Coffee machine
By incorporating a hot water tank, spray nozzle, and air pump into the coffee machine, and using a solenoid valve to control liquid flow and an air pump to remove residual liquid, the problem of residual liquid in the coffee machine's piping is solved, thus improving the equipment's lifespan and maintenance efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-03-27
AI Technical Summary
After use, liquid residue can easily remain in the internal pipes of existing coffee machines, leading to limescale formation and affecting the brewing results the next time.
A coffee machine has been designed, which includes a hot water tank, a spray head, and an air pump. The flow of liquid is controlled by a solenoid valve, and the air pump discharges the residual liquid in the spray head after brewing to prevent liquid residue.
It effectively removes residual liquid from the spray head and pipes, reduces scale buildup, extends the service life of the spray head, and reduces maintenance frequency and costs.
Smart Images
Figure CN224038963U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee machine equipment technical field, specifically, relate to coffee machine. BACKGROUND
[0002] With people's coffee drinking frequency unceasingly improves, more and people's use demand of coffee machine also more and more. Coffee machine brewing production coffee's structural principle has been very mature, and operation process is also relatively simple, thus has been favored by many consumers.
[0003] However, the coffee machine in the prior art will temporarily retain liquid in the internal pipeline after actual use, and the residual liquid is easy to form scale in the pipeline, and the residual liquid will cause adverse effects on the next brewing. UTILITARY MODEL
[0004] The utility model aims at providing a coffee machine to alleviate the technical problem of residual liquid in the pipeline in the prior art.
[0005] In a first aspect, the utility model provides a coffee machine, which comprises a coffee machine shell, a hot water tank, a water inlet, an air pump and a spray head.
[0006] The hot water tank is arranged inside the coffee machine shell, the spray head is arranged on the coffee machine shell, and the hot water tank is provided with a heating element.
[0007] The upper part of the hot water tank is provided with a first drain port, the first drain port is connected with the spray head through an electromagnetic valve, and the height of the first drain port is higher than that of the spray head.
[0008] The air pump is arranged inside the coffee machine shell, and the air pump is connected with the spray head, so that the air pump can discharge the residual liquid in the spray head.
[0009] The hot water tank is connected with the water inlet through an electromagnetic valve.
[0010] In combination with the first aspect, the utility model provides a possible implementation manner of the first aspect, wherein the coffee machine shell is provided with a cold and hot water outlet, and the cold and hot water outlet is connected with the water inlet through an electromagnetic valve.
[0011] In combination with the first aspect, the utility model provides a possible implementation manner of the first aspect, wherein a cold water flow meter is arranged between the water inlet and the cold and hot water outlet.
[0012] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein the upper portion of the hot water tank is provided with a second drain port, and the second drain port is connected with the cold-hot water outlet through an electromagnetic valve.
[0013] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein the top of the hot water tank is provided with a pressure relief pipe, and the pressure relief pipe is connected with the spray head.
[0014] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein the upper portion of the hot water tank is provided with a third drain port, the bypass water outlet is arranged on the outer side of the spray head on the coffee machine shell, and the third drain port is connected with the bypass water outlet through an electromagnetic valve.
[0015] The brewing funnel is provided with a flow guide port matched with the bypass water outlet, so that the bypass water outlet can flush water between the brewing funnel and the coffee filter paper.
[0016] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein a plurality of water outlets are arranged on the spray head.
[0017] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein an ID card reading module is arranged inside the coffee machine shell, and an ID card module is arranged inside the brewing funnel.
[0018] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein a plurality of heating elements are arranged in the hot water tank, and the plurality of heating elements can be controlled individually.
[0019] With reference to the first aspect, the utility model embodiment provides a possible implementation of the first aspect, wherein the heating element is a heating coil.
[0020] Advantages:
[0021] The utility model embodiment provides a coffee machine, which comprises a coffee machine shell, a hot water tank, a water inlet element, an air pump and a spray head; the hot water tank is arranged inside the coffee machine shell, the spray head is arranged on the coffee machine shell, and a heating element is arranged in the hot water tank; the upper portion of the hot water tank is provided with a first drain port, the first drain port is connected with the spray head through an electromagnetic valve, and the height of the first drain port is higher than the height of the spray head; the air pump is arranged inside the coffee machine shell, and the air pump is connected with the spray head, so that the air pump can discharge the remaining liquid in the spray head; and the hot water tank is connected with the water inlet element through the electromagnetic valve.
[0022] Specifically, the water inlet part of the coffee machine is connected with a water faucet or a water supply tank in the room. When a user uses the coffee machine, water from outside enters the hot water tank through the water inlet part. The hot water tank heats the water inside. When coffee needs to be brewed, the electromagnetic valve between the first drain port and the spray head is opened. Hot water in the hot water tank is supplied to the spray head 500 by gravity flow to extract and brew coffee in the brewing funnel 700. When the brewing is completed, the air pump 400 works. The air pump 400 inflates the spray head 500, so that the residual liquid in the spray head 500 is discharged, so that there is no residual liquid in the spray head 500 and the pipeline, so that the next time brewing will not be affected by the residual liquid. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application. Those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0024] Figure 1 The structure schematic view of the coffee machine when the brewing funnel is installed is provided for the embodiment of the present application.
[0025] Figure 2 The structure schematic view of the coffee machine when the brewing funnel is not installed is provided for the embodiment of the present application.
[0026] Figure 3 The internal structure schematic view of the coffee machine is provided for the embodiment of the present application.
[0027] Figure 4 The side view of the coffee machine is provided for the embodiment of the present application.
[0028] Figure 5 The schematic view of the hot water tank in the coffee machine is provided for the embodiment of the present application.
[0029] Figure 6 The internal schematic view of the hot water tank in the coffee machine is provided for the embodiment of the present application.
[0030] Figure 7 The schematic view of the brewing funnel in the coffee machine is provided for the embodiment of the present application.
[0031] Icon:
[0032] 100-coffee machine shell; 110-cold and hot water outlet; 120-ID card reading module; 130-cold water flowmeter;
[0033] 200 - hot water tank; 210 - heating element; 220 - first drain; 230 - second drain; 240 - third drain; 250 - bypass water outlet; 260 - pressure relief pipe;
[0034] 300 - water inlet;
[0035] 400 - air pump;
[0036] 500 - spray head;
[0037] 600 - touch display screen;
[0038] 700 - brewing funnel; 710 - flow guide; 720 - ID card module. DETAILED DESCRIPTION
[0039] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0041] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0042] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's interaction relationship.For the ordinary skill in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.
[0043] The utility model will be described further in detail below by specific embodiments and in conjunction with the drawings.
[0044] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 And Figure 7 As shown, the embodiment provides a coffee machine, including coffee machine shell 100, hot water tank 200, water inlet piece 300, air pump 400 and spray head 500;Hot water tank 200 is arranged inside coffee machine shell 100, spray head 500 is arranged on coffee machine shell 100, and heating element 210 is arranged in hot water tank 200;The upper portion of hot water tank 200 is provided with first drain 220, and first drain 220 is connected with spray head 500 through electromagnetic valve, and the height of first drain 220 is higher than the height of spray head 500;Air pump 400 is arranged inside coffee machine shell 100, and air pump 400 is connected with spray head 500, so that air pump 400 can discharge the remaining liquid in spray head 500;Hot water tank 200 is connected with water inlet piece 300 through electromagnetic valve.
[0045] Specifically, the water inlet piece 300 of the coffee machine is connected with the faucet or water supply tank in the room, the hot water tank 200 is connected with the water inlet piece 300 through the electromagnetic valve, when the user uses the coffee machine, the water from outside enters the hot water tank 200 through the water inlet piece 300, the hot water tank 200 heats the water inside, when the coffee is needed to be brewed, the electromagnetic valve between the first drain 220 and the spray head 500 is opened, the hot water in the hot water tank 200 is supplied to the spray head 500 by gravity flow to extract and brew the coffee in the brewing funnel 700, when the brewing is completed, the air pump 400 works, the air pump 400 inflates the spray head 500, so that the residual liquid in the spray head 500 is discharged, so that there is no residual liquid in the spray head 500 and the pipeline, so that the next time the brewing is not affected by the residual liquid.
[0046] It should be noted that through the setting of the air pump 400, after each coffee brewing is completed, the air pump 400 can inflate and empty the shower head 500, reduce the liquid residue in the shower head 500, reduce the degree of scale accumulation in the shower head 500, increase the single-use service life of the shower head 500, reduce the maintenance frequency of the shower head 500, and reduce the maintenance cost.
[0047] The water inlet device 300 is provided with a solenoid valve or is an electromagnetic valve, and the hot water tank 200 is provided with a liquid level sensor. When the water level in the hot water tank 200 decreases to a set height, the water inlet device 300 is opened, and water from the outside can enter the hot water tank 200 from the bottom of the hot water tank 200. The heating device 210 is located at the lower part of the hot water tank 200, so that the water with lower temperature can be heated by the heating device 210 first, thereby improving the heating efficiency of the hot water tank 200.
[0048] The coffee machine housing 100 is provided with a touch display screen 600, and the touch display screen 600 is connected with a controller. The controller is connected with each component in the coffee machine, so that the user can control the overall work of the coffee machine device on the touch display screen 600.
[0049] It should be noted that before the coffee machine starts to brew, a small amount of water is used to wet the coffee powder, and then the coffee powder is formally brewed after the release of carbon dioxide in the coffee powder, thereby reducing the astringent feeling of the coffee. During subsequent brewing, the coffee machine sets the pulse frequency interval according to the actual use and different raw materials, so as to fully develop the flavor of the raw materials.
[0050] The heating device 210 is a heating coil pipe. The hot water tank 200 is provided with a plurality of heating devices 210, and the plurality of heating devices 210 can be controlled independently. The plurality of heating devices 210 can be heated simultaneously or work individually according to the requirement.
