CN106369765B - A kind of fresh air system fault judgment method and warning system - Google Patents
A kind of fresh air system fault judgment method and warning system Download PDFInfo
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- CN106369765B CN106369765B CN201610957650.4A CN201610957650A CN106369765B CN 106369765 B CN106369765 B CN 106369765B CN 201610957650 A CN201610957650 A CN 201610957650A CN 106369765 B CN106369765 B CN 106369765B
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Classifications
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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
- F24F11/62—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—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
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F11/65—Electronic processing for selecting an operating mode
Abstract
A kind of fresh air system fault judgment method of the application offer and fresh air system fault warning system, before method is by working as fresh air system compressor start, obtain the initial outer shroud temperature of fresh air system, initial inner tube temperature and initial exhaust gas temperature, after compressor start, obtain its current inner tube temperature, operating mode according to fresh air system selects the preset condition for carrying out breakdown judge, when the absolute value of the initial inner tube temperature and initial outer shroud temperature difference is less than first object value and above-mentioned parameter meets preset condition, show that fresh air system refrigeration dose is very few, export the alarm signal for characterizing fresh air system leakage of refrigerant, so as to remind the current fresh air system of user whether in the state for lacking fluorine failure in time.
Description
Technical field
The present invention relates to fresh air system technical fields, and in particular to a kind of fresh air system fault judgment method and alarm are
System.
Background technology
Existing fresh air system generally only dehumidifies or the simple functions such as purification, and a small number of fresh air conditioner-mechanicals are provided simultaneously with refrigeration
And heat-production functions, refrigerant ensure one of the necessary factor that the refrigeration of system and heat-production functions normally execute.
During leakage of refrigerant, since the refrigeration of fresh air system or heating are a slow processes, user is in short-term
In can not sensory perceptual system whether break down, only find still not achieving the effect that refrigeration or heating after long-time
When, user just can be appreciated that system breaks down, but user and can not learn failure cause at this time, can only be by maintenance of equipment people
After member is detected equipment, it could judge whether this failure is caused by leakage of refrigerant.
Traditional fresh air system influences user in the presence of user can not have found in time when the leakage of refrigerant of system as a result,
Using and the problem of cause energy waste.
Invention content
In view of this, a kind of fresh air system fault judgment method of offer of the embodiment of the present invention and warning system, are worked as with realizing
When fresh air system lacks refrigerant, user is reminded in time.
To achieve the above object, the embodiment of the present invention provides the following technical solutions：
A kind of fresh air system fault judgment method is applied in fresh air system, including：
When fresh air system powers on, initial outer shroud temperature, initial inner tube temperature and the initial exhaust temperature of fresh air system are obtained
Degree；
Judge whether the initial inner tube temperature and the absolute value of initial outer shroud temperature difference are more than first object value, if
It is no, after compressor start, the current inner tube temperature of fresh air system is obtained, obtains the operating mode phase with the fresh air system
The default decision condition matched judges the initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and current inner tube temperature
Whether preset condition is met, if so, alarm signal of the output for characterizing fresh air system leakage of refrigerant；
When the fresh air system works in refrigeration mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than third target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 4th desired value；
When the fresh air system works in heating mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is more than the 5th target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 6th desired value.
Preferably, described after compressor start in above-mentioned fresh air system fault judgment method, obtain working as fresh air system
Preceding inner tube temperature, specifically includes：
Start timing when compressor start；
Judge whether timing duration reaches setting duration, if so, obtaining the current inner tube temperature of fresh air system.
Preferably, in above-mentioned fresh air system fault judgment method, can also include：
It is described default by being determined in default mapping table according to the operating mode of fresh air system, compressor horsepower and setting duration
The second desired value, third desired value, the 4th desired value, the 5th desired value in condition and the 6th desired value；
Wherein, operating mode, compressor horsepower and setting duration and second mesh are prestored in the default mapping table
Mapping relations between scale value, third desired value, the 4th desired value, the 5th desired value and the 6th desired value.
Preferably, in above-mentioned fresh air system fault judgment method, the announcement for characterizing fresh air system leakage of refrigerant is exported
After alert signal, further include：
Obtain the mailing address of the user terminal to prestore；
Request is sent to user terminal output maintenance service according to the mailing address, the maintenance service transmission is asked
It asks including at least the model identification information for having the fresh air system；
When the user terminal detects that maintenance service described in user response sends request, maintenance service request is generated,
Maintenance service request is sent to default network server；
The maintenance service device request is including at least the contact method of the user terminal, model identification information and is used for
Characterize the failure identification that fresh air system lacks refrigerant failure.
Preferably, it in above-mentioned fresh air system fault judgment method, is tieed up described in user response when the user terminal detects
After the service of repairing sends request, further include：
The user terminal determines the location information of user terminal by positioning system；
The maintenance service device is asked：The location information of user terminal.
A kind of fresh air system fault warning system is applied in fresh air system, including：Microprocessor and the microprocessor
The connected alarm device of device；
The microprocessor, including：
Data acquisition module, initial outer shroud temperature, initial inner tube for when fresh air system powers on, obtaining fresh air system
Temperature and initial exhaust gas temperature obtain the current inner tube temperature of fresh air system after the compressor operating of fresh air system；
First judgment module, for judging whether the initial inner tube temperature and the absolute value of initial outer shroud temperature difference are big
In first object value, if not, exporting trigger signal to the second judgment module；
Second judgment module is sentenced for obtaining the default decision condition to match with the operating mode of the fresh air system
Whether the initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and the current inner tube temperature of breaking meet preset condition, such as
Fruit is to export trigger signal to alarm device by the signal transceiver；
The alarm device, for when getting the trigger signal, exporting for characterizing fresh air system leakage of refrigerant
Alarm signal；
When the fresh air system works in refrigeration mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than third target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 4th desired value；
When the fresh air system works in heating mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is more than the 5th target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 6th desired value.
Preferably, in above-mentioned fresh air system fault warning system, the microprocessor further includes：
Timing unit judges whether timing duration reaches setting duration for starting timing when compressor start, if
It is to export trigger signal to output acquisition module；
The data acquisition module is specifically configured to, and when fresh air system powers on, obtains the initial outer shroud of fresh air system
Temperature, initial inner tube temperature and initial exhaust gas temperature obtain fresh air when getting the trigger signal of the timing unit output
The current inner tube temperature of system.
Preferably, in above-mentioned fresh air system fault warning system, the microprocessor further includes：
Desired value selecting unit, for the operating mode of foundation fresh air system, compressor horsepower and setting duration by presetting
The second desired value, third desired value, the 4th desired value, the 5th desired value and the 6th in the preset condition are determined in mapping table
Desired value；
Wherein, operating mode, compressor horsepower and setting duration and second mesh are prestored in the default mapping table
Mapping relations between scale value, third desired value, the 4th desired value, the 5th desired value and the 6th desired value.
Preferably, in above-mentioned fresh air system fault warning system, further include：
User terminal, default network server and the wireless signal transceiver being connected with the microprocessor；
The microprocessor further includes that maintenance call unit is used for, when the judgement initial exhaust gas temperature, initial outer circumstance temperature
When degree, initial inner tube temperature and current inner tube temperature meet preset condition, the mailing address of the user terminal to prestore, foundation are obtained
The mailing address sends request to user terminal output maintenance service, and the maintenance service, which is sent a request to, includes less
The model identification information of the fresh air system；
The user terminal, for obtaining and showing that the maintenance service sends request, when detecting described in user response
When maintenance service sends request, maintenance service request is generated, maintenance service request is sent to default network server；
Wherein, maintenance service device request including at least the contact method of the user terminal, model identification information with
And the failure identification of refrigerant failure is lacked for characterizing fresh air system.
Preferably, in above-mentioned fresh air system fault warning system, the user terminal is specifically configured to：
The user terminal, for obtaining and showing that the maintenance service sends request, when detecting described in user response
When maintenance service sends request, the location information of user terminal is determined by positioning system, generates maintenance service request, it will be described
Maintenance service request is sent to default network server；
The maintenance service device is asked：The location information of user terminal.
Based on the above-mentioned technical proposal, fresh air system fault judgment method provided in an embodiment of the present invention and fresh air system failure
Warning system, before working as fresh air system compressor start, obtain the initial outer shroud temperature of fresh air system, initial inner tube temperature and
Initial exhaust gas temperature obtains its current inner tube temperature after compressor start, and the operating mode selection according to fresh air system is used for
The preset condition for carrying out breakdown judge, when the absolute value of the initial inner tube temperature and initial outer shroud temperature difference is less than the first mesh
Scale value and when above-mentioned parameter meets preset condition, shows that fresh air system refrigeration dose is very few, exports for characterizing fresh air system system
The alarm signal of cryogen leakage, so as to remind the current fresh air system of user whether in the state for lacking fluorine failure in time.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of fresh air system fault judgment method disclosed in the embodiment of the present application；
Fig. 2 is the flow diagram of another fresh air system fault judgment method disclosed in the embodiment of the present application；
Fig. 3 is a kind of structural schematic diagram of fresh air system fault warning system disclosed in the embodiment of the present application.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Be directed in the prior art, when fresh air system be in lack run under refrigerant condition when, user is difficult in section
Interior discovery failure, and influence that user uses and the problem of energy waste, this application discloses a kind of fresh air system failures
Judgment method and fresh air system fault warning system are applied in fresh air system.
The fresh air system fault judgment method is applied in fresh air system, referring to Fig. 1, can specifically include：
Step S101：Obtain initial outer shroud temperature, initial inner tube temperature and the initial exhaust gas temperature of fresh air system；
In this step, when detecting that fresh air system powers on, the fresh air system is obtained by corresponding temperature sensor
Initial outer shroud temperature, initial inner tube temperature and the initial exhaust gas temperature of system；
Step S102：Judge whether the initial inner tube temperature and the absolute value of initial outer shroud temperature difference are more than the first mesh
Scale value, if not, executing step S103；
In this step, the pre-pass initial inner tube temperature and initial outer shroud temperature difference, judge that fresh air system is in advance
It is no to lack refrigerant, (do not lack refrigerant) when the fresh air system is in normal mode, the initial inner tube temperature with just
Beginning outer shroud temperature difference should exceed in preset range, and the preset range can be to be closed by what the positive and negative first object value was formed
Interval range shows the fresh air system when the initial inner tube temperature is located at the preset range with initial outer shroud temperature difference
System is likely to be at the malfunction for lacking refrigerant (can be fluorine), need to continue breakdown judge, otherwise, show fresh air system
Refrigeration dose it is normal；
Step S103：After compressor start, current inner tube temperature is obtained；
After the compressor start of fresh air system, temperature changes in the pipe of the fresh air system, when the fresh air system
It when system is in normal condition, is influenced by refrigerant, temperature change value is larger in the pipe of the fresh air system, if working as the fresh air
When system is in the state for lacking refrigerant, temperature change is smaller in the pipe of the fresh air system, therefore, when the compressor opens
After dynamic, current inner tube temperature need to be acquired, to facilitate consequent malfunction to judge；
Step S104：Obtain the default decision condition to match with the operating mode of the fresh air system；
It should be noted that the operating mode according to system is different, when system is in fresh air system when refrigerant lacks state
The form of expression of the parameters of system is also just different, in this regard, before fault detection method disclosed in application the embodiment of the present application,
It need to be directed to different patterns, different judgment rules is set, for example, when the fresh air system works in refrigeration mode, institute
Stating preset condition is：The initial exhaust gas temperature is not less than the second desired value and the initial inner tube with initial outer shroud temperature difference
The difference of temperature and current inner tube temperature is less than third desired value or the initial exhaust gas temperature is less than with initial outer shroud temperature difference
Second desired value and the difference of the initial inner tube temperature and current inner tube temperature are less than the 4th desired value；When the fresh air system work
When making in heating mode, the preset condition is：The initial exhaust gas temperature is not less than the second mesh with initial outer shroud temperature difference
Scale value and the difference of the initial inner tube temperature and current inner tube temperature be more than the 5th desired value or the initial exhaust gas temperature with just
Beginning outer shroud temperature difference is less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than the 6th target
Value；
Step S105：Judge the initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and current inner tube temperature
Whether preset condition is met, if so, executing step S106；
In this step, after determining the preset condition for executing this judgement, the initial exhaust gas temperature, initial is judged
Whether outer shroud temperature, initial inner tube temperature and current inner tube temperature meet the rule of any one in the preset condition, if
It is then to show that fresh air system is in refrigerant and lacks failure；
Step S106：Export the alarm signal for characterizing fresh air system leakage of refrigerant；
Wherein, the type of the alarm signal can be according to user demand sets itself, such as it can be default voice
Signal or buzzer alert signals etc..
Technical solution disclosed in the above embodiments of the present application obtains fresh air system before working as fresh air system compressor start
Initial outer shroud temperature, initial inner tube temperature and the initial exhaust gas temperature of system obtain its current interior tube temperature after compressor start
Degree, the operating mode according to fresh air system select preset condition for carrying out breakdown judge, when the initial inner tube temperature with
The absolute value of initial outer shroud temperature difference is less than first object value and when above-mentioned parameter meets preset condition, shows fresh air system system
Cryogen amount is very few, the alarm signal for characterizing fresh air system leakage of refrigerant is exported, so as to remind user current in time
Whether fresh air system is in the state for lacking fluorine failure.
In technical solution disclosed in the above embodiments of the present application, in order to ensure the accuracy of breakdown judge, the step
The current inner tube temperature got in S103 is that the compressor operating sets the inner tube temperature after duration；At this point, the step
S103 can specifically include：
Start timing when detecting compressor start；
Judge whether timing duration reaches setting duration, if so, obtaining the current inner tube temperature of fresh air system.
In technical solution disclosed in the above embodiments of the present application, the first object value, the second desired value, third target
Value, the 4th desired value, the 5th desired value, the 6th desired value and set duration occurrence can voluntarily be set according to user demand
It is fixed.
For example, the first object value is set as 5 DEG C, sets second desired value to 10 DEG C, by the third
Desired value is set as 3 DEG C, sets the 4th desired value to 2 DEG C, sets the setting duration to 6 minutes；To being in refrigeration mould
The detailed process that the fresh air system of formula carries out breakdown judge is：
A1, initial outer shroud temperature, initial inner tube temperature and the initial exhaust gas temperature for obtaining fresh air system；
A2, judge whether the initial inner tube temperature and the absolute value of initial outer shroud temperature difference are more than 5 DEG C, if not,
Into A3；
A3, when compressor start duration reaches 6 minutes, obtain current inner tube temperature；
A4, judge that the initial exhaust gas temperature is not less than 10 DEG C and the initial inner tube temperature with initial outer shroud temperature difference
It is less than 3 DEG C or the initial exhaust gas temperature with the difference of current inner tube temperature and initial outer shroud temperature difference is less than 10 DEG C and described
The difference of initial inner tube temperature and current inner tube temperature is less than 2 DEG C, if so, output is for characterizing fresh air system leakage of refrigerant
Alarm signal.
When the fresh air system works, due to the power of the compressor is different, the operating mode of fresh air system is different,
It is different to set duration, the second desired value, third desired value, the 4th desired value, the 5th desired value and the 6th target that should be selected
The size of value is also just different, and in view of this, the application can preset a mapping table before executing the above method, the default mapping
Operating mode, compressor horsepower and setting duration and second desired value, third desired value, the 4th target are prestored in table
Mapping relations between value, the 5th desired value and the 6th desired value.
When above-mentioned fresh air system occur above-mentioned failure when, in order to notify maintenance personal in time to the fresh air system into
Row repair, can be with after exporting the alarm signal for characterizing fresh air system leakage of refrigerant in the above method referring to Fig. 2
Including：
Step S201：Obtain the mailing address of the user terminal to prestore；
Wherein, the mailing address of the user terminal to prestore, the mailing address reserved for user, it is certainly contemplated that due to
The service life of the fresh air system is longer, it is possible that system changes hands or the case where user changes contact method, in this regard, institute
State can also by automatically in the preset range centered on the fresh air system carry out equipment search, when search user end
When holding (user terminal can be mobile phone), the mailing address of the communication equipment is obtained, which is equivalent to this step
Mailing address in rapid；
Step S202：According to the mailing address request, the repair are sent to user terminal output maintenance service
Service send a request to include less the fresh air system model identification information；
When detecting that fresh air system lacks failure due to refrigerant, asked to user terminal output maintenance service transmission
It asks, to ask whether user needs to repair the fresh air system for instructions；
Step S203：When the user terminal detects that maintenance service described in user response sends request, repair is generated
Maintenance service request is sent to default network server by service request；
In this step, maintenance service described in the user response send request refer to when user terminal get it is described
When maintenance service sends request, which is showed into user by preset window, when user terminal is obtained by the preset window
When getting the confirmation instruction of user's key entry, that is, show that the user response maintenance service sends request, at this point, the user is whole
End generates maintenance service request and maintenance service request is sent to default network server, and the default network server is
The network server to match with the manufacturer of the fresh air system, for example, when the production firm of the fresh air system is A, it will
Maintenance service request is sent in the network server to match with company A；
System model, user contact details and fault type, the maintenance service device are determined in order to facilitate maintenance personal
Request lacks refrigerant event including at least the contact method of the user terminal, model identification information and for characterizing fresh air system
The failure identification of barrier.
Preferably, the address information that the fresh air system is determined in order to facilitate maintenance personal, when the user terminal detects
After sending request to maintenance service described in user response, can also include：
The user terminal determines the location information of user terminal by positioning system；
The maintenance service device is asked：The location information of user terminal.
Corresponding with the above method, disclosed herein as well is a kind of fresh air system fault warning systems, are applied to fresh air system
In system, the above method and this warning system can be used for reference mutually, and referring to Fig. 3, which includes：Microprocessor 100, with it is described micro-
The connected alarm device 200 of processor 100；
The microprocessor 100, including：
Data acquisition module 110, the initial outer shroud temperature, initial for when fresh air system powers on, obtaining fresh air system
Inner tube temperature and initial exhaust gas temperature obtain the current inner tube temperature of fresh air system after the compressor operating of fresh air system；
First judgment module 120, for judging that the initial inner tube temperature and the absolute value of initial outer shroud temperature difference be
It is no to be more than first object value, if not, exporting trigger signal to the second judgment module；
Second judgment module 130, for obtaining the default decision condition to match with the operating mode of the fresh air system,
Judge whether the initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and current inner tube temperature meet preset condition,
If so, exporting trigger signal to alarm device by the signal transceiver；
When the fresh air system works in refrigeration mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than third target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 4th desired value；
When the fresh air system works in heating mode, the preset condition is：The initial exhaust gas temperature with it is initial
Outer shroud temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is more than the 5th target
Value or the initial exhaust gas temperature and initial outer shroud temperature difference are less than the second desired value and the initial inner tube temperature and currently
The difference of inner tube temperature is less than the 6th desired value.
The alarm device 200, for when getting the trigger signal, output to be let out for characterizing fresh air system refrigerant
The alarm signal of dew；
Corresponding with the above method, the microprocessor 100 further includes：
Timing unit 140 judges whether timing duration reaches setting duration for starting timing when compressor start,
If so, exporting trigger signal to output acquisition module；
The data acquisition module 110 is specifically configured to, and when fresh air system powers on, obtains the initial outer of fresh air system
Circumstance temperature degree, initial inner tube temperature and initial exhaust gas temperature are obtained when getting the trigger signal of the output of the timing unit 140
Take the current inner tube temperature of fresh air system.
Corresponding with the above method, the microprocessor 100 further includes：
Desired value selecting unit 150, for the operating mode of foundation fresh air system, compressor horsepower and setting duration by pre-
If determining the second desired value in the preset condition, third desired value, the 4th desired value, the 5th desired value and the in mapping table
Six desired values；
Wherein, operating mode, compressor horsepower and setting duration and second mesh are prestored in the default mapping table
Mapping relations between scale value, third desired value, the 4th desired value, the 5th desired value and the 6th desired value.
Corresponding with the above method, the fresh air system fault warning system further includes：
User terminal 300, default network server 400 and the wireless signal transceiver being connected with the microprocessor 100
500；
The microprocessor 100 further includes that maintenance call unit 160 is used for, when the judgement initial exhaust gas temperature, initially
When outer shroud temperature, initial inner tube temperature and current inner tube temperature meet preset condition, the user terminal to prestore is obtained communicatedly
Location sends request according to the mailing address to user terminal output maintenance service, and the maintenance service is sent a request to
Include the model identification information of the fresh air system less；
Wherein, the maintenance call unit 160 can also be used for by automatically to default centered on the fresh air system
Equipment search is carried out in range obtains the communication equipment when searching user terminal (user terminal can be mobile phone)
Mailing address, which is equivalent to the mailing address needed for the maintenance call unit 160；
The user terminal 300, for obtaining and showing that the maintenance service sends request, when detecting user response institute
When stating maintenance service transmission request, maintenance service request is generated, maintenance service request is sent to default network server
400；
Wherein, maintenance service device request including at least the contact method of the user terminal, model identification information with
And the failure identification of refrigerant failure is lacked for characterizing fresh air system.
Corresponding with the above method, the user terminal 300 is specifically configured to：
It obtains and shows that the maintenance service sends request, asked when detecting that maintenance service described in user response is sent
When, the location information of user terminal is determined by positioning system, generates maintenance service request, and the maintenance service is asked to send
To default network server；
The maintenance service device is asked：The location information of user terminal.
For convenience of description, it is divided into various modules when description system above with function to describe respectively.Certainly, implementing this
The function of each module is realized can in the same or multiple software and or hardware when application.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (10)
1. a kind of fresh air system fault judgment method is applied in fresh air system, which is characterized in that including：
When fresh air system powers on, initial outer shroud temperature, initial inner tube temperature and the initial exhaust gas temperature of fresh air system, institute are obtained
It states inner tube temperature and refers to temperature in the pipe for the fresh air system for meeting the following conditions：When the fresh air system is in normal condition
When, it is influenced by refrigerant, it is big when temperature change value is relative to the state for lacking refrigerant in the pipe of the fresh air system, if worked as
When the fresh air system is in the state for lacking refrigerant, temperature change is relative to normal condition in the pipe of the fresh air system
It is small；
Judge whether the initial inner tube temperature and the absolute value of initial outer shroud temperature difference are more than first object value, if not,
After compressor start, the current inner tube temperature of fresh air system is obtained, obtains and matches with the operating mode of the fresh air system
Default decision condition, judge that the initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and current inner tube temperature are
It is no to meet preset condition, if so, alarm signal of the output for characterizing fresh air system leakage of refrigerant；
When the fresh air system works in refrigeration mode, the preset condition is：The initial exhaust gas temperature and initial outer shroud
Temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than third desired value, or
The initial exhaust gas temperature is with initial outer shroud temperature difference less than the second desired value and the initial inner tube temperature and current inner tube
Temperature difference is less than the 4th desired value；
When the fresh air system works in heating mode, the preset condition is：The initial exhaust gas temperature and initial outer shroud
Temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is more than the 5th desired value, or
The initial exhaust gas temperature is with initial outer shroud temperature difference less than the second desired value and the initial inner tube temperature and current inner tube
Temperature difference is less than the 6th desired value.
2. fresh air system fault judgment method according to claim 1, which is characterized in that it is described after compressor start,
The current inner tube temperature for obtaining fresh air system, specifically includes：
Start timing when compressor start；
Judge whether timing duration reaches setting duration, if so, obtaining the current inner tube temperature of fresh air system.
3. fresh air system fault judgment method according to claim 2, which is characterized in that further include：
According to the operating mode of fresh air system, compressor horsepower and setting duration by determining the preset condition in default mapping table
In the second desired value, third desired value, the 4th desired value, the 5th desired value and the 6th desired value；
Wherein, prestored in the default mapping table operating mode, compressor horsepower and setting duration and second desired value,
Mapping relations between third desired value, the 4th desired value, the 5th desired value and the 6th desired value.
4. fresh air system fault judgment method according to claim 2, which is characterized in that output is for characterizing fresh air system
After the alarm signal of leakage of refrigerant, further include：
Obtain the mailing address of the user terminal to prestore；
Request is sent to user terminal output maintenance service according to the mailing address, the maintenance service is sent a request to
Include the model identification information of the fresh air system less；
When the user terminal detects that maintenance service described in user response sends request, maintenance service request is generated, by institute
It states maintenance service request and is sent to default network server；
The maintenance service device request is including at least the contact method of the user terminal, model identification information and for characterizing
Fresh air system lacks the failure identification of refrigerant failure.
5. fresh air system fault judgment method according to claim 4, which is characterized in that when the user terminal detects
After maintenance service described in user response sends request, further include：
The user terminal determines the location information of user terminal by positioning system；
The maintenance service device is asked：The location information of user terminal.
6. a kind of fresh air system fault warning system is applied in fresh air system, which is characterized in that including：Microprocessor and institute
State the connected alarm device of microprocessor；
The microprocessor, including：
Data acquisition module, initial outer shroud temperature, initial inner tube temperature for when fresh air system powers on, obtaining fresh air system
And initial exhaust gas temperature obtains the current inner tube temperature of fresh air system, said inner tube temperature after the compressor operating of fresh air system
Spend the temperature in the pipe for the fresh air system for referring to meeting the following conditions：It is restricted when the fresh air system is in normal condition
Cryogen influences, big when temperature change value is relative to the state for lacking refrigerant in the pipe of the fresh air system, if when described new
When wind system is in the state for lacking refrigerant, temperature change is small relative to normal condition in the pipe of the fresh air system；
First judgment module, for judging whether the absolute value of the initial inner tube temperature and initial outer shroud temperature difference is more than the
One desired value, if not, exporting trigger signal to the second judgment module；
Second judgment module judges institute for obtaining the default decision condition to match with the operating mode of the fresh air system
State whether initial exhaust gas temperature, initial outer shroud temperature, initial inner tube temperature and current inner tube temperature meet preset condition, if
It is that trigger signal is exported to alarm device by the signal transceiver；
The alarm device, for when getting the trigger signal, exporting the announcement for characterizing fresh air system leakage of refrigerant
Alert signal；
When the fresh air system works in refrigeration mode, the preset condition is：The initial exhaust gas temperature and initial outer shroud
Temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is less than third desired value, or
The initial exhaust gas temperature is with initial outer shroud temperature difference less than the second desired value and the initial inner tube temperature and current inner tube
Temperature difference is less than the 4th desired value；
When the fresh air system works in heating mode, the preset condition is：The initial exhaust gas temperature and initial outer shroud
Temperature difference is not less than the second desired value and the difference of the initial inner tube temperature and current inner tube temperature is more than the 5th desired value, or
The initial exhaust gas temperature is with initial outer shroud temperature difference less than the second desired value and the initial inner tube temperature and current inner tube
Temperature difference is less than the 6th desired value.
7. fresh air system fault warning system according to claim 6, which is characterized in that the microprocessor further includes：
Timing unit judges whether timing duration reaches setting duration for starting timing when compressor start, if so,
Trigger signal is exported to output acquisition module；
The data acquisition module is specifically configured to, when fresh air system powers on, obtain fresh air system initial outer shroud temperature,
Initial inner tube temperature and initial exhaust gas temperature obtain fresh air system when getting the trigger signal of the timing unit output
Current inner tube temperature.
8. fresh air system fault warning system according to claim 7, which is characterized in that the microprocessor further includes：
Desired value selecting unit, for being mapped by default according to the operating mode of fresh air system, compressor horsepower and setting duration
The second desired value, third desired value, the 4th desired value, the 5th desired value and the 6th target in the preset condition are determined in table
Value；
Wherein, prestored in the default mapping table operating mode, compressor horsepower and setting duration and second desired value,
Mapping relations between third desired value, the 4th desired value, the 5th desired value and the 6th desired value.
9. fresh air system fault warning system according to claim 7, which is characterized in that further include：
User terminal, default network server and the wireless signal transceiver being connected with the microprocessor；
The microprocessor further includes that maintenance call unit is used for, when judge the initial exhaust gas temperature, initial outer shroud temperature,
When initial inner tube temperature and current inner tube temperature meet preset condition, the mailing address of the user terminal to prestore is obtained, according to institute
It states mailing address and sends request to user terminal output maintenance service, the maintenance service sends a request to few comprising
State the model identification information of fresh air system；
The user terminal is repaired when detecting described in user response for obtaining and showing that the maintenance service sends request
When service sends request, maintenance service request is generated, maintenance service request is sent to default network server；
Wherein, contact method, model identification information and use of the maintenance service device request including at least the user terminal
The failure identification of refrigerant failure is lacked in characterization fresh air system.
10. fresh air system fault warning system according to claim 9, which is characterized in that the specific quilt of the user terminal
It is configured to：
The user terminal is repaired when detecting described in user response for obtaining and showing that the maintenance service sends request
When service sends request, the location information of user terminal is determined by positioning system, maintenance service request is generated, by the repair
Service request is sent to default network server；
The maintenance service device is asked：The location information of user terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957650.4A CN106369765B (en) | 2016-10-27 | 2016-10-27 | A kind of fresh air system fault judgment method and warning system |
| PCT/CN2017/106525 WO2018077069A1 (en) | 2016-10-27 | 2017-10-17 | Method and device for fresh air system fault determination and alarm system |
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| CN201610957650.4A CN106369765B (en) | 2016-10-27 | 2016-10-27 | A kind of fresh air system fault judgment method and warning system |
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| CN106369765B (en) * | 2016-10-27 | 2018-10-19 | 珠海格力电器股份有限公司 | A kind of fresh air system fault judgment method and warning system |
| CN107255345A (en) * | 2017-06-21 | 2017-10-17 | 广东美的暖通设备有限公司 | New blower fan and its control method and device |
| CN107730015A (en) * | 2017-11-07 | 2018-02-23 | 国家电网公司 | New Intelligent office maintenance of equipment method and system |
| CN110925948B (en) * | 2019-12-12 | 2021-06-04 | 宁波奥克斯电气股份有限公司 | Detection method and system and air conditioner |
| CN113013920A (en) * | 2021-03-08 | 2021-06-22 | 射阳汉鼎新能源科技有限公司 | Photovoltaic power generation intelligent control system |
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| WO2018077069A1 (en) | 2018-05-03 |
| CN106369765A (en) | 2017-02-01 |
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