CN220529802U

CN220529802U - Temperature control device of coffee machine and coffee machine

Info

Publication number: CN220529802U
Application number: CN202322104865.XU
Authority: CN
Inventors: 郭建刚; 黄志明; 刘相锋
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-27
Anticipated expiration: 2033-08-04

Abstract

The utility model provides a temperature control device of a coffee machine and the coffee machine. The water pipe assembly comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected, the first pipeline is connected to a water outlet of the water pump, and the heating pipe is arranged on the outer wall of the second pipeline. The temperature detection assembly comprises a first temperature sensor, a second temperature sensor and a third temperature sensor. The control panel is used for receiving the first temperature value detected by the first temperature sensor and the second temperature value detected by the second temperature sensor, sending a first control instruction to the water pump, receiving the third temperature value detected by the third temperature sensor, and sending a second control instruction to the heating tube. The structure can accurately detect the temperature value of the liquid in different pipelines, and the control board can control the water pump and the heating pipe according to the detected temperature value, so that accurate control of water temperature is realized.

Description

Temperature control device of coffee machine and coffee machine

Technical Field

The utility model relates to the technical field of coffee brewing, in particular to a temperature control device of a coffee machine and the coffee machine.

Background

The structure of the traditional drip type high-temperature coffee machine is as follows: the high-power heating tube is used for heating water to achieve the aim of high temperature, but the heated water is influenced by water temperature, ambient temperature, a cold machine, a hot machine and the like, so that the temperature of the prepared coffee is unstable and may be higher or lower. For example, chinese patent publication No. CN104248350a discloses a coffee pot including a pot lid switch, a pot lid, a pot mouth, a coffee pot body, a cooling plate, a heating plate, a controller and a handle, wherein the coffee pot directly heats water through the heating plate and does not detect water temperature, which causes the problem that the heated water temperature is difficult to control, so that the water temperature is unstable, thereby affecting the taste of the subsequently brewed coffee liquid.

Disclosure of Invention

The utility model provides a temperature control device of a coffee machine and the coffee machine, which can accurately detect the temperature values of liquid in different pipelines through a temperature detection assembly, and a control board can control a water pump and a heating tube according to the temperature values detected by the temperature detection assembly, so that accurate control of water temperature is realized.

The embodiment of the utility model provides a temperature control device of a coffee machine, which comprises a water pump, a heating pipe and further comprises:

the water pipe assembly comprises a first pipeline, a second pipeline and a third pipeline which are sequentially connected, the first pipeline is connected to a water outlet of the water pump, the heating pipe is arranged on the outer wall of the second pipeline and is used for heating liquid flowing through the second pipeline, and the third pipeline is used for discharging the liquid heated in the second pipeline;

the temperature detection assembly comprises a first temperature sensor, a second temperature sensor and a third temperature sensor, wherein the first temperature sensor is arranged on the first pipeline, the second temperature sensor is arranged on the second pipeline, and the third temperature sensor is arranged on the third pipeline;

the control board is electrically connected with the water pump, the heating pipe, the first temperature sensor, the second temperature sensor and the third temperature sensor respectively, and is used for receiving a first temperature value detected by the first temperature sensor and a second temperature value detected by the second temperature sensor, sending a first control instruction to the water pump, receiving a third temperature value detected by the third temperature sensor and sending a second control instruction to the heating pipe. According to the temperature control device, the temperature values of the liquid in different pipelines can be accurately detected through the temperature detection assembly, and the control board can control the water pump and the heating tube according to the temperature values detected by the temperature detection assembly, so that accurate control of water temperature is realized.

In some embodiments, the temperature control device further comprises a flow meter disposed on the first conduit, and the flow meter is electrically connected to a control board for the control board to send the information of the flow rate of the liquid in the first conduit. The flow of the liquid in the first pipeline can be collected through the flowmeter, so that the control board can accurately control the water pump to work.

In some embodiments, the control board is further configured to send a first control instruction to the water pump to operate with a first water pumping amount when the first temperature value is equal to a first preset value and the second temperature value is equal to a second preset value. Therefore, the control board can accurately control the water pumping quantity of the water pump according to the first temperature value and the second temperature value.

In some embodiments, the control board is further configured to send a first control instruction to the water pump to operate with a second water pumping amount when the first temperature value is less than a first preset value and the second temperature value is less than a second preset value; wherein the second water extraction is less than the first water extraction. In this way, the control board can reduce the water pumping amount of the water pump as much as possible when the first temperature value and the second temperature value are reduced.

In some embodiments, the control board is further configured to send a first control instruction to the water pump to operate with a third water pumping amount when the first temperature value is greater than a first preset value and the second temperature value is less than a second preset value; wherein the third water extraction is greater than the second water extraction and less than the first water extraction. In this way, the control board can appropriately reduce the water pumping amount of the water pump when only the second temperature value is reduced.

In some embodiments, the control board is further configured to send a first control instruction to the water pump to operate with a fourth water pumping amount when the first temperature value is less than a first preset value and the second temperature value is greater than a second preset value; wherein the fourth water extraction is greater than the first water extraction. In this way, the control board can appropriately increase the water pumping amount of the water pump when only the first temperature value is reduced.

In some embodiments, the control board is further configured to send a first control instruction to the water pump to operate with a fifth water pumping amount when the first temperature value is greater than a first preset value and the second temperature value is greater than a second preset value; wherein the fifth water extraction is greater than the fourth water extraction. In this way, the control board can increase the water pumping amount of the water pump as much as possible when the first temperature value and the second temperature value are both increased.

In some embodiments, the control board is further configured to send a second control instruction to the heat pipe to operate in the first heating mode when the third temperature value is equal to a third preset value, and send a second control instruction to the heat pipe to operate in the second heating mode when the third temperature value is greater than the third preset value; the heat dissipation of the heating tube in the first heating mode is larger than that of the heating tube in the second heating mode, and the heating mode of the heating tube is at least related to the working power of the heating tube and/or the duty ratio of the heating tube. Therefore, the control panel can dynamically regulate and control the heat dissipated by the heating pipe according to the third temperature value.

In some embodiments, the control board is further configured to send a second control instruction to the heat pipe to operate in a third heating mode when the third temperature value is less than a third preset value; the heat emitted by the heating tube in the third heating mode is larger than the heat emitted by the heating tube in the first heating mode. Therefore, when the third temperature value is reduced, the control panel can dynamically regulate and control the heat quantity radiated by the heating pipe to be increased, so that the water temperature in the third pipeline is increased.

The embodiment of the utility model also provides a coffee machine, which comprises the temperature control device of the coffee machine. According to the temperature control device, the temperature values of the liquid in different pipelines can be accurately detected through the temperature detection assembly, and the control board can control the water pump and the heating tube according to the temperature values detected by the temperature detection assembly, so that accurate control of water temperature is realized.

Compared with the prior art, the embodiment of the utility model has the beneficial effects that: according to the utility model, the temperature detection assembly arranged on the water pipe assembly can respectively detect the temperature values of the liquid corresponding to the first pipeline, the second pipeline and the third pipeline, the operation of the water pump can be controlled by the first temperature value and the second temperature value, and the operation of the heating pipe can be controlled by the third temperature value, so that the accurate control of the water temperature is realized, and compared with the technical scheme that the water is heated only by the high-power heating pipe in the prior art, the stability of the heated liquid temperature can be improved, the temperature of the liquid discharged by the third pipeline can be accurately controlled by a user, and the taste of coffee liquid brewed by the liquid is improved. And through the structure, the coffee machine with small cup quantity can be realized, namely, the water temperature can be accurately controlled under the condition of less water quantity, and the purpose of preparing the coffee liquid meeting the requirements is achieved.

Drawings

In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.

FIG. 1 is a schematic view of a temperature control device of a coffee machine according to an embodiment of the present utility model;

fig. 2 is a block diagram showing a temperature control apparatus of a coffee machine according to an embodiment of the present utility model.

The reference numerals in the drawings denote components:

1-a water pump; 2-heating tubes; 3-a first pipe; 4-a second conduit; 5-a third pipe; 6-a first temperature sensor; 7-a second temperature sensor; 8-a third temperature sensor; 9-control panel; 10-a flow meter; 11-power panel.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and detailed description to enable those skilled in the art to better understand the technical scheme of the present utility model.

The embodiment of the utility model provides a temperature control device of a coffee machine. As shown in fig. 1 and 2, the temperature control device of the coffee maker includes a water pump 1, a heating tube 2, a water tube assembly, a temperature detection assembly, and a control board 9. The water pipe assembly comprises a first pipeline 3, a second pipeline 4 and a third pipeline 5 which are sequentially connected, the first pipeline 3 is connected to a water outlet of the water pump 1, the heating pipe 2 is arranged on the outer wall of the second pipeline 4 and used for heating liquid flowing through the second pipeline 4, and the third pipeline 5 is used for discharging the heated liquid in the second pipeline 4. The temperature detection assembly comprises a first temperature sensor 6, a second temperature sensor 7 and a third temperature sensor 8, wherein the first temperature sensor 6 is arranged on the first pipeline 3, the second temperature sensor 7 is arranged on the second pipeline 4, and the third temperature sensor 8 is arranged on the third pipeline 5. The control board 9 is electrically connected with the water pump 1, the heating tube 2, the first temperature sensor 6, the second temperature sensor 7 and the third temperature sensor 8 respectively, and the control board 9 is used for receiving the first temperature value detected by the first temperature sensor 6 and the second temperature value detected by the second temperature sensor 7, sending a first control instruction to the water pump 1, receiving the third temperature value detected by the third temperature sensor 8 and sending a second control instruction to the heating tube 2. Wherein the arrow direction shown in fig. 1 is the liquid flow direction.

Specifically, the first temperature sensor 6 is disposed near the junction of the first pipe 3 and the second pipe 4, and the second temperature sensor 7 and the third temperature sensor 8 are disposed near the junction of the second pipe 4 and the third pipe 5, respectively.

Specifically, the second pipe 4 may be configured as a U-shaped pipe, the heating tube 2 may be disposed in a U-shaped space formed by the U-shaped pipe, and the heating tube 2 is respectively attached to a portion of the U-shaped pipe located at two sides of the U-shaped space, so as to increase a contact area between the heating tube 2 and the second pipe 4, thereby improving heating efficiency of the heating tube 2 for the liquid in the second pipe 4.

Specifically, the temperature values detected by the first temperature sensor 6 and the second temperature sensor 7 can be used to control the water pumping amount of the water pump 1, so that the water pumping amount of the water pump 1 can be dynamically regulated.

Specifically, the temperature value detected by the third temperature sensor 8 can be used to control the heat emitted by the heating tube 2, so that the operation of the heating tube 2 can be dynamically regulated.

In particular, as shown in fig. 2, the temperature control device of the coffee machine may further comprise a power panel 11 for powering the control panel 9.

According to the utility model, through the temperature detection assembly arranged on the water pipe assembly, the temperature values of the liquid corresponding to the first pipeline 3, the second pipeline 4 and the third pipeline 5 can be detected respectively, the operation of the water pump 1 can be controlled by the first temperature value and the second temperature value, and the operation of the heating pipe 2 can be controlled by the third temperature value, so that the accurate control of the water temperature is realized, and compared with the technical scheme that the water is heated only through the high-power heating pipe 2 in the prior art, the stability of the heated liquid temperature can be improved, the temperature of the liquid discharged by the third pipeline 5 can be required to be accurately controlled by a user, and the taste of the coffee liquid brewed by the liquid is improved. And through the structure, the coffee machine with small cup quantity can be realized, namely, the water temperature can be accurately controlled under the condition of less water quantity, and the purpose of preparing the coffee liquid meeting the requirements is achieved.

It should be noted that, the current industry is very strict with respect to the manufacture of golden cup coffee, which requires that the temperature of the coffee powder in the funnel reach 92 degrees in 1 minute, and that the water temperature be controlled between 92 degrees and 96 degrees during the whole coffee making process, and the temperature of the coffee liquid in the brewed cup be 80 degrees to 85 degrees. As can be seen, the water temperature requirements for making a golden cup coffee are very high, and the coffee machines capable of making a golden cup coffee are generally large-cup-quantity coffee machines, such as 10-14-cup-quantity coffee machines, so that accurate control of the water temperature can be realized under the condition of a sufficient water quantity, but the large-cup-quantity coffee machines are easy to machine body and have large volume and high manufacturing cost. Adopt this foretell coffee machine's of application temperature control device also can realize the accurate control to the temperature under the less circumstances of water yield, realize little cup volume coffee machine, like the coffee machine of the cup volume below 10 cups, and above-mentioned product overall structure volume is less, can reduce manufacturing cost.

In some embodiments, as shown in fig. 1, the temperature control device further includes a flow meter 10, the flow meter 10 is disposed on the first pipe 3, and the flow meter 10 is electrically connected with the control board 9 for the control board 9 to send the information of the flow rate of the liquid in the first pipe 3. The flow rate of the liquid in the first pipeline 3 can be collected through the flowmeter 10, so that the control board 9 can accurately control the water pump 1 to work.

Specifically, the above-described flow meter 10 may be located upstream of the first temperature sensor 6.

In some embodiments, the control board 9 is further configured to send a first control command to the water pump 1 to operate with the first pumping volume when the first temperature value is equal to the first preset value and the second temperature value is equal to the second preset value. In this way, the control board 9 can accurately control the water pumping amount of the water pump 1 according to the first temperature value and the second temperature value.

Specifically, the first water pumping amount may be 40% to 60% of the rated water pumping amount of the water pump 1. Preferably, the first water extraction is 50% of the rated water extraction of the water pump 1.

Specifically, the first preset value and the second preset value may be set by an operator according to experience, or may be set by the product before leaving the factory, which is not limited in this application.

In some embodiments, the control board 9 is further configured to send a first control instruction to the water pump 1 to operate with the second pumping volume when the first temperature value is less than the first preset value and the second temperature value is less than the second preset value; wherein the second water extraction is less than the first water extraction. In this way, the control board 9 can reduce the water pumping amount of the water pump 1 as much as possible when the first temperature value and the second temperature value are reduced.

Specifically, the second water pumping amount may be 5% to 15% of the rated water pumping amount of the water pump 1. Preferably, the second water extraction is 10% of the rated water extraction of the water pump 1.

In some embodiments, the control board 9 is further configured to send a first control instruction to the water pump 1 to operate with the third pumping volume when the first temperature value is greater than the first preset value and the second temperature value is less than the second preset value; wherein the third water extraction is greater than the second water extraction and less than the first water extraction. In this way, the control board 9 can appropriately reduce the water pumping amount of the water pump 1 when only the second temperature value is reduced.

Specifically, the third water extraction amount may be 20% to 30% of the rated water extraction amount of the water pump 1. Preferably, the third water extraction is 25% of the nominal water extraction of the water pump 1.

In some embodiments, the control board 9 is further configured to send a first control instruction to the water pump 1 to operate with the fourth pumping volume when the first temperature value is less than the first preset value and the second temperature value is greater than the second preset value; wherein the fourth water extraction is greater than the first water extraction. In this way, the control board 9 can appropriately increase the water pumping amount of the water pump 1 when only the first temperature value is reduced.

Specifically, the fourth water extraction amount may be 55% to 65% of the rated water extraction amount of the water pump 1. Preferably, the fourth water extraction is 60% of the rated water extraction of the water pump 1.

In some embodiments, the control board 9 is further configured to send a first control instruction to the water pump 1 to operate with the fifth pumping amount when the first temperature value is greater than the first preset value and the second temperature value is greater than the second preset value; wherein the fifth water extraction is greater than the fourth water extraction. In this way, the control board 9 can increase the water pumping amount of the water pump 1 as much as possible when both the first temperature value and the second temperature value are increased.

Specifically, the fifth water extraction amount may be 70% to 80% of the rated water extraction amount of the water pump 1. Preferably, the fifth water extraction is 75% of the rated water extraction of the water pump 1.

In some embodiments, the control board 9 is further configured to send a second control instruction to the heat pipe 2 to operate in the first heating mode when the third temperature value is equal to a third preset value, and send a second control instruction to the heat pipe 2 to operate in the second heating mode when the third temperature value is greater than the third preset value; wherein, the heat emitted by the heat generating tube 2 in the first heating mode is larger than the heat emitted by the heat generating tube 2 in the second heating mode, and the heating mode of the heat generating tube 2 is at least related to the working power of the heat generating tube 2 and/or the duty ratio of the heat generating tube 2. In this way, the control board 9 can dynamically control the amount of heat radiated by the heat generating pipe 2 according to the third temperature value.

Specifically, the above-described first heating mode can be understood as that the heat generating tube 2 generates heat at the first operation power. The first operating power may be 40% to 60% of the rated power of the heat generating pipe 2. Preferably, the first operating power is 50% of the rated power of the heating tube 2.

Specifically, the second heating mode may be understood as that the heating tube 2 heats at the second operation power, or that the heating tube 2 operates at the first duty ratio, and the duty ratio of the heating tube 2 may be understood as a ratio of an on time to an off time of the heating tube 2, for example, when the duty ratio of the heating tube 2 is 60%, the heating tube 2 is in an on state for 60% of the time and is in an off state for the other 40% of the time.

Specifically, the second operating power may be 20% to 30% of the rated power of the heat generating pipe 2. Preferably, the second operating power is 25% of the rated power of the heat generating tube 2.

Specifically, the third preset value may be set by an operator according to experience, or may be set by the operator before the product leaves the factory, which is not particularly limited in this application. Illustratively, the third preset value may range from 92 degrees to 96 degrees, i.e. the water temperature requirement for making the golden cup coffee.

In some embodiments, the control board 9 is further configured to send a second control instruction to the heat-generating tube 2 to operate in the third heating mode when the third temperature value is less than the third preset value; wherein, the heat emitted by the heating tube 2 in the third heating mode is larger than the heat emitted by the heating tube 2 in the first heating mode. In this way, the control board 9 can dynamically regulate and control the heat dissipation of the heating tube 2 to increase when the third temperature value is reduced, so that the water temperature in the third pipeline 5 is increased.

Specifically, the above-described third heating mode may be understood as that the heat generating tube 2 generates heat at the third operating power, or that the heat generating tube 2 operates at the second duty ratio. The first duty cycle is less than the second duty cycle.

Specifically, the third operating power may be 70% to 80% of the rated power of the heat generating pipe 2. Preferably, the third operating power is 75% of the rated power of the heating tube 2.

The embodiment of the utility model also provides a coffee machine, which comprises the temperature control device of the coffee machine. The temperature detection component is arranged on the water pipe component, so that the temperature values of the liquid corresponding to the first pipeline 3, the second pipeline 4 and the third pipeline 5 can be detected respectively, the work of the water pump 1 can be controlled by the first temperature value and the second temperature value, the work of the heating pipe 2 can be controlled by the third temperature value, and therefore, the accurate control of the water temperature is realized.

The above embodiments are merely exemplary embodiments of the present utility model and are not intended to limit the present utility model. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.

Claims

1. A temperature control device of a coffee machine, comprising a water pump (1) and a heating tube (2), characterized in that it further comprises:

the water pipe assembly comprises a first pipeline (3), a second pipeline (4) and a third pipeline (5) which are sequentially connected, the first pipeline (3) is connected to a water outlet of the water pump (1), the heating pipe (2) is arranged on the outer wall of the second pipeline (4) and is used for heating liquid flowing through the second pipeline (4), and the third pipeline (5) is used for discharging the liquid heated in the second pipeline (4);

the temperature detection assembly comprises a first temperature sensor (6), a second temperature sensor (7) and a third temperature sensor (8), wherein the first temperature sensor (6) is arranged on the first pipeline (3), the second temperature sensor (7) is arranged on the second pipeline (4), and the third temperature sensor (8) is arranged on the third pipeline (5);

the control panel (9), it with water pump (1), heating tube (2), first temperature sensor (6), second temperature sensor (7) and third temperature sensor (8) are electric connection respectively, control panel (9) are used for receiving first temperature value and the second temperature value that second temperature sensor (7) detected of first temperature sensor (6), and to water pump (1) send first control command, still be used for receiving third temperature value that third temperature sensor (8) detected, and to heating tube (2) send second control command.

2. A temperature control device of a coffee machine according to claim 1, characterized in that the temperature control device further comprises a flow meter (10), the flow meter (10) being arranged on the first conduit (3), and the flow meter (10) being electrically connected to a control board (9) for the control board (9) to send the liquid flow information in the first conduit (3).

3. A temperature control device of a coffee machine according to claim 1, characterized in that said control board (9) is also adapted to send to said water pump (1) a first control command for operating it with a first water extraction quantity when said first temperature value is equal to a first preset value and said second temperature value is equal to a second preset value.

4. A temperature control device of a coffee machine according to claim 3, characterized in that said control board (9) is also adapted to send to said water pump (1) a first control command for operating it with a second water extraction quantity when said first temperature value is smaller than a first preset value and said second temperature value is smaller than a second preset value; wherein the second water extraction is less than the first water extraction.

5. The temperature control device of a coffee machine according to claim 4, characterized in that said control board (9) is further configured to send to said water pump (1) a first control command for operating it with a third water extraction quantity when said first temperature value is greater than a first preset value and said second temperature value is less than a second preset value; wherein the third water extraction is greater than the second water extraction and less than the first water extraction.

6. A temperature control device of a coffee machine according to claim 3, characterized in that said control board (9) is also adapted to send to said water pump (1) a first control command for operating it with a fourth water extraction quantity when said first temperature value is smaller than a first preset value and said second temperature value is greater than a second preset value; wherein the fourth water extraction is greater than the first water extraction.

7. The temperature control device of a coffee machine according to claim 6, characterized in that said control board (9) is further adapted to send to said water pump (1) a first control command for operating it with a fifth water extraction quantity when said first temperature value is greater than a first preset value and said second temperature value is greater than a second preset value; wherein the fifth water extraction is greater than the fourth water extraction.

8. A temperature control device of a coffee machine according to claim 1, characterized in that said control board (9) is further adapted to send to said heating tube (2) a second control command for operating it in a first heating mode when said third temperature value is equal to a third preset value, and to send to said heating tube (2) a second control command for operating it in a second heating mode when said third temperature value is greater than the third preset value; the heat emitted by the heating tube (2) in the first heating mode is larger than the heat emitted by the heating tube (2) in the second heating mode, and the heating mode of the heating tube (2) is at least related to the working power of the heating tube (2) and/or the duty ratio of the heating tube (2).

9. A temperature control device of a coffee machine according to claim 8, characterized in that said control board (9) is further adapted to send to said heating tube (2) a second control command for operating it in a third heating mode when said third temperature value is smaller than a third preset value; the heat emitted by the heating tube (2) in the third heating mode is larger than the heat emitted by the heating tube (2) in the first heating mode.

10. A coffee machine comprising a temperature control device of a coffee machine according to any one of claims 1 to 9.