CN109539513A - Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning - Google Patents
Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning Download PDFInfo
- Publication number
- CN109539513A CN109539513A CN201811408797.3A CN201811408797A CN109539513A CN 109539513 A CN109539513 A CN 109539513A CN 201811408797 A CN201811408797 A CN 201811408797A CN 109539513 A CN109539513 A CN 109539513A
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- Prior art keywords
- air
- conditioning
- machine
- outside
- telecommunication circuit
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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
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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
- F24F11/38—Failure diagnosis
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
- F24F11/62—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
Abstract
Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning proposed by the present invention, by on the basis of communication loop, add stand-by power supply circuit, become larger when impedance occurs with the increase of the service life in the device on communication loop, or current conversion efficiency is when being lower, the method by increasing backup power source reduces electric current not, so that inside and outside machine is effectively communicated to connect, air-conditioning normal use.
Description
Technical field
The present embodiments relate to air-conditioning technical fields, and in particular to machine telecommunication circuit and its control electricity inside and outside a kind of air-conditioning
Road and a kind of air-conditioning.
Background technique
Communication failure is a kind of common failure on convertible frequency air-conditioner, and machine communication quality affects air-conditioning system inside and outside convertible frequency air-conditioner
The normal operation of system, under normal operation, the inside and outside machine of convertible frequency air-conditioner carries out data exchange, when the device in telecommunication circuit with
The increase of service life occur that impedance becomes larger or when current conversion efficiency is lower, inside and outside machine can not be communicated effectively
Connection, air-conditioning are not available.
Summary of the invention
In order to solve, above-mentioned because device aging makes telecommunication circuit impedance, the reasons such as become larger become telecommunication circuit electric current
Low, the technical issues of can not effectively be communicated to connect so as to cause machine inside and outside air-conditioning, the embodiment of the invention provides one kind
Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside air-conditioning.
In view of this, in a first aspect, the embodiment of the present invention provides machine telecommunication circuit inside and outside a kind of air-conditioning, including power supply and logical
Believe the communication loop of equipment composition, further includes: stand-by power supply circuit;
The stand-by power supply circuit includes: backup power source and normally closed switch;
The normally closed switch is in parallel with the backup power source;
The backup power source is connected with the power supply.
Optionally, the anode of the power supply is connect with the cathode of the backup power source;
The cathode of the power supply is connect with described communication equipment one end;
The anode of the backup power source is connect with the communication equipment other end.
Optionally, the normally closed switch is relay.
Optionally, the communication equipment includes interior machine photo-coupler and outer machine photo-coupler.
Second aspect, the embodiment of the present invention provide a kind of control method of machine telecommunication circuit inside and outside air-conditioning, are applied to first
Machine telecommunication circuit inside and outside air-conditioning described in aspect, the control method include:
After power-on of air conditioner booting, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;
If cannot, it controls the normally closed switch inside and outside the air-conditioning in the stand-by power supply circuit of machine telecommunication circuit and opens, it is standby
With power supply access communications circuit.
Optionally, the control method further include:
After power-on of air conditioner booting, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;
If can, it is logical within the first threshold time to be spaced machine telecommunication circuit inside and outside the primary air-conditioning of predetermined time detection
Believe signal packet loss;
Judge whether the packet loss is greater than second threshold;
If more than the normally closed switch for then controlling stand-by power supply circuit is opened, backup power source access communications circuit.
Optionally, the control method further include:
After the normally closed switch is opened, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;If cannot,
Then carry out fault alarm.
The third aspect, the embodiment of the present invention provide a kind of air-conditioning, comprising: machine communication electricity inside and outside air-conditioning described in first aspect
Road.
Fourth aspect, the embodiment of the present invention also propose a kind of non-transient computer readable storage medium, the non-transient meter
Calculation machine readable storage medium storing program for executing stores computer instruction, and the computer instruction makes the computer execute the side as described in second aspect
The step of method.
Compared with prior art, machine telecommunication circuit inside and outside a kind of air-conditioning that the embodiment of the present invention proposes, by communication loop
On the basis of, stand-by power supply circuit is added, is become larger when impedance occurs with the increase of the service life in the device on communication loop, or
When person's current conversion efficiency is lower, by the method for increase backup power source, reduce electric current not, so that inside and outside machine is had
The communication connection of effect, air-conditioning normal use.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Machine telecommunication circuit schematic diagram inside and outside a kind of Fig. 1 air-conditioning that embodiment provides to realize the present invention;
Machine telecommunication circuit control method flow chart inside and outside a kind of Fig. 2 air-conditioning that embodiment provides to realize the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is machine telecommunication circuit schematic diagram inside and outside a kind of air-conditioning provided in an embodiment of the present invention, and machine is logical inside and outside the air-conditioning
Letter circuit includes the communication loop of power supply U1 and communication equipment composition, further includes: stand-by power supply circuit;As shown in Figure 1, described logical
Letter equipment includes interior machine photo-coupler OPT1 and outer machine photo-coupler OPT2, and photo-coupler OPT1 and OPT2 are used to receive signal,
And electric signal can be converted optical signals to, or, converting electrical signals to optical signal;The communication loop further includes indicating communication
The R1 and R2 of circuit overall impedance, described R1, OPT1, R2 and OPT2 are sequentially connected in series;
Stand-by power supply circuit includes: backup power source U2 and normally closed switch K1;
The normally closed switch K1 is in parallel with the backup power source U2;
The anode of the power supply U1 is connect with the cathode of the backup power source U2;
The cathode of the power supply U1 is connect with the OPT2;
The anode of the backup power source U2 is connect with the R1.
Specifically, in the embodiment of the present application, the voltage value of the backup power source U2 is not less than U1.
Specifically, in the embodiment of the present application, the normally closed switch K1 is relay.
Machine telecommunication circuit inside and outside a kind of air-conditioning that the embodiment of the present invention proposes, by adding on the basis of communication loop
Stand-by power supply circuit, when the device on communication loop occur with the increase of the service life impedance become larger or electric current conversion effect
When rate is lower, by the method for increase backup power source, reduce electric current not, so that inside and outside machine carries out effective communication link
It connects, air-conditioning normal use.
The embodiment of the present invention also provides a kind of method for controlling machine telecommunication circuit inside and outside above-mentioned air-conditioning, as shown in Fig. 2, described
Control method includes:
After power-on of air conditioner booting, the transmission of outdoor machine of air-conditioner photo-coupler can be connected to by detecting air-conditioning internal machine photo-coupler
Signal judges machine inside and outside air-conditioning or, can detection outdoor machine of air-conditioner photo-coupler be connected to the signal of air-conditioning internal machine photo-coupler transmission
Can telecommunication circuit communicate;
If cannot communicate, the normally closed switch for controlling stand-by power supply circuit is opened, backup power source access communications circuit;It is spare
After plant-grid connection communication loop, can detection be connected to the transmission of outdoor machine of air-conditioner photo-coupler by detecting air-conditioning internal machine photo-coupler
Signal judges machine inside and outside air-conditioning or, can detection outdoor machine of air-conditioner photo-coupler be connected to the signal of air-conditioning internal machine photo-coupler transmission
Can telecommunication circuit communicate;If can, air-conditioning works normally, if cannot, carry out fault alarm;
If can communicate after power-on of air conditioner booting, then detected in a first threshold time at interval of the predetermined time
Signal of communication packet loss, judge whether the packet loss is greater than second threshold, if more than the normal of stand-by power supply circuit is then controlled
Make and break, which is closed, opens, backup power source access communications circuit;Behind backup power source access communications circuit, detection passes through detection air-conditioning internal machine light
Can coupler be connected to the signal of outdoor machine of air-conditioner photo-coupler transmission, or, can detection outdoor machine of air-conditioner photo-coupler be connected to air-conditioning
The signal that interior machine photo-coupler is sent, judges that can machine telecommunication circuit communicate inside and outside air-conditioning;If can, air-conditioning works normally, if
Cannot, then carry out fault alarm.
Specifically, predetermined time sets itself according to the actual situation, such as can be 5 minutes;
Specifically, sets itself according to the actual situation at the first time, such as can be 3 minutes;
Specifically, predetermined time sets itself according to the actual situation, such as can be 80%.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. machine telecommunication circuit inside and outside a kind of air-conditioning, the communication loop including power supply and communication equipment composition, which is characterized in that also wrap
It includes: stand-by power supply circuit;
The stand-by power supply circuit includes: backup power source and normally closed switch;
The normally closed switch is in parallel with the backup power source;
The backup power source is connected with the power supply.
2. machine telecommunication circuit inside and outside air-conditioning according to claim 1, which is characterized in that the power supply anode with it is described standby
It is connected with the cathode of power supply;
The cathode of the power supply is connect with described communication equipment one end;
The anode of the backup power source is connect with the communication equipment other end.
3. machine telecommunication circuit inside and outside air-conditioning according to claim 1, which is characterized in that the normally closed switch is relay.
4. machine telecommunication circuit inside and outside air-conditioning according to claim 1, which is characterized in that the communication equipment includes interior machine light
Coupler and outer machine photo-coupler.
5. the control method of machine telecommunication circuit inside and outside a kind of air-conditioning, which is characterized in that be applied to described in any one of claim 1-4
Air-conditioning inside and outside machine telecommunication circuit, the control method includes:
After power-on of air conditioner booting, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;
If cannot, it controls the normally closed switch inside and outside the air-conditioning in the stand-by power supply circuit of machine telecommunication circuit and opens, standby electricity
Source access communications circuit.
6. control method according to claim 5, which is characterized in that further include:
After power-on of air conditioner booting, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;
If can, it is spaced communication letter of the machine telecommunication circuit within the first threshold time inside and outside the primary air-conditioning of predetermined time detection
Number packet loss;
Judge whether the packet loss is greater than second threshold;
If more than the normally closed switch for then controlling stand-by power supply circuit is opened, backup power source access communications circuit.
7. control method according to claim 5, which is characterized in that further include:
After the normally closed switch is opened, can detect the communication equipment inside and outside air-conditioning in machine telecommunication circuit be communicated;If cannot, into
Row fault alarm.
8. a kind of air-conditioning characterized by comprising machine telecommunication circuit inside and outside the described in any item air-conditionings of claim 1-4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811408797.3A CN109539513A (en) | 2018-11-23 | 2018-11-23 | Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811408797.3A CN109539513A (en) | 2018-11-23 | 2018-11-23 | Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning |
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Publication Number | Publication Date |
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CN109539513A true CN109539513A (en) | 2019-03-29 |
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CN201811408797.3A Pending CN109539513A (en) | 2018-11-23 | 2018-11-23 | Machine telecommunication circuit and its control method and a kind of air-conditioning inside and outside a kind of air-conditioning |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110854951A (en) * | 2019-11-12 | 2020-02-28 | 珠海格力电器股份有限公司 | Power supply system for high-power air conditioner wire controller, air conditioner and power supply method |
WO2020228136A1 (en) * | 2019-05-10 | 2020-11-19 | 广东美的制冷设备有限公司 | Air conditioner and communication control method therefor, device, and electronic apparatus |
WO2020228138A1 (en) * | 2019-05-10 | 2020-11-19 | 广东美的制冷设备有限公司 | Air conditioner and communication control method and apparatus therefor, and electronic device |
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JPH0784656A (en) * | 1992-05-29 | 1995-03-31 | Kokka O | Switching power supply for ac parallel control |
CN205541185U (en) * | 2016-04-28 | 2016-08-31 | 歌尔声学股份有限公司 | Automatic adjust doorbell of volume |
CN108278731A (en) * | 2018-01-02 | 2018-07-13 | 珠海格力电器股份有限公司 | Communicating circuit and its control method, storage medium and processor |
CN209415698U (en) * | 2018-11-23 | 2019-09-20 | 珠海格力电器股份有限公司 | Machine telecommunication circuit and a kind of air-conditioning inside and outside a kind of air-conditioning |
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2018
- 2018-11-23 CN CN201811408797.3A patent/CN109539513A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0784656A (en) * | 1992-05-29 | 1995-03-31 | Kokka O | Switching power supply for ac parallel control |
CN205541185U (en) * | 2016-04-28 | 2016-08-31 | 歌尔声学股份有限公司 | Automatic adjust doorbell of volume |
CN108278731A (en) * | 2018-01-02 | 2018-07-13 | 珠海格力电器股份有限公司 | Communicating circuit and its control method, storage medium and processor |
CN209415698U (en) * | 2018-11-23 | 2019-09-20 | 珠海格力电器股份有限公司 | Machine telecommunication circuit and a kind of air-conditioning inside and outside a kind of air-conditioning |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020228136A1 (en) * | 2019-05-10 | 2020-11-19 | 广东美的制冷设备有限公司 | Air conditioner and communication control method therefor, device, and electronic apparatus |
WO2020228138A1 (en) * | 2019-05-10 | 2020-11-19 | 广东美的制冷设备有限公司 | Air conditioner and communication control method and apparatus therefor, and electronic device |
CN110854951A (en) * | 2019-11-12 | 2020-02-28 | 珠海格力电器股份有限公司 | Power supply system for high-power air conditioner wire controller, air conditioner and power supply method |
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