Power supply monitoring device for power distribution network
By designing a self-warning structure and an adaptive pressure relief structure, the safety hazards of power distribution network monitoring devices during short circuits are solved, enabling rapid warning and gas release, thus improving the safety and practicality of the equipment.
Patent Information
- Application Number
- CN202511485533.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-17
- Publication Date
- 2025-12-09
AI Technical Summary
Existing power distribution network monitoring devices generate large amounts of high-temperature gases such as carbon monoxide and hydrogen under dangerous conditions such as short circuits. Long-term storage of these gases poses a safety hazard and the devices cannot adaptively trigger alarms or guide airflow, thus limiting their usability.
A power distribution network monitoring device was designed, which includes a self-warning structure and an adaptive pressure relief structure. The device uses shape memory metal components and thermal expansion airbag components to provide warnings during short circuits, and the adaptive pressure relief structure quickly releases high-pressure gas to avoid dangerous phenomena such as open flames.
It enables timely warning and rapid pressure relief in the event of a short circuit, avoids safety hazards, improves the practicality and safety of the device, ensures the rapid release of gas inside the equipment, and prevents dangers such as open flames.
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Figure CN121090984A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of power supply monitoring, and particularly relates to a power distribution network power supply monitoring device. BACKGROUND
[0002] With the development of society, energy has become an important material basis for promoting social and economic development, but it also faces serious problems. On the one hand, primary energy is gradually exhausted, while the demand for energy in the world continues to rise, leading to the energy problem becoming a major problem faced by all countries. At present, the power distribution network as a key equipment for power distribution realizes the distribution of the power supply state with the characteristics of high distributed power penetration and diversified nonlinear load;
[0003] For example, a power distribution network monitoring device with the patent number CN218772261U includes a mounting frame, a power distribution network monitoring box is clamped on the inner side of the mounting frame, the mounting frame includes a fixed frame, a fixed buckle is fixedly arranged on the outer wall of the fixed frame, a limiting assembly is fixedly arranged on the inner bottom surface of the fixed frame, a stabilizing assembly is fixedly arranged on the inner top surface of the fixed frame, the power distribution network monitoring box is clamped on the inner side of the limiting assembly, and the stabilizing assembly is clamped above the power distribution network monitoring box. Through the arrangement of the mounting frame, the control assembly and the cleaning assembly, the problems of inconvenient disassembly and cleaning of the current power distribution network monitoring device are solved;
[0004] For example, a power distribution network insulation state monitoring device with the patent number CN216560847U includes a voltage detection module and a processing module, the input end of the voltage detection module is connected with the power distribution network, the first output end and the second output end of the voltage detection module are connected with the processing module, the voltage detection module is composed of a power frequency current first resonance section, a power frequency current second resonance section and a coupling impedance, and the technical scheme can realize real-time monitoring of the insulation state of the power distribution network by utilizing the characteristics of parallel resonance and monitoring whether local discharge occurs in the power distribution network.
[0005] For example, a detection method and device of a power distribution network monitoring equipment with the patent number CN112748305B. The method includes: building a power distribution area simulation model, and generating simulation data of a preset working condition of the power distribution area based on the power distribution area simulation model; controlling a low-voltage complete equipment detection device to generate a three-phase voltage and current signal based on the simulation data of the preset working condition, wherein the electrical quantity of the three-phase voltage and current signal corresponds to the simulation data of the preset working condition; injecting the three-phase voltage and current signal into the power distribution network monitoring equipment, and acquiring background data generated by the power distribution network monitoring equipment based on the three-phase voltage and current signal; and detecting whether the preset function of the power distribution network monitoring equipment can normally operate based on the background data of the power distribution network monitoring equipment.
[0006] Most of the above prior art improves the overall structure, and the existing power distribution network power supply monitoring device, if dangerous phenomena such as short circuit occur in the process of work, a large amount of high-temperature gas such as carbon monoxide and hydrogen will be generated in the internal of the equipment, which will exist certain security risks for long-term storage, even dangerous phenomena such as open fire, and it cannot adapt to alarm and preliminary airflow guidance, which has certain use limitation. SUMMARY
[0007] The present application aims to provide a power distribution network power supply monitoring device to solve the problems in the background art that if dangerous phenomena such as short circuit occur, a large amount of high-temperature gas such as carbon monoxide and hydrogen will be generated in the internal of the equipment, which will exist certain security risks for long-term storage, even dangerous phenomena such as open fire, and it cannot adapt to alarm and preliminary airflow guidance, which has certain use limitation.
