CN107421071A - Diagnostic method, the device of multiple on-line system and its delivery temperature detection exception - Google Patents
Diagnostic method, the device of multiple on-line system and its delivery temperature detection exception Download PDFInfo
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- CN107421071A CN107421071A CN201710633636.3A CN201710633636A CN107421071A CN 107421071 A CN107421071 A CN 107421071A CN 201710633636 A CN201710633636 A CN 201710633636A CN 107421071 A CN107421071 A CN 107421071A
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- Prior art keywords
- line system
- delivery temperature
- compressor
- pressure
- difference
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses the abnormal diagnostic method of a kind of multiple on-line system and its delivery temperature detection, device, wherein, multiple on-line system includes compressor, and diagnostic method comprises the following steps：When establishing machine operation in multiple on-line system by cable, the pressure at expulsion of compressor is obtained every the first preset time, and obtain the delivery temperature of compressor in real time；The pressure at expulsion difference of compressor is calculated according to the pressure at expulsion obtained every the first preset time, and judges whether pressure at expulsion difference is more than or equal to preset pressure threshold value；If pressure at expulsion difference is more than or equal to preset pressure threshold value, then obtain the minimum value in delivery temperature in the first preset time, and judge that the delivery temperature of multiple on-line system detects whether exception according to the delivery temperature difference between the current exhaust gas temperature and minimum value of compressor.The diagnostic method, the accuracy of compressor exhaust temperature detection can be ensured, be easy to improve the reliability of multiple on-line system, lift Consumer's Experience.
Description
Technical field
The present invention relates to the delivery temperature of air conditioner technical field, more particularly to a kind of multiple on-line system to detect abnormal examine
Disconnected method, a kind of abnormal diagnostic device of the delivery temperature of multiple on-line system detection and a kind of multiple on-line system.
Background technology
In multiple on-line system, the delivery temperature of compressor be judge system whether the essential condition of normal operation.For example,
The power output of compressor or the aperture of throttle part can be adjusted according to the delivery temperature of compressor, to ensure the efficient of system
Operation.If the abnormal control that may result in multiple on-line system using the delivery temperature of compressor as control condition of delivery temperature detection
Logic is abnormal, can cause system crash, damage the important component of refrigeration system compressor, can influence system reliability, influence to use
The normal use at family.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.Therefore, the present invention
First purpose is the diagnostic method for proposing that a kind of delivery temperature detection of multiple on-line system is abnormal.This method can ensure to press
The accuracy of contracting machine delivery temperature detection, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.
Second object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Third object of the present invention is the diagnostic device for proposing that a kind of delivery temperature detection of multiple on-line system is abnormal.
Fourth object of the present invention is to propose a kind of multiple on-line system.
To reach above-mentioned purpose, first aspect present invention embodiment proposes a kind of delivery temperature detection of multiple on-line system
Abnormal diagnostic method, the multiple on-line system include compressor, and the diagnostic method comprises the following steps：In the multi-connected machine
During system electrification start operation, the pressure at expulsion of the compressor is obtained every the first preset time, and obtain the pressure in real time
The delivery temperature of contracting machine；The pressure at expulsion of the compressor is calculated according to the pressure at expulsion obtained every first preset time
Difference, and judge whether the pressure at expulsion difference is more than or equal to preset pressure threshold value；If the pressure at expulsion difference is more than
Equal to preset pressure threshold value, then the minimum value in the delivery temperature in first preset time is obtained, and according to the pressure
Delivery temperature difference between the current exhaust gas temperature of contracting machine and the minimum value judges the delivery temperature of the multiple on-line system
Detect whether exception.
The diagnostic method of the delivery temperature detection exception of multiple on-line system according to embodiments of the present invention, according to every first
The pressure at expulsion that preset time obtains calculates the pressure at expulsion difference of compressor, and is more than or equal to default pressure in pressure at expulsion difference
During force threshold, the minimum value in delivery temperature in the first preset time is obtained, according to the current exhaust gas temperature of compressor and minimum
Delivery temperature difference between value judges that the delivery temperature of multiple on-line system detects whether exception, and thereby, it is possible to ensure compressor
The accuracy of delivery temperature detection, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.
In addition, the diagnostic method of the delivery temperature detection exception of multiple on-line system according to the above embodiment of the present invention may be used also
With with technical characteristic additional as follows：
According to one embodiment of present invention, the current exhaust gas temperature according to the compressor and the minimum value it
Between delivery temperature difference judge that the delivery temperature of the multiple on-line system detects whether abnormal include：Judge the compressor
Whether the delivery temperature difference between current exhaust gas temperature and the minimum value is less than preset temperature threshold value；If the compressor
Current exhaust gas temperature and the minimum value between delivery temperature difference be less than the preset temperature threshold value, then judge described more
The delivery temperature detection of on-line system is abnormal；If the exhaust between the current exhaust gas temperature of the compressor and the minimum value
Temperature gap is more than or equal to the preset temperature threshold value, then judges that the delivery temperature detection of the multiple on-line system is normal.
According to one embodiment of present invention, if the pressure at expulsion difference is less than the preset pressure threshold value, control
Make the multiple on-line system continuous service.
According to one embodiment of present invention, after the delivery temperature for judging the multiple on-line system detects exception, control
The multiple on-line system is shut down, and exports fault cues information.
According to one embodiment of present invention, the exhaust temperature of the multiple on-line system is detected by exhaust gas temperature sensor
Degree, wherein, the exhaust gas temperature sensor is arranged in the compressor, or is arranged in the blast pipe of the compressor.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter, computer program is stored thereon with, the program realizes the delivery temperature inspection of above-mentioned multiple on-line system when being executed by processor
Survey abnormal diagnostic method.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, by perform store thereon with it is above-mentioned multi-joint
Program corresponding to the diagnostic method of the delivery temperature detection exception of machine system, can ensure the accurate of compressor exhaust temperature detection
Property, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.
To reach above-mentioned purpose, third aspect present invention embodiment proposes a kind of delivery temperature detection of multiple on-line system
Abnormal diagnostic device, the multiple on-line system include compressor, and the diagnostic device includes：First acquisition module, for
When establishing machine operation in the multiple on-line system by cable, the pressure at expulsion of the compressor is obtained every the first preset time, and in real time
Obtain the delivery temperature of the compressor；Second acquisition module, for according to the exhaust obtained every first preset time
The pressure at expulsion difference of compressor described in calculation of pressure；First judge module, for judging whether the pressure at expulsion difference is big
In equal to preset pressure threshold value；3rd acquisition module, for when the pressure at expulsion difference is more than or equal to preset pressure threshold value,
Obtain the minimum value in the delivery temperature in first preset time；Second judge module, for according to the compressor
Current exhaust gas temperature and the minimum value between delivery temperature difference judge the multiple on-line system delivery temperature detect
It is whether abnormal.
The diagnostic device of the delivery temperature detection exception of multiple on-line system according to embodiments of the present invention, passes through second and obtains
Module calculates the pressure at expulsion difference of compressor according to the pressure at expulsion obtained every the first preset time, and is obtained by the 3rd
Module obtains the minimum in delivery temperature in the first preset time when pressure at expulsion difference is more than or equal to preset pressure threshold value
Value, and then judged by the second judge module according to the delivery temperature difference between the current exhaust gas temperature and minimum value of compressor
The delivery temperature of multiple on-line system detects whether exception, thereby, it is possible to ensure the accuracy of compressor exhaust temperature detection, is easy to
The reliability of multiple on-line system is improved, lifts Consumer's Experience.
In addition, the diagnostic device of the delivery temperature detection exception of multiple on-line system according to the above embodiment of the present invention may be used also
With with technical characteristic additional as follows：
According to one embodiment of present invention, second judge module is specifically used for：Judge the current of the compressor
Whether the delivery temperature difference between delivery temperature and the minimum value is less than preset temperature threshold value；In the current of the compressor
When delivery temperature difference between delivery temperature and the minimum value is less than the preset temperature threshold value, the multi-connected machine system is judged
The delivery temperature detection of system is abnormal；Delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value
During more than or equal to the preset temperature threshold value, judge that the delivery temperature detection of the multiple on-line system is normal.
According to one embodiment of present invention, the diagnostic device also includes first control module, for described
When pressure at expulsion difference is less than the preset pressure threshold value, the multiple on-line system continuous service is controlled.
According to one embodiment of present invention, the diagnostic device also includes second control module, for judging
After the delivery temperature detection exception of the multiple on-line system, the multiple on-line system is controlled to shut down, and export fault cues information.
According to one embodiment of present invention, the exhaust temperature of the multiple on-line system is detected by exhaust gas temperature sensor
Degree, wherein, the exhaust gas temperature sensor is arranged in the compressor, or is arranged in the blast pipe of the compressor.
To reach above-mentioned purpose, fourth aspect present invention embodiment proposes a kind of multiple on-line system, and it includes above-mentioned more
The diagnostic device of the delivery temperature detection exception of on-line system.
The air conditioner of the embodiment of the present invention, abnormal diagnostic device is detected using the delivery temperature of above-mentioned multiple on-line system,
The accuracy of compressor exhaust temperature detection can be ensured, be easy to improve the reliability of multiple on-line system, lift Consumer's Experience.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow of the abnormal diagnostic method of the delivery temperature detection of multiple on-line system according to embodiments of the present invention
Figure；
Fig. 2 is according to the abnormal diagnostic method of the delivery temperature detection of a real specific multiple on-line system for applying example of the invention
Flow chart；
Fig. 3 is the side of the abnormal diagnostic device of the delivery temperature detection of multiple on-line system according to an embodiment of the invention
Block diagram；
Fig. 4 is the abnormal diagnostic device of the delivery temperature detection of multiple on-line system in accordance with another embodiment of the present invention
Block diagram；
Fig. 5 is the block diagram of multiple on-line system according to embodiments of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the multiple on-line system of the embodiment of the present invention and its diagnosis side that delivery temperature detection is abnormal are described
Method, device.
Fig. 1 is the flow of the abnormal diagnostic method of the delivery temperature detection of multiple on-line system according to embodiments of the present invention
Figure.
In an embodiment of the present invention, multiple on-line system includes compressor.
As shown in figure 1, the diagnostic method of the delivery temperature detection exception of multiple on-line system comprises the following steps：
S101, when establishing machine operation in multiple on-line system by cable, the pressure at expulsion of compressor is obtained every the first preset time,
And the delivery temperature of compressor is obtained in real time.
Specifically, when establishing machine operation in multiple on-line system by cable, the current exhaust pressure of compressor can be obtained, i.e., it is multi-joint
The pressure at expulsion HP1 of compressor when machine system brings into operation.
S102, the pressure at expulsion difference of compressor is calculated according to the pressure at expulsion obtained every the first preset time, and is sentenced
Whether disconnected pressure at expulsion difference is more than or equal to preset pressure threshold value.
Specifically, if being HP2 every the pressure at expulsion that the first preset time obtains, then the pressure at expulsion difference of compressor is
HP2-HP1。
Wherein, preset pressure threshold value a MPa can be demarcated according to actual conditions.
S102, if pressure at expulsion difference is more than or equal to preset pressure threshold value, obtain exhaust temperature in the first preset time
Minimum value in degree, and multi-connected machine system is judged according to the delivery temperature difference between the current exhaust gas temperature and minimum value of compressor
The delivery temperature of system detects whether exception.
In this embodiment, if pressure at expulsion difference HP2-HP1 is less than preset pressure threshold value a MPa, control multi-joint
Machine systems stay is run.
Specifically, when establishing machine operation in multiple on-line system by cable, the exhaust of compressor is obtained every the first preset time t 1
Pressure HP2, and the delivery temperature Tp of compressor is obtained in real time.According to the pressure at expulsion HP2 obtained every the first preset time t 1
The pressure at expulsion difference HP2-HP1 of compressor is calculated, and judges whether pressure at expulsion difference HP2-HP1 is more than or equal to preset pressure
Threshold value a MPa.If HP2-HP1 >=a MPa, the minimum value Tpmin in t1 delivery temperatures in the first preset time is obtained, and
The row of multiple on-line system is judged according to the delivery temperature difference Tp-Tpmin between the current exhaust gas temperature Tp and Tpmin of compressor
Temperature degree detects whether exception, thereby, it is possible to ensure the accuracy of compressor exhaust temperature detection, is easy to improve multiple on-line system
Reliability, lifted Consumer's Experience.
In one embodiment of the invention, according to the delivery temperature between the current exhaust gas temperature of compressor and minimum value
Difference judges that the delivery temperature of multiple on-line system detects whether abnormal include：Judge the current exhaust gas temperature and minimum value of compressor
Between delivery temperature difference whether be less than preset temperature threshold value；If between the current exhaust gas temperature and minimum value of compressor
Delivery temperature difference is less than preset temperature threshold value, then judges that the delivery temperature detection of multiple on-line system is abnormal；If compressor
Delivery temperature difference between current exhaust gas temperature and minimum value is more than or equal to b DEG C of preset temperature threshold value, then judges multi-connected machine system
The delivery temperature detection of system is normal.
Wherein, b DEG C of preset temperature threshold value can be demarcated according to actual conditions.
Further, after the delivery temperature for judging multiple on-line system detects exception, control multiple on-line system is shut down, and defeated
Be out of order prompt message.Thus, it is possible to avoid the influence to multiple on-line system control logic, and may remind the user that in time to
Detection replacing is carried out in the sensor of detection compressor exhaust temperature.
For example, referring to Fig. 2, when establishing machine operation in multiple on-line system by cable, the pressure at expulsion HP1 of compressor is obtained, and
The delivery temperature of compressor can be obtained in real time.After multiple on-line system runs the first preset time t 1, the exhaust pressure of compressor is obtained
Power HP2, judge the change of multiple on-line system pressure at expulsion in the first preset time t 1.If HP2-HP1 ＜ a MPa, are controlled
Multiple on-line system processed continues to run with the first preset time t 1；If HP2-HP1 >=a MPa, obtain in the first preset time t 1
The minimum value Tpmin of the delivery temperature of inner compressor, and judge delivery temperature Tp1 and minimum value in t1 moment compressors
Delivery temperature difference between Tpmin.If Tp1-Tpmin >=b DEG C, judge multiple on-line system normal operation；If Tp1-
Tpmin ＜ b DEG C, then judge that the delivery temperature detection of multiple on-line system is abnormal, control multiple on-line system is shut down, and is exported failure and carried
Show information.
In an embodiment of the present invention, the delivery temperature of compressor can be detected by exhaust gas temperature sensor, wherein, row
Gas temperature sensor can be set within the compressor, can also be arranged in the blast pipe of compressor.
To sum up, the abnormal diagnostic method of the delivery temperature detection of multiple on-line system according to embodiments of the present invention, according to every
The pressure at expulsion difference of compressor is calculated every the pressure at expulsion that the first preset time obtains, and is more than or equal in pressure at expulsion difference
During preset pressure threshold value, the minimum value in delivery temperature in the first preset time is obtained, according to the current exhaust gas temperature of compressor
Delivery temperature difference between minimum value judges that the delivery temperature of multiple on-line system detects whether exception, and thereby, it is possible to ensure
The accuracy of compressor exhaust temperature detection, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.In addition, can be
After the delivery temperature detection exception for judging multiple on-line system, multiple on-line system is controlled to shut down by the second control module, thus, energy
Enough avoid the occurrence of the multiple on-line system collapse caused by delivery temperature detection is abnormal, damage the problems such as multiple on-line system part.
Further, the present invention proposes a kind of non-transitorycomputer readable storage medium, is stored thereon with computer
Program, the program realize the delivery temperature detection of above-mentioned multiple on-line system abnormal diagnostic method when being executed by processor.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, can by perform store thereon with
Program corresponding to the diagnostic method of the delivery temperature detection exception of above-mentioned multiple on-line system, can ensure that compressor exhaust temperature is examined
The accuracy of survey, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.
Fig. 3 is the side of the abnormal diagnostic device of the delivery temperature detection of multiple on-line system according to an embodiment of the invention
Block diagram.
In an embodiment of the present invention, multiple on-line system includes compressor.
As shown in figure 3, the diagnostic device 100 of temperature abnormality detection includes：First acquisition module 10, the second acquisition module
20th, the first judge module 30, the 3rd acquisition module 40 and the second judge module 50.
Wherein, the first acquisition module 10 is used to, when establishing machine operation in multiple on-line system by cable, obtain every the first preset time
The pressure at expulsion of compressor is taken, and obtains the delivery temperature of compressor in real time.Second acquisition module 20 is used for according to every first
The pressure at expulsion that preset time obtains calculates the pressure at expulsion difference of compressor.First judge module 30 is used to judge pressure at expulsion
Whether difference is more than or equal to preset pressure threshold value.3rd acquisition module 40 is used to be more than or equal to preset pressure in pressure at expulsion difference
During threshold value, the minimum value in delivery temperature in the first preset time is obtained.Second judge module 50 is used for working as according to compressor
Delivery temperature difference between front exhaust temperature and minimum value judges that the delivery temperature of multiple on-line system detects whether exception.
In this embodiment, when establishing machine operation in multiple on-line system by cable, the current exhaust pressure of compressor can be obtained,
The pressure at expulsion HP1 of compressor when i.e. multiple on-line system brings into operation.
Specifically, the second judge module 50 is used to judge the exhaust temperature between the current exhaust gas temperature of compressor and minimum value
Whether degree difference is less than preset temperature threshold value；Delivery temperature difference between the current exhaust gas temperature of compressor and minimum value is small
When preset temperature threshold value, judge that the delivery temperature detection of multiple on-line system is abnormal；Compressor current exhaust gas temperature with most
When delivery temperature difference between small value is more than or equal to preset temperature threshold value, the delivery temperature detection of multiple on-line system is being judged just
Often.
Further, in some embodiments of the invention, as shown in figure 4, the delivery temperature detection of multiple on-line system is different
Normal diagnostic device 100 can also include the first control module 60 and the second control module 70.
Wherein, the first control module 60 is used for when pressure at expulsion difference is less than preset pressure threshold value, controls multi-connected machine system
System continuous service.Second control module 70 is used for after the delivery temperature for judging multiple on-line system detects exception, controls multi-connected machine
System-down, and fault cues information is exported, thus, it is possible to avoid the influence to multiple on-line system control logic, and can carry
Awake user carries out detection replacing to the sensor for detecting compressor exhaust temperature in time.
In an embodiment of the present invention, the delivery temperature of compressor can be detected by exhaust gas temperature sensor, wherein, exhaust
Temperature sensor can be set within the compressor, can also be arranged in the blast pipe of compressor.
To sum up, the abnormal diagnostic device of the delivery temperature detection of multiple on-line system according to embodiments of the present invention, by the
Two acquisition modules calculate the exhaust of compressor according to the pressure at expulsion obtained every the first preset time by the second acquisition module
Pressure difference value, and by the 3rd acquisition module when pressure at expulsion difference is more than or equal to preset pressure threshold value, it is default to obtain first
Minimum value in time in delivery temperature, and then current exhaust gas temperature and minimum value by the second judge module according to compressor
Between delivery temperature difference judge that the delivery temperature of multiple on-line system detects whether exception, thereby, it is possible to ensure compressor arrange
The accuracy of gas temperature detection, it is easy to improve the reliability of multiple on-line system, lifts Consumer's Experience.In addition, can judge it is multi-joint
After the delivery temperature detection exception of machine system, multiple on-line system is controlled to shut down by the second control module, thereby, it is possible to avoid out
The now multiple on-line system collapse caused by delivery temperature detection is abnormal, damage the problems such as multiple on-line system part.
Further, the present invention proposes a kind of multiple on-line system.
Fig. 5 is the block diagram of multiple on-line system according to embodiments of the present invention.As shown in figure 5, the multiple on-line system 1000
The diagnostic device 100 of the delivery temperature detection exception of multiple on-line system including above-described embodiment.
The multiple on-line system of the embodiment of the present invention, abnormal diagnosis is detected using the delivery temperature of above-mentioned multiple on-line system and filled
To put, the delivery temperature that can diagnose multiple on-line system detects whether exception, thus, is easy to improve the reliability of multiple on-line system,
Lift Consumer's Experience.
It should be noted that in flow charts represent or logic and/or step described otherwise above herein, for example,
The order list of the executable instruction for realizing logic function is considered, may be embodied in any computer can
Read in medium, for instruction execution system, device or equipment (such as computer based system including the system of processor or its
He can be from instruction execution system, device or equipment instruction fetch and the system of execute instruction) use, or combine these instructions and perform
System, device or equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any can include, store,
Communication, propagate or transmit program for instruction execution system, device or equipment or combination these instruction execution systems, device or set
The standby and device that uses.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or
The electrical connection section (electronic installation) of multiple wirings, portable computer diskette box (magnetic device), random access memory (RAM), only
Read memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable light
Disk read-only storage (CDROM).In addition, computer-readable medium can even is that can thereon print described program paper or its
His suitable medium, because can then enter edlin, interpretation or must for example by carrying out optical scanner to paper or other media
Handled when wanting with other suitable methods electronically to obtain described program, be then stored in computer storage
In.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (12)
- A kind of 1. abnormal diagnostic method of the delivery temperature detection of multiple on-line system, it is characterised in that the multiple on-line system bag Compressor is included, the diagnostic method comprises the following steps：When establishing machine operation in the multiple on-line system by cable, the pressure at expulsion of the compressor is obtained every the first preset time, And the delivery temperature of the compressor is obtained in real time；The pressure at expulsion difference of the compressor is calculated according to the pressure at expulsion obtained every first preset time, and is judged Whether the pressure at expulsion difference is more than or equal to preset pressure threshold value；If the pressure at expulsion difference is more than or equal to preset pressure threshold value, the exhaust in first preset time is obtained Minimum value in temperature, and sentenced according to the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value The delivery temperature for the multiple on-line system of breaking detects whether exception.
- 2. the abnormal diagnostic method of the delivery temperature detection of multiple on-line system as claimed in claim 1, it is characterised in that described The multiple on-line system is judged according to the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value Delivery temperature detect whether abnormal include：Judge whether the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is less than default temperature Spend threshold value；If the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is less than the default temperature Threshold value is spent, then judges that the delivery temperature detection of the multiple on-line system is abnormal；If the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is more than or equal to described pre- If temperature threshold, then judge that the delivery temperature detection of the multiple on-line system is normal.
- 3. the abnormal diagnostic method of the delivery temperature detection of multiple on-line system as claimed in claim 1 or 2, it is characterised in that Also include：If the pressure at expulsion difference is less than the preset pressure threshold value, the multiple on-line system continuous service is controlled.
- 4. the abnormal diagnostic method of the delivery temperature detection of multiple on-line system as claimed in claim 2, it is characterised in that sentencing After the delivery temperature detection exception for the multiple on-line system of breaking, the multiple on-line system is controlled to shut down, and export fault cues letter Breath.
- 5. the abnormal diagnostic method of the delivery temperature detection of multiple on-line system as claimed in claim 1, it is characterised in that pass through Exhaust gas temperature sensor detects the delivery temperature of the multiple on-line system, wherein, the exhaust gas temperature sensor is arranged on described In compressor, or it is arranged in the blast pipe of the compressor.
- 6. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the program exists The delivery temperature detection of the multiple on-line system as any one of claim 1-5 abnormal diagnosis is realized during processed execution Method.
- A kind of 7. abnormal diagnostic device of the delivery temperature detection of multiple on-line system, it is characterised in that the multiple on-line system bag Compressor is included, the diagnostic device includes：First acquisition module, described in when establishing machine operation in the multiple on-line system by cable, being obtained every the first preset time The pressure at expulsion of compressor, and the delivery temperature of the compressor is obtained in real time；Second acquisition module, for calculating the row of the compressor according to the pressure at expulsion obtained every first preset time Atmospheric pressure difference；First judge module, for judging whether the pressure at expulsion difference is more than or equal to preset pressure threshold value；3rd acquisition module, for when the pressure at expulsion difference is more than or equal to preset pressure threshold value, it is pre- to obtain described first If the minimum value in the time in the delivery temperature；Second judge module, it is poor for the delivery temperature between the current exhaust gas temperature according to the compressor and the minimum value Value judges that the delivery temperature of the multiple on-line system detects whether exception.
- 8. the abnormal diagnostic device of the delivery temperature detection of multiple on-line system as claimed in claim 7, it is characterised in that described Second judge module is specifically used for：Judge whether the delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is less than default temperature Spend threshold value；Delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is less than the preset temperature During threshold value, judge that the delivery temperature detection of the multiple on-line system is abnormal；Delivery temperature difference between the current exhaust gas temperature of the compressor and the minimum value is more than or equal to described default During temperature threshold, judge that the delivery temperature detection of the multiple on-line system is normal.
- 9. the abnormal diagnostic device of the delivery temperature detection of multiple on-line system as claimed in claim 7 or 8, it is characterised in that Also include：First control module, for when the pressure at expulsion difference is less than the preset pressure threshold value, controlling the multi-connected machine Systems stay is run.
- 10. the abnormal diagnostic device of the delivery temperature detection of multiple on-line system as claimed in claim 8, it is characterised in that also Including：Second control module, after detecting exception in the delivery temperature for judging the multiple on-line system, control the multi-connected machine System-down, and export fault cues information.
- 11. the abnormal diagnostic device of the delivery temperature detection of multiple on-line system as claimed in claim 7, it is characterised in that logical The delivery temperature that exhaust gas temperature sensor detects the multiple on-line system is crossed, wherein, the exhaust gas temperature sensor is arranged on institute State in compressor, or be arranged in the blast pipe of the compressor.
- 12. a kind of multiple on-line system, it is characterised in that including such as the multiple on-line system any one of claim 7-11 The abnormal diagnostic device of delivery temperature detection.
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