Cold and heat generating device of yogurt machine

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By adding an insulation layer outside the hot and cold device of the yogurt machine and using external air to assist in temperature control, the problems of heat loss and low temperature control efficiency of thermal conduction blocks are solved, and more efficient temperature control and energy-saving effects are achieved.

CN222279028UActive Publication Date: 2024-12-31NANYANG PENGSHENG BEER EQUIP TECH DEV CO LTD

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Patent Information

Application Number: CN202421088213.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-20
Publication Date: 2024-12-31
Estimated Expiration: 2034-05-20

AI Technical Summary

Technical Problem

Due to the lack of thermal insulation layer, the heat of the heat conducting blocks is easily lost, the temperature control efficiency is low, and it is greatly affected by the external environment.

Method used

The heat insulation layer is installed on the outer sleeve of the hot and cold temperature change assembly, and the energy of the external air assists the heating and cooling of the thermal conductor plate. It is used by a combination of electric heating pipes and refrigeration sheets, combined with a temperature sensor and a controller, and air is used to use a blower and ventilation holes to carry out air. Circulation to improve temperature control efficiency.

Benefits of technology

It effectively reduces the heat loss of the thermal conductor plate, improves the efficiency of hot and cold temperature change, ensures the energy-saving effect of the yogurt machine, and improves the speed and accuracy of temperature control.

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Abstract

The utility model discloses a cold and heat generating device of a yogurt machine. The cold and heat generating device comprises a shell, a heat-insulating layer is arranged on the inner side wall of the shell, a heat-conducting plate is arranged at the upper end in the heat-insulating layer, an electric heating pipe is arranged in the heat-conducting plate, a boss is arranged on the lower surface of the heat-conducting plate, a refrigerating sheet is arranged on the lower surface of the boss, and avoiding holes corresponding to the refrigerating sheet are formed in the lower ends of the shell and the heat-insulating layer; the input ends of the refrigeration sheet and the electric heating pipe are electrically connected with the output end of an external controller, a heat dissipation block is arranged on the lower surface of the refrigeration sheet, a temperature sensor is arranged in a groove in the lower surface of the heat conduction plate, and the output end of the temperature sensor is electrically connected with the input end of the external controller. The heat preservation layer is arranged outside the cold and hot temperature changing assembly in a sleeving mode, heat loss of the heat conduction plate can be reduced, auxiliary heating and cooling can be conducted on the heat conduction plate through energy of outside air, and the temperature control efficiency is high.

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Description

Technical Field

[0001] The utility model relates to the technical field of yogurt machines, in particular to a cold and hot generating device of a yogurt machine. Background Art

[0002] With the improvement of living standards, yogurt has gradually become one of the most popular beverages in people's lives. The most common yogurt on the market is a milk product that is pasteurized milk and then added with beneficial bacteria, and then cooled and filled after fermentation. Yogurt machines are used in the yogurt processing process. Yogurt machines provide a constant temperature device for milk fermentation. Yogurt machines control the temperature of the pot body through a hot and cold generating device. Existing hot and cold devices are generally composed of heating tubes, refrigeration plates and heat conductive blocks. They have a simple structure and low cost, but generally lack an insulation layer. The heat of the heat conductive block is easily lost to the outside. The external environment has a greater impact on the temperature change of the heat conductive block, and the temperature control efficiency is low. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a hot and cold generating device for a yogurt machine. A thermal insulation layer is set on the outside of the hot and cold temperature changing components to reduce the heat loss of the heat conducting plate, and the energy of the outside air can be used to assist in heating and cooling the heat conducting plate. The temperature control efficiency is high and the problems in the background technology can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold and hot generating device of a yogurt machine, comprising a housing;

[0005] Shell: An insulation layer is provided on the inner wall, a heat conduction plate is provided at the upper end of the insulation layer, an electric heating tube is provided inside the heat conduction plate, a boss is provided on the lower surface of the heat conduction plate, a refrigeration plate is provided on the lower surface of the boss, avoidance holes corresponding to the refrigeration plate are provided at the lower ends of the shell and the insulation layer, the input ends of the refrigeration plate and the electric heating tube are electrically connected to the output end of the external controller, and an insulation layer is provided on the outside of the hot and cold temperature changing component to reduce the heat loss of the heat conduction plate, and the energy of the outside air can be used to assist in heating and cooling the heat conduction plate, the hot and cold temperature changing efficiency is high, and at the same time, the yogurt machine is guaranteed to have a good energy-saving effect.

[0006] Furthermore, a heat dissipation block is provided on the lower surface of the refrigeration fin to facilitate heat dissipation of the refrigeration fin.

[0007] Furthermore, a temperature sensor is provided inside the groove on the lower surface of the heat conducting plate, and an output end of the temperature sensor is electrically connected to an input end of an external controller, so as to facilitate detection of the temperature of the heat conducting plate.

[0008] Furthermore, ventilation holes are provided at both left and right ends of the shell and the insulation layer as a whole. A blower is provided at the right end of the shell through a fixed plate. The air outlet of the blower is connected to the ventilation hole on the right side. The input end of the blower is electrically connected to the output end of an external controller to facilitate the circulation of air inside the shell.

[0009] Furthermore, a wind shield is rotatably connected to the left end of the shell, and the wind shield corresponds to the position of the ventilation hole on the left side, so as to facilitate the sealing of the ventilation hole on the left side.

[0010] Furthermore, the lower surface of the heat conducting plate is provided with evenly distributed arc-shaped sheets, and the inner arc surfaces of the arc-shaped sheets are provided with evenly distributed grooves, thereby increasing the heat exchange surface area of the heat conducting plate.

[0011] Furthermore, guide blocks are provided on both sides of the lower surface of the heat conduction plate. The guide blocks correspond to the positions of the ventilation holes and can guide the airflow to the front and rear sides to ensure that the airflow passes smoothly through the gaps of the arc-shaped sheets.

[0012] Furthermore, the lower surface of the heat conducting plate is provided with evenly distributed heat conducting needles to increase the heat exchange surface area of the heat conducting plate.

[0013] Furthermore, evenly distributed fixing seats are provided on the upper end of the outer surface of the shell to facilitate fixing of the shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the cold and hot generating device of the yogurt machine has the following advantages:

[0015] The heat preservation layer wraps the heat conduction plate, which can reduce the heat loss of the heat conduction plate and has a good energy-saving effect. When the temperature of the heat conduction plate is lower than the outside temperature for heating, or when the temperature of the heat conduction plate is higher than the outside temperature for cooling, the external controller will control the blower to work, and the blower will blow air into the heat preservation layer through the ventilation holes. The airflow flows to the left along the gap between the arc plate and the boss. The airflow blows up the wind shield and then flows out from the ventilation hole on the left. The air blown in can assist in heating and cooling the heat conduction plate, greatly improving the temperature change speed during hot and cold control. When the temperature of the heat conduction plate is consistent with the air temperature, the blower stops running, and the wind shield falls under gravity to seal the ventilation hole on the left. The heat preservation layer will maintain a relatively sealed environment. The heat preservation layer is set on the outside of the hot and cold temperature change component, which can reduce the heat loss of the heat conduction plate, and can use the energy of the outside air to assist in heating and cooling the heat conduction plate. The hot and cold temperature change efficiency is high, and at the same time, the yogurt machine has a good energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2It is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0018] Figure 3 This is an enlarged structural diagram of point A of the utility model.

[0019] In the figure: 1 shell, 2 insulation layer, 3 heat conduction plate, 4 electric heating tube, 5 boss, 6 cooling plate, 7 heat sink, 8 temperature sensor, 9 blower, 10 ventilation hole, 11 wind shield, 12 arc plate, 13 groove, 14 fixing seat, 15 heat conduction needle, 16 guide block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 ,This embodiment provides a technical solution: a cold and hot generating device of a yogurt machine, comprising a housing 1;

[0022] Shell 1: A heat-insulating layer 2 is arranged on its inner wall, and shell 1 provides an installation position for internal components. A heat-conducting plate 3 is arranged at the upper end of the heat-insulating layer 2, and the heat-insulating layer 2 is a polystyrene foam heat-insulating layer, and the heat-conducting plate 3 is an aluminum heat-conducting plate. The heat-conducting plate 3 contacts the lower surface of the yogurt machine pot body, and the heat-insulating layer 2 wraps the heat-conducting plate 3, which can reduce the heat loss of the heat-conducting plate 3 and has a good energy-saving effect. An electric heating tube 4 is arranged inside the heat-conducting plate 3, and the electric heating tube 4 heats the heat-conducting plate 3 when it works. A boss 5 is arranged on the lower surface of the heat-conducting plate 3, and a cooling plate 6 is arranged on the lower surface of the boss 5. The cooling end of the cooling plate 6 is connected to the lower surface of the boss 5. The lower ends of shell 1 and heat-insulating layer 2 are provided with avoidance holes corresponding to the cooling plate 6, and the input ends of the cooling plate 6 and the electric heating tube 4 are electrically The output end of the external controller is connected, and a heat sink 7 is provided on the lower surface of the refrigeration plate 6. The heat sink 7 is connected to the heat-conducting end of the refrigeration plate 6. During cooling, the refrigeration plate 6 works, and the heat at the cold end of the refrigeration plate 6 is moved to the hot end, causing the temperature of the boss 5 to decrease, and the heat is transferred to the heat sink 7 to dissipate to the outside. The boss 5 cools the pot body of the yogurt machine through the heat-conducting plate 3. A temperature sensor 8 is provided inside the groove on the lower surface of the heat-conducting plate 3. The output end of the temperature sensor 8 is electrically connected to the input end of the external controller. The temperature sensor 8 converts the temperature information of the heat-conducting plate 3 into an electrical signal and transmits it to the external controller, thereby facilitating the control of the temperature. Ventilation holes 10 are provided on both the left and right ends of the whole composed of the outer shell 1 and the thermal insulation layer 2 to facilitate the circulation of external air. The right end of the outer shell 1 is fixed by a fixing plate A blower 9 is provided, and the air outlet end of the blower 9 is connected to the ventilation hole 10 on the right side, and the input end of the blower 9 is electrically connected to the output end of the external controller. The left end of the shell 1 is rotatably connected to a wind shield 11, and the wind shield 11 corresponds to the position of the ventilation hole 10 on the left side. The lower surface of the heat conducting plate 3 is provided with evenly distributed arc-shaped sheets 12. When the temperature of the heat conducting plate 3 is lower than the outside temperature for heating, or the temperature of the heat conducting plate 3 is higher than the outside temperature for cooling, the external controller will control the blower 9 to work, and the blower 9 blows air into the insulation layer 2 through the ventilation hole 10, and the airflow flows to the left along the gap between the arc-shaped sheet 12 and the boss 5. The airflow blows up the wind shield 11 and then flows out from the ventilation hole 10 on the left, so that the blown air can assist in heating and Cooling greatly improves the temperature change speed during hot and cold control. The inner arc surface of the arc-shaped sheet 12 is provided with evenly distributed grooves 13. The grooves 13 increase the surface area of the arc-shaped sheet 12 and have good heat exchange efficiency. The left and right sides of the lower surface of the heat conducting plate 3 are provided with guide blocks 16. The guide blocks 16 correspond to the positions of the ventilation holes 10. The right side can guide the airflow to the front and rear sides to ensure that the airflow passes smoothly through the gap of the arc-shaped sheet. The guide block 16 on the left separates the air outlet to avoid convection and facilitate the outflow of airflow. The lower surface of the heat conducting plate 3 is provided with evenly distributed heat conducting needles 15. The heat conducting needles 15 increase the heat exchange surface area of the heat conducting plate. The upper end of the outer surface of the shell 1 is provided with evenly distributed fixing seats 14. Screws are used to pass through the mounting holes of the fixing seats 14 to connect with the yogurt machine.To fix the housing 1.

[0023] The working principle of the hot and cold generating device of a yogurt machine provided by the utility model is as follows: when in use, the heat conducting plate 3 is brought into contact with the lower surface of the pot body of the yogurt machine, and screws are used to pass through the mounting holes of the fixing seat 14 to connect with the yogurt machine to fix the outer shell 1. The user adjusts the external controller to control the temperature. When heating, the electric heating tube 4 works to heat the heat conducting plate 3. When cooling, the refrigeration plate 6 works, and the heat at the cold end of the refrigeration plate 6 is moved to the hot end, causing the temperature of the boss 5 to decrease, and the heat is transferred to the heat dissipation block 7 to be dissipated to the outside. The boss 5 cools the pot body of the yogurt machine through the heat conducting plate 3. At the same time, the temperature sensor 8 converts the temperature information of the heat conducting plate 3 into an electrical signal and transmits it to the external controller, thereby facilitating the control of the temperature. The heat insulation layer 2 wraps the heat conducting plate 3. The heat loss of the heat conducting plate 3 can be reduced, and a good energy-saving effect can be achieved. When the temperature of the heat conducting plate 3 is lower than the outside temperature for heating, or when the temperature of the heat conducting plate 3 is higher than the outside temperature for cooling, the external controller will control the blower 9 to work, and the blower 9 will blow air into the insulation layer 2 through the ventilation holes 10. The airflow flows to the left along the gap between the arc-shaped sheet 12 and the boss 5, and the airflow blows up the wind shield 11 and then flows out from the ventilation hole 10 on the left. The air blown in can assist in heating and cooling the heat conducting plate 3, greatly improving the temperature change speed during hot and cold control. When the temperature of the heat conducting plate 3 is consistent with the air temperature, the blower 9 stops running, and the wind shield 11 falls due to gravity to seal the ventilation hole 10 on the left, and the insulation layer 2 will maintain a relatively sealed environment.

[0024] It is worth noting that the refrigeration plate 6, electric heating tube 4 and temperature sensor 8 disclosed in the above embodiments can be freely configured according to the actual application scenario. The refrigeration plate 6 can choose the refrigeration plate of model TEC1-12706, the electric heating tube 4 can choose the single-head electric heating tube, and the temperature sensor 8 can choose the temperature sensor of model WZP-PT100. The external controller controls the operation of the refrigeration plate 6, the electric heating tube 4 and the temperature sensor 8 using the methods commonly used in the prior art.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cold and hot generating device for a yogurt machine, characterized in that: comprising a housing (1); An outer shell (1): an inner wall thereof is provided with an insulation layer (2), an upper end of the interior of the insulation layer (2) is provided with a heat conducting plate (3), an electric heating tube (4) is provided inside the heat conducting plate (3), a boss (5) is provided on the lower surface of the heat conducting plate (3), a cooling plate (6) is provided on the lower surface of the boss (5), avoidance holes corresponding to the cooling plate (6) are provided at the lower ends of the outer shell (1) and the insulation layer (2), and input ends of the cooling plate (6) and the electric heating tube (4) are electrically connected to the output end of an external controller.

2. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: A heat dissipation block (7) is provided on the lower surface of the refrigeration fin (6).

3. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: A temperature sensor (8) is provided inside the groove on the lower surface of the heat conducting plate (3), and an output end of the temperature sensor (8) is electrically connected to an input end of an external controller.

4. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: The left and right ends of the integral body formed by the shell (1) and the heat-insulating layer (2) are provided with ventilation holes (10); a blower (9) is provided at the right end of the shell (1) via a fixing plate; an air outlet of the blower (9) is connected to the ventilation hole (10) on the right side; and an input end of the blower (9) is electrically connected to an output end of an external controller.

5. The cold and hot generating device of a yogurt machine according to claim 4, characterized in that: The left end of the housing (1) is rotatably connected to a windshield (11), and the windshield (11) corresponds to the position of the ventilation hole (10) on the left side.

6. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: The lower surface of the heat conducting plate (3) is provided with evenly distributed arc-shaped sheets (12), and evenly distributed grooves (13) are provided on the inner arc surfaces of the arc-shaped sheets (12).

7. The cold and hot generating device of a yogurt machine according to claim 4, characterized in that: Guide blocks (16) are provided on both left and right sides of the lower surface of the heat conduction plate (3), and the positions of the guide blocks (16) correspond to those of the ventilation holes (10).

8. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: The lower surface of the heat conducting plate (3) is provided with evenly distributed heat conducting needles (15).

9. The cold and hot generating device of a yogurt machine according to claim 1, characterized in that: The upper end of the outer surface of the housing (1) is provided with evenly distributed fixing seats (14).