Hot water tank and beverage equipment

Abstract

The utility model relates to the technical field of household appliances, and discloses a hot water tank and drink equipment, the hot water tank comprises a tank body, the tank body comprises a heating cavity and an overflow cavity, a communication hole is arranged between the heating cavity and the overflow cavity for mutual communication, and the overflow cavity is provided with a water outlet interface and a ventilation interface; the water outlet connector and the communicating hole are coaxially arranged, the water outlet connector is fixedly connected with the heating cavity, and a Venturi hole is formed in the joint of the water outlet connector and the heating cavity; the projection of the water outlet connector to the surface of the heating cavity is an annular area, and the connecting area of the water outlet connector and the heating cavity is 15%-25% of the area of the annular area. According to the scheme, the Venturi effect is utilized to generate an adsorption effect at the water inlet of the water outlet connector. In addition, by reducing the connecting area of the water outlet connector and the heating cavity, the situation that scale accumulates at the connecting position to block the Venturi hole is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a hot water tank and beverage equipment. Background Art

[0002] Beverage equipment includes coffee machines, water dispensers and other products. These devices usually have the function of heating or cooling beverages. Heating beverages usually requires a heating tank. Since the water contains mineral salts, scale will be generated during the heating process, which will block the flow of pipes.

[0003] Chinese patent CN202221940784.2 discloses a water dispenser heating assembly with a stable sealing connection structure, which relates to the technical field of heating assemblies, including a heating tank body, a heating assembly connected inside the heating tank body, and an anti-friction assembly on the lower surface of the heating assembly. By setting a sealing ring A, the heating pipe is tightly connected to the lower surface of the heating tank body, which has a certain sealing effect, making it difficult for water to penetrate, safe and reliable. If water leakage occurs, the cover can be removed to discharge the seepage from one end of the water outlet pipe. At the same time, a clamping ring is set to connect with the threaded connection groove through a threaded groove, and the clamping ring plays a lifting role on one end of the heating pipe. At the same time, the column is connected to the outer surface of the protrusion through a hollow collar, so that the heating pipe can be stably lifted. However, this solution cannot solve the problem of blockage of the water outlet pipe.

[0004] The utility model overcomes the shortcomings of the prior art and provides a hot water tank, which can solve the problem of blockage of the water outlet pipeline. Utility Model Content

[0005] The main purpose of the utility model is to provide a hot water tank, comprising a tank body, the tank body comprising a heating chamber and an overflow chamber, the heating chamber and the overflow chamber are connected, a connecting hole is provided between the heating chamber and the overflow chamber to communicate with each other, the heating chamber is provided with a water inlet interface, the overflow chamber is provided with a water outlet interface and a ventilation interface; the water outlet interface is coaxially arranged with the connecting hole, the water outlet interface is fixedly connected to the heating chamber, a Venturi hole is provided at the connection between the water outlet interface and the heating chamber, the aperture of the connecting hole is smaller than the aperture of the water outlet interface and the size of the Venturi hole; the water outlet interface is projected onto the surface of the heating chamber as an annular area, and the connection area between the water outlet interface and the heating chamber is 15%-25% of the area of ​​the annular area.

[0006] Optionally, the water outlet interface is inserted into the overflow chamber, the water outlet interface includes a water inlet end and a water outlet end, the water outlet end is connected to the water inlet end through a continuous and smooth tube body, the water outlet end is located outside the overflow chamber, and the water inlet end is located inside the overflow chamber; the water inlet end extends a plurality of curved bodies with contracted top ends along the direction of the tube body, the top ends of the curved bodies are fixedly connected to the surface of the heating chamber, and the side surfaces of adjacent curved bodies and the surface of the heating chamber form the Venturi hole.

[0007] Optionally, the curved surface of the curved body is an isosceles trapezoid after being flattened, the number of the curved bodies is two, which are symmetrically arranged, and the number of the Venturi holes is two, which are symmetrically arranged.

[0008] Optionally, the heating chamber is a cylindrical structure, and the connecting hole is arranged at the top of the heating chamber; the overflow chamber is a cylindrical structure, the bottom of the overflow chamber is open, and the opening shape matches the top of the heating chamber; the overflow chamber cover is arranged at the top of the heating chamber, and forms a closed cavity with the top surface of the heating chamber.

[0009] Optionally, the heating chamber is provided with a heating component, and the heating component is used for heating the water body. The heating chamber and the overflow chamber are connected by a partition.

[0010] Optionally, the heating assembly includes a spiral heating tube and an electrode, the electrode is connected to the spiral heating tube, the spiral heating tube is located inside the heating chamber, and the electrode is located outside the bottom of the heating chamber.

[0011] Optionally, the spiral heating tube is fixedly connected to the inner wall of the heating chamber via a fixing clamp.

[0012] Optionally, a support frame is included, which is arranged on the outer side of the heating chamber and is used to install a temperature sensor.

[0013] Optionally, a diffusion plate is included, the water inlet interface is located at the bottom of the heating chamber, the diffusion plate is arranged inside the heating chamber and above the water inlet interface, and the diffusion plate is provided with a plurality of through holes.

[0014] The utility model also provides a beverage device, comprising the above-mentioned hot water tank.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The hot water tank provided by the utility model heats water through a heating chamber, and the heated water is output through a water outlet interface of an overflow chamber. A venturi hole structure is provided at the connection between the water outlet interface and the heating chamber, and an adsorption effect is generated at the water inlet of the water outlet interface by using the venturi effect. In addition, by reducing the connection area between the water outlet interface and the heating chamber, scale is prevented from accumulating at the connection to block the venturi hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] One or more embodiments are exemplarily described by corresponding drawings, which do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and the figures in the drawings do not constitute proportional limitations unless otherwise stated.

[0018] Figure 1 This is a schematic diagram of an embodiment of a hot water tank of the utility model;

[0019] Figure 2 It is a schematic diagram of a partial cross-section of the top of an embodiment of a hot water tank of the utility model;

[0020] Figure 3 It is a partial cross-sectional schematic diagram of the bottom of the hot water tank embodiment of the utility model;

[0021] Figure 4 A half-section diagram of a hot water tank embodiment of the utility model Figure 1 ;

[0022] Figure 5 A half-section diagram of a hot water tank embodiment of the utility model Figure 2 .

[0023] Reference numerals:

[0024] 1-tank body; 11-heating chamber; 12-overflow chamber; 13-connecting hole; 2-water inlet interface; 3-water outlet interface; 31-water inlet end; 32-water outlet end; 33-tube body; 34-curved body; 4-ventilation interface; 5-Venturi hole; 6-heating component; 61-spiral heating tube; 62-electrode; 63-fixing clamp; 7-support frame; 8-diffuser plate; 81-through hole. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element, or there can be one or more centered elements between them. When an element is described as "connected" to another element, it can be directly connected to another element, or there can be one or more centered elements between them. The terms "vertical", "horizontal", "left", "right", "inside", "outside" and similar expressions used in this specification are only for illustrative purposes. In the description of the utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating relative importance or implicitly indicating the number of technical features indicated. Therefore, unless otherwise specified, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; "multiple" means two or more. The term "include" and any variation thereof means non-exclusive inclusion, and one or more other features, integers, steps, operations, units, components and / or combinations thereof may be present or added.

[0026] In addition, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or a connection between two components. All technical and scientific terms used in this specification have the same meaning as those generally understood by technicians in the technical field of the present utility model. The terms used in the specification of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0027] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0028] like Figure 1-5 , which is a schematic diagram of an embodiment of a hot water tank provided by the utility model.

[0029] Please refer to Figure 1-5 This embodiment is used for preparing and storing hot water in a beverage device, and includes a tank body 1, which includes a heating chamber 11 and an overflow chamber 12. The heating chamber 11 and the overflow chamber 12 are connected, and a connecting hole 13 is provided between the heating chamber 11 and the overflow chamber 12 to communicate with each other.

[0030] The heating chamber 11 is provided with a water inlet interface 2, and the overflow chamber 12 is provided with a water outlet interface 3 and a ventilation interface 4; the water outlet interface 3 is coaxially arranged with the communication hole 13, the water outlet interface 3 is fixedly connected with the heating chamber 11, and a venturi hole 5 is provided at the connection between the water outlet interface 3 and the heating chamber 11, and the aperture of the communication hole 13 is smaller than the aperture of the water outlet interface 3 and the size of the venturi hole 5. The venturi hole 5 can be specifically semi-elliptical.

[0031] The projection of the water outlet 3 onto the surface of the heating chamber 11 is an annular area, and the connection area between the water outlet 3 and the heating chamber 11 is 15%-25% of the annular area. The connection area between the water outlet 3 and the heating chamber 11 is small, so the area where scale accumulates and adheres is also small.

[0032] A venturi hole design at the connection between the water outlet interface and the heating chamber. In this design, the connection area between the water outlet interface and the heating chamber is large, and the venturi hole is small. Relatively hard water will produce more scale in a short time. If the user does not perform descaling operations in time, the scale accumulated at the connection may clog the venturi hole and cause the water inlet and outlet performance of the hot water tank to fail.

[0033] In this embodiment, the venturi hole 5 is designed as Figure 2 The structure is almost suspended in the air, leaving only a small bone position to be welded to the upper surface of the heating chamber 11 to increase strength and reliability, so that scale does not have enough attachments around the venturi hole 5, so scale cannot accumulate quickly in this area. In addition, this design enlarges the size of the venturi hole 5, and the movable scale that has been produced can be discharged to the outside of the hot water tank through the venturi hole 5 when the user puts hot water.

[0034] In one embodiment, the water outlet interface 3 is inserted into the overflow chamber 12, and the water outlet interface 3 includes a water inlet end 31 and a water outlet end 32, and the water outlet end 32 is connected to the water inlet end 31 through a continuous smooth tube body 33. The water outlet end 32 is located outside the overflow chamber 12, and the water inlet end 31 is located inside the overflow chamber 12. The water inlet end 31 extends a plurality of top contraction curved bodies 34 along the direction of the tube body 33, and the top of the curved body 34 is fixedly connected to the surface of the heating chamber 11, and the side surfaces of the adjacent curved bodies 34 and the surface of the heating chamber 11 form a venturi hole 5.

[0035] Specifically, Figure 4 As shown, the curved surface of the curved body 34 is flattened to be an isosceles trapezoid, and there are two curved bodies 34, which are symmetrically arranged, corresponding to the number of the two venturi holes 5, which are symmetrically arranged. The design of this water outlet interface 3 is convenient for production and manufacturing. During the production process, the water inlet end 31 of the water outlet interface 3 is cut with two symmetrical surfaces with a certain angle, and the plane at the cutting position is the area where the venturi hole 5 is located. After cutting, the shape of the water inlet end 31 is the curved body 34.

[0036] In one embodiment, the heating chamber 11 is a cylindrical structure, and the connecting hole 13 is provided at the top of the heating chamber 11. The overflow chamber 12 is a cylindrical structure, and the bottom of the overflow chamber 12 is open, and the shape of the opening matches the top of the heating chamber 11. The overflow chamber 12 is provided at the top of the heating chamber 11, and forms a closed chamber with the top surface of the heating chamber 11. This design facilitates the welding connection between the water outlet interface 3 and the heating chamber 11.

[0037] In one embodiment, the heating chamber 11 is provided with a heating component 6, and the heating component 6 is used for heating the water body. The heating chamber 11 and the overflow chamber 12 are made of heat-insulating materials, which can be alloy materials with low thermal conductivity, so as to facilitate heating the water body and keeping it warm. Specifically, the heating component 6 includes a spiral heating tube 61 and an electrode 62, and the electrode 62 is connected to the spiral heating tube 61. The spiral heating tube 61 is located inside the heating chamber 11, and the electrode 62 is located on the outside of the bottom of the heating chamber 11. The electrode 62 is connected to the circuit structure, and the spiral heating tube 61 generates heat after being energized to heat the water body in the heating chamber 11, and the spiral structure can increase the contact area with the water body. The spiral heating tube 61 is fixedly connected to the inner wall of the heating chamber 11 through a fixing clamp 63.

[0038] In one embodiment, a support frame 7 is further included, and the support frame 7 is arranged on the outer side of the heating chamber 11 for mounting a temperature sensor. The temperature sensor is used to detect and monitor the temperature of the water in the heating chamber 11, and the temperature sensor can be an NTC.

[0039] In one embodiment, a diffusion plate 8 is included. The water inlet interface 2 is located at the bottom of the heating chamber 11 . The diffusion plate 8 is arranged inside the heating chamber 11 and above the water inlet interface 2 . The diffusion plate 8 is provided with a plurality of through holes 81 .