[0008] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a power distribution network power supply monitoring device, comprising a power supply monitoring component body, the power supply monitoring component body is installed on the inner side of the reserved power distribution equipment, and the outer side of the power supply monitoring component body is bolted with an external docking assembly; the inner side of the upper end of the external docking assembly is provided with an internal gas storage cavity, and the outer side of the external docking assembly is nested with an external sealing element, the inner side of the lower end of the external docking assembly is provided with an internal reserved through cavity, and the internal reserved through cavity corresponds to the opening position reserved on the outer side of the power supply monitoring component body, a self-guiding warning structure is arranged between the power supply monitoring component body and the external docking assembly, and the self-guiding warning structure is adapted to self-adaptively warn in the process of short circuit.
[0009] Further, the self-guiding warning structure is provided with a memory metal assembly, and the memory metal assembly is docked between the outer side of the external docking assembly and the lower end of the external sealing element, the inner side of the memory metal assembly is docked with a thermal expansion air bag component, and the outer side of the thermal expansion air bag component is docked with the outer side of the external docking assembly.
[0010] Further, the upper end of the external docking assembly is provided with a docking balloon component, and the lower end of the docking balloon component is in communication with the inner side of the internal gas storage cavity.
[0011] Further, the outer side of the external docking assembly is nested with a resisting guide, and the upper end of the resisting guide is in communication with the outer side of the docking balloon component.
[0012] Further, the memory metal assembly is deformed downward in the process of being heated, and the thermal expansion air bag component on the inner side of the memory metal assembly is synchronously heated and expanded, the memory metal assembly pushes the lower end of the external sealing element to move vertically, and the external sealing element controls the closed state of the whole internal gas storage cavity.
[0013] Further, the built-in gas storage cavity is provided with a synchronous gas supply process to the inner side of the docking balloon component during the gas storage process, and the upper end of the abutting guide is pushed to vertically move during the expansion process of the docking balloon component, so that the lower end of the memory metal assembly is pushed to vertically move, thereby forming a gas storage process in the built-in gas storage cavity, and the built-in gas storage cavity is supplied with gas to the inner side of the docking balloon component during the gas storage process, so that the red docking balloon component continues to grow, and the surrounding users are timely warned through the expanded red docking balloon component.
[0014] Further, the inner side of the external docking assembly is provided with an adaptive pressure relief structure, and the high-pressure gas formed in the body of the power supply monitoring component is released through the adaptive pressure relief structure; the adaptive pressure relief structure is provided with a sealing docking element, and the sealing docking element is rotationally docked on the outer side of the lower end of the external docking assembly, and the outer side of the sealing docking element is fixedly connected with a return spring, and the outer end of the return spring is in mutual docking with the inner side of the external docking assembly, so that the sealing docking element forms an elastic rotation structure along the lower end of the external docking assembly through the return spring, thereby adaptively adjusting the closed state of the built-in reserved through cavity, and automatically expanding it to quickly release the high-pressure gas in the cavity.
[0015] Further, the lower end of the abutting guide is fixedly connected with an abutting docking piece, and the outer side of the abutting docking piece corresponds to the position of the outer side of the sealing docking element, and the outer side of the external docking assembly is provided with an external reserved sliding groove, and the external reserved sliding groove and the abutting guide are nested and docked.
[0016] Further, the abutting guide cooperates with the abutting docking piece at the lower end to abut and press the sealing docking element, and as the abutting guide moves upward and the sealing docking element contacted thereby is out of the stressed state, the closed state of the built-in reserved through cavity is adaptively adjusted, so that it is automatically expanded to quickly release the high-pressure gas in the cavity, thereby ensuring the safety of the equipment.
