Temperature adjusting device for production of freeze-dried strawberry slices

Abstract

The utility model discloses a temperature adjusting device for freeze-dried strawberry slice production, which relates to the technical field of temperature adjusting devices and comprises an external component, an internal component and a connecting component. According to the freeze-drying device, the refrigerating system in the freeze-drying device can be started, the freeze-drying device is cooled to a low-temperature state through the Freon, the Freon exchanges heat with circulating air to absorb heat in the air, so that the temperature of the air is reduced, and the low-temperature air enters the freeze-drying bin under the action of the fan, so that the temperature of the strawberry slices is reduced; the strawberry slices are prevented from going bad or influencing the quality due to too high temperature in the drying process, meanwhile, water vapor is also facilitated to be condensed on the surface of a condenser, circulating high-temperature and high-pressure gas enters the condenser, when the air pressure in the freeze-drying bin is too high, a pressure release valve on a sealing cover is opened, the balance of the internal pressure is kept, heat is released in the condenser, and the freeze-drying effect is achieved. Circulating air is heated, and the heated air is fed into the freeze-drying bin through the fan to provide heat for drying of the strawberry slices.

Description

TECHNICAL FIELD

[0001] The utility model relates to temperature regulating device technical field especially relates to a kind of temperature regulating device of freeze-dried strawberry slice production. BACKGROUND

[0002] Freeze-drying technology is widely used in food processing field, especially for the fruits such as strawberry with high water content and short shelf life, freeze-dried strawberry slice retains the original color, flavor and nutrient composition of strawberry, and the market demand of leisure food, baking ingredients, instant beverage additives and other products continues to grow. At present, the mainstream freeze-drying process is to remove water by sublimation under low-temperature vacuum environment after pretreatment of fresh strawberries. However, in the whole freeze-drying process, accurate temperature control plays a decisive role in product quality. The production of freeze-dried strawberry slice generally includes pretreatment, rapid freezing, vacuum water removal and post-heating steps. As much as possible to save water and reduce cell damage, in the sublimation drying stage, sublimation latent heat needs to be continuously supplemented, and the temperature of sublimation interface needs to be lower than the eutectic point temperature. If the temperature is not uniform, part of the strawberry slice temperature is higher than the eutectic point, the product will melt, and phenomena such as volume shrinkage, bubbles, color deepening, and difficult rehydration will occur. If the temperature of part of the strawberry slice is too low, the sublimation rate will be reduced, and the time of sublimation stage will be prolonged. With the continuous progress of sensor technology, automation control technology and new materials, the temperature regulating device for freeze-dried strawberry slice production is developing towards intelligence, precision and high efficiency.

[0003] However, in the prior art, the air circulation system in the existing temperature regulating device is not well designed, which can cause uneven air flow, slow air flow and delayed heat transfer, resulting in temperature deviation. Uneven temperature can cause inconsistent drying degree of strawberry slice. Some parts are over-dried, with more nutrient loss and poor taste. Some parts are not dried enough, with high water content, which can easily deteriorate during subsequent storage, affecting the overall quality and shelf life of the product. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems existing in the prior art and provides a temperature regulating device for freeze-dried strawberry slice production.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of freeze-dried strawberry slice production temperature regulating device, including external component, internal component and connecting component;The external component includes freeze-drying bin, the outer surface wall of freeze-drying bin is installed backing plate, the backing plate is fixedly installed with freeze-drying bin, the upper surface of backing plate is provided with condenser;The internal component includes built-in box, the top of built-in box is provided with two embedded motors, two embedded motors are embeddedly installed with built-in box, two threaded rods are installed at the output end of two embedded motors, two threaded rods are rotatably connected with built-in box, the outer surface wall of two threaded rods is provided with two moving blocks, two moving blocks are threadedly connected with two threaded rods, two micro-motors are provided on the side of two moving blocks, two fans are installed at the output end of two micro-motors, and two fans are rotatably connected with two micro-motors;The connecting component includes support frame, the inside of support frame is provided with tapered groove, the tapered groove is connected with support frame sleeve, and threaded block is installed at the top of tapered groove.

[0006] Preferably, the condenser is connected with the inside of the freeze-drying bin, and the outer surface wall of the freeze-drying bin is provided with a display screen.

[0007] Preferably, the display screen is fixedly installed with the freeze-drying bin, and the outer surface wall of the freeze-drying bin is provided with a battery.

[0008] Preferably, the battery is electrically connected with the display screen, and the top of the freeze-drying bin is provided with a sealing cover.

[0009] Preferably, the sealing cover is embeddedly installed with the freeze-drying bin, and the top of the sealing cover is provided with a pressure relief valve.

[0010] Preferably, the pressure relief valve is connected with the inside of the sealing cover, and the bottom of the threaded block is provided with a connecting block.

[0011] Preferably, the connecting block is threadedly connected with the threaded block, two recesses are formed in the bottom of the threaded block, and a circular arc groove is arranged in the inside of the two recesses.

[0012] Preferably, the inside of the two recesses and the circular arc groove is connected, the inside of the tapered groove is provided with a placing groove, and the placing groove is connected with the tapered groove sleeve.

[0013] Preferably, two handles are installed at the top of the placing groove, two protrusions are installed at the outer surface wall of the placing groove, and the two protrusions are embeddedly connected with the two recesses.

[0014] Preferably, the freeze-drying bin is embeddedly connected with the built-in box, and the tapered groove is connected with the built-in box sleeve.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that:

[0016] 1. In this utility model, when it is necessary to lower the temperature, the refrigeration system in the device will be activated, and the Freon will cool the air to a low temperature. The Freon will exchange heat with the circulating air, absorbing the heat in the air and lowering the air temperature. The low-temperature air will also enter the freeze-drying chamber under the action of the fan, lowering the temperature of the strawberry slices and preventing the strawberry slices from deteriorating or affecting the quality due to excessive temperature during the drying process. At the same time, it will also help water vapor to condense on the surface of the condenser. The circulating high-temperature and high-pressure gas will enter the condenser. When the gas pressure inside the freeze-drying chamber is too high, the pressure relief valve on the sealing cover will be opened to maintain the internal pressure balance. Heat will be released in the condenser to heat the circulating air. The heated air will be sent into the freeze-drying chamber by the fan to provide heat for drying the strawberry slices.

[0017] 2. In this utility model, two embedded motors drive two fans to move up and down along the path of two threaded rods, so that the air can be evenly distributed in the freeze-drying chamber. This ensures that the air can reach all parts of the strawberry slices at a uniform speed and flow rate, avoiding local overheating or underheating, and ensuring the uniformity of strawberry slice drying. The strawberry slices are placed inside the placement slot and are embedded and connected to the two grooves opened in the conical slot by two protrusions. Then, they are rotated to slide in the arc groove and kept fixed. After the strawberry slices are dried, the placement slot is rotated by lifting the two handles, and the two protrusions slide to the two grooves. The connecting block is then unscrewed to remove the placement slot and pour out the strawberry slices for use. Attached Figure Description

[0018] Figure 1 This utility model provides an overall structural schematic diagram of a temperature control device for producing freeze-dried strawberry slices;

[0019] Figure 2 This utility model provides a schematic diagram of the external components of a temperature control device for producing freeze-dried strawberry slices;

[0020] Figure 3 This utility model provides a schematic diagram of the internal components of a temperature control device for producing freeze-dried strawberry slices;

[0021] Figure 4 This utility model presents a schematic diagram of the connecting components of a temperature control device for producing freeze-dried strawberry slices.

[0022] Figure 5 This invention provides another structural schematic diagram of the connecting component of a temperature-regulating device for producing freeze-dried strawberry slices.

[0023] Legend: 1. External components; 101. Freeze-drying chamber; 102. Pad; 103. Condenser; 104. Display screen; 105. Battery; 106. Sealing cover; 107. Pressure relief valve; 2. Internal components; 201. Built-in box; 202. Embedded motor; 203. Threaded rod; 204. Moving block; 205. Micro motor; 206. Fan; 3. Connecting components; 301. Support frame; 302. Conical groove; 303. Threaded block; 304. Connecting block; 305. Placement slot; 306. Handle; 307. Protrusion. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1, such as Figures 1-5 As shown, this utility model provides a temperature control device for freeze-dried strawberry slice production, including an external component 1, an internal component 2, and a connecting component 3. The external component 1 includes a freeze-drying chamber 101, with a pad 102 installed on the outer wall of the freeze-drying chamber 101. The pad 102 is fixedly installed with the freeze-drying chamber 101, and a condenser 103 is provided on the upper surface of the pad 102. The internal component 2 includes an internal housing 201, with two embedded motors 202 installed on the top of the internal housing 201. The two embedded motors 202 are embedded in the internal housing 201, and two threaded rods 203 are installed at the output ends of the two embedded motors 202. The two threaded rods 203 are connected to the internal housing 201. 01 Rotary connection, two movable blocks 204 are provided on the outer wall of the two threaded rods 203, the two movable blocks 204 are threadedly connected to the two threaded rods 203, two micro motors 205 are provided on one side of the two movable blocks 204, two fans 206 are installed at the output end of the two micro motors 205, and the two fans 206 are rotatably connected to the two micro motors 205; the connecting component 3 includes a support frame 301, a conical groove 302 is provided inside the support frame 301, the conical groove 302 is sleeved and connected to the support frame 301, a threaded block 303 is installed on the top of the conical groove 302, and the threaded block 303 is fixedly installed to the conical groove 302.

[0027] The overall effect of Embodiment 1 is as follows: a sealing cover 106 is installed on the top of the freeze-drying chamber 101. When the internal pressure is too high, the pressure relief valve 107 is opened to maintain internal stability. The display screen 104 can be used to view the internal drying status. Hot air, due to its lower density, will flow upward, while relatively cold air, due to its higher density, will flow downward, forming natural convection. At the same time, two embedded motors 202 drive two fans 206 to move up and down on two threaded rods 203. The fans 206 push the air to circulate, so that the hot air continuously circulates in the device and comes into uniform contact with the strawberry slices to achieve heat transfer and ensure that the strawberry slices are heated evenly. During the drying stage, the hot air continuously carries away the water vapor that sublimates from the strawberry slices, so that the drying process continues. When cooling is required, the Freon in the device will cool the air. The density of the cooled air increases, and under the action of gravity and the fans 206, it circulates in the device to exchange heat with the strawberry slices and reduce the temperature of the strawberry slices.

[0028] Example 2, as Figures 1-5 As shown, the condenser 103 is internally connected to the freeze-drying chamber 101. A display screen 104 is installed on the outer wall of the freeze-drying chamber 101 and is fixedly installed thereon. A battery 105 is installed on the outer wall of the freeze-drying chamber 101 and is electrically connected to the display screen 104. A sealing cover 106 is installed on the top of the freeze-drying chamber 101 and is embedded in it. A pressure relief valve 107 is installed on the top of the sealing cover 106 and is internally connected to the sealing cover 106. A connecting block 304 is installed at the bottom of the threaded block 303. The connecting block 304 is threadedly connected to the threaded block 303. The bottom of the threaded block 303 has two grooves, and the inside of the two grooves is set with arc grooves. The two grooves are connected to the inside of the arc grooves. The inside of the conical groove 302 is set with a placement groove 305. The placement groove 305 is sleeved and connected to the conical groove 302. Two handles 306 are installed on the top of the placement groove 305. Two protrusions 307 are installed on the outer wall of the placement groove 305. The two protrusions 307 are embedded and connected to the two grooves. The freeze-drying chamber 101 is embedded and connected to the inner box 201. The conical groove 302 is sleeved and connected to the inner box 201.

[0029] The overall effect of Embodiment 2 is that the threaded block 303 at the bottom of the conical groove 302 has two grooves that are embedded and connected to the two protrusions 307 on the placement groove 305. Rotating the placement groove 305 causes the two protrusions 307 to slide and fix in the arc groove. During disassembly, simply reverse the operation and pull the placement groove 305 out along the direction of the two grooves. During the production process, strawberry fragments, sugar, or other impurities may remain in the placement groove 305. The detachable design makes it easy to remove the placement groove 305 for a thorough cleaning, avoiding the accumulation of impurities that may affect the product. The design allows technicians to easily inspect the placement tank 305 and its internal components that come into contact with it, preventing the growth of microorganisms or other defects. This facilitates timely detection of wear, damage, and other issues, enabling timely repair or replacement. It ensures the normal operation of the temperature control device, allows for quick replacement of the placement tank 305, reduces equipment waiting time, and improves overall production efficiency. If the placement tank 305 is damaged, its detachable design allows for quick replacement with a new, intact tank, preventing prolonged downtime due to issues with the placement tank 305 and ensuring continuous production. This, in turn, reduces the equipment cost per unit of product.

[0030] Working Principle: The heating system in the temperature control device heats the heat medium to the set temperature, raising the air temperature. The heated air, driven by fan 206, is then transported to the freeze-drying chamber 101, where it transfers heat to the strawberry slices, providing the necessary heat and causing the water in the strawberry slices to sublimate directly from a solid to a gaseous state. When a temperature reduction is needed, the refrigeration system activates, using Freon to cool the air to a low temperature. The Freon exchanges heat with the circulating air, absorbing heat and lowering the air temperature. This low-temperature air, also driven by fan 206, enters the freeze-drying chamber 101, reducing the temperature of the strawberry slices and preventing spoilage or quality issues during drying. It also helps water vapor condense on the surface of the condenser 103. High-temperature, high-pressure circulating gas enters the condenser 103. When the pressure inside the freeze-drying chamber 101 becomes too high, the pressure relief valve 107 on the sealing cover 106 is opened to ensure proper airflow. Maintaining internal pressure balance, heat is released in the condenser 103 to heat the circulating air. The heated air is then sent into the freeze-drying chamber 101 by the fan 206 to provide heat for drying the strawberry slices. Two embedded motors 202 drive two fans 206 to move up and down along the path of two threaded rods 203, so that the air can be evenly distributed in the freeze-drying chamber 101. This ensures that the air can reach all parts of the strawberry slices at a uniform speed and flow rate, avoiding local overheating or underheating, and ensuring the uniformity of strawberry slice drying. The strawberry slices are placed inside the placement groove 305 and are embedded and connected to the two grooves opened in the conical groove 302 by two protrusions 307. They are then rotated to slide in the arc groove and kept fixed. After the strawberry slices are dried, the placement groove 305 is rotated by lifting the two handles 306, and the two protrusions 307 slide to the two grooves. The connecting block 304 is then unscrewed to remove the placement groove 305 and pour out the strawberry slices for use.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A temperature control device for producing freeze-dried strawberry slices, characterized in that, It includes external components (1), internal components (2), and connecting components (3); The external component (1) includes a freeze-drying chamber (101), a pad (102) is installed on the outer wall of the freeze-drying chamber (101), the pad (102) is fixedly installed with the freeze-drying chamber (101), and a condenser (103) is provided on the upper surface of the pad (102). The internal component (2) includes an internal housing (201). Two embedded motors (202) are provided on the top of the internal housing (201). The two embedded motors (202) are embedded in the internal housing (201). Two threaded rods (203) are installed at the output ends of the two embedded motors (202). The two threaded rods (203) are rotatably connected to the internal housing (201). Two moving blocks (204) are provided on the outer walls of the two threaded rods (203). The two moving blocks (204) are threadedly connected to the two threaded rods (203). Two micro motors (205) are provided on one side of the two moving blocks (204). Two fans (206) are installed at the output ends of the two micro motors (205). The two fans (206) are rotatably connected to the two micro motors (205). The connecting component (3) includes a support frame (301), the inside of which is provided with a conical groove (302), the conical groove (302) is sleeved and connected to the support frame (301), and a threaded block (303) is installed on the top of the conical groove (302), the threaded block (303) is fixedly installed with the conical groove (302).

2. The temperature control device for producing freeze-dried strawberry slices according to claim 1, characterized in that: The condenser (103) is connected to the interior of the freeze-drying chamber (101), and a display screen (104) is provided on the outer wall of the freeze-drying chamber (101).

3. The temperature control device for producing freeze-dried strawberry slices according to claim 2, characterized in that: The display screen (104) is fixedly installed with the freeze-drying chamber (101), and a battery (105) is installed on the outer wall of the freeze-drying chamber (101).

4. The temperature control device for producing freeze-dried strawberry slices according to claim 3, characterized in that: The battery (105) is electrically connected to the display screen (104), and a sealing cover (106) is provided on the top of the freeze-drying chamber (101).

5. The temperature control device for producing freeze-dried strawberry slices according to claim 4, characterized in that: The sealing cover (106) is embedded in the freeze-drying chamber (101), and a pressure relief valve (107) is provided on the top of the sealing cover (106).

6. The temperature control device for producing freeze-dried strawberry slices according to claim 5, characterized in that: The pressure relief valve (107) is connected to the interior of the sealing cover (106), and a connecting block (304) is provided at the bottom of the threaded block (303).

7. The temperature control device for producing freeze-dried strawberry slices according to claim 6, characterized in that: The connecting block (304) is threadedly connected to the threaded block (303). The bottom of the threaded block (303) has two grooves, and the interior of the two grooves is provided with arc grooves.

8. The temperature control device for producing freeze-dried strawberry slices according to claim 7, characterized in that: The two grooves are connected to the interior of the arc groove, and the interior of the conical groove (302) is provided with a placement groove (305), which is sleeved and connected to the conical groove (302).

9. The temperature control device for producing freeze-dried strawberry slices according to claim 8, characterized in that: Two handles (306) are installed on the top of the placement groove (305), and two protrusions (307) are installed on the outer wall of the placement groove (305). The two protrusions (307) are embedded and connected to the two grooves.

10. The temperature control device for producing freeze-dried strawberry slices according to claim 1, characterized in that: The freeze-drying chamber (101) is embedded and connected to the inner box (201), and the conical groove (302) is sleeved and connected to the inner box (201).

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