CN202229472U - Ground source heat pump unit - Google Patents
Ground source heat pump unit Download PDFInfo
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- CN202229472U CN202229472U CN2011203415253U CN201120341525U CN202229472U CN 202229472 U CN202229472 U CN 202229472U CN 2011203415253 U CN2011203415253 U CN 2011203415253U CN 201120341525 U CN201120341525 U CN 201120341525U CN 202229472 U CN202229472 U CN 202229472U
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- heat exchanger
- interface
- way change
- valve
- compressor
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Abstract
The utility model discloses a ground source heat pump unit which comprises a refrigeration system consisting of a compressor (1), a first four-way reversing valve (2), a second four-way reversing valve (3), a heat source side heat exchanger (4), a use side heat exchanger (13), a hot water heat exchanger (12), a first electromagnetic valve (6), a second electromagnetic valve (7), a first check valve (9), a second check valve (10), a third check valve (11), a first throttling element (5) and a second throttling element (8), wherein the heat source side heat exchanger (4) and the hot water heat exchanger (12) are arranged in parallel. With the adoption of the ground source heat pump unit, three functions of refrigeration, heating and domestic hot water supply are fulfilled, and the energy utilization rate is high.
Description
Technical field
The utility model relates to the air-conditioning equipment field, is specifically related to a kind of earth source heat pump unit.
Background technology
Earth source heat pump unit originally has only refrigeration and heats two kinds of functions, can not satisfy the demand of user to the domestic hot-water.The someone had invented a kind of earth source heat pump unit that can realize freezing, heat, providing three kinds of functions of domestic hot-water afterwards; This earth source heat pump unit comprises refrigeration system and the automatic control system of being made up of compressor, four-way change-over valve, heat source side heat exchanger, use side heat exchanger, hot water heat exchanger, magnetic valve, check valve and restricting element; Wherein heat source side heat exchanger and hot water heat exchanger are provided with for series connection, and heat source side heat exchanger water interface communicates with a cover groundwater circle system, hot water heat exchanger water interface communicates, uses side heat exchanger water interface to communicate with the user side air-conditioner water system with a cover hot water supply system.The structure that heat source side heat exchanger and hot water heat exchanger series connection are provided with makes this earth source heat pump unit can only utilize the sensible heat in the compressor air-discharging partly to produce hot water; And can not utilize latent heat partly to produce hot water; Promptly can only reclaim 10～30% heat; So capacity usage ratio is low, can not be applied widely.
The utility model content
The utility model technical problem to be solved is the deficiency to above prior art, provides a kind of and can realize freezing, heating, provide three kinds of functions of domestic hot-water and the high earth source heat pump unit of capacity usage ratio.
For addressing the above problem; The utility model provides a kind of earth source heat pump unit; Comprise that by compressor, first four-way change-over valve, second four-way change-over valve, heat source side heat exchanger (be condenser during refrigeration; Be evaporimeter when heating), use the side heat exchanger (to be evaporimeter during refrigeration; Be condenser when heating), the refrigeration system formed of hot water heat exchanger, first magnetic valve, second magnetic valve, first check valve, second check valve, the 3rd check valve, first throttle element and second restricting element; The water interface of heat source side heat exchanger communicates with groundwater circle system, and the water interface of hot water heat exchanger communicates with the hot water supply system, uses the water interface of side heat exchanger to communicate with the user side air-conditioner water system.The high-pressure side D interface of first four-way change-over valve links to each other with exhaust outlet of compressor; The C interface of first four-way change-over valve links to each other with the high-pressure side D interface of second four-way change-over valve; The E interface of first four-way change-over valve links to each other with the refrigerant side tracheae of hot water heat exchanger; The low-pressure side S interface of first four-way change-over valve links to each other through a balance pipe with the low-pressure side S interface of second four-way change-over valve, and promptly this first four-way change-over valve is used to switch hot water function and air-conditioning (freeze or heat) function.The C interface of second four-way change-over valve links to each other with the refrigerant side tracheae of heat source side heat exchanger; The E interface of second four-way change-over valve links to each other with the refrigerant side tracheae that uses the side heat exchanger; The low-pressure side S interface of second four-way change-over valve links to each other with the low-pressure side interface of compressor, and promptly this second four-way change-over valve is used to switch refrigerating function and heat-production functions.The arrival end of first check valve is connected the liquid pipe outlet of heat source side heat exchanger; The arrival end of second check valve is connected the liquid pipe outlet of hot water heat exchanger; The arrival end of the 3rd check valve is connected the liquid pipe outlet of using the side heat exchanger; After the port of export of first check valve, second check valve and the 3rd check valve is connected in parallel, through getting into liquid tube inlet that uses the side heat exchanger or the liquid tube inlet that behind first magnetic valve and first throttle element, gets into heat source side heat exchanger behind second magnetic valve and second restricting element.Can find out by above syndeton, between the heat source side heat exchanger of this earth source heat pump unit and the hot water heat exchanger for being set up in parallel.
After adopting above structure; The utility model compared with prior art has the following advantages: the utility model earth source heat pump unit has been realized being set up in parallel between heat source side heat exchanger and the hot water heat exchanger through two four-way change-over valves, three check valves and two magnetic valves, makes this earth source heat pump unit can not only utilize the sensible heat in the compressor air-discharging partly to produce hot water; Can also utilize latent heat partly to produce hot water; Can realize full recuperation of heat, capacity usage ratio is high, under the prerequisite that realizes refrigeration, heat-production functions; Throughout the year the domestic hot-water can be provided; And water temperature is up to 55 ℃, and it is required enough to satisfy people's daily life, and this earth source heat pump unit is applicable to by wide popularization and application.
Said heat source side heat exchanger is double pipe heat exchanger or plate type heat exchanger, and the said side heat exchanger that uses is double pipe heat exchanger or plate type heat exchanger, and said hot water heat exchanger is double pipe heat exchanger or plate type heat exchanger, can meet the needs of different users.
Said compressor is screw compressor or rotor-type compressor or invariable frequency compressor or frequency-changeable compressor, can meet the needs of different users.
Said compressor is one or several parallel connections, can meet the needs of different users.
Description of drawings
Shown in the drawings is the sketch map of the utility model earth source heat pump unit.
Wherein: 1, compressor; 2, first four-way change-over valve; 3, second four-way change-over valve; 4, heat source side heat exchanger; 5, first throttle element; 6, first magnetic valve; 7, second magnetic valve; 8, second restricting element; 9, first check valve; 10, second check valve; 11, the 3rd check valve; 12, hot water heat exchanger; 13, use the side heat exchanger; 14, groundwater circle system; 15, hot water supply system; 16, user side air-conditioner water system.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to detail.
Shown in accompanying drawing, the utility model earth source heat pump unit comprises by compressor 1, first four-way change-over valve 2, second four-way change-over valve 3, heat source side heat exchanger 4, the refrigeration system of using side heat exchanger 13, hot water heat exchanger 12, first magnetic valve 6, second magnetic valve 7, first check valve 9, second check valve 10, the 3rd check valve 11, first throttle element 5 and second restricting element 8 to form.The water interface of heat source side heat exchanger 4 communicates with groundwater circle system 14, and the water interface of hot water heat exchanger 12 communicates with hot water supply system 15, uses the water interface of side heat exchanger 13 to communicate with user side air-conditioner water system 16.The high-pressure side D interface of first four-way change-over valve 2 links to each other with compressor 1 exhaust outlet; The C interface of first four-way change-over valve 2 links to each other with the high-pressure side D interface of second four-way change-over valve 3; The E interface of first four-way change-over valve 2 links to each other with the refrigerant side tracheae of hot water heat exchanger 12, and the low-pressure side S interface of first four-way change-over valve 2 links to each other through a balance pipe with the low-pressure side S interface of second four-way change-over valve 3.The C interface of second four-way change-over valve 3 links to each other with the refrigerant side tracheae of heat source side heat exchanger 4; The E interface of second four-way change-over valve 3 links to each other with the refrigerant side tracheae that uses side heat exchanger 13, and the low-pressure side S interface of second four-way change-over valve 3 links to each other with the low-pressure side interface of compressor 1.The arrival end of first check valve 9 is connected the liquid pipe outlet of heat source side heat exchanger 4; The arrival end of second check valve 10 is connected the liquid pipe outlet of hot water heat exchanger 12; The arrival end of the 3rd check valve 11 is connected the liquid pipe outlet of using side heat exchanger 13; After the port of export of first check valve 9, second check valve 10 and the 3rd check valve 11 is connected in parallel, through getting into the liquid tube inlet that uses side heat exchanger 13 behind second magnetic valve 7 and second restricting element 8 or the liquid tube inlet of entering heat source side heat exchanger 4 behind first magnetic valve 6 and first throttle element 5.
Described first throttle element 5, second restricting element 8 comprise capillary, heating power expansion valve or electric expansion valve.Said heat source side heat exchanger 4 is a double pipe heat exchanger; The said side heat exchanger 13 that uses is double pipe heat exchanger; Said hot water heat exchanger 12 is a double pipe heat exchanger, and certainly, heat source side heat exchanger 4 or use side heat exchanger 13 or hot water heat exchanger 12 also can be selected plate type heat exchanger as required.Said compressor 1 is a screw compressor, can certainly be rotor-type compressor or invariable frequency compressor or frequency-changeable compressor.Said compressor 1 is one, can certainly select several parallel connections as required.
The operation principle of the utility model earth source heat pump unit is following:
Refrigeration mode: first four-way change-over valve 2, second four-way change-over valve 3 must not electricity, and first magnetic valve 6 must not electricity, second magnetic valve 7.From compressor 1 exhaust outlet come out gases at high pressure get into first four-way change-over valve 2; Get into second four-way change-over valve 3 through the C outlet; Export out from the C of second four-way change-over valve 3 and get into heat source side heat exchanger 4;, get into to get into after 8 throttlings of second restricting element and use side heat exchanger 13 after first check valve 9, second magnetic valve 7 through condensation, get into second four-way change-over valve 3 from the cold-producing medium that uses side heat exchanger 13 to come out; Through the E of second four-way change-over valve 3, the air entry that the S interface is got back to compressor 1, accomplish a kind of refrigeration cycle.
Heating mode: first four-way change-over valve 2 must not be electric, and second four-way change-over valve 3 gets electric, and first magnetic valve 6 gets electric, and second magnetic valve 7 must not.From compressor 1 exhaust outlet come out gases at high pressure get into first four-way change-over valve 2; Get into second four-way change-over valve 3 through the C outlet; Export out entering use side heat exchanger 13 from the E of second four-way change-over valve 3; After the 3rd check valve 11, first magnetic valve 6, get into heat source side heat exchanger 4 after getting into 5 throttlings of first throttle element through condensation, the cold-producing medium that comes out from heat source side heat exchanger 4 gets into second four-way change-over valve 3; Through the C of second four-way change-over valve 3, the air entry that the S interface is got back to compressor 1, accomplish one and heat circulation.
Hot water circuit: first four-way change-over valve 2 gets electric, and second four-way change-over valve 3 gets electric, and first magnetic valve 6 gets electric, and second magnetic valve 7 must not.From compressor 1 exhaust outlet come out gases at high pressure get into first four-way change-over valve 2; Get into hot water heat exchanger 12 through the E outlet; After second check valve 10, first magnetic valve 6, get into heat source side heat exchanger 4 after getting into 5 throttlings of first throttle element through condensation, the cold-producing medium that comes out from heat source side heat exchanger 4 gets into second four-way change-over valve 3; Through the C of second four-way change-over valve 3, the air entry that the S interface is got back to compressor 1, accomplish a circulation.When water tank temperature reached setting value+hot water return difference (giving tacit consent to 2 ℃), unit shut down automatically, when the water tank water temperature is lower than setting value-hot water return difference (giving tacit consent to 2 ℃), and the automatic recovery heat aqueous mode of unit.
Refrigeration+hot water pattern: as user refrigeration and hot water demand all during unmet, first four-way change-over valve 2 electric, second four-way change-over valve 3 must not electricity, first magnetic valve 6 must not electricity, second magnetic valve 7 gets.From compressor 1 exhaust outlet come out gases at high pressure get into first four-way change-over valve 2; Get into hot water heat exchanger 12 through the E outlet;, get into to get into after 8 throttlings of second restricting element and use side heat exchanger 13 after second check valve 10, second magnetic valve 7 through condensation, get into second four-way change-over valve 3 from the cold-producing medium that uses side heat exchanger 13 to come out; Through the E of second four-way change-over valve 3, the air entry that the S interface is got back to compressor 1, accomplish a circulation.When water tank temperature reached setting value+hot water return difference (giving tacit consent to 2 ℃), unit automatically switched to the refrigeration mode operation; When the water tank water temperature was lower than setting value-hot water return difference (giving tacit consent to 2 ℃), unit automatically switched to refrigeration+hot water mode operation; When air-conditioning side water temperature was lower than setting value-air-conditioning return difference (giving tacit consent to 2 ℃), unit transferred the hot water mode operation automatically to.
Heat+the hot water pattern: when being set at hot water when preferential, unit is earlier with the hot water mode operation, and when water tank temperature reached setting value+hot water return difference (give tacit consent to 2 ℃), unit automatically switched to heating mode and moves; When the water tank water temperature is lower than setting value-hot water return difference (giving tacit consent to 2 ℃), the automatic recovery heat aqueous mode of unit.Heat when preferential when being set at, with the heating mode operation, when air-conditioning side water temperature was lower than setting value+air-conditioning return difference (giving tacit consent to 2 ℃), unit transferred the hot water mode operation to unit automatically earlier.When air-conditioning side water temperature was lower than setting value-air-conditioning return difference (giving tacit consent to 2 ℃), unit transferred the heating mode operation automatically to.
Above embodiment be to the explanation of the utility model with explain that further rather than to the restriction of the utility model, any modification of in the interest field of the utility model, being done all falls into the protection domain of the utility model.
Claims (4)
1. earth source heat pump unit; Comprise the refrigeration system of forming by compressor (1), first four-way change-over valve (2), second four-way change-over valve (3), heat source side heat exchanger (4), use side heat exchanger (13), hot water heat exchanger (12), first magnetic valve (6), second magnetic valve (7), first check valve (9), second check valve (10), the 3rd check valve (11), first throttle element (5) and second restricting element (8); The water interface of heat source side heat exchanger (4) communicates with groundwater circle system (14); The water interface of hot water heat exchanger (12) communicates with hot water supply system (15); Use the water interface of side heat exchanger (13) to communicate with user side air-conditioner water system (16); It is characterized in that: the high-pressure side D interface of first four-way change-over valve (2) links to each other with compressor (1) exhaust outlet; The C interface of first four-way change-over valve (2) links to each other with the high-pressure side D interface of second four-way change-over valve (3); The E interface of first four-way change-over valve (2) links to each other with the refrigerant side tracheae of hot water heat exchanger (12), and the low-pressure side S interface of first four-way change-over valve (2) links to each other through a balance pipe with the low-pressure side S interface of second four-way change-over valve (3); The C interface of second four-way change-over valve (3) links to each other with the refrigerant side tracheae of heat source side heat exchanger (4); The E interface of second four-way change-over valve (3) links to each other with the refrigerant side tracheae that uses side heat exchanger (13), and the low-pressure side S interface of second four-way change-over valve (3) links to each other with the low-pressure side interface of compressor (1); The arrival end of first check valve (9) is connected the liquid pipe outlet of heat source side heat exchanger (4); The arrival end of second check valve (10) is connected the liquid pipe outlet of hot water heat exchanger (12); The arrival end of the 3rd check valve (11) is connected the liquid pipe outlet of using side heat exchanger (13); After the port of export of first check valve (9), second check valve (10) and the 3rd check valve (11) is connected in parallel, through getting into liquid tube inlet that uses side heat exchanger (13) or the liquid tube inlet that behind first magnetic valve (6) and first throttle element (5), gets into heat source side heat exchanger (4) behind second magnetic valve (7) and second restricting element (8).
2. earth source heat pump unit according to claim 1; It is characterized in that: said heat source side heat exchanger (4) is double pipe heat exchanger or plate type heat exchanger; The said side heat exchanger (13) that uses is double pipe heat exchanger or plate type heat exchanger, and said hot water heat exchanger (12) is double pipe heat exchanger or plate type heat exchanger.
3. earth source heat pump unit according to claim 1 is characterized in that: said compressor (1) is screw compressor or rotor-type compressor or invariable frequency compressor or frequency-changeable compressor.
4. earth source heat pump unit according to claim 3 is characterized in that: said compressor (1) is one or several parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203415253U CN202229472U (en) | 2011-09-13 | 2011-09-13 | Ground source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203415253U CN202229472U (en) | 2011-09-13 | 2011-09-13 | Ground source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229472U true CN202229472U (en) | 2012-05-23 |
Family
ID=46080057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203415253U Expired - Lifetime CN202229472U (en) | 2011-09-13 | 2011-09-13 | Ground source heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266407A (en) * | 2014-10-21 | 2015-01-07 | 王仕相 | Air source heat pump unit |
-
2011
- 2011-09-13 CN CN2011203415253U patent/CN202229472U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266407A (en) * | 2014-10-21 | 2015-01-07 | 王仕相 | Air source heat pump unit |
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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: WATERFURNACE SHENGLONG HVACR CLIMATE SOLUTIONS CO. Free format text: FORMER OWNER: AIMEI SHENGLONG (NINGBO) MACHINERY CO., LTD. Effective date: 20130531 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130531 Address after: 315104 Zhejiang city of Ningbo province Yinzhou District investment center JINDA Road No. 788 Patentee after: WaterFurnace Shenglong HVACR Climate Solutions Co., Ltd. Address before: 315104 Zhejiang city of Ningbo province Yinzhou Industrial Park Jin Road No. 788 Patentee before: WFI (Ningbo) Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |