CN107247452B - Unit water shortage method for diagnosing faults, device and system - Google Patents
Unit water shortage method for diagnosing faults, device and system Download PDFInfo
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- CN107247452B CN107247452B CN201710414040.4A CN201710414040A CN107247452B CN 107247452 B CN107247452 B CN 107247452B CN 201710414040 A CN201710414040 A CN 201710414040A CN 107247452 B CN107247452 B CN 107247452B
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- water
- temperature
- disorderly closedown
- water temperature
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
- G05B23/0272—Presentation of monitored results, e.g. selection of status reports to be displayed; Filtering information to the user
Abstract
The present invention discloses a kind of unit water shortage method for diagnosing faults, device and system, is related to detection field.Wherein unit water shortage trouble-shooter is after unit disorderly closedown; extract first operation water temperature of the water-side heat before unit disorderly closedown; and the second operation water temperature after unit disorderly closedown; according to first operation water temperature and second operation water temperature between the temperature difference, with determine unit whether due to water shortage disorderly closedown.The present invention by using water-side heat the difference of the operation water temperature before and after unit disorderly closedown come determine unit whether due to water shortage disorderly closedown.So as to quickly determine unit due to water shortage the reason of disorderly closedown, so as to for after sale or debugging provides help and quick response instructs.
Description
Technical field
The present invention relates to detection field, in particular to a kind of unit water shortage method for diagnosing faults, device and system.
Background technique
As air source heat pump water heater group, the stabilization of water circuit system is key factor, when occurring unit operation in engineering
Water shortage will lead to unit disorderly closedown, can not hot water preparing for users to use.It will affect unit reliability simultaneously, reduce unit
Service life.
Due to there are many compressor emergency shutdowns, how effectively and timely to find that unit leads to disorderly closedown because of water shortage
Being one need solve the problems, such as.
Traditional water shortage judgment method, mainly by carrying out collection in worksite data after the installation is completed, then through remarkable
For analysis, water shortage situation is judged whether there is.It is this no doubt reliable by the method artificially judged, but lacked there is following
It falls into:
(1) it cannot inform at the first time engineering site or solve after sale, to reduce maintenance efficiency, reduce user's body
It tests.
(2) there is certain subjective factor, it is related to personal experience, ability.
(3) individual has to go to scene and is acquired data, expends more time, manpower, cost.
Summary of the invention
The embodiment of the present invention provides a kind of unit water shortage method for diagnosing faults, device and system, passes through and extracts the heat exchange of water side
First operation water temperature of the device before unit disorderly closedown and the second operation water temperature after unit disorderly closedown, and according to first
Operation water temperature and second operation water temperature between the temperature difference come determine unit whether due to water shortage disorderly closedown.So as to quickly determine machine
Group is due to water shortage the reason of disorderly closedown, so as to for after sale or debugging provides help and quick response guidance.
According to an aspect of the present invention, a kind of unit water shortage method for diagnosing faults is provided, comprising:
After unit disorderly closedown, first operation water temperature of the water-side heat before unit disorderly closedown, Yi Ji are extracted
The second operation water temperature after unit disorderly closedown；
According to first operation water temperature and second operation water temperature between the temperature difference, with determine unit whether due to water shortage failure is stopped
Machine.
It in one embodiment, is that user pushes corresponding failure cause after disorderly closedown determining unit due to water shortage
Information.
In one embodiment, the first operation water temperature is the operation of water-side heat given time before unit disorderly closedown
Water temperature.
In one embodiment, the second operation water temperature is specified time range of the water-side heat after unit disorderly closedown
Interior operation water temperature extreme value.
In one embodiment, in the case where unit is heating machine set, the first running temperature is water-side heat in machine
The inflow temperature of given time before group disorderly closedown；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Big value.
In one embodiment, according to the temperature difference between the first operation water temperature and the second operation water temperature, whether to determine unit
Disorderly closedown includes: due to water shortage
If the difference of the second operation water temperature and the first operation water temperature is not less than predetermined first thresholding, it is determined that unit is because of water shortage
And disorderly closedown.
In one embodiment, in the case where unit is heating machine set, the first running temperature is water-side heat in machine
The leaving water temperature of given time before group disorderly closedown；
Second running temperature be leaving water temperature of the water-side heat within the specified time after unit disorderly closedown most
Big value.
In one embodiment, according to the temperature difference between the first operation water temperature and the second operation water temperature, whether to determine unit
Disorderly closedown includes: due to water shortage
If the difference of the second operation water temperature and the first operation water temperature is not less than predetermined second thresholding, it is determined that unit is because of water shortage
And disorderly closedown.
In one embodiment, in the case where unit is refrigeration unit, the first running temperature is water-side heat in machine
The inflow temperature of given time before group disorderly closedown；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
In one embodiment, according to the temperature difference between the first operation water temperature and the second operation water temperature, whether to determine unit
Disorderly closedown includes: due to water shortage
If the difference of the first operation water temperature and the second operation water temperature is not less than predetermined third thresholding, it is determined that unit is because of water shortage
And disorderly closedown.
In one embodiment, in the case where unit is refrigeration unit, the first running temperature is water-side heat in machine
The leaving water temperature of given time before group disorderly closedown；
Second running temperature be leaving water temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
In one embodiment, according to the temperature difference between the first operation water temperature and the second operation water temperature, whether to determine unit
Disorderly closedown includes: due to water shortage
If the difference of the first operation water temperature and the second operation water temperature is not less than predetermined 4th thresholding, it is determined that unit is because of water shortage
And disorderly closedown.
According to another aspect of the present invention, a kind of unit water shortage trouble-shooter is provided, comprising:
Extraction module, for after unit disorderly closedown, extracting first fortune of the water-side heat before unit disorderly closedown
Row water temperature, and the second operation water temperature after unit disorderly closedown；
Fault diagnosis module, for according to the temperature difference between the first operation water temperature and the second operation water temperature, to determine that unit is
No disorderly closedown due to water shortage.
In one embodiment, above-mentioned apparatus further includes pushing module, for determining unit because lacking in fault diagnosis module
Water and after disorderly closedown, push corresponding fault reason information for user.
In one embodiment, the first operation water temperature is the operation of water-side heat given time before unit disorderly closedown
Water temperature.
In one embodiment, the second operation water temperature is specified time range of the water-side heat after unit disorderly closedown
Interior operation water temperature extreme value.
In one embodiment, in the case where unit is heating machine set, the first running temperature is water-side heat in machine
The inflow temperature of given time before group disorderly closedown；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Big value.
In one embodiment, fault diagnosis module is used for not small in the difference of the second operation water temperature and the first operation water temperature
In the case where predetermined first thresholding, unit disorderly closedown due to water shortage is determined.
In one embodiment, in the case where unit is heating machine set, the first running temperature is water-side heat in machine
The leaving water temperature of given time before group disorderly closedown；
Second running temperature be leaving water temperature of the water-side heat within the specified time after unit disorderly closedown most
Big value.
In one embodiment, fault diagnosis module is used for not small in the difference of the second operation water temperature and the first operation water temperature
In the case where predetermined second thresholding, unit disorderly closedown due to water shortage is determined.
In one embodiment, in the case where unit is refrigeration unit, the first running temperature is water-side heat in machine
The inflow temperature of given time before group disorderly closedown；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
In one embodiment, fault diagnosis module is used for not small in the difference of the first operation water temperature and the second operation water temperature
In the case where predetermined third thresholding, unit disorderly closedown due to water shortage is determined.
In one embodiment, in the case where unit is refrigeration unit, the first running temperature is water-side heat in machine
The leaving water temperature of given time before group disorderly closedown；
Second running temperature be leaving water temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
In one embodiment, fault diagnosis module is used for not small in the difference of the first operation water temperature and the second operation water temperature
In the case where predetermined 4th thresholding, unit disorderly closedown due to water shortage is determined.
