CN103062865B - Device and method for detecting communication quality of indoor unit and outdoor unit of air-conditioning unit - Google Patents
Device and method for detecting communication quality of indoor unit and outdoor unit of air-conditioning unit Download PDFInfo
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Abstract
The invention discloses a device and a method for detecting communication quality of an indoor unit and an outdoor unit of an air-conditioning unit. The device comprises a signal receiving module, a unit number setting module, a data storing module, a signal processing module and a display module, wherein the signal receiving module is connected to the signal processing module and is used for receiving communication signals of the indoor unit and the outdoor unit, converting communication signals and inputting communication signals to the signal processing module, the unit number setting module is connected to the signal processing module and is used for setting the number of indoor units, the data storing module is connected to the signal processing module and is used for storing data which are from the signal processing module, the signal processing module is used for analyzing the number of indoor units which are in normal communication each time and calculating the error rate, and the display module is connected to the signal processing module and is used for displaying the number of indoor units which are in normal communication and the error rate in real time. By the aid of the device, the communication condition of indoor units can be reflected in real time, the cause that the communication of units is unstable is determined, the communication quality can be reflected in real time, and the problem can be found out and solved timly.
Description
Technical field
The present invention relates to field of air conditioning, more specifically, relate to a kind of checkout gear and detection method thereof of air-conditioner set internal-external machine communication quality.
Background technology
Along with the development of technology, air-conditioner set is in order to reach more accurate control effects, and baud rate, the content of communication between off-premises station and indoor set all have greatly improved.Now communication robust seems just particularly important, and it is abnormal that the bad meeting of communication causes unit to operate, and serious words there will be Systematical control disorder.
Also do not have producer to release method and the device of the communication of detection homebus internal-external machine at present, just there is the outer machine apparatus communication detection device of release in some air-conditioning producer, and control principle invents complete difference therewith, and the contrive equipment of this producer is equivalent to simulation interior machine.
Current each air-conditioning producer is for the internal-external machine communication condition of multi-connected machine type, there is malfunction coefficient, but the maximum shortcoming of this malfunction coefficient is poor real, because multi-connected machine unit is in order to ensure the stability operated, often need when there is unit communication, continuous detection number minute, could confirm communication failure occurs, thus show.
Because internal-external machine communication failure appears in present multi-connected machine unit, confirm that the time of fault often needs several minutes, when engineering debug, if because of install the reasons such as bad, environmental disturbances, computer board damage cause communication unstable time, the failure code of communication unit can not reflect in time, but communication instability can cause unit to occur control disorder, occurs this situation, commissioning staff can be wasted and a large amount of time go to search reason.
Do not report communication failure to be as the criterion with unit during the foundation before assessed internal-external machine communication robust, this criterion condition is too loose, cannot Timeliness coverage problem, solves large interference source problem.
Based on foregoing description, need the checkout gear wanting a kind of air-conditioner set internal-external machine communication quality badly, by this device, the communication condition of machine in every platform can be reflected in real time, facilitate the determination of the unstable reason of communication, communication quality level can also be reflected in real time, Timeliness coverage problem, deals with problems.
Summary of the invention
Can not reflect in time for separating unit communication quality level in prior art, cannot the problem of Timeliness coverage fault, the object of the present invention is to provide a kind of checkout gear and detection method thereof of air-conditioner set internal-external machine communication quality, the communication condition of machine in every platform can be reflected in real time, facilitate the determination of the unstable reason of communication, can also reflect communication quality level in real time, Timeliness coverage problem, deals with problems.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A checkout gear for air-conditioner set internal-external machine communication quality, comprises with lower module:
Signal receiving module, this module is connected with signal processing module, for receiving internal-external machine communication signal, and communication signal is inputed to signal processing module after signal transforms;
Unit number of units setting module, this module is connected with signal processing module, for setting board number in unit;
Data memory module, this module is connected with signal processing module, for storing the data flowed into from signal processing module;
Signal processing module, for resolve each normal communication in real time in board number, interior machine real-time status, calculate the bit error rate, simultaneously after transmission processing information to display module;
Display module, this module is connected with signal processing module, by interior board number, interior machine real-time status and the bit error rate show in real time in real time.
As preferably, described display module adopts computer display information.
As preferably, described display module adopts digital pipe display circuit display information.
As preferably, described signal processing module selects MCU signal processor.
As preferably, described checkout gear is assemblied in one end of arbitrary interior machine or outer machine.
A detection method for air-conditioner set internal-external machine communication quality, comprises the following steps:
If step S10 needs board number in setting, unit number of units setting module is by board number in setting and be stored in data memory module by it, as the benchmark of the judgement communication bit error rate;
Step S20, signal receiving module receive communication information, if this time communication information reception completes, then perform step S30;
Step S30, signal processing module are resolved this communication information, calculate board number, interior machine real-time status in real time, and calculate the bit error rate;
The interior in real time board number that step S30 draws by step S40, display module, interior machine real-time status, the bit error rate show in real time.
As preferably, step S30 comprises the following steps:
Step S31, signal processing module calculate the interior in real time board number of this normal communication;
Step S32, judge this normal communication in real time in board number whether equal with the interior board number preset in data memory module, if equal, then perform step S34, otherwise, execution step S33;
Step S33, errors number to be added up, perform step S34 afterwards;
Step S34, the calculating communication bit error rate.
As preferably, further comprising the steps of between step S30 and step S40:
Judge whether communication number of times exceedes preset times N, if so, then the bit error rate is reset.
As preferably, described preset times N value is 50000.
As preferably, the content of described display module display also comprises baud rate.
Beneficial effect of the present invention is, because the checkout gear of air-conditioner set of the present invention can by resolving multi-connected machine unit internal-external machine communication data, know and often take turns the normal number of units of machine in communication, the number of units of mistake, calculate the bit error rate, and show in real time, so this device can reflect the communication condition of machine in every platform in real time, facilitate the determination of the unstable reason of communication.The failure code solving the communication unit existed in prior art can not reflect in time, and control disorder appears in the unit that communication instability causes, and wastes the problem that commissioning staff goes to search reason a large amount of time.Due to type newly developed, interference source and the old product type of unit change all to some extent, therefore the sexual needs of internal-external machine communication robust are reappraised, this checkout gear can realize reappraising of stability, communication quality level can be reflected in real time, Timeliness coverage problem, deals with problems, and designs more stable, reliable product.Because the data such as the number of units of machine in normal communication, the number of units of mistake and the bit error rate thereof can show from display, so can conveniently observe, easily find mistake.
Accompanying drawing explanation
Fig. 1 is the air-conditioner set line graph with checkout gear provided by the invention;
Fig. 2 is structure of the detecting device block diagram provided by the invention;
Fig. 3 is signal receiving module circuit diagram provided by the invention;
Fig. 4 is unit number of units setting module circuit diagram provided by the invention;
Fig. 5 is MCU central controller circuit diagram provided by the invention;
Fig. 6 is digital pipe display circuit figure provided by the invention;
Fig. 7 is Computer display software interface provided by the invention;
Fig. 8 is the overhaul flow chart of air-conditioner set internal-external machine communication quality provided by the invention.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below by detailed description of the invention.
Fig. 1 is the air-conditioner set line graph with checkout gear provided by the invention.As shown in Figure 1, this air-conditioner set comprises an off-premises station and multiple stage indoor set thereof, and multiple stage indoor set is connected with off-premises station respectively, can carry out communication between off-premises station and indoor set.Also comprise a checkout gear, described checkout gear according to the convenience of reality debugging, can be assemblied in the PQ bus place of arbitrary indoor set or off-premises station.Checkout gear can gather the communication information between air-conditioner set internal-external machine, and parses unit information, calculates the information such as the bit error rate, baud rate, shows in real time finally by display module.
Fig. 2 is structure of the detecting device block diagram provided by the invention.As shown in Figure 2, the checkout gear of this kind of air-conditioner set internal-external machine communication quality, comprises with lower module:
Signal receiving module, this module is connected with signal processing module, for receiving internal-external machine communication signal, and communication signal is inputed to signal processing module after signal transforms.
Unit number of units setting module, this module is connected with signal processing module, for setting board number in unit.
Data memory module, this module is connected with signal processing module, for storing the data flowed into from signal processing module.
Signal processing module, for resolve each normal communication in real time in board number, interior machine real-time status, calculate the bit error rate, simultaneously after transmission processing information to display module.
Display module, this module is connected with signal processing module, by interior board number, interior machine real-time status and the bit error rate show in real time in real time.
Below the circuit diagram of each module is introduced respectively.
Fig. 3 is signal receiving module circuit diagram provided by the invention.This loop receives internal-external machine communication signal from homebus bus, is then converted into TTL signal, inputs to signal processing module.TTL signal is logical signal, and TTL waveform is square, has the characteristic such as very strong load capacity and desirable waveform.
Fig. 4 is unit number of units setting module circuit diagram provided by the invention, and this circuit, for testing the interior board number of front setting unit, provides a benchmark number of units of testing interior machine.
Fig. 5 is MCU central controller circuit diagram provided by the invention, in the present invention, signal processing module selects MCU central controller, and the operation principle of MCU central controller is: the information such as state of the interior board number of normal communication and plane No., environment temperature, liquid pipe and tracheae temperature, specific function setting is often taken turns in responsible process.Afterwards according to the normal communication number of units parsed, be stored in machine benchmark number of units in data memory module in advance in combination, calculate the bit error rate, the baud rate due to each air-conditioner set is certain, so baud rate need not all calculate at every turn.
Described display module can adopt digital pipe display circuit to show information, and computer display also can be adopted to show information.Fig. 6 is digital pipe display circuit figure provided by the invention.Operation principle is: control signal is sent to display module by MCU control unit, and display module carries out the real-time display of the information such as real-time interior board number, interior machine real-time status, the bit error rate, baud rate.
Fig. 7 is Computer display software interface provided by the invention, and Computer display module is also referred to as PC display module.MCU control unit and PC display module realize exchanges data, the information such as interior board number, interior machine real-time status, the bit error rate, baud rate can be presented on computer screen by PC by PC display module in real time, as shown in Figure 7, data storage can be carried out for the information received simultaneously, be convenient to data analysis.
Fig. 8 is the overhaul flow chart of air-conditioner set internal-external machine communication quality provided by the invention.Concrete, the detection method of this kind of air-conditioner set internal-external machine communication quality, comprises the following steps:
If step S10 needs board number in setting, unit number of units setting module is by board number in setting and be stored in data memory module by it, as the benchmark of the judgement communication bit error rate.General when bringing into use this air-conditioner set, just need board number in setting, neither need when all the other time uses to set interior board number.If do not need to set interior board number, then directly perform step S20.
Step S20, signal receiving module receive communication information, and carry out judging whether to receive this communication information, if this time communication information reception completes, then perform step S30, otherwise continue to receive this communication information.
Step S30, signal processing module are resolved this communication information, calculate the interior in real time board number of normal communication, and calculate the bit error rate.Also to be responsible in addition processing often take turns normal communication in real time in board number and plane No., environment temperature, liquid pipe and tracheae temperature, specific function setting the information such as state.
The information such as interior board number, interior machine real-time status, the bit error rate and baud rate in real time that step S30 draws by step S40, display module show in real time.
Concrete, step S30 comprises the following steps:
Step S31, signal processing module calculate the interior in real time board number of this normal communication.
Step S32, judge this normal communication in real time in board number whether equal with the interior board number preset in data memory module, if equal, then perform step S34, otherwise, execution step S33.
Step S33, errors number to be added up, perform step S34 afterwards.
Step S34, the calculating communication bit error rate.The computational methods of the bit error rate are: use the interior board number of miscommunication as molecule, total communication number of times is as denominator, and both business are the bit error rate.
Further comprising the steps of between step S30 and step S40:
Judge whether communication number of times exceedes preset times N, if so, then by the bit error rate reset, and rush on display module reset after the bit error rate show, otherwise, directly the bit error rate is shown.
In the present embodiment, as a kind of preferred version, described preset times N value is 50000.Certainly other positive integer value outside 50000 can also be got.
In the present embodiment, also internal-external machine communication quality and the various communication form of internal-external machine are resolved, evaluate according to analysis result.The content of analyzing and evaluating is mainly concerned with between internal-external machine communication, outer machine, line control machine communication, Centralized Controller communication, various communication modes, such as 485 communication modes, homebus communication modes etc., all belong within protection domain.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (5)
1. a detection method for air-conditioner set internal-external machine communication quality, is characterized in that, comprises the following steps:
If step S10 needs board number in setting, unit number of units setting module is by board number in setting and be stored in data memory module by it, as the benchmark of the judgement communication bit error rate;
Step S20, signal receiving module receive communication information, if this time communication information reception completes, then perform step S30;
Step S30, signal processing module are resolved this communication information, calculate board number, interior machine real-time status in real time, and calculate the bit error rate;
The interior in real time board number that step S30 draws by step S40, display module, interior machine real-time status, the bit error rate show in real time.
2. the detection method of air-conditioner set internal-external machine communication quality according to claim 1, it is characterized in that, step S30 comprises the following steps:
Step S31, signal processing module calculate the interior in real time board number of this normal communication;
Step S32, judge this normal communication in real time in board number whether equal with the interior board number preset in data memory module, if equal, then perform step S34, otherwise, execution step S33;
Step S33, errors number to be added up, perform step S34 afterwards;
Step S34, the calculating communication bit error rate.
3. the detection method of air-conditioner set internal-external machine communication quality according to claim 1, is characterized in that, further comprising the steps of between step S30 and step S40:
Judge whether communication number of times exceedes preset times N, if so, then the bit error rate is reset.
4. the detection method of air-conditioner set internal-external machine communication quality according to claim 3, is characterized in that: described preset times N value is 50000.
5. the detection method of the air-conditioner set internal-external machine communication quality according to any one of Claims 1-4, is characterized in that: the content of described display module display also comprises baud rate.
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| CN201210583281.9A CN103062865B (en) | 2012-12-28 | 2012-12-28 | Device and method for detecting communication quality of indoor unit and outdoor unit of air-conditioning unit |
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Families Citing this family (8)
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| CN104296330B (en) * | 2013-07-19 | 2017-05-03 | 青岛海尔空调电子有限公司 | Air conditioning outdoor unit, method for adjusting communication line impedance and air conditioning unit system |
| CN105091201A (en) * | 2014-05-15 | 2015-11-25 | 广东美的暖通设备有限公司 | Multi-connected air conditioner system and control method thereof |
| CN105376106B (en) * | 2014-08-29 | 2019-02-05 | 青岛海尔空调电子有限公司 | Determine the device and method of air-conditioning computer plate communication performance |
| CN108632109B (en) * | 2018-03-09 | 2020-11-10 | 珠海格力电器股份有限公司 | Network communication quality obtaining method, device and system |
| CN112181708B (en) * | 2020-08-28 | 2022-04-15 | 珠海格力电器股份有限公司 | Method and device for controlling load based on frequency converter error code rate |
| CN112443951A (en) * | 2020-11-30 | 2021-03-05 | 佛山市顺德区美的电子科技有限公司 | Anti-interference control method and device, storage medium, air conditioner and communication circuit |
| CN112944569A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔空调电子有限公司 | Air conditioner communication method capable of automatically changing wireless communication channel |
| CN114216221B (en) * | 2021-12-20 | 2023-06-02 | 宁波奥克斯电气股份有限公司 | Detection method and device for multi-split air conditioner, multi-split air conditioner and storage medium |
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