CN204301350U - A kind of heat pump - Google Patents
A kind of heat pump Download PDFInfo
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- CN204301350U CN204301350U CN201420685308.XU CN201420685308U CN204301350U CN 204301350 U CN204301350 U CN 204301350U CN 201420685308 U CN201420685308 U CN 201420685308U CN 204301350 U CN204301350 U CN 204301350U
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Abstract
The utility model discloses a kind of heat pump, it comprises compressor, the first cross valve, the second cross valve, the first condenser, the second condenser, throttling arrangement and evaporimeter; Wherein the first condenser is connected between compressor and the first cross valve, and heat pump of the present utility model can carry out free switching under low-temperature heating pattern, high temperature heating mode and defrosting mode.A kind of heat pump of the present utility model, has that heating efficiency is high, fluctuating temperature scope is little, the advantage such as available protecting compressor and cross valve.
Description
Technical field
The utility model relates to a kind of heat pump.
Background technology
Mainly there is the defect of following several respects in the heat pump of prior art:
One, when the water temperature of storage tank is higher than 43 DEG C, the refrigerant system carrying out heat absorption and release circulation due to ambient temperature higher, condenser is made to be difficult to carry out heat release, thus cause the pressure of refrigerant system higher, make cold-producing medium be difficult to effectively carry out heat absorption and release circulation, thus the heating capacity of refrigerant system is declined;
Two, when carrying out supplementary running water to storage tank, because the water temperature difference in running water and storage tank is comparatively large, thus easily cause that the water temperature in storage tank is uneven and temperature fluctuation is large;
Three, when carrying out defrost to heat pump, the hot water heated can be freezed in storage tank, thus reduce heating efficiency;
Four, when temperature deviation appears in the sensor of storage tank, delivery temperature is often higher than normal value, and the long excessive discharge temperature of compressor, can cause damage to compressor and cross valve.
Summary of the invention
The utility model is intended to solve above-mentioned mentioned technical problem, provides that a kind of heating efficiency is high, fluctuating temperature scope is little, the heat pump of available protecting compressor and cross valve.
For realizing above-mentioned object, the utility model is realized by following technical scheme:
A kind of heat pump, comprises compressor, the first cross valve, the second cross valve, the first condenser, the second condenser, throttling arrangement and evaporimeter;
Described compressor has high-pressure exhaust and low pressure air suction mouth;
Described first cross valve has A connector, B connector, C connector and D connector;
Described second cross valve has E connector, F connector, G connector and H connector;
Described throttling arrangement has I connector and J connector, and wherein, J connector is connected with H connector, and the path that J connector is connected with H connector is provided with the first check valve;
The two ends of described evaporimeter are connected with D connector and I connector respectively;
Two connected entrances of described first condenser are connected with high-pressure exhaust and A connector respectively;
Two connected entrances of described second condenser are connected with J connector with F connector respectively, wherein, the path that the second condenser and J connector connect and compose are provided with the first magnetic valve;
B connector is connected with E connector, and C connector is all connected with low pressure air suction mouth with G connector.
Preferably, also comprise middle reservoir and high-temperature water tank, the water of middle reservoir is by the first circulating water loop and the second condenser heat exchange, and the water in high-temperature water tank is by the second circulating water loop and the first condenser heat exchange.
Preferably, described first circulating water loop, the second circulating water loop are provided with the first filter, the first water pump, the second check valve and water liquid switch.
Preferably, the water inlet of described second condenser is also connected with the first moisturizing branch road, and the first moisturizing branch road is connected with outside running water system, and the first moisturizing branch road is provided with the second magnetic valve; Also be connected with the second moisturizing branch road between the water inlet of described first condenser and middle reservoir, the second moisturizing branch road be provided with the second filter, the second water pump and the 3rd magnetic valve.
Preferably, the J connector of described throttling arrangement is also connected with the first three-way connection, three connected entrances of the first three-way connection are connected with described first check valve, described first magnetic valve and J connector respectively; The path that first three-way connection and J connector are configured to also is provided with fluid reservoir, between fluid reservoir and throttling arrangement, between evaporimeter and throttling arrangement, is all in series with the 3rd filter.
Preferably, described low pressure air suction mouth is also connected with the second three-way connection, three connected entrances of the second three-way connection are connected with C connector, G connector and low pressure air suction mouth respectively; The path that second three-way connection becomes with low pressure air suction outlet structure is also provided with gas-liquid separator.
Preferably, the path that described high-pressure exhaust and the first condenser connect and compose is provided with damping tube.
Preferably, also comprise high-low pressure thermometer, high-low pressure thermometer is connected with high-pressure exhaust, low pressure air suction mouth respectively.
Beneficial effect is: heat pump of the present utility model, by the first condenser is serially connected between the high-pressure exhaust of compressor and the first cross valve, the high temperature refrigerant that compressor is discharged after releasing partial heat through the first condenser again by the first cross valve, make to be decreased by the refrigerant temperature of the first condenser, thus prevent the temperature of cold-producing medium to exceed the highest bearing temperature of the sealing slide block of the first cross valve, avoid the fusing of sealing slide block or distortion, thus extend the service life of the first cross valve; By arranging the second condenser and the second cross valve, heat pump can not be freezed to the water in high-temperature water tank in defrost mode, preventing the water to being heated to high temperature from cooling, effectively improve the efficiency of heating surface of heat pump; By arranging the first condenser, the second condenser, high-temperature water tank and middle reservoir, the water in high-temperature water tank can be made to reach 43 DEG C after, the system pressure of cold-producing medium is effectively made to reduce, thus improve the heat exchanger effectiveness of cold-producing medium, and promote heat pump heat efficiency, in addition, due to the second condenser can be beneficial to, normal-temperature water is preheated, thus prevent the water filled in high-temperature water tank from occurring the situation of excessive temperature differentials.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of heat pump of the present utility model;
Fig. 2 is the refrigerant-cycle systems schematic diagram in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Heat pump 1 as Figure 1-Figure 2, comprises compressor 2, first cross valve 41, second cross valve 42, first condenser 31, second condenser 32, throttling arrangement 5 and evaporimeter 6.Cold-producing medium circulates between compressor 2, first cross valve 41, second cross valve 42, first condenser 31, second condenser 32, throttling arrangement 5, evaporimeter 6, connected by pipeline between above-mentioned each parts, preferably adopt copper pipe, the annexation between above-mentioned each parts will be introduced in detail below.
Compressor 2 has high-pressure exhaust 22 and low pressure air suction mouth 21, and cold-producing medium is entering compressor 2 from low pressure air suction mouth 21, and discharges from high-pressure exhaust 22 after compressor 2 compresses.
First cross valve 41 is common two-position four-way solenoid valve, and it has A connector 411, B connector 412, C connector 413 and D connector 414.
Second cross valve 42 is common two-position four-way solenoid valve, and it has E connector 421, F connector 422, G connector 423 and H connector 424.
Throttling arrangement 5 has I connector 51 and J connector 52, J connector 52 is connected with H connector 424, wherein, the path that J connector 52 is connected with H connector 424 is provided with and only allows cold-producing medium to flow to the first check valve 71 of J connector 52 from H connector 424.
The two ends of evaporimeter 6 are connected with D connector 414 and I connector 51 respectively, thus evaporimeter 6 are formed with throttling arrangement 5 connect.
Two connected entrances of the first condenser 31 are connected with high-pressure exhaust 22 and A connector 411 respectively.
Two connected entrances of the second condenser 32 are connected with J connector 52 with F connector 422 respectively, wherein, the path that the second condenser 32 and J connector 52 connect and compose are provided with the first magnetic valve 81.Namely, the second condenser 32 is connected with the first magnetic valve 81, and the second condenser 32 is in parallel with the first check valve 71.
B connector 412 is connected with E connector, and C connector 413 is all connected with low pressure air suction mouth 21 with G connector 423.
Preferably, also comprise middle reservoir 34 and high-temperature water tank 33, the water of middle reservoir 34 is by the first circulating water loop 35 and the second condenser 32 heat exchange, and the water in high-temperature water tank 33 is by the second circulating water loop 36 and the first condenser 31 heat exchange.
Preferably, the flow direction all along water on the first circulating water loop 35, second circulating water loop 36 is disposed with the first filter 74, first water pump 73, second check valve 72 and water liquid switch 70.First circulating water loop 35 is for carrying out heat exchange by the water in middle reservoir 34 and the second condenser 32, and the second circulating water loop 36 is for carrying out heat exchange by the water in high-temperature water tank 33 and the first condenser 31.
