CN110916319A - Novel environment-friendly lunch box - Google Patents

Abstract

The invention discloses a novel environment-friendly lunch box, which comprises an upper cover component, a middle component and a shell component, wherein a heating plate is used for heating liquid so as to heat meal, the heating liquid completely wraps a meal groove and the meal groove, so that the heating liquid can transfer heat to the meal from the periphery in a heat conduction mode, compared with a mode that the meal can only be heated from the bottom in a common lunch box, the lunch box can be heated more uniformly, a solar cell panel can supply power to the heating plate at ordinary times so as to achieve the effect of heat preservation, a worker can not use an external power supply to heat the meal at noon under the conditions of sufficient sunlight and not very low temperature, the output of electric power is saved, the novel environment-friendly lunch box is more environment-friendly, a USB (universal serial bus) wire is reserved for facilitating the use of the people outside, and more devices can be externally connected to supply power, for example, a computer, a mobile phone power supply configurator or even a charger baby, thereby being greatly convenient for people to use.

Description

Novel environment-friendly lunch box

Technical Field

The invention relates to a lunch box, in particular to a novel environment-friendly lunch box.

Background

The lunch box is usually used for carrying food such as meal, and is deeply welcomed by workers who are far away from a company and cannot go home to eat, and the current common lunch boxes are generally two, wherein one lunch box has no heat preservation effect, and the whole lunch box needs to be put into a microwave oven for heating before eating, which is not suitable for the company without the microwave oven, and for the company with large scale, the whole lunch box needs to be queued for the microwave oven to heat the meal, so that the precious rest time of the workers is wasted, and the situation that the workers cannot eat hot meal can occur; and another kind is exactly to possess the lunch-box of independently heating function, this kind of lunch-box is installed a hot plate additional mostly in the lunch-box bottom, heat the meal that holds in the lunch-box gradually from the bottom through heat-conducting mode, this kind of heating methods is to heat the meal that holds from the bottom through heat-conducting mode, this can lead to the inhomogeneous that the meal was heated to it is hot and the meal of higher authority is really cold to appear the bottom meal, especially the user of influence after eating cold meal winter is healthy.

Disclosure of Invention

The invention aims to provide a novel environment-friendly lunch box to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel environment-friendly lunch box comprises an upper cover component, an intermediate component and a shell component, wherein the upper cover component comprises a solar cell panel, a wire, an upper cover shell body, a spring and a binding post, the solar cell panel is fixed right above the upper cover shell body, a groove is formed in the left side of the upper cover shell body and used for mounting the spring and the binding post, the binding post is connected in the groove in a sliding manner, the spring is mounted between the groove and the binding post, the solar cell panel is electrically connected with the binding post through the wire, the intermediate component comprises a rice groove, a dish groove, an intermediate shell body, heating liquid and a convex block, one rice groove is formed, the number of the dish grooves is two, gaps are reserved between the outer walls of the rice groove and the dish groove or between the outer walls of the dish groove and the dish groove, therefore, the heating liquid can wrap the whole rice groove and the dish groove, and the convex blocks are arranged around the, the shell part includes shell main part, hot plate, USB line, wiring board and boss, the shell main part with cooperate between the upper cover casing, lie in the position that the terminal corresponds is provided with the wiring board, realize electric connection through the wire between wiring board and the hot plate, wiring board fixed connection in shell main part bottom, and with electric connection between the USB line, be equipped with in the shell main part with lug matched with boss on the middle casing, sealing connection between lug and the boss, preferably splice, thereby be in vacuole formation between middle casing and the shell main part, and inject heating liquid in the cavity.

As a further scheme of the invention: the upper cover shell and the shell main body are both made of food-grade environment-friendly materials.

As a further scheme of the invention: the number of the binding posts is two, and the binding posts are respectively electrically connected with the positive pole and the negative pole of the solar cell panel through leads.

As a further scheme of the invention: be provided with the storing chamber in the upper cover casing, storing chamber sliding connection has the storing groove, the storing groove can slide in the storing intracavity.

As a further scheme of the invention: the length of the storage groove is equal to the depth of the storage cavity.

As a further scheme of the invention: the middle shell is made of edible grade 304 stainless steel.

As a further scheme of the invention: the wall thickness of the rice groove and the dish groove is between 1.5 and 2 mm.

Compared with the prior art, the invention has the beneficial effects that: the invention realizes the heating of the rice and the dish by heating the heating liquid through the heating plate, and the heating liquid completely wraps the rice groove and the dish groove, therefore, the heating liquid can transfer heat to the meal from the periphery in a heat conduction mode, compared with the mode that the meal can only be heated from the bottom of the common lunch box, the heating of the meal is more uniform, the solar cell panel can supply power to the heating plate at ordinary times, so that the heat preservation effect is achieved, under the conditions of sufficient sunlight and not particularly low temperature, workers do not need to use an external power supply to heat the meal in the noon, the output of electric power is saved, therefore, the USB cable is more environment-friendly, and is convenient for people outside the travel to use, more external devices can be connected to supply power, for example, a computer, a mobile phone power supply configurator or even a charger baby, and great convenience is brought to the use of people.

Drawings

Fig. 1 is a schematic perspective view of a novel environment-friendly lunch box.

Fig. 2 is a sectional view of the novel environment-friendly lunch box.

FIG. 3 is an enlarged view of the position A in the novel environment-friendly lunch box.

In the figure: 10-upper cover component, 20-middle component, 30-shell component, 11-solar panel, 12-lead, 13-upper cover shell, 14-storage cavity, 15-storage groove, 16-spring, 17-binding post, 21-rice groove, 22-dish groove, 23-middle shell, 24-heating liquid, 25-lug, 26-dovetail groove, 31-shell main body, 32-heating plate, 33-USB wire, 34-wiring board and 35-lug boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. Other embodiments, which can be obtained by those skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the term "center". The orientations or positional relationships indicated by "length," "width," "height," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like are based on the orientations or positional relationships shown in fig. 2 and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Example 1

Referring to fig. 1 to 3, a new environmentally friendly lunch box includes anupper cover member 10, amiddle member 20 and ahousing member 30, theupper cover part 10 includes asolar cell panel 11, alead 12, anupper cover case 13, aspring 16 and a bindingpost 17, thesolar cell panel 11 is fixed right above theupper cover casing 13, thesolar cell panel 11 supplies power to theheating plate 32 at ordinary times, thereby realizing the heat preservation function of the meal without switching on the power supply, greatly reducing the output of the electric power, thereby being more environment-friendly, the left side of theupper cover shell 13 is provided with a groove for installing thespring 16 and thebinding post 17, thebinding post 17 is connected in the groove in a sliding way, thespring 16 is installed between the groove and thebinding post 17, and thesolar cell panel 11 is electrically connected with thebinding post 17 through thelead 12.

Middle part 20 includesrice groove 21,dish groove 22,middle casing 23, heatingliquid 24 andlug 25,rice groove 21 has one, anddish groove 22 has two, all leave the space between the outer wall ofrice groove 21 anddish groove 22 or between the outer wall ofdish groove 22 anddish groove 22, thereby heatingliquid 24 can all wrap up includingwhole rice groove 21 anddish groove 22, and then this lunch-box can be throughhot plate 32 to heating liquid 24 heats, thereby follows the dish is heated to the meal arounddish groove 22 andrice groove 21, and then has avoided the inhomogeneous problem of heating when heating from bottom single direction, and the meal that obtains is no matter the top or the below all is hot,middle casing 23 top is equipped withlug 25 all around.

Thehousing member 30 includes a housingmain body 31, aheating plate 32, aUSB cable 33, aterminal plate 34 and a boss 35, the housingmain body 31 and theupper cover casing 13 are engaged with each other, theterminal plate 34 is disposed at a position corresponding to theterminal 17, theterminal plate 34 and theheating plate 32 are electrically connected by alead 12, so that when theupper cover member 10 is placed on thehousing member 30, theterminal plate 17 and theterminal plate 34 are electrically connected, and thesolar cell panel 11 and theheating plate 32 are electrically connected, and electric energy generated by thesolar cell panel 11 can be transmitted to theheating plate 32 through thelead 12, theterminal plate 34 is fixedly connected to the bottom of the housingmain body 31, and this structure also facilitates a user to remove theupper cover member 10 from thehousing member 30, thereby preventing thelead 12 between thehousing member 30 and theupper cover member 10 from being not easy to separate, theheating plate 32 is electrically connected with theUSB cable 33, the shellmain body 31 is provided with a boss 35 matched with thebump 25 on themiddle shell 23, thebump 25 is hermetically connected with the boss 35, in this embodiment, the sealing is realized by glue, so that a cavity is formed between themiddle shell 23 and the shellmain body 31, the cavity is filled with theheating liquid 24, and theheating liquid 24 is prevented from flowing out from the cavity through the hermetic connection between thebump 25 and the boss 35.

As a further aspect of this embodiment: theupper cover shell 13 and the shellmain body 31 are both made of food-grade environment-friendly materials.

As a further aspect of this embodiment: the number of thebinding posts 17 is two, and the binding posts are respectively electrically connected with the positive electrode and the negative electrode of thesolar cell panel 11 throughleads 12.

As a further aspect of this embodiment: be provided with storingchamber 14 in theupper cover casing 13, storingchamber 14 sliding connection has storinggroove 15, storinggroove 15 can slide in storingchamber 14,storing chamber 14 can be used for depositing chopsticks or the ladle of eating meal usefulness, has avoided preparing article in addition and has deposited chopsticks or ladle, very convenient to the user.

As a further aspect of this embodiment: the length of thestorage slot 15 is equal to the depth of thestorage cavity 14.

As a further aspect of this embodiment: themiddle shell 23 is made of food-grade stainless steel 304, and metal has excellent thermal conductivity compared with other materials, so that heat of theheating liquid 24 can be well transferred to meals, and the shellmain body 31 is made of food-grade environment-friendly materials, so that the thermal conductivity is poor compared with stainless steel, and heat loss can be well avoided.

As a further aspect of this embodiment: since the thermal conductivity of the object is related to the thickness of the object in addition to the material of the object, the thermal conductivity is better as the thickness is smaller, and in order to achieve the best thermal conductivity effect while ensuring the structural strength, the wall thickness of therice groove 21 and thedish groove 22 is 1.5mm in the present embodiment.

Example 2

The difference between this embodiment and embodiment 1 is that thebump 25 and the boss 35 are hermetically connected through adovetail groove 26 and an O-ring, thedovetail groove 26 is disposed below thebump 25, the O-ring is mounted in thedovetail groove 26, and the sealing is achieved through the O-ring, and in this embodiment, in order to increase the structural strength of therice groove 21 and thedish groove 22, the thickness of therice groove 21 and thedish groove 22 is 2 mm.

The working principle of the invention is as follows:

according to the invention, double power supply is realized through thesolar cell panel 11 and theUSB wire 33, thesolar cell panel 11 is adopted to supply power under the condition of abundant sunlight, and when the sunlight is insufficient, an external power supply can be used for supplying power to equipment.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (7)

1. A novel environment-friendly lunch box comprises an upper cover component (10), an intermediate component (20) and a shell component (30), and is characterized in that the upper cover component (10) comprises a solar cell panel (11), a wire (12), an upper cover shell (13), a spring (16) and a wiring terminal (17), the solar cell panel (11) is fixed right above the upper cover shell (13), a groove is formed in the left side of the upper cover shell (13) and used for installing the spring (16) and the wiring terminal (17), the wiring terminal (17) is connected in the groove in a sliding mode, the spring (16) is installed between the groove and the wiring terminal (17), the solar cell panel (11) and the wiring terminal (17) are electrically connected through the wire (12), the intermediate component (20) comprises a rice groove (21), a dish groove (22), an intermediate shell (23), heating liquid (24) and a convex block (25), rice groove (21) has one, dish groove (22) has two, rice groove (21) and adjacent between the outer wall of dish groove (22) and adjacent all leave the space between the outer wall of dish groove (22), thereby heating liquid (24) can all wrap up including whole rice groove (21) and dish groove (22), middle casing (23) top is equipped with lug (25) all around, shell part (30) is including shell main part (31), hot plate (32), USB line (33), wiring board (34) and boss (35), shell main part (31) with cooperate between upper cover casing (13), with the position that terminal (17) correspond is provided with wiring board (34), realize electric connection through wire (12) between wiring board (34) and the hot plate (32), wiring board (34) fixed connection in shell main part (31) bottom, and with electric connection between USB line (33), be equipped with on shell main part (31) with lug (25) matched with boss (35) on middle casing (23), sealing connection between lug (25) and boss (35) thus form the cavity between middle casing (23) and shell main part (31), pour into heating fluid (24) in the cavity.

2. The new environmentally friendly lunch box according to claim 1, wherein the upper cover shell (13) and the housing main body (31) are both made of food grade environmentally friendly materials.

3. The novel environment-friendly lunch box according to claim 1 or 2, characterized in that the number of the terminals (17) is two, and the terminals are respectively electrically connected with the positive electrode and the negative electrode of the solar panel (11) through leads (12).

4. The novel environment-friendly lunch box according to claim 3, characterized in that a storage chamber (14) is arranged in the upper cover shell (13), a storage groove (15) is slidably connected to the storage chamber (14), and the storage groove (15) can slide in the storage chamber (14).

5. The new environmentally friendly lunch box according to claim 1, characterized in that the length of the storage groove (15) is equal to the depth of the storage cavity (14).

6. The new environmental friendly lunch box according to claim 1, characterized in that the material of the middle housing (23) is food grade 304 stainless steel.

7. The new environmental friendly lunch box according to claim 1, characterized in that the wall thickness of the rice and dish troughs (21, 22) is between 1.5-2 mm.

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