CN210346432U - Heat pipe air conditioner all-in-one machine - Google Patents
Heat pipe air conditioner all-in-one machine Download PDFInfo
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- CN210346432U CN210346432U CN201921090752.6U CN201921090752U CN210346432U CN 210346432 U CN210346432 U CN 210346432U CN 201921090752 U CN201921090752 U CN 201921090752U CN 210346432 U CN210346432 U CN 210346432U
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- heat pipe
- compression refrigeration
- refrigerant
- cooling unit
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- 238000005057 refrigeration Methods 0.000 claims abstract description 58
- 239000003507 refrigerant Substances 0.000 claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 230000006835 compression Effects 0.000 claims abstract description 44
- 238000007906 compression Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a heat pipe air conditioner all-in-one, including compression refrigeration unit, heat pipe cooling unit, vapour and liquid separator and controlling means. The control device is set to start the compression refrigeration unit to refrigerate when the temperature difference between the ambient temperature and the indoor temperature is smaller than a threshold value, the gaseous refrigerant of the heat pipe cooling unit enters the compression refrigeration unit through the gas-liquid separator, the refrigerant cooled and liquefied in the compression refrigeration unit enters the gas-liquid separator through a liquid refrigerant inlet on the compression refrigeration side of the gas-liquid separator, and flows back to the heat pipe cooling evaporator through a refrigerant pipeline of the heat pipe cooling unit communicated with the heat pipe side outlet; and when the temperature difference between the ambient temperature and the indoor temperature is not less than the first threshold value, the operation of the compression refrigeration unit is closed, and only the heat pipe cooling unit is operated. The utility model discloses but furthest utilizes natural cold source, reduces the PUE value of data computer lab.
Description
Technical Field
The invention relates to an air conditioner, in particular to a heat pipe air conditioner all-in-one machine.
Background
The air-conditioning refrigeration system accounts for nearly one third of the total power consumption of the data center, and is a key index influencing the energy consumption of a machine room, and the good air-conditioning refrigeration scheme can greatly reduce the energy consumption and the PUE value. Mainstream products meeting the refrigeration requirements of data machine rooms in the market at present mainly comprise precision air conditioners for machine rooms and precision air conditioners for water cooling of water chilling units, and in order to implement 'industry green development planning (2016 + 2020)' (Ministry of industry and communications's Ministry of industry and information department's guidance on enhancing energy saving and emission reduction work of 'thirteen five' information and communication industry '(Ministry of industry and communications' 2017) '77', the construction of a green data center is accelerated, the green development level of the data center is improved as a target, various refrigeration equipment manufacturers carry out technical upgrading or technical innovation, for example, the precision air conditioners adopt a frequency conversion technology, the tail end adopts an inter-row type and the like, the water chilling units add 'free cooling' technology, the energy efficiency can be properly improved through the technical upgrading and innovation means, and partial energy conservation is realized. But the energy-saving potential is not thoroughly exploited, the natural cold source is utilized to the maximum extent, and more effective energy saving is realized.
Therefore, a new energy-saving air conditioner is urgently needed to solve the defects of the air conditioning system, effectively utilize a natural cold source, reduce the PUE value of a data machine room and achieve the purpose of energy conservation.
Disclosure of Invention
Aiming at the technical problems in the existing machine room air conditioner, the invention makes innovation and breakthrough and provides a heat pipe air conditioner all-in-one machine. The heat pipe air conditioner all-in-one machine can utilize a natural cold source to the maximum extent and reduce the PUE value of a data machine room.
In order to achieve the purpose, the invention adopts the following technical scheme: a heat pipe air-conditioner all-in-one machine is characterized by comprising a compression refrigeration unit, a heat pipe cooling unit, a gas-liquid separator and a control device, wherein refrigerant pipelines of the heat pipe cooling unit are respectively communicated with a heat pipe side inlet and a heat pipe side outlet of the gas-liquid separator; the heat pipe cooling unit comprises a heat pipe cooling unit evaporator and a heat pipe cooling unit condenser, the position of the heat pipe cooling unit condenser is higher than that of the evaporator, the control device is set to start the compression refrigeration unit to refrigerate when the temperature difference between the ambient temperature and the indoor temperature is smaller than a first threshold value, the gaseous refrigerant of the heat pipe cooling unit enters the compression refrigeration unit through the gas-liquid separator, the refrigerant which is cooled and liquefied in the compression refrigeration unit enters the gas-liquid separator, and flows back to the heat pipe cooling evaporator through a refrigerant pipeline of the heat pipe cooling unit communicated with the outlet on the side of the heat pipe; and when the temperature difference between the ambient temperature and the indoor temperature is not less than the first threshold value, the operation of the compression refrigeration unit is closed, and only the heat pipe cooling unit is operated.
In one embodiment, a check valve is provided in a refrigerant line connected between a compressor inlet of the compression refrigeration unit and a compression refrigeration side gaseous refrigerant outlet of the gas-liquid separator.
In one embodiment, the invention also includes a heat pipe cooling unit condenser fan and a mechanical refrigeration unit condenser fan.
In one embodiment, the mechanical refrigeration unit further comprises a dry filter disposed in the refrigerant line between the outlet of the condenser of the mechanical refrigeration unit and the compression refrigeration side liquid refrigerant inlet of the vapor-liquid separator.
In one embodiment, a first throttling valve is arranged on a refrigerant pipeline between the dry filter and a liquid refrigerant inlet on the compression refrigeration side of the gas-liquid separator.
In one embodiment, a second throttle valve is provided in a refrigerant line connected between the heat pipe side outlet of the gas-liquid separator and the heat pipe cooling unit evaporator refrigerant inlet.
Preferably, the first throttle or the second throttle is an electronic expansion valve.
In one embodiment, the compressor of the mechanical refrigeration unit may be a single or multiple fixed frequency compressors, or a single or multiple inverter compressors, or a combination of at least one fixed frequency compressor and at least one inverter compressor.
In one embodiment, the mechanical refrigeration unit condenser and the heat pipe cooling unit condenser are evaporative cooled.
In one embodiment, the threshold is 10 ℃.
The beneficial technical effects of the invention comprise:
1) when the natural cold source meets the refrigeration requirement, the mechanical cold source does not work, and the energy is saved.
2) When the natural cold source can not provide the cold source, the compressor system works, and the system can stably run.
3) In the transition season, the mechanical cold source and the natural cold source are operated in parallel, so that the natural cold source is utilized for a longer time all the year round, and more energy is saved.
4) The refrigerant between the evaporator of the heat pipe cooling unit and the condenser of the heat pipe cooling unit is circulated passively, so that the energy consumption is zero, and the energy is saved.
5) The indoor evaporator adopts latent heat exchange, has small thickness and low wind resistance, reduces the energy consumption of the indoor fan and is beneficial to energy conservation.
6) The compressor system has short pipeline, thereby reducing resistance, reducing the pressure difference between the air outlet of the compressor and the air suction port, improving the energy efficiency ratio and reducing energy consumption.
7) The running time of the compressor is greatly reduced, and the service life of the air conditioning equipment is prolonged.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a heat pipe air conditioner all-in-one machine according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. It should be understood that the embodiments of the present invention described in the drawings are illustrative of the invention and are not to be construed as limiting the invention. The scope of the invention is defined by the appended claims.
It should be noted that for convenience of description, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "back" and other directional terms of the invention may be used for convenience of description only and should not be construed as limiting the invention in any way.
Fig. 1 is a schematic diagram of the inventive principle of an embodiment of the heat pipe air conditioner all-in-one machine of the present invention. The heat pipe air conditioner all-in-one machine 100 of the present invention includes: a compression refrigeration unit 10, a heat pipe cooling unit 20, a gas-liquid separator 30, and a control device (not shown). The compression refrigeration unit 10 comprises a compressor 101, a condenser 102 and a refrigerant pipeline 104 which are respectively communicated with a compression refrigeration side gaseous refrigerant outlet 301 and a liquid refrigerant inlet 302 of the gas-liquid separator 30, and the compression refrigeration unit 10 does not comprise an evaporator; the heat pipe cooling unit 20 includes a heat pipe cooling unit evaporator 201 and a condenser 202. The refrigerant pipe 204 of the heat pipe cooling unit 20 is respectively communicated with the heat pipe side inlet 303 and the outlet 304 of the gas-liquid separator 30, and the compression refrigeration unit 10 includes a refrigerant pipe which is respectively in fluid communication with the compression refrigeration side gaseous refrigerant outlet 301 and the liquid refrigerant inlet 302 of the gas-liquid separator.
The heat pipe cooling unit 20 utilizes the principle of heat absorption by evaporation of a refrigerant (such as, but not limited to, R134a, etc.) to establish an air conditioning system in a cold environment. The heat pipe cooling unit condenser 202 is disposed higher than the heat pipe cooling unit evaporator 201. The heat pipe cooling unit evaporator 201 is installed in a cold environment, and the refrigerant evaporates in the evaporator 201 and takes away heat in the cold environment quickly and efficiently, thereby completing cooling work for the cold environment.
When the temperature difference between the ambient temperature and the indoor temperature is less than the first threshold value (the ambient temperature is lower than the indoor temperature), the heat-pipe cooling unit condenser 202 cannot completely cool the gaseous refrigerant into the liquid refrigerant. At this time, the control device turns on the compression refrigeration unit 10 to perform refrigeration, the gas refrigerant of the heat pipe cooling unit enters the compression refrigeration unit 10 through the gas refrigerant outlet 301 of the gas-liquid separator 30, the refrigerant cooled and liquefied in the compression refrigeration unit 10 enters the gas-liquid separator 30 through the liquid refrigerant inlet 302 on the compression refrigeration side of the gas-liquid separator 30, and flows back to the heat pipe cooling unit evaporator 201 through the refrigerant pipe of the heat pipe cooling unit in fluid communication with the heat pipe side outlet 304.
When the temperature difference between the ambient temperature and the indoor temperature is not less than the threshold value, the operation of the compression refrigeration unit 10 is turned off, and only the heat pipe cooling unit 20 is operated. At this time, the gaseous refrigerant can be completely cooled to the liquid refrigerant only by the heat pipe cooling unit condenser 202.
Correspondingly, the heat pipe cooling unit evaporator 201 is equipped with a fan 206, the heat pipe cooling unit condenser 202 is equipped with a fan 203, and the compression refrigeration unit condenser 102 is equipped with a fan 103.
To prevent the liquid refrigerant from entering the compressor 101, a check valve 107 is provided on a refrigerant line connected between an inlet of the compressor 101 of the compression refrigeration unit 10 and the compression refrigeration side gaseous refrigerant outlet 301 of the gas-liquid separator 30.
Preferably, the mechanical refrigeration unit 10 further comprises a dry filter 108 disposed in the refrigerant line 104 between the outlet of the condenser 102 of the mechanical refrigeration unit and the compression refrigeration side liquid refrigerant inlet 302 of the vapor-liquid separator.
In order to adapt to the cold requirement of the cold environment, a first throttling valve 105 is arranged on the refrigerant pipeline 104 between the dry filter 108 and the liquid refrigerant inlet 302 on the compression refrigeration side of the gas-liquid separator. A second throttle valve 205 is provided in the refrigerant line 204 connecting between the heat pipe side outlet 304 of the gas-liquid separator 30 and the refrigerant inlet of the heat pipe cooling unit evaporator 201.
The first throttle 105 and the second throttle 205 may be electronic expansion valves, or may be a combination of solenoid valves with different specifications.
The compressor 101 may be a single or multiple fixed-frequency compressors, or a single or multiple variable-frequency compressors, or a combination of at least one fixed-frequency compressor and at least one variable-frequency compressor.
The condenser 102 and the condenser 203 may employ an evaporative cooling method, but are not limited thereto.
The threshold may be set to 10 ℃, but is not limited thereto.
The control device and the control logic in this embodiment are easy to be implemented by those skilled in the art, and are not described herein again.
By the technical scheme, a natural cold source can be utilized to the maximum extent, and the PUE value of the data computer room is reduced.
Based upon the foregoing description of the preferred embodiment of the invention, it should be apparent that the invention defined by the appended claims is not limited solely to the specific details set forth in the foregoing description, as many apparent variations thereof are possible without departing from the spirit or scope thereof.
Claims (11)
1. A heat pipe air-conditioning all-in-one machine is characterized by comprising a compression refrigeration unit, a heat pipe cooling unit, a gas-liquid separator and a control device, wherein refrigerant pipelines of the heat pipe cooling unit are respectively communicated with a heat pipe side inlet and a heat pipe side outlet of the gas-liquid separator; the heat pipe cooling unit comprises a heat pipe cooling unit evaporator and a condenser, the position of the heat pipe cooling unit condenser is higher than that of the evaporator, the control device is set to start the compression refrigeration unit to refrigerate when the temperature difference between the ambient temperature and the indoor temperature is smaller than a first threshold value, the gaseous refrigerant of the heat pipe cooling unit enters the compression refrigeration unit through the gas-liquid separator, the refrigerant which is cooled and liquefied in the compression refrigeration unit enters the gas-liquid separator, and flows back to the heat pipe cooling evaporator through a refrigerant pipeline of the heat pipe cooling unit communicated with the outlet on the side of the heat pipe; and when the temperature difference between the ambient temperature and the indoor temperature is not less than the first threshold value, the operation of the compression refrigeration unit is closed, and only the heat pipe cooling unit is operated.
2. A heat pipe air conditioner all-in-one machine as claimed in claim 1, wherein a check valve is provided in a refrigerant line connected between a compressor inlet of the compression refrigeration unit and a compression refrigeration side gaseous refrigerant outlet of the gas-liquid separator.
3. A heat pipe air conditioner all-in-one machine as claimed in claim 1, further comprising a heat pipe cooling unit condenser fan and a mechanical refrigeration unit condenser fan.
4. A heat pipe air conditioner all-in-one machine as claimed in claim 1, wherein the compression refrigeration unit further comprises a dry filter disposed in a refrigerant line between an outlet of a condenser of the compression refrigeration unit and a liquid refrigerant inlet on a compression refrigeration side of the gas-liquid separator.
5. A heat pipe and air conditioner all-in-one machine as claimed in claim 4, wherein a first throttling valve is arranged in a refrigerant pipeline between the drying filter and a liquid refrigerant inlet on the compression refrigeration side of the gas-liquid separator.
6. A heat pipe and air conditioner all-in-one machine as claimed in claim 1, wherein a second throttle valve is arranged in a refrigerant pipeline connected between the heat pipe side outlet of the gas-liquid separator and the refrigerant inlet of the evaporator of the heat pipe cooling unit.
7. A heat pipe and air conditioner all-in-one machine as claimed in claim 5, wherein the first throttle valve is an electronic expansion valve.
8. A heat pipe and air conditioner all-in-one machine as claimed in claim 1, wherein the compressor of the compression refrigeration unit can be one or more fixed frequency compressors, or one or more variable frequency compressors, or a combination of at least one fixed frequency compressor and at least one variable frequency compressor.
9. A heat pipe air conditioner all-in-one machine as claimed in claim 1, wherein the compression refrigeration unit condenser and the heat pipe cooling unit condenser adopt an evaporative cooling mode.
10. A heat pipe air conditioning all-in-one machine as claimed in claim 1, wherein the threshold is 10 ℃.
11. A heat pipe and air conditioner all-in-one machine as claimed in claim 6, wherein the second throttle valve is an electronic expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090752.6U CN210346432U (en) | 2019-07-12 | 2019-07-12 | Heat pipe air conditioner all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090752.6U CN210346432U (en) | 2019-07-12 | 2019-07-12 | Heat pipe air conditioner all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210346432U true CN210346432U (en) | 2020-04-17 |
Family
ID=70195385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090752.6U Expired - Fee Related CN210346432U (en) | 2019-07-12 | 2019-07-12 | Heat pipe air conditioner all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210346432U (en) |
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2019
- 2019-07-12 CN CN201921090752.6U patent/CN210346432U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hot pipe and air conditioner all-in-one machine Effective date of registration: 20200522 Granted publication date: 20200417 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Liuhe sub branch Pledgor: NANJING CHUNRONG ENERGY SAVING TECHNOLOGY Co.,Ltd. Registration number: Y2020980002426 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |