CN111820741B

CN111820741B - Drinking machine

Info

Publication number: CN111820741B
Application number: CN202010640433.9A
Authority: CN
Inventors: 唐斌; 蔡健; 黄仁胜; 雷鸣
Original assignee: Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2022-12-02
Anticipated expiration: 2040-07-06
Also published as: CN111820741A

Abstract

The invention discloses a water dispenser, which comprises a base, a cold tank, a water pumping device, a sensing signal generating device and a mechanical trigger piece, wherein the base is provided with a controller, the cold tank is provided with a water inlet, the water inlet is used for being communicated with a water source arranged below the cold tank, the water pumping device comprises a water pumping pump, the water pumping pump is used for driving water flow to flow into the water inlet from the water source, the sensing signal generating device is arranged on the base and is electrically connected with the controller so as to generate a sensing signal when being triggered, the controller controls the water pumping pump to stop working according to the sensing signal, and the mechanical trigger piece is arranged on the cold tank so as to trigger the sensing signal generating device. The water dispenser disclosed by the invention generates a high water level induction signal through the cooperation of the induction signal generating device and the mechanical trigger piece so as to control the water suction pump to stop working according to the induction signal, and the cooling tank can be easily separated from the base for cleaning because no electronic component connected with the controller is required to be arranged on the cooling tank.

Description

Drinking machine

Technical Field

The invention relates to the technical field of drinking water equipment, in particular to a water dispenser.

Background

The water dispenser is a common household appliance, and can have the function of preparing ice water in order to improve the drinking experience of a user. Specifically, the water dispenser may be provided with a refrigeration component such as an evaporator to refrigerate the cold tank of the water dispenser, so that the drinking water in the cold tank is cooled to prepare ice water. However, after long-term use, the cold tank may store dirt and soil, which affects the health of users. Therefore, in the existing water dispenser, the cold tank can be arranged as a detachable part and separated from the base, so that the cold tank can be conveniently replaced or cleaned after being detached.

However, for a water dispenser with a bottom-mounted water dispenser (a water source is located below the cold tank), a water level sensor needs to be arranged in the cold tank to generate a sensing signal when the water level reaches a preset value, so that the water pump is controlled to stop pumping water into the cold tank continuously. The general water level sensor is an electronic device, is arranged in the cold tank, causes a connecting line between the cold tank and the base, is difficult to disassemble, and is easy to cause the water level sensor to be affected with damp and damaged in the process of cleaning the cold tank.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

Disclosure of Invention

The invention mainly aims to provide a water dispenser and aims to provide a water dispenser with a cold tank easy to disassemble and clean.

In order to achieve the above object, the present invention provides a water dispenser, comprising:

the engine base is provided with a controller;

the cooling tank is provided with a water storage cavity, the cooling tank is detachably arranged on the base, a water inlet communicated with the water storage cavity is formed in the cooling tank, and the water inlet is used for being communicated with a water source arranged below the cooling tank;

the water pumping device comprises a water pump, the water pump is used for driving water flow to flow into the water inlet from the water source, and the water pump is electrically connected with the controller;

the induction signal generating device is arranged on the base and is electrically connected with the controller so as to generate an induction signal when being triggered, and the controller controls the water suction pump to stop working according to the induction signal; and the number of the first and second groups,

and the mechanical trigger piece is arranged on the cold tank and used for triggering the induction signal generating device when the water level in the water storage cavity rises to a preset value.

In an embodiment, a refrigerating seat is arranged in the base, a seat cavity with an upward opening is formed in the refrigerating seat, the lower end of the cold tank is inserted into the seat cavity, the upper side of the cold tank is open, a water pumping plate capable of being opened and closed is arranged on the upper side of the cold tank, and an air inlet is formed in the water pumping plate.

In an embodiment, the mechanical trigger is a metal water level probe disposed on the pumping plate, a lower end of the metal water level probe extends into the water storage cavity, the sensing signal generating device includes a metal elastic sheet disposed on the base, the metal elastic sheet contacts with an upper end of the metal water level probe, and a lower end of the cooling tank and the cooling seat are at least partially made of conductive materials, so that when a water level in the water storage cavity rises to the lower end of the metal probe, the metal elastic sheet and the cooling seat are conducted to form a detection loop to trigger the metal elastic sheet to generate the sensing signal.

In an embodiment, the induced signal generating device includes a reed switch disposed on the base, the mechanical trigger includes a magnetic float disposed in the water storage cavity, and the magnetic float is disposed in the water storage cavity in a vertically floating manner, so as to be close to the reed switch when floating, and provide a magnetic force to conduct the reed switch, and trigger the reed switch to generate the induced signal.

In an embodiment, a guide sleeve is arranged on the lower side of the water pumping plate, the guide sleeve is correspondingly arranged below the reed pipe and extends along the vertical direction, a water through hole is formed in the guide sleeve, and the magnetic floater is arranged in the guide sleeve.

In an embodiment, the mechanical trigger includes a mechanical floating ball disposed in the water storage cavity, the sensing signal generating device includes a micro switch disposed on the base, and the mechanical floating ball is in transmission fit with the micro switch through a transmission structure, so that when the mechanical floating ball floats, the micro switch is triggered to generate the sensing signal.

In an embodiment, the transmission structure includes a feeler lever, the feeler lever is movably mounted on the base or the water pumping plate and is disposed corresponding to the micro switch, and the mechanical float ball is matched with the feeler lever, so that when the mechanical float ball floats, the feeler lever is driven to move, so as to trigger the micro switch to generate the sensing signal.

In one embodiment, the mechanical float ball is provided with a first magnetic attraction part, so that when the mechanical float ball floats, the contact rod is pushed to move by magnetic force to trigger the microswitch.

In an embodiment, the middle of the feeler lever is rotatably installed on the base or the water pumping plate, one end of the feeler lever is correspondingly arranged with the microswitch, the upper side of the mechanical floating ball is provided with the first magnetic attraction part, the other end of the feeler lever is provided with the second magnetic attraction part corresponding to the first magnetic attraction part, and when the mechanical floating ball floats, the feeler lever is pushed to rotate by the magnetic force between the first magnetic attraction part and the second magnetic attraction part, so that one end of the feeler lever is in contact with the microswitch.

In an embodiment, the mechanical trigger further includes a rotating arm, one end of the rotating arm is rotatably connected to the lower side of the pumping plate, and the other end of the rotating arm is connected to the mechanical floating ball, so that the mechanical floating ball is rotatably mounted on the lower side of the pumping plate up and down.

In an embodiment, the suction pump includes pump head and motor, the pump head is located the board of drawing water, and communicates the water inlet setting, the motor is located the frame, the motor with the detachable cooperation setting of pump head.

In one embodiment, the water dispenser further comprises a hot tank and a heating part, the hot tank is arranged on the base and communicated with the cold tank, the heating part is used for heating the hot tank, and the controller controls the heating part to start working according to the induction signal.

The invention provides a water dispenser which comprises a base, a cold tank, a water pumping device, an induction signal generating device and a mechanical trigger piece, wherein a controller is arranged on the base, the cold tank is provided with a water storage cavity, the cold tank is detachably arranged on the base, a water inlet is formed in the cold tank and is used for communicating a water source arranged below the cold tank, the water pumping device comprises a water pump, the water pump is used for driving water flow to flow into the water inlet from the water source, the water pump is electrically connected with the controller, the induction signal generating device is arranged on the base and is used for being electrically connected with the controller so as to generate an induction signal when being triggered, the controller controls the water pump to stop working according to the induction signal, and the mechanical trigger piece is arranged on the cold tank and is used for triggering the induction signal generating device when the water level in the water storage cavity rises to a preset value. In the technical scheme disclosed by the invention, the induction signal generating device and the mechanical trigger piece are matched with each other to generate a high water level induction signal, the controller receives the induction signal to control the water pump to stop working when the water level in the cooling tank reaches a preset value, and the cooling tank is only provided with the mechanical trigger piece without arranging electronic components connected with the controller, so that the cooling tank is not connected with the base through a circuit and can be easily separated from the base, and the cooling tank is not required to be provided with electronic components such as a water level sensor and the like, so that the electronic components are not required to be affected with damp in the cleaning process, and the cleaning is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a water dispenser provided by the present invention;

FIG. 2 is a front view of the water dispenser of FIG. 1;

FIG. 3 is a schematic view of the assembly of the cold can of FIG. 1 before it is mounted on the stand of the water dispenser;

FIG. 4 is an assembled view of the cold can of FIG. 3 after it has been installed in a base of a water dispenser;

FIG. 5 is a schematic perspective view of the cold pot of FIG. 3;

FIG. 6 is a top view of the cold tank of FIG. 5;

FIG. 7 is a cross-sectional view of a first embodiment of the water dispenser of FIG. 1;

FIG. 8 is a cross-sectional view of a second embodiment of the water dispenser of FIG. 1;

fig. 9 is a sectional view of a second embodiment of the water dispenser of fig. 1.

The reference numbers indicate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, 8230; \8230;) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the figure), the motion situation, etc., and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.

Referring to fig. 1 to 4, the water dispenser of the present invention includes a base 200 and a cold tank 100, wherein the cold tank 100 is detachably mounted on the base 200, a water storage cavity 101 is provided in the cold tank 100, and a water inlet communicated with the water storage cavity 101 is provided on the cold tank 100. The water dispenser provided by the invention is a bottom-mounted water dispenser, namely a water source is arranged below the cold tank 100. In this embodiment, referring to fig. 7 to 9, the water source is the barreled water 300 disposed at the lower end of the base 200, and it can be understood that the water source may also be a drinking water waterway. In this embodiment, the water dispenser further includes a water pumping device, the water pumping device includes a water pump 10, and the water pump 10 is configured to drive water flow from the water source to the water inlet. Specifically, referring to fig. 5 and 6, the water pumping device may further include a water pumping pipe 102, the water pumping pipe 102 extends up and down to communicate the water inlet with a water source below, and the water pump 10 is disposed on the water pumping pipe 102 to drive the water flow along the water pumping pipe 102 from bottom to top. The base 200 is provided with a controller, and the water level in the water storage cavity 101 is controlled by controlling the water pump 10 to start or stop working through the controller, so as to prevent the water in the water storage cavity 101 from overflowing due to excessive water level or prevent the water dispenser from being dry-burned due to too low water level, thereby affecting the service life of the water dispenser.

For this purpose, a water level sensor is arranged in the cold tank 100 to cooperate with a controller, so as to trigger a sensing signal when the water level reaches a preset value, and the controller controls the operation of the water pump 10 according to the sensing signal. However, the typical water level sensor is an electrical device, which causes inconvenience in disassembly due to the presence of connected electronic circuits between the cold tank 100 and the housing 200, and may also cause damage of the electronic device due to moisture when the cold tank 100 is cleaned, which makes the cold tank 100 difficult to clean.

Therefore, referring to fig. 7 to 9, in the embodiment, the water dispenser further includes a sensing signal generating device and a mechanical trigger, the sensing signal generating device is disposed on the base 200, the sensing signal generating device is electrically connected to the controller to generate a sensing signal when being triggered, the controller controls the water pump 10 to stop working according to the sensing signal, and the mechanical trigger is disposed on the cooling tank 100 to trigger the sensing signal generating device when the water level in the water storage cavity 101 rises to a preset value. So, the inductive signal generating device and the mechanical trigger piece cooperate each other to generate a high water level inductive signal, the controller receives the inductive signal, so that the controller controls the water pump 10 to stop working when the water level in the cold tank 100 reaches a preset value, because only the mechanical trigger piece is arranged on the cold tank 100, the electronic component connected with the controller is not required to be arranged, so that no line is arranged between the cold tank 100 and the base 200, the cold tank can be easily separated from the base 200, and no electronic components such as a water level sensor are required to be arranged on the cold tank 100, and the electronic components are not required to be worried about to be damped in the cleaning process, and the cleaning is simple.

Further, referring to fig. 3 to 6, a refrigeration seat 201 is disposed in the machine base 200, a seat cavity 202 with an upward opening is formed in the refrigeration seat 201, and the lower end of the cold tank 100 is inserted into the seat cavity 202 to be covered by the refrigeration seat 201. The refrigerating seat 201 can be provided with an evaporator, a heat insulation layer, a temperature sensing element and other parts, and the base 200 of the water dispenser is provided with a compressor, a condenser and other refrigerating parts which are matched with the refrigerating seat so as to realize the refrigeration and cooling of the water stored in the cold tank 100. The upper side of the cold tank 100 is open, the upper side of the cold tank 100 is provided with a water pumping plate 103 which can be opened and closed, and the water pumping plate 103 is provided with an air inlet. Therefore, the cold tank 100 can be arranged in the base 200 from top to bottom, the operation is convenient, and in the disassembly process, the cold tank 100 only needs to move up and down, and the stored water in the refrigeration kettle is not easy to incline and is not easy to spill. The setting of board 103 of drawing water then has the closing cap effect to water storage chamber 101, can play the effect that prevents the spill of depositing water in the water storage chamber 101 and prevent that outside dirty entering water storage chamber 101 from polluting the drinking water. Preferably, the base 200 includes a pressing plate 203, and the pressing plate 203 is openably and closably covered on the upper side of the cold tank 100 to fix the cold tank 100, and preferably, the sensing signal generating device is disposed on the pressing plate 203.

On the basis of the above embodiments, there may be a variety of specific forms of the sensing signal generating device and the mechanical trigger, in the first embodiment, please refer to fig. 7, a refrigeration seat 201 adapted to the cold tank 100 is disposed in the base 200, the mechanical trigger of the refrigeration seat 201 is a metal water level probe 21 disposed on the water pumping plate 103, a lower end of the metal water level probe 21 extends into the water storage cavity 101, the sensing signal generating device includes a metal elastic sheet 22 disposed on the base 200, the metal elastic sheet 22 contacts with an upper end of the metal water level probe 21, the lower end of the cold tank 100 and the refrigeration seat 201 are at least partially made of conductive materials, so that when the water level in the water storage cavity 101 rises to the lower end of the metal probe, the metal elastic sheet 22 and the refrigeration seat 201 are conducted to form a detection loop to trigger the sensing signal generating device.

In the present embodiment, the metal spring piece 22 is disposed on the base 200, as long as it can contact with the metal water level probe 21. The metal spring plate 22 is preferably disposed on the pressing plate 203, and is disposed corresponding to the metal water level probe 21 up and down, and is electrically connected to the controller through an electronic circuit disposed in the pressing plate 203. In this embodiment, refrigeration seat 201 is preferred to be connected with the electric wire, and when the water level was less than the metal probe lower extreme, suction pump 10 continued work, with the water source in the water liquid be defeated to water storage chamber 101, the water level in the water storage chamber 101 increases gradually, when the water level reachd metal water level probe 21 lower extreme, metal shrapnel 22, metal probe, go out the drinking water of water intracavity, cold jar 100 and refrigeration seat 201 and be the conductor to establish ties jointly and form the detection return circuit, metal shrapnel 22 is triggered, produces the inductive signal. The controller controls the water pump 10 to stop working according to the induction signal, so as to prevent the water level in the water storage cavity 101 from continuously rising. In the embodiment, the conduction of the metal elastic sheet 22 is realized by utilizing the conductivity of water, and the structure is simple and easy to realize.

In a second embodiment, referring to fig. 8, the sensing signal generating device includes a reed pipe 31 disposed on the base 200, the mechanical trigger includes a magnetic floater 32 disposed in the water storage cavity 101, the magnetic floater 32 is disposed in the water storage cavity 101 in a manner of floating up and down, and is used for approaching the reed pipe 31 when floating up, and providing a magnetic force to conduct the reed pipe 31 to trigger the reed pipe 31 to generate the sensing signal.

In the present embodiment, the reed switch 31 is disposed on the base 200, as long as the magnetic floater 32 can approach the reed switch 31 to conduct the reed switch 31. Preferably, the reed pipe 31 is provided on the pressing plate 203 and vertically corresponds to the magnetic float 32 in the water storage chamber 101. The magnetic floater 32 is specifically a floater which has a small density and can rise or fall with the water level in the water storage cavity 101, and a magnetic part is arranged on the floater. Therefore, when the water level in the water storage cavity 101 rises, the magnetic floater 32 can rise along with the water level and gradually approaches the reed pipe 31, and when the magnetic floater 32 rises to a set position, the magnetic force generated by the magnetic floater affects the reed pipe 31, so that the reed pipe 31 is conducted and triggered to generate an induction signal. The controller controls the water pump 10 to stop working according to the induction signal, so as to prevent the water level in the water storage cavity 101 from continuously rising. In the embodiment, the magnetic force of the magnetic floater 32 is matched with the reed switch 31 on the base 200 to trigger the reed switch 31, so that the reed switch 31 is not required to be directly contacted with the reed switch 31, and the structure is simple and reliable.

In addition to the above embodiment, in order to ensure that the magnetic float 32 can approach the reed pipe 31 from below, a guide sleeve 321 is disposed under the water pumping plate 103, the guide sleeve 321 is correspondingly disposed under the reed pipe 31 and extends in the vertical direction, a water through hole 322 is disposed on the guide sleeve 321, and the magnetic float 32 is disposed in the guide sleeve 321. The magnetic float 32 is thus restricted to the lower side of the water suction plate 103 by the guide sleeve 321, and when the cold tank 100 is cleaned, the water suction plate 103 can be detached and cleaned together with the magnetic float 32. And the guide sleeve 321 plays a role in positioning and guiding the magnetic floater 32, so that the situation that the magnetic floater 32 cannot trigger the reed switch 31 due to position deviation when floating is avoided.

In a third embodiment, referring to fig. 9, the mechanical trigger includes a mechanical float 43 disposed in the water storage cavity 101, the sensing signal generating device includes a micro switch 42 disposed on the base 200, and the mechanical float 43 and the micro switch 42 are in transmission fit through a transmission structure, so that when the mechanical float 43 floats, the micro switch 42 is triggered to generate the sensing signal.

In this embodiment, the mechanical float 43 rises as the water level in the water storage chamber 101 rises, and triggers the micro switch 42 through the transmission structure when the water level rises to a specific position, so as to generate the sensing signal. In this way, the mechanical float 43 controls the micro switch 42 to control the water level in the water storage chamber 101 by the ascending or descending of the water level in the water storage chamber 101.

The form of the transmission structure can be various, as long as the micro switch 42 can be triggered. Specifically, in this embodiment, the transmission structure includes a feeler lever 41 movably installed on the base 200 or the pumping plate 103, and corresponding to the micro switch 42, and the mechanical float 43 is matched with the feeler lever 41, so that when the mechanical float 43 floats, the feeler lever 41 is driven to move, so as to trigger the micro switch 42 and generate the sensing signal. Therefore, the transmission between the mechanical floating ball 43 and the microswitch 42 is established through the arrangement of the feeler lever 41, the feeler lever 41 can be installed in a relative sliding way and can also be installed in a relative rotating way, and as long as the mechanical floating ball 43 can drive the feeler lever 41 to move when rising to a specific position so as to trigger the microswitch 42.

In one embodiment, the mechanical float 43 is provided with a first magnetic attracting portion 430, so that when the mechanical float 43 floats, the magnetic force pushes the contact rod 41 to move, so as to trigger the micro switch 42. Specifically, a magnet or an iron member may be disposed on the feeler lever 41, so that when the mechanical float 43 approaches the feeler lever 41, the feeler lever 41 is driven to move under the action of magnetic force to trigger the micro switch 42. In the embodiment, the feeler lever 41 is driven to move by magnetic force, the mechanical floating ball 43 and the feeler lever 41 do not need to be directly connected, the influence on the sealing performance of the cold tank 100 caused by the connection between the two is avoided, and the structure is simple and reliable.

Specifically, referring to fig. 9, the middle portion of the contact rod 41 is rotatably mounted on the base 200 or the pumping plate 103, one end of the contact rod 41 is disposed corresponding to the micro switch 42, the upper side of the mechanical float 43 is disposed with a first magnetic attraction portion 430, the other end of the contact rod 41 is disposed with a second magnetic attraction portion 410 corresponding to the first magnetic attraction portion 430, and when the mechanical float 43 floats, the magnetic force between the first magnetic attraction portion 430 and the second magnetic attraction portion 410 pushes the contact rod 41 to rotate, so that one end of the contact rod 41 contacts the micro switch 42.

In the embodiment, the feeler lever 41 is rotatably arranged, so that the mechanical float 43 can push the feeler lever 41 to act only by providing a small magnetic force, and the structure is simple and stable. Preferably, the first magnetic attraction portion 430 and the second magnetic attraction portion 410 are disposed vertically and correspondingly, so that the magnetic force of the first magnetic attraction portion 430 on the mechanical float 43 is increasingly influenced in the process of gradually approaching the second magnetic attraction portion 410. Preferably, the polarity of the first magnetic portion 430 is the same as that of the second magnetic portion 410, and when the first magnetic portion 430 is close to the second magnetic portion 410, one end of the magnetic portion disposed on the contact rod 41 is lifted, and the end corresponding to the micro switch 42 falls, and contacts with the micro switch 42 below, so as to trigger the micro switch 42 and generate the sensing signal.

Further, the mechanical trigger further comprises a rotating arm 44, one end of the rotating arm 44 is rotatably connected to the lower side of the pumping plate 103, and the other end of the rotating arm 44 is connected to the mechanical float 43, so that the mechanical float 43 can be rotatably mounted on the lower side of the pumping plate 103 up and down. In this way, the mechanical float 43 is connected to the lower side of the water pumping plate 103 through the arrangement of the rotating arm 44 to facilitate disassembly and cleaning, and the rotating arm 44 limits the moving path of the mechanical float 43 in the water storage cavity 101 to avoid the position deviation when the mechanical float 43 floats to influence the driving of the feeler lever 41.

In one embodiment, referring to fig. 7 to 9, the water pump 10 includes a pump head 11 and a motor 12, the pump head 11 is disposed on the water pumping plate 103 and is connected to the water inlet, the motor 12 is disposed on the base 200, and the motor 12 is detachably engaged with the pump head 11. So make between cold jar 100 and the frame 200 not have the circuit to draw together to the pump head 11 is located the board of drawing water, when dismantling cold jar 100, need not to separate pump head 11 and drinking-water pipe 102, convenient dismantlement. And the water-involved parts such as the pump head 11 of the water pump 10, the water pumping pipe 102, the water pumping plate 103 and the like can be detached and cleaned together, so that the drinking water can be kept clean. The suction pump 10 is preferably a diaphragm pump.

In an embodiment, referring to fig. 7 to 9, the water dispenser further includes a hot tank and a heating component, the hot tank is disposed on the base and is communicated with the cold tank 100, the heating component is used for heating the hot tank, and the controller controls the heating component to start to work according to the sensing signal. In this embodiment, the cold tank 100 supplies water to the hot tank, and two sets of mutually independent pumping devices or water supply systems are avoided, so that the overall structure of the water dispenser is simpler, the cost is saved, and the overall volume and weight of the water dispenser are reduced. However, when the water level in the cold tank 100 is too low, the hot tank cannot supplement water in time, and if the heating component works all the time, the service life of the water dispenser is affected by dry heating. For this reason, in the present embodiment, the controller controls the heating member to start operating according to the sensing signal. So for the heater block only just works when the water level in water storage chamber 101 reaches the specific value, ensures that the heater block during operation, and the water level in the hot jar is not less than the specific value, avoids heater block and hot jar to take place dry combustion method, and the energy saving prolongs the life of water dispenser.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A water dispenser, characterized in that it comprises:

the engine base is provided with a controller;

the mechanical trigger piece is arranged in the cold tank and used for triggering the induction signal generating device when the water level in the water storage cavity rises to a preset value;

the upper side of the cold tank is open, and the upper side of the cold tank is provided with a water pumping plate which can be opened and closed;

the mechanical trigger piece is arranged on the water pumping plate or in the cold tank;

the cold tank and the water pumping plate can be detached from the base together.

2. The water dispenser as claimed in claim 1, wherein the base is provided with a refrigeration seat, a seat cavity with an upward opening is formed in the refrigeration seat, the lower end of the cold tank is inserted into the seat cavity, and the water pumping plate is provided with an air inlet.

3. The water dispenser of claim 2, wherein the mechanical trigger is a metal water level probe disposed on the pumping plate, a lower end of the metal water level probe extends into the water storage cavity, the sensing signal generating device comprises a metal spring disposed on the base, the metal spring contacts with an upper end of the metal water level probe, and the lower end of the cooling tank and the cooling seat are at least partially made of conductive materials, so that when a water level in the water storage cavity rises to the lower end of the metal probe, the metal spring and the cooling seat are conducted to form a detection loop to trigger the metal spring to generate the sensing signal.

4. The water dispenser of claim 2, wherein the induction signal generating device comprises a reed switch arranged on the base, the mechanical trigger comprises a magnetic floater arranged in the water storage cavity, the magnetic floater is arranged in the water storage cavity in a vertically floating manner and is used for approaching the reed switch when floating, and magnetic force is provided to conduct the reed switch to trigger the reed switch to generate the induction signal.

5. The water dispenser of claim 4, wherein a guide sleeve is arranged at the lower side of the water pumping plate, the guide sleeve is correspondingly arranged below the reed pipe and extends along the vertical direction, a water through hole is arranged on the guide sleeve, and the magnetic floater is arranged in the guide sleeve.

6. The water dispenser of claim 2, wherein the mechanical trigger comprises a mechanical floating ball disposed in the water storage cavity, the induction signal generating device comprises a micro switch disposed on the base, and the mechanical floating ball and the micro switch are in transmission fit through a transmission structure, so that when the mechanical floating ball floats, the micro switch is triggered to generate the induction signal.

7. The water dispenser of claim 6, wherein the transmission structure comprises a touch rod movably mounted on the base or the water pumping plate and corresponding to the micro switch, and the mechanical float ball is matched with the touch rod to drive the touch rod to move when the mechanical float ball floats, so as to trigger the micro switch and generate the sensing signal.

8. The water dispenser of claim 7, wherein the mechanical floating ball is provided with a first magnetic attraction part, so that when the mechanical floating ball floats, the touch rod is pushed to move by magnetic force to trigger the microswitch.

9. The water dispenser of claim 8, wherein the middle of the contact rod is rotatably mounted on the base or the water pumping plate, one end of the contact rod is disposed corresponding to the micro switch, the first magnetic attraction portion is disposed on the upper side of the mechanical floating ball, the other end of the contact rod is disposed corresponding to the first magnetic attraction portion and has a second magnetic attraction portion, and when the mechanical floating ball floats, the contact rod is driven to rotate by the magnetic force between the first magnetic attraction portion and the second magnetic attraction portion, so that one end of the contact rod contacts the micro switch.

10. The water dispenser of any one of claims 6 to 9 wherein the mechanical trigger further comprises a rotating arm, one end of the rotating arm is rotatably connected to the underside of the pumping plate, and the other end of the rotating arm is connected to the mechanical float ball, so that the mechanical float ball can be vertically rotatably mounted on the underside of the pumping plate.

11. The water dispenser as claimed in any one of claims 2 to 9, wherein the water pump comprises a pump head and a motor, the pump head is arranged on the water pumping plate and is communicated with the water inlet, the motor is arranged on the base, and the motor is detachably matched with the pump head.

12. The water dispenser of any one of claims 1 to 9, further comprising a hot tank and a heating element, wherein the hot tank is arranged on the base and is communicated with the cold tank, the heating element is used for heating the hot tank, and the controller controls the heating element to start working according to the induction signal.