[0017] Further, the sealing docking element forms an elastic rotation structure along the outer side of the lower end of the external docking assembly through the return spring, and the external docking assembly adaptively adjusts the closed state of the built-in reserved through cavity through the sealing docking element.
[0018] Compared with the prior art, the beneficial effects of the present application are:
[0019] The power distribution network power supply monitoring device is provided with a self-guiding warning structure, which can adaptively warn and preliminarily guide air flow during short circuit. Even if a short circuit occurs, a large amount of high-temperature gases such as carbon monoxide and hydrogen can be quickly released, avoiding the safety hazards caused by long-term storage, effectively relieving the pressure, and improving the practicability of the device.
[0020] Further, the self-adaptive pressure relief structure is provided to release the high-pressure gas formed in the power supply monitoring component body. During the continuous expansion of the docking balloon component, the upper end of the abutting guide is driven to move upward, thereby driving the lower end of the abutting guide to separate from the abutting and sealing element, allowing the abutting and sealing element to form an elastic rotating structure along the lower end of the external docking assembly through the reset spring, thereby adaptively adjusting the closed state of the internal reserved cavity and automatically expanding it to quickly release the internal high-pressure gas, ensuring the safety of the device.
[0021] Further, during the reset and downward movement of the abutting guide, the abutting guide of the lower counterweight structure synchronously presses the abutting and sealing element along the outside of the internal reserved cavity, thereby adaptively closing it, avoiding long-term expansion and ensuring the use efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The figure is a schematic diagram of the three-dimensional structure of the present application.
[0023] Figure 2 The figure is a schematic diagram of the three-dimensional structure of the external docking assembly of the present application.
[0024] Figure 3 The figure is a schematic diagram of the external docking assembly structure of the present application.
[0025] Figure 4 The figure is a schematic diagram of the external docking assembly structure of the present application. Figure 3 The figure is a schematic diagram of the external docking assembly structure of the present application.
[0026] Figure 5 The figure is a schematic diagram of the external docking assembly structure of the present application.
[0027] Figure 6 The three-dimensional structure schematic diagram of the power supply monitoring component body is provided for the application.
[0028] Figure 7 The three-dimensional structure schematic diagram of the docking balloon component is provided for the application.
[0029] Figure 8 The three-dimensional structure schematic diagram of the interference guide is provided for the application.
[0030] In the figure: 1, power supply monitoring component body; 2, external docking assembly; 3, internal gas storage cavity; 4, memory metal assembly; 5, thermal expansion air bag component; 6, external sealing element; 7, docking balloon component; 8, interference guide; 9, internal reserved through cavity; 10, sealed docking element; 11, reset spring; 12, interference docking element; 13, external reserved sliding groove. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.
[0032] Embodiment one: please refer to Figures 1-8 The application provides the following technical solutions: a power distribution network power supply monitoring device is provided to solve the technical problem that if dangerous phenomena such as short circuit occur, a large amount of high-temperature gas such as carbon monoxide and hydrogen will be generated inside the equipment, and long-term storage will cause certain safety hazards. It discloses that the power supply monitoring component body 1 is installed on the inner side of the reserved power distribution equipment, and the outer side of the power supply monitoring component body 1 is bolted with the external docking assembly 2; the upper end inner side of the external docking assembly 2 is provided with the internal gas storage cavity 3, and the outer side of the external docking assembly 2 is nested with the external sealing element 6; the lower end inner side of the external docking assembly 2 is provided with the internal reserved through cavity 9, and the internal reserved through cavity 9 corresponds to the opening position reserved on the outer side of the power supply monitoring component body 1; the guide self-warning structure is arranged between the power supply monitoring component body 1 and the external docking assembly 2, and the guide self-warning structure performs self-adaptive warning processing in the process of short circuit.
[0033] The guiding self-warning structure is provided with a memory metal component 4, and the memory metal component 4 is connected between the outer side of the external connecting component 2 and the lower end of the external sealing piece 6, the inner side of the memory metal component 4 is connected with a thermal expansion air bag component 5, and the outer side of the thermal expansion air bag component 5 is connected with the outer side of the external connecting component 2, the upper end of the external connecting component 2 is connected with a connecting balloon component 7, and the lower end of the connecting balloon component 7 is connected with the inner side of the internal gas storage cavity 3, the outer side of the external connecting component 2 is embedded with a resistance guide 8, and the upper end of the resistance guide 8 is connected with the outer side of the connecting balloon component 7, the memory metal component 4 is deformed downward in the heating process, and the thermal expansion air bag component 5 on the inner side of the memory metal component 4 is synchronously heated and resisted to expand, the memory metal component 4 pushes the lower end of the external sealing piece 6 to move vertically, and the external sealing piece 6 controls the closed state of the whole internal gas storage cavity 3, the internal gas storage cavity 3 synchronously supplies gas to the inner side of the connecting balloon component 7 in the gas storage process, and the connecting balloon component 7 pushes the resistance guide 8 at the upper end to move vertically in the expansion process, when an extreme situation such as short circuit occurs in the equipment, the memory metal component 4 in the heated state will be deformed downward, and the thermal expansion air bag component 5 on the inner side of the memory metal component 4 is synchronously heated and resisted to expand, so that the memory metal component 4 pushes the lower end of the external sealing piece 6 to move vertically, so that the internal gas storage cavity 3 forms a gas storage process, and the internal gas storage cavity 3 supplies gas to the inner side of the connecting balloon component 7 in the gas storage process, so that the red connecting balloon component 7 continues to grow, and the user around is warned in time through the expanded red connecting balloon component 7 to handle in time, to avoid the occurrence of open fire and other dangerous phenomena, to adapt to the alarm and preliminary air flow guiding work, even if a short circuit occurs, a large amount of carbon monoxide and hydrogen gas high-temperature gas can be quickly released in the equipment, to avoid the safety hidden trouble caused by long-term storage, and effectively release the pressure.
[0034] Example two: on the basis of example one, to solve the problem that open fire and other dangerous phenomena occur, and the device cannot adapt to the alarm and preliminary air flow guiding, and has certain use limitations, a self-adaptive pressure relief structure is also disclosed, and the specific structure is as follows:
[0035] The inner side of the external connecting component 2 is provided with a self-adaptive pressure relief structure, and the high-pressure gas formed in the power supply monitoring component body 1 is released through the self-adaptive pressure relief structure;
[0036] The adaptive pressure relief structure is provided with a sealing butt joint element 10, and the sealing butt joint element 10 is rotatably butted outside the lower end of the external butt joint assembly 2, and the outer side of the sealing butt joint element 10 is fixedly connected with a return spring 11, and the outer end of the return spring 11 is butted with the inner side of the external butt joint assembly 2, the lower end of the abutting guide 8 is fixedly connected with an abutting butt joint piece 12, and the outer side of the abutting butt joint piece 12 corresponds to the outer side of the sealing butt joint element 10, and the outer side of the external butt joint assembly 2 is provided with an external reserved sliding groove 13, and the external reserved sliding groove 13 is nested and butted between the abutting guide 8, the abutting butt joint piece 12 of the abutting guide 8 cooperates with the sealing butt joint element 10 butted and contacted to form an abutting pressure working, and as the abutting guide 8 moves upward and the sealing butt joint element 10 contacted with it is separated from the stress state, the sealing butt joint element 10 forms an elastic rotating structure along the lower end of the external butt joint assembly 2 through the return spring 11, and the external butt joint assembly 2 adaptively adjusts the closed state of the built-in reserved through cavity 9 through the sealing butt joint element 10, in the process of continuously expanding the butted balloon part 7, it will drive the abutting guide 8 butted at the upper end to move upward synchronously, and then drive the abutting butt joint piece 12 at the lower end to separate from the abutting and closing state between the sealing butt joint element 10, so that the sealing butt joint element 10 forms an elastic rotating structure along the lower end of the external butt joint assembly 2 through the return spring 11, thereby adaptively adjusting the closed state of the built-in reserved through cavity 9, so that it is automatically unfolded, and the high-pressure gas in the interior is quickly released and handled, in the process of the abutting guide 8 resetting and moving downward, the abutting butt joint piece 12 of the lower end counterweight structure synchronously presses the sealing butt joint element 10, so that it is adaptively closed along the outer side of the built-in reserved through cavity 9, thereby avoiding the long-term unfolded state and the case that too much impurities are mixed into the interior of the equipment.
[0037] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0038] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A power distribution network power supply monitoring device, comprising a power supply monitoring component body (1), wherein the power supply monitoring component body (1) is installed on the inner side of a reserved power distribution equipment, and an external docking assembly (2) is bolted on the outer side of the power supply monitoring component body (1). Its features are: The upper inner side of the external docking component (2) is provided with a built-in air storage cavity (3), and an external sealing component (6) is nested on the outer side of the external docking component (2). The lower inner side of the external docking component (2) is provided with a built-in reserved passage cavity (9), and the built-in reserved passage cavity (9) corresponds to the reserved opening position on the outer side of the power supply monitoring component body (1). A guiding self-warning structure is provided between the power supply monitoring component body (1) and the external docking component (2), and the guiding self-warning structure performs adaptive warning processing during the short circuit process.
2. The power supply monitoring device for a power distribution network according to claim 1, characterized in that: The self-warning structure is provided with a memory metal component (4), and the memory metal component (4) is connected between the outer side of the external docking component (2) and the lower end of the external seal (6). The inner side of the memory metal component (4) is connected to a thermal expansion airbag component (5), and the outer side of the thermal expansion airbag component (5) is connected to the outer side of the external docking component (2).
3. The power distribution network monitoring device according to claim 2, characterized in that: The upper end of the external docking component (2) is provided with a docking balloon component (7), and the lower end of the docking balloon component (7) is connected to the inner side of the built-in air storage cavity (3).
4. The power distribution network monitoring device according to claim 3, characterized in that: The outer docking component (2) is nested with an abutment guide (8), and the upper end of the abutment guide (8) is docked with the outer side of the docking balloon component (7).
5. A power distribution network monitoring device according to claim 4, characterized in that: The memory metal component (4) deforms downward during the heating process, and the thermal expansion airbag component (5) inside the memory metal component (4) expands synchronously due to heat. The memory metal component (4) pushes the lower end of the external seal (6) to move vertically, and the external seal (6) controls the overall closed state of the internal air storage cavity (3).
6. A power distribution network monitoring device according to claim 5, characterized in that: During the process of storing air inside the built-in air storage cavity (3), air is simultaneously supplied to the inside of the docking balloon component (7), and during the expansion of the docking balloon component (7), the upper resisting guide (8) is pushed to move vertically.
7. A power distribution network monitoring device according to claim 6, characterized in that: The inner side of the external docking component (2) is provided with an adaptive pressure relief structure, which releases the high-pressure gas formed inside the power supply monitoring component body (1). The adaptive pressure relief structure is provided with a sealing docking element (10), and the sealing docking element (10) is rotatably docked on the lower outer side of the external docking assembly (2), and a reset spring (11) is fixedly connected to the outer side of the sealing docking element (10), and the outer end of the reset spring (11) is docked with the inner side of the external docking assembly (2).
8. A power distribution network monitoring device according to claim 7, characterized in that: The lower end of the contact guide (8) is fixedly connected to the contact docking member (12), and the outer side of the contact docking member (12) corresponds to the outer side of the sealing docking element (10). The outer side of the external docking assembly (2) is provided with an external reserved slide groove (13), and the external reserved slide groove (13) and the contact guide (8) are nested and docked.
9. A power distribution network monitoring device according to claim 8, characterized in that: The contact guide (8) works with the contact docking member (12) at the lower end to apply pressure to the contact sealing docking element (10), and as the contact guide (8) moves upward, it disengages from the pressure state of the contact sealing docking element (10).
10. A power distribution network monitoring device according to claim 9, characterized in that: The sealing docking element (10) forms an elastic rotation structure along the lower outer side of the external docking assembly (2) through the reset spring (11), and the external docking assembly (2) adaptively adjusts the closed state of the built-in reserved cavity (9) through the sealing docking element (10).
Citation Information
Patent Citations
Testing methods and devices for power distribution network monitoring equipment
CN112748305B
Power distribution network insulation state monitoring device
CN216560847U