CN210570151U - Heat pipe heat exchange system with adjustable cold energy range - Google Patents
Heat pipe heat exchange system with adjustable cold energy range Download PDFInfo
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- CN210570151U CN210570151U CN201921090330.9U CN201921090330U CN210570151U CN 210570151 U CN210570151 U CN 210570151U CN 201921090330 U CN201921090330 U CN 201921090330U CN 210570151 U CN210570151 U CN 210570151U
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Abstract
The utility model relates to a heat pipe heat transfer system with adjustable cold volume range, including indoor unit, outdoor unit and refrigerant, its characterized in that, indoor unit includes a set of evaporimeter and the fan that corresponds with the evaporimeter, outdoor unit includes a set of condenser and the fan that corresponds with the condenser, the position of condenser sets up to be higher than the position of evaporimeter; and a refrigerant flow regulating valve is arranged on the connecting branch of each evaporator, and a liquid receiver is arranged on the refrigerant pipeline. The utility model discloses a cold volume scope adjustable heat pipe heat transfer system can take many indoor sets, and the indoor set can be arranged according to indoor heat load's distribution condition is nimble, and but refrigerant demand automatically regulated reaches the best match, and this invention can make single indoor set be in best operating condition all the time.
Description
Technical Field
The invention relates to an air conditioning system, in particular to a heat pipe heat exchange system with adjustable cold quantity range.
Background
the heat pipe is a heat transfer component with high heat conductivity, transfers indoor heat by evaporation and condensation of a refrigerant in the totally-enclosed vacuum heat exchanger, has good heat transfer property, isothermality and stability, an evaporation end and a condensation end can meet the operation requirement of the system only under the condition of small temperature difference (usually △ t is more than 3 ℃), the natural cold source can be used for a long time all the year around, heat pipe series products are applied in large scale in operators and commercial IDC data centers and widely accepted by customers, and the energy-saving effect is obvious.
At present, a heat pipe heat exchange system used in the field of data machine room refrigeration generally uses one unit for one, namely, a single outdoor unit corresponds to a single indoor unit, or a mode similar to a commercial air conditioner multi-split air conditioner, namely, an outdoor unit drags a plurality of indoor units, but the refrigerating capacity of a single system is small, and in addition, the multi-split air conditioner system also has the defects of uneven indoor side refrigerant flow distribution and the like, and is suitable for occasions with small refrigerating capacity requirements. With the continuous expansion of the scale of the data center, the demand of the refrigerating output is also continuously expanded, and as the energy-saving effect of the heat pipe system is obvious, a heat pipe system with large refrigerating output is urgently needed to meet the market demand.
Disclosure of Invention
Aiming at the technical problems of the existing heat pipe heat exchange system, the invention makes innovation and breakthrough and provides a brand-new heat pipe heat exchange system with adjustable cold capacity range.
In order to achieve the purpose, the invention adopts the following technical scheme: a heat pipe heat exchange system with adjustable cold quantity range comprises an indoor unit, an outdoor unit and a refrigerant pipeline, and is characterized in that the indoor unit comprises a group of evaporators and fans corresponding to the group of evaporators, the outdoor unit comprises a group of condensers and fans corresponding to the condensers, and the condensers are arranged at positions higher than the evaporators; a refrigerant flow regulating valve is arranged on each branch of the evaporator, and a liquid receiver is arranged in the refrigerant pipeline.
In one embodiment, the bank of condensers may be a single condenser.
In another embodiment, the bank of condensers may be in parallel form with multiple condensers of the same or different specifications.
In one embodiment, the bank of evaporators may be a single evaporator.
In one embodiment, the bank of evaporators can be in the form of a parallel connection of a plurality of evaporators of the same or different specifications.
In one embodiment, the liquid receiver is disposed in a refrigerant main line between the bank of condensers and the bank of evaporators.
In another embodiment, the liquid receiver is disposed in the refrigerant branch line below each condenser.
In one embodiment, there is a one-to-one correspondence between condensers and fans in the system.
In one embodiment, the system has one-to-one evaporator to fan.
In one embodiment, a dry filter is disposed in a refrigerant main line between the bank of condensers and the bank of evaporators.
In one embodiment, a valve is provided in the bypass refrigerant line of each condenser in the set of condensers.
The beneficial technical effects of the invention comprise:
1) the outdoor condenser of the heat pipe heat exchange system with adjustable cold capacity range can be connected in parallel to form a larger system, and the wider cold capacity range is matched for the indoor evaporation end of the heat pipe.
2) The heat pipe heat exchange system with adjustable cold amount range has several indoor evaporators, indoor units may be flexibly arranged based on the indoor heat load distribution, and the indoor units may be regulated automatically based on the refrigerant requirement of each indoor unit to reach optimal matching state.
3) Because the heat pipe heat exchange system with the adjustable cold capacity range is controlled by variable refrigerant flow, the refrigerating capacity of the whole system can be automatically distributed according to the refrigerant demand of each indoor unit, so that the whole system is in the optimal working state.
4) The condensation temperature of the refrigerant of the heat pipe system is high, the time for utilizing a natural cold source all the year round is longer, and more energy is saved.
5) The refrigerant circulation between the indoor unit and the outdoor unit is passive, zero energy consumption is realized, and more energy is saved.
6) The heat exchanger of the indoor unit adopts sensible heat exchange, the heat exchanger has small thickness and low wind resistance, reduces the energy consumption of an indoor fan and is beneficial to energy conservation.
7) The heat pipe heat exchange system with the adjustable cold capacity range is provided with the liquid storage device, the requirement on the precision of the refrigerant filling amount of the whole system is not high, and the debugging difficulty and the workload are reduced.
8) The heat pipe heat exchange system with adjustable cold quantity range is used for industrial application occasions which only need refrigeration, such as: the precision machining center, the electronic clean factory building and the like also have the advantages.
Drawings
Fig. 1 is a schematic diagram of a heat pipe heat exchange system with adjustable cold capacity range according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The embodiments of the invention illustrated 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 may be used herein only for convenience of describing the relative orientation of the components of the present invention, and should not be construed as limiting the invention in any way.
Fig. 1 is a schematic diagram of a heat pipe heat exchange system with adjustable cold capacity range according to an embodiment of the present invention. As shown in fig. 1, the present heat-pipe heat exchange system 100 includes an indoor unit 20, an outdoor unit 10, and a refrigerant line 30.
The indoor unit 10 includes a group of evaporators 101-1, …, 101-i connected in parallel, and fans 102-1, …, 102-i corresponding to the evaporators 101-1, …, 101-i in the group of evaporators connected in parallel.
The outdoor unit 10 includes a group of condensers 201-1, …, 201-i connected in parallel, and condenser fans 202-1, …, 202-i corresponding to the condensers 201-1, …, 201-i one to one. The condenser 201-1, …, 201-i is set to be higher than the evaporator 101-1, …, 101-i, so that the refrigerant of the system can automatically return to the evaporator due to gravity after being cooled and liquefied by the condenser, without any other power drive, thereby achieving the purpose of saving energy.
A refrigerant flow regulating device 103-1, …, 103-i is arranged on the branch of each evaporator 101-1, …, 101-i, in order to regulate the flow of refrigerant entering the evaporator by the refrigerant flow regulating device according to the refrigeration area refrigeration requirement for which each evaporator is responsible.
A reservoir 40 is provided on the refrigerant line 30. The reservoir 40 may be disposed in the refrigerant main line 30 between the set of parallel condensers 201-1, …, 201-i and the set of parallel evaporators 101-1, …, 101-i. The reservoir 40 is provided to accommodate the need for a variable refrigerant flow in the evaporators 101-1, …, 101-i, and to store excess refrigerant in the reservoir 40.
Alternatively, the reservoir 40 may be provided in the refrigerant branch line below each condenser, serving the same function as the reservoir 40 is provided in the refrigerant main line 30 between the set of parallel condensers 201-1, …, 201-i and the set of parallel evaporators 101-1, …, 101-i.
Depending on the impurities and moisture content of the refrigerant, the filter-drier 50 may or may not be optionally installed in the main refrigerant line 30.
The evaporators 101-1, …, 101-i in this embodiment may be of the same or different specifications.
The condensers 201-1, …, 201-i in this embodiment may be of the same or different specifications.
The working principle of the heat pipe heat exchange system 100 with adjustable cold capacity range is as follows: the refrigerant in the evaporator 101-1, …, 101-i absorbs indoor heat and evaporates into gaseous refrigerant under the combined action of the evaporator 101-1, …, 101-i and the fan 102-1, …, 102-i, rises along the refrigerant main pipeline 30 to the outdoor condenser 201-1, …, 201-i, emits heat under the combined action of the condenser 201-1, …, 201-i and the condenser fan 202-1, …, 202-i, and is condensed into liquid refrigerant to enter the receiver 40. The liquid refrigerant flows into the refrigerant flow adjusting devices 103-1, …, 103-i through the dry filter 50 along the main refrigerant pipeline 30 under the action of gravity, and after the refrigerant flow adjusting devices 103-1, …, 103-i are respectively adjusted according to the flow required by the corresponding evaporators, the refrigerant enters the corresponding evaporators, and a refrigeration cycle is completed. The above steps are repeated to exchange indoor heat to the outside.
Although not shown, the heat pipe heat exchange system 100 with adjustable cooling capacity range in the present invention should include a control unit to realize the control of the system. The control unit and the control logic are easy to be implemented by those skilled in the art, and are not described herein in detail.
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 heat exchange system with adjustable cold quantity range comprises an indoor unit, an outdoor unit and a refrigerant pipeline, and is characterized in that the indoor unit comprises a group of evaporators and fans corresponding to the evaporators, the outdoor unit comprises a group of condensers and fans corresponding to the condensers, and the condensers are arranged at positions higher than the evaporators; and a refrigerant flow regulating valve is arranged on each branch of the evaporator, and a liquid receiver is arranged on the refrigerant pipeline.
2. The adjustable cold range heat pipe heat exchange system of claim 1, wherein the set of condensers can be a single condenser.
3. The adjustable cold range heat pipe heat exchange system of claim 1, wherein the set of condensers can be in parallel connection with a plurality of condensers of the same or different specifications.
4. A cold-range adjustable heat pipe heat exchange system according to claim 1, wherein the set of evaporators can be a single evaporator.
5. A heat pipe heat exchange system with adjustable cold capacity range according to claim 1, wherein the evaporator group can be a parallel connection form of a plurality of evaporators with the same specification or different specifications.
6. A cold range adjustable heat pipe heat exchange system according to claim 1 wherein the liquid reservoir is arranged in the main refrigerant line between the condenser and the evaporator.
7. A cold range adjustable heat pipe heat exchange system according to claim 1 wherein the liquid receiver is placed in the refrigerant branch line below each condenser.
8. A heat pipe heat exchange system with adjustable cold capacity according to claim 1, wherein the condensers correspond to the fans one by one in the system.
9. A heat pipe heat exchange system according to claim 1, wherein the evaporators in the system correspond to fans one to one.
10. A heat pipe heat exchange system according to claim 1, wherein a dry filter is provided in the refrigerant main line between the bank of condensers and the bank of evaporators.
11. A heat pipe heat exchange system according to claim 1, wherein a valve is provided in the refrigerant branch line of each condenser in the set of condensers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090330.9U CN210570151U (en) | 2019-07-12 | 2019-07-12 | Heat pipe heat exchange system with adjustable cold energy range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090330.9U CN210570151U (en) | 2019-07-12 | 2019-07-12 | Heat pipe heat exchange system with adjustable cold energy range |
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| Publication Number | Publication Date |
|---|---|
| CN210570151U true CN210570151U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090330.9U Active CN210570151U (en) | 2019-07-12 | 2019-07-12 | Heat pipe heat exchange system with adjustable cold energy range |
Country Status (1)
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|---|---|
| CN (1) | CN210570151U (en) |
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2019
- 2019-07-12 CN CN201921090330.9U patent/CN210570151U/en active Active
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