Refrigeration device having refrigerant junction box and refrigeration system

By setting independent refrigerant areas and wiring areas on the control box of the refrigeration equipment, and designing a junction box with good sealing properties in the wiring area, the risk of combustible and explosives when the refrigerant and terminal strips coexist, and the safety of the equipment is improved.

WO2025130005A1PCT designated stage expired Publication Date: 2025-06-26QINGDAO HAIER INTELLIGENT BUILDING TECHNOLOGY CO LTD +4
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Patent Information

Application Number
PCT/CN2024/105639
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-12-19
Filing Date
2024-07-16
Publication Date
2025-06-26

AI Technical Summary

Technical Problem

In existing refrigeration equipment, the refrigerant part is in the same space as the terminal strip, and there is a risk of combustibility or even explosion, and the safety is low.

Method used

A refrigeration equipment with a refrigerant junction box is designed, and an independent refrigerant area and a wiring area are provided on the control box. Terminal rows are provided in the junction box, and the cover plate and the wiring area are sealed through the rotating shaft and locking member mechanism.

Benefits of technology

By separating the terminal strip from the refrigerant part, the risk of combustion or explosion during refrigerant leakage is reduced, the safety of the equipment is improved, and the refrigeration equipment suitable for using combustible refrigerant.

✦ Generated by Eureka AI based on patent content.

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Abstract

Provided are a refrigeration device having a refrigerant junction box (2) and a refrigeration system. The refrigeration device having a refrigerant junction box (2) comprises: a control box body (1), the control box body (1) being provided with a refrigerant region (11) and a wiring region, the refrigerant region (11) and the wiring region being independent of one another, and the refrigerant region (11) being used for storing refrigerant; and a junction box (2), the junction box (2) being arranged in the wiring region, and a terminal block (21) being provided in the junction box (2).
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Description

Refrigeration equipment and refrigeration system with refrigerant junction box

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese patent application No. 202323469152X, filed on December 19, 2023, entitled “Refrigeration equipment and refrigeration system with refrigerant junction box”, which is incorporated herein by reference in its entirety. Technical Field

[0003] The present application relates to the technical field of refrigeration equipment, and in particular to a refrigeration equipment and a refrigeration system having a refrigerant junction box. Background Art

[0004] Flammable refrigerants are increasingly used in refrigeration equipment. Electrical components are explosion-proof, and the control panel's high-voltage circuit is handled separately. Components within the control box are processed in-house by the manufacturer, ensuring production and process control. During on-site installation, wiring is controlled and installed on-site. However, processes, installation procedures, and materials vary from region to region, posing significant risks. Previous statistics indicate a high failure rate due to wiring issues.

[0005] The existing technology encloses the terminal block in a sealed box. However, due to varying installation standards, the sealed box may not be properly sealed after wiring. Improper wiring in the terminal block (for example, due to improper crimping or loose connections) can lead to fires. The terminal block and refrigerant system are located in the same space, creating a risk of flammability or even explosion if the refrigerant leaks, thus compromising safety.

[0006] Summary of the Invention

[0007] The present application provides a refrigeration device and a refrigeration system with a refrigerant junction box, which is used to solve the defect of refrigeration equipment using flammable refrigerants in the prior art, that is, the refrigerant part and the terminal block are in the same space, which has the risk of flammability or even explosion and low safety.

[0008] The present application provides a refrigeration device having a refrigerant junction box, comprising:

[0009] A control box body is provided with a refrigerant area and a wiring area, and the refrigerant area and the wiring area are independent of each other, and the refrigerant area is used to store refrigerant;

[0010] A junction box is provided in the wiring area and a terminal block is provided in the junction box.

[0011] According to a refrigeration device with a refrigerant junction box provided in the present application, the control box body has a first mounting surface and a second mounting surface that are adjacent or opposite to each other, the refrigerant area is arranged on the first mounting surface of the control box body, and the junction area is arranged on the second mounting surface of the control box body.

[0012] A refrigeration device with a refrigerant junction box provided in the present application further includes:

[0013] Air supply device;

[0014] The control box is also provided with an air supply area, and the air supply device is arranged in the air supply area.

[0015] According to a refrigeration device with a refrigerant junction box provided in the present application, the air supply area is provided on the first mounting surface of the control box.

[0016] According to a refrigeration device with a refrigerant junction box provided in the present application, a control area is further provided on the first mounting surface of the control box body, and the control area is used to install a control panel.

[0017] According to a refrigeration device with a refrigerant junction box provided in the present application, the terminal block includes:

[0018] a first wiring terminal, the first wiring terminal being used to connect to the internal wiring of the control box;

[0019] The second terminal is used to connect to the external wiring and / or power line of the control box.

[0020] A refrigeration device with a refrigerant junction box provided in the present application further includes:

[0021] a rotating shaft, the rotating shaft being arranged on the wiring area;

[0022] a first locking member, the first locking member being provided on the wiring area;

[0023] The junction box comprises:

[0024] a cover plate rotatably disposed on the wiring area via the rotating shaft;

[0025] A second locking member is provided on the cover plate and can be locked and matched with the first locking member to seal the cover plate and the wiring area.

[0026] According to a refrigeration device having a refrigerant junction box provided in the present application, the junction box further includes:

[0027] A sealing member is provided at the outer edge of the cover plate. When the second locking member is locked and matched with the first locking member, the cover plate is in close contact with the wiring area through the sealing member.

[0028] According to a refrigeration device with a refrigerant junction box provided in the present application, the first locking member includes a first through hole, and the second locking member includes a second through hole; a pin is used to pass through the first through hole and the second through hole in sequence to seal the cover plate and the wiring area.

[0029] The present application also provides a refrigeration system, including: a refrigeration device with a refrigerant junction box in an embodiment of the present application.

[0030] The present application provides a refrigeration device with a refrigerant junction box, comprising: a control box and a junction box. The control box is provided with a refrigerant area and a wiring area that are independent of each other. The junction box is provided in the wiring area, and a terminal block is provided in the junction box. If the terminal block portion ignites due to improper wiring (for example, improper crimping of the wiring part, loose wiring, etc.), since the terminal block and the refrigerant portion are not in the same space, even in the event of a refrigerant leak, the presence of the junction box reduces the risk of refrigerant combustion or explosion, thus providing high safety and being suitable for refrigeration equipment using flammable refrigerants.

[0031] Furthermore, the present application also provides a refrigeration system, which includes the refrigeration equipment with a refrigerant junction box in the embodiment of the present application, and therefore has the same advantages as above. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the present application or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0033] FIG1 is a schematic structural diagram of a refrigeration device with a refrigerant junction box provided in one embodiment of the present application;

[0034] FIG2 is a schematic diagram of the specific structure of a junction box provided in one embodiment of the present application.

[0035] Reference numerals:

[0036] 1: Control box; 11: Refrigerant area; 12: Control area; 2: Junction box; 21: Terminal block; 211: First terminal; 212: Second terminal; 22: Rotating shaft; 23: Cover; 24: First locking member; 25: Second locking member; 26: Latch; 27: Sealing member; 3: Air supply device. DETAILED DESCRIPTION

[0037] To make the objectives, technical solutions, and advantages of this application more clear, the technical solutions of this application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0038] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0039] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0041] 1 and 2 , a refrigeration device with a refrigerant junction box according to the present application is described below. The refrigeration device with a refrigerant junction box comprises: a control box 1 and a junction box 2 .

[0042] The control box 1 is provided with a refrigerant area 11 and a wiring area, and the refrigerant area 11 and the wiring area are independent of each other. The refrigerant area 11 is used to store refrigerant; the junction box 2 is provided in the wiring area, and a terminal block 21 is provided in the junction box 2.

[0043] Specifically, the control box 1 has multiple independent areas, each serving different functions. Two of these areas are the refrigerant area 11 and the wiring area. The refrigerant area 11 contains a container for storing flammable refrigerant, while the wiring area has a mounting surface for mounting the junction box 2.

[0044] The junction box 2 is installed in the wiring area of ​​the control box 1. The junction box 2 consists of a box body and a terminal block 21 inside it. The terminal block 21 is used to connect to the control box 1. It has internal wiring of the control box 1 and is also used for external wiring and / or power lines, etc.

[0045] Based on the solution of the embodiment of the present application, since the refrigerant area 11 for storing refrigerant on the control box 1 and the wiring area for installing the junction box 2 are independent of each other, if part of the terminal block 21 is not properly wired (for example, the wiring part is not crimped in place, the wiring is loose, etc.), causing part of the terminal block 21 to ignite, since the terminal block 21 and the refrigerant part are not in the same space, even in the case of refrigerant leakage, the presence of the junction box 2 reduces the risk of refrigerant combustion or explosion, has high safety, and is suitable for scenarios where refrigeration equipment using flammable refrigerants is used.

[0046] The present application provides a refrigeration device with a refrigerant junction box, comprising: a control box 1 and a junction box 2. The control box 1 is provided with a refrigerant area 11 and a wiring area, which are independent of each other. The junction box 2 is located in the wiring area, and a terminal block 21 is provided in the junction box 2. If a portion of the terminal block 21 ignites due to improper wiring (for example, improper crimping of the wiring part, loose wiring, etc.), since the terminal block 21 and the refrigerant portion are not in the same space, even in the event of a refrigerant leak, the presence of the junction box 2 reduces the risk of refrigerant combustion or explosion, thereby providing high safety and being suitable for refrigeration equipment using flammable refrigerants.

[0047] In one embodiment of the present application, the control box body 1 has a first mounting surface and a second mounting surface that are adjacent or opposite to each other, the refrigerant area 11 is provided on the first mounting surface of the control box body 1, and the wiring area is provided on the second mounting surface of the control box body 1. In this embodiment, the control box body 1 has at least two adjacent or opposite mounting surfaces, namely the first mounting surface and the second mounting surface. As shown in FIG1 , the first mounting surface is the front surface of the control box body 1, and the second mounting surface is the right side surface of the control box body 1. By respectively providing the refrigerant area 11 and the wiring area on the first mounting surface and the second mounting surface, the two areas are ensured to be independent of each other, which also facilitates the installation of the junction box 2.

[0048] In one embodiment of the present application, the refrigeration device with a refrigerant junction box further includes an air supply device 3; an air supply area is also provided on the control box 1, and the air supply device 3 is located in the air supply area. Specifically, the air supply device 3 can be a fan, and the air supply area of ​​the control box 1 is used to mount the air supply device 3. Preferably, the air supply area is located on the first mounting surface of the control box 1, as shown in Figure 1, that is, the air supply area is located on the front of the control box 1, and the air supply device 3 is mounted on the same end surface as the refrigerant area 11.

[0049] In one embodiment of the present application, a control area 12 is further provided on the first mounting surface of the control box 1. The control area 12 is used to install a control panel. In this embodiment, a control area 12 is further provided on the first mounting surface of the control box 1, as shown in FIG1 , that is, a control area 12 is provided on the front of the control box 1. The control area 12 is used to install a control panel, through which operators can control the refrigeration equipment.

[0050] In one embodiment of the present application, the terminal block 21 includes a first terminal 211 and a second terminal 212. The first terminal 211 is used to connect to the internal wiring of the control box 1, and the second terminal 212 is used to connect to the external wiring and / or power cord of the control box 1. In this embodiment, the terminal block 21 includes multiple rows of terminals, namely, the first terminal 211 located in the upper half, which is used for the internal wiring of the control box 1, and the second terminal 212 located in the lower half, which is used for the external wiring and / or power cord of the control box 1.

[0051] In one embodiment of the present application, the refrigeration equipment with a refrigerant junction box further includes a rotating shaft 22 and a first locking member 24. The rotating shaft 22 is disposed on the wiring area; the first locking member 24 is disposed on the wiring area. The junction box 2 includes a cover 23 and a second locking member 25. The cover 23 is rotatably disposed on the wiring area via the rotating shaft 22; the second locking member 25 is disposed on the cover 23 and is capable of lockingly engaging with the first locking member 24 to seal the cover 23 from the wiring area. In this embodiment, the rotating shaft 22 is disposed in the wiring area, and is used to hinge the cover 23 to the wiring area via the rotating shaft 22, allowing the cover 23 to switch between open and closed states. When the cover 23 is closed, the first locking member 24 and the second locking member 25 can engage each other to press the cover 23 into a sealing engagement with the wiring area, thereby sealing the terminal block 21 within. Through the arrangement of this embodiment, when external wiring is required, the first locking member 24 and the second locking member 25 are unlocked, and the cover 23 can be easily opened for wiring; when the wiring is completed, the cover 23 can be fastened and the first locking member 24 and the second locking member 25 can be locked, so that the cover 23 seals the terminal block 21 inside to protect the terminal block 21, thereby improving the safety of wiring and reducing the risk of fire and explosion.

[0052] In one embodiment of the present application, the junction box 2 further includes a seal 27 disposed on the outer edge of the cover 23. When the second locking member 25 and the first locking member 24 are locked together, the cover 23 is in close contact with the wiring area via the seal 27. In this embodiment, by disposing the seal 27 on the outer edge of the cover 23, when the cover 23 is snapped onto the wiring area, the seal 27 tightly engages the wiring area, ensuring a good seal. Specifically, the seal 27 in this embodiment can be an elastic seal 27, such as a rubber gasket or a rubber sealing ring.

[0053] In one embodiment of the present application, the first locking member 24 includes a first through hole, and the second locking member 25 includes a second through hole; the latch 26 is sequentially passed through the first through hole and the second through hole to seal the cover 23 from the wiring area. In this embodiment, the first locking member 24 and the second locking member 25 are both in the form of through holes, and the latch 26 is inserted into the through holes to achieve locking and sealing between the cover 23 and the wiring area; if wiring is required, the latch 26 can be pulled out from the first through hole and the second through hole, the cover 23 can be opened, and wiring can be performed. Specifically, a latch is provided at the lower edge of the cover 23.

[0054] The present application also provides a refrigeration system, which includes: the refrigeration device with a refrigerant junction box in the above-mentioned embodiment of the present application.

[0055] The present application also provides a refrigeration system, which includes the refrigeration equipment with a refrigerant junction box in the embodiment of the present application, and therefore has the same advantages as above.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A refrigeration device having a refrigerant junction box, comprising: A control box (1), wherein a refrigerant area (11) and a wiring area are provided on the control box (1), and the refrigerant area (11) and the wiring area are independent of each other, and the refrigerant area (11) is used to store refrigerant; A junction box (2), the junction box (2) being arranged in the junction area, and a terminal block (21) being arranged in the junction box (2).

2. The refrigeration equipment with a refrigerant junction box according to claim 1, wherein: The control box (1) has a first mounting surface and a second mounting surface that are adjacent or opposite to each other, the refrigerant area (11) is arranged on the first mounting surface of the control box (1), and the wiring area is arranged on the second mounting surface of the control box (1).

3. The refrigeration device with a refrigerant junction box according to claim 2, further comprising: Air supply device (3); The control box (1) is also provided with an air supply area, and the air supply device (3) is arranged in the air supply area.

4. The refrigeration equipment with a refrigerant junction box according to claim 3, wherein: The air supply area is arranged on the first installation surface of the control box (1).

5. The refrigeration equipment with a refrigerant junction box according to claim 2, wherein: The first mounting surface of the control box (1) is also provided with a control area (12), and the control area (12) is used for mounting a control panel.

6. The refrigeration equipment with a refrigerant junction box according to claim 1, wherein: The terminal block (21) comprises: A first wiring terminal (211), the first wiring terminal (211) being used to connect to the internal wiring of the control box (1); A second wiring terminal (212), the second wiring terminal (212) is used to connect to an external wiring and / or a power line of the control box (1).

7. The refrigeration device with a refrigerant junction box according to any one of claims 1 to 6, further comprising: A rotating shaft (22), wherein the rotating shaft (22) is arranged on the wiring area; A first locking member (24), wherein the first locking member (24) is disposed on the wiring area; The junction box (2) comprises: a cover plate (23), the cover plate (23) being rotatably disposed on the wiring area via the rotating shaft (22); A second locking member (25), the second locking member (25) is arranged on the cover plate (23) and can be locked and matched with the first locking member (24) to seal the cover plate (23) and the wiring area.

8. The refrigeration equipment with a refrigerant junction box according to claim 7, wherein: The junction box (2) further comprises: A sealing member (27), wherein the sealing member (27) is arranged on the outer edge of the cover plate (23), and when the second locking member (25) and the first locking member (24) are locked together, the cover plate (23) is in close contact with the wiring area through the sealing member (27).

9. The refrigeration equipment with a refrigerant junction box according to claim 7 or 8, wherein: The first locking member (24) includes a first through hole, and the second locking member (25) includes a second through hole; a latch (26) is used to sequentially penetrate the first through hole and the second through hole so that the cover plate (23) is sealed with the wiring area.

10. A refrigeration system comprising: A refrigeration device with a refrigerant junction box as claimed in any one of claims 1 to 9.

Citation Information

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