A motor protector

By introducing a storage component into the motor protector, the friction between the rotatable square plate and the fixed rod is used to wind the wire harness, solving the problem of loose and swaying wire harness and achieving stable fixing of the wire harness and safe operation of the equipment.

CN224503124UActive Publication Date: 2026-07-14JIANGSU DAYU WATER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU DAYU WATER CO LTD
Filing Date
2025-08-26
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing motor protectors have loose wiring harnesses that are prone to significant swaying with equipment vibration after connection, which may lead to loose terminals and lack of effective storage structure.

Method used

A motor protector was designed, comprising a housing, a heat dissipation assembly, a display assembly, and a storage assembly. The storage assembly consists of a support group, a fixing rod, and a rotatable square plate. The square plate has a large frictional force with the fixing rod, which is used to wind and store the wire harness and provide tension.

Benefits of technology

It effectively stores wire harnesses, reduces vibration-induced swaying, prevents terminals from loosening, and improves connection stability and equipment operation safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a motor protector and belongs to the technical field of motor protectors. Mainly including a shell, a heat dissipation assembly arranged on the shell, a display assembly arranged on the shell, and a storage assembly arranged on the shell, wherein the storage assembly comprises at least two groups of support groups, the support groups are installed on one side of the shell, and a fixing rod is installed on each support group; at least two square plates are installed on the fixing rod in a rotating mode; wherein a through hole is arranged through the square plate; and the square plate and the fixing rod have a large friction force. The motor protector has the effects that, when connecting a wire harness, the excess part of the wire harness is wound on a selected square plate, then the wire harness is connected, so that the wire harness has a certain tension, and other square plates can be stored, thereby achieving the effect of storing the wire harness.
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Description

Technical Field

[0001] This application relates to the field of motor protector technology, specifically a motor protector. Background Technology

[0002] A motor protector is an electrical device used to monitor, control, and protect the safe operation of an electric motor. By real-time monitoring of key parameters such as motor current, voltage, and temperature, it automatically cuts off the power supply or issues an alarm when abnormal conditions such as overload, short circuit, phase loss, locked rotor, grounding fault, or overheating occur, in order to prevent damage to the motor and related system failures.

[0003] For example, the patent with announcement number CN218125114U discloses a motor protector. After the protector is installed by inserting bolts into the mounting holes, the mounting base is fixed on the mounting position. The motor protector can be fixed on the mounting base by the cooperation of the pressing plates on both sides, L-shaped buckles and springs. Then, the buckles are opened to expose the terminal block, and the wiring harness of the protector and the motor can be connected.

[0004] However, although the above patent can enable the installation of motor protectors, after connecting the wiring harness, multiple sets of wiring harnesses are usually bundled together with cable ties. There is no component to store the excess part after the wiring harness is connected. As a result, the bundled wiring harness is loosely located in the electrical cabinet, and then swings significantly with the vibration of the equipment during operation. After long-term use, it may cause the terminals to loosen.

[0005] Therefore, it is necessary to provide a motor protector to solve the above problems.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of this application concept, and therefore may include information that does not constitute prior art. Summary of the Invention

[0007] Based on the aforementioned problems in the existing technology, the problem to be solved by this application is to provide a motor protector that can effectively store wire harnesses.

[0008] The technical solution adopted by this application to solve its technical problem is: a motor protector, including a housing; a heat dissipation assembly disposed on the housing; a display assembly disposed on the housing; and a storage assembly disposed on the housing, the storage assembly including: at least two sets of support assemblies, the support assemblies being installed on one side of the housing, and fixing rods being installed on the support assemblies; at least two sets of square plates, the square plates being rotatably mounted on the fixing rods; wherein: through holes are provided through the square plates; and there is a large frictional force between the square plates and the fixing rods.

[0009] Furthermore, a groove is provided through the square plate.

[0010] Furthermore, the heat dissipation assembly includes at least two sets of heat dissipation holes on both sides of the housing, an opening on the top of the housing, a pad installed at the opening, and two sets of cooling fans installed on the pad.

[0011] Furthermore, the display component includes a housing mounted on the housing, a display module disposed inside the housing, buttons and a display screen disposed on the housing, and a protective shell rotatably mounted on the housing, with a large frictional force between the protective shell and the housing.

[0012] Furthermore, at least two sets of terminals are provided on one side of the housing, and at least two sets of slots are provided on one side of the terminals, with terminal conductive sheets inside each of the at least two sets of slots.

[0013] Furthermore, at least two sets of terminal conductive plates are threaded with bolts, one end of which penetrates the terminal conductive plate, and part of the bolt thread is installed on the terminal.

[0014] The beneficial effects of this application are as follows: The motor protector provided by this application, through the setting of the storage component, when connecting the wire harness, selects a suitable square plate to wrap the excess part of the wire harness around the square plate, and then connects it, so that the wire harness has a certain tension, while the other square plates can be stored, thereby achieving the effect of storing the wire harness.

[0015] In addition to the purposes, features, and advantages described above, this application has other purposes, features, and advantages. A further detailed description of this application will be provided below with reference to the figures. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is an overall schematic diagram of a motor protector according to this application;

[0018] Figure 2 for Figure 1 A schematic diagram from another perspective;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] The following are the labeling elements in the figure:

[0021] 1. Shell;

[0022] 2. Heat dissipation components; 21. Cooling fan; 22. Pad; 23. Ventilation holes;

[0023] 3. Display components; 31. Housing; 32. Buttons; 33. Display screen; 34. Protective casing;

[0024] 4. Storage components; 41. Square plate; 42. Groove; 43. Through hole; 44. Fixing rod; 45. Support assembly; 46. Terminal; 47. Bolt; 48. Terminal conductive sheet. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0027] like Figure 1 As shown, this application provides a motor protector, including a housing 1, on which a display component 3 is disposed. The display component 3 is used to display various data of the motor, specifically:

[0028] The display component 3 includes a housing 31 fixedly mounted on the housing 1. The housing 31 contains a display module and has a button 32 and a display screen 33 on it. The button 32 and the display screen 33 are electrically connected to the display module.

[0029] It should be noted that the housing 1 also contains a main control module, a measurement module, and a switch module. The display module, measurement module, and switch module are all electrically connected to the main control module to form a complete protector for monitoring, controlling, and protecting the motor for safe operation.

[0030] In this application, the operating principle of the motor protector is based on existing technology, such as the motor protector mentioned in the patent with publication number CN113131441B. The specific structure and principle will not be elaborated here.

[0031] A protective shell 34 is rotatably mounted on the outer shell 31. The protective shell 34 can move closer to or further away from the outer shell 31. When it is close to the outer shell 31, it can fit against the outer shell 31 to protect the display screen 33 and the button 32 from dust. The protective shell 34 has a large friction with the outer shell 31 so that the protective shell 34 can stay in the rotated position after rotation. The protective shell 34 is made of transparent material so that the data on the display screen 33 can be directly observed.

[0032] A heat dissipation component 2 is provided on the outer casing 31, which is used for heat dissipation inside the casing 1;

[0033] like Figure 1 As shown, the heat dissipation assembly 2 includes multiple sets of heat dissipation holes 23 on both sides of the housing 1, and an opening (not shown in the figure) is provided on the top of the housing 1. A pad 22 is fixedly installed at the opening, and two sets of cooling fans 21 are fixedly installed on the pad 22 so that air can be blown into the housing 1 under the drive of the cooling fans 21 and flow out from the heat dissipation holes 23 for circulation, thereby dissipating heat from the multiple modules inside the housing 1.

[0034] like Figures 2-3 As shown, multiple sets of terminals 46 are provided on one side of the housing 1. Multiple sets of slots (not shown in the figure) are opened on one side of the terminal 46. Each set of slots has a terminal conductive piece 48 that connects to multiple modules inside the housing 1. Each set of terminal conductive pieces 48 is threaded with a bolt 47. One end of the bolt 47 passes through the terminal conductive piece 48, and part of the thread of the bolt 47 is installed on the terminal 46.

[0035] Then, when connecting the wire harness, the bolt 47 can be turned to separate one end from the terminal conductive piece 48. Then, one end of the wire harness can be put on the bolt 47 and the bolt 47 can be tightened until its cap fixes the wire harness to achieve the connection of the wire harness.

[0036] A storage component 4 is provided on one side of the housing 1. The storage component 4 is used to store the excess part of the wire harness, so that it has a certain tension and reduces the large swinging caused by the vibration of the equipment.

[0037] Continue to refer to Figure 3 The storage component 4 includes multiple sets of support groups 45 fixedly installed on one side of the housing 1. It should be noted that two supports constitute one support group 45. A fixing rod 44 is fixedly installed on the support group 45. Multiple sets of square plates 41 are rotatably installed on the fixing rod 44. Through holes 43 are provided through the multiple sets of square plates 41. The multiple sets of through holes 43 correspond one-to-one with multiple sets of terminal conductive sheets 48.

[0038] To facilitate the use of longer wire harnesses, one end of the wire harness can be inserted into the through hole 43, then exited from the side of the square plate 41 away from the fixing rod 44, and then inserted into the through hole 43 again, so that it can be wound around the square plate 41. After a certain number of turns, one end of the wire harness can be inserted into the corresponding slot, and connected to the terminal conductive piece 48 by bolt 47, so that the excess part of the wire harness can be wound around the square plate 41 to ensure a certain tension.

[0039] It should be noted that there is a large friction between the square plate 41 and the fixing rod 44, so that after the square plate 41 is rotated, it can be stopped in the rotating position. In the initial state, multiple sets of square plates 41 are attached to the side wall of the housing 1, so that when connecting the wire harness, the corresponding square plate 41 can be rotated to a certain angle according to the wiring needs and stopped in the corresponding position. Then the wire harness can be stored and fixed. Other unused square plates 41 can be attached to the side wall of the housing 1 for storage.

[0040] A groove 42 is provided through multiple sets of square plates 41. The groove 42 corresponds to the position of the bolt 47 so that when the bolt 47 is tightened, the tool can be passed through the groove 42 to contact the bolt 47. It should be noted that the groove 42 is relatively long, so that after the square plate 41 is rotated, the groove 42 can leave space suitable for the tool to be inserted for wire harness connection and disconnection operations.

[0041] In summary, when using the device, after installing the housing 1 in the installation position, when wiring is required, rotate the corresponding square plate 41 to the moving angle, then wrap the excess part of the wire harness through the through hole 43, then insert it into the slot, insert the tool into the groove 42 to contact the bolt 47, and connect it to the terminal conductive piece 48 through the bolt 47. At the same time, turn on the heat dissipation component 2 to dissipate heat inside the housing 1.

[0042] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A motor protector, characterized in that: include: Shell (1); Heat dissipation assembly (2), which is disposed on the housing (1); Display component (3), the display component (3) being disposed on the housing (1); Storage component (4), the storage component (4) being disposed on the housing (1), the storage component (4) comprising: At least two sets of support groups (45) are installed on one side of the housing (1), and a fixing rod (44) is installed on the support group (45). At least two sets of square plates (41) are rotatably mounted on the fixed rod (44); Wherein: a through hole (43) is provided through the square plate (41); There is a large frictional force between the square plate (41) and the fixed rod (44).

2. The motor protector according to claim 1, characterized in that: A groove (42) is provided through the square plate (41).

3. A motor protector according to claim 1, characterized in that: The heat dissipation assembly (2) includes at least two sets of heat dissipation holes (23) on both sides of the housing (1). The top of the housing (1) has an opening, and a pad (22) is installed at the opening. Two sets of cooling fans (21) are installed on the pad (22).

4. A motor protector according to claim 3, characterized in that: The display component (3) includes a housing (31) mounted on the housing (1), a display module is provided inside the housing (31), a button (32) and a display screen (33) are provided on the housing (31), and a protective shell (34) is rotatably mounted on the housing (31), with a large frictional force between the protective shell (34) and the housing (31).

5. A motor protector according to claim 1, characterized in that: The housing (1) has at least two sets of terminals (46) on one side, and at least two sets of slots are provided on one side of the terminals (46), and each of the at least two sets of slots has a terminal conductive sheet (48) inside.

6. A motor protector according to claim 5, characterized in that: At least two sets of the terminal conductive sheets (48) are threaded with bolts (47), one end of the bolts (47) penetrates the terminal conductive sheets (48), and part of the threads of the bolts (47) are installed on the terminals (46).