CN203633037U - Heating power device cooling system - Google Patents
Heating power device cooling system Download PDFInfo
- Publication number
- CN203633037U CN203633037U CN201320743892.5U CN201320743892U CN203633037U CN 203633037 U CN203633037 U CN 203633037U CN 201320743892 U CN201320743892 U CN 201320743892U CN 203633037 U CN203633037 U CN 203633037U
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- CN
- China
- Prior art keywords
- heating power
- power device
- evaporator
- injector
- cooling system
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- 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.)
- Expired - Lifetime
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 239000003507 refrigerant Substances 0.000 claims abstract description 29
- 238000004378 air conditioning Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000000034 method 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model provides a heating power device cooling system comprising an air conditioning unit. The air conditioning unit comprises a compressor, a condenser, a throttling component and an evaporator. An ejector is further comprised. The second refrigerant outflow port of the condenser is connected with the high-pressure inlet of the ejector. The liquid refrigerant outflow port of the evaporator is connected with the low-pressure inlet of the ejector. The outlet of the ejector is connected with the evaporator second air suction port or the compressor air suction port. The heat conduction relationship exists between the pipeline between the outlet of the ejector and the evaporator second air suction port or the pipeline between the outlet of the ejector and the compressor air suction port and the heating power device. According to the cooling system described in the utility model, the low-temperature and low-pressure refrigerant in the evaporator is directly guided to a position near the heating power device through the ejector to cool the heating power device, the heating power device does not need to be cooled after performing throttling on the refrigerant through a throttling element, so advantage of simple system control and stable and reliable operation can be realized.
Description
Technical field
The utility model relates to a kind of refrigeration cooling system, particularly a kind of heating power device cooling system.
Background technology
Current, for the refrigerating units with photovoltaic generating system, it is cooling or adopt air-cooled that the Important Components such as the inversion of frequency converter, rectification module and reactor are quoted the refrigerant of refrigerating system itself conventionally.Fig. 1 be commonly use quote the refrigerating system coolant circulation schematic diagram cooling to heating power device.In unit running process, flow into evaporator from a high-pressure liquid refrigerant part for condenser through refrigeration main road and carry out heat exchange, another part enters refrigeration bypass, after throttling, be respectively used to inversion, rectification module and the reactor of cooling frequency converter, refrigerant after heat absorption evaporation flows into evaporator, merges with the circulation main road of refrigerating system.Such type of cooling needs complicated throttling arrangement, in order to guarantee module temperature, general electric expansion valve or the heating power expansion valve of adopting is as restricting element (choke valve 1, choke valve 2 and choke valve 3), electric expansion valve and heating power expansion valve easily machinery are stuck, cause the temperature anomaly of inversion, rectification module and the reactor of frequency converter to cause damage.
In addition,, although air-cooled technology can not be subject to the constraint of refrigerating units startup-shutdown, if only frequency converter is dispelled the heat by fan, also there is following problems:
1. because cooling load demand is large, cause blower fan volume large, cause frequency converter overall volume bigger than normal;
2. Wind Volume causes fan noise bigger than normal;
3. laying dust problem exerts an influence to the reliability of appliance component.
4. cooling blower modulability is poor, and energy consumption is high, not energy-conservation.
5. blower fan air draft causes unit installation environment temperature to raise, and need to increase corresponding air-conditioning system to machine room.
Summary of the invention
For overcoming defect of the prior art, solve the problems of the technologies described above, the utility model provides a kind of heating power device cooling system, system utilizes injector directly will near the low-temp low-pressure refrigerant introducing heating power device in evaporator, heating power device to be lowered the temperature, after not needing to utilize restricting element to coolant throttle, again heating power device is lowered the temperature, system control is simple, stable and reliable operation.
The utility model is achieved through the following technical solutions:
Heating power device cooling system, comprise air-conditioning unit, described air-conditioning unit comprises compressor, condenser, throttle part and evaporator, also include injector, the second refrigerant flow export of described condenser is connected with the high pressure entry of injector, the liquid refrigerants flow export of described evaporator is connected with the low-pressure inlet of injector, the outlet of injector is connected with evaporator the second air entry or compressor air suction mouth, there is thermally conductive relation in pipeline and described heating power device between the pipeline between the outlet of injector and evaporator the second air entry or outlet and the compressor air suction mouth of injector.
Preferably, on the pipeline between the second refrigerant flow export and the high pressure entry of injector of described condenser, be provided with electromagnetically operated valve.
Preferably, described evaporator is shell and tube exchanger.
Preferably, described heating power device comprises inversion module, rectification module and reactance module.
Adopt after said structure, air-conditioning system of the present utility model has the following advantages:
1, heating power device saves air cooling system, and frequency converter assembly overall volume reduces, and noise is low.
2, utilize the refrigerant of refrigerating units self to complete kind of refrigeration cycle, frequency converter is closed environment, and inner clean, service life is long.
3, the refrigerant that cooling heating power device is used, without carrying out throttling with restricting element, is controlled simply, and system run all right is reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in the utility model embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the connection diagram of prior art heating power device cooling system;
Fig. 2 is the connection diagram of heating power device cooling system of the present utility model.
