Fuse with protection structure

By introducing protective tempered glass, current sensors, and connection port protection components into the fuse, the problem of the lack of real-time monitoring and protection in existing fuses is solved, realizing clear visibility of the fuse status, timely alarms, and safe and stable operation of the circuit.

CN224020724UActive Publication Date: 2026-03-20SHANGHAI RENRENXIN ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing fuses lack real-time monitoring and protection measures during use, resulting in the inability to provide timely warnings and handle faults, thus posing safety hazards.

Method used

A fuse with a protective structure was designed, including a protective tempered glass, a current sensor, a metal heat sink, and a connection port protection component. The protective tempered glass allows observation of the molten state, the current sensor monitors current changes in real time and issues an alarm, the metal heat sink dissipates heat, and the connection port protection component prevents water droplets from entering and causing short circuits, ensuring safe operation of the circuit.

Benefits of technology

It enables clear visibility of fuse status, timely alarms, and heat dissipation, preventing short circuit accidents, improving circuit safety and stability, and reducing troubleshooting time and equipment damage risk.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fuse with a protection structure, and relates to the technical field of circuit control, the fuse comprises a fuse main body, the inner side of the fuse main body is provided with a fuse protection assembly, the fuse protection assembly comprises a melt placement bin installed at the inner side of the fuse main body, and the melt placement bin is provided with a protection structure. Fusing melts are installed on the inner sides of the melt containing bins, protective tempered glass is arranged on the front sides of the melt containing bins, and current inductors are arranged on the upper sides of the melt containing bins. A worker can directly observe the fused melt in the melt placement bin through the protective tempered glass, so that the fusing state is ensured to be clear, the troubleshooting time is reduced, the working state of the fused melt can be known at any time, the current passing conditions of the fuse main body and the fused melt can be detected at any time through the current inductor, and the working efficiency is improved. When abnormal current fluctuation occurs, the current inductor sends out an alarm signal through the induction display lamp to remind a worker to handle in time, and safe operation of the circuit is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit control technical field especially relates to a fuse with protection structure. BACKGROUND

[0002] The fuse is a simple and effective circuit protection device, it mainly comprises the fuse and the insulating tube (seat) of installing the fuse, when the overloading or short circuit fault etc.

[0003] Through the retrieval, the announcement number "CN222530363U" text mentions "the utility model relates to fuse technical field, disclose a kind of direct current fuse insulation protection assembly, including protection shell, end cap is movably installed in protection shell rear side, two connecting terminals are fixedly installed in protection shell, protection cover is fixedly installed in protection shell front side, two baffle plates are fixedly installed in protection cover, two push plates are movably installed in protection cover between two baffle plates, wedge is movably installed in protection cover between two push plates, wire hole is formed in the approach of two baffle plates of protection shell front side", when using, protection cover is set in the front side of protection shell, and two groups of push plate and plug rod are set in protection cover, and the wedge of horizontal movement is cooperated with two groups of push plate, plug rod is moved simultaneously, so that two plug rods are used to the cable near connecting terminal twice staggered micro-curved, so as to play the role of cable anti-falling, and the exposed conductor part of cable is protected by protection cover.

[0004] However, the existing fuse in the use process, mostly only simple shell protection, in use stage mostly through self-fusing, lead to power failure phenomenon appears to understand the working state of fuse, lack real-time monitoring and protection measures, easy to not timely early warning and handling fault, there is a security risk.

[0005] Therefore, we provide a kind of fuse with protection structure to solve the above problems. Utility model content

[0006] In order to make up for the above shortcomings, the utility model provides a kind of fuse with protection structure.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a fuse with protection structure, including fuse body, the inside of fuse body is provided with fuse protection subassembly, fuse protection subassembly includes the fuse body inside installation fuse body deposit bin, the inside of fuse body deposit bin is installed with fuse link, the front side of fuse body deposit bin is provided with protection toughened glass, the upper side of fuse body deposit bin is provided with current sensor, the front side of current sensor is connected with inductive display lamp, the left and right sides of fuse body are provided with metal heat sink, the top of fuse body is installed with connecting port protection subassembly.

[0009] As the further description of the above technical scheme:

[0010] The protection toughened glass and the fuse body deposit bin are adhesively connected, and the protection toughened glass is six millimeters thick.

[0011] As the further description of the above technical scheme:

[0012] The current sensor is electrically connected between the fuse body and the fuse link, and the current sensor monitors the fuse state in real time by sensing current change.

[0013] As the further description of the above technical scheme:

[0014] The metal heat sink is welded to the fuse body, and the metal heat sink and the fuse body are symmetrically arranged on the left and right sides; the metal heat sink is made of aluminum alloy.

[0015] As the further description of the above technical scheme:

[0016] The connecting port protection subassembly includes circuit connection ports arranged on the top of the fuse body, the rear side of the circuit connection port is provided with a rotating shaft, the upper side of the rotating shaft is welded with a buckle cover, and the buckle cover and the fuse body form a rotating structure through the rotating shaft.

[0017] As the further description of the above technical scheme:

[0018] The inner side of the buckle cover is provided with an observation glass, the observation glass is made of toughened glass, and is on the same vertical line with the circuit connection port.

[0019] As the further description of the above technical scheme:

[0020] The rear side of the fuse body is provided with a plastic card frame, the inner side of the plastic card frame is provided with a mounting plate, and the plastic card frame is made of hard plastic.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1. The utility model discloses a fuse protection assembly is set up, and the staff can directly observe the fuse melt in the melt placement bin through the protection toughened glass, thereby ensuring that the fuse state is clearly visible, reduces the troubleshooting time, can understand the working condition of the fuse melt at any time simultaneously, and through the current inductor, the current through condition of fuse body and fuse melt is detected at any time, when the current abnormal fluctuation condition occurs, the current inductor sends the alarm signal through the induction display lamp, reminds the staff to handle in time, ensures the safe operation of circuit, and the metal heat sink of aluminium alloy material can effectively disperse the heat generated by fuse body, prevents the internal heat from discharging, and influences the normal operation of fuse.

[0023] 2. The utility model discloses a connecting port protection assembly is set up, and the connecting wire is inserted into the circuit connection port, and the buckle cover is rotated to the closed state through the pivot, covers on the circuit connection port, which can ensure that the connecting place will not drop into the circuit connection port due to the water drop, avoids the short circuit accident, guarantees the stability and safety of circuit connection, and the staff can clearly check the internal condition of circuit connection port through the observation glass, ensures that the connection state is correct, avoids direct contact simultaneously, improves the operation safety. DRAWINGS

[0024] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0025] Figure 2 It is the overall front structure schematic diagram of the utility model;

[0026] Figure 3 It is the overall back structure schematic diagram of the utility model;

[0027] Figure 4 It is the split structure schematic diagram of plastic card frame and mounting plate of the utility model.

[0028] Marked number in drawing: 1, fuse body, 2, fuse protection assembly, 201, melt placement bin, 202, fuse melt, 203, protection toughened glass, 204, current inductor, 205, induction display lamp, 206, metal heat sink, 3, connecting port protection assembly, 301, circuit connection port, 302, pivot, 303, buckle cover, 304, observation glass, 4, plastic card frame, 5, mounting plate. Specific implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-4 As shown, this utility model provides a technical solution: a fuse with a protective structure, including a fuse body 1, a fuse protection component 2 provided on the inner side of the fuse body 1, the fuse protection component 2 including a fusible element placement chamber 201 installed on the inner side of the fuse body 1, a fusible element 202 installed on the inner side of the fusible element placement chamber 201, a protective tempered glass 203 provided on the front side of the fusible element placement chamber 201, a current sensor 204 provided on the upper side of the fusible element placement chamber 201, a sensor indicator light 205 connected to the front side of the current sensor 204, metal heat sinks 206 provided on both the left and right sides of the fuse body 1, and a connection port protection component 3 installed on the top of the fuse body 1.

[0031] Furthermore, the protective tempered glass 203 is bonded to the molten metal placement chamber 201. The protective tempered glass 203 is six millimeters thick. When needed, the staff can directly observe the molten metal 202 inside the molten metal placement chamber 201 through the protective tempered glass 203, thereby ensuring that the molten state is clearly visible, reducing troubleshooting time, and allowing them to understand the working status of the molten metal 202 at any time.

[0032] Furthermore, the current sensor 204 is electrically connected to the fuse body 1 and the fuse element 202. The current sensor 204 monitors the fuse status in real time by sensing changes in the current. When needed, the current sensor 204 will detect the current flow through the fuse body 1 and the fuse element 202 at any time. When abnormal current fluctuations occur, the current sensor 204 will issue an alarm signal through the sensor indicator light 205 to remind the staff to handle the situation in time and ensure the safe operation of the circuit.

[0033] Furthermore, the metal heat sink 206 is welded to the fuse body 1, and the metal heat sink 206 and the fuse body 1 are symmetrically arranged on the left and right sides. The metal heat sink 206 is made of aluminum alloy. When it is needed, the aluminum alloy metal heat sink 206 can effectively disperse the heat generated by the fuse body 1, prevent equipment damage caused by overheating, and extend the service life.

[0034] Further, the connecting port protection assembly 3 comprises circuit connecting ports 301 arranged at the top end of the fuse body 1, and a rotating shaft 302 is arranged at the rear side of each circuit connecting port 301, and a buckle cover 303 is welded to the upper side of the rotating shaft 302, and the buckle cover 303 and the fuse body 1 form a rotating structure through the rotating shaft 302, when needed, the connecting wire is inserted into the circuit connecting port 301, and the buckle cover 303 is rotated to the closed state through the rotating shaft 302 and covers the circuit connecting port 301, so that the connection part cannot drop into the circuit connecting port 301 due to water, avoiding short circuit accidents and ensuring the stability and safety of the circuit connection.

[0035] Further, the inner side of the buckle cover 303 is provided with an observation glass 304, which is made of tempered glass and is in the same vertical line with the circuit connecting port 301, when needed, the worker can clearly check the internal condition of the circuit connecting port 301 through the observation glass 304, ensure the connection state is correct, and avoid direct contact to improve the operation safety.

[0036] Further, the rear side of the fuse body 1 is provided with a plastic clamping frame 4, and the inner side of the plastic clamping frame 4 is provided with a clamping groove connected with a mounting plate 5, and the plastic clamping frame 4 is made of hard plastic material, when needed, the mounting plate 5 is installed at the position needed to be used, and then the fuse body 1 is fixed on the mounting plate 5 through the clamping groove of the plastic clamping frame 4, so that the quick and convenient installation can be realized, and the current conducted by the wall surface can also be avoided to affect the normal work of the fuse body 1.

[0037] Working principle: when needed, the mounting plate 5 is fixed at the position needed to be used through the bolt, and then the fuse body 1 is stably installed through the clamping groove of the plastic clamping frame 4, after preparation, the circuit wire is inserted into the circuit connecting port 301 and fixed, then the rotating shaft 302 cooperates with the buckle cover 303 to rotate to the closed state, the circuit wire is led out from the front side of the buckle cover 303, and the worker can monitor the connection state through the observation glass 304 at any time, the current inductor 204 can monitor the current change in real time, once the safety range is exceeded, the inductive display lamp 205 will flash to prompt, and the fuse body 202 in the fuse placement bin 201 will have a fuse reaction, at this time, the worker can observe through the protection tempered glass 203, and in the daily operation process, the heat generated will be accelerated through the metal heat sink 206 to accelerate the heat dissipation rate of the fuse body 1, so that the equipment temperature is always within the safe range, preventing the internal heat from being discharged and affecting the normal operation of the fuse, so that the use process of the fuse with the protection structure is completed.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fuse with a protective structure, comprising a fuse body (1), characterized in that: The fuse body (1) is provided with a fuse protection assembly (2) on its inner side. The fuse protection assembly (2) includes a fuse element placement chamber (201) installed on the inner side of the fuse body (1). A fuse element (202) is installed on the inner side of the fuse element placement chamber (201). A protective tempered glass (203) is provided on the front side of the fuse element placement chamber (201). A current sensor (204) is provided on the upper side of the fuse element placement chamber (201). A sensor indicator light (205) is connected to the front side of the current sensor (204). Metal heat sinks (206) are provided on both the left and right sides of the fuse body (1). A connection port protection assembly (3) is installed on the top of the fuse body (1).

2. A fuse with a protective structure according to claim 1, characterized in that, The protective tempered glass (203) is bonded to the melt placement chamber (201), and the protective tempered glass (203) is six millimeters thick.

3. A fuse with a protective structure according to claim 1, characterized in that, The current sensor (204) is electrically connected to the fuse body (1) and the fuse element (202). The current sensor (204) monitors the fuse status in real time by sensing changes in the current.

4. A fuse with a protective structure according to claim 1, characterized in that, The metal heat sink (206) is welded to the fuse body (1). The metal heat sink (206) and the fuse body (1) are symmetrically arranged on the left and right sides. The metal heat sink (206) is made of aluminum alloy.

5. A fuse with a protective structure according to claim 1, characterized in that, The connection port protection assembly (3) includes circuit connection ports (301) that are all located at the top of the fuse body (1). A rotating shaft (302) is provided on the rear side of each circuit connection port (301). A cover (303) is welded to the upper side of the rotating shaft (302). The cover (303) and the fuse body (1) form a rotating structure through the rotating shaft (302).

6. A fuse with a protective structure according to claim 5, characterized in that, The inner side of the cover (303) is provided with an observation glass (304), which is made of tempered glass and is perpendicular to the circuit connection port (301).

7. A fuse with a protective structure according to claim 1, characterized in that, Plastic brackets (4) are installed on the rear side of the fuse body (1). The inner slot of the plastic brackets (4) is connected to the mounting plate (5). The plastic brackets (4) are made of rigid plastic.

Citation Information

Patent Citations

  • DC fuse insulation protection assembly

    CN222530363U