WO2024045904A1 - 一种液压碟簧防潮箱体及断路器压力信号自动测量装置 - Google Patents

一种液压碟簧防潮箱体及断路器压力信号自动测量装置 Download PDF

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Publication number
WO2024045904A1
WO2024045904A1 PCT/CN2023/106589 CN2023106589W WO2024045904A1 WO 2024045904 A1 WO2024045904 A1 WO 2024045904A1 CN 2023106589 W CN2023106589 W CN 2023106589W WO 2024045904 A1 WO2024045904 A1 WO 2024045904A1
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WO
WIPO (PCT)
Prior art keywords
moisture
fixed plug
fixedly connected
proof box
proof
Prior art date
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PCT/CN2023/106589
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English (en)
French (fr)
Inventor
李超
张跃峰
宋庆林
李援
韦瑞峰
何光龙
何连辉
刘贤泽
杨绍昆
黄春富
范怀昆
Original Assignee
云南电网有限责任公司昆明供电局
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Publication of WO2024045904A1 publication Critical patent/WO2024045904A1/zh

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the utility model relates to the field of hydraulic disc spring moisture-proof technology, in particular to a hydraulic disc spring moisture-proof box and an automatic measuring device for circuit breaker pressure signals.
  • the moisture-proof box refers to the use of various dehumidification technologies to effectively reduce the humidity in the cabinet, thereby achieving the purposes of moisture-proof, mildew-proof, oxidation-proof, rust-proof, and trace moisture absorption.
  • a hydraulic disc spring moisture-proof box which includes a moisture-proof box, a pull-out assembly arranged at the bottom of the moisture-proof box, and a moisture-proof assembly arranged at the top of the pull-out assembly.
  • a fixed component arranged on the top of the moisture-proof component, and a cover component arranged on the top of the fixed component.
  • the pull-out assembly includes The L-shaped limiter is fixedly connected to the bottom of the moisture-proof box, the pull-out plate is provided at the bottom of the moisture-proof box, the arc-shaped handle is fixedly connected to one end of the pull-out plate, and is fixedly connected to one side of the two sets of L-shaped limiters. limit plate.
  • the moisture-proof component includes a first horizontal double fixed plug connector fixedly connected to one side of the inner wall of the moisture-proof box, and a first horizontal double fixed plug connector plugged into the first horizontal double fixed plug connector.
  • a double fixed plug slot, a second vertical double fixed plug connector plugged into the second vertical double fixed plug slot, a third drying box fixedly connected to one end of the second vertical double fixed plug connector, and a third drying box A second horizontal double fixed plug-in slot is fixedly connected to one side of the box, and a second horizontal double-fixed plug connector is plugged into the second horizontal double fixed plug-in slot.
  • the fixing assembly includes two sets of L-shaped support plates symmetrically arranged on both sides of the inner wall of the moisture-proof box, and a compression spring fixedly connected to one side of the L-shaped support plate. , and a fixing plate fixedly connected to one end of the compression spring.
  • the cover assembly includes a cover plate arranged on the top of the moisture-proof box, a U-shaped handle arranged on the top of the cover plate, and a handle arranged on one side of the cover plate. Two sets of connectors.
  • the connector includes a first threaded plate provided on one side of the cover plate, two sets of first connecting rods fixedly connected to the first threaded plate, and two sets of first connecting rods fixedly connected to the first threaded plate.
  • This utility model facilitates installation and disassembly by setting up removable moisture-proof components, ensuring a dry environment inside the box, reducing damage caused by moisture to the equipment, protecting the safety of the equipment, and reducing costs. consumption.
  • the present utility model also provides the following technical solutions: including a hydraulic disc spring moisture-proof box according to any one of the claims; and,
  • the host unit includes measurement acquisition conversion module, A/D conversion module, DSP digital signal processor, lithium battery charging management chip, human-machine display module, and high-precision power supply module.
  • the measurement acquisition conversion module is connected to the A/D conversion module
  • the DSP digital signal processor is connected to the A/D conversion module and the human-machine display module respectively.
  • the lithium battery charging management chip is connected to the human-machine display module and the lithium battery respectively.
  • the high-precision power module is connected to the lithium battery charging management chip, the A/D conversion module and the DSP digital signal processor respectively.
  • This utility model is light, small, portable, and easy to install. It uses voltage signal collection and distance data to synchronously collect and analyze, and can realize automatic measurement of all pressure information, record the data, and digitally output it for maintenance personnel to facilitate maintenance and repair.
  • Figure 1 is a schematic diagram of the overall structure of the hydraulic disc spring moisture-proof box.
  • Figure 2 is another perspective view of the overall structure of the hydraulic disc spring moisture-proof box.
  • Figure 3 is an exploded diagram of the hydraulic disc spring moisture-proof box.
  • Figure 4 is an exploded schematic diagram of the fixing assembly of the hydraulic disc spring moisture-proof box.
  • Figure 5 is a schematic diagram of the overall structure of the hydraulic disc spring moisture-proof box from another perspective.
  • Figure 6 is an enlarged schematic diagram of position A in Figure 5 of the hydraulic disc spring moisture-proof box.
  • Figure 7 is a schematic structural diagram of an automatic circuit breaker pressure signal measurement device.
  • one embodiment or “an embodiment” referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. “In one embodiment” appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.
  • FIG. 1 to 6 a first embodiment of the present invention is shown.
  • This embodiment provides a hydraulic disc spring moisture-proof box.
  • the moisture-proof box can be taken out by pulling open the pull-out component 101 at the bottom.
  • the moisture-proof component 102 inserted inside the box 100 is inserted into the moisture-proof box 100 after the desiccant is replaced, and then the pull-out component 101 is pushed up.
  • the moisture-proof box 100 includes a pull-out component 101 provided at the bottom of the moisture-proof box 100, a moisture-proof component 102 provided at the top of the pull-out component 101, and a fixing component 103 provided at the top of the moisture-proof component 102. , and the cover assembly 104 provided on the top of the fixing assembly 103 .
  • the pull-out assembly 101 includes an L-shaped stopper 101a fixedly connected to the bottom of the moisture-proof box 100, a pull-out plate 101b provided at the bottom of the moisture-proof box 100, and the pull-out plate 101b.
  • An arc-shaped handle 101c is fixedly connected at one end, and a limiter plate 101d is fixedly connected to one side of the two sets of L-shaped limiters 101a.
  • the pull-out plate 101b is fixed in the L-shaped limiter 101a. By pulling the arc-shaped handle 101c, the pull-out plate 101b can be easily and quickly taken out and closed.
  • a limit plate 101d is provided on the side away from the arc-shaped handle 101c, which can prevent the pull-out plate 101b from being pulled out. 101b protrudes, causing the bottom to not close together.
  • the moisture-proof assembly 102 includes a first horizontal double-fixed plug connector 102a fixedly connected to one side of the inner wall of the moisture-proof box 100, and a first horizontal double-fixed connector 102a plugged into the first horizontal double-fixed plug connector 102a.
  • the first vertical double fixed plug connector 102e is plugged into the first vertical double fixed plug slot 102d
  • the second drying box 102f is fixedly connected to one end of the first vertical double fixed plug connector 102e
  • the second vertical double fixed plug-in slot 102g is fixedly connected to one side of the second drying box 102f
  • the second vertical double fixed plug-in slot 102g is plugged into the second vertical double fixed plug-in slot 102g.
  • the first horizontal double fixed plug connector 102a and the first horizontal double fixed plug slot 102b are horizontal plug connections
  • the second horizontal double fixed plug slot 102j and the second horizontal double fixed plug connector 102k are horizontal plug connections.
  • the first vertical double-fixed plug slot 102d and the first vertical double-fixed plug connector 102e are vertical plug-in connections
  • the vertical double-fixed plug connector 102h is a vertical plug connection.
  • the fixing assembly 103 includes two sets of L-shaped support plates 103a symmetrically arranged on both sides of the inner wall of the moisture-proof box 100, a compression spring 103b fixedly connected to one side of the L-shaped support plate 103a, and a compression spring 103b fixedly connected to one side of the L-shaped support plate 103a.
  • One end of the compression spring 103b is fixedly connected to the fixed plate 103c.
  • the cover assembly 104 includes a cover 104a disposed on the top of the moisture-proof box 100, a U-shaped handle 104b disposed on the top of the cover 104a, and two handles disposed on one side of the cover 104a.
  • Set connector 104c By grasping the U-shaped handle 104b, the cover 104a can be rotated and opened through the connector 104c conveniently and quickly.
  • the connector 104c includes a first threaded plate 104a-1 provided on one side of the cover plate 104a, and two sets of first connecting rods 104a-2 fixedly connected to the first threaded plate 104a-1.
  • the connecting shaft 104a-3 is movably connected to the two groups of connecting rods 104a-2
  • the two groups of second connecting rods 104a-4 are movably connected to the connecting shaft 104a-3
  • the second connecting rod 104a-4 The fixedly connected second threaded plate 104a-5 and four sets of threaded rods 104a-6 are respectively threadedly connected with the first threaded plate 104a-1 and the second threaded plate 104a-5.
  • the first threaded plate 104a-1 and the second threaded plate 104a-5 are respectively tightly connected to the cover plate 104a side and the moisture-proof box 100 side through the threaded rod 104a-6, and the connecting shaft is movably connected through the connecting rod 104a-2.
  • 104a-3 Rotate the cover 104a.
  • the arc-shaped handle 101c is set in an arc shape, which can be more convenient for pulling, and two sets of L-shaped support plates 103a can be provided for more stable support. Place the device between the two sets of L-shaped support plates 103a, and squeeze The fixed plate 103c drives the compression spring 103b to shrink. After the device is placed, the compression spring 103b drives the fixed plate 103c to rebound with the force of compression, tightly fixing the device and stably placing it. There is a gap in the middle of the two sets of L-shaped support plates 103a, which can communicate with the bottom moisture-proof component 102 and provide better protection. The effect of tide.
  • the cover 104a of the moisture-proof box 100 there are two steps when placing items.
  • the first step open the cover 104a of the moisture-proof box 100, pull the U-shaped handle 104b with your hand to give an upward pulling force, and driven by the pulling force,
  • the cover 104a fixedly connected to the U-shaped handle 104b is rotated around the connecting axis 104a-3 under the restriction of the connector 104c, and the cover 104a is opened.
  • the second step of use is to put the device into the middle of the two sets of L-shaped support plates 103a. Squeeze the fixed plate 103c to drive the compression spring 103b to shrink. After the device is placed, the compression spring 103b will compress the fixed plate to drive the fixed plate. 103c springs back to hold the device tightly.
  • the desiccant When replacing the desiccant, some desiccants are placed in the first drying box 102c, the second drying box 102f and the third drying box 102i, so that the entire moisture-proof box 100 is in a dry environment. When the effect of the moisture-proofing agent gradually When it is lost, the desiccant needs to be replaced. Pull out the arc-shaped handle 101c at the bottom of the moisture-proof box 100 into the two sets of L-shaped stoppers 101a, and grasp the first horizontal double fixed plug-in slot 102b and the second horizontal double-fixed plug slot.
  • the first drying box 102c, the second drying box 102f and the third drying box 102i are all plug-connected and can be removed movable to facilitate cleaning of the internal desiccant, clean and replace with a new drying box.
  • the first drying box 102c, the second drying box 102f and the third drying box 102i are plugged together and pushed into the moisture-proof box 100, so that the first horizontal double fixed plug connector 102a and the first horizontal double fixed plug connector 102a are connected.
  • the slot 102b is horizontally plugged
  • the second horizontal double fixed plug slot 102j and the second horizontal double fixed plug connector 102k are horizontally plugged, push and pull the arc handle 101c, close the pull-out plate 101b, and move away from the side of the arc handle 101c
  • Setting the limit plate 101d can prevent the pull-out plate 101b from protruding and causing the bottom to not close.
  • the present utility model facilitates installation and disassembly by setting up removable moisture-proof components, ensuring a dry environment inside the box, reducing damage caused by moisture to the equipment, protecting the safety of the equipment, and reducing cost consumption.
  • FIG. 7 a second embodiment of the present invention is shown.
  • This embodiment provides an automatic measuring device for circuit breaker pressure signals, which can realize automatic measurement of all pressure information, record data, and digitally output it to maintenance personnel to facilitate maintenance. Overhaul.
  • the host unit 200 includes a measurement acquisition conversion module 201, an A/D conversion module 202, a DSP digital signal processor 203, a lithium battery charging management chip 204, a human-machine display module 205, and a high-precision power supply module 206.
  • the measurement acquisition conversion module 201 is used to measure the position data of the hydraulic disc spring when the pressure is released and the pressure signal when the auxiliary node is switched, and filter the collected analog signals to filter out signals higher than 100kHZ. , and transmit the filtered analog signal to the A/D conversion module 202; the A/D conversion module 202 is connected to the measurement acquisition conversion module 201, and is used to convert the analog signal from the measurement acquisition conversion module 201 into a digital signal.
  • the measurement acquisition conversion module 201 is connected to the A/D conversion module 202, and the DSP digital signal processor 203 is connected to the A/D conversion module 202 and the human-machine display module 205 respectively.
  • the human-machine display module 205 is a touch display screen.
  • the DSP digital signal processor 203 is connected to the A/D conversion module 202 and the human-machine display module 205 respectively, and is used to process the hydraulic disc spring displacement data and auxiliary node electrical signals transmitted from the A/D conversion module 202. Process and record the wave, and then compare and analyze it with the historical data of the same type of equipment stored in the DSP digital signal processor 203. At the same time, the measured value of the pressure signal is output, and the analysis result is sent to the human-machine display module 205. Displayed in good.
  • the lithium battery charging management chip 204 is connected to the human-machine display module 205 and the lithium battery 204a respectively. It is used to manage the charge and discharge of the lithium battery 204a, and send the status of the lithium battery 204a to the human-machine display module 205 for display.
  • the high-precision power supply module 206 is connected to the lithium battery charging management chip 204, the A/D conversion module 202 and the DSP digital signal processor 203 respectively. Used to control the operating voltage supplied to the A/D conversion module 202 and the DSP digital signal processor 203.
  • the high-precision power module 206 provides 5V power to the A/D conversion module 202 and 3.3V and 1.8V to the DSP digital signal processor 203 .
  • this product has a rectangular parallelepiped structure and its shell is made of high-strength PLA plastic, which is dirt-resistant, wear-resistant, anti-static and impact-resistant.
  • Device size 200*145mm*45mm; 8-inch touch LCD display, resolution: 800*600.
  • the measurement acquisition transformation module 201 includes a high-precision displacement sensor sensor and an auxiliary node voltage signal acquisition clip. Using 5V power supply, the detection range of the displacement sensor is 120mm-280mm, detection accuracy is ⁇ 0.2mm;
  • power adapter provide DC12V, load current 2A power supply and charging for the device;
  • High-precision laser displacement sensor Using a 655nm wavelength laser beam (beam diameter 0.3mm) with an accuracy of ⁇ 0.2mm and a measuring distance of 120mm to 280mm, this sensor has excellent straightness characteristics and has higher accuracy than our known ultrasonic sensors and can be applied It is a cost-effective displacement sensor suitable for harsh industrial environments except for strong magnetic interference.
  • the measurement acquisition conversion module 201 collects and measures the main rotation axis angle signal of the circuit breaker, performs low-pass filtering, operational amplifier isolation, etc. on the analog signal, and then sends it to the A/D conversion module;
  • A/D conversion module 202 Simultaneously perform secondary on-chip integrated filtering and conversion of the above analog quantities into digital quantities;
  • DSP digital signal processor 203 complete all signal variable calculations, wave recording, historical data comparison, variation data analysis and output the status report of the equipment under test;
  • Lithium battery charging management chip 204 completes portable device charging, discharging, power statistics, temperature, and charging voltage detection; simulation interface: completes online function expansion debugging; USB interface: completes offline analysis of test data; debugging interface: online collaborative analysis and processing;
  • the human-machine display module 205, the high-precision power module 206, the lithium battery 204a, etc. are integrated.
  • the main work of the DSP digital signal processor 203 is to extract the voltage signal from the auxiliary node voltage signal acquisition clamp (indicating that the pair of nodes are connected) into a pressure signal position.
  • the displacement sensor is simultaneously read and collected in real time.
  • the distance value corresponds to the two collected quantities, and is analyzed and recorded. Compared with the standard value and historical value, it shows the actual measurement value.
  • it is judged whether the data is normal and whether the equipment health is good. If there is a problem, it will be judged that all the pressure information in the entire section is abnormal, or the pressure signal in a certain section is abnormal, what is the deviation value, and the reasons will be analyzed and solutions proposed.
  • the first step is to install during a power outage.
  • the displacement sensor holder is a strong magnet that can be directly attached to the circuit breaker mechanism box base, and adjust the displacement sensor and disc spring measurement Level between parts (the installation of laser displacement sensor can achieve angle measurement of -180° ⁇ 180°, which is convenient for leveling). Connect an appropriate number of voltage signal collection clips to the auxiliary switch node to facilitate collection of different pressure signals output when the hydraulic spring pressure value changes.
  • the third step is to connect the displacement sensor socket cable and the auxiliary switch voltage signal collection clip to the host respectively.
  • the automatic detection integrated device converts node electrical signals and distance signals into analog-to-digital conversion through collection, output storage, and display, and outputs the corresponding nodes synchronously, thus integrating them organically.
  • the device is easy to carry and install, and can realize full-process automatic detection and high-precision measurement; it also automatically compares the measurement data with standard data and outputs it to maintenance personnel to provide strategic reference for maintenance personnel. It completely changes the conventional maintenance method, saving human resources and working time;
  • any process or method steps may be changed or reordered according to alternative embodiments.
  • any "means-plus-function" clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures.
  • Other substitutions, modifications, changes and omissions may be made in the design, operation and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to particular embodiments, but extends to various modifications that still fall within the scope of the appended claims.

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Abstract

一种液压碟簧防潮箱体，包括防潮箱体（100），包括设置于防潮箱体底部的抽拉组件（101）、设置于抽拉组件顶部的防潮组件（102）、设置于防潮组件顶部的固定组件（103），以及设置于固定组件顶部的盖板组件（104）。通过设置可活动拆卸的防潮组件，方便安装和拆卸，保证箱体内处于一个干燥的环境，减少设备受潮引起的损坏，保护设备的安全，减少成本的消耗。

Description

一种液压碟簧防潮箱体及断路器压力信号自动测量装置 技术领域
本实用新型涉及液压碟簧防潮技术领域，特别是一种液压碟簧防潮箱体及断路器压力信号自动测量装置。
背景技术
防潮箱是说运用各种除湿技术有效地降低柜内湿度，从而达到防潮、防霉、防氧化、防锈、防微量吸湿等目的。
随着科学技术的发展，各种电子设备的应用日益普及。这些物品不能受潮，受潮后会影响使用效果，甚至损坏，防潮保护是十分重要的。
检修人员在对此类断路器开展维护检修时，需要对所有的压力信号的发出及复归准确度进行校核，如电机的启停打压信号、过压安全阀的启动信号、液压压力过低报警信号、重合闸闭锁信号、分合闸闭锁信号等。而目前采用的压力信号校核手段比较粗糙，容易出现误差。主要通过两名作业人员进行配合，一名人员手动方式控制液压泄压阀杆进行逐次泄压，另一名人员使用万用表通断档测量行程开关的节点信号，即随着泄压的进行，碟簧会释放压力而伸长，到对应压力信号时(如重合闸闭锁)行程开关节点会导通，此时暂停泄压，并手动测量碟簧行程距离数据与标准值进行对比，如此逐次完成所有压力信号的测量工作。此种走走停停、手动测量的方式极易造成测量误差，对此类高精度设备的状态造成误判断。
实用新型内容
本部分的目的在于概述本实用新型的实施例的一些方面以及简要介绍一些较佳实施例。在本部分以及本申请的说明书摘要和实用新型名称中可能会做些简化或省略以避免使本部分、说明书摘要和实用新型名称的目的模糊，而这种简化或省略不能用于限制本实用新型的范围。
鉴于上述或现有技术中存在的问题，提出了本实用新型。
为解决上述技术问题，本实用新型提供如下技术方案：一种液压碟簧防潮箱体，其包括防潮箱体，包括设置于防潮箱体底部的抽拉组件、设置于抽拉组件顶部的防潮组件、设置于防潮组件顶部的固定组件，以及设置于固定组件顶部的盖板组件。
作为本实用新型液压碟簧防潮箱体的一种优选方案，其中：抽拉组件包括 与防潮箱体底部固定连接的L型限位件、设置于防潮箱体底部的抽拉板、与抽拉板一端固定连接的弧形拉手，以及与两组L型限位件一侧固定连接的限位板。
作为本实用新型液压碟簧防潮箱体的一种优选方案，其中：防潮组件包括与防潮箱体内壁一侧固定连接的第一水平双重固定插接头、与第一水平双重固定插接头插接的第一水平双重固定插接槽、与第一水平双重固定插接槽一端固定连接的第一干燥盒、与第一干燥盒一端固定连接的第一竖直双重固定插接槽、与第一竖直双重固定插接槽插接的第一竖直双重固定插接头、与第一竖直双重固定插接头一端固定连接的第二干燥盒、与第二干燥盒一侧固定连接的第二竖直双重固定插接槽、与第二竖直双重固定插接槽插接的第二竖直双重固定插接头、与第二竖直双重固定插接头一端固定连接的第三干燥盒、与第三干燥盒一侧固定连接的第二水平双重固定插接槽，以及与第二水平双重固定插接槽插接的第二水平双重固定插接头。
作为本实用新型液压碟簧防潮箱体的一种优选方案，其中：固定组件包括对称设置于防潮箱体内壁两侧的两组L型支撑板、与L型支撑板一侧固定连接的压缩弹簧，以及与压缩弹簧一端固定连接的固定板。
作为本实用新型液压碟簧防潮箱体的一种优选方案，其中：盖板组件包括设置于防潮箱体顶部的盖板、设置于盖板顶部的U型拉手，以及设置于盖板一侧的两组连接件。
作为本实用新型液压碟簧防潮箱体的一种优选方案，其中：连接件包括设置于盖板一侧的第一螺纹板、与第一螺纹板固定连接的两组第一连接杆、与两组连接杆活动连接的连接轴、与连接轴活动连接的两组第二连接杆、与第二连接杆固定连接的第二螺纹板、分别与第一螺纹板和第二螺纹板螺纹连接的四组螺纹杆。
液压碟簧防潮箱体的有益效果：本实用新型通过设置可活动拆卸的防潮组件，方便安装和拆卸，保证箱体内处于一个干燥的环境，减少设备受潮引起的损坏，保护设备的安全，减少成本的消耗。
鉴于目前采用的压力信号校核手段比较粗糙，容易出现误差，此种走走停停、手动测量的方式极易造成测量误差，对此类高精度设备的状态造成误判断，提出了断路器压力信号自动测量装置。
为解决上述技术问题，本实用新型还提供如下技术方案：包括权利要求任一的液压碟簧防潮箱体；以及，
主机单元,包括测量采集变换模块、A/D转换模块、DSP数字信号处理器、锂电池充电管理芯片、人机显示模块，以及高精度电源模块。
作为本实用新型断路器压力信号自动测量装置的一种优选方案，其中：测量采集变换模块与A/D转换模块连接，DSP数字信号处理器分别与A/D转换模块和人机显示模块连接。
作为本实用新型断路器压力信号自动测量装置的一种优选方案，其中：锂电池充电管理芯片分别与人机显示模块和锂电池连接。
作为本实用新型断路器压力信号自动测量装置的一种优选方案，其中：高精度电源模块分别与锂电池充电管理芯片、A/D转换模块和DSP数字信号处理器连接。
断路器压力信号自动测量装置的有益效果：本实用新型轻小携带便捷、安装方便，利用电压信号采集和距离数据同步采集分析，能够实现所有压力信息的自动测量，并记录数据，数字化输出给检修人员，便于维护检修。
附图说明
为了更清楚地说明本实用新型实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。其中：
图1为液压碟簧防潮箱体的整体结构示意图。
图2为液压碟簧防潮箱体的整体结构另一个视角示意图。
图3为液压碟簧防潮箱体的爆炸示意图。
图4为液压碟簧防潮箱体的固定组件爆炸示意图。
图5为液压碟簧防潮箱体的整体结构另一个视角示意图。
图6为液压碟簧防潮箱体的图5中A处放大示意图。
图7为断路器压力信号自动测量装置的实施结构示意图。
具体实施方式
为使本实用新型的上述目的、特征和优点能够更加明显易懂，下面结合说明书附图对本实用新型的具体实施方式做详细的说明。
在下面的描述中阐述了很多具体细节以便于充分理解本实用新型，但是本实用新型还可以采用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本实用新型内涵的情况下做类似推广，因此本实用新型不受下面公开的具体实施例的限制。
其次，此处所称的“一个实施例”或“实施例”是指可包含于本实用新型至少一个实现方式中的特定特征、结构或特性。在本说明书中不同地方出现的“在一个实施例中”并非均指同一个实施例，也不是单独的或选择性的与其他实施例互相排斥的实施例。
实施例1
参照图1～6，为本实用新型第一个实施例，该实施例提供了一种液压碟簧防潮箱体，当更换防潮组件102时，可通过拉开底部的抽拉组件101，取出防潮箱体100内部插接的防潮组件102，更换干燥剂后，再插接在防潮箱体100内部，再推上抽拉组件101。
具体的，防潮箱体100，包括设置于所述防潮箱体100底部的抽拉组件101、设置于所述抽拉组件101顶部的防潮组件102、设置于所述防潮组件102顶部的固定组件103，以及设置于所述固定组件103顶部的盖板组件104。
进一步的，所述抽拉组件101包括与所述防潮箱体100底部固定连接的L型限位件101a、设置于所述防潮箱体100底部的抽拉板101b、与所述抽拉板101b一端固定连接的弧形拉手101c，以及与两组所述L型限位件101a一侧固定连接的限位板101d。抽拉板101b固定在L型限位件101a内，通过拉动弧形拉手101c方便快捷的取出和合上抽拉板101b，远离弧形拉手101c的一侧设置限位板101d，能够防止抽拉板101b突出，造成底部合不拢的现象。
进一步的，所述防潮组件102包括与所述防潮箱体100内壁一侧固定连接的第一水平双重固定插接头102a、与所述第一水平双重固定插接头102a插接的第一水平双重固定插接槽102b、与所述第一水平双重固定插接槽102b一端固定连接的第一干燥盒102c、与所述第一干燥盒102c一端固定连接的第一竖直双重固定插接槽102d、与所述第一竖直双重固定插接槽102d插接的第一竖直双重固定插接头102e、与所述第一竖直双重固定插接头102e一端固定连接的第二干燥盒102f、与所述第二干燥盒102f一侧固定连接的第二竖直双重固定插接槽102g、与所述第二竖直双重固定插接槽102g插接的第二竖直双重固定 插接头102h、与所述第二竖直双重固定插接头102h一端固定连接的第三干燥盒102i、与所述第三干燥盒102i一侧固定连接的第二水平双重固定插接槽102j，以及与所述第二水平双重固定插接槽102j插接的第二水平双重固定插接头102k。
较佳的是，第一水平双重固定插接头102a和第一水平双重固定插接槽102b为水平插接，第二水平双重固定插接槽102j和第二水平双重固定插接头102k为水平插接，方便从，防潮箱体100内取出；第一竖直双重固定插接槽102d和第一竖直双重固定插接头102e为竖直插接，第二竖直双重固定插接槽102g和第二竖直双重固定插接头102h为竖直插接，在从防潮箱体100内取出防潮组件102时，能够牢固的连接在一起，防止脱落。
进一步的，所述固定组件103包括对称设置于所述防潮箱体100内壁两侧的两组L型支撑板103a、与所述L型支撑板103a一侧固定连接的压缩弹簧103b，以及与所述压缩弹簧103b一端固定连接的固定板103c。
进一步的，所述盖板组件104包括设置于所述防潮箱体100顶部的盖板104a、设置于所述盖板104a顶部的U型拉手104b，以及设置于所述盖板104a一侧的两组连接件104c。通过抓住U型拉手104b，能够方便快捷的将盖板104a通过连接件104c旋转打开盖板104a。
进一步的，所述连接件104c包括设置于所述盖板104a一侧的第一螺纹板104a-1、与所述第一螺纹板104a-1固定连接的两组第一连接杆104a-2、与两组所述连接杆104a-2活动连接的连接轴104a-3、与所述连接轴104a-3活动连接的两组第二连接杆104a-4、与所述第二连接杆104a-4固定连接的第二螺纹板104a-5、分别与所述第一螺纹板104a-1和第二螺纹板104a-5螺纹连接的四组螺纹杆104a-6。第一螺纹板104a-1和第二螺纹板104a-5分别通过螺纹杆104a-6与盖板104a一侧和防潮箱体100一侧紧固连接，通过连接杆104a-2活动连接的连接轴104a-3转动盖板104a。
应说明的是，弧形拉手101c设置为弧形，能够更方便进行抽拉，设置两组L型支撑板103a能够更稳定的支撑，将装置放入两组L型支撑板103a中间，挤压固定板103c带动压缩弹簧103b收缩，将装置放置好后，压缩弹簧103b将压缩的力量带动固定板103c弹回，紧紧固定住装置，稳定的放置。两组L型支撑板103a中间有空隙，能够与底部防潮组件102贯通空气，更好的起到防 潮的作用。
在使用时，放置物品时分为两个使用步骤，第一个使用步骤，打开防潮箱体100的盖板104a，用手拉住U型拉手104b给与一个向上的拉力，在拉力的带动下，与U型拉手104b固定连接的盖板104a在连接件104c限制下，围绕连接轴104a-3转动，打开盖板104a。
第二个使用步骤，放入装置，将装置放入两组L型支撑板103a中间，挤压固定板103c带动压缩弹簧103b收缩，将装置放置好后，压缩弹簧103b将压缩的力量带动固定板103c弹回，紧紧固定住装置。
更换干燥剂时，在第一干燥盒102c、第二干燥盒102f和第三干燥盒102i内均放置有若干干燥剂，使整个防潮箱体100处于一个干燥的环境下，当防潮剂的效果渐渐失去时，需要更换干燥剂，将防潮箱体100底部的弧形拉手101c抽出两组L型限位件101a内，抓住第一水平双重固定插接槽102b和第二水平双重固定插接槽102j，拉出防潮箱体100，第一干燥盒102c、第二干燥盒102f和第三干燥盒102i均插接连接，可活动取下，方便清理内部的干燥剂，清理干净更换好新的干燥剂后，将第一干燥盒102c、第二干燥盒102f和第三干燥盒102i插接起来，推入防潮箱体100内部，使第一水平双重固定插接头102a和第一水平双重固定插接槽102b水平插接、第二水平双重固定插接槽102j和第二水平双重固定插接头102k水平插接，推动拉动弧形拉手101c，合上抽拉板101b，远离弧形拉手101c的一侧设置限位板101d，能够防止抽拉板101b突出，造成底部合不拢的现象。
综上，本实用新型通过设置可活动拆卸的防潮组件，方便安装和拆卸，保证箱体内处于一个干燥的环境，减少设备受潮引起的损坏，保护设备的安全，减少成本的消耗。
实施例2
参照图7，为本实用新型第二个实施例，该实施例提供了一种断路器压力信号自动测量装置，能够实现所有压力信息的自动测量，并记录数据，数字化输出给检修人员，便于维护检修。
具体的，主机单元200,包括测量采集变换模块201、A/D转换模块202、DSP数字信号处理器203、锂电池充电管理芯片204、人机显示模块205，以及高精度电源模块206。
较佳的是，测量采集变换模块201，用于测量液压碟簧泄压时的位置数据及辅助节点切换时的压力信号，并对采集到的模拟信号进行滤波，以滤除高于100kHZ的信号，并将滤波后的模拟信号传给A/D转换模块202；A/D转换模块202与测量采集变换模块201相连，用于将测量采集变换模块201传来的模拟信号转化为数字信号。
进一步的，所述测量采集变换模块201与所述A/D转换模块202连接，所述DSP数字信号处理器203分别与所述A/D转换模块202和人机显示模块205相连。人机显示模块205为触摸显示屏。
较佳的是，DSP数字信号处理器203分别于A/D转换模块202和人机显示模块205相连，用于将A/D转换模块202传来的液压碟簧位移数据及辅助节点电信号进行处理，并进行录波，之后将其与DSP数字信号处理器203内存储的同型号设备历史数据进行比较分析，同时输出本次压力信号的测量值，并将分析结果发送至人机显示模块205中显示；DSP数字信号处理器203还用于存储其计算和分析结果；即可得出本次测量的压力信号实际值，又可与标准值、历史值进行比较分析，得出设备健康度是否良好。
