CN107144063A - Ice machine and ice block up detection method, device - Google Patents
Ice machine and ice block up detection method, device Download PDFInfo
- Publication number
- CN107144063A CN107144063A CN201710494874.0A CN201710494874A CN107144063A CN 107144063 A CN107144063 A CN 107144063A CN 201710494874 A CN201710494874 A CN 201710494874A CN 107144063 A CN107144063 A CN 107144063A
- Authority
- CN
- China
- Prior art keywords
- difference
- ice
- threshold
- pressure value
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2500/00—Problems to be solved
- F25C2500/08—Sticking or clogging of ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2600/00—Control issues
- F25C2600/04—Control means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
The embodiment of the present invention proposes that a kind of ice machine and ice block up detection method, device, is related to ice-making system field.The ice machine and ice block up detection method, device by gathering the detected pressure value of diverse location inside ice machine, the difference of detected pressure value and pressure preset is calculated again, then judge whether the difference meets default condition, it can understand, rapidly know inside ice machine with the presence or absence of the stifled situation of ice, the stifled position occurred of ice can also be accurately judged simultaneously, so that the speed that ice machine judges, solution ice is stifled is all greatly promoted, with this so that the running status of ice machine is safer, the service life of ice machine is added.
Description
Technical field
The present invention relates to ice-making system field, detection method, device are blocked up in particular to a kind of ice machine and ice.
Background technology
Ice machine is that one kind uses refrigeration system, using water as carrier, the equipment that ice is produced in the energized state, is a kind of
Water is generated to the refrigerating machine equipment of ice by evaporator after the cooling of refrigeration system refrigerant.
Existing ice machine has following shortcoming：First, it is impossible to accurately judge ice blocking position, so as to can not solve rapidly
Certainly ice blocks up problem, and extra burden is brought to ice machine；Secondly, detection reaction slow time lag, it is impossible to know ice machine in time
Whether inside, which ice occurs, is blocked up situation；Finally, accuracy of detection is low, it is impossible to accurate to judge that ice blocks up degree, so that journey can not be blocked up according to ice
Spend and decide whether operation solution ice program, it is possible to bring the waste of the energy.
The content of the invention
Detection method, device are blocked up it is an object of the invention to provide a kind of ice machine and ice, to solve existing ice machine ice
It is stifled to react slow, while the problem of ice blocking position accurately can not being judged.
To achieve these goals, the technical scheme that the embodiment of the present invention is used is as follows：
In a first aspect, blocking up detection method the embodiments of the invention provide a kind of ice, the ice, which blocks up detection method, to be included：
Receive positioned at an ice machine plate type heat exchanger porch first pressure sensor transmissions first detection pressure value,
The second detection pressure value positioned at the plate type heat exchanger exit second pressure sensor transmissions, the ice positioned at the ice machine
Starch the 3rd detection pressure value of the 3rd pressure sensor transmission at generator inlet and at the ice slurry generator exports
4th detection pressure value of the 4th pressure sensor transmission；
Calculate the first difference, the second detection pressure that the first detection pressure value is formed with the first preset pressure value
Second difference, the threeth detection pressure value and the three of threeth preset pressure value formation of the value with the formation of the second preset pressure value
Difference and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation；
Judge whether first difference, second difference, the 3rd difference and the 4th difference meet pre-
If condition；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part then generates solution ice instruction, wherein, the solution ice instruction carries solution ice positional information.
Second aspect, the embodiment of the present invention additionally provides a kind of ice blockage detection device, and the ice blockage detection device includes：
Data receipt unit, for receiving the plate type heat exchanger porch first pressure sensor transmissions positioned at an ice machine
First detection pressure value, positioned at the plate type heat exchanger exit second pressure sensor transmissions second detection pressure value,
The 3rd pressure sensor is transmitted at the ice slurry generator inlet of the ice machine the 3rd detects pressure value and positioned at institute
State the 4th detection pressure value that the 4th pressure sensor at ice slurry generator exports is transmitted；
Computing unit, for calculating the first difference, the institute that the first detection pressure value is formed with the first preset pressure value
State the second detection pressure value and the second difference, the 3rd detection pressure value and the 3rd default pressure of the formation of the second preset pressure value
3rd difference of force value formation and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation；
Judging unit, for judging first difference, second difference, the 3rd difference and described 4th poor
Whether value meets default condition；
Ice instruction generation unit is solved, if for first difference, second difference, the 3rd difference and described
4th difference meets default condition and then generates solution ice instruction, wherein, the solution ice instruction carries solution ice positional information.
The third aspect, the embodiment of the present invention additionally provides a kind of ice machine, and the ice machine includes plate type heat exchanger, ice slurry
Generator, first pressure sensor, second pressure sensor, the 3rd pressure sensor, the 4th pressure sensor, solution ice module with
And processor, the processor respectively with the plate type heat exchanger, the ice slurry generator, the first pressure sensor, institute
Second pressure sensor, the 3rd pressure sensor, the 4th pressure sensor and solution ice module electrical connection are stated,
The plate type heat exchanger is connected with the ice slurry generator；
The first pressure sensor is arranged at the plate type heat exchanger porch, for detecting that the plate type heat exchanger enters
The first detection pressure value at mouthful；
The second pressure sensor is arranged at the plate type heat exchanger exit, for detecting that the plate type heat exchanger goes out
The second detection pressure value at mouthful；
3rd pressure sensor is arranged at the porch of the ice slurry generator, for detecting the ice slurry generator
Porch the 3rd detection pressure value；
4th pressure sensor is arranged at the exit of the ice slurry generator, for detecting the ice slurry generator
Exit the 4th detection pressure value；
The processor is used to calculate the first difference, the institute that the first detection pressure value is formed with the first preset pressure value
State the second detection pressure value and the second difference, the 3rd detection pressure value and the 3rd default pressure of the formation of the second preset pressure value
3rd difference of force value formation and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation, and judge
Whether first difference, second difference, the 3rd difference and the 4th difference meet default condition, if
It is that then generation solution ice instructs to control the solution ice module solution ice.
Ice machine and ice provided in an embodiment of the present invention block up detection method, device by gathering diverse location inside ice machine
Detected pressure value, then calculate the difference of detected pressure value and pressure preset, then judge whether the difference meets default
Condition, can understand, rapidly know with the presence or absence of the stifled situation of ice inside ice machine, while can also accurately judge the stifled generation of ice
Position so that the speed that ice machine judges, solution ice is stifled is all greatly promoted, with this so that the running status of ice machine is more pacified
Entirely, the service life of ice machine is added.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the circuit connection block diagram of ice machine provided in an embodiment of the present invention.
Fig. 2 shows the functional block diagram of ice blockage detection device provided in an embodiment of the present invention.
Fig. 3 shows that the ice that second embodiment of the invention is provided blocks up the flow chart of detection method.
Fig. 4 shows that the solution that second embodiment of the invention is provided is located at the stream of the stifled method of slight ice at plate type heat exchanger
Cheng Tu.
Fig. 5 shows that the solution that second embodiment of the invention is provided is located at the stream of the stifled method of slight ice at ice slurry generator
Cheng Tu.
Fig. 6 shows that the solution that second embodiment of the invention is provided is located at the stifled method of slight ice at system ice slurry pipeline
Flow chart.
Fig. 7 shows that the solution that second embodiment of the invention is provided is located at the stream of the stifled method of serious ice at plate type heat exchanger
Cheng Tu.
Fig. 8 shows that the solution that second embodiment of the invention is provided is located at the stream of the stifled method of serious ice at ice slurry generator
Cheng Tu.
Fig. 9 shows that the solution that second embodiment of the invention is provided is located at the stifled method of serious ice at system ice slurry pipeline
Flow chart.
Figure 10 shows that the ice that fourth embodiment of the invention is provided blocks up the flow chart of detection method.
Icon：100- ice machines；101- processors；102- storage controls；103- memories；104- plate type heat exchangers；
105- ice slurry generators；106- first pressure sensors；107- second pressure sensors；The pressure sensors of 108- the 3rd；109-
4th pressure sensor；110- temperature sensors；111- solves ice module；200- ice blockage detection devices；201- data receipt units；
202- computing units；203- judging units；204- solves ice instruction generation unit.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
Referring to Fig. 1, Fig. 1 shows ice stifled detection method, the system of device that the embodiment of the present invention is provided of can be applied to
The functional block diagram of ice maker 100.As shown in figure 1, the ice machine 100 includes ice blockage detection device 200, memory 103, storage control
Device 102, processor 101, plate type heat exchanger 104, ice slurry generator 105, first pressure sensor 106, second pressure sensor
107th, the 3rd pressure sensor 108, the 4th pressure sensor 109, temperature sensor 110 and solution ice module 111.These components
Mutually communicated by one or more communication bus/signal wire.The ice blockage detection device 200 includes at least one by described
Manage the software function module that device 101 is performed.
Wherein, processor 101 is pressed with storage control 102, plate type heat exchanger 104, ice slurry generator 105, first respectively
Force snesor 106, second pressure sensor 107, the 3rd pressure sensor 108, the 4th pressure sensor 109, temperature sensor
110 and solution ice module 111 electrically connect.
The ice blockage detection device 200 that memory 103 can be used in storage software program and unit, such as embodiment of the present invention
And programmed instruction/unit corresponding to method, processor 101 by operation be stored in software program in memory 103 and
Unit, so as to perform various function application and data processing, such as ice provided in an embodiment of the present invention blocks up detection method.
Memory 103 may include high speed random access memory 103, may also include nonvolatile memory 103, such as one or
Multiple magnetic storage devices, flash memory or other non-volatile solid state memories 103.Processor 101 and other possible group
Access of the part to memory 103 can be carried out under the control of storage control 102.
First pressure sensor 106 is arranged at the porch of plate type heat exchanger 104, for detecting the entrance of plate type heat exchanger 104
The first detection pressure value at place.
Second pressure sensor 107 is arranged at the exit of plate type heat exchanger 104, for detecting that plate type heat exchanger 104 is exported
The second detection pressure value at place.
3rd pressure sensor 108 is arranged at the porch of ice slurry generator 105, for detecting ice slurry generator 105
3rd detection pressure value of porch.
4th pressure sensor 109 is arranged at the exit of ice slurry generator 105, for detecting ice slurry generator 105
The 4th detection pressure value in exit.
Temperature sensor 110 is arranged at the exit of ice slurry generator 105, the outlet for detecting ice slurry generator 105
The temperature detection value at place.
Solution ice module 111 is used to run solution ice program to eliminate the normal work of 100 internal influence ice machine of ice machine 100
Ice, solution ice module 111 includes heat exchanger, eg pump etc..
Processor 101 is used to receive the first detection pressure value, the second detection pressure value, the 3rd detection pressure value and the 4th
Detect pressure value.
Specifically, processor 101 be used to calculating the first the first difference for detecting the formation of pressure value and the first preset pressure value,
Second detection pressure value and the second difference, the 3rd detection pressure value and the 3rd preset pressure value shape of the formation of the second preset pressure value
Into the 3rd difference and the 4th detection pressure value and the 4th preset pressure value formation the 4th difference, and judge the first difference,
Whether the second difference, the 3rd difference and the 4th difference meet default condition, if it is, generation solution ice instructs to control to solve ice
The operation solution ice program of module 111.
First embodiment
Referring to Fig. 2, showing a kind of functional module for ice blockage detection device 200 that present pre-ferred embodiments are provided
Figure.The ice blockage detection device 200 is applied to ice machine 100, and the ice blockage detection device 200 includes data receipt unit 201, meter
Calculate unit 202, judging unit 203 and solution ice instruction generation unit 204.
Data receipt unit 201 is used to receive the porch first pressure biography of plate type heat exchanger 104 positioned at an ice machine 100
The first of the transmission of sensor 106 detects pressure value, transmitted positioned at the exit second pressure sensor 107 of plate type heat exchanger 104
The second detection pressure value, pressure sensor 108 of 105 porch of ice slurry generator the 3rd positioned at the ice machine 100 transmit
The 3rd detection pressure value and positioned at the pressure sensor 109 of 105 exit of ice slurry generator the 4th transmit the 4th inspection
Pressure measurement force value.
It should be noted that the first detection pressure value, second pressure detected value, the 3rd detected pressure value and the inspection of the 4th pressure
Measured value is the pressure value that the real time execution of ice machine 100 is collected.
Computing unit 202 be used to calculating the first difference of the first detection pressure value and the first preset pressure value formation,
The second detection pressure value and the second difference, the 3rd detection pressure value of the formation of the second preset pressure value are preset with the 3rd
3rd difference of pressure value formation and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation.
Wherein, the first preset pressure value is the pressure value of the porch of plate type heat exchanger 104 when ice machine 100 is normally run,
Second preset pressure value is the pressure value in the exit of plate type heat exchanger 104 when ice machine 100 is normally run, the 3rd preset pressure value
The pressure value of the porch of ice slurry generator 105 when normally being run for ice machine 100, the 4th preset pressure value be ice machine 100 just
The pressure value in the exit of ice slurry generator 105 when often running.
If the first preset pressure value, the second preset pressure value, the 3rd preset pressure value and the 4th preset pressure value are respectively
P1、P2、P3、P4；If the first detection pressure value, the second detection pressure value, the 3rd detection pressure value and the 4th detection pressure value point
Wei not P1 ', P2 ', P3 ', P4 '.
Then the first difference △ P1=P1 '-P1；Second difference △ P2=P2 '-P2；3rd difference △ P3=P3 '-P3；4th
Difference △ P4=P4 '-P4.
Judging unit 203 is used to judge first difference, second difference, the 3rd difference and the described 4th
Whether difference meets default condition.
By judging whether first difference, second difference, the 3rd difference and the 4th difference are full
The default condition of foot, ice machine 100 can know its own current running situation, i.e.,：Whether occur ice and block up phenomenon, what ice was blocked up
What state and the stifled position of generation ice.
Specifically, in the present embodiment, ice machine 100 is set with 6 kinds of default conditions, occurs the stifled position of ice to distinguish
Put, the situation that ice is stifled.
The first：
The judging unit 203 is used to judge whether first difference is more than or equal to first threshold and described second poor
Whether value, the 3rd difference and the 4th difference are all higher than 0 and less than the first threshold.
When first difference is more than or equal to first threshold and second difference, the 3rd difference and the described 4th
When difference is all higher than 0 and is less than the first threshold, i.e. △ P1 >=K1 and 0 ＜ △ P2/ △ P3/ △ P4 ＜ K1, show ice machine
100 plate type heat exchanger 104 occurs in that the stifled situation of slight ice.
Wherein, K1 is first threshold, when being that pressure value when the slight ice of ice machine 100 is stifled is normally run with ice machine 100
Pressure value difference, be used to help ice machine 100 judge whether occur ice block up.
In addition, the judging unit 203 is additionally operable to judge to maintain first difference to be more than or equal to the first threshold
State time whether be more than preset time.
In general, plate type heat exchanger 104 occur slight ice it is stifled when, ice machine 100 is without carrying out any operation just
Can be by the cooling water of the flowing situation stifled by slight ice is released, so by judging to maintain first difference to be more than or wait
Whether it is more than preset time in the time of the state of the first threshold, ice machine 100 can confirm that to be occurred in preset time
Ice blocks up whether situation mitigates at plate type heat exchanger 104, without entering solution ice program if mitigating；As fruit ice blocks up situation not
Mitigate, then carry out solution ice operation.
Second：
The judging unit 203 is used to judge whether the 3rd difference is more than or equal to first threshold and described first poor
Whether value, second difference and the 4th difference are all higher than 0 and less than first threshold.
When the 3rd difference is more than or equal to first threshold and first difference, second difference and the described 4th
Difference is all higher than 0 and less than first threshold, i.e., as △ P3 >=K1 and 0 ＜ △ P1/ △ P2/ △ P4 ＜ K1, show ice machine 100
Ice slurry generator 105 occur the stifled situation of slight ice.
In addition, the judging unit 203 is additionally operable to judge to maintain the 3rd difference to be more than or equal to the 3rd threshold value
State time whether be more than preset time.
In general, ice slurry generator 105 occur slight ice it is stifled when, ice machine 100 is without carrying out any operation just
Can be by the cooling water of the flowing situation stifled by slight ice is released, so by judging to maintain the 3rd difference to be more than or wait
Whether it is more than preset time in the time of the state of the 3rd threshold value, ice machine 100 can confirm that to be occurred in preset time
Ice blocks up whether situation mitigates at ice slurry generator 105, without entering solution ice program if mitigating；As fruit ice blocks up situation not
Mitigate, then carry out solution ice operation.
The third：
The judging unit 203 is used to judge whether the 4th difference is more than or equal to first threshold and described first poor
Whether value, second difference and the 3rd difference are all higher than 0 and less than first threshold.
When the 4th difference is more than or equal to first threshold and first difference, second difference and the described 3rd
Difference is all higher than 0 and less than first threshold, i.e., as △ P4 >=K1 and 0 ＜ △ P1/ △ P2/ △ P3 ＜ K1, show ice machine 100
System ice slurry pipeline occur the stifled situation of slight ice.
In addition, the judging unit 203 is additionally operable to judge to maintain the 4th difference to be more than or equal to the first threshold
State time whether be more than preset time.
Normally, when the slight ice of system ice slurry pipeline generation is stifled, ice machine 100 just can pass through without carrying out any operation
The cooling water of flowing will release the stifled situation of slight ice, therefore by judging to maintain the 4th difference to be more than or equal to described the
Whether the time of the state of one threshold value is more than preset time, and ice machine 100 can confirm that comes across system ice in preset time
Ice blocks up whether situation mitigates at slurry pipeline, without entering solution ice program if mitigating；Situation is blocked up such as fruit ice not mitigate, then is entered
Row solution ice operation.
4th kind：
The judging unit 203 is used to judge whether second difference, the 3rd difference and the 4th difference are equal
Whether it is more than or equal to Second Threshold more than 0 and less than the Second Threshold and first difference.
When second difference, the 3rd difference and the 4th difference stone are all higher than 0 and less than the Second Threshold
And first difference is more than or equal to Second Threshold, i.e., as △ P1 >=K2 and △ P2/ △ P3/ △ P4 ＜ K2, show system
The plate type heat exchanger 104 of ice maker 100 occurs in that the stifled situation of serious ice, should carry out solution ice operation.
Wherein, K2 is Second Threshold, when being that pressure value when the serious ice of ice machine 100 is stifled is normally run with ice machine 100
Pressure value difference, be used to help ice machine 100 judge whether occur ice block up.
5th kind：
The judging unit 203 is used to judge whether first difference, second difference and the 4th difference are equal
Whether it is more than or equal to Second Threshold more than 0 and less than the Second Threshold and the 3rd difference.
When first difference, second difference and the 4th difference are all higher than 0 and less than the Second Threshold, and
3rd difference is more than or equal to the Second Threshold, i.e., as △ P3 >=K2 and △ P1/ △ P2/ △ P4 ＜ K2, shows system
The ice slurry generator 105 of ice maker 100 occurs in that the stifled situation of serious ice, should carry out solution ice operation.
6th kind：
The judging unit 203 is used to judge whether first difference, second difference and the 3rd difference are equal
More than 0 and less than the Second Threshold when and the 4th difference whether be more than or equal to Second Threshold.
When first difference, second difference and the 3rd difference are all higher than 0 and are less than the Second Threshold
And the 4th difference is more than or equal to Second Threshold, i.e., as △ P4 >=K2 and △ P1/ △ P2/ △ P3 ＜ K2, show system
The system ice slurry pipeline of ice maker 100 occurs in that the stifled situation of serious ice, should carry out solution ice operation.
If solving ice instruction generation unit 204 is used for first difference, second difference, the 3rd difference and institute
State the 4th difference meet default condition then generate solution ice instruction, wherein, it is described solution ice instruction carries solution ice positional information.
It should be noted that solution ice instruction includes ice positional information to be solved, thus solution ice module 111 can be according to the icing
Instruction is eliminated can be but be not limited only to plate type heat exchanger with the ice of the solution ice positional information corresponding position, the solution ice positional information
At 104, at ice slurry generator 105 or at system ice slurry pipeline etc..
By the above, when first difference, second difference, the 3rd difference and the described 4th
When difference meets any one situation of described above, ice machine 100 will be run and solve ice program, and ice machine 100 is hindered to eliminate
The ice normally run.
When first pressure sensor 106, second pressure sensor 107, the 3rd pressure sensor 108 or the 4th pressure sensing
Any one in device 109 breaks down, it is impossible to when being normally carried out pressure value detection, the work of each unit of ice blockage detection device 200
With as follows：
The data receipt unit 201 is used for the detection temperature value for receiving the exit of ice slurry generator 105.
Detection temperature value is gathered by the temperature sensor 110 for being arranged at the exit of ice slurry generator 105.
The judging unit 203 is used to judge whether the detection temperature value is less than or equal to preset temperature value.
By judging whether the detection temperature value is less than or equal to preset temperature value, ice machine 100 can be known
Its own current running situation, i.e.,：Whether occur ice and block up phenomenon, the stifled what state of ice and the stifled position of generation ice.
If the solution ice instruction generation unit 204 is used for the detection temperature value and is less than or equal to preset temperature value, transport
Row solution ice program.
When detection temperature value is less than or equal to preset temperature value, illustrate that occurring ice inside ice machine 100 blocks up situation, should
Operation solution ice program.
It should be noted that ice machine 100 is preferentially judged in ice machine 100 using whether pressure differential meets preparatory condition
Whether portion occur that ice is stifled, whether needs operation solution ice program, and the method that the present embodiment is provided, and is mainly used in pressure sensing
Device occurs in the case of damaging, and whether occurs ice inside auxiliary judgment ice machine 100 and blocks up, whether needs operation solution ice program.
Second embodiment
A kind of ice provided in an embodiment of the present invention blocks up detection method, applied to ice machine 100.It should be noted that this reality
Apply the ice that example provided and block up detection method, the technique effect of its general principle and generation is identical with above-described embodiment, is briefly to retouch
State, the present embodiment part does not refer to part, refers to corresponding contents in the above embodiments.Referring to Fig. 3, the stifled detection of the ice
Method comprises the following steps：
Step S301：The porch first pressure sensor 106 of plate type heat exchanger 104 received positioned at an ice machine 100 is passed
Defeated first detects pressure value, the second detection transmitted positioned at the exit second pressure sensor 107 of plate type heat exchanger 104
The 3rd detection that pressure value, the pressure sensor 108 of 105 porch of ice slurry generator the 3rd positioned at the ice machine 100 are transmitted
Pressure value and the 4th detection pressure value transmitted positioned at the pressure sensor 109 of 105 exit of ice slurry generator the 4th.
It is to be appreciated that step S301 can be performed by data receipt unit 201.
Step S302：Calculate the first detection pressure value and the first preset pressure value formation the first difference, described the
Two detection pressure values and the second difference, the 3rd detection pressure value and the 3rd preset pressure value of the formation of the second preset pressure value
The 3rd difference and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation formed.
It is to be appreciated that step S302 can be performed by computing unit 202.
Step S303：Judging first difference, second difference, the 3rd difference and the 4th difference is
It is no to meet default condition.
It is to be appreciated that step S303 can be performed by judging unit 203.
Specifically, Fig. 4 to Fig. 9 is referred to, step S303 includes following six sub-step, ice machine 100 is corresponded to respectively and is set
6 kinds of fixed default conditions.
The first：
Sub-step S3031：Judge whether first difference is more than or equal to first threshold and second difference, described
Whether the 3rd difference and the 4th difference are all higher than 0 and less than the first threshold, if it is, performing step S3032；Such as
It is really no, then perform step S301.
Sub-step S3032：Judging the time for the state for maintaining first difference to be more than or equal to the first threshold is
It is no to be more than preset time, if it is, performing step S304；If it is not, then performing step S301.
Second：
Sub-step S3033：Judge whether the 3rd difference is more than or equal to first threshold and first difference, described
Whether the second difference and the 4th difference are all higher than 0 and less than first threshold, if it is, performing step S3034；If
It is no, then perform step S301.
Sub-step S3034：Judging the time for the state for maintaining the 3rd difference to be more than or equal to the 3rd threshold value is
It is no to be more than preset time, if it is, performing step S304；If it is not, then performing step S301.
The third：
Sub-step S3035：Judge whether the 4th difference is more than or equal to first threshold and first difference, described
Whether the second difference and the 3rd difference are all higher than 0 and less than first threshold, if it is perform step S3036；If not,
Then perform step S301.
Sub-step S3036：Judging the time for the state for maintaining the 4th difference to be more than or equal to the first threshold is
It is no to be more than preset time, if it is, performing step S304；If it is not, then performing step S301.
4th kind：
Sub-step S3037：Judge whether second difference, the 3rd difference and the 4th difference stone are all higher than 0
And whether it is more than or equal to Second Threshold less than the Second Threshold and first difference, if it is, performing step
S304；If it is not, then performing step S301.
5th kind：
Sub-step S3038：Judge first difference, second difference and the 4th difference whether be all higher than 0 and
Whether it is more than or equal to Second Threshold less than the Second Threshold and the 3rd difference, if it is, performing step S304；
If it is not, then performing step S301.
6th kind：
Sub-step S3039：Judge first difference, second difference and the 3rd difference whether be all higher than 0 and
During less than the Second Threshold and the 4th difference whether be more than or equal to Second Threshold, if it is perform step
S304；If it is not, then performing step S301.
Step S304：Generation solution ice instruction.
It is to be appreciated that step S304 can be performed by solving ice instruction generation unit 204.
Referring to Fig. 10, when first pressure sensor 106, second pressure sensor 107, the 3rd pressure sensor 108 or
Any one in 4th pressure sensor 109 breaks down, it is impossible to which when being normally carried out pressure value detection, the ice blocks up detection side
Method comprises the following steps：
Step S401：Receive the detection temperature value in the exit of ice slurry generator 105.
It is to be appreciated that can be with operating procedure S401 by signal receiving unit.
Step S402：Judge whether the detection temperature value is less than or equal to preset temperature value, if it is, performing step
S403, if it is not, then performing step S401.
It is to be appreciated that can be with operating procedure S402 by judging unit 203.
Step S403：Generation solution ice instruction.
It is to be appreciated that can be with operating procedure S403 by solving ice instruction generation unit 204.
In summary, ice machine and ice provided by the present invention block up detection method, device by gathering inside ice machine not
With the detected pressure value of position, then the difference of detected pressure value and pressure preset is calculated, then judge whether the difference meets
Default condition, can understand, rapidly know with the presence or absence of the stifled situation of ice inside ice machine, while can also accurately judge that ice is blocked up
The position of generation so that ice machine, which judges, solve the stifled speed of ice all greatly promotes, with this so that the running status of ice machine more
Plus safety, add the service life of ice machine.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can also pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show according to the device of multiple embodiments of the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of a unit, program segment or code
Part a, part for the unit, program segment or code is used to realize holding for defined logic function comprising one or more
Row instruction.It should also be noted that in some implementations as replacement, the function of being marked in square frame can also with different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they are sometimes
It can perform in the opposite order, this is depending on involved function.It is also noted that every in block diagram and/or flow chart
The combination of individual square frame and block diagram and/or the square frame in flow chart, can use the special base for performing defined function or action
Realize, or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each functional unit in each embodiment of the invention can integrate to form an independent portion
Point or unit individualism, can also two or more units be integrated to form an independent part.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Onl4Memor4), arbitrary access are deposited
Reservoir (RAM, Random Access Memor4), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
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.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
Claims (10)
1. a kind of ice blocks up detection method, it is characterised in that the ice, which blocks up detection method, to be included：
Receive the first detection pressure value of the plate type heat exchanger porch first pressure sensor transmissions positioned at an ice machine, be located at
The second detection pressure value, the ice slurry positioned at the ice machine of the plate type heat exchanger exit second pressure sensor transmissions are sent out
The 3rd of the raw pressure sensor transmission of device porch the 3rd detects pressure value and the 4th at the ice slurry generator exports
4th detection pressure value of pressure sensor transmission；
Calculate the first difference of the first detection pressure value and the first preset pressure value formation, the second detection pressure value with
Second difference of the second preset pressure value formation, the 3rd detection pressure value and the 3rd difference of the 3rd preset pressure value formation
And the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation；
Judge whether first difference, second difference, the 3rd difference and the 4th difference meet default
Condition；
If first difference, second difference, the 3rd difference and the 4th difference meet default condition
Generation solution ice instruction, wherein, the solution ice instruction carries solution ice positional information.
2. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge whether first difference is more than or equal to first threshold and second difference, the 3rd difference and described the
Whether four differences are all higher than 0 and less than the first threshold, if it is, judging to maintain first difference to be more than or equal to institute
Whether the time for stating the state of first threshold is more than preset time；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If first difference is more than or equal to default first threshold, second difference, the 3rd difference and described the
Four differences are all higher than 0 and are less than the first threshold and maintain first difference more than or equal to the state of the first threshold
Time be more than preset time when, generate it is described solution ice instruction.
3. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge whether the 3rd difference is more than or equal to first threshold and first difference and second difference and institute
State whether the 4th difference is all higher than 0 and less than the first threshold, if it is, judging to maintain the 3rd difference to be more than or wait
Whether it is more than preset time in the time of the state of the first threshold；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If the 3rd difference is more than or equal to first threshold, first difference, second difference and the 4th difference
It is all higher than 0 and less than the time of the first threshold and the state for maintaining the 3rd difference to be more than or equal to the first threshold
During more than preset time, the solution ice instruction is generated.
4. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge whether the 4th difference is more than or equal to first threshold and first difference, second difference and described the
When whether three differences are all higher than 0 and are less than the first threshold, if it is, judging to maintain the 4th difference to be more than or equal to
Whether the time of the state of the first threshold is more than preset time；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If the 4th difference is more than or equal to the first threshold, first difference, second difference and the described 3rd
Difference is all higher than 0 and is less than the first threshold and maintains the 4th difference more than or equal to the state of the first threshold
When time is more than preset time, the solution ice instruction is generated.
5. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge second difference, the 3rd difference and the 4th difference whether be all higher than 0 and less than Second Threshold and
Whether first difference is more than or equal to the Second Threshold；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If second difference, the 3rd difference and the 4th difference are all higher than 0 and are less than the Second Threshold, and described
First difference generates the solution ice instruction when being more than or equal to the Second Threshold.
6. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge first difference, second difference and the 4th difference whether be all higher than 0 and less than Second Threshold and
Whether the 3rd difference is more than or equal to the Second Threshold；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If first difference, second difference and the 4th difference are all higher than 0 and are less than the Second Threshold, and described
When 3rd difference is more than or equal to the Second Threshold, the solution ice instruction is generated.
7. ice as claimed in claim 1 blocks up detection method, it is characterised in that judgement first difference, described second
The step of whether difference, the 3rd difference and the 4th difference meet default condition includes：
Judge first difference, second difference and the 3rd difference whether be all higher than 0 and less than Second Threshold when with
And whether the 4th difference is more than or equal to the Second Threshold；
If first difference, second difference, the 3rd difference and the 4th difference meet default article
Part, which then generates the step of solution ice is instructed, to be included：
If first difference, second difference and the 3rd difference are all higher than 0 and are less than the Second Threshold, and described
When 4th difference is more than or equal to the Second Threshold, the solution ice instruction is generated.
8. a kind of ice blockage detection device, it is characterised in that the ice blockage detection device ice blockage detection device includes：
Data receipt unit, for receiving the plate type heat exchanger porch first pressure sensor transmissions positioned at an ice machine
One detects pressure value, the second detection pressure value positioned at the plate type heat exchanger exit second pressure sensor transmissions, is located at
The 3rd pressure sensor is transmitted at the ice slurry generator inlet of the ice machine the 3rd detects pressure value and positioned at the ice
Starch the 4th detection pressure value of the 4th pressure sensor transmission at generator exports；
Computing unit, for calculate the first detection pressure value and the first preset pressure value formation the first difference, described the
Two detection pressure values and the second difference, the 3rd detection pressure value and the 3rd preset pressure value of the formation of the second preset pressure value
The 3rd difference and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation formed；
Judging unit, for judging that first difference, second difference, the 3rd difference and the 4th difference be
It is no to meet default condition；
Ice instruction generation unit is solved, if for first difference, second difference, the 3rd difference and the described 4th
Difference meets default condition and then generates the instruction of solution ice to control solution ice module operation solution ice program, wherein, the solution ice instruction
Carry solution ice positional information.
9. ice blockage detection device as claimed in claim 8, it is characterised in that the judging unit is used to judge that described first is poor
Value whether is more than or equal to first threshold and whether second difference, the 3rd difference and the 4th difference are all higher than 0
And less than the first threshold, if it is, judging the state for maintaining first difference to be more than or equal to the first threshold
Time whether be more than preset time；
If the solution ice instruction generation unit is additionally operable to first difference more than or equal to default first threshold, described second
Difference, the 3rd difference and the 4th difference are all higher than 0 and are less than the first threshold and maintain first difference big
In or equal to the first threshold state time be more than preset time when, generate it is described solution ice instruction.
10. a kind of ice machine, it is characterised in that the ice machine includes plate type heat exchanger, ice slurry generator, first pressure sensing
Device, second pressure sensor, the 3rd pressure sensor, the 4th pressure sensor, solution ice module and processor, the processor
Respectively with the plate type heat exchanger, the ice slurry generator, the first pressure sensor, the second pressure sensor, institute
State the 3rd pressure sensor, the 4th pressure sensor and solution ice module electrical connection, the plate type heat exchanger and institute
State the connection of ice slurry generator；
The first pressure sensor is arranged at the plate type heat exchanger porch, for detecting the plate type heat exchanger porch
First detection pressure value；
The second pressure sensor is arranged at the plate type heat exchanger exit, for detecting the plate type heat exchanger exit
Second detection pressure value；
3rd pressure sensor is arranged at the porch of the ice slurry generator, for detecting entering for the ice slurry generator
The 3rd detection pressure value at mouthful；
4th pressure sensor is arranged at the exit of the ice slurry generator, for detecting going out for the ice slurry generator
The 4th detection pressure value at mouthful；
The processor is used to calculating the first difference of the first detection pressure value and the first preset pressure value formation, described the
Two detection pressure values and the second difference, the 3rd detection pressure value and the 3rd preset pressure value of the formation of the second preset pressure value
The 3rd difference and the 4th detection pressure value and the 4th difference of the 4th preset pressure value formation formed, and judge described
Whether the first difference, second difference, the 3rd difference and the 4th difference meet default condition, if it is,
Then generation solution ice instructs to control the solution ice module solution ice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494874.0A CN107144063B (en) | 2017-06-26 | 2017-06-26 | Ice machine and ice blockage detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494874.0A CN107144063B (en) | 2017-06-26 | 2017-06-26 | Ice machine and ice blockage detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107144063A true CN107144063A (en) | 2017-09-08 |
| CN107144063B CN107144063B (en) | 2023-10-10 |
Family
ID=59784435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494874.0A Active CN107144063B (en) | 2017-06-26 | 2017-06-26 | Ice machine and ice blockage detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107144063B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019138765A1 (en) * | 2018-01-15 | 2019-07-18 | ダイキン工業株式会社 | Ice making system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159485A (en) * | 1996-11-26 | 1998-06-16 | Tokyu Constr Co Ltd | Detector of clogged position |
| CN101922830A (en) * | 2010-08-05 | 2010-12-22 | 华中科技大学 | Supercooled liquid ice slurry continuous preparation device |
| CN102705712A (en) * | 2012-05-30 | 2012-10-03 | 辽宁工程技术大学 | Method for monitoring ice blocking position of pipeline transmitted ice slurry |
| CN202709584U (en) * | 2012-06-25 | 2013-01-30 | 深圳力合节能技术有限公司 | Ice making unit |
| CN103206305A (en) * | 2012-01-13 | 2013-07-17 | 通用汽车环球科技运作有限责任公司 | Fuel system blockage detection and blockage location identification systems and methods |
| CN103216266A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Pressure detecting method for preventing clogging of filling pipeline |
| CN105402969A (en) * | 2015-12-10 | 2016-03-16 | 深圳达实智能股份有限公司 | Energy-saving deicing dynamic ice-making system and deicing operation method thereof |
| CN205641706U (en) * | 2016-04-19 | 2016-10-12 | 湖南工程学院 | Utilize recovery waste heat to prevent cold process production ice thick liquid stifled device of ice to appear |
| CN206861946U (en) * | 2017-06-26 | 2018-01-09 | 成都中装能源科技有限公司 | Ice machine and ice-making system |
-
2017
- 2017-06-26 CN CN201710494874.0A patent/CN107144063B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10159485A (en) * | 1996-11-26 | 1998-06-16 | Tokyu Constr Co Ltd | Detector of clogged position |
| CN101922830A (en) * | 2010-08-05 | 2010-12-22 | 华中科技大学 | Supercooled liquid ice slurry continuous preparation device |
| CN103206305A (en) * | 2012-01-13 | 2013-07-17 | 通用汽车环球科技运作有限责任公司 | Fuel system blockage detection and blockage location identification systems and methods |
| CN103216266A (en) * | 2012-01-21 | 2013-07-24 | 飞翼股份有限公司 | Pressure detecting method for preventing clogging of filling pipeline |
| CN102705712A (en) * | 2012-05-30 | 2012-10-03 | 辽宁工程技术大学 | Method for monitoring ice blocking position of pipeline transmitted ice slurry |
| CN202709584U (en) * | 2012-06-25 | 2013-01-30 | 深圳力合节能技术有限公司 | Ice making unit |
| CN105402969A (en) * | 2015-12-10 | 2016-03-16 | 深圳达实智能股份有限公司 | Energy-saving deicing dynamic ice-making system and deicing operation method thereof |
| CN205641706U (en) * | 2016-04-19 | 2016-10-12 | 湖南工程学院 | Utilize recovery waste heat to prevent cold process production ice thick liquid stifled device of ice to appear |
| CN206861946U (en) * | 2017-06-26 | 2018-01-09 | 成都中装能源科技有限公司 | Ice machine and ice-making system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019138765A1 (en) * | 2018-01-15 | 2019-07-18 | ダイキン工業株式会社 | Ice making system |
| JP2019124447A (en) * | 2018-01-15 | 2019-07-25 | ダイキン工業株式会社 | Ice making system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107144063B (en) | 2023-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106371052A (en) | Safety monitoring method, device and system for intelligent electric meter | |
| CN105202704B (en) | Air conditioner fault information display method and device | |
| CN106500238B (en) | Electronic expansion valve fault detection method and device and multi-online equipment system | |
| CN106980562A (en) | A kind of hard disk monitoring method and device | |
| CN105202836B (en) | Water flow detection method, device and system for water heater unit | |
| CN104165701B (en) | Method and device for detecting abnormal heat dissipation of electronic device | |
| CN102829991A (en) | Fault detection system, fault detection method and module | |
| CN105973168A (en) | Operation diagnosis system and method for gas chamber piston | |
| CN107092259A (en) | The anti-fall method and device of robot | |
| CN105651313A (en) | Safety impact protection method and structural vibration monitoring instrument | |
| CN106525107A (en) | Method for identifying failure of sensor through arbitration | |
| CN103970628A (en) | Automatic detection system and automatic detection method thereof | |
| CN110779568A (en) | Power cable detection method and device with cooperation of online monitoring and mobile inspection | |
| CN109978055A (en) | The information fusion method and system of multisensor syste, computer equipment and medium | |
| CN105243180A (en) | Electromechanical equipment fault early warning method and system | |
| CN105630657B (en) | A kind of temperature checking method and device | |
| CN107144063A (en) | Ice machine and ice block up detection method, device | |
| CN105425739A (en) | System for predicting abnormality occurrence using PLC log data | |
| CN104550265B (en) | A kind of method and device that rolled steel production system is processed | |
| CA2743245A1 (en) | Communications methods and apparatus related to partitioned traffic segments | |
| CN108918173A (en) | A kind of method and system detecting pantograph or cable failure | |
| CN106501705B (en) | Draw integrated system protection CPU board automatic checkout system and its detection method | |
| CN107911479A (en) | A kind of traffic safety facilities condition checkout gear and its detection method | |
| CN206861946U (en) | Ice machine and ice-making system | |
| CN110442062A (en) | A kind of non-at-scene data collection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |