively.
Described evaporimeter 4 is provided with water inlet and delivery port, is responsible for constant temperature water sources such as underground water are extracted and reflux.Described evaporimeter 14 is provided with water inlet and delivery port, is responsible for cold/hot water is delivered to end-equipment, realizes refrigeration and heating.
The present invention can realize 5 kinds of independently operating mode circulations:
1, single cold operating mode (the four-way change-over valve dead electricity or electric, disconnect by external control system control magnetic valve 6,10)
The refrigerant gas of the HTHP of discharging behind compressor 1 compressed action among the present invention enters in the evaporimeter 4 through heat exchanger 2 and four-way change-over valve 3 successively, the refrigerant liquid of warm high pressure in being condensed into after by evaporimeter 4 release heat to constant temperature water sources such as underground water, above-mentioned refrigerant liquid is through check valve 8, magnetic valve 12 enters in the expansion valve 13, expansion valve 13 is the liquid of low-temp low-pressure with refrigerant liquid throttling step-down, this refrigerant liquid enters high temperature that evaporimeter 14 and end-equipment flow back to and freezes the refrigerant gas that water carries out flashing to after the heat exchange low-temp low-pressure, get back to compressor 1 compressed action from the refrigerant gas that evaporimeter 14 comes out through magnetic valve 5 and four-way change-over valve 3, thereby form a refrigerating circuit and so circulation.The default coolant-temperature gage that freezes in control circuit reaches, and unit promptly unloads shutdown.
In said process, the water that extracts from constant temperature water sources such as underground water enters as the water inlet of cooling water from evaporimeter 4, the refrigerant liquid of warm high pressure during the refrigerant vapour of HTHP is condensed into, described cooling water refluxes through the delivery port of evaporimeter 4 again, and this moment, evaporimeter was brought into play the effect of condenser.
On the engineering, the water inlet and the delivery port of described evaporimeter 14 are connected to end-equipment, for example, evaporimeter 14 are connected to each room in the building, and the chilled waters in the evaporimeter 14 carry out the purpose that heat exchange reaches cooling by end-equipment with room air.
2, refrigeration the time is produced health hot water (four-way change-over valve dead electricity or)
The starting stage of unit start of the present invention, magnetic valve 6,10 disconnect, at first refrigeration working medium is compressed into the refrigerant vapour of HTHP, this refrigerant vapour is through heat exchanger 2, four-way change-over valve 3 enters evaporimeter 4, the cooling water that extracts by water inlet this moment thermostatted waters such as () underground water enters evaporimeter 4, described cooling water and refrigeration working medium carry out heat exchange, the refrigerant liquid of warm high pressure during the refrigerant vapour of above-mentioned HTHP is condensed into, described cooling water refluxes through the delivery port of evaporimeter 4, the refrigerant liquid of middle temperature high pressure is then through check valve 8, magnetic valve 12 enters expansion valve 13, expansion valve 13 is the refrigerant liquid of low-temp low-pressure with the refrigerant liquid throttling step-down of middle temperature high pressure, enter the heat that evaporimeter 14 absorbs refrigerating medium then, be translated into the refrigerant gas of low-temp low-pressure, get back to compressor 1 compressed action from the refrigerant gas that evaporimeter 14 comes out through magnetic valve 5 and four-way change-over valve 3, thereby form a refrigerating circuit and so circulation.
I) the default air-conditioner temperature in control system reaches, and unit switches to the health hot water operating mode;
II) the default health hot water temperature in control system reaches, and unit switches to single cold operating mode;
III) when the air-conditioner temperature in the control system and health hot water temperature all reached, unit promptly unloaded shutdown.
3, health hot water operating mode (four-way change-over valve gets electric or dead electricity, is disconnected by external control system control magnetic valve 5,12)
Compressor 1 among the present invention is compressed into refrigeration working medium the refrigerant vapour of HTHP and enters heat exchanger 2, carry out the health hot water that exchange heat can obtain 45-55 ℃ (temperature can be provided with) with the hot-water heating system water route, at this moment condensation of refrigerant is the refrigerant liquid of middle temperature high pressure, through four-way change-over valve 3, magnetic valve 6, check valve 7, magnetic valve 10, enter expansion valve 9, the throttling step-down is the refrigerant liquid of low-temp low-pressure, enter the heat that evaporimeter 4 absorbs low temperature environments constant temperature water sources such as () underground water again, become the refrigerant gas of low-temp low-pressure,, form one and heat loop and so circulation after four-way change-over valve 3 is got back to compressor 1.Health hot water temperature in control system reaches, and unit promptly unloads shutdown.
4, heating operating mode (four-way change-over valve gets electric or dead electricity, is disconnected by external control system control magnetic valve 6,12)
Compressor 1 compressed action among the present invention is discharged the refrigerant vapour of HTHP, through heat exchanger 2, four-way change-over valve 3, magnetic valve 5 enters evaporimeter 14, refrigeration working medium in the evaporimeter 14 carries out heat exchange by the low-temperature water heating that flows back to end-equipment, the refrigerant liquid of warm high pressure in being condensed into, again through check valve 11, magnetic valve 10 enters in the expansion valve 9, the refrigerant liquid that expansion valve 9 is a low-temp low-pressure with its throttling step-down, enter the heat that evaporimeter 4 absorbs low temperature environments constant temperature water sources such as () underground water, become the refrigerant gas of low-temp low-pressure,, form one and heat loop and so circulation after four-way change-over valve 3 is got back to compressor 1.Heating temperature in control system reaches, and unit promptly unloads shutdown.
