CN205002379U - Ultra -low temperature single heat formula heat pump water heater - Google Patents
Ultra -low temperature single heat formula heat pump water heater Download PDFInfo
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- CN205002379U CN205002379U CN201520653142.8U CN201520653142U CN205002379U CN 205002379 U CN205002379 U CN 205002379U CN 201520653142 U CN201520653142 U CN 201520653142U CN 205002379 U CN205002379 U CN 205002379U
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Abstract
The utility model discloses an ultra -low temperature single heat formula heat pump water heater, including compressor, cross valve, constant temperature flow control valve, high temperature accumulator, medium temperature volume ware, tee bend thermo valve, heat storage water tank, water pump, economic ware, fin type heat exchanger and gas liquid separator, cooling path, tee bend thermo valve, heat storage water tank and the water pump of constant temperature flow control valve, the cooling path of high temperature accumulator, medium temperature volume ware pass through pipeline group intercommunication and constitute a water system, the heat medium passageway of compressor, cross valve, high temperature accumulator, the heat medium passageway of medium temperature volume ware, economic ware, fin type heat exchanger and gas liquid separator constitute a heat pump cycle system through another pipeline group intercommunication. The utility model has the advantages of: it is different according to ambient temperature, adopt two kinds of heating methods, be the unlimited time single heat mode of single single heat mode and inner loop respectively, guaranteed that single heat formula unit can both move reliablely high -efficient under height ambient temperature.
Description
Technical field
The utility model relates to a kind of hot water machine, particularly a kind of ultralow temperature heating type heat pump hot water.
Background technology
Heat-pump hot-water product is divided into a heated type and circulating heating type two types.One time heating type heat pump hot water is compared with circulating heating type, and because cold water does not enter heat storage water tank, hot water water supply is stable, product performance system high advantage market large-scale popularization on the south the Changjiang river.
Because a heated type is that cold water directly enters condenser, the size of discharge directly affects heating capacity and the coefficient of performance of unit, unit defrosting effect is also very undesirable simultaneously, when environment temperature is lower than 0 DEG C, owing to will ensure that the leaving water temperature of product also will reach 55 DEG C, thus discharge can be very little, the heat exchange effect of condenser is poor, the heating capacity of unit and the coefficient of performance are all very poor, the phenomenon that even there will be condensation not, thus unit can not normal water heating.
Therefore in many areas, circulating heating type heat pump is the main product promoted, and one time heated type product is difficult to promote, and is exactly that sub-fraction heated type product is at application in north China, also because winter poor performance, run the shortcomings such as abnormal, not by client is approved.
Utility model content
The technical problems to be solved in the utility model is to provide the environment temperature normal table of a kind of unit energy more than-25 DEG C and runs efficiently, simultaneously can assure feed water temperature constant, ultralow temperature heating type heat pump hot water that the coefficient of performance is high.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of ultralow temperature heating type heat pump hot water, and its innovative point is: comprise compressor, cross valve, constant temperature flow control valve, high temperature storage, middle temperature volume device, Three-way Thermostatic Valve, heat storage water tank, water pump, economizer, finned heat exchanger and vapour liquid separator;
The refrigerant passage of described constant temperature flow control valve, high temperature storage, the refrigerant passage of middle temperature volume device, Three-way Thermostatic Valve, heat storage water tank are communicated with formation water system with water pump by pipeline group;
The heat medium passage of described compressor, cross valve, high temperature storage, the heat medium passage of middle temperature volume device, economizer, finned heat exchanger are communicated with formation heat pump circulating system with vapour liquid separator by another pipeline group.
Further, the concrete structure of described water system is: high temperature storage has refrigerant import A
1, refrigerant import A
2with refrigerant exit A, middle temperature volume utensil has refrigerant import B, refrigerant exit B
1with refrigerant exit B
2, Three-way Thermostatic Valve has import A, import B and outlet C, and water pump has refrigerant import C and refrigerant exit C; Constant temperature flow control valve is located on water pipe A, and water pipe A is divided into two branch road water pipe A
1with water pipe A
2, be connected in refrigerant import A respectively
1be connected with import A by water pipe B with refrigerant import B, refrigerant exit A, refrigerant exit B
1be connected with import B by water pipe C, hot water is delivered to heat storage water tank by pipeline D, refrigerant exit B by outlet C
2be connected with refrigerant import C by water pipe E, refrigerant exit C is by water pipe F and refrigerant import A
2be connected.
Further, described water pipe A
1be provided with a magnetic valve B.
Further, described water pipe A also has another branch road water pipe A
3communicate with water pipe B, water pipe A
3be provided with a magnetic valve C.
Further, described water pipe F is provided with a check valve.
Further, the concrete structure of described heat pump circulating system is: compressor has Heating medium A
1, Heating medium A
2with heating agent outlet A; Cross valve has interface A, interface B, interface C and interface D; High temperature storage has Heating medium B and heating agent outlet B, and its inside also has a strengthening turbulent flow coil pipe passed through for heating agent; Middle temperature volume utensil has Heating medium C and heating agent outlet C, and its inside also has a spiral heat exchanger passed through for heating agent; Economizer has Heating medium D and heating agent outlet D, and Heating medium E and heating agent outlet E; Finned heat exchanger has Heating medium F and heating agent outlet F, and finned heat exchanger also has a blower fan; Vapour liquid separator has Heating medium G and heating agent outlet G; Heating agent outlet A is connected with interface A by pipeline A, interface B is connected with Heating medium B by pipeline B, heating agent outlet B is connected with Heating medium C by pipeline C, heating agent outlet C is connected with Heating medium D by pipeline D, heating agent outlet D connects two branch roads, article one, be connected with Heating medium E by pipeline E, another is connected with Heating medium F by pipeline F, and E is by pipeline G and Heating medium A in heating agent outlet
2be connected, heating agent outlet F is connected with interface D by pipeline H, and interface C is connected with Heating medium G by pipeline I, and G is by pipeline J and Heating medium A in heating agent outlet
1be connected.
Further, be connected with magnetic valve A between the Heating medium B of described high temperature storage and heating agent outlet B, short circuit can be formed to high temperature storage.
Further, described economizer is other is provided with a branch road, and branch road is provided with liquid-filling valve, can form short circuit to economizer, directly gets back to compressor Heating medium A
2.
Further, described pipeline E is provided with a tonifying Qi choke valve.
Further, described pipeline F is provided with a heating power expansion valve.
The utility model has the advantage of:
(1) the utility model can environmentally temperature be different, adopts two kinds of mode of heatings, is respectively single heating mode and the unlimited heating mode of Inner eycle, ensure that a heated type unit can reliably run efficiently under high low ambient temperature.
(2) cross valve switches and can carry out defrosting work by source pump of the present utility model, the water yield arrived in heat storage water tank can not reduce, effectively avoid present heating type heat pump hot water employing to be switched to constant temperature mode to defrost, thus improve from the longer shortcoming of the process reaching stable state when once heating and constant temperature mutually switches, product running status more stability and high efficiency.
(3) condenser of the present utility model adopts high temperature storage and middle temperature volume device two kinds of heat exchanger serial parallel conversion forms, thus discharge when regulating condensation; High gentle hot device can produce the high temperature warm water of 65 degree, meets part place high-temperature inlet water demand; Middle temperature volume device improves the condensation effect of system, also can lengthen the time that hot water is detained in this container, improves the water heating temperature of heat pump, also can improve the stability of leaving water temperature simultaneously.
(4) the utility model has used the method that Inner eycle heats, and the advantage of circulating heating type heat pump is reasonably applied to the specific demand of heated type product when low temperature, ensure that heat transfer effect, reach again the object of a heated type.
(5) the utility model adopts Three-way Thermostatic Valve and constant temperature flow control valve Coordinated Control, and leaving water temperature reaches design temperature time shorten, and leaving water temperature is more stable and accurate simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of ultralow temperature of the utility model heating type heat pump hot water.
Detailed description of the invention
As shown in Figure 1, for the schematic diagram of a kind of ultralow temperature of the utility model heating type heat pump hot water, comprise compressor 1, cross valve 2, constant temperature flow control valve 14, high temperature storage 7, middle temperature volume device 11, Three-way Thermostatic Valve 10, heat storage water tank, water pump 9, economizer 16, finned heat exchanger 19 and vapour liquid separator 3.
The refrigerant passage of constant temperature flow control valve 14, high temperature storage 7, the refrigerant passage of middle temperature volume device 11, Three-way Thermostatic Valve 10, heat storage water tank are communicated with formation water system with water pump 9 by pipeline group.
The heat medium passage of compressor 1, cross valve 2, high temperature storage 7, the heat medium passage of middle temperature volume device 11, economizer 16, finned heat exchanger 19 are communicated with formation heat pump circulating system with vapour liquid separator 3 by another pipeline group.
The concrete structure of water system is: high temperature storage 7 has refrigerant import A
1, refrigerant import A
2with refrigerant exit A, middle temperature volume device 11 has refrigerant import B, refrigerant exit B
1with refrigerant exit B
2, Three-way Thermostatic Valve 10 has import A, import B and outlet C, and water pump 9 has refrigerant import C and refrigerant exit C; Constant temperature flow control valve 14 is located on water pipe A, and water pipe A is divided into three branch roads and water pipe A
3, water pipe A
1, water pipe A
2be connected in refrigerant import A respectively
1with refrigerant import B, water pipe A
1be provided with a magnetic valve B5, water pipe A3 is provided with a magnetic valve C13, and refrigerant exit A is connected with import A by water pipe B, water pipe A
3communicate with water pipe B, refrigerant exit B
1be connected with import B by water pipe C, hot water is delivered to heat storage water tank by water pipe D, refrigerant exit B by outlet C
2be connected with refrigerant import C by water pipe E, refrigerant exit C is by water pipe F and refrigerant import A
2be connected, water pipe F is provided with a check valve 8, can prevent the water in high temperature storage 7 from refluxing.
The concrete structure of heat pump circulating system is: compressor 1 has Heating medium A
1, Heating medium A
2with heating agent outlet A; Cross valve 2 has interface A, interface B, interface C and interface D; High temperature storage 7 has Heating medium B and heating agent outlet B, and its inside also has a strengthening turbulent flow coil pipe 6 passed through for heating agent; Middle temperature volume device 11 has Heating medium C and heating agent outlet C, and its inside also has a spiral heat exchanger 12 passed through for heating agent; Economizer 16 has Heating medium D and heating agent outlet D, and Heating medium E and heating agent outlet E; Finned heat exchanger 19 has Heating medium F and heating agent outlet F, and finned heat exchanger 19 also has a blower fan 20, accelerates heat exchange; Vapour liquid separator 3 has Heating medium G and heating agent outlet G.
Heating agent outlet A is connected with interface A by pipeline A, interface B is connected with Heating medium B by pipeline B, heating agent outlet B is connected with Heating medium C by pipeline C, heating agent outlet C is connected with Heating medium D by pipeline D, heating agent outlet D connects two branch roads, article one, be connected with Heating medium E by pipeline E, another is connected with Heating medium F by pipeline F, and E is by pipeline G and Heating medium A in heating agent outlet
2be connected, heating agent outlet F is connected with interface D by pipeline H, and interface C is connected with Heating medium G by pipeline I, and G is by pipeline J and Heating medium A in heating agent outlet
1be connected.
Be connected with magnetic valve A4 between the Heating medium B of high temperature storage 7 and heating agent outlet B, short circuit can be formed to high temperature storage 7.Economizer 16 is other is provided with a branch road, and branch road is provided with liquid-filling valve 15, can form short circuit to economizer 16, makes cold-producing medium directly get back to compressor 1 Heating medium A
2, opening liquid-filling valve 15 can inject liquid refrigerant, cools to gaseous refrigerant.Pipeline E is provided with a tonifying Qi choke valve 17, cold-producing medium is sent back to economizer 16, goes back to the second vapor injection chamber of compressor 1 after absorbing heat vaporization.Pipeline F is provided with heating power expansion valve 18.
During work, hot water machine is divided into two circulatory systems to carry out work.In heat pump circulating system, the high-temperature high-pressure gas refrigerant that compressor 1 is discharged is by entering the strengthening turbulent flow coil pipe 6 in high temperature storage 7 after cross valve 2, to the sensible heat of high temperature storage 7 refrigerant release, thus in high temperature storage 7, produce the high-temperature hot water of 75 DEG C, spiral heat exchanger 12 during cold-producing medium after release sensible heat arrives in warm volume device 11 discharges latent heat, coolant-temperature gage in middle temperature volume device 11 is produced dynamic design temperature, therefrom warm volume device 11 medium temperature and medium pressure liquid refrigerant arrival economizer 16 out carried out cold, cross cold after liquid refrigerant be divided into two-way, one tunnel arrives heating power expansion valve 18 and carries out reducing pressure by regulating flow, another road is to tonifying Qi choke valve 17.When environment temperature is higher than 20 DEG C, close tonifying Qi choke valve 17, to prevent the excessive generation overload of compressor 1 inspiratory capacity.Through the arrival finned heat exchanger 19 of heating power expansion valve 18, absorb heat from air after, become gaseous refrigerant, then by returning compressor 1 after cross valve 2 to vapour liquid separator 3.And get back to economizer 16 by the cold-producing medium of tonifying Qi choke valve 17, go back to the second vapor injection chamber of compressor 1 after absorbing heat vaporization.When the temperature of the surroundings is low, may frost be there is, only need switch cross valve 2 interface, high temperature refrigerant be delivered to finned heat exchanger 19 place, can defrosting work be carried out.
