Refrigeration equipment with double-loop refrigeration mechanism

By introducing a dual-loop refrigeration mechanism into the refrigeration equipment, two independent refrigeration systems control the temperature at different locations, solving the problem of inaccurate temperature control in traditional refrigeration equipment and achieving higher temperature control accuracy.

CN224162760UActive Publication Date: 2026-04-24DONGGUAN DONGXING FROZEN EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN DONGXING FROZEN EQUIP CO LTD
Filing Date
2025-05-14
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Traditional refrigeration equipment has only one refrigeration system, which leads to a large error between the refrigeration temperature and the set temperature value, low temperature control accuracy, and inability to meet usage requirements.

Method used

It adopts a dual-loop refrigeration mechanism, with two independent refrigeration systems controlling the temperature at different locations. Through the symmetrical arrangement of the refrigeration mechanism and the independent refrigeration cycle design, precise temperature control is achieved.

Benefits of technology

It has improved the temperature control accuracy of refrigeration equipment and met people's needs for using refrigeration equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224162760U_ABST
Patent Text Reader

Abstract

The utility model discloses refrigeration equipment with a double-loop refrigeration mechanism, which comprises a refrigeration equipment shell, refrigeration mechanisms which are symmetrically arranged are fixedly mounted on two sides of the back of the refrigeration equipment shell, a pushing component is fixedly mounted at the bottom end of one side of the refrigeration equipment shell, a length rod is fixedly mounted on one side of the bottom end of the refrigeration equipment shell, and the length rod is fixedly mounted on the other side of the bottom end of the refrigeration equipment shell. First moving wheels are fixedly installed at the bottom ends of the length rods, a moving assembly is fixedly installed on the other side of the bottom end of the refrigeration equipment shell, second moving wheels are fixedly installed at the bottom end of the moving assembly, and the pushing assembly comprises a first positioning plate, a magnetic rod and a second positioning plate. According to the utility model, through the two symmetrically arranged refrigeration mechanisms and the two independent refrigeration systems, each system can independently control the temperature of different positions of the refrigeration equipment, so that the temperature control is more accurate, and the refrigeration requirements of people on the refrigeration equipment can be met.
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Description

Technical Field

[0001] This utility model relates to the field of refrigeration equipment technology, specifically to a refrigeration equipment with a dual-circuit refrigeration mechanism. Background Technology

[0002] The main functions of refrigeration equipment include refrigerating food and other items, conducting performance tests and scientific research at low temperatures, realizing certain cooling processes, and air conditioning. Currently, refrigeration equipment on the market achieves the refrigeration cycle through four basic components: compressor, condenser, expansion valve, and evaporator. The compressor compresses the low-temperature, low-pressure refrigerant into a high-temperature, high-pressure gas. After dissipating heat in the condenser, it becomes a high-pressure liquid. After the expansion valve reduces the pressure, it enters the evaporator to absorb heat and evaporate, thus completing the refrigeration cycle.

[0003] However, traditional refrigeration equipment has the following disadvantages:

[0004] Traditional refrigeration equipment has only one refrigeration system, which is relatively simple in structure. The error between the refrigeration temperature of a single refrigeration unit and the set temperature value is large, which leads to low accuracy in temperature control and fails to meet people's needs for refrigeration equipment. Utility Model Content

[0005] The purpose of this utility model is to provide a refrigeration device with a dual-circuit refrigeration mechanism to solve the problem mentioned in the background art that traditional refrigeration devices only have one refrigeration system, have a relatively simple structure, and have a large error between the refrigeration temperature of a single refrigeration mechanism and the set temperature value. This results in low accuracy of temperature control for the refrigeration device and fails to meet people's needs for refrigeration devices.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a refrigeration device with a dual-circuit refrigeration mechanism, comprising a refrigeration device housing, symmetrically arranged refrigeration mechanisms fixedly installed on both sides of the back of the refrigeration device housing, a pushing component fixedly installed on the bottom of one side of the refrigeration device housing, a length rod fixedly installed on one side of the bottom of the refrigeration device housing, a first moving wheel fixedly installed on the bottom of the length rod, a moving component fixedly installed on the other side of the bottom of the refrigeration device housing, a second moving wheel fixedly installed on the bottom of the moving component, the pushing component comprising a first positioning plate, a magnetic rod, and a second positioning plate, the top of the first positioning plate being fixedly connected to the bottom of the magnetic rod, the top of the magnetic rod being fixedly connected to the bottom of the second positioning plate, a pushing handle being provided on one side of the magnetic rod, both refrigeration mechanisms comprising a mounting housing and a condenser, the top of one side of the mounting housing being fixedly connected to one side of the condenser, an evaporator fixedly installed on the bottom of one side of the mounting housing, an oil separator fixedly installed on the mounting housing below the condenser, and a compressor fixedly installed on the mounting housing above the evaporator.

[0007] Preferably, the condenser's inlet is fixedly connected to a cooling water inlet pipe, the condenser's outlet is fixedly connected to a cooling water outlet pipe, the evaporator's inlet is fixedly connected to a chilled water inlet pipe, and the evaporator's outlet is fixedly connected to a chilled water outlet pipe. Temperature sensors extending into the interior of each of the cooling water inlet pipe, cooling water outlet pipe, chilled water inlet pipe, and chilled water outlet pipe are fixedly installed on their surfaces. Cooling water is injected into the condenser through the cooling water inlet pipe and discharged from the condenser through the cooling water outlet pipe. Chilled water is injected into the evaporator through the chilled water inlet pipe and discharged from the evaporator through the chilled water outlet pipe.

[0008] Preferably, a first connecting pipe is fixedly connected between the condenser and the evaporator, a throttling valve is fixedly installed in the middle of the first connecting pipe, a second connecting pipe is fixedly connected between the condenser and the oil separator, a third connecting pipe is fixedly connected between the oil separator and the compressor, a fourth connecting pipe is fixedly connected between the compressor and the evaporator, and the surface of the mounting housing is fixedly connected to the housing of the refrigeration equipment.

[0009] Preferably, a height block is slidably connected to the middle of the magnetic rod, and magnetic strips are fixedly installed on both sides of the inner wall of the height block. Both magnetic strips are magnetically connected to the magnetic rod. An angle seat is fixedly installed at one end of the height block, and the interior of the angle seat is rotatably connected to one end of the push handle. The user slides the height block along the magnetic rod to adjust the pushing height of the push handle. The height block is magnetically fixed to the magnetic rod by the magnetic rod and magnetic strips.

[0010] Preferably, one end of the second positioning plate is fixedly installed with an elastic buckle, and the push handle is engaged with the elastic buckle. One end of the first positioning plate and the other end of the second positioning plate are both fixedly connected to the housing of the refrigeration equipment. When the user deflects the push handle relative to the angle seat, the push handle is engaged with the elastic buckle, thus completing the storage of the push component.

[0011] Preferably, the moving assembly includes a moving platform and two limiting plates. The two sides of the bottom end of the moving platform are fixedly connected to the top ends of the two limiting plates respectively. Displacement rods are fixedly installed at both ends between the two limiting plates. A displacement block is slidably connected between the two displacement rods. A displacement cylinder is fixedly installed on the surface of one of the limiting plates. The movable end of the displacement cylinder is fixedly connected to the side of the displacement block facing it. The displacement cylinder performs telescopic movement, pushing the displacement block from one side. The displacement block slides along the displacement rod, adjusting the position of the displacement block and indirectly adjusting the distance between the first moving wheel and the second moving wheel. The installation of the moving wheels facilitates the user's transfer and transportation of the refrigeration equipment.

[0012] Preferably, the bottom end of the displacement block is fixedly connected to the second moving wheel, the top end of the moving platform is fixedly connected to the housing of the refrigeration equipment, the moving component is connected to the second moving wheel through the displacement block, and the moving component is mounted on the housing of the refrigeration equipment through the moving platform.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by using two symmetrically arranged refrigeration mechanisms and two independent refrigeration systems, each system can independently control the temperature at different locations of the refrigeration equipment. This design makes the temperature control more precise and can meet people's refrigeration needs for refrigeration equipment. Attached Figure Description

[0014] Figure 1 This is a side view of the present invention;

[0015] Figure 2 This is a perspective view of the mobile component of this utility model;

[0016] Figure 3 This is a side view of the pushing component of this utility model;

[0017] Figure 4 This is a side view of the refrigeration mechanism of this utility model.

[0018] In the diagram: 1. Refrigeration equipment casing; 2. Refrigeration mechanism; 201. Mounting casing; 202. Condenser; 203. Oil separator; 204. Compressor; 205. Evaporator; 206. Cooling water outlet pipe; 207. Cooling water inlet pipe; 208. Chilled water inlet pipe; 209. Chilled water outlet pipe; 210. Temperature sensor; 211. First connecting pipe; 212. Throttling valve; 213. Second connecting pipe; 21 4. Third connecting pipe; 215. Fourth connecting pipe; 3. Length rod; 4. First moving wheel; 5. Moving assembly; 51. Moving platform; 52. Limiting plate; 53. Displacement rod; 54. Displacement block; 55. Displacement cylinder; 6. Second moving wheel; 7. Pushing assembly; 71. First positioning plate; 72. Height block; 73. Magnetic rod; 74. Second positioning plate; 75. Elastic buckle; 76. Push handle; 77. Angle seat; 78. Magnetic strip. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Please see Figure 1-4This utility model provides a refrigeration device with a dual-circuit refrigeration mechanism, including a refrigeration device housing 1. Symmetrically arranged refrigeration mechanisms 2 are fixedly installed on both sides of the back of the refrigeration device housing 1. A pushing component 7 is fixedly installed at the bottom of one side of the refrigeration device housing 1. A length rod 3 is fixedly installed on one side of the bottom of the refrigeration device housing 1, and a first moving wheel 4 is fixedly installed at the bottom of the length rod 3. A moving component 5 is fixedly installed on the other side of the bottom of the refrigeration device housing 1, and a second moving wheel 6 is fixedly installed at the bottom of the moving component 5. The pushing component 7 includes a first positioning plate 71, a magnetic rod 73, and a second positioning plate 74. The top end of the first positioning plate 71 is fixedly connected to the bottom end of the magnetic rod 73, and the top end of the magnetic rod 73 is fixedly connected to the bottom end of the second positioning plate 74. A push handle 76 is provided on one side of the magnetic rod 73. Both refrigeration mechanisms 2 include a mounting housing 201 and a condenser 202. The top end of one side of the mounting housing 201 is fixedly connected to one side of the condenser 202. An evaporator 205 is fixedly installed at the bottom end of one side of the mounting housing 201. An oil separator 203 located below the condenser 202 is fixedly installed on the mounting housing 201. A compressor 204 located above the evaporator 205 is fixedly installed on the mounting housing 201.

[0021] The inlet of the condenser 202 is fixedly connected to a cooling water inlet pipe 207, and the outlet of the condenser 202 is fixedly connected to a cooling water outlet pipe 206. The inlet of the evaporator 205 is fixedly connected to a chilled water inlet pipe 208, and the outlet of the evaporator 205 is fixedly connected to a chilled water outlet pipe 209. Temperature sensors 210 extending into the surface of the cooling water inlet pipe 207, the cooling water outlet pipe 206, the chilled water inlet pipe 208, and the chilled water outlet pipe 209 are all fixedly installed. Cooling water is injected into the condenser 202 through the cooling water inlet pipe 207 and discharged from the condenser 202 through the cooling water outlet pipe 206. Chilled water is injected into the evaporator 205 through the chilled water inlet pipe 208 and discharged from the evaporator 205 through the chilled water outlet pipe 209.

[0022] A first connecting pipe 211 is fixedly connected between the condenser 202 and the evaporator 205. A throttle valve 212 is fixedly installed in the middle of the first connecting pipe 211. A second connecting pipe 213 is fixedly connected between the condenser 202 and the oil separator 203. A third connecting pipe 214 is fixedly connected between the oil separator 203 and the compressor 204. A fourth connecting pipe 215 is fixedly connected between the compressor 204 and the evaporator 205. The surface of the mounting housing 201 is fixedly connected to the housing 1 of the refrigeration equipment.

[0023] A height block 72 is slidably connected to the middle of the magnetic rod 73. Magnetic strips 78 are fixedly installed on both sides of the inner wall of the height block 72. Both magnetic strips 78 are magnetically connected to the magnetic rod 73. An angle seat 77 is fixedly installed at one end of the height block 72. The interior of the angle seat 77 is rotatably connected to one end of the push handle 76. The user slides the height block 72 along the magnetic rod 73 to adjust the pushing height of the push handle 76. The height block 72 is magnetically fixed to the magnetic rod 73 by the magnetic rod 73 and the magnetic strips 78.

[0024] One end of the second positioning plate 74 is fixedly installed with an elastic buckle 75. The push handle 76 is engaged with the elastic buckle 75. One end of the first positioning plate 71 and the other end of the second positioning plate 74 are both fixedly connected to the housing 1 of the refrigeration equipment. The user deflects the push handle 76 relative to the angle seat 77, so that the push handle 76 is engaged with the elastic buckle 75, thus completing the storage of the push component 7.

[0025] The moving component 5 includes a moving platform 51 and two limiting plates 52. The two sides of the bottom end of the moving platform 51 are fixedly connected to the top ends of the two limiting plates 52 respectively. Displacement rods 53 are fixedly installed at both ends between the two limiting plates 52. A displacement block 54 is slidably connected between the two displacement rods 53. A displacement cylinder 55 is fixedly installed on the surface of one of the limiting plates 52. The movable end of the displacement cylinder 55 is fixedly connected to the side of the displacement block 54 facing it. The displacement cylinder 55 performs telescopic movement, pushing the displacement block 54 from one side. The displacement block 54 slides along the displacement rod 53, adjusting the position of the displacement block 54 and indirectly adjusting the distance between the first moving wheel 4 and the second moving wheel 6. The installation of the moving wheels facilitates the user's transfer and transportation of the refrigeration equipment.

[0026] The bottom end of the displacement block 54 is fixedly connected to the second moving wheel 6, the top end of the moving platform 51 is fixedly connected to the housing 1 of the refrigeration equipment, the moving component 5 is connected to the second moving wheel 6 through the displacement block 54, and the moving component 5 is installed on the housing 1 of the refrigeration equipment through the moving platform 51.

[0027] In this embodiment, the low-temperature, low-pressure refrigerant gas is drawn into the compressor 204 and compressed into a high-temperature, high-pressure gas. This high-temperature, high-pressure refrigerant gas enters the condenser 202, where it releases heat through a radiator or air-cooling device, condensing into a high-pressure liquid. The high-pressure liquid then passes through the throttle valve 212 to reduce its pressure and temperature, becoming a low-pressure liquid. This low-pressure liquid enters the evaporator 205, evaporates into gas, and absorbs heat from the surrounding environment. It is then drawn into the compressor 204 again and compressed, completing one cycle. Cooling water is injected into the condenser 202 through the cooling water inlet pipe 207 and exits through the cooling water outlet pipe 212. 06. The chilled water is discharged from the condenser 202 and injected into the evaporator 205 through the chilled water inlet pipe 208. The chilled water is discharged from the evaporator 205 through the chilled water outlet pipe 209. The temperature sensor 210 monitors the temperature of the cooling water and the chilled water in real time. The displacement cylinder 55 performs telescopic movement. The displacement cylinder 55 pushes the displacement block 54 from one side. The displacement block 54 slides along the displacement rod 53 to adjust the position of the displacement block 54, which indirectly adjusts the distance between the first moving wheel 4 and the second moving wheel 6. The installation of the moving wheels facilitates the user to move and transport the refrigeration equipment.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A refrigeration device with a dual-circuit refrigeration mechanism, comprising a refrigeration device housing (1), characterized in that: The refrigeration equipment housing (1) has symmetrically arranged refrigeration mechanisms (2) fixedly installed on both sides of its back. A pushing component (7) is fixedly installed on the bottom of one side of the refrigeration equipment housing (1). A length rod (3) is fixedly installed on one side of the bottom of the refrigeration equipment housing (1). A first moving wheel (4) is fixedly installed on the bottom of the length rod (3). A moving component (5) is fixedly installed on the other side of the bottom of the refrigeration equipment housing (1). A second moving wheel (6) is fixedly installed on the bottom of the moving component (5). The pushing component (7) includes a first positioning plate (71), a magnetic rod (73), and a second positioning plate (74). The top of the first positioning plate (71) is connected to the magnetic rod (73). The bottom end of the magnetic rod (73) is fixedly connected to the bottom end of the second positioning plate (74). The magnetic rod (73) has a push handle (76) on one side. Both of the refrigeration mechanisms (2) include a mounting housing (201) and a condenser (202). The top end of one side of the mounting housing (201) is fixedly connected to one side of the condenser (202). An evaporator (205) is fixedly installed at the bottom end of one side of the mounting housing (201). An oil separator (203) located below the condenser (202) is fixedly installed on the mounting housing (201). A compressor (204) located above the evaporator (205) is fixedly installed on the mounting housing (201).

2. The refrigeration equipment according to claim 1, characterized in that: The inlet of the condenser (202) is fixedly connected to a cooling water inlet pipe (207), the outlet of the condenser (202) is fixedly connected to a cooling water outlet pipe (206), the inlet of the evaporator (205) is fixedly connected to a chilled water inlet pipe (208), and the outlet of the evaporator (205) is fixedly connected to a chilled water outlet pipe (209). Temperature sensors (210) extending into the interior of the cooling water inlet pipe (207), the cooling water outlet pipe (206), the chilled water inlet pipe (208), and the chilled water outlet pipe (209) are all fixedly installed on their surfaces.

3. The refrigeration equipment according to claim 1, characterized in that: A first connecting pipe (211) is fixedly connected between the condenser (202) and the evaporator (205). A throttle valve (212) is fixedly installed in the middle of the first connecting pipe (211). A second connecting pipe (213) is fixedly connected between the condenser (202) and the oil separator (203). A third connecting pipe (214) is fixedly connected between the oil separator (203) and the compressor (204). A fourth connecting pipe (215) is fixedly connected between the compressor (204) and the evaporator (205). The surface of the mounting housing (201) is fixedly connected to the housing (1) of the refrigeration equipment.

4. The refrigeration equipment according to claim 1, characterized in that: A height block (72) is slidably connected to the middle of the magnetic rod (73). Magnetic strips (78) are fixedly installed on both sides of the inner wall of the height block (72). Both magnetic strips (78) are magnetically connected to the magnetic rod (73). An angle seat (77) is fixedly installed at one end of the height block (72). The interior of the angle seat (77) is rotatably connected to one end of the push handle (76).

5. The refrigeration equipment according to claim 1, characterized in that: One end of the second positioning plate (74) is fixedly installed with an elastic buckle (75), and the push handle (76) is engaged with the elastic buckle (75). One end of the first positioning plate (71) and the other end of the second positioning plate (74) are both fixedly connected to the housing (1) of the refrigeration equipment.

6. The refrigeration equipment according to claim 1, characterized in that: The moving component (5) includes a moving platform (51) and two limiting plates (52). The two sides of the bottom end of the moving platform (51) are fixedly connected to the top ends of the two limiting plates (52). Displacement rods (53) are fixedly installed at both ends between the two limiting plates (52). A displacement block (54) is slidably connected between the two displacement rods (53). A displacement cylinder (55) is fixedly installed on the surface of one of the limiting plates (52). The movable end of the displacement cylinder (55) is fixedly connected to the side of the displacement block (54) facing it.

7. The refrigeration equipment according to claim 6, characterized in that: The bottom end of the displacement block (54) is fixedly connected to the second moving wheel (6), and the top end of the moving platform (51) is fixedly connected to the housing (1) of the refrigeration equipment.