CN103625007A - Remainder detection method and device for oil press - Google Patents
Remainder detection method and device for oil press Download PDFInfo
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- CN103625007A CN103625007A CN201310595030.7A CN201310595030A CN103625007A CN 103625007 A CN103625007 A CN 103625007A CN 201310595030 A CN201310595030 A CN 201310595030A CN 103625007 A CN103625007 A CN 103625007A
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Abstract
The invention discloses a remainder detection method and device for an oil press. The method comprises the following steps: S0, a first cooling period, a processing temperature range and a second cooling period are set; S1, an oil expression raw material is placed in the device, and the first cooling period and the processing temperature range are selected; S2, the oil expression raw material is heated, and heating is not stopped until the temperature rises to an upper limit value in the processing temperature range; S3, timing is started and is not stopped until the temperature drops to a lower limit value in the processing temperature range, and then an actual cooling period is obtained; S4, whether the actual cooling period is longer than the second cooling period is judged; S5, whether the actual cooling period is shorter than the first cooling period is judged; S6, whether the oil expression raw material remains in a funnel of the oil press is judged. The remainder detection method and device for the oil press have the advantages that cost of a domestic oil press is lowered, the domestic oil press is more suitable for operation in a high-temperature environment, and the service life of the domestic oil press is prolonged.
Description
Technical field
The present invention relates to oil expression field, more particularly, relate to a kind of clout detection method and device for oil press.
Background technology
Whether whether most Domestic oil press adopt photoelectric sensor to exist oil expression raw material to squeeze with judgement oil expression raw material in detecting funnel in the funnel of surplus oil expression raw material; if squeezed; make oil press autostop, thereby guarantee that oil press is having oil expression to work raw material in the situation that.Yet photoelectric sensor need to be set up cost compared with high IR sensor, and infrared sensor is short service life in hot environment, has greatly affected machine life.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of clout detection method and device for oil press.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of clout detection method for oil press, the method comprises:
S0: first temperature fall time corresponding with the kind of oil expression raw material, corresponding with the oil product type that needs to produce is set in oil press, comprises emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press;
S1: in the funnel of oil press, put into oil expression raw material, and according to kind first temperature fall time and the processing temperature scope corresponding with the oil product type selecting that needs to produce of putting into the oil expression raw material of oil press;
S2: described oil expression raw material is sent into the squeezing thorax of oil press from described funnel, heat described oil expression raw material with the processing procedure that extracts oil, detect the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material is while rising to the higher limit of selected processing temperature scope, stop heating, and the oil expression raw material after heating is discharged from squeeze thorax;
S3: start to detect the temperature of described squeezing thorax from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing;
S4: judge that whether described actual temperature fall time is greater than described the second temperature fall time, if so, goes to step S6; If not, go to step S5;
S5: judge whether described actual temperature fall time is less than described the first temperature fall time, if so, judge the clout that still has oil expression raw material in the funnel of described oil press, go to step S2; If not, go to step S6;
S6: judge in the funnel of described oil press without oil expression raw material.
In clout detection method of the present invention, described step S0 also comprises:
Calibration value T and the first default correction value a that the processing temperature scope corresponding with the oil product type that needs to produce is set, be defined as T ± a by described processing temperature scope.
In clout detection method of the present invention, described step S4 also comprises:
When the described oil press of judgement still has the clout of oil expression raw material, calculate and record all actual temperature fall times.
In clout detection method of the present invention, described step S5 comprises following sub-step:
S51: judge whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed, if so, judge the clout that still has oil expression raw material in the funnel of described oil press, and go to step S2; If not, go to sub-step S52;
S52: the difference of calculating the actual temperature fall time that the last temperature of squeezing thorax of described actual temperature fall time and described oil press experiences when the higher limit of selected processing temperature scope drops to lower limit, if without actual temperature fall time of last time, calculate the difference of described actual temperature fall time and the first temperature fall time; If described difference is less than the second preset value b, in the funnel of described oil press, still have the clout of oil expression raw material, go to step S2, if described difference is not less than the second preset value b, go to step S6.
In clout detection method of the present invention, described step S6 also comprises: send without oil expression raw material and the prompting of putting into the raw material that extracts oil.
In clout detection method of the present invention, described step S6 also comprises:
The temperature value that shows described oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material.
Another aspect of the present invention, provides a kind of clout checkout gear for oil press, is arranged in described oil press, and this device comprises:
Memory module, for first temperature fall time corresponding with the kind of the raw material that extracts oil, corresponding with the oil product type that needs to produce is set, comprise emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press;
Operational module, for selecting the first temperature fall time and processing temperature scope;
Heating module for from heating described oil expression raw material with the processing procedure that extracts oil, detects the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material while rising to the higher limit of selected processing temperature scope, stops heating;
Timing module, for start to detect the temperature of described squeezing thorax from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing;
The first judge module, for judging whether described actual temperature fall time is greater than the second temperature fall time;
The second judge module, for judging whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed;
Whether control module, for judging according to the judged result of the first judge module and the second judge module in the funnel of described oil press without oil expression raw material.
In clout checkout gear of the present invention, described memory module is also for arranging calibration value T and the first preset value a of the processing temperature scope corresponding with the oil product type of needs production, and described processing temperature scope is T ± a;
Described memory module is also for actual temperature fall time at least one times described in storing;
This device also comprises computing module, for calculating the difference of described actual temperature fall time and the actual temperature fall time of last time, if without actual temperature fall time of last time, calculate the difference of described actual temperature fall time and the first temperature fall time, and by described difference and the second preset value b comparison;
Described control module also quits work for controlling described oil press according to the result of calculation of computing module.
In clout checkout gear of the present invention, described operational module also comprises display unit, for sending without oil expression raw material and the prompting of putting into the raw material that extracts oil.
In clout checkout gear of the present invention, described display unit is also for showing the temperature value of described oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material.
Implement clout detection method and the device for oil press of the present invention, there is following beneficial effect: reduce the cost of Domestic oil press, be more suitable for working under hot environment, extended the life-span of Domestic oil press.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the flow chart of a kind of clout detection method for oil press of providing of preferred embodiment of the present invention;
Fig. 2 is the block diagram of a kind of clout checkout gear for oil press of providing of preferred embodiment of the present invention;
Fig. 3 is the structural representation of Domestic oil press;
Fig. 4 is the schematic diagram of the operational module of the clout checkout gear for oil press provided by the invention;
Fig. 5 is the flow chart of a kind of clout detection method for oil press of providing of another preferred embodiment of the present invention;
Fig. 6 is the block diagram of a kind of clout checkout gear for oil press of providing of another preferred embodiment of the present invention.
The specific embodiment
For technical characterictic of the present invention, object and effect being had more clearly, understand, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1, the flow chart of a kind of clout detection method for oil press providing at preferred embodiment of the present invention, a kind of clout detection method for oil press is provided, oil expression raw material after the method utilization squeezing can be taken away rapidly this feature of Domestic oil press internal heat, judge in Domestic oil press whether still have the not oil expression raw material of squeezing, the method comprises:
S0: first temperature fall time corresponding with the kind of oil expression raw material, corresponding with the oil product type that needs to produce is set in oil press, comprises emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press;
For example: the kind that multiple oil expression raw material is set comprises granule, middle grain and large grain are set, wherein, granule comprises tea-seed oil, sesame wet goods, and middle grain comprises peanut oil, almond wet goods, and large grain comprises walnut oil, camellia wet goods; First temperature fall time corresponding with described granule be set be value in the scope of 45 seconds to 48 seconds, first temperature fall time corresponding with described middle grain is set is value in the scope of 53 seconds to 60 seconds, setting and described large corresponding the first temperature fall time are value in the scope of 60 seconds to 65 seconds; For example, the first temperature fall time that granule is corresponding is 48 seconds, and the first temperature fall time corresponding to middle grain is 60 seconds, and the temperature fall time of large grain is 65 seconds;
Described multiple oil product type is set to be comprised auxotype and Luzhou-flavor is set; It is 70 ℃ to 90 ℃ that the processing temperature scope corresponding with described auxotype is set, and it is 180 ℃ to 200 ℃ that the processing temperature scope corresponding with described Luzhou-flavor is set;
It is 90 seconds that described the second temperature fall time is set.
S1: in the funnel 2 of oil press, put into oil expression raw material, and according to kind first temperature fall time and the processing temperature scope corresponding with the oil product type selecting that needs to produce of putting into the oil expression raw material of oil press; For example, the oil expression raw material of putting into is sesame, and selecting oil expression type of feed is granule, and oil product type is auxotype.
S2: described oil expression raw material is sent into the squeezing thorax 3 of oil press from described funnel 2, heat described oil expression raw material with the processing procedure that extracts oil, detect the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material is while rising to the higher limit of selected processing temperature scope, stop heating, and the oil expression raw material after heating is discharged from squeeze thorax 3; For example, the processing temperature scope that auxotype is corresponding is 70 ℃ to 90 ℃, when sesame is heated to 90 ℃, stops heating; Oil expression raw material after heating is discharged from squeeze thorax 3, if still have the clout of oil expression raw material, by described clout landing and fill up described squeezing thorax 3;
S3: start to detect the temperature of described squeezing thorax 3 from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax 3 stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing; For example, when sesame drops to 70 ℃ from 90 ℃, obtaining this temperature fall time, is 45 seconds.
S4: judge that whether described actual temperature fall time is greater than described the second temperature fall time, if so, goes to step S6; If not, go to step S5; For example, within 45 seconds, be less than the second temperature fall time 90 seconds, go to step S5; If temperature fall time is 98 seconds, be greater than the second temperature fall time 90 seconds, judge in Domestic oil press without the sesame of squeezing not, go to step S6.
S5: judge whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed, if so, the funnel 2 of described oil press still has the clout of oil expression raw material, goes to step S2; If not, go to step S6; For example, within 45 seconds, be less than the first temperature fall time 48 seconds, at this moment judge and in Domestic oil press, still have the not sesame of squeezing, at this moment because oil expression raw material is after squeezing, can produce oil and the dregs of fat, oil and the dregs of fat can be taken away the heat in Domestic oil press, and this temperature fall time can be shorter, now need again to squeeze sesame oil, therefore go to step S2; If temperature fall time is 70 seconds, be less than the second temperature fall time 90 seconds, be greater than the first temperature fall time 48 seconds, now general estimation is without oil expression raw material, goes to step S6.
S6: judge that described oil press, without oil expression raw material, controls described oil press and quit work, prompting adds oil expression raw material.During without oil expression raw material, can restart work by putting into oil expression raw material.
(as shown in Figure 2) on the other hand of the present embodiment, a kind of clout checkout gear for oil press is provided, this device 1 is arranged in described Domestic oil press, Domestic oil press as shown in Figure 3, comprises device 1, funnel 2, squeezing thorax 3, draw-off tray 4, dregs of fat chamber 5, oil expression motor 6, centrifugal pan 7, centrifugal motor 8 and lubricating cup 9.
This device 1 comprises:
Memory module, for first temperature fall time corresponding with the kind of the raw material that extracts oil, corresponding with the oil product type that needs to produce is set, comprise emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press; This memory module can be flash module, storage configuration information.
Operational module, for selecting the first temperature fall time and processing temperature scope, this operational module is generally man-machine interface, as shown in Figure 4, man-machine interface has comprised " beginning ", " squeezing ", button or the prompting frame such as " complete ", and for showing the time showing frame of actual temperature fall time, the prompting frame or the button that also comprise the oil product type of available " Luzhou-flavor " and " auxotype ", available " large grain ", prompting frame or the button of the oil expression type of feed of " middle grain " and " granule ", wherein, the prompting frame of " granule " or button below have also identified " tea-seed oil " and " sesame oil ", prompting frame or the button below of " middle grain " have also identified " peanut oil " and " apricot kernel oil ", the prompting frame of " granule " or button below have also identified " walnut oil " and " camellia oil ".Press " beginning " key, and select as required oil product type and oil expression type of feed, can start oil expression.At this moment, oil expression raw material enters and squeezes thorax 3 from funnel 2.
Heating module for from heating described oil expression raw material with the processing procedure that extracts oil, detects the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material while rising to the higher limit of selected processing temperature scope, stops heating; Heating module can adopt heating plate and relay to heat squeezing thorax 3 according to selected oil product type, the temperature of squeezing thorax 3 detects and controls by being arranged at the temperature sensor of heating module inside, and the motor 6 that now extracts oil is in the duty to the squeezing of oil expression raw material.For example, selecting oil product type is auxotype, when fever tablet reaches 90 ℃, the relay of controlling fever tablet temperature disconnects, and squeeze thorax heat absorption because oil expression raw material enters this time, so the temperature of fever tablet can reduce gradually, when the temperature of fever tablet drops to 70 ℃, the relay closes of controlling fever tablet temperature makes fever tablet heating, until temperature is increased to 90 ℃, so repeatedly.
Timing module, for start to detect the temperature of described squeezing thorax 3 from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax 3 stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing; Oil expression raw material is squeezing thorax 3 after high temperature squeezing, produce oil and oil expression raw material slag, oil flows to centrifugal pan 7 after concentrating on draw-off tray 4, at set intervals, centrifugal motor 8 drives centrifugal pan 7 operations, carries out after high speed centrifugation, and the impurity in oil is stayed in centrifugal pan 7, oil flow in outside lubricating cup 9, and the oil expression raw material slag after high temperature squeezing is fallen in dregs of fat chamber 5.
The first judge module, for judging whether described actual temperature fall time is greater than the second temperature fall time corresponding to selected oil expression type of feed; If be greater than the second temperature fall time corresponding to selected oil expression type of feed, judge the funnel raw material that do not extracted oil, causing this time the reason of temperature fall time field is that the raw material that do not extract oil enters and squeezes thorax 3 and absorb heats or there is no oil and oil expression raw material slag is taken away heat, thus cause the temperature of fever tablet can only be by external cooling slow decreasing.When being greater than the second temperature fall time corresponding to selected oil expression type of feed, historical facts or anecdotes border temperature fall time can judge in Domestic oil press without oil expression raw material.
The second judge module, for judging whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed; When Domestic oil press has oil expression raw material, actual temperature fall time is generally all less than the first temperature fall time corresponding to selected oil expression type of feed, thereby judges that Domestic oil press has oil expression raw material.
Whether control module, for judging according to the judged result of the first judge module and the second judge module in the funnel 2 of described oil press without oil expression raw material.Control module can adopt single-chip microcomputer also can adopt microprocessor, and all modules are managed and controlled.
As shown in Figure 5, the flow chart of a kind of clout detection method for oil press providing at another preferred embodiment of the present invention, a kind of clout detection method for oil press is provided, the method is based on a upper embodiment, to producing a plurality of actual temperature fall times, revise judgement, thereby reduced the probability of the first judge module and the erroneous judgement of the second judge module.
The method comprises:
S200: first temperature fall time corresponding with the kind of oil expression raw material, corresponding with the oil product type that needs to produce is set in oil press, comprises emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press; Wherein, calibration value T and the first preset value a of the processing temperature scope corresponding with the oil product type that needs to produce is set, described processing temperature scope is T ± a, and the higher limit of described processing temperature scope is T+a, and lower limit is T-a.For example, the calibration value T=80 ℃ of the processing temperature scope of auxotype, the first preset value a=10 ℃, processing temperature scope is 80 ± 10 ℃ so, and higher limit is 90 ℃, and lower limit is 70 ℃.
S201: put into oil expression raw material in the funnel 2 of described Domestic oil press, the landing of described oil expression raw material is to the squeezing thorax 3 of described Domestic oil press, and corresponding the first temperature fall time and the processing temperature scope of oil product type selecting of producing with needs according to the kind of putting into the oil expression raw material of oil press.
S202: described oil expression raw material is sent into the squeezing thorax 3 of oil press from described funnel 2, heat described oil expression raw material with the processing procedure that extracts oil, detect the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material is while rising to the higher limit of selected processing temperature scope, stop heating, and the oil expression raw material after heating is discharged from squeeze thorax 3; Oil expression raw material, after heating, if described oil press still has oil expression raw material, heats oil expression raw material again; Oil expression raw material produces oil and oil expression raw material slag in squeezing thorax 3 through heating and after 6 squeezings of oil expression motor, described oil and described oil expression raw material slag are discharged from described squeezing thorax 3, while still there is oil expression raw material in described squeezing thorax 3 Existential Spaces and described funnel 2, described oil expression raw material is full of described squeezing thorax 3.
S203: the temperature that starts to detect described squeezing thorax 3 from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax 3 stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing; If produce actual temperature fall time at least one times, actual temperature fall time at least one times described in record.
S204: judge that whether described actual temperature fall time is greater than described the second temperature fall time, if so, goes to step S207; If not, go to step S205;
S205: judge whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed, if so, still have the clout of oil expression raw material in the funnel 2 of described oil press, go to step S202; If not, go to step S206;
S206: the difference of calculating described actual temperature fall time and the actual temperature fall time of last time, if without actual temperature fall time of last time, calculate the difference of described actual temperature fall time and the first temperature fall time, if be less than the second preset value b, in the funnel 2 of described oil press, still have the clout of oil expression raw material, go to step S202, if be not less than the second preset value b, go to step S207.For example, selected oil expression type of feed is " granule ", selected oil product type is " auxotype ", after repeatedly squeezing, this time actual temperature fall time is 70S, and the last actual squeezing time is 45S, difference is greater than the second preset value b, b=20S, judges without oil expression raw material, goes to step S207.If the last time is 55S, difference is less than 20S, can not determine whether and extract oil, and goes to step S202, enters the next oil expression cycle.
S207: judge in the funnel 2 of described oil press without oil expression raw material, control described Domestic oil press and quit work.The temperature value that shows described oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material; If temperature value is not less than the 3rd preset value c, prompting can not be put into the second sign of oil expression raw material.For example, when Domestic oil press need to add oil expression raw material or need to clean because of nothing oil expression raw material, because oil press quits work soon, temperature may be too high, now be shown as the prompting (as Fig. 3) of " high temperature ", if direct control can be scalded user's hand, the temperature that therefore only needs to be squeezed thorax is reduced to below the 3rd preset value c (c=50 ℃), be shown as the prompting of " low temperature ", user adds oil expression raw material or cleans just safer.
(as shown in Figure 6) on the other hand of the present embodiment, provides a kind of clout checkout gear for oil press, is arranged in described Domestic oil press, and this device comprises:
Memory module, for first temperature fall time corresponding with the kind of the raw material that extracts oil, corresponding with the oil product type that needs to produce is set, comprise emptying rear the second temperature fall time that Domestic oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in Domestic oil press; Calibration value T and the first preset value a that the processing temperature scope corresponding with the oil product type that needs to produce is set, described processing temperature scope is T ± a, and the higher limit of described processing temperature scope is T+a, and lower limit is T-a; Also for actual temperature fall time at least one times described in storing;
Operational module, for selecting the first temperature fall time and processing temperature scope; Operational module also comprises display unit, for showing the temperature value of described Domestic oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material.
Heating module for from heating described oil expression raw material with the processing procedure that extracts oil, detects the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material while rising to the higher limit of selected processing temperature scope, stops heating;
Timing module, timing module for start to detect the temperature of described squeezing thorax 3 from stopping the moment of heating, starts timing simultaneously, until the temperature of described squeezing thorax 3 stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing;
The first judge module, for judging whether described actual temperature fall time is greater than the second temperature fall time corresponding to selected oil expression type of feed;
The second judge module, for judging whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed;
Control module, whether for judging according to the judged result of the first judge module, the second judge module and computing module in the funnel 2 of described oil press without oil expression raw material, control described Domestic oil press and quit work, prompting adds oil expression raw material.
Computing module, for calculating described actual temperature fall time and the actual temperature fall time of last time or the difference of the first temperature fall time, and by described difference and the second preset value b comparison.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (10)
1. for a clout detection method for oil press, it is characterized in that, the method comprises:
S0: first temperature fall time corresponding with the kind of oil expression raw material, corresponding with the oil product type that needs to produce is set in oil press, comprises emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press;
S1: in the funnel (2) of oil press, put into oil expression raw material, and according to kind first temperature fall time and the processing temperature scope corresponding with the oil product type selecting that needs to produce of putting into the oil expression raw material of oil press;
S2: described oil expression raw material is sent into the squeezing thorax (3) of oil press from described funnel (2), heat described oil expression raw material with the processing procedure that extracts oil, detect the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material is while rising to the higher limit of selected processing temperature scope, stop heating, and the oil expression raw material after heating is discharged from squeeze thorax (3);
S3: the temperature that starts to detect described squeezing thorax (3) from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax (3) stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing;
S4: judge that whether described actual temperature fall time is greater than described the second temperature fall time, if so, goes to step S6; If not, go to step S5;
S5: judge whether described actual temperature fall time is less than described the first temperature fall time, if so, judge the clout that still has oil expression raw material in the funnel (2) of described oil press, go to step S2; If not, go to step S6;
S6: judge in the funnel (2) of described oil press without oil expression raw material.
2. clout detection method as claimed in claim 1, is characterized in that, described step S0 also comprises:
Calibration value T and the first default correction value a that the processing temperature scope corresponding with the oil product type that needs to produce is set, be defined as T ± a by described processing temperature scope.
3. clout detection method as claimed in claim 2, is characterized in that, described step S4 also comprises:
When the described oil press of judgement still has the clout of oil expression raw material, calculate and record all actual temperature fall times.
4. clout detection method as claimed in claim 3, is characterized in that, described step S5 comprises following sub-step:
S51: judge whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed, if so, judge the clout that still has oil expression raw material in the funnel (2) of described oil press, and go to step S2; If not, go to sub-step S52;
S52: the difference of calculating the actual temperature fall time that the last temperature of squeezing thorax (3) of described actual temperature fall time and described oil press experiences when the higher limit of selected processing temperature scope drops to lower limit, if without actual temperature fall time of last time, calculate the difference of described actual temperature fall time and the first temperature fall time; If described difference is less than the second preset value b, in the funnel of described oil press (2), still have the clout of oil expression raw material, go to step S2, if described difference is not less than the second preset value b, go to step S6.
5. clout detection method as claimed in claim 4, is characterized in that, described step S6 also comprises: send without oil expression raw material and the prompting of putting into the raw material that extracts oil.
6. clout detection method as claimed in claim 5, is characterized in that, described step S6 also comprises:
The temperature value that shows described oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material.
7. for a clout checkout gear for oil press, be arranged in described oil press, it is characterized in that, this device comprises:
Memory module, for first temperature fall time corresponding with the kind of the raw material that extracts oil, corresponding with the oil product type that needs to produce is set, comprise emptying rear the second temperature fall time that oil press is lowered the temperature of the processing temperature scope of higher limit and lower limit and the oil expression raw material in oil press;
Operational module, for selecting the first temperature fall time and processing temperature scope;
Heating module for from heating described oil expression raw material with the processing procedure that extracts oil, detects the temperature of described oil expression raw material simultaneously, until the temperature of described oil expression raw material while rising to the higher limit of selected processing temperature scope, stops heating;
Timing module, for start to detect the temperature of described squeezing thorax (3) from stopping the moment of heating, start timing simultaneously, until the temperature of described squeezing thorax (3) stops timing while dropping to the lower limit of selected processing temperature scope, calculate from starting timing to the actual temperature fall time that stops timing;
The first judge module, for judging whether described actual temperature fall time is greater than the second temperature fall time;
The second judge module, for judging whether described actual temperature fall time is less than the first temperature fall time corresponding to selected oil expression type of feed;
Whether control module, for judging according to the judged result of the first judge module and the second judge module in the funnel (2) of described oil press without oil expression raw material.
8. clout checkout gear as claimed in claim 7, is characterized in that, described memory module is also for arranging calibration value T and the first preset value a of the processing temperature scope corresponding with the oil product type of needs production, and described processing temperature scope is T ± a;
Described memory module is also for actual temperature fall time at least one times described in storing;
This device also comprises computing module, for calculating the difference of described actual temperature fall time and the actual temperature fall time of last time, if without actual temperature fall time of last time, calculate the difference of described actual temperature fall time and the first temperature fall time, and by described difference and the second preset value b comparison;
Described control module also quits work for controlling described oil press according to the result of calculation of computing module.
9. clout checkout gear as claimed in claim 8, is characterized in that, described operational module also comprises display unit, for sending without oil expression raw material and the prompting of putting into the raw material that extracts oil.
10. clout checkout gear as claimed in claim 9, is characterized in that, described display unit is also for showing the temperature value of described oil press, if temperature value is less than the 3rd preset value c, sends the prompting that can put into oil expression raw material; If temperature value is not less than the 3rd preset value c, send the prompting that can not put into oil expression raw material.
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| CN103625007B (en) | 2015-08-12 |
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