CN209763339U - Fresh air conditioning unit with defrosting function - Google Patents
Fresh air conditioning unit with defrosting function Download PDFInfo
- Publication number
- CN209763339U CN209763339U CN201920012633.2U CN201920012633U CN209763339U CN 209763339 U CN209763339 U CN 209763339U CN 201920012633 U CN201920012633 U CN 201920012633U CN 209763339 U CN209763339 U CN 209763339U
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- fresh air
- evaporative condenser
- evaporator
- conditioning unit
- defrosting function
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model discloses a fresh air conditioning unit with defrosting function, the load simulator comprises a case, be provided with the compressor through four interface connection of cross valve in the machine case, evaporative condenser and evaporimeter are provided with spray set an and spray set b respectively, and evaporative condenser and evaporimeter are connected with exhaust fan and forced draught blower respectively, machine case both sides are provided with air exit and supply-air outlet respectively with the corresponding position of exhaust fan and forced draught blower, machine case lateral wall is close to its middle part and is provided with fresh wind gap an and fresh wind gap b respectively, machine case middle part is provided with the baffle and separates fresh wind gap an and fresh wind gap b completely, and be provided with the exhaust valve between fresh wind gap an and the fresh wind gap b, machine roof portion is provided with the return air inlet. The utility model can effectively solve the problem of high temperature protection shutdown of the evaporative condenser; meanwhile, the frost layer on the surface of the evaporative condenser can be effectively removed, and the use requirements of users in different temperature environments are met.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a fresh air conditioning unit with defrosting function is related to.
Background
The existing air conditioner is an indispensable part of a home, and the air conditioner is an air conditioner and can adjust the temperature, the humidity, the air flow speed, the cleanliness and the like of air in a space. However, people mostly adjust the temperature, and with the improvement of living standard, people not only pursue the traditional refrigeration air conditioner, but also use the cooling and heating dual air conditioner, and even turn on the air conditioner in excessive seasons. When the air conditioner heats, outdoor heat is transmitted to the indoor, the surface temperature of the evaporator is lower than the outdoor environment temperature, a frosting phenomenon can be generated, if the air conditioner is not defrosted timely after frosting, the use of the air conditioner can be influenced, and the water flushing frost effect is better than the defrosting effect of hot refrigerant steam, and the air conditioner has the advantages of short time, simple operation and convenient management. The air conditioner also faces a huge challenge, under the global greenhouse effect and high-temperature weather in summer, the high-temperature protection of the condenser of the air conditioner is more and more frequent, so that people cannot use the air conditioner in the hottest weather, and the problem of the high-temperature protection of the condenser is urgently solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fresh air conditioning unit with defrosting function has solved the high temperature protection problem of condenser.
The utility model adopts the technical proposal that a fresh air conditioning unit with defrosting function comprises a case, a compressor, an evaporative condenser and an evaporator which are connected by four interfaces of a four-way valve are arranged in the case, the outlet of the compressor is communicated with the evaporative condenser by the four-way valve, the inlet of the compressor is communicated with the evaporator by the four-way valve, the evaporative condenser and the evaporator are connected by an expansion valve through a pipeline, the evaporative condenser and the evaporator are respectively provided with a spraying device a and a spraying device b, the evaporative condenser and the evaporator are respectively connected with an exhaust fan and a blower, the two sides of the case and the corresponding positions of the exhaust fan and the blower are respectively provided with an air outlet and an air outlet, the side wall of the case is respectively provided with a fresh air port a and a fresh air port b near the middle part, the fresh air port a is near the evaporative condenser, the fresh air port b is near the evaporator, the evaporative condenser and the evaporator are respectively positioned at two sides of the baffle, an exhaust valve is arranged between the fresh air inlet a and the fresh air inlet b, and a return air inlet is arranged at the top of the case and is positioned above the fresh air inlet b.
The utility model is also characterized in that,
The fresh air port a and the fresh air port b are both provided with air valves
the spraying device a comprises a circulating water tank a arranged below the evaporative condenser, a water pump a and a thermal resistor are respectively arranged in the circulating water tank a, the water pump a is connected with a plurality of high-pressure nozzles a through pipelines, and the high-pressure nozzles a are positioned on one side of the evaporative condenser.
The upper surface of the circulating water tank a is provided with a water baffle a, the top end of the water baffle a is attached to the top wall of the case, and the exhaust fan and the high-pressure nozzle a are separated by the water baffle a.
The spraying device b comprises a circulating water tank b arranged below the evaporator, a water pump b is arranged in the circulating water tank b, the water pump b is connected with a plurality of high-pressure nozzles b through pipelines, and the high-pressure nozzles b are located on one side of the evaporator.
And a water baffle b is arranged on the upper surface of the circulating water tank b, the top end of the water baffle b is attached to the top wall of the case, and the blower is separated from the high-pressure nozzle b by the water baffle b.
An expansion valve is arranged on a connecting pipeline of the evaporative condenser and the evaporator.
The utility model has the advantages that:
1) The utility model relates to a fresh air conditioning unit with defrosting function, which can be used all the year round, more humanized to meet the demand of people for indoor environment, can supply heat in winter and cool in summer, and can provide warmth in winter and cool in summer, and the spray device of the evaporator section can be opened in excessive seasons to supply cool fresh air to the indoor, thereby making up the deficiency of general air conditioners;
2) The utility model relates to a new trend air conditioning unit with defrosting function, the evaporation condensation is used to the condenser section to utilize indoor air exhaust cooling condenser, make the condenser reduce the high temperature protection at high temperature weather. The high-pressure spraying device of the evaporative condenser section can be used for defrosting in heat supply circulation, is multifunctional, and improves the utilization rate of all parts of the unit.
3) the evaporator section uses a high-pressure spraying device, so that the demand of people in transition seasons can be met, cool fresh air can be provided without starting a refrigeration cycle, and the high-pressure spraying device has important significance on the comfort level and energy conservation of an air conditioner.
Drawings
fig. 1 is a schematic structural diagram of a fresh air conditioning unit with a defrosting function.
In the figure, 1, a case, 2, a water baffle a, 3, a nozzle a, 4, an evaporative condenser, 5, a fresh air inlet a, 6, an exhaust valve, 7, a return air inlet, 8, an evaporator, 9, a nozzle b, 10, a water baffle b, 11, a blower, 12, an air supply outlet, 13, a water pump b, 14, a circulating water tank b, 15, an expansion valve, 16, a fresh air inlet b, 17, a compressor, 18, a four-way valve, 19, a thermal resistor, 20, a water pump a, 21, a circulating water tank a, 22, an exhaust fan and 23, an exhaust outlet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a fresh air conditioning unit with defrosting function, as shown in figure 1, including a case 1, a compressor 17, an evaporative condenser 4 and an evaporator 8 connected by four interfaces of a four-way valve 18 are arranged in the case 1, the outlet of the compressor 17 is communicated with the evaporative condenser 4 by the four-way valve 18, the inlet of the compressor 17 is communicated with the evaporator 8 by the four-way valve 18, the evaporative condenser 4 is connected with the evaporator 8 by a pipeline, an expansion valve 15 is arranged on the connecting pipeline of the evaporative condenser 4 and the evaporator 8, the evaporative condenser 4 and the evaporator 8 are respectively provided with a spray device a and a spray device b, the evaporative condenser 4 and the evaporator 8 are respectively connected with an exhaust fan 22 and a blower 11, the two sides of the case 1 are respectively provided with an exhaust outlet 23 and an air supply outlet 12 with the corresponding position of the exhaust fan 22 and the blower 11, the side wall of the case 1 is provided with a fresh, the fresh air inlet a5 and the fresh air inlet b16 are both provided with air valves, the fresh air inlet a5 is close to the evaporative condenser 4, the fresh air inlet b16 is close to the evaporator 8, the middle part of the case 1 is provided with a baffle plate for completely separating the fresh air inlet a5 from the fresh air inlet b16, the evaporative condenser 4 and the evaporator 8 are respectively positioned at two sides of the baffle plate, an exhaust valve 6 is arranged between the fresh air inlet a5 and the fresh air inlet b16, the top of the case is provided with an air return inlet 7, and the air return inlet 7 is positioned above the fresh air inlet b 16.
The spraying device a comprises a circulating water tank a21 arranged below the evaporative condenser 4, a water pump a20 and a thermal resistor 19 are respectively arranged in the circulating water tank a21, the water pump a20 is connected with a plurality of high-pressure nozzles a3 through pipelines, and a plurality of high-pressure nozzles a3 are positioned on one side of the evaporative condenser 4. The upper surface of the circulating water tank a21 is provided with a water baffle a2, the top end of the water baffle a2 is attached to the top wall of the case 1, and the exhaust fan 22 is separated from the high-pressure nozzle a3 by the water baffle a 2.
The spraying device b comprises a circulating water tank b14 arranged below the evaporator 8, a water pump b13 is arranged in the circulating water tank b14, the water pump b13 is connected with a plurality of high-pressure nozzles b9 through pipelines, and the plurality of high-pressure nozzles b9 are positioned on one side of the evaporator 8. The upper surface of the circulating water tank b14 is provided with a water baffle b10, the top end of the water baffle b10 is attached to the top wall of the case 1, and the blower 11 is separated from the high-pressure nozzle b9 by the water baffle b 10.
The utility model relates to a four-way valve 18 and expansion valve 15's effect is specifically as follows among fresh air conditioning unit with defrosting function:
the four-way valve 18 is an important component, a control valve, for changing the direction of the freon flow. When cooling, the four-way valve 18 leads the high-temperature and high-pressure gas from the compressor 17 to the evaporative condenser 4 through the movement of the valve sheet, and when heating, the four-way valve 18 leads the high-temperature and high-pressure gas from the compressor 17 to the evaporator 8 (as a condensing device) through the movement of the valve sheet.
The expansion valve 15 is a throttle valve that realizes the throttling of the condensing pressure of the evaporative condenser 4 to the evaporating pressure of the evaporator 8 while controlling the flow rate of the refrigerant.
The utility model relates to a fresh air conditioning unit's theory of operation with defrosting function specifically as follows:
working process in summer:
Indoor return air passes through a return air inlet 7, one part of the indoor return air enters one side of the evaporative condenser 4 by adjusting an exhaust valve 6, the other part of the indoor return air is mixed with fresh air entering from a fresh air inlet b16, the mixed air is evaporated, absorbed heat and taken away heat through an evaporator 8 to obtain cooling air, and the cooling air is sent into a room through a blower 11; indoor return air entering one side of the evaporative condenser 4 is mixed with fresh air entering the fresh air port a5, the mixed air is in contact with water sprayed by the high-pressure nozzle a3, an isenthalpic cooling process is generated, the temperature of the outer surface of the evaporative condenser 4 is lower, heat of the evaporative condenser 4 is taken away, and high-temperature protection shutdown of the evaporative condenser 4 in high-temperature weather can be prevented.
Working process in winter:
In the heat supply cycle process in winter, the evaporator 8 is used as a condensing device to dissipate heat through the four-way valve, so that the air heating effect is achieved, and the evaporative condenser 4 is used as an evaporating device to absorb heat of air, so that the circulation of a refrigerant is maintained. The fresh air port b16 is closed in winter, the indoor return air passes through the return air port 7 and is heated by heat release of the evaporator 8 (serving as a condensing device), and the heated air is sent into the room by the blower 11; at this time, the exhaust valve 6 is closed, the fresh air inlet a5 provides the air volume required by the evaporative condenser 4, and the outdoor fresh air is absorbed by the evaporative condenser 4 (as an evaporator) to maintain the circulation of the refrigerant. The utility model discloses a new trend air conditioning unit can appear frosting phenomenon winter on evaporative condenser 4 (as evaporation device), and the circulating water in the circulating water tank a21 is hindered 19 heats by the electric heat, sprays from nozzle a3 through water pump a20, sprays hot water through spray set a and can melt the frost layer on evaporative condenser 4 (as evaporation device), reaches the defrosting purpose.
The working process in the transition season:
The transition season processing procedure is that the refrigerant does not circulate, the utility model discloses a fresh air conditioning unit uses as the fresh air unit of taking the spray set cooling. The fresh air required indoors is provided by a fresh air port b16, and fresh air is contacted with water sprayed by a nozzle b9 to generate an isenthalpic cooling process, so that the indoor air supply requirement is met; at the moment, the exhaust valve 6 is fully opened, the fresh air port a5 is closed, the indoor return air is completely exhausted outdoors through the exhaust valve 6 through the return air port 7, the requirements of people on temperature and fresh air can be met in transition seasons without using a refrigerant, and the air conditioner is energy-saving and comfortable.
through the mode, the fresh air conditioning unit with the defrosting function has the advantages of simple structure and convenience in use; the problem of high-temperature protection shutdown of the evaporative condenser 4 can be effectively solved; meanwhile, the frost layer on the surface of the evaporative condenser 4 can be effectively removed, and the use requirements of users in different temperature environments are met.
Claims (7)
1. The fresh air conditioning unit with the defrosting function is characterized by comprising a case (1), wherein a compressor (17), an evaporative condenser (4) and an evaporator (8) which are connected through four interfaces of a four-way valve (18) are arranged in the case (1), the outlet of the compressor (17) is communicated with the evaporative condenser (4) through the four-way valve (18), the inlet of the compressor (17) is communicated with the evaporator (8) through the four-way valve (18), the evaporative condenser (4) and the evaporator (8) are connected through a pipeline through an expansion valve, the evaporative condenser (4) and the evaporator (8) are respectively provided with a spraying device a and a spraying device b, the evaporative condenser (4) and the evaporator (8) are respectively connected with an exhaust fan (22) and a blower (11), and the two sides of the case (1) are respectively provided with an exhaust outlet (23) and an air supply outlet (12) at the corresponding positions of the exhaust fan (22) and the blower (11) ) The novel air conditioner is characterized in that a fresh air port a (5) and a fresh air port b (16) are respectively arranged on the side wall of the case (1) close to the middle of the side wall, the fresh air port a (5) is close to the evaporative condenser (4), the fresh air port b (16) is close to the evaporator (8), a baffle is arranged in the middle of the case (1) to completely separate the fresh air port a (5) from the fresh air port b (16), the evaporative condenser (4) and the evaporator (8) are respectively located on two sides of the baffle, an exhaust valve (6) is arranged between the fresh air port a (5) and the fresh air port b (16), an air return port (7) is arranged on the top of the case, and the air return port (7) is located above the fresh.
2. The fresh air conditioning unit with the defrosting function as claimed in claim 1, wherein the fresh air port a (5) and the fresh air port b (16) are provided with air valves.
3. The fresh air conditioning unit with the defrosting function according to claim 1, wherein the spraying device a comprises a circulating water tank a (21) arranged below the evaporative condenser (4), a water pump a (20) and a thermal resistor (19) are respectively arranged in the circulating water tank a (21), the water pump a (20) is connected with a plurality of high-pressure nozzles a (3) through pipelines, and the plurality of high-pressure nozzles a (3) are positioned at one side of the evaporative condenser (4).
4. The fresh air conditioning unit with the defrosting function according to claim 3, wherein the upper surface of the circulating water tank a (21) is provided with a water baffle a (2), the top end of the water baffle a (2) is attached to the top wall of the cabinet (1), and the exhaust fan (22) is separated from the high-pressure nozzle a (3) by the water baffle a (2).
5. The fresh air conditioning unit with the defrosting function according to claim 1, wherein the spraying device b comprises a circulating water tank b (14) arranged below the evaporator (8), a water pump b (13) is arranged in the circulating water tank b (14), the water pump b (13) is connected with a plurality of high-pressure nozzles b (9) through pipelines, and the plurality of high-pressure nozzles b (9) are positioned on one side of the evaporator (8).
6. The fresh air conditioning unit with the defrosting function according to claim 5, wherein the upper surface of the circulating water tank b (14) is provided with a water baffle b (10), the top end of the water baffle b (10) is attached to the top wall of the cabinet (1), and the air blower (11) is separated from the high-pressure nozzle b (9) by the water baffle b (10).
7. Fresh air conditioning unit with defrosting function according to claim 1, characterized in that the connection line of the evaporative condenser (4) and the evaporator (8) is provided with an expansion valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012633.2U CN209763339U (en) | 2019-01-04 | 2019-01-04 | Fresh air conditioning unit with defrosting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012633.2U CN209763339U (en) | 2019-01-04 | 2019-01-04 | Fresh air conditioning unit with defrosting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209763339U true CN209763339U (en) | 2019-12-10 |
Family
ID=68748583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920012633.2U Expired - Fee Related CN209763339U (en) | 2019-01-04 | 2019-01-04 | Fresh air conditioning unit with defrosting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209763339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216170A (en) * | 2021-12-20 | 2022-03-22 | 珠海格力电器股份有限公司 | Air conditioning equipment |
-
2019
- 2019-01-04 CN CN201920012633.2U patent/CN209763339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216170A (en) * | 2021-12-20 | 2022-03-22 | 珠海格力电器股份有限公司 | Air conditioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |