CN210320722U - Refrigeration heat pump device of R410a refrigerant - Google Patents
Refrigeration heat pump device of R410a refrigerant Download PDFInfo
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- CN210320722U CN210320722U CN201920665786.7U CN201920665786U CN210320722U CN 210320722 U CN210320722 U CN 210320722U CN 201920665786 U CN201920665786 U CN 201920665786U CN 210320722 U CN210320722 U CN 210320722U
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 14
- 238000005057 refrigeration Methods 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- -1 inverter compressor Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a heat pump technology field especially relates to a refrigeration heat pump device of R410a refrigerant, including inverter compressor, oil separator, first plate condenser, second plate condenser, reservoir, drier-filter, sight glass, solenoid valve, mass flow meter, second plate evaporator and vapour and liquid separator. The heat pump system adopts an R410a refrigerant double-plate evaporator and a condenser, can realize independent or synchronous heat exchange, is provided with a temperature sensor, a pressure sensor, a mass flow meter and a power sensor to monitor the data of the system, and is convenient for detecting, optimizing and analyzing the cycle efficiency of the variable working condition operation of the system.
Description
Technical Field
The utility model relates to a heat pump technology field especially relates to a refrigeration heat pump device of R410a refrigerant.
Background
The heat pump technology is generally regarded as an energy-saving and environment-friendly way by the general attention of all countries in the world, and the heat pump technology is widely applied to the energy-saving technology of residences and commercial buildings due to the advantages of energy conservation, high efficiency and the like. The existing refrigeration heat pump system has single function and low utilization rate of equipment, can meet the operation requirement, but is not good at multi-working-condition operation under the change of system load, and causes huge resource waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects, and provides a refrigeration heat pump device of R410a refrigerant.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a refrigeration heat pump apparatus for R410a refrigerant, characterized in that: the system comprises a variable frequency compressor, an oil separator, a first plate type condenser, a second plate type condenser, a liquid storage device, a drying filter, a liquid viewing mirror, an electromagnetic valve, a mass flow meter, a second plate type evaporator and a gas-liquid separator; an exhaust port of the variable frequency compressor is connected with an inlet end of the oil separator, an outlet end of the oil separator is respectively connected with the first plate-type condenser and the second plate-type condenser, the first plate-type condenser and the second plate-type condenser are connected in parallel, an outlet of a main pipeline of the oil separator is connected with an inlet of the liquid storage device, an outlet pipeline of the liquid storage device is sequentially connected with the dry filter, the liquid sight glass, the electromagnetic valve, the mass flowmeter and the expansion device in series, the expansion device adopts a mode that an external balance type thermal expansion valve, an electronic expansion valve and a manual expansion valve are connected in parallel, and an outlet main pipeline of the expansion device is respectively connected with the first plate-type evaporator and the; the first plate-type evaporator and the second plate-type evaporator are connected in parallel, the outlet of a main pipeline of the first plate-type evaporator is connected with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the air inlet of the variable-frequency compressor.
Preferably, a first temperature sensor and a first pressure sensor are arranged between the variable frequency compressor and the oil separator; a second pressure sensor, a second temperature sensor and a first stop valve are respectively arranged between the oil separator and the first plate-type condenser as well as between the oil separator and the second plate-type condenser; a second stop valve, a third pressure sensor and a third temperature sensor are arranged between the first plate type condenser and the liquid reservoir and between the second plate type condenser and the liquid reservoir; a third stop valve is arranged between the mass flow meter and the expansion device; a fourth pressure sensor, a fourth temperature sensor and a fourth stop valve are arranged between the expansion device and the first plate-type evaporator and between the expansion device and the second plate-type evaporator; a fifth stop valve, a fifth pressure sensor and a fifth temperature sensor are arranged between the first plate-type evaporator and the gas-liquid separation device and between the second plate-type evaporator and the gas-liquid separation device; and a sixth temperature sensor and a sixth pressure sensor are arranged between the gas-liquid separator and the variable-frequency compressor.
Preferably, the condenser further comprises a cooler, and the cooler is connected with the inlet and the outlet of the first plate-type condenser and the inlet and the outlet of the second plate-type condenser through a sixth stop valve, a first turbine flow meter and a sixth temperature sensor respectively.
Preferably, the system further comprises a cold water tank, and the cold water tank is connected with the inlet and the outlet of the first plate evaporator and the second plate evaporator through a seventh stop valve, a second turbine flowmeter and a seventh temperature sensor respectively.
Preferably, a power sensor is additionally arranged on the variable frequency compressor and used for detecting the active power of the compressor.
Preferably, the variable frequency compressor and the electronic expansion valve are respectively provided with an upper controller for pid adjustment, the supply water temperature of the chilled water controls the frequency of the compressor, and the degree of superheat controls the opening of the electronic expansion valve.
The beneficial effects of the utility model are that this heat pump system adopts R410a refrigerant double plate evaporator and condenser, can realize its alone or synchronous heat transfer to being furnished with temperature sensor, pressure sensor and mass flow meter, power sensor and carrying out data monitoring to the system, being convenient for detect and optimize analysis and optimization to the circulation efficiency of system variable operating mode operation, can be to being favorable to lowering system initial cost and running cost, the system operation is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided in connection with the accompanying drawings. As shown in fig. 1, the refrigeration heat pump apparatus of R410a refrigerant includes an inverter compressor 1, an oil separator 2, a first plate condenser 3, a second plate condenser 4, an accumulator 5, a drying filter 6, a sight glass 7, an electromagnetic valve 8, a mass flow meter 9, a second plate evaporator 10, a second plate evaporator 11, and a gas-liquid separator 12;
the exhaust port of the variable frequency compressor is connected with the inlet end of the oil separator, and a first temperature sensor 13 and a first pressure sensor 14 are arranged between the variable frequency compressor and the oil separator;
the outlet end of the oil separator is respectively connected with the first plate type condenser and the second plate type condenser, and a second pressure sensor 15, a second temperature sensor 16 and a first stop valve 17 are respectively arranged between the oil separator and the first plate type condenser and between the oil separator and the second plate type condenser;
the first plate-type condenser and the second plate-type condenser are connected in parallel, the outlet of a main pipeline of the first plate-type condenser is connected with the inlet of the liquid storage device, and a second stop valve 18, a third pressure sensor 19 and a third temperature sensor 20 are arranged between the first plate-type condenser and the liquid storage device;
the outlet pipeline of the liquid storage device is sequentially connected with the dry filter, the liquid sight glass, the electromagnetic valve, the mass flow meter and the expansion device in series, and a third stop valve 21 is arranged between the mass flow meter and the expansion device; the expansion device adopts a form that an external balance type thermostatic expansion valve 22, an electronic expansion valve 23 and a manual expansion valve 24 are connected in parallel, and outlet main pipelines of the expansion device are respectively connected with the first plate-type evaporator and the second plate-type evaporator; a fourth pressure sensor 25, a fourth temperature sensor 26 and a fourth stop valve 27 are arranged between the expansion device and the first plate-type evaporator and the second plate-type evaporator;
the first plate-type evaporator and the second plate-type evaporator are connected in parallel, the outlet of a main pipeline of the first plate-type evaporator is connected with the inlet of the gas-liquid separator, and a fifth stop valve 28, a fifth pressure sensor 29 and a fifth temperature sensor 30 are arranged between the first plate-type evaporator and the gas-liquid separator and between the second plate-type evaporator and the gas-liquid separator;
the outlet of the gas-liquid separator is connected with the air inlet of the variable-frequency compressor, and a sixth temperature sensor 31 and a sixth pressure sensor 32 are arranged between the gas-liquid separator and the variable-frequency compressor.
The condenser further comprises a cooler 33, and the cooler is connected with the inlet and the outlet of the first plate-type condenser and the inlet and the outlet of the second plate-type condenser through a sixth stop valve 34, a first turbine flow meter 35 and a sixth temperature sensor 36.
The system further comprises a cold water tank 37, and the cold water tank is connected with the inlet and the outlet of the first plate-type evaporator and the second plate-type evaporator through a seventh stop valve 38, a second turbine flowmeter 39 and a seventh temperature sensor 40.
The monitoring system can be used for carrying out data monitoring and control on temperature sensors of an inlet and an outlet of the plate-type evaporator and the plate-type condenser, a pressure sensor, a mass flowmeter, a compressor frequency converter, the temperature of chilled water in and out, a turbine flowmeter, a temperature and flow sensor of cooling water in and out, a compressor power sensor and four groups of variable electric heaters by simulating user loads and electric power thereof.
The monitoring system can also be used for remotely controlling the starting and stopping of the electromagnetic valve, the electronic expansion valve, the frequency converter of the freezing water pump, the frequency converter of the cooling water pump and the fan of the cooling tower.
This device compresses into high temperature, high-pressure medium with low temperature, low pressure gaseous state medium through the compressor, through two parallelly connected and be provided with the first plate condenser and the second plate heat exchanger of stop valve respectively, can realize its alone or synchronous heat transfer, thereby after tentatively cooling down, the medium leading-in expansion device is transformed into low temperature, low pressure medium, low temperature, low pressure medium through two parallelly connected and be provided with the first plate evaporator and the second plate evaporator of stop valve respectively, get back to the compressor after the heat transfer and accomplish the inner loop. The utility model discloses a heat pump system is furnished with double evaporation ware and two condensers, can realize its alone or synchronous heat transfer according to the use needs, possesses the thermodynamic cycle of multiple variable working condition to system simple structure, it is nimble convenient to switch. Meanwhile, the monitoring system can monitor data of the inlet and outlet temperature sensors of the plate-type evaporator and the plate-type condenser, the pressure sensor, the electromagnetic valve, the electronic expansion valve, the mass flowmeter and the compressor frequency converter, and can realize large-range adjustment of various parameters of the system by controlling the opening and closing degree of the electromagnetic valve, the opening degree of the electronic expansion valve and the rotating speed of the compressor, so that the circulation efficiency of the system is improved, the variable-working-condition heat exchange characteristics of the plate-type heat exchanger and the matching relation among all the parts are analyzed and optimized, the initial investment and the running cost of the system can be reduced, and the system runs more.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A refrigeration heat pump apparatus for R410a refrigerant, characterized in that: the system comprises a variable frequency compressor, an oil separator, a first plate type condenser, a second plate type condenser, a liquid storage device, a drying filter, a liquid viewing mirror, an electromagnetic valve, a mass flow meter, a second plate type evaporator and a gas-liquid separator; an exhaust port of the variable frequency compressor is connected with an inlet end of the oil separator, an outlet end of the oil separator is respectively connected with the first plate-type condenser and the second plate-type condenser, the first plate-type condenser and the second plate-type condenser are connected in parallel, an outlet of a main pipeline of the oil separator is connected with an inlet of the liquid storage device, an outlet pipeline of the liquid storage device is sequentially connected with the dry filter, the liquid sight glass, the electromagnetic valve, the mass flowmeter and the expansion device in series, the expansion device adopts a mode that an external balance type thermal expansion valve, an electronic expansion valve and a manual expansion valve are connected in parallel, and an outlet main pipeline of the expansion device is respectively connected with the first plate-type evaporator and the; the first plate-type evaporator and the second plate-type evaporator are connected in parallel, the outlet of a main pipeline of the first plate-type evaporator is connected with the inlet of the gas-liquid separator, and the outlet of the gas-liquid separator is connected with the air inlet of the variable-frequency compressor.
2. A refrigerating heat pump apparatus for R410a refrigerant according to claim 1, wherein a first temperature sensor and a first pressure sensor are provided between the inverter compressor and the oil separator; a second pressure sensor, a second temperature sensor and a first stop valve are respectively arranged between the oil separator and the first plate-type condenser as well as between the oil separator and the second plate-type condenser; a second stop valve, a third pressure sensor and a third temperature sensor are arranged between the first plate type condenser and the liquid reservoir and between the second plate type condenser and the liquid reservoir; a third stop valve is arranged between the mass flow meter and the expansion device; a fourth pressure sensor, a fourth temperature sensor and a fourth stop valve are arranged between the expansion device and the first plate-type evaporator and between the expansion device and the second plate-type evaporator; a fifth stop valve, a fifth pressure sensor and a fifth temperature sensor are arranged between the first plate-type evaporator and the gas-liquid separation device and between the second plate-type evaporator and the gas-liquid separation device; and a sixth temperature sensor and a sixth pressure sensor are arranged between the gas-liquid separator and the variable-frequency compressor.
3. A refrigerating and heat pump apparatus for R410a refrigerant according to claim 1, further comprising a cooler connected to the inlet and outlet of the first plate condenser and the second plate condenser via a sixth cut-off valve, a first turbo flow meter, and a sixth temperature sensor, respectively.
4. A refrigerating and heat pump apparatus for R410a refrigerant according to claim 1, further comprising a cold water tank connected to the inlet and outlet of the first plate evaporator and the second plate evaporator via a seventh stop valve, a second turbo flow meter, and a seventh temperature sensor, respectively.
5. A refrigerating and heat pump apparatus as claimed in claim 1, wherein a power sensor is added to said inverter compressor for detecting compressor active power.
6. A refrigerating and heat pump apparatus for R410a refrigerant as claimed in claim 1, wherein said inverter compressor and said electronic expansion valve are respectively provided with an upper controller for pid adjustment, the supply water temperature of the chilled water controls the frequency of the compressor, and the degree of superheat controls the opening of the electronic expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665786.7U CN210320722U (en) | 2019-05-09 | 2019-05-09 | Refrigeration heat pump device of R410a refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920665786.7U CN210320722U (en) | 2019-05-09 | 2019-05-09 | Refrigeration heat pump device of R410a refrigerant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210320722U true CN210320722U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920665786.7U Expired - Fee Related CN210320722U (en) | 2019-05-09 | 2019-05-09 | Refrigeration heat pump device of R410a refrigerant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210320722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611041A (en) * | 2020-12-18 | 2021-04-06 | 青岛海信日立空调系统有限公司 | Air conditioning unit and electronic expansion valve control method |
-
2019
- 2019-05-09 CN CN201920665786.7U patent/CN210320722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611041A (en) * | 2020-12-18 | 2021-04-06 | 青岛海信日立空调系统有限公司 | Air conditioning unit and electronic expansion valve control method |
| CN112611041B (en) * | 2020-12-18 | 2023-12-12 | 青岛海信日立空调系统有限公司 | Air conditioning unit and electronic expansion valve control method |
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| GR01 | Patent grant | ||
| 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: 20200414 |