In said process, the low-temperature water heating that high-temperature high-pressure refrigerant steam in the evaporimeter 14 and end-equipment flow back to carries out heat exchange, the effect of evaporimeter 14 performance condensers.
5, produce health hot water (four-way change-over valve gets electric or dead electricity, is disconnected by external control system control magnetic valve 12) during heating
The starting stage of unit start of the present invention, magnetic valve 6,12 disconnect, compressor 1 is discharged the refrigerant vapour of HTHP, through heat exchanger 2, four-way change-over valve 3, magnetic valve 5 enters evaporimeter 14 (making condenser uses), the refrigerant liquid of warm high pressure during evaporimeter 14 is condensed into refrigeration working medium, again through check valve 11, magnetic valve 10 enters in the expansion valve 9, the refrigerant liquid that expansion valve 9 is a low-temp low-pressure with its throttling step-down, enter the heat that evaporimeter 4 absorbs low temperature environments constant temperature water sources such as () underground water, become the refrigerant gas of low-temp low-pressure,, form one and heat loop and so circulation after four-way change-over valve 3 is got back to compressor 1.
I) when the heating temperature in the control system reaches, unit switches to the hot water operating mode;
II) when the health hot water temperature in the control system reached, unit switched to the heating operating mode;
III) when the heating temperature in the control system and health hot water temperature all reached, unit promptly unloaded shutdown.
Claims (7)
1. water source cold-hot unit, comprise compressor, heat exchanger, pipe-line control valve door, evaporimeter, the expansion valve that connects successively by pipeline and make above-mentioned parts constitute the connecting line of circulation, it is characterized in that, described compressor (1) output links to each other with heat exchanger (2) input, heat exchanger (2) output links to each other with evaporimeter (4) one ends by reversal valve (3), and pipeline of evaporimeter (4) other end connects check valve (8), another pipeline connects expansion valve (9) and magnetic valve (10); (3) pipelines of described reversal valve connect magnetic valve (6), check valve (7), also pass through magnetic valve (5) and link to each other with evaporimeter (14); Described check valve (8), check valve (7), magnetic valve (10) are connected with evaporimeter (14) by magnetic valve (12), expansion valve (13) respectively, and described check valve (8), check valve (7), magnetic valve (10) are connected with evaporimeter (14) by check valve (11) respectively.
2. water source cold-hot unit according to claim 1 is characterized in that, described reversal valve (3) is a four-way change-over valve.
3. water source cold-hot unit according to claim 1 is characterized in that, described heat exchanger (2) be in board-like, shell-tube type, the bushing type any.
4. water source cold-hot unit according to claim 1 is characterized in that, described evaporimeter (4), (14) are board-like or shell-tube type.
5. water source cold-hot unit according to claim 1 is characterized in that, described expansion valve (9), (13) are heating power expansion valve or capillary.
6. water source cold-hot unit according to claim 1 is characterized in that, described evaporimeter (4) is provided with the entery and delivery port that is connected with constant temperature water sources such as underground water.
7. the progress control method of water source cold-hot unit according to claim 1 is characterized in that,
When reversal valve (3) dead electricity or when electric, described magnetic valve (6) and magnetic valve (10) disconnect, unit freezes;
When reversal valve (3) got electric or dead electricity, described magnetic valve (5) and magnetic valve (12) disconnected, and unit is produced health hot water;
When reversal valve (3) got electric or dead electricity, described magnetic valve (6) and magnetic valve (12) disconnected, unit heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100312696A CN101158492A (en) | 2007-11-06 | 2007-11-06 | Water source cold-hot machine group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100312696A CN101158492A (en) | 2007-11-06 | 2007-11-06 | Water source cold-hot machine group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101158492A true CN101158492A (en) | 2008-04-09 |
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ID=39306665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100312696A Pending CN101158492A (en) | 2007-11-06 | 2007-11-06 | Water source cold-hot machine group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101158492A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010115301A1 (en) * | 2009-04-08 | 2010-10-14 | 广州恒星冷冻机械制造有限公司 | Air source cold-heat energy unit |
| CN102221251A (en) * | 2011-05-18 | 2011-10-19 | 巢民强 | Split depressurization water/ground energy cold and warm domestic hot water integrated central air conditioning unit |
-
2007
- 2007-11-06 CN CNA2007100312696A patent/CN101158492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010115301A1 (en) * | 2009-04-08 | 2010-10-14 | 广州恒星冷冻机械制造有限公司 | Air source cold-heat energy unit |
| CN102221251A (en) * | 2011-05-18 | 2011-10-19 | 巢民强 | Split depressurization water/ground energy cold and warm domestic hot water integrated central air conditioning unit |
| CN102221251B (en) * | 2011-05-18 | 2012-12-19 | 巢民强 | Split depressurization water/ground energy cold and warm domestic hot water integrated central air conditioning unit |
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Open date: 20080409 |