CN207865749U - A kind of underload energy-saving air conditioning system - Google Patents
A kind of underload energy-saving air conditioning system Download PDFInfo
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- CN207865749U CN207865749U CN201721160750.0U CN201721160750U CN207865749U CN 207865749 U CN207865749 U CN 207865749U CN 201721160750 U CN201721160750 U CN 201721160750U CN 207865749 U CN207865749 U CN 207865749U
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Abstract
The utility model discloses a kind of underload energy-saving air conditioning system, including：Refrigerant circulation loop, gas side shut-off valve, liquid side shut-off valve and load adjusting valve, the refrigerant circulation loop include end to end compressor assembly, outdoor heat exchanger, expansion valve and indoor heat exchanger successively；The gas side shut-off valve is set between the compressor assembly and indoor heat exchanger；Liquid side shut-off valve is set between the indoor heat exchanger and expansion valve；The load adjusting valve is set between the outdoor heat exchanger and liquid side shut-off valve, and in parallel with the expansion valve.For technical solutions of the utility model when the environment temperature of outdoor unit is excessively high, air-conditioning system load is excessive, and pressure is high in refrigerant circulation loop, when more than pressure set points, load adjusting valve automatically opens, and increases air-conditioning system refrigerant flow adjustable range, improves the reliability of air-conditioning system.
Description
Technical field
The utility model is related to technical field of air conditioner refrigeration, more particularly to a kind of underload energy-saving air conditioning system.
Background technology
The throttle part of existing air-conditioning system is typically to use electric expansion valve, and the refrigerant flow of electric expansion valve
Adjustable range is smaller and limited, cannot meet outdoor unit under high temperature, high load capacity working condition to refrigerant flow the needs of, from
And the poor refrigerating efficiency of air-conditioning, power consumption is led to problems such as to increase.
Moreover, existing air-conditioning system is when external load reduces, pressure of inspiration(Pi) will be gradually reduced, when under pressure of inspiration(Pi)
When dropping to low-pressure settings or less, compressor will be out of service；When pressure of inspiration(Pi) goes back up to low-pressure settings or more, compressor
It will restarting.Start-up and shut-down control mode is simple and practicable, but motor start-up is accompanied by larger current and impacts often, and if air-conditioning
System start and stop are frequent, and not only energy loss is big, also greatly shorten compressor service life.
Utility model content
The purpose of this utility model is that solving deficiency in the prior art at least to some extent, a kind of underload is provided
Energy-saving air conditioning system.
To achieve the above object, underload energy-saving air conditioning system provided by the utility model, including：
Refrigerant circulation loop, the refrigerant circulation loop include that end to end compressor assembly, outdoor are changed successively
Hot device, expansion valve and indoor heat exchanger, the compressor assembly include compressor and to switching system in refrigeration mode
Or the four-way valve that heating mode is run；
Gas side shut-off valve, the gas side shut-off valve are set between the compressor assembly and indoor heat exchanger；
Liquid side shut-off valve, liquid side shut-off valve are set between the indoor heat exchanger and expansion valve；
Load adjusting valve, the load adjusting valve are set between the outdoor heat exchanger and liquid side shut-off valve, and
It is in parallel with the expansion valve.
Preferably, the compressor assembly further includes having gas-liquid separator, and the four-way valve includes that there are four ends in order
Mouthful, first port is connect with the gas side shut-off valve, and second port is connect with the import of the gas-liquid separator, third port
Connect with the outdoor heat exchanger, the 4th port is connect with the exhaust outlet of the compressor, the outlet of the gas-liquid separator with
The air entry of the compressor connects.
Preferably, further include having bypass conduit and a connecting line, one end of the bypass line is connected to the gas
On pipeline between side shut-off valve and indoor heat exchanger, the other end is connected to the third port and outdoor heat exchanger of the four-way valve
Between pipeline on, the first hot gas bypass solenoid valve and the second hot gas bypass solenoid valve are set thereon；The connecting line
One end is connected on the bypass line, and tie point is located at first hot gas bypass solenoid valve and the second hot-gas bypass electromagnetism
Between valve, the other end is connect with the import of the gas-liquid separator.
Preferably, a hot-gas bypass regulating valve is provided on the connecting line.
Preferably, suction temperature sensor and back pressure sensor are provided at the air entry of the compressor, it is described
The exhaust ports of compressor are equipped with exhaust gas temperature sensor.
Preferably, the outdoor heat exchanger includes first heat exchanger, first positioned at the first heat exchanger side
Fan and the first fan electromotor of driving the first fan rotation.
Preferably, the indoor heat exchanger includes second heat exchanger, second positioned at the second heat exchanger side
Fan and the fan electromotor of driving the second fan rotation.
For technical solutions of the utility model under normal refrigeration mode or heating mode operating condition, load adjusting valve is place
In closed state, air-conditioning system is made to be operated under low load condition, refrigerant circulation loop only adjusts refrigeration by expansion valve
The flow of agent, when the environment temperature of outdoor unit is excessively high, air-conditioning system load is excessive, and pressure is high in refrigerant circulation loop, surpasses
When excess pressure setting value, load adjusting valve automatically opens, and increases air-conditioning system refrigerant flow adjustable range, improves air-conditioning
The reliability of system.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the connection diagram of the utility model underload energy-saving air conditioning system；
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation, be based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
The underload energy-saving air conditioning system of the utility model embodiment is described in detail with reference to the accompanying drawings.
As shown in Figure 1, according to the underload energy-saving air conditioning system of the utility model embodiment, including refrigerant circulation loop
10, gas side shut-off valve 20, liquid side shut-off valve 30 and load adjusting valve 40, the refrigerant circulation loop 10 include head and the tail successively
Connected compressor assembly, outdoor heat exchanger 14, expansion valve 15 and indoor heat exchanger 16, the compressor assembly include compression
Machine 11 and the four-way valve 12 run in refrigeration mode or heating mode to switching system；The gas side shut-off valve 20 is set
It is placed between 11 component of the compressor and indoor heat exchanger 16；Liquid side shut-off valve 30 is set to the indoor heat exchanger 16
Between expansion valve 15；The load adjusting valve 40 is set between the outdoor heat exchanger 14 and liquid side shut-off valve 30,
And it is in parallel with the expansion valve 15.
Wherein, the expansion valve 15 uses electric expansion valve 15；It is provided with suction temperature at the air entry of the compressor
The exhaust ports of sensor 111 and back pressure sensor 112, the compressor 11 are equipped with exhaust gas temperature sensor 113.
According to the underload energy-saving air conditioning system of the present embodiment, in normal refrigeration mode or heating mode operating condition
Under, when air-conditioning system operates under low load condition, load adjusting valve 40 is to be closed, and refrigerant circulation loop 10 is only
The flow that refrigerant is adjusted by expansion valve 15, when the environment temperature of outdoor unit is excessively high, air-conditioning system load is excessive, refrigeration
Pressure is high in agent circulation loop 10, and when being more than pressure set points, load adjusting valve 40 automatically opens, and increases air-conditioning system refrigeration
Agent flux adjustable range improves the reliability of air-conditioning system.
Further, 11 component of the compressor further includes having gas-liquid separator 13, and the four-way valve 12 includes in order
There are four port, first port is connect with the gas side shut-off valve 20, the import of second port and the gas-liquid separator 13
Connection, third port are connect with the outdoor heat exchanger 14, and the 4th port is connect with the exhaust outlet of the compressor 11, the gas
The outlet of liquid/gas separator 13 is connect with the air entry of the compressor 11.
That is, it is in refrigerant circulation loop 10 that can control refrigerant when air-conditioning system starts by four-way valve 12
It flows in clockwise direction flowing or counterclockwise；It is led with second port 2 when four-way valve 12 is switched to first port 1
When logical and third port 3 and the 4th port 4 are connected (solid line of the first switching valve 30 in referring to Fig.1), refrigerant is by compressing
The exhaust outlet of machine 11 and after outdoor heat exchanger 14 and expansion valve 15 to 16 direction counterclockwise flow of indoor heat exchanger, at this time
Outdoor heat exchanger 14 is used as condenser, and the refrigerant of indoor heat exchanger 16 carries out cooling suction to the air of the interior space
Heat；When four-way valve 12 is switched to first port 1 and the conducting of the 4th port 4 and second port 2 with the conducting of third port 3
(dotted line of the first switching valve 30 in referring to Fig.1), the exhaust outlet of coolant compressor 11 and by indoor heat exchanger 16 and
Expansion valve 15 is used to 14 direction clockwise flow of outdoor heat exchanger, at this time outdoor heat exchanger 14 for evaporator, and indoor
Refrigerant in heat exchanger 16 carries out heating heating to the air of the interior space.
In one embodiment of the utility model, air-conditioning system further includes having bypass conduit 50 and a connecting line
60, one end of the bypass line 50 is connected on the pipeline between the gas side shut-off valve 20 and indoor heat exchanger 16, another
End is connected on the pipeline between the third port 3 of the four-way valve 12 and outdoor heat exchanger 14, is arranged thereon by the first hot gas
Three-way electromagnetic valve 51 and the second hot gas bypass solenoid valve 52；One end of the connecting line 60 is connected to the bypass line 50
On, and tie point is between first hot gas bypass solenoid valve, 51 and second hot gas bypass solenoid valve 52, the other end and institute
State the import connection of gas-liquid separator 13.
Specifically, the first hot gas bypass solenoid valve 51 and the second hot gas bypass solenoid valve 52 are to be closed, when being
System is operated in refrigeration mode, and when interior space temperature reaches setting value, and the first hot gas bypass solenoid valve 51 is opened, and reduces refrigeration
Refrigerant flow in agent circulation loop 10 so that system is maintained under low load condition and operates；When system is transported in heating mode
Turn, and when interior space temperature reaches setting value, the second hot gas bypass solenoid valve 52 is opened, and is reduced in refrigerant circulation loop 10
Refrigerant flow so that system, which is maintained at, to be operated under low load condition.
Further, a hot-gas bypass regulating valve 61 is provided on the connecting line 60.As a result, when the first hot-gas bypass
When solenoid valve 51 or the second hot gas bypass solenoid valve 52 are opened, hot-gas bypass regulating valve 61 can be adjusted according to the load of air-conditioning system
The aperture for saving hot-gas bypass regulating valve 61, to realize the refrigerant circulation of bottom line.
In one embodiment of the utility model, the outdoor heat exchanger 14 includes first heat exchanger 141, is located at institute
State the first fan 142 of 141 side of first heat exchanger and the first fan electromotor of the driving rotation of the first fan 142
143.The indoor heat exchanger 16 includes second heat exchanger 161, the second fan positioned at 161 side of the second heat exchanger
162 and the second fan electromotor 163 for rotating of driving second fan 162.That is, indoor heat exchanger 16 and outdoor
Heat exchanger 14 can adjust the rotating speed of the first fan electromotor 143 and the second fan electromotor 163 according to the load of air-conditioning system, reach
Energy-efficient purpose.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (7)
1. a kind of underload energy-saving air conditioning system, which is characterized in that including：
Refrigerant circulation loop, the refrigerant circulation loop include successively end to end compressor assembly, outdoor heat exchanger,
Expansion valve and indoor heat exchanger, the compressor assembly include compressor and to switching system in refrigeration mode or heating
The four-way valve that pattern is run；
Gas side shut-off valve, the gas side shut-off valve are set between the compressor assembly and indoor heat exchanger；
Liquid side shut-off valve, liquid side shut-off valve are set between the indoor heat exchanger and expansion valve；
Load adjusting valve, the load adjusting valve are set between the outdoor heat exchanger and liquid side shut-off valve, and with institute
State expansion valve parallel connection.
2. underload energy-saving air conditioning system as described in claim 1, which is characterized in that the compressor assembly further includes having gas
Liquid/gas separator, the four-way valve include there are four port in order, and first port is connect with the gas side shut-off valve, second end
Mouth is connect with the import of the gas-liquid separator, and third port is connect with the outdoor heat exchanger, the 4th port and the compression
The exhaust outlet of machine connects, and the outlet of the gas-liquid separator is connect with the air entry of the compressor.
3. underload energy-saving air conditioning system as claimed in claim 2, which is characterized in that further include thering is bypass conduit and one to connect
Road is taken over, one end of the bypass line is connected on the pipeline between the gas side shut-off valve and indoor heat exchanger, the other end
It is connected on the pipeline between the third port and outdoor heat exchanger of the four-way valve, the first hot gas bypass solenoid valve is set thereon
And second hot gas bypass solenoid valve；One end of the connecting line is connected on the bypass line, and tie point is located at institute
It states between the first hot gas bypass solenoid valve and the second hot gas bypass solenoid valve, the import of the other end and the gas-liquid separator connects
It connects.
4. underload energy-saving air conditioning system as claimed in claim 3, which is characterized in that be provided with a heat on the connecting line
Gas bypass regulator valve.
5. underload energy-saving air conditioning system as described in claim 1, which is characterized in that be arranged at the air entry of the compressor
There are suction temperature sensor and back pressure sensor, the exhaust ports of the compressor to be equipped with exhaust gas temperature sensor.
6. underload energy-saving air conditioning system as described in claim 1, which is characterized in that the outdoor heat exchanger includes the first heat
The first fan electricity of exchanger, the first fan positioned at the first heat exchanger side and driving the first fan rotation
Machine.
7. underload energy-saving air conditioning system as described in claim 1, which is characterized in that the indoor heat exchanger includes the second heat
The fan electromotor of exchanger, the second fan positioned at the second heat exchanger side and driving the second fan rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160750.0U CN207865749U (en) | 2017-09-07 | 2017-09-07 | A kind of underload energy-saving air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721160750.0U CN207865749U (en) | 2017-09-07 | 2017-09-07 | A kind of underload energy-saving air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207865749U true CN207865749U (en) | 2018-09-14 |
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ID=63474324
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721160750.0U Active CN207865749U (en) | 2017-09-07 | 2017-09-07 | A kind of underload energy-saving air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183921A (en) * | 2021-10-29 | 2022-03-15 | 青岛海尔新能源电器有限公司 | Control method, device and equipment of heat pump water heater |
-
2017
- 2017-09-07 CN CN201721160750.0U patent/CN207865749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183921A (en) * | 2021-10-29 | 2022-03-15 | 青岛海尔新能源电器有限公司 | Control method, device and equipment of heat pump water heater |
| CN114183921B (en) * | 2021-10-29 | 2024-09-10 | 青岛海尔新能源电器有限公司 | Control method, device and equipment of heat pump water heater |
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