CN203522509U - Converter cooling system and air conditioning unit with same - Google Patents
Converter cooling system and air conditioning unit with same Download PDFInfo
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- CN203522509U CN203522509U CN201320705989.7U CN201320705989U CN203522509U CN 203522509 U CN203522509 U CN 203522509U CN 201320705989 U CN201320705989 U CN 201320705989U CN 203522509 U CN203522509 U CN 203522509U
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- Prior art keywords
- cooler
- current transformer
- cooling system
- converter
- cooling device
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- 238000001816 cooling Methods 0.000 title claims abstract description 116
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000010622 cold drawing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003507 refrigerant Substances 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
The utility model provides a converter cooling system and have this converter cooling system's air conditioning unit. The converter cooling system comprises a converter cooling device, a compressor, a condenser and a temperature regulator, wherein the converter cooling device, the compressor and the condenser are arranged on the same loop, and the temperature regulator is connected with the converter cooling device in parallel and used for regulating the temperature of the converter cooling device. According to the utility model discloses a converter cooling system and have this converter cooling system's air conditioning unit can improve the cooling effect to the converter.
Description
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of cooling system for converter and have the air-conditioning unit of this cooling system for converter.
Background technology
Along with the needs of rise and the energy-saving and emission-reduction of new energy technology, the domestic air conditioning that has occurred utilizing photovoltaic generation power supply is at present business air conditioner even, as patent CN201210218407.2 discloses a kind of photovoltaic air-conditioning system.Air-conditioning unit is powered by solar battery array or is combined power supply by civil power with solar cell, and when air-conditioning unit does not need to power, solar battery array generates electricity by way of merging two or more grid systems by the grid-connected module of commutation inversion (current transformer).
Current, for the refrigeration air-conditioner unit with photovoltaic system, it is cooling or adopt water-cooled/air-cooled that the Important Components such as the inversion of current transformer, rectification module and reactor are quoted the refrigerant of refrigerating system itself conventionally.The circulation schematic diagram that conventional employing refrigerating system coolant is cooling.In air-conditioning unit running process, from the high-pressure liquid refrigerant of condenser, after throttling, be respectively used to inversion, rectification module and the reactor of cooling current transformer, refrigerant return-air after heat absorption evaporation flows into evaporator, merges with the refrigerating system circulation main road of refrigeration air conditioner.In this structure, when normally moving, refrigeration air-conditioner unit can guarantee the normally cooling of photovoltaic current transformer.But, when refrigeration air-conditioner unit, to close and photovoltaic generating system while normally moving, photovoltaic current transformer, due to work heating and without cooling, causes photovoltaic current transformer to move bad.
The Important Components such as the inversion of current transformer, rectification module and reactor adopt water-cooled or air-cooled conventionally.Mainly there is following problem in air-cooled technology: cooling load demand is large, requires air quantity large, causes blower fan volume large, and whole current transformer overall volume is bigger than normal, and Wind Volume causes fan noise bigger than normal; Laying dust problem exerts an influence to the reliability of appliance component; Blower fan air draft causes unit installation environment temperature to raise, and need to increase corresponding air-conditioning system to machine room.Mainly there is following problems in Water Cooling Technology: needs outer collecting system of water; The easy fouling of water, causes heat transfer effect variation; The conductance of water is high, once pipeline leaks, will cause short circuit, causes the damage of electronic devices and components.Therefore water-cooled or air-cooled cooling effect are unsatisfactory.
Utility model content
The utility model aims to provide a kind of cooling system for converter and has the air-conditioning unit of this cooling system for converter, to solve the poor problem of the cooling effect of cooling system for converter in prior art.
To achieve these goals, according to an aspect of the present utility model, a kind of cooling system for converter is provided, this cooling system for converter comprises current transformer cooling device, compressor, condenser and thermoregulator, wherein, current transformer cooling device, compressor and condenser are arranged on the same circuit, and thermoregulator is in parallel with current transformer cooling device, and the temperature of current transformer cooling device is regulated.
Further, the first end of thermoregulator is provided with the first adjuster valve that the amount of the fluid of thermoregulator outflow is regulated.
Further, current transformer cooling device comprises inversion module cooler, rectification module cooler and reactor cooler, inversion module cooler, rectification module cooler and the series connection of reactor cooler.
Further, inversion module cooler, rectification module cooler and the series connection of reactor cooler form assembly, and the first end of assembly is provided with the second adjuster valve regulating entering the amount of the fluid of assembly.
Further, current transformer cooling device comprises inversion module cooler, rectification module cooler and reactor cooler, and inversion module cooler, rectification module cooler and reactor cooler are in parallel.
Further, the first end of inversion module cooler, rectification module cooler and reactor cooler is provided with the 3rd adjuster valve.
Further, on current transformer cooling device, be provided with temperature sensor.
Further, inversion module cooler and rectification module cooler are cold drawing, and reactor cooler is the cooling water pipe that is wrapped in current transformer reactor periphery.
Further, thermoregulator is evaporator.
According on the other hand of the present utility model, a kind of air-conditioning unit is provided, this air-conditioning unit comprises air conditioner and cooling system for converter, and cooling system for converter is above-mentioned cooling system for converter, and cooling system for converter is independent of the cooling cycle system of air conditioner.
Application the technical solution of the utility model, cooling system for converter comprises current transformer cooling device, compressor, condenser and thermoregulator, wherein, current transformer cooling device, compressor and condenser are arranged on the same circuit, and thermoregulator is in parallel with current transformer cooling device, and the temperature of current transformer cooling device is entered to regulate.In the utility model, because current transformer cooling device, compressor and condenser are connected to form a loop, in loop, pass into after refrigerant, compressor and condenser can carry out cooling processing to the refrigerant in pipeline, when the refrigerant after processing is flowed through current transformer cooling device, can carry out cooling processing to the current transformer being arranged on current transformer cooling device, meanwhile, the thermoregulator in parallel with current transformer cooling device can regulate the temperature of current transformer cooling device, the cooling effect of raising system to current transformer.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the annexation figure of cooling system for converter of the present utility model.
Description of reference numerals:
10, current transformer cooling device; 11, inversion module cooler; 12, rectification module cooler; 13, reactor cooler; 20, compressor; 30, condenser; 40, thermoregulator; 50, the first adjuster valve; 60, the 3rd adjuster valve.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Shown in Figure 1, according to embodiment of the present utility model, cooling system for converter comprises current transformer cooling device 10, compressor 20, condenser 30 and thermoregulator 40, wherein, current transformer cooling device 10, compressor 20 and condenser 30 are arranged on the same circuit, and thermoregulator 40 is in parallel with current transformer cooling device 10, and the temperature of current transformer cooling device 10 is entered to regulate.In the present embodiment, because current transformer cooling device 10, compressor 20 and condenser 30 are connected to form a loop, in loop, pass into after refrigerant, compressor 20 and condenser 30 can carry out cooling processing to the refrigerant in pipeline, when the refrigerant after processing is flowed through current transformer cooling device 10, can carry out cooling processing to the current transformer being arranged on current transformer cooling device 10, meanwhile, the thermoregulator 40 in parallel with current transformer cooling device 10 can regulate the temperature of current transformer cooling device 10, the cooling effect of raising system to current transformer.
Preferably, the thermoregulator 40 in the present embodiment is evaporator, simple in structure, is easy to realize the adjusting to refrigerant temperature.
Preferably, the first end of thermoregulator 40 is provided with the first adjuster valve 50 that the amount of the fluid of thermoregulator 40 outflows is regulated, when current transformer cooling device 10 too high or too low for temperature, regulate the aperture of the first adjuster valve 50, can control the cold medium flux in loop, thereby the chilling temperature of current transformer cooling device 10 is controlled accurately.
Refer again to shown in Fig. 1, current transformer cooling device 10 in the present embodiment comprises inversion module cooler 11, rectification module cooler 12 and reactor cooler 13, and inversion module cooler 11, rectification module cooler 12 and 13 parallel connections of reactor cooler, refrigerant Fen San road in loop is carried out cooling to current transformer cooling device 10, improved the cooling rate of cooling system.Preferably, the first end of inversion module cooler 11, rectification module cooler 12 and reactor cooler 13 is provided with the 3rd adjuster valve 60, can to entering the amount of the refrigerant of current transformer cooling device 10, carry out regulation and control according to the temperature of current transformer cooling device 10.
In other embodiments, current transformer cooling device 10 comprises inversion module cooler 11, rectification module cooler 12 and reactor cooler 13, inversion module cooler 11, rectification module cooler 12 and 13 series connection of reactor cooler.Preferably, inversion module cooler 11, rectification module cooler 12 and 13 series connection of reactor cooler form assembly, the first end of this assembly is provided with the second adjuster valve (not shown) regulating entering the amount of the fluid of this assembly, to entering the amount of the refrigerant of current transformer cooling device 10, controls.
Preferably, on current transformer cooling device 10, be provided with temperature sensor (not shown), temperature sensor can carry out real-time observing and controlling to the temperature of current transformer cooling device 10, is convenient to the flow that each above-mentioned adjuster valve regulates the refrigerant in pipeline, realizes the accurate control to cooling system.In practical application, temperature sensor can also be arranged on current transformer, accurately control the cooling effect of cooling system for converter to current transformer.In the utility model, each adjuster valve can adopt multi-form choke valve, as capillary, restricting orifice (fixing or variable), heating power expansion valve, electric expansion valve etc.Wherein, the first adjuster valve 50 is contrary with the regulative mode of the second adjuster valve and the 3rd adjuster valve 60, jointly the chilling temperature of current transformer cooling device 10 is accurately controlled.
In the present embodiment, inversion module cooler 11 and rectification module cooler 12 are cold drawing, and cold drawing is the inner metallic plate that is provided with refrigerant circulation duct, and reactor cooler 13 is for being wrapped in the cooling water pipe of current transformer reactor periphery.In use procedure, the inversion module of current transformer and rectification module are sticked on cold drawing, now the pipeline on loop is through cold drawing, be convenient to inversion module and rectification module to carry out cooling, and current transformer reactor is subject to the restriction of itself structure, cannot be sticked on cold drawing, therefore reactor cooler 13 is set to be wrapped in the cooling water pipe of current transformer reactor periphery, while having refrigerant to flow in pipeline, adopt refrigerant to carry out cooling to reactor.
According to another embodiment of the present utility model, a kind of air-conditioning unit is provided, this air-conditioning unit comprises air conditioner and cooling system for converter, and this cooling system for converter is above-mentioned cooling system for converter, and cooling system for converter is independent of the cooling cycle system of air conditioner.When air conditioner is shut down, the operating state of cooling system for converter can not be affected.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
(1) current transformer saves air cooling system, and the volume of current transformer is little, and noise is low.
(2) the coolant refrigeration circulation that utilizes the pipelines such as refrigerant compressor, condenser, pipeline and current transformer to form, current transformer is closed environment, inner clean, service life is long.
(3) evaporator arranges the regulating power that has improved system, temperature that can more accurate current transformer.Particularly, for external invariable frequency compressor, ability cannot regulate, and for current transformer, its load variations is very large, increases an evaporator and can promote to greatest extent regulating power.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a cooling system for converter, it is characterized in that, comprise current transformer cooling device (10), compressor (20), condenser (30) and thermoregulator (40), wherein, described current transformer cooling device (10), described compressor (20) and described condenser (30) are arranged on the same circuit, and described thermoregulator (40) is in parallel with described current transformer cooling device (10), and the temperature of described current transformer cooling device (10) is regulated.
2. cooling system for converter according to claim 1, is characterized in that, the first end of described thermoregulator (40) is provided with the first adjuster valve (50) that the amount of the fluid of described thermoregulator (40) outflow is regulated.
3. cooling system for converter according to claim 1, it is characterized in that, described current transformer cooling device (10) comprises inversion module cooler (11), rectification module cooler (12) and reactor cooler (13), described inversion module cooler (11), described rectification module cooler (12) and described reactor cooler (13) series connection.
4. cooling system for converter according to claim 3, it is characterized in that, described inversion module cooler (11), described rectification module cooler (12) and described reactor cooler (13) series connection form assembly, and the first end of described assembly is provided with the second adjuster valve regulating entering the amount of the fluid of described assembly.
5. cooling system for converter according to claim 1, it is characterized in that, described current transformer cooling device (10) comprises inversion module cooler (11), rectification module cooler (12) and reactor cooler (13), described inversion module cooler (11), described rectification module cooler (12) and described reactor cooler (13) parallel connection.
6. cooling system for converter according to claim 5, is characterized in that, the first end of described inversion module cooler (11), described rectification module cooler (12) and described reactor cooler (13) is provided with the 3rd adjuster valve (60).
7. according to the cooling system for converter described in any one in claim 1 to 6, it is characterized in that, on described current transformer cooling device (10), be provided with temperature sensor.
8. according to the cooling system for converter described in claim 3 or 5, it is characterized in that, described inversion module cooler (11) and described rectification module cooler (12) are cold drawing, and described reactor cooler (13) is for being wrapped in the cooling water pipe of current transformer reactor periphery.
9. according to the cooling system for converter described in any one in claim 1 to 6, it is characterized in that, described thermoregulator (40) is evaporator.
10. an air-conditioning unit, comprise air conditioner and cooling system for converter, it is characterized in that, described cooling system for converter is the cooling system for converter described in any one in claim 1 to 9, and described cooling system for converter is independent of the cooling cycle system of described air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705989.7U CN203522509U (en) | 2013-11-08 | 2013-11-08 | Converter cooling system and air conditioning unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705989.7U CN203522509U (en) | 2013-11-08 | 2013-11-08 | Converter cooling system and air conditioning unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522509U true CN203522509U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705989.7U Expired - Lifetime CN203522509U (en) | 2013-11-08 | 2013-11-08 | Converter cooling system and air conditioning unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546045A (en) * | 2016-11-21 | 2017-03-29 | 珠海格力电器股份有限公司 | Frequency converter cooling device, air conditioning unit and control method |
-
2013
- 2013-11-08 CN CN201320705989.7U patent/CN203522509U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546045A (en) * | 2016-11-21 | 2017-03-29 | 珠海格力电器股份有限公司 | Frequency converter cooling device, air conditioning unit and control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |