Visual safety device

Abstract

The utility model relates to a visual safety device, which comprises a base, a fuse module, an alarm lamp, an alarm lamp branch resistor and a metal through hole. The fuse modules are arranged on the base in parallel, each fuse module comprises a fuse mounting shell and fuses, and a row of parallel alarm lamps are arranged under the fuse modules and correspond to the positions of the connected fuses one by one; and the alarm lamp branch resistors are arranged above the corresponding fuse modules. When a fault occurs, the fuse connected with the corresponding line exceeds the rated current, the fuse is fused, the alarm lamp is lightened, and the position of the fault line is accurately displayed. At the moment, the maintenance personnel only needs to replace the fusing fuse after solving the fault. When the device needs to be replaced, the twenty-four wiring harnesses can be directly pulled out together, and operation is convenient. Compared with the prior art, the system has the advantages of quick response, accurate fault position visualization, high reliability and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical protection field especially, it is visual fuse device. BACKGROUND

[0002] In modern electrical system, especially the application environment of train information management system detection equipment, the equipment is dense and the function is complex, and the stability of power supply and the efficiency of fault detection are extremely high requirements. In the traditional protection mechanism, although the commonly used air switch can realize the overload and short circuit protection of the circuit to a certain extent, its response speed is relatively slow, especially when facing instantaneous high current impact or short circuit fault, it often cannot cut off the fault circuit in time, resulting in different degrees of damage to the rear-end equipment, and even causing fire and other serious consequences. The train information management system detection equipment is the core component of train operation monitoring and fault diagnosis, and a large number of precise sensors, controllers and communication modules are carried inside, and the quality of power supply is extremely sensitive to these equipment. Once the power supply is abnormal, not only the equipment hardware may be directly damaged, but also data loss, communication interruption and other problems may be caused, which seriously affects the safety and reliability of train operation. Therefore, the traditional air opening protection mode has been difficult to meet the current needs of train information management system detection equipment for rapid response and accurate positioning of faults. Therefore, how to reflect the fault position efficiently and intuitively when the train information management system detection equipment fails, so that the fault can be solved quickly, is a technical problem to be solved. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a visual fuse device, which overcomes the defects of the prior art. The fuse and the alarm lamp are one-to-one corresponding, the fault position is intuitively reflected, timely processing is facilitated, and the integrated terminal makes the device simple and convenient to maintain.

[0004] The utility model discloses a visual fuse device, which overcomes the defects of the prior art. The fuse and the alarm lamp are one-to-one corresponding, the fault position is intuitively reflected, timely processing is facilitated, and the integrated terminal makes the device simple and convenient to maintain.

[0005] According to one aspect of the utility model, a visual fuse device is provided, which includes a base, a fuse module, an alarm lamp, an alarm lamp branch resistance and a metal through hole.

[0006] The fuse module is arranged side by side on the base, and the fuse module includes a fuse mounting outer and a fuse. A row of parallel alarm lamps is arranged directly below the fuse module, and the positions of the alarm lamps are one-to-one corresponding with the connected fuses. The alarm lamp branch resistance is arranged above the corresponding fuse module. The upper edge and the lower edge of the base are both provided with four metal through holes.

[0007] Further, the device further includes an input terminal and an input wire harness arranged above the base.

[0008] Further, the input terminal comprises an integrated plug and socket, the input harness is inserted into the plug, and the plug is inserted into the socket.

[0009] Further, the device further comprises an output terminal and an output harness arranged below the base, and the connection mode is consistent with the input terminal and the input harness.

[0010] Further, a circular threaded hole is arranged on the plug, and a harness fixing screw is arranged in the threaded hole.

[0011] Further, a groove for facilitating switching is arranged on the fuse mounting shell.

[0012] Further, the base is mounted on the vertical wall of the train detection equipment through a metal sliding rail.

[0013] Further, the circuit connection of the fuse module is that the fuses are connected in parallel with the alarm lamp branch.

[0014] Further, the alarm lamp branch is that the alarm lamp is connected in series with an alarm lamp branch resistor.

[0015] Further, in the circuit of the device, the rated current of the first fuse, the eleventh fuse, the thirteenth fuse, the fifteenth fuse, the sixteenth fuse, the seventeenth fuse, the twenty-second fuse, the twenty-third fuse and the twenty-fourth fuse is 2A; the rated current of the second fuse, the seventh fuse, the twelfth fuse and the fourteenth fuse is 1A; and the rated current of the third fuse, the fourth fuse, the fifth fuse, the sixth fuse, the eighth fuse, the ninth fuse, the tenth fuse, the eighteenth fuse, the nineteenth fuse, the twentieth fuse and the twenty-first fuse is 0.5A.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] (1) Fault rapid response and accurate positioning: through the design that the fuses are one-to-one corresponding with the alarm lamps, when a fuse is fused due to current overload or short circuit, the corresponding alarm lamp will be immediately lighted, thereby directly reflecting the fault position, improving the fault response speed, enabling the maintenance personnel to quickly locate and handle the fault, reducing the equipment downtime caused by the fault, and ensuring the stable operation of the train information management system.

[0018] (2) Easy to maintain and operate: the input terminal and the output terminal adopt an integrated plug and socket design, and are provided with a harness fixing screw, so that the connection of the harness is more stable and easy to plug and unplug, when the device needs to be overhauled and replaced, the maintenance personnel can conveniently pull out or insert the harness, thereby reducing the maintenance difficulty and improving the work efficiency, and meanwhile, a groove for facilitating switching is arranged on the fuse mounting shell, thereby facilitating the replacement of the fuse.

[0019] (3) Improve the safety and reliability of the system: by using the visual fuse device, the power supply of the train information management system detection equipment is more effectively protected. When abnormal current appears in the circuit, the fuse can quickly melt and cut off the faulty circuit, thereby preventing the backend equipment from being damaged and avoiding serious problems such as data loss and communication interruption that may be caused. In addition, by installing the metal slide rail on the vertical wall of the train detection equipment, the stability and durability of the device are ensured, further improving the safety and reliability of the system. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural diagram of the visual fuse device;

[0021] Figure 2 is a circuit diagram of the fuse module;

[0022] Figure 3 is a PCB layout diagram of the visual fuse device.

[0023] Marked description in figure: 1, base; 2, input terminal; 21, input wire harness; 22, wire harness fixing screw; 3, fuse module; 31, fuse installation shell; 32, fuse; 33, recess; 4, alarm lamp; 5, alarm lamp branch resistance; 6, metal through hole; 7, output terminal; 71, output wire harness; R1, first resistance; R2, second resistance; R3, third resistance; R4, fourth resistance; R5, fifth resistance; R6, sixth resistance; R7, seventh resistance; R8, eighth resistance; R9, ninth resistance; R10, tenth resistance; R11, eleventh resistance; R12, twelfth resistance; R13, thirteenth resistance; R14, fourteenth resistance; R15, fifteenth resistance; R16, sixteenth resistance; R17, seventeenth resistance; R18, eighteenth resistance; R19, nineteenth resistance; R20, twentieth resistance; R21, twenty-first resistance; R22, twenty-second resistance; R23, twenty-third resistance; R24, twenty-fourth resistance; LED1, first alarm lamp; LED2, second alarm lamp; LED3, third alarm lamp; LED4, fourth alarm lamp; LED5, fifth alarm lamp; LED6, sixth alarm lamp; LED7, seventh alarm lamp; LED8, eighth alarm lamp; LED9, ninth alarm lamp; LED10, tenth alarm lamp; LED11, eleventh alarm lamp; LED12, twelfth alarm lamp; LED13, thirteenth alarm lamp; LED14, fourteenth alarm lamp; LED15, fifteenth alarm lamp; LED16, sixteenth alarm lamp; LED17, seventeenth alarm lamp; LED18, eighteenth alarm lamp; LED19, nineteenth alarm lamp; LED20, twentieth alarm lamp; LED21, twenty-first alarm lamp; LED22, twenty-second alarm lamp; LED23, twenty-third alarm lamp; LED24, twenty-fourth alarm lamp; F1, first fuse; F2, second fuse; F3, third fuse; F4, fourth fuse; F5, fifth fuse; F6, sixth fuse; F7, seventh fuse; F8, eighth fuse; F9, ninth fuse; F10, tenth fuse; F11, eleventh fuse; F12, twelfth fuse; F13, thirteenth fuse; F14, fourteenth fuse; F15, fifteenth fuse; F16, sixteenth fuse; F17, seventeenth fuse; F18, eighteenth fuse; F19, nineteenth fuse; F20, twentieth fuse; F21, twenty-first fuse; F22, twenty-second fuse; F23, twenty-third fuse; F24, twenty-fourth fuse. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts shall belong to the scope of protection of the present application.

[0025] To meet the current train information management system detection equipment for fault rapid response and accurate positioning needs, a kind of efficient, intuitive circuit overload and short circuit protection device. This protection device needs to have fast action ability, can rapidly cut off circuit at the moment of fault occurs, to minimize the risk of equipment damage. At the same time, considering that the train information management system detection equipment internal equipment is numerous, and layout is compact, protection device also needs to have visualization function, that is, after fuse is fused, the fault point is quickly located through visual indication, so as to facilitate maintenance personnel to replace the damaged fuse, restore system normal operation.

[0026] As shown in Figure 1 , it is a visual fuse device, comprising: base 1, fuse module 3, alarm lamp 4, alarm lamp branch resistance 5 and metal through hole 6;Fuse module 3 is arranged side by side on base 1, fuse module 3 includes fuse installation shell 31 and fuse 32;A row of parallel alarm lamps (4) is arranged below fuse module 3, which corresponds to the position of connected fuse 32 one by one;Alarm lamp branch resistance 5 is arranged above corresponding fuse module 3;The upper edge and the lower edge of base 1 are provided with four metal through holes 6.

[0027] The device further comprises input terminal 2 and input wire harness 1 arranged above base 1. Input terminal 2 includes integrated plug and socket, input wire harness 21 is inserted into plug, and plug is inserted into socket. Output terminal 7 and output wire harness 71 are arranged below base 1, and the connection mode is consistent with input terminal 2 and input wire harness 21. Threaded holes are provided on the plug, and wire harness fixing screw 22 is installed in the threaded holes.

[0028] Fuses installation shell 31 is provided with recess 33 for facilitating switching. Base 1 is installed on the vertical wall of train detection equipment through metal slide rail.

[0029] As shown in Figure 2 , it is a circuit diagram of single-way fuse module. As can be seen from Figure 2 , the circuit connection of fuse module 3 is that fuse 32 is connected in parallel with alarm lamp branch. Alarm lamp branch is connected in series with alarm lamp 4 and alarm lamp branch resistance 5. As shown in Figure 3As shown, in the circuit of the device, the rated current of the first fuse F1, the eleventh fuse F11, the thirteenth fuse F13, the fifteenth fuse F15, the sixteenth fuse F16, the seventeenth fuse F17, the twenty-second fuse F22, the twenty-third fuse F23 and the twenty-fourth fuse F24 is 2A; the rated current of the second fuse F2, the seventh fuse F7, the twelfth fuse F12 and the fourteenth fuse F14 is 1A; and the rated current of the third fuse F3, the fourth fuse F4, the fifth fuse F5, the sixth fuse F6, the eighth fuse F8, the ninth fuse F9, the tenth fuse F10, the eighteenth fuse F18, the nineteenth fuse F19, the twentieth fuse F20 and the twenty-first fuse F21 is 0.5A.

[0030] In the use of the device in the embodiment, the voltage of each branch of the fuse module is 110V, and the resistance value of the alarm lamp branch resistor 5 is 22kΩ. When a fault occurs, the fuse 32 connected to the corresponding line exceeds the rated current, and the fuse 32 is fused. At this time, the current of the alarm lamp branch is 5mA, and the alarm lamp 4 is lit, that is, the alarm lamp 4 corresponding to the fuse 32 of the fault branch is lit, which accurately displays the position of the fault line. At this time, the maintenance personnel can replace the fused fuse after solving the fault. When the device needs to be overhauled, since the plug of the input terminal and the output terminal 7 is integrally arranged, the twenty-four line bundles can be directly pulled out, which is convenient to operate. The device in the embodiment can protect multi-channel load equipment, has the functions of rapid response and visual fault indication, ensures the stable operation of the train detection equipment, and provides protection for the safe operation of the train.

[0031] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A visualisation device, characterised in that, It comprises a base (1), a fuse module (3), an alarm lamp (4), an alarm lamp branch resistance (5) and a metal through hole (6). The fuse module (3) is arranged side by side on the base (1), and the fuse module (3) comprises a fuse mounting shell (31) and a fuse (32); a row of alarm lamps (4) is arranged directly below the fuse module (3) in one-to-one correspondence with the positions of the connected fuses (32); an alarm lamp branch resistance (5) is arranged above the corresponding fuse module (3); four metal through holes (6) are arranged on the upper edge and the lower edge of the base (1). The device further comprises an input terminal (2) and an input wire harness (21) arranged above the base (1).

2. A visualisation device according to claim 1, wherein, The input terminal (2) comprises an integrated plug and socket, and the input wire harness (21) is inserted into the plug, and the plug is inserted into the socket.

3. A visualisation device according to claim 2, wherein, The device further comprises an output terminal (7) and an output wire harness (71) arranged below the base (1), and the connection mode is consistent with that of the input terminal (2) and the input wire harness (21).

4. A visualisation device according to claim 3, wherein, A circular threaded hole is arranged on the plug, and a wire harness fixing screw (22) is arranged in the threaded hole.

5. A visualisation device according to claim 4, wherein, A groove (33) for facilitating switching is arranged on the fuse mounting shell (31).

6. A visualizing device according to claim 1, characterized in that The base (1) is installed on the vertical wall of the train detection equipment through a metal sliding rail.

7. A visualizing device according to claim 1, wherein The circuit connection of the fuse module (3) is that the fuses (32) are connected in parallel with the alarm lamp branches.

8. The visualizing device according to claim 1, wherein, The alarm lamp branch is a series connection of the alarm lamp (4) and the alarm lamp branch resistance (5).

9. A visualisation device according to claim 8, wherein, In the circuit of the device, the rated current of the first fuse (F1), the eleventh fuse (F11), the thirteenth fuse (F13), the fifteenth fuse (F15), the sixteenth fuse (F16), the seventeenth fuse (F17), the twenty-second fuse (F22), the twenty-third fuse (F23) and the twenty-fourth fuse (F24) is 2A; the rated current of the second fuse (F2), the seventh fuse (F7), the twelfth fuse (F12) and the fourteenth fuse (F14) is 1A; and the rated current of the third fuse (F3), the fourth fuse (F4), the fifth fuse (F5), the sixth fuse (F6), the eighth fuse (F8), the ninth fuse (F9), the tenth fuse (F10), the eighteenth fuse (F18), the nineteenth fuse (F19), the twentieth fuse (F20) and the twenty-first fuse (F21) is 0.5A.

10. A visualisation device according to claim 8, wherein, ​

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