CN103792902B - A kind of automatic washing control method - Google Patents
A kind of automatic washing control method Download PDFInfo
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- CN103792902B CN103792902B CN201310299101.9A CN201310299101A CN103792902B CN 103792902 B CN103792902 B CN 103792902B CN 201310299101 A CN201310299101 A CN 201310299101A CN 103792902 B CN103792902 B CN 103792902B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The present invention relates to a kind of automatic washing control method, it is characterized in that, step is: central control unit connects digital quantity input module, digital output module and Analog input mModule respectively, it is respectively connected to digital quantity input module every threshold switch feedback signal and purge valve switch feedback signal in by, front case pressure transmitter, rear cabinet pressure transmitter and front case vacuum transducer are accessed Analog input mModule；It is provided with the parameters required for cleaning control；If automatic washing meets following condition: atmospheric pressure is sufficient, cooling water has water flow signal, drying baker chamber door to close, water pot communication is normal and water pot is not at local controlled state, then start automatically to clean.The invention have the advantage that and be capable of automatic washing control；Ensure that in cleaning process, casing will not suffer damage；Add whether rear cabinet cleans select button, only clean front case and flaggy when need not and cleaning rear cabinet, more adapt to the demand of pharmacy producer.
Description
Technical field
The present invention relates to a kind of automatic washing control method, be automatically performed the cleaning of flaggy, casing and rear cabinet for controlling freeze dryer, belong to freezing and control technical field.
Background technology
Existing freezing control technology includes drying baker, drying baker via in every valve connect water vessel, water vessel connects vacuum pump, compressor, may be used for the lyophilizing of pharmacy and food service industry, the shortcoming of existing apparatus is to need Manual-cleaning flaggy, casing, rear cabinet after medicine outlet, full automatic cleaning control can not be carried out, it is impossible to meet the demand of increasing pharmaceutical industry producer.
Summary of the invention
The technical problem to be solved in the present invention is to improve the efficiency of pharmaceutical industry production process, it is provided that a kind of full automatic cleaning control method.
In order to solve above-mentioned technical problem, the technical scheme is that and provide a kind of automatic washing control method, it is characterised in that step is:
Step 1, central control unit is connected respectively digital quantity input module, digital output module and Analog input mModule, it is respectively connected to digital quantity input module every threshold switch feedback signal and purge valve switch feedback signal in by, front case pressure transmitter, rear cabinet pressure transmitter and front case vacuum transducer are accessed Analog input mModule；
Step 2, it is provided with the parameters required for cleaning control；
If step 3 automatic washing meets following condition: atmospheric pressure is sufficient, cooling water has water flow signal, drying baker chamber door to close, water pot communication is normal and water pot is not at local controlled state, then enter step 4；
Step 4, opened water ring pump water compensating valve, water ring pump and water ring pump isolating valve to freeze dryer rear cabinet evacuation by central control unit via digital output module, rear cabinet pressure is made to be slightly below atmospheric pressure, every valve in now opening so that front box of freeze dryer has certain vacuum degree；
Step 5, after rear cabinet and front case pressure are all slightly below atmospheric pressure, enter cleaning case door locked stage；
After step 6, central control unit judge chamber door lock into place via the front case pass gate signal that digital quantity input module obtains, via digital output module open front case intake valve, rear cabinet intake valve, air inlet main valve enter air inlet press the stage again, make body of freeze dryer internal gas pressure recover to atmospheric pressure state；
Step 7, body of freeze dryer recover to atmospheric pressure state, and central control unit is opened flaggy purge valve via digital output module, cleaned main valve, and front case dump valve and total drain valve carry out flaggy cleaning；
Step 8, flaggy clean after terminating, automatically casing wash phase it is cut into, central control unit is opened casing purge valve via digital output module, is cleaned main valve and front case dump valve, after reaching to clean the setting time, entering casing and clean bleeding stage, central control unit is opened front case dump valve via digital output module and is discharged by the water for injection in casing；
After step 9, casing have cleaned, judge whether to need rear cabinet to clean according to the parameter that step 2 sets, if desired, then central control unit is opened rear cabinet purge valve via digital output module and is carried out rear cabinet and draining；If need not, then it is directly entered step 10；
Step 10, central control unit open water ring pump water compensating valve, water ring pump, water ring pump isolating valve, front case drain valve and rear cabinet drain valve via digital output module, enter vaporization drying stage, being judged to vaporize whether drying stage terminates according to the parameter that step 2 sets by central control unit, vaporization drying stage enters step 11 after terminating；
After step 11, central control unit open front case intake valve, rear cabinet intake valve and air inlet main valve via digital output module, returning to atmospheric pressure state, automatic washing process terminates.
Preferably, also purge valve valve switch feedback signal is accessed described digital quantity input module, when digital quantity input module does not receives purge valve valve switch feedback signal when wash-out valve is opened, described central control unit open alarm lamp and buzzer via digital output module.
Preferably, also cooling water inlet discharge switching signal is accessed described digital quantity input module, when cooling water inlet does not has cooling water inlet discharge switching signal, water ring pump cannot be opened, and described central control unit opens alarm lamp and buzzer via digital output module.
Preferably, also front case is closed gate signal and access described digital quantity input module, when being not detected by front case and closing gate signal, it is impossible to open automatic washing.
Preferably, during automatic washing, central control unit, by when case pressure signal, rear cabinet pressure signal and front case vacuum signal judge that pressure is excessive before obtaining via digital quantity input module, cuts out and cleans main valve, thus protect body of freeze dryer.
The invention have the advantage that and be capable of automatic washing control；And add Stress control, so can ensure that in cleaning process, casing will not suffer damage；Add whether rear cabinet cleans select button, only clean front case and flaggy when need not and cleaning rear cabinet, more adapt to the demand of pharmacy producer.
Accompanying drawing explanation
Fig. 1 is that a kind of automatic washing controls device water inlet structure schematic diagram；
Fig. 2 is that a kind of automatic washing controls device discharge structure schematic diagram；
Fig. 3 is that a kind of automatic washing controls device schematic diagram.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.Following example use a kind of cleaning control device as shown in Figures 1 and 2, it include clean main valve FV19 and clean main valve FV19 connect have front case water inlet inlet valve FV20, rear cabinet intake inlet valve FV52, case intake valve FV11, rear cabinet intake valve FV12 before also having simultaneously, front case is provided with front case pressure transmitter PT2, front case vacuum transducer PT5(uses vacuum gauge), rear cabinet is provided with pressure transmitter PT6.Also include front case drain valve FV26, rear cabinet drain valve FV27, have total drain valve FV32 and water ring pump WRP1, and water ring pump water compensating valve SV401, water ring pump isolating valve FV36 with front case drain valve FV26 and rear cabinet drain valve FV27 is in series.
In conjunction with Fig. 3, the invention provides a kind of automatic washing control method, the steps include:
Step 1, central control unit is connected respectively digital quantity input module, digital output module and Analog input mModule, by cooling water inlet discharge switching signal FSH21, in every threshold switch feedback signal LS89, purge valve switch feedback signal LS30 and front case close gate signal LS26 be respectively connected to digital quantity input module, by front case pressure transmitter PT2, rear cabinet pressure transmitter PT1 and front case vacuum transducer PT5 access Analog input mModule；
Step 2, it is provided with the parameters required for cleaning control, such as, scavenging period is set, is 60 minutes in the present embodiment, water discharge time is set, is 30 minutes in the present embodiment, arrange and vaporize drying time, it is 10 minutes in the present embodiment, and arranges the need of carrying out rear cabinet cleaning；
If step 3 automatic washing condition meets following condition: atmospheric pressure is sufficient, cooling water has water flow signal, water pot communication normal and water pot is not at local controlled state, and just enters step 4 when knowing and front case pass gate signal LS26 detected；
Step 4, opened water ring pump water compensating valve SV401, water ring pump WRP1 and water ring pump isolating valve FV36 to freeze dryer rear cabinet evacuation by central control unit via digital output module, rear cabinet pressure is made to be slightly below atmospheric pressure, in the present embodiment, can be set as≤-0.05MPa, every valve HCY1 in now opening so that front box of freeze dryer has certain vacuum degree；
Step 5, after rear cabinet and front case pressure are all slightly below atmospheric pressure, in an embodiment, need rear cabinet and front case pressure no more than-0.05MPa, enter cleaning case door locked stage；
After step 6, central control unit judge chamber door lock into place via front case pass gate signal LS26 that digital quantity input module obtains, open front case intake valve FV11 via digital output module, rear cabinet intake valve FV12, air inlet main valve FV9 enter air inlet and press the stage again, body of freeze dryer internal gas pressure is made to recover to atmospheric pressure state, in the present embodiment, atmospheric pressure state refer to front case pressure and rear cabinet pressure all >=-0.05MPa；
Step 7, body of freeze dryer recover to atmospheric pressure state, central control unit is opened flaggy purge valve FV20 via digital output module, is cleaned main valve FV18, front case dump valve FV26 and total drain valve FV32 carries out flaggy cleaning, in flaggy cleaning process, cleaner in order to clean, need flaggy to move up and down；
Step 8, after having reached the scavenging period preset, flaggy cleans and terminates, flaggy cleans after terminating, automatically casing wash phase it is cut into, central control unit opens casing purge valve FV22 via digital output module, clean main valve FV18 and front case dump valve FV26, after reaching to clean the setting time, enter casing and clean bleeding stage, central control unit is opened front case dump valve FV26 via digital output module and is discharged by the water for injection in casing, after reaching default water discharge time, current flaggy cleans and casing cleans and terminates, now can preset the number of times cleaned in step 2, when the number of times that flaggy cleans and casing cleans is not up to setting value, circulation performs step 7 and step 8, until the number of times that flaggy cleans and casing cleans reaches setting value；
After step 9, casing have cleaned, judge whether to need rear cabinet to clean according to the parameter that step 2 sets, if desired, then central control unit is opened rear cabinet purge valve FV52 via digital output module and is carried out rear cabinet and draining；If need not, then it is directly entered step 10；
Step 10, central control unit open water ring pump water compensating valve SV401, water ring pump WRP1, water ring pump isolating valve FV36, front case drain valve FV26 and rear cabinet drain valve FV27 via digital output module, enter vaporization drying stage, the vaporization set according to step 2 by central control unit judges to vaporize whether drying stage terminates drying time, and vaporization drying stage enters step 11 after terminating；
After step 11, central control unit open front case intake valve FV11, rear cabinet intake valve FV12 and air inlet main valve FV9 via digital output module, returning to atmospheric pressure state, automatic washing process terminates.
For the sake of security, in above-mentioned steps, when digital quantity input module does not receives purge valve valve switch feedback signal LS30 when wash-out valve is opened, described central control unit open alarm lamp 410 and buzzer 411 via digital output module.
When cooling water inlet does not has cooling water inlet discharge switching signal FSH21, water ring pump WRP1 cannot open, and described central control unit opens alarm lamp 410 and buzzer 411 via digital output module.
Meanwhile, during automatic washing, central control unit, by when case pressure signal P T2, rear cabinet pressure signal P T1 and front case vacuum signal PT5 judge that pressure is excessive before obtaining via digital quantity input module, cuts out and cleans main valve, thus protect body of freeze dryer.
Claims (5)
1. an automatic washing control method, it is characterised in that step is:
Step 1, central control unit is connected respectively digital quantity input module, digital output module and Analog input mModule, it is respectively connected to digital quantity input module every threshold switch feedback signal (LS89) and purge valve switch feedback signal (LS30) in Jiang, front case pressure transmitter (PT2), rear cabinet pressure transmitter (PT1) and front case vacuum transducer (PT5) are accessed Analog input mModule；
Step 2, it is provided with the parameters required for cleaning control；
If step 3 automatic washing meets following condition: atmospheric pressure reaches setting value, cooling water has water flow signal, drying baker chamber door to close, water pot communication is normal and water pot is not at local controlled state, then enter step 4；
Step 4, central control unit open water ring pump water compensating valve (SV401), water ring pump (WRP1) and water ring pump isolating valve (FV36) via digital output module freeze dryer rear cabinet is carried out vacuum pumping, make rear cabinet pressure subatmospheric, every valve (HCY1) in now opening so that front box of freeze dryer has certain vacuum degree；
Step 5, after rear cabinet and front case pressure are below atmospheric pressure, enter cleaning case door locked stage；
After step 6, central control unit judge chamber door lock into place via front case pass gate signal (LS26) that digital quantity input module obtains, via digital output module open front case intake valve (FV11), rear cabinet intake valve (FV12), air inlet main valve (FV9) enter air inlet press the stage again, make body of freeze dryer internal gas pressure recover to atmospheric pressure state；
Step 7, body of freeze dryer recover to atmospheric pressure state, and central control unit is opened flaggy purge valve (FV20) via digital output module, cleaned main valve (FV18), and front case drain valve (FV26) and total drain valve (FV32) carry out flaggy cleaning；
Step 8, flaggy clean after terminating, automatically casing wash phase it is cut into, central control unit is opened casing purge valve (FV22) via digital output module, is cleaned main valve (FV18) and front case drain valve (FV26), after reaching to clean the setting time, entering casing and clean bleeding stage, central control unit is opened front case drain valve (FV26) via digital output module and is discharged by the water for cleaning in casing；
After step 9, casing have cleaned, judge whether to need rear cabinet to clean according to the parameter that step 2 sets, if desired, then central control unit is opened rear cabinet purge valve (FV52) via digital output module and is carried out rear cabinet and draining；If need not, then it is directly entered step 10；
Step 10, central control unit open water ring pump water compensating valve (SV401), water ring pump (WRP1), water ring pump isolating valve (FV36), front case drain valve (FV26) and rear cabinet drain valve (FV27) via digital output module, enter vaporization drying stage, being judged to vaporize whether drying stage terminates according to the parameter that step 2 sets by central control unit, vaporization drying stage enters step 11 after terminating；
After step 11, central control unit open front case intake valve (FV11), rear cabinet intake valve (FV12) and air inlet main valve (FV9) via digital output module, returning to atmospheric pressure state, automatic washing process terminates.
2. a kind of automatic washing control method as claimed in claim 1, it is characterized in that, also purge valve valve switch feedback signal (LS30) is accessed described digital quantity input module, when digital quantity input module does not receives purge valve valve switch feedback signal (LS30) when wash-out valve is opened, described central control unit open alarm lamp (410) and buzzer (411) via digital output module.
3. a kind of automatic washing control method as claimed in claim 1, it is characterized in that, also described digital quantity input module is accessed in cooling water inlet discharge switching signal (FSH21), when cooling water inlet does not has cooling water inlet discharge switching signal (FSH21), water ring pump (WRP1) cannot be opened, and described central control unit opens alarm lamp (410) and buzzer (411) via digital output module.
4. a kind of automatic washing control method as claimed in claim 1, it is characterised in that also front case is closed gate signal (LS26) and access described digital quantity input module, when being not detected by front case and closing gate signal (LS26), it is impossible to open automatic washing.
5. a kind of automatic washing control method as claimed in claim 1; it is characterized in that; during automatic washing; central control unit is by when before obtaining via digital quantity input module, case pressure transmitter (PT2) signal, rear cabinet pressure transmitter (PT1) signal and front case vacuum transducer (PT5) signal judge that pressure is excessive; close and clean main valve, thus protect body of freeze dryer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299101.9A CN103792902B (en) | 2013-07-16 | 2013-07-16 | A kind of automatic washing control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310299101.9A CN103792902B (en) | 2013-07-16 | 2013-07-16 | A kind of automatic washing control method |
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| CN103792902A CN103792902A (en) | 2014-05-14 |
| CN103792902B true CN103792902B (en) | 2016-09-14 |
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| CN201310299101.9A Active CN103792902B (en) | 2013-07-16 | 2013-07-16 | A kind of automatic washing control method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763093A (en) * | 2009-12-28 | 2010-06-30 | 中国船舶重工集团公司第七�三研究所 | CIP (Cleaning In Place) automatic cleaning method |
| CN102288018A (en) * | 2011-06-07 | 2011-12-21 | 上海东富龙科技股份有限公司 | Automatic feeding device and method of vacuum freezer dryer |
| CN102698997A (en) * | 2012-05-28 | 2012-10-03 | 上海东富龙制药设备制造有限公司 | Method for cleaning and sterilizing material barrel on line for aseptic production |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009043425A1 (en) * | 2009-09-29 | 2011-04-07 | Siemens Aktiengesellschaft | Simulation system and method for a technical plant |
| US8295979B2 (en) * | 2010-01-06 | 2012-10-23 | Deere & Company | Adaptive scheduling of a service robot |
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- 2013-07-16 CN CN201310299101.9A patent/CN103792902B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101763093A (en) * | 2009-12-28 | 2010-06-30 | 中国船舶重工集团公司第七�三研究所 | CIP (Cleaning In Place) automatic cleaning method |
| CN102288018A (en) * | 2011-06-07 | 2011-12-21 | 上海东富龙科技股份有限公司 | Automatic feeding device and method of vacuum freezer dryer |
| CN102698997A (en) * | 2012-05-28 | 2012-10-03 | 上海东富龙制药设备制造有限公司 | Method for cleaning and sterilizing material barrel on line for aseptic production |
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Address after: 201109 Shanghai city Minhang District Fanghe Road No. 2199 Patentee after: Dongfulong Technology Group Co.,Ltd. Address before: 201109 Shanghai city Minhang District Fanghe Road No. 2199 Patentee before: SHANGHAI TOFFLON SCIENCE AND TECHNOLOGY Co.,Ltd. |
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