A multi-stage liquid supply refrigeration device

Abstract

The utility model discloses a kind of multistage liquid supply refrigeration devices, belong to refrigeration device technical field, comprising: multiple liquid distribution headers, liquid inlet is opened on it;Gas outlet manifold, pressure machine import is provided on it;Multiple heat exchange mechanisms, it is arranged along linear direction and passes through ice mould, and multiple heat exchange mechanisms are communicated multiple liquid distribution headers and gas outlet manifold;The utility model is connected by the liquid inlet of multiple liquid distribution headers and liquid accumulator, the compressor of the pressure machine import of gas outlet manifold intercommunication, multiple heat exchange mechanisms are connected multiple liquid distribution headers and gas outlet manifold in parallel, so that the refrigeration device of ice maker multipath design, greatly improve the efficiency of refrigeration, balance refrigeration energy consumption, and refrigeration uniformity is strong.

Description

Technical Field

[0001] This utility model belongs to the field of refrigeration equipment technology, and in particular relates to a multi-stage liquid supply refrigeration device. Background Technology

[0002] Currently, ice makers use a single-circuit refrigeration system, which results in low refrigeration efficiency, high energy consumption, and poor refrigeration uniformity. Utility Model Content

[0003] The purpose of this utility model is to provide a multi-stage liquid supply refrigeration device in order to solve the above-mentioned problems.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a multi-stage liquid supply refrigeration device, comprising:

[0005] Multiple liquid distribution manifolds, each with a liquid inlet;

[0006] The main exhaust pipe is equipped with a compressor inlet.

[0007] Multiple heat exchange mechanisms are arranged in a straight line and pass through the ice mold, and the multiple heat exchange mechanisms are connected to multiple liquid distribution manifolds and the gas outlet manifold.

[0008] As a further description of the above technical solution:

[0009] The heat exchange mechanism includes multiple evaporators and multiple flow channels. The multiple evaporators are interlocked with each other and pass through the ice mold. The multiple flow channels pass through the multiple evaporators. Each flow channel corresponds to a liquid distribution manifold. One end of each flow channel is connected to the corresponding liquid distribution manifold through a refrigeration inlet pipe, and the other end of each flow channel is connected to the main outlet pipe through a refrigeration outlet pipe.

[0010] As a further description of the above technical solution:

[0011] The refrigeration inlet pipe is connected to the corresponding liquid distribution manifold via a throttle valve.

[0012] As a further description of the above technical solution:

[0013] The evaporator is provided with multiple parallel pipes that pass through it, and multiple bends connect the multiple pipes on at least two of the evaporators to form the flow channel.

[0014] As a further description of the above technical solution:

[0015] One side of the evaporator is provided with a tenon, and the other side of the evaporator is provided with a mortise. The tenon of one evaporator is inserted into the mortise of the adjacent evaporator.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0017] 1. In this utility model, the liquid inlets of multiple liquid distribution manifolds are connected to the liquid storage tank, and the gas outlet main pipe is connected to the compressor inlet. Multiple heat exchange mechanisms are connected in parallel to the multiple liquid distribution manifolds and the gas outlet main pipe, which makes the refrigeration device of the ice maker multi-path design, greatly improving the refrigeration efficiency, balancing the refrigeration energy consumption, and providing strong refrigeration uniformity.

[0018] 2. In this utility model, multiple flow channels are formed in multiple evaporators, and the multiple flow channels are respectively connected to the liquid distribution manifold, thereby improving the uniformity of refrigeration. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a multi-stage liquid supply refrigeration device.

[0020] Figure 2 This is a cross-sectional view of a multi-stage liquid supply refrigeration device.

[0021] Figure 3 This is an exploded view of a multi-stage liquid supply refrigeration device.

[0022] Figure 4 This is a schematic diagram of the overall structure of the evaporator in a multi-stage liquid supply refrigeration device.

[0023] Legend:

[0024] 1. Liquid distribution manifold; 2. Liquid inlet; 3. Gas outlet manifold; 4. Connecting to compressor inlet; 5. Heat exchange mechanism; 51. Evaporator; 52. Flow channel; 6. Ice mold; 7. Refrigeration inlet pipe; 8. Refrigeration outlet pipe; 9. Throttling valve; 10. Pipe; 11. Elbow; 12. Tenon; 13. Mortise and tenon. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-4 This utility model provides a technical solution: a multi-stage liquid supply refrigeration device, comprising:

[0027] Multiple liquid distribution manifolds 1, each with a liquid inlet 2;

[0028] The main exhaust pipe 3 is equipped with a compressor inlet 4;

[0029] Multiple sets of heat exchange mechanisms 5 are arranged in a straight line and pass through the ice mold 6, and the multiple sets of heat exchange mechanisms 5 are connected to multiple liquid distribution manifolds 1 and the gas outlet manifold 3.

[0030] The heat exchange mechanism 5 includes multiple evaporators 51 and multiple flow channels 52. The multiple evaporators 51 are interlocked and pass through the ice mold 6. The multiple flow channels 52 pass through the multiple evaporators 51. Each flow channel 52 corresponds to a liquid distribution manifold 1. One end of each flow channel 52 is connected to the corresponding liquid distribution manifold 1 through a refrigeration inlet pipe 7, and the other end of each flow channel 52 is connected to the main gas outlet pipe 3 through a refrigeration outlet pipe 8. Multiple flow channels 52 are formed in the multiple evaporators 51, and each flow channel 52 is connected to a liquid distribution manifold 1, thereby improving the uniformity of refrigeration.

[0031] The refrigeration inlet pipe 7 is connected to the corresponding liquid distribution manifold 1 through the throttle valve 9;

[0032] The evaporator 51 is provided with multiple parallel pipes 10 that pass through the evaporator 51, and multiple bends 11 connect at least two of the multiple pipes 10 on the evaporator 51 to form the flow channel 52.

[0033] One side of the evaporator 51 is provided with a tenon 12, and the other side of the evaporator 51 is provided with a tenon 13. The tenon 12 of one evaporator 51 is inserted into the tenon 13 of the adjacent evaporator 51, which facilitates the snap-fit ​​installation between the evaporators 51.

[0034] Working principle: First, the inlet 2 of multiple liquid distribution manifolds 1 is connected to the liquid receiver. The refrigerant enters from the liquid distribution manifolds 1 through the throttle valve 9 and the refrigerant inlet pipe 7 into multiple flow channels 52 in multiple heat exchange mechanisms 5. Second, the refrigerant in the flow channels 52 exchanges heat with the ice mold 6. Finally, the refrigerant in the flow channels 52 flows through the throttle valve 9 and the refrigerant outlet pipe 8 into the main exhaust pipe 3, realizing multi-channel series refrigeration.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multi-stage liquid supply refrigeration device, characterized in that: include: Multiple liquid distribution manifolds (1) are provided with liquid inlets (2); The main exhaust pipe (3) is equipped with a compressor inlet (4); Multiple heat exchange mechanisms (5) are arranged in a straight line and pass through the ice mold (6), and the multiple heat exchange mechanisms (5) are connected to multiple liquid distribution manifolds (1) and the gas outlet manifold (3).

2. The multi-stage liquid supply refrigeration device according to claim 1, characterized in that, The heat exchange mechanism (5) includes multiple evaporators (51) and multiple flow channels (52). The multiple evaporators (51) are interlocked and pass through the ice mold (6). The multiple flow channels (52) pass through the multiple evaporators (51). Each flow channel (52) corresponds to a liquid distribution manifold (1). One end of each flow channel (52) is connected to the corresponding liquid distribution manifold (1) through a refrigeration inlet pipe (7). The other end of each flow channel (52) is connected to the main gas outlet pipe (3) through a refrigeration outlet pipe (8).

3. The multi-stage liquid supply refrigeration device according to claim 2, characterized in that, The refrigeration inlet pipe (7) is connected to the corresponding liquid distribution manifold (1) through a throttle valve (9).

4. The multi-stage liquid supply refrigeration device according to claim 3, characterized in that, The evaporator (51) is provided with multiple parallel pipes (10) that pass through the evaporator (51), and multiple bends (11) connect the multiple pipes (10) on at least two of the evaporators (51) to form the flow channel (52).

5. A multi-stage liquid supply refrigeration device according to claim 4, characterized in that, One side of the evaporator (51) is provided with a tenon (12), and the other side of the evaporator (51) is provided with a mortise (13). The tenon (12) of one of the evaporators (51) is inserted into the mortise (13) of the adjacent evaporator (51).

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