[0051] Referring to Figure 1 - Figure 7 In the optional scheme of the embodiment, the coffee machine housing 100 is provided with a cold and hot water outlet 110, and the cold and hot water outlet 110 is connected with the water inlet device 300 through a solenoid valve.
[0052] The water inlet device 300 and the cold and hot water outlet are provided with a cold water flow meter 130. The cold water flow meter 130 is added in the cold water channel to solve the problem of different tastes caused by unstable water pressure.
[0053] The upper part of the hot water tank 200 is provided with a second drain port 230, and the second drain port 230 is connected with the cold and hot water outlet 110 through a solenoid valve.
[0054] Specifically, the cold and hot water outlet 110 is arranged on the coffee machine shell 100, and cold and hot water can be discharged from the cold and hot water outlet 110. Users can adjust the temperature of the cold and hot water outlet 110 according to their needs.
[0055] Referring to Figure 1 - Figure 7 As shown in the optional solution of the embodiment, the top of the hot water tank 200 is provided with a pressure relief pipe 260. Through the arrangement of the pressure relief pipe 260, the air pressure in the hot water tank 200 can be balanced, so that the water outlet is smooth, the flow rate is stable, and the accuracy of the water outlet is guaranteed.
[0056] Referring to Figure 1 - Figure 7 As shown in the optional solution of the embodiment, the upper part of the hot water tank 200 is provided with a third drain port 240, and the bypass water outlet 250 is arranged on the outside of the coffee machine shell 100. The third drain port 240 is connected with the bypass water outlet 250 through an electromagnetic valve; the brewing funnel 700 is provided with a flow guide port 710 matched with the bypass water outlet 250, so that the bypass water outlet 250 can flush water between the brewing funnel 700 and the coffee filter paper.
[0057] Referring to Figure 1 - Figure 7 As shown in the optional solution of the embodiment, a plurality of water outlets are arranged on the spray head 500.
[0058] Specifically, a plurality of water outlets are arranged on the spray head 500, so as to ensure that hot water can uniformly cover coffee powder and avoid uneven extraction caused by channeling effect.
[0059] Referring to Figure 1 - Figure 7 As shown in the optional solution of the embodiment, the coffee machine shell 100 is internally provided with an ID card reading module 120, and the brewing funnel 700 is internally provided with an ID card module 720 (Identification Card).
[0060] Specifically, the ID card reading module 120 is used in cooperation with the ID card module 720 to detect whether the currently used brewing funnel 700 is consistent with the selected formula before brewing starts, so as to reduce waste and trouble caused by misoperation.
[0061] In addition, different brewing funnels 700 are provided with different ID card modules 720.
[0062] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the present application examples.
Claims
1. A coffee machine, characterized in that, include: Coffee machine housing (100), hot water tank (200), water inlet (300), air pump (400) and spray head (500); The hot water tank (200) is located inside the coffee machine housing (100), the spray head (500) is located on the coffee machine housing (100), and the hot water tank (200) is equipped with a heating element (210); The hot water tank (200) is provided with a first drain outlet (220) at the top. The first drain outlet (220) is connected to the shower head (500) through a solenoid valve. The height of the first drain outlet (220) is higher than the height of the shower head (500). The air pump (400) is disposed inside the coffee machine housing (100) and is connected to the spray head (500) so that the air pump (400) can discharge the remaining liquid in the spray head (500); The hot water tank (200) is connected to the water inlet (300) via a solenoid valve.
2. The coffee machine according to claim 1, characterized in that, The coffee machine housing (100) is provided with hot and cold water outlets (110), which are connected to the water inlet (300) via a solenoid valve.
3. The coffee machine according to claim 2, characterized in that, A cold water flow meter (130) is installed between the water inlet (300) and the hot and cold water outlet.
4. The coffee machine according to claim 2, characterized in that, The upper part of the hot water tank (200) is provided with a second drain outlet (230), which is connected to the hot and cold water outlet (110) through a solenoid valve.
5. The coffee machine according to claim 1, characterized in that, The hot water tank (200) is provided with a third drain outlet (240) at the top, and the coffee machine housing (100) is provided with a bypass outlet (250) on the outside of the spray head (500). The third drain outlet (240) is connected to the bypass outlet (250) through a solenoid valve. The brewing funnel (700) is provided with a guide port (710) adapted to the bypass outlet (250) so that water can be poured between the brewing funnel (700) and the coffee filter paper.
6. The coffee machine according to claim 1, characterized in that, The hot water tank (200) is equipped with a pressure relief pipe (260) at the top.
7. The coffee machine according to any one of claims 1-6, characterized in that, The spray head (500) has multiple water outlets.
8. The coffee machine according to claim 1, characterized in that, The coffee machine housing (100) is equipped with an ID card reader module (120), and the brewing funnel (700) is equipped with an ID card module (720).
9. The coffee machine according to any one of claims 1-6, characterized in that, The hot water tank (200) is equipped with multiple heating elements (210), and each heating element (210) can be controlled individually.
10. The coffee machine according to claim 9, characterized in that, The heating element (210) is a heating coil.