Mobile intelligent flexible temporary maintenance fence

Abstract

The invention relates to a movable intelligent flexible temporary maintenance fence, one end of the fence is fixed on the ground, a miniature power motor, an operation control unit, a rechargeable battery, an operation keyboard and the like which are mounted at the other end of the fence are utilized to realize the expansion and contraction of the fence, and the operation keyboard is locked by a lock; audible and visual alarm and personnel distance detection are combined, and when the distance between a person and a fence protection area is smaller than or equal to a safe distance, a voice alarm is given out; in a night scene, especially under the condition of insufficient light, external personnel are further reminded through a warning lamp and a voice alarm; a plurality of early warning methods are combined, the distance of an invader is accurately monitored in real time, an alarm is given in time, irrelevant personnel are prevented from opening the fence to enter a protection area through a lock, and the multi-scene safety protection requirement in the daytime and at night, especially under the condition of insufficient light can be met; the device has the advantages of being simple and reasonable in structure, capable of freely stretching out and drawing back, capable of meeting multi-scene protection requirements and capable of achieving intelligent approaching early warning.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of power production protection equipment, and particularly relates to a mobile intelligent flexible temporary maintenance fence. BACKGROUND

[0002] Power equipment operation and maintenance is an important work of power system workers. Due to the high voltage level and high risk coefficient of power equipment operation, especially in the working site of high voltage level electrical equipment, thousands of volts, even tens or hundreds of thousands of volts of high voltage will be generated in the testing and testing process, which is a great threat to the personal safety of test personnel. Therefore, in order to protect the personal safety of maintenance personnel, placing a fence during power equipment maintenance is a convenient and quick method. The traditional fence protection measure has the advantages of low cost, convenient arrangement and high cost performance. The disadvantage is that most of them are pure mechanical structures, not combined with modern intelligent technology, have passive protection but cannot actively warn, and have certain safety risks. The commonly used maintenance fence also mainly adopts the above safety fence mode. Two people are needed to carry the fence to the maintenance equipment position during maintenance, manually place it according to the safety distance requirement, manually combine and install it according to the object of the equipment used, set up a no-entry sign to prevent irrelevant personnel from entering, manually collect the fence after the completion of the maintenance task. This method has low working efficiency, low intelligentization degree and lacks effective danger warning mechanism.

[0003] In the prior art, the Chinese invention patent with the publication number CN117558091A discloses a substation intelligent safety fence telescopic rod, which comprises a base, an electric rod body, a telescopic rod body, a round cover, a sub-controller unit; the base is fixedly arranged on the ground and internally provided with a motor, and the sub-controller unit is connected with the motor; the electric rod body is fixedly arranged on the base and internally fixedly provided with an electric push rod, the electric push rod is electrically connected with the motor, and the electric rod body is connected with the telescopic rod body through the electric push rod; the telescopic rod body is nested in the inside of the electric rod body, the telescopic rod body is made of transparent material, and the telescopic rod body is internally provided with an LED lamp; the round cover is fixedly connected with the telescopic rod body, the round cover is internally provided with a telescopic device and a telescopic warning belt, and the telescopic warning belt is telescoped in the round cover through the telescopic device; the sub-controller unit is fixedly arranged in the inside of the base and connected with a remote control platform, and the remote control platform controls the telescoping of the telescopic rod body through the sub-controller unit. Although the present application can shorten the time of the safety fence facility and reduce the burden of the operation and maintenance personnel, the fence base is fixed to the ground, the application scene is limited, it cannot meet the portable movement of multiple maintenance work scenes, and the flexibility is insufficient. Therefore, it is very necessary to provide a mobile intelligent flexible temporary maintenance fence which is simple and reasonable in structure, can be freely telescoped, avoids private entry into the maintenance area, meets the protection requirements of multiple scenes, and intelligently warns. SUMMARY

[0004] The mobile intelligent flexible temporary maintenance fence has the advantages of simple and reasonable structure, free expansion, avoidance of private entry into the maintenance area, meeting of the protection requirements in multiple scenes, and intelligent proximity warning.

[0005] The mobile intelligent flexible temporary maintenance fence has the advantages of simple and reasonable structure, free expansion, avoidance of private entry into the maintenance area, meeting of the protection requirements in multiple scenes, and intelligent proximity warning.

[0006] The micro power motor is connected with the operation control unit, the motor power and the forward and reverse rotation are controlled by using the operation control unit, the fence is expanded and contracted, the operation keyboard is connected with the alarm lamp, and the day and night warning is controlled; the expansion baffle is provided with a text warning slogan.

[0007] The rechargeable battery is an external pluggable lithium battery, and the protection level is not less than IP68; the voice alarm adopts a ranging voice alarm; the external object distance detector adopts an ultrasonic ranging radar; and the alarm lamp adopts an LED warning lamp.

[0008] The fence mobile end can be expanded and contracted by using the handheld remote controller or the operation keyboard; the operation keyboard is provided with a safety lock, the keyboard protection cover can be opened by using the safety lock, and the keyboard can be operated; the operation control unit comprises a wireless communication module, an STC15W204S chip and a storage module.

[0009] When the fence is applied to a soft ground, the ground nail is fixed to the ground through the fixed perforation in the fixed base interior of the fixed end; when the fence is applied to a hard ground, the fixed end base is fixed by using the anti-toppling counterweight.

[0010] When the fence is applied to a night protection scene, the top warning lamp of the mobile end is turned on by using the operation keyboard.

[0011] The present application is a mobile intelligent flexible temporary maintenance fence, which provides a portable, freely scalable, personnel or external object proximity distance measuring and early warning, and meets the safety protection needs of multiple scenes during the day and night. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The fixed end of the fence of the present application is shown.

[0013] Figure 2 The moving end of the fence of the present application is shown.

[0014] Figure 3 The fence of the present application is shown.

[0015] Figure 4 The fence of the present application is shown.

[0016] Figure 5 The fence of the present application is shown.

[0017] Figure 6 The fence of the present application is shown.

[0018] Figure 7 The working principle of the fence of the present application is shown.

[0019] Figure 8 The operation and protection process of the mobile intelligent flexible temporary maintenance fence of the present application is shown.

[0020] In the diagram: 1. Fixed end bracket; 2. Handle; 3. Fixed end base; 4. Side pull wheel; 5. Fixing perforation; 6. Moving end bracket; 7. Warning light; 8. Ultrasonic ranging radar; 9. Voice alarm; 10. Operation keypad; 11. Rechargeable battery; 12. Moving end base; 13. Moving wheel; 14. Telescopic baffle; 15. Anti-tipping ventilation hole; 16. Ground stake; 17. Soft ground; 18. Anti-tipping counterweight; 19. Hard ground. Detailed Implementation

[0021] To address the problems of traditional mobile mechanical fences used in current temporary power operations being easy to open and close, lacking distance measurement and voice alarm functions when external personnel or objects approach, making it easy for personnel, especially foreign objects, to enter the maintenance area, thereby increasing the risk of maintenance accidents, and relying mostly on reflective signs for warning at night, lacking dedicated nighttime sound and light warning functions and insufficient visibility, this invention designs a fence that can be freely extended and retracted, prevents unauthorized personnel from opening the fence to enter the maintenance area, meets the temporary safety protection needs of multiple maintenance scenarios in the power system, and has intelligent early warning for personnel or foreign objects approaching, which is of great significance.

[0022] The present invention will be further described below with reference to the embodiments and / or accompanying drawings.

[0023] Example 1

[0024] like Figures 1-8 As shown, a mobile intelligent flexible temporary maintenance fence includes a fixed end, a movable end, and a remote control. The fixed end and the movable end are connected by a telescopic baffle 14, which has a hole in the middle to enhance the fence's resistance to wind and tipping. The fixed end has a mounting hole on the top of its base and side pull wheels 4 on its side. The movable end has wheels 13 on its bottom frame, a micro motor, a running control unit, and a rechargeable battery 11 installed on its lower interior, and an operation keyboard 10, an external object distance detector, a voice alarm 9, an alarm light, and a power switch installed on its upper part.

[0025] The micro motor is connected to the operation control unit, which controls the motor power and forward / reverse rotation to achieve fence extension and retraction; the operation keypad 10 is connected to the alarm light to control its day and night warning; the telescopic baffle 14 is equipped with text warning slogans.

[0026] The rechargeable battery 11 is an externally pluggable lithium battery with a protection level of not less than IP68; the voice alarm 9 is a distance-measuring voice alarm.

[0027] The external object distance detector is an ultrasonic ranging radar 8; the alarm light is an LED warning light 7.

[0028] In the embodiment, the ultrasonic ranging radar adopts HC-SR04 probe, the detection precision is 3mm, the detection distance is 2-600cm, and the detection distance calculation formula is as follows: s=v*Delta t / 2, wherein, s is distance, v is the propagation speed of ultrasonic wave, and Delta t is time difference.

[0029] The fence mobile end can realize telescopic movement through a handheld remote controller or an operation keyboard 10.

[0030] The operation keyboard 10 is provided with a safety lock, and the keyboard can be operated after the safety lock opens the keyboard protective cover.

[0031] The running control unit comprises a wireless communication module, an STC15W204S chip and a storage module.

[0032] In the embodiment, the STC15W204S chip is based on an ARM Cortex-M4 core, has a 64KB FLASH program memory, a 20KB RAM, a system clock of 72MHz, a working voltage of 2.3-3.6V and a working temperature of -40-85 DEG C.

[0033] The present application is a kind of movable intelligent flexible temporary maintenance fence, in use, the present application adopts lightweight flexible telescopic structure design, with the characteristics of convenient to use, durable, not affected by the use of site, can meet the fence use requirements of different scenes, different areas and different equipment;Using advanced and latest positioning and sensing technology, the state of intruding personnel and the position can be monitored in real time and accurately and real-time alarm;Using special key and special remote controller to realize the telescopic operation of fence, can avoid unauthorized personnel to open the fence and enter the power operation area without permission;Combining sound and light, external personnel or object distance detection various early warning methods, real-time and accurate monitoring of intruding personnel distance and timely alarm, using lock to avoid unrelated personnel to open the fence and enter the protection area, can meet the safety protection needs of multiple scenes in daytime and night especially in insufficient light conditions;The present application has the advantages of simple and reasonable structure, free telescopic, avoiding private access to maintenance area, meeting the protection needs of multiple scenes, intelligent proximity warning.

[0034] Example 2

[0035] As Figures 1-8As shown, a mobile intelligent flexible temporary maintenance fence includes a fence fixed end and a fence mobile end, the fence fixed end and the fence mobile end are connected through a telescopic baffle 14, a plurality of anti-toppling ventilation holes 15 are arranged in the middle of the telescopic baffle 14, which enhances the anti-toppling ability of the fence; the fence fixed end includes a fixed end support 1, a handle 2, a fixed end base 3, a side pull wheel 4 and a fixed perforation 5, wherein the handle 2 is installed at the top end of the fixed end support 1, the side pull wheel 4 is installed on the side of the fixed end base 3, and two fixed perforations 5 are arranged on both sides of the fixed end base 3; the fence mobile end includes a mobile end support 6, a warning light 7, an ultrasonic ranging radar 8, a voice alarm 9, an operation keyboard 10, a rechargeable battery 11, a mobile end base 12 and a mobile wheel 13, wherein the mobile wheel 13 is installed on the mobile end base 12 at the bottom of the mobile end support 6, the warning light 7 is installed at the top end of the mobile end support 6, the ultrasonic ranging radar 8, the voice alarm 9 and the operation keyboard 10 are installed on the upper part of the mobile end support 6, the mobile end base 12 is installed at the bottom of the mobile end support 6, and the mobile wheel 13 is installed at the bottom of the mobile end base 12.

[0036] Specifically, the operation keyboard 10 is provided with a power switch, an operation button for controlling the telescopic fence, and a rechargeable battery power indicator; the operation keyboard 10 is provided with a protective cover on the surface, and the protection level is not less than IP68; the protective cover is provided with a special key hole, and the protective cover can be opened only by a special key to operate the keyboard.

[0037] It should be noted that the protection level of the operation keyboard protective cover and the installed lock in the present application can be realized by various embodiments using existing technology, as long as it can realize the functions described in the present application, and therefore specific limitations are not made here.

[0038] The mobile end support 6 is a hollow support, and a rechargeable battery 11, a micro power motor and a running control unit are installed in the inside lower part thereof; the rechargeable battery 11 supplies power to each electrical element through a wire; the running control unit realizes the movement of the fence mobile end by controlling the forward and reverse rotation of the micro power motor, thereby realizing the contraction and expansion of the fence.

[0039] Specifically, it should be noted that the operation control unit is mainly composed of a wireless communication module, an STC15W204S chip and the like, wherein the STC15W204S chip is based on an ARM Cortex-M4 core, has a 64KB FLASH program memory, a 20KB RAM, a system clock up to 72MHz, a working voltage of 2.3-3.6V, and a working temperature of -40-85℃. In the present application, the rotation of the wheels at the bottom of the movable end of the fence is realized by controlling the forward and reverse rotation of the micro power motor, and the purpose of fence extension is achieved. The existing technology can achieve the function by various implementation manners, and only the function can be achieved, so the specific limitation is not made here.

[0040] As a specific implementation manner that can be realized, as shown in Figure 3 , the present application discloses a whole schematic diagram of a mobile intelligent flexible temporary maintenance fence after extension, wherein a folding telescopic baffle is installed between the fence fixed end support and the movable end support; a anti-toppling ventilation hole is formed in the middle of the telescopic baffle; and a warning slogan is printed on the middle telescopic baffle.

[0041] It should be noted that the connection and folding between the telescopic baffles in the present application can be realized by various implementation manners of the existing technology, and only the function can be achieved, so the specific limitation is not made here.

[0042] As another specific implementation manner that can be realized, as shown in Figure 4 , the present application discloses a whole schematic diagram of a mobile intelligent flexible temporary maintenance fence after contraction, and the portable movement of the fence can be realized by using the handle installed at the top of the fixed end and the side-pulling wheels of the fixed end base after the contraction of the fence.

[0043] As shown in Figure 5 , Figure 6 , the present application discloses different fixing manners of a mobile intelligent flexible temporary maintenance fence, when the fence is placed on a soft ground, the fixed end can be fixed on the ground by the ground nail through the fixed end base starting fixing hole; when the fence is placed on a hard ground, the anti-toppling counterweight block is pressed on the top of the fixed end base by the ground nail, so that the fixed end is fixed on the ground.

[0044] It should be noted that the anti-toppling counterweight block in the present application is composed of two symmetrical weights and a connecting plate, and can be realized by various implementation manners of the existing technology, and only the function can be achieved, so the specific limitation is not made here.

[0045] When the fence is applied to a night protection scene, the movable end top warning light 7 is turned on by operating the keyboard 10.

[0046] The application discloses a mobile intelligent flexible temporary maintenance fence, which has the characteristics of convenient use, long service life and no influence of use site, and can meet the fence use requirements of different scenes, different areas and different equipment.

[0047] Embodiment 3

[0048] As shown in Figures 7-8 , the operation and protection process of the mobile intelligent flexible temporary maintenance fence disclosed by the application is as follows:

[0049] (1) according to the placement scene conditions, the fence fixed end is fixed to the ground by using ground nails or anti-toppling counterweight blocks;

[0050] (2) the operation keyboard protection cover is opened by a remote controller or a special key, the keyboard button is manually operated, the fence is stretched out, and the protection cover is locked again to prevent other personnel from operating;

[0051] (3) when the fence is placed in a night work scene, the warning light is turned on by operating the keyboard;

[0052] (4) the ultrasonic ranging radar monitors the distance d1 of the external personnel from the fence in real time, and when the distance d1 is less than or equal to the safety distance d0, the voice alarm gives a voice alarm.

[0053] The working principle of the above fence is as shown in Figure 7 , and the working process is as shown in Figure 8 .

[0054] The above gives a specific embodiment, but the application is not limited to the described embodiment. The basic idea of the application is the above basic scheme, and according to the teaching of the application, various transformed models, formulas and parameters can be designed without creative labor for ordinary skilled personnel in the art. Changes, modifications, replacements and variations of the embodiments without departing from the principles and spirits of the application still fall within the protection scope of the application.

Claims

1. A mobile intelligent flexible temporary maintenance fence, comprising a fixed end, a movable end, and a remote controller, characterized in that: The fixed end and the moving end of the fence are connected by a telescopic baffle. The telescopic baffle has a hole in the middle to enhance the fence's resistance to wind and tipping. The fixed end of the fence has a fixed mounting hole on the top of the bottom base and side pull wheels on the side. The moving end of the fence has wheels on the bottom of the frame, a micro motor, a running control unit, and a rechargeable battery installed on the lower side inside, and an operation keyboard, an external object distance detector, a voice alarm, an alarm light, and a power switch installed on the upper part.

2. The mobile intelligent flexible temporary maintenance fence as described in claim 1, characterized in that: The micro motor is connected to the operation control unit, which controls the motor power and forward / reverse rotation to achieve fence extension and retraction; the operation keyboard is connected to the alarm light to control its day and night warning. The retractable baffle is equipped with a text warning sign.

3. The mobile intelligent flexible temporary maintenance fence as described in claim 2, characterized in that: The rechargeable battery is an externally pluggable lithium battery with a protection rating of not less than IP68; the voice alarm is a distance-measuring voice alarm.

4. The mobile intelligent flexible temporary maintenance fence as described in claim 3, characterized in that: The external object distance detector uses ultrasonic ranging radar; the alarm light uses LED warning light.

5. A mobile intelligent flexible temporary maintenance fence as described in claim 4, characterized in that: The mobile fence can be extended and retracted using a handheld remote control or an operation keyboard.

6. The mobile intelligent flexible temporary maintenance fence as described in claim 5, characterized in that: The keyboard is equipped with a safety lock. After opening the keyboard cover with the safety lock, the keyboard can be operated.

7. A mobile intelligent flexible temporary maintenance fence as described in claim 2, characterized in that: The operation control unit consists of a wireless communication module, an STC15W204S chip, and a storage module.

8. The mobile intelligent flexible temporary maintenance fence as described in claim 1, characterized in that: When the fence is applied to soft ground, it is fixed to the ground by passing ground nails through fixing holes inside the fixed end base.

9. A mobile intelligent flexible temporary maintenance fence as described in claim 8, characterized in that: When the fence is applied to a hard surface, its fixed end base is secured by an anti-tipping counterweight.

10. A mobile intelligent flexible temporary maintenance fence as described in claim 9, characterized in that: When the fence is used for nighttime protection, the warning light on the top of the mobile device can be turned on by operating the keyboard.

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