CN106839282A - A kind of air-conditioner and its control method for over-heating protection and system - Google Patents
A kind of air-conditioner and its control method for over-heating protection and system Download PDFInfo
- Publication number
- CN106839282A CN106839282A CN201710007442.2A CN201710007442A CN106839282A CN 106839282 A CN106839282 A CN 106839282A CN 201710007442 A CN201710007442 A CN 201710007442A CN 106839282 A CN106839282 A CN 106839282A
- Authority
- CN
- China
- Prior art keywords
- air
- conditioner
- indoor
- temperature
- coil pipe
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- 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
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioner and its control method for over-heating protection and system; whether the present invention judges air-conditioner in dirty stifled state by whole electromechanical stream; judge whether indoor coil pipe sensor breaks down by whole electromechanical stream, indoor coil pipe and the absolute value of indoor coil setting value difference and the relation of given threshold; indoors during coil pipe sensor failure, by whole electromechanical flow control blower fan and the running status of compressor.Thus; the present invention can accurately distinguish the dirty stifled and two kinds of situations of indoor coil pipe sensor fault of air-conditioner; and air-conditioner is controlled according to every kind of situation; accurate overtemperature protection is carried out to air-conditioner; superheat protecting function can really be played; and when ensure that indoor coil pipe sensor fault, the normal operation of air-conditioner reduces the influence to heating effect.
Description
Technical field
It is to be related to a kind of air-conditioner and its control method for over-heating protection specifically the invention belongs to air-conditioning technique field
And system.
Background technology
Existing air-conditioner overtemperature protection is the method for taking detection indoor coil pipe, and room is reduced when coil temperature is too high indoors
Outer rotation speed of fan or outdoor fan are shut down or compressor shutdown, are protected with to air-conditioning system, it is to avoid system pressure mistake
Greatly.For example, when indoor set coil temperature is more than 53 DEG C, outdoor fan is by switching at a high speed low speed；Indoor set coil temperature is more than
At 56 DEG C, outdoor fan is switched to shut down by low speed；When indoor set coil temperature is more than 70 DEG C, compressor shutdown；It is so as to reduce
System pressure, protects air-conditioning system.Air-conditioner is all simulated by related experiment before dispatching from the factory, and overtemperature protection is not in problem.
But after air-conditioning is using a period of time, can there is indoor coil pipe sensor fault or the dirty stifled situation of system.
Can have that system pressure is too high when system occurs dirty stifled and indoor coil pipe sensor detection temperature is not high, from
Without causing high voltage protective.
When indoor coil sensing temperature device breaks down, cause detection temperature not to be inconsistent with actual temperature, outdoor can be caused
Blower fan, the misoperation of compressor cannot implement high voltage protective.
When actual temperature of the indoor coil pipe sensor detection temperature higher than indoor coil, overtemperature protection can be entered,
The reduction of outdoor fan wind speed and the shutdown of compressor are caused, heating effect is influenceed.When indoor coil pipe sensor detects temperature
When degree is less than the actual temperature of indoor coil, overtemperature protection can be caused to implement again, it is right so as to cause the pressure of system higher
Whole air-conditioning system causes damage.
The content of the invention
It is an object of the invention to provide a kind of control method for over-heating protection of air-conditioner, existing air-conditioner is solved by inspection
Surveying indoor coil pipe carries out the outdoor fan of overtemperature protection presence, the misoperation of compressor or cannot implement high voltage protective
Technical problem.
For achieving the above object, the control method for over-heating protection of the air-conditioner that the present invention is provided uses following technical sides
Case is achieved：
A kind of control method for over-heating protection of air-conditioner, methods described is：
Indoor temperature transmitter detects indoor temperature, and outdoor temperature sensor detection outdoor temperature, current detection module detection is whole
Electromechanics stream, indoor coil pipe sensor detection indoor coil pipe；
Whole electromechanical stream setting range and indoor coil pipe setting value are read according to indoor temperature, outdoor temperature；
Whether whole electromechanical stream is judged within whole electromechanical stream setting range, if so, and indoor coil pipe and indoor coil pipe
The absolute value of setting value difference is more than given threshold, then indoor coil pipe sensor failure；If whole electromechanical stream is more than setting
Determine the higher value of scope, then air-conditioner is dirty stifled, and control air-conditioner is shut down；
When coil temperature sensor breaks down indoors, by whole electromechanical flow control blower fan and the running status of compressor.
The control method for over-heating protection of air-conditioner as described above, when coil temperature sensor breaks down indoors, room
Interior temperature sensor detects indoor temperature, and outdoor temperature sensor detection outdoor temperature, the whole electromechanics of current detection module detection flows,
Outdoor fan unloading setting electric current is read according to indoor temperature, outdoor temperature, if whole electromechanics stream >=outdoor fan unloading setting electricity
Stream, controls the outdoor fan to shut down.
The control method for over-heating protection of air-conditioner as described above, when coil temperature sensor breaks down indoors, room
Interior temperature sensor detects indoor temperature, and outdoor temperature sensor detection outdoor temperature, the whole electromechanics of current detection module detection flows,
Compressor shutdown setting electric current is read according to indoor temperature, outdoor temperature, if whole electromechanics stream >=compressor shutdown setting electric current, control
Make the compressor shutdown.
The control method for over-heating protection of air-conditioner as described above, during the indoor coil pipe sensor failure,
The air-conditioner sends fault cues；And/or；When the air-conditioner is dirty stifled, the air-conditioner sends dirty stifled prompting.
The invention allows for a kind of overtemperature protection control system of air-conditioner, the system includes：
Indoor temperature transmitter, for detecting indoor temperature and sending to control module；
Outdoor temperature sensor, for detecting outdoor temperature and sending to control module；
Indoor coil pipe sensor, for detecting indoor coil pipe and sending to control module；
Current detection module, for detecting whole electromechanical stream and sending to control module；
Control module, the control module is stored with indoor temperature, outdoor temperature corresponding whole electromechanical stream setting range and interior
Coil temperature setting value, the control module is used to read whole electromechanical stream setting range according to the indoor temperature, outdoor temperature
With indoor coil pipe setting value；The control module judges whether the whole electromechanical stream is flowed within setting range in whole electromechanics,
If so, and control module judges the difference of indoor coil pipe and indoor coil pipe setting value more than given threshold, then it is indoor
Coil temperature sensor breaks down, and control module is by whole electromechanical flow control blower fan and the running status of compressor；If whole machine
More than the higher value of setting range, then air-conditioner is dirty stifled for electric current, and the control module control air-conditioner is shut down.
The overtemperature protection control system of air-conditioner as described above, the control module is stored with indoor temperature, outdoor temp
Corresponding outdoor fan unloading setting electric current is spent, the control module judges whole electromechanics stream >=outdoor fan unloading setting electric current
When, control the outdoor fan to shut down.
The overtemperature protection control system of air-conditioner as described above, the control module is stored with indoor temperature, outdoor temp
Corresponding compressor shutdown setting electric current is spent, when the control module judges whole electromechanics stream >=compressor shutdown setting electric current, control
Make the compressor shutdown.
The overtemperature protection control system of air-conditioner as described above, the control module judges that the indoor coil pipe is passed
When sensor breaks down, the control module exports fault message；And/or；The control module judges that the air-conditioner is dirty stifled
When, the control module exports dirty stifled information.
The overtemperature protection control system of air-conditioner as described above, the system includes wireless communication module, for by institute
The fault message and/or dirty stifled information for stating control module output are sent to other equipment.
The invention allows for a kind of air-conditioner, the air-conditioner includes above-mentioned control system.
Compared with prior art, advantages and positive effects of the present invention are：Air-conditioner of the present invention is stored with different outdoor temps
Under the conditions of degree, indoor temperature, whole electromechanical stream setting range and indoor coil pipe setting value when air-conditioning system is normally run.This
Invent and whether air-conditioner is judged in dirty stifled state by whole electromechanical stream, by whole electromechanical stream, indoor coil pipe and indoor disk
The absolute value of pipe setting value difference judges whether indoor coil pipe sensor breaks down with the relation of given threshold, indoors
During coil pipe sensor failure, by whole electromechanical flow control blower fan and the running status of compressor.Thus, the present invention can be accurate
The dirty stifled and two kinds of situations of indoor coil pipe sensor fault of air-conditioner are really distinguished, and air-conditioner is controlled according to every kind of situation
System, accurate overtemperature protection is carried out to air-conditioner, can really play superheat protecting function, and ensure that indoor coil pipe
During sensor fault, the normal operation of air-conditioner reduces the influence to heating effect.
After specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Brief description of the drawings
Fig. 1 is the flow chart of specific embodiment of the invention air-conditioner method for excessive heating protection.
Fig. 2 is the theory diagram of specific embodiment of the invention air-conditioner overheat protecting system.
Specific embodiment
Technical scheme is described in further detail with reference to the accompanying drawings and detailed description.
The present embodiment proposes a kind of control method for over-heating protection of air-conditioner, and whether air-conditioner is judged by whole electromechanical stream
In dirty stifled state, when air-conditioner is in dirty stifled state, control air-conditioner is shut down；By it is whole it is electromechanical flow, indoor coil pipe with
The absolute value of indoor coil setting value difference judges whether indoor coil pipe sensor breaks down with the relation of given threshold,
When coil temperature sensor breaks down indoors, by whole electromechanical flow control blower fan and the running status of compressor.
Specifically, the control method for over-heating protection of the present embodiment air-conditioner is：
Indoor temperature transmitter detects indoor temperature, and outdoor temperature sensor detection outdoor temperature, current detection module detection is whole
Electromechanics stream, indoor coil pipe sensor detection indoor coil pipe.
Whole electromechanical stream setting range and indoor coil pipe setting value are read according to indoor temperature, outdoor temperature.Air-conditioner
Memory storage is by indoor temperature, outdoor temperature corresponding whole electromechanical stream setting range and indoor coil pipe setting value.
Whether whole electromechanical stream is judged within whole electromechanical stream setting range, if so, and indoor coil pipe and indoor coil
The absolute value of desired temperature difference is more than given threshold, then indoor coil pipe sensor failure；Coil pipe temperature indoors
During degree sensor failure, by whole electromechanical flow control blower fan and the running status of compressor.If whole electromechanical stream is more than setting
The higher value of scope, then air-conditioner is dirty stifled, and control air-conditioner is shut down.
When coil temperature sensor breaks down indoors, indoor temperature transmitter detection indoor temperature, outdoor temperature is passed
Sensor detects outdoor temperature, and the whole electromechanical stream of current detection module detection reads outdoor fan and unload according to indoor temperature, outdoor temperature
Setting electric current is carried, if whole electromechanics stream >=outdoor fan unloading setting electric current, control outdoor fan shuts down.
When coil temperature sensor breaks down indoors, indoor temperature transmitter detection indoor temperature, outdoor temperature is passed
Sensor detects outdoor temperature, and the whole electromechanical stream of current detection module detection reads compressor shutdown according to indoor temperature, outdoor temperature
Setting electric current, if whole electromechanics stream >=compressor shutdown setting electric current, controls compressor shutdown.
Wherein, during indoor coil pipe sensor failure, air-conditioner sends fault cues；It is empty when air-conditioner is dirty stifled
Device is adjusted to send dirty stifled prompting.
In the present embodiment, indoor temperature, outdoor temperature, whole electromechanical stream setting range, indoor coil pipe setting value, outdoor
Blower fan unloading setting electric current, compressor shutdown setting electric current can be stored as lower sheet form：
| Indoor temperature | Outdoor temperature | Whole electromechanical stream setting range | Indoor coil pipe setting value | Outdoor fan unloads setting electric current | Compressor shutdown setting electric current | |
| 1 | Tin1 | Tout1 | Imin1-Imax1 | T1 | Ixz1 | It1 |
| 2 | Tin2 | Tout2 | Imin2-Imax2 | T2 | Ixz2 | It2 |
| … | … | … | … | … | … | … |
| j | Tinj | Toutj | Iminj-Imaxj | Tj | Ixzj | Itj |
| … | … | … | … | … | … | … |
If indoor temperature transmitter detection indoor temperature is Tin2, outdoor temperature sensor detection outdoor temperature is Tout2, electric current
The whole electromechanical stream of detection module detection is I, and indoor coil pipe sensor detection indoor coil pipe is T.Then according to indoor temperature
It is Imin2-Imax2 that Tin2, outdoor temperature Tout2 read whole electromechanical stream setting range, and indoor coil pipe setting value is T2.
Whether whole electromechanical stream I is judged in whole electromechanical stream setting range Imin2-Imax2, if so, and indoor coil pipe T
Absolute value with indoor coil pipe setting value T2 differences is more than given threshold, then indoor temperature transmitter breaks down；If room
Inner coil pipe temperature T is less than or equal to given threshold with the absolute value of indoor coil pipe setting value T2 differences, then air-conditioner is normally transported
OK.If whole electromechanical stream I is more than the higher value Imax2 of setting range, air-conditioner is dirty stifled, and control air-conditioner is shut down.
When temperature sensor breaks down indoors, by whole electromechanical flow control blower fan and the running status of compressor.Tool
Body, indoor temperature transmitter detection indoor temperature Tinj, outdoor temperature sensor detection outdoor temperature Toutj, current detecting
The whole electromechanical stream I of module detection, outdoor fan unloading setting electric current Ixzj is read according to indoor temperature Tinj, outdoor temperature Toutj
With compressor shutdown setting electric current Itj, if whole electromechanical stream I >=outdoor fan unloading setting electric current Ixzj, control outdoor fan stops
Only operate, if whole electromechanical stream I >=compressor shutdown setting electric current Itj, controls compressor shutdown.Wherein, compressor shutdown setting
Electric current unloads setting electric current more than outdoor fan.
As shown in figure 1, the method for the present embodiment comprises the following steps：
S1, indoor temperature transmitter detection indoor temperature, outdoor temperature sensor detection outdoor temperature, current detection module detection
Whole electromechanical stream, indoor coil pipe sensor detection indoor coil pipe.
S2, whole electromechanical stream setting range and indoor coil pipe setting value are read according to indoor temperature, outdoor temperature.
S3, whether whole electromechanical stream is judged within whole electromechanical stream setting range, if so, into step S5；If whole electromechanical stream
More than the higher value of setting range, into step S4.If whole electromechanical stream is shut down, is had less than the smaller value of setting range, air-conditioner
Leakage of refrigerant may occur.
S4, air-conditioner are dirty stifled, control air-conditioner shutdown.
The absolute value of S5, indoor coil pipe and indoor coil pipe setting value difference is more than given threshold, if it is not, into
Step S6；If so, into step S7；
S6, air-conditioner normally run.
S7, indoor coil pipe sensor failure, by whole electromechanical flow control blower fan and the running status of compressor.
In the step s 7, indoor temperature transmitter detection indoor temperature, outdoor temperature sensor detection outdoor temperature, electric current
The whole electromechanical stream of detection module detection, reads outdoor fan unloading setting electric current and compressor stops according to indoor temperature, outdoor temperature
Machine setting electric current, if whole electromechanics stream >=outdoor fan unloading setting electric current, control outdoor fan shuts down；If whole electromechanical stream >=
Compressor shutdown setting electric current, controls compressor shutdown.
As shown in Fig. 2 the present embodiment also proposed a kind of overtemperature protection control system of air-conditioner, including indoor temperature is passed
Sensor, outdoor temperature sensor, indoor coil pipe sensor, current detection module and control module.It is described as follows：
Indoor temperature transmitter, for detecting indoor temperature and sending to control module；
Outdoor temperature sensor, for detecting outdoor temperature and sending to control module；
Indoor coil pipe sensor, for detecting indoor coil pipe and sending to control module；
Current detection module, for detecting whole electromechanical stream and sending to control module；
Control module, control module is stored with indoor temperature, outdoor temperature corresponding whole electromechanical stream setting range and indoor coil
Desired temperature, as shown above, here is omitted for storage form.
Control module is used to read whole electromechanical stream setting range according to indoor temperature, outdoor temperature and indoor coil pipe sets
Definite value；Whether control module judges the whole electromechanical stream within whole electromechanical stream setting range, if so, and control module judges room
Inner coil pipe temperature is more than given threshold with the difference of indoor coil pipe setting value, then indoor coil pipe sensor occurs event
Barrier, control module is by whole electromechanical flow control blower fan and the running status of compressor；If so, and control module judges indoor coil
Temperature is less than or equal to given threshold with the difference of indoor coil pipe setting value, then indoor coil pipe sensor does not occur event
Barrier, air-conditioner normally runs.If whole electromechanical stream is more than the higher value of whole electromechanical stream setting range, air-conditioner is dirty stifled, controls mould
Block control air-conditioner is shut down；If whole electromechanical stream is shut down less than the smaller value of whole electromechanical stream setting range, air-conditioner, it is possible to sent out
Raw leakage of refrigerant.
Control module is also stored with indoor temperature, outdoor temperature corresponding outdoor fan unloading setting electric current, control module
When judging whole electromechanics stream >=outdoor fan unloading setting electric current, control outdoor fan shuts down.
Control module is stored with the corresponding compressor shutdown setting electric current of indoor temperature, outdoor temperature, and control module judges
During whole electromechanics stream >=compressor shutdown setting electric current, compressor shutdown is controlled.
When control module judges the indoor coil pipe sensor failure, control module output fault message；Control
When molding block judges that the air-conditioner is dirty stifled, control module exports dirty stifled information；To point out user to process.
The overtemperature protection control system of the present embodiment air-conditioner also includes wireless communication module, for control module to be exported
Fault message and/or dirty stifled information send to other equipment, to point out user to process.
The present embodiment also proposed a kind of air-conditioner, and air-conditioner includes above-mentioned control system.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to foregoing reality
Example is applied to be described in detail the present invention, for the person of ordinary skill of the art, still can be to foregoing implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the spirit and scope of the essence disengaging claimed technical solution of the invention of appropriate technical solution.
Claims (10)
1. a kind of control method for over-heating protection of air-conditioner, it is characterised in that methods described is：
Indoor temperature transmitter detects indoor temperature, and outdoor temperature sensor detection outdoor temperature, current detection module detection is whole
Electromechanics stream, indoor coil pipe sensor detection indoor coil pipe；
Whole electromechanical stream setting range and indoor coil pipe setting value are read according to indoor temperature, outdoor temperature；
Whether whole electromechanical stream is judged within whole electromechanical stream setting range, if so, and indoor coil pipe and indoor coil pipe
The absolute value of setting value difference is more than given threshold, then indoor coil pipe sensor failure；If whole electromechanical stream is more than setting
Determine the higher value of scope, then air-conditioner is dirty stifled, control air-conditioner is shut down；
When coil temperature sensor breaks down indoors, by whole electromechanical flow control blower fan and the running status of compressor.
2. the control method for over-heating protection of air-conditioner according to claim 1, it is characterised in that coil temperature is passed indoors
When sensor breaks down, indoor temperature transmitter detection indoor temperature, outdoor temperature sensor detection outdoor temperature, current detecting
The whole electromechanical stream of module detection, reads outdoor fan unloading setting electric current, if whole electromechanical stream >=room according to indoor temperature, outdoor temperature
Outer blower fan unloads setting electric current, controls the outdoor fan to shut down.
3. the control method for over-heating protection of air-conditioner according to claim 2, it is characterised in that coil temperature is passed indoors
When sensor breaks down, indoor temperature transmitter detection indoor temperature, outdoor temperature sensor detection outdoor temperature, current detecting
The whole electromechanical stream of module detection, compressor shutdown setting electric current is read according to indoor temperature, outdoor temperature, if whole electromechanical stream >=compression
Machine shuts down setting electric current, controls the compressor shutdown.
4. the control method for over-heating protection of the air-conditioner according to claim 1-3 any one, it is characterised in that the room
When inner coil pipe temperature sensor breaks down, the air-conditioner sends fault cues；And/or；It is described when the air-conditioner is dirty stifled
Air-conditioner sends dirty stifled prompting.
5. the overtemperature protection control system of a kind of air-conditioner, it is characterised in that the system includes：
Indoor temperature transmitter, for detecting indoor temperature and sending to control module；
Outdoor temperature sensor, for detecting outdoor temperature and sending to control module；
Indoor coil pipe sensor, for detecting indoor coil pipe and sending to control module；
Current detection module, for detecting whole electromechanical stream and sending to control module；
Control module, the control module is stored with indoor temperature, outdoor temperature corresponding whole electromechanical stream setting range and interior
Coil temperature setting value, the control module is used to read whole electromechanical stream setting range according to the indoor temperature, outdoor temperature
With indoor coil pipe setting value；The control module judges whether the whole electromechanical stream is flowed within setting range in whole electromechanics,
If so, and control module judges the difference of indoor coil pipe and indoor coil pipe setting value more than given threshold, then it is indoor
Coil temperature sensor breaks down, and control module is by whole electromechanical flow control blower fan and the running status of compressor；If whole machine
More than the higher value of setting range, then air-conditioner is dirty stifled for electric current, and the control module control air-conditioner is shut down.
6. the overtemperature protection control system of air-conditioner according to claim 5, it is characterised in that the control module storage
There is the corresponding outdoor fan unloading setting electric current of indoor temperature, outdoor temperature, the control module judges whole electromechanical stream >=outdoor
During blower fan unloading setting electric current, the outdoor fan is controlled to shut down.
7. the overtemperature protection control system of air-conditioner according to claim 5, it is characterised in that the control module storage
There is the corresponding compressor shutdown setting electric current of indoor temperature, outdoor temperature, the control module judges whole electromechanical stream >=compressor
When shutting down setting electric current, the compressor shutdown is controlled.
8. the overtemperature protection control system of the air-conditioner according to claim 5-7 any one, it is characterised in that the control
When molding block judges the indoor coil pipe sensor failure, the control module exports fault message；And/or；Institute
When stating control module and judging that the air-conditioner is dirty stifled, the control module exports dirty stifled information.
9. the overtemperature protection control system of air-conditioner according to claim 8, it is characterised in that the system includes wireless
Communication module, fault message and/or dirty stifled information for the control module to be exported are sent to other equipment.
10. a kind of air-conditioner, it is characterised in that the air-conditioner includes the control system described in claim 5-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007442.2A CN106839282B (en) | 2017-01-05 | 2017-01-05 | A kind of air conditioner and its control method for over-heating protection and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007442.2A CN106839282B (en) | 2017-01-05 | 2017-01-05 | A kind of air conditioner and its control method for over-heating protection and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839282A true CN106839282A (en) | 2017-06-13 |
| CN106839282B CN106839282B (en) | 2019-10-01 |
Family
ID=59117806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007442.2A Active CN106839282B (en) | 2017-01-05 | 2017-01-05 | A kind of air conditioner and its control method for over-heating protection and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839282B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344106A (en) * | 2018-02-14 | 2018-07-31 | 青岛海尔空调器有限总公司 | Automatically cleaning control method for air conditioner |
| CN110440392A (en) * | 2019-08-09 | 2019-11-12 | 芜湖美智空调设备有限公司 | Detection method, system and the air-conditioning of air-conditioning |
| CN110500710A (en) * | 2019-07-30 | 2019-11-26 | 广东申菱环境系统股份有限公司 | A kind of air-conditioning fault self-diagnosis method |
| CN110594955A (en) * | 2019-09-18 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Control method and control device for self-repairing of air conditioner and air conditioner |
| WO2019242702A1 (en) * | 2018-06-21 | 2019-12-26 | 青岛海尔空调器有限总公司 | Method for controlling air conditioner, and air conditioner |
| CN110657552A (en) * | 2019-09-04 | 2020-01-07 | 特灵空调系统(中国)有限公司 | Fault detection method, heat exchange system and computer readable storage medium |
| CN110749027A (en) * | 2019-10-29 | 2020-02-04 | 珠海格力电器股份有限公司 | Monitoring method and device for electrical equipment, air conditioner and storage medium |
| CN111285029A (en) * | 2020-03-20 | 2020-06-16 | 青岛中加特电气股份有限公司 | Control method of tail tensioning electromagnetic valve of scraper conveyor |
| CN111854040A (en) * | 2020-07-24 | 2020-10-30 | 广东美的暖通设备有限公司 | Self-cleaning method and device of air conditioner, air conditioner and electronic equipment |
| CN112051465A (en) * | 2020-08-25 | 2020-12-08 | 中国航空工业集团公司沈阳飞机设计研究所 | Fault detection method and system for dual-channel airborne temperature sensor |
| CN112555977A (en) * | 2020-12-10 | 2021-03-26 | 广东芬尼克兹节能设备有限公司 | Frequency modulation method and device of variable frequency heat pump, computer equipment and storage medium |
| CN112944563A (en) * | 2021-02-22 | 2021-06-11 | 青岛海尔空调电子有限公司 | Compressor control method for air conditioner |
| CN114234359A (en) * | 2021-11-09 | 2022-03-25 | 海信（广东）空调有限公司 | Air conditioner and refrigerant leakage detection method thereof |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630325A (en) * | 1994-01-24 | 1997-05-20 | Copeland Corporation | Heat pump motor optimization and sensor fault detection |
| JPH09178307A (en) * | 1995-12-25 | 1997-07-11 | Mitsubishi Electric Corp | Control device of air conditioner |
| CN1737448A (en) * | 2005-06-20 | 2006-02-22 | 珠海格力电器股份有限公司 | Air conditioner capable of diagnosing failure of refrigerant shortage and system block and diagnosis method thereof |
| CN101251287A (en) * | 2007-02-20 | 2008-08-27 | 三星电子株式会社 | Air conditioner and control method thereof |
| JP2008202905A (en) * | 2007-02-22 | 2008-09-04 | Sharp Corp | Air conditioner |
| EP2051019A2 (en) * | 2007-10-18 | 2009-04-22 | LG Electronics Inc. | Motor controller of air conditioner and method of the motor controller |
| CN102692066A (en) * | 2012-06-14 | 2012-09-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN202547010U (en) * | 2012-03-07 | 2012-11-21 | 广东志高空调有限公司 | Air conditioner overheat protection control device |
| CN103134142A (en) * | 2013-02-27 | 2013-06-05 | 四川长虹空调有限公司 | Method for detecting complete blockage of air conditioning system |
| CN104110781A (en) * | 2013-11-21 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and filth blockage detection control method and device therefor |
| CN104748300A (en) * | 2015-02-27 | 2015-07-01 | 青岛海尔空调器有限总公司 | Air conditioner fault auxiliary rapid diagnosis control method |
| CN104949276A (en) * | 2015-06-24 | 2015-09-30 | 海信（山东）空调有限公司 | Air conditioner running state self-detecting method and system |
| CN104990202A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for filth blockage control of air conditioner, and indoor unit |
| KR20160007845A (en) * | 2014-07-03 | 2016-01-21 | 권동철 | BLDC FAN motor drive control system |
| CN105588285A (en) * | 2016-01-21 | 2016-05-18 | 青岛工学院 | Air conditioner based on pipeline blocking self-diagnosis method |
| CN105953357A (en) * | 2016-04-28 | 2016-09-21 | 宁波奥克斯空调有限公司 | Control method for variable frequency air conditioner |
-
2017
- 2017-01-05 CN CN201710007442.2A patent/CN106839282B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630325A (en) * | 1994-01-24 | 1997-05-20 | Copeland Corporation | Heat pump motor optimization and sensor fault detection |
| JPH09178307A (en) * | 1995-12-25 | 1997-07-11 | Mitsubishi Electric Corp | Control device of air conditioner |
| CN1737448A (en) * | 2005-06-20 | 2006-02-22 | 珠海格力电器股份有限公司 | Air conditioner capable of diagnosing failure of refrigerant shortage and system block and diagnosis method thereof |
| CN101251287A (en) * | 2007-02-20 | 2008-08-27 | 三星电子株式会社 | Air conditioner and control method thereof |
| JP2008202905A (en) * | 2007-02-22 | 2008-09-04 | Sharp Corp | Air conditioner |
| EP2051019A2 (en) * | 2007-10-18 | 2009-04-22 | LG Electronics Inc. | Motor controller of air conditioner and method of the motor controller |
| CN202547010U (en) * | 2012-03-07 | 2012-11-21 | 广东志高空调有限公司 | Air conditioner overheat protection control device |
| CN102692066A (en) * | 2012-06-14 | 2012-09-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN103134142A (en) * | 2013-02-27 | 2013-06-05 | 四川长虹空调有限公司 | Method for detecting complete blockage of air conditioning system |
| CN104110781A (en) * | 2013-11-21 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and filth blockage detection control method and device therefor |
| KR20160007845A (en) * | 2014-07-03 | 2016-01-21 | 권동철 | BLDC FAN motor drive control system |
| CN104748300A (en) * | 2015-02-27 | 2015-07-01 | 青岛海尔空调器有限总公司 | Air conditioner fault auxiliary rapid diagnosis control method |
| CN104990202A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for filth blockage control of air conditioner, and indoor unit |
| CN104949276A (en) * | 2015-06-24 | 2015-09-30 | 海信（山东）空调有限公司 | Air conditioner running state self-detecting method and system |
| CN105588285A (en) * | 2016-01-21 | 2016-05-18 | 青岛工学院 | Air conditioner based on pipeline blocking self-diagnosis method |
| CN105953357A (en) * | 2016-04-28 | 2016-09-21 | 宁波奥克斯空调有限公司 | Control method for variable frequency air conditioner |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344106A (en) * | 2018-02-14 | 2018-07-31 | 青岛海尔空调器有限总公司 | Automatically cleaning control method for air conditioner |
| CN110631225B (en) * | 2018-06-21 | 2021-06-29 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
| WO2019242702A1 (en) * | 2018-06-21 | 2019-12-26 | 青岛海尔空调器有限总公司 | Method for controlling air conditioner, and air conditioner |
| CN110631225A (en) * | 2018-06-21 | 2019-12-31 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
| CN110500710A (en) * | 2019-07-30 | 2019-11-26 | 广东申菱环境系统股份有限公司 | A kind of air-conditioning fault self-diagnosis method |
| CN110500710B (en) * | 2019-07-30 | 2021-07-20 | 广东申菱环境系统股份有限公司 | Air conditioner fault self-diagnosis method |
| CN110440392A (en) * | 2019-08-09 | 2019-11-12 | 芜湖美智空调设备有限公司 | Detection method, system and the air-conditioning of air-conditioning |
| CN110657552A (en) * | 2019-09-04 | 2020-01-07 | 特灵空调系统(中国)有限公司 | Fault detection method, heat exchange system and computer readable storage medium |
| CN110594955A (en) * | 2019-09-18 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Control method and control device for self-repairing of air conditioner and air conditioner |
| CN110749027A (en) * | 2019-10-29 | 2020-02-04 | 珠海格力电器股份有限公司 | Monitoring method and device for electrical equipment, air conditioner and storage medium |
| CN111285029A (en) * | 2020-03-20 | 2020-06-16 | 青岛中加特电气股份有限公司 | Control method of tail tensioning electromagnetic valve of scraper conveyor |
| CN111285029B (en) * | 2020-03-20 | 2021-11-30 | 青岛中加特电气股份有限公司 | Control method of tail tensioning electromagnetic valve of scraper conveyor |
| CN111854040A (en) * | 2020-07-24 | 2020-10-30 | 广东美的暖通设备有限公司 | Self-cleaning method and device of air conditioner, air conditioner and electronic equipment |
| CN112051465A (en) * | 2020-08-25 | 2020-12-08 | 中国航空工业集团公司沈阳飞机设计研究所 | Fault detection method and system for dual-channel airborne temperature sensor |
| CN112555977A (en) * | 2020-12-10 | 2021-03-26 | 广东芬尼克兹节能设备有限公司 | Frequency modulation method and device of variable frequency heat pump, computer equipment and storage medium |
| CN112555977B (en) * | 2020-12-10 | 2022-07-08 | 广东芬尼克兹节能设备有限公司 | Frequency modulation method and device of variable frequency heat pump, computer equipment and storage medium |
| CN112944563A (en) * | 2021-02-22 | 2021-06-11 | 青岛海尔空调电子有限公司 | Compressor control method for air conditioner |
| CN114234359A (en) * | 2021-11-09 | 2022-03-25 | 海信（广东）空调有限公司 | Air conditioner and refrigerant leakage detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106839282B (en) | 2019-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106839282A (en) | A kind of air-conditioner and its control method for over-heating protection and system | |
| CN104676855B (en) | Transducer air conditioning and its coolant leakage detection method | |
| CN102748275B (en) | Frequency boundary control method for variable-frequency air conditioner compressor | |
| CN104596036B (en) | Anti-freeze control method and device | |
| JP6548285B2 (en) | Control method of air conditioner and air conditioner | |
| CN104807129B (en) | The control method of air conditioner | |
| CN104633847B (en) | The implementation method and device of air conditioner protection circuit | |
| CN104482638A (en) | Air conditioner and fault detection method for electronic expansion valve of air conditioner | |
| CN104101051A (en) | Air conditioner and detection control method and device for abnormal coolant circulation of air conditioner | |
| CN107560101B (en) | A kind of fault detection method of air conditioner electronic expansion valve | |
| CN108050663A (en) | Control method and device, air-conditioning and the storage medium of compressor self-shield | |
| CN105864964A (en) | Fault handling method and device for air conditioner and air conditioner | |
| US10139124B2 (en) | Method and apparatus for system diagnostics using accelerometers | |
| US11609010B2 (en) | Detection of refrigerant side faults | |
| CN105571074A (en) | Method and device for controlling rotation speed of air conditioner external fan | |
| CN106871355A (en) | The control method and system of the auxiliary heat of heat pump type air conditioner, heat pump type air conditioner electricity | |
| US11460207B2 (en) | Avoiding coil freeze in HVAC systems | |
| US11609046B2 (en) | Detecting loss of charge in HVAC systems | |
| US11639803B2 (en) | System and method for identifying causes of HVAC system faults | |
| US11692726B2 (en) | System and method for distinguishing HVAC system faults | |
| US11268721B2 (en) | HVAC system prognostics and diagnostics based on temperature rise or drop | |
| CN104848479A (en) | Air conditioner, method and device for refrigerant pipeline pressure monitor and system control thereof | |
| US11788753B2 (en) | HVAC system fault prognostics and diagnostics | |
| CN104930639A (en) | Variable frequency air conditioner and control device and method thereof | |
| US11415470B2 (en) | Method and apparatus for identifying erroneous discharge air temperature (DAT) sensor installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |