CN1067564A - Control of tinned food microcomputerized automatic disinfecting and device thereof - Google Patents
Control of tinned food microcomputerized automatic disinfecting and device thereof Download PDFInfo
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- CN1067564A CN1067564A CN 92103760 CN92103760A CN1067564A CN 1067564 A CN1067564 A CN 1067564A CN 92103760 CN92103760 CN 92103760 CN 92103760 A CN92103760 A CN 92103760A CN 1067564 A CN1067564 A CN 1067564A
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- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The present invention relates to a kind of operating process and device thereof of preserving canned food that heat, undertaken by the high temperature high pressure sterilizing work flow, with the micro computer processing host is core component, pass through temperature, pressure, water level detector and time meter, move by the programming control electromagnetic valve group, connect steam respectively, pressurized air and cooling water expansion tank are also controlled steam discharge and are discharged water, by the temperature of setting, pressure, time, through the intensification steam discharge, sterilizing time, the pressurization cooling is until finishing whole sterilization operation, driving sound, light is reported to the police, has temperature control, pressure control is accurate, operation automation, advantage such as bactericidal effect is good.
Description
The present invention relates to the preservation of food or food, relate to a kind of operating process and device thereof of preserving canned food that heat or rather.
Make canned food, for it can be saved and not degenerate for a long time, the general high-pressure and high-temperature steam pasteurization operation that all need pass through disinfection tank, and in the sterilization operation of High Temperature High Pressure, temperature control is again the topmost factor that influences bactericidal effect, its precision requires to reach in 0.5 ℃ usually, the mode of present sterilization temperature, generally carry out set by step with manual type, promptly by artificial visually examine's temperature gage, service temperature control cock etc. again is with sterilization temperature, sterilizing time keeps within limits, thereby not only labor intensive is many, and because the effect of human element is arranged, and influenced control accuracy of temperature, and can't keep consistency, the quality of tinned food influenced.
The objective of the invention is the overall process according to the operation of tinned food disinfection tank high temperature high pressure sterilizing, a kind of tinned food disinfection tank of optimal design constant temperature automatic holding device carries out the operation of full automaticity programming control to replace the manual operation sterilization fully.
Automatic sterilizing of the present invention is controlled by three flow operations: intensification steam discharge flow process is a logical steam in disinfection tank, the while steam discharge, temperature reaches setting value in jar, and the sterilizing time flow process is when temperature reaches setting value in the jar, be controlled in the time of setting, keep a jar interior temperature and pressure; Pressurization, cooling, alarm processing are after sterilizing time is finished, in timing, in disinfection tank, lead to pressurized air, and then in disinfection tank logical cooling water expansion tank, a constant voltage in keeping jar, and temperature, pressure are progressively descended discharges water when the cooling water expansion tank water level reaches setting position in jar and when water temperature is setting value, stop into water, drain into another setting position until the cooling water expansion tank water level, drive alarm mechanism and send sound and light alarm, expression sterilization operation process finishes.
The design-calculated device is a core component with the micro computer processing host according to automatic sterilizing control operation of the present invention, and its input port is connected to the temperature sensor of temperature in the monitoring disinfection tank; The water level detector of cooling water expansion tank water level in the crystal pressure transducer of monitoring disinfection tank internal pressure and the monitoring disinfection tank, the micro computer processing host receives monitor signal, and judge, change over to the corresponding program of carrying out, the delivery port of micro computer processing host is connected to the batch processing control electromagnetic valve, electromagnetic valve is connected with cooling water system, steam unit and compressed air system respectively, electromagnetic valve is opened or closed by the control of micro computer processing host, finishes intensification, steam discharge in the sterilization operation; Sterilizing time; Pressurization cooling alarm processing, wherein exhaust steam pressure value, steam discharge time, sterilization pressure value, sterilizing time can be set with the food kind is different, and the sterilization control setup contains time meter, can be used for measuring the time of various operations.
Describe technology of the present invention in detail below in conjunction with the embodiment accompanying drawing.
Accompanying drawing 1 is a tinned food microcomputerized automatic disinfecting control setup structural principle block scheme.
Accompanying drawing 2 is a tinned food microcomputerized automatic disinfecting control operation diagram of circuit.
Referring to accompanying drawing 1, the sterilization control setup comprises that micro computer processing host 1, temperature sensor 2, crystal pressure transducer 3, time meter 4, water level detector 7 and programming control electromagnetic valve group 5,6 are the tinned food disinfection tank.Temperature sensor 2, crystal pressure transducer 3, the temperature that water level detector 7 detects in the tinned food disinfection tank, pressure and water level situation, the micro computer processing host is pressed the temperature of preset program and setting, force value etc. are according to the detecting signal of the sensor of being visited, drive electromagnetic valve group 5 actions, until finishing whole sterilization operation process, electromagnetic valve group 5 comprises the steam cock V1 of logical steam, by pass valve V2, the sluicing valve V3 of cooling water expansion tank in the venting jar, vapor cock V4, V7-1, V7-2, the cooling-water valve V5 of cooling water expansion tank is put in control in jar, logical compressed-air actuated compressed air valve V6, draining and the sluicing valve V8 that links to each other with by pass valve V2.The electric current input value of embodiment temperature sensor 2 is that PT100, output signal are that 4～20mA, temperature-measuring range are 80 ℃～130 ℃.The measured value of crystal pressure transducer 3 is 0～2kg/cm
2, (high pressure is 0～3.5kg/cm
2And 0～5kg/cm
2) output signal is 4～20mA, temperature accuracy is in 0.5 ℃, pressure precision is 0.05kg/cm
2In.
Referring to accompanying drawing 2, the task program of sterilization is earlier according to the kind design temperature for the treatment of disinfecting food, time, pressure, make system finishing by the micro computer processing host, because influencing the principal element of bactericidal effect is temperature, temperature below 80 ℃ can be ignored, thereby the range of temperatures of temperature sensor 2 sensings is 80～130 ℃, temperature sensor 2 output signals are 4～20mA, detect via the micro computer processing host, amplify, computing, the taking-up setting value is also set, simultaneously, in sterilization process, pressure control to be aided with, constant voltage mutually on duty in the jar be kept, thereby crystal pressure transducer 3 output signals 4～20mA, detect via the micro computer processing host, amplify, computing, the taking-up setting value is also set.In jar water level detector 7 be predetermined fixed in jar, a water level situation in the reflection jar detects for the micro computer processing host, time meter 4 has fixing crystal oscillation frequency, press the setting-up time value and moves by micro computer processing host programming control electromagnetic valve group 5.
Intensification steam discharge program is to open into steam by steam cock V1 earlier, and vapor cock V4, V7-1, V7-2 open steam discharge simultaneously, and the steam discharge time can be according to the different temperature of setting of adjusting of made can kind.Temperature when for example setting steam discharge and finishing is 105～107 ℃, promptly entering second program after steam discharge is finished is sterilizing time, vapor cock V4 closes, time meter 4 is by the sterilizing time value timing of setting, simultaneously by temperature sensor 2, crystal pressure transducer 3 is followed the tracks of temperature and the force value of setting, and handle the signal of passing back at any time by micro computer processing host 1, output execution command control steam cock V1, vapor cock V4, V7-1, V7-2 opens, turn-off, make and keep constant temperature in the disinfection tank, constant voltage, arrive until the sterilizing time of setting, this moment steam cock, vapor cock V1, V7-1, V7-2 is closed by instruction control, the 3rd operation program that then enters is promptly pressurizeed, cooling and alarm, the V6 valve is opened by instruction control, pressurized air enters in the jar, (according to the food variety difference, pressurization value is also different, is generally 0～0.2kg/cm by the timing of setting pressing time for time meter 4 simultaneously
2), then the V5 valve is opened in jar logical cooling water expansion tank and is made it cooling, this moment is owing to a jar interior temperature sharply descends, causing pressure to change strengthens, the current signal that the micro computer processing host is exported according to temperature sensor 2 and crystal pressure transducer 3, at any time control compressed air valve, opening of vapor cock etc., turn-off, keep voltage stabilizing in the disinfection tank, and make temperature, pressure process in time descends slowly, and when the cooling water expansion tank in disinfection tank rose to the high water level place of setting, the micro computer processing host detected water level signal by water level detector, close cooling-water valve V5, open V2 simultaneously, the V8 valve makes the cooling water expansion tank that flowed out by disinfection tank 6 bottoms again in the flow into tank, realize the circulating water cooling through by pass valve V2.When the detected cooling water temperature of temperature sensor is that setting value is during as 50～60 ℃, the V2 valve cuts out, sluicing valve V3, vapor cock V4 open, and cooling water expansion tank is discharged by the V3 valve, finishes until draining, water level detector detects the low water signal, the micro computer processing host is sent alerting signal driving sound, light and is reported to the police, and represents that whole sterilization processs finish, and opens the disinfection tank door and takes out can, a jar door is closed in charging once more, carries out the sterilization operation second time.
In the enforcement, for preventing in the operation process that powers failure takes place waits emergency situation, can be on installing attached hand switch, each main control valve is equipped with manual control mechanism etc.
In sum, food preservation pasteurization device of the present invention is pressed the optimizer operation, the temperature control precision height can improve canned food sterilization benefit, not only reduces manpower, financial resources, exempt the manual operation fault, can also guarantee the quality of tinned food, the present invention is through trial effect is good repeatedly.
Claims (3)
1, a kind of tinned food disinfection tank automatic sterilizing control flow is characterized in that, comprises the following steps:
1) intensification, steam discharge, steam is opened the vapor cock steam discharge simultaneously in steam cock enters disinfection tank;
2) sterilizing time when temperature reaches setting value in disinfection tank, in timing, is kept constant temperature and pressure in the disinfection tank, control steam cock, vapor cock action;
3) pressurization, cooling, warning, at sterilizing time then, steam off valve and vapor cock, open compressed air valve logical pressurized air in disinfection tank, then cooling water expansion tank is in cooling-water valve enters disinfection tank, keep a jar interior voltage stabilizing, when cooling water expansion tank rises to designated water level in disinfection tank, close cooling-water valve, sluicing valve through being connected with by pass valve is discharged cooling water expansion tank and circulating reflux is cooled off to disinfection tank, when cooling water temperature reaches setting value, discharges cooling water expansion tank through sluicing valve, when water level was lower than another desired location, the sterilization operation was finished in the sound and light alarm indication.
2, a kind of tinned food disinfection tank automatic sterilizing control setup of operating by the described flow process of claim 1, it is characterized in that comprising: the micro computer processing host, its input port is connected to the temperature sensor of temperature in the monitoring disinfection tank, the water level detector of cooling water expansion tank water level in the crystal pressure transducer of monitoring disinfection tank internal pressure and the monitoring disinfection tank, its delivery port is connected to the batch processing control electromagnetic valve, electromagnetic valve respectively with comprise into, the cooling water system of draining, comprise into, the steam unit of steam discharge and advancing, the compressed air system of steam discharge is connected, and also includes time meter.
3, flow process according to claim 2 and the tinned food disinfection tank automatic sterilizing control setup operated, the temperature sensitive range that it is characterized in that described temperature sensor is 80～130 ℃, the electric current input value is PT100, output current value is 4～20mA, and the measured value of crystal pressure transducer is 0～2kg/cm
2, output signal is 4～20mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103760 CN1067564A (en) | 1992-05-21 | 1992-05-21 | Control of tinned food microcomputerized automatic disinfecting and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92103760 CN1067564A (en) | 1992-05-21 | 1992-05-21 | Control of tinned food microcomputerized automatic disinfecting and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1067564A true CN1067564A (en) | 1993-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92103760 Pending CN1067564A (en) | 1992-05-21 | 1992-05-21 | Control of tinned food microcomputerized automatic disinfecting and device thereof |
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| CN (1) | CN1067564A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869344A (en) * | 2010-06-12 | 2010-10-27 | 邵慈波 | Canned food high temperature sterilizer |
| CN103431131A (en) * | 2013-08-15 | 2013-12-11 | 湖南中烟工业有限责任公司 | High-precision temperature control method for interlayer steam heating |
| CN104698963A (en) * | 2015-02-11 | 2015-06-10 | 同福碗粥股份有限公司 | Automatic bowl porridge sterilizing process |
| CN105265991A (en) * | 2015-10-13 | 2016-01-27 | 同福碗粥股份有限公司 | Fractional sterilization method for canned porridge |
| CN105901469A (en) * | 2016-06-29 | 2016-08-31 | 江苏楷益智能科技有限公司 | Continuous food sterilization device |
| CN108444202A (en) * | 2018-03-05 | 2018-08-24 | 青岛海尔股份有限公司 | A kind of control method and refrigerator for refrigerator sterilization |
| CN113760005A (en) * | 2021-09-15 | 2021-12-07 | 天良智能设备(上海)股份有限公司 | Sterilizing machine temperature and pressure combined control method, device, equipment and medium |
-
1992
- 1992-05-21 CN CN 92103760 patent/CN1067564A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869344A (en) * | 2010-06-12 | 2010-10-27 | 邵慈波 | Canned food high temperature sterilizer |
| CN103431131A (en) * | 2013-08-15 | 2013-12-11 | 湖南中烟工业有限责任公司 | High-precision temperature control method for interlayer steam heating |
| CN104698963A (en) * | 2015-02-11 | 2015-06-10 | 同福碗粥股份有限公司 | Automatic bowl porridge sterilizing process |
| CN105265991A (en) * | 2015-10-13 | 2016-01-27 | 同福碗粥股份有限公司 | Fractional sterilization method for canned porridge |
| CN105901469A (en) * | 2016-06-29 | 2016-08-31 | 江苏楷益智能科技有限公司 | Continuous food sterilization device |
| CN108444202A (en) * | 2018-03-05 | 2018-08-24 | 青岛海尔股份有限公司 | A kind of control method and refrigerator for refrigerator sterilization |
| CN113760005A (en) * | 2021-09-15 | 2021-12-07 | 天良智能设备(上海)股份有限公司 | Sterilizing machine temperature and pressure combined control method, device, equipment and medium |
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