A tea bar machine

Abstract

This invention discloses a tea bar machine, comprising a main body, a bar support, a bar counter, and an instant heating component. The instant heating component includes an instant heating bracket, an instant heating pipe, and a first water pump. The instant heating pipe and the first water pump are mounted on the instant heating bracket, and the first water pump supplies water to the instant heating pipe. The water supply detection method of the tea bar machine includes obtaining the pulse width signal and current value of the first water pump; calculating the current value during idling and the current value during normal operation corresponding to the pulse width signal of the first water pump; limiting the current value based on the current value during idling and the current value during normal operation to obtain the current value after the limit; and calculating the water flow sufficiency of the first water pump based on the current value after the limit. The tea bar machine of this invention can avoid the problem of dry burning of the instant heating pipe, thereby improving the safety and reliability of the tea bar machine.

Description

Technical Field

[0001] This invention relates to the field of drinking water equipment technology, and in particular to a tea bar machine. Background Technology

[0002] Currently, in actual use, if unforeseen factors occur (such as sudden water supply interruption, machine tilting, water tank failure, impurities being sucked in by the tea bar machine, human error, etc.) causing the first water pump to be in a state of running dry or half-water, half-air, the instant heating element in the heating state will dry-burn. If the instant heating element is in a state of dry burning for a long time, it will not only damage the instant heating element itself, but also damage the electronic components or structural parts connected to the instant heating element, thereby affecting the safety and reliability of the tea bar machine. Summary of the Invention

[0003] The main objective of this invention is to propose a tea bar machine that avoids the problem of dry burning of the instant heating pipe, thereby improving the safety and reliability of the tea bar machine.

[0004] To achieve the above objectives, the present invention proposes a tea bar machine, which includes a main body, a bar support, a bar section, and an instant heating component. The upper surface of the main body forms a water receiving platform for placing a kettle, and the main body contains a water storage chamber for placing a water storage container. The bar support is erected on one side of the water receiving platform. The bar section is connected to the side of the bar support away from the water receiving platform, and the bar section is provided with a first water outlet. The instant heating component is disposed on the bar support, and has an instant hot water inlet and an instant hot water outlet. The instant hot water inlet is connected to the water storage container via a pipe, and the instant hot water outlet is connected to the first water outlet via a pipe. The instant heating component includes an instant heating bracket, an instant heating pipe, and a first water pump. The instant heating pipe and the first water pump are mounted on the instant heating bracket, and the first water pump supplies water to the instant heating pipe.

[0005] The water supply detection method for the tea bar machine includes:

[0006] Obtain the pulse width signal and current value of the first water pump;

[0007] Based on the pulse width signal of the first water pump, the current value during idling and the current value during normal operation corresponding to the current pulse width are calculated.

[0008] Based on the current value during idling and the current value during normal operation, the current value is limited to obtain the current value after the limit is reached.

[0009] The water flow sufficiency of the first water pump is calculated based on the current value after the limit is set.

[0010] In one embodiment, the instant heating bracket is installed inside the bar counter support, the instant heating pipe is vertically installed on the instant heating bracket, and the instant heating inlet and the instant heating outlet are located at opposite ends of the instant heating pipe along its length.

[0011] In one embodiment, the instant heating component further includes an instant heating control board, which is mounted on the instant heating bracket and located on one side of the instant heating pipe.

[0012] In one embodiment, the first water pump is located below the instant heating pipe and the instant heating control board.

[0013] In one embodiment, the step of calculating the current value during idling and the current value during normal operation corresponding to the pulse width signal of the first water pump includes:

[0014] The pulse width signal of the first water pump is substituted into the preset idling function and normal operation function respectively to calculate the current value during idling and the current value during normal operation corresponding to the current pulse width.

[0015] In one embodiment, the step of limiting the current value based on the idling current value and the normal operating current value to obtain the limited current value includes:

[0016] When the current current value is greater than the current value during normal operation, the current current value is the current value during normal operation.

[0017] When the current current value is less than the current value during idling, the current current value is the current value during idling.

[0018] When the current current value is between the current value during idling and the current value during normal operation, the current current value remains unchanged.

[0019] In one embodiment, the water supply detection method for the tea bar machine further includes:

[0020] A normal water output test was performed on the first water pump to obtain the relationship function between the voltage drive value of the first water pump and the current detection value of the first water pump.

[0021] The relationship function is calibrated to obtain the idling function and the normal working function, which are then saved.

[0022] In one embodiment, the relational function is a linear function, and the coefficient of the second power of the first water pump voltage drive value is a, and the coefficient of the first power of the first water pump voltage drive value is b.

[0023] In one embodiment, the bar counter support includes a support housing and a support back plate, the support housing and the support back plate forming an installation cavity, and the instant heating component is disposed in the installation cavity and connected to the support housing.

[0024] In one embodiment, the instant heating bracket is provided with multiple connection holes, and the support housing is provided with multiple positioning posts. The connection holes and the positioning posts are engaged and connected by screws.

[0025] In one embodiment, the bar counter is further provided with a second water outlet, and the instant heating pipe is disposed on the side of the instant heating bracket near the first water outlet.

[0026] In one embodiment, the bar counter is further provided with a second water outlet, and the bar counter support is further provided with a reversing valve. The reversing valve has a reversing inlet, a first reversing outlet and a second reversing outlet. The reversing inlet is connected to the instant hot water outlet, the first reversing outlet is connected to the first water outlet, and the second reversing outlet is connected to the second water outlet.

[0027] In one embodiment, the distance between the reversing valve and the first outlet is less than the distance between the reversing valve and the second outlet.

[0028] In one embodiment, the tea bar machine further includes a refrigeration component disposed within the main body, one end of which is connected to a water storage component and the other end of which is connected to the first water outlet.

[0029] The tea bar machine of the present invention includes a main body, a bar counter support, a bar counter, and an instant heating component. The bar counter support is erected on one side of the water receiving platform, and the bar counter is connected to the side of the bar counter support away from the water receiving platform. The bar counter is provided with a first water outlet. The instant heating component is disposed within the bar counter support and has an instant hot water inlet and an instant hot water outlet. The instant hot water inlet is connected to a water storage device through a pipe, and the instant hot water outlet is connected to the first water outlet through a pipe. Traditionally, the instant heating component is disposed within the main body of the tea bar machine. In this invention, by placing the instant heating component within the bar counter support, the distance between the instant heating component and the first water outlet is closer, resulting in a shorter water outlet path for the hot water heated by the instant heating component. This allows the tea bar machine to respond quickly and dispense hot water rapidly, reducing user waiting time and improving the user experience. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of an embodiment of the tea bar machine of the present invention;

[0032] Figure 2 for Figure 1 Internal structure diagram of the Chinese tea bar machine:

[0033] Figure 3 for Figure 2 Structural diagram of the tea bar machine with the main body removed:

[0034] Figure 4 for Figure 2 Exploded view of the central bar support section:

[0035] Figure 5 for Figure 4 Exploded view of the instantaneous heating component:

[0036] Figure 6 for Figure 4 Schematic diagram of the structure of the middle support shell and the support back plate:

[0037] Figure 7 This is a water system diagram of the tea bar machine of the present invention;

[0038] Figure 8 This is a flowchart illustrating a water supply detection method for a tea bar machine according to an embodiment of this application;

[0039] Figure 9 This is a schematic diagram of the structure of the first water pump voltage detection circuit according to an embodiment of this application;

[0040] Figure 10 This is a flowchart illustrating a water supply detection method for a tea bar machine according to another embodiment of this application.

[0041] Explanation of icon numbers:

[0042] 10 Tea bar machine 400 Instant heating components 20 Water storage components 410 Instant heating bracket 100 Main body 411 Connection hole 110 Water receiving platform 420 heat pipe 120 Water storage room 421 Instant hot water inlet 200 Bar counter support section 422 Instant hot water outlet 210 Support shell 430 Instantaneous heating control board 211 Positioning Post 440 First water pump 212 Installation port 500 Reversing valve 220 Support back plate 510 Reversing water inlet 230 Mounting cavity 520 First reversing outlet 300 bar area 530 Second reversing outlet 310 First water outlet 600 Refrigeration components 320 Second water outlet 700 Second water pump

[0043] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0045] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0046] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, if the word "and / or" appears throughout the text, it means including three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0047] This invention proposes an embodiment of a tea bar machine, a convenient and quick beverage machine mainly used for making hot beverages such as tea, coffee, and hot chocolate. The tea bar machine with an instant heating function operates by using a water pump to draw water from a tank. After being drawn from the tank, the water flows through a heating element to be heated, and then flows through a spout into the user's cup, achieving instant hot water dispensing and meeting the user's needs for different water temperatures. The water tank is typically a bottled drinking water container; once the container is empty, the user can refill it or replace it with a new container for continued use.

[0048] The water spout of existing tea bar machines is usually located on the top of the machine body, which is far from the instant heating element. Users often have to wait a few seconds for water to come out, resulting in a poor user experience. In addition, the pipe between the instant heating element and the water spout is long. After the previous hot water is dispensed, the residual water in the pipe that has cooled down will flow out of the spout first, resulting in the actual water temperature being lower than expected.

[0049] Please see Figures 1 to 3 , Figure 7 In one embodiment of the present invention, the tea bar machine 10 includes a main body 100, a bar support 200, a bar section 300, and an instant heating component 400; the upper end surface of the main body 100 forms a water receiving platform 110 for placing a kettle, and the main body 100 has a water storage chamber 120 for placing a water storage component 20; the bar support 200 is erected on one side of the water receiving platform 110; the bar section 300 is connected to the side of the bar support 200 away from the water receiving platform 110, and the bar section 300 is provided with a first water outlet 310; the instant heating component... A heating element 400 is installed on the bar counter support 200. The heating element 400 has an instant hot water inlet 421 and an instant hot water outlet 422. The instant hot water inlet 421 is connected to the water storage unit 20 through a pipe, and the instant hot water outlet 422 is connected to the first water outlet 310 through a pipe. The heating element 400 includes an instant hot support 410, an instant hot pipe 420, and a first water pump 440. The instant hot pipe 420 and the first water pump 440 are installed on the instant hot support 410. The first water pump 440 is used to supply water to the instant hot pipe 420.

[0050] Specifically, the main body 100 is generally rectangular in shape and extends vertically. A water storage chamber 120 is formed within the main body 100 for housing a water storage component 20, which stores drinking water for the user. The water storage component 20 can be a replaceable bottled water container, a pure water tank installed within the main body 100, or a pure water tank that the user can replace themselves; no specific limitation is set. The main body 100 is made of a rigid material. The type of rigid material can be ABS, HIPS, PP, PC, or other rigid materials, or it can be metal or alloy materials, etc., without specific restrictions.

[0051] When the tea bar machine 10 is in use, the upper surface of the main body 100 forms a water receiving platform 110 for placing a kettle. A bar counter support 200 is erected on the water receiving platform 110, and the instant heating component 400 is disposed within the bar counter support 200, allowing more space within the main body 100 for installing other structures. The bar counter 300, equipped with a first water outlet 310, is connected to the side of the bar counter support 200 away from the water receiving platform 110. The instant heating component 400 has an instant hot water inlet 421 and an instant hot water outlet 422. The instant hot water inlet 421 is connected to the water storage unit 20 via a pipe, and the instant hot water outlet 422 is connected to the first water outlet 310 via a pipe.

[0052] Please see Figure 3 and Figure 4The instant heating component 400 is placed inside the bar support 200. The instant heating component 400 is closer to the first water outlet 310, and the water outlet path of the hot water heated by the instant heating component 400 is shorter. When the user uses it, the tea bar machine 10 can respond quickly and dispense water rapidly, reducing the user's waiting time and improving the user experience. At the same time, the path between the instant hot water outlet 422 of the instant heating component 400 and the first water outlet 310 is shorter, and the pipe length is shorter. When the user uses it again, the residual water in the pipe after cooling down after the previous hot water is dispensed is smaller, which has less impact on the user's actual water temperature and will not cause the user's actual water temperature to drop.

[0053] The instant heating component 400 is installed within the bar counter support 200. The application of instant heating technology to the tea bar machine 10 offers the following advantages: 1. Energy saving: Heating is done on demand, eliminating the need for long-term hot water storage and heat preservation, thus reducing energy loss. 2. Reduced product size and high space adaptability: The absence of internal hot water storage allows for a smaller product size. 3. Low cost: The elimination of internal water storage tanks and related heating detection elements reduces product costs. 4. Enhanced user experience: Users can set the water temperature and flow rate as needed. The internal temperature control module and volume calculation module quickly and accurately achieve the target temperature by heating and adjusting the water flow rate, meeting the user's water needs. In this embodiment, the instant heating component 400 has an instant heating inlet 421 connected to the water storage component 20 via a water pipe, and an instant heating outlet 422 connected to the first water outlet 310 via a water pipe. The instant heating component 400 can heat the water flowing through it. When the instant heating component 400 is working, the water flowing through the instant heating component 400 will be heated and flow out from the first water outlet 310 for the user.

[0054] The tea bar machine 10 of this invention can provide multiple water temperatures for instant hot water dispensing. The instant hot water dispensing temperature range can be between 45℃ and 95℃, and exemplary values ​​can be 45℃, 50℃, 55℃, 60℃, 65℃, 70℃, 75℃, 80℃, 85℃, 90℃, and 95℃. The water dispensing temperature can be preset at the factory, or it can be configured to correspond to various instant hot water dispensing states, or the user can set the desired water dispensing temperature. There are no specific limitations on these settings.

[0055] The tea bar machine 10 of the present invention includes a main body 100, a bar support 200, a bar section 300, and an instant heating component 400; the bar support 200 is erected on one side of the water receiving platform 110, and the bar section 300 is connected to the side of the bar support 200 away from the water receiving platform 110, and the bar section 300 is provided with a first water outlet 310; the instant heating component 400 is disposed inside the bar support 200, and the instant heating component 400 has an instant hot water inlet 421 and an instant hot water outlet 422, the instant hot water inlet 421 is connected to the water storage component 20 through a pipe, and the instant hot water outlet 422 is connected to the first water outlet 310 through a pipe. Traditionally, the instant heating component 400 is located inside the main body 100 of the tea bar machine 10. In this invention, the instant heating component 400 is located inside the bar support 200. The instant heating component 400 is closer to the first water outlet 310, and the water outlet path of the hot water heated by the instant heating component 400 is shorter. When the user uses the tea bar machine 10, it can respond quickly and quickly dispense hot water, reducing the user's waiting time and improving the user experience.

[0056] Please see Figure 4 and Figure 5 In one embodiment, the instant heating component 400 includes an instant heating bracket 410 and an instant heating pipe 420. The instant heating pipe 420 is vertically installed on the instant heating bracket 410, and an instant heating inlet 421 and an instant heating outlet 422 are located at opposite ends of the instant heating pipe 420 along its length. Specifically, the instant heating pipe 420 is generally cylindrical, and the cylindrical instant heating pipe 420 is vertically installed on the instant heating bracket 410. When the instant heating bracket 410 is installed inside the bar support 200, the installation direction of the instant heating pipe 420 is also vertical. This arrangement is to prevent the water flow from not fully occupying the heating space inside the instant heating pipe 420 when it is placed horizontally, due to gravity, thus causing the instant heating pipe 420 to burn out and be damaged, affecting its service life. The instant hot water inlet 421 is located at the lower end of the instant hot water pipe 420, and the instant hot water outlet 422 is located at the upper end of the instant hot water pipe 420.

[0057] Furthermore, the instant heating component 400 also includes an instant heating control board 430, which is mounted on the instant heating bracket 410 and located on one side of the instant heating pipe 420. Specifically, the instant heating control board 430 is electrically connected to the main control circuit board of the tea bar machine 10, and is used to receive and send electrical signals to the main control circuit board to control the start and stop heating processes of the instant heating pipe 420. The instant heating control board 430 is located on one side of the instant heating pipe 420, making reasonable use of the installation position of the instant heating bracket 410, so that the structure of the instant heating component 400 can be more compact, without occupying too much space within the bar support 200.

[0058] Please see Figure 5 and Figure 7Furthermore, the instant heating component 400 also includes a first water pump 440, which is disposed on the instant heating bracket 410 and located below the instant heating pipe 420 and the instant heating control board 430. Specifically, the instant heating component 400 also includes a first water pump 440 disposed on the instant heating bracket 410. The first water pump 440 is located upstream of the water path of the instant heating pipe 420 and is used to pump water to the instant heating pipe 420 for heating. The first water pump 440 is located below the instant heating pipe 420 and the instant heating control board 430. The start and stop of the first water pump 440 can be directly controlled by the instant heating control board 430, without the need for control by the main control circuit board of the tea bar machine 10. The control logic is simple and easy to operate. In one embodiment, the bar counter support 200 includes a support housing 210 and a support back plate 220, which together form a mounting cavity 230. The heating assembly 400 is disposed in the mounting cavity 230 and connected to the support housing 210. Specifically, the bar counter support 200 includes a support housing 210 and a support back plate 220. The support housing 210 has a mounting opening 212, and the support back plate 220 is detachably disposed at the mounting opening 212. The heating assembly 400, the reversing valve 500, and other components are installed into the mounting cavity 230 through the mounting opening 212.

[0059] Please see Figure 5 and Figure 6 Furthermore, the instant heating bracket 410 is provided with multiple connection holes 411, and the support housing 210 is provided with multiple positioning posts 211. The connection holes 411 and the positioning posts 211 cooperate and are connected by screws. Specifically, the instant heating pipe 420, the instant heating control board 430, and the first water pump 440 can all be fixedly installed on the instant heating bracket 410 by screws to form the entire instant heating assembly 400. The instant heating bracket 410 is provided with multiple connection holes 411, and the support housing 210 is provided with multiple positioning posts 211. The connection holes 411 on the instant heating bracket 410 and the positioning posts 211 on the support housing 210 cooperate and the entire instant heating assembly 400 can be fixedly installed into the mounting cavity 230 by screws.

[0060] Please see Figure 1 and Figure 3In one embodiment, the bar counter 300 is further provided with a second water outlet 320, and the instant heating pipe 420 is disposed on the side of the instant heating bracket 410 near the first water outlet 310. Specifically, in order to avoid hot water splashing and causing scalding to users when hot water is dispensed, it is necessary to control the flow rate of hot water. Therefore, the diameter of the first water outlet 310 used for dispensing hot water is relatively small. However, when dispensing warm water normally, the small diameter of the first water outlet 310 is difficult to meet the water dispensing demand. Therefore, the bar counter 300 is also provided with a second water outlet 320, which is used to dispense room temperature water. The instant heating pipe 420 is fixedly installed on the instant heating bracket 410, and is installed on the side of the instant heating bracket 410 close to the first water outlet 310. This arrangement allows the instant heating pipe 420 to be closer to the first water outlet 310, and the instant hot water outlet 422 to be closer to the first water outlet 310. This shortens the pipe length between the instant hot water outlet 422 and the first water outlet 310, allowing the tea bar machine 10 to respond quickly and dispense water rapidly when the user uses the instant hot water, reducing the user's waiting time and improving the user experience. Furthermore, when the user uses it again, the residual water in the pipe after cooling down from the previous hot water dispensing is small, which has little impact on the actual water temperature dispensed by the user and will not cause the actual water temperature dispensed by the user to decrease.

[0061] Please see Figure 1 and Figure 3 In another embodiment, the bar counter 300 is also provided with a second water outlet 320, and the bar counter support 200 is also provided with a reversing valve 500. The reversing valve 500 has a reversing inlet 510, a first reversing outlet 520 and a second reversing outlet 530. The reversing inlet 510 is connected to the instant hot water outlet 422, the first reversing outlet 520 is connected to the first water outlet 310, and the second reversing outlet 530 is connected to the second water outlet 320.

[0062] Specifically, as described in the previous embodiment, in order to avoid hot water splashing and causing scalding to users when hot water is dispensed, it is necessary to control the flow rate of hot water. Therefore, the diameter of the first water outlet 310 used for dispensing hot water is relatively small. However, when dispensing warm water normally, the small diameter of the first water outlet 310 is difficult to meet the water dispensing demand. Therefore, a second water outlet 320 is also provided in the bar area 300 to dispense room temperature water. Furthermore, a reversing valve 500 is installed inside the bar support 200. The reversing valve 500 can switch the water path, so that when the tea bar machine 10 dispenses hot water, the hot water flows out from the first water outlet 310 through the switching of the reversing valve 500. When the tea bar machine 10 dispenses room temperature water, the room temperature water flows out from the second water outlet 320 through the switching of the reversing valve 500. The setting of the reversing valve 500 means that the tea bar machine 10 does not need to be equipped with a separate pipeline to supply water to the second water outlet 320, which simplifies the pipeline structure inside the tea bar machine 10.

[0063] Furthermore, the distance between the reversing valve 500 and the first outlet 310 is less than the distance between the reversing valve 500 and the second outlet 320. Since the hot water flowing from the instant hot water outlet 422 will first flow into the reversing valve 500, setting the position of the reversing valve 500 close to the first outlet 310 ensures that the hot water flowing from the reversing valve 500 can quickly flow to the first outlet 310 and flow out from the first outlet 310, reducing the user's waiting time, improving the user experience, and when the user uses it again, the residual water in the pipeline after cooling down after the previous hot water output is small, which has little impact on the user's actual water temperature and will not cause the user's actual water temperature to decrease.

[0064] It should be noted that the determination of the distance between the reversing valve 500 and the first outlet 310 and the second outlet 320 can be based on the assumption that the horizontal plane is the reference plane. On this plane, the shortest distance between the reversing valve 500 and the first outlet 310 is less than the shortest distance between the reversing valve 500 and the second outlet 320.

[0065] Please see Figure 2 and Figure 7 In one embodiment, the tea bar machine 10 further includes a cooling component 600, which is disposed within the main body 100. One end of the cooling component 600 is connected to the water storage container 20, and the other end is connected to the first water outlet 310. Specifically, the cooling component 600 is disposed within the main body 100 and includes an electronic ice chamber, a heat sink, a cooling fan, etc. (not shown in the figure). The cooling component 600 can cool the water in the water storage container 20 for user consumption. One end of the cooling component 600 is connected to the water storage container 20, and the other end is connected to the first water outlet 310. A second water pump 700 can be separately installed on the water outlet path of the cooling component 600 to provide power to the water outlet path of the cooling component 600.

[0066] It should be noted that the cooling component 600 includes an electronic ice chamber (not shown in the figure), which can use semiconductor refrigeration to cool the water in the cup. The electronic ice chamber has a receiving cavity, and the cooling inlet and cooling outlet of the electronic ice chamber are respectively connected to the receiving cavity. The second water pump 700 can pump water from the water storage component 20 into the receiving cavity for pre-cooling. When the user needs to drink cold water, the cold water in the receiving cavity is directly discharged from the first water outlet 310 for the user's use.

[0067] Furthermore, the electronic ice tank's containment cavity is equipped with a cooling element (not shown in the figure). This cooling element cools the water within the containment cavity, ensuring that the water remains at a relatively stable temperature or within a stable temperature range. The cooling element is a semiconductor cooling chip, compact in structure and space-saving, while ensuring continuous and reliable cooling. When the water temperature in the containment cavity reaches the set temperature, the cooling element can switch from high-power cooling to low-power heat preservation cooling. A heat sink is positioned corresponding to the cooling element and located between the cooling fan and the electronic ice tank. The heat generated during the cooling process of the electronic ice tank can be dissipated through the heat sink. The heat sink can be multiple spaced-apart heat sinks to further improve its heat dissipation effect. The heat sink is integrally formed on the outer wall of the electronic ice tank and is sealed to the cooling fan, thereby allowing the cooling fan to expel heat from the heat sink and improve heat dissipation efficiency.

[0068] This application presents a water supply detection method for the tea bar machine 10 according to the first embodiment. Please refer to [link / reference needed]. Figure 8 The water supply detection method for the tea bar machine 10 includes:

[0069] Step S10: Obtain the pulse width signal and current value of the first water pump 440;

[0070] It should be noted that the pulse width signal is used to drive the first water pump 440 to operate, and the current current value refers to the current value of the first water pump 440 at the current moment.

[0071] The pulse width signal and current value of the first water pump 440 can be acquired by a sensor or a specific measuring device. The sensor or specific measuring device can be set in the tea bar machine 10 or in other devices connected to the tea bar machine 10. Thus, when acquiring the pulse width signal and current value of the first water pump 440, it can be obtained from the local device (i.e., the tea bar machine 10) or from other devices connected to the local device. This embodiment does not specifically limit this.

[0072] As an example, one can utilize Figure 9 The voltage detection circuit of the first water pump 440 shown acquires the current voltage value of the first water pump 440, and then calculates the current current value of the first water pump 440 based on the current voltage value. Figure 9In the diagram, R1 to R8 are resistors, C1 and C2 are capacitors, D1 and D2 are diodes, Q1 and Q2 are transistors, and GND is ground. Specifically, when the main control module outputs a 0V / 5V square wave signal with a duty cycle of 0-100% to resistor R5 through the CSB voltage port, the current of the first water pump 440 is first shunted by resistors R1 and R2 in parallel to detect the voltage of the first water pump 440. Then, the adjusted voltage of the first water pump 440 is filtered by a filter circuit composed of resistor R3 and capacitor C1, and resistor R4 and capacitor C2 to obtain a stable voltage value. Finally, the stable voltage value is input to the AD detection port of the main control module MCU through the CSB AD port to calculate the current of the first water pump 440 and obtain its current value.

[0073] Since the rated voltage of the first water pump 440 is 24V, the CN2 port needs to provide a drive voltage close to 24V to enable the first water pump 440 to operate near full power. Therefore, the voltage drop across resistors R1 and R2 used to detect the current of the first water pump 440 should be as small as possible. For example, assuming that to ensure the first water pump 440 can operate near full power, the maximum voltage drop across resistors R1 and R2 is 2V, then when designing resistors R1 and R2, the product of the equivalent resistance Rmax of resistors R1 and R2 and the maximum operating current Imax of the first water pump 440 should be less than 2V.

[0074] However, for the AD detection function of the main control module MCU, the ideal approach is for the voltage value detected by the AD detection port of the main control module MCU to be within the range of 0 to 5V. If the voltage value detected by the AD detection port is within the range of 0 to 5V, then the detection accuracy can be best ensured. However, this approach is equivalent to only providing a 19V drive voltage for the first water pump 440, which results in the first water pump 440 operating at a lower power and failing to achieve the maximum flow rate of water output. Based on this, it is possible to... Figure 9 An operational amplifier is added to the right side to increase the filtered voltage value. This ensures that the full power output performance of the first water pump 440 is maintained while also ensuring the accuracy of voltage detection.

[0075] Step S20: Based on the pulse width signal of the first water pump 440, calculate the current value during idling and the current value during normal operation corresponding to the current pulse width.

[0076] It should be noted that the current value during idling refers to the current value when the first water pump 440 is completely empty, while the current value during normal operation refers to the current value when the first water pump 440 is filled with water. The current pulse width refers to the voltage drive value of the first water pump 440 at the current moment.

[0077] In one feasible implementation, step S20 may specifically include:

[0078] Step S21: Substitute the pulse width signal of the first water pump 440 into the preset idling function and normal operation function respectively to calculate the current value during idling and the current value during normal operation corresponding to the current pulse width.

[0079] It should be noted that the idling function is used to calculate the current value of the first water pump 440 when it is idling, and the normal operation function is used to calculate the current value of the first water pump 440 when it is operating normally.

[0080] It is understood that the idling function and normal operation function provided in this embodiment only need to use the pulse width signal of the first water pump 440 to calculate the current value during idling and the current value during normal operation corresponding to the current pulse width. It can be seen that this embodiment not only has good calculation convenience, but also requires less data to be processed during the calculation process of the idling function and the normal operation function, thus the calculation efficiency is also high.

[0081] Step S30: Based on the current value during idling and the current value during normal operation, limit the current value to obtain the current value after the limit is reached;

[0082] In a feasible real-time approach, step S30 may specifically include:

[0083] Step S31: When the current current value is greater than the current value during normal operation, the current current value is the current value during normal operation.

[0084] Step S32: When the current current value is less than the current value during idling, the current current value is the current value during idling.

[0085] Step S33: When the current current value is between the current value during idling and the current value during normal operation, the current current value remains unchanged.

[0086] For example, taking a current value of 10 when idling and 20 when operating normally as an example, if the current value is 30, then the current value needs to be limited to 20; if the current value is 5, then the current value needs to be limited to 10; if the current value is 15, then the current value is kept at 15.

[0087] This embodiment limits the current value between the current value during idling and the current value during normal operation. This prevents the calculated water flow sufficiency value from being outside the acceptable range due to the current value being greater than the current value during normal operation or less than the current value during idling. It is understood that if the calculated water flow sufficiency value is outside the acceptable range, the local device (i.e., the tea bar machine 10) may determine that the calculated water flow sufficiency is abnormal, and thus will not proceed with the subsequent determination of the state of the first water pump 440. Consequently, it will be unable to promptly implement protective measures when the first water pump 440 is in a state of no water or half water and half air. Therefore, by limiting the current value, this embodiment ensures that the tea bar machine 10 can normally perform subsequent operations to prevent the instant heating pipe 420 from dry burning, thereby further improving the user experience.

[0088] Step S40: Calculate the water flow sufficiency of the first water pump 440 based on the current value after the limit is set.

[0089] It should be noted that the value of water flow sufficiency ranges from 0 to 1, that is, from 0 to 100%. The higher the water flow sufficiency, the more abundant the water flow.

[0090] In one feasible implementation, step S40 may specifically include: calculating the difference between the current value after the limit switch and the current value during idling to obtain a first current difference; calculating the difference between the current value during normal operation and the current value during idling to obtain a second current difference; and calculating the ratio of the first current difference to the second current difference to obtain the water flow sufficiency of the first water pump 440. The calculation formula in this implementation is as follows:

[0091]

[0092] Where k represents the water flow sufficiency, and A d The current value after the limit is A. k The current value during idling, A z This is the current value during normal operation.

[0093] For example, if the calculated water flow sufficiency of the first water pump 440 is 1 or close to 1, it means that the water flow of the first water pump 440 is full and the first water pump 440 is in a normal pumping state; if the calculated water flow sufficiency of the first water pump 440 is 0, it means that the first water pump 440 is completely without water and the first water pump 440 is in a state of pumping without water; if the calculated water flow sufficiency of the first water pump 440 is 0.5 or close to 0.5, the first water pump 440 is likely in a state of half water and half air.

[0094] This embodiment provides a water supply detection method for a tea bar machine 10. After obtaining the pulse width signal and current value of the first water pump 440, this embodiment first calculates the current value during idle operation and the current value during normal operation corresponding to the pulse width signal of the first water pump 440. That is, it determines the current value of the first water pump 440 when there is no water and the current value when the water flow is full under the current pulse signal. Then, based on the current value during idle operation and the current value during normal operation, the current current value is limited to a certain limit. By determining the water flow sufficiency of the first water pump 440, the current value after the limit is obtained. Finally, based on the current value after the limit, the water flow sufficiency of the first water pump 440 is calculated. Thus, by calculating the water flow sufficiency of the first water pump 440, the state of the first water pump 440 can be determined. This allows for timely implementation of protective measures when the first water pump 440 is in a state of no water or half water and half air, in order to avoid the problem of dry burning of the instant heating pipe 420, improve the safety and reliability of the tea bar machine 10, and thus enhance the user experience.

[0095] Based on the first embodiment described above, a second embodiment of the water supply detection method for the tea bar machine 10 of this application is proposed. For the second embodiment of this application, please refer to... Figure 10 The water supply detection method for the tea bar machine also includes:

[0096] Step S01: Perform a normal water output test on the first water pump 440 to obtain the relationship function between the voltage drive value of the first water pump 440 and the current detection value of the first water pump 440.

[0097] It should be noted that the electrical characteristics of the first water pump 440 will affect the function type of the relationship between the voltage drive value and the current detection value of the first water pump 440. Specifically, if the electrical characteristics of the first water pump 440 are linear, then the relationship between the voltage drive value and the current detection value of the first water pump 440 obtained from a normal water discharge test will also be a linear function; if the electrical characteristics of the first water pump 440 are non-linear, then the relationship between the voltage drive value and the current detection value of the first water pump 440 obtained from a normal water discharge test will also be a non-linear function.

[0098] When conducting a normal water output test on the first water pump 440, the actual first water pump 440 can be tested on-site, or the first water pump 440 can be simulated on relevant simulation equipment through hardware simulation, and then the simulated first water pump 440 can be simulated on the simulation equipment. This embodiment does not make specific limitations in this regard.

[0099] In one feasible implementation, the relational function is a linear function, and the coefficient of the second power of the voltage drive value of the first water pump 440 is a, and the coefficient of the first power of the voltage drive value of the first water pump 440 is b.

[0100] It should be noted that the relational function in this implementation method is as follows:

[0101] A = f(P) = aP + b (1)

[0102] Where A is the current detection value of the first water pump 440, P is the voltage drive value of the first water pump 440, and a and b are constants.

[0103] This embodiment uses a linear function to characterize the relationship between the voltage drive value (e.g., 0-24V) of the first water pump 440 and the current detection value of the first water pump 440, thereby achieving an accurate characterization of the relationship between the voltage drive value and the current detection value of the first water pump 440.

[0104] Step S02: The relational function is calibrated to obtain the idling function and the normal working function, and then saved.

[0105] It should be noted that there is no fixed order between steps S01 and S02 in this embodiment and step S10 above. They can be run sequentially or in parallel.

[0106] In one feasible implementation, step S02 may specifically include:

[0107] Step S021: In the waterless state, the first water pump 440 is driven to operate sequentially with the first voltage drive value and the second voltage drive value, corresponding to the collected current value of the first water pump 440.

[0108] It should be noted that the first voltage drive value and the second voltage drive value cannot be zero.

[0109] Step S022: Substitute the first voltage drive value and the corresponding collected first water pump 440 current value, the second voltage drive value and the corresponding collected first water pump 440 current value into the relationship function respectively, calculate the coefficient of the second power of the first water pump 440 voltage drive value as a, the coefficient of the first power of the first water pump 440 voltage drive value as b, and obtain the idling function.

[0110] It should be noted that after substituting the first voltage drive value and the corresponding collected current value of the first water pump 440, the second voltage drive value and the corresponding collected current value of the first water pump 440 into the relational function (i.e., the above formula (1)), the following set of equations can be obtained:

[0111]

[0112] Wherein, A1 is the first water pump 440 current value collected corresponding to the first voltage drive value, P1 is the first voltage drive value, A2 is the first water pump 440 current value collected corresponding to the second voltage drive value, and P2 is the second voltage drive value.

[0113] In other embodiments, to improve the accuracy of the determined idling function, after step S022, the first water pump 440 can be driven to operate with a preset voltage drive value in a waterless state, corresponding to the collected current value of the first water pump 440; then, the preset voltage drive value is substituted into the idling function determined in step S022 to obtain the first current value; next, it is determined whether the difference between the first current value and the first water pump 440 current value collected corresponding to the preset voltage drive value is within a preset error range. If the difference between the first current value and the first water pump 440 current value collected corresponding to the preset voltage drive value is outside the preset error range, steps S021 and S022 are re-executed to redetermine the idling function. The preset voltage drive value is not zero; it can be a default value or determined based on the first and second voltage drive values, for example, using the average of the first and second voltage drive values ​​as the preset voltage drive value.

[0114] Furthermore, step S02 may also include:

[0115] Step S023: Under normal water supply conditions, the first water pump 440 is driven to operate sequentially with the third voltage drive value and the fourth voltage drive value, corresponding to the collected current value of the first water pump 440.

[0116] It should be noted that the third and fourth voltage drive values ​​cannot be zero.

[0117] Step S024: Substitute the third voltage drive value and the corresponding collected first water pump 440 current value, the fourth voltage drive value and the corresponding collected first water pump 440 current value into the relationship function respectively, calculate the coefficient of the second power of the first water pump 440 voltage drive value as a, the coefficient of the first power of the first water pump 440 voltage drive value as b, and obtain the normal operation function.

[0118] It should be noted that after substituting the third voltage drive value and the corresponding collected current value of the first water pump 440, and the fourth voltage drive value and the corresponding collected current value of the first water pump 440 into the relational function (i.e., the above formula (1)), the following set of equations can be obtained:

[0119]

[0120] Wherein, A3 is the current value of the first water pump 440 collected corresponding to the third voltage drive value, P3 is the third voltage drive value, A4 is the current value of the first water pump 440 collected corresponding to the fourth voltage drive value, and P4 is the fourth voltage drive value.

[0121] In other embodiments, to improve the accuracy of the determined normal operating function, after step S024, the first water pump 440 can be driven to operate with a preset voltage drive value under normal water supply conditions, corresponding to the collected current value of the first water pump 440; then, the preset voltage drive value is substituted into the normal operating function determined in step S024 to obtain the second current value; next, it is determined whether the difference between the second current value and the first water pump 440 current value collected corresponding to the preset voltage drive value is within a preset error range. If the difference between the second current value and the first water pump 440 current value collected corresponding to the preset voltage drive value is outside the preset error range, steps S023 and S024 are re-executed to re-determine the normal operating function. The preset voltage drive value is not zero; it can be a default value or determined based on the third and fourth voltage drive values, for example, the average of the third and fourth voltage drive values ​​can be used as the preset voltage drive value.

[0122] It should be noted that the above embodiments are only used to understand this application and do not constitute a limitation on the water supply detection method of the tea bar machine 10 of this application. Any simple modifications based on this technical concept are within the protection scope of this application.

[0123] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A tea bar machine, characterized in that, The tea bar machine includes: The main body has a water receiving platform formed on its upper end surface for placing a kettle, and a water storage chamber for placing a water storage component inside the main body. The bar counter support is erected on one side of the water receiving platform; The bar counter section is connected to the side of the bar counter support section away from the water receiving platform, and the bar counter section is provided with a first water outlet; and An instant heating component is disposed on the bar counter support. The instant heating component has an instant heating inlet and an instant heating outlet. The instant heating inlet is connected to a water storage device through a pipe, and the instant heating outlet is connected to a first water outlet through a pipe. The instant heating component includes an instant heating bracket, an instant heating pipe, and a first water pump. The instant heating pipe and the first water pump are installed on the instant heating bracket, and the first water pump is used to supply water to the instant heating pipe. The water supply detection method for the tea bar machine includes: Obtain the pulse width signal and current value of the first water pump; Based on the pulse width signal of the first water pump, the current value during idling and the current value during normal operation corresponding to the current pulse width are calculated. Based on the current value during idling and the current value during normal operation, the current value is limited to obtain the current value after the limit is reached. Based on the current value after the limit switch, the current value during idling, and the current value during normal operation, the difference between the current value after the limit switch and the current value during idling is calculated to obtain a first current difference. The difference between the current value during normal operation and the current value during idling is calculated to obtain a second current difference. The ratio of the first current difference to the second current difference is calculated to obtain the water flow sufficiency of the first water pump.

2. The tea bar machine as described in claim 1, characterized in that, The instant heating bracket is installed inside the bar counter support, the instant heating pipe is vertically installed on the instant heating bracket, and the instant heating inlet and the instant heating outlet are located at opposite ends of the instant heating pipe along its length.

3. The tea bar machine as described in claim 2, characterized in that, The instant heating component also includes an instant heating control board, which is installed on the instant heating bracket and located on one side of the instant heating pipe.

4. The tea bar machine as described in claim 3, characterized in that, The first water pump is located below the instant heating pipe and the instant heating electronic control board.

5. The tea bar machine as described in claim 1, characterized in that, The step of calculating the current value during idling and the current value during normal operation corresponding to the current pulse width based on the pulse width signal of the first water pump includes: The pulse width signal of the first water pump is substituted into the preset idling function and normal operation function respectively to calculate the current value during idling and the current value during normal operation corresponding to the current pulse width.

6. The tea bar machine as described in claim 5, characterized in that, The step of limiting the current value based on the idling current value and the normal operating current value to obtain the limited current value includes: When the current current value is greater than the current value during normal operation, the current current value is the current value during normal operation. When the current current value is less than the current value during idling, the current current value is the current value during idling. When the current current value is between the current value during idling and the current value during normal operation, the current current value remains unchanged.

7. The tea bar machine as described in any one of claims 1-6, characterized in that, The water supply detection method for the tea bar machine also includes: A normal water output test was performed on the first water pump to obtain the relationship function between the voltage drive value of the first water pump and the current detection value of the first water pump. The relationship function is calibrated to obtain the idling function and the normal working function, which are then saved.

8. The tea bar machine as described in claim 7, characterized in that, The relationship function is a linear function, and the coefficient of the second power of the first water pump voltage drive value is a, and the coefficient of the first power of the first water pump voltage drive value is b.

9. The tea bar machine as described in claim 2, characterized in that, The bar counter support includes a support housing and a support back plate, which together form an installation cavity. The instant heating component is disposed in the installation cavity and connected to the support housing.

10. The tea bar machine as described in claim 9, characterized in that, The instant heating bracket is provided with multiple connection holes, and the support shell is provided with multiple positioning posts. The connection holes and the positioning posts are matched and connected by screws.

11. The tea bar machine as described in claim 2, characterized in that, The bar counter is also equipped with a second water outlet, and the instant heating pipe is located on the side of the instant heating bracket near the first water outlet.

12. The tea bar machine as described in any one of claims 1 to 6, characterized in that, The bar counter is also equipped with a second water outlet, and the bar counter support is also equipped with a reversing valve. The reversing valve has a reversing inlet, a first reversing outlet and a second reversing outlet. The reversing inlet is connected to the instant hot water outlet, the first reversing outlet is connected to the first water outlet, and the second reversing outlet is connected to the second water outlet.

13. The tea bar machine as described in claim 12, characterized in that, In the horizontal direction, the distance between the reversing valve and the first outlet is less than the distance between the reversing valve and the second outlet.

14. The tea bar machine as described in any one of claims 1 to 6, characterized in that, The tea bar machine also includes a refrigeration component, which is disposed inside the main body. One end of the refrigeration component is connected to a water storage component, and the other end is connected to the first water outlet.

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