CN203744602U - Air cooled heat pump system - Google Patents
Air cooled heat pump system Download PDFInfo
- Publication number
- CN203744602U CN203744602U CN201420072097.2U CN201420072097U CN203744602U CN 203744602 U CN203744602 U CN 203744602U CN 201420072097 U CN201420072097 U CN 201420072097U CN 203744602 U CN203744602 U CN 203744602U
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- CN
- China
- Prior art keywords
- water temperature
- compressor
- evaporimeter
- heat pump
- cooled heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 37
- 238000005057 refrigeration Methods 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 description 5
- 230000009172 bursting Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses an air cooled heat pump system. The air cooled heat pump system comprises compressors and evaporators, and further comprises at least one independent refrigerating system, wherein the independent refrigerating systems are respectively provided with one evaporator and one compressor, each evaporator is provided with a water temperature monitoring system, and the water temperature monitoring systems are in communication connection with a control system of the compressors and are used for controlling the starting and stopping of the compressors. According to the air cooled heat pump system, the water temperature of the evaporators are monitored through the water temperature monitoring systems and a corresponding control signal is sent to the control system of the compressors, and thus the starting and stopping of the compressors are controlled. Due to the fact that water temperature detection is quick and high in reliability, the evaporators can be effectively prevented from being frozen.
Description
Technical field
The utility model relates to refrigeration system, particularly relates to a kind of air-cooled heat pump unit.
Background technology
The air-conditioning refrigeration system mainly being formed by compressor, evaporimeter and some auxiliary equipment in existing air-cooled heat pump unit.
In use, due to water-feeding system or water treatment is improper is easy to cause unit water system blockage phenomenon, and then cause that unit discharge slowly reduces.If unit is refrigerating operaton under low discharge operating mode for a long time, the too low initiation evaporimeter of water side leaving water temperature ice is stifled, causes evaporimeter bursting by freezing, and water side and medium side are sneaked into mutually, finally cause compressor to burn.
The technology that prevents at present heat exchanger bursting by freezing is normally carried out anti-frost protection according to the pressure of refrigerant, and by utilizing monitoring system to carry out the monitoring of pressure, in the time that actual force value reaches the minimum pressure values that monitoring system sets, compressor cuts out; In the time that actual force value reaches the maximum pressure value that monitoring system sets, compressor is opened.
But, refrigerant has under certain pressure there being corresponding temperature, in actual use procedure, due to the kind of refrigerant and the difference of the concrete service condition of refrigeration system, can cause refrigerant under identical pressure, actual temperature does not conform to the temperature under perfect condition, determines its temperature by the pressure of monitoring refrigerant, easily there is error, and affect the normal use of refrigeration system; Also be not easy to monitoring system to set minimum pressure values and maximum pressure value, if force value arranges the too high or too low normal use that all can affect refrigeration system simultaneously.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of air-cooled heat pump unit, is convenient to monitoring, can effectively carry out anti-frost protection to evaporimeter.
The utility model provides a kind of air-cooled heat pump unit, comprise compressor and evaporimeter, described air-cooled heat pump unit comprises at least one separate refrigeration system, described separate refrigeration system is provided with described evaporimeter, and each described separate refrigeration system is provided with compressor, described evaporimeter is provided with water temperature detection system, and the control system of described water temperature detection system and described compressor can communicate to connect, and described water temperature detection system is for controlling the start and stop of described compressor.
Preferably, described water temperature detection system comprises inflow temperature monitoring system and leaving water temperature monitoring system, and described inflow temperature monitoring system and described leaving water temperature monitoring system all communicate and are connected with the control system of described compressor.
Preferably, comprise at least two described separate refrigeration systems, at least two described separate refrigeration systems are all connected with same described evaporimeter, described inflow temperature monitoring system is arranged at the water inlet manifold of described evaporimeter, and described leaving water temperature monitoring system is arranged at total outlet pipe of described evaporimeter.
Preferably, described water inlet monitoring system comprises inflow temperature sensor, and described inflow temperature sensor setting is the end near the water inlet of described evaporimeter in described water inlet manifold; Described leaving water temperature monitoring system comprises leaving water temperature sensor, and described leaving water temperature sensor setting is the end near the delivery port of described evaporimeter in described total outlet pipe.
Preferably, the gas-liquid separator that described separate refrigeration system also comprises condenser and is connected with described compressor, described compressor is connected with described condenser by cross valve, and described gas-liquid separator is connected with described evaporimeter by described cross valve.
Preferably, described separate refrigeration system also comprises throttling arrangement, and described throttling arrangement is arranged at the pipeline that described condenser is connected with described evaporimeter.
The utility model provides a kind of air-cooled heat pump unit, comprise compressor and evaporimeter, also comprise at least one separate refrigeration system, separate refrigeration system is provided with evaporimeter, and each separate refrigeration system is provided with compressor, evaporimeter is provided with water temperature detection system, and the control system of water temperature detection system and compressor can communicate to connect, and water temperature detection system is for controlling the start and stop of compressor.So, water temperature detection system has set in advance the highest water temperature, minimum water temperature and water temperature duration, water temperature detection system can be monitored the water temperature of evaporimeter and water temperature duration, in the time that the water temperature of evaporimeter reaches predefined requirement, water temperature detection system can be sent signal to the control system of compressor, the control system of compressor receives after signal, can carry out on off control to compressor according to signal.As when water temperature detection system monitoring to the water temperature of evaporimeter less than or equal to lowest set temperature, water temperature detection system can be sent signal to the control system of compressor, the control system of compressor can stop compressor operating after receiving signal; When water temperature detection system monitoring to the water temperature of evaporimeter greater than or equal to the highest design temperature, water temperature detection system can be sent signal to the control system of compressor, compressor is opened under the effect of its control system, compressor operating.Compared with prior art, by utilizing water temperature detection system the water temperature of evaporimeter is monitored and sent corresponding control signal to the control system of compressor, to control the start and stop of compressor.Due to water temperature detect agility and reliability high, can effectively carry out anti-frost protection to evaporimeter.
Brief description of the drawings
Fig. 1 provides the structural representation of air-cooled heat pump unit in a kind of detailed description of the invention for the utility model;
Wherein, in Fig. 1:
Separate refrigeration system A, separate refrigeration system B, separate refrigeration system C, separate refrigeration system D, evaporimeter 1, water inlet manifold 2, total outlet pipe 3, inflow temperature sensor 4, leaving water temperature sensor 5, compressor 6, gas-liquid separator 7, condenser 8, cross valve 9, throttling arrangement 10.
Detailed description of the invention
Core of the present utility model is to provide a kind of air-cooled heat pump unit, is convenient to monitoring, can effectively carry out anti-frost protection to evaporimeter.
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 1 provides the structural representation of air-cooled heat pump unit in a kind of detailed description of the invention for the utility model.
In this detailed description of the invention, air-cooled people's pumping system comprises four separate refrigeration systems, be respectively separate refrigeration system A, separate refrigeration system B, separate refrigeration system C and separate refrigeration system D, these four refrigeration systems are connected with same evaporimeter 1, wherein, each separate refrigeration system is provided with compressor 6, evaporimeter 1 is provided with water temperature detection system, and water temperature detection system is all connected with the control system of compressor in four separate refrigeration systems, water temperature detection system is for controlling the start and stop of compressor 6.
So, water temperature detection system has set in advance the highest water temperature, minimum water temperature and water temperature duration, water temperature detection system can be monitored the water temperature of evaporimeter 1 and water temperature duration, minimum temperature as predefined in water temperature detection system is 5 DEG C, and the duration of this temperature is 5 minutes; Maximum temperature is that the duration of 12 DEG C and this temperature is 5 minutes, in the time that the water temperature of evaporimeter 1 reaches predefined requirement, water temperature detection system can be sent signal to the control system of compressor 6, the control system of compressor 6 receives after signal, can carry out on off control to compressor 6 according to signal.As being 5 minute to the water temperature of evaporimeter 1 less than or equal to 5 DEG C and duration when water temperature detection system monitoring, water temperature detection system can be sent signal to the control system of compressor, and the control system of compressor receives and can stop compressor 6 after signal and move; When water temperature detection system monitoring is to the water temperature of evaporimeter 1 during greater than or equal to 12 DEG C, water temperature detection system can be sent signal to the control system of compressor, and compressor 6 is opened under the effect of its control system, and compressor 6 is worked.
By utilizing water temperature detection system the water temperature of evaporimeter 1 is monitored and sent corresponding control signal to the control system of compressor, to control the start and stop of compressor 6.Due to water temperature detect agility and reliability high, can effectively carry out anti-frost protection to evaporimeter 1.
It should be noted that, in this detailed description of the invention, separate refrigeration system A, separate refrigeration system B, separate refrigeration system C and separate refrigeration system D, can realize output conversion and the standby running between different compressors 6 by four separate refrigeration systems are set, be convenient to refrigeration and control.Certainly, the separate refrigeration system of other numbers also can be set according to actual Production requirement, as arrange one, two, five etc.
When water temperature detection system can be sent signal to the control system of compressor 6, when the control system of compressor 6 receives and can stop compressor 6 after signal and move, compressor 6 in separate refrigeration system A is first out of service, if water temperature is also lower than predefined minimum temperature, the compressor 6 in separate refrigeration system B is out of service, by that analogy, until closeall compressor 6; When water temperature detection system can be sent signal to the control system of compressor 6, when the control system of compressor 6 receives and can start compressor 6 after signal and move, compressor 6 in separate refrigeration system A first starts operation, if water temperature is higher than predefined maximum temperature, compressor 6 in separate refrigeration system B starts operation, by that analogy, until the compressor 6 in all separate refrigeration systems starts operation.
It should be noted that, above has been to provide a kind of control mode, certainly, does not also get rid of and adopts other control mode to control the compressor 6 in air-cooled heat pump unit.
