400V low-voltage motor insulation monitoring device
By designing a panel and body structure that can be quickly separated in the insulation monitoring device of 400V low-voltage motor, combined with a variety of installation methods, the problem of long maintenance time of existing devices is solved, and rapid disassembly and flexible installation is achieved.
Patent Information
- Application Number
- CN202420977817.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing 400V low-voltage motor insulation monitoring device lacks a quick disassembly structure, which leads to the need to use tools to disassemble the fixed components during the device maintenance, which increases the maintenance time.
An insulating monitoring device including the body, panel, mounting frame and limit cylinder is designed. Through the cooperation of the insertion rod and the insertion sleeve, the panel and the body are quickly separated and easy to disassemble; at the same time, the installation frame and connecting seat provide a variety of Installation method.
It realizes rapid disassembly and multiple installation methods of the device, saves maintenance time and improves the installation flexibility of the device.
Smart Images

Figure CN222529401U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-voltage motor insulation monitoring, in particular to a 400V low-voltage motor insulation monitoring device. Background Art
[0002] The specific model of the motor insulation online monitoring device is HYM-300L-D. It is a device that can monitor the insulation status of motors in 400V power systems online. The device can monitor the insulation performance of motors in real time, prevent shutdown accidents caused by reduced insulation performance of motors in time, improve the efficiency of motor maintenance, save time and effort, and is easy to install and operate. The high-performance single-chip microcomputer is responsible for control and management. The LCD screen displays the current operating status of the device. When a fault in the running equipment is diagnosed, the indicator light and alarm relay will be activated to facilitate equipment maintenance personnel to understand the insulation status of the motor in time. The device is also equipped with 1 RS48 5 communication interface, so as to communicate with the host computer to enter the DCS and background system, but the existing insulation monitoring device has certain drawbacks. For example, a high-voltage and low-voltage motor insulation online monitoring device recorded in the publication number CN220271478U includes a body, an insulation detection module is arranged in the body, a panel is arranged on the front side, and a display screen and control buttons are arranged on the panel; a plurality of wiring slots are arranged on both sides of the body, and wiring sockets connected to the insulation detection module are arranged in the wiring slots, and the wiring sockets are all provided with a closed cover made of insulating material, and the closed cover is also provided with an outlet slot corresponding to the wiring socket;
[0003] Although the above device facilitates the fixed installation of the monitoring device in the distribution cabinet, the device itself lacks a quick-release structure. When inspecting the inside of the device, tools are needed to remove the fixed components on the outer surface of the device, which increases the time required for device maintenance. Utility Model Content
[0004] The purpose of the utility model is to provide a 400V low-voltage motor insulation monitoring device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A 400V low-voltage motor insulation monitoring device comprises a body, a panel is detachably connected to the front surface of the body, a display is embedded and connected to the front surface of the panel, an operation button is embedded and connected to the front surface of the panel, an indicator light is embedded and connected to the front surface of the panel near the operation button, a mounting frame is snap-connected to the rear surface of the body, a limiting cylinder is embedded and connected to the outer surface of the mounting frame, two limiting cylinders are embedded and movably connected to both ends of the limiting cylinder, and the insertion rod is inserted into the mounting frame.
[0007] Furthermore, a controller connection terminal is embedded in the lower surface of the body, four through slots are opened on the rear surface of the body, and a rubber pad is snap-fitted and connected on the front surface of the body.
[0008] Preferably, an insertion sleeve is fixedly connected to the rear surface of the panel, the insertion sleeve is inserted into the through groove, and the insertion rod passes through the installation frame and is inserted into the insertion sleeve.
[0009] Preferably, the front surface of the panel is provided with mounting holes near the four corners, the rear surface of the panel is provided with a groove, and the rubber pad matches the groove.
[0010] Furthermore, a connection hole is formed on the outer surface of the installation frame, and the insertion rod passes through the connection hole.
[0011] Furthermore, a connecting seat is detachably connected to the rear surface of the installation frame, a screw is threadedly connected to the rear surface of the connecting seat, the connecting seat is detachably connected to the installation frame via the screw, and a slider is embedded in the inner surface of the connecting seat.
[0012] Furthermore, a limiting groove is provided on the outer surface of the limiting cylinder, a connecting column is slidably connected inside the limiting groove, one end of the connecting column is threadedly connected to the insertion rod, a spring is placed inside the limiting cylinder, and both ends of the spring are in contact with the insertion rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. By manually sliding the rod from the outside to the inside in coordination with the connecting column, the rod and the insertion sleeve are separated, so that the insertion sleeve loses its external fixation, and further the panel, rubber pad and body lose their external fixation, so that the body and the panel can be quickly separated, which is convenient for disassembly of the device and saves the time required for device maintenance.
[0015] 2. Through the setting of the installation frame, the outer surface of the connecting seat is provided with screw holes, which can be installed into the inside of the distribution cabinet through the threaded assembly. When the installation rail is installed in the distribution cabinet, the slider can be directly slid into the installation rail to complete the installation of the device through the slider, so that the device has a variety of installation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the utility model from another angle;
[0018] Figure 3 It is a schematic diagram of the installation frame structure of the utility model;
[0019] Figure 4 It is a schematic diagram of the split structure of the utility model.
[0020] In the figure: 1. body; 101. controller terminal; 102. through slot; 103. rubber pad; 2. panel; 201. mounting hole; 202. groove; 203. insertion sleeve; 3. display; 4. operation button; 5. indicator light; 6. mounting frame; 601. connecting hole; 602. connecting seat; 603. slider; 7. limiting cylinder; 701. limiting slot; 702. spring; 703. plug rod; 704. connecting column; 8. mounting rail. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figures 1 to 4 In an embodiment of the utility model, a 400V low-voltage motor insulation monitoring device includes a body 1, a panel 2 is detachably connected to the front surface of the body 1, a display 3 is embedded and connected to the front surface of the panel 2, an operation button 4 is embedded and connected to the front surface of the panel 2, an indicator light 5 is embedded and connected to the position of the front surface of the panel 2 near the operation button 4, a mounting frame 6 is snap-connected to the rear surface of the body 1, a limiting cylinder 7 is embedded and connected to the outer surface of the mounting frame 6, the number of the limiting cylinders 7 is two, both ends of the limiting cylinder 7 are embedded and movably connected with an insertion rod 703, and the insertion rod 703 is inserted into the mounting frame 6.
[0023] Specifically, the specific model of the motor insulation online monitoring device of the present utility model is HYM-300L-D. It is the prior art and no unnecessary elaboration is made in this article. The purpose of the present utility model is to facilitate the installation of the device in the distribution cabinet through the installation frame 6, and to realize the rapid separation of the body 1 and the panel 2 through the limit cylinder 7 and the insertion rod 703, so as to facilitate the maintenance of the interior of the device and save the time required for the maintenance of the device.
[0024] Embodiment 1
[0025] like Figure 1 and 2 As shown, the lower surface of the body 1 is embedded with a controller terminal 101, the rear surface of the body 1 is provided with four through slots 102, the front surface of the body 1 is snap-connected with a rubber pad 103, the rear surface of the panel 2 is fixedly connected with an insertion sleeve 203, the insertion sleeve 203 is inserted into the through slot 102, and the insertion rod 703 passes through the installation frame 6 and is inserted into the insertion sleeve 203.
[0026] In this embodiment, after the insertion sleeve 203 is inserted into the through slot 102 , it is limited by the insertion rod 703 . At this time, the panel 2 and the body 1 squeeze the rubber pad 103 , and the rubber pad 103 is used to seal the body 1 and the panel 2 .
[0027] like Figure 1 As shown, the front surface of the panel 2 is provided with mounting holes 201 near the four corners, the rear surface of the panel 2 is provided with a groove 202, the rubber pad 103 matches the groove 202, the outer surface of the mounting frame 6 is provided with a connecting hole 601, and the insertion rod 703 passes through the connecting hole 601.
[0028] In this embodiment, the groove 202 limits the rubber pad 103, and the corresponding positions of the body 1 and the rubber pad 103 are also provided with grooves for limiting. Therefore, when disassembling, the connecting column 704 is manually slid from the outside to the inside to cooperate with the insertion rod 703 to separate the insertion rod 703 and the insertion sleeve 203, so that the insertion sleeve 203 loses external fixation, and further makes the panel 2, the rubber pad 103 and the body 1 lose external fixation, so that the body 1 and the panel 2 can be quickly separated, which is convenient for disassembly of the device and saves the time required for device maintenance.
[0029] Embodiment 2
[0030] On the basis of the first embodiment, in order to make up for the problem that the first embodiment is not matched with the power distribution cabinet.
[0031] like Figure 3 As shown, the rear surface of the mounting frame 6 is detachably connected to a connecting seat 602, the rear surface of the connecting seat 602 is threadedly connected to a screw, the connecting seat 602 is detachably connected to the mounting frame 6 via the screw, and the inner surface of the connecting seat 602 is embedded with a slider 603.
[0032] In this embodiment, a screw hole is provided on the outer surface of the connecting seat 602, which can be installed inside the distribution cabinet through a threaded assembly. When the mounting rail 8 is installed in the distribution cabinet, the slider 603 can be directly slid into the mounting rail 8, and the installation of the device is completed through the slider 603, so that the device has a variety of installation methods.
[0033] like Figure 4 As shown, a limiting groove 701 is provided on the outer surface of the limiting cylinder 7, and a connecting column 704 is slidably connected inside the limiting groove 701. One end of the connecting column 704 is threadedly connected to the insertion rod 703. A spring 702 is placed inside the limiting cylinder 7, and both ends of the spring 702 are in contact with the insertion rod 703.
[0034] In this embodiment, the limiting groove 701 limits the connecting column 704 , and the spring 702 applies an outward force to the insertion rod 703 , so that the insertion rod 703 is inserted into the installation frame 6 and the insertion sleeve 203 .
[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A 400V low-voltage motor insulation monitoring device, comprising a body, characterized in that: The front surface of the body is detachably connected to a panel, the front surface of the panel is embedded with a display, the front surface of the panel is embedded with an operation button, the front surface of the panel is embedded with an indicator light near the operation button, the rear surface of the body is snap-connected to a mounting frame, the outer surface of the mounting frame is embedded with a limiting cylinder, there are two limiting cylinders, both ends of the limiting cylinders are embedded with a movably connected insertion rod, and the insertion rod is inserted into the mounting frame.
2. A 400V low voltage motor insulation monitoring device according to claim 1, characterized in that: The lower surface of the body is embedded with a controller connection terminal, the rear surface of the body is provided with four through slots, and the front surface of the body is clamped and connected with a rubber pad.
3. A 400V low voltage motor insulation monitoring device according to claim 2, characterized in that: An insertion sleeve is fixedly connected to the rear surface of the panel, the insertion sleeve is inserted into the through slot, and the insertion rod passes through the installation frame and is inserted into the insertion sleeve.
4. A 400V low voltage motor insulation monitoring device according to claim 2, characterized in that: The front surface of the panel is provided with mounting holes near the four corners, the rear surface of the panel is provided with grooves, and the rubber pads match the grooves.
5. A 400V low voltage motor insulation monitoring device according to claim 1, characterized in that: A connection hole is formed on the outer surface of the installation frame, and the insertion rod passes through the connection hole.
6. A 400V low voltage motor insulation monitoring device according to claim 1, characterized in that: The rear surface of the installation frame is detachably connected with a connection seat, the rear surface of the connection seat is threadedly connected with a screw, the connection seat is detachably connected to the installation frame through the screw, and the inner surface of the connection seat is embedded with a slider.
7. A 400V low voltage motor insulation monitoring device according to claim 1, characterized in that: The outer surface of the limiting cylinder is provided with a limiting groove, the interior of the limiting groove is slidably connected with a connecting column, one end of the connecting column is threadedly connected to the insertion rod, a spring is placed inside the limiting cylinder, and both ends of the spring are in contact with the insertion rod.
Citation Information
Patent Citations
High-voltage and low-voltage motor insulation on-line monitoring device
CN220271478U