CN108954727A - A kind of intelligent frequency-conversion central air-conditioning - Google Patents
A kind of intelligent frequency-conversion central air-conditioning Download PDFInfo
- Publication number
- CN108954727A CN108954727A CN201810740848.6A CN201810740848A CN108954727A CN 108954727 A CN108954727 A CN 108954727A CN 201810740848 A CN201810740848 A CN 201810740848A CN 108954727 A CN108954727 A CN 108954727A
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- Prior art keywords
- temperature
- electric expansion
- expansion valve
- module
- driving circuit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of intelligent frequency-conversion central air-conditioning, including refrigerating and heating systems and control system；Refrigerating and heating systems include by the sequentially connected condenser of conveying pipe of refrigerant, electric expansion valve, evaporator and compressor；Control system includes controller, the first temperature sensor, second temperature sensor, driving circuit and control panel, and second temperature sensor is arranged in outdoor environment；Controller includes a MCU, has analog-to-digital conversion module, memory module, determination module and control module in the MCU；The corresponding corresponding second standard aperture B2 of first standard aperture B1, the second normal temperature value D2 of the first normal temperature value D1 and the second normal temperature value D2, the first normal temperature value D1 is stored in memory module；Electric expansion valve includes valve seat, spool and driving motor, and driving motor drives the sliding of spool opposite valve seat, to adjust the output flow of electric expansion valve.
Description
Technical field
The invention belongs to field of air conditioning, and in particular to a kind of cold/hot air-conditioning more particularly to a kind of intelligent frequency-conversion central air-conditioning.
Background technique
Central air conditioner system is made of one or more cold and heat source systems and multiple air handling systems, which is different from
Traditional cryogen formula air-conditioning, (such as uniset, VRV) air centralized processing have reached comfort requirement.The original freezed using liquid gasification
Reason provides institute's chilling requirement for air handling system, to offset the refrigeration duty of indoor environment；Heating system is air handling system
Institute's calorific requirement is provided, to offset indoor environment thermic load.
Existing central air-conditioning is exactly that energy consumption is higher, energy saving is poor, causes using the electricity charge there are a common disadvantage
It is high.By taking the house on 90 level ground of a family as an example, need to expend two usual every month in six hot Julys using central air-conditioning
300 electricity charge, it is even higher, and common vertical air conditioner only needs to expend one two hundred electricity charge.
In consideration of it, proposing a kind of intelligent frequency-conversion central air-conditioning project of the invention to be studied.
Summary of the invention
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of intelligent frequency-conversion central air-conditioning, to solve existing center
The problem that air conditioning energy consumption is high, energy saving is poor.
To achieve the goals above, the invention adopts the following technical scheme: a kind of intelligent frequency-conversion central air-conditioning, including refrigeration
Heating system and control system；Wherein, the refrigerating and heating systems include by the sequentially connected condenser of conveying pipe of refrigerant, electricity
Sub- expansion valve, evaporator and compressor；
The control system includes controller, the first temperature sensor, second temperature sensor, driving circuit and control plane
Plate, the controller, the first temperature sensor and driving circuit are respectively provided on the control panel, the second temperature sensor
It is arranged in outdoor environment；
The controller includes a MCU, has an analog-to-digital conversion module, a memory module, a determination module and one in the MCU
Control module；Wherein, a first normal temperature value D1 under refrigerating state is previously stored in the memory module, this first
Normal temperature value D1 corresponds to the first standard aperture B1 of electric expansion valve；One is previously stored in the memory module in heating shape
The second normal temperature value D2 under state, the second normal temperature value D2 correspond to the second standard aperture B2 of electric expansion valve；
The electric expansion valve includes valve seat, spool and driving motor, and the driving motor driving spool opposite valve seat slides,
To adjust the output flow of electric expansion valve；
The input terminal of the output end connection analog-to-digital conversion module of the temperature sensor, the output end of the analog-to-digital conversion module connect
Connect the input terminal of memory module, the input terminal of the output end connection determination module of the memory module, the determination module it is defeated
The input terminal of outlet link control module, the input terminal of the output end connection driving circuit of the control module, the driving electricity
The output end on road connects electric expansion valve；
Under refrigerating state, the first temperature sensor real-time detection indoor environment temperature T1, while second temperature sensor
Real-time detection outdoor environment temperature T2, and the temperature that will test is sent to determination module；Meanwhile the electric expansion valve is by ring
Temperature T1 corresponding valve opening value K1 in border is sent to determination module；The indoor environment temperature T1 that the determination module will test
It is compared with outdoor environment temperature T2；If outdoor environment temperature T2 is greater than or equal to the 175% of the T1 of indoor environment temperature, institute
It states control module and sends the first signal to driving circuit, so that driving circuit drives the driving motor rotation, by electronic expansion
The aperture of valve is adjusted according to the formula of J1=B1*70+K1*30, so that indoor environment is adjusted to S1=D1*65+T2*25+T1*
10 temperature；No person, the control module send second signal to driving circuit, so that driving circuit drives the driving motor
Rotation, the aperture of electric expansion valve is adjusted according to the formula of J1=B1*50+K1*50 so that indoor environment adjust to S2=
The temperature of D1*50+T2*25+T1*25；
Under heating state, the first temperature sensor real-time detection indoor environment temperature T1 ', while second temperature sensor
Real-time detection outdoor environment temperature T2 ', and the temperature that will test is sent to determination module；Meanwhile the electric expansion valve will
The corresponding valve opening value K1 ' of environment temperature T1 ' is sent to determination module；The indoor environment temperature that the determination module will test
Degree T1 ' and outdoor environment temperature T2 ' is compared；If the outdoor environment temperature T2 ' that the T1 ' of indoor environment temperature is greater than or equal to
300%, the control module sends third signal to driving circuit, will so that driving circuit drives the driving motor rotation
The aperture of electric expansion valve is adjusted according to the formula of J3=B2*65+K1 ' * 35, so that indoor environment is adjusted to S3=D2*65+
The temperature of T2 ' * 25+T1 ' * 10；Otherwise, the control module sends fourth signal to driving circuit, so that driving circuit drives
The driving motor rotation, the aperture of electric expansion valve is adjusted according to the formula of J4=B2*45+K1 ' * 55, so that indoor
Environment is adjusted to the temperature of S4=D2*50+T2 ' * 25+T1 ' * 25.
As a further improvement of the present invention, the MCU uses model STM32F103C8T6 chip.
As a further improvement of the present invention, the end of the valve seat is provided with a temperature-sensitive pressure and adjusts component, the sense
One end that temperature and pressure power adjusts component is connected with push rod, and the push rod is connect with the core assembly of the valve inner.
As a further improvement of the present invention, the condenser and evaporator separately include multiple fins, described
Multiple fins are arranged side by side；Heat conducting pipe, the heat conducting pipe are threaded through in the multiple fin.
As a further improvement of the present invention, the heat conducting pipe includes heat conducting pipe tube body and thermally conductive pipe screw thread, described thermally conductive
Refrigerant passage is limited in pipe tube body, the thermally conductive pipe screw thread is formed in the inner wall of the heat conducting pipe tube body.
It as a further improvement of the present invention, further include four-way valve, for the refrigerant under refrigerating state and heating state
Direction switching.
As a further improvement of the present invention, the four-way valve is air conditioner heat insulation type four-way valve.
Working principle and effect of the present invention are as follows:
The present invention relates to a kind of intelligent frequency-conversion central air-conditioning, are equipped with the first temperature sensor indoors, are equipped with the second temperature in outdoor
Spend sensor.In the operating condition, can be poor according to indoor environment temperature and outdoor environment temperature, automatic adjusument Indoor Temperature
Degree, will not allow indoor environment temperature and outdoor environment temperature difference excessive, so as to effectively prevent energy waste.Because being on duty
Not excessive, not only waste of energy, also will affect the health of user.The present invention is only by room temperature and outdoor temperature difference tune
Section not only can guarantee that user used to a zone of reasonableness, but will not the excessive waste energy, play the role of energy saving.
Intelligence degree of the present invention is high, energy-saving effect is good, can effectively prevent energy waste, the system of automatic adjusument air-conditioning
Cold or heating capacity, plays the role of energy saving, while will not influence the use of user.
Detailed description of the invention
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed in the present application in any way
It encloses.In addition, shape and proportional sizes of each component in figure etc. are only schematical, it is used to help the understanding to the application, and
It is not the specific shape and proportional sizes for limiting each component of the application.Those skilled in the art, can under teachings of the present application
Implement the application to select various possible shapes and proportional sizes as the case may be.In the accompanying drawings:
Attached drawing 1 is the schematic illustration of intelligent frequency-conversion of embodiment of the present invention central air-conditioning.
Specific embodiment
The present invention will be further illustrated in following example.These embodiments are merely to illustrate the present invention, but not to appoint
Where formula limitation is of the invention.
A kind of embodiment: intelligent frequency-conversion central air-conditioning
Referring to attached drawing 1, the central air-conditioning includes refrigerating and heating systems and control system；Wherein, the refrigerating and heating systems packet
It includes by the sequentially connected condenser of conveying pipe of refrigerant, electric expansion valve, evaporator and compressor.Wherein, the condenser
It separately include multiple fins with evaporator, the multiple fin is arranged side by side；Heat conducting pipe, the heat conducting pipe are threaded through institute
It states in multiple fins.The heat conducting pipe includes heat conducting pipe tube body and thermally conductive pipe screw thread, limits refrigeration in the heat conducting pipe tube body
Agent access, the thermally conductive pipe screw thread are formed in the inner wall of the heat conducting pipe tube body.Further include four-way valve, in refrigerating state and
The direction switching of refrigerant under heating state.
The control system includes controller, the first temperature sensor, second temperature sensor, driving circuit and control
Panel, the controller, the first temperature sensor and driving circuit are respectively provided on the control panel, the second temperature sensing
Device is arranged in outdoor environment.
The controller includes a MCU, have in the MCU analog-to-digital conversion module, a memory module, a determination module with
An and control module；Wherein, a first normal temperature value D1 under refrigerating state is previously stored in the memory module, it should
First normal temperature value D1 corresponds to the first standard aperture B1 of electric expansion valve.The end of the valve seat is provided with a temperature-sensitive pressure
Component is adjusted, one end that the temperature-sensitive pressure adjusts component is connected with push rod, the spool group of the push rod and the valve inner
Part connection.In the present embodiment, the MCU uses model STM32F103C8T6 chip.
The electric expansion valve includes valve seat, spool and driving motor, and the driving motor drives spool opposite valve seat
Sliding, to adjust the output flow of electric expansion valve.
The input terminal of the output end connection analog-to-digital conversion module of the temperature sensor, the output of the analog-to-digital conversion module
The input terminal of end connection memory module, the input terminal of the output end connection determination module of the memory module, the determination module
Output end link control module input terminal, the control module output end connection driving circuit input terminal, the drive
The output end of dynamic circuit connects electric expansion valve.
Under refrigerating state, the first temperature sensor real-time detection indoor environment temperature T1, while second temperature passes
Sensor real-time detection outdoor environment temperature T2, and the temperature that will test is sent to determination module；Meanwhile the electric expansion valve
The corresponding valve opening value K1 of environment temperature T1 is sent to determination module；The indoor environment temperature that the determination module will test
Degree T1 and outdoor environment temperature T2 is compared；If outdoor environment temperature T2 is greater than or equal to the T1's of indoor environment temperature
175%, the control module sends the first signal to driving circuit, so that driving circuit drives the driving motor rotation, it will be electric
The aperture of sub- expansion valve is adjusted according to the formula of J1=B1*70+K1*30, so that indoor environment is adjusted to S1=D1*65+T2*
The temperature of 25+T1*10；No person, the control module send second signal to driving circuit, so that driving circuit drives the drive
Dynamic motor rotation, the aperture of electric expansion valve is adjusted according to the formula of J1=B1*50+K1*50, so that indoor environment tune
The whole temperature to S2=D1*50+T2*25+T1*25.
Under heating state, the first temperature sensor real-time detection indoor environment temperature T1 ', while second temperature passes
Sensor real-time detection outdoor environment temperature T2 ', and the temperature that will test is sent to determination module；Meanwhile the electronic expansion
The corresponding valve opening value K1 ' of environment temperature T1 ' is sent to determination module by valve；The indoor ring that the determination module will test
Temperature T1 ' and outdoor environment temperature T2 ' are compared in border；If the outdoor environment temperature that the T1 ' of indoor environment temperature is greater than or equal to
The 300% of T2 ' is spent, the control module sends third signal to driving circuit, so that driving circuit drives the driving motor to turn
It is dynamic, the aperture of electric expansion valve is adjusted according to the formula of J3=B2*65+K1 ' * 35 so that indoor environment adjust to S3=
The temperature of D2*65+T2 ' * 25+T1 ' * 10；Otherwise, the control module sends fourth signal to driving circuit, so that driving electricity
Road drives the driving motor rotation, and the aperture of electric expansion valve is adjusted according to the formula of J4=B2*45+K1 ' * 55, is made
Indoor environment is obtained to adjust to the temperature of S4=D2*50+T2 ' * 25+T1 ' * 25.
It should be noted that in the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or two with
On.
Here the combination of element, ingredient, component or step is described using term "comprising" or " comprising " it is also contemplated that
Substantially the embodiment being made of these elements, ingredient, component or step.Here by using term " can with ", it is intended to illustrate
Described any attribute that " can with " includes all is optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not said to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to preceding claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
The series of detailed descriptions listed above only for the application feasible embodiment specifically
Bright, they are not the protection scope to limit the application, all without departing from equivalent implementations made by the application skill spirit
Or change should be included within the scope of protection of this application.
Claims (7)
1. a kind of intelligent frequency-conversion central air-conditioning, it is characterised in that: including refrigerating and heating systems and control system；Wherein, the system
Cold heating system includes by the sequentially connected condenser of conveying pipe of refrigerant, electric expansion valve, evaporator and compressor；
The control system includes controller, the first temperature sensor, second temperature sensor, driving circuit and control plane
Plate, the controller, the first temperature sensor and driving circuit are respectively provided on the control panel, the second temperature sensor
It is arranged in outdoor environment；
The controller includes a MCU, has an analog-to-digital conversion module, a memory module, a determination module and one in the MCU
Control module；Wherein, a first normal temperature value D1 under refrigerating state is previously stored in the memory module, this first
Normal temperature value D1 corresponds to the first standard aperture B1 of electric expansion valve；One is previously stored in the memory module in heating shape
The second normal temperature value D2 under state, the second normal temperature value D2 correspond to the second standard aperture B2 of electric expansion valve；
The electric expansion valve includes valve seat, spool and driving motor, and the driving motor driving spool opposite valve seat slides,
To adjust the output flow of electric expansion valve；
The input terminal of the output end connection analog-to-digital conversion module of the temperature sensor, the output end of the analog-to-digital conversion module connect
Connect the input terminal of memory module, the input terminal of the output end connection determination module of the memory module, the determination module it is defeated
The input terminal of outlet link control module, the input terminal of the output end connection driving circuit of the control module, the driving electricity
The output end on road connects electric expansion valve；
Under refrigerating state, the first temperature sensor real-time detection indoor environment temperature T1, while second temperature sensor
Real-time detection outdoor environment temperature T2, and the temperature that will test is sent to determination module；Meanwhile the electric expansion valve is by ring
Temperature T1 corresponding valve opening value K1 in border is sent to determination module；The indoor environment temperature T1 that the determination module will test
It is compared with outdoor environment temperature T2；If outdoor environment temperature T2 is greater than or equal to the 175% of the T1 of indoor environment temperature, institute
It states control module and sends the first signal to driving circuit, so that driving circuit drives the driving motor rotation, by electronic expansion
The aperture of valve is adjusted according to the formula of J1=B1*70+K1*30, so that indoor environment is adjusted to S1=D1*65+T2*25+T1*
10 temperature；No person, the control module send second signal to driving circuit, so that driving circuit drives the driving motor
Rotation, the aperture of electric expansion valve is adjusted according to the formula of J1=B1*50+K1*50 so that indoor environment adjust to S2=
The temperature of D1*50+T2*25+T1*25；
Under heating state, the first temperature sensor real-time detection indoor environment temperature T1 ', while second temperature sensor
Real-time detection outdoor environment temperature T2 ', and the temperature that will test is sent to determination module；Meanwhile the electric expansion valve will
The corresponding valve opening value K1 ' of environment temperature T1 ' is sent to determination module；The indoor environment temperature that the determination module will test
Degree T1 ' and outdoor environment temperature T2 ' is compared；If the outdoor environment temperature T2 ' that the T1 ' of indoor environment temperature is greater than or equal to
300%, the control module sends third signal to driving circuit, will so that driving circuit drives the driving motor rotation
The aperture of electric expansion valve is adjusted according to the formula of J3=B2*65+K1 ' * 35, so that indoor environment is adjusted to S3=D2*65+
The temperature of T2 ' * 25+T1 ' * 10；Otherwise, the control module sends fourth signal to driving circuit, so that driving circuit drives
The driving motor rotation, the aperture of electric expansion valve is adjusted according to the formula of J4=B2*45+K1 ' * 55, so that indoor
Environment is adjusted to the temperature of S4=D2*50+T2 ' * 25+T1 ' * 25.
2. intelligent frequency-conversion central air-conditioning according to claim 1, it is characterised in that: the MCU uses model
STM32F103C8T6 chip.
3. the end of the valve seat is provided with a temperature-sensitive pressure and adjusts component, one end that the temperature-sensitive pressure adjusts component is connected with
Push rod, the push rod are connect with the core assembly of the valve inner.
4. intelligent frequency-conversion central air-conditioning according to claim 1, it is characterised in that: the condenser is distinguished only with evaporator
It on the spot include multiple fins, the multiple fin is arranged side by side；Heat conducting pipe, the heat conducting pipe are threaded through in the multiple fin.
5. intelligent frequency-conversion central air-conditioning according to claim 4, it is characterised in that: the heat conducting pipe includes heat conducting pipe tube body
With thermally conductive pipe screw thread, refrigerant passage is limited in the heat conducting pipe tube body, the thermally conductive pipe screw thread is formed in the heat conducting pipe
The inner wall of tube body.
6. intelligent frequency-conversion central air-conditioning according to claim 1, it is characterised in that: further include four-way valve, for freezing
The direction switching of refrigerant under state and heating state.
7. intelligent frequency-conversion central air-conditioning according to claim 6, it is characterised in that: the four-way valve is that air conditioner is heat-insulated
Type four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810740848.6A CN108954727B (en) | 2018-07-09 | 2018-07-09 | Intelligent variable-frequency central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810740848.6A CN108954727B (en) | 2018-07-09 | 2018-07-09 | Intelligent variable-frequency central air conditioner |
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| Publication Number | Publication Date |
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| CN108954727A true CN108954727A (en) | 2018-12-07 |
| CN108954727B CN108954727B (en) | 2021-02-09 |
Family
ID=64482273
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810740848.6A Active CN108954727B (en) | 2018-07-09 | 2018-07-09 | Intelligent variable-frequency central air conditioner |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000039232A (en) * | 1998-12-11 | 2000-07-05 | 구자홍 | Method for controlling linear expansion valve for multi type air conditioner |
| JP2001021191A (en) * | 1999-07-09 | 2001-01-26 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| CN202229351U (en) * | 2011-09-20 | 2012-05-23 | 吴卫华 | Double working condition energy-saving air conditioner special for communication |
| CN202470308U (en) * | 2012-03-13 | 2012-10-03 | 广东吉荣空调有限公司 | Synchronous control device for compressor and expansion valve of thermostatic and humidistatic air conditioning unit |
| CN103512145A (en) * | 2012-06-19 | 2014-01-15 | 珠海格力电器股份有限公司 | Adjusting method and adjusting device of electronic expansion valve for air conditioning unit |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN106403184A (en) * | 2016-09-23 | 2017-02-15 | 珠海格力电器股份有限公司 | Calculating method and device for initial opening of electronic expansion valve |
| CN107642873A (en) * | 2017-10-31 | 2018-01-30 | 海信（山东）空调有限公司 | Electronic expansion valve opening control method when a kind of air-conditioning and its startup |
-
2018
- 2018-07-09 CN CN201810740848.6A patent/CN108954727B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000039232A (en) * | 1998-12-11 | 2000-07-05 | 구자홍 | Method for controlling linear expansion valve for multi type air conditioner |
| JP2001021191A (en) * | 1999-07-09 | 2001-01-26 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| CN202229351U (en) * | 2011-09-20 | 2012-05-23 | 吴卫华 | Double working condition energy-saving air conditioner special for communication |
| CN202470308U (en) * | 2012-03-13 | 2012-10-03 | 广东吉荣空调有限公司 | Synchronous control device for compressor and expansion valve of thermostatic and humidistatic air conditioning unit |
| CN103512145A (en) * | 2012-06-19 | 2014-01-15 | 珠海格力电器股份有限公司 | Adjusting method and adjusting device of electronic expansion valve for air conditioning unit |
| CN104990229A (en) * | 2015-07-28 | 2015-10-21 | 广东美的暖通设备有限公司 | Air conditioning system and control method thereof |
| CN106403184A (en) * | 2016-09-23 | 2017-02-15 | 珠海格力电器股份有限公司 | Calculating method and device for initial opening of electronic expansion valve |
| CN107642873A (en) * | 2017-10-31 | 2018-01-30 | 海信（山东）空调有限公司 | Electronic expansion valve opening control method when a kind of air-conditioning and its startup |
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| CN108954727B (en) | 2021-02-09 |
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Effective date of registration: 20201218 Address after: Room 43001, unit 10, Hongshan Road, Wuhan City, Hubei Province Applicant after: Ding Dekun Applicant after: Liu Hankui Address before: 215000 station 604 (4-01), building 4, 209 Zhuyuan Road, high tech Zone, Suzhou City, Jiangsu Province (cluster registration) Applicant before: SUZHOU YUNZHIQIU INTELLIGENT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210318 Address after: 430021 room 1, 5 / F, building 3, No. 17, Jiangxing Road, economic development zone, Jianghan District, Wuhan City, Hubei Province Patentee after: HUBEI XINGZHI TIANXIA INFORMATION TECHNOLOGY Co.,Ltd. Address before: Room 43001, unit 10, Hongshan Road, Wuhan City, Hubei Province Patentee before: Ding Dekun Patentee before: Liu Hankui |
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Denomination of invention: An intelligent variable frequency central air conditioner Effective date of registration: 20230109 Granted publication date: 20210209 Pledgee: Bank of China Limited Hubei Branch Pledgor: HUBEI XINGZHI TIANXIA INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2023420000013 |