Preferably, the water inlet of the second condenser 32 is also connected with the first moisturizing branch road 37, first moisturizing branch road 37 and is connected with outside running water system 80, the first moisturizing branch road 37 is provided with the second magnetic valve 82.First moisturizing branch road 37 is for being added in middle reservoir 34 by the water in outside running water system 80, and the second magnetic valve 82 enters the first circulating water loop 35 for controlling outside running water.Also be connected with between the water inlet of the first condenser 31 and middle reservoir 34 on second moisturizing branch road 38, second moisturizing branch road 38 and be provided with the second filter 85, second water pump 84 and the 3rd magnetic valve 83.Second moisturizing branch road 38 is for being added in high-temperature water tank 33 by the water in middle reservoir 34, and the 3rd magnetic valve 83 enters in high-temperature water tank 33 for the water in reservoir 34 in controlling.
Preferably, for ease of the first check valve 71 and the first magnetic valve 81 are connected on the J connector 52 of throttling arrangement 5 simultaneously, the J connector 52 of throttling arrangement 5 is also connected with the first three-way connection, and three connected entrances of the first three-way connection are connected with the first check valve 71, first magnetic valve 81 and J connector 52 respectively; The path that first three-way connection and J connector 52 are configured to also is provided with fluid reservoir 91, between fluid reservoir 91 and throttling arrangement 5, between evaporimeter 6 and throttling arrangement 5, is all in series with the 3rd filter 93.Fluid reservoir 91 enters into throttling arrangement 5 for preventing the cold-producing medium of liquid state, avoids causing " shwoot " phenomenon.
Preferably, for ease of C connector 413, G connector 423 are connected on low pressure air suction mouth 21 simultaneously, low pressure air suction mouth 21 is also connected with the second three-way connection, and three connected entrances of the second three-way connection are connected with C connector 413, G connector 423 and low pressure air suction mouth 21 respectively; The path that second three-way connection and low pressure air suction mouth 21 are configured to also is provided with gas-liquid separator 92.Arranging gas-liquid separator 92 can prevent liquid cold-producing medium from entering in the compression chamber of compressor 2, avoids occurring " liquid hammer " phenomenon.
Preferably, the path that high-pressure exhaust 22 and the first condenser 31 connect and compose is provided with damping tube 95.
Preferably, also comprise high-low pressure thermometer, high-low pressure thermometer 94 is connected with high-pressure exhaust 22, low pressure air suction mouth 21 respectively.
The control method of heat pump 1, applies heat pump 1 as described above, can switch under low-temperature heating pattern, high temperature heating mode and defrosting mode.
When starting low-temperature heating pattern, operate the first cross valve 41, make that A connector 411 is connected with B connector 412, C connector 413 is connected with D connector 414; The E connector 421 operating the second cross valve 42 is connected with H connector 424, F connector 422 is connected with G connector 423; Close the first magnetic valve 81;
When starting high temperature heating mode, operate the first cross valve 41, make that A connector 411 is connected with B connector 412, C connector 413 is connected with D connector 414; The E connector 421 operating the second cross valve 42 is connected with F connector 422, G connector 423 is connected with H connector 424; Open the first magnetic valve 81;
When starting defrosting mode, operate the first cross valve 41, make that A connector 411 is connected with D connector 414, B connector 412 is connected with C connector 413; The E connector 421 operating the second cross valve 42 is connected with H connector 424, F connector 422 is connected with G connector 423; Open the first magnetic valve 81.
When the water temperature in high-temperature water tank 33 is lower than 43 DEG C, enable low-temperature heating pattern; When the water temperature in high-temperature water tank 33 is higher than 43 DEG C, high temperature heating mode can be enabled; When environment temperature discontinuity can enable defrosting mode lower than when-5 DEG C.
Above embodiment is only not limited in order to the technical solution of the utility model to be described, all do not depart from the utility model spirit and scope any amendment or equivalently to replace, it all should be encompassed in the scope of technical solutions of the utility model.
Claims (8)
1. a heat pump, is characterized in that: comprise compressor (2), the first cross valve (41), the second cross valve (42), the first condenser (31), the second condenser (32), throttling arrangement (5) and evaporimeter (6);
Described compressor (2) has high-pressure exhaust (22) and low pressure air suction mouth (21);
Described first cross valve (41) has A connector (411), B connector (412), C connector (413) and D connector (414);
Described second cross valve (42) has E connector (421), F connector (422), G connector (423) and H connector (424);
Described throttling arrangement (5) has I connector (51) and J connector (52), and wherein, J connector (52) is connected with H connector (424), and the path that J connector (52) is connected with H connector (424) is provided with the first check valve (71);
The two ends of described evaporimeter (6) are connected with D connector (414) and I connector (51) respectively;
Two connected entrances of described first condenser (31) are connected with high-pressure exhaust (22) and A connector (411) respectively;
Two connected entrances of described second condenser (32) are connected with J connector (52) with F connector (422) respectively, wherein, the path that the second condenser (32) and J connector (52) connect and compose are provided with the first magnetic valve (81);
B connector (412) is connected with E connector, and C connector (413) is all connected with low pressure air suction mouth (21) with G connector (423).
2. a kind of heat pump as claimed in claim 1, it is characterized in that: also comprise middle reservoir (34) and high-temperature water tank (33), the water of middle reservoir (34) is by the first circulating water loop (35) and the second condenser (32) heat exchange, and the water in high-temperature water tank (33) is by the second circulating water loop (36) and the first condenser (31) heat exchange.
3. a kind of heat pump as claimed in claim 2, is characterized in that: described first circulating water loop (35), the second circulating water loop (36) are provided with the first filter (74), the first water pump (73), the second check valve (72) and water liquid switch (70).
4. a kind of heat pump as claimed in claim 2, it is characterized in that: the water inlet of described second condenser (32) is also connected with the first moisturizing branch road (37), first moisturizing branch road (37) is connected with outside running water system (80), and the first moisturizing branch road (37) is provided with the second magnetic valve (82); Also be connected with the second moisturizing branch road (38) between the water inlet of described first condenser (31) and middle reservoir (34), the second moisturizing branch road (38) be provided with the second filter (85), the second water pump (84) and the 3rd magnetic valve (83).
5. a kind of heat pump as claimed in claim 1, it is characterized in that: the J connector (52) of described throttling arrangement (5) is also connected with the first three-way connection, three connected entrances of the first three-way connection are connected with described first check valve (71), described first magnetic valve (81) and J connector (52) respectively; The path that first three-way connection and J connector (52) are configured to also is provided with fluid reservoir (91), between fluid reservoir (91) and throttling arrangement (5), between evaporimeter (6) and throttling arrangement (5), is all in series with the 3rd filter (93).
6. a kind of heat pump as claimed in claim 1, it is characterized in that: described low pressure air suction mouth (21) is also connected with the second three-way connection, three connected entrances of the second three-way connection are connected with C connector (413), G connector (423) and low pressure air suction mouth (21) respectively; The path that second three-way connection and low pressure air suction mouth (21) are configured to also is provided with gas-liquid separator (92).
7. a kind of heat pump as claimed in claim 1, is characterized in that: the path that described high-pressure exhaust (22) and the first condenser (31) connect and compose is provided with damping tube (95).
8. a kind of heat pump as claimed in claim 1, is characterized in that: also comprise high-low pressure thermometer (94), and high-low pressure thermometer (94) is connected with high-pressure exhaust (22), low pressure air suction mouth (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685308.XU CN204301350U (en) | 2014-11-13 | 2014-11-13 | A kind of heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420685308.XU CN204301350U (en) | 2014-11-13 | 2014-11-13 | A kind of heat pump |
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| Publication Number | Publication Date |
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| CN204301350U true CN204301350U (en) | 2015-04-29 |
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| CN201420685308.XU Active CN204301350U (en) | 2014-11-13 | 2014-11-13 | A kind of heat pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390385A (en) * | 2014-11-13 | 2015-03-04 | 江门市凯立信电气科技有限公司 | Heat pump system and control method thereof |
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- 2014-11-13 CN CN201420685308.XU patent/CN204301350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390385A (en) * | 2014-11-13 | 2015-03-04 | 江门市凯立信电气科技有限公司 | Heat pump system and control method thereof |
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