CN206055991U - A kind of air-conditioner refrigerating system - Google Patents
A kind of air-conditioner refrigerating system Download PDFInfo
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- CN206055991U CN206055991U CN201621061830.6U CN201621061830U CN206055991U CN 206055991 U CN206055991 U CN 206055991U CN 201621061830 U CN201621061830 U CN 201621061830U CN 206055991 U CN206055991 U CN 206055991U
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- compressor
- air
- exchanging pipe
- refrigerating system
- conditioner refrigerating
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Abstract
This utility model is related to air-conditioning technical field, more particularly to a kind of air-conditioner refrigerating system, including refrigerating circuit, compressor, condenser and vaporizer have been sequentially connected in series in the refrigerating circuit, also include for cooling down the heat exchanger of the compressor, the heat exchanger includes heat exchanging pipe, and the heat exchanging pipe is in parallel with the vaporizer.Refrigerant evaporation heat absorption in the air-conditioner refrigerating system heat exchanging pipe that this utility model embodiment is provided, makes the temperature drop of compressor casing, it is ensured that compressor still normally can be run in the case of high-temperature high-load.
Description
Technical field
This utility model is related to air-conditioning technical field, more particularly to a kind of air-conditioner refrigerating system.
Background technology
As geographical position, weather conditions, greenhouse effect, EI Nino etc. affect, global numerous local temperatures are very scorching
Heat, and temperature marks 35 DEG C far above general, and such as Middle East, the temperature in summer can reach 55 DEG C, and extreme weather is asked
, up to 60 DEG C～70 DEG C, in this case, user is very urgent for the demand of refrigeration for the lower outdoor temperature of topic.But due to room
Outer high temperature, air conditioning system operating load will be very big, for the impact of compressor is especially apparent, in the case of a high temperature, compressor
Performance will decline, or even shutdown can be protected as compressor casing generates heat, it is impossible to normal to run.
Utility model content
(1) technical problem to be solved
The technical problems to be solved in the utility model is to solve compressor heating under prior art high temperature high load capacity environment
Cannot normal work problem.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of air-conditioner refrigerating system, including refrigerating circuit,
Compressor, condenser and vaporizer are sequentially connected in series in the refrigerating circuit, have also been included for cooling down changing for the compressor
Hot device, the heat exchanger include heat exchanging pipe, and the heat exchanging pipe is in parallel with the vaporizer.
According to this utility model, the arrival end of the heat exchanging pipe is in series with first flow regulating valve, the vaporizer
Arrival end is in series with second flow regulating valve.
According to this utility model, the first flow regulating valve and second flow regulating valve are expansion valve.
According to this utility model, the heat exchanger is annular, is coated on the outside of the compressor.
According to this utility model, the heat exchanger is provided with radiating fin away from the side of the compressor.
According to this utility model, the heat exchanger includes heat conducting element, and the heat exchanging pipe is arranged in the heat conducting element
It is interior.
According to this utility model, the heat conducting element is made using metallic aluminium.
According to this utility model, the exit of the condenser is provided with throttle capillary tube, and the throttle capillary tube passes through liquid
Body allotter is connected with the vaporizer and the heat exchanging pipe respectively.
According to this utility model, the heat exchanging pipe is copper pipe.
(3) beneficial effect
Above-mentioned technical proposal of the present utility model is had the advantage that compared with prior art：This utility model embodiment is carried
For air-conditioner refrigerating system be provided with for cooling down the heat exchanger of compressor, and the heat exchanging pipe in heat exchanger and vaporizer phase
Parallel connection, when lid refrigeration system works, compressor is discharged high temperature and high pressure gas coolant and is condensed into condenser, obtains low-temp low-pressure
Liquid coolant, liquid coolant are divided into two-way, are transported to vaporizer all the way, and another road is transported to heat exchanging pipe, in heat exchanging pipe
Refrigerant evaporation absorbs heat, and makes the temperature drop of compressor casing, it is ensured that compressor still can in the case of high-temperature high-load
It is normal to run.
Description of the drawings
Fig. 1 is the structural representation of the air-conditioner refrigerating system that this utility model embodiment is provided；
Fig. 2 is the combining structure schematic diagram of the compressor that this utility model embodiment is provided and heat exchanger；
Fig. 3 is the structural representation of the heat exchanger that this utility model embodiment is provided.
In figure：1：Compressor；2：Condenser；3：Vaporizer；4：Heat exchanger；41：Heat exchanging pipe；42：Heat conducting element；43：
Fin；5：First flow regulating valve；6：Second flow regulating valve；7：Throttle capillary tube.
Specific embodiment
It is to make purpose, technical scheme and the advantage of this utility model embodiment clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of the present utility model, rather than the embodiment of whole.Based on the reality in this utility model
Apply example, the every other embodiment obtained on the premise of creative work is not made by those of ordinary skill in the art, all
Belong to the scope of this utility model protection.
As shown in figure 1, the air-conditioner refrigerating system that this utility model embodiment is provided, including refrigerating circuit, refrigerating circuit
On be sequentially connected in series compressor 1, condenser 2 and vaporizer 3, also include for cooling down the heat exchanger 4 of compressor 1, heat exchanger 4
Including heat exchanging pipe 41, heat exchanging pipe 41 is in parallel with vaporizer 3.Preferably, the heat exchanging pipe 41 in the present embodiment is heat conduction
The higher copper pipe of coefficient.The air-conditioner refrigerating system that this utility model embodiment is provided is provided with for cooling down the heat exchange of compressor 1
Heat exchanging pipe 41 in device 4, and heat exchanger 4 is in parallel with vaporizer 3, and when lid refrigeration system works, compressor 1 discharges height
Warm pressurized gas refrigerant is condensed into condenser 2, obtains Low temperature low pressure liquid coolant, and liquid coolant is divided into two-way, conveys all the way
To vaporizer 3, another road is transported to heat exchanging pipe 41, the refrigerant evaporation heat absorption in heat exchanging pipe 41, makes the temperature of 1 cylinder body of compressor
Degree declines, it is ensured that compressor 1 still normally can be run in the case of high-temperature high-load.
Further, in the present embodiment, the arrival end of heat exchanging pipe 41 is in series with first flow regulating valve 5, vaporizer 3
Arrival end is in series with second flow regulating valve 6.Preferably, in the present embodiment first flow regulating valve 5 and second flow is adjusted
Valve 6 is expansion valve.First flow regulating valve 5 is arranged in the arrival end of heat exchanging pipe 41 can be in order to into heat exchanger 4
Whether the cold medium flux in heat exchanging pipe 41 is controlled, need to cool down according to compressor 1 and the degree of superheat of compressor 1 is opened
The aperture of control first flow regulating valve 5, so as to realize for the reed time controll of the cooling of compressor 1, it is to avoid persistently to compressor 1
Cooling, the shunting of heat exchanging pipe 41 can reduce the cooling effect of vaporizer 3 in refrigeration system, it is ensured that compressor 1 is in positive room temperature
Save energy consumption while work under degree scope as far as possible.
Further, as shown in Fig. 2 the heat exchanger 4 in the present embodiment is annular, it is coated on the outside of compressor 1.This reality
The outside for being coated on compressor 1 in example is applied, the outer wall of cylinder block directly contact with compressor 1, heat transfer effect are preferable.
Preferably, as shown in figure 3, heat exchanger 4 is additionally provided with radiating fin 43 away from the side of compressor 1 in the present embodiment.
The radiating fin 43 of setting is conducive to radiating, improves the heat transfer effect of heat exchanger 4.
Further, the heat exchanger 4 in the present embodiment includes heat conducting element 42, and heat exchanging pipe 41 is arranged in heat conducting element 42
It is interior.Preferably, the heat conducting element 42 in the present embodiment is made using metallic aluminium.Heat exchanging pipe 41 is arranged in into heat conducting element 42
Interior, heat conducting element 42 is made using the larger material of the heat conductivitys such as metallic aluminium, copper, and heat conducting element 42 increases heat exchanging pipe 41
With the heat exchange area of 1 cylinder body of compressor, 1 cylinder body of compressor entirety good cooling results, uniform temperature fields are conducive to compressor 1
It is normal to run.
Further, in the present embodiment, the exit of condenser 2 is provided with throttle capillary tube 7, and throttle capillary tube 7 passes through liquid
Allotter is connected with vaporizer 3 and heat exchanging pipe 41 respectively.Throttle capillary tube 7 is for the cold interior drop to 2 exit of condenser
Pressure drop temperature, blood pressure lowering cooling after coolant Jing liquid distributors are assigned in vaporizer 3 or heat exchanging pipe 41 again, safety compared with
It is good.
The control method of the air-conditioner refrigerating system that this utility model embodiment is provided is to work temperature according to characterizing compressor 1
The difference of high temperature value is spent, the aperture of first flow regulating valve 5 is controlled.
Specifically, the condition for 5 aperture of first flow regulating valve being controlled in the present embodiment can be multiple different types of tables
Levy the too high temperature value of 1 operating temperature of compressor.For example, the first situation, as 5 aperture control condition of first flow regulating valve
Temperature value can be outdoor environment temperature value, when outdoor environment temperature value reaches the first set temperature value, open it is first-class
Adjustable valve 5, and first flow regulating valve 5 is controlled according to the size of outdoor environment temperature value open to corresponding aperture, i.e., when
When outdoor environment temperature is too high, first flow regulating valve 5 is opened, is controlled for the cooling of compressor 1 according to the height of temperature
Degree；Second situation, can be 1 delivery temperature of compressor as the temperature value of 5 aperture control condition of first flow regulating valve
Value, when 1 outlet air temperature of compressor reaches the first set temperature value, opens first flow regulating valve 5, and according to compressor 1
The size control first flow regulating valve 5 of outlet air temperature is opened to corresponding aperture, i.e., when 1 excessive discharge temperature of compressor
When, illustrate that the service behaviour of compressor 1 has declined, need to cool down compressor 1, it is right to control according to the height of temperature
In the cooling degree of compressor 1；The third situation, as the temperature value of 5 aperture control condition of first flow regulating valve can be
1 center housing temperature value of compressor, when 1 center housing temperature value of compressor reaches the first set temperature value, opens first flow regulating valve
5, and opened to corresponding aperture according to the size of 1 center housing temperature value of compressor control first flow regulating valve 5, that is, work as compressor
When 1 center housing temperature is too high, need to cool down compressor 1, the cooling journey for compressor 1 is controlled according to the height of temperature
Degree.It is used for controlling in the present embodiment the aperture of first flow regulating valve 5 namely control for the control of the cooling degree of compressor 1
Condition can choose above-mentioned any one according to the difference of air conditioning system to may indicate that too high several of 1 operating temperature of compressor
Plant temperature value, or take various combinations that can characterize the too high temperature value of 1 operating temperature of compressor, when specifically used
Using above-mentioned three kinds of temperature values as control condition, but the control hierarchy of three kinds of temperature values can be set, it is preferential from compression
Used as control condition, 1 outlet air temperature of compressor takes second place 1 center housing temperature value of machine, finally using outdoor environment temperature as control strip
Part, Comprehensive Control ensure that compressor 1 remains good working order.
Finally it should be noted that：Above example only to illustrate the technical solution of the utility model, rather than a limitation；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
Which still can be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment technology of this utility model
The spirit and scope of scheme.
Claims (9)
1. a kind of air-conditioner refrigerating system, including refrigerating circuit, compressor, condenser have been sequentially connected in series in the refrigerating circuit with
And vaporizer, it is characterised in that：Also include that, for cooling down the heat exchanger of the compressor, the heat exchanger includes heat exchanging pipe,
The heat exchanging pipe is in parallel with the vaporizer.
2. air-conditioner refrigerating system according to claim 1, it is characterised in that：The arrival end of the heat exchanging pipe is in series with
First flow regulating valve, the arrival end of the vaporizer are in series with second flow regulating valve.
3. air-conditioner refrigerating system according to claim 2, it is characterised in that：The first flow regulating valve and second
Adjustable valve is expansion valve.
4. air-conditioner refrigerating system according to claim 1 and 2, it is characterised in that：The heat exchanger is annular, is coated on
The outside of the compressor.
5. air-conditioner refrigerating system according to claim 3, it is characterised in that：The heat exchanger is away from the compressor
Side is provided with radiating fin.
6. air-conditioner refrigerating system according to claim 3, it is characterised in that：The heat exchanger includes heat conducting element, institute
State heat exchanging pipe to be arranged in the heat conducting element.
7. air-conditioner refrigerating system according to claim 6, it is characterised in that：The heat conducting element adopts metal aluminum
Into.
8. air-conditioner refrigerating system according to claim 1, it is characterised in that：The exit of the condenser is provided with throttling
Capillary tube, the throttle capillary tube are connected with the vaporizer and the heat exchanging pipe respectively by liquid distributor.
9. air-conditioner refrigerating system according to claim 1, it is characterised in that：The heat exchanging pipe is copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061830.6U CN206055991U (en) | 2016-09-18 | 2016-09-18 | A kind of air-conditioner refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061830.6U CN206055991U (en) | 2016-09-18 | 2016-09-18 | A kind of air-conditioner refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206055991U true CN206055991U (en) | 2017-03-29 |
Family
ID=58370566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621061830.6U Active CN206055991U (en) | 2016-09-18 | 2016-09-18 | A kind of air-conditioner refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206055991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225275A (en) * | 2016-09-18 | 2016-12-14 | 广东美的制冷设备有限公司 | A kind of air-conditioner refrigerating system and control method thereof |
| CN110608555A (en) * | 2019-09-30 | 2019-12-24 | 珠海格力电器股份有限公司 | Cylinder, cooling circuit, control method, compressor and air conditioning system |
-
2016
- 2016-09-18 CN CN201621061830.6U patent/CN206055991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225275A (en) * | 2016-09-18 | 2016-12-14 | 广东美的制冷设备有限公司 | A kind of air-conditioner refrigerating system and control method thereof |
| CN110608555A (en) * | 2019-09-30 | 2019-12-24 | 珠海格力电器股份有限公司 | Cylinder, cooling circuit, control method, compressor and air conditioning system |
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