CN209789582U

CN209789582U - Automatic tea making device

Info

Publication number: CN209789582U
Application number: CN201920299924.4U
Authority: CN
Inventors: 韩金升; 韩沐霖
Original assignee: Jiangsu Zhongming Teaware Technology Co Ltd
Current assignee: Jiangsu Zhongming Teaware Technology Co Ltd
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2019-12-17
Anticipated expiration: 2029-03-08

Abstract

The utility model provides an automatic tea making device, which comprises a tea making container, a liquid-through electromagnetic valve arranged at the bottom of the tea making container and used for controlling the tea making water, a water heating assembly used for heating the water, a water inlet pipe used for injecting the water, a water injection control device arranged on the water inlet pipe and used for controlling the on-off of the water flow, and an electric control device; the tea making container is provided with an opening for injecting water and placing tea, and the water boiling assembly comprises a heating cavity and a first electric heating element for heating the heating cavity; the liquid-passing electromagnetic valve comprises a valve casing, a sealing butt joint piece, a sealing plug and an electromagnetic coil, and the electric control device is used for controlling the water injection control device, the first electric heating element and the on-off of a power supply of the liquid-passing electromagnetic valve. The utility model discloses compare in current device of the same kind, can practice thrift the time of making tea, the structure is small and exquisite relatively, the cost is lower relatively and can realize adding water, heating up water, making tea, go out the full-automatic of tea when using.

Description

Automatic tea making device

Technical Field

The utility model relates to a tea set technical field, concretely relates to automatic device of making tea.

Background

Tea culture has a long history, tea making appliances are various, requirements for making tea are increasingly improved along with the continuous improvement of living standard of people, the water quantity, the water temperature and the like of making tea are very studied aiming at different tea varieties, correspondingly, the tea making tea set is also increasingly developed towards automation direction, various automatic or semi-automatic tea making devices are researched, for example, Chinese patent documents with the authorization publication numbers of CN205568527U, CN204683194U, CN206342271U and the like relate to automatic tea sets, however, the automatic tea set disclosed by the documents can not automatically control tea making factors such as the water temperature of making tea, the water quantity of making tea, the tea making time and the like according to different tea varieties; meanwhile, full automation of water adding, water boiling, tea making and tea discharging is not realized, and the automatic tea set is not in a true sense. The Chinese patent document with application publication number CN108784361A discloses an automatic tea making device which can better realize the full-automatic tea making function, but has the following defects: firstly, hot water required for making tea needs to wait for a certain water boiling time, and secondly, the overall device is large in size, so that the occupied position for placing the tea is large when the tea is used, and the use requirements of partial users cannot be effectively met; thirdly, the structure is relatively complex and the cost is relatively high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: to the problem among the prior art, provide one kind and practice thrift the time of making tea, the structure is small and exquisite relatively, the cost is lower relatively and can realize adding water, heating up water, making tea, play full-automatic device of making tea when using.

The technical scheme of the utility model is that: the utility model discloses an automatic tea making device, its structural feature is: the tea making device comprises a tea making container, a liquid passing solenoid valve, a water heating assembly, a water inlet pipe, a water injection control device and an electric control device, wherein the liquid passing solenoid valve is arranged at the bottom of the tea making container and used for controlling tea water to be discharged; the tea making container is provided with an opening for injecting water and placing tea, and the water boiling assembly comprises a heating cavity and a first electric heating element for heating the heating cavity; the heating cavity is a hollow component provided with a water inlet and a water outlet, the water inlet of the heating cavity is connected with the water inlet pipe, and the water outlet of the heating cavity is communicated with the opening of the tea making container;

the liquid-passing electromagnetic valve comprises a valve casing, a sealing butt joint piece, a sealing plug and an electromagnetic coil; the valve shell is a hollow component with a liquid inlet and a liquid outlet at the upper end and the lower end; the sealing butt joint part is a component which is matched with the lower part of the inner side of the valve shell in size and shape and is provided with a liquid passing channel which is communicated up and down, the sealing butt joint part is arranged on the lower part of the inner side of the valve shell and is integrated with the valve shell or fixedly connected with the valve shell in a sealing way, the upper end of the liquid passing channel of the sealing butt joint part is communicated with the hollow part of the valve shell, and the lower end of the liquid passing channel of the sealing butt joint part is communicated with a liquid; the sealing plug is arranged in the valve shell and movably arranged on the sealing butt joint piece; the electromagnetic coil is arranged on the periphery of the valve shell and the part matched with the sealing plug; when the electromagnetic coil is not electrified, the sealing plug blocks the liquid passing channel of the sealing butt joint piece so that the liquid passing electromagnetic valve cannot pass liquid; when the electromagnetic coil is electrified, the sealing plug is driven to move upwards to open the liquid passing channel of the sealing butt joint piece, so that the liquid passing electromagnetic valve can pass liquid;

the electric control device is a device capable of controlling the on-off of the power supplies of the water injection control device, the first electric heating element and the electromagnetic coil of the liquid passing electromagnetic valve.

The further scheme is as follows: the sealing plug is a spherical piece, and when the electromagnetic coil is not electrified, the periphery of the lower part of the sealing plug is in sealing connection with the inner peripheral wall part of the sealing butt joint piece, which is positioned at the upper end of the liquid passing channel of the sealing butt joint piece, so that the liquid passing electromagnetic valve is not electrified.

The further scheme is as follows: the sealing plug comprises a sealing part and a sealing butt joint part which are integrally or fixedly connected in a sealing way, the shape and the size of the sealing part are matched with the upper end surface of the sealing butt joint part, and the shape and the size of the sealing butt joint part are matched with the liquid passing channel of the sealing butt joint part; when the electromagnetic coil is not electrified, the sealing plug is in sealed insertion connection with the liquid passing channel of the sealing butt joint piece through the sealing butt joint part, so that the liquid passing electromagnetic valve cannot pass liquid.

The further scheme is as follows: the part of the sealing plug, which is matched with the electromagnetic coil, is made of ferromagnetic materials.

The further scheme is as follows: the water injection control device is an electric water pump, an electric valve or an electromagnetic valve, and the flow rate of the electric water pump, the electric valve or the electromagnetic valve is matched with that of the water boiling assembly.

The further scheme is as follows: the electric control device comprises a temperature detection device for detecting the heated water temperature, a first water quantity detection device for detecting the tea water quantity in the tea making container, and a controller for correspondingly controlling the on-off of the power supply of the first electric heating element and the electromagnetic coil of the liquid passing electromagnetic valve according to a detection signal and set parameters; the temperature detection device, the first water quantity detection device, the first electric heating element and the electromagnetic coil of the liquid-passing electromagnetic valve are all electrically connected with the controller.

the further scheme is as follows: the first water quantity detection device is a weighing sensor, or the first water quantity detection device is a liquid level sensor; the temperature detection device is a temperature sensor.

The further scheme is as follows: the electric control device also comprises a liquid level sensor for monitoring the water level in the heating cavity, and the liquid level sensor is electrically connected with the controller through signals.

the further scheme is as follows: the controller comprises a signal conversion module, a CPU module, a human-computer interaction module, a relay group and a power module, wherein the CPU module is in signal electric connection with the signal conversion module, the relay group is in signal electric connection with the CPU module, and the human-computer interaction module is in electric connection with the CPU module; the temperature detection device, the first water quantity detection device and the liquid level sensor are respectively and electrically connected with a signal conversion module of the controller; the electromagnetic coil, the first electric heating element and the water injection control device of the liquid passing electromagnetic valve are respectively and electrically connected with corresponding relays in a relay group of the controller, and the power supply module is used for providing a working power supply.

The further scheme is as follows: the tea making device also comprises a tea filtering piece arranged in the tea making container, a tea containing container used for containing tea water, and a second electric heating element used for heating the tea containing container; the electric control device also comprises a second water quantity detection device for detecting the tea water quantity in the tea container, the second water quantity detection device is electrically connected with the signal conversion module of the controller, the second electric heating element is electrically connected with a corresponding relay in a relay group of the controller, and the on-off of the power supply of the second electric heating element is controlled by the controller.

The further scheme is as follows: the second water quantity detection device is a weighing sensor; the second electric heating element is a resistance heating device.

The further scheme is as follows: the automatic tea making device further comprises a support, wherein the support comprises a base, a vertical frame, a first transverse frame, a second transverse frame and a third transverse frame; the vertical frame is integrally or fixedly arranged on one side of the base; the first transverse frame is integrally or fixedly arranged at the upper end of the vertical frame; the second transverse frame is arranged on the first transverse frame and is positioned above the base; the third transverse frame is arranged on the base and is positioned below the second transverse frame;

The tea making container is arranged on the second transverse frame, and the heating cavity of the instant heating type water boiler is arranged on the first transverse frame and is positioned on one side of the tea making container; the tea container is movably arranged on the third transverse frame; the second water quantity detection device is arranged between the third transverse frame and the base; the second electric heating element is arranged on the third transverse frame and is positioned at the place where the tea container is placed.

The utility model discloses has positive effect: (1) the utility model discloses an automatic device of making tea, it sets up the improvement of discharge control device isotructure through boiling water subassembly and cooperation, makes it compare in prior art device of the same kind, can practice thrift the required hot water latency of making tea to the saving is made tea the whole time, satisfies market user's needs. (2) The utility model discloses an automatic device of making tea, it makes it compare in prior art device of the same kind through overall structure's design, and overall structure is small and exquisite relatively, therefore puts shared position less relatively during the use, satisfies the part to the limited user demand of tea set locating place. (3) The utility model discloses an automatic device of making tea, it makes it when using through overall structure's design, can carry out automatic control to the tea-making key element such as the temperature of making tea, the water yield of making tea, the time of making tea according to the tealeaves variety of difference, therefore can steep out the tea of taste best to the tealeaves variety of difference to can realize adding water, boil water, make tea, go out tea whole automatic, degree of automation is high, uses very convenient and safe. (4) The utility model discloses an automatic device of making tea, it makes it compare in prior art device of the same kind through overall structure's design, and the structure is simple relatively, and the cost is lower relatively. (5) The utility model discloses an automatic device of making tea, its subassembly that burns water designs into the component that burns water of an instant heating type, and it is fast to heat water, can practice thrift the required hot water latency of making tea.

drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a structure of the solenoid valve of FIG. 1;

FIG. 3 is another schematic structural view of the solenoid valve of FIG. 1;

FIG. 4 is a schematic structural diagram of the sealing plug in FIG. 3;

Fig. 5 is a schematic block diagram of the circuit structure of the present invention.

The reference numbers in the above figures are as follows:

The device comprises a support 1, a base 11, a vertical frame 12, a first transverse frame 13, a second transverse frame 14 and a third transverse frame 15; a tea making container 2 with an opening 21; a tea filter element 3;

A liquid-passing electromagnetic valve 4, a valve casing 41, a liquid inlet 41-1 and a liquid outlet 41-2; the sealing butt joint part 42, the liquid passing channel 42-1, the sealing plug 43, the sealing part 43-1, the liquid passing gap 43-1-1 and the sealing butt joint part 43-2; an electromagnetic coil 44;

The water boiling component 5, the heating cavity 51, the water inlet pipe 52, the water outlet pipe 53 and the first electric heating element 54;

a water injection control device 6; a tea container 7; a second electric heating element 8;

the automatic weighing device comprises an electric control device 9, a temperature detection device 91, a liquid level detection device 92, a first weighing sensor 93, a second weighing sensor 94 and a controller 95.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

(example 1)

Referring to fig. 1, the automatic tea making device of the present embodiment mainly comprises a support 1, a tea making container 2, a tea filtering member 3, a liquid passing solenoid valve 4, a water boiling assembly 5, a water injection control device 6, a tea container 7, a second electric heating element 8 and an electric control device 9.

The support 1 is used for mounting and supporting related components of the device, and in the embodiment, the support 1 mainly comprises a base 11, a vertical frame 12, a first transverse frame 13, a second transverse frame 14 and a third transverse frame 15; the vertical frame 12 is integrally or fixedly arranged on one side of the base 11; the first transverse frame 13 is integrally or fixedly arranged at the upper end of the vertical frame 12; the second cross frame 14 is disposed on the first cross frame 13 and above the base 11. Third cross member 15 in a preferred embodiment, the third cross member 15 is provided on the base 11 and below the second cross member 14.

The tea making container 2 is a hollow component, an opening 21 for injecting water and placing tea is arranged on the tea making container 2, and in the embodiment, the opening 21 is preferably arranged above the tea making container 2; tea making container 2 includes integrative or sealed fixed bottom plate and wall body that links to each other at least, and tea making container 2 is equipped with the liquid outlet that is used for going out tea, and in this embodiment, tea making container 2's liquid outlet is established on the bottom plate. The tea making container 2 is fixedly arranged on the second cross frame 14 of the bracket 1.

Tea leaf filters the component that 3 are constituteed by bottom plate and wallboard, and tea leaf filters and is equipped with the filtration pore on 3's bottom plate and the wallboard, and tea leaf filters 3's shape and size and the container 2 suits of making tea, and tea leaf filters 3 and locates in the container 2 of making tea.

referring to fig. 2 to 4, the liquid solenoid valve 4 mainly comprises a valve housing 41, a sealing interface 42, a sealing plug 43 and a solenoid 44.

The valve housing 41 is a hollow member having a liquid inlet 41-1 and a liquid outlet 41-2, the liquid inlet 41-1 and the liquid outlet 41-2 of the valve housing 41 are both communicated with the hollow portion of the valve housing 41, the liquid outlet 41-2 of the valve housing 41 is disposed at the lower end, the liquid inlet 41-1 of the valve housing 41 can be disposed at the upper end of the valve housing 41 or at the upper side of the valve housing 41, and in this embodiment, the liquid inlet 41-1 of the valve housing 41 is preferably disposed at the upper end thereof. The valve case 41 is made of a non-ferromagnetic material, and may be made of a material such as ceramic, copper, or stainless steel.

The sealing butt-joint member 42 is a member having a size and a shape corresponding to the lower part of the inner side of the valve housing, the middle part of the sealing butt-joint member 42 is provided with a liquid passing channel 42-1 which is vertically through, the sealing butt-joint member 42 is arranged at the lower part of the inner side of the valve housing 41 and is integrally or fixedly connected with the valve housing 41 in a sealing manner, the upper end of the liquid passing channel 42-1 of the sealing butt-joint member 42 is communicated with the hollow part of the valve housing, and the lower end of the liquid passing channel 42-1 of the sealing butt-joint member 42 is communicated with the liquid outlet.

The sealing plug 43 is arranged in the valve casing 41 and movably arranged on the sealing butt-joint piece 42; the sealing plug 43 is used for opening and blocking the liquid passing channel 42-1 of the sealing butt piece 42, so as to correspondingly enable the liquid passing solenoid valve of the embodiment to be communicated with liquid and not to be communicated with liquid. The sealing plug 43 can adopt two structures: as shown in fig. 2, the sealing plug 43 is a spherical member, and the sealing plug 43 of the spherical member is in sealing connection with the inner peripheral wall of the sealing abutment 42 at the upper end of the liquid passage 42-1 from the lower periphery of the sphere, so that the liquid passing solenoid valve 4 cannot pass liquid. Another structure of the sealing plug 43 is shown in fig. 3 and 4, the sealing plug 43 is formed by integrally or fixedly connecting a sealing part 43-1 and a sealing butt-joint part 43-2, the shape and size of the sealing part 43-1 are matched with the upper end surface of the sealing butt-joint piece 42, and the shape and size of the sealing butt-joint part 43-2 are matched with the liquid passing channel 42-1 of the sealing butt-joint piece 42; when the electromagnetic coil 44 is not electrified, the sealing plug 43 is in sealed insertion connection with the middle upper part of the liquid passing channel 42-1 of the sealing butt joint piece 42 through the sealing butt joint part 43-2, so that the liquid passing electromagnetic valve 4 cannot pass liquid, and when the electromagnetic coil 44 is electrified, the sealing plug 43 moves upwards, so that a liquid passing gap is formed between the sealing plug 43 and the sealing butt joint piece 42, and liquid can pass through. Preferably, the sealing portion 43-1 is provided with 1 or more vertically penetrating fluid passing gaps 43-1-1 on the outer periphery of the upper end surface of the sealing abutting portion 43-2, so as to reduce the movement resistance of the sealing plug 43 and assist fluid passing during use.

The sealing plug 43 is made of ferromagnetic material at least at the portion matching with the electromagnetic coil 44, and the sealing plug 43 is preferably made of ferromagnetic material completely to match with the electromagnetic coil 44 better to open and close the liquid passing channel 42-1 of the sealing butt-joint member 42. The electromagnetic coil 44 is arranged on the periphery of the valve shell 41, and the position of the electromagnetic coil 44 is matched with the position of the sealing plug 43 in the valve shell 41; when the electromagnetic coil is not electrified, the sealing plug 43 is positioned at a position for blocking the liquid passage 42-1 of the sealing butt joint piece 42, so that the liquid passing electromagnetic valve of the embodiment is not electrified; the electromagnetic force generated when the electromagnetic coil is electrified drives the sealing plug 43 to move upwards to open the liquid passing channel 42-1 of the sealing butt joint piece 42, so that the liquid passing electromagnetic valve 4 can pass liquid. The principle of the electromagnetic coil 44 driving the sealing plug 43 of ferromagnetic material to move is prior art and will not be described in detail.

preferably, a sealing ring (not shown) is further disposed in the liquid passing solenoid valve 4, and the sealing ring may be fixedly disposed around the upper end of the liquid passing channel 42-1 of the sealing abutting member 42, or the sealing ring may be fixedly disposed on the inner wall of the liquid passing channel 42-1 of the sealing abutting member 42, or the sealing ring may be fixedly disposed on the sealing plug 43 and located at a position where the sealing plug 43 contacts the liquid passing channel 42-1 of the sealing abutting member 42.

Still referring to fig. 1, the water boiling assembly 5 includes a heating chamber 51, an inlet pipe 52, an outlet pipe 53, and a first electric heating element 54.

The heating cavity 51 is a hollow component provided with a water inlet and a water outlet, the heating cavity 51 is integrally tubular, the water inlet of the heating cavity 51 is arranged below the heating cavity in the axial direction, and the water outlet is arranged above the heating cavity in the axial direction. The heating cavity 51 is fixedly arranged on the support 1, and preferably, the heating cavity 51 is fixedly arranged on the first cross frame 13 of the support 1 and is located at one side of the tea making container 2. One end of the water inlet pipe 52 is fixedly connected with the water inlet of the heating cavity 51 in a sealing way, and the other end of the water inlet pipe 52 is externally connected with a water source when in use; the water outlet of the heating cavity 51 is communicated with the opening 21 of the tea making container 2, in the embodiment, the communication between the water outlet of the heating cavity 51 and the opening 21 of the tea making container 2 is preferably implemented by a water outlet pipe 53, one end of the water outlet pipe 53 is fixedly connected with the water outlet of the heating cavity 51 in a sealing manner, the other end of the water outlet pipe 53 is matched with the opening 21 of the tea making container 2, and boiled water or hot water is injected into the tea making container 2 during use. The first electric heating element 54 is used for heating the heating cavity 51, the first electric heating element 54 is disposed outside the heating cavity 51, the first electric heating element 54 may be a resistance heating device, the first electric heating element 54 may also be an electromagnetic heating coil, when the first electric heating element 54 is an electromagnetic heating coil, a material of a portion of the heating cavity 51 at least covered by the first electric heating element 54 is a ferromagnetic material, or when the material of the heating cavity 51 is a non-ferromagnetic material, a ferromagnetic material layer (not shown) is disposed between the first electric heating element 54 and the heating cavity 51, so that the electromagnetic heating coil can heat the heating cavity 51. The electromagnetic heating coil is a prior art, and the structure and the working principle thereof are not described in detail.

the water injection control device 6 is disposed on the water inlet pipe 52 and is used for automatically controlling the water injection into the heating cavity 51, and the water injection control device 6 may be an electric water pump, an electric valve or an electromagnetic valve with a flow rate adapted to the volume of the heating cavity 51.

As a preferable mode, the tea container 7 and the second electric heating element 8 are arranged in a matching way with the third cross frame 15 of the bracket 1, the tea container 7 is a commercially available product with a liquid inlet, such as a tea cup, a tea bowl or a teapot, and the like, when in use, the tea container 7 is arranged on the third cross frame 15, and the liquid inlet of the tea container 7 is positioned below the liquid outlet 41-2 of the liquid-through electromagnetic valve 4; the second electric heating element 8 is arranged on the third cross frame 15, and the second electric heating element 8 is a resistance type heating element. In use, the second electric heating element 8 is used for heating the tea container 7 containing tea water when needed.

The electric control device 9 includes a temperature detection device 91, a liquid level detection device 92, a first water amount detection device, a second water amount detection device, and a controller 95.

The temperature detecting means 91 is used for detecting the temperature of the water heated by the water boiling unit 5, and in the present embodiment, a temperature sensor is preferably used as the temperature detecting means 91. The temperature detection device 91 may be disposed on the heating cavity 51, the water outlet pipe 53 or the tea making container 2. The liquid level detection device 92 is used for detecting the water level in the heating chamber 51 to prevent the water level in the heating chamber 51 from being too low to cause dry burning of the heating chamber 51. The liquid level detecting device 92 preferably employs a liquid level sensor in this embodiment. The first water amount detecting device is used for detecting the amount of tea water in the tea making container 2, in this embodiment, the first water amount detecting device adopts a first weighing sensor 93 arranged between the first cross frame 13 and the second cross frame 14 of the bracket 1, the first water amount detecting device can also adopt a liquid level sensor (not shown) arranged on the tea making container 2, and the first water amount detecting device can also adopt a flow sensor (not shown) arranged on the water outlet pipe 53 of the water boiling component 5. Preferably, the second water amount detecting device is configured to be matched with the tea container 7 for detecting the amount of tea water in the tea container 7, and in this embodiment, the second water amount detecting device preferably adopts a second weighing sensor 94 arranged between the third cross frame 15 and the base 11 of the bracket 1.

The controller 95 may be provided on the stand 1 or may be provided independently. Referring to fig. 5, the controller 95 is mainly composed of a signal conversion module, a CPU module, a human-computer interaction module, a relay group, and a power supply module, wherein the CPU module is electrically connected with the signal conversion module by signals, the relay group is electrically connected with the CPU module by signals, and the human-computer interaction module is electrically connected with the CPU module. The signal conversion module is used for converting signals such as the water temperature detected by the temperature detection device 91, the water amount in the heating cavity 51 detected by the liquid level detection device 92, the tea water amount in the tea making container 2 detected by the first water amount detection device, the tea water amount in the tea containing container 7 detected by the second water amount detection device into signals which can be received by the CPU module and sending the signals to the CPU module, and the signal conversion module is a conventional circuit module in the prior art and the structure of the signal conversion module is not described in detail. The human-computer interaction module is preferably a touch screen and is used for setting parameter settings including tea making water quantity, tea making water temperature and tea making time according to different tea varieties and displaying the working state in real time during use; the relay group comprises a plurality of relays and is used for executing power supply on-off control on the liquid passing electromagnetic valve 4, the first electric heating element 54, the second electric heating element 8 and the water injection control device 6 according to the instruction of the CPU module; the CPU module is used for realizing the main control of the device; the CPU module comprises a CPU chip and a memory, and the program built in the CPU chip is a simple program in the prior art. The power module is used for providing a working power supply, and when the power module is used, the input end of the power module is externally connected with a mains supply. Preferably, the controller 95 further comprises an audible and visual reminding module for reminding that the tea water is drunk; the sound and light reminding module is electrically connected with the CPU module, and in the embodiment, the sound and light reminding module consists of a buzzer and an LED lamp. The functional modules of the controller 95 are well-known in the art, and the circuit structure thereof is not described in detail.

The temperature detection device 91, the liquid level detection device 92, the first water amount detection device, and the second water amount detection device are electrically connected to a signal conversion module of the controller 95, respectively; the liquid solenoid valve 4, the first electric heating element 54, the second electric heating element 8, and the water injection control device 6 are electrically connected to corresponding relays in a relay group of the controller 95, respectively.

The use method and the working principle of the automatic tea making device of the embodiment are briefly described as follows:

When the automatic tea making device is used, a user firstly powers on the device, tea leaves needed for making tea are placed in the tea filtering pieces 3 in the tea making container 2, parameters such as tea making water quantity, tea making water temperature and tea making time are correspondingly input through the human-computer interaction module of the controller 95 according to the variety of the placed tea leaves, and the parameters are sent to the CPU module for storage; the second weighing sensor 94 detects whether the tea container 7 is placed on the third cross frame 15 in real time, if the tea container 7 is placed, the CPU module receives a signal from the second weighing sensor 94, then the water injection control device 6 is started through the relay set to enable the water inlet pipe 52 to be conducted to fill the heating cavity 51 with water, whether the heating cavity 51 is filled with water can be determined according to the flow and the connection time of the water injection control device 6, the water quantity in the heating cavity 51 can be detected in real time by the liquid level detection device 92 and a signal is fed back to the CPU module, after the water quantity in the heating cavity 51 is filled, the CPU module controls the water injection control device 6 to be closed through the relay set, meanwhile, the first electric heating element 54 is controlled to be electrified to heat the water in the heating cavity 51, the temperature detection device 91 detects the water temperature in the heating cavity 51 in real time, when the water in the heating cavity 51 is heated to a set temperature, the CPU module controls the water injection control device 6 to be started, hot water in the heating cavity 51 is injected into the tea making container 2 through the water outlet pipe 53 under water pressure, the first electric heating element 54 continuously keeps heating water in the heating cavity 51, the first water amount detection device such as the first weighing sensor 93 monitors the amount of hot water added into the tea making container 2 in real time and feeds back a signal to the CPU module, after the amount of tea making water is added to a set amount, the CPU module controls the water injection control device 6 to close through the relay group, the water injection into the tea making container 2 is stopped, the CPU module starts to time tea making time, when the set tea making time is reached, the acousto-optic reminding module of the controller 95 sends out acousto-optic prompt to remind that the tea is well brewed and drinkable, meanwhile, the CPU module controls the liquid-through electromagnetic valve 4 to be electrically opened to inject the tea into the tea making container 7 until the tea in the tea making container 2 is basically emptied through the relay group, the second weighing sensor 94 monitors the amount of tea added into the tea making container 7 in real time and feeds back a signal to the CPU module in real time After the tea water in the tea container 7 is added to a set amount, the CPU module closes the liquid-flowing electromagnetic valve 4 through the relay group to stop the tea water flowing out, and a user drinks tea through the tea container 7. If the user needs to continue drinking water when the tea water in the tea container 7 is not drunk up, the tea container 7 with the tea water left is placed on the third cross frame 15, the second weighing sensor 94 sends a weight signal to the CPU module, the CPU module correspondingly determines the quantity of the tea water to be supplemented according to the quantity of the tea water left in the tea container 7, and then water, tea and tea water are added into the tea container 7 according to the actions, so that the tea-continuing action is completed. In the using process, if the tea water in the tea container 7 is cooled and needs to be heated and tea water does not need to be added, the tea container 7 can be placed on the third cross frame 15, and the controller 95 is operated to control the second electric heating element 8 to be electrified to heat the tea container 7 through the man-machine interaction module of the controller 95. In the using process, the heating cavity 51 and the first electric heating element 54 of the water boiling component 5 form an instant heating type water boiling component, the water boiling speed is high, and the waiting time of hot water needed by tea making is saved.

the above embodiments are illustrative of the specific embodiments of the present invention, but not limiting to the present invention, and those skilled in the relevant art can also make various changes and modifications to obtain the equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should fall under the protection scope of the present invention.

Claims

1. an automatic tea making device is characterized in that: the tea making device comprises a tea making container, a liquid passing electromagnetic valve, a water heating assembly, a water inlet pipe, a water injection control device and an electric control device, wherein the liquid passing electromagnetic valve is arranged at the bottom of the tea making container and used for controlling tea water to be discharged; the tea making container is provided with an opening for injecting water and placing tea, and the water boiling assembly comprises a heating cavity and a first electric heating element for heating the heating cavity; the heating cavity is a hollow component provided with a water inlet and a water outlet, the water inlet of the heating cavity is connected with the water inlet pipe, and the water outlet of the heating cavity is communicated with the opening of the tea making container;

The liquid-passing electromagnetic valve comprises a valve shell, a sealing butt joint piece, a sealing plug and an electromagnetic coil; the valve shell is a hollow component with a liquid inlet and a liquid outlet at the upper end and the lower end; the sealing butt joint part is a component which is matched with the lower part of the inner side of the valve shell in size and shape and is provided with a liquid passing channel which is communicated up and down, the sealing butt joint part is arranged on the lower part of the inner side of the valve shell and is integrated with the valve shell or fixedly connected with the valve shell in a sealing way, the upper end of the liquid passing channel of the sealing butt joint part is communicated with the hollow part of the valve shell, and the lower end of the liquid passing channel of the sealing butt joint part is communicated with a liquid; the sealing plug is arranged in the valve shell and movably arranged on the sealing butt joint piece; the electromagnetic coil is arranged on the part, matched with the sealing plug, of the periphery of the valve shell; when the electromagnetic coil is not electrified, the sealing plug blocks the liquid passing channel of the sealing butt joint piece so that the liquid passing electromagnetic valve cannot pass liquid; when the electromagnetic coil is electrified, the sealing plug is driven to move upwards to open the liquid passing channel of the sealing butt joint piece, so that the liquid passing electromagnetic valve can pass liquid;

the electric control device is a device capable of controlling the on-off of the water injection control device, the first electric heating element and the power supply of the electromagnetic coil of the liquid-passing electromagnetic valve.

2. The automatic tea brewing device of claim 1, wherein: the sealing plug is a spherical piece, and when the electromagnetic coil is not electrified, the periphery of the lower part of the sealing plug is in sealing connection with the inner peripheral wall part of the sealing butt joint piece, which is positioned at the upper end of the liquid passing channel of the sealing butt joint piece, so that the liquid passing electromagnetic valve is not communicated with liquid.

3. The automatic tea brewing device of claim 1, wherein: the sealing plug comprises a sealing part and a sealing butt joint part which are integrally or fixedly connected in a sealing mode, the shape and the size of the sealing part are matched with the upper end face of the sealing butt joint part, and the shape and the size of the sealing butt joint part are matched with the liquid passing channel of the sealing butt joint part; when the electromagnetic coil is not electrified, the sealing plug is in sealed insertion connection with the liquid passing channel of the sealing butt joint piece through the sealing butt joint part of the sealing plug, so that the liquid passing electromagnetic valve cannot pass liquid.

4. An automatic tea brewing device according to any one of claims 1 to 3, characterized in that: and at least the part of the sealing plug, which is matched with the electromagnetic coil, is made of ferromagnetic materials.

5. The automatic tea brewing device of claim 1, wherein: the water injection control device is an electric water pump, an electric valve or an electromagnetic valve, and the flow rate of the electric water pump, the electric valve or the electromagnetic valve is matched with that of the water boiling assembly.

6. The automatic tea brewing device of claim 1, wherein: the electric control device comprises a temperature detection device for detecting the heated water temperature, a first water quantity detection device for detecting the tea water quantity in the tea making container, and a controller for correspondingly controlling the on-off of the power supply of the first electric heating element and the electromagnetic coil of the liquid passing electromagnetic valve according to a detection signal and set parameters; the temperature detection device, the first water quantity detection device, the first electric heating element and the electromagnetic coil of the liquid-passing electromagnetic valve are all electrically connected with the controller.

7. the automatic tea brewing device of claim 6, wherein: the first water quantity detection device is a weighing sensor, or the first water quantity detection device is a liquid level sensor; the temperature detection device is a temperature sensor.

8. The automatic tea brewing device of claim 6, wherein: the electric control device further comprises a liquid level sensor for monitoring the water level in the heating cavity, and the liquid level sensor is electrically connected with the controller through signals.

9. the automatic tea brewing device of claim 8, wherein: the controller comprises a signal conversion module, a CPU module, a human-computer interaction module, a relay group and a power supply module, wherein the CPU module is in signal electric connection with the signal conversion module, the relay group is in signal electric connection with the CPU module, and the human-computer interaction module is in electric connection with the CPU module; the temperature detection device, the first water quantity detection device and the liquid level sensor are respectively and electrically connected with a signal conversion module of the controller; and the electromagnetic coil, the first electric heating element and the water injection control device of the liquid passing electromagnetic valve are respectively and electrically connected with corresponding relays in a relay group of the controller, and the power supply module is used for providing a working power supply.

10. The automatic tea brewing device of claim 9, wherein: the tea making device also comprises a tea filtering piece arranged in the tea making container, a tea container used for containing tea water, and a second electric heating element used for heating the tea container; the electric control device further comprises a second water quantity detection device for detecting the tea water quantity in the tea container, the second water quantity detection device is electrically connected with the signal conversion module of the controller, the second electric heating element is electrically connected with a corresponding relay in a relay group of the controller, and the on-off state of a power supply of the second electric heating element is controlled by the controller.

11. The automatic tea brewing device of claim 10, wherein: the second water quantity detection device is a weighing sensor; the second electric heating element is a resistance heating device.

12. The automatic tea brewing device of claim 11, wherein: the automatic tea making device also comprises a support, wherein the support comprises a base, a vertical frame, a first transverse frame, a second transverse frame and a third transverse frame; the vertical frame is integrally or fixedly arranged on one side of the base; the first transverse frame is integrally or fixedly arranged at the upper end of the vertical frame; the second transverse frame is arranged on the first transverse frame and is positioned above the base; the third transverse frame is arranged on the base and is positioned below the second transverse frame;