When delivery temperature is more than 110 DEG C, liquid-filling valve 15 is opened, and carries out fluid injection to the gas refrigerant going out finned heat exchanger 19, thus reduces delivery temperature, when delivery temperature is lower than 100 DEG C, closes liquid-filling valve 15.When the water temperature in high temperature storage 7 reaches 80 DEG C, open the magnetic valve A4 that high temperature storage 7 is other, unit does not need to heat high temperature storage 7, when temperature is lower than 75 DEG C, then shut electromagnetic valve A4.
In water system, work as T
environmentduring > 7 DEG C, unit performs parallel single heating mode, T
environmentwhen≤7 DEG C, start the unlimited heating mode of Inner eycle.
In parallel single heating mode, when the water level decreasing of heat storage water tank reaches the condition needing moisturizing, constant temperature flow control valve 14 is opened to predetermined initial opening, magnetic valve B5 opens, magnetic valve C13 closes, and source pump is started shooting, and exports the temperature of C by detecting Three-way Thermostatic Valve 10, regulating thermostatic flow control valve 14 discharge, the temperature controlling outlet C is design temperature ± 3 DEG C; Now keeping constant temperature flow control valve 14 aperture, by finely tuning the inflow of Three-way Thermostatic Valve 10 import A or import B, thus ensureing that the outlet C temperature of Three-way Thermostatic Valve 10 reaches design temperature ± 3 DEG C.In realizing under this pattern, the parallel connection of high temperature double-heat exchanger is once heated, and high/low temperature water outlet is regulated automatically by triplet constant temperature control valve 10, good effect of heat exchange, effluent temperature constancy, and water yield is large.
In the unlimited heating mode of Inner eycle, when the water level decreasing of heat storage water tank reaches the condition needing moisturizing, constant temperature flow control valve 14 is opened to predetermined initial opening, magnetic valve C13 opens, and high temperature storage 7 and middle temperature volume device 11 form cascade, and magnetic valve B5 closes, water pump 9 is opened, discharge is 3 times of a specified hourly output of heated type, and source pump is started shooting, and detects the temperature that Three-way Thermostatic Valve 10 exports C; Now Three-way Thermostatic Valve 10B-C pathway closure, A-C passage is pass-through state, when high temperature storage 7 outlet temperature reaches design temperature ± 1 DEG C, opens constant temperature flow control valve 14, regulates flow of inlet water, and the temperature controlling outlet C is design temperature ± 1 DEG C.In realizing under this pattern, high temperature double-heat exchanger overlapped in series formula once heats, at low ambient temperatures, enter high temperature storage 7 and middle temperature volume device 11 li of discharges because adopt water pump to force Inner eycle, therefore circulating water flow improves more than 5 times than a conventional heated type product water flow, the heat-exchanging water traffic requirement and the stability that meet heat exchanger are guaranteed, and heating capacity and the coefficient of performance also have the raising of more than 15%.
More than show and describe general principle of the present utility model and principal character.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. ultralow temperature heating type heat pump hot water, is characterized in that: comprise compressor, cross valve, constant temperature flow control valve, high temperature storage, middle temperature volume device, Three-way Thermostatic Valve, heat storage water tank, water pump, economizer, finned heat exchanger and vapour liquid separator;
The refrigerant passage of described constant temperature flow control valve, high temperature storage, the refrigerant passage of middle temperature volume device, Three-way Thermostatic Valve, heat storage water tank are communicated with formation water system with water pump by pipeline group;
The heat medium passage of described compressor, cross valve, high temperature storage, the heat medium passage of middle temperature volume device, economizer, finned heat exchanger are communicated with formation heat pump circulating system with vapour liquid separator by another pipeline group.
2. a kind of ultralow temperature according to claim 1 heating type heat pump hot water, is characterized in that: the concrete structure of described water system is: high temperature storage has refrigerant import A
1, refrigerant import A
2with refrigerant exit A, middle temperature volume utensil has refrigerant import B, refrigerant exit B
1with refrigerant exit B
2, Three-way Thermostatic Valve has import A, import B and outlet C, and water pump has refrigerant import C and refrigerant exit C; Constant temperature flow control valve is located on water pipe A, and water pipe A is divided into two branch road water pipe A
1with water pipe A
2, be connected in refrigerant import A respectively
1be connected with import A by water pipe B with refrigerant import B, refrigerant exit A, refrigerant exit B
1be connected with import B by water pipe C, hot water is delivered to heat storage water tank by pipeline D, refrigerant exit B by outlet C
2be connected with refrigerant import C by water pipe E, refrigerant exit C is by water pipe F and refrigerant import A
2be connected.
3. a kind of ultralow temperature according to claim 2 heating type heat pump hot water, is characterized in that: described water pipe A
1be provided with a magnetic valve B.
4. a kind of ultralow temperature according to claim 2 heating type heat pump hot water, is characterized in that: described water pipe A also has another branch road water pipe A
3communicate with water pipe B, water pipe A
3be provided with a magnetic valve C.
5. a kind of ultralow temperature according to claim 2 heating type heat pump hot water, is characterized in that: described water pipe F is provided with a check valve.
6. a kind of ultralow temperature according to claim 1 heating type heat pump hot water, is characterized in that: the concrete structure of described heat pump circulating system is: compressor has Heating medium A
1, Heating medium A
2with heating agent outlet A; Cross valve has interface A, interface B, interface C and interface D; High temperature storage has Heating medium B and heating agent outlet B, and its inside also has a strengthening turbulent flow coil pipe passed through for heating agent; Middle temperature volume utensil has Heating medium C and heating agent outlet C, and its inside also has a spiral heat exchanger passed through for heating agent; Economizer has Heating medium D and heating agent outlet D, and Heating medium E and heating agent outlet E; Finned heat exchanger has Heating medium F and heating agent outlet F, and finned heat exchanger also has a blower fan; Vapour liquid separator has Heating medium G and heating agent outlet G; Heating agent outlet A is connected with interface A by pipeline A, interface B is connected with Heating medium B by pipeline B, heating agent outlet B is connected with Heating medium C by pipeline C, heating agent outlet C is connected with Heating medium D by pipeline D, heating agent outlet D connects two branch roads, article one, be connected with Heating medium E by pipeline E, another is connected with Heating medium F by pipeline F, and E is by pipeline G and Heating medium A in heating agent outlet
2be connected, heating agent outlet F is connected with interface D by pipeline H, and interface C is connected with Heating medium G by pipeline I, and G is by pipeline J and Heating medium A in heating agent outlet
1be connected.
7. a kind of ultralow temperature according to claim 6 heating type heat pump hot water, is characterized in that: be connected with magnetic valve A between the Heating medium B of described high temperature storage and heating agent outlet B, can form short circuit to high temperature storage.
8. a kind of ultralow temperature according to claim 6 heating type heat pump hot water, is characterized in that: described economizer is other is provided with a branch road, and branch road is provided with liquid-filling valve, can form short circuit to economizer, directly gets back to compressor Heating medium A
2.
9. a kind of ultralow temperature according to claim 6 heating type heat pump hot water, is characterized in that: described pipeline E is provided with a tonifying Qi choke valve.
10. a kind of ultralow temperature according to claim 6 heating type heat pump hot water, is characterized in that: described pipeline F is provided with a heating power expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653142.8U CN205002379U (en) | 2015-08-27 | 2015-08-27 | Ultra -low temperature single heat formula heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653142.8U CN205002379U (en) | 2015-08-27 | 2015-08-27 | Ultra -low temperature single heat formula heat pump water heater |
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| Publication Number | Publication Date |
|---|---|
| CN205002379U true CN205002379U (en) | 2016-01-27 |
Family
ID=55159264
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520653142.8U Active CN205002379U (en) | 2015-08-27 | 2015-08-27 | Ultra -low temperature single heat formula heat pump water heater |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042855A (en) * | 2015-08-27 | 2015-11-11 | 江苏天舒电器有限公司 | Ultra-low-temperature direct-heating heat pump water heater |
-
2015
- 2015-08-27 CN CN201520653142.8U patent/CN205002379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042855A (en) * | 2015-08-27 | 2015-11-11 | 江苏天舒电器有限公司 | Ultra-low-temperature direct-heating heat pump water heater |
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