[0040] The water supply enters the bottom of the heating chamber 11 through the water inlet interface 2, and the single fluid of the water inlet interface 2 is dispersed into multiple fluids through the through hole 81 of the diffusion plate 8, so that the water level in the heating chamber 11 is stably increased. The heating component 6 heats the water in the heating chamber 11, and the heated water enters the overflow chamber 12 from the connecting hole 13 under the water inlet pressure of the water inlet interface 2. If the water outlet interface 3 is connected, the hot water is sucked in through the venturi hole 5 and output from the water outlet interface 3. The ventilation interface 4 is used to maintain the pressure balance inside and outside the tank body 1.

[0041] The utility model also provides a beverage equipment embodiment, including the above-mentioned hot water tank embodiment, the beverage equipment can specifically be a beverage preparation device such as a coffee machine, a water dispenser, etc., and the hot water tank is used to provide hot water.

[0042] In summary, the hot water tank embodiment provided in this embodiment heats the water through the heating chamber, and the heated water is output through the water outlet interface of the overflow chamber. A Venturi hole structure is provided at the connection between the water outlet interface and the heating chamber, and the Venturi effect is used to produce an adsorption effect at the water inlet of the water outlet interface. In addition, by reducing the connection area between the water outlet interface and the heating chamber, scale is prevented from accumulating at the connection to block the Venturi hole.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may also be combined, the steps may be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Although the present invention has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hot water tank, characterized in that: The invention comprises a tank body, wherein the tank body comprises a heating chamber and an overflow chamber, the heating chamber and the overflow chamber are connected, a connecting hole is provided between the heating chamber and the overflow chamber so as to be connected to each other, the heating chamber is provided with a water inlet interface, and the overflow chamber is provided with a water outlet interface and a ventilation interface; the water outlet interface is coaxially arranged with the connecting hole, the water outlet interface is fixedly connected with the heating chamber, a venturi hole is provided at the connection between the water outlet interface and the heating chamber, the aperture of the connecting hole is smaller than the aperture of the water outlet interface and the size of the venturi hole; the water outlet interface is projected onto the surface of the heating chamber as an annular area, and the connection area between the water outlet interface and the heating chamber is 15%-25% of the area of ​​the annular area.

2. The hot water tank according to claim 1, characterized in that: The water outlet interface is inserted into the overflow chamber, and the water outlet interface includes a water inlet end and a water outlet end, the water outlet end is connected to the water inlet end through a continuous and smooth tube body, the water outlet end is located outside the overflow chamber, and the water inlet end is located inside the overflow chamber; the water inlet end extends a plurality of curved bodies with contracted top ends along the direction of the tube body, the top ends of the curved bodies are fixedly connected to the surface of the heating chamber, and the side surfaces of adjacent curved bodies and the surface of the heating chamber form the Venturi hole.

3. The hot water tank according to claim 2, characterized in that: The curved surface of the curved body is an isosceles trapezoid after being flattened. There are two curved bodies in number and they are symmetrically arranged. There are two Venturi holes in number and they are symmetrically arranged.

4. The hot water tank according to claim 1, characterized in that: The heating chamber is a cylindrical structure, and the connecting hole is arranged at the top of the heating chamber; the overflow chamber is a cylindrical structure, and the bottom of the overflow chamber is open, and the opening shape matches the top of the heating chamber. The overflow chamber cover is arranged at the top of the heating chamber and forms a closed cavity with the top surface of the heating chamber.

5. The hot water tank according to claim 1, characterized in that: The heating chamber is provided with a heating component, and the heating component is used for heating the water body. The heating chamber and the overflow chamber are connected via a partition.

6. The hot water tank according to claim 5, characterized in that: The heating assembly comprises a spiral heating tube and an electrode, wherein the electrode is connected to the spiral heating tube, the spiral heating tube is located inside the heating chamber, and the electrode is located outside the bottom of the heating chamber.

7. The hot water tank according to claim 6, characterized in that: The spiral heating tube is fixedly connected to the inner wall of the heating chamber via a fixing clamp.

8. The hot water tank according to claim 5, characterized in that: It comprises a support frame, which is arranged on the outer side of the heating chamber and is used for installing a temperature sensor.

9. The hot water tank according to claim 5, characterized in that: It comprises a diffusion plate, the water inlet interface is located at the bottom of the heating chamber, the diffusion plate is arranged inside the heating chamber and above the water inlet interface, and the diffusion plate is provided with a plurality of through holes.

10. A beverage device, characterized in that: The invention comprises a hot water tank as claimed in any one of claims 1 to 9.

Images