CN108954676A - A kind of intelligent air condition does not shut down defrosting method - Google Patents
A kind of intelligent air condition does not shut down defrosting method Download PDFInfo
- Publication number
- CN108954676A CN108954676A CN201810782561.XA CN201810782561A CN108954676A CN 108954676 A CN108954676 A CN 108954676A CN 201810782561 A CN201810782561 A CN 201810782561A CN 108954676 A CN108954676 A CN 108954676A
- Authority
- CN
- China
- Prior art keywords
- temperature
- condenser
- shut down
- controller
- intelligent air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Landscapes
- 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 air conditions not to shut down defrosting method, including successively constituting the compressor being connected by circulation, four-way valve, condenser, flow controller and evaporator；It further include the first temperature sensor, second temperature sensor, controller, defrost pipeline and driving circuit；First temperature sensor detects the temperature of condenser conveyance conduit every the N time, and the current tube temperature measured is sent to controller；Meanwhile the second temperature sensor is sent to controller every the environment temperature outside N time sensing chamber, and by the current environmental temperature measured；Current tube temperature and current environmental temperature are compared by determination module: if the two temperature absolute value of the difference is greater than 17 DEG C, and when current tube temperature is lower than -7 DEG C；Control module sends a signal to driving circuit, opens defrost pipeline to control driving circuit drive magnetic valve, is sent into condenser for the refrigerant by a part with heat, to carry out defrost to condenser；No person, solenoid valve are closed, and intelligent air condition normally heats.
Description
Technical field
The invention belongs to field of air conditioning, and in particular to a kind of intelligent air condition does not shut down defrosting method.
Background technique
Existing air-conditioning, in heating operations, after outdoor unit freezes, it usually needs it just can be carried out defrost after shutdown, this
Sample one can not be heated during shutdown.It will give and be used to bring discomfort.
In consideration of it, proposing that a kind of intelligent air condition does not shut down the defrosting method 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 air conditions not to shut down defrosting method, it is existing to solve
There is air-conditioning to need the problem of shutting down during defrost.
To achieve the goals above, the invention adopts the following technical scheme: a kind of intelligent air condition does not shut down defrosting method, in advance
It first builds not shut down defrost air-conditioning, the air-conditioning includes successively constituting the compressor being connected by circulation, four-way valve, condenser, section
Flow device and evaporator；
It further include the first temperature sensor, second temperature sensor, a controller, a defrost pipeline and one drive circuit；Institute
It states the first temperature sensor ring to be located on the heat exchanger tube of condenser, for detecting the tube temperature of condenser, the second temperature sensing
Device ring is located at the outside of outdoor heat exchanger, and for detecting outdoor environment temperature, the defrost pipeline is a pipeline configuration, the pipeline
Structure one end connection refrigeration flows to the arrival end of condenser, and other end connection heating flows to the conveyance conduit of flow controller front end, institute
State solenoid valve of the defrost pipeline equipped with a control management on-off；The output end of first temperature sensor connects mould controller
First input end, the second input terminal of second temperature sensor connection controller, the output end connection of the controller
The control terminal of driving circuit, the input terminal of the output end connection solenoid valve of the driving circuit；
The controller includes a control chip, which includes a memory module, a determination module and a control mould
Block；
Defrost air-conditioning is not shut down using described, follows the steps below operation:
The first step, first temperature sensor detect the temperature of condenser conveyance conduit every the N time, and current by what is measured
Tube temperature T1 is sent to controller；Meanwhile the second temperature sensor is every the environment temperature outside N time sensing chamber, and will survey
The current environmental temperature T2 obtained is sent to controller；
Current tube temperature T1 and current environmental temperature T2 are compared by second step, the determination module:
Third step, if the two temperature absolute value of the difference is greater than 17 DEG C, and when current tube temperature is lower than -7 DEG C, the control module is sent
Signal opens defrost pipeline to driving circuit, to control driving circuit drive magnetic valve, for a part to be had to the system of heat
Cryogen is sent into condenser, to carry out defrost to condenser；No person, the solenoid valve are closed, and the intelligent air condition normally heats.
As a further improvement of the present invention, the flow controller uses capillary, electric expansion valve, short tube or nozzle.
As a further improvement of the present invention, the solenoid valve includes valve seat, spool and driving motor, and the spool is set
In valve seat, can opposite valve seat be slidably connected, the driving motor for drive spool opposite valve seat slide.
As a further improvement of the present invention, the driving motor uses rotating electric machine.
As a further improvement of the present invention, the rotating electric machine includes external stator and internal rotor, and the external stator includes
Stator core and stator coil, the internal rotor include permanent magnet and shaft, and the permanent magnet is fixedly connected with shaft, and described turn
The output end of axis is as driving end driving spool opposite valve seat sliding.
As a further improvement of the present invention, the solenoid valve has an aperture, the range of the aperture be [0,99).
As a further improvement of the present invention, the aperture of the solenoid valve rule of thumb formulaDrive control.
As a further improvement of the present invention, the condenser includes radiating fin and heat exchanger tube, between the radiating fin
Every and be dislocatedly distributed on heat exchanger tube.
As a further improvement of the present invention, the control chip uses TMSC5000 model chip.
Working principle and effect of the present invention are as follows:
Defrosting method is not shut down the present invention relates to a kind of intelligent air condition, and determination module is by current tube temperature T1 and current environmental temperature T2
It is compared, if the two temperature absolute value of the difference is greater than 17 DEG C, and when current tube temperature is lower than -7 DEG C, control module is sent a signal to
Driving circuit opens defrost pipeline to control driving circuit drive magnetic valve, for sending a part with the refrigerant of heat
Enter condenser, to carry out defrost to condenser；No person, solenoid valve are closed, and intelligent air condition normally heats.
Good reliability of the present invention, intelligence degree are high, can be compared according to the tube temperature of outdoor environment temperature and condenser
Compared with being able to maintain lasting heating, provide comfortable environment according to comparison result to control defrost, and without shutting down defrost.
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 control principle drawing of the embodiment of the present invention；
Attached drawing 2 is control flow chart of the embodiment of the present invention.
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.
Embodiment: a kind of intelligent air condition does not shut down defrosting method
Referring to attached drawing 1-2, build one in advance and do not shut down defrost air-conditioning, the air-conditioning include successively constitute the compressor being connected by circulation,
Four-way valve, condenser, flow controller and evaporator.The condenser includes radiating fin and heat exchanger tube, between the radiating fin
Every and be dislocatedly distributed on heat exchanger tube.
It further include the first temperature sensor, second temperature sensor, a controller, a defrost pipeline and a driving electricity
Road.The first temperature sensor ring is located on the heat exchanger tube of condenser, for detecting the tube temperature of condenser, the second temperature
Sensor ring is located at the outside of outdoor heat exchanger, for detecting outdoor environment temperature.The defrost pipeline is a pipeline configuration, should
Pipeline configuration one end connection refrigeration flows to the arrival end of condenser, and other end connection heating flows to the delivery pipe of flow controller front end
Road.The defrost pipeline is equipped with the solenoid valve of a control management on-off.
Wherein, the solenoid valve includes valve seat, spool and driving motor, and the spool is located in valve seat, can be with respect to valve
Seat is slidably connected, and the driving motor is for driving spool opposite valve seat to slide.
The driving motor uses rotating electric machine.The rotating electric machine includes external stator and internal rotor, the external stator packet
Stator core and stator coil are included, the internal rotor includes permanent magnet and shaft, and the permanent magnet is fixedly connected with shaft, described
The output end of shaft is as driving end driving spool opposite valve seat sliding.
The first input end of the output end connection mould controller of first temperature sensor, the second temperature sensor
The second input terminal of controller is connected, the output end of the controller connects the control terminal of driving circuit, the driving circuit
The input terminal of output end connection solenoid valve.
The controller includes a control chip, which sentences including an analog-to-digital conversion module, a memory module, one
Cover half block and a control module.In the present embodiment, the control chip uses TMSC5000 model chip.
Under heating state, defrost air-conditioning is not shut down using described, follows the steps below operation:
The first step, first temperature sensor detect the temperature of condenser conveyance conduit every the N time, and current by what is measured
Tube temperature T1 is sent to controller；Meanwhile the second temperature sensor is every the environment temperature outside N time sensing chamber, and will survey
The current environmental temperature T2 obtained is sent to controller；
Current tube temperature T1 and current environmental temperature T2 are compared by second step, the determination module:
Third step, if the two temperature absolute value of the difference is greater than 17 DEG C, and when current tube temperature is lower than -7 DEG C, the control module is sent
Signal opens defrost pipeline to driving circuit, to control driving circuit drive magnetic valve, for a part to be had to the system of heat
Cryogen is sent into condenser, to carry out defrost to condenser；
No person, the solenoid valve are closed, and the intelligent air condition normally heats.
In the present embodiment, the flow controller uses capillary, electric expansion valve, short tube or nozzle.In addition, the electromagnetism
Valve has an aperture, the range of the aperture be [0,99), the aperture of the solenoid valve rule of thumb formulaDrive control.
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 (9)
1. a kind of intelligent air condition does not shut down defrosting method, it is characterised in that: build in advance not shut down defrost air-conditioning, the air-conditioning
Including successively constituting the compressor being connected by circulation, four-way valve, condenser, flow controller and evaporator；
It further include the first temperature sensor, second temperature sensor, a controller, a defrost pipeline and one drive circuit；Institute
It states the first temperature sensor ring to be located on the heat exchanger tube of condenser, for detecting the tube temperature of condenser, the second temperature sensing
Device ring is located at the outside of outdoor heat exchanger, and for detecting outdoor environment temperature, the defrost pipeline is a pipeline configuration, the pipeline
Structure one end connection refrigeration flows to the arrival end of condenser, and other end connection heating flows to the conveyance conduit of flow controller front end, institute
State solenoid valve of the defrost pipeline equipped with a control management on-off；The output end of first temperature sensor connects mould controller
First input end, the second input terminal of second temperature sensor connection controller, the output end connection of the controller
The control terminal of driving circuit, the input terminal of the output end connection solenoid valve of the driving circuit；
The controller includes a control chip, which includes a memory module, a determination module and a control mould
Block；
Defrost air-conditioning is not shut down using described, follows the steps below operation:
The first step, first temperature sensor detect the temperature of condenser conveyance conduit every the N time, and current by what is measured
Tube temperature T1 is sent to controller；Meanwhile the second temperature sensor is every the environment temperature outside N time sensing chamber, and will survey
The current environmental temperature T2 obtained is sent to controller；
Current tube temperature T1 and current environmental temperature T2 are compared by second step, the determination module:
Third step, if the two temperature absolute value of the difference is greater than 17 DEG C, and when current tube temperature is lower than -7 DEG C, the control module is sent
Signal opens defrost pipeline to driving circuit, to control driving circuit drive magnetic valve, for a part to be had to the system of heat
Cryogen is sent into condenser, to carry out defrost to condenser；No person, the solenoid valve are closed, and the intelligent air condition normally heats.
2. intelligent air condition according to claim 1 does not shut down defrosting method, it is characterised in that: the flow controller uses capillary
Pipe, electric expansion valve, short tube or nozzle.
3. intelligent air condition according to claim 1 does not shut down defrosting method, it is characterised in that: the solenoid valve includes valve
Seat, spool and driving motor, the spool are located in valve seat, can opposite valve seat be slidably connected, the driving motor is for driving
The sliding of movable valve plug opposite valve seat.
4. intelligent air condition according to claim 1 does not shut down defrosting method, it is characterised in that: the driving motor is using rotation
Rotating motor.
5. intelligent air condition according to claim 4 does not shut down defrosting method, it is characterised in that: the rotating electric machine includes outer
Stator and internal rotor, the external stator include stator core and stator coil, and the internal rotor includes permanent magnet and shaft, described
Permanent magnet is fixedly connected with shaft, and the output end of the shaft is as driving end driving spool opposite valve seat sliding.
6. intelligent air condition according to claim 1 does not shut down defrosting method, it is characterised in that: the solenoid valve has one to open
Degree, the range of the aperture be [0,99).
7. intelligent air condition according to claim 6 does not shut down defrosting method, it is characterised in that: the aperture root of the solenoid valve
According to empirical equationDrive control.
8. intelligent air condition according to claim 1 does not shut down defrosting method, it is characterised in that: the condenser includes heat dissipation
Fin and heat exchanger tube, the radiating fin interval are simultaneously dislocatedly distributed on heat exchanger tube.
9. -8 any intelligent air conditions do not shut down defrosting method according to claim 1, it is characterised in that: the control chip
Using TMSC5000 model chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782561.XA CN108954676A (en) | 2018-07-17 | 2018-07-17 | A kind of intelligent air condition does not shut down defrosting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782561.XA CN108954676A (en) | 2018-07-17 | 2018-07-17 | A kind of intelligent air condition does not shut down defrosting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954676A true CN108954676A (en) | 2018-12-07 |
Family
ID=64481533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810782561.XA Withdrawn CN108954676A (en) | 2018-07-17 | 2018-07-17 | A kind of intelligent air condition does not shut down defrosting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520797A (en) * | 2020-05-25 | 2020-08-11 | 广东志高暖通设备股份有限公司 | Floor heating multi-split air conditioner with anti-freezing monitoring function and anti-freezing control method thereof |
| CN114909775A (en) * | 2022-03-25 | 2022-08-16 | 北京小米移动软件有限公司 | Desktop air conditioner, defrosting control method and device of desktop air conditioner and storage medium |
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| CN114909775A (en) * | 2022-03-25 | 2022-08-16 | 北京小米移动软件有限公司 | Desktop air conditioner, defrosting control method and device of desktop air conditioner and storage medium |
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Application publication date: 20181207 |