Direct injection type steam heating device of coffee machine

Abstract

The utility model discloses a direct injection type steam heating device of a coffee machine, which comprises a water pump body and an instant heating block, the water pump body is arranged outside the instant heating block, and a one-way valve is arranged between the water pump body and the instant heating block. An adjustable pressure type pressure release valve is arranged outside the instant heating block on one side of the one-way valve, a switch valve is arranged on the side, away from the adjustable pressure type pressure release valve, of the exterior of the instant heating block, a steam pipe is installed on the outer wall of the switch valve, and the steam pipe extends into the switch valve; a temperature detector is installed in the instant heating block, and the temperature detector is fixedly connected with the instant heating block. Simple, stable and efficient operation of the direct injection type steam heating device of the coffee machine is achieved, simple and reliable operation of the heating device is facilitated, later use and maintenance are convenient, and the service life of the water pump is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of direct injection steam heating devices, and particularly to a direct injection steam heating device for a coffee machine. Background Technique

[0002] Coffee is a beverage that we often drink. It can also help us refresh ourselves during work, so as to maintain a good mental state at work. Therefore, coffee machines are very commonly used in our lives. There are various types of coffee machines on the market currently. When a coffee machine is working, there is a high-pressure chamber in its coffee pot. Therefore, when making coffee, this high-pressure chamber will heat the water in the coffee machine, generating a large amount of steam. The steam of the coffee machine is used for making milk foam and heating milk. During the process of making milk coffee, the extracted concentrated liquid needs to be blended with milk. After being whipped and heated by the steam system, it is easier to blend with the extracted concentrated liquid, making the taste more rich.

[0003] As disclosed in a coffee machine waterway system with the authorization announcement number CN221383266U, it includes a water tank heating module, which includes a diversion joint, a coffee brewing device, a hot water brewing nozzle, and a steam output part. The input end of the diversion joint is connected to the water tank heating module, and the output end of the diversion joint is respectively connected to the coffee brewing device, the hot water brewing nozzle, and the steam output part; the coffee brewing device is provided with a pressure relief mechanism and a pressure relief port connected to the pressure relief mechanism, and the pressure relief port is communicated with the outside.

[0004] Although it realizes the combination of the waterway system using a diversion interface and a pressure relief mechanism, adding a pressure relief process on the basis of meeting the functions of brewing coffee, brewing hot water, and making milk foam, and using the pressure relief device to evacuate and discharge the air accumulated in the coffee machine cavity, reducing the pressure in the coffee machine cavity, so that the coffee machine can smoothly execute the brewing process, avoiding splashing when forced to press for brewing, ensuring the normal use of users, improving the safety of the equipment, and improving the user experience.

[0005] However, it does not solve the problem that the existing such direct injection steam heating devices are generally not conducive to simple, stable and efficient operation during use, not convenient for later convenient use and maintenance, and affecting the service life of the water pump. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a direct injection steam heating device for a coffee machine, so as to solve the problems that the direct injection steam heating device is not convenient for simple, stable and efficient operation, not convenient for later convenient use and maintenance, and affecting the service life of the water pump as proposed in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solutions: A direct-injection steam heating device for a coffee machine, comprising a water pump body and an instant heating block. The instant heating block is externally provided with the water pump body. A one-way valve is provided between the water pump body and the instant heating block. An adjustable pressure relief valve is provided outside the instant heating block on one side of the one-way valve. A switch valve is provided on the side of the instant heating block away from the adjustable pressure relief valve. A steam pipe is installed on the outer wall of the switch valve and extends into the switch valve. A temperature detector is installed inside the instant heating block and is fixedly connected to the instant heating block. A steam connection pipe is installed on the side of the switch valve close to the instant heating block and extends into the instant heating block. A connection pipe is installed on the side of the adjustable pressure relief valve close to the instant heating block and extends into the instant heating block. A delivery pipe is installed on the side of the adjustable pressure relief valve close to the one-way valve and extends into the one-way valve.

[0008] Preferably, a water supply pipe is installed at one end of the one-way valve close to the water pump body and extends into the water pump body.

[0009] Preferably, a liquid inlet pipe is installed on the outer wall of the water pump body. One end of the liquid inlet pipe extends into the water pump body, and the other end extends outside the water pump body.

[0010] Preferably, a controller is installed on the outer wall of the instant heating block. The output end of the controller is electrically connected to the input ends of the water pump body, the one-way valve, the adjustable pressure relief valve, the temperature detector, the instant heating block, and the switch valve.

[0011] Compared with the prior art, the beneficial effects of the present utility model are: The direct-injection steam heating device not only realizes the simple, stable and efficient operation of the direct-injection steam heating device for a coffee machine, facilitates the simple and reliable operation of the heating device, is convenient for later use and maintenance, but also extends the service life of the water pump.

[0012] It is connected to the water bucket of the coffee machine through the liquid inlet pipe, and the controller controls the instant heating block to heat, so that the temperature after heating inside the instant heating block can be used immediately. Water enters the inside of the water pump body through the liquid inlet pipe, is pressurized by the water pump body and transported to the inside of the one-way valve through the water supply pipe, is transported to the inside of the adjustable pressure relief valve through the one-way valve through the delivery pipe, and is transported to the inside of the instant heating block through the adjustable pressure relief valve through the connecting pipe. The adjustable pressure relief valve plays a role in safety protection and pressure relief. The instant heating block heats the water to form steam. The steam enters the inside of the switch valve through the steam connecting pipe, and the steam is discharged through the steam pipe. This direct injection technology saves costs, is simple and reliable, and is convenient and fast for later use and maintenance. It can extend the service life of the water pump and reduce noise during use. Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the system framework structure of the present utility model.

[0014] In the figure: 1. Liquid inlet pipe; 2. Water pump body; 3. One-way valve; 4. Adjustable pressure relief valve; 5. Instant heating block; 6. Switch valve; 7. Steam pipe; 8. Steam connecting pipe; 9. Temperature detector; 10. Connecting pipe; 11. Delivery pipe; 12. Water supply pipe; 13. Controller. Detailed Embodiment

[0015] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the drawings and preferred embodiments, details the specific embodiments, structures, features and their effects of the present utility model as follows.

[0016] Please refer to Figure 1, an embodiment provided by the present utility model: a direct-injection steam heating device for a coffee machine, comprising a water pump body 2 and an instant heating block 5. The water pump body 2 is disposed outside the instant heating block 5. The water pump body 2 serves to accelerate the flow of liquid. A one-way valve 3 is provided between the water pump body 2 and the instant heating block 5. The one-way valve 3 serves to control the one-way flow. An adjustable pressure relief valve 4 is disposed outside the instant heating block 5 on one side of the one-way valve 3. A switch valve 6 is disposed outside the instant heating block 5 on the side away from the adjustable pressure relief valve 4. The switch valve 6 is an electromagnetic valve. A steam pipe 7 is installed on the outer wall of the switch valve 6, and the steam pipe 7 extends into the interior of the switch valve 6. A temperature detector 9 is installed inside the instant heating block 5, and the temperature detector 9 is fixedly connected to the instant heating block 5. The temperature detector 9 serves to detect the temperature. A steam connection pipe 8 is installed on the side of the switch valve 6 close to the instant heating block 5, and the steam connection pipe 8 extends into the interior of the instant heating block 5. A connection pipe 10 is installed on the side of the adjustable pressure relief valve 4 close to the instant heating block 5, and the connection pipe 10 extends into the interior of the instant heating block 5. A delivery pipe 11 is installed on the side of the adjustable pressure relief valve 4 close to the one-way valve 3, and the delivery pipe 11 extends into the interior of the one-way valve 3.

[0017] One end of the one-way valve 3 close to the water pump body 2 is provided with a water supply pipe 12, and the water supply pipe 12 extends into the interior of the water pump body 2. A liquid inlet pipe 1 is installed on the outer wall of the water pump body 2, and one end of the liquid inlet pipe 1 extends into the interior of the water pump body 2, and the other end of the liquid inlet pipe 1 extends outside the water pump body 2;

[0018] A controller 13 is installed on the outer wall of the instant heating block 5, and the output end of the controller 13 is electrically connected to the input ends of the water pump body 2, the one-way valve 3, the adjustable pressure relief valve 4, the temperature detector 9, the instant heating block 5, and the switch valve 6.

[0019] It is connected to the water bucket of the coffee machine through the liquid inlet pipe 1. The controller 13 receives the signal feedback from the temperature detector 9. When the temperature inside the instant heating block 5 is lower than the rated value of the temperature detector 9, the controller 13 controls the instant heating block 5 to heat up, so that the temperature after heating inside the instant heating block 5 can be used immediately when turned on. When steam needs to be output, the controller 13 is operated to turn on the water pump body 2. Driven by the water pump body 2, water enters the inside of the water pump body 2 through the liquid inlet pipe 1, is pressurized by the water pump body 2 and then transported to the inside of the one-way valve 3 through the water supply pipe 12, is transported to the inside of the adjustable pressure relief valve 4 through the transport pipe 11 by the one-way valve 3, and is transported to the inside of the instant heating block 5 through the connecting pipe 10 by the adjustable pressure relief valve 4. The adjustable pressure relief valve 4 plays a role in safety protection and pressure relief. The instant heating block 5 heats the water to form steam. The steam enters the inside of the switch valve 6 through the steam connecting pipe 8, and the steam is discharged through the steam pipe 7. This direct injection technology saves costs, is simple and reliable, and is convenient and fast for later use and maintenance. It can extend the service life of the water pump, reduce noise during use, and realizes the simple, stable and efficient operation of the direct injection type steam heating device of the coffee machine, facilitates the simple and reliable operation of the heating device, is convenient for later use and maintenance, and extends the service life of the water pump.

[0020] In the use of the embodiment of the present application: an external power supply is connected. First, it is connected to the water bucket of the coffee machine through the liquid inlet pipe 1. When steam needs to be output, driven by the water pump body 2, water enters the inside of the water pump body 2 through the liquid inlet pipe 1, is pressurized by the water pump body 2 and then transported to the inside of the one-way valve 3 through the water supply pipe 12, is transported to the inside of the adjustable pressure relief valve 4 through the transport pipe 11 by the one-way valve 3, and is transported to the inside of the instant heating block 5 through the connecting pipe 10 by the adjustable pressure relief valve 4. The adjustable pressure relief valve 4 plays a role in safety protection and pressure relief. The instant heating block 5 heats the water to form steam. The steam enters the inside of the switch valve 6 through the steam connecting pipe 8, and the steam is discharged through the steam pipe 7 to complete the use of the direct injection type steam heating device.

[0021] The above is only a preferred embodiment of the present invention, and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to make equivalent embodiments with equivalent changes, but as long as the technical content of the present invention is not departed from, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A direct-injection steam heating device for a coffee machine, characterized in that: It includes a water pump body (2) and an instant heating block (5). The instant heating block (5) is externally provided with the water pump body (2). A one-way valve (3) is arranged between the water pump body (2) and the instant heating block (5). An adjustable pressure relief valve (4) is arranged outside the instant heating block (5) on one side of the one-way valve (3). A switch valve (6) is arranged on the side of the instant heating block (5) far from the adjustable pressure relief valve (4). A steam pipe (7) is installed on the outer wall of the switch valve (6), and the steam pipe (7) extends into the switch valve (6). A temperature detector (9) is installed inside the instant heating block (5), and the temperature detector (9) is fixedly connected to the instant heating block (5). A steam connection pipe (8) is installed on the side of the switch valve (6) close to the instant heating block (5), and the steam connection pipe (8) extends into the instant heating block (5). A connection pipe (10) is installed on the side of the adjustable pressure relief valve (4) close to the instant heating block (5), and the connection pipe (10) extends into the instant heating block (5). A delivery pipe (11) is installed on the side of the adjustable pressure relief valve (4) close to the one-way valve (3), and the delivery pipe (11) extends into the one-way valve (3).

2. The direct injection steam heating device for a coffee machine according to claim 1, wherein: A water supply pipe (12) is installed at one end of the one-way valve (3) close to the water pump body (2), and the water supply pipe (12) extends into the water pump body (2).

3. The direct injection steam heating device for a coffee machine according to claim 1, wherein: A liquid inlet pipe (1) is installed on the outer wall of the water pump body (2). One end of the liquid inlet pipe (1) extends into the water pump body (2), and the other end of the liquid inlet pipe (1) extends outside the water pump body (2).

4. A direct injection steam heating device for a coffee machine according to claim 1, characterized in that: A controller (13) is installed on the outer wall of the instant heating block (5). The output end of the controller (13) is electrically connected to the input ends of the water pump body (2), the one-way valve (3), the adjustable pressure relief valve (4), the temperature detector (9), the instant heating block (5), and the switch valve (6).

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