CN203454295U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN203454295U CN203454295U CN201320468890.XU CN201320468890U CN203454295U CN 203454295 U CN203454295 U CN 203454295U CN 201320468890 U CN201320468890 U CN 201320468890U CN 203454295 U CN203454295 U CN 203454295U
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- heat exchanger
- cross valve
- air
- conditioning system
- controlled box
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Abstract
The utility model is suitable for the technical field of air conditioners, and discloses an air conditioning system. The air conditioning system comprises a compressor and a four-way valve and further comprises a first heat exchanger and a second heat exchanger, wherein the four-way valve comprises a first four-way valve and a second four-way valve, the compressor is connected with the first heat exchanger and the second heat exchanger through the first four-way valve and the second four-way valve respectively so that the first heat exchanger and the second heat exchanger are switched into an evaporator or a condenser according to requirements; the air conditioning system further comprises a first draught fan adjacent to the first heat exchanger; the air conditioning system further comprises an electric control box which is arranged adjacent to the first heat exchanger, and when the first heat exchanger is switched into the evaporator, heat generated by the electric control box is diffused rapidly. According to the air conditioning system, temperature of an electric control component and particularly a frequency conversion module can be effectively decreased, temperature of the electric control box is prevented from being overhigh, damage to the component in the electric control box caused by the overhigh temperature is prevented, and a product is high in reliability and long in service life.
Description
Technical field
The utility model belongs to air-conditioner technical field, relates in particular to a kind of air-conditioning system.
Background technology
Current air-conditioning system, is by outdoor fan, automatically controlled and frequency-variable module temperature to be dispelled the heat mostly, but for the three control air-conditioning systems that have two heat exchangers, because gas system both can be moved pure refrigeration, pure heating mode, also can move mixed mode.When system is moved the pure refrigeration mode of mixed mode and outdoor low temperature, at the heat exchanger of the same side, do condenser and system requirements outdoor fan stopping time with electric-controlled box, now in off-premises station automatically controlled components and parts particularly the heating of frequency-variable module can exceed standard-required, long-term operation, can cause the damage of appliance component, the reliability of product is low.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of air-conditioning system is provided, and the temperature that it can effectively reduce electric-controlled box prevents in electric-controlled box that components and parts damage because of excess Temperature, and product reliability is high, long service life.
The technical solution of the utility model is: a kind of air-conditioning system, comprise compressor and cross valve, also comprise First Heat Exchanger, the second heat exchanger, described cross valve comprises the first cross valve and the second cross valve, described compressor is connected with described the second heat exchanger with described First Heat Exchanger with the second cross valve by described the first cross valve, in order to as required First Heat Exchanger, the second heat exchanger are switched to evaporimeter or condenser; Described air-conditioning system also comprises first blower fan adjacent with described First Heat Exchanger; Described air-conditioning system also comprises electric-controlled box, the setting adjacent with described First Heat Exchanger of described electric-controlled box, and when described First Heat Exchanger is evaporimeter, the heat that the described electric-controlled box that comparatively fast sheds produces.
Alternatively, described air-conditioning system is three control air-conditioning systems.
Alternatively, in described electric-controlled box, be provided with frequency-variable module and for detection of the temperature sensor of described frequency-variable module temperature, while being provided with the temperature that detects according to described temperature sensor higher than setting value in described electric-controlled box, control described the first blower fan with the air-blower control module of high windscreen running, the setting adjacent with described frequency-variable module of described temperature sensor.
Alternatively, described cross valve also comprises the 3rd cross valve, between the off-premises station of described air-conditioning system and indoor set, pass through high-pressure liquid tube, low pressure muffler and high-pressure air pipe join, first of one end of described First Heat Exchanger and the first cross valve taken over and joined, first of one end of described the second heat exchanger and described the second cross valve taken over and joined, described First Heat Exchanger, the other end of the second heat exchanger joins with described high-pressure liquid tube respectively, second of described the first cross valve is taken over, second of described the second cross valve is taken over and the second exhaust outlet of taking over common and described compressor of described the 3rd cross valve joins, the 3rd of described the first cross valve is taken over, the 3rd of described the second cross valve is taken over and the 3rd adapter of described the 3rd cross valve is joined with described low pressure muffler jointly, the gas returning port of described compressor and described low pressure muffler join.
Alternatively, first of described the 3rd cross valve the adapter is joined with described high-pressure air pipe.
Alternatively, between the second adapter of second of described the first cross valve the adapter, described the second cross valve and the second adapter of described the 3rd cross valve and the exhaust outlet of described compressor, be provided with oil eliminator.
Alternatively, described the first blower fan is DC fan or AC blower fan.
Alternatively, described compressor is provided with at least two.
Alternatively, described air-conditioning system also comprises second blower fan adjacent with described the second heat exchanger.
A kind of air-conditioning system that the utility model provides, it controls described First Heat Exchanger and switches to evaporimeter when air-conditioning system is moved pure heating mode, mixed mode or pure refrigeration mode, can make the electric-controlled box can be under lower temperature environment, effectively to reduce the temperature of electric-controlled box, avoid electric-controlled box excess Temperature, prevent in electric-controlled box that components and parts damage because of excess Temperature, thus the reliability of carrying product high and extended service life of product.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the air-conditioning system that provides of the utility model embodiment when the pure refrigeration mode of non high temperature, pure heating mode, mixed mode;
Fig. 2 is the principle schematic of the air-conditioning system that provides of the utility model embodiment when the pure refrigeration mode of high temperature;
Fig. 3 is the principle schematic of the air-conditioning system that provides of the utility model embodiment when the pure refrigeration mode of non high temperature, pure heating mode, mixed mode.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As depicted in figs. 1 and 2, a kind of air-conditioning system that the utility model embodiment provides, comprise compressor 1 and cross valve, also comprise can do evaporimeter and condenser First Heat Exchanger 31, can make the second heat exchanger 32 of evaporimeter and condenser, described cross valve comprises the first cross valve 21 and the second cross valve 22, can be evaporimeter or condenser by each cross valve switching First Heat Exchanger 31 of control, the second heat exchanger 32 particularly.Described First Heat Exchanger 31 and described the second heat exchanger 32 are connected in described compressor 1 by described the first cross valve 21 and the second cross valve 22; Compressor 1 is connected with the second heat exchanger 32 with First Heat Exchanger 31 with the second cross valve 22 by the first cross valve 21, in order to as required First Heat Exchanger 31, the second heat exchanger 32 are switched to evaporimeter or condenser.Described air-conditioning system also comprise first blower fan 41 adjacent with described First Heat Exchanger 31 and with the second blower fan 42 of described the second heat exchanger 32 adjacent settings; Described air-conditioning system is also included in when described air-conditioning system is moved pure heating mode, mixed mode or pure refrigeration mode and controls the electric-controlled box 5 that described First Heat Exchanger 31 switches to evaporimeter, and each cross valve is all electrically connected on electric-controlled box 5.Described electric-controlled box 5 and the adjacent setting of described First Heat Exchanger 31, when First Heat Exchanger 31 is evaporimeter, the heat that the electric-controlled box 5 that comparatively fast sheds produces.Control described First Heat Exchanger 31 owing to moving pure heating mode, mixed mode or pure refrigeration mode in air-conditioning system and switch to evaporimeter.Like this, can make electric-controlled box 5 under lower temperature environment, effectively to reduce the temperature of electric-controlled box 5, avoid electric-controlled box 5 excess Temperatures, prevent that the interior components and parts of electric-controlled box 5 from damaging because of excess Temperature, product reliability is high.
Particularly, described air-conditioning system can be three control air-conditioning systems, can realize pure refrigeration mode (all indoor sets are all in refrigeration mode), pure heating mode (all indoor sets are all in refrigeration mode) and mixed mode (at least one indoor set in refrigeration mode and at least one indoor set in heating mode), and product with compact structure, cost is low.
Particularly, the first blower fan 41 has the windscreen of at least two corresponding different rotating speeds.In described electric-controlled box 5, be provided with frequency-variable module 6 and for detection of the temperature sensor 7 of described frequency-variable module 6 temperature, while being provided with the temperature that detects according to described temperature sensor 7 higher than setting value in described electric-controlled box 5, control described the first blower fan 41 with the air-blower control module of high windscreen running, described temperature sensor 7 and the adjacent setting of described frequency-variable module 6.During pure refrigeration mode in outdoor high temperature (referring to when outdoor temperature is equal to or higher than 35 ℃) situation, by regulating off-premises station windscreen to reduce temperature automatically controlled and frequency-variable module 6, by temperature sensor 7, detect frequency-variable module 6 temperature, when temperature is during higher than secure setting (can set according to actual conditions), force to improve the first blower fan 41 until the highest windscreen, thereby reduce electric-controlled box 5 interior appliance component 8, the particularly temperature of frequency-variable module 6.Can further effectively reduce the temperature of electric-controlled box 5, thereby improve reliability and the service life of appliance component.
Particularly, described cross valve also comprises the 3rd cross valve 23, described air-conditioning system comprises off-premises station and indoor set, between off-premises station and indoor set, pass through high-pressure liquid tube 91, low pressure muffler 92 and high-pressure air pipe 93 join, first of one end of described First Heat Exchanger 31 and the first cross valve 21 taken over and joined, first of one end of described the second heat exchanger 32 and described the second cross valve 22 taken over and joined, described First Heat Exchanger 31, the other end of the second heat exchanger 32 joins with described high-pressure liquid tube 91 respectively, second of described the first cross valve 21 is taken over, second of described the second cross valve 22 is taken over and the second exhaust outlet of taking over common and described compressor 1 of described the 3rd cross valve 23 joins, the 3rd of described the first cross valve 21 is taken over, the 3rd of described the second cross valve 22 is taken over and the 3rd adapter of described the 3rd cross valve 23 is joined with described low pressure muffler 92 jointly, the gas returning port of described compressor 1 and described low pressure muffler 92 join.First of the 3rd cross valve 23 is taken over high-pressure air pipe 93 and is joined.
Particularly, in the present embodiment, as shown in Figure 1, during for the pure refrigeration mode of non high temperature, pure heating mode, mixed mode, the first cross valve 21 powers on, the second cross valve 22 power down, the 3rd cross valve 23 can power on also can power down time, First Heat Exchanger 31 switches to evaporimeter, the second heat exchanger 32 switches to condenser, the first blower fan 41 runnings, electric-controlled box 5 good heat dissipation effect.In figure, arrow represents the flow direction of refrigerant.
As shown in Figure 2, during for the pure refrigeration mode of high temperature, the first cross valve 21 powers on, the second cross valve 22 powers on, during the 3rd cross valve 23 power down, First Heat Exchanger 31 switches to condenser, the second heat exchanger 32 switches to condenser, the first blower fan 41 turns round with top gear position under the control of temperature sensor 7, electric-controlled box 5 good heat dissipation effect.In figure, arrow represents the flow direction of refrigerant.
As shown in Figure 3, during for the pure refrigeration mode of non high temperature, pure heating mode, mixed mode, when the first cross valve 21 power down, the second cross valve 22 power down, the 3rd cross valve 23 power on, First Heat Exchanger 31 switches to evaporimeter, the second heat exchanger 32 switches to evaporimeter, the first blower fan 41 runnings, electric-controlled box 5 good heat dissipation effect.In figure, arrow represents the flow direction of refrigerant.
Particularly, between the second adapter of second of described the first cross valve 21 the adapter, described the second cross valve 22 and the second adapter of described the 3rd cross valve 23 and the exhaust outlet of described compressor 1, can be provided with oil eliminator (not shown).
Particularly, described the first blower fan 41, the second blower fan 42 can be DC fan or AC blower fan.
Particularly, described compressor 1 can be provided with at least two, and certainly, compressor 1 also can only be provided with one.
The present embodiment also provides a kind of control method of above-mentioned air-conditioning system, and described control method is included in described air-conditioning system while moving pure heating mode, mixed mode or pure refrigeration mode, controls described First Heat Exchanger 31 and switches to evaporimeter.Like this, can make electric-controlled box 5 under lower temperature environment, effectively to reduce the temperature of electric-controlled box 5, avoid electric-controlled box 5 excess Temperatures, prevent that the interior components and parts of electric-controlled box 5 from damaging because of excess Temperature, product reliability is high.When system is moved pure heating mode, mix while touching the pure refrigeration mode of formula and outdoor low temperature (outdoor temperature is lower than 35 ℃), by regulating the state of First Heat Exchanger 31 to reduce the temperature of automatically controlled and frequency-variable module 6, with the First Heat Exchanger 31 of electric-controlled box 5 the same sides all the time as evaporimeter, and the first corresponding blower fan 41 is all the time in opening, allow so outdoor electric-controlled box 5 all the time in the environment in a kind of low temperature, and there is all the time the first blower fan 41 to carry out forced heat-exchanging cooling, can effectively take away the heat that appliance component produces when particularly frequency-variable module 6 temperature are worked.Concrete application, forces First Heat Exchanger 31 as evaporimeter by regulating the state of each cross valve to realize, and the second heat exchanger 32 can regulate and switch to evaporimeter or condenser according to actual conditions.
In the present embodiment, when described First Heat Exchanger 31 switches to evaporimeter, control described the first blower fan 41 and open, further to reduce the temperature of appliance component 8 in electric-controlled box 5.
Particularly, described pure refrigeration mode is the pure refrigeration mode of outdoor temperature during lower than 35 ℃.If outdoor temperature is during higher than 35 ℃, when the pure refrigeration mode of described air-conditioning system operation high temperature, control described First Heat Exchanger 31, the second heat exchanger 32 switches to condenser, by detecting the temperature of described electric-controlled box 5, control described the first blower fan 41 or/and described the second blower fan 42 moves with high windscreen, force the windscreen that improves the first blower fan 41 until the highest windscreen, thereby reduce the particularly temperature of frequency-variable module 6 of electric-controlled box 5, can effectively reduce the operating temperature of electric-controlled box 5, thereby improve reliability and the service life of appliance component.
A kind of air-conditioning system that the utility model provides, when air-conditioning system is moved pure heating mode, mixed while touching the pure refrigeration mode of formula and outdoor low temperature, by the state of conditioning chamber external heat exchanger, reduce the temperature of automatically controlled and frequency-variable module, with the heat exchanger of electric-controlled box 5 the same sides all the time as evaporimeter, and corresponding blower fan is all the time in opening, allow like this electric-controlled box 5 all the time in the environment in low temperature, and there is all the time blower fan to carry out forced heat-exchanging cooling to it, effectively take away the heat that appliance component 8 produces when particularly frequency-variable module temperature is worked; When air-conditioning system is moved the pure refrigeration mode in outdoor high temperature situation, by regulating off-premises station windscreen to reduce the temperature of automatically controlled and frequency-variable module, by temperature sensor 7, detect the temperature of frequency-variable module 6, when temperature is during higher than secure setting, force to improve off-premises station windscreen until the highest windscreen, thereby reduce the particularly temperature of frequency-variable module 6 of electric-controlled box 5.Therefore, by above-mentioned 2 points, effectively reduced the temperature of electric-controlled box 5, thereby improved reliability and the service life of appliance component 8.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air-conditioning system, comprise compressor and cross valve, it is characterized in that, also comprise First Heat Exchanger, the second heat exchanger, described cross valve comprises the first cross valve and the second cross valve, described compressor is connected with described the second heat exchanger with described First Heat Exchanger with the second cross valve by described the first cross valve, in order to as required First Heat Exchanger, the second heat exchanger are switched to evaporimeter or condenser; Described air-conditioning system also comprises first blower fan adjacent with described First Heat Exchanger; Described air-conditioning system also comprises electric-controlled box, the setting adjacent with described First Heat Exchanger of described electric-controlled box, and when described First Heat Exchanger is evaporimeter, the heat that the described electric-controlled box that comparatively fast sheds produces.
2. air-conditioning system as claimed in claim 1, it is characterized in that, in described electric-controlled box, be provided with temperature sensor, while being provided with the temperature that detects according to described temperature sensor higher than setting value in described electric-controlled box, control described the first blower fan with the air-blower control module of high windscreen running.
3. air-conditioning system as claimed in claim 1, is characterized in that, described air-conditioning system is three control air-conditioning systems.
4. air-conditioning system as claimed in claim 1, is characterized in that, in described electric-controlled box, is provided with frequency-variable module, the setting adjacent with described frequency-variable module of described temperature sensor.
5. air-conditioning system as claimed in claim 1, it is characterized in that, described cross valve also comprises the 3rd cross valve, between the off-premises station of described air-conditioning system and indoor set, pass through high-pressure liquid tube, low pressure muffler and high-pressure air pipe join, first of one end of described First Heat Exchanger and the first cross valve taken over and joined, first of one end of described the second heat exchanger and described the second cross valve taken over and joined, described First Heat Exchanger, the other end of the second heat exchanger joins with described high-pressure liquid tube respectively, second of described the first cross valve is taken over, second of described the second cross valve is taken over and the second exhaust outlet of taking over common and described compressor of described the 3rd cross valve joins, the 3rd of described the first cross valve is taken over, the 3rd of described the second cross valve is taken over and the 3rd adapter of described the 3rd cross valve is joined with described low pressure muffler jointly, the gas returning port of described compressor and described low pressure muffler join.
6. air-conditioning system as claimed in claim 5, is characterized in that, first of described the 3rd cross valve is taken over described high-pressure air pipe and joined.
7. air-conditioning system as claimed in claim 5, is characterized in that, between the second adapter of the second adapter of described the first cross valve, described the second cross valve and the second adapter of described the 3rd cross valve and the exhaust outlet of described compressor, is provided with oil eliminator.
8. the air-conditioning system as described in any one in claim 1 to 7, is characterized in that, described the first blower fan is DC fan or AC blower fan.
9. the air-conditioning system as described in any one in claim 1 to 7, is characterized in that, described compressor is provided with at least two.
10. the air-conditioning system as described in any one in claim 1 to 7, is characterized in that, described air-conditioning system also comprises second blower fan adjacent with described the second heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468890.XU CN203454295U (en) | 2013-08-01 | 2013-08-01 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468890.XU CN203454295U (en) | 2013-08-01 | 2013-08-01 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203454295U true CN203454295U (en) | 2014-02-26 |
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ID=50134164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320468890.XU Expired - Fee Related CN203454295U (en) | 2013-08-01 | 2013-08-01 | Air conditioning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203454295U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344474A (en) * | 2013-08-01 | 2015-02-11 | 广东美的暖通设备有限公司 | Air conditioner system and control method thereof |
| CN104976837A (en) * | 2014-04-11 | 2015-10-14 | 广东美的暖通设备有限公司 | Air conditioner |
| CN105115066A (en) * | 2015-09-07 | 2015-12-02 | 海信（广东）空调有限公司 | Variable frequency air conditioner outdoor machine |
-
2013
- 2013-08-01 CN CN201320468890.XU patent/CN203454295U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344474A (en) * | 2013-08-01 | 2015-02-11 | 广东美的暖通设备有限公司 | Air conditioner system and control method thereof |
| CN104976837A (en) * | 2014-04-11 | 2015-10-14 | 广东美的暖通设备有限公司 | Air conditioner |
| CN104976837B (en) * | 2014-04-11 | 2017-07-28 | 广东美的暖通设备有限公司 | Air conditioner |
| CN105115066A (en) * | 2015-09-07 | 2015-12-02 | 海信（广东）空调有限公司 | Variable frequency air conditioner outdoor machine |
| CN105115066B (en) * | 2015-09-07 | 2018-03-30 | 海信（广东）空调有限公司 | A kind of frequency-variable air conditioner outdoor machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |