CN207948000U - Photovoltaic cooling device and photovoltaic centrifuge system - Google Patents
Photovoltaic cooling device and photovoltaic centrifuge system Download PDFInfo
- Publication number
- CN207948000U CN207948000U CN201721889711.4U CN201721889711U CN207948000U CN 207948000 U CN207948000 U CN 207948000U CN 201721889711 U CN201721889711 U CN 201721889711U CN 207948000 U CN207948000 U CN 207948000U
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- frequency converter
- heat
- accommodating chamber
- centrifuge system
- 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.)
- Withdrawn - After Issue
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 238000001704 evaporation Methods 0.000 claims abstract description 33
- 239000003507 refrigerant Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 238000005213 imbibition Methods 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims description 23
- 230000002745 absorbent Effects 0.000 claims description 19
- 239000002250 absorbent Substances 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 230000005494 condensation Effects 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model provides a photovoltaic cooling arrangement and photovoltaic centrifuge system, including imbibition core and a plurality of fin, the imbibition core has the foamy copper material to make, just be formed with evaporating surface and condensation surface on the imbibition core, all fin evenly distributed in on the condensation surface, the evaporating surface with treat photovoltaic cooling arrangement laminating setting. The utility model provides a photovoltaic cooling arrangement and photovoltaic centrifuge system, through the heat absorption core that adopts the foamy copper to make and the heat transfer working medium that is in the chamber that holds of heat absorption core, utilize the heat transfer working medium to absorb heat and the radiating keeping away from of condensation surface at the evaporation surface of heat absorption core to cool off the converter, and can increase the radiating efficiency of condensation surface through setting up the fan, the utilization ratio of the system energy can be increased to the air-out through utilizing fan coil, and through the structure that adopts photovoltaic cooling arrangement, can make photovoltaic centrifuge system satisfy the operation requirement of R410A refrigerant, effective lowering system cost and running cost.
Description
Technical field
The utility model is related to air conditioner technical field, especially a kind of photovoltaic cooling equipment and photovoltaic centrifuge system
System.
Background technology
The main heating module that photovoltaic directly drives variable frequency centrifuge is frequency converter (including rectification module and inverter module), is made
With being that alternating current or photovoltaic electric are converted into centrifugal motor electricity consumption, in the conversion process, frequency converter will produce heat, if temperature mistake
High (being higher than 60 DEG C), frequency converter and other components can be burnt out, compressor emergency shutdown is eventually led to, conventional photovoltaic cools down the cold of equipment at present
But mode：The coldplate of one piece of embedded U-shaped copper pipe is installed in frequency converter bottom, is distributed in coldplate to the snakelike one way of U-shaped copper pipe
On, the heat that refrigerant flows directly absorption frequency converter in U-type groove radiates.The technology has the following disadvantages：1, uniform temperature
Difference.Since one way flows refrigerant on cold plate, uniform temperature is cannot achieve, temperature is relatively low at refrigerant inlet, temperature at refrigerant exit
It is higher, it is easy supercooling at refrigerant inlet and causes condensation, condensation water that can cause short circuit and burn out problem, be easy to cause at refrigerant exit
Temperature is excessively high, influences the performance of frequency converter, even results in and burn out.2, need to use special construction cold plate, cold plate it is of high cost, stupid
Weight, volume are big；The copper pipe safety in U-shaped section is low, and copper overpressure must not be excessively high, for reliability, can only use high temperature system
Cryogen R134A, refrigerating efficiency are low.
Utility model content
In order to solve the above-mentioned technical problem, provide a kind of high and photovoltaic cooling equipment without using refrigerant of radiating efficiency and
Photovoltaic centrifuge system.
A kind of photovoltaic cooling equipment, including liquid absorbent wick and multiple fins, the liquid absorbent wick have foam copper product to be made,
And evaporating surface and cryosurface are formed on the liquid absorbent wick, all fins are uniformly distributed on the cryosurface, described
Evaporating surface is bonded setting with photovoltaic cooling equipment is waited for, accommodating chamber is formed in the middle part of the liquid absorbent wick, is filled in the accommodating chamber
Have a heat-transfer working medium, and the heat-transfer working medium can in the accommodating chamber between the evaporating surface and the cryosurface recycle stream
It is dynamic.
It is vacuum state in the accommodating chamber, and the volume of the heat-transfer working medium is less than the volume of the accommodating chamber.
The heat-transfer working medium is the aluminium oxide nano fluid that mass concentration is 0.5%.
It is vacuum state in the accommodating chamber.
The cross section of the liquid absorbent wick is rectangle structure, and the cryosurface is in the upper table of the rectangle structure
Face, the evaporating surface are in the lower surface of the rectangle structure.
Photovoltaic cooling equipment further includes cooling fan, and the air-out direction of the cooling fan is towards the cryosurface.
All fins are distributed in multi-column version on the cryosurface, and gas is formed between the adjacent two row fin
Channel, the air-out direction of the cooling fan are identical as the direction of the gas passage.
The accommodating chamber is internally provided with reinforcing rib, and the upper surface fixation of the upper end of the reinforcing rib and the accommodating chamber is set
It sets, lower end and the lower surface of the accommodating chamber are fixedly installed, and the reinforcing rib is made of foam copper product.
A kind of photovoltaic centrifuge system, including frequency converter and above-mentioned photovoltaic cool down equipment, the photovoltaic cooling equipment
Evaporating surface fitting is set on the frequency converter.
The area of the evaporating surface is more than the area for the side that the frequency converter is bonded with the evaporating surface.
The liquid absorbent wick is fixedly installed on by fixed structure on the frequency converter, and the evaporating surface and the frequency conversion
It is bonded by heat conductive silica gel between device.
The photovoltaic centrifuge system further includes compressor, condenser and fan coil, the compressor, the condenser
It is sequentially communicated to form refrigerant circulation channel with the fan coil, and the air-out direction of the fan coil is directed toward the condensation
Face.
The photovoltaic centrifuge system further includes frequency converter babinet, and the frequency converter and photovoltaic cooling equipment are set to
The air-out direction of the frequency converter box house, the fan coil is directed toward the frequency converter babinet.
Refrigerant in the photovoltaic centrifuge system is R410A.
Photovoltaic cooling equipment and photovoltaic centrifuge system provided by the utility model, absorb heat by using made of foam copper
Core and the heat-transfer working medium in the accommodating chamber for absorbing heat core, the evaporating surface using heat-transfer working medium in heat absorption core inhale hot and cold
Solidifying the separate of face heat dissipation cools down frequency converter, and can increase the radiating efficiency of cryosurface by the way that wind turbine is arranged, and passes through
The utilization rate of system energy can be increased using the outlet air of fan coil, and cool down the structure of equipment, energy by using photovoltaic
So that photovoltaic centrifuge system is met the requirement of R410A refrigerants, effectively reduces system cost and operating cost.
Description of the drawings
Fig. 1 is the structure for the photovoltaic cooling equipment that photovoltaic provided by the utility model cools down equipment and photovoltaic centrifuge system
Schematic diagram；
Fig. 2 is the knot for the photovoltaic centrifuge system that photovoltaic provided by the utility model cools down equipment and photovoltaic centrifuge system
Structure schematic diagram；
In figure：
1, liquid absorbent wick；2, fin；3, evaporating surface；4, cryosurface；5, accommodating chamber；6, cooling fan；7, reinforcing rib；10、
Frequency converter；11, compressor；12, condenser；13, fan coil.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The tooling of the assembled display component of the utility model is further elaborated in example.It should be appreciated that described herein
Specific embodiment is only used for explaining the utility model, is not used to limit the utility model.
Photovoltaic as shown in Figure 1 cools down equipment, including liquid absorbent wick 1 and multiple fins 2, the liquid absorbent wick 1 have foam
Copper product is made, and foam copper has extremely strong capillary force, and evaporating surface 3 and cryosurface 4 are formed on the liquid absorbent wick 1, institute
There is the fin 2 to be uniformly distributed on the cryosurface 4, the evaporating surface 3 is bonded setting, the suction with photovoltaic cooling equipment is waited for
1 middle part of wick-containing body is formed with accommodating chamber 5, heat-transfer working medium is filled in the accommodating chamber 5, and the heat-transfer working medium can be described
It is circulated between the evaporating surface 3 and the cryosurface 4 in accommodating chamber 5, heat-transfer working medium absorbs heat steaming at the evaporating surface 3
Hair moves after becoming gaseous state to the top of accommodating chamber 5, and contacts heat dissipation with cryosurface 4, the Gaseous heat transfer working medium condensation after heat dissipation
It being affected by gravity to be back at evaporating surface 3 for liquid and continues heat absorption formation cycle, all fins 2 absorb heat at cryosurface 4,
And heat is distributed into surrounding space.
It is vacuum state in the accommodating chamber 5, can ensures the heat-transfer working medium only in accommodating chamber 5 with gaseous state and liquid,
The purity for ensureing heat-transfer working medium, increases the evaporation rate of heat-transfer working medium also by vacuum degree, and the volume of the heat-transfer working medium is less than
The volume of the accommodating chamber 5 so that accommodating chamber 5 can accommodating portion be evaporated to gaseous heat-transfer working medium.
The heat-transfer working medium is the aluminium oxide nano fluid that mass concentration is 0.5%, can effectively enter liquid absorbent wick 1
Heat transfer efficiency is improved in inside.
The cross section of the liquid absorbent wick 1 is rectangle structure, and the cryosurface 4 is in the upper of the rectangle structure
Surface, the evaporating surface 3 are in the lower surface of the rectangle structure so that heat-transfer working medium can be in the shadow of gravity and vacuum degree
Under sound, Gaseous heat transfer working medium is moved to upper surface, and liquid heat transfer working medium is moved to lower surface, achievees the purpose that cycle.
Photovoltaic cooling equipment further includes cooling fan 6, and the air-out direction of the cooling fan 6 is towards the cryosurface
4, using the outlet air of cooling fan 6, increase the rate of heat dispation of cryosurface 4 and/or fin 2.
All fins 2 are distributed in multi-column version on the cryosurface 4, are formed between the adjacent two row fin 2
Gas passage, the air-out direction of the cooling fan 6 are identical as the direction of the gas passage so that the outlet air of cooling fan 6
Forced heat radiation is carried out to cryosurface 4 and/or fin 2, and flow perturbation can be increased will not to cause excessive windage again.
The accommodating chamber 5 is internally provided with reinforcing rib 7, and the upper end of the reinforcing rib 7 and the upper surface of the accommodating chamber 5 are solid
Fixed setting, lower end and the lower surface of the accommodating chamber 5 are fixedly installed, and the reinforcing rib 7 is made of foam copper product, described
Reinforcing rib 7 has been the supporting role to the structural strength of liquid absorbent wick 1, also the capillarity of foam copper can be utilized to pass liquid
Hot working fluid is drained.
A kind of photovoltaic centrifuge system as shown in Figure 2, including frequency converter 10 and above-mentioned photovoltaic cool down equipment, the light
The fitting of evaporating surface 3 of the cooling equipment of volt is set on the frequency converter 10, and the heat of frequency converter 10 is absorbed using evaporating surface 3.
The area of the evaporating surface 3 is more than the area for the side that the frequency converter 10 is bonded with the evaporating surface 3, in conjunction with reality
Border space and other factors select flat-plate heat pipe area as big as possible, can farthest play flat-plate heat pipe uniform temperature
Characteristic improves heat dissipation performance.
The liquid absorbent wick 1 is fixedly installed on by fixed structure on the frequency converter 10, and the evaporating surface 3 with it is described
It is bonded by heat conductive silica gel between frequency converter 10, the two is structure-integrated, ensures the heat dissipation reliability of photovoltaic cooling equipment.
The photovoltaic centrifuge system further includes compressor 11, condenser 12 and fan coil 13, the compressor 11, institute
It states condenser 12 and the fan coil 13 is sequentially communicated to form refrigerant circulation channel, and the air-out direction of the fan coil 13
It is directed toward the cryosurface 4, secondary-working is carried out using the outlet air of fan coil 13, reduces consumption of the system to energy, also can
Enough utilize fan coil 13 that the cooling of former small evaporator and dehumidification function, coolant circulating system is replaced to be reduced to by three original tunnels
Two-way optimizes refrigerant distribution and system control.
The photovoltaic centrifuge system further includes frequency converter babinet, the frequency converter 10 and photovoltaic cooling equipment setting
It is directed toward the frequency converter babinet in the air-out direction of the frequency converter box house, the fan coil 13 so that fan coil
13 outlet air can be cooled down and dehumidified to the space of frequency converter babinet.
Refrigerant in the photovoltaic centrifuge system is R410A, and the conventional photovoltaic cooling equipment using R134A of comparison is more
Efficiently, the smaller condenser 12 of more low power compressor 11, volume and evaporator can be used, system cost and operating cost are all
It is reduced.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (13)
1. a kind of photovoltaic cools down equipment, it is characterised in that：Including liquid absorbent wick (1) and multiple fins (2), the liquid absorbent wick
(1) it is made of foam copper product, and is formed with evaporating surface (3) and cryosurface (4) on the liquid absorbent wick (1), all wings
Piece (2) is uniformly distributed on the cryosurface (4), and the evaporating surface (3) is bonded setting, the imbibition with photovoltaic cooling equipment is waited for
It is formed with accommodating chamber (5) in the middle part of core (1), is filled with heat-transfer working medium in the accommodating chamber (5), and the heat-transfer working medium can be
It is circulated between the evaporating surface (3) and the cryosurface (4) in the accommodating chamber (5).
2. photovoltaic according to claim 1 cools down equipment, it is characterised in that：It is vacuum state in the accommodating chamber (5), and
The volume of the heat-transfer working medium is less than the volume of the accommodating chamber (5).
3. photovoltaic according to claim 1 cools down equipment, it is characterised in that：The heat-transfer working medium is that mass concentration is
0.5% aluminium oxide nano fluid.
4. photovoltaic according to claim 1 cools down equipment, it is characterised in that：The cross section of the liquid absorbent wick (1) is length
Square structure, and the cryosurface (4) is in the upper surface of the rectangle structure, the evaporating surface (3) is in described rectangular
The lower surface of shape structure.
5. photovoltaic according to claim 1 cools down equipment, it is characterised in that：The photovoltaic cooling equipment further includes radiation air
Machine (6), the air-out direction of the cooling fan (6) is towards the cryosurface (4).
6. photovoltaic according to claim 5 cools down equipment, it is characterised in that：All fins (2) are in multi-column version point
It is distributed on the cryosurface (4), gas passage, the outlet air of the cooling fan (6) is formed between the adjacent two row fin (2)
Direction is identical as the direction of the gas passage.
7. photovoltaic according to claim 1 cools down equipment, it is characterised in that：The accommodating chamber (5) is internally provided with reinforcement
Muscle (7), the upper end of the reinforcing rib (7) are fixedly installed with the upper surface of the accommodating chamber (5), lower end and the accommodating chamber (5)
Lower surface fixed setting, and the reinforcing rib (7) is made of foam copper product.
8. a kind of photovoltaic centrifuge system, it is characterised in that：Described in any one of frequency converter (10) and claim 1 to 7
Photovoltaic cool down equipment, evaporating surface (3) fitting of photovoltaic cooling equipment is set on the frequency converter (10).
9. photovoltaic centrifuge system according to claim 8, it is characterised in that：The area of the evaporating surface (3) is more than institute
State the area for the side that frequency converter (10) is bonded with the evaporating surface (3).
10. photovoltaic centrifuge system according to claim 8, it is characterised in that：The liquid absorbent wick (1) passes through fixed knot
Structure is fixedly installed on the frequency converter (10), and passes through heat conductive silica gel between the evaporating surface (3) and the frequency converter (10)
Bonding.
11. photovoltaic centrifuge system according to claim 8, it is characterised in that：The photovoltaic centrifuge system further includes
Compressor (11), condenser (12) and fan coil (13), the compressor (11), the condenser (12) and the fan unit
Pipe (13) is sequentially communicated to form refrigerant circulation channel, and the air-out direction of the fan coil (13) is directed toward the cryosurface (4).
12. photovoltaic centrifuge system according to claim 11, it is characterised in that：The photovoltaic centrifuge system further includes
Frequency converter babinet, the frequency converter (10) and photovoltaic cooling equipment are set to the frequency converter box house, the wind turbine
The air-out direction of coil pipe (13) is directed toward the frequency converter babinet.
13. the photovoltaic centrifuge system according to any one of claim 8-12, it is characterised in that：The photovoltaic centrifuge
Refrigerant in system is R410A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889711.4U CN207948000U (en) | 2017-12-27 | 2017-12-27 | Photovoltaic cooling device and photovoltaic centrifuge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721889711.4U CN207948000U (en) | 2017-12-27 | 2017-12-27 | Photovoltaic cooling device and photovoltaic centrifuge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207948000U true CN207948000U (en) | 2018-10-09 |
Family
ID=63700968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721889711.4U Withdrawn - After Issue CN207948000U (en) | 2017-12-27 | 2017-12-27 | Photovoltaic cooling device and photovoltaic centrifuge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207948000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076616A (en) * | 2017-12-27 | 2018-05-25 | 珠海格力电器股份有限公司 | Photovoltaic cooling device and photovoltaic centrifuge system |
-
2017
- 2017-12-27 CN CN201721889711.4U patent/CN207948000U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108076616A (en) * | 2017-12-27 | 2018-05-25 | 珠海格力电器股份有限公司 | Photovoltaic cooling device and photovoltaic centrifuge system |
| CN108076616B (en) * | 2017-12-27 | 2023-09-08 | 珠海格力电器股份有限公司 | Photovoltaic centrifuge system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20230908 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20230908 |