CN202973358U - Air conditioner used in high-temperature environment - Google Patents
Air conditioner used in high-temperature environment Download PDFInfo
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- CN202973358U CN202973358U CN201220464231.4U CN201220464231U CN202973358U CN 202973358 U CN202973358 U CN 202973358U CN 201220464231 U CN201220464231 U CN 201220464231U CN 202973358 U CN202973358 U CN 202973358U
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Abstract
The utility model discloses an air conditioner used in a high-temperature environment. The air conditioner comprises a compressor, a condenser, a first throttling valve, an evaporator and a refrigerant circulating pipeline and a liquid refrigerant spraying loop pipeline, wherein the compressor, the condenser, the first throttling valve and the evaporator are sequentially connected with one another end to end through the refrigerant circulating pipeline, so that a closed refrigerant circulating channel is formed; one end of the liquid refrigerant spraying loop pipeline is communicated with the refrigerant circulating pipe between the condenser and the throttling valve; and the other end of the liquid refrigerant spraying loop pipeline is communicated with the refrigerant circulating pipe between the evaporator and the compressor. The liquid refrigerant spraying loop pipeline is used for mixing liquid refrigerant flowing from the condenser with gas refrigerant evaporated by the evaporator so as to reduce the air suction temperature of the compressor. Along with reduction of the air suction temperature of the compressor, the temperature of a motor in the compressor is reduced and the air exhaust temperature of the compressor is also reduced, so that the compressor can stably work in the high-temperature environment, and the refrigeration efficiency of the air conditioner is greatly improved.
Description
Technical field
The utility model relates to the air conditioner refrigerating field, and is particularly a kind of for the air-conditioner under hot environment.
Background technology
The air-conditioner of working under hot environment, the delivery temperature of compressor can raise along with the rising of outdoor environment temperature, pressure at expulsion increases, the refrigerating efficiency of air-conditioner reduces greatly thereby make.For addressing this problem, have the air-conditioner of working now and pass through to introduce the off-load bypass circulation that is formed by unloader and capillary under hot environment between condenser and evaporimeter.The off-load bypass circulation is in parallel with the refrigerating capillary in air-conditioner.When the pressure at expulsion of outdoor environment temperature rising, compressor is too high, unloader is opened, no longer pass through refrigerating capillary by the refrigerant that flows out in condenser, but carry out release and throttling by unloader and capillary, refrigerant after the release throttling is sent to evaporimeter again, thereby realizes the needs that freeze under hot conditions.But the air-conditioner that the off-load bypass circulation is set need to adopt high temperature to realize with compressor when freezing under hot environment, unstable working condition when consuming energy more and hypertonia, simultaneously in order to reduce the pressure at expulsion of compressor, the throttling refrigeration amount of off-load bypass circulation is very little, can not reach good refrigeration.
As from the foregoing, being necessary to provide under a kind of hot environment can steady operation, have good refrigeration and air-conditioner that can energy savings.
The utility model content
It is a kind of for the air-conditioner under hot environment that embodiment of the present utility model provides, can steady operation, energy savings and have a purpose of good refrigeration in order to reach under hot environment air-conditioner.
According to embodiment of the present utility model, provide a kind of for the air-conditioner under hot environment, comprising: compressor, condenser, first throttle valve, evaporimeter; Wherein, described compressor, condenser, first throttle valve, evaporimeter join end to end by described refrigerant circulation pipeline successively, consist of the circulation canal of the refrigerant of sealing, it is characterized in that, described air-conditioner also comprises: liquid refrigerants spray circuits pipeline;
One end of described liquid refrigerants spray circuits pipeline and the refrigerant circulation pipeline communication between described condenser and choke valve, the refrigerant circulation pipeline communication between its other end and described evaporimeter and compressor; The operative liquid refrigerant that described condenser flows out by described liquid refrigerants spray circuits pipeline with enter into described compressor after gaseous coolant by described evaporimeter outflow mixes.
Described air-conditioner also comprises: the coolant injection control device is used for controlling the flow that described liquid refrigerants spray circuits pipeline flow into the liquid refrigerants of described compressor.
Described coolant injection control device comprises: main control unit, be arranged at the ducted electric expansion valve of liquid refrigerants spray circuits and be arranged at the temperature sensor at described compressor refrigerant exit place;
The temperature that described main control unit is surveyed according to described temperature sensor is controlled the aperture of described electric expansion valve.
Described coolant injection control device comprises: controller, and be arranged at ducted the 3rd choke valve of described liquid refrigerants spray circuits;
Described controller is used for controlling the aperture of the 3rd choke valve.
Described air-conditioner also comprises:
Heat exchanger, the liquid refrigerants and the ducted liquid refrigerants of described liquid refrigerants spray circuits that are used for the refrigerant circulation pipeline between described condenser and first throttle valve carry out heat exchange.
Described heat exchanger comprises: the first heat exchange pipeline and the second heat exchange pipeline, wherein,
Refrigerant circulation pipeline communication between the first heat exchange pipeline and described condenser and choke valve; The second heat exchange pipeline and described liquid refrigerants spray circuits pipeline communication;
Liquid refrigerants in liquid refrigerants in the first heat exchange pipeline and the second heat exchange pipeline carries out heat exchange.
Described heat exchanger is finned tube.
Described heat exchanger for by finned tube and finned tube periphery cover by consisting of with finned tube the U-shaped finned tube that the outer pipe arrangement of heat exchange area forms.
Described air-conditioner also comprises:
The second choke valve is arranged on the refrigerant circulation pipeline of described connection evaporimeter and compressor, is used for controlling the flow of the gas coolant that flows into described compressor refrigerant entrance.
Described air-conditioner also comprises:
Be arranged at the cross valve of the joint of refrigerant circulation pipeline between compressor and condenser and the refrigerant circulation pipeline between the second choke valve and compressor, be used for controlling the ducted refrigerant flow direction of refrigerant circulation.
As shown from the above technical solution, liquid refrigerants spray circuits pipeline is set on the refrigerant circulation pipeline of air-conditioner condenser and first throttle valve.A cryogenic high pressure liquid refrigerants part by condenser enters the first throttle valve, becoming low-temp low-pressure liquid after the decompression of first throttle valve flows in evaporimeter, the low-temp low-pressure liquid refrigerants is gasificated as gaseous coolant in evaporimeter, gaseous coolant flows to by the refrigerant circulation back of pipeline circulation next time that refrigerant is carried out in the suction port of compressor.Another part of the liquid refrigerants that is flowed out by condenser simultaneously flows into liquid refrigerants spray circuits pipeline, flow into the suction port of compressor through liquid refrigerants spray circuits pipeline, mixes with gaseous coolant after evaporator evaporation, is input to compressor inside.Owing to being inhaled in compressor after the mixing of the high-temperature low-pressure gaseous coolant in the ducted cryogenic high pressure liquid refrigerants of liquid refrigerants spray circuits and evaporimeter, therefore the suction temperature of compressor and the temperature of motor internal all reduce, correspondingly, the delivery temperature of compressor reduces, thereby has guaranteed refrigerating efficiency and the job stability of air-conditioner in hot environment.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art.Apparently, the accompanying drawing in below describing is only embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 shows the structure principle chart of air-conditioner in the utility model;
Fig. 2 shows the structural representation of air-conditioner in embodiment of the present utility model;
Fig. 3 shows the structural representation of liquid refrigerants spray circuits pipeline;
Fig. 4 shows main control unit and controls the workflow diagram that the flow of liquid refrigerants in electric expansion valve liquid towards coolant injection return is regulated.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
If the Exhaust temperature rise of compressor when air-conditioner is operated in hot environment, the air-conditioner operating ambient temperature raises, and the condensation efficiency of condenser is low, thereby the suction temperature of compressor is raise.Due to compressor exhaust temperature T
dSuction temperature T with compressor
sRelational expression be
Wherein, n is the compression process polytropic index, and τ is pressure ratio,
p
sBe pressure of inspiration(Pi), p
dBe pressure at expulsion.Therefore the suction temperature of compressor raises, and delivery temperature just can continue to raise thereupon, thus circulation until delivery temperature reach critical point after compressor shutdown carry out self-shield, cause air-conditioner job insecurity and refrigeration variation.A part in the cryogenic high pressure liquid refrigerants that core of the present utility model is condenser is flowed out is incorporated into the suction port of compressor, with after being back to high-temperature low-pressure gaseous coolant compressor from evaporimeter and mixing together be inhaled into compressor, reduce the suction temperature of compressor and the temperature of motor internal, thereby the delivery temperature of compressor reduces.The utility model has been avoided raising because Exhaust temperature rise causes the compressor air suction temperature under hot environment, suction temperature raises and causes again the vicious circle of Exhaust temperature rise, makes air-conditioner still have good system reliability and refrigeration under hot environment.
Fig. 1 shows the structure principle chart of air-conditioner in the utility model.As shown in Figure 1, the air-conditioner that is used under hot environment comprises compressor 101, condenser 102, first throttle valve 103, evaporimeter 104 and refrigerant circulation pipeline 105.
Wherein, compressor 101, condenser 102, first throttle valve 103, evaporimeter 104 join end to end by described refrigerant circulation pipeline 105 successively, consist of the circulation canal of the refrigerant of sealing.Wherein, the refrigerant exit of compressor 101 is connected with the entrance of condenser 102 by refrigerant circulation pipeline 105.The refrigerant entrance of compressor 101 is connected with the refrigerant exit of evaporimeter 104 by refrigerant circulation pipeline 105.The refrigerant exit of condenser 102 is connected by the refrigerant circulation passage with the refrigerant entrance of evaporimeter 104, and also is provided with choke valve in the refrigerant circulation pipeline 105 between the refrigerant entrance of the refrigerant exit of condenser 102 and evaporimeter 104.
Further, the air-conditioner in the utility model also comprises: liquid refrigerants spray circuits pipeline 106.
One end of liquid refrigerants spray circuits pipeline 106 and condenser 102 are communicated with refrigerant circulation pipeline 105 between choke valve, and the other end of liquid refrigerants spray circuits pipeline 106 and evaporimeter 104 are communicated with refrigerant circulation pipeline 105 between compressor 101; The part refrigerant that flows out condenser 102 flows to compressor 101 refrigerant entrances by liquid refrigerants spray circuits pipeline 106.
Be described in detail below by structure and the operation principle of specific embodiment to air-conditioner.
Fig. 2 shows the structural representation of air-conditioner in embodiment.As shown in Figure 2, air-conditioner comprises indoor set and off-premises station.Indoor set comprises evaporimeter 104, the second choke valve 201 of setting on the refrigerant circulation pipeline 105 that off-premises station comprises compressor 101, condenser 102, connect the first throttle valve 103 that arranges on the refrigerant circulation pipeline 105 of condenser 102 and evaporimeter 104, is connected evaporimeter 104 and compressor 101.Compressor 101, condenser 102, first throttle valve 103, evaporimeter 104 and the second choke valve 201 join end to end by refrigerant circulation pipeline 105 successively and consist of the circulation canal of the refrigerant that seals.Between refrigerant circulation pipeline 105 between refrigerant circulation pipeline 105 between compressor 101 and condenser 102 and the second choke valve 201 and compressor 101, cross valve 202 is set.
Liquid refrigerants spray circuits pipeline 106 is arranged between condenser 102 and first throttle valve 103.As shown in Figure 2, the entrance of liquid refrigerants spray circuits pipeline 106 and condenser 102 are communicated with refrigerant circulation pipeline 105 between first throttle valve 103, and the outlet of liquid refrigerants spray circuits pipeline 106 is communicated with refrigerant circulation pipeline 105 between cross valve 202 and compressor 101.
Air-conditioner also comprises: heat exchanger 204.
The ducted liquid refrigerants of refrigerant circulation in liquid refrigerants spray circuits pipeline 106 between liquid refrigerants and condenser and first throttle valve carries out heat exchange by heat exchanger 204.
Heat exchanger 204 adopts finned tubes or adopts by finned tube and finned tube periphery cover by consisting of with finned tube the U-shaped finned tube (also claiming double pipe) that the outer pipe arrangement of heat exchange area forms.
Wherein, heat exchanger 204 comprises the first heat exchange pipeline and the second heat exchange pipeline (not providing the internal structure of heat exchanger in figure).Refrigerant circulation pipeline communication between the first heat exchange pipeline and condenser and first throttle valve.The liquid refrigerants that is flowed out by condenser reaches further cooling through the first heat exchange pipeline heat release.The second heat exchange pipeline is communicated with liquid refrigerants spray circuits pipeline 106, thereby the liquid refrigerants heat exchange of the liquid refrigerants in the first heat exchange pipeline and the second heat exchange pipeline improves the temperature of liquid refrigerants in liquid refrigerants spray circuits pipeline.The heat exchanger 204 of heat exchanger 204 for carrying out heat exchange between liquid and liquid in the utility model.
Air-conditioner also comprises: coolant injection control device 203.
Coolant injection control device 203 is arranged on liquid refrigerants spray circuits pipeline 106, is used for controlling the liquid coolant flow that sprays into compressor 101 refrigerant entrances.
Coolant injection control device 203 comprises: the controller 232 of the 3rd choke valve 231 and control the 3rd choke valve.
Wherein, the 3rd choke valve 231 is arranged on liquid refrigerants spray circuits pipeline 106 between condenser 103 refrigerant exits and heat exchanger 204.Controller 232 is electrically connected to the 3rd choke valve 231 and regulates by the flow of liquid refrigerants in the aperture liquid towards coolant injection return 106 of controlling the 3rd choke valve 231.
By at liquid refrigerants spray circuits pipeline 106, the 3rd choke valve 231 being set, can control the flow that sprays into the liquid refrigerants of compressor 101 refrigerant entrances in liquid refrigerants spray circuits pipeline 106.
Because choke valve does not have flow negative-feedback function, therefore the 3rd choke valve 231 can not be controlled accurately according to the delivery temperature of compressor.For making technical scheme further perfect, can realize that the flow that the delivery temperature liquid towards coolant injection return 106 according to compressor sprays into compressor 101 refrigerant entrances accurately controls, the utility model adopts the coolant injection control device 203 that is comprised of main control unit 301, electric expansion valve 302 and temperature sensor (not shown).Wherein, main control unit 301 can adopt single-chip microcomputer, DSP(digital signal processor) or wherein a kind of of CPU.
Fig. 3 shows the structural representation of liquid refrigerants spray circuits pipeline 106.As shown in Figure 3, electric expansion valve 302 is arranged on the refrigerant circulation pipeline 105 that connects heat exchanger 204 and compressor 101 refrigerant entrances; Temperature sensor is arranged at compressor 101 refrigerant exit places, is used for the delivery temperature of test compression machine 101; Main control unit 301 is electrically connected to temperature sensor and electric expansion valve 302, the aperture that the delivery temperature of the compressor 101 that main control unit 301 detects according to temperature sensor is regulated electric expansion valve 302, thus the flow that sprays into of compressor 101 refrigerant porch liquid refrigerants controlled.
How the below controls compressor refrigerant entrance to coolant injection control device 203 liquid refrigerants flow is described in detail with the operation principle of the delivery temperature that reduces hot environment lower compression machine 101.
After the refrigerant exit outflow of the cooled liquid refrigerants of condenser 102 by condenser 102, be divided into two flow directions.Wherein, a flow direction is for flowing into by choke valve the B-B1 flow direction that evaporimeter 104 carries out kind of refrigeration cycle after cold through the further mistake of U-shaped finned tube; Another flow direction is first after electric expansion valve 302 throttlings, forms the liquid coolant of low-temp low-pressure, then after the HTHP refrigerant heat exchange intensification through U-shaped finned tube and the B-B1 flow direction, flow into the A-A1 flow direction of compressor 101 refrigerant entrances.Wherein the liquid refrigerants that flows to of A-A1 flows into the aperture that the flow in compressor 101 controls electric expansion valves 302 by main control unit 301 and realizes.The delivery temperature that compressor 101 detected when the temperature sensor of coolant injection control device 203 is during higher than the delivery temperature set, and main control unit 301 is controlled the aperture of electric expansion valves 302.Delivery temperature is higher, and the aperture of electric expansion valve 302 is just larger, and the cold medium flux that A-A1 flows to is just larger, thereby the liquid refrigerants that is ejected into compressor 101 refrigerant entrances is more.The low-pressure low-temperature liquid refrigerants that A-A1 flows to be drawn into compressor 101 inside after high-temperature low-pressure gaseous coolant after evaporimeter 104 evaporates mixes, due to liquid refrigerants and gaseous coolant mixing, the temperature and pressure that sucks the refrigerant of compressor 101 inside all reduces, the temperature of compressor 101 motor internal also decreases, and then the delivery temperature of compressor 101 reduces, thereby guaranteed the job stability of compressor 101 under hot environment, greatly improved the refrigerating efficiency of air-conditioner.
Fig. 4 shows the workflow that main control unit is controlled by the flow of liquid refrigerants in electromagnetic expanding valve liquid towards coolant injection return 106.As shown in Figure 4, comprise the steps:
S401: the scope of setting the aperture (EVB) of electric expansion valve is [0,480].
S402: set the initial value of the aperture of electric expansion valve 302, n=0.
When compressor 101 running, the initial value of setting the aperture of electric expansion valve 302 is EVB (n)=43[pls];
When compressor 101 stopped, initial value that setting the aperture of electric expansion valve 302 was EVB (start)=0[pls].
Initialize the electronic expansion valve opening changing value
Be arbitrary value,
Initial value can be very large or very little integer.In the present embodiment,
Value be 1.
Wherein, pls is step or pulse, and in the present embodiment, electric expansion valve 302 carries out the adjusting of aperture by stepper motor.
S403: main control unit detects the suction superheat (SH) of compressor 101 refrigerant entrances.
S404: judge according to suction superheat (SH) whether electric expansion valve 302 works.If SH is less than or equal to the super heat value of setting, electric expansion valve is not worked; If SH is greater than the super heat value of setting, electric expansion valve work.Liquid refrigerants in main control unit execution in step S405 liquid towards coolant injection return carries out the adjusting of flow in setting cycle.
The degree of superheat (SH) is the difference of the temperature of the compressor 101 air entries saturation temperature corresponding with pressure of inspiration(Pi).In the present embodiment, regulation namely uses SH=5 as the adjusting separation of electric expansion valve 302 take the super heat value set as 5.Be the non high temperature operating mode when SH≤5, need not liquid refrigerants and spray into compressor refrigerant entrance, so electromagnetic expanding valve do not worked; When SH＞5, be worst hot case, need to open the flow of the liquid refrigerants in electromagnetic expanding valve liquid towards coolant injection return and regulate.In the present embodiment, it is the former because of empirical selection, by the required decision that tests a machine of separation that super heat value is chosen SH=5.Be not limited to value in the present embodiment for the value of the super heat value of setting, for different air-conditioners, the setting value of the degree of superheat and each system and operating mode of living in all have relation.
S405: calculate
(formula 1)
Wherein, n is the natural number greater than 0.EVB (n+1) is the aperture of electric expansion valve in setting cycle, the aperture of the electric expansion valve that EVB (n) calculates for a upper setting cycle,
Regulated quantity for the described electric expansion valve that calculates according to comparative result.
S406: the opening value EVB (n+1) of judgement electric expansion valve.
If 0＜EVB (n+1)＜480 enters step S407;
If EVB (n+1)≤0 enters step S409;
If EVB (n+1) 〉=480 enters step S410.
S407: after main control unit is regulated the aperture of electric expansion valve according to the opening value EVB (n+1) of electric expansion valve, detect the delivery temperature Td of compressor by temperature sensor.
After the aperture of electric expansion valve was regulated, the flow that sprays into the liquid refrigerants of compressor refrigerant entrance in liquid refrigerants spray circuits pipeline 6 also was conditioned, and main control unit obtains the delivery temperature Td of compressor by temperature sensor.
S408: with delivery temperature Td and 100 ℃ of electronic expansion valve opening changing values that relatively must make new advances of design temperature
N=n+1 jumps to S403 and carries out the adjusting of main control unit to electronic expansion valve opening in next setting cycle.
If during 100 ℃ of Td ﹥,
If during Td≤100 ℃,
In the present embodiment, with delivery temperature Td and 100 ℃ of comparisons of design temperature, because 100 ℃ of empirical values when testing for compressor, when surpassing 100 ℃, compressor can enter a vicious circle, the delivery temperature of compressor can rise rapidly, carries out the adjusting of electronic expansion valve opening in this process, is beneficial to the adjusting of liquid refrigerants flow in liquid refrigerants spray circuits pipeline.Certainly, design temperature is elected 100 ℃ as and is just determined by type and the operating mode of living in of the compressor of selecting in the utility model embodiment.When the type of compressor and operating mode of living in changed, design temperature was no longer elected 100 ℃ as, but changes with the type of compressor and the change of operating mode of living in.
S409：EVB(n+1)＝0。
Less than 0, illustrate that the delivery temperature of compressor 101 refrigerant exits is very low when the aperture of electric expansion valve 302, the aperture value of electric expansion valve 302 is 0, and electric expansion valve 302 is in the complete shut-down state.Electric expansion valve 302 complete shut-downs can prevent that the liquid refrigerants in liquid refrigerants spray circuits pipeline 106 from entering compressor 101 and making compressor 101 produce liquid hammer.
S410：EVB(n+1)＝480。
When the aperture of electric expansion valve 302 greater than 480; the delivery temperature that compressor 101 refrigerant exits are described is very high; the aperture value of electric expansion valve 302 is 480; electric expansion valve 302 is in full-gear, makes liquid refrigerants flow into compressor with maximum stream flow and protects compressor 101 with the suction temperature that reduces compressor.
Realized the control of liquid refrigerants flow in coolant injection control device liquid towards coolant injection return by the execution of above step, thereby realize the control to the delivery temperature of compressor, make the compressor can steady operation under hot environment, and can greatly improve the refrigerating efficiency of air-conditioner.Certainly; the size of the delivery temperature Td of compressor 101 refrigerant exits is also relevant with operating mode, and under stable operating mode, the delivery temperature of compressor 101 refrigerant exits can not be over 140 ℃; when delivery temperature surpassed 140 ℃, compressor 101 just can be shut down and be carried out self-protection.In the present embodiment, it is selected according to the type of compressor in embodiment in the utility model and the residing operating mode of compressor that the critical point temperature that compressor carries out self-protection is 140 ℃.When the type of compressor and operating mode of living in changed, the critical point temperature of its self-protection is corresponding change, and is not limited to the temperature of enumerating in the present embodiment.
In the utility model, refrigerant can adopt ammonia or CFCs, perhaps also can employing and ammonia or CFCs have same nature, namely easily heat absorption becomes gas, easily heat release becomes other materials of liquid again.
The above is only preferred embodiment of the present utility model, is not be used to limiting protection domain of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air-conditioner that is used under hot environment, comprising: compressor, condenser, first throttle valve, evaporimeter; Wherein, described compressor, condenser, first throttle valve, evaporimeter join end to end by described refrigerant circulation pipeline successively, consist of the circulation canal of the refrigerant of sealing, it is characterized in that, described air-conditioner also comprises: liquid refrigerants spray circuits pipeline;
One end of described liquid refrigerants spray circuits pipeline and the refrigerant circulation pipeline communication between described condenser and choke valve, the refrigerant circulation pipeline communication between the other end and described evaporimeter and compressor; The operative liquid refrigerant that described condenser flows out by described liquid refrigerants spray circuits pipeline with enter into described compressor after gaseous coolant by described evaporimeter outflow mixes.
2. air-conditioner as claimed in claim 1, is characterized in that, described air-conditioner also comprises:
The coolant injection control device is used for controlling the flow that described liquid refrigerants spray circuits pipeline flow into the liquid refrigerants of described compressor.
3. air-conditioner as claimed in claim 2, is characterized in that, described coolant injection control device comprises: main control unit, be arranged at the ducted electric expansion valve of liquid refrigerants spray circuits and be arranged at the temperature sensor at described compressor refrigerant exit place;
The temperature that described main control unit is surveyed according to described temperature sensor is controlled the aperture of described electric expansion valve.
4. air-conditioner as claimed in claim 2, is characterized in that, described coolant injection control device comprises: controller, and be arranged at ducted the 3rd choke valve of described liquid refrigerants spray circuits;
Described controller is used for controlling the aperture of the 3rd choke valve.
5. air-conditioner as described in one of claim 1 to 4, is characterized in that, described air-conditioner also comprises:
Heat exchanger, the liquid refrigerants and the ducted liquid refrigerants of described liquid refrigerants spray circuits that are used for the refrigerant circulation pipeline between described condenser and first throttle valve carry out heat exchange.
6. air-conditioner as claimed in claim 5, is characterized in that, described heat exchanger comprises: the first heat exchange pipeline and the second heat exchange pipeline, wherein,
Refrigerant circulation pipeline communication between the first heat exchange pipeline and described condenser and choke valve; The second heat exchange pipeline and described liquid refrigerants spray circuits pipeline communication;
Liquid refrigerants in liquid refrigerants in the first heat exchange pipeline and the second heat exchange pipeline carries out heat exchange.
7. air-conditioner as claimed in claim 5, is characterized in that, described heat exchanger is finned tube.
8. air-conditioner as claimed in claim 5, is characterized in that, described heat exchanger for by finned tube and finned tube periphery cover by consisting of with finned tube the U-shaped finned tube that the outer pipe arrangement of heat exchange area forms.
9. air-conditioner as claimed in claim 1, is characterized in that, described air-conditioner also comprises:
The second choke valve is arranged on the refrigerant circulation pipeline of described connection evaporimeter and compressor, is used for controlling the flow of the gas coolant that flows into described compressor refrigerant entrance.
10. air-conditioner as claimed in claim 9, is characterized in that, described air-conditioner also comprises:
Be arranged at the cross valve of the joint of refrigerant circulation pipeline between compressor and condenser and the refrigerant circulation pipeline between the second choke valve and compressor, be used for controlling the ducted refrigerant flow direction of refrigerant circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220464231.4U CN202973358U (en) | 2012-09-12 | 2012-09-12 | Air conditioner used in high-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220464231.4U CN202973358U (en) | 2012-09-12 | 2012-09-12 | Air conditioner used in high-temperature environment |
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| CN202973358U true CN202973358U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220464231.4U Expired - Lifetime CN202973358U (en) | 2012-09-12 | 2012-09-12 | Air conditioner used in high-temperature environment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889641A (en) * | 2012-09-12 | 2013-01-23 | 青岛海信日立空调系统有限公司 | Air conditioner used in high-temperature environment and control method |
| CN106196376A (en) * | 2016-08-23 | 2016-12-07 | 广州市设计院 | There is the unit type air conditioner of integral type multi-evaporation temperature structure |
| CN106440072A (en) * | 2016-08-23 | 2017-02-22 | 广州市设计院 | Efficient unit type air conditioning machine with multiple evaporation temperatures |
| CN108758879A (en) * | 2018-07-06 | 2018-11-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Dehumidifier |
| CN108954568A (en) * | 2018-09-05 | 2018-12-07 | 青岛海尔空调电子有限公司 | Online pipe for air-conditioning system |
| CN111271845A (en) * | 2019-07-17 | 2020-06-12 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner and air conditioner thereof |
| CN113864989A (en) * | 2021-10-27 | 2021-12-31 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, storage medium, processor and air conditioner |
-
2012
- 2012-09-12 CN CN201220464231.4U patent/CN202973358U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889641A (en) * | 2012-09-12 | 2013-01-23 | 青岛海信日立空调系统有限公司 | Air conditioner used in high-temperature environment and control method |
| CN106196376A (en) * | 2016-08-23 | 2016-12-07 | 广州市设计院 | There is the unit type air conditioner of integral type multi-evaporation temperature structure |
| CN106440072A (en) * | 2016-08-23 | 2017-02-22 | 广州市设计院 | Efficient unit type air conditioning machine with multiple evaporation temperatures |
| CN106196376B (en) * | 2016-08-23 | 2023-10-20 | 广州市设计院 | Unit type air conditioner with integrated multi-evaporating temperature structure |
| CN106440072B (en) * | 2016-08-23 | 2023-10-20 | 广州市设计院 | High-efficient unit formula air conditioner of many evaporating temperature |
| CN108758879A (en) * | 2018-07-06 | 2018-11-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Dehumidifier |
| CN108954568A (en) * | 2018-09-05 | 2018-12-07 | 青岛海尔空调电子有限公司 | Online pipe for air-conditioning system |
| CN111271845A (en) * | 2019-07-17 | 2020-06-12 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner and air conditioner thereof |
| CN111271845B (en) * | 2019-07-17 | 2021-08-31 | 宁波奥克斯电气股份有限公司 | Control method of air conditioner and air conditioner thereof |
| CN113864989A (en) * | 2021-10-27 | 2021-12-31 | 珠海格力电器股份有限公司 | Control method and device of air conditioner, storage medium, processor and air conditioner |
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