Low-energy-consumption circulating refrigeration device

Abstract

The utility model discloses a low-energy-consumption circulating refrigeration device, and relates to the technical field of refrigeration. Mounting the main board; a condenser; two fans; a refrigeration system; the refrigeration system is characterized by comprising a compressor, a gas-liquid separation tank and a flash tank, a four-way connection structure; provided is a double-electronic-expansion-valve structure. According to the utility model, the four-way valve connecting structure is arranged in the cooling system, so that the working cycle in the cooling system can be effectively controlled, and meanwhile, the working cycle in the cooling system can be normally carried out by utilizing a double-electronic expansion valve structure. In other words, the refrigerating device is simple in overall structure, the working state in the refrigerating device can be monitored and adjusted in real time, and the defect that in the prior art, the refrigerating energy efficiency is too high due to the fact that pipeline structures are complex and many is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration, in particular to a low-energy-consumption circulating refrigeration device. Background Art

[0002] Generally, a refrigeration system is assembled with components such as a compressor, a condenser, an evaporator, etc. Heat is transferred from one place to another through the circulating refrigerant to achieve the cooling effect. The working principle of the refrigeration cycle system is based on the cycle process of compression, cooling, expansion and evaporation of substances to achieve the purpose of temperature control and regulation.

[0003] At present, although the existing refrigeration system realizes refrigeration by setting various structures, in the prior art, due to its diverse structures, the pipeline connection is complex, resulting in too high refrigeration energy efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defect of too high refrigeration energy efficiency caused by the complex and numerous pipeline structures in the prior art, and to propose a low-energy-consumption circulating refrigeration device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A low-energy consumption cycle refrigeration device, comprising: an installation box body, the installation box body is in a square frame structure, and a door panel is arranged outside the installation box body; an installation main board, the installation main board is arranged at the inner bottom of the installation box body, and an installation bracket is arranged on one side of the installation main board, and the installation main board and the installation bracket are used for installing the internal structure located in the installation box body; a condenser, the condenser is in a C-shaped structure, a heat dissipation copper row is arranged inside the condenser, and a plurality of copper pipe interfaces are arranged on the outside of one side of the condenser where the heat dissipation copper row extends, the condenser is arranged on one side of the installation main board, and the opening of the condenser faces the installation bracket; two fans, the two fans are symmetrically arranged at the top of the installation box body, and the two fans are located above the C-shaped opening of the condenser, and the two fans are communicated with the inside of the installation box body; a refrigeration system, the refrigeration system is arranged inside the installation box body, the refrigeration system is arranged on the other side of the installation main board, one end of the refrigeration system is connected to the plurality of copper pipe interfaces of the condenser, and the other end of the refrigeration system is connected to the outside of the installation box body; characterized in that the refrigeration system comprises: a compressor, a gas-liquid separation tank and a flash tank, the compressor, the gas-liquid separation tank and the flash tank are all arranged on the installation main board and are located at the C-shaped opening of the condenser, and the compressor, the gas-liquid separation tank and the flash tank are arranged in parallel along the C-shaped opening of the condenser; a four-way connection structure, the four-way connection structure is arranged above the compressor, the compressor is connected to the condenser through the four-way connection structure, and the compressor is connected to the gas-liquid separation tank through the four-way connection structure; a double electronic expansion valve structure, the double electronic expansion valve structure is arranged on the installation main board through the installation bracket, the double electronic expansion valve structure is located on one side of the flash tank, the flash tank is connected to the condenser through the double electronic expansion valve structure, and the other end of the flash tank is connected to the outside of the installation box body.

[0007] In some feasible solutions, the four-way connection structure includes:

[0008] A four-way valve, the four-way valve is arranged above the compressor, and a first connection port, a second connection port, a third connection port and a fourth connection port are arranged on the four-way valve;

[0009] Wherein, the first connection port is located on one side of the four-way valve, and the second connection port, the third connection port and the fourth connection port are parallelly located on the other side of the four-way valve;

[0010] A first connecting pipe, one end of the first connecting pipe is connected to the four-way valve through the fourth connection port, and the other end of the first connecting pipe is connected to the condenser;

[0011] The second connecting pipe, one end of the second connecting pipe is connected to the first connection port of the four-way valve, and the other end of the second connecting pipe is connected to the compressor;

[0012] The third connecting pipe, one end of the third connecting pipe is connected to the third connection port of the four-way valve, and the other end of the third connecting pipe is connected to the gas-liquid separation tank;

[0013] The fourth connecting pipe, one end of the fourth connecting pipe is arranged at the second connection port of the four-way valve, and a ball valve is further arranged at the other end of the fourth connecting pipe, and the ball valve is used to connect the liquid inlet pipe and the liquid return pipe of the cooling system;

[0014] The fifth connecting pipe, one end of the fifth connecting pipe is connected to the gas-liquid separation tank, and the other end of the fifth connecting pipe is connected to the compressor.

[0015] In some feasible solutions, a first sensor is further arranged on the second connecting pipe.

[0016] In some feasible solutions, a second sensor is also arranged on the third connecting pipe.

[0017] In some feasible solutions, the first sensor is a low-pressure sensor.

[0018] In some feasible solutions, the second sensor is a high-pressure sensor.

[0019] In some feasible solutions, the double electronic expansion valve structure includes:

[0020] The first expansion valve, the first expansion valve is arranged on one side of the top end of the flash tank, and one end of the first expansion valve is communicated with the inside of the flash tank;

[0021] The copper filter, the copper filter is arranged on the mounting bracket, one end of the copper filter is connected to the other end of the first expansion valve, and the other end of the copper filter is connected to the external liquid inlet;

[0022] The second expansion valve, the second expansion valve is arranged on the other side of the top end of the flash tank, and one end of the second expansion valve is communicated with the inside of the flash tank;

[0023] The drying filter, the drying filter is arranged on the mounting bracket, the drying filter is located above the copper filter, one end of the drying filter is connected to the second expansion valve, and the other end of the drying filter is connected to the condenser.

[0024] The beneficial effects of the present utility model are:

[0025] The utility model can effectively control the working cycle in the cooling system by setting a four-way valve connection structure in the cooling system, and at the same time use the double electronic expansion valve structure to ensure that the working cycle in the cooling system can proceed normally. That is, the overall structure of this refrigeration device is simple, and it can monitor and adjust the internal working state in real time, effectively solving the disadvantages of complex and numerous pipeline structures in the prior art, resulting in too high refrigeration energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 FIG. is a schematic structural diagram of a low-energy consumption cycle refrigeration device provided in an embodiment of the utility model;

[0027] Figure 2 FIG. is a schematic structural diagram of a condenser in a low-energy consumption cycle refrigeration device provided in an embodiment of the utility model;

[0028] Figure 3 FIG. is a schematic structural diagram of a refrigeration system in a low-energy consumption cycle refrigeration device provided in an embodiment of the utility model.

[0029] The markings in the figures are shown as follows:

[0030] 1. Installation box; 11. Installation main board; 111. Installation bracket; 12. Door panel;

[0031] 2. Condenser;

[0032] 3. Compressor; 31. Four-way valve; 311. First connecting pipe; 32. Second connecting pipe; 321. First sensor; 33. Third connecting pipe; 331. Second sensor; 34. Fourth connecting pipe; 341. Ball valve;

[0033] 4. Gas-liquid separation tank; 41. Fifth connecting pipe;

[0034] 5. Flash tank; 51. Drying filter; 511. First expansion valve; 52. Copper filter; 521. Second expansion valve;

[0035] 6. Fan. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0037] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0038] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0040] Embodiment

[0041] Refer to Figures 1 to 3, in order to solve the disadvantages of complex and numerous pipeline structures in the prior art that lead to high refrigeration energy consumption, the present utility model provides a low-energy consumption circulating refrigeration device. The refrigeration device includes: an installation box body 1, an installation main board 11, two fans 6, a condenser 2 and a refrigeration system. The installation box body 1 has a square frame structure, and a door panel 12 is provided on the outside of the installation box body 1. The door panel 12 is used to enclose the outside of the installation box body 1 to protect the structures located inside the installation box body 1. The installation main board 11 is arranged at the inner bottom of the installation box body 1, and an installation bracket 111 is arranged on one side of the installation main board 11. The installation main board 11 and the installation bracket 111 are used to install the structures located inside the installation box body 1. The condenser 2 has a C-shaped structure, and a heat dissipation copper row (not shown in the figure) is arranged inside the condenser 2. The heat dissipation copper row extends to the outside of one side of the condenser 2 and is provided with a plurality of copper pipe interfaces (not shown in the figure). The condenser 2 is arranged on one side of the installation main board 11, and the opening of the condenser 2 faces the installation bracket 111. That is, the condenser 2 is located on one side of the refrigeration system. The two fans 6 are symmetrically arranged at the top of the installation box body 1, and the two fans 6 are located above the C-shaped opening of the condenser 2. The two fans 6 are connected to the inside of the installation box body 1 to realize the rapid heat dissipation of the heat generated by the condenser 2 and other structures inside the installation box body 1 by using the fans 6, and to ensure the refrigeration and heat dissipation cycle of the whole structure. The refrigeration system is arranged inside the installation box body 1, and the refrigeration system is arranged on the other side of the installation main board 11. One end of the refrigeration system is connected to the plurality of copper pipe interfaces of the condenser 2, and the other end of the refrigeration system is connected to the outside of the installation box body 1 to facilitate the discharge of the cooled liquid. Specifically, the refrigeration system includes: a compressor 3, a gas-liquid separation tank 4, a flash tank 5, a four-way connection structure and a double electronic expansion valve structure. The compressor 3, the gas-liquid separation tank 4 and the flash tank 5 are arranged on the installation main board 11 and are located at the C-shaped opening of the condenser 2. The compressor 3, the gas-liquid separation tank 4 and the flash tank 5 are arranged in parallel along the C-shaped opening of the condenser 2. The four-way connection structure is arranged above the compressor 3. The compressor 3 is connected to the condenser 2 through the four-way connection structure, and the compressor 3 is connected to the gas-liquid separation tank 4 through the four-way connection structure. The double electronic expansion valve structure is arranged on the installation main board 11 through the installation bracket 111. The double electronic expansion valve structure is located on one side of the flash tank 5. The flash tank 5 is connected to the condenser 2 through the double electronic expansion valve structure, and the other end of the flash tank 5 is connected to the outside of the installation box body 1.To enable the flash tank 5 to evaporate the low-pressure and low-temperature cooling liquid into a low-temperature and low-pressure gas and input it into the condenser 2 for heat absorption. Then, through the four-way connection structure, the compressor 3 raises the low-temperature and low-pressure gaseous refrigerant to a high-temperature and high-pressure gas and inputs it into the condenser 2 for heat release. The liquid formed after heat release or the low-temperature and low-pressure gas evaporated in the flash tank 5 is sent into the gas-liquid separation tank 4 for gas-liquid separation to effectively achieve the refrigeration cycle.

[0042] In this embodiment, the four-way connection structure includes: a four-way valve 31, a first connecting pipe 311, a second connecting pipe 32, a third connecting pipe 33, a fourth connecting pipe 34, a fifth connecting pipe 41, and a ball valve 341. The four-way valve 31 is disposed above the compressor 3. The four-way valve 31 has four connection ports, that is, the four-way valve 31 has a first connection port, a second connection port, a third connection port, and a fourth connection port. Among them, the first connection port is located on one side of the four-way valve 31, and the second connection port, the third connection port, and the fourth connection port are parallel and located on the other side of the four-way valve 31. One end of the first connecting pipe 311 is connected to the four-way valve 31 through the fourth connection port, and the other end of the first connecting pipe 311 is connected to the condenser 2. One end of the second connecting pipe 32 is connected to the first connection port of the four-way valve 31, and the other end of the second connecting pipe 32 is connected to the compressor 3. One end of the third connecting pipe 33 is connected to the third connection port of the four-way valve 31, and the other end of the third connecting pipe 33 is connected to the gas-liquid separation tank 4. One end of the fourth connecting pipe 34 is disposed at the second connection port of the four-way valve 31, and a ball valve 341 is further provided at the other end of the fourth connecting pipe 34. The ball valve 341 is used to connect the liquid inlet pipe and the liquid return pipe of the cooling system to ensure the normal working cycle of the cooling system. One end of the fifth connecting pipe 41 is connected to the gas-liquid separation tank 4, and the other end of the fifth connecting pipe 41 is connected to the compressor 3 to ensure that the flash tank 5 evaporates the cooling liquid into a low-temperature and low-pressure gas and transmits it to the compressor 3 through the gas-liquid separation tank 4 for compression into a high-temperature and high-pressure gas for circulation, so as to ensure that the overall structure can achieve refrigeration. That is, in this embodiment, the compressor 3, the gas-liquid separation tank 4, and the condenser 2 are integrally connected through the four-way valve 31 and the first connecting pipe 311, the second connecting pipe 32, the third connecting pipe 33, the fourth connecting pipe 34, and the fifth connecting pipe 41, and then the flash tank 5 performs a refrigeration cycle with the condenser 2, the compressor 3, and the gas-liquid separation tank 4. In addition, in this embodiment, in order to better monitor the internal strength of the compressor 3, a first sensor 321 is further provided on the second connecting pipe 32 to collect the refrigerant low-pressure signal by determining the data in the second connecting pipe 32 and convert it into an electrical signal for transmission. Similarly, a second sensor 331 is also provided on the third connecting pipe 33 to collect the refrigerant low-pressure signal and convert it into an electrical signal for transmission. In this embodiment, by providing a four-way valve 31 connection structure in the cooling system, the working cycle in the cooling system can be effectively controlled, and at the same time, the internal state can be monitored in real time by using the provided first sensor 321 and second sensor 331 to ensure that the working cycle in the cooling system can proceed normally. That is, the overall structure of this refrigeration device is simple, and the internal working state can be monitored and adjusted in real time, effectively solving the disadvantages of high refrigeration energy efficiency caused by complex and numerous pipeline structures in the prior art.

[0043] In this embodiment, the double electronic expansion valve structure includes: a first expansion valve 511, a second expansion valve 521, a dryer filter 51, and a copper filter 52. The first expansion valve 511 is disposed on one side of the top of the flash tank 5. One end of the first expansion valve 511 is in communication with the interior of the flash tank 5. The first expansion valve 511 is used to control the throttling of the cooling liquid or gas inside the flash tank 5. The copper filter 52 is disposed on the mounting bracket 111. One end of the copper filter 52 is connected to the other end of the first expansion valve 511, and the other end of the copper filter 52 is connected to the external liquid inlet to ensure the replenishment and input of the coolant. At the same time, the copper filter 52 can filter the cooling liquid of the entire refrigeration system. The second expansion valve 521 is disposed on the other side of the top of the flash tank 5. One end of the second expansion valve 521 is in communication with the interior of the flash tank 5. The second expansion valve 521 is used to cooperate with the first expansion valve 511 to control the throttling of the cooling liquid or gas inside the flash tank 5. The dryer filter 51 is disposed on the mounting bracket 111. The dryer filter 51 is located above the copper filter 52. One end of the dryer filter 51 is connected to the second expansion valve 521, and the other end of the dryer filter 51 is connected to the condenser 2 to enable the gas in the flash tank 5 to undergo gas-liquid separation through the dryer filter 51, ensuring the purity of the internal cooling gas entering the condenser 2, so as to remove the residual moisture in the refrigeration system, prevent ice blockage, and reduce the corrosion effect of moisture on the refrigeration system; at the same time, filter out the impurities in the refrigeration system.

[0044] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A low energy consumption circulating refrigeration device, comprising: An installation box, the installation box is a square frame structure, and a door panel is arranged outside the installation box; A mounting mainboard, the mounting mainboard is arranged at the inner bottom of the mounting box, a mounting bracket is arranged on one side of the mounting mainboard, and the mounting mainboard and the mounting bracket are used to install the internal structure of the mounting box; A condenser, the condenser is in a C-shaped structure, a heat dissipation copper bar is arranged inside the condenser, the heat dissipation copper bar extends to one side of the condenser and a plurality of copper pipe interfaces are arranged on the outside, the condenser is arranged on one side of the mounting mainboard, and the opening of the condenser faces the mounting bracket; Two fans, the two fans are symmetrically arranged at the top of the installation box, and the two fans are located above the C-shaped opening of the condenser, and the two fans are connected to the interior of the installation box; A refrigeration system, wherein the refrigeration system is arranged inside the installation box, the refrigeration system is arranged on the other side of the installation mainboard, one end of the refrigeration system is connected to a plurality of copper pipe interfaces of the condenser, and the other end of the refrigeration system is connected to the outside of the installation box; Characterized in that the refrigeration system comprises: a compressor, a gas-liquid separation tank and a flash tank, wherein the compressor, the gas-liquid separation tank and the flash tank are all arranged on the mounting main board and located at the C-shaped opening of the condenser, and the compressor, the gas-liquid separation tank and the flash tank are arranged in parallel along the C-shaped opening of the condenser; A four-way connection structure, wherein the four-way connection structure is arranged above the compressor, the compressor is connected to the condenser through the four-way connection structure, and the compressor is connected to the gas-liquid separation tank through the four-way connection structure; A dual electronic expansion valve structure, wherein the dual electronic expansion valve structure is arranged on the mounting main board through the mounting bracket, the dual electronic expansion valve structure is located on one side of the flash tank, the flash tank is connected to the condenser through the dual electronic expansion valve structure, and the other end of the flash tank is connected to the outside of the mounting box.

2. A low energy consumption cycle refrigeration device according to claim 1, characterized in that: The four-way connection structure comprises: A four-way valve, the four-way valve is arranged above the compressor, and the four-way valve is provided with a first connection port, a second connection port, a third connection port and a fourth connection port; The first connection port is located on one side of the four-way valve, and the second connection port, the third connection port and the fourth connection port are located in parallel on the other side of the four-way valve; a first connecting pipe, one end of which is connected to the four-way valve via a fourth connecting port, and the other end of which is connected to the condenser; a second connecting pipe, one end of which is connected to the first connecting port of the four-way valve, and the other end of which is connected to the compressor; a third connecting pipe, one end of which is connected to the third connecting port of the four-way valve, and the other end of which is connected to the gas-liquid separation tank; A fourth connecting pipe, one end of which is arranged at the second connecting port of the four-way valve, and the other end of which is also provided with a ball valve, which is used to connect the liquid inlet pipe and the liquid return pipe of the cooling system; A fifth connecting pipe, one end of which is connected to the gas-liquid separation tank, and the other end of which is connected to the compressor.

3. A low energy consumption cycle refrigeration device according to claim 2, characterized in that: The second connecting pipe is also provided with a first sensor.

4. A low energy consumption cycle refrigeration device according to claim 3, characterized in that: The third connecting pipe is also provided with a second sensor.

5. A low energy consumption cycle refrigeration device according to claim 3, characterized in that: The first sensor is a low pressure sensor.

6. A low energy consumption cycle refrigeration device according to claim 4, characterized in that: The second sensor is a high pressure sensor.

7. A low energy consumption cycle refrigeration device according to claim 1, characterized in that: The dual electronic expansion valve structure comprises: A first expansion valve, wherein the first expansion valve is disposed at one side of the top end of the flash tank, and one end of the first expansion valve is connected to the interior of the flash tank; A copper filter, wherein the copper filter is disposed on the mounting bracket, one end of the copper filter is connected to the other end of the first expansion valve, and the other end of the copper filter is connected to an external liquid inlet; a second expansion valve, the second expansion valve being disposed at the other side of the top end of the flash tank, and one end of the second expansion valve being in communication with the interior of the flash tank; A drying filter is arranged on the mounting bracket, the drying filter is located above the copper filter, one end of the drying filter is connected to the second expansion valve, and the other end of the drying filter is connected to the condenser.

Images