CN202361718U - Air source heat pump hot-water system with regenerative liquid removing device - Google Patents
Air source heat pump hot-water system with regenerative liquid removing device Download PDFInfo
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- CN202361718U CN202361718U CN2011205162362U CN201120516236U CN202361718U CN 202361718 U CN202361718 U CN 202361718U CN 2011205162362 U CN2011205162362 U CN 2011205162362U CN 201120516236 U CN201120516236 U CN 201120516236U CN 202361718 U CN202361718 U CN 202361718U
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- removing device
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- liquid removing
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Abstract
An air source heat pump hot-water system with a regenerative liquid removing device comprises a compressor, a four-way reversing valve, a condenser, a throttling valve and an air heat exchanger with a fan which are sequentially connected to form a refrigerant loop through a pipeline. The regenerative liquid removing device is further arranged on a connecting pipeline positioned between a return air pipe of the compressor and the four-way reversing valve, a return air inlet and a return air outlet of the regenerative liquid removing device are communicated with the four-way reversing valve and the return air pipe of the compressor respectively, a second hydraulic circuit electromagnetic valve is serially connected on a connecting pipe positioned between the condenser and the throttling valve, two pipelines are additionally arranged at two ends of the second hydraulic circuit electromagnetic valve and communicated with two ends of a heat exchange liquid pipe in the regenerative liquid removing device respectively, and a first hydraulic circuit electromagnetic valve is serially connected on one pipeline close to the condenser. By the aid of the regenerative liquid removing device, the problems of lubrication of the compressor and even damage of the compressor due to liquid impact are effectively prevented, and safe and reliable operation of the compressor in various environments particularly in winter is greatly ensured.
Description
Technical field
The utility model relates to the air source heat pump hot-water heating system, relates in particular to the air source heat pump hot-water heating system of particularly using winter a kind of whole year of taking back hot liquid removing device.
Background technology
The air source heat pump hot water facility with air as several times of thermal source output heats to the domestic hot-water of input power, be a kind of wetting system that heats of high-efficiency cleaning.
Be the concentrated season that hot water uses winter; And the air source heat pump system in winter is because the reduction of environment temperature; The evaporation and heat-exchange temperature of its intrasystem refrigeration working medium also decreases; The reduction of evaporating temperature makes the heat exchange property of air heat exchanger decline to a great extent, and is very easy to occur the situation that system's refrigerant evaporation is incomplete and get back to compressor.Return the appearance of liquid, not only diluted the concentration of refrigeration oil in the machine, make the cooling and lubricating of compressor go wrong, even liquid compression occurs, thereby damage compressor.
Therefore, solving the problem that air source heat pump returns liquid winter, is the important topic that effectively guarantees compressor safe and reliable operation in winter.
Summary of the invention
The technical problem that the utility model will solve provides a kind of air source heat pump hot-water heating system of taking back hot liquid removing device; Utilize this backheat to remove liquid device; Can evaporate the liquid part in the band liquid cold-producing medium rapidly; Effectively prevent the phenomenon that compressor lubrication problem occurs even damages because of liquid hammer, guarantee the safe and reliable operation of compressor greatly.
In order to solve the problems of the technologies described above, the utility model is taked following technical scheme:
A kind of air source heat pump hot-water heating system of taking back hot liquid removing device; Comprise with pipeline and be in turn connected to form compressor, four-way change-over valve, condenser, the choke valve of refrigerant loop, the air heat exchanger of band blower fan; One of them interface of said four-way change-over valve is connected with compressor exhaust pipe; Other three interfaces are connected with condenser, air heat exchanger, compressor return air pipe respectively; Connecting line between said compressor return air pipe and the four-way change-over valve is provided with the backheat liquid removing device, and the return air inlet of this backheat liquid removing device is connected with four-way change-over valve and compressor return air pipe respectively with the return-air outlet;
Be serially connected with the second liquid way solenoid valve on the connecting line between said condenser and the choke valve; The two ends of this second liquid way solenoid valve be provided with in addition 2 pipelines respectively with the backheat liquid removing device in heat exchange liquid pipe two ends be connected, and wherein be serially connected with the first liquid way solenoid valve on 1 pipeline near condenser.
Said backheat liquid removing device comprises tubular container shell that top and bottom all sealed, be arranged in the shell of tank and the top coaxial welding tubular vortex ring flat-plate together of an end and shell of tank; Said heat exchange liquid pipe shape in the shape of a spiral is arranged between shell of tank and the eddy flow ring flat-plate; Said return air inlet tangentially is arranged on the wall of shell of tank, and said return-air outlet is stretched in the shell of tank along its center line from the top of shell of tank.
The said first liquid way solenoid valve and the second liquid way solenoid valve are electrically connected with controller.
Said controller is electrically connected with temperature sensor.
Said controller is single-chip microcomputer or PLC controller.
The utility model uses backheat to remove liquid device; Utilize the heat exchange between high-temperature liquid state cold-producing medium and the low temperate zone liquid cold-producing medium; Evaporate the liquid part in the liquid cold-producing medium of low temperate zone rapidly and produce certain degree of superheat; Effectively prevent the phenomenon that compressor lubrication problem occurs even damages because of liquid hammer, guarantee compressor greatly under various environment, the safe and reliable operation in the time of especially in the winter time.
Description of drawings
Fig. 1 is the system architecture sketch map of the utility model;
Fig. 2 is the backheat liquid removing device structural representation of the utility model;
Fig. 3 is the schematic top plan view of Fig. 2.
Shown in the figure: the 1-compressor; The 2-four-way change-over valve; The 3-condenser; The 4-first liquid way solenoid valve; The 5-second liquid way solenoid valve; 6-backheat liquid removing device; The 61-shell of tank; 62-eddy flow ring flat-plate; 63-heat exchange liquid pipe; The 64-return air inlet; The outlet of 65-return-air; The 7-choke valve; The 8-air heat exchanger; The 9-blower fan.
The specific embodiment
For the ease of those skilled in the art's understanding, the utility model is done further to describe below in conjunction with accompanying drawing.
Shown in accompanying drawing 1-3; A kind of air source heat pump hot-water heating system of taking back hot liquid removing device; Comprise with pipeline and be in turn connected to form the compressor 1, four-way change-over valve 2, condenser 3, choke valve 7 of refrigerant loop, the air heat exchanger 8 of band blower fan 9; One of them interface of said four-way change-over valve 2 is connected with compressor 1 blast pipe; Other three interfaces are connected with condenser 3, air heat exchanger 8, compressor 1 muffler respectively; Connecting line between said compressor 1 muffler and the four-way change-over valve 2 is provided with backheat liquid removing device 6, and the return air inlet 63 of this backheat liquid removing device 6 is connected with four-way change-over valve 2 and compressor 1 muffler respectively with return-air outlet 65; Be serially connected with the second liquid way solenoid valve 5 on the connecting line between said condenser 3 and the choke valve 7; The two ends of this second liquid way solenoid valve 5 are provided with 2 pipelines in addition and are connected with backheat liquid removing device 6 interior heat exchange liquid pipe 63 two ends respectively, and wherein are serially connected with the first liquid way solenoid valve 4 on 1 pipeline near condenser 3.
Said backheat liquid removing device 6 comprises tubular container shell 61 that top and bottom all sealed, is arranged in the shell of tank 61 and the top coaxial welding tubular vortex ring flat-plate 62 together of an end and shell of tank 61; Said heat exchange liquid pipe 63 shape in the shape of a spiral is arranged between shell of tank 61 and the eddy flow ring flat-plate 62; Said return air inlet 63 tangentially is arranged on the wall of shell of tank 61, and said return-air outlet 65 is stretched in the shell of tank 61 along its center line from the top of shell of tank 61.
The said first liquid way solenoid valve (4) and the second liquid way solenoid valve (5) are electrically connected with controller; This controller can adopt single-chip microcomputer or PLC controller; And controller is connected with temperature sensor; The data that controller is gathered according to temperature sensor are controlled opening and ending the flow direction of cold-producing medium in the change system of the first liquid way solenoid valve (4) and the second liquid way solenoid valve (5).
The operation principle of present embodiment is:
When summer, outdoor temperature was higher, operational mode was:
Cold-producing medium flow process: a compressor---four-way change-over valve---condenser---the second liquid way solenoid valve---choke valve---air heat exchanger---four-way change-over valve---return air inlet---return-air outlet---compressor;
Winter, outdoor temperature was lower, and operational mode is:
Cold-producing medium flow process: a compressor---four-way change-over valve---condenser---the first liquid way solenoid valve---heat exchanging liquid pipe---choke valve---air heat exchanger---four-way change-over valve---return air inlet---return-air outlet---compressor.
The PLC controller of air source heat pump hot-water heating system according to the outdoor temperature of temperature sensor collection and design temperature automatically the adjustment first liquid way solenoid valve 4 and the second liquid way solenoid valve 5 conducting and end.Summer, outdoor temperature was higher; Controller ends the first liquid way solenoid valve 4; 5 conductings of the second liquid way solenoid valve, the high-temperature liquid state cold-producing medium that is flowed out by condenser 3 does not enter in the backheat liquid removing device 6, and 6 of backheat liquid removing devices play common gas-liquid separation effect at this moment; When outdoor temperature is lower than set temperature value; 4 conductings of the first liquid way solenoid valve; The second liquid way solenoid valve 5 ends, and system changes winter mode into from summer mode automatically, the adjustment refrigerant flow direction; The high-temperature liquid state cold-producing medium that condenser 3 flows out enters into the heat exchange liquid pipe 63 in the backheat liquid removing device 6; High-temperature liquid state cold-producing medium in this moment heat exchange liquid pipe 63 and low temperate zone liquid cold-producing medium generation heat exchange from return air inlet 64 inputs of backheat liquid removing device 6 make in the liquid cold-producing medium of low temperate zone the rapid evaporate to dryness gasification of liquid part and produce certain degree of superheat, to ensure the safe operation of compressor.
Claims (5)
1. air source heat pump hot-water heating system of taking back hot liquid removing device; Comprise with pipeline and be in turn connected to form the compressor (1), four-way change-over valve (2), condenser (3), choke valve (7) of refrigerant loop, the air heat exchanger (8) of band blower fan (9); One of them interface of said four-way change-over valve (2) is connected with compressor (1) blast pipe; Other three interfaces are connected with condenser (3), air heat exchanger (8), compressor (1) muffler respectively, it is characterized in that:
Connecting line between said compressor (1) muffler and the four-way change-over valve (2) is provided with backheat liquid removing device (6), and the return air inlet (63) of this backheat liquid removing device (6) is connected with four-way change-over valve (2) and compressor (1) muffler respectively with return-air outlet (65);
Be serially connected with the second liquid way solenoid valve (5) on the connecting line between said condenser (3) and the choke valve (7); The two ends of this second liquid way solenoid valve (5) are provided with 2 pipelines in addition and are connected with interior heat exchange liquid pipe (63) two ends of backheat liquid removing device (6) respectively, and wherein are serially connected with the first liquid way solenoid valve (4) on 1 pipeline near condenser (3).
2. the air source heat pump hot-water heating system of taking back hot liquid removing device according to claim 1; It is characterized in that: said backheat liquid removing device (6) comprises tubular container shell (61) that top and bottom all sealed, is arranged in the shell of tank (61) and the top coaxial welding tubular vortex ring flat-plate (62) together of an end and shell of tank (61); Said heat exchange liquid pipe (63) shape in the shape of a spiral is arranged between shell of tank (61) and the eddy flow ring flat-plate (62); Said return air inlet (63) tangentially is arranged on the wall of shell of tank (61), and said return-air outlet (65) is stretched in the shell of tank (61) along its center line from the top of shell of tank (61).
3. the air source heat pump hot-water heating system of taking back hot liquid removing device according to claim 2 is characterized in that: the said first liquid way solenoid valve (4) and the second liquid way solenoid valve (5) are electrically connected with controller.
4. the air source heat pump hot-water heating system of taking back hot liquid removing device according to claim 3, it is characterized in that: said controller is electrically connected with temperature sensor.
5. according to claim 3 or 4 each described air source heat pump hot-water heating systems of taking back hot liquid removing device, it is characterized in that: said controller is single-chip microcomputer or PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205162362U CN202361718U (en) | 2011-12-12 | 2011-12-12 | Air source heat pump hot-water system with regenerative liquid removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205162362U CN202361718U (en) | 2011-12-12 | 2011-12-12 | Air source heat pump hot-water system with regenerative liquid removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202361718U true CN202361718U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205162362U Expired - Fee Related CN202361718U (en) | 2011-12-12 | 2011-12-12 | Air source heat pump hot-water system with regenerative liquid removing device |
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| CN (1) | CN202361718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398515A (en) * | 2013-07-01 | 2013-11-20 | Tcl空调器(中山)有限公司 | Air conditioner system and control method thereof |
-
2011
- 2011-12-12 CN CN2011205162362U patent/CN202361718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398515A (en) * | 2013-07-01 | 2013-11-20 | Tcl空调器(中山)有限公司 | Air conditioner system and control method thereof |
| CN103398515B (en) * | 2013-07-01 | 2017-03-15 | Tcl空调器(中山)有限公司 | Air-conditioning system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |