Heating system of vending machine and vending machine

Abstract

The utility model provides a heating system of a vending machine and the vending machine, the heating system comprises a heating assembly, the heating assembly comprises a steam cover and a heating head, the heating head is at least partially arranged in the steam cover; the steam supply system is communicated with the heating head and is used for conveying steam to the heating head; when the heating assembly heats the target meal box, a steam space is formed in the steam cover, an opening of the target meal box is formed in the steam space, and the heating head is used for conveying steam into the steam space. The utility model solves the problem that in the prior art, a steam injection device is arranged above a meal box, and the steam is not collected, so that the heating efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic vending machines, and in particular to a heating system of an automatic vending machine and the automatic vending machine. Background Art

[0002] With the development of science and technology, vending machines have been widely used in people's daily life, especially in the field of fast food and food sales. In order to meet consumers' demand for hot food, existing vending machines are equipped with steam heating devices to heat meal boxes.

[0003] In the prior art, the steam heating device of the vending machine heats the food in the lunch box by injecting steam into the lunch box. However, since the steam injection device in the prior art is arranged above the lunch box, the steam is not collected, and the steam diffuses from the opening of the lunch box, resulting in reduced heating efficiency. Utility Model Content

[0004] The problem solved by the utility model is that in the prior art, the steam injection is arranged above the lunch box, and the steam is not collected, thus resulting in a reduction in heating efficiency.

[0005] In order to solve the above problems, the utility model provides a heating system for a vending machine, the heating system comprising: a heating component, the heating component comprising a steam hood and a heating head, the heating head being at least partially disposed in the steam hood; a steam supply system, the steam supply component being connected to the heating head and being used to convey steam to the heating head; wherein, when the heating component heats a target lunch box, a steam space is formed in the steam hood, the opening of the target lunch box is disposed in the steam space, and the heating head is used to convey steam into the steam space.

[0006] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting a steam hood, the steam is effectively gathered in the steam space, and the target lunch box is set in the steam hood, so that the steam can heat the food in the target lunch box more concentratedly, thereby significantly improving the heating efficiency.

[0007] Furthermore, the heating system includes: a steam recovery system, the steam recovery system includes a waste water tank, the waste water tank is connected to the steam recovery port of the steam hood through a first recovery pipeline; wherein the first recovery pipeline is provided with a first solenoid valve and a fan; the steam recovery port is connected to the steam space.

[0008] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by connecting the steam recovery port and the waste water tank through the first recovery pipeline, and arranging the first solenoid valve on the first recovery pipeline, the steam recovery process can be controlled. When steam recovery is required, the first solenoid valve is opened, the steam recovery port is connected to the waste water tank, and the fan starts to work to extract the steam in the steam space to the waste water tank. By optimizing the steam recovery system, the diffusion of steam into the interior of the vending machine is prevented, thereby enhancing the protection effect on electrical components.

[0009] Furthermore, the steam recovery system includes: a safety valve, an output end of the safety valve is connected to a wastewater tank; a first tee, the first tee is arranged in a first recovery pipeline, an input end of the first tee is connected to a steam recovery port, a first output end of the first tee is connected to the first recovery pipeline, and a second output end of the first tee is connected to an input end of the safety valve; wherein, when the pressure in the steam space is greater than a threshold value of the safety valve, the safety valve opens to allow the steam in the steam space to pass into the wastewater tank.

[0010] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: by setting a safety valve, a safety mechanism is provided for the heating system. When the pressure in the steam space exceeds the threshold set by the safety valve, the safety valve will automatically open and release the excess steam into the wastewater tank to prevent safety hazards caused by excessive pressure in the steam space. The output ends of the first three-way valve are respectively connected to the first recovery pipeline and the safety valve. When the target lunch box needs to be heated by steam, the first solenoid valve is closed, and the steam recovery port is connected to the safety valve. The safety valve ensures that the pressure in the steam space is at a safe threshold; when the steam in the steam space needs to be discharged, the first solenoid valve is opened, and the steam is passed into the wastewater tank along the first recovery pipeline.

[0011] Furthermore, the steam supply system includes: a steam generator, which is connected to the heating head through a first steam pipeline; wherein a second solenoid valve is provided on the first steam pipeline.

[0012] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the steam generator is used to generate high-temperature steam and provide it to the heating head of the heating component to heat the target lunch box. The setting of the second solenoid valve enables the heating system to control the supply of steam. By adjusting the opening and closing of the second solenoid valve, the system can adjust the supply of steam according to the needs of the heating component, thereby controlling the heating process of the heating component.

[0013] Furthermore, the steam supply system includes: a second tee, the second tee is arranged in the first steam pipeline, the input end of the second tee is connected to the output end of the steam generator, the first output end of the second tee is connected to the input end of the second solenoid valve, the second output end of the second tee is connected to the third solenoid valve, and the third solenoid valve is connected to the waste water tank; wherein, when the steam generator is in the steam supply mode, the second solenoid valve is in an open state and the third solenoid valve is in a closed state; when the steam generator is in the preheating mode, the second solenoid valve is in a closed state and the third solenoid valve is in an open state.

[0014] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: when the steam generator starts to work, the temperature of the steam generated by the steam generator is insufficient, at this time, the second solenoid valve is controlled to be closed, the third solenoid valve is opened, the steam generator is connected to the waste water tank through the third solenoid valve, and the steam is passed into the waste water tank. When the temperature of the steam reaches the preset temperature, the second solenoid valve is opened, the third solenoid valve is closed, the steam generator is connected to the heating component through the second solenoid valve, and the high-temperature steam is passed into the heating component.

[0015] Furthermore, the steam supply unit includes: a water vapor separator, the output end of the steam generator is connected to the input end of the water vapor separator, the first output end of the water vapor separator is connected to the waste water tank, and the second output end is connected to the input end of the first steam pipeline; wherein the liquid separated by the water vapor separator is passed into the waste water tank through the first output end.

[0016] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the water vapor separator is used to separate the water contained in the steam generated by the steam generator to prevent the water in the steam from entering the target lunch box and changing the taste of the target lunch box.

[0017] Furthermore, the heating system includes: a hot water supply system, a steam supply component connected to the heating head, and is used to deliver hot water to the heating component.

[0018] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: hot water is supplied to the heating component through a hot water supply system, so that the heating component can heat the target lunch box by two heating methods: steam or hot water.

[0019] Furthermore, the hot water supply system includes: a hot water barrel, which is connected to the heating head through a first hot water pipeline; wherein the first hot water pipeline is provided with a water outlet pump, a fourth solenoid valve, a flow sensor and a one-way valve.

[0020] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the hot water bucket is used to provide hot water, the water outlet pump can stably deliver hot water to the heating head according to the set flow rate and pressure, the fourth solenoid valve is used to control the connection between the hot water bucket and the heating head, and the setting of the one-way valve ensures that the hot water can only flow in the set direction, preventing the backflow of hot water in the pipeline.

[0021] Furthermore, the portion of the heating head disposed within the steam hood has a nozzle, which is used to spray steam or hot water toward the target lunch box to heat the target lunch box.

[0022] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: the heating head design in the steam hood can ensure that steam and hot water heat the target lunch box in the steam space, reduce heat loss, and improve heating uniformity. The heating head is connected to the steam supply system and the hot water supply system respectively, and sprays steam or hot water through the nozzle to meet different heating needs.

[0023] The utility model also provides an automatic vending machine, which comprises a heating system as described in any one of the above technical solutions.

[0024] After adopting the technical solution of the utility model, the following technical effects can be achieved:

[0025] The steam is effectively collected in the steam space by arranging the steam hood, and the target lunch box is arranged in the steam hood, so that the steam can heat the food in the target lunch box more concentratedly, thereby significantly improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A system diagram of a heating system provided in Embodiment 1 of the present utility model;

[0027] Figure 2 A schematic diagram of the structure of a heating assembly provided in Embodiment 1 of the present utility model;

[0028] Figure 3 A schematic diagram of the structure of a heating device provided in Embodiment 2 of the present utility model;

[0029] Figure 4 A schematic diagram of the structure of a steam recovery device provided in Embodiment 2 of the present utility model;

[0030] Figure 5 A schematic diagram of the structure of a heating device provided in Embodiment 2 of the present utility model;

[0031] Figure 6 This is a schematic diagram of the structure of the automatic vending machine provided in the second embodiment of the present utility model.

[0032] Description of reference numerals:

[0033] 10. Heating assembly; 110. Steam cover; 111. Steam recovery port; 112. Steam space; 120. Heating head; 121. Nozzle; 130. Sixth three-way;

[0034] 20. Steam supply system; 210. Steam generator; 220. Water vapor separator; 230. First steam pipeline; 240. Second solenoid valve; 250. Second three-way valve; 260. Third solenoid valve; 270. Fourth three-way valve; 280. Fifth solenoid valve;

[0035] 30. Steam recovery system; 310. Waste water tank; 320. First recovery pipeline; 330. First solenoid valve; 340. Fan; 350. Safety valve; 360. First three-way valve; 370. Third three-way valve;

[0036] 40. Hot water supply system; 410. Hot water bucket; 420. First hot water pipeline; 430. Water outlet pump; 440. Fourth solenoid valve; 450. Flow sensor; 460. One-way valve; 470. Fifth three-way valve; 510. Clean water bucket; 520. Water inlet pump. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0038] Embodiment 1:

[0039] This embodiment provides a vending machine heating system. Figure 1 and Figure 2 As shown, the heating system includes: a heating component 10, the heating component 10 includes a steam hood 110 and a heating head 120, and the heating head 120 is at least partially disposed in the steam hood 110; a steam supply system 20, the steam supply system 20 is connected to the heating head 120, and is used to convey steam to the heating head 120; wherein, when the heating component 10 heats the target lunch box, a steam space 112 is formed in the steam hood 110, the opening of the target lunch box is disposed in the steam space 112, and the heating head 120 is used to convey steam into the steam space 112.

[0040] Specifically, the heating component 10 includes a steam hood 110 and a heating head 120. The heating head 120 is used to heat the target lunch box. When heating the target lunch box, the heating component 10 moves downward so that the steam hood 110 is snapped into the opening of the target lunch box. The steam hood 110 and the opening of the target lunch box form a steam space 112. When the heating head 120 sprays steam to heat the target lunch box, the steam hood 110 can prevent the steam from entering the vending machine to prevent the steam from damaging the electronic components of the vending machine.

[0041] Preferably, there are two heating components 10 , and the steam supply system 20 is connected to the two heating components 10 respectively through the fourth three-way connection 270 .

[0042] Furthermore, the heating system includes: a steam recovery system 30, the steam recovery system 30 includes a waste water tank 310, the waste water tank 310 is connected to the steam recovery port 111 of the steam hood 110 through a first recovery pipeline 320; wherein, the first recovery pipeline 320 is provided with a first solenoid valve 330 and a fan 340; the steam recovery port 111 is connected to the steam space 112.

[0043] Preferably, the steam recovery ports 111 of the two heating components 10 are respectively connected to the two input ends of the third tee 370 , and the output end of the third tee 370 is connected to the first recovery pipeline 320 .

[0044] Furthermore, the steam recovery system 30 includes: a safety valve 350, the output end of the safety valve 350 is connected to the wastewater tank 310; a first tee 360, the first tee 360 ​​is arranged in the first recovery pipeline 320, the input end of the first tee 360 ​​is connected to the steam recovery port 111, the first output end of the first tee 360 ​​is connected to the first recovery pipeline 320, and the second output end of the first tee 360 ​​is connected to the input end of the safety valve 350; wherein, when the pressure in the steam space 112 is greater than the threshold value of the safety valve 350, the safety valve 350 is opened to allow the steam in the steam space 112 to pass into the wastewater tank 310.

[0045] Furthermore, the steam supply system 20 includes: a steam generator 210 , and the steam generator 210 is connected to the heating head 120 through a first steam pipeline 230 ; wherein a second solenoid valve 240 is provided on the first steam pipeline 230 .

[0046] Furthermore, the steam supply system 20 includes: a second tee 250, the second tee 250 is arranged on the first steam pipeline 230, the input end of the second tee 250 is connected to the output end of the steam generator 210, the first output end of the second tee 250 is connected to the input end of the second solenoid valve 240, the second output end of the second tee 250 is connected to the third solenoid valve 260, and the third solenoid valve 260 is connected to the waste water tank 310; wherein, when the steam generator 210 is in the steam supply mode, the second solenoid valve 240 is in an open state, and the third solenoid valve 260 is in a closed state; when the steam generator 210 is in the preheating mode, the second solenoid valve 240 is in a closed state, and the third solenoid valve 260 is in an open state.

[0047] Preferably, the second solenoid valve 240 is connected to the input end of the fourth tee 270, and the two output ends of the fourth tee 270 are respectively connected to the two heating components 10; a fifth solenoid valve 280 is respectively provided between the fourth tee 270 and the two heating components 10, and the switch of the fifth solenoid valve 280 is used to control whether the two heating components are working.

[0048] Preferably, when the steam generator 210 is in the steam supply mode, the steam generator 210 is connected to the second three-way valve 250, the second solenoid valve 240, the fourth three-way valve 270, the fifth solenoid valve 280 and the heating assembly 10 in sequence through the first steam pipeline 230.

[0049] Furthermore, the steam supply unit includes: a water vapor separator 220, the output end of the steam generator 210 is connected to the input end of the water vapor separator 220, the first output end of the water vapor separator 220 is connected to the waste water tank 310, and the second output end is connected to the input end of the first steam pipeline 230; wherein the liquid separated by the water vapor separator 220 is passed into the waste water tank 310 through the first output end.

[0050] Furthermore, the heating system includes: a hot water supply system 40 , a steam supply component connected to the heating head 120 , and is used to deliver hot water to the heating component 10 .

[0051] Furthermore, the hot water supply system 40 includes: a hot water barrel 410, which is connected to the heating head 120 through a first hot water pipeline 420; wherein the first hot water pipeline 420 is provided with a water outlet pump 430, a fourth solenoid valve 440, a flow sensor 450 and a one-way valve 460.

[0052] Preferably, the hot water bucket 410 is connected to the input end of the fifth tee 470 through the first hot water pipeline 420, and the two output ends of the fifth tee 470 are respectively connected to the two heating heads 120. A fourth solenoid valve 440, a flow sensor 450 and a one-way valve 460 are provided between the fifth tee 470 and the heating head 120 to respectively control the connection between the hot water bucket 410 and the two heating heads 120.

[0053] Furthermore, the portion of the heating head 120 disposed in the steam cover 110 has a nozzle 121, and the nozzle 121 is used to spray steam or hot water toward the target lunch box to heat the target lunch box.

[0054] Specifically, the steam supply system 20 and the hot water supply system 40 are respectively connected to the two input ends of the sixth tee 130, and the output end of the sixth tee 130 is connected to the heating head 120. The steam supply system 20 and the hot water supply system 40 are respectively connected to the heating head 120 through the sixth tee. Specifically, the heating system includes a clean water bucket 510, which is respectively connected to the steam generator 210 and the hot water bucket 410. A water inlet pump 520 is provided between the clean water bucket 510 and the steam generator 210 and the hot water bucket 410 to transport the water in the clean water bucket 510 to the steam generator 210 or the hot water bucket 410.

[0055] Embodiment 2:

[0056] like Figure 6 As shown, this embodiment provides an automatic vending machine, and the automatic vending machine includes the heating system as in the first embodiment.

[0057] Specifically, the vending machine includes a heating device, a steam recovery device and a heat supply device.

[0058] Specifically, Figure 3 As shown, a heating assembly 10 is provided on the heating device, and the heating assembly 10 is connected to a lifting rail on the heating device, and the lifting rail drives the heating assembly to move up and down.

[0059] Specifically, the heating device is also provided with a fourth three-way valve 270 and a fifth solenoid valve 280 of the steam supply system, a flow sensor 450 and a one-way valve 460 of the hot water supply system, a third three-way valve 370 of the steam recovery system, and a sixth three-way valve 130.

[0060] Specifically, Figure 4 As shown, the steam recovery device is provided with a first solenoid valve 330 , a fan 340 , a safety valve 350 and a first three-way valve 360 ​​.

[0061] Specifically, Figure 5 As shown, the heating device is provided with a steam generator 210, a water vapor separator 220, a second solenoid valve 240, a third solenoid valve 260 and a second three-way valve 250, as well as a hot water tank 410, a water outlet pump 430, a fourth solenoid valve 440, a fifth three-way valve 470 and a water inlet pump 520.

[0062] It should be noted that the various components in the heating device, the steam recovery device and the heat supply device are connected according to the connection method of the heating system in Example 1, and will not be repeated again.

[0063] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A heating system for a vending machine, characterized in that: The heating system comprises: A heating assembly (10), the heating assembly (10) comprising a steam hood (110) and a heating head (120), the heating head (120) being at least partially disposed within the steam hood (110); a steam supply system (20), the steam supply system (20) being in communication with the heating head (120) and being used for delivering steam to the heating head (120); When the heating component (10) heats the target lunch box, a steam space (112) is formed in the steam hood (110), the opening of the target lunch box is arranged in the steam space (112), and the heating head (120) is used to transport steam into the steam space (112).

2. The heating system according to claim 1, characterized in that: The heating system comprises: A steam recovery system (30), the steam recovery system (30) comprising a waste water tank (310), the waste water tank (310) being in communication with a steam recovery port (111) of the steam hood (110) via a first recovery pipeline (320); Wherein, the first recovery pipeline (320) is provided with a first solenoid valve (330) and a fan (340); The steam recovery port (111) is in communication with the steam space (112).

3. The heating system according to claim 2, characterized in that: The steam recovery system (30) comprises: A safety valve (350), wherein an output end of the safety valve (350) is connected to the waste water tank (310); a first tee (360), the first tee (360) being arranged on the first recovery pipeline (320), the input end of the first tee (360) being in communication with the steam recovery port (111), the first output end of the first tee (360) being in communication with the first recovery pipeline (320), and the second output end of the first tee (360) being in communication with the input end of the safety valve (350); When the pressure in the steam space (112) is greater than a threshold value of the safety valve (350), the safety valve (350) opens to allow the steam in the steam space (112) to flow into the waste water tank (310).

4. The heating system according to claim 2, characterized in that: The steam supply system (20) comprises: a steam generator (210), the steam generator (210) being in communication with the heating head (120) via a first steam pipeline (230); Wherein, a second solenoid valve (240) is provided on the first steam pipeline (230).

5. The heating system according to claim 4, characterized in that The steam supply system (20) comprises: a second three-way valve (250), the second three-way valve (250) being arranged on the first steam pipeline (230), the input end of the second three-way valve (250) being in communication with the output end of the steam generator (210), the first output end of the second three-way valve (250) being in communication with the input end of the second solenoid valve (240), the second output end of the second three-way valve (250) being in communication with the third solenoid valve (260), and the third solenoid valve (260) being in communication with the waste water tank (310); Wherein, when the steam generator (210) is in a steam supply mode, the second solenoid valve (240) is in an open state, and the third solenoid valve (260) is in a closed state; When the steam generator (210) is in a preheating mode, the second solenoid valve (240) is in a closed state, and the third solenoid valve (260) is in an open state.

6. The heating system according to claim 4, characterized in that: The steam supply unit comprises: a water vapor separator (220), wherein the output end of the steam generator (210) is in communication with the input end of the water vapor separator (220), the first output end of the water vapor separator (220) is in communication with the waste water tank (310), and the second output end is in communication with the input end of the first steam pipeline (230); The liquid separated by the water vapor separator (220) is introduced into the waste water tank (310) through the first output end.

7. The heating system according to claim 1, characterized in that: The heating system comprises: A hot water supply system (40), wherein the steam supply component is in communication with the heating head (120) and is used to deliver hot water to the heating component (10).

8. The heating system according to claim 7, characterized in that: The hot water supply system (40) comprises: a hot water barrel (410), the hot water barrel (410) being connected to the heating head (120) via a first hot water pipeline (420); Wherein, the first hot water pipeline (420) is provided with a water outlet pump (430), a fourth solenoid valve (440), a flow sensor (450) and a one-way valve (460).

9. The heating system according to claim 7, characterized in that: The portion of the heating head (120) disposed within the steam cover (110) comprises a nozzle (121), and the nozzle is used to spray steam or hot water toward the target lunch box to heat the target lunch box.

10. A vending machine, characterized in that: The vending machine comprises a heating system as claimed in any one of claims 1 to 9.

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