In addition, in this detailed description of the invention, water temperature detection system comprises inflow temperature monitoring system and leaving water temperature detection system, wherein inflow temperature monitoring system and leaving water temperature detection system all communicate and are connected with the control system of compressor, and reach the temperature setting in advance when any one water temperature in inflow temperature and leaving water temperature, water temperature detection system all can be sent signal to the control system of compressor, and corresponding compressor 6 is carried out on off control.So, by inflow temperature and leaving water temperature are monitored, can further ensure the accuracy of signal monitoring.
Moreover because four separate refrigeration systems are all connected with same evaporimeter 1, therefore, inflow temperature monitoring system is arranged at the water inlet manifold 2 of evaporimeter 1, leaving water temperature is arranged at total outlet pipe 3 of evaporimeter 1.
In further scheme, inflow temperature monitoring system comprises inflow temperature sensor 4, leaving water temperature monitoring system comprises leaving water temperature sensor 5, inflow temperature sensor 4 is arranged at the end of water inlet manifold 2 near the water inlet of evaporimeter 1, and leaving water temperature sensor 5 is arranged at the end of total outlet pipe 3 near the delivery port of evaporimeter 1.So, adopt temperature sensor to measure water temperature accurately, to reduce measure error, ensure to measure the accuracy of temperature.
Hereinbefore, water temperature detection system is described in detail, will be introduced separate refrigeration system below.
In this detailed description of the invention, four separate refrigeration systems all also comprise gas-liquid separator 7, condenser 8, wherein, compressor 6 is connected with gas-liquid separator 7, and gas-liquid separator 7 is connected with evaporimeter 1 by cross valve 9 and condenser 8 is connected with compressor 6 by cross valve 9.So, can ensure that independent refrigeration system freezes or heat.Meanwhile, also comprise throttling arrangement 10, throttling arrangement 10 is arranged at the pipeline that condenser 8 is connected with evaporimeter 1.
Above a kind of air-cooled heat pump unit provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (6)
1. an air-cooled heat pump unit, comprise compressor (6) and evaporimeter (1), it is characterized in that, described air-cooled heat pump unit comprises at least one separate refrigeration system, described separate refrigeration system is provided with described evaporimeter (1), and each described separate refrigeration system is provided with compressor (6), described evaporimeter (1) is provided with water temperature detection system, the control system of described water temperature detection system and described compressor can communicate to connect, and described water temperature detection system is used for controlling the start and stop of described compressor (6).
2. air-cooled heat pump unit according to claim 1, it is characterized in that, described water temperature detection system comprises inflow temperature monitoring system and leaving water temperature monitoring system, and described inflow temperature monitoring system and described leaving water temperature monitoring system all communicate and are connected with the control system of described compressor.
3. air-cooled heat pump unit according to claim 2, it is characterized in that, comprise at least two described separate refrigeration systems, at least two described separate refrigeration systems are all connected with same described evaporimeter (1), described inflow temperature monitoring system is arranged at the water inlet manifold (2) of described evaporimeter (1), and described leaving water temperature monitoring system is arranged at total outlet pipe (3) of described evaporimeter (1).
4. air-cooled heat pump unit according to claim 3, it is characterized in that, described water inlet monitoring system comprises inflow temperature sensor (4), and described inflow temperature sensor (4) is arranged at the end of described water inlet manifold (2) near the water inlet of described evaporimeter (1); Described leaving water temperature monitoring system comprises leaving water temperature sensor (5), and described leaving water temperature sensor (5) is arranged at the end of described total outlet pipe (3) near the delivery port of described evaporimeter (1).
5. air-cooled heat pump unit according to claim 1, it is characterized in that, the gas-liquid separator (7) that described separate refrigeration system also comprises condenser (8) and is connected with described compressor (6), described compressor (6) is connected with described condenser (8) by cross valve (9), and described gas-liquid separator (7) is connected with described evaporimeter (1) by described cross valve (9).
6. air-cooled heat pump unit according to claim 5, is characterized in that, described separate refrigeration system also comprises throttling arrangement (10), and described throttling arrangement (10) is arranged at the pipeline that described condenser (8) is connected with described evaporimeter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072097.2U CN203744602U (en) | 2014-02-19 | 2014-02-19 | Air cooled heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420072097.2U CN203744602U (en) | 2014-02-19 | 2014-02-19 | Air cooled heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744602U true CN203744602U (en) | 2014-07-30 |
Family
ID=51344392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420072097.2U Expired - Fee Related CN203744602U (en) | 2014-02-19 | 2014-02-19 | Air cooled heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180455A (en) * | 2014-09-01 | 2014-12-03 | 广东志高暖通设备股份有限公司 | Air cooling heat pump unit |
| CN110410976A (en) * | 2019-07-31 | 2019-11-05 | 广东美的暖通设备有限公司 | The control method of air-cooled heat pump unit and air-cooled heat pump unit |
-
2014
- 2014-02-19 CN CN201420072097.2U patent/CN203744602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180455A (en) * | 2014-09-01 | 2014-12-03 | 广东志高暖通设备股份有限公司 | Air cooling heat pump unit |
| CN110410976A (en) * | 2019-07-31 | 2019-11-05 | 广东美的暖通设备有限公司 | The control method of air-cooled heat pump unit and air-cooled heat pump unit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |