CN215226865U

CN215226865U - Heating assembly of electric heating cup

Info

Publication number: CN215226865U
Application number: CN202120416530.XU
Authority: CN
Inventors: 章明; 池莲丽; 王立堂
Original assignee: Shenzhen Pinluo Innovation Industrial Co ltd; Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Shenzhen Pinluo Innovation Industrial Co ltd; Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-21
Anticipated expiration: 2031-02-25

Abstract

The utility model provides an electric heating cup heating component, which comprises a cup body, a cup cover and a heating component, wherein the cup body is connected with the cup cover through screw threads; the heating assembly comprises a base, a support and a PCB, the PCB is electrically connected with an electric heating element, a temperature controller, an NTC thermistor and a fuse, the electric heating element and the temperature controller are attached to the bottom of the liner assembly, and the NTC thermistor penetrates through the liner assembly and is in contact with water to be heated in the liner assembly. Heating element passes through the buckle and is connected to the shell and inside through screwed connection to inner bag subassembly bottom, guarantees promptly that the stability of heating member also makes outside whole pleasing to the eye, and sets up treating in the NTC thermistor contact inner bag subassembly and adds hot water, thereby can more accurately obtain the temperature of water and in time feed back to the temperature controller and make the power disconnection when the water heating is to the settlement temperature.

Description

Heating assembly of electric heating cup

Technical Field

The utility model relates to an electric heat cup technical field especially relates to an electric heat cup heating element.

Background

In order to drink hot water, a large water boiling device is installed in public places for people to drink hot water, a water dispenser is installed in families, along with the development of traffic, the distance between a working site of a plurality of workers and a family is long, the workers are inevitably hired by one person, and the small-size water boiling device becomes the first choice, namely, the water boiling device is similar to an electric kettle.

The temperature measurement of the temperature measurement rod is mostly used in the existing electric kettle, the temperature measurement rod is generally fixed at the bottom of the kettle and is easily influenced by scales, the temperature detected by the temperature measurement rod is higher than the water temperature in the kettle, the electric kettle is powered off before the water boils, the water cannot be heated to a boiling state, the size of the general electric kettle is too large, the general electric kettle cannot be directly used for drinking water, and the electric kettle is not used by individuals.

The electric heating water cup is also available in the market, and the internal heating structure can be increased for increasing the volume of the whole electric heating water cup due to the heating effect, or the internal heating structure has poor heating effect or is not in place for safety protection when being used as a small electric heating water cup.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an electric heat cup heating element aims at solving the current not good or the not technical problem of safety protection of electric heat cup heating structure heating effect.

In order to achieve the purpose, the utility model provides an electric heating cup heating assembly, wherein the electric heating cup comprises a cup body, a cup cover and a heating assembly, the cup body is connected with the cup cover through threads, the cup body comprises a shell and a liner assembly, the heating assembly is connected with the shell through a buckle, and the heating assembly is fixed at the bottom of the liner assembly through a screw;

the heating assembly comprises a base, a support and a PCB, the PCB is electrically connected with an electric heating element, a temperature controller, an NTC thermistor and a fuse, the electric heating element and the temperature controller are attached to the bottom of the liner assembly, and the NTC thermistor penetrates through the liner assembly to be contacted with water to be heated in the liner assembly.

Preferably, the electric heating element, the temperature controller, the NTC thermistor and the fuse are arranged on a support, and the support is connected to the bottom of the liner assembly through screws.

Preferably, the week side fixed connection that the support downwardly extending is on the base to make and leave the clearance that sets up the PCB board between base and support, base week side is provided with the checkpost, and the cup shell inboard corresponds and is equipped with the catching groove, the base is connected to the cup shell inboard through bayonet structure.

Preferably, a silica gel bottom pad is arranged on the lower side of the base.

Preferably, the NTC thermistor penetrates through the bottom of the liner assembly and is sleeved with NTC silica gel, and one end, far away from the bottom of the liner assembly, of the NTC thermistor is provided with an NTC pressing sheet and is fixedly connected to the bottom of the liner assembly through screws.

Preferably, the heating assembly further comprises a power interface and a power switch which are arranged on the base, the power interface and the power switch are electrically connected to the PCB, an opening is formed in the cup body shell corresponding to the power interface, and a power switch key is arranged corresponding to the power switch.

Preferably, the switch key is a touch key.

Preferably, the inner container assembly is made of stainless steel.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model provides an electric heat cup heating element, its electric heat cup includes the cup, bowl cover and heating element, the cup passes through threaded connection with the bowl cover, its cup includes shell and inner bag subassembly, heating element includes the base, support and PCB board, PCB board electricity is connected with electric heating element, the temperature controller, NTC thermistor and fuse, heating element is connected to shell and inside through screwed connection to inner bag subassembly bottom through the buckle, the stability of guaranteeing promptly that the heating element also makes outside whole pleasing to the eye, and set up treat hot water in the NTC thermistor contact inner bag subassembly, thereby can more accurately obtain the temperature of water and in time feed back to the temperature controller and make the power disconnection when the water heating is to the settlement temperature.

Drawings

FIG. 1 is a schematic view of an electric cup according to the present invention;

FIG. 2 is a schematic structural view of the electric cup heating assembly of the present invention;

FIG. 3 is a schematic view of the bottom of the heating assembly and the inner container assembly;

FIG. 4 is a schematic view of another view angle of the bottom of the heating assembly and the inner container assembly of the present invention;

fig. 5 is a schematic view of another view angle structure of the electric cup of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In one embodiment, referring to fig. 1-4, the electric cup includes a cup body 2, a cup cover 3 and a heating assembly 1, the cup body 2 is connected with the cup cover 3 through threads, the cup body 2 includes a housing 210 and a liner assembly 220, the heating assembly 1 is connected with the housing 210 through a buckle, and the heating assembly 1 is fixed at the bottom 221 of the liner assembly through a screw 121; the heating assembly 1 comprises a base 110, a support 120 and a PCB 130, wherein the PCB 130 is electrically connected with an electric heating element 150, a temperature controller 160, an NTC thermistor 140 and a fuse 170, the electric heating element 150 and the temperature controller 160 are arranged in a manner of being attached to the bottom 211 of the inner container assembly, and the NTC thermistor 140 penetrates through the inner container assembly 220 to be contacted with water to be heated in the inner container assembly 220.

The electric heating element 150, the thermostat 160, the NTC thermistor 140, and the fuse 170 are disposed on the holder 120, and the holder 120 is connected to the inner container assembly bottom 221 by screws 121. The support 120 is fixedly connected to the base 110 at a downwardly extending peripheral side thereof, so that a gap for disposing the PCB 130 is left between the base 110 and the support 120, a clip 113 is disposed at the peripheral side of the base 110, a fastening groove (not shown in the drawings) is correspondingly disposed at the inner side of the cup body shell 210, and the base 110 is connected to the inner side of the cup body shell 210 through a bayonet structure. A silicone base pad 114 is disposed on the underside of the base 110.

Three clips 113 arranged around the circumference of the base 110 are arranged on the circumference of the base and fastened to the positions of the fastening grooves on the inner side of the cup body shell 210, so that the overall appearance is complete and attractive, the arched door-shaped support 120 is fixedly connected to the base 110 through the support legs on the circumference, so that a large space is reserved in the arched door-shaped support 120 for arranging the PCB 130, and the support 120 not only plays a role of supporting the internal electric heating element 150, the temperature controller 160, the NTC thermistor 140 and the fuse lamp 170, but also is used for preventing heat from being radiated to the PCB 130 to influence the service life of the PCB 130; the bottom 221 of the liner component is in a smooth state, the top of the electric heating element 150 is also in a smooth state, the heating element 150 can be attached and contacted with the liner component 220 to be heated in the liner component 220 to be maximized, the support 120 is connected to the bottom 221 of the liner component through the screw 121, and the stability of the electric heating element 150 and the like is improved, wherein the NTC thermistor 140 penetrates through the liner component 220 to be heated and contacted with the water in the liner component 220, and when the water is heated to a set temperature, the temperature of the water can be more accurately obtained and timely fed back to the temperature controller 160, so that the power supply is disconnected.

That is, the PCB 130 controls the electric heating element 150 to heat the water in the inner container assembly 220, when the water in the inner container assembly 220 is heated to a preset temperature, the NTC thermistor 140 detects the temperature and transmits a signal to the temperature controller 160, and the temperature controller 160 automatically trips to stop heating; when the temperature controller 160 is not working properly or damaged, the fuse 1700 will be blown by the continuous power-on of the electric heating element 150 to protect the internal components from being damaged or to prevent safety accidents, and the silica gel bottom pad 114 is arranged on the lower side of the base 110 to effectively prevent the static discharge of the electric cup from slipping.

The NTC thermistor 140 penetrates through the bottom 221 of the liner assembly and is sleeved with NTC silica gel 142, and an NTC pressing sheet 141 is arranged at one end of the NTC thermistor 140 away from the bottom 221 of the liner assembly and is fixedly connected to the bottom 221 of the liner assembly through screws. The NTC silica gel 142 can effectively prevent water in the inner container assembly 220 from leaking into the heating assembly 1 to cause safety accidents, and the NTC pressing sheet 141 enhances the connection stability of the NTC thermistor 140.

Referring to fig. 1, 2 and 5, the heating assembly 1 further includes a power interface 111 and a power switch 112 disposed on the base 110, the power interface 111 and the power switch 112 are electrically connected to the PCB 130, an opening 211 is disposed on the cup shell 120 corresponding to the power interface 111, and a power switch key 212 is disposed corresponding to the power switch 112. The power interface 111 supplies power to the electric heating cup through an external power supply for heating, and the power switch key 212 has the function of immediately starting heating or emergently cutting off the power supply.

In one embodiment, referring to fig. 5, the switch key 212 is a touch key.

Referring to fig. 1, the inner container assembly 220 is made of a 304 stainless steel vacuum steel container stainless steel material, so that the water quality is not affected while the maximum heat transfer is ensured.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The electric heating cup comprises a cup body, a cup cover and a heating assembly, wherein the cup body is connected with the cup cover through threads;

2. The electric cup heating assembly of claim 1, wherein the electric heating element, the thermostat, the NTC thermistor and the fuse are disposed on a holder, and the holder is coupled to the bottom of the inner container assembly by screws.

3. The electric cup heater assembly according to claim 2, wherein the support is fixedly connected to the base at a downwardly extending peripheral side thereof, so that a gap for disposing the PCB is formed between the base and the support, the peripheral side of the base is provided with a clip, the inner side of the cup shell is correspondingly provided with a fastening groove, and the base is connected to the inner side of the cup shell through a bayonet structure.

4. The electric cup heater assembly of claim 3, wherein a silicone bottom pad is disposed on an underside of said base.

5. The electric cup heating assembly of claim 1, wherein the NTC thermistor is sleeved with NTC silica gel through the bottom of the inner container assembly, and an NTC pressing sheet is arranged at one end of the NTC thermistor far away from the bottom of the inner container assembly and is fixedly connected to the bottom of the inner container assembly through a screw.

6. The electric cup heater assembly as claimed in claim 1, further comprising a power switch and a power interface disposed on the base, wherein the power switch and the power interface are electrically connected to the PCB, the cup body housing has an opening corresponding to the power switch, and the power switch is disposed corresponding to the power switch.

7. The electric cup heater assembly of claim 6, wherein said switch button is a touch button.

8. The electric cup heater assembly of claim 1, wherein said inner container assembly is stainless steel.