CN115463848A

CN115463848A - Food residue purging control method and device

Info

Publication number: CN115463848A
Application number: CN202211080121.2A
Authority: CN
Inventors: 袁瀚钊; 胡伟; 欧祖运; 林玉强
Original assignee: DONGGUAN HUAMEI FOOD CO LTD
Current assignee: DONGGUAN HUAMEI FOOD CO LTD
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-13

Abstract

The invention relates to a food residue blowing control method and equipment, and relates to the technical field of equipment cleaning. The food tray is conveyed to the first turnover mechanism by the conveying mechanism to be turned over; the conveying mechanism conveys the turned food tray to a first detection device for residue detection; conveying the food tray to the position above a first air pipe of a first blowing mechanism for first blowing when the detection is finished; conveying the food tray to a second detection device to detect the residual residues on the food tray when the blowing is finished; the control module determines whether to start a second purging mechanism for secondary purging according to the residual residue information on the food tray; after the conveying mechanism conveys the food tray to the second purging mechanism, the control mechanism controls the second air pipe and the third air pipe according to the detected residual residue information; and the food tray after purging is conveyed to the second turnover mechanism to be turned over, purging of the food tray is completed, and cleaning force of the food tray is improved.

Description

Food residue purging control method and device

Technical Field

The invention relates to the technical field of equipment cleaning, in particular to a food residue purging control method and equipment.

Background

In the food processing process, a large amount of food residues are generated on processing equipment, and the structures of some mechanical equipment are complex, so that the inner walls of part of the equipment are difficult to clean in place, and the method is a great problem for food production enterprises. The existing cleaning technology is too simple, the problems cannot be effectively solved by the traditional methods such as wiping with rags, cleaning systems on the spot, alcohol spraying and the like, and the problem of serious pollution can be caused after cleaning only when a certain type of stains are effective and even when an emulsion workshop is cleaned with acid liquor and alkali liquor.

Chinese patent publication No.: CN112139146A discloses a quick cleaning device for food production equipment, which comprises a water tank, wherein a partition plate is welded in the middle of the water tank and divides the interior of the water tank into a cleaning tank and a rinsing tank, a cross beam is arranged in the water tank, an electric sliding table is arranged at the top of the cross beam and connected through an electric lifting mechanism, a basket is fixed on an output shaft of the electric lifting mechanism through bolts, ultrasonic generators are arranged on the inner walls of the bottoms of the cleaning tank and the rinsing tank respectively, a water pump is fixed on one side of the inner wall of the bottom of the rinsing tank and connected with a hose and a spray head, the quick cleaning device drives a connecting rod, a mounting frame, the electric lifting mechanism, the basket and a food mold arranged in the basket to move above the cleaning tank and the rinsing tank through the electric sliding table, the food mold is soaked through cleaning liquid in the cleaning tank, rinsed through clean water in the rinsing tank, and finally cleaned through spray of the spray head, and dirt on the food mold can be cleaned through ultrasonic waves generated by the ultrasonic generators; it can be seen that the quick cleaning device for food production equipment has the following problems:

1. the ultrasonic cleaning equipment has high requirements on external conditions such as cleaning liquid and cleaning liquid level in the cleaning tank, and the like, and has high use difficulty, otherwise, the condition that the food tray is not cleaned completely can be caused.

2. Ultrasonic waves need to clean food plates with oil stains for a long time, and cleaning efficiency is low.

Disclosure of Invention

Therefore, the invention provides a food residue purging control method and equipment, which are used for solving the problems of low food tray cleaning efficiency, high equipment use difficulty and unclean cleaning in the prior art.

In order to achieve the purpose, the invention provides a food residue purging control method and equipment, which comprises the following steps:

s1, a conveying mechanism conveys a food tray to a first turnover mechanism, and a first turnover motor drives a first turnover machine to turn over the food tray;

s2, the conveying mechanism conveys the turned food tray to a first detection device for residue detection, and conveys a shot image of the detected food tray to a control module in the control mechanism, the control module performs gray level binarization processing on the shot image, and air pressures of a first air pump and a second air pump are determined according to the ratio of the area of the residue part to the area of the residue part;

s3, conveying the food tray detected by the first detection device to the upper part of a first air pipe of a first blowing mechanism by the conveying mechanism for first blowing;

s4, the conveying mechanism conveys the food tray subjected to the first purging to a second detection device to detect the residual residues on the food tray, the control module calculates the area variation according to the comparison of the areas of the food residues detected by the first detection device and the second detection device when the residual residues are detected, compares the area variation with a preset area variation, and determines whether the purging of the first purging mechanism is qualified or not according to the comparison result;

s5, a control module of the control mechanism determines whether to start a second purging mechanism for secondary purging according to the area of the residual residues on the food tray, when the control module judges that no residual residues exist, the control module does not start the second purging mechanism, and when the control module judges that residual residues exist, the control module controls a second air pipe and a third air pipe which start the second purging mechanism to purge the food tray for the second time;

s6, when secondary purging is performed, the control mechanism controls a plurality of air holes in the second air pipe and the third air pipe to perform secondary purging according to the detected residual residue information;

and S7, conveying the food tray subjected to purging to the second turnover mechanism by the conveying mechanism, and turning over the food tray by the second turnover machine to complete purging of the food tray.

Further, in the step S2, when the conveying mechanism conveys the turned food tray to a first detection device for residue detection, the first detection device shoots the food tray and conveys the shot image to the control mechanism, a control module in the control mechanism determines a distribution area S of the food residue after performing gray level binarization processing on the shot image, the control module calculates a ratio B of the distribution area S of the food residue to a total area Sz of the food tray, sets B = S/Sz, and determines the air pressures of the first air pump and the second air pump according to a comparison result of the ratio and a preset ratio,

wherein a first preset ratio B1, a second preset ratio B2, a first air pressure Pa1, a second air pressure Pa2 and a third air pressure Pa3 are arranged in the control module, wherein B1 is more than B2, pa1 is more than Pa2 and less than Pa3,

when B is less than or equal to B1, the control module sets the air pressure in the first air pump and the air pressure in the second air pump to be Pa1;

when B1 is larger than B and is smaller than or equal to B2, the control module sets the air pressure in the first air pump and the air pressure in the second air pump to be Pa2;

and when B is larger than B2, the control module sets the air pressure in the first air pump and the second air pump to be Pa3.

Further, when the first detection device transmits the shot image to a control mechanism, the control module identifies the width of the single groove of the food tray according to the shot image, and determines the yaw displacement amount L of the second air pipe and the third air pipe according to the width D of the widest part of the single groove of the food tray;

wherein, a first preset groove width D1, a second preset groove width D2, a first preset yaw displacement L1, a second yaw displacement L2 and a third yaw displacement L3 are arranged in the control module, wherein D1 is more than D2, L1 is more than L2 and less than L3,

when D is less than or equal to D1, the control module sets the yaw displacement of the second air pipe and the third air pipe to be L1;

when D1 is larger than D and is not larger than D2, the control module sets the yaw displacement of the second air pipe and the third air pipe to be L2;

when D is larger than D2, the control module sets the yaw displacement amount of the second exhaust pipe and the third exhaust pipe to be L3;

wherein the second air pipe and the third air pipe perform alternating yaw.

Further, in the step S4, when the conveying mechanism conveys the food tray subjected to the first time of purging to the second detecting device to detect the residual residues on the food tray, the distribution area Sa of the food residues detected by the first detecting device is compared with the distribution area Sb of the food residues subjected to the first time of purging, the area variation Δ S is calculated, Δ S = Sa-Sb is set, the area variation is compared with a preset area variation Δ S0, and whether the purging by the first purging mechanism is qualified or not is determined according to the comparison result,

when Delta S is less than Delta S0, the control module judges that the first blowing mechanism is unqualified in blowing;

and when the Delta S is more than or equal to the Delta S0, the control module judges that the purging of the first purging mechanism is qualified.

Further, when the control module judges that the blowing of the first blowing mechanism is unqualified, calculating an area variation difference value DeltaSc between the area variation quantity DeltaS and a preset area variation quantity DeltaS 0, setting DeltaSc =DeltaS0-DeltaS, and determining a corresponding adjusting mode according to a comparison result of the area variation difference value and the preset area variation difference value, wherein the control module is also provided with a first preset difference value DeltaS 1 and a second preset difference value DeltaS 2, wherein the DeltaS 1 is less than the DeltaS 2,

when the delta Sc is less than or equal to the delta S1, the control module controls the conveyor belt to reduce the speed;

when the delta S1 is less than or equal to the delta Sc and less than or equal to the delta S2, the control module controls and adjusts the air pressure of the second air pump;

when Δ Sc >. Δ S2, the control module does not operate.

Further, when the control module judges that the first blowing mechanism is qualified in blowing, the control mechanism does not control to start the second blowing mechanism, and the conveying mechanism conveys the food tray to a second turnover mechanism for turnover.

Further, in the step S5, when the control module controls the conveyor belt to decelerate, a ratio Wa, wa = Δ S1/Δ Sc between an area variation difference Δ Sc between the area variation Δ S and a preset area variation Δ S0 and a first area variation difference between first preset area variation differences Δ S1 is calculated, and a corresponding adjustment coefficient is determined according to a comparison result between the ratio between the first area variation difference and the preset area variation difference to adjust the conveying speed of the conveyor belt;

wherein the control module is also provided with a first preset area variation difference ratio W1, a second preset area variation difference ratio W2, a first speed adjusting coefficient K1, a second speed adjusting coefficient K2 and a third speed adjusting coefficient K3, wherein W1 is more than W2, K3 is more than 0.5 and more than K2 and more than K1 and less than 1,

when Wa is less than or equal to W1, the control module judges that a speed adjusting coefficient for adjusting the conveying speed of the conveying belt is K1;

when W1 is larger than Wa and smaller than or equal to W2, the control module judges that the speed adjusting coefficient for adjusting the conveying speed of the conveyor belt is K2;

when Wa > W2, the control module judges that a speed adjustment coefficient for adjusting the conveying speed of the conveying belt is K3;

when the control module determines that the speed adjustment coefficient for adjusting the conveyor belt conveying speed is Ki, i =1,2,3 is set, the adjusted conveyor belt speed is set to Pb, and V2= V1 × Ki is set, where V1 is the initial speed of the conveyor belt.

Further, in step S5, when the control module controls to adjust the air pressure of the second air pump, a ratio Wb of a second area variation difference between the area variation difference Δ Sc and a second preset area variation difference Δ S2 is calculated, wb =Δsc/Δ S2 is set, and the air pressure of the second air pump is adjusted according to a comparison result of the ratio of the second area variation difference and the preset area variation difference,

wherein the control module is also provided with a first air pressure regulating coefficient x1, a second air pressure regulating coefficient x2 and a third air pressure regulating coefficient x3, wherein x1 is more than 1 and more than x2 and more than x3 and less than 1.5,

when Wb is less than or equal to W1, the control module judges that the air pressure adjusting coefficient in the second air pump is x3;

when W1 is larger than Wb and is smaller than or equal to W2, the control module judges that the air pressure in the second air pump is adjusted by a coefficient x2;

when Wb is larger than W2, the control module judges that the air pressure in the second air pump is adjusted by a coefficient x1;

and when the control module judges that the air pressure adjusting coefficient in the second air pump is xi, setting i =1,2,3, setting the adjusted air pressure of the second air pump to be Pa4, and setting Pa4= Paj × xi, wherein j is 1,2,3.

An apparatus applying the food waste purge control method, comprising:

the conveying mechanism is arranged on a first roller shaft group and a second roller shaft group which are symmetrically arranged between the supporting plates, and the conveying belt is arranged on the first roller shaft group and the second roller shaft group;

the first turnover mechanism is arranged between the supports, and the first safety net rack is arranged above the first turnover mechanism and connected with the upper part of the support plate;

the first blowing mechanism is arranged on the shell above the supporting plate, and a first air pipe and a first air pump are arranged between the supporting plates at the lower part of the shell;

the second blowing mechanism is arranged on the shell above the supporting plate, a second air pipe and a third air pipe are arranged between the supporting plates at the lower part of the shell, and a second air pump is connected with the second air pipe and the third air pipe;

the second turnover mechanism is arranged between the support plates, and the second safety net rack is arranged above the second turnover mechanism and connected with the upper part of the support plates;

the first detection device is arranged between the first turnover mechanism and the first blowing mechanism;

a second detection device provided between the first purge mechanism and the second purge mechanism;

the control mechanism is arranged on the supporting plate close to the upper part of the second detection device and comprises a shell and a control module coated in the shell,

the control module is further connected with the photoelectric sensor, the driving motor, the first overturning motor, the second overturning motor, the first detection device, the second detection device, the first air pump, the second air pump, the first air pipe, the second air pipe and the third air pipe respectively.

Furthermore, a plurality of photoelectric sensors used for confirming the passing position of the food tray are arranged on the outer side of the supporting plate;

the two conveying belts are respectively connected with rollers on the same side of the first roller shaft group and the second roller shaft group, and a driving motor is arranged on a roller shaft of the first roller shaft group or the second roller shaft group;

a first overturning motor is connected to an overturning shaft of the first overturning machine;

a second overturning motor is connected to an overturning shaft of the second overturning machine;

the first detection device and the second detection device are cameras respectively;

the first air pipe, the second air pipe and the third air pipe are respectively provided with a plurality of air holes;

a display screen, a starting button, a stopping button, a inching button and an emergency stop button are arranged on a shell of the control mechanism.

Compared with the prior art, the food tray turnover device has the advantages that the food tray is conveyed to the first turnover mechanism by the conveying mechanism, the first turnover motor drives the first turnover mechanism to turn over the food tray, and when the food tray is swept and cleaned, the second turnover motor drives the second turnover machine to turn over the food tray to the front side again, so that the difficulty of manual operation is further reduced, and the working efficiency of the device is improved.

Furthermore, the food residue purging control method and the equipment are provided with the first detection device and the second detection device, and the images are processed in a shooting mode by using the camera, so that the condition that the food tray is not cleaned in place is further reduced, the cleanliness of the food tray is improved, and the condition that the food tray is not cleaned due to the fact that the food tray is not detected in place is avoided;

further, the control module calculates a ratio B of the distribution area S of the food residues to the total area Sz of the food tray, and determines the air pressures of the first air pump and the second air pump according to a comparison result of the ratio and a preset ratio, wherein the control module is also provided with the first preset ratio and the second preset ratio so as to further accurately control the air pressures of the first air pump and the second air pump, thereby further improving the blowing force of the first blowing mechanism and the second blowing mechanism and further improving the cleaning rate and the cleanliness of the food tray;

particularly, when the control module receives the image of the distribution area of the residual residues of the food tray, which is transmitted by the second detection device, the control module compares the image with the distribution area of the residual residues of the food tray in the detection image transmitted by the first detection device so as to determine whether the purging of the first purging mechanism is qualified or not, and further improve the cleaning efficiency and the cleanliness of the food tray;

especially, first mechanism of sweeping is installed first blast pipe and first water pump, and the second sweeps the mechanism and installs second blast pipe, third blast pipe and second water pump, and when first mechanism degree of sweeping is not clean to the food dish, the second sweeps two blast pipes of mechanism installation and can further sweep the food dish to strengthened the dynamics of sweeping, further improved the clean dynamics of food dish.

Further, control mechanism is connected with driving motor, first upset motor, second upset motor, first detection device, second detection device, first air pump, first baroceptor, second air pump, second baroceptor and third baroceptor, and it can be adjusted the atmospheric pressure size of first blast pipe, second blast pipe, third blast pipe, first air pump, second air pump and the width of sweeping according to image processing, and then has reduced the operation degree of difficulty, has reduced clean step, has further improved the cleaning efficiency of food dish.

Furthermore, after the food trays are swept by the first sweeping mechanism, the control module calculates the difference value between the residual residue area variation and the preset residue area variation of the unqualified food trays to be swept, and determines the corresponding adjusting mode of the equipment according to the comparison result, so that the cleaning efficiency of the food trays is improved, and the cleaning difficulty is further reduced;

furthermore, the control module compares the difference value of the residual residue area variation and the preset residual residue area variation with a first preset residual residue area variation difference value, and determines a corresponding adjusting coefficient according to the comparison result of the ratio and the preset conveyor belt speed value to adjust the conveyor belt conveying speed, so that the blowing force is accurate, the food tray is blown cleanly, and the cleaning efficiency is further improved;

further, control module can the diameter size of single mould recess in the analysis food dish to according to the diameter size control second blast pipe and the third blast pipe sweep the width, further clean the adnexed food residue on the food dish, reduce the washing degree of difficulty.

Drawings

FIG. 1 is a flow diagram of a food waste purge control method and apparatus according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of the food waste purging control method and apparatus according to the present invention;

FIG. 3 is a structural diagram of a first turnover mechanism of the food residue purging control method and apparatus of the present invention;

FIG. 4 is a structural diagram of a first purging mechanism of the food waste purging control method and apparatus of the present invention;

FIG. 5 is a diagram of a second purging mechanism of the method and apparatus for controlling food waste purging in accordance with the present invention;

FIG. 6 is a structural diagram of a second turnover mechanism of the food residue purging control method and apparatus of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, fig. 1 is a flow chart illustrating a food residue purging control method and apparatus according to the present invention.

The food residue purging control method provided by the embodiment of the invention comprises the following steps:

s1, a conveying mechanism conveys a food tray to a first turnover mechanism 7, and a first turnover motor 11 drives a first turnover machine 8 to turn over the food tray;

s2, conveying the turned food tray to a first detection device 24 by a conveying mechanism for residue detection;

s3, conveying the food tray detected by the first detection device 24 to the upper part of the first air pipe 13 of the first blowing mechanism 12 by the conveying mechanism for first blowing;

s4, conveying the food tray subjected to the first purging to a second detection device 25 by the conveying mechanism to detect residual residues on the food tray;

s5, the control module 26 of the control mechanism determines whether to start the second purging mechanism 19 for second purging according to the area of the residual residues on the food tray;

s6, when the secondary purging is performed, the control mechanism controls a plurality of air holes in the second air pipe 16 and the third air pipe 17 to perform the secondary purging according to the detected residual residue information;

s7, the conveying mechanism conveys the food tray after purging to the second turnover mechanism 19, and the second turnover machine 20 turns over the food tray to complete purging of the food tray;

in step S2, when the conveying mechanism conveys the turned food tray to the first detecting device 24 for residue detection, the detected photographed image of the food tray is conveyed to the control module 26 in the control mechanism, the control module 26 performs gray level binarization processing on the photographed image, and determines the air pressures of the first air pump 14 and the second air pump 18 according to the ratio of the residue amount to the area;

in the step S4, when detecting the remaining residues, the control module 26 calculates an area variation according to a comparison between areas of the food residues detected by the first detection device 24 and the second detection device 25, compares the area variation with a preset area variation, and determines whether the purging of the first purging mechanism is qualified according to a comparison result;

when the control module 26 determines that no residue remains, the control module 26 does not control to activate the second purging mechanism 19, and when the control module 26 determines that residue remains, the control module 26 controls to activate the second air pipe 16 and the third air pipe 17 of the second purging mechanism 19 to purge the food tray for the second time.

Specifically, in the step S2, when the conveying mechanism conveys the food tray after the turning to the first detection device 24 for residue detection, the first detection device 24 shoots the food tray and conveys the shot image to the control mechanism, after the control module 26 in the control mechanism performs gray level binarization processing on the shot image, the distribution area S of the food residue is determined, the control module 26 calculates a ratio B of the distribution area S of the food residue to a total area Sz of the food tray, sets B = S/Sz, and determines the air pressures of the first air pump and the second air pump according to a comparison result of the ratio and a preset ratio,

wherein, a first preset ratio B1, a second preset ratio B2, a first air pressure Pa1, a second air pressure Pa2 and a third air pressure Pa3 are arranged in the control module 26, wherein B1 is less than B2, pa1 is less than Pa2 and less than Pa3,

when B is less than or equal to B1, the control module 26 sets the air pressure in the first air pump 14 and the second air pump 18 to Pa1;

when B1 is greater than B and less than or equal to B2, the control module 26 sets the air pressure in the first air pump 14 and the air pressure in the second air pump 18 to be Pa2;

when B > B2, the control module 26 sets the air pressures in the first and

second air pumps

14 and 18 to Pa3.

Specifically, when the first detection device 24 transmits the shot image to a control mechanism, a control module 26 in the control mechanism identifies the width of the single groove of the food tray according to the image, and determines the yaw displacement amount L of the second air pipe 16 and the third air pipe 17 according to the widest part width D of the single groove of the food tray;

wherein, the control module 26 is provided with a first preset groove width D1, a second preset groove width D2, a first preset yaw displacement L1, a second yaw displacement L2, and a third yaw displacement L3, wherein D1 is less than D2, L1 is less than L2 is less than L3,

when D is less than or equal to D1, the control module 26 sets the yaw displacement of the second air pipe 16 and the third air pipe 17 to be L1;

when D1 is more than D and less than or equal to D2, the control module 26 sets the yaw displacement of the second air pipe 16 and the third air pipe 17 to be L2;

when D > D2, the control module 26 sets the yaw displacement amount of the second air pipe 16 and the third air pipe 17 to L3;

wherein the second air pipe 16 and the third air pipe 17 perform an alternate yaw.

Specifically, in step S4, when the conveying mechanism conveys the food tray subjected to the first purging to the second detecting device 25 to detect the residue remaining on the food tray, the distribution area Sa of the food residue detected by the first detecting device 24 is compared with the distribution area Sb of the food residue after the first purging, an area variation Δ S is calculated, Δ S = Sa-Sb is set, the area variation is compared with a preset area variation Δ S0, and it is determined whether the purging by the first purging mechanism 12 is acceptable or not according to the comparison result,

when Δ S < Δs0, the control module 26 determines that the purging by the first purging mechanism 12 is not qualified;

when Δ S is equal to or greater than Δ S0, the control module 26 determines that the purging of the first purging mechanism 12 is qualified.

Specifically, in the step S5, when the control module 26 determines that the purging by the first purging mechanism 12 is not qualified, an area variation difference Δ Sc between the area variation Δ S and a preset area variation Δ S0 is calculated, Δ Sc =Δs0- Δ S is set, and a corresponding adjustment mode is determined according to a comparison result between the area variation difference and a preset area variation difference, wherein the control module 26 is further provided with a first preset difference Δ S1 and a second preset difference Δ S2, where Δ S1 is less than Δ S2,

when the Delta Sc is less than or equal to the Delta S1, the control module 26 controls the conveyor belt 5 to reduce the speed;

when the pressure of the delta S1 is less than the pressure of the delta Sc and less than or equal to the pressure of the delta S2, the control module 26 controls and adjusts the air pressure of the second air pump 18;

when Δ Sc >. Δ S2, the control module 26 does not operate.

Specifically, when the control module 26 determines that the first purge mechanism 12 is eligible for purging, the control mechanism does not activate the second purge mechanism 19 and the transfer mechanism transfers the food trays to the second flipping mechanism 19 for flipping.

Specifically, in step S5, when the control module 26 controls the conveyor to decelerate, a ratio Wa, wa =Δs1/Δ Sc between an area variation difference Δ Sc between the area variation Δ S and a preset area variation Δ S0 and a first area variation difference between first preset area variation differences Δ S1 is calculated, and a corresponding adjustment coefficient is determined according to a comparison result between the ratio between the first area variation difference and a preset area variation difference to adjust the conveyor conveying speed;

wherein, the control module 26 is further provided with a first preset area variation difference ratio W1, a second preset area variation difference ratio W2, a first speed adjusting coefficient K1, a second speed adjusting coefficient K2 and a third speed adjusting coefficient K3, wherein V1 is more than V2, K3 is more than 0.5 and less than K2 and less than K1 and less than 1,

when Wa is less than or equal to W1, the control module 26 determines that a speed adjustment coefficient for adjusting the conveying speed of the conveyor belt is K1;

when W1 is more than Wa and less than or equal to W2, the control module 26 judges that the speed adjusting coefficient for adjusting the conveying speed of the conveyor belt is K2;

when Wa > W2, the control module 26 determines that a speed adjustment coefficient for the conveyor belt conveying speed adjustment is K3;

when the control module 26 determines that the speed adjustment coefficient for the conveyor belt speed adjustment is Ki, i =1,2,3 is set, the adjusted conveyor belt speed is set to V2, and V2= V1 × Ki is set, where V1 is the initial speed of the conveyor belt.

Specifically, in the step S5, when the control module 26 controls to adjust the air pressure of the second air pump 18, a ratio Wb of a second area variation difference between the area variation difference Δ Sc and a second preset area variation difference Δ S2 is calculated, wb =Δsc/Δ S2 is set, and the air pressure of the second air pump 18 is adjusted according to a comparison result of the ratio of the second area variation difference and the preset area variation difference,

wherein, the control module 26 is also provided with a first air pressure regulating coefficient x1, a second air pressure regulating coefficient x2 and a third air pressure regulating coefficient x3, wherein x1 is more than 1 and more than x2 is more than x3 and less than 1.5,

when Wb is less than or equal to W1, the control module 26 determines that the air pressure adjustment coefficient in the second air pump 18 is x3;

when W1 is more than Wb and less than or equal to W2, the control module 26 determines the adjustment coefficient x2 for the air pressure in the second air pump 18;

when Wb > W2, the control module 26 determines an adjustment factor x1 for the air pressure in the second air pump 18;

when the control module 26 determines that the air pressure adjustment coefficient for the second air pump 18 is xi, i =1,2,3 is set, the adjusted air pressure of the second air pump 18 is set to Pa4, and Pa4= Paj × xi is set, where j is 1,2,3.

Referring to fig. 2-6, fig. 2 is a schematic view illustrating an overall structure of a food waste purging control method and apparatus according to the present invention; FIG. 3 is a structural diagram of a first turnover mechanism of the food residue purging control method and apparatus of the present invention; FIG. 4 is a structural diagram of a first purging mechanism of the food waste purging control method and apparatus of the present invention;

FIG. 5 is a second purge scheme of the food waste purge control method and apparatus of the present invention; FIG. 6 is a structural diagram of a second turnover mechanism of the food residue purging control method and apparatus of the present invention.

The food residue purging device of the embodiment of the invention comprises:

the conveying mechanism is arranged on a first roller shaft group 3 and a second roller shaft group 4 which are symmetrically arranged between the supporting plates 2, and a conveying belt 5 is arranged on the first roller shaft group 3 and the second roller shaft group 4;

the first turnover mechanism 7 is arranged on a first turnover machine 8 between the support plates 2, and a first safety net rack 9 is arranged above the first turnover machine 8 and connected with the upper part of the support plates 2;

a first purge mechanism 12 installed in the housing above the support plates 2, a first air pipe 13 and a first air pump 14 provided between the support plates 2 at a lower portion of the housing;

a second purging mechanism 19 installed in the housing above the support plate 2, a second air pipe 16 and a third air pipe 17 provided between the support plates 2 at a lower portion of the housing, and a second air pump 18 connected to the second air pipe 16 and the third air pipe 17;

a second turnover mechanism 19, a second turnover machine 20 arranged between the supporting plates 2, and a second safety net rack 21 arranged above the second turnover machine 20 and connected with the upper part of the supporting plates 2;

a first detection device 24 provided between the first turnover mechanism 7 and the first purge mechanism 12;

a second detection device 25 provided between the first purge mechanism 12 and the second purge mechanism 19;

a control mechanism arranged on the support plate near the upper part of the second detection device 25, the control mechanism comprises a casing and a control module 26 coated in the casing,

the control module 26 is further connected to the photoelectric sensor 32, the driving motor 6, the first flipping motor 11, the second flipping motor 23, the first detection device 24, the second detection device 25, the first air pump 14, the second air pump 18, the first air pipe 13, the second air pipe 16, and the third air pipe 17, respectively.

Specifically, a plurality of photoelectric sensors 32 for confirming the passing position of the food tray are arranged on the outer side of the supporting plate 2;

the two conveyor belts 5 are respectively connected with rollers on the same side of the first roller group 3 and the second roller group 4, and a driving motor 6 is arranged on a roller shaft of the first roller group 3 or the second roller group 4;

a first overturning motor 11 is connected to an overturning shaft 10 of the first overturning machine 8;

a second overturning motor 23 is connected to an overturning shaft 22 of the second overturning machine 20;

the first detection device 24 and the second detection device 25 are cameras respectively;

a plurality of air holes are respectively formed in the first air pipe 13, the second air pipe 16 and the third air pipe 17;

the control mechanism has a housing with a display screen 27, a start button 28, a stop button 29, a jog button 30 and an emergency stop button 31.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can be within the protection scope of the invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method of controlling purging of food waste, comprising:

s5, a control module of the control mechanism determines whether a second purging mechanism is started for secondary purging according to the area of the residual residues on the food tray, when the control module judges that no residual residues exist, the control module does not start the second purging mechanism, and when the control module judges that residual residues exist, the control module controls a second air pipe and a third air pipe which start the second purging mechanism to perform secondary purging on the food tray;

and S7, the conveying mechanism conveys the food tray after purging to the second turnover mechanism, and the second turnover machine turns over the food tray to complete purging of the food tray.

2. The food waste blowing control method according to claim 1, wherein in step S2, when the conveying mechanism conveys the food tray after the turning over to a first detection device for residue detection, the first detection device shoots the food tray and transmits the shot image to the control mechanism, a control module in the control mechanism performs gray level binarization on the shot image to determine a distribution area S of the food waste, the control module calculates a ratio B of the distribution area S of the food waste to a total area Sz of the food tray, sets B = S/Sz, and determines the air pressures of the first air pump and the second air pump according to a comparison result of the ratio and a preset ratio,

wherein the control module is provided with a first preset ratio B1, a second preset ratio B2, a first air pressure Pa1, a second air pressure Pa2 and a third air pressure Pa3, wherein B1 is less than B2, pa1 is less than Pa2 and Pa3,

3. The food waste purge control method according to claim 2, wherein when the first detecting means transmits the photographed image to a control mechanism, the control module identifies a width of a single groove of the food pan from the photographed image, and determines yaw displacement amounts L of the second and third air pipes from a widest part width D of the single groove of the food pan;

wherein the control module is provided with a first preset groove width D1, a second preset groove width D2, a first preset yaw displacement L1, a second yaw displacement L2 and a third yaw displacement L3, wherein D1 is more than D2, L1 is more than L2 and less than L3,

when D1 is larger than D and is smaller than or equal to D2, the control module sets the yaw displacement of the second air pipe and the third air pipe to be L2;

when D > D2, the control module sets yaw displacement amounts of the second exhaust pipe and the third exhaust pipe to L3.

4. The food waste purge control method according to claim 3, wherein in the step S4, when the conveying mechanism conveys the food tray after the first purge to a second detecting device to detect the residual residue on the food tray, the distribution area Sa of the food waste detected by the first detecting device is compared with the distribution area Sb of the food waste after the first purge, the area variation Δ S is calculated, Δ S = Sa-Sb is set, the area variation is compared with a preset area variation Δ S0, and whether the purge of the first purge mechanism is qualified or not is determined according to the comparison result,

5. The food waste purge control method according to claim 4, wherein when the control module determines that the first purge mechanism is not qualified for purging, an area variation difference Δ Sc between the area variation Δ S and a preset area variation Δ S0 is calculated, Δ Sc =ΔS0- Δ S is set, and a corresponding adjustment mode is determined according to the comparison result between the area variation difference and the preset area variation difference, wherein the control module further comprises a first preset difference Δ S1 and a second preset difference Δ S2, wherein Δ S1 is less than Δ S2,

when the pressure of the delta S1 is less than the pressure of the delta Sc and less than or equal to the pressure of the delta S2, the control module controls and adjusts the air pressure of the second air pump;

when Δ Sc >. Δ S2, the control module does not operate.

6. The food waste purge control method of claim 5, wherein when the control module determines that the first purge mechanism is qualified for purging, the control mechanism does not control to activate the second purge mechanism, and the conveying mechanism conveys the food tray to a second turnover mechanism for turnover.

7. The method for controlling food waste blowing according to claim 6, wherein in step S5, when the control module controls the conveyor to decelerate, a ratio Wa, wa =ΔS 1/. DELTA.Sc of the area variance difference Δ Sc to a first area variance difference of a first predetermined area variance difference Δ S1 is calculated, and a corresponding adjustment factor is determined to adjust the conveyor conveying speed according to a comparison of the first area variance difference ratio and the predetermined area variance difference ratio;

when Wa is larger than W2, the control module judges that the speed adjusting coefficient for adjusting the conveying speed of the conveyor belt is K3;

when the control module determines that the speed adjustment coefficient for the conveyor belt conveying speed adjustment is Ki, i =1,2,3 is set, the adjusted conveyor belt speed is set to Pb, and V2= V1 × Ki is set, where V1 is the initial speed of the conveyor belt.

8. A method for controlling purging food waste according to claim 7, wherein in step S5, when the control module controls the adjustment of the air pressure of the second air pump, a ratio Wb of the difference Δ Sc of the area variation to the difference Δ S2 of the second predetermined area variation is calculated, wb =ΔSc/Δ S2 is set and the air pressure of the second air pump is adjusted according to the comparison result of the ratio of the difference Δ Sc to the difference Δ S2 of the predetermined area variation,

when W1 is larger than Wb and smaller than or equal to W2, the control module judges that the air pressure in the second air pump is adjusted by a coefficient x2;

when Wb is greater than W2, the control module judges that the air pressure in the second air pump is adjusted by a coefficient x1;

when the control module determines that the adjustment coefficient for the air pressure in the second air pump is xi, i =1,2,3 is set, the adjusted air pressure of the second air pump is set to Pa4, and Pa4= Paj × xi is set, where j is 1,2,3.

9. An apparatus for applying the food waste purge control method of any one of claims 1-8, comprising a frame, further comprising:

a control mechanism arranged on the support plate above the second detection device, the control mechanism comprises a shell and a control module coated in the shell,

10. The apparatus for food waste purge control according to claim 9, wherein a plurality of photoelectric sensors for confirming the passing position of the food tray are provided outside the supporting plate;

the two conveying belts are respectively connected with rollers on the same side of the first roller group and the second roller group, and a driving motor is arranged on a roller shaft of the first roller group or the second roller group;