Anti-outage self-circulation refrigerating freezer

Abstract

The utility model relates to the technical field of self-circulation freezers, in particular to an anti-outage self-circulation refrigeration freezer which comprises a freezer body, a freezer door for opening and closing is arranged on one side of the freezer body, and a partition plate is installed on one side of the inner wall of the freezer body. Compared with the prior art, the refrigeration cabinet has the advantages that the cabinet body and the partition plate are arranged, the vent grooves are formed in the two sides of the top face of the cabinet body, the evaporator, the compressor, the throttler and the condenser are arranged, the evaporator is installed in one vent groove, a refrigerant evaporates in the evaporator and absorbs heat, air becomes cold and sinks, the air is accumulated at the bottom end of the cabinet body, and the refrigeration effect is improved. Correspondingly, high-temperature air on the other side of the freezer body is extruded and lifted upwards into the communicating box, then air self-circulation is formed in the freezer body, meanwhile, the control switch disconnects the temperature sensor and the single-chip microcomputer, then stable refrigeration of the freezer is conveniently achieved, and the freezer is simple in overall structure and convenient to use. And the problems in the prior art are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of self - circulating freezers, in particular to a power - off - proof self - circulating refrigeration freezer. Background Art

[0002] A freezer, also called a cold cabinet, is a device for storing food and other items at low temperatures. It is divided into household and commercial types. Commercial freezers are used in restaurants, water bars, food processing, shopping malls, etc. The basic function of a freezer is to refrigerate to keep the inside of the cabinet at an appropriate low temperature. The refrigeration system generally consists of four basic components: a compressor, a condenser, a capillary tube or a thermostatic expansion valve, and an evaporator. The refrigerant is a liquid that can boil at low temperatures under low pressure and absorbs heat when boiling. The refrigerant continuously circulates in the refrigeration system, and the compressor increases the gas pressure of the refrigerant.

[0003] Traditional freezers generally adopt an automatic control method. When the temperature reaches the set temperature, the compressor stops running. As time goes by, a temperature difference will appear between the top and bottom inside the freezer, and the effect is not very good. Based on this, a power - off - proof self - circulating refrigeration freezer is proposed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a power - off - proof self - circulating refrigeration freezer, effectively solving the deficiencies of the prior art.

[0005] To achieve the above purpose, an embodiment of one aspect of the utility model provides a power - off - proof self - circulating refrigeration freezer, including a cabinet body. One side of the cabinet body is provided with a cabinet door for opening and closing. One side of the inner wall of the cabinet body is installed with a partition board, and a temperature sensor is installed in the middle of the partition board. The top of the cabinet body is successively installed with a communication box and a protective cover from bottom to top. Ventilation grooves are opened on both sides of the top surface of the cabinet body. An evaporator is installed inside one of the ventilation grooves. A flow - through plate is installed in the middle of the communication box, and a groove is opened in the middle of its bottom surface. Guide rails are installed on both sides of the flow - through plate, and an installation rack that can move vertically is installed between the guide rails. Three fans are installed on one side of the installation rack. A compressor and a throttle are respectively installed on the top surface of the communication box. A condenser is installed on the side of the cabinet body away from the cabinet door. A control module is installed on one side of the protective cover.

[0006] Preferably, U - shaped mounting grooves are installed on both sides of the inner wall of the cabinet body and both sides of the partition board, and a loading rack is installed between adjacent two U - shaped mounting grooves. The multiple loading racks in this solution are designed in layers, thereby providing more placement positions for food, improving the space utilization rate inside the cabinet body. At the same time, the loading rack adopts a hollow design, which is convenient for air to flow. The flowing air passes through multiple layers of loading racks in sequence, facilitating the freezing of food.

[0007] Preferably, one side of the cabinet door is rotatably connected to the cabinet body through a hinge. The middle part of the cabinet door is hollowed out, and tempered glass is inlaid inside. By using this solution, it is convenient for users to observe the food storage position inside the cabinet body through the tempered glass, quickly judge the placement position of the food before the cabinet door is opened, and then minimize the opening time of the cabinet door when taking and storing, reducing the amount of cold air escaping to the outside.

[0008] Preferably, a motor is installed in the middle of the top surface of the communication box, and lead screws are installed at the output ends of both. The two lead screws are threadedly connected to both ends of the mounting frame. This solution facilitates the relative rotation between the two lead screws and both ends of the mounting frame by the energized operation of the motor, thereby driving the mounting frame to move vertically along the guide rail, changing the position of the mounting frame, controlling the installation positions of the three fans, facilitating position switching in the later stage, and accelerating the air flow inside the cabinet body by the energized operation of the three fans, facilitating rapid refrigeration inside the cabinet body.

[0009] Preferably, gaps are left between the top and bottom surfaces of the partition plate and the inner wall of the cabinet body, and a gap is left between the partition plate and the cabinet door. By using this solution, it is convenient to provide a channel for air circulation, and at the same time isolate the middle space of the inner wall of the cabinet body to form two spaces, facilitating the self-circulation of air.

[0010] Preferably, a single-chip microcomputer, a control panel, and a control switch are integrated on the control module. The control switch is electrically connected to the temperature sensor. The single-chip microcomputer in this solution controls the operation of multiple components and processes signals. At the same time, a temperature adjustment knob is installed on the control panel, facilitating the adjustment and control of the temperature inside the cabinet body. At the same time, the control switch is connected in series with the temperature sensor, and the signal transmission of the temperature sensor is controlled through the control switch, thereby facilitating the operator to switch between the automatic operation and manual operation of the refrigeration operation.

[0011] The utility model has the following advantages:

[0012] 1. For this power-off prevention self-circulation refrigeration freezer, by setting the cabinet body and the partition plate, ventilation grooves are provided on both sides of the top surface of the cabinet body. By setting the evaporator, compressor, throttling device, and condenser, the evaporator is installed inside one ventilation groove, and the refrigerant evaporates inside the evaporator, absorbing heat, making the air cool and sink, and accumulating towards the bottom end of the cabinet body. Correspondingly, the warmer air on the other side of the cabinet body is squeezed and lifted upwards into the communication box, thereby forming an air self-circulation inside the cabinet body. At the same time, the control switch disconnects the temperature sensor from the single-chip microcomputer, thereby facilitating stable refrigeration of the freezer, and the overall structure is simple, effectively solving the problems existing in the prior art.

[0013] 2. The power-off prevention self-circulation refrigeration freezer is provided with a communication box. A circulation plate and two guide rails are installed on the inner wall of the communication box. An installation frame is installed between the two guide rails. At the same time, three fans are installed on the installation frame. When a large number of foods with a relatively high temperature are placed in the cabinet body, the two motors are powered on and run to drive the installation frame to lower its height. At the same time, the three fans are powered on and move to accelerate the circulation of air inside the cabinet body and the communication box, facilitating rapid refrigeration of the interior of the cabinet body. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the whole of the present utility model from the first perspective;

[0015] Figure 2 It is a schematic structural diagram of the whole of the present utility model from the second perspective;

[0016] Figure 3 It is a schematic sectional structural diagram of the whole of the present utility model;

[0017] Figure 4 It is a schematic structural diagram of the cabinet body of the present utility model;

[0018] Figure 5 It is a schematic sectional structural diagram of a part of the communication box of the present utility model;

[0019] Figure 6 It is a schematic refrigeration cycle structural diagram of the present utility model;

[0020] Figure 7 It is a schematic structural diagram of the communication box of the present utility model;

[0021] Figure 8 It is a schematic structural diagram of the installation frame of the present utility model.

[0022] In the figure: 1 - cabinet body, 2 - temperature sensor, 3 - lead screw, 4 - spacer, 5 - throttle, 6 - cabinet door, 7 - protective cover, 8 - communication box, 9 - condenser, 10 - ventilation groove, 11 - evaporator, 12 - fan, 13 - compressor, 14 - guide rail, 15 - guide rail, 16 - circulation plate, 17 - installation frame. Detailed Embodiment

[0023] The following further describes the present utility model with reference to the accompanying drawings, but the protection scope of the present utility model is not limited to the following.

[0024] Such as Figures 1 to 8As shown in the figure, an anti-power-off self-circulating refrigerating freezer includes a cabinet body 1. On one side of the cabinet body 1, a cabinet door 6 for opening and closing is provided. On one side of the inner wall of the cabinet body 1, a partition plate 4 is installed. In the middle of the partition plate 4, a temperature sensor 2 is installed. On the top of the cabinet body 1, a connecting box 8 and a protective cover 7 are installed in sequence from bottom to top. On both sides of the top surface of the cabinet body 1, ventilation grooves 10 are opened. Inside one ventilation groove 10, an evaporator 11 is installed. In the middle of the connecting box 8, a flow-through plate 16 is installed, and a groove is opened in the middle of its bottom surface. On both sides of the flow-through plate 16, guide rails 15 are installed. Between the guide rails 15, an installation frame 17 that can move vertically is installed. On one side of it, three fans 12 are installed. On the top surface of the connecting box 8, a compressor 13 and a throttle 5 are installed respectively. On the side of the cabinet body 1 away from the cabinet door 6, a condenser 9 is installed. On one side of the protective cover 7, a control module is installed.

[0025] On both sides of the inner wall of the cabinet body 1 and on both sides of the partition plate 4, U-shaped mounting grooves are installed. Between adjacent two U-shaped mounting grooves, a loading rack is installed. As an optional technical solution of the present invention, multiple loading racks are designed in layers, thereby providing more placement positions for food, improving the space utilization rate inside the cabinet body 1. At the same time, the loading rack is designed with a hollow structure, which is convenient for air to flow, and the flowing air passes through multiple layers of loading racks in sequence, which is convenient for freezing food.

[0026] One side of the cabinet door 6 is rotatably connected to the cabinet body 1 through a hinge. The middle of the cabinet door 6 is hollowed out, and tempered glass is inlaid inside it. As an optional technical solution of the present invention, this is convenient for the user to observe the food storage position inside the cabinet body 1 through the tempered glass, and it is convenient to quickly judge the placement position of the food before the cabinet door 6 is opened. Then when taking it, the opening time of the cabinet door 6 can be shortened as much as possible, and the escape amount of cold air to the outside can be reduced.

[0027] In the middle of the top surface of the connecting box 8, a motor 14 is installed, and screw rods 3 are installed at the output ends of both of them. The two screw rods 3 are threadedly connected to both ends of the installation frame 17. As an optional technical solution of the present invention, it is convenient to drive the relative rotation between the two screw rods 3 and both ends of the installation frame 17 by energizing and running the motor 14, thereby driving the installation frame 17 to move vertically along the guide rail 14, changing the position of the installation frame 17, controlling the installation positions of the three fans 12, facilitating the later position switching, and accelerating the air flow inside the cabinet body 1 by energizing and running the three fans 12, which is convenient to realize the rapid refrigeration inside the cabinet body 1.

[0028] There are gaps between the top and bottom surfaces of the partition plate 4 and the inner wall of the cabinet body 1, and there is a gap between the partition plate 4 and the cabinet door 6. As an optional technical solution of the present invention, this is convenient for providing a channel for air circulation, and at the same time isolating the middle space of the inner wall of the cabinet body 1 to form two spaces, which is convenient for the air to circulate by itself.

[0029] The control module is integrated with a single-chip microcomputer, a control panel and a control switch. The control switch is electrically connected to the temperature sensor 2. As an alternative technical solution of the present utility model, the single-chip microcomputer controls the operation of multiple components and processes signals. At the same time, a temperature adjustment knob is installed on the control panel to facilitate the adjustment and control of the temperature inside the cabinet 1. At the same time, the control switch is connected in series with the temperature sensor 2, and the signal transmission of the temperature sensor 2 is controlled through the control switch, thereby facilitating the operator to switch between the automatic operation and the manual operation of the refrigeration operation.

[0030] The power-off protection self-circulation refrigeration freezer needs the following steps when in use:

[0031] 1) When in use, the refrigerant evaporates inside the evaporator 11, absorbs heat, cools the air and makes it sink, and accumulates at the bottom end of the cabinet 1;

[0032] 2) The warmer air on the other side of the cabinet 1 is squeezed and lifted upward into the inside of the communication box 8, thereby forming an air self-circulation inside the cabinet 1;

[0033] 3) When quickly freezing the inside of the cabinet 1, the two motors 14 are powered on and run to drive the mounting frame 17 to lower the height;

[0034] 4) The three fans 12 are powered on and move to accelerate the circulation of air inside the cabinet 1 and the communication box 14, facilitating the rapid refrigeration of the inside of the cabinet 1.

[0035] In summary, when the user uses it, by setting the cabinet 1 and the partition board 4, ventilation grooves 10 are provided on both sides of the top surface of the cabinet 1. By setting the evaporator 11, the compressor 13, the throttle 5 and the condenser 9, the evaporator 11 is installed inside one ventilation groove 10, and the refrigerant evaporates inside the evaporator 11, absorbs heat, cools the air and makes it sink, and accumulates at the bottom end of the cabinet 1. Correspondingly, the warmer air on the other side of the cabinet 1 is squeezed and lifted upward into the inside of the communication box 8, thereby forming an air self-circulation inside the cabinet 1. At the same time, the control switch disconnects the temperature sensor 2 from the single-chip microcomputer, thereby facilitating the realization of stable refrigeration of the freezer, and the overall structure is simple, effectively solving the problems existing in the prior art. Then, by setting the communication box 5, a flow plate 16 and two guide rails 15 are installed on its inner wall, an installation frame 17 is installed between the two guide rails 15, and three fans 12 are installed on the installation frame 17. When placing foods with higher temperature and larger quantity in the cabinet 1, the two motors 14 are powered on and run to drive the mounting frame 17 to lower the height, and at the same time, the three fans 12 are powered on and move to accelerate the circulation of air inside the cabinet 1 and the communication box 14, facilitating the rapid refrigeration of the inside of the cabinet 1.

[0036] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A self-circulating refrigeration freezer with power failure prevention, characterized in that: The cabinet (1) comprises a cabinet body (1), one side of which is provided with a cabinet door (6) that can be opened and closed, a partition plate (4) is installed on one side of the inner wall of the cabinet (1), a temperature sensor (2) is installed in the middle of the partition plate (4), a connecting box (8) and a protective cover (7) are installed on the top of the cabinet (1) in order from bottom to top, ventilation grooves (10) are opened on both sides of the top surface of the cabinet (1), an evaporator (11) is installed inside one of the ventilation grooves (10), and the connecting box (8) is provided with a protective cover (7) on the top of the cabinet (1). A circulation plate (16) is installed in the middle, and a groove is opened in the middle of the bottom surface thereof. Guide rails (15) are installed on both sides of the circulation plate (16), and a mounting frame (17) capable of vertical movement is installed between the guide rails (15). Three fans (12) are installed on one side thereof. A compressor (13) and a throttle (5) are respectively installed on the top surface of the connecting box (8). A condenser (9) is installed on the side of the cabinet body (1) away from the cabinet door (6), and a control module is installed on one side of the protective cover (7).

2. The power-off-proof self-circulating refrigeration freezer according to claim 1, characterized in that: Both sides of the inner wall of the cabinet (1) and both sides of the partition plate (4) are provided with U-shaped installation grooves, and a storage rack is provided between two adjacent U-shaped installation grooves.

3. The power-off-proof self-circulating refrigeration freezer according to claim 2, characterized in that: One side of the cabinet door (6) is rotatably connected to the cabinet body (1) via a hinge; the middle of the cabinet door (6) is hollowed out and tempered glass is inlaid inside.

4. The power-off-proof self-circulating refrigeration freezer according to claim 3, characterized in that: A motor (14) is installed in the middle of the top surface of the connecting box (8), and screw rods (3) are installed at the output ends of both. The two screw rods (3) are threadedly connected to the two ends of the mounting frame (17).

5. The power-off-proof self-circulating refrigeration freezer according to claim 4, characterized in that: There is a gap between the top surface and the bottom surface of the partition plate (4) and the inner wall of the cabinet body (1), and there is a gap between the partition plate (4) and the cabinet door (6).

6. The power-off-proof self-circulating refrigeration freezer according to claim 5, characterized in that: The control module is integrated with a single-chip microcomputer, a control panel and a control switch, and the control switch is electrically connected to the temperature sensor (2).

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