Embodiment
As shown in Figure 2, the utility model provides a kind of heating power device cooling system, comprise air-conditioning unit, described air-conditioning unit comprises compressor 1, condenser 2, throttle part 3 and evaporator 4, also include injector 6, the second refrigerant flow export of described condenser 2 is connected with the high pressure entry of injector 6, the liquid refrigerants flow export of described evaporator 4 is connected with the low-pressure inlet of injector 6, the outlet of injector 6 is connected with evaporator 4 second air entries or compressor 1 air entry, there is thermally conductive relation in pipeline and described heating power device between the pipeline between the outlet of injector 6 and evaporator 4 second air entries or outlet and compressor 1 air entry of injector 6.In the present embodiment, the outlet of injector 6 is connected with evaporator 4 second air entries, employing be for there is thermally conductive relation with heating power device by the line arrangement between the outlet of injector 6 and evaporator 4 second air entries.
For the ease of accurately controlling heating power device, allow its temperature stabilization within the specific limits, on the pipeline between the second refrigerant flow export and the high pressure entry of injector of described condenser, be provided with electromagnetically operated valve 5.
Described evaporator is shell and tube exchanger.
Described heating power device comprises inversion module 7, rectification module 8 and reactance module 9.
Heating power device cooling system of the present utility model is in the time of normal work (not needing heating power device to carry out cooling), the closed electromagnetic valve arranging on pipeline between the second refrigerant flow export and the high pressure entry of injector of condenser, air-conditioning unit moves according to common mode, be after compressor compresses refrigerant, compression refrigerant is entered to condenser, condenser to refrigerant condensation after, after restricting element throttling, enter evaporator and carry out evaporative cooling, the cold media gas that finally becomes low-temp low-pressure enters compressor from compressor air suction mouth, complete a circulation.
When needs carry out when cooling heating power device, the electromagnetically operated valve arranging on pipeline between the second refrigerant flow export and the high pressure entry of injector of condenser is opened, air-conditioning unit is except normally moving in the manner described above, because electromagnetically operated valve is opened, part high pressure refrigerant in condenser enters injector from the high pressure entry of injector, according to injector operation principle, low temperature liquid refrigerant in evaporator flows out from the liquid refrigerants flow export of evaporator, flow into injector from the low-pressure inlet of injector, mixing with the high pressure refrigerant flowing into from high pressure entry, flow out from the outlet of injector, after the heating power device of flowing through is neighbouring, flow into the second air entry of evaporator, owing to for there is thermally conductive relation with heating power device in the line arrangement between outlet and evaporator second air entry of injector, can lower the temperature to heating power device.When the temperature of heating power device is down in preset range, closed electromagnetic valve, air-conditioning unit only retains normal mode of operation.
In the present embodiment, heating power device comprises inversion module, rectification module and reactance module, the refrigerant flowing out from injector outlet is divided into three branch roads, every branch road is arranged to respectively have thermally conductive relation with inversion module, rectification module and reactance module, each branch road remerges Cheng Yilu after each heating module flowing through, and finally enters evaporator from the second air entry of evaporator.
Above air-conditioning system provided by the utility model is described in detail.Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.For example by first throttle device with after the second throttling arrangement parallel connection, connect with the 3rd throttling arrangement again etc., all should fall in the protection range of the utility model claim.
Claims (4)
1. heating power device cooling system, comprise air-conditioning unit, described air-conditioning unit comprises compressor, condenser, throttle part and evaporator, it is characterized in that, also include injector, the second refrigerant flow export of described condenser is connected with the high pressure entry of injector, the liquid refrigerants flow export of described evaporator is connected with the low-pressure inlet of injector, the outlet of injector is connected with evaporator the second air entry or compressor air suction mouth, there is thermally conductive relation in pipeline and described heating power device between the pipeline between the outlet of injector and evaporator the second air entry or outlet and the compressor air suction mouth of injector.
2. heating power device cooling system according to claim 1, is characterized in that: on the pipeline between the second refrigerant flow export and the high pressure entry of injector of described condenser, be provided with electromagnetically operated valve.
3. heating power device cooling system according to claim 1, is characterized in that: described evaporator is shell and tube exchanger.
4. heating power device cooling system according to claim 1, is characterized in that: described heating power device comprises inversion module, rectification module and reactance module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743892.5U CN203633037U (en) | 2013-11-21 | 2013-11-21 | Heating power device cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320743892.5U CN203633037U (en) | 2013-11-21 | 2013-11-21 | Heating power device cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203633037U true CN203633037U (en) | 2014-06-04 |
Family
ID=50819472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320743892.5U Expired - Lifetime CN203633037U (en) | 2013-11-21 | 2013-11-21 | Heating power device cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203633037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640420A (en) * | 2013-11-21 | 2015-05-20 | 珠海格力电器股份有限公司 | Cooling system of heating power device |
| CN109891165A (en) * | 2017-10-06 | 2019-06-14 | 日立江森自控空调有限公司 | Air conditioner |
-
2013
- 2013-11-21 CN CN201320743892.5U patent/CN203633037U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640420A (en) * | 2013-11-21 | 2015-05-20 | 珠海格力电器股份有限公司 | Cooling system of heating power device |
| CN109891165A (en) * | 2017-10-06 | 2019-06-14 | 日立江森自控空调有限公司 | Air conditioner |
| CN109891165B (en) * | 2017-10-06 | 2021-05-04 | 日立江森自控空调有限公司 | Air conditioner |
| US11231185B2 (en) | 2017-10-06 | 2022-01-25 | Hitachi-Johnson Controls Air Conditioning, Inc. | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |