Wire insulating sleeve capable of being installed without power failure and installer thereof

Abstract

The invention relates to the technical field of power equipment, and discloses a lead insulating sleeve capable of being installed without power cut and an installer thereof, the lead insulating sleeve comprises a protective cover body, two ends of the protective cover body are provided with through holes allowing a lead to pass through, and the bottom of the protective cover body is provided with a lower side opening and closing seam penetrating through the through holes at the two ends; the partial discharge monitoring device comprises a shell, a partial discharge monitoring sensor and a wireless transceiver, the partial discharge monitoring sensor and the wireless transceiver are electrically connected with each other in the shell, and the shell is made of a magnetic conductive material; the two magnets are arranged at the top of the protective cover body, the magnets are arranged perpendicular to the length direction of the protective cover body, and the partial discharge monitoring device is adsorbed on the top surfaces of the magnets. The insulating sleeve solves the problems that for a traditional insulating sleeve, electric power workers need to maintain the insulating sleeve constantly and regularly and need to hold a partial discharge monitoring device at high altitude to monitor partial discharge, high-altitude falling and electric shock risks exist, and discovery of the partial discharge problem is missed.

Description

Technical Field

[0001] This invention relates to the field of power equipment technology, and in particular to a conductor insulating sleeve and its installer that can be installed without power interruption. Background Technology

[0002] Overhead power lines often suffer insulation damage due to tree-line conflicts or external forces, leading to safety hazards such as electric shock. Most power companies handle thousands of such defects annually. Furthermore, some sites cannot be repaired while the power is on. Patent publication number CN118676819A discloses a protective cover for bare overhead cable conductors and its installation tool. The protective cover includes a cover body with openings at both ends, designated as a female and a male end. The outer diameter of the female end is larger than that of the female end. The female end can be housed within the adjacent female end. Using the matching installation tool, the protective cover body can be easily separated using a movable clamp, allowing the conductor to be placed inside, enabling rapid installation. The protective cover effectively blocks the direct impact of the external environment on the bare conductor, reducing the corrosion from rain, dust, salt spray, and other factors, thus significantly extending the conductor's service life.

[0003] However, during long-term use, the protective covers can become damaged due to partial discharges generated by the wires for various reasons. This damage leads to more partial discharges, rendering the protective covers ineffective and creating a risk of electric shock. Therefore, electrical workers need to conduct regular inspections and monitor partial discharges at heights, which carries risks of falls and electric shock, and may also cause them to miss the detection of partial discharge problems.

[0004] Therefore, it is necessary to propose a new type of conductor insulating sleeve and its installer that can be installed without power interruption to solve the above problems. This solves the problems of traditional insulating sleeves requiring power workers to carry out regular maintenance on conductor partial discharge, and requiring partial discharge monitoring devