CN111047787B

CN111047787B - Bread baking method of freshly baked bread vending machine

Info

Publication number: CN111047787B
Application number: CN201911412162.5A
Authority: CN
Inventors: 李海彬; 钟红志; 高欢乐
Original assignee: Zhengzhou Dowei Doke Intelligent Technology Co ltd
Current assignee: Henan Vocational College of industry and trade; Zhengzhou dowei doke Intelligent Technology Co.,Ltd.
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-07-16
Anticipated expiration: 2039-12-31
Also published as: CN111047787A

Abstract

The invention relates to a freshly baked bread vending machine, in particular to a bread baking method of the freshly baked bread vending machine.

Description

Bread baking method of freshly baked bread vending machine

Technical Field

The invention relates to a vending machine for freshly baked bread, in particular to a bread baking method of the vending machine for freshly baked bread.

Background

With the rapid development of economic society, the rhythm of life of people is accelerated continuously, and the automatic vending equipment uses more and more, and the thing kind of selling is also more and more extensive. At present, finished beverages, non-staple foods and the like are sold in vending machines on the market. The innovative vending machine can be used for squeezing juice, grinding coffee or heating boxed meal. In the field of vending machines, people have increasingly high requirements on the health and quality of the products to be vended. The invention applies the field baking of the bread to the field of automatic vending, provides healthy and high-quality food for users quickly, meets the social and economic development requirements, and has great promotion effect on the development of the field of automatic vending.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the bread baking method of the baked bread vending machine, which has high control precision, high automation degree and high processing speed.

The invention is realized by the following technical scheme: a bread baking method of a freshly baked bread vending machine comprises the following steps:

step one, positioning, wherein a communication module receives an upper computer signal Q1, and a controller analyzes Q1 and determines a position H corresponding to goods;

secondly, the trolley is located, a controller sends a transfer trolley starting signal Q2, the controller monitors the state of a sensor I at the position of the bin H, and the sensor I detects the transfer trolley and stops moving;

step three, blanking the goods warehouse, sending a signal Q3 to an electromagnet I corresponding to the warehouse location H by a controller, simultaneously sending a starting signal Q4 to a conveyer belt by the controller, starting the action of the conveyer belt, attracting the electromagnet I, enabling the goods to fall onto a transfer trolley, and detecting the goods by a sensor II on the transfer trolley;

fourthly, transferring, wherein the controller gives a starting signal Q5 to the transfer trolley, the transfer trolley moves to the position of the heat insulation door, the sensor III at the position of the heat insulation door detects the transfer trolley, and the transfer trolley stops moving;

fifthly, blanking, wherein a controller gives a second electromagnet signal Q6 to the transfer trolley, the second electromagnet is closed, the goods fall onto the heat insulation door, the second electromagnet is disconnected, the controller gives a signal Q7 to the heat insulation door, the heat insulation door is opened, the goods fall into the pre-unfreezing hopper, the heat insulation door is closed, and a fourth sensor in the pre-unfreezing hopper detects the goods;

sixthly, cooking, detecting the temperature T1 by a temperature sensor I in the pre-unfreezing hopper, starting timing by a timer of a controller, sending a signal Q8 to the pre-unfreezing hopper after goods in the oven are processed and discharged, opening the pre-unfreezing hopper, timing T1 by the controller, detecting the temperature T2 in the oven by the controller, calculating processing parameters of the oven by the controller according to numerical values of T1, T1 and T2, wherein the processing parameters comprise microwave processing time T2 and electric heating tube working time T3, and controlling the oven to work by the controller according to the processing parameters;

step seven, discharging, opening an oven door, discharging, closing the oven door, enabling the goods to fall into the electric drawer, and detecting the goods by a sensor five at the electric drawer;

and step eight, taking the goods, wherein the upper computer gives a signal Q9 to the controller, the control computer analyzes the signal Q9 and gives a signal Q10 to the electric drawer, the electric drawer acts to send the goods out, after the goods are taken by the customer, the fifth sensor at the electric drawer cannot detect the goods, and the electric drawer is retracted.

Further, in the second step, if the first sensor does not detect the transfer trolley within 5s, the transfer trolley resets and the second step is repeatedly executed, and if the first sensor does not detect the transfer trolley after 3 times of repeating, the controller sends a fault signal R1 to the upper computer.

Further, in the third step, the controller sends a signal Q3 to the electromagnet corresponding to the bin H, the electromagnet is attracted after delaying for 0.5s, and if the sensor II on the transfer trolley does not detect goods within 15s, the controller sends a fault signal R2 to the upper computer.

Further, in the fourth step, the transfer trolley is not detected in the third 10s of the sensor at the position of the heat insulation door, and the controller sends a fault signal R3 to the upper computer.

Further, in the fifth step, if no goods are detected by the sensor IV in the pre-unfreezing hopper within 5s, the heat insulation door is opened to 1/4 strokes, the electromagnet II is closed, the heat insulation door is continuously opened to be fully opened, the electromagnet II is disconnected, if the goods are detected by the sensor IV in the pre-unfreezing hopper, the sixth step is executed, and if no goods are detected by the sensor IV in the pre-unfreezing hopper, the controller sends a fault signal R4 to the upper computer.

Further, in the sixth step, the pre-thawing hopper is opened, the time delay is 2s, and if the sensor IV in the pre-thawing hopper detects the goods after 2s, the controller sends a fault signal R5 to the upper computer.

Further, in the seventh step, the oven door is opened, and if the sensor five at the oven door within 5s does not detect that the oven door is opened and the electric drawer detects goods, the controller sends a fault signal R6 to the upper computer; if the fifth sensor at the oven door does not detect that the oven door is opened within 5s and the electric drawer does not detect goods, the controller sends a fault signal R7 to the upper computer.

Further, in the eighth step, the fifth sensor at the electric drawer does not detect the goods, the electric drawer is retracted, and if the sixth sensor within 10s in the bin body does not detect the electric drawer, the controller sends a fault signal R8 to the upper computer.

The invention has the beneficial effects that: the bread baking method of the presently baked bread vending machine automatically controls the processing flow of the presently baked bread, has high control precision and short processing time, realizes unmanned vending of the presently baked bread, can accurately obtain the cooking time through the fuzzy control method, ensures the processing quality of the bread, and avoids the bread from being half-cooked or burnt, is realized based on the presently baked bread vending machine, is an improved scheme of the presently baked bread vending machine, can effectively improve the processing effect of the presently baked bread vending machine, enables the presently baked bread vending machine to be more suitable for popularization, and meets the breakfast requirements of consumers; the control method comprises a plurality of sensors, can detect the position and the state of the goods, ensures that all the processing steps are monitored, improves the control precision, sets a plurality of error reporting signals R, can find the fault position in time and provides a basis for maintenance.

Drawings

FIG. 1 is a schematic cross-sectional view of a main view of a freshly baked bread vending machine;

FIG. 2 is a schematic view of the oven and feed assembly of the presently baked bread vending machine;

FIG. 3 is a schematic cross-sectional view of a hopper of a freshly baked bread vending machine;

FIG. 4 is a schematic cross-sectional view of a baffle in a freshly baked bread vending machine;

FIG. 5 is a schematic diagram of the cage structure;

FIG. 6 is a schematic view in elevation and section of a cage base;

FIG. 7 is a schematic view of a drop device configuration;

FIG. 8 is a schematic view showing the structure of a quick-frozen half-cooked bread transfer device;

FIG. 9 is a schematic view of a heat shield door;

FIG. 10 is a schematic view of the construction of the transport mechanism;

FIG. 11 is a block diagram of a freshly baked bread vending machine control;

FIG. 12 is a flow chart of a control process for a bread making process based on a freshly baked bread vending machine;

FIG. 13 is a graph of the relationship between T2 and T2 under experimental conditions where T1 is 20 s;

FIG. 14 is a graph of the relationship between T2 and T2 under experimental conditions where T1 is 40 s;

FIG. 15 is a graph of T1 for the relationship between T2 and T2 under 80s experimental conditions;

FIG. 16 is a graph of the relationship between T3 and T2.

Wherein: 1-box, 2-refrigerator, 3-cage, 301-cage base, 302-cage rack, 303-stop lever, 304-third rotating shaft, 305-inserted bar, 306-material holding splint, 4-bracket, 5-falling device, 501-first rotating shaft, 502-splint, 503-stop lever, 504-electromagnet I, 505-connecting rod, 6-conveying mechanism, 61-conveyer belt, 62-first baffle, 63-driving roller, 64-driven roller, 65-first motor, 66-shell, 67-movable baffle, 7-transfer trolley, 701-frame, 702-cylindrical guide rail, 703-cylinder, 704-second rotating shaft, 705-second baffle, 706-shifting pin, 707-electromagnet II, 708-a driving belt, 709-a second motor, 8-a heat insulation door, 801-a heat insulation plug, 802-a sealing strip, 9-a linear motor, 10-an oven, 11-an electric drawer, 12-a hopper, 13-a third baffle, 131-a smooth layer, 132-a heat insulation layer, 133-a wear-resistant layer, 14-a conveying guide mechanism, 15-an operation screen, 16-columnar quick-frozen bread and 17-a bar code printer.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following embodiments, as shown in fig. 1-11, the presently baked bread vending machine includes a box 1, a refrigerator 2 is installed on the box 1, a bracket 4 is installed in the box 1, a vertical cage 3 is detachably installed on the upper end of the bracket 4, the cage 3 includes a cage 3 base, a cage frame 302 is installed on the upper end of the cage 3 base, the cage frame 302 is rectangular, a row of quick-frozen half-cooked bread is vertically arranged in the cage frame 302, for increasing the storage capacity and increasing more flavor choices, the cage frame 302 has two rows, a transverse blocking rod is installed on the upper end of the cage frame 302, the quick-frozen half-cooked bread caused by dumping in the transportation process can be prevented from scattering, two third rotating shafts 304 which are parallel to each other are installed on the cage 3 base in a penetrating manner, a material supporting clamping plate 306 is installed on the third rotating shaft 304 and extends to the outside of the cage 3 base, a pin hole is processed, the lower ends of two material supporting clamping plates 306 are opposite to each other when the inserted rod 305 is inserted between two pin holes, so that the quick-frozen half-cooked bread can be prevented from falling, a falling device 5 for controlling the quick-frozen half-cooked bread in the cage body 3 to fall is arranged on the bracket 4, after the cage body 3 is placed on the bracket 4 and the inserted rod 305 is removed, the lower ends of the two material supporting clamping plates 306 rotate downwards, the quick-frozen half-cooked bread falls to the upper end of the falling device 5, a box body 1 discharge hole is formed in the lower end face of the box body 1, a conveying mechanism 6 is arranged between the lower end of the falling device 5 and the box body 1 discharge hole, the conveying mechanism comprises a shell 66, two groups of conveying belts 61 and a first motor 65, the two groups of conveying belts 61 are respectively provided with corresponding driving rollers 63 and driven rollers 64, the two driving rollers 63 are in transmission connection with the same first motor 65 through chains, and the two groups of conveying belts 61 have the same, the output ends of the two groups of conveying belts 61 are positioned above the transfer trolley 7, the driving roller 63 is connected with the driven roller 64 through chain transmission, the first motor 65 is arranged above the shell 66, the upper part of the conveying belt 61 is bent downwards, the first baffle 62 is arranged above the conveying belt 61, in the process of conveying columnar food, the position of the columnar food can be regulated under the action of self gravity through the first baffle 62, the inner wall of the conveying mechanism 6 is provided with two movable baffles 67, the two movable baffles 67 are positioned above the output end of the conveying belt, when the conveying belt 61 starts to move, the food can be prevented from falling through the movable baffles 67, when the conveying belt 61 drives the columnar food to move below the movable baffles 67, the movable baffles 67 can be pushed to rotate upwards at the moment, so that the columnar food falls, the transfer trolley 7 comprises a frame 701, two cylindrical guide rails 702 which are parallel to each other are arranged on the frame 701, two parallel moving plates 703 are sleeved between the two cylindrical guide rails 702, two parallel second rotating shafts 704 are installed between the two moving plates, a baffle 705 is installed on the second rotating shafts, the second rotating shafts extend to the outside of the moving plates and are vertically provided with a poking pin 706 in a penetrating mode, the end portions of the frames are provided with two electromagnets 707 used for poking the poking pin in a penetrating mode, the poking pin can be driven to rotate through two floating rods of the electromagnets, a transmission belt 708 is installed on the inner side of the frames, the transmission belt 708 is connected with the moving plates at the front ends and can drive the moving plates to move along the cylindrical guide rails 702, a driving wheel of the transmission belt 708 is connected with a motor 709, and when the cylindrical quick-frozen food 16 in the cage body corresponding to any bracket in the front row falls, the cylindrical quick-frozen food directly falls.

The upper box body 1 is provided with a heat insulation door 8 at a position corresponding to a discharge port, the upper end of the heat insulation door 8 is provided with a heat insulation plug 801, the upper end surface of the heat insulation plug 801 is a plane and can play a guiding role when quick-frozen half-cooked bread falls, the outer edge of the seal plug is provided with a seal strip 802 which can effectively seal, in the embodiment, the falling device 5 comprises two first rotating shafts 501 which are parallel to each other and arranged on a bracket 4, the two first rotating shafts 501 are positioned at two sides of cylindrical quick-frozen food, the two first rotating shafts 501 extend to the outside of the bracket 4 and are connected with a connecting rod 505, the bracket 4 is provided with a first electromagnet 504 at a position corresponding to the connecting rod 505, a floating rod of the first electromagnet 504 is connected with the middle position of the connecting rod 505, the two first rotating shafts 501 can be driven to reversely rotate in the action process of the, under normal state, the lower ends of the clamping plates 502 are opposite to each other, the quick-frozen half-cooked bread can be prevented from falling, when the quick-frozen half-cooked bread needs to be discharged, the first electromagnet 504 acts, a floating rod of the first electromagnet 504 drives the first rotating shaft 501 and the clamping plates 502 to rotate through the connecting rod 505, the lower ends of the two clamping plates 502 are far away, the quick-frozen half-cooked bread to be discharged is put down, the upper ends of the two clamping plates 502 are close to each other, the quick-frozen half-cooked bread on the upper side of the quick-frozen half-cooked bread to be discharged is prevented from falling one by one, in order to prevent edges and corners on the upper ends of the clamping plates 502 from extruding the quick-frozen half-cooked bread, the transverse stop rod 503 is fixed on the inner side of the upper ends of the clamping plates, the stop rod 503 is a round rod, the falling quick-frozen half-cooked bread firstly falls into the hopper 12 through the conveying guide mechanism 14, because, the time required by the falling of the quick-frozen half-cooked bread can be shortened, the processing efficiency of food is improved, the discharging efficiency is further improved, when the quick-frozen half-cooked bread needs to be baked, the telescopic end of the linear motor 9 is controlled to contract to drive the third baffle plate 13 to move, the food can fall into the oven 10 to be baked, the columnar food can fall into the hopper 12 to be pre-unfrozen in the next food in the baking process through double-path control, the third baffle plate 13 comprises a light plate 131 arranged above the third baffle plate 13, the friction force between the third baffle plate 13 and the columnar food can be reduced due to the arrangement of the light plate 131, a heat insulating layer 132 and a wear-resistant layer 133 are arranged below the third baffle plate 13, the wear-resistant layer 133 is arranged to prevent the third baffle plate 13 from being stretched back and forth to damage the third baffle plate 13, the wear-resistant layer 133 is arranged below the heat insulating layer 132, insulating layer 132 can reduce the inside temperature of hopper 12, prevent that the column food from being heated for a long time, the back that finishes toasting, the finished product is toasted bread now and is dropped to the inside of electronic drawer 11, when the buyer passes through the online order of ordering from top to bottom of network, the outer wall of box 1 is provided with the operation screen 15 that is used for the operation to order from bottom, the personnel can be through operation screen 15 operation order from bottom, can print the bar code of lining up through bar code printer 17 to the personnel of on-the-spot purchase, can carry out long-range order from bottom through cell-phone software simultaneously, only need after finishing ordering to get goods through equipment scanning two-dimensional code can.

The electric drawer is driven by the linear motor and can extend outwards, and photoelectric sensors are mounted at the electric drawer and used for detecting bread.

The heating device is an oven with a microwave heating function, in particular to the oven, wherein the oven controls the baking power to be 2500W, and the magnetron power is 800W.

And a bar code scanner is also arranged on the box body, so that the box body is convenient to scan codes and take goods, and works according to the working principle of a supermarket locker.

The box body is also provided with a bar code printer for printing the bread production date and the order information.

The central factory is a factory with food production licenses and professional food production equipment and can intensively produce dough; the central kitchen is a shop with a catering business license, and columnar quick-frozen half-cooked bread can be made and distributed as required.

The refrigeration and freezing standards are implemented according to national standards, specifically the refrigeration temperature is 0-10 ℃, and the freezing temperature is lower than-18 ℃.

The control part is realized by six functional modules of a controller, an AD data processing module, a sensor receiving module, a communication module, a fire protection module and a signal amplification module.

And the controller is a single chip microcomputer controller, selects STM32 series, is used for processing signals processed by the AD data module and bread position signals received by the sensor receiving module, judges whether the running state of the equipment is normal or not, simultaneously sends out a processing command, and controls the running of each part of the equipment through the signal amplification module.

The AD data module comprises a digital temperature sensor for acquiring the temperature of the refrigerating chamber, the blanking mechanism bin and the environment outside the oven; the method comprises the steps of collecting the internal temperature of an oven by a thermocouple; the current transformers are used for monitoring the working states of the baking element and the microwave generator in the oven.

The sensor receiving module is used for the transitional connection of the controller and the sensor and plays a role of an interaction channel; the sensor is used for monitoring the position of the bread in the automatic vending machine and the position of the bread carrier, so that the position of the bread can be indirectly obtained.

The communication module is used for completing the transceiving function of serial port data and realizing the communication between the communication module and the upper computer.

The fire protection module comprises a smoke sensor, an automatic dry powder fire extinguisher and a circuit breaking protector and is used for preventing potential fire; when the smoke volume of the oven environment reaches a certain concentration, the smoke sensor transmits an alarm signal to the control module, and the control module issues an oven power-off command to stop baking; if open fire occurs, the circuit breaking protector works to cut off the main power supply and trigger the automatic dry powder fire extinguisher to extinguish the fire source.

And the signal amplification module is used for increasing the intensity of the control signal so that the control signal can sufficiently drive the motor, the electromagnet, the baking element, the microwave generator, the compressor and the fan.

In the following embodiments, in the second step, if the first sensor does not detect the transfer trolley within 5s, the transfer trolley resets and the second step is repeatedly executed, and if the first sensor does not detect the transfer trolley after 3 times of repeating, the controller sends a fault signal R1 to the upper computer.

In the third step, the controller sends a signal Q3 to the electromagnet corresponding to the bin H, the electromagnet is attracted after delaying for 0.5s, and if the sensor II on the transfer trolley does not detect goods in 15s, the controller sends a fault signal R2 to the upper computer.

In the fourth step, the transfer trolley is not detected in the third 10s of the sensor at the position of the heat insulation door, and the controller sends a fault signal R3 to the upper computer.

In the fifth step, if no goods are detected by the sensor IV in the pre-thawing hopper within 5s, the heat insulation door is opened to 1/4 strokes, the electromagnet II is closed, the heat insulation door is continuously opened to be fully opened, the electromagnet II is disconnected, if goods are detected by the sensor IV in the pre-thawing hopper, the sixth step is executed, and if no goods are detected by the sensor IV in the pre-thawing hopper, the controller sends a fault signal R4 to the upper computer.

And step six, opening the pre-thawing hopper, delaying for 2s, closing, and if the sensor IV in the pre-thawing hopper detects the goods after 2s, sending a fault signal R5 to the upper computer by the controller.

Step seven, the oven door is opened, if the oven door is not detected to be opened by the sensor five at the oven door within 5s and goods are detected at the electric drawer, the controller sends a fault signal R6 to the upper computer; if the fifth sensor at the oven door does not detect that the oven door is opened within 5s and the electric drawer does not detect goods, the controller sends a fault signal R7 to the upper computer.

In the step eight, the fifth sensor at the electric drawer can not detect the goods, the electric drawer is retracted, and if the sixth sensor in the warehouse body does not detect the electric drawer within 10s, the controller sends a fault signal R8 to the upper computer.

R1-R8 are all digital signals and can be accurately distinguished by an upper computer to display fault positions.

The first sensor, the third sensor and the sixth sensor are proximity switches and are used for detecting the position of the bread carrier;

the second sensor, the fourth sensor and the fifth sensor are gratings and can detect goods.

In the following examples, the goods are loaves, which can be obtained by the following steps:

weighing 500kg of high gluten flour, 6kg of yeast powder, 220kg of milk, 80kg of white sugar, 1kg of salt, 90kg of eggs and 60kg of edible oil in a central factory for later use;

mixing yeast powder, milk, white sugar, salt, egg and edible oil to obtain a milk mixture, mixing the milk mixture with strong flour, kneading for 15min, kneading for the first time, and kneading for the second time after 1.5h to obtain dough;

placing the dough on an operation table, then separating the dough to obtain separated dough suitable for making bread, and refrigerating or freezing for later use;

b, conveying the dough to a central kitchen through a cold chain, placing the dough into a dough standing box in the central kitchen for standing for 20min, taking out the dough, adding stuffing into the dough, rubbing the dough into a cylindrical shape, then placing the dough into a cylindrical mold, placing the mold into the dough standing box, standing for 20min, and taking out the dough to obtain cylindrical raw bread, wherein the length of the cylindrical bread is 235mm, the diameter of the cylindrical bread is 48mm, the relative humidity of air in the dough standing box is 70%, and the temperature of the air in the dough standing box is 35 ℃;

and (3) putting the cylindrical raw bread into an oven with the preset temperature of 200 ℃, baking until the surface is light yellow, cooling to room temperature, quickly freezing in a refrigerator/freezer to obtain quick-frozen half-cooked bread, and refrigerating or freezing for later use.

Example 1

As shown in fig. 12, a bread baking method of a freshly baked bread vending machine, includes the steps of:

In this embodiment, in step six, the microwave processing time t2 is calculated by the following calculation method:

namely, the temperature in the oven is T2, the preheating time is T1, the microwave baking time is T2, and the data are analyzed and repeatedly corrected according to the actual test data to obtain the corresponding rule of.

When t1 is less than or equal to 15s, t2=105 s.

When T1 is more than or equal to 15s and less than or equal to 105s and T2 is more than or equal to 75 ℃, T2=130 s-T1;

t2=35 when T1 ≧ 105s and T2 ≧ 60 ℃.

Otherwise T2= -13.93 ln (T2) s-0.57T +154 s.

Due to the fact that the bread can be rapidly baked through microwave heating, under the condition that the initial temperature T2 in the oven, the temperature T1 in the pre-unfreezing hopper and the pre-unfreezing time T1 are obtained through measurement, the corresponding microwave heating time T2 can be obtained, and under the condition that the bread is mature, energy consumption is reduced.

In the sixth step, the working time t3 of the electric heating pipe is calculated by the following calculation method:

the temperature in the oven before baking is T2, the temperature in the pre-thawing hopper is T1, the working time of the electric heating pipe is T3, and according to the measured data, data fitting is carried out to obtain the corresponding rule of,

when T1 is less than or equal to 15 ℃, if T2 is less than T1+5 ℃, T3=115s-T1s, and the value of T1 is taken.

When the temperature T1 is higher than 15 ℃,

if T2 is less than or equal to 35 ℃, T3=88 s;

t3=481.6T2 if 35 ℃ < T2 < 133 ℃^-0.531s, where T2 isA numerical value;

if T2 is more than or equal to 133 ℃, T3=40 s.

The electric heating pipe can enable the surface of the bread to form hard crusts through radiation heat release, the taste of the bread can be changed, heat loss inside the bread can be reduced, the time for the bread to become cool is prolonged, the bread can have certain hardness and is convenient to grasp, the time t3 is obtained through the calculation method, the crusting degree of the surface of the bread can be guaranteed to be moderate, and over-softening or over-burning can be avoided.

The detection results of the above calculation methods are shown in the graphs of FIGS. 13 to 16.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A bread baking method of a freshly baked bread vending machine is characterized by comprising the following steps:

2. The bread baking method of the freshly baked bread vending machine according to claim 1, wherein in the second step, if the first sensor does not detect the transfer cart within 5 seconds, the transfer cart is reset and the second step is repeatedly performed, and if the first sensor does not detect the transfer cart after 3 times of repeating, the controller sends a fault signal R1 to the upper computer.

3. The bread baking method of the vending machine for freshly baked bread as claimed in claim 1, wherein in the third step, the controller sends a signal Q3 to the electromagnet corresponding to the bin H, the electromagnet is closed after a delay of 0.5s, and if no goods are detected by the second sensor on the transfer cart within 15s, the controller sends a fault signal R2 to the upper computer.

4. The bread baking method in a freshly baked bread vending machine according to claim 1, wherein in step four, the transfer cart is not detected within three 10s of the sensor at the heat insulation door, and the controller sends a fault signal R3 to the upper computer.

5. The bread baking method of the vending machine of freshly baked bread according to claim 1, wherein in the fifth step, if no goods are detected by the sensor four in the pre-thawing hopper within 5s, the heat insulation door is opened to 1/4 strokes, the electromagnet is closed, the heat insulation door is continuously opened to full opening, the electromagnet is closed, if no goods are detected by the sensor four in the pre-thawing hopper, the sixth step is executed, and if no goods are detected by the sensor four in the pre-thawing hopper, the controller sends a fault signal R4 to the upper computer.

6. The bread baking method of the freshly baked bread vending machine according to claim 1, wherein in the sixth step, the pre-thawing hopper is opened, the time delay is 2s, and the controller sends a fault signal R5 to the upper computer if the sensor in the pre-thawing hopper detects the goods after 2 s.

7. The bread baking method of the presently baked bread vending machine according to claim 1, wherein in the seventh step, the oven door is opened, and if the sensor five at the oven door does not detect that the oven door is opened within 5s and the goods are detected at the electric drawer, the controller sends a fault signal R6 to the upper computer; if the fifth sensor at the oven door does not detect that the oven door is opened within 5s and the electric drawer does not detect goods, the controller sends a fault signal R7 to the upper computer.

8. The bread baking method of the freshly baked bread vending machine according to claim 1, wherein in the eighth step, the electric drawer is retracted when no goods are detected by the sensor five at the electric drawer, and if no electric drawer is detected within six 10s of the sensor in the bin body, the controller sends a fault signal R8 to the upper computer.