CN210088930U

CN210088930U - Microwave heating system for boxed meal vending machine

Info

Publication number: CN210088930U
Application number: CN201920501186.7U
Authority: CN
Inventors: 杨建华; 迟筱梅
Original assignee: Qingdao Tumei Creative Technology Co Ltd
Current assignee: Qingdao Tumei Creative Technology Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-18
Anticipated expiration: 2029-04-15

Abstract

The utility model provides a microwave heating system for boxed meal vending machine, which is arranged on a frame of the boxed meal vending machine, and a heating chamber and a resonance chamber which are horizontally connected are arranged inside a heating box; the top of the heating cavity is provided with a goods inlet, a first movable door is hinged on the goods inlet, the upper surface of the first movable door is provided with a first telescopic assembly for driving the first movable door to open and close, the bottom of the heating cavity is provided with a goods outlet, a second movable door is hinged on the goods outlet, and the lower surface of the second movable door is also provided with a second telescopic assembly for driving the second movable door to open and close; the top and the side wall of the resonant cavity are respectively and fixedly provided with a plurality of magnetrons used for emitting microwaves to the resonant cavity, and microwave magnetic beams emitted by the plurality of magnetrons are focused in the resonant cavity to form high-intensity and high-power microwave energy, so that a lunch box in the heating cavity can be heated in a shorter time, a plurality of magnetrons can cooperatively work, and microwave resource energy is fully utilized.

Description

Microwave heating system for boxed meal vending machine

Technical Field

The utility model relates to an automatic sell quick-witted technical field, concretely relates to a microwave heating system for boxed meal vending machine.

Background

With the acceleration of the pace of life, people can not leave boxed fast food with the characteristics of nutrition, delicacy, convenience and the like, and the self-service boxed meal vending machine appears in China due to the rapid increase of labor cost.

Boxed meal vending machine is an automatic device for realizing unmanned selling of boxed meals by placing boxed meals in the vending machine in advance. Generally, the multifunctional dining table is placed in places with dense flow, such as tourist attractions, stations, docks, hospitals, office buildings, schools and the like, so that the problem that people such as tourists, passengers, office workers, students and the like have inconvenience in eating is solved.

The box lunch storage in the box lunch vending machine is basically in cold storage in the vending machine in order to ensure the freshness of food, and when people order meals, the box lunch is heated by a heating system in the vending machine.

The heating system of the prior automatic meal selling machine for boxed meals on the market is mostly microwave heating, the heating system is widely used in the selling machine because of the clean and convenient microwave heating, Chinese utility model patent CN108010196A, the patent name is 'food heating automatic selling machine', the heating device in the selling machine disclosed by the invention adopts microwave heating, a horizontal and longitudinal through heating channel is arranged in a heating zone, one end of the heating channel is a food inlet, the other end of the heating channel is a food outlet, a plurality of microwave heaters are arranged on the heating channel, although the heating device in the selling machine also adopts the microwave heaters, the heating device in the selling machine needs a plurality of microwave heaters when food passes through the heating channel, thereby leading the cost of the whole selling machine to be higher, meanwhile, because the microwave heaters in the heating channel have smaller power, the food needs to move on the heating channel and be heated one by one through each microwave heater, need the longer time just can accomplish the heating, after food enters into next microwave applicator from the preceding microwave applicator, preceding microwave applicator still is in operating condition, nevertheless can't heat food to cause heating energy utilization rate low, at heating channel export and entry simultaneously, do not set up the shielding piece, cause the microwave to leak easily, cause the potential safety hazard. Because the traditional microwave heating mode is low in power, the refrigerated lunch box can be heated to a cooked food state within 2-5 minutes basically, and for some consumers who catch up with time, the experience of the consumers on the self-service vending machine can be greatly reduced due to overlong waiting.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a microwave heating system for boxed meal vending machine solves traditional microwave heating system energy utilization and rates lowly, problem that heat time is long.

In view of the above problem, the utility model provides a technical scheme is:

the microwave heating system for the boxed meal vending machine is arranged on a rack of the boxed meal vending machine and comprises a heating box and a packing box fixedly arranged at the bottom of the heating box;

a heating chamber and a resonance chamber which are horizontally connected are arranged in the heating box;

the microwave heating device comprises a heating cavity, and is characterized in that a goods inlet is formed in the top of the heating cavity, a first movable door is hinged to the goods inlet, a first telescopic assembly used for driving the first movable door to open and close is arranged on the upper surface of the first movable door, a goods outlet is formed in the bottom of the heating cavity, a second movable door is hinged to the goods outlet, a microwave rotating disk is arranged on the upper surface of the second movable door, a rotating motor used for driving the microwave rotating disk to rotate is arranged on the lower surface of the second movable door, and a second telescopic assembly used for driving the second movable door to open and close is further arranged on the lower surface of the second movable door;

the top and the side wall of the resonant cavity are respectively and fixedly provided with a plurality of magnetrons used for transmitting microwaves to the resonant cavity;

the lateral wall right in front of the goods outlet box is provided with an inclined goods outlet channel for the boxed meal to slide out from the heating chamber, and the bottom of the goods outlet box is provided with a controller and a magnetron power supply for supplying power to the magnetron.

In order to better realize the invention, further, the power of the magnetron is 1000w-2000 w.

For better realization the utility model discloses, it is further, the heating cabinet top is provided with the fixed plate that is used for fixed first flexible subassembly.

For better realization the utility model discloses, it is further, first flexible subassembly and the flexible subassembly of second all are provided with electric putter, electric putter's both ends articulate respectively has first fixed bolster and second fixed bolster.

In order to better realize the utility model discloses, it is further, the fixed setting in first dodge gate upper surface one side of first fixed bolster on the first flexible subassembly, the fixed setting in the fixed plate upper end of the second fixed bolster on the first flexible subassembly.

In order to better realize the utility model discloses, it is further, the fixed setting in second dodge gate lower surface one side of first fixed bolster on the flexible subassembly of second, the fixed bottom that sets up at the packing box that goes out of second fixed bolster on the flexible subassembly of second.

In order to better realize the utility model discloses, it is further, heating chamber dead ahead is provided with and is used for the cleanness heating chamber's third dodge gate.

The utility model discloses still including being used for detecting first dodge gate closed first inductor, the closed second inductor of second dodge gate, the closed third inductor of third dodge gate, first inductor sets up by the mouth of stocking goods, the second inductor sets up by the mouth of stocking goods, the third inductor sets up on the heating chamber lateral wall at third dodge gate place.

The utility model discloses still include a diffuse reflection photoelectric switch that is used for detecting boxed meal and gets into the heating chamber, diffuse reflection photoelectric switch sets up by the mouth of stocking goods.

Furthermore, the controller is respectively and electrically connected with the rotating motor, the three sensors, the diffuse reflection photoelectric switch, the first telescopic assembly, the second telescopic assembly and the plurality of magnetrons.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up the heating cavity, and set up into goods mouth at the heating cavity top, and use first flexible subassembly to open first dodge gate, can cooperate the machine of selling to heat the transport of boxed meal in the heating cavity, through setting up a plurality of magnetrons, can carry out many microwave frequency focuses with the magnetic wave that the magnetron sent via resonance cavity, form the microwave energy of high strength, again carry out microwave heating to boxed meal in the heating cavity by resonance cavity transmission, through the microwave rotary disk of heating cavity bottom, can make the lunch-box heat up evenly fast under the effect of high strength microwave, boxed meal is under first telescopic machanism's drive after the heating is accomplished, from the roll-off of second dodge gate, and get into by the shipment passageway and sell in the shipment storehouse of machine. The heating cavity can be tightly closed through the first movable door and the second movable door, so that microwaves are not easy to emit in the heating process, a plurality of magnetrons are arranged to emit microwave magnetic beams, a plurality of microwave magnetic beams can be focused through the resonant cavity, microwave energy with high intensity and high power is formed, a lunch box in the heating cavity can be heated in a shorter time, a plurality of magnetrons can cooperatively operate, and microwave resource energy is fully utilized.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Fig. 1 is a schematic perspective view of an initial state of a microwave heating system according to an embodiment of the present invention;

FIG. 2 is a front perspective view of the microwave heating system in an embodiment of the present invention

Fig. 3 is a rear view of the microwave heating system according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;

description of reference numerals:

the microwave oven comprises a heating box 1, a delivery box 2, a heating chamber 3, a resonance chamber 4, a delivery port 5, a first movable door 6, a first telescopic assembly 7, a delivery port 8, a second movable door 9, a microwave rotating disk 10, a rotating motor 11, a second telescopic assembly 12, a delivery passage 13, a controller 14, a magnetron power supply 15, a fixing plate 16, a third movable door 17, a first inductor 18, a second inductor 19, a third inductor 20, a diffuse reflection photoelectric switch 21, a magnetron 22, an electric push rod 100, a first fixing support 200 and a second fixing support 300.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the embodiment of the present invention discloses a microwave heating system for boxed meal vending machine, which is arranged on the frame of the boxed meal vending machine, and comprises a heating box 1 and a delivery box 2 fixedly arranged at the bottom of the heating box 1;

a heating chamber 3 and a resonance chamber 4 which are horizontally connected are arranged in the heating box 1;

the top of the heating chamber 3 is provided with a goods inlet 5, the goods inlet 5 is used for receiving a lunch box in a vending machine, the goods inlet 5 is hinged with a first movable door 6, the first movable door 6 is used for opening and closing the goods inlet 5, the upper surface of the first movable door 6 is provided with a first telescopic assembly 7 used for driving the first movable door 6 to open and close, the first movable door 6 can be opened through the first telescopic assembly 7 to ensure that the lunch box can enter the heating chamber 3 or closed to ensure that the heating chamber 3 forms a closed chamber, the bottom of the heating chamber 3 is provided with a goods outlet 8, the goods outlet 8 is used for discharging the heated lunch box from the heating chamber 3, the goods outlet 8 is hinged with a second movable door 9, the second movable door 9 is used for opening and closing the goods outlet, the upper surface of the second movable door 9 is provided with a microwave rotating disk 10, the lower surface of the second movable door 9 is provided with a rotating motor 11 used for driving the microwave rotating disk 10 to rotate, the microwave rotating disc 10 can be driven to rotate by rotating the motor 11 so as to drive the lunch box to uniformly heat microwaves in the heating chamber 3, the lower surface of the second movable door 9 is further provided with a second telescopic assembly 12 for driving the second movable door 9 to open and close, and the second movable door 9 can be opened by the second telescopic assembly 12 so as to ensure that the lunch box is discharged from the heating chamber 3 or closed so as to ensure that the heating chamber 3 forms a closed chamber;

the top and the side wall of the resonant cavity 4 are respectively and fixedly provided with a plurality of magnetrons 22 for transmitting microwaves to the resonant cavity 4, and the magnetrons 22 are arranged at different positions outside the resonant cavity 4, so that the microwave with the frequency of 2450MHz emitted by the plurality of magnetrons 22 can be reflected and focused by the inner side wall of the resonant cavity 4 to form high-intensity and high-power microwave energy;

the side wall right in front of the packing box 2 is provided with an inclined packing channel 13 for the lunch box to slide out from the heating chamber 3, and the bottom of the packing box 13 is provided with a controller 14 and a magnetron power supply 15 for supplying power to the magnetron.

As an embodiment of the present invention, further, the power of the magnetron 22 is 1000w-2000 w.

In the embodiment of the utility model provides an in, the temperature of selling the cold-stored box meal of machine is generally 2-10 ℃, and traditional microwave heating generally sets up a magnetron, and the power of magnetron is mostly about 1000W, consequently mostly is about 120 seconds with box meal heat time, again because of high power magnetron produces the microwave leakage easily, and high power magnetron is bulky the utility model provides a sell the machine and be not suitable for, because the utility model discloses a magnetron 22 that sets up a plurality of conventional power carries out the microwave focusing, superposes for form the high power microwave behind multi beam microwave focusing, the stack to satisfy box meal and heated more than 80 ℃ in short time.

The calculation formula of the microwave heating time is as follows:

time (sec) × 330 (constant) × weight (ml or g) × 1000 ÷ power (KW) × heat conversion rate 58% × 100% (thermal efficiency),

can find out by the formula, when lunch-box weight is certain, power is big more, required heat time is few less, consequently the utility model discloses according to the experience of customer to selling the machine, the quantity of magnetron is two at least, every magnetron power is 1KW, the microwave of two magnetron 22 launches is through the focus stack back of resonant cavity 4, can form the microwave of becoming about 2KW, when supposing lunch-box weight to be 250g, can calculate the world by above-mentioned computational formula and be 71 seconds, show according to the research, when people are more than 60S waiting, will produce anxiety, insecure mood, also can greatly reduced to the experience of selling the machine, consequently the utility model discloses magnetron among the microwave heating system can set up 2-15 to reduce customer waiting time, strengthen the experience of customer to selling the machine.

As the embodiment of the present invention, further, the top of the heating box 1 is provided with a fixing plate 16 for fixing the first telescopic assembly.

As the embodiment of the utility model provides a, it is further, first flexible subassembly 7 and the flexible subassembly 12 of second all are provided with electric putter 100, electric putter 100's both ends articulate respectively has first fixed bolster 200 and second fixed bolster 300. The electric putter 100 can perform a telescopic motion, and the electric putter 100 can rotate around the first and

second fixing brackets

200 and 300.

As an embodiment of the present invention, further, the first fixing bracket 200 on the first telescopic assembly 7 is fixedly disposed on one side of the upper surface of the first movable door 6, and the second fixing bracket 300 on the first telescopic assembly 7 is fixedly disposed on the upper end of the fixing plate 16. Electric putter on first flexible subassembly 7 can be rotary motion around fixing first fixed bolster 200 on first dodge gate 6, when electric putter 100 carries out concertina movement, can make electric putter 100 be rotary motion around fixing the second fixed bolster 300 on fixed plate 16, drives first dodge gate 6 through first fixed bolster 200 and overturns on the mouth of stocking 5 and open and shut.

As an embodiment of the present invention, further, the first fixing bracket 200 on the second telescopic assembly 12 is fixedly disposed on one side of the lower surface of the second movable door 9, and the second fixing bracket 300 on the second telescopic assembly 12 is fixedly disposed at the bottom of the cargo outlet box 1. The electric push rod 100 on the second telescopic assembly 12 can rotate around the first fixing support 200 fixed on the second movable door 9, when the electric push rod 100 performs telescopic motion, the electric push rod 100 can rotate around the second fixing support 200 fixed on the bottom of the cargo outlet box 1, and the first fixing support 200 drives the second movable door 9 to turn over and open on the cargo outlet 8.

As the embodiment of the utility model discloses, it is further, it is used for cleaning to be provided with directly ahead heating chamber 3's third dodge gate 17, through third dodge gate 17, can regularly clear up the lunch-box pollutant in the heating chamber 3, simultaneously when second dodge gate 17 breaks down unable opening, the lunch-box can't reach when selling machine delivery storehouse, when the unable normal work of vending machine equipment, when needing the manual work to overhaul, can open through third dodge gate 17, take out the lunch-box to overhaul heating system.

The utility model discloses still including being used for detecting first movable door 6 closed first inductor 18, second movable door 9 closed second inductor 19, the closed third inductor 20 of third movable door 17, first inductor 18 sets up by advancing goods mouth 5, second inductor 19 sets up by going out goods mouth 8, third inductor 20 sets up on the heating cavity 3 lateral wall at third movable door 17 place. The opening and closing state of the movable door is detected by arranging the sensor, so that the controller 14 can orderly control the operation of the whole heating system according to the instruction of the controller 14 after receiving the opening and closing signal.

The utility model discloses still include a diffuse reflection photoelectric switch 21 that is used for detecting box lunch and gets into heating chamber 3, diffuse reflection photoelectric switch 21 sets up by the mouth of stocking 5. When a lunch box in the vending machine frame enters the heating chamber 3 through the conveying mechanism from the goods inlet 5, the diffuse reflection photoelectric switch 21 detects, and simultaneously transmits a signal to the controller 14, and other components of the heating system are operated by the controller 14.

Further, the controller 14 is electrically connected to the rotating motor 11, the three sensors, the diffuse reflection photoelectric switch 21, the first telescopic assembly 7, the second telescopic assembly 12, and the plurality of magnetrons 22, respectively.

The utility model discloses a concrete theory of operation is:

the heating system of the utility model is installed on the frame of the vending machine, under the initial state, the first movable door 6 is opened, the second movable door 9 is closed, the third movable door 17 is normally closed, when the box lunch to be heated in the vending machine drops to the heating chamber 3 through the goods inlet 5, the diffuse reflection photoelectric switch 21 detects the box lunch signal and transmits the signal to the controller 14, the controller 14 drives the first telescopic component 7 to close the first movable door 6, when the first inductor 18 detects the closing of the first movable door 6, the signal is transmitted to the controller 14, meanwhile, the second inductor 19 and the third inductor 20 synchronously transmit the detected closing signal to the controller 14, after the controller 14 receives the closing signals of the three movable doors, the controller 14 drives the plurality of magnetrons 22 to transmit microwaves to the resonant cavity 4 at the same time, the synchronous controller 14 controls the rotating motor 11 to rotate to drive the microwave rotating disc 10 in the heating chamber 3 to rotate, a plurality of microwaves are reflected and focused in the resonant chamber 4 in an unordered manner to form high-power and high-energy microwaves and are transmitted into the heating chamber 3 from the resonant chamber 4, the high-power microwaves can rapidly heat lunch boxes, the lunch boxes rotate on the microwave rotating disc 10, so that the lunch boxes can be fully heated by the microwaves, after the set microwave heating time is reached, the controller 14 closes the magnetron 22, simultaneously the controller 14 drives the second telescopic assembly 12 to open the second movable door 9, the lunch boxes on the microwave rotating disc 10 slide out of the goods outlet 8 and slide down into the goods outlet of the vending machine through the goods outlet channel 13 on the side wall right in front of the goods outlet 2, and when the lunch boxes slide out of the second movable door 9, the controller 14 drives the second telescopic assembly 12 to close the second movable door 9, and simultaneously the controller 14 drives the first telescopic assembly 7 to open the first movable door 6, so as to heat the next box lunch.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A microwave heating system for boxed meal vending machine sets up in the boxed meal vending machine's frame, including heating cabinet and the fixed packing box that sets up in the heating cabinet bottom, its characterized in that:

2. A microwave heating system for cartoons vending machine according to claim 1, further comprising: the power of the magnetron is 1000w-2000 w.

3. A microwave heating system for cartoons vending machine according to claim 1, further comprising: the heating box top is provided with the fixed plate that is used for fixed first telescopic component.

4. A microwave heating system for cartoons vending machine according to claim 1, further comprising: first flexible subassembly and the flexible subassembly of second all are provided with electric putter, electric putter's both ends articulate respectively has first fixed bolster and second fixed bolster.

5. A microwave heating system for cartoons vending machine according to claim 1, further comprising: a first fixed support on the first telescopic assembly is fixedly arranged on one side of the upper surface of the first movable door, and a second fixed support on the first telescopic assembly is fixedly arranged at the upper end of the fixed plate.

6. A microwave heating system for cartoons vending machine according to claim 1, further comprising: and a first fixed support on the second telescopic assembly is fixedly arranged on one side of the lower surface of the second movable door, and a second fixed support on the second telescopic assembly is fixedly arranged at the bottom of the cargo outlet box.

7. A microwave heating system for cartoons vending machine according to claim 1, further comprising: and a third movable door for cleaning the heating chamber is arranged right in front of the heating chamber.

8. A microwave heating system for cartoons vending machine according to claim 1, further comprising: still including being used for detecting the closed first inductor of first dodge gate, the closed second inductor of second dodge gate, the closed third inductor of third dodge gate, first inductor setting is by the mouth of stocking goods, the second inductor setting is by the mouth of stocking goods, the third inductor setting is on the heating chamber lateral wall at third dodge gate place.

9. A microwave heating system for cartoons vending machine according to claim 1, further comprising: the diffuse reflection photoelectric switch is used for detecting the boxed meal entering the heating chamber and is arranged beside the goods inlet.

10. A microwave heating system for cartoons vending machine according to claim 1, further comprising: the controller is respectively and electrically connected with the rotating motor, the three sensors, the diffuse reflection photoelectric switch, the first telescopic assembly, the second telescopic assembly and the magnetrons.