CN211673593U - Portable vacuum cup - Google Patents

Abstract

The utility model provides a novel portable thermos cup used in the technical field of kitchen utensils, which improves the structure of the thermos cup. , rechargeable battery, heating unit, charging plug, circuit board, main switch and leakage protection circuit. It is connected with the circuit board, the charging plug is electrically connected with the rechargeable battery through the wire, the rechargeable battery is electrically connected with the power input end of the circuit board through the wire, and the main switch is electrically connected with the circuit board. The utility model can heat cold water to a specific temperature in the absence of a heating source such as a kettle, no external fixed power supply is required, the overall structure is simple, the portability is convenient, and the utility model has good practicability.

Description

A portable thermos cup

technical field

The utility model relates to the field of kitchen utensils, in particular to a portable thermos cup.

Background technique

Vacuum cup is generally a water container made of ceramic or stainless steel plus a vacuum layer. The top has a cover and is tightly sealed. The vacuum insulation layer can delay the heat dissipation of the water and other liquids contained in it to achieve the purpose of heat preservation. .

After searching, some typical prior art was found. For example, the patent with the application number of 200920284904.6 discloses a thermos cup that can be heated automatically. As shown in Figure 5, the thermos cup includes a cup body, a heating source, a temperature sensor, and a rechargeable battery. And the charging socket can automatically heat and keep warm, and its structure is simple. Another example is the patent with the application number of 201820698768.4, which discloses a multi-purpose thermos cup, as shown in Figure 6, which includes a thermos cup body and a heating device. Sampling the temperature, it can instantly display the water temperature inside the cup without power input. The device has a simple structure and has the effects of heat preservation and massage. Another example is the patent with the application number 201721040259.4 which discloses a rechargeable heating thermos cup. As shown in Figure 7, its structure is simple and the design is reasonable. There is a thermal insulation space between the side walls of the inner cup and the outer cup. The hot space prevents the heat of the water from being quickly dissipated to the outer cup, and the thermal insulation cover acts as a second layer of protection to prevent hot hands. The cup holder is detachable, and the power charging socket is connected to the external power supply to provide power for the heat conduction plate and battery , The thermos cup is convenient to use, prevents hand scalding, and can be kept warm and heated.

It can be seen that there are still many unresolved practical problems (such as simplifying the structure and facilitating the heating of the thermos cup) that need to be dealt with in practical applications for the thermos cup.

Utility model content

In order to overcome the deficiencies of the prior art, a portable thermos cup is provided, and the specific technical scheme of the present utility model is as follows:

A portable thermos cup, comprising a lid, an inner cup, a stainless steel shell, a vacuum layer and an inner liner, the inner liner wraps the inner cup, the vacuum layer is formed between the stainless steel shell and the inner liner, and the stainless steel shell The outer side wall of the bottle mouth of the outer casing is provided with an outer thread, the inner side wall of the cup cover is provided with an inner thread, and the inner side wall of the cup cover is threadedly connected with the outer side wall of the bottle mouth of the stainless steel casing, and also includes a temperature sensor, a rechargeable Battery, heating unit, charging plug, circuit board, main switch and leakage protection circuit, the heating unit is arranged on the outer wall of the inner tank and connected to the circuit board through the leakage protection circuit, and the temperature sensor is arranged on the outer wall of the inner tank The charging plug is electrically connected to the rechargeable battery through the wire, the rechargeable battery is electrically connected to the power input terminal of the circuit board through the wire, and the main switch is electrically connected to the circuit board.

Optionally, the heating unit is a graphene heating film or a heating wire surrounding the outer side wall of the inner container.

Optionally, the heating unit is an induction coil wound on the outer side wall of the inner tank, and the induction coil is electrically connected to the circuit board through an inverter.

Optionally, the main switch is arranged on the outer side wall of the stainless steel casing, and the main switch is a rotary switch or a touch switch.

Optionally, a groove is provided in the stainless steel shell, the charging plug is provided in the groove, and a protective sliding cover is provided at the opening of the groove.

Optionally, the rechargeable battery is arranged in a depression at the bottom of the stainless steel casing, and the stainless steel bottom is sleeved with a non-slip base.

Optionally, the protective sliding cover is an elastic push-pull protective sliding cover or a flexible protective sliding cover.

Optionally, the portable thermos cup further includes a cup cover, a power cord plug and a power supply hole. The power supply hole is arranged on the outer side wall of the stainless steel shell and is electrically connected to the power input end of the circuit board, so The cup sleeve is detachably arranged on the anti-skid base, and the power cord plug is placed between the cup sleeve and the anti-skid base.

Optionally, the heating unit is an induction coil wound on the outer side wall of the inner tank, and the induction coil is electrically connected to the circuit board through an inverter.

Optionally, the charging plug is a plug-type plug or a USB socket-type plug.

The beneficial technical effects obtained by the present utility model include:

1. The utility model can heat cold water to a specific temperature outdoors or without a heating source such as a kettle. It does not require an external fixed power supply, and can be taken out after charging. The overall structure is simple, easy to carry, and strong in practicability.

2. By placing the power cord plug between the cup cover and the anti-skid base, use the power hole to electrically connect the power input terminal of the circuit board. When the rechargeable battery is exhausted, you can open the protective slide cover and use the charging plug to Charge the rechargeable battery, or remove the cup cover, connect the rated voltage source with the power cord plug, and directly supply power to the circuit board to make the heating element work and generate heat.

Description of drawings

The present invention can be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

1 is a schematic structural diagram 1 of a portable thermos cup in one of the embodiments of the present invention;

FIG. 2 is a second structural schematic diagram of a portable thermos cup in one of the embodiments of the present invention;

Fig. 3 is a structural schematic diagram three of a portable thermos cup in one of the embodiments of the present utility model;

Fig. 4 is a schematic diagram 4 of the structure of a portable thermos cup in one of the embodiments of the present invention;

5 is a schematic structural diagram of a thermos cup that can be automatically heated in the prior art;

Fig. 6 is the structural representation of a kind of multipurpose thermos cup in the prior art;

FIG. 7 is a schematic structural diagram of a rechargeable heating thermos cup in the prior art.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below in conjunction with its embodiments; it should be understood that the specific embodiments described herein are only used to explain the present utility model, not to limit the present invention. Other systems, methods and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the present invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in the following detailed description and will be apparent from the following detailed description.

The same or similar symbols in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", " The orientation or positional relationship indicated by "right" and the like is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, It is constructed and operated in a specific orientation, so the terms describing the positional relationship in the accompanying drawings are only used for exemplary illustration, and should not be construed as a limitation on this patent. specific meaning.

The utility model is a portable thermos cup, and the following embodiments are described according to FIGS. 1-7:

Example 1:

In daily life, if the temperature is low in winter, you can only drink cold mineral water or tap water and other stomach-injuring water outdoors or without a heating source such as a kettle. Constrained by many factors, its design capacity can not meet enough people's needs, and the water temperature cannot be controlled, which has a certain impact on people's going out; and its heating device (related accessories are inconvenient to carry) is relatively simple, resulting in its relatively large volume and slightly heavy weight. The scope of use is limited. The portable thermos cup described in this embodiment aims to solve the above problems, it does not need to be connected to a fixed power supply around it, and changes the defect that the traditional water bottle can only maintain normal temperature but cannot heat the water temperature. Randomness is stronger.

In order to realize the above functions, as shown in FIG. 1 , this embodiment provides a portable thermos cup, which includes a cup cover 1, an inner cup 2, a stainless steel outer shell 3, a vacuum layer 5, and an inner pot 11, and the inner pot 11 wraps the inner cup. 2. The vacuum layer 5 is formed between the stainless steel outer shell 3 and the inner pot 11, the outer side wall of the bottle mouth of the stainless steel outer shell 3 is provided with an outer thread, and the inner side wall of the cup cover 1 is provided with an inner thread, The inner side wall of the cup cover 1 is threadedly connected to the outer side wall of the bottle mouth of the stainless steel shell 3, and also includes a temperature sensor 13, a rechargeable battery 8, a heating unit 6, a charging plug 7, a circuit board 4, a main switch 12 and leakage current. The protection circuit 9, the heating unit 6 is arranged on the outer wall of the inner pot 11 and connected to the circuit board 4 through the leakage protection circuit 9, and the temperature sensor 13 is arranged on the outer wall of the inner pot 11 and is connected with the circuit board 4, The charging plug 7 is electrically connected to the rechargeable battery 8 through the wire, the rechargeable battery 8 is electrically connected to the power input terminal of the circuit board 4 through the wire, and the main switch 12 is electrically connected to the circuit board 4 .

The main switch 12 is arranged on the outer side wall of the stainless steel casing 3, and the main switch 12 is a rotary switch or a touch switch. Among them, the knob switch is easy to operate and has high safety and reliability; the touch switch occupies a small space and has a high protection level.

The charging plug 7 is a plug-type plug or a USB socket-type plug. Among them, the plug-type charging plug is more flexible in application; the USB charging socket-type plug has strong portability; this solution and its alternatives are applicable to all structures of this patent.

A groove is provided in the stainless steel casing 3, the charging plug 7 is provided in the groove, and a protective sliding cover 14 is provided at the opening of the groove. As a preferred solution, the protection slide cover 14 is an elastic push-pull type protection slide cover 14 or a flexible protection slide cover 14 . Among them, the elastic push-pull protective sliding cover 14 has a higher protection level; the flexible protective cover is not only effective against dust, water, and rust, but also the material selection reduces the cost, and its flexibility extends the service life;

In this embodiment, the rechargeable battery 8 may be a rechargeable lithium battery or a rechargeable dry battery. The rechargeable battery 8 is arranged in the bottom recess of the stainless steel casing 3 , and a non-slip base 10 is sleeved on the stainless steel bottom. The temperature sensor 13 is used to detect the temperature of the inner pot 11 . The main switch 12 is connected to the circuit board 4 for controlling the on-off of the heating element.

The circuit board 4 is used to control the magnitude of the current or voltage connected to the heating element, and when the temperature of the water in the thermos cup rises to a certain level, the current output is turned off. The rechargeable battery 8 provides power input for the circuit board 4, and a leakage protection circuit 9 is arranged between the circuit board 4 and the heating element to ensure the safety of the heating element when it is working.

There are many kinds of circuit boards 4 and leakage protection circuits 9 capable of controlling the output current or voltage, which can be built by using electronic components or by using integrated chips. Those skilled in the art can select according to actual needs, and details are not described here.

In this embodiment, the heating unit 6 is a graphene heating film or heating wire surrounding the outer side wall of the inner container 11 . As a preferred solution, the shown heating unit 6 is a heating wire.

When in use, the main switch 12 turns on the thermos cup circuit, and the circuit board 4 outputs current to make the heating wire generate heat, thereby increasing the temperature of the water in the inner cup 2 . When the water in the thermos cup is heated to a certain temperature, the temperature sensor 13 transmits the temperature back to the circuit board 4, and then the circuit board 4 disconnects the output current to the heating wire. Here, the output of the circuit board 4 can also be disconnected by the user by turning off the main switch 12, thereby stopping the heating wire from working.

If the rechargeable battery 8 is exhausted, the protective sliding cover 14 can be opened, and the rechargeable battery 8 can be charged by using the charging plug 7 .

As a preferred solution, the circuit board 4 includes a microprocessor, a display and an input button. The user can set the heating water temperature threshold of the thermos cup through the input button, and the display is used to display the water temperature in the thermos cup.

Embodiment 2:

As shown in FIG. 2 , this embodiment is basically the same as the first embodiment, except that the portable thermos cup further includes a cup cover 15 , a power cord plug 16 and a power supply hole 17 , and the power supply hole 17 is provided with On the outer side wall of the stainless steel casing 3 and electrically connected to the power input end of the circuit board 4, the cup sleeve 15 is detachably arranged on the anti-skid base 10, and the power cord plug 16 is placed on the cup sleeve 15 and the base 10. Between the anti-skid bases 10.

By placing the power cord plug 16 between the cup sleeve 15 and the anti-skid base 10, and using the power hole 17 to be electrically connected to the power input end of the circuit board 4, when the rechargeable battery 8 is exhausted, the protective sliding cover 14 can be opened , use the charging plug 7 to charge the rechargeable battery 8, or remove the cup cover 15, use the power cord plug 16 to connect the rated voltage source, and directly supply power to the circuit board 4 to make the heating wire work and generate heat.

Embodiment three:

This embodiment provides a portable thermos cup, including a cup cover 1, an inner cup 2, a stainless steel outer shell 3, a vacuum layer 5, and an inner pot 11. The inner pot 11 wraps the inner cup 2, and the stainless steel outer shell 3 and the inner pot are connected to each other. The vacuum layer 5 is formed between the bladders 11, the outer side wall of the bottle mouth of the stainless steel shell 3 is provided with an outer thread, the inner side wall of the cup cover 1 is provided with an inner thread, and the inner side wall of the cup cover 1 and the The outer side wall of the bottle mouth of the stainless steel shell 3 is threadedly connected, and also includes a temperature sensor 13, a rechargeable battery 8, a heating unit 6, a charging plug 7, a circuit board 4, a main switch 12 and a leakage protection circuit 9. The heating unit 6 is located in the On the outer wall of the inner pot 11 and connected with the circuit board 4 through the leakage protection circuit 9, the temperature sensor 13 is arranged on the outer wall of the inner pot 11 and connected with the circuit board 4, and the charging plug 7 is connected with the rechargeable battery through wires 8 is electrically connected, the rechargeable battery 8 is electrically connected to the power input terminal of the circuit board 4 through wires, and the main switch 12 is electrically connected to the circuit board 4 . In this embodiment, the heating unit 6 is an induction coil wound on the outer side wall of the inner pot 11 , and the induction coil is electrically connected to the circuit board 4 through an inverter.

As shown in FIG. 3 , the heating unit 6 is an induction coil wound on the outer side wall of the inner pot 11 , and the induction coil is electrically connected to the circuit board 4 through an inverter.

The main switch 12 is arranged on the outer side wall of the stainless steel casing 3, and the main switch 12 is a rotary switch or a touch switch. Among them, the knob switch is easy to operate and has high safety and reliability; the touch switch occupies a small space and has a high protection level.

The charging plug 7 is a plug-type plug or a USB socket-type plug. Among them, the plug-type charging plug is more flexible in application; the USB charging socket-type plug has strong portability; this solution and its alternatives are applicable to all structures of this patent.

A groove is provided in the stainless steel casing 3, the charging plug 7 is provided in the groove, and a protective sliding cover 14 is provided at the opening of the groove. As a preferred solution, the protection slide cover 14 is an elastic push-pull type protection slide cover 14 or a flexible protection slide cover 14 . Among them, the elastic push-pull protective sliding cover 14 has a higher protection level; the flexible protective cover is not only effective against dust, water, and rust, but also the material selection reduces the cost, and its flexibility extends the service life;

In this embodiment, the rechargeable battery 8 may be a rechargeable lithium battery or a rechargeable dry battery. The rechargeable battery 8 is arranged in the bottom recess of the stainless steel casing 3 , and a non-slip base 10 is sleeved on the stainless steel bottom. The temperature sensor 13 is used to detect the temperature of the inner pot 11 . The main switch 12 is connected to the circuit board 4 for controlling the on-off of the heating element.

The circuit board 4 is used to control the magnitude of the current or voltage connected to the heating element, and when the temperature of the water in the thermos cup rises to a certain level, the current output is turned off. The rechargeable battery 8 provides power input for the circuit board 4, and a leakage protection circuit 9 is arranged between the circuit board 4 and the heating element to ensure the safety of the heating element when it is working.

There are many kinds of circuit boards 4 and leakage protection circuits 9 capable of controlling the output current or voltage, which can be built by using electronic components or by using integrated chips. Those skilled in the art can select according to actual needs, and details are not described here.

In this embodiment, the inverter (marked in the figure) can be arranged in the leakage protection circuit 9 or in the circuit board 4 . When in use, the main switch 12 turns on the thermos cup circuit, the inverter converts direct current into alternating current, and through the eddy current effect, the temperature of the inner pot 11 and the inner cup 2 is increased, thereby heating the water. When the water temperature of the thermos cup rises to a certain level, the circuit board 4 disconnects the current output, and the induction coil stops working. Here, the output of the circuit board 4 can also be disconnected by the user by turning off the main switch 12, and then the induction coil can be stopped from working.

Inverters can be built using electronic components or integrated chips. Those skilled in the art can select according to actual needs, and details are not described here.

If the rechargeable battery 8 is exhausted, the protective sliding cover 14 can be opened, and the rechargeable battery 8 can be charged by using the charging plug 7 .

As a preferred solution, the circuit board 4 includes a microprocessor, a display and an input button. The user can set the heating water temperature threshold of the thermos cup through the input button, and the display is used to display the water temperature in the thermos cup.

Embodiment 4:

This embodiment is basically the same as the third embodiment, the difference is that the portable thermos cup further includes a cup cover 15 , a power cord plug 16 and a power supply hole 17 , and the power supply hole 17 is provided on the outer side of the stainless steel casing 3 On the wall and electrically connected to the power input end of the circuit board 4 , the cup sleeve 15 is detachably disposed on the anti-skid base 10 , and the power cord plug 16 is placed between the cup sleeve 15 and the anti-skid base 10 .

By placing the power cord plug 16 between the cup sleeve 15 and the anti-skid base 10, and using the power hole 17 to be electrically connected to the power input end of the circuit board 4, when the rechargeable battery 8 is exhausted, the protective sliding cover 14 can be opened , use the charging plug 7 to charge the rechargeable battery 8, or remove the cup cover 15, use the power cord plug 16 to connect the rated voltage source, and directly supply power to the circuit board 4 to make the induction coil work and generate heat.

To sum up, the utility model discloses a portable thermos cup, and the beneficial technical effects obtained by the utility model include:

1. The utility model can heat cold water to a specific temperature outdoors or without a heating source such as a kettle. It does not require an external fixed power supply, and can be taken out after charging. The overall structure is simple, easy to carry, and strong in practicability.

2. By placing the power cord plug between the cup cover and the anti-skid base, use the power hole to electrically connect the power input terminal of the circuit board. When the rechargeable battery is exhausted, you can open the protective slide cover and use the charging plug to Charge the rechargeable battery, or remove the cup cover, connect the rated voltage source with the power cord plug, and directly supply power to the circuit board to make the heating element work and generate heat.

While the invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the invention. That said, the methods, systems and apparatus discussed above are examples. Various configurations may omit, substitute or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in an order different from that described, and/or various components may be added, omitted, and/or combined. Furthermore, features described with respect to certain configurations may be combined in various other configurations, eg, different aspects and elements of the configurations may be combined in a similar manner. Furthermore, elements therein may be updated as technology develops, ie, many of the elements are examples and do not limit the scope of the disclosure or the claims.

Specific details are given in the description to provide a thorough understanding of example configurations, including implementations. However, configurations may be practiced without these specific details, eg, well-known circuits, procedures, algorithms, structures and techniques have been shown without unnecessary detail in order to avoid obscuring the configurations. This description provides example configurations only, and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing descriptions of configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

In conclusion, it is intended that the foregoing detailed description be regarded as illustrative and not restrictive, and that it should be understood that the following claims, including all equivalents, are intended to define the spirit and scope of the present invention. The above embodiments should be understood only to illustrate the present invention and not to limit the protection scope of the present invention. After reading the contents of the description of the present utility model, the skilled person can make various changes or modifications to the present utility model, and these equivalent changes and modifications also fall within the scope defined by the claims of the present utility model.

Claims (9)

1. A portable thermos cup, comprising a lid, an inner cup, a stainless steel shell, a vacuum layer, and an inner liner, the inner liner wraps the inner cup, and the vacuum layer is formed between the stainless steel shell and the inner liner, so The outer side wall of the bottle mouth of the stainless steel shell is provided with an outer thread, the inner side wall of the cup cover is provided with an inner thread, and the inner side wall of the cup cover is threadedly connected with the outer side wall of the bottle mouth of the stainless steel shell, and it is characterized in that: It includes a temperature sensor, a rechargeable battery, a heating unit, a charging plug, a circuit board, a main switch and a leakage protection circuit. The heating unit is arranged on the outer wall of the inner tank and is connected to the circuit board through the leakage protection circuit. The temperature sensor Set on the outer wall of the inner tank and connected to the circuit board, the charging plug is electrically connected to the rechargeable battery through the wire, the rechargeable battery is electrically connected to the power input end of the circuit board through the wire, and the main switch is connected to The circuit board is electrically connected. 2 . A portable thermos cup according to claim 1 , wherein the heating unit is a graphene heating film or a heating wire that surrounds the outer side wall of the inner container. 3 . 3 . The portable thermos cup according to claim 1 , wherein the heating unit is an induction coil wound on the outer side wall of the inner tank, and the induction coil is electrically connected to the circuit board through an inverter. 4 . sexual connection. 4. A portable thermos cup according to any one of claims 1 to 3, wherein the main switch is provided on the outer side wall of the stainless steel casing, and the main switch is a knob switch or a touch switch . 5. A portable thermos cup according to claim 4, wherein a groove is provided in the stainless steel shell, the charging plug is provided in the groove, and an opening of the groove is provided with a groove. There is a protective slide cover. 6 . The portable thermos cup according to claim 5 , wherein the rechargeable battery is arranged in a depression at the bottom of the stainless steel casing, and the stainless steel bottom is sleeved with a non-slip base. 7 . 7 . The portable thermos cup according to claim 6 , wherein the protective sliding cover is an elastic push-pull protective sliding cover or a flexible protective sliding cover. 8 . 8 . The portable thermos cup according to claim 7 , further comprising a cup cover, a power cord plug and a power supply hole, the power supply hole being provided on the outer side wall of the stainless steel casing and connected to the power supply of the circuit board. 9 . The input end is electrically connected, the cup sleeve is detachably arranged on the anti-skid base, and the power cord plug is placed between the cup sleeve and the anti-skid base. 9 . The portable thermos cup according to claim 5 , wherein the charging plug is a plug-type plug or a USB socket-type plug. 10 .

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