CN204478317U - The off-premises station of air-conditioning and air-conditioning - Google Patents
The off-premises station of air-conditioning and air-conditioning Download PDFInfo
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- CN204478317U CN204478317U CN201420815952.4U CN201420815952U CN204478317U CN 204478317 U CN204478317 U CN 204478317U CN 201420815952 U CN201420815952 U CN 201420815952U CN 204478317 U CN204478317 U CN 204478317U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a kind of off-premises station and air-conditioning of air-conditioning.This off-premises station comprises: the first stop valve, force piece, condenser, throttle part and the second stop valve; First port of force piece is connected with the first stop valve, the second port is connected with one end of condenser, and one end of throttle part is connected with the second stop valve, the other end is connected with the other end of condenser; Unloader, to be installed between the second stop valve and the other end of condenser and to be in parallel with electric expansion valve.The off-premises station of the air-conditioning that the utility model provides, widen the flow adjustment range of off-premises station cold-producing medium, enable air-conditioning adapt to the working environment of high temperature, high load capacity, improve reliability and the scope of application of air-conditioning, better met consumer demand, its practicality is better.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to a kind of off-premises station of air-conditioning and a kind of air-conditioning including this off-premises station.
Background technology
The off-premises station of existing air-conditioning, generally all be arranged in reja, installing space is less, cause the radiating effect of off-premises station poor, cause off-premises station local temperature too high (especially in summer, the temperature around off-premises station even can reach about 55 degree Celsius) around in use.
Existing off-premises station is all generally adopt electric expansion valve to be used as throttle part, and the refrigerant flow adjustable range of electric expansion valve is less and limited, the demand of off-premises station to refrigerant flow under high temperature, high load capacity duty can not be met, thus cause the problem such as poor refrigerating efficiency, power consumption increase of air-conditioning.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, the utility model provides a kind of off-premises station of air-conditioning of applied widely, reliable operation.
For achieving the above object, the utility model provides a kind of off-premises station of air-conditioning, comprising: the first stop valve, force piece, condenser, throttle part and the second stop valve; First port of described force piece is connected with described first stop valve, the second port is connected with one end of described condenser, and one end of described throttle part is connected with described second stop valve, the other end is connected with the other end of described condenser; Unloader, to be installed between described second stop valve and the described other end of described condenser and to be in parallel with described electric expansion valve.
It should be noted that, under normal conditions, unloader is in closed condition, and the off-premises station of air-conditioning regulates the flow of cold-producing medium by means of only throttle part; When the temperature of off-premises station surrounding environment is too high, refrigeration system load is excessive, and system pressure is high, and when reaching pressure limit value, unloader is opened automatically, increases refrigeration system flow adjustment range, improves the reliability of refrigeration system.
The off-premises station of the air-conditioning that the utility model provides, widen the flow adjustment range of off-premises station cold-producing medium, enable air-conditioning adapt to the working environment of high temperature, high load capacity, improve reliability and the scope of application of air-conditioning, better met consumer demand, its practicality is better.
In addition, the off-premises station of the air-conditioning provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, described force piece comprises: compressor, it has outlet and entrance; And cross valve, it have A port, B port, C port and D port: described A port is connected with the outlet of described compressor, described C port is connected with the entrance of described compressor, and described D port is connected with described one end of described condenser, and described B port is connected with described first stop valve; That is: described B port is the first port of described force piece, and described D port is the second port of described force piece.
It should be noted that, when described cross valve power-off, described A port is connected with described D port, and described B port is connected with described C port; When described cross valve energising, described A port is connected with described B port, and described D port is connected with described C port.So, when air conditioner refrigerating time, described cross valve power-off, when air-conditioning heating time, described cross valve energising.
According to an embodiment of the present utility model, described first stop valve and described second stop valve are high-low voltage stop valve.
Preferably, described throttle part is heating power expansion valve, and its cost is lower, and can be applicable to the off-premises station of larger air-conditioning, practicality is better.
Preferably, described throttle part is electric expansion valve, can conform preferably and the change of load, and environmentally regulate the flow of cold-producing medium in time with the change of load, improves the comfortableness that the reliability of air-conditioning and consumer use.
Preferably, described throttle part is capillary, and manufacturing process is simple, easy for installation, is applicable to the off-premises station of less air-conditioning.
Particularly, the off-premises station of air-conditioning also includes: the housing with inner cavity chamber; Fan, described fan is arranged in described inner cavity chamber, and is positioned at the front of described condenser; Median septum, is arranged in described inner cavity chamber, and described inner cavity chamber is divided into left chamber and right chamber two parts; Wherein, described compressor, described cross valve, described electric expansion valve, described unloader are arranged in described right chamber, and described fan and described condenser are arranged in described left chamber.
The embodiment of another aspect of the utility model provides a kind of air-conditioning, comprising: the off-premises station of the air-conditioning as described in above-mentioned any embodiment; And indoor set.
The air-conditioning that the utility model provides, its structure is simple, and applied widely, reliability is high, can better meet consumer demand, meets the theory of optimization of enterprises product design.
According to an embodiment of the present utility model, described indoor set comprises: housing; Fan assembly, is arranged in described housing; Be arranged on the evaporimeter in described housing, be positioned at one side of described fan assembly, and described evaporimeter encloses along the circumference of described wind wheel.
According to an embodiment of the present utility model, described fan assembly comprises wind wheel, motor and motor cover.
According to an embodiment of the present utility model, the two ends correspondence of described evaporimeter is connected with described second stop valve with described first stop valve.
Under common duty, unloader is in closed condition, the refrigerative circle system of air-conditioning is: compressor start, the gaseous refrigerant of HTHP is discharged from the D port of cross valve, gaseous refrigerant enters condenser and at condenser heat rejection, be condensed into the liquid refrigerant of middle temperature high pressure, and enter electric expansion valve; After the throttling action of electric expansion valve becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, enter evaporimeter, absorb heat, flash to the gaseous refrigerant of low-temp low-pressure; B port through cross valve gets back to compressor, completes circulation.
Under high-temperature high-load duty, unloader is opened automatically, the refrigerative circle system of air-conditioning is: compressor start, the gaseous refrigerant of HTHP is discharged from the D port of cross valve, gaseous refrigerant enters condenser and at condenser heat rejection, be condensed into the liquid refrigerant of middle temperature high pressure, and enter electric expansion valve and unloader; After the throttling action of electric expansion valve and unloader becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, enter evaporimeter, absorb heat, flash to the gaseous refrigerant of low-temp low-pressure; B port through cross valve gets back to compressor, completes circulation.
In sum, the off-premises station of the air-conditioning that the utility model provides, has widened the flow adjustment range of off-premises station cold-producing medium, air-conditioning is enable to adapt to the working environment of high temperature, high load capacity, improve reliability and the scope of application of air-conditioning, better met consumer demand, its practicality is better.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the air-conditioning described in the utility model embodiment;
Fig. 2 to be electric expansion valve in Fig. 1 with unloader be in parallel structural representation after being connected.
Wherein, the corresponding relation in Fig. 1 and Fig. 2 between Reference numeral and component names is:
1 compressor, 2 cross valves, 21A port, 22B port, 23C port, 24D port, 3 condensers, 4 electric expansion valves, 5 evaporimeters, 6 unloaders.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
The off-premises station of the air-conditioning described in some embodiments of the utility model is described below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the utility model provides a kind of off-premises station of air-conditioning, comprising: the first stop valve, force piece, condenser 3, throttle part and the second stop valve; First port of described force piece is connected with described first stop valve, the second port is connected with one end of described condenser 3, and one end of described throttle part is connected with described second stop valve, the other end is connected with the other end of described condenser 3; Unloader 6, to be installed between described second stop valve and the described other end of described condenser 3 and to be in parallel with described electric expansion valve 4.
It should be noted that, under normal conditions, unloader 6 is in closed condition, and the off-premises station of air-conditioning regulates the flow of cold-producing medium by means of only throttle part; When the temperature of off-premises station surrounding environment is too high, refrigeration system load is excessive, and system pressure is high, and when reaching pressure limit value, unloader 6 is automatically opened and increased refrigeration system flow adjustment range, improves the reliability of refrigeration system.
The off-premises station of the air-conditioning that the utility model provides, widen the flow adjustment range of off-premises station cold-producing medium, enable air-conditioning adapt to the working environment of high temperature, high load capacity, improve reliability and the scope of application of air-conditioning, better met consumer demand, its practicality is better.
In addition, the off-premises station of the air-conditioning provided according to the utility model above-described embodiment also has following additional technical feature:
Preferably, as shown in Figure 1, described force piece comprises: compressor 1, it has outlet and entrance; With cross valve 2, it have A port 21, B port 22, C port 23 and D port 24: described A port 21 is connected with the outlet of described compressor 1, described C port 23 is connected with the entrance of described compressor 1, described D port 24 is connected with described one end of described condenser 3, and described B port 22 is connected with described first stop valve; That is: described B port 22 is the first port of described force piece, and described D port 24 is the second port of described force piece.
It should be noted that, when described cross valve 2 power-off, described A port 21 is connected with described D port 24, and described B port 22 is connected with described C port 23; When described cross valve 2 is energized, described A port 21 is connected with described B port 22, and described D port 24 is connected with described C port 23.So when air conditioner refrigerating time, the power-off of described cross valve 2, when air-conditioning heating time, described cross valve 2 is energized.
Alternatively, described first stop valve and described second stop valve are high-low voltage stop valve.
Preferably, described throttle part is heating power expansion valve, and its cost is lower, and can be applicable to the off-premises station of larger air-conditioning, practicality is better.
Preferably, as depicted in figs. 1 and 2, described throttle part is electric expansion valve 4, can conform preferably and the change of load, and environmentally regulate the flow of cold-producing medium in time with the change of load, improve the reliability of air-conditioning and the comfortableness of consumer's use.
Preferably, described throttle part is capillary, and manufacturing process is simple, easy for installation.Particularly, the off-premises station of air-conditioning also includes: the housing with inner cavity chamber; Fan, described fan is arranged in described inner cavity chamber, and is positioned at the front of described condenser 3; Median septum, is arranged in described inner cavity chamber, and described inner cavity chamber is divided into left chamber and right chamber two parts; Wherein, described compressor 1, described cross valve 2, described electric expansion valve 4, described unloader 6 are arranged in described right chamber, and described fan and described condenser 3 are arranged in described left chamber.
The embodiment of another aspect of the utility model provides a kind of air-conditioning, comprising: the off-premises station of the air-conditioning as described in above-mentioned any embodiment; And indoor set.
The air-conditioning that the utility model provides, its structure is simple, and applied widely, reliability is high, can better meet consumer demand, meets the theory of optimization of enterprises product design.
Particularly, described indoor set comprises: housing; Fan assembly, is arranged in described housing; Be arranged on the evaporimeter 5 in described housing, be positioned at one side of described fan assembly, and described evaporimeter 5 encloses along the circumference of described wind wheel.
Further, described fan assembly comprises wind wheel, motor and motor cover.
Preferably, as shown in Figure 1, the two ends correspondence of described evaporimeter 5 is connected with described second stop valve with described first stop valve.
Under common duty, unloader 6 is in closed condition, the refrigerative circle system of air-conditioning is: compressor 1 starts, the gaseous refrigerant of HTHP is discharged from the D port 24 of cross valve 2, gaseous refrigerant enters condenser 3 and in condenser 3 heat release, be condensed into the liquid refrigerant of middle temperature high pressure, and enter electric expansion valve 4; After the throttling action of electric expansion valve 4 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, enter evaporimeter 5, absorb heat, flash to the gaseous refrigerant of low-temp low-pressure; B port 22 through cross valve 2 gets back to compressor 1, completes circulation.
Under high-temperature high-load duty, unloader 6 is opened automatically, the refrigerative circle system of air-conditioning is: compressor 1 starts, the gaseous refrigerant of HTHP is discharged from the D port 24 of cross valve 2, gaseous refrigerant enters condenser 3 and in condenser 3 heat release, be condensed into the liquid refrigerant of middle temperature high pressure, and enter electric expansion valve 4 and unloader 6; After the throttling action of electric expansion valve 4 and unloader 6 becomes the gas-liquid two-phase cold-producing medium of low-temp low-pressure, enter evaporimeter 5, absorb heat, flash to the gaseous refrigerant of low-temp low-pressure; B port 22 through cross valve 2 gets back to compressor 1, completes circulation.
In sum, the off-premises station of the air-conditioning that the utility model provides, has widened the flow adjustment range of off-premises station cold-producing medium, air-conditioning is enable to adapt to the working environment of high temperature, high load capacity, improve reliability and the scope of application of air-conditioning, better met consumer demand, its practicality is better.
Term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an off-premises station for air-conditioning, comprising: the first stop valve, force piece, condenser, throttle part and the second stop valve; First port of described force piece is connected with described first stop valve, the second port is connected with one end of described condenser, and one end of described throttle part is connected with described second stop valve, the other end is connected with the other end of described condenser; It is characterized in that, also comprise:
Unloader, to be installed between described second stop valve and the described other end of described condenser and to be in parallel with described electric expansion valve.
2. the off-premises station of air-conditioning according to claim 1, is characterized in that, described force piece comprises:
Compressor, it has outlet and entrance; With
Cross valve, it have A port, B port, C port and D port: described A port is connected with the outlet of described compressor, described C port is connected with the entrance of described compressor, and described D port is connected with described one end of described condenser, and described B port is connected with described first stop valve; That is:
Described B port is the first port of described force piece, and described D port is the second port of described force piece.
3. the off-premises station of air-conditioning according to claim 1 and 2, is characterized in that,
Described first stop valve and described second stop valve are high-low voltage stop valve.
4. the off-premises station of air-conditioning according to claim 1 and 2, is characterized in that,
Described throttle part is heating power expansion valve.
5. the off-premises station of air-conditioning according to claim 1 and 2, is characterized in that,
Described throttle part is electric expansion valve.
6. the off-premises station of air-conditioning according to claim 1 and 2, is characterized in that,
Described throttle part is capillary.
7. an air-conditioning, is characterized in that, comprising:
The off-premises station of the air-conditioning according to any one of claim 1 to 6; With
Indoor set.
8. air-conditioning according to claim 7, is characterized in that, described indoor set comprises:
Housing;
Fan assembly, is arranged in described housing;
Be arranged on the evaporimeter in described housing, be positioned at one side of described fan assembly, and described evaporimeter encloses along the circumference of described wind wheel.
9. air-conditioning according to claim 8, is characterized in that,
Described fan assembly comprises wind wheel, motor and motor cover.
10. air-conditioning according to claim 9, is characterized in that,
The two ends correspondence of described evaporimeter is connected with described second stop valve with described first stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815952.4U CN204478317U (en) | 2014-12-19 | 2014-12-19 | The off-premises station of air-conditioning and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815952.4U CN204478317U (en) | 2014-12-19 | 2014-12-19 | The off-premises station of air-conditioning and air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN204478317U true CN204478317U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420815952.4U Active CN204478317U (en) | 2014-12-19 | 2014-12-19 | The off-premises station of air-conditioning and air-conditioning |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592341A (en) * | 2018-04-25 | 2018-09-28 | 广东美的制冷设备有限公司 | Control pressurer system, compress control method and air-conditioning |
| CN109489200A (en) * | 2018-11-09 | 2019-03-19 | 珠海格力电器股份有限公司 | A kind of anti-high-pressure control device, air-conditioning and its progress control method |
-
2014
- 2014-12-19 CN CN201420815952.4U patent/CN204478317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592341A (en) * | 2018-04-25 | 2018-09-28 | 广东美的制冷设备有限公司 | Control pressurer system, compress control method and air-conditioning |
| CN109489200A (en) * | 2018-11-09 | 2019-03-19 | 珠海格力电器股份有限公司 | A kind of anti-high-pressure control device, air-conditioning and its progress control method |
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