CN104595568B - The detection method and device of air-conditioning water valve - Google Patents
The detection method and device of air-conditioning water valve Download PDFInfo
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- CN104595568B CN104595568B CN201410834042.5A CN201410834042A CN104595568B CN 104595568 B CN104595568 B CN 104595568B CN 201410834042 A CN201410834042 A CN 201410834042A CN 104595568 B CN104595568 B CN 104595568B
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- temperature
- water valve
- air
- surface cooler
- conditioning water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of detection method and device of air-conditioning water valve.Wherein, the detection method of the air-conditioning water valve includes：Obtain the current state of air-conditioning water valve；Detect the temperature and environment temperature of surface cooler in air conditioner；The state of air-conditioning water valve is calculated according to the temperature of surface cooler and environment temperature, obtains result of calculation；Judge whether result of calculation is consistent with current state；And if result of calculation is inconsistent with current state, it is determined that air-conditioning water valve failure.By the present invention, solve the problems, such as can not to detect in the prior art air-conditioning water valve whether failure, reached the effect of detection air-conditioning water valve failure.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of detection method and device of air-conditioning water valve.
Background technology
Central air conditioner end air disk project installation air-conditioning water valve can realize accurate control indoor environment temperature at present.But
Air-conditioning water valve is a moving component, and it receives the control of microcomputer controller, and its practical working situation can not be fed directly to
Controller, it is not easy to be found after air-conditioning water valve failure, influences the use of user.
For can not detect in the prior art air-conditioning water valve whether failure the problem of, not yet propose effective solution party at present
Case.
The content of the invention
It is a primary object of the present invention to provide a kind of detection method and device of air-conditioning water valve, to solve in the prior art
Can not detect dynamoelectric water valve whether failure the problem of.
To achieve these goals, a kind of one side according to embodiments of the present invention, there is provided detection of air-conditioning water valve
Method.Included according to the detection method of the air-conditioning water valve of the present invention：Obtain the current state of air-conditioning water valve；Detect table in air conditioner
The temperature and environment temperature of cooler；The shape of the air-conditioning water valve is calculated according to the temperature of the surface cooler and the environment temperature
State, obtain result of calculation；Judge whether the result of calculation is consistent with the current state；And if the result of calculation with
The current state is inconsistent, it is determined that the air-conditioning water valve failure.
Further, judge whether the result of calculation unanimously includes with the current state：It is in the current state
During closing, judge whether the result of calculation indicates that the air-conditioning water valve is closed；If the result of calculation instruction
The air-conditioning water valve is in the closed mode, then controls the air-conditioning water valve to open；When the current state is opens, sentence
Whether the result of calculation of breaking indicates whether the current state is in opening；Work as if the result of calculation instruction is described
Preceding state is in opening, it is determined that the air-conditioning water valve is normal；And if the result of calculation indicates the current shape
State is closed, it is determined that the air-conditioning water valve is abnormal.
Further, the current state calculates institute to close according to the temperature of the surface cooler and the environment temperature
The state of air-conditioning water valve is stated, obtaining result of calculation includes：Detect the temperature of the surface cooler of first scheduled time and the ring
Border temperature；Judge whether the temperature of the surface cooler and the temperature difference of the environment temperature are more than the first preset temperature；It is if described
The temperature difference of the temperature of surface cooler and the environment temperature is less than or equal to first preset temperature, then controls the air-conditioning water valve to open
Open；If the temperature difference of the temperature of the surface cooler and the environment temperature is more than first preset temperature, it is determined that the sky
Water adjusting valve is in normally open；Export the abnormal prompt message of the air-conditioning water valve.
Further, it is more than described first in the temperature difference for judging the temperature of the surface cooler and the environment temperature to preset
After temperature, methods described also includes：Determine that the refrigerant of the air conditioner provides normally.
Further, the current state calculates institute to open according to the temperature of the surface cooler and the environment temperature
The state of air-conditioning water valve is stated, obtaining result of calculation includes：Detect the temperature of the surface cooler of second scheduled time and the ring
Border temperature；Judge whether the temperature of the surface cooler and the temperature difference of the environment temperature are more than the second preset temperature；If it is determined that
The temperature difference of the temperature and the environment temperature that go out the surface cooler is more than second preset temperature, it is determined that the air-conditioning water valve
Normally；If it is judged that the temperature difference of the temperature of the surface cooler and the environment temperature is less than or equal to second preset temperature,
Then determine that the air-conditioning water valve is abnormal or the refrigerant of the air conditioner provide it is abnormal；Export the abnormal prompting of the air-conditioning water valve
Information.
To achieve these goals, a kind of another aspect according to embodiments of the present invention, there is provided detection of air-conditioning water valve
Device.Included according to the detection means of the air-conditioning water valve of the present invention：Acquiring unit, for obtaining the current state of air-conditioning water valve；
Detection unit, for detecting the temperature and environment temperature of surface cooler in air conditioner；Computing unit, for according to the surface cooler
Temperature and the environment temperature calculate the state of the air-conditioning water valve, obtain result of calculation；Judging unit, by judge it is described based on
Calculate result and whether the current state is consistent；And determining unit, in the result of calculation and the current state not
When consistent, the air-conditioning water valve failure is determined.
Further, the judging unit includes：First judge module, for when the current state is closes, sentencing
Whether the result of calculation of breaking indicates that the air-conditioning water valve is closed；First control module, for calculating knot described
When fruit indicates that the air-conditioning water valve is in the closed mode, the air-conditioning water valve is controlled to open；Second judge module, for
When the current state is opens, judge whether the result of calculation indicates whether the current state is in opening；The
One determining module, for when the result of calculation indicates that the current state is in opening, determining the air-conditioning water valve
Normally；And when the result of calculation indicates that the current state is closed, determine that the air-conditioning water valve is abnormal.
Further, to close, the computing unit includes the current state：The detection unit is used to detect first
The temperature and the environment temperature of the surface cooler of the scheduled time；The computing unit is used for the temperature for calculating the surface cooler
With the temperature difference of the environment temperature；The judging unit is used to judge the temperature of the surface cooler and the temperature difference of the environment temperature
Whether the first preset temperature is more than；The determining unit is used for small in the temperature of the surface cooler and the temperature difference of the environment temperature
When equal to first preset temperature, the air-conditioning water valve is controlled to open；Temperature and the environment temperature in the surface cooler
When the temperature difference of degree is more than first preset temperature, determine that the air-conditioning water valve is in normally open；Export the air-conditioning water valve
Abnormal prompt message.
Further, described device also includes：Second determining module, for judging the temperature of the surface cooler and institute
The temperature difference for stating environment temperature is more than after first preset temperature, determines that the refrigerant of the air conditioner provides normally.
Further, for the current state to open, the detection unit is used for the table for detecting for second scheduled time
The temperature of cooler and the environment temperature；The computing unit is used to calculate the temperature of the surface cooler and the environment temperature
The temperature difference；Whether the temperature difference that the judging unit is used for the temperature and environment temperature for judging the surface cooler is default more than second
Temperature；The determining unit is used to be more than described second in the temperature difference for judging the temperature of the surface cooler and the environment temperature
During preset temperature, determine that the air-conditioning water valve is normal；Judging the temperature difference of the temperature of the surface cooler and the environment temperature
During less than or equal to second preset temperature, determine that the air-conditioning water valve is abnormal or the refrigerant of the air conditioner provide it is abnormal；
Export the abnormal prompt message of the air-conditioning water valve.
According to inventive embodiments, by the current state for obtaining air-conditioning water valve；Detect air conditioner in surface cooler temperature and
Environment temperature；The state of air-conditioning water valve is calculated according to the temperature of surface cooler and environment temperature, obtains result of calculation；Judge to calculate knot
Whether fruit is consistent with current state；And if result of calculation is inconsistent with current state, it is determined that air-conditioning water valve failure, refrigerant
The temperature of surface cooler and then adjusting ambient temperature can be adjusted, and water valve control chilled water enters surface cooler, therefore, passes through and compares
The temperature difference between the temperature and environment temperature of surface cooler may determine that whether water valve breaks down, and can also judge that the refrigerant of air-conditioning supplies
To whether normal, so as to solve the problems, such as not detecting in the prior art air-conditioning water valve whether failure, reached detection air-conditioning
The effect of water valve failure.In addition, the opening and closing of water valve all detect the temperature and environment temperature of surface cooler in air-conditioning work
Between the temperature difference, it is possible to increase judge the accuracy of water valve failure.
Brief description of the drawings
The accompanying drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of air-conditioner set according to embodiments of the present invention；
Fig. 2 is the flow chart of the detection method of air-conditioning water valve according to embodiments of the present invention；And
Fig. 3 is the schematic diagram of the detection means of air-conditioning water valve according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
The embodiments of the invention provide a kind of detection method of air-conditioning water valve.The detection method of the air-conditioning water valve can utilize
The temperature of surface cooler and the temperature difference of environment temperature detect whether air-conditioning water valve is in normal condition, when detecting air-conditioning water valve
During abnormal state, air-conditioning water valve can be overhauled in time.Fig. 1 shows the structure of the end unit of air-conditioning.Such as Fig. 1 institutes
Showing, the air-conditioning includes water inlet pipe 1, return pipe 2 and end machine, wherein, end machine includes water valve 3, surface cooler 4 and controller 5.
Pipe temperature sensor 6 is set on surface cooler 4, for detecting the temperature of surface cooler 4；Environment temperature sensor 7 is additionally provided with simultaneously, is used
In detection room temperature.Pipe temperature sensor 6 and environment temperature sensor 7 are connected with controller 5, and controller 5 obtains pipe temperature sensing
The temperature that device 6 and environment temperature sensor 7 detect, and the temperature of pipe temperature sensor 6 and environment temperature sensor 7 is carried out pair
Than obtaining testing result, and judge whether water valve 3 is normal according to result.
Fig. 2 is the flow chart of the detection method of air-conditioning water valve according to embodiments of the present invention.As shown in Fig. 2 the air conditioner water
The detection method of valve comprises the following steps：
Step S202, obtain the current state of air-conditioning water valve.
Step S204, detect the temperature and environment temperature of surface cooler in air conditioner.
Step S206, the state of air-conditioning water valve is calculated according to the temperature of surface cooler and environment temperature, obtains result of calculation.
Step S208, judge whether result of calculation is consistent with current state.
Step S210, if result of calculation is inconsistent with current state, it is determined that air-conditioning water valve failure.
The state of air-conditioning water valve includes opening and closing, and air-conditioning is calculated by detecting temperature and the environment temperature of surface cooler
The state of water valve, air-conditioning is by the heat absorption or heat release of surface cooler come adjusting ambient temperature, and air-conditioning water valve can control entrance
The refrigerant of surface cooler, therefore, the state of air-conditioning water valve can be judged according to the temperature difference of the temperature of surface cooler and environment temperature.By
There is the current state of free water adjusting valve in the closing of the unlatching of controller control water valve, that is, controller record, work as result of calculation
When the state of shown water valve and the inconsistent current state of controller record, illustrate water valve failure.It is existing so as to solve
Can not be detected in technology air-conditioning water valve whether failure the problem of, reached detection air-conditioning water valve failure effect.
Preferably, when current state is closes, judge whether result of calculation unanimously includes with current state：Judge to calculate
As a result whether indicate that air-conditioning water valve is closed.If result of calculation instruction air-conditioning water valve is closed, control
Air-conditioning water valve is opened.When current state is opens, judge whether result of calculation indicates whether current state is in opening.
If result of calculation instruction current state is in opening, it is determined that air-conditioning water valve is normal.And if result of calculation indicates
Current state is closed, it is determined that air-conditioning water valve is abnormal.
When controller control water valve is closed, the temperature and environment temperature of surface cooler are detected, and judge the temperature of surface cooler
Whether indicate that air-conditioning water valve is closed with the temperature difference of environment temperature, if testing result instruction air-conditioning water valve is not on
Closed mode, it is determined that water valve failure.If be closed really, controller can control water valve to open, and control
Gate valve detects the temperature of surface cooler and the temperature difference of environment temperature after opening, and judges the temperature of surface cooler and the temperature difference of environment temperature
Whether indicate that water valve is in opening, if water valve is in opening really, it is determined that air-conditioning water valve is normal, otherwise, recognizes
For air-conditioning water valve failure.
That is, after when controlling water valve to close, detection outlet valve is closed, control water valve is opened, and water valve is opened in detection
Whether the temperature of rear surface cooling device and the temperature difference of environment temperature indicate that water valve is opened, and determine the temperature of surface cooler and the temperature of environment temperature
After difference instruction water valve is opened, determine that water valve does not have failure.Using air-conditioning in the course of the work the closing of water valve and opening come
Detect water valve whether failure, water valve close and unlatching be in normal condition when just think that water valve does not have failure, improve inspection
The accuracy of water valve failure is surveyed, and detection process does not influence the normal use of air-conditioning.
Specifically, current state judges the state of air-conditioning water valve according to the temperature of surface cooler and environment temperature, obtained to close
Include to result of calculation：Detect the temperature and environment temperature of the surface cooler of first scheduled time.Judge the temperature and ring of surface cooler
Whether the temperature difference of border temperature is more than the first preset temperature.If the temperature of surface cooler and the temperature difference of environment temperature are less than or equal to first
Preset temperature, then air-conditioning water valve is controlled to open.If the temperature of surface cooler and the temperature difference of environment temperature are more than the first preset temperature,
Then determine that air-conditioning water valve is in normally open.Export the abnormal prompt message of air-conditioning water valve.
When water valve is closed, the temperature and environment temperature for meeting detection surface cooler compare after 2 minutes this two
The temperature difference of person, if the temperature difference between the temperature and environment temperature of surface cooler is more than 10 degrees Celsius, it can determine that refrigerant is supplied
Normal or water valve is in normally opened malfunction.Because refrigerant just causes surface cooler heat absorption or heat release to adjust in surface cooler
Environment temperature is saved, i.e. refrigerant supply normally can just cause the temperature of surface cooler different from environment temperature, but the shape that water valve is closed
State should not have refrigerant to enter surface cooler and cause the temperature of surface cooler and room temperature to have the temperature difference, therefore, when judging surface cooler
When the temperature difference between temperature and environment temperature is more than the first preset temperature, determine that refrigerant supplies normal and air-conditioning water valve failure, and
Export the prompt message of water valve failure.
Specifically, current state judges the state of air-conditioning water valve according to the temperature of surface cooler and environment temperature, obtained to open
Include to result of calculation：Detect the temperature and environment temperature of the surface cooler of second scheduled time.Judge the temperature and ring of surface cooler
Whether the temperature difference of border temperature is more than the second preset temperature.If it is judged that the temperature of surface cooler and the temperature difference of environment temperature are more than the
Two preset temperatures, it is determined that air-conditioning water valve is normal.If it is judged that the temperature of surface cooler and the temperature difference of environment temperature are less than or equal to
Second preset temperature, it is determined that the refrigerant of air-conditioning water valve exception or air conditioner provides abnormal.Output air-conditioning water valve is abnormal to be carried
Show information.
When water valve is in opening, after the temperature and environment temperature 1 minute of detection surface cooler is met, compare this two
The temperature difference between person, if the temperature difference between the temperature and environment temperature of surface cooler is more than 5 degrees Celsius, water valve work can be determined
Make normally, otherwise to judge that water valve failure can not be opened or refrigerant supply is abnormal, send the prompting letter for checking refrigerant or water valve
Breath.
Heat absorption or radiating adjusting ambient temperature of the surface cooler by refrigerant, after water valve unlatching, if water valve is normally beaten
Open and refrigerant supply is normal, the temperature difference that can be between adjusting ambient temperature and the temperature of surface cooler becomes big, therefore, when the temperature of surface cooler
When the temperature difference between degree and environment temperature is more than 5 degrees Celsius, determine that water valve is working properly.
By above-described embodiment, refrigerant can adjust the temperature of surface cooler and then adjusting ambient temperature, and water valve control it is cold
Matchmaker's water enters surface cooler, therefore, whether water valve is may determine that by the temperature difference compared between the temperature of surface cooler and environment temperature
Break down, can also judge whether the refrigerant supply of air-conditioning is normal, air-conditioning water valve can not be detected in the prior art so as to solve
Whether failure the problem of, reached detection air-conditioning water valve failure effect.In addition, in air-conditioning work water valve opening and closing
All detect the temperature difference between the temperature and environment temperature of surface cooler, it is possible to increase judge the accuracy of water valve failure.
The embodiment of the present invention additionally provides a kind of detection means of air-conditioning water valve.The inspection of the air-conditioning water valve of the embodiment of the present invention
Survey the detection method that device can be used for performing the air-conditioning water valve that the embodiment of the present invention is provided, the air conditioner water of the embodiment of the present invention
The detection method of valve can also be performed by the detection means for the air-conditioning water valve that the embodiment of the present invention is provided.
Fig. 3 is the schematic diagram of the detection means of air-conditioning water valve according to embodiments of the present invention.As shown in figure 3, the air conditioner water
The detection means of valve includes：Acquiring unit 10, detection unit 30, computing unit 50, judging unit 70 and determining unit 90.
Acquiring unit 10 is used for the current state for obtaining air-conditioning water valve.
Detection unit 30 is used for the temperature and environment temperature for detecting surface cooler in air conditioner.
Computing unit 50 is used for the state that air-conditioning water valve is calculated according to the temperature and environment temperature of surface cooler, obtains calculating knot
Fruit.
Judging unit 70 is used to judge whether result of calculation is consistent with current state.
Determining unit 90 is used to, when result of calculation and current state are inconsistent, determine air-conditioning water valve failure.
The state of air-conditioning water valve includes opening and closing, and air-conditioning is calculated by detecting temperature and the environment temperature of surface cooler
The state of water valve, air-conditioning is by the heat absorption or heat release of surface cooler come adjusting ambient temperature, and air-conditioning water valve can control entrance
The refrigerant of surface cooler, therefore, the state of air-conditioning water valve can be judged according to the temperature difference of the temperature of surface cooler and environment temperature.By
There is the current state of free water adjusting valve in the closing of the unlatching of controller control water valve, that is, controller record, work as result of calculation
When the state of shown water valve and the inconsistent current state of controller record, illustrate water valve failure.It is existing so as to solve
Can not be detected in technology air-conditioning water valve whether failure the problem of, reached detection air-conditioning water valve failure effect.
Preferably, judging unit includes：First judge module, for when current state is closes, judging result of calculation
Whether indicate that air-conditioning water valve is closed；First control module, closed for being in result of calculation instruction air-conditioning water valve
During state, control air-conditioning water valve is opened；Second judge module, for when current state is opens, whether judging result of calculation
Whether instruction current state is in opening；First determining module, opened for being in result of calculation instruction current state
During state, determine that air-conditioning water valve is normal；And when result of calculation instruction current state is closed, determine air-conditioning water valve
It is abnormal.
When controller control water valve is closed, the temperature and environment temperature of surface cooler are detected, and judge the temperature of surface cooler
Whether indicate that air-conditioning water valve is closed with the temperature difference of environment temperature, if testing result instruction air-conditioning water valve is not on
Closed mode, it is determined that water valve failure.If be closed really, controller can control water valve to open, and control
Gate valve detects the temperature of surface cooler and the temperature difference of environment temperature after opening, and judges the temperature of surface cooler and the temperature difference of environment temperature
Whether indicate that water valve is in opening, if water valve is in opening really, it is determined that air-conditioning water valve is normal, otherwise, recognizes
For air-conditioning water valve failure.
That is, after when controlling water valve to close, detection outlet valve is closed, control water valve is opened, and water valve is opened in detection
Whether the temperature of rear surface cooling device and the temperature difference of environment temperature indicate that water valve is opened, and determine the temperature of surface cooler and the temperature of environment temperature
After difference instruction water valve is opened, determine that water valve does not have failure.Using air-conditioning in the course of the work the closing of water valve and opening come
Detect water valve whether failure, water valve close and unlatching be in normal condition when just think that water valve does not have failure, improve inspection
The accuracy of water valve failure is surveyed, and detection process does not influence the normal use of air-conditioning.
Specifically, for current state to close, detection unit is used for the temperature and ring for detecting the surface cooler of first scheduled time
Border temperature；Computing unit is used to calculate the temperature of surface cooler and the temperature difference of environment temperature；Judging unit is used to judge surface cooler
Whether the temperature difference of temperature and environment temperature is more than the first preset temperature；Determining unit is used for temperature and environment temperature in surface cooler
Temperature difference when being less than or equal to the first preset temperature, control air-conditioning water valve is opened；In the temperature of surface cooler and the temperature difference of environment temperature
During more than the first preset temperature, determine that air-conditioning water valve is in normally open；Export the abnormal prompt message of air-conditioning water valve.
When water valve is closed, the temperature and environment temperature for meeting detection surface cooler compare after 2 minutes this two
The temperature difference of person, if the temperature difference between the temperature and environment temperature of surface cooler is more than 10 degrees Celsius, it can determine that refrigerant is supplied
Normal or water valve is in normally opened malfunction.Because refrigerant just causes surface cooler heat absorption or heat release to adjust in surface cooler
Environment temperature is saved, i.e. refrigerant supply normally can just cause the temperature of surface cooler different from environment temperature, but the shape that water valve is closed
State should not have refrigerant to enter surface cooler and cause the temperature of surface cooler and room temperature to have the temperature difference, therefore, when judging surface cooler
When the temperature difference between temperature and environment temperature is more than the first preset temperature, determine that refrigerant supplies normal and air-conditioning water valve failure, and
Export the prompt message of water valve failure.
Specifically, for current state to open, detection unit is used for the temperature and ring for detecting the surface cooler of second scheduled time
Border temperature；Computing unit is used to calculate the temperature of surface cooler and the temperature difference of environment temperature；Judging unit is used to judge surface cooler
Whether the temperature difference of temperature and environment temperature is more than the second preset temperature；Determining unit is used to judge the temperature and ring of surface cooler
When the temperature difference of border temperature is more than the second preset temperature, determine that air-conditioning water valve is normal；Judging the temperature of surface cooler and environment temperature
When the temperature difference of degree is less than or equal to the second preset temperature, determine that the refrigerant of air-conditioning water valve exception or air conditioner provides exception；Output
The abnormal prompt message of air-conditioning water valve.
When water valve is in opening, after the temperature and environment temperature 1 minute of detection surface cooler is met, compare this two
The temperature difference between person, if the temperature difference between the temperature and environment temperature of surface cooler is more than 5 degrees Celsius, water valve work can be determined
Make normally, otherwise to judge that water valve failure can not be opened or refrigerant supply is abnormal, send the prompting letter for checking refrigerant or water valve
Breath.
Heat absorption or radiating adjusting ambient temperature of the surface cooler by refrigerant, after water valve unlatching, if water valve is normally beaten
Open and refrigerant supply is normal, the temperature difference that can be between adjusting ambient temperature and the temperature of surface cooler becomes big, therefore, when the temperature of surface cooler
When the temperature difference between degree and environment temperature is more than 5 degrees Celsius, determine that water valve is working properly.
By above-described embodiment, refrigerant can adjust the temperature of surface cooler and then adjusting ambient temperature, and water valve control it is cold
Matchmaker's water enters surface cooler, therefore, whether water valve is may determine that by the temperature difference compared between the temperature of surface cooler and environment temperature
Break down, can also judge whether the refrigerant supply of air-conditioning is normal, air-conditioning water valve can not be detected in the prior art so as to solve
Whether failure the problem of, reached detection air-conditioning water valve failure effect.In addition, in air-conditioning work water valve opening and closing
All detect the temperature difference between the temperature and environment temperature of surface cooler, it is possible to increase judge the accuracy of water valve failure.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.The unit illustrated as separating component can be with
It is or may not be physically separate, can is as the part that unit is shown or may not be physical location,
A place can be located at, or can also be distributed on multiple NEs.It can select according to the actual needs wherein
Some or all of unit realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, mobile terminal, server or network equipment etc.) performs side described in each embodiment of the present invention
The all or part of step of method.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various to be stored
The medium of program code.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. detection method of air-conditioning water valve, it is characterised in that including：Obtain the current state of air-conditioning water valve；Detect the temperature and environment temperature of surface cooler in air conditioner；The state of the air-conditioning water valve is calculated according to the temperature of the surface cooler and the environment temperature, obtains result of calculation；Judge whether the result of calculation is consistent with the current state；AndIf the result of calculation and the current state are inconsistent, it is determined that the air-conditioning water valve failure.
- 2. according to the method for claim 1, it is characterised in that judge the result of calculation and the current state whether one Cause includes：When the current state is closes, judge whether the result of calculation indicates that the air-conditioning water valve is closed；If the result of calculation indicates that the air-conditioning water valve is in the closed mode, the air-conditioning water valve is controlled to open；When the current state is opens, judge whether the result of calculation indicates whether the current state is in opening state State；If the result of calculation indicates that the current state be in opening, it is determined that the result of calculation with it is described currently State consistency；AndIf the result of calculation indicates that the current state is closed, it is determined that the result of calculation with it is described current State is inconsistent.
- 3. according to the method for claim 1, it is characterised in that the current state is closes, according to the surface cooler Temperature and the environment temperature calculate the state of the air-conditioning water valve, obtain result of calculation, judge the result of calculation with it is described Whether current state is consistent, if the result of calculation and the current state are inconsistent, it is determined that the air-conditioning water valve failure, Including：Detect the temperature of the surface cooler of first scheduled time and the environment temperature；Judge whether the temperature of the surface cooler and the temperature difference of the environment temperature are more than the first preset temperature；If the temperature difference of the temperature of the surface cooler and the environment temperature is less than or equal to first preset temperature, institute is controlled State the unlatching of air-conditioning water valve；If the temperature difference of the temperature of the surface cooler and the environment temperature is more than first preset temperature, it is determined that the sky Water adjusting valve is in normally open；Export the abnormal prompt message of the air-conditioning water valve.
- 4. according to the method for claim 3, it is characterised in that judging the temperature of the surface cooler and the environment temperature The temperature difference of degree is more than after first preset temperature, and methods described also includes：Determine that the refrigerant of the air conditioner provides normally.
- 5. according to the method for claim 1, it is characterised in that the current state is opens, according to the surface cooler Temperature and the environment temperature calculate the state of the air-conditioning water valve, obtain result of calculation, judge the result of calculation with it is described Whether current state is consistent, if the result of calculation and the current state are inconsistent, it is determined that the air-conditioning water valve failure, Including：Detect the temperature of the surface cooler of second scheduled time and the environment temperature；Judge whether the temperature of the surface cooler and the temperature difference of the environment temperature are more than the second preset temperature；If it is judged that the temperature difference of the temperature of the surface cooler and the environment temperature is more than second preset temperature, it is determined that The air-conditioning water valve is normal；If it is judged that the temperature difference of the temperature of the surface cooler and the environment temperature is less than or equal to second preset temperature, then Determine that the air-conditioning water valve is abnormal or the refrigerant of the air conditioner provide it is abnormal；Export the abnormal prompt message of the air-conditioning water valve.
- A kind of 6. detection means of air-conditioning water valve, it is characterised in that including：Acquiring unit, for obtaining the current state of air-conditioning water valve；Detection unit, for detecting the temperature and environment temperature of surface cooler in air conditioner；Computing unit, the state of the air-conditioning water valve is calculated for the temperature according to the surface cooler and the environment temperature, is obtained To result of calculation；Judging unit, for judging whether the result of calculation is consistent with the current state；AndDetermining unit, for when the result of calculation and the current state are inconsistent, determining the air-conditioning water valve failure.
- 7. device according to claim 6, it is characterised in that the judging unit includes：First judge module, for when the current state is closes, judging whether the result of calculation indicates the air-conditioning Water valve is closed；First control module, for when the result of calculation indicates that the air-conditioning water valve is in the closed mode, controlling institute State the unlatching of air-conditioning water valve；Second judge module, for when the current state is opens, it is described current to judge whether the result of calculation indicates Whether state is in opening；First determining module, for when the result of calculation indicates that the current state is in opening, determining the meter It is consistent with the current state to calculate result；And when the result of calculation indicates that the current state is closed, really The fixed result of calculation and the current state are inconsistent.
- 8. device according to claim 6, it is characterised in that the current state is closing,The detection unit is used to detect the temperature of the surface cooler of first scheduled time and the environment temperature；The computing unit is used to calculate the temperature of the surface cooler and the temperature difference of the environment temperature；Whether the temperature difference that the judging unit is used for the temperature and environment temperature for judging the surface cooler is default more than first Temperature；The determining unit is used for pre- less than or equal to described first in the temperature of the surface cooler and the temperature difference of the environment temperature If during temperature, the air-conditioning water valve is controlled to open；It is more than in the temperature of the surface cooler and the temperature difference of the environment temperature described During the first preset temperature, determine that the air-conditioning water valve is in normally open；Export the abnormal prompt message of the air-conditioning water valve.
- 9. device according to claim 8, it is characterised in that described device also includes：Second determining module, for being more than described first in the temperature difference for judging the temperature of the surface cooler and the environment temperature After preset temperature, determine that the refrigerant of the air conditioner provides normally.
- 10. device according to claim 6, it is characterised in that the current state is unlatching,The detection unit is used to detect the temperature of the surface cooler of second scheduled time and the environment temperature；The computing unit is used to calculate the temperature of the surface cooler and the temperature difference of the environment temperature；Whether the temperature difference that the judging unit is used for the temperature and environment temperature for judging the surface cooler is default more than second Temperature；The determining unit is used to be more than described second in the temperature difference for judging the temperature of the surface cooler and the environment temperature During preset temperature, determine that the air-conditioning water valve is normal；Judging the temperature difference of the temperature of the surface cooler and the environment temperature During less than or equal to second preset temperature, determine that the air-conditioning water valve is abnormal or the refrigerant of the air conditioner provide it is abnormal； Export the abnormal prompt message of the air-conditioning water valve.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105115098B (en) * | 2015-07-20 | 2018-02-02 | 广东美的暖通设备有限公司 | A kind of method and system of automatic detection fan coil pipe temperature sensor installation site |
| CN107191658A (en) * | 2017-06-09 | 2017-09-22 | 北京万世明科技发展有限公司 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
| CN109163415B (en) * | 2018-07-23 | 2020-12-08 | 成都慧云阵信息技术有限公司 | Debugging method, fault diagnosis method and operation optimization method for central air conditioning water system |
| CN115711455A (en) * | 2022-11-14 | 2023-02-24 | 珠海格力电器股份有限公司 | Fault detection method and device for air conditioner chilled water valve, air conditioner and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1508752A1 (en) * | 2003-08-22 | 2005-02-23 | Chi-Seng Huang | Thermohygrostat-type air conditioner with means for controlling evaporation temperature |
| JP2005257166A (en) * | 2004-03-11 | 2005-09-22 | Toshiba Corp | Air conditioner control system and air conditioner control method |
| CN101957045A (en) * | 2010-09-10 | 2011-01-26 | 深圳麦克维尔空调有限公司 | Method for automatically adjusting cooling water flow of air conditioning unit |
| CN102967450A (en) * | 2012-10-23 | 2013-03-13 | 宁波奥克斯电气有限公司 | Method for detecting whether outdoor unit check valve of split type air conditioning unit is installed reversely |
| CN103104962A (en) * | 2013-02-27 | 2013-05-15 | 四川长虹空调有限公司 | Method for detecting four-way valve of air-conditioner |
| CN103575514A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner and detection method and device thereof |
-
2014
- 2014-12-25 CN CN201410834042.5A patent/CN104595568B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1508752A1 (en) * | 2003-08-22 | 2005-02-23 | Chi-Seng Huang | Thermohygrostat-type air conditioner with means for controlling evaporation temperature |
| JP2005257166A (en) * | 2004-03-11 | 2005-09-22 | Toshiba Corp | Air conditioner control system and air conditioner control method |
| CN101957045A (en) * | 2010-09-10 | 2011-01-26 | 深圳麦克维尔空调有限公司 | Method for automatically adjusting cooling water flow of air conditioning unit |
| CN103575514A (en) * | 2012-07-26 | 2014-02-12 | 珠海格力电器股份有限公司 | Air conditioner and detection method and device thereof |
| CN102967450A (en) * | 2012-10-23 | 2013-03-13 | 宁波奥克斯电气有限公司 | Method for detecting whether outdoor unit check valve of split type air conditioning unit is installed reversely |
| CN103104962A (en) * | 2013-02-27 | 2013-05-15 | 四川长虹空调有限公司 | Method for detecting four-way valve of air-conditioner |
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