进一步的，所述锂电池充电管理芯片204分别与所述人机显示模块205和锂电池204a连接。用于对锂电池204a的充放电管理，并将锂电池204a的状态发送至人机显示模块205进行显示。
进一步的，所述高精度电源模块206分别与所述锂电池充电管理芯片204、A/D转换模块202和DSP数字信号处理器203连接。用于控制供给A/D转换模块202、DSP数字信号处理器203的工作电压。例如，高精度电源模块206对A/D转换模块202的提供5V电源，对DSP数字信号处理器203提供3.3V及1.8V。
应说明的是，该产品为长方体结构，外壳为高强度PLA塑料，耐脏、耐磨、抗静电、抗打击。装置尺寸200*145mm*45mm；8寸触摸液晶显示屏，分辨率：800*600。右侧面有电源开关及5.5mm电源插口。后测面1路位移传感器方形USB接口，电源为DC12V交流适配器；激光位移传感器为HG-C1200。重1.5千克，便于携带。防护等级：IP65。使用温度：-150C-+600C。完全满足工作现场多种环境；测量采集变换模块201包括高精度位移传感器传感器、辅助节点电压信号采集夹。采用5V供电，位移传感器的的检测范围为 120mm-280mm，检测精度为±0.2mm；
附件，电源适配器：为装置提供DC12V，负荷电流2A电源及充电；
高精度激光位移传感器。采用655nm波长激光波束(光束直径0.3mm)精度为±0.2mm，测量距离为120mm至280mm，该传感器具有直线度好的优良特性，相对于我们已知的超声波传感器有更高的精度，可适用于除强磁干扰外的恶劣的工业使用环境，是一款高性价比的位移传感器。
主机，由测量采集变换模块201：采集、测量断路器主旋转轴角度信号，并对模拟信号进行低通滤波、运放隔离等，然后送入A/D转换模块；A/D转换模块202：将上述模拟量同时进行二次片内集成滤波及转换为数字量；DSP数字信号处理器203：完成所有信号变量计算、录波、历史数据比较、变异量数据分析并输出被试设备状态报告；锂电池充电管理芯片204：完成便携式设备充、放电及电量统计、温度、充电电压检测；仿真接口：完成在线功能扩展调试；USB接口：完成测试数据离线分析；调试接口：在线联机协同分析处理；人机显示模块205、高精度电源模块206、锂电池204a等集成。
在使用时，DSP数字信号处理器203主要工作为，辅助节点电压信号采集夹采集到电压信号时(表明该对节点导通)提取为一个压力信号位置，此时同时读取位移传感器实时采集到距离数值，将两个采集量对应起来，并进行分析和记录，与标准值及历史值比较，显示出本次实际测量值得同时，判断出数据是否正常，设备健康度是否良好。若存在问题，会判断出是全段所有压力信息均不正常，或者某一段压力信号不正常，偏差值多少，并分析原因及提出解决办法。
将附件安装至断路器机构箱本体处及辅助开关节点处，手持装置或将装置放置在检修平台上，一键泄压即可自动测量所有压力信号。
第一步，停电安装。
第二步，设备停电在检修位置时，在断路器机构箱座上安装位移传感器，位移传感器固定座为强磁铁，可直接吸附于断路器机构箱座上，并调整好位移传感器与碟簧测量部位之间的水平(激光位移传感器的安装可实现-180°～180°的角度测量，便于找平)。在辅助开关节点上接入适量的电压信号采集夹，便于采集液压弹簧压力值变化时所输出的不同压力信号。
第三步，分别将位移传感器插口线及辅助开关电压信号采集夹接入主机。
综上，自动检测集成装置，通过采集、输出储存、显示，把节点电信号、距离信号模数转换，对应节点同步输出，有机整合。装置携带及安装便利，并可实现全程自动检测，测量实现高精度；并自动将测量数据与标准数据对比，输出给检修人员为检修人员提供策略参考，完全改变了常规检修方法，节省人力资源及作业时间；
增加工作规范性及安全性，避免人员手动测量时出现误动而造成人员及设备损伤，提高检修质量及工作效率；
成套装置，小巧方便，成果转化性强，通用于液压碟簧操作机构断路器的检修工作。
重要的是，应注意，在多个不同示例性实施方案中示出的本申请的构造和布置仅是例示性的。尽管在此公开内容中仅详细描述了几个实施方案，但参阅此公开内容的人员应容易理解，在实质上不偏离该申请中所描述的主题的新颖教导和优点的前提下，许多改型是可能的(例如，各种元件的尺寸、尺度、结构、形状和比例、以及参数值(例如，温度、压力等)、安装布置、材料的使用、颜色、定向的变化等)。例如，示出为整体成形的元件可以由多个部分或元件构成，元件的位置可被倒置或以其它方式改变，并且分立元件的性质或数目或位置可被更改或改变。因此，所有这样的改型旨在被包含在本实用新型的范围内。可以根据替代的实施方案改变或重新排序任何过程或方法步骤的次序或顺序。在权利要求中，任何“装置加功能”的条款都旨在覆盖在本文中所描述的执行所述功能的结构，且不仅是结构等同而且还是等同结构。在不背离本实用新型的范围的前提下，可以在示例性实施方案的设计、运行状况和布置中做出其他替换、改型、改变和省略。因此，本实用新型不限制于特定的实施方案，而是扩展至仍落在所附的权利要求书的范围内的多种改型。
此外，为了提供示例性实施方案的简练描述，可以不描述实际实施方案的所有特征(即，与当前考虑的执行本实用新型的最佳模式不相关的那些特征，或与实现本实用新型不相关的那些特征)。
应理解的是，在任何实际实施方式的开发过程中，如在任何工程或设计项目中，可做出大量的具体实施方式决定。这样的开发努力可能是复杂的且耗时的，但对于那些得益于此公开内容的普通技术人员来说，不需要过多实验，所述开发努力将是一个设计、制造和生产的常规工作。
应说明的是，以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的精神和范围，其均应涵盖在本实用新型的权利要求范围当中。

Claims (10)

  1. 一种液压碟簧防潮箱体，其特征在于：包括，
    防潮箱体(100)，包括设置于所述防潮箱体(100)底部的抽拉组件(101)、设置于所述抽拉组件(101)顶部的防潮组件(102)、设置于所述防潮组件(102)顶部的固定组件(103)，以及设置于所述固定组件(103)顶部的盖板组件(104)。
  2. 如权利要求1所述的液压碟簧防潮箱体，其特征在于：所述抽拉组件(101)包括与所述防潮箱体(100)底部固定连接的L型限位件(101a)、设置于所述防潮箱体(100)底部的抽拉板(101b)、与所述抽拉板(101b)一端固定连接的弧形拉手(101c)，以及与两组所述L型限位件(101a)一侧固定连接的限位板(101d)。
  3. 如权利要求2所述的液压碟簧防潮箱体，其特征在于：所述防潮组件(102)包括与所述防潮箱体(100)内壁一侧固定连接的第一水平双重固定插接头
    (102a)、与所述第一水平双重固定插接头(102a)插接的第一水平双重固定插接槽(102b)、与所述第一水平双重固定插接槽(102b)一端固定连接的第一干燥盒(102c)、与所述第一干燥盒(102c)一端固定连接的第一竖直双重固定插接槽(102d)、与所述第一竖直双重固定插接槽(102d)插接的第一竖直双重固定插接头(102e)、与所述第一竖直双重固定插接头(102e)一端固定连接的第二干燥盒(102f)、与所述第二干燥盒(102f)一侧固定连接的第二竖直双重固定插接槽(102g)、与所述第二竖直双重固定插接槽(102g)插接的第二竖直双重固定插接头(102h)、与所述第二竖直双重固定插接头(102h)一端固定连接的第三干燥盒(102i)、与所述第三干燥盒(102i)一侧固定连接的第二水平双重固定插接槽(102j)，以及与所述第二水平双重固定插接槽(102j)插接的第二水平双重固定插接头(102k)。
  4. 如权利要求3所述的液压碟簧防潮箱体，其特征在于：所述固定组件(103)包括对称设置于所述防潮箱体(100)内壁两侧的两组L型支撑板(103a)、与所述L型支撑板(103a)一侧固定连接的压缩弹簧(103b)，以及与所述压缩弹簧(103b)一端固定连接的固定板(103c)。
  5. 如权利要求4所述的液压碟簧防潮箱体，其特征在于：所述盖板组件(104)包括设置于所述防潮箱体(100)顶部的盖板(104a)、设置于所述盖板(104a)顶部的U型拉手(104b)，以及设置于所述盖板(104a)一侧的两组连接件(104c)。
  6. 如权利要求5所述的液压碟簧防潮箱体，其特征在于：所述连接件(104c) 包括设置于所述盖板(104a)一侧的第一螺纹板(104a-1)、与所述第一螺纹板(104a-1)固定连接的两组第一连接杆(104a-2)、与两组所述连接杆(104a-2)活动连接的连接轴(104a-3)、与所述连接轴(104a-3)活动连接的两组第二连接杆(104a-4)、与所述第二连接杆(104a-4)固定连接的第二螺纹板(104a-5)、分别与所述第一螺纹板(104a-1)和第二螺纹板(104a-5)螺纹连接的四组螺纹杆(104a-6)。
  7. 断路器压力信号自动测量装置，其特征在于：包括权利要求1～6任一所述的液压碟簧防潮箱体；以及
    主机单元(200),包括测量采集变换模块(201)、A/D转换模块(202)、DSP数字信号处理器(203)、锂电池充电管理芯片(204)、人机显示模块(205)，以及高精度电源模块(206)。
  8. 如权利要求7所述的断路器压力信号自动测量装置，其特征在于：所述测量采集变换模块(201)与所述A/D转换模块(202)连接，所述DSP数字信号处理器(203)分别与所述A/D转换模块(202)和所述人机显示模块(205)连接。
  9. 如权利要求8所述的断路器压力信号自动测量装置，其特征在于：所述锂电池充电管理芯片(204)分别与所述人机显示模块(205)和锂电池(204a)连接。
  10. 如权利要求9所述的断路器压力信号自动测量装置，其特征在于：所述高精度电源模块(206)分别与所述锂电池充电管理芯片(204)、所述A/D转换模块(202)和所述DSP数字信号处理器(203)连接。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208861171U (zh) * 2018-11-08 2019-05-14 云南电网有限责任公司昆明供电局 同步采集保护装置全部相量的电路结构
JP6813743B1 (ja) * 2019-11-13 2021-01-13 義烏市知新科技有限公司 野外用の配電箱
CN216212113U (zh) * 2021-07-15 2022-04-05 深圳市中正威科技有限公司 可适应极限环境下的防潮lcd显示模组
CN217336103U (zh) * 2021-12-24 2022-08-30 内蒙古京达发电有限责任公司 一种低压电动机启停及调节按钮盒的防潮装置
CN219105943U (zh) * 2022-08-31 2023-05-30 云南电网有限责任公司昆明供电局 一种液压碟簧防潮箱体及断路器压力信号自动测量装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208861171U (zh) * 2018-11-08 2019-05-14 云南电网有限责任公司昆明供电局 同步采集保护装置全部相量的电路结构
JP6813743B1 (ja) * 2019-11-13 2021-01-13 義烏市知新科技有限公司 野外用の配電箱
CN216212113U (zh) * 2021-07-15 2022-04-05 深圳市中正威科技有限公司 可适应极限环境下的防潮lcd显示模组
CN217336103U (zh) * 2021-12-24 2022-08-30 内蒙古京达发电有限责任公司 一种低压电动机启停及调节按钮盒的防潮装置
CN219105943U (zh) * 2022-08-31 2023-05-30 云南电网有限责任公司昆明供电局 一种液压碟簧防潮箱体及断路器压力信号自动测量装置

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