CN206281108U - A kind of high-temperature refrigeration air-conditioning system - Google Patents
A kind of high-temperature refrigeration air-conditioning system Download PDFInfo
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- CN206281108U CN206281108U CN201621307950.XU CN201621307950U CN206281108U CN 206281108 U CN206281108 U CN 206281108U CN 201621307950 U CN201621307950 U CN 201621307950U CN 206281108 U CN206281108 U CN 206281108U
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- heat exchanger
- conditioning system
- air
- compressor
- temperature refrigeration
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Abstract
The utility model is related to air-conditioning technical field, discloses a kind of high-temperature refrigeration air-conditioning system, including：Refrigerating circuit can be formed or compressor, outdoor heat exchanger, throttling arrangement and the indoor heat exchanger in loop is heated, also include the bypass line with the outdoor heat exchanger in parallel setting, supplementary heat exchanger and electromagnetism regulating member are respectively equipped with the bypass line；And the pressure sensor of the gas outlet of the compressor is arranged on, wherein, the pressure of the gas outlet of the compressor is detected by the pressure sensor, so as to control the electromagnetism regulating member act to be switched on or switched off the bypass line accordingly.Air-conditioning system operation, good refrigeration effect and whole the function effect that has the advantages that freely to start shooting is high.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly to a kind of high-temperature refrigeration air-conditioning system.
Background technology
Current air-conditioner set in high-temperature refrigeration, because outdoor environment temperature is higher, so as to cause radiating effect compared with
Difference, when its outdoor unit runs, frequently can lead to pressure very high so that system easily enters the state of high voltage protective, wherein, it is special
It is not particularly evident during frequency unit generation high voltage protective for determining, if frequency changer, its frequency can decline, but simultaneously
The refrigerating capacity of whole machine can be reduced, so that comfort sense cannot be brought to user.In order to avoid air-conditioner set can be in high-temperature refrigeration
When there is no the situation of high voltage protective, generally using reducing air-conditioning system by the way of the heat exchange efficiency of the condenser of raising outside
The high-pressure of system, i.e. by the high-pressure for improving the rotating speed of outdoor fan to reduce air-conditioning system.But the disadvantage of the method
End is the efficiency for increasing cost and reducing whole machine.Additionally, also have in existing method being dropped using the aperture for tuning up choke valve
The mode of the high-pressure of low latitude adjusting system, but this method can reduce the refrigerating capacity of whole machine, reduce its refrigeration.
For this reason, it may be necessary to a kind of high-temperature refrigeration air-conditioning system is designed, to overcome drawbacks described above so that air-conditioning system is in high temperature system
Under cold pattern, operation of freely starting shooting is not only able to, and good refrigeration can also be kept, so as to lift the energy of whole machine
Effect, good comfort is brought to user.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to provide a kind of high-temperature refrigeration air-conditioning system, to solve air-conditioning system of the prior art
Under high-temperature refrigeration pattern, because radiating effect is poor, so that when outdoor unit runs, often leading to pressure very high so that empty
Adjusting system is easily accessible the problem of the state of high voltage protective.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of high-temperature refrigeration air-conditioning system, including：Can be formed
Refrigerating circuit heats compressor, outdoor heat exchanger, throttling arrangement and the indoor heat exchanger in loop, also including with the room
External heat exchanger is respectively equipped with supplementary heat exchanger and electromagnetism adjustment portion in the bypass line of parallel setting on the bypass line
Part；And the pressure sensor of the gas outlet of the compressor is arranged on, wherein, the pressure is detected by the pressure sensor
The pressure of the gas outlet of contracting machine, so as to control the electromagnetism regulating member act to be switched on or switched off the bypass accordingly
Pipeline.
Wherein, the supplementary heat exchanger includes the fin being arranged on the periphery wall of the bypass line, wherein, the wing
The internal structure of piece has receiving space, and heat transfer medium is housed in the receiving space.
Wherein, the fin is set for multiple and in compartment.
Wherein, the air-conditioning system also includes the refrigerant that gas-liquid two-phase mixes can be carried out the gas-liquid separation of gas-liquid separation
Device, wherein, the gas-liquid separator is connected with the gas returning port of the compressor.
Wherein, the indoor heat exchanger, the throttling arrangement and the outdoor heat exchanger are sequentially connected, the compressor
It is connected with the indoor heat exchanger and the outdoor heat exchanger respectively by four-way reversing arrangement.
Wherein, the air-conditioning system also includes being capable of first filter and the second filter of impurity screening, wherein, it is described
First filter and second filter are separately positioned on the both sides of the throttling arrangement.
(3) beneficial effect
The high-temperature refrigeration air-conditioning system that the utility model is provided, compared with prior art, has the following advantages that：
The air-conditioning system of the application sets up pressure sensor by the gas outlet in compressor such that it is able to according to compressor
The change of pressure of gas outlet control the opening and closing of electromagnetism regulating member.Further, once pressure sensor is examined
When the pressure for measuring the gas outlet of compressor is in high-temperature refrigeration more than air-conditioning system during the pressure value of the gas outlet of compressor, then
Above-mentioned electromagnetism regulating member need to be opened, a part of refrigerant in compressor is transported in outdoor heat exchanger and is exchanged heat, separately
A part of refrigerant carries out auxiliary heat-exchanging in being transported to supplementary heat exchanger, just can so play the work of shunting, partial pressure, enhanced heat exchange
With so as to greatly reduce operating pressure and temperature of the air-conditioning system under worst hot case, further, serving prevents sky
Adjusting system enters into the effect of the state of high voltage protective, it is ensured that the refrigeration of air-conditioning system, meanwhile, also improve the air-conditioning
The efficiency of system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the high-temperature refrigeration air-conditioning system of embodiments herein；
Fig. 2 is the overall structure diagram of the supplementary heat exchanger in Fig. 1.
In figure, 100：Air-conditioning system；1：Compressor；11：The gas outlet of compressor；12：The gas returning port of compressor；2：It is outdoor
Heat exchanger；3：Throttling arrangement；4：Indoor heat exchanger；5：Bypass line；6：Supplementary heat exchanger；61：Fin；7：Electromagnetism adjustment portion
Part；8：Pressure sensor；9：Gas-liquid separator device；10：Four-way reversing arrangement；20：First filter；30：Second filter.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to scope of the present utility model.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As shown in figure 1, Fig. 1 schematically shows that the air-conditioning system 100 includes to form refrigerating circuit or heating
The compressor 1 in loop, outdoor heat exchanger 2, throttling arrangement 3, indoor heat exchanger 4, bypass line 5, supplementary heat exchanger 6, electromagnetism are adjusted
Section part 7 and pressure sensor 8.
In embodiments herein, compressor 1, outdoor heat exchanger 2, throttling arrangement 3 and indoor heat exchanger 4 being capable of shapes
Into refrigerating circuit or heat loop.
Above-mentioned bypass line 5 is in parallel setting with outdoor heat exchanger 2, and being respectively equipped with auxiliary on the bypass line 5 changes
Hot device 6 and electromagnetism regulating member 7.It should be noted that the supplementary heat exchanger 6 can be finned heat exchanger, the electromagnetism adjustment portion
Part 7 can be magnetic valve.It is readily appreciated that, the setting of the electromagnetism regulating member 7 primarily serves the work of the break-make for controlling the bypass line 5
With, thus, the electromagnetism regulating member 7 is alternatively check valve.
The pressure sensor 8 is arranged on the gas outlet 11 of compressor 1, wherein, compressor is detected by the pressure sensor 8
The pressure value of 1 gas outlet 11, so as to control the electromagnetism regulating member 7 act to be switched on or switched off bypass line 5 accordingly.
As can be seen here, pressure sensor 8 is set up by the gas outlet 11 in compressor 1 such that it is able to the gas outlet 11 according to compressor 1
The change of pressure control the opening and closing of electromagnetism regulating member 7.Further, once pressure sensor 8 detects pressure
The pressure value of the gas outlet 11 of compressor 1 when the pressure of the gas outlet 11 of contracting machine 1 is in high-temperature refrigeration more than air-conditioning system 100
When, then needing to open above-mentioned electromagnetism regulating member 7, a part of refrigerant in compressor 1 is transported in outdoor heat exchanger 2 to be carried out
Heat exchange, another part refrigerant carries out auxiliary heat-exchanging, just can so play shunting, partial pressure, reinforcing in being transported to supplementary heat exchanger 6
The effect of heat exchange, so as to greatly reduce operating pressure and temperature of the air-conditioning system 100 under worst hot case, further,
Serve the effect of the state for preventing air-conditioning system 100 from entering into high voltage protective, it is ensured that the refrigeration of air-conditioning system 100,
Meanwhile, also improve the efficiency of the air-conditioning system 100.
As depicted in figs. 1 and 2, in one embodiment of the application, the supplementary heat exchanger 6 includes being arranged on bypass line
Fin 61 on 5 periphery wall, wherein, the internal structure of the fin 61 has receiving space, equipped with heat transfer in the receiving space
Medium.It should be noted that the heat transfer medium can be liquid heat transfer medium.Specifically, when refrigerant flows through the bypass line 5,
The refrigerant can carry out heat exchange with the heat transfer medium in fin 61, so that by the heat transfer of the refrigerant to heat transfer medium, and make
Refrigerant be cooled to liquid, the heat transfer medium absorb refrigerant heat after can become gaseous state, become gaseous refrigerant again with fin
61 flows outside air carries out heat exchange, so as to realize being transferred to the heat of refrigerant in air, further, it is right to have reached
The purpose of the shunting, partial pressure and enhanced heat exchange of refrigerant, further, reduces operation pressure of the air-conditioning system 100 under worst hot case
Power and temperature, it is to avoid the phenomenon that protection is shut down occur.
In another embodiment of the application, the fin 61 is set for multiple and in compartment.So, due to fin
61 number increases, such that it is able to play a part of to accelerate shunting, partial pressure and the enhanced heat exchange of refrigerant.
As shown in figure 1, in one embodiment of the application, the air-conditioning system 100 also includes to mix gas-liquid two-phase
The refrigerant of conjunction carries out the gas-liquid separator 9 of gas-liquid separation, wherein, the gas-liquid separator 9 is connected with the gas returning port 12 of compressor 1.
It is readily appreciated that, by the setting of the gas-liquid separator 9, the gas-liquid separation to refrigerant can be realized, it is to avoid liquid coolant is entered into
Cause compressor 1 that the phenomenon of liquid hammer occurs in compressor 1.
In another embodiment, the indoor heat exchanger 4, throttling arrangement 3 and outdoor heat exchanger 2 are sequentially connected, the pressure
Contracting machine 1 is connected with outdoor heat exchanger 2 and indoor heat exchanger 4 respectively by four-way reversing arrangement 10.It should be noted that this four
Logical reversing arrangement 10 can be four-way reversing valve or two check valves in parallel setting, the setting of the four-way reversing arrangement 10,
Primarily serve the effect of the mutual switching realized above-mentioned refrigerating circuit and heat loop.
As shown in figure 1, in one embodiment, the air-conditioning system 100 also includes being capable of the first filter of impurity screening
20 and second filter 30, wherein, the first filter 20 and the second filter 30 are separately positioned on the both sides of throttling arrangement 3.This
Sample, because air-conditioning system 100 is when being heated or being freezed, flow direction of the refrigerant in pipeline is opposite, thus, in order to ensure
The cleannes of the refrigerant flowed out from indoor heat exchanger 4 and outdoor heat exchanger 2, by setting up the first filter 20 and the second filtering
Device 30 just can avoid containing impurity in refrigerant, further, it is to avoid block the pipeline of cooling matchmaker flowing, it is ensured that refrigerant it is smooth
Flowing.
In one embodiment, the heat transfer medium in the fin 61 can be refrigerant or alcohol of low boiling point etc..
According to the utility model, the detailed process of the control method of the air-conditioning system 100 is as follows：
The pressure voltage for setting air-conditioning system 100 is respectively the first preset value and the second preset value, and causes that this second is preset
Value is less than the first preset value.It should be noted that first preset value is pressure when air-conditioning system 100 is in high-temperature refrigeration pattern
Force value, second preset value is so that air-conditioning system 100 exits the pressure value of high-temperature refrigeration pattern.In addition, by cause this
Two preset values are less than the first preset value, once can then avoid pressure sensor 8 from detecting the pressure of the gas outlet 11 of compressor 1
Value is shut off less than the first preset pressure value, is switched on more than the first preset pressure value, so as to cause electromagnetism regulating member 7 because of frequency
Numerous switch and situation about being damaged.
Obtain the pressure value of the gas outlet 11 of compressor 1.Specifically, the outlet of compressor 1 is obtained by pressure sensor 8
The pressure value of mouth 11.
The pressure value of the gas outlet 11 of compressor 1 and the first preset pressure value are compared, when the gas outlet of compressor 1
When 11 pressure value is more than or equal to the first preset value, then show that air-conditioning system 100 is in high-temperature refrigeration pattern, so as to open electromagnetism
Regulating member 7 simultaneously carries out auxiliary heat exchange by supplementary heat exchanger 6 to refrigerant.Specifically, when pressure sensor 8 is once detected
When the pressure value of the gas outlet 11 of compressor 1 is more than or equal to the first preset value, then electromagnetism regulating member 7 is opened, will be a part of cold
Matchmaker is exchanged heat in being transported to outdoor heat exchanger 2, meanwhile, another part refrigerant is transported in supplementary heat exchanger 6 and is changed
Heat, i.e. when refrigerant flows through the bypass line 5, the refrigerant can carry out heat exchange with the heat transfer medium in fin 61, so that should
The heat transfer of refrigerant causes that refrigerant is cooled to liquid to heat transfer medium, can become after the heat of heat transfer medium absorption refrigerant
Into gaseous state, become gaseous refrigerant carries out heat exchange with the flows outside air of fin 61 again, so as to realize the heat of refrigerant
It is transferred in air, further, has reached the purpose of the shunting, partial pressure and enhanced heat exchange to refrigerant, further, reduces empty
Operating pressure and temperature of the adjusting system 100 under worst hot case, it is to avoid the phenomenon that protection is shut down occur.
The pressure value of the gas outlet 11 of compressor 1 is compared with the second preset pressure value less than the first preset pressure value
Compared with when the pressure value of the gas outlet 11 of compressor 1 is less than the second preset value, then electromagnetism regulating member 7 is shut off such that air-conditioning
System 100 enters normal refrigeration mode.
In one embodiment, when the air-conditioning system 100 is in high-temperature refrigeration pattern, then by opening electromagnetism adjustment portion
Part 7 carries out heat exchange to cause the Part I refrigerant flowed out from the gas outlet 11 of compressor 1 to be transported in outdoor heat exchanger 2,
Meanwhile, the Part II refrigerant flowed out from the gas outlet 11 of compressor 1 is transported in supplementary heat exchanger 6 to carry out aiding in hot friendship
Change.
In one embodiment, first preset pressure value is that compressor 1 goes out when air-conditioning system 100 is in high-temperature refrigeration
The pressure value of gas port 11, second preset pressure value is for so that air-conditioning system 100 is freezed from high-temperature refrigeration pattern switching for common
The pressure value of pattern.Wherein, first preset value, the second preset value, the first preset pressure value and the second preset pressure value
Specific size can accordingly be set according to actual situation.
In one embodiment of the present utility model, above-mentioned first preset value, the second preset value, the first preset pressure value with
And second the setting of preset pressure value be controlled by main controller, the opening of electromagnetism regulating member 7 is entered by pressure sensor 8
Row monitoring is simultaneously controlled by main controller.However, it is necessary to explanation, the concrete structure of main controller and effect are the skills of this area
Well known to art personnel, thus, it is not described further herein.
In sum, the air-conditioning system 100 of the application sets up pressure sensor 8 by the gas outlet 11 in compressor 1, from
And the opening and closing of electromagnetism regulating member 7 can be controlled according to the change of the pressure of the gas outlet 11 of compressor 1.Further
Ground, when the pressure that the gas outlet 11 of compressor 1 is detected once pressure sensor 8 is in high-temperature refrigeration more than air-conditioning system 100
During the pressure value of the gas outlet 11 of compressor 1, then need to open above-mentioned electromagnetism regulating member 7, will be a part of cold in compressor 1
Matchmaker is exchanged heat in being transported to outdoor heat exchanger 2, and another part refrigerant carries out auxiliary heat-exchanging in being transported to supplementary heat exchanger 6, this
Sample just can play a part of shunting, partial pressure, enhanced heat exchange, so as to greatly reduce air-conditioning system 100 under worst hot case
Operating pressure and temperature, further, serve the effect of the state for preventing air-conditioning system 100 from entering into high voltage protective, protect
The refrigeration of air-conditioning system 100 has been demonstrate,proved, meanwhile, also improve the efficiency of the air-conditioning system 100.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of high-temperature refrigeration air-conditioning system, including refrigerating circuit can be formed or the compressor in loop, outdoor heat exchange is heated
Device, throttling arrangement and indoor heat exchanger, it is characterised in that also including with the outdoor heat exchanger in parallel setting bypass
Pipeline, is respectively equipped with supplementary heat exchanger and electromagnetism regulating member on the bypass line；And
The pressure sensor of the gas outlet of the compressor is arranged on, wherein, the compression is detected by the pressure sensor
The pressure of the gas outlet of machine, so as to control the electromagnetism regulating member act to be switched on or switched off the bypass pipe accordingly
Road.
2. high-temperature refrigeration air-conditioning system according to claim 1, it is characterised in that the supplementary heat exchanger includes being arranged on
Fin on the periphery wall of the bypass line, wherein, the internal structure of the fin has receiving space, in the receiving space
In be equipped with heat transfer medium.
3. high-temperature refrigeration air-conditioning system according to claim 2, it is characterised in that the fin is multiple and in interval
Formula is set.
4. high-temperature refrigeration air-conditioning system according to claim 1, it is characterised in that the air-conditioning system also includes can be by
The refrigerant of gas-liquid two-phase mixing carries out the gas-liquid separator of gas-liquid separation, wherein, the gas-liquid separator and the compressor
Gas returning port is connected.
5. high-temperature refrigeration air-conditioning system according to claim 1, it is characterised in that the indoor heat exchanger, the throttling
Device and the outdoor heat exchanger are sequentially connected, the compressor by four-way reversing arrangement respectively with the indoor heat exchanger
And the outdoor heat exchanger connection.
6. high-temperature refrigeration air-conditioning system according to claim 1, it is characterised in that the air-conditioning system also includes being capable of mistake
First filter and the second filter of impurity are filtered, wherein, first filter and second filter are separately positioned on
The both sides of the throttling arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307950.XU CN206281108U (en) | 2016-11-30 | 2016-11-30 | A kind of high-temperature refrigeration air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621307950.XU CN206281108U (en) | 2016-11-30 | 2016-11-30 | A kind of high-temperature refrigeration air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN206281108U true CN206281108U (en) | 2017-06-27 |
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| CN201621307950.XU Active CN206281108U (en) | 2016-11-30 | 2016-11-30 | A kind of high-temperature refrigeration air-conditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403118A (en) * | 2016-11-30 | 2017-02-15 | 广东美的制冷设备有限公司 | High-temperature refrigeration air conditioner system and control method thereof |
| CN112432377A (en) * | 2020-11-30 | 2021-03-02 | 珠海格力电器股份有限公司 | Air conditioning system, control method thereof and heat pump air conditioner |
-
2016
- 2016-11-30 CN CN201621307950.XU patent/CN206281108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403118A (en) * | 2016-11-30 | 2017-02-15 | 广东美的制冷设备有限公司 | High-temperature refrigeration air conditioner system and control method thereof |
| CN112432377A (en) * | 2020-11-30 | 2021-03-02 | 珠海格力电器股份有限公司 | Air conditioning system, control method thereof and heat pump air conditioner |
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