CN206281240U - A kind of twin-tub transfiguration air-conditioning system - Google Patents
A kind of twin-tub transfiguration air-conditioning system Download PDFInfo
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- CN206281240U CN206281240U CN201621295790.1U CN201621295790U CN206281240U CN 206281240 U CN206281240 U CN 206281240U CN 201621295790 U CN201621295790 U CN 201621295790U CN 206281240 U CN206281240 U CN 206281240U
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- outdoor heat
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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
Abstract
The utility model is related to a kind of twin-tub transfiguration air-conditioning system, double-cylinder variable-capacity compressor, four-way valve, outdoor heat converter, orifice union and indoor heat converter including connecting into loop, also include electric expansion valve, the outdoor heat converter is provided with temperature sensor, for detecting outdoor heat exchanger coil temperature；Pipeline between the double-cylinder variable-capacity compressor exhaust outlet and outdoor heat converter is provided with pressure sensor, for detecting air-conditioning system pressure.Twin-tub transfiguration air-conditioning system of the present utility model can steadily be adjusted according to actual parameter, the stability of keeping temperature, and temperature difference fluctuation is small, energy-conservation, comfortable, increased the reliability of system.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly to a kind of twin-tub transfiguration air-conditioning system.
Background technology
Convertible frequency air-conditioner can be to adjust running frequency within limits with the change of load, to change output energy
Power.Fast-refrigerating is reached during high-frequency or is heated, output is reduced during low frequency, reach energy-conservation purpose.But common convertible frequency air-conditioner,
If using single cylinder compressor, during due to operating in a high frequency, vibration and noise have considerable influence all than larger to whole aircraft reliability,
Limited by noise simultaneously, the maximum running frequency of air-conditioning system can not be too high so that the ability of air-conditioning system can not reach maximum.
At present, using there is constant speed positive displacement compressor in air-conditioning system, the positive displacement compressor has two cylinders.Correlation technique
In, when air-conditioning system is opened, master cylinder is opened, then judge indoor demand, auxiliary cylinder is opened or suspended as needed.But,
This method is in the auxiliary cylinder of start-stop, and indoor temperature change generated in case is larger, it is impossible to gentle control, and runs pole not when single twin-tub switches
Steadily, easily there are various failures, reduce Consumer's Experience.
Utility model content
(1) technical problem to be solved
The utility model mesh technical problem to be solved is when air-conditioning system is run, it is impossible to smoothly switch single twin-tub pressure
Contracting machine runs.
(2) technical scheme
In order to solve the above-mentioned technical problem, it is of the present utility model there is provided a kind of twin-tub transfiguration air-conditioning system, including connection
Into refrigerating circuit or double-cylinder variable-capacity compressor, outdoor heat converter, orifice union and the indoor heat converter in loop are heated, it is described
Double-cylinder variable-capacity compressor has master cylinder air entry, auxiliary cylinder air entry and exhaust outlet；The air-conditioning system also includes that electronics is swollen
Swollen valve, one end of the electric expansion valve connects the exhaust outlet of the double-cylinder variable-capacity compressor, and the other end is distinguished by triple valve
Connect the master cylinder air entry and auxiliary cylinder air entry of the double-cylinder variable-capacity compressor.
Wherein, the double-cylinder variable-capacity compressor is connected by four-way valve with outdoor heat converter and indoor heat converter.
Wherein, the outdoor heat converter is provided with temperature sensor, for detecting outdoor heat exchanger coil temperature.
Wherein, the pipeline of the air-conditioning system is provided with pressure sensor, for detecting air-conditioning system pressure.
Wherein, the air-conditioning system is provided with controller, and described controller one end is connected with electric expansion valve, the other end with temperature
Degree sensor or pressure sensor connection, for controlling electric expansion valve according to the signal of temperature sensor or pressure sensor
Aperture.
Wherein, the master cylinder air entry is provided with return-air part, the gas backstreaming for preventing from sucking compressor.
(3) beneficial effect
The beneficial effect of twin-tub transfiguration air-conditioning system provided by the utility model is that twin-tub pattern is used in high frequency,
Can realize the output of big ability, improve cooling and warming speed, may be selected to use single cylinder pattern in low frequency, and twin-tub pattern to
During single cylinder pattern switching, can steadily be adjusted according to actual parameter, the stability of keeping temperature, temperature difference fluctuation is small, energy-conservation,
Comfortably, increased the reliability of system.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the air-conditioning system of the utility model embodiment one
Fig. 2 is the structural representation of the air-conditioning system of the utility model embodiment two
Reference：1. double-cylinder variable-capacity compressor, 2. four-way valve, 3. pressure sensor, 4. outdoor heat converter, 41. temperature
Sensor is spent, 5. orifice union, 6. indoor heat converter, 7. triple valve, 8. electric expansion valve, 9. return-air part, 10. master cylinder
Air entry, 11. auxiliary cylinder air entries, 12. exhaust outlets.
Specific embodiment
With reference to Figure of description and embodiment, specific embodiment of the present utility model is made further to retouch in detail
State.Following examples are merely to illustrate the utility model, but can not be used for limiting scope of the present utility model.
Embodiment one
As shown in figure 1, twin-tub transfiguration air-conditioning system of the present utility model, including the double-cylinder variable-capacity compressor for connecting into loop
1st, four-way valve 2, outdoor heat converter 4, orifice union 5 and indoor heat converter 6, the double-cylinder variable-capacity compressor 1 have main gas
Cylinder air entry 10, auxiliary cylinder air entry 11 and exhaust outlet 12；The air-conditioning system also includes electric expansion valve 8, and the electronics is swollen
One end of swollen valve 8 connects the exhaust outlet 12 of the double-cylinder variable-capacity compressor 1, and the other end connects described double respectively by triple valve 7
The master cylinder air entry 10 of cylinder positive displacement compressor and auxiliary cylinder air entry 11；The outdoor heat converter 4 is provided with temperature sensor
41, for detecting outdoor heat exchanger coil temperature, the air-conditioning system is provided with controller (not shown), the controller
It is connected with temperature sensor 41 and electric expansion valve 8 respectively, for controlling electric expansion valve 8 according to the signal of temperature sensor
Aperture, the master cylinder air entry 10 is provided with return-air part 9, the gas backstreaming for preventing from sucking compressor.
The control method of the twin-tub transfiguration air-conditioning system of the utility model embodiment one, comprises the following steps：
The twin-tub of double-cylinder variable-capacity compressor 1 is opened, and electric expansion valve 8 is opened with maximum opening；Detection outdoor heat exchanger disk
Pipe temperature T, and judge temperature T whether more than systemic presupposition temperature T0；As the outdoor heat exchanger coil temperature T>Systemic presupposition
Temperature T0When, the electric expansion valve reduces aperture with pre-set velocity；When the outdoor heat exchanger coil temperature T≤systemic presupposition
Temperature T0When, the aperture of the electric expansion valve keeps constant.
Specifically, when controller is to outdoor heat exchanger coil temperature T and systemic presupposition temperature T0After comparing, work as outdoor
Heat exchanger coils temperature T is more than systemic presupposition temperature T0, controller can control electric expansion valve with pre-set velocity reduce first
Predetermined aperture, for example, the first predetermined aperture can be 20 steps, so that reducing auxiliary cylinder is discharged to the cold of follow-up outdoor heat exchanger part
The flow of matchmaker.
When controller is to outdoor heat exchanger coil temperature T and systemic presupposition temperature T0After comparing, when outdoor heat exchanger disk
Pipe temperature T is less than or equal to systemic presupposition temperature T0When, controller then controls electric expansion valve to keep the aperture, so as to ensure auxiliary gas
Cylinder is discharged to the flow of the refrigerant of follow-up exchange piece.Thus it is possible, on the one hand, the motor load of positive displacement compressor can be reduced, from
And avoid motor from being chronically at overload, and protection is provided positive displacement compressor, improve the reliability of positive displacement compressor, the opposing party
Face, by adjusting the amount of the refrigerant that auxiliary cylinder is exported, can also be such that the regulation of indoor temperature more they tends to gently, it is to avoid indoor temperature
Suddenly change in a short time, so that comfort level when improving regulation temperature.
Embodiment two
As shown in Fig. 2 twin-tub transfiguration air-conditioning system of the present utility model, including the double-cylinder variable-capacity compressor for connecting into loop
1st, four-way valve 2, outdoor heat converter 4, orifice union 5 and indoor heat converter 6, the double-cylinder variable-capacity compressor 1 have main gas
Cylinder air entry 10, auxiliary cylinder air entry 11 and exhaust outlet 12；The air-conditioning system also includes electric expansion valve 8, and the electronics is swollen
One end of swollen valve 8 connects the exhaust outlet 12 of the double-cylinder variable-capacity compressor 1, and the other end connects described double respectively by triple valve 7
The master cylinder air entry 10 of cylinder positive displacement compressor and auxiliary cylinder air entry 11；The double-cylinder variable-capacity compressor exhaust outlet 12 and outdoor
Pipeline between heat exchanger 4 is provided with pressure sensor 3, and for detecting air-conditioning system pressure, the air-conditioning system is provided with control
Device (not shown), the controller is connected with pressure sensor 3 and electric expansion valve 8 respectively, for according to pressure sensing
The signal of device controls the aperture of electric expansion valve.
The control method of the twin-tub transfiguration air-conditioning system of the utility model embodiment two, comprises the following steps：
The twin-tub of double-cylinder variable-capacity compressor 1 is opened, and electric expansion valve 8 is opened with maximum opening；Detection air-conditioning system pressure
P, and judge pressure P whether more than systemic presupposition pressure P0；As the air-conditioning system pressure P>Systemic presupposition pressure P0When, it is described
Electric expansion valve reduces aperture with pre-set velocity；As the air-conditioning system pressure P≤systemic presupposition pressure P0When, the electronics is swollen
The aperture of swollen valve keeps constant.
Specifically, when controller is to air-conditioning system pressure P and systemic presupposition pressure P0After comparing, when air-conditioning system pressure
Power P is more than systemic presupposition pressure P0, controller can control electric expansion valve with pre-set velocity reduce the first predetermined aperture, example
Such as, the first predetermined aperture can be 20 steps, so as to reduce the flow that auxiliary cylinder is discharged to the refrigerant of follow-up outdoor heat exchanger part.
When controller is to air-conditioning system pressure P and systemic presupposition pressure P0After comparing, when air-conditioning system pressure P less than etc.
In systemic presupposition pressure P0When, controller then controls electric expansion valve to keep the aperture, so as to ensure that auxiliary cylinder is discharged to subsequently
The flow of the refrigerant of exchange piece.Thus it is possible, on the one hand, the motor load of positive displacement compressor can be reduced, so as to avoid motor long
Phase is in overload, and protection is provided to positive displacement compressor, improves the reliability of positive displacement compressor, on the other hand, by regulation
The amount of the refrigerant of auxiliary cylinder output, can also be such that the regulation of indoor temperature more they tends to gently, it is to avoid indoor temperature is in a short time
Suddenly change, so that comfort level when improving regulation temperature.
The utility model twin-tub transfiguration air-conditioning system, in high frequency use twin-tub pattern, the defeated of big ability can be realized
Go out, improve cooling and warming speed, may be selected to use single cylinder pattern in low frequency, and when twin-tub pattern is to single cylinder pattern switching,
Can steadily be adjusted according to actual parameter, the stability of keeping temperature, temperature difference fluctuation is small, it is energy-conservation, comfortable, increased system
Reliability.
And then, it is necessary to set the scheduled time in controller before air-conditioning system brings into operation.Alternatively, pre- timing
Between can be air-conditioning system Default Value, it is also possible to by User Defined set.Thus, carried out when air-conditioning system brings into operation
During heat exchange, master cylinder is opened and refrigerant is compressed, and high pressure refrigerant is delivered in system using master cylinder is subsequently exchanged heat,
Room temperature is avoided to be widely varied, so as to improve comfort level to a certain extent.Electric expansion valve 8 is opened after delay predetermined time,
Auxiliary cylinder is also compressed to refrigerant, worked simultaneously by master cylinder and auxiliary cylinder, system mesohigh refrigerant can be improved
Amount, so as to improve heat exchange efficiency, allows room temperature to be rapidly achieved design temperature, meets the demand of user.According to the utility model
Some specific embodiments, the span of the scheduled time can be 0s -60s, for example, the scheduled time can be 40s, pass through
The scheduled time of 40s is set, rate of change when room temperature can be avoided to start to change is too big, makes regulation of the air-conditioner to indoor temperature
It is more gentle, so as to improve the comfort level of user to a certain extent.
Embodiment of above is merely to illustrate the utility model, rather than to limitation of the present utility model.Although with reference to implementation
Example has been described in detail to the utility model, it will be understood by those within the art that, to technology of the present utility model
Scheme carries out various combinations, modification or equivalent, without departure from the spirit and scope of technical solutions of the utility model, all should
Cover in the middle of right of the present utility model.
Claims (6)
1. a kind of twin-tub transfiguration air-conditioning system, including connect into refrigerating circuit or heat the double-cylinder variable-capacity compressor in loop, outdoor
Heat exchanger, orifice union and indoor heat converter, the double-cylinder variable-capacity compressor have master cylinder air entry, auxiliary cylinder air-breathing
Mouth and exhaust outlet；Characterized in that, the air-conditioning system also includes electric expansion valve, one end connection institute of the electric expansion valve
The exhaust outlet of double-cylinder variable-capacity compressor is stated, the other end is inhaled by the master cylinder that triple valve connects the double-cylinder variable-capacity compressor respectively
Gas port and auxiliary cylinder air entry.
2. air-conditioning system according to claim 1, it is characterised in that the double-cylinder variable-capacity compressor passes through four-way valve and room
Outer heat-exchanger and indoor heat converter are connected.
3. air-conditioning system according to claim 1, it is characterised in that the outdoor heat converter is provided with temperature sensor,
For detecting outdoor heat exchanger coil temperature.
4. air-conditioning system according to claim 1, it is characterised in that the pipeline of the air-conditioning system is provided with pressure sensing
Device, for detecting air-conditioning system pressure.
5. the air-conditioning system according to claim 3 or 4, it is characterised in that the air-conditioning system is provided with controller, the control
Device one end processed is connected with electric expansion valve, and the other end is connected with temperature sensor or pressure sensor, for according to TEMP
The signal of device or pressure sensor controls the aperture of electric expansion valve.
6. the air-conditioning system according to claim 1-4 any one, it is characterised in that the master cylinder air entry is provided with
Return-air part, the gas backstreaming for preventing from sucking compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295790.1U CN206281240U (en) | 2016-11-25 | 2016-11-25 | A kind of twin-tub transfiguration air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295790.1U CN206281240U (en) | 2016-11-25 | 2016-11-25 | A kind of twin-tub transfiguration air-conditioning system |
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| Publication Number | Publication Date |
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| CN206281240U true CN206281240U (en) | 2017-06-27 |
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| CN201621295790.1U Active CN206281240U (en) | 2016-11-25 | 2016-11-25 | A kind of twin-tub transfiguration air-conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403349A (en) * | 2016-11-25 | 2017-02-15 | 广东美的制冷设备有限公司 | Double-cylinder variable-capacity air conditioning system and control method |
| CN109357355A (en) * | 2018-10-19 | 2019-02-19 | 珠海格力电器股份有限公司 | Air-conditioning switch machine control method |
| CN111854216A (en) * | 2019-04-28 | 2020-10-30 | 广东美芝精密制造有限公司 | Air conditioning system |
-
2016
- 2016-11-25 CN CN201621295790.1U patent/CN206281240U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403349A (en) * | 2016-11-25 | 2017-02-15 | 广东美的制冷设备有限公司 | Double-cylinder variable-capacity air conditioning system and control method |
| CN109357355A (en) * | 2018-10-19 | 2019-02-19 | 珠海格力电器股份有限公司 | Air-conditioning switch machine control method |
| CN109357355B (en) * | 2018-10-19 | 2020-01-03 | 珠海格力电器股份有限公司 | Air conditioner on-off control method |
| WO2020077779A1 (en) * | 2018-10-19 | 2020-04-23 | 珠海格力电器股份有限公司 | Method for controlling power-on or power-off of air conditioner |
| US20210348785A1 (en) * | 2018-10-19 | 2021-11-11 | Gree Electric Appliances, Inc. Of Zhuhai | Method for controlling power-on or power-off of air conditioner |
| US11841150B2 (en) | 2018-10-19 | 2023-12-12 | Gree Electric Appliances, Inc. Of Zhuhai | Method for controlling power-on or power-off of air conditioner |
| CN111854216A (en) * | 2019-04-28 | 2020-10-30 | 广东美芝精密制造有限公司 | Air conditioning system |
| CN111854216B (en) * | 2019-04-28 | 2021-07-23 | 广东美芝精密制造有限公司 | Air conditioning system |
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