According to another aspect of the present invention, a kind of unit is provided, comprising:
The unit water shortage trouble-shooter being related to such as above-mentioned any embodiment；
Temperature-detecting device for detecting the operation water temperature of water-side heat, and will test result and be sent to unit water shortage
Trouble-shooter；
Monitoring device, if unit disorderly closedown, is sent for monitoring set state to unit water shortage trouble-shooter
Unit disorderly closedown notice.
According to another aspect of the present invention, a kind of remote control server is provided, comprising:
The unit water shortage trouble-shooter being related to such as above-mentioned any embodiment.
According to another aspect of the present invention, a kind of unit water shortage fault diagnosis system is provided characterized by comprising
The remote control server being related to such as above-mentioned any embodiment；
Unit, including temperature-detecting device and monitoring device, in which:
Temperature-detecting device for detecting the operation water temperature of water-side heat, and will test result and be sent to long-range control
Server；
Monitoring device, if unit disorderly closedown, sends unit event to remote control server for monitoring set state
Hinder stop notice.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
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 technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of unit water shortage method for diagnosing faults one embodiment of the present invention.
Fig. 2 is air energy heat pump water heater operation principle schematic diagram.
Fig. 3 is the schematic diagram of another embodiment of unit water shortage method for diagnosing faults of the present invention.
Fig. 4 is the schematic diagram of the another embodiment of unit water shortage method for diagnosing faults of the present invention.
Fig. 5 is the schematic diagram of the another embodiment of unit water shortage method for diagnosing faults of the present invention.
Fig. 6 is the schematic diagram of the another embodiment of unit water shortage method for diagnosing faults of the present invention.
Fig. 7 is the schematic diagram of unit water shortage trouble-shooter one embodiment of the present invention.
Fig. 8 is the schematic diagram of another embodiment of unit water shortage trouble-shooter of the present invention.
Fig. 9 is the schematic diagram of unit one embodiment of the present invention.
Figure 10 is the schematic diagram of remote control server one embodiment of the present invention.
Figure 11 is the schematic diagram of another embodiment of unit water shortage fault diagnosis system of the present invention.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the schematic diagram of unit water shortage method for diagnosing faults one embodiment of the present invention.Optionally, the side of the present embodiment
Method step can be executed by unit water shortage trouble-shooter.Wherein:
Step 101, after unit disorderly closedown, first operation water of the water-side heat before unit disorderly closedown is extracted
Temperature, and the second operation water temperature after unit disorderly closedown.
Optionally, the first operation water temperature is the operation water temperature of water-side heat given time before unit disorderly closedown.
For example, can using water-side heat before unit disorderly closedown 5 seconds operation water temperature as first operation water temperature, to keep away
Exempt to influence because of unit disorderly closedown to operation water temperature detection bring.
Optionally, the second operation water temperature is operation of the water-side heat within the specified time after unit disorderly closedown
Water temperature extreme value.
For example, using the operation water temperature extreme value in the 1-120 second range after unit disorderly closedown as the second operation water temperature.
By selecting the second operation water temperature in a specified range, to can effectively avoid temperature fluctuation, so that the second operation water temperature
Measurement it is more acurrate.
Wherein, the first operation water temperature can for inflow temperature of the water-side heat before unit disorderly closedown or out water temperature
Degree, the second operation water temperature is inflow temperature extreme value or leaving water temperature extreme value of the water-side heat after unit disorderly closedown.
Step 102, according to the temperature difference between the first operation water temperature and the second operation water temperature, to determine unit whether due to water shortage
Disorderly closedown.
It optionally, is that user pushes corresponding fault reason information after disorderly closedown determining unit due to water shortage.
Based on the unit water shortage method for diagnosing faults that the above embodiment of the present invention provides, by extracting water-side heat in machine
The first operation water temperature before group disorderly closedown and the second operation water temperature after unit disorderly closedown, and according to the first operation water
It is mild second operation water temperature between the temperature difference come determine unit whether due to water shortage disorderly closedown.So as to quickly determine unit because lacking
Water and the reason of disorderly closedown, so as to for after sale or debugging provides help and quick response guidance.
What needs to be explained here is that as shown in Fig. 2, air energy heat pump water heater uses the principle of inverse Carnot cycle: refrigeration
After agent is inhaled into the acting of compressor 21, the gaseous state of high temperature and pressure is formed；Heat release is into water after water-side heat 22, into water
The water of side heat exchanger 22 is heated, while gaseous refrigerant is condensed into the liquid of medium temperature high pressure；By the throttling of throttling set 23
It is the liquid refrigerant of low-temp low-pressure after decompression；Refrigerant absorbs heat by evaporator 24 from air, forms low-temp low-pressure
Gaseous state, be then inhaled into compressor again, repeatedly.Wherein in Fig. 2, the arrow on the loop of left side indicates the stream of refrigerant
Direction is moved, the arrow direction on the pipeline of right side is water flowing direction.
As shown in Fig. 2, the water into water-side heat is heated, then the leaving water temperature of water-side heat can be slightly above into
Coolant-temperature gage.If water shortage once occurs in the process of running in unit, unit can report protection to shut down (such as high voltage protective), i.e.,
Water is immobilising, and a large amount of high pressure gaseous be gathered in water side can not heat release water supply, after shutdown, high temperature in the short time
Refrigerant is bound to heat release to be carried out to waterway pipe, and the device contact surface as detection water temperature is metal material, is stopped in unit
Temperature rise can be detected in a period of time after machine.From there through the difference or water outlet of the inlet water temperature before and after detection unit disorderly closedown
The difference of water temperature can judge water shortage disorderly closedown.
Certainly, the invention is not limited to air energy water heaters, it can also be used to other hot water preparings or the machine for producing cold water
Group equipment.Wherein when the unit equipment for producing cold water, the water in above-mentioned Fig. 2 in the pipeline of right side is passed through into water-side heat
22 cool down.
The present invention is specifically described below by specific example.
Embodiment one: unit is heating machine set, as shown in Figure 3.
Step 301, after unit disorderly closedown, the water inlet of water-side heat given time before unit disorderly closedown is extracted
Temperature TWater inlet。
Step 302, it is maximum to extract inflow temperature of the water-side heat within the specified time after unit disorderly closedown
Value TWater inlet max。
Step 303, judge TWater inlet max- TWater inletDifference whether be not less than predetermined first thresholding.
Step 304, if TWater inlet max- TWater inletDifference be not less than predetermined first thresholding, it is determined that unit due to water shortage stop by failure
Machine.
Correspondingly, if TWater inlet max- TWater inletDifference be less than predetermined first thresholding, then show that unit is touched due to other
Hair is shut down, and also needs to carry out other discriminatory analysis in this case.Since the other discriminatory analysis carried out are not this
Where the inventive point of invention, therefore it is not unfolded to describe here.
Embodiment two: unit is heating machine set, as shown in Figure 4.
Step 401, after unit disorderly closedown, the water outlet of water-side heat given time before unit disorderly closedown is extracted
Temperature TWater outlet。
Step 402, it is maximum to extract leaving water temperature of the water-side heat within the specified time after unit disorderly closedown
Value TIt is discharged max。
Step 403, judge TIt is discharged max- TWater outletDifference whether be not less than predetermined second thresholding.
Step 404, if TIt is discharged max- TWater outletDifference be not less than predetermined second thresholding, it is determined that unit due to water shortage stop by failure
Machine.
Correspondingly, if TIt is discharged max- TWater outletDifference be less than predetermined second thresholding, then show that unit is touched due to other
Hair is shut down, and also needs to carry out other discriminatory analysis in this case.
Embodiment three: unit is refrigeration unit, as shown in Figure 5.
Step 501, after unit disorderly closedown, the water inlet of water-side heat given time before unit disorderly closedown is extracted
Temperature TWater inlet。
Step 502, it is minimum to extract inflow temperature of the water-side heat within the specified time after unit disorderly closedown
Value TWater inlet min。
Step 503, judge TWater inlet- TWater inlet minDifference whether be not less than predetermined third thresholding.
Step 504, if TWater inlet- TWater inlet minDifference be not less than predetermined third thresholding, it is determined that unit due to water shortage stop by failure
Machine.
Correspondingly, if TWater inlet- TWater inlet minDifference be less than predetermined third thresholding, then show that unit is touched due to other
Hair is shut down, and also needs to carry out other discriminatory analysis in this case.
Example IV: unit is refrigeration unit, as shown in Figure 6.
Step 601, after unit disorderly closedown, the water outlet of water-side heat given time before unit disorderly closedown is extracted
Temperature TWater outlet。
Step 602, it is minimum to extract leaving water temperature of the water-side heat within the specified time after unit disorderly closedown
Value TIt is discharged min。
Step 603, judge TWater outlet- TIt is discharged minDifference whether be not less than predetermined 4th thresholding.
Step 604, if TWater outlet- TIt is discharged minDifference be not less than predetermined 4th thresholding, it is determined that unit due to water shortage stop by failure
Machine.
Correspondingly, if TWater outlet- TIt is discharged minDifference be less than predetermined 4th thresholding, then show that unit is touched due to other
Hair is shut down, and also needs to carry out other discriminatory analysis in this case.
Fig. 7 is the schematic diagram of unit water shortage trouble-shooter one embodiment of the present invention.As shown in fig. 7, unit water shortage
Trouble-shooter includes extraction module 71 and fault diagnosis module 72, in which:
Extraction module 71 extracts first operation water of the water-side heat before unit disorderly closedown after unit disorderly closedown
Temperature, and the second operation water temperature after unit disorderly closedown.
Optionally, the first operation water temperature is the operation water temperature of water-side heat given time before unit disorderly closedown, the
Two operation water temperatures are operation water temperature extreme value of the water-side heat within the specified time after unit disorderly closedown.
Fault diagnosis module 72 according to first operation water temperature and second operation water temperature between the temperature difference, with determine unit whether because
Water shortage and disorderly closedown.
Optionally, in the case where unit is heating machine set, the first running temperature is that water-side heat stops in unit failure
The leaving water temperature of given time before machine, the second running temperature are specified time range of the water-side heat after unit disorderly closedown
Interior leaving water temperature maximum value.
Fault diagnosis module 72 can be not less than predetermined first thresholding in the difference of the second operation water temperature and the first operation water temperature
In the case where, determine unit disorderly closedown due to water shortage.
Optionally, in the case where unit is heating machine set, the first running temperature is that water-side heat stops in unit failure
The leaving water temperature of given time before machine, the second running temperature are specified time range of the water-side heat after unit disorderly closedown
Interior leaving water temperature maximum value.
Fault diagnosis module 72 can be not less than predetermined second thresholding in the difference of the second operation water temperature and the first operation water temperature
In the case where, determine unit disorderly closedown due to water shortage.
Optionally, in the case where unit is refrigeration unit, the first running temperature is that water-side heat stops in unit failure
The inflow temperature of given time before machine, the second running temperature are specified time range of the water-side heat after unit disorderly closedown
Interior inflow temperature minimum value.
Fault diagnosis module 72 can be not less than predetermined third thresholding in the difference of the first operation water temperature and the second operation water temperature
In the case where, determine unit disorderly closedown due to water shortage.
Optionally, in the case where unit is refrigeration unit, the first running temperature is that water-side heat stops in unit failure
The leaving water temperature of given time before machine, the second running temperature are specified time range of the water-side heat after unit disorderly closedown
Interior leaving water temperature minimum value.
Fault diagnosis module 72 can be not less than predetermined 4th thresholding in the difference of the first operation water temperature and the second operation water temperature
In the case where, determine unit disorderly closedown due to water shortage.
Based on the unit water shortage trouble-shooter that the above embodiment of the present invention provides, by extracting water-side heat in machine
The first operation water temperature before group disorderly closedown and the second operation water temperature after unit disorderly closedown, and according to the first operation water
It is mild second operation water temperature between the temperature difference come determine unit whether due to water shortage disorderly closedown.So as to quickly determine unit because lacking
Water and the reason of disorderly closedown, so as to for after sale or debugging provides help and quick response guidance.
Fig. 8 is the schematic diagram of another embodiment of unit water shortage trouble-shooter of the present invention.With embodiment illustrated in fig. 7 phase
Than in the embodiment shown in fig. 8, unit water shortage trouble-shooter further includes pushing module 73, in fault diagnosis module
72 determine that unit after disorderly closedown, pushes corresponding fault reason information due to water shortage for user.
It should be noted that unit water shortage trouble-shooter may be provided at unit local, long-range control may also be arranged on
Server.User can carry out personalized configuration as needed.
Fig. 9 is the schematic diagram of unit one embodiment of the present invention.In this embodiment, unit water shortage trouble-shooter is set
It sets in unit local.As shown in figure 9, unit includes temperature-detecting device 91, monitoring device 92 and unit water shortage fault diagnosis dress
Set 93.Wherein unit water shortage trouble-shooter 93 is the unit water shortage fault diagnosis dress that any embodiment is related in Fig. 7 or Fig. 8
It sets.
Temperature-detecting device 91 detects the operation water temperature of water-side heat, and will test result and be sent to unit water shortage failure
Diagnostic device.
Monitoring device 92 monitors set state, if unit disorderly closedown, to unit water shortage trouble-shooter transmitter
Group disorderly closedown notice.
Figure 10 is the schematic diagram of remote control server one embodiment of the present invention.As shown in Figure 10, in long-range control clothes
Business device 1001 in be provided with unit water shortage trouble-shooter 1002, wherein unit water shortage trouble-shooter 1002 be Fig. 7 or
The unit water shortage trouble-shooter that any embodiment is related in Fig. 8.
Figure 11 is the schematic diagram of unit water shortage fault diagnosis system one embodiment of the present invention.In this embodiment, unit
Water shortage trouble-shooter 1103 is arranged in remote control server 1102.Wherein unit water shortage trouble-shooter 1103 is
The unit water shortage trouble-shooter that any embodiment is related in Fig. 7 or Fig. 8.
Unit 1101 includes temperature-detecting device 1111 and monitoring device 1121, in which:
Temperature-detecting device 1111 detects the operation water temperature of water-side heat, and will test result and be sent to long-range control clothes
Business device.
Monitoring device 1121 monitors set state, if unit disorderly closedown, sends unit event to remote control server
Hinder stop notice.
Unit water shortage trouble-shooter 1103 in remote control server 1102 is according on temperature-detecting device 1111
Unit disorderly closedown that the testing result and monitoring device 1121 of report report notice, determine unit whether due to water shortage failure
It shuts down.
By in real time the present invention, can to unit whether due to water shortage disorderly closedown judges automatically, to effectively exclude
The suffered interference caused by subjective factors of artificial judgement, and can notify judging result in time, so as to for after sale or debugging provide help with
Quick response guidance.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (27)
1. a kind of unit water shortage method for diagnosing faults characterized by comprising
After unit disorderly closedown, first operation water temperature of the water-side heat before the unit disorderly closedown, Yi Ji are extracted
The second operation water temperature after the unit disorderly closedown；
According to the temperature difference between the first operation water temperature and the second operation water temperature, with the determination unit whether due to water shortage
Disorderly closedown；
Wherein, in the case where the unit is heating machine set, first running temperature is water-side heat in the unit
The inflow temperature of given time before disorderly closedown；
Second running temperature is water inlet temperature of the water-side heat within the specified time after the unit disorderly closedown
Spend maximum value.
2. the method according to claim 1, wherein further include:
It is that user pushes corresponding fault reason information after disorderly closedown determining the unit due to water shortage.
3. the method according to claim 1, wherein
The first operation water temperature is the operation water temperature of water-side heat given time before the unit disorderly closedown.
4. according to the method described in claim 3, it is characterized in that,
The second operation water temperature is operation water of the water-side heat within the specified time after the unit disorderly closedown
Warm extreme value.
5. method according to any of claims 1-4, which is characterized in that
According to the temperature difference between the first operation water temperature and the second operation water temperature, with the determination unit whether due to water shortage
Disorderly closedown includes:
If the difference of the second operation water temperature and the first operation water temperature is not less than predetermined first thresholding, it is determined that the machine
Group disorderly closedown due to water shortage.
6. method according to any of claims 1-4, which is characterized in that
In the case where the unit is heating machine set, first running temperature is that water-side heat stops in the unit failure
The leaving water temperature of given time before machine；
Second running temperature is that water-side heat goes out water temperature within the specified time after the unit disorderly closedown
Spend maximum value.
7. according to the method described in claim 6, it is characterized in that,
According to the temperature difference between the first operation water temperature and the second operation water temperature, with the determination unit whether due to water shortage
Disorderly closedown includes:
If the difference of the second operation water temperature and the first operation water temperature is not less than predetermined second thresholding, it is determined that the machine
Group disorderly closedown due to water shortage.
8. method according to any of claims 1-4, which is characterized in that
In the case where the unit is refrigeration unit, first running temperature is water-side heat before unit disorderly closedown
The inflow temperature of given time；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
9. according to the method described in claim 8, it is characterized in that,
According to the temperature difference between the first operation water temperature and the second operation water temperature, with the determination unit whether due to water shortage
Disorderly closedown includes:
If the difference of the first operation water temperature and the second operation water temperature is not less than predetermined third thresholding, it is determined that the machine
Group disorderly closedown due to water shortage.
10. method according to any of claims 1-4, which is characterized in that
In the case where the unit is refrigeration unit, first running temperature is that water-side heat stops in the unit failure
The leaving water temperature of given time before machine；
Second running temperature is that water-side heat goes out water temperature within the specified time after the unit disorderly closedown
Spend minimum value.
11. according to the method described in claim 10, it is characterized in that,
According to the temperature difference between the first operation water temperature and the second operation water temperature, with the determination unit whether due to water shortage
Disorderly closedown includes:
If the difference of the first operation water temperature and the second operation water temperature is not less than predetermined 4th thresholding, it is determined that the machine
Group disorderly closedown due to water shortage.
12. a kind of unit water shortage trouble-shooter characterized by comprising
Extraction module, for after unit disorderly closedown, extracting first fortune of the water-side heat before the unit disorderly closedown
Row water temperature, and the second operation water temperature after the unit disorderly closedown；
Fault diagnosis module, for running the temperature difference between water temperature according to the first operation water temperature and described second, to determine
State unit whether due to water shortage disorderly closedown；
Wherein, in the case where the unit is heating machine set, first running temperature is water-side heat in the unit
The inflow temperature of given time before disorderly closedown；
Second running temperature is water inlet temperature of the water-side heat within the specified time after the unit disorderly closedown
Spend maximum value.
13. device according to claim 12, which is characterized in that further include:
Pushing module, for determining that the unit after disorderly closedown, pushes corresponding due to water shortage for user in fault diagnosis module
Fault reason information.
14. device according to claim 12, which is characterized in that
The first operation water temperature is the operation water temperature of water-side heat given time before the unit disorderly closedown.
15. device according to claim 14, which is characterized in that
The second operation water temperature is operation water of the water-side heat within the specified time after the unit disorderly closedown
Warm extreme value.
16. device described in any one of 2-15 according to claim 1, which is characterized in that
Fault diagnosis module is used in the difference of the second operation water temperature and the first operation water temperature not less than predetermined first
In the case where thresholding, unit disorderly closedown due to water shortage is determined.
17. device described in any one of 2-15 according to claim 1, which is characterized in that
In the case where the unit is heating machine set, first running temperature is that water-side heat stops in the unit failure
The leaving water temperature of given time before machine；
Second running temperature is that water-side heat goes out water temperature within the specified time after the unit disorderly closedown
Spend maximum value.
18. device according to claim 17, which is characterized in that
Fault diagnosis module is used in the difference of the second operation water temperature and the first operation water temperature not less than predetermined second
In the case where thresholding, unit disorderly closedown due to water shortage is determined.
19. device described in any one of 2-15 according to claim 1, which is characterized in that
In the case where the unit is refrigeration unit, first running temperature is water-side heat before unit disorderly closedown
The inflow temperature of given time；
Second running temperature be inflow temperature of the water-side heat within the specified time after unit disorderly closedown most
Small value.
20. device according to claim 19, which is characterized in that
Fault diagnosis module is used to be not less than predetermined third in the difference of the first operation water temperature and the second operation water temperature
In the case where thresholding, unit disorderly closedown due to water shortage is determined.
21. device described in any one of 2-15 according to claim 1, which is characterized in that
In the case where the unit is refrigeration unit, first running temperature is that water-side heat stops in the unit failure
The leaving water temperature of given time before machine；
Second running temperature is that water-side heat goes out water temperature within the specified time after the unit disorderly closedown
Spend minimum value.
22. device according to claim 21, which is characterized in that
Fault diagnosis module is used in the difference of the first operation water temperature and the second operation water temperature not less than the predetermined 4th
In the case where thresholding, unit disorderly closedown due to water shortage is determined.
23. a kind of unit water shortage trouble-shooter, comprising:
Memory is configured as store instruction；
Processor, is coupled to memory, and the instruction execution that processor is configured as storing based on memory realizes such as claim
Method described in any one of 1-11.
24. a kind of unit characterized by comprising
Unit water shortage trouble-shooter as described in any one of claim 12-23；
Temperature-detecting device for detecting the operation water temperature of water-side heat, and will test result and be sent to the unit water shortage
Trouble-shooter；
Monitoring device, if unit disorderly closedown, is sent for monitoring set state to the unit water shortage trouble-shooter
Unit disorderly closedown notice.
25. a kind of remote control server characterized by comprising
Unit water shortage trouble-shooter as described in any one of claim 12-23.
26. a kind of unit water shortage fault diagnosis system characterized by comprising
Remote control server as claimed in claim 25；
Unit, including temperature-detecting device and monitoring device, in which:
Temperature-detecting device for detecting the operation water temperature of water-side heat, and will test result and be sent to remote control service
Device；
Monitoring device, if unit disorderly closedown, sends unit failure to remote control server and stops for monitoring set state
Machine notice.
27. a kind of computer readable storage medium, wherein computer-readable recording medium storage has computer instruction, instructs quilt
Such as method of any of claims 1-11 is realized when processor executes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710414040.4A CN107247452B (en) | 2017-06-05 | 2017-06-05 | Unit water shortage method for diagnosing faults, device and system |
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| CN201710414040.4A CN107247452B (en) | 2017-06-05 | 2017-06-05 | Unit water shortage method for diagnosing faults, device and system |
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| CN107247452B true CN107247452B (en) | 2019-07-26 |
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| CN1979063B (en) * | 2005-12-02 | 2010-05-12 | 深圳麦克维尔空调有限公司 | Anti-freezing method of air conditioner |
| CN101476777A (en) * | 2009-01-17 | 2009-07-08 | 东莞市康源节能科技有限公司 | Heat pump water heating machine and its operating control method |
| CN102734937B (en) * | 2011-04-08 | 2014-06-11 | 珠海格力电器股份有限公司 | Control method of water heater system and water heater utilizing control method |
| CN103256689B (en) * | 2013-05-28 | 2016-03-02 | 李智华 | Integrating water route protector |
| CN204555465U (en) * | 2014-12-22 | 2015-08-12 | Tcl空调器(中山)有限公司 | Handpiece Water Chilling Units and air-conditioner |
| CN104764146A (en) * | 2015-03-23 | 2015-07-08 | 广东美的暖通设备有限公司 | Control method, device and system for achieving water-side heat exchanger freeze-proofing protection |
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