CN107202424A - Water tank pressure detection method and device, water heater, storage medium and processor - Google Patents
Water tank pressure detection method and device, water heater, storage medium and processor Download PDFInfo
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- CN107202424A CN107202424A CN201710232318.6A CN201710232318A CN107202424A CN 107202424 A CN107202424 A CN 107202424A CN 201710232318 A CN201710232318 A CN 201710232318A CN 107202424 A CN107202424 A CN 107202424A
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- water tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000000052 comparative effect Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009781 safety test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a pressure detection method and device for a water tank, a water heater, a storage medium and a processor. Wherein, the method comprises the following steps: acquiring a stress value of an inner container in a water tank; comparing the stress value with the allowable stress of the inner container to obtain a first comparison result; and controlling the unit where the water tank is located to be opened and closed according to the first comparison result.
Description
Technical field
The present invention relates to water tank safety testing field, pressure detection method and device in particular to a kind of water tank,
Water heater, storage medium, processor.
Background technology
Current water-heater water tank is generally press-bearing water tank, and press-bearing water tank has certain pressure-bearing limit.Water tank inlet with from
Carry out water pipe connection, first have to bear the pressure of running water, secondly, in the case of being closed in water side, water tank is in water heating process
In, with the continuous rise of water temperature, internal pressure is also increasing.It is existing in order to protect water tank and ensure safe handling
Water tank is mostly by setting relief valve to carry out pressure release.But, there are problems that two using relief valve pressure release：
1st, influenced by environmental temperature, in low temperature environment, relief valve is easily frozen, and leads to not normal pressure release, water
Case cannot be protected；
If the 2, relief valve pressure release acts frequently, component is easily damaged, so as to cause pressure release defective valve；
For it is above-mentioned the problem of, effective solution is not yet proposed at present.
The content of the invention
The embodiments of the invention provide a kind of pressure detection method of water tank and device, water heater, storage medium, processing
Device, at least to solve to cause to influence the technical problem in water tank life-span due to depending on relief valve progress pressure release unduly.
One side according to embodiments of the present invention there is provided a kind of pressure detection method of water tank, including：Obtain water
The stress value of inner bag in case；Compare the allowable stress of the stress value and the inner bag, obtain the first comparative result；According to institute
State the opening and closing of unit where the first comparative result controls the water tank.
Another aspect according to embodiments of the present invention, additionally provides a kind of pressure-detecting device of water tank, including：Collection
Device, the stress value for gathering inner bag in water tank；Controller, should with the allowable of the inner bag for comparing the stress value
Power, obtains the first comparative result；And control signal is produced according to first comparative result, the control signal is used to control
The opening and closing of unit where the water tank.
Another aspect according to embodiments of the present invention, additionally provides a kind of water heater, including：Water described in any of the above
The pressure-detecting device of case.
Another aspect according to embodiments of the present invention, additionally provides a kind of pressure-detecting device of water tank, including：Obtain
Module, the stress value for obtaining inner bag in water tank；Comparison module, for comparing the allowable of the stress value and the inner bag
Stress, obtains the first comparative result；Control module, unit where for controlling the water tank according to first comparative result
Opening and closing.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and the storage medium includes storage
Program, wherein, described program perform any of the above described in water tank pressure detection method.
Another further aspect according to embodiments of the present invention, additionally provides a kind of processor, and the processor is used for operation program,
Wherein, the pressure detection method of the water tank described in any of the above is performed when described program is run.
In embodiments of the present invention, it is compared using the stress value and the allowable stress of inner water tank according to collection, and
The mode of the opening and closing of unit is controlled according to comparative result, due to can opening according to inner water tank Stress Control unit
Open and close, therefore stoppage protection can be carried out in time in relief valve failure, it is achieved thereby that extension water tank service life
Technique effect, so solve due to depend on unduly relief valve carry out pressure release cause influence the water tank life-span technical problem.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of water tank according to the embodiment of the present application；
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1；
Fig. 3 is a kind of flow chart of the pressure detection method of water tank according to the embodiment of the present invention；
Fig. 4 is a kind of structured flowchart of pressure-detecting device according to the embodiment of the present invention；
Fig. 5 is the structured flowchart of another pressure-detecting device according to the embodiment of the present invention.
Embodiment
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
The every other embodiment that personnel are obtained under the premise of creative work is not made, should all belong to what the present invention was protected
Scope.
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 making
Data can be exchanged in the appropriate case, so that embodiments of the invention described herein can be with except scheming herein
Show or describe those beyond order implement.In addition, term " comprising " and " having " and their any deformation, it is intended that
It is that covering is non-exclusive to include, for example, containing series of steps or process, method, system, product or the equipment of unit
Be not necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes,
The intrinsic other steps of method, product or equipment or unit.
For the ease of understanding the embodiment of the present application, below by explanation of technical terms involved in the embodiment of the present application such as
Under：
Stress value：Internal force referred to as stress in the section certain point unit area investigated.Object due to external cause (by
Power, humidity, change of temperature field etc.) and when deforming, the internal force of interaction is produced between each several part in object, to resist this
The effect of kind of external cause, and attempt the position that makes object be returned to from the position after deformation before deformation.
Allowable stress：The maximum stress for allowing part or component to bear in Machine Design or Structural Design.
End socket：One part of pressure vessel, generally with welding manner connector drum, and is arranged on the two ends of container.
The setup pressure value of relief valve：Relief valve starts pressure value during pressure release, i.e., when pressure exceedes the pressure value,
Relief valve starts pressure release.
In the related art, when the pressure of water tank is excessive, pressure release is usually carried out using relief valve, still, due to relief valve
Be also easy to produce failure, therefore, excessive dependence relief valve may influence the service life of water tank, based on this, the embodiment of the present application
There is provided corresponding solution.It is described further below.
In the alternative embodiment of the application, as depicted in figs. 1 and 2, water tank includes：Outlet pipe 1, water inlet pipe 2, change
Hot device 3, shell 4, inner bag 5, strain transducer 6.
By taking water-heater water tank as an example, after unit start, water tank proceeds by heating, with the rise of temperature, water tank internal pressure
Power is also gradually risen, and such as water inlet pipe 2, outlet pipe 1 are closed, water tank formation confined space, and inner bag 5 becomes under pressure
Shape.Multiple strain transducers 6, including cylinder and upper and lower end socket in inner bag are set on the outer surface of inner water tank 5.Set on water tank
There is the control panel (or controller) of process signal.When inner bag is deformed, strain transducer collects signal, and is transferred to control
Data signal is converted on plate (or controller) to be analyzed.The control panel according to strain transducer gather signal with it is allowable
Stress is compared, and according to the opening and closing of comparative result control unit.
Illustrated below by unit exemplified by two kinds of mode of operations of power on mode and shutdown mode.
Power on mode：
If detecting σ ＜ [σ] and σ ＜ relief valves vent pressure, (σ is the stress of current detection, and [σ] is that inner bag is allowable should
Power), then it is assumed that pressure is under safe pressure in water tank, and unit keeps normal operating condition, while sensor keeps data to adopt
Collection, and analyzed；
If detecting σ ＜ [σ] and σ ＞ safety valves vent pressure (i.e. the setup pressure value of relief valve), then it is assumed that water tank is still
Under safe pressure, but safety valve of water tank may fail, and unit gives a warning, and point out safety valve to fail, please examine
Repair；Unit remains on state, while sensor keeps data acquisition, and is analyzed；
If detecting σ >=[σ], then it is assumed that pressure has reached water tank safe pressure critical point in water tank, compressor emergency shutdown is protected
Shield, while unit gives a warning, points out unit operating pressure abnormal, stoppage protection, safety valve may fail, please overhaul；Work as inspection
σ ＜ [σ] and σ ＜ safety valve vent pressures are measured, unit turns back on operation, while sensor keeps continuous collecting data, and
Analyzed；
Shutdown mode：
If detecting σ ＜ [σ] and σ ＜ safety valve vent pressures, then it is assumed that pressure is under safe pressure in water tank, pass
Sensor keeps data acquisition, and is analyzed；
If detecting σ ＜ [σ] and σ ＞ safety valve vent pressures, then it is assumed that water tank is still under safe pressure, but water
Case safety valve may fail, and tap water hydraulic is too high, and unit gives a warning, and point out tap water pressure too high, and safety valve can
It can fail, please overhaul；Sensor keeps data acquisition simultaneously, and is analyzed.
Based on the embodiment of above-mentioned water heater, the embodiments of the invention provide a kind of method of the pressure detection method of water tank
Embodiment, can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated, it is necessary to explanation
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
Fig. 3 is a kind of flow chart of the pressure detection method of water tank according to the embodiment of the present invention, as shown in figure 3, the party
Method comprises the following steps：
Step S302, obtains the stress value of inner bag in water tank；
Alternatively, the mode for obtaining above-mentioned stress value has a variety of, for example, sensor can be set in inner bag, utilizes sensing
Device gathers stress value.
Step S304, relatively more above-mentioned stress value and the allowable stress of above-mentioned inner bag, obtain the first comparative result；
Step S306, the opening and closing of unit where controlling above-mentioned water tank according to above-mentioned first comparative result.
Alternatively, step S306 can be determined in the following manner：Above-mentioned stress value is indicated in above-mentioned first comparative result
During more than above-mentioned allowable stress, above-mentioned unit is controlled to close；Indicate that above-mentioned stress value is less than in above-mentioned first comparative result above-mentioned
During allowable stress, the running status of above-mentioned unit is maintained.For example, allowable stress is 10, when the stress value collected is 6, then
Current running status is maintained, when allowable stress is 16, then controls unit to close., can be timely using this implementation
Unit is closed, prevents from damaging the appearance of water tank problem caused by pressure release defective valve.
In one alternate embodiment, after controlling above-mentioned unit to close, if current unit is still in open state,
Then above-mentioned stress value is being detected less than above-mentioned allowable stress, and above-mentioned stress value is less than the setting of the relief valve of above-mentioned water tank
During pressure value, above-mentioned unit is controlled to bring into operation.
In order to understand the situation of relief valve in time, in the allowable stress of more above-mentioned stress value and above-mentioned inner water tank,
The setup pressure value of the relief valve of above-mentioned stress value and above-mentioned water tank can also be compared, the second comparative result is obtained；Above-mentioned
Two comparative results indicate that above-mentioned stress value is more than above-mentioned setup pressure value and above-mentioned first comparative result indicates that above-mentioned stress value is small
When above-mentioned allowable stress, the warning information for indicating above-mentioned relief valve failure is produced.So, there is failure in relief valve
When, it can know in time, so as to fix a breakdown in time.Alternatively, the alarm letter for indicating above-mentioned relief valve failure is being produced
During breath, the current operating conditions of above-mentioned unit are maintained.
Fig. 4 is a kind of structured flowchart of pressure-detecting device according to the embodiment of the present invention.As shown in figure 4, the device bag
Include：
Acquisition module 40, the stress value for obtaining inner bag in water tank；
Comparison module 42, the allowable stress for comparing above-mentioned stress value and above-mentioned inner bag, obtains the first comparative result；
Control module 44, the opening and closing of unit where for controlling above-mentioned water tank according to above-mentioned first comparative result.
It should be noted that the modules shown in Fig. 4 can be by software or hardware to realize, for the latter,
It can be accomplished by the following way, but not limited to this：Above-mentioned modules are located in same processor；Or each above-mentioned mould
The mode of block in any combination is located in different processors.
Fig. 5 is the structured flowchart of another pressure-detecting device according to the embodiment of the present invention.As shown in figure 5, the device
Including：Harvester 50, the stress value for gathering inner bag in water tank；Controller 52, for compare above-mentioned stress value with it is above-mentioned
The allowable stress of inner bag, obtains the first comparative result；And produce control signal, the control according to above-mentioned first comparative result
Signal is used for the opening and closing of unit where controlling above-mentioned water tank.
Above-mentioned harvester 50 includes：On at least one sensor, the outer surface for being arranged on above-mentioned inner water tank.One
In individual alternative embodiment, the sensor can be different sensors according to the different demarcation of position, for example, above-mentioned sensing
Device includes：First kind sensor, is arranged on outer surface and/or the second end socket of first end socket at the middle cylinder two ends of above-mentioned water tank
Outer surface on；Equations of The Second Kind sensor, is arranged on the middle tube outer surface between above-mentioned first end socket and the second end socket.Specifically
It may refer to shown in Fig. 1 and Fig. 2.Wherein, above-mentioned middle cylinder can be cylindrical tube structure, cylinder and above-mentioned first end socket in this
The agent structure of water tank is collectively constituted with the second end socket, the agent structure can be used for accommodating the liquid such as water.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.
, can be by other in several embodiments provided herein, it should be understood that disclosed technology contents
Mode realize.Wherein, device embodiment described above is only schematical, such as division of described unit, can be with
For a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be combined
Or another system is desirably integrated into, or some features can be ignored, or do not perform.Another, shown or discussed phase
Coupling or direct-coupling or communication connection between mutually can be the INDIRECT COUPLINGs or logical of unit or module by some interfaces
Letter connection, can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the 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, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme essence
On all or part of the part that is contributed in other words to prior art or the technical scheme can be with the shape of software product
Formula is embodied, and the computer software product is stored in a storage medium, including some instructions are to cause a calculating
Machine equipment (can be personal computer, server or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with storage program generation
The medium of code.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of pressure detection method of water tank, it is characterised in that including：
Obtain the stress value of inner bag in water tank；
Compare the allowable stress of the stress value and the inner bag, obtain the first comparative result；
The opening and closing of unit where controlling the water tank according to first comparative result.
2. according to the method described in claim 1, it is characterised in that control the water tank place according to first comparative result
The opening and closing of unit, including：
When first comparative result indicates that the stress value is more than the allowable stress, the unit is controlled to close；Institute
When stating the first comparative result instruction stress value less than the allowable stress, the running status of the unit is maintained.
3. method according to claim 2, it is characterised in that after the control unit is closed, methods described also includes：
The stress value is being detected less than the allowable stress, and the stress value is less than the setting of the relief valve of the water tank
During pressure value, the unit is controlled to bring into operation.
4. according to the method described in claim 1, it is characterised in that
When comparing the allowable stress of the stress value and the inner water tank, methods described also includes：Compare the stress value and
The setup pressure value of the relief valve of the water tank, obtains the second comparative result；
Indicate that the stress value is more than the setup pressure value and first comparative result is indicated in second comparative result
When the stress value is less than the allowable stress, the warning information for indicating the relief valve failure is produced.
5. method according to claim 4, it is characterised in that producing the alarm letter for indicating the relief valve failure
During breath, methods described also includes：Maintain the current operating conditions of the unit.
6. a kind of pressure-detecting device of water tank, it is characterised in that including：
Harvester, the stress value for gathering inner bag in water tank；
Controller, the allowable stress for comparing the stress value and the inner bag, obtains the first comparative result；
And control signal is produced according to first comparative result, the control signal is used for unit where controlling the water tank
Open and close.
7. device according to claim 6, it is characterised in that the harvester includes：
On at least one sensor, the outer surface for being arranged on the inner bag.
8. device according to claim 7, it is characterised in that the sensor includes：First kind sensor, is arranged on institute
State on the outer surface of the first end socket and/or the outer surface of the second end socket at the middle cylinder two ends of water tank；Equations of The Second Kind sensor, is arranged on
On middle tube outer surface between first end socket and the second end socket.
9. a kind of water heater, it is characterised in that including：The pressure detecting dress of water tank in claim 6-8 described in any one
Put.
10. a kind of pressure-detecting device of water tank, it is characterised in that including：
Acquisition module, the stress value for obtaining inner bag in water tank；
Comparison module, the allowable stress for comparing the stress value and the inner bag, obtains the first comparative result；
Control module, the opening and closing of unit where for controlling the water tank according to first comparative result.
11. a kind of storage medium, it is characterised in that the storage medium includes the program of storage, wherein, described program right of execution
Profit requires the pressure detection method of the water tank described in any one in 1 to 5.
12. a kind of processor, it is characterised in that the processor is used for operation program, wherein, right of execution when described program is run
Profit requires the pressure detection method of the water tank described in any one in 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232318.6A CN107202424A (en) | 2017-04-10 | 2017-04-10 | Water tank pressure detection method and device, water heater, storage medium and processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232318.6A CN107202424A (en) | 2017-04-10 | 2017-04-10 | Water tank pressure detection method and device, water heater, storage medium and processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202424A true CN107202424A (en) | 2017-09-26 |
Family
ID=59905530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710232318.6A Pending CN107202424A (en) | 2017-04-10 | 2017-04-10 | Water tank pressure detection method and device, water heater, storage medium and processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202424A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317733A (en) * | 2018-01-05 | 2018-07-24 | 九阳股份有限公司 | A kind of liner parameter controller of electric heater |
| CN109707009A (en) * | 2018-12-07 | 2019-05-03 | 珠海格力智能装备有限公司 | Pressure protection device and method for closed water tank |
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| CN106402448A (en) * | 2016-11-21 | 2017-02-15 | 珠海格力电器股份有限公司 | Water heater, safety valve of water heater and fault detection method of safety valve |
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| CN102023067A (en) * | 2010-09-21 | 2011-04-20 | 广东海洋大学 | Early warning device and method for collapse of deep-sea cage floating pipe |
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| CN108317733A (en) * | 2018-01-05 | 2018-07-24 | 九阳股份有限公司 | A kind of liner parameter controller of electric heater |
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| CN109707009A (en) * | 2018-12-07 | 2019-05-03 | 珠海格力智能装备有限公司 | Pressure protection device and method for closed water tank |
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