CN106016582A - Air-conditioner fault self-examining method, tool and device - Google Patents
Air-conditioner fault self-examining method, tool and device Download PDFInfo
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- CN106016582A CN106016582A CN201610327014.3A CN201610327014A CN106016582A CN 106016582 A CN106016582 A CN 106016582A CN 201610327014 A CN201610327014 A CN 201610327014A CN 106016582 A CN106016582 A CN 106016582A
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- self
- data
- machine
- inspection
- air
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F11/30—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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Abstract
The invention discloses an air-conditioner fault self-examining method, tool and device. The method comprises the steps that the self-examining tool and an external unit and an internal unit of an air-conditioner are connected; after the air-conditioner is started, the external unit is actively in communication with the internal unit, and the self-examining tool enters in a monitoring mode to monitor the data transmitted between the external unit and the internal unit; the self-examining tool controls the external unit and the internal unit to enter in a self-examining mode according to the monitored data; the external unit and the internal unit enter the self-examining mode and output self-examining data; and if the self-examining tool monitors fault data, the self-examining tool displays fault information according to the fault data. According to the air-conditioner fault self-examining method, tool and device, the self-examining tool is used for conducting troubleshooting guide on faults, achieves air-conditioner fault self-examining, and can quickly and accurately determine the position and causes of the faults through monitoring data; and during air-conditioner after-sale maintenance, the tool can be connected easily, and the overcoming speed and quality of after-sale faults are improved.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioning fault self-checking side
Method, self-inspection frock and air-conditioning fault self-checking device.
Background technology
At present, if air-conditioning breaks down, maintainer is by inquiring, testing to determine fault
Position and failure cause, thus keep in repair.But, maintainer can not directly be searched and obtain
Take the details of fault, determine that the time that abort situation and failure cause are spent is longer, very
Difficult accurately failure judgement, it is impossible to keep in repair quickly and accurately.
Summary of the invention
Embodiments provide a kind of air-conditioning fault self-detection method, self-inspection frock and air-conditioning event
Barrier self-checking unit, at least to solve to be difficult in prior art determine air-conditioning fault rapidly and accurately also
The problem carrying out keeping in repair.
For achieving the above object, embodiments provide a kind of air-conditioning fault self-detection method,
Including: self-inspection frock is connected with outer machine and the interior machine of air-conditioning;After starting described air-conditioning, described
Outer owner is dynamic to be communicated with described interior machine, and described self-inspection frock enters monitoring pattern, monitors institute
State the data of transmission between outer machine and described interior machine;Described self-inspection frock is according to the data control monitored
Make described outer machine and described interior machine enters Auto-Sensing Mode;Described outer machine and described interior machine enter self-inspection
Pattern also exports self-inspection data;If described self-inspection frock listens to fault data, described self-inspection
Frock shows fault message according to described fault data.
As preferably, described self-inspection frock enters monitoring pattern, monitors described outer machine interior with described
Between machine, the data of transmission include: described self-inspection frock judges whether to connect in the first Preset Time
Receive the communication data of described outer machine and described interior machine;If it is, described self-inspection frock continues prison
Listen the data of transmission between described outer machine and described interior machine;If it does not, the output of described self-inspection frock
Alarm, points out communication failures of indoor unit and outdoor unit.
As preferably, described self-inspection frock is according to outer machine described in the Data Control monitored and described interior
Machine enters Auto-Sensing Mode, including: described outer machine circulates to described interior machine in the first Preset Time
Send outer machine data and self-inspection controls data;Described interior machine is machine data in described outer machine sends;
If machine enters Auto-Sensing Mode in described self-inspection controls data demand, described interior machine enters self-inspection mould
Formula, and machine self-inspection data in described outer machine sends, the most described outer machine and described interior machine all enter
Entering Auto-Sensing Mode, described self-inspection frock keeps monitoring pattern;If described self-inspection controls data not
In requiring, machine enters Auto-Sensing Mode, and described self-inspection frock is entered sending mode by monitoring pattern, to
Described outer machine sends frock data, after being sent completely, goes back to monitoring pattern;Described outer machine receives
After described frock data, enter Auto-Sensing Mode and described frock data be transmitted to described interior machine,
So that described interior machine enters Auto-Sensing Mode, wherein said frock data demand air-conditioning enters self-inspection mould
Formula, described air-conditioning no longer performs the order of air-conditioning remote control after entering Auto-Sensing Mode.
As preferably, described outer machine enters Auto-Sensing Mode and exports self-inspection data, including: described
After outer machine enters Auto-Sensing Mode, detect ambient temperature;If described ambient temperature is little
In the first preset temperature, described outer machine runs according to heating mode, and carries out in a heating mode
The judgement of fault;If described ambient temperature is more than the second preset temperature, described outer machine is pressed
Run according to refrigeration mode, and carry out the judgement of fault in cooling mode.
As preferably, described interior machine enters Auto-Sensing Mode and exports self-inspection data, including: described
After interior machine enters Auto-Sensing Mode, open wind deflector, open inner blower and run, the institute of machine in self-inspection
There is load the most faulty, and fault message is stored in interior machine self-inspection data, simultaneously will storage
Described interior machine fault message of preset times in the second Preset Time be stored in described interior machine self-inspection
Data;Described interior machine self-inspection data are sent to described outer machine by described interior machine.
As preferably, described fault message includes following three classes: real time fail, historical failure and
Running state of air conditioner, wherein said real time fail and described historical failure all include: defect content
And repair prompt.
According to a further aspect in the invention, it is provided that a kind of self-inspection frock, it is applied to air-conditioning fault
Self-inspection, described self-inspection frock includes: the first electrical switch, the second electrical switch, data decryptor
Circuit, data transmit circuit, channel selecting chip, Master control chip and display unit;Described
Channel selecting chip, is connected to described Master control chip, described data monitoring circuit and described number
According to transtation mission circuit, it is used for selecting described data decryptor circuit or described data transmit circuit with described
Master control chip connects;Described display unit is connected to described Master control chip, is used for showing event
Barrier information;Described data monitoring circuit, is additionally coupled to described first electrical switch, for sky
The data adjusting between outer machine and interior machine transmission are monitored, and control described interior machine and enter with outer machine
Enter Auto-Sensing Mode;Described data transmit circuit, is additionally coupled to described second electrical switch, is used for
Sending frock data to described outer machine, wherein, described frock data demand air-conditioning enters self-inspection mould
Formula;Described first electrical switch be additionally coupled to described Master control chip, described outer machine and described in
Machine, for controlling the break-make of described data decryptor circuit and described air-conditioning;Described second electronic cutting
Pass is additionally coupled to described Master control chip, described outer machine and described interior machine, is used for controlling described number
Break-make according to transtation mission circuit Yu described air-conditioning.
As preferably, described data decryptor circuit includes: the first solid-state relay control module,
First solid-state relay and the first link control module;Described first solid-state relay is connected to institute
State the first link control module, described first solid-state relay control module and described air-conditioning
String line;Described first solid-state relay control module is for high by the level of this control module
The break-make of described first solid-state relay of low control, to control whether described data decryptor circuit connects
Enter the communication line of described outer machine and described interior machine;Described first link control module is connected to institute
State the zero line of air-conditioning and described channel selecting chip, for being changed by described channel selecting chip
Voltage between serial port and zero line port, it is achieved data decryptor.
As preferably, described data transmit circuit includes: the second solid-state relay control module,
Second solid-state relay and the second link control module;Described second solid-state relay is connected to institute
State the second link control module, described second solid-state relay control module and described air-conditioning
Zero line;Described second solid-state relay control module is for by the level height of this control module
Control the break-make of described second solid-state relay, to control whether described data transmit circuit accesses
Described outer machine and the communication line of described interior machine;Described second link control module is connected to described
The string line of air-conditioning and described channel selecting chip, for changing by described channel selecting chip
Voltage between serial port and zero line port, enables outer machine and interior machine to receive described self-inspection
The data that frock sends.
According to another aspect of the invention, it is provided that a kind of air-conditioning fault self-checking device, including:
Outdoor machine of air-conditioner, air-conditioning internal machine and the self-inspection frock described in any of the above-described item;Described self-inspection frock
It is connected with described outdoor machine of air-conditioner and described air-conditioning internal machine;Described self-inspection frock, is used for monitoring described
The data of transmission between outdoor machine of air-conditioner and described air-conditioning internal machine, and according to the Data Control institute monitored
State outdoor machine of air-conditioner and described air-conditioning internal machine enters Auto-Sensing Mode;If listening to fault data, root
Fault message is shown according to described fault data;Described outdoor machine of air-conditioner, for starting described air-conditioning
After, actively communicate with described air-conditioning internal machine, and enter under the control of described self-inspection frock
Enter Auto-Sensing Mode and export self-inspection data;Described air-conditioning internal machine, for entering with described outdoor machine of air-conditioner
Row communication, and under the control of described self-inspection frock, enter Auto-Sensing Mode and export self-inspection data.
Application technical scheme, utilizes self-inspection frock that fault carries out investigation and guides, real
Show air-conditioning fault self-checking, abort situation and former can have been determined rapidly and accurately by monitored data
Cause, and when air-conditioning overhauls after sale, connecting tooling is relatively easy to, and improves the solution speed of fault after sale
Degree and quality.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become limitation of the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the air-conditioning fault self-detection method of the embodiment of the present invention;
Fig. 2 is the structural representation of the self-inspection frock of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the data decryptor circuit of the embodiment of the present invention;
Fig. 4 is the schematic diagram of the data transmit circuit of the embodiment of the present invention;
Fig. 5 is the display schematic diagram of the fault message of the embodiment of the present invention;
Fig. 6 is concrete fault and the display schematic diagram of repair prompt of the embodiment of the present invention;
Fig. 7 is the display schematic diagram of the running state of air conditioner of the embodiment of the present invention.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not makees
For limitation of the invention.
Embodiments providing a kind of air-conditioning fault self-detection method, Fig. 1 is that the present invention implements
The flow chart of the air-conditioning fault self-detection method of example, as it is shown in figure 1, the method includes:
Step S101, is connected self-inspection frock with outer machine and the interior machine of air-conditioning.Concrete, self-inspection
Frock can be by being attempted by the L line (live wire) of internal-external machine, N line (zero line), COM line (string
Line) it is connected with air-conditioning internal-external machine.
Step S102, after starting air-conditioning, outer owner is dynamic to be communicated with interior machine, and self-inspection frock is entered
Enter monitoring pattern, monitor the data of transmission between outer machine and interior machine.
Step S103, self-inspection frock enters self-inspection mould according to the outer machine of the Data Control monitored and interior machine
Formula.
Step S104, outer machine and interior machine enter Auto-Sensing Mode and export self-inspection data.
Step S105, if self-inspection frock listens to fault data, self-inspection frock is according to number of faults
According to display fault message.Concrete, can be analyzed fault data processing, obtain fault
Information.Fault message includes following three classes: real time fail, historical failure and running state of air conditioner,
Real time fail and historical failure all include: defect content and repair prompt.For example, it is possible to pass through
Button selects display defect content, repair prompt, running state of air conditioner etc..
By above-described embodiment, utilize self-inspection frock that fault carries out investigation and guide, it is achieved that be empty
Adjust fault self-checking, abort situation and reason can be determined rapidly and accurately by monitored data, and
When air-conditioning overhauls after sale, connecting tooling is relatively easy to, and improves solution speed and the matter of fault after sale
Amount.
In step S102, self-inspection frock enters monitoring pattern, monitors transmission between outer machine and interior machine
Data, may include that self-inspection frock to judge whether in the first Preset Time to receive outer machine with
The communication data (packet such as A0, A1, B0, B1, C1 of such as, being subsequently noted) of interior machine;
If it is, self-inspection frock continues to monitor the data of transmission between outer machine and interior machine;If it does not, from
Inspection frock output alarm, points out communication failures of indoor unit and outdoor unit.Wherein, the first Preset Time can root
Arrange voluntarily according to being actually needed, such as, 3 minutes.The present embodiment can judge internal-external machine in time
Communication failure, to place under repair in time.
In one embodiment, step S103 self-inspection frock according to the outer machine of the Data Control monitored and
Interior machine enters Auto-Sensing Mode, may include that the inside machine circulation in the first Preset Time of outer machine is sent out
Outer machine data and self-inspection is sent to control data;The outside machine of interior machine sends interior machine data;If from prosecution
In data demand processed, machine enters Auto-Sensing Mode, and interior machine enters Auto-Sensing Mode, and outwards machine sends interior
Machine self-inspection data, outer machine and interior machine all enter Auto-Sensing Mode, and self-inspection frock keeps monitoring mould
Formula;If machine enters Auto-Sensing Mode in self-inspection controls data failed call, self-inspection frock is by monitoring mould
Formula enters sending mode, and outside machine sends frock data, after being sent completely, goes back to monitoring pattern;
After outer machine receives frock data, enter Auto-Sensing Mode and frock data are transmitted to interior machine, with
Making interior machine enter Auto-Sensing Mode, wherein frock data demand air-conditioning enters Auto-Sensing Mode, and air-conditioning enters
The order of air-conditioning remote control is no longer performed after entering Auto-Sensing Mode.This first Preset Time can basis
It is actually needed and arranges voluntarily, such as, 3 minutes.
Below each data of epimere are illustrated.
Outer machine data can represent with A0, A1, and interior machine data can represent with B0, B1, tool
Internal appearance be air-conditioning properly functioning time the exchange of the data such as internal-external machine state, order.
Self-inspection controls data and can represent with C0, and particular content includes: outer machine state, to self-inspection
Frock asks outer machine to enter Auto-Sensing Mode, control interior machine entrance Auto-Sensing Mode.
Interior machine self-inspection data can represent with C1, and particular content includes: interior machine state.
Frock data can represent with C2, and particular content includes: controls outer machine and enters Auto-Sensing Mode.
After air-conditioning connects self-inspection frock, power on remote-controlled start-up, and outdoor machine of air-conditioner is main frame, and main frame obtains
Actively initiating to communicate with interior machine after electricity, after self-inspection frock powers on, acquiescence enters monitoring pattern, monitors
Internal-external machine data.In first 3 minutes of normal data exchange, main frame cycles through A0, A1, C0
Packet.For A0, A1 packet, interior machine responds corresponding data bag B0, B1.For
C0 packet, if the information in C0 packet does not require that interior machine enters Auto-Sensing Mode, then interior
Machine is not responded, and self-inspection frock simultaneously transfers sending mode, set C2 packet to from monitoring pattern
In requirement air-conditioning enter Auto-Sensing Mode flag bit, and C2 packet is sent to main frame, sends
Monitoring pattern is gone back to after completing.If machine enters Auto-Sensing Mode in the information requirements in C0 packet,
Interior machine enters Auto-Sensing Mode and responds C1 packet, and now internal-external machine all enters Auto-Sensing Mode,
Self-inspection frock simultaneously keeps monitoring pattern, does not responds.In normal data exchange first 3 minutes
After end, i.e. internal-external machine all enters Auto-Sensing Mode, and main frame cycles through A0, A1 packet,
Air-conditioning proceeds to properly functioning, and self-inspection frock is monitored data failure judgement during operation of air conditioner.
The present embodiment realizes air-conditioning internal-external machine by transmission data and monitored data and enters self-inspection mould
Formula, method is simple and reliable.
The outer machine of step S104 enters Auto-Sensing Mode and exports self-inspection data and may include that outer machine enters
After Auto-Sensing Mode, detect ambient temperature;If ambient temperature presets temperature less than first
Degree (such as 20 DEG C), outer machine runs according to heating mode, and carries out fault in a heating mode
Judge;If ambient temperature is more than the second preset temperature (such as 22 DEG C), outer machine is according to system
Cold mode operation, and carry out the judgement of fault in cooling mode.The present embodiment is in different works
All can carry out the judgement of fault under operation mode, self-detection result is more comprehensive.
In step S104, machine enters Auto-Sensing Mode and exports self-inspection data and may include that interior machine enters
After Auto-Sensing Mode, interior machine is currently at any state, all opens wind deflector, opens endogenous wind
Machine runs, and in self-inspection, all loads of machine are the most faulty, and fault message is stored in interior machine certainly
In inspection data, simultaneously by interior machine fault message of preset times in the second Preset Time of storage
It is stored in interior machine self-inspection data;Interior machine self-inspection data are sent to outer machine by interior machine.Wherein, second is pre-
If time and preset times all can sets itself as required, such as, the second Preset Time can
To be nearest one month, preset times can be 8 times.The present embodiment will meet pre-conditioned
Fault message be sent to outer machine, can be as reference, it is simple to provide repair prompt.
The embodiment of the present invention additionally provides a kind of self-inspection frock, is applied to air-conditioning fault self-checking, by
The principle solving problem in this self-inspection frock is similar to said method, the therefore reality of this self-inspection frock
Execute the enforcement that may refer to said method, repeat no more in place of repetition.Used below, art
Language " unit " or " module " can realize the software of predetermined function and/or the combination of hardware.
Although the system described by following example preferably realizes with software, but hardware, or
The realization of the combination of software and hardware also may and be contemplated.
As in figure 2 it is shown, this self-inspection frock includes: first electrical switch the 10, second electrical switch
20, data decryptor circuit 30, data transmit circuit 40, channel selecting chip 50, master control coremaking
Sheet 60 and display unit 70.Electrical switch can be solid-state relay.
Channel selecting chip 50, is connected to Master control chip 60, data monitoring circuit 30 sum
According to transtation mission circuit 40, it is used for selecting data decryptor circuit 30 or data transmit circuit 40 and master control
Coremaking sheet 60 connects;Channel selecting chip can use CD4052B chip.
Display unit 70 is connected to Master control chip 60, is used for showing fault message.
Data monitoring circuit 30, is additionally coupled to the first electrical switch 10, for outdoor machine of air-conditioner with
Between interior machine, the data of transmission are monitored, and control interior machine and outer machine entrance Auto-Sensing Mode.
Data transmit circuit 40, is additionally coupled to the second electrical switch 20, sends work for outside machine
Dress data, wherein, frock data demand air-conditioning enters Auto-Sensing Mode.
First electrical switch 10 is additionally coupled to Master control chip 60, outer machine and interior machine, is used for controlling
Data decryptor circuit 30 and the break-make of air-conditioning.
Second electrical switch 20 is additionally coupled to Master control chip 60, outer machine and interior machine, is used for controlling
Data transmit circuit 40 and the break-make of air-conditioning.
By above-described embodiment, utilize self-inspection frock that fault carries out investigation and guide, it is achieved that be empty
Adjust fault self-checking, abort situation and reason can be determined rapidly and accurately by monitored data, and
When air-conditioning overhauls after sale, connecting tooling is relatively easy to, and improves solution speed and the matter of fault after sale
Amount.
After self-inspection frock powers on, acquiescence enters monitoring pattern, now opens the first electrical switch
10, selector channel is that data decryptor circuit 30 connects with Master control chip 60.Outside receiving
C0 packet and the flag bit of this packet that machine sends do not require that interior machine enters Auto-Sensing Mode
Time, self-inspection frock is closed the first electrical switch 10, is opened the second electrical switch 20 simultaneously, will lead to
Road is chosen as data transmit circuit 40 and connects with Master control chip 60, and now self-inspection frock sends
C2 packet requires to the flag bit in outer machine, and C2 packet, and air-conditioning enters Auto-Sensing Mode.
Data decryptor circuit 30, data transmit circuit 40 and air-conditioning COM line, the connection of N line
With disconnection, by Master control chip 60, channel selecting chip 50 and electrical switch foremost 10,
20 common combinations determine.
Data decryptor circuit 30 may include that the first solid-state relay control module, the first solid-state
Relay and the first link control module.First solid-state relay is connected to the first connection and controls mould
Block, the first solid-state relay control module and the string line of air-conditioning;First solid-state relay control
Molding block is used for the level height by this control module and controls the break-make of the first solid-state relay,
To control whether data decryptor circuit accesses the communication line of outer machine and interior machine;First connects control
Module is connected to zero line and the channel selecting chip of air-conditioning, for being changed by channel selecting chip
Voltage between serial port and zero line port, it is achieved data decryptor.
Below in conjunction with Fig. 3, data monitoring circuit 30 is illustrated.
Fig. 3 is the schematic diagram of the data decryptor circuit of the embodiment of the present invention, as it is shown on figure 3, logical
Cross solid-state relay and control the state control solid-state relay break-make of end, thus control data decryptor
Whether circuit 30 accesses the communicating circuit of internal-external machine.When self-inspection frock receives external data, data
It is high level that monitoring circuit 30 access the communicating circuit of internal-external machine, i.e. solid-state relay to control end,
When self-inspection frock externally sends data, data decryptor circuit 30 does not access the communicating circuit of internal-external machine,
I.e. solid-state relay controls end is low level.
Change in voltage between N end and COM end controls audion 2 by three operational amplifiers
Break-make, thus control the break-make of optocoupler, control finally by channel selecting chip CD4052B
The level change of serial ports RXD (such as, arranges the control port of CD4052B: A for high electricity
Flat, B is low level), thus realize monitoring internal-external machine data.
Data transmit circuit 40 may include that the second solid-state relay control module, the second solid-state
Relay and the second link control module.Second solid-state relay is connected to the second connection and controls mould
Block, the second solid-state relay control module and the zero line of air-conditioning;Second solid-state relay controls
Module is used for the level height by this control module and controls the break-make of the second solid-state relay, with
Control whether data transmit circuit accesses the communication line of outer machine and interior machine;Second connects control mould
Block is connected to string line and the channel selecting chip of air-conditioning, for being changed by channel selecting chip
Voltage between serial port and zero line port, enables outer machine and interior machine to receive self-inspection frock
The data sent.
Below in conjunction with Fig. 4, data transmit circuit 40 is illustrated.
Fig. 4 is the schematic diagram of the data transmit circuit of the embodiment of the present invention, as shown in Figure 4, logical
Cross solid-state relay and control the state control solid-state relay break-make of end, control data transmit circuit
40 communicating circuits whether accessing internal-external machine.When self-inspection frock externally sends data, data send
It is high level that circuit 40 access the communicating circuit of internal-external machine, i.e. solid-state relay to control end, self-inspection
When frock receives external data, data transmit circuit 40 does not access the communicating circuit of internal-external machine, i.e.
It is low level that solid-state relay controls end.
Arranging the control port of channel selecting chip CD4052B, such as: A is low level, B is
High level, makes the level change of TXD end can have influence on the break-make of audion 2, when optocoupler leads to
Time, resistance R2 does not access circuit, and when optocoupler is obstructed, resistance R2 accesses circuit, by changing
Power transformation resistance R2 access with do not access, change N and COM end between voltage, make internal-external machine
The data that self-inspection frock sends can be received.
The embodiment of the present invention additionally provides a kind of air-conditioning fault self-checking device, and this device includes: empty
Adjust outer machine, air-conditioning internal machine and the self-inspection frock described by above-described embodiment.Self-inspection frock is with empty
Outer machine and air-conditioning internal machine is adjusted to connect;Self-inspection frock, be used for monitoring outdoor machine of air-conditioner and air-conditioning internal machine it
Between transmission data, and according to monitor Data Control outdoor machine of air-conditioner and air-conditioning internal machine enter self-inspection
Pattern;If listening to fault data, show fault message according to fault data;Outdoor machine of air-conditioner,
For after starting air-conditioning, actively communicate with air-conditioning internal machine, and the control in self-inspection frock
System is lower to be entered Auto-Sensing Mode and exports self-inspection data;Air-conditioning internal machine, for carrying out with outdoor machine of air-conditioner
Communication, and under the control of self-inspection frock, enter Auto-Sensing Mode and export self-inspection data.
As it is shown in figure 5, fault message can be shown on a display screen: the event of real time fail, history
Barrier and running state of air conditioner.If maintainer selects real time fail, as shown in Figure 6, the most aobvious
Showing concrete fault and repair prompt, such as, concrete fault is that blower fan line gets loose, and repair prompt is
It is seated blower fan line.If maintainer selects running state of air conditioner, show the most as shown in Figure 7
Show.
In sum, in the air-conditioning fault self-checking scheme of the embodiment of the present invention, air-conditioning and self-inspection work
Putting into row communication, self-inspection frock sends self-inspection order, and air-conditioning enters Auto-Sensing Mode, self-inspection frock
Monitoring self-inspection data, after listening to fault data, data are analyzed by self-inspection frock
After process, display troubleshooting is guided.Utilize self-inspection frock that fault carries out investigation to guide, real
Show air-conditioning fault self-checking, abort situation and former can have been determined rapidly and accurately by monitored data
Cause, and when air-conditioning overhauls after sale, connecting tooling is relatively easy to, and improves the solution speed of fault after sale
Degree and quality.
In the description of this specification, reference term " embodiment ", " some embodiments ", " show
Example ", the description of " concrete example " or " some examples " etc. means to combine this embodiment or example is retouched
Specific features, structure, material or the feature stated is contained at least one embodiment of the present invention
Or in example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to phase
Same embodiment or example.And, the specific features of description, structure, material or feature can
To combine in an appropriate manner in any one or more embodiments or example.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that, and this technology is led
For the those of ordinary skill in territory, on the premise of without departing from its general principles, it is also possible to
Making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. an air-conditioning fault self-detection method, it is characterised in that including:
Self-inspection frock is connected with outer machine and the interior machine of air-conditioning;
After starting described air-conditioning, described outer owner is dynamic to be communicated with described interior machine, described self-inspection
Frock enters monitoring pattern, monitors the data of transmission between described outer machine and described interior machine;
Described self-inspection frock enters self-inspection according to outer machine described in the Data Control monitored and described interior machine
Pattern;
Described outer machine and described interior machine enter Auto-Sensing Mode and export self-inspection data;
If described self-inspection frock listens to fault data, described self-inspection frock is according to described fault
Data display fault message.
Method the most according to claim 1, it is characterised in that described self-inspection frock enters prison
Listen pattern, monitor the data of transmission between described outer machine and described interior machine and include:
Described self-inspection frock judges whether to receive described outer machine in the first Preset Time with described
The communication data of interior machine;
If it is, described self-inspection frock continues to monitor transmission between described outer machine and described interior machine
Data;
If it does not, the output alarm of described self-inspection frock, point out communication failures of indoor unit and outdoor unit.
Method the most according to claim 1, it is characterised in that described self-inspection frock is according to prison
Outer machine described in the Data Control listened and described interior machine enter Auto-Sensing Mode, including:
Described outer machine cycles through outer machine data and self-inspection to described interior machine in the first Preset Time
Control data;
Described interior machine is machine data in described outer machine sends;
If machine enters Auto-Sensing Mode in described self-inspection controls data demand, described interior machine enters certainly
Inspection pattern, and machine self-inspection data, the most described outer machine and described interior machine in described outer machine sends
All entering Auto-Sensing Mode, described self-inspection frock keeps monitoring pattern;
If machine enters Auto-Sensing Mode, described self-inspection frock in described self-inspection controls data failed call
Entered sending mode by the pattern of monitoring, send frock data to described outer machine, after being sent completely,
Go back to monitoring pattern;After described outer machine receives described frock data, entrance Auto-Sensing Mode also will
Described frock data are transmitted to described interior machine, so that described interior machine enters Auto-Sensing Mode, Qi Zhongsuo
Stating frock data demand air-conditioning and enter Auto-Sensing Mode, described air-conditioning is no longer held after entering Auto-Sensing Mode
The order of row air-conditioning remote control.
Method the most according to claim 1, it is characterised in that described outer machine enters self-inspection mould
Formula also exports self-inspection data, including:
After described outer machine enters Auto-Sensing Mode, detect ambient temperature;
If described ambient temperature is less than the first preset temperature, described outer machine is according to heating mould
Formula is run, and carries out the judgement of fault in a heating mode;
If described ambient temperature is more than the second preset temperature, described outer machine is according to refrigeration mould
Formula is run, and carries out the judgement of fault in cooling mode.
Method the most according to claim 1, it is characterised in that described interior machine enters self-inspection mould
Formula also exports self-inspection data, including:
After described interior machine enters Auto-Sensing Mode, open wind deflector, open inner blower and run, self-inspection
All loads of interior machine are the most faulty, and are stored in by fault message in interior machine self-inspection data, with
In time, be stored in described by described interior machine fault message of preset times in the second Preset Time of storage
Interior machine self-inspection data;
Described interior machine self-inspection data are sent to described outer machine by described interior machine.
Method the most according to any one of claim 1 to 5, it is characterised in that described event
Barrier information includes following three classes: real time fail, historical failure and running state of air conditioner, Qi Zhongsuo
State real time fail and described historical failure all includes: defect content and repair prompt.
7. a self-inspection frock, is applied to air-conditioning fault self-checking, it is characterised in that described self-inspection work
Dress includes: the first electrical switch, the second electrical switch, data decryptor circuit, data send electricity
Road, channel selecting chip, Master control chip and display unit;
Described channel selecting chip, is connected to described Master control chip, described data monitoring circuit
With described data transmit circuit, it is used for selecting described data decryptor circuit or described data to send electricity
Road connects with described Master control chip;
Described display unit is connected to described Master control chip, is used for showing fault message;
Described data monitoring circuit, is additionally coupled to described first electrical switch, outside to air-conditioning
Between machine and interior machine, the data of transmission are monitored, and control described interior machine with the entrance of outer machine certainly
Inspection pattern;
Described data transmit circuit, is additionally coupled to described second electrical switch, for outside described
Machine sends frock data, and wherein, described frock data demand air-conditioning enters Auto-Sensing Mode;
Described first electrical switch be additionally coupled to described Master control chip, described outer machine and described in
Machine, for controlling the break-make of described data decryptor circuit and described air-conditioning;
Described second electrical switch be additionally coupled to described Master control chip, described outer machine and described in
Machine, for controlling the break-make of described data transmit circuit and described air-conditioning.
Self-inspection frock the most according to claim 7, it is characterised in that described data decryptor electricity
Road includes: the first solid-state relay control module, the first solid-state relay and first connect control
Module;
Described first solid-state relay is connected to described first link control module, described first solid
State relay control module and the string line of described air-conditioning;
Described first solid-state relay control module is for by the level height control of this control module
Make the break-make of described first solid-state relay, to control whether described data decryptor circuit accesses institute
State the communication line of outer machine and described interior machine;
Described first link control module is connected to the zero line of described air-conditioning and described channel selecting core
Sheet, for being changed the voltage between serial port and zero line port by described channel selecting chip,
Realize data decryptor.
Self-inspection frock the most according to claim 7, it is characterised in that described data send electricity
Road includes: the second solid-state relay control module, the second solid-state relay and second connect control
Module;
Described second solid-state relay is connected to described second link control module, described second solid
State relay control module and the zero line of described air-conditioning;
Described second solid-state relay control module is for by the level height control of this control module
Make the break-make of described second solid-state relay, to control whether described data transmit circuit accesses institute
State the communication line of outer machine and described interior machine;
Described second link control module is connected to the string line of described air-conditioning and described channel selecting
Chip, for changing the electricity between serial port and zero line port by described channel selecting chip
Pressure, enables outer machine and interior machine to receive the data that described self-inspection frock sends.
10. an air-conditioning fault self-checking device, it is characterised in that including: outdoor machine of air-conditioner, air-conditioning
Self-inspection frock according to any one of interior machine and claim 7 to 9;
Described self-inspection frock is connected with described outdoor machine of air-conditioner and described air-conditioning internal machine;
Described self-inspection frock, is used for monitoring between described outdoor machine of air-conditioner and described air-conditioning internal machine transmission
Data, and according to outdoor machine of air-conditioner and described air-conditioning internal machine described in the Data Control monitored enter from
Inspection pattern;If listening to fault data, show fault message according to described fault data;
Described outdoor machine of air-conditioner, for after starting described air-conditioning, actively enters with described air-conditioning internal machine
Row communication, and under the control of described self-inspection frock, enter Auto-Sensing Mode and export self-inspection data;
Described air-conditioning internal machine, for communicating with described outdoor machine of air-conditioner, and in described self-inspection
Enter Auto-Sensing Mode under the control of frock and export self-inspection data.
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