CN219166169U

CN219166169U - Automatic water feeding electric kettle with safety protection function

Info

Publication number: CN219166169U
Application number: CN202222554669.8U
Authority: CN
Inventors: 李卫忠; 钟业武
Original assignee: Top Electric Appliances Industrial Ltd
Current assignee: Top Electric Appliances Industrial Ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-06-13
Anticipated expiration: 2032-09-24

Abstract

The utility model provides an automatic water feeding electric kettle with safety protection, which comprises a power supply base and a kettle body, wherein a main control PCB (printed circuit board) is arranged in the power supply base, a lower connector is arranged on the power supply base, an upper water inlet channel communicated with the inner cavity of the kettle body is arranged in the center of the upper connector, a lower water inlet channel is arranged in the center of the lower connector, one end of the lower water inlet channel is movably and hermetically communicated with the upper water inlet channel, a peristaltic pump capable of working forward and backward is communicated with the other end of the lower water inlet channel, at least one infrared induction switch for controlling the peristaltic pump to work backward is arranged on the power supply base, and the infrared induction switch is electrically connected with the main control PCB and the peristaltic pump. The electric kettle with the safety protection function and the automatic water feeding function solves the problems of residual water in a water inlet channel and misoperation of consumers, avoids electric shock hidden danger, is safe and reliable, and is convenient to use.

Description

Automatic water feeding electric kettle with safety protection function

Technical Field

The utility model relates to the electric kettle technology, in particular to an automatic water feeding electric kettle with safety protection.

Background

At present, the existing electric kettle structure or tea tray provided with the electric kettle has the defects that the kettle body must be taken out to fill water when water needs to be boiled, and the operation is relatively backward and inconvenient; in addition, there are products on the market that water automatically goes up to the electric kettle from the power supply base at present, but the power supply base and the electric kettle bottom all have electrical components, and its poor seal or remain water in the water inlet channel, drop easily to electrical components when picking up the kettle body, cause electric shock potential safety hazard, in addition in pumping water in-process, when the consumer mistakenly picks up the kettle body, can not control the water pump stop work, and water can continue to spout and arouse the potential safety hazard.

Disclosure of Invention

Based on the defects of the prior art, the utility model aims to provide the electric kettle with safety protection and automatic water feeding, solve the problems of residual water in a water inlet channel and misoperation of consumers, avoid electric shock hidden danger, and are safe, reliable and convenient to use.

In order to achieve the above purpose, the utility model provides an automatic water feeding electric kettle with safety protection, which comprises a power supply base and a kettle body, wherein a heating device and a temperature sensor are arranged in the kettle body, a main control PCB (printed circuit board) is arranged in the power supply base, a lower connector is arranged on the power supply base, an upper connector which is in plug-in fit with the lower connector is arranged on the kettle body, an upper water inlet channel which is communicated with the inner cavity of the kettle body is arranged in the center of the upper connector, an elastic sealing valve is arranged in the upper water inlet channel, a lower water inlet channel is arranged in the center of the lower connector, one end of the lower water inlet channel is movably and hermetically communicated with the upper water inlet channel, a peristaltic pump which can work forward and backward is communicated with the other end of the lower water inlet channel is arranged in the power supply base, the main control PCB is electrically connected with the peristaltic pump and can control the peristaltic pump to work forward and backward, and at least one infrared induction switch which is used for controlling the peristaltic pump to work backward is arranged on the power supply base, and the main control PCB is electrically connected with the peristaltic pump.

As an improvement of the electric kettle with the automatic water feeding function and the safety protection function, the front end on the surface of the power supply base with the automatic water feeding function and the safety protection function is provided with two mounting grooves, the two mounting grooves are symmetrically arranged left and right, the two infrared induction switches are correspondingly arranged in the two mounting grooves, each infrared induction switch comprises an infrared induction lamp, an induction PCB and a transparent cover plate, the infrared induction lamp and the induction PCB are positioned in the mounting grooves, and the transparent cover plate is sealed on the mounting grooves.

As an improvement of the electric kettle with the automatic water feeding function and the safety protection function, the infrared induction lamp with the automatic water feeding function and the safety protection function is vertically upwards arranged.

As an improvement of the electric kettle with the safety protection and the automatic water feeding function, the kettle body with the safety protection and the automatic water feeding function comprises a kettle body, a kettle cover, a bottom cover and a handle, and the power supply base is also provided with function keys, a display screen and an indicator lamp.

As an improvement of the electric kettle with the safety protection and the automatic water feeding function, the electric kettle with the safety protection and the automatic water feeding function is internally provided with a water level sensor, wherein the water level sensor is positioned at the middle upper part of the kettle body and is electrically connected with the main control PCB board.

As an improvement of the electric kettle with the safety protection and the automatic water feeding function, a weighing module is arranged in the power supply base with the safety protection and the automatic water feeding function and is electrically connected with the main control PCB.

As an improvement of the electric kettle with the automatic water feeding function of safety protection, the elastic sealing valve with the automatic water feeding function of safety protection comprises an upper valve and a lower valve which are arranged on the upper water inlet channel, wherein the upper valve comprises an upper valve pressing block, an upper valve spring, an upper valve limiting rib and a sealing ring, the lower valve comprises a lower valve ball, a lower valve spring and a lower valve limiting rib, a first conducting port is arranged in the middle of the upper valve limiting rib, and a second conducting port is arranged in the middle of the lower valve limiting rib.

Compared with the prior art, the automatic water feeding electric kettle with the safety protection has the following beneficial effects: solves the problems of residual water in the water inlet channel and misoperation of consumers, avoids electric shock hidden danger, and is safe, reliable and convenient to use.

Drawings

Fig. 1 is a schematic view showing a structure of an electric kettle with safety protection and automatic water feeding according to a preferred embodiment of the utility model when a power base and a kettle body are separated.

Fig. 2 is an enlarged view of a portion of the electric kettle with safety protection for automatic water feeding at circle a in fig. 1 according to a preferred embodiment of the present utility model.

Fig. 3 is an enlarged view of a portion of the electric kettle with safety protection for automatic water feeding at circle B in fig. 1 according to a preferred embodiment of the present utility model.

Fig. 4 is a top view of a power base of a preferred embodiment of an automatic feeding electric kettle with safety protection according to the present utility model.

Fig. 5 is a schematic view of the structure of the electric kettle with safety protection for automatically feeding water when the source base and the kettle body of the other embodiment (one) are separated.

Fig. 6 is a schematic view of the structure of the electric kettle with safety protection for automatically feeding water when the source base and the kettle body of the other embodiment (II) of the electric kettle are separated.

Fig. 7 is a partially enlarged schematic illustration of an automatic water feeding electric kettle with safety protection according to another embodiment of the present utility model (second), which is shown in fig. 6 at circle C.

Detailed Description

Preferred embodiments, other embodiments (one) and other embodiments (two) of the automatic water feeding electric kettle with safety protection according to the present utility model will be described in detail with reference to fig. 1, 2, 3, 4, 5, 6 and 7.

Referring to fig. 1, 2, 3 and 4, in this embodiment, the electric kettle with automatic water feeding for safety protection of the present utility model includes a power base 9 and a kettle body 100, a heating device 4 and a temperature sensor 8 are disposed in the kettle body 100, a main control PCB board 14 is disposed in the power base 9, a lower connector 10 is mounted on the power base 9, an upper connector 5 in plug-in fit with the lower connector 10 is mounted on the kettle body 100, an upper water inlet channel 51 communicating with an inner cavity of the kettle body 100 is disposed in the center of the upper connector 5, an elastic sealing valve 50 is mounted in the upper water inlet channel 51, a lower water inlet channel 101 is disposed in the center of the lower connector 10, one end of the lower water inlet channel 101 is movably and hermetically communicated with the upper water inlet channel 51, a peristaltic pump 11 capable of working forward and backward is disposed in the power base 9, the peristaltic pump 11 is communicated with a water inlet pipe 15, the main control PCB board 14 is electrically connected with the peristaltic pump 11 and capable of controlling forward and backward operations of the peristaltic pump 11, and at least one main control PCB board 13 for controlling the peristaltic pump 11 to work in reverse direction is disposed on the power base 9. According to the electric kettle with the safety protection function and the automatic water feeding function, after the water pumping function key is started, the main control PCB 14 controls the peristaltic pump 11 to work forward (anticlockwise) to pump water, water is pumped into the lower water inlet channel 101, the upper water inlet channel 51 and the elastic sealing valve 50 from an external water source (such as barreled water) connected with the water inlet pipe 15, enters the kettle body 100, after a preset time is reached, the main control PCB 14 controls the peristaltic pump 11 to stop working forward, and controls the peristaltic pump 11 to start working reversely (clockwise) for a certain time (3-5 seconds), and as the peristaltic pump 11 is closed and disconnected with the upper water inlet channel 51 by the elastic sealing valve 50 after water pumping ends, the peristaltic pump 11 starts working reversely, residual water in the upper water inlet channel 51 and the lower water inlet channel 101 is pumped back to the external water source, and after a consumer picks up the kettle body 100, the residual water is not carried out from the lower water inlet channel 101 and the upper water inlet channel 51 and is not dripped into electric appliances in the upper connector 5 and the lower connector 10, and the electric kettle has a reliable safety protection function. In addition, when the peristaltic pump 11 works forward (anticlockwise) and pumps water into the kettle body 100, when a consumer does not notice that the kettle body 100 is to be lifted, when the infrared sensing switch 13 senses the gesture of the consumer, the infrared sensing switch 13 feeds back a signal to the main control PCB 14 and controls the peristaltic pump 11 to start working backward (clockwise) for a certain time (3-5 seconds) to stop working, so that the water is consumed and lifted, and the kettle body 100 is not sprayed out from the lower water inlet channel 101, thereby having a reliable safety protection effect and safety reliability.

Further, referring to fig. 1, 3 and 4, in this embodiment, the front end 95 on the surface of the power base 9 of the electric kettle with safety protection and automatic water feeding is provided with two mounting grooves 134, the two mounting grooves 134 are respectively and symmetrically arranged left and right, the number of the infrared induction switches 13 is two and correspondingly arranged in the two mounting grooves 134, the infrared induction switches 13 comprise infrared induction lamps 132, an induction PCB 133 and a transparent cover plate 131, the infrared induction lamps 132 and the induction PCB 133 are positioned in the mounting grooves 134, the transparent cover plate 131 is sealed on the mounting grooves 134, the infrared induction lamps 132 are vertically upwards arranged, infrared induction light is emitted to the cone angle range of the vertical direction 140 when the consumer does not notice that the kettle body 100 is to be lifted, the consumer's arms are induced by the infrared induction lamps 132 through the induction range of the infrared induction lamps 132, the infrared induction lamps 132 transmit signals to the induction plates 133, and then the induction plates 133 transmit the signals to the master control plate 14 for feedback, so that the consumer can control the peristaltic pump 11 to start to be arranged at the left and right sides of the two opposite sides of the base 9, and the right sides of the base can be induced by the consumer, and the left and right sides of the base 9 can be both the left and right of the base. In other embodiments, 3 or 4 infrared induction switches 13 are arranged on the power supply base 9 and uniformly arranged on the periphery of the power supply base 9, so that gestures of different angles of consumers can be sensed better, and the power supply is safer and more reliable.

Further, referring to fig. 1 and 4, in the present embodiment, the kettle body 100 of the electric kettle with safety protection and automatic water feeding comprises a kettle body 2, a kettle cover 1, a bottom cover 7 and a handle 3, and the power base 9 is further provided with function keys 93, a display 92 and an indicator light 94. The function keys 93 include a start key, a pump function key, a heating function key, etc., and the display 92 can display the temperature and time when heating water, and the indicator lights can illuminate different colors for prompting various working states of the electric kettle.

Further, referring to fig. 1 and 2, in this embodiment, the elastic sealing valve 50 of the electric kettle with automatic water feeding with safety protection of the present utility model includes an upper valve 55 and a lower valve 54 installed in the upper water inlet channel 51, the upper valve 55 includes an upper valve pressing block 551, an upper valve spring 552, an upper valve limiting rib 553 and a sealing ring 554, the lower valve 54 includes a lower valve ball 541, a lower valve spring 542 and a lower valve limiting rib 543, a first conducting port 555 is provided in the middle of the upper valve limiting rib 553, a second conducting port 544 is provided in the middle of the lower valve limiting rib 543, when the peristaltic pump 11 is working forward, water is pumped into the lower water inlet channel 101 from an external water source (such as barreled water) connected to the water inlet pipe 15, when the water pressure is greater than the elasticity of the lower valve spring 542, the lower valve ball 541 is pushed away, the water is pumped from the second conducting port 544 in the middle of the lower valve limiting rib 543, when the pumped in is greater than the elasticity of the upper valve spring 552, the upper valve ball 551 is jacked up, the water is pumped from the first conducting port 555 in the middle of the upper valve limiting rib, the water inlet 555 is pumped from the upper valve limiting rib 5, and the water inlet channel 100 is not pumped into the inner cavity 100, and the peristaltic pump 5 is able to flow back to the water inlet channel 100, and the water inlet channel 100 is pumped into the water inlet channel 100, and the water inlet channel 100 is able to flow from the water inlet channel 100. When the peristaltic pump 11 is in reverse operation or not, because the water pressure in the elastic sealing valve 50 is smaller than the elastic force of the upper valve spring 552, the upper valve pressing block 551 presses the sealing ring 554 under the elastic force, the first conducting opening 555 in the middle of the upper valve limiting rib 553 is in a sealing state, and also because the water pressure is smaller than the elastic force of the lower valve spring 542, the lower valve ball 541 forms a sealing state with the second conducting opening 544 in the middle of the lower valve limiting rib 543 under the elastic force, and the sealing states of the upper valve 55 and the lower valve 54 enable the water in the inner cavity of the kettle body 100 not to flow back from the water outlet of the upper connector 5

Referring to fig. 5, in another embodiment (one), a water level sensor 6 is disposed in a kettle body 100 of the electric kettle with safety protection and automatic water feeding, the water level sensor 6 is located at the middle upper part of the kettle body 100, and the water level sensor 6 is electrically connected with a main control PCB 14. When the peristaltic pump 11 works forward to pump water into the kettle body 100, after the water in the kettle body 100 reaches the height sensed by the water level sensor 6, the water level sensor 6 feeds back a signal to the main control PCB 14, and the main control PCB 14 controls the peristaltic pump 11 to stop working forward and start working backward for a certain working time (for example, 3-5 seconds) and then stop working.

Referring to fig. 6 and 7, in the other embodiment (two), a weighing module 12 is disposed in a power base 9 of the electric kettle with safety protection and capable of automatically feeding water, the weighing module 12 is electrically connected with a main control PCB board 14, the weighing module comprises a bracket 121, a fixing rib 122, a fixing piece 123, a pressure sensor 124 and a screw 125, when the peristaltic pump 11 works forward to pump water into the kettle body 100, the water in the kettle body 100 acts on the bracket 121, the bracket 121 sinks downwards after being weighted, the weight acts on the pressure sensor 124, a weight signal is fed back to the main control PCB board 14 in real time by the pressure sensor 124, and when the water pumping reaches the preset weight, the main control PCB board 14 controls the peristaltic pump 11 to stop working forward and start working backward for a certain working time (for 3-5 seconds) and stop working again.

Compared with the prior art, the utility model has the following beneficial effects: solves the problems of residual water in the water inlet channel and misoperation of consumers, avoids electric shock hidden danger, and is safe, reliable and convenient to use.

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an automatic electric kettle that goes up water with safety protection, includes power base and kettle body, be equipped with heating device and temperature sensor in the kettle body, be equipped with main control PCB board in the power base, power base installs down the connector, install on the kettle body with connector grafting complex goes up the connector down, go up the connector central authorities and be equipped with the last water inlet channel that communicates with kettle body cavity, upward install the elastic sealing valve in the water inlet channel, lower connector central authorities are equipped with down water inlet channel, its characterized in that, down water inlet channel's one end with go up water inlet channel movable seal intercommunication, down water inlet channel's the other end intercommunication has the peristaltic pump that can forward, reverse work, the peristaltic pump is located in the power base, peristaltic pump intercommunication has the inlet tube, main control PCB board with peristaltic pump electric connection and controllable forward, reverse work of peristaltic pump is equipped with at least one on the power base and is used for controlling peristaltic pump reverse work's infrared induction switch, infrared induction switch electric connection the main control board with the peristaltic pump.

2. The automatic water feeding electric kettle with safety protection according to claim 1, wherein: the front end on the power supply base surface is equipped with two mounting grooves, and two the mounting groove bilateral symmetry sets up, infrared inductive switch is two and corresponds to install in two in the mounting groove, infrared inductive switch includes infrared induction lamp, response PCB board, transparent cover plate, infrared induction lamp and response PCB board are located in the mounting groove, transparent cover plate seals lid and closes on the mounting groove.

3. The automatic water feeding electric kettle with safety protection according to claim 2, wherein: the infrared induction lamp is vertically arranged upwards.

4. An automatic water feeding electric kettle with safety protection according to claim 3, characterized in that: the kettle body comprises a kettle body, a kettle cover, a bottom cover and a handle, and the power supply base is also provided with functional keys, a display screen and an indicator lamp.

5. The automatic water feeding electric kettle with safety protection according to claim 1, wherein: the kettle body is internally provided with a water level sensor, the water level sensor is positioned at the middle upper part of the kettle body, and the water level sensor is electrically connected with the main control PCB.

6. The automatic water feeding electric kettle with safety protection according to claim 1, wherein: and a weighing module is arranged in the power supply base and is electrically connected with the main control PCB.

7. The automatic water feeding electric kettle with safety protection according to claim 1, wherein: the elastic sealing valve comprises an upper valve and a lower valve which are arranged on the upper water inlet channel, the upper valve comprises an upper valve pressing block, an upper valve spring, an upper valve limiting rib and a sealing ring, the lower valve comprises a lower valve spring ball, a lower valve spring and a lower valve limiting rib, a first conducting port is arranged in the middle of the upper valve limiting rib, and a second conducting port is arranged in the middle of the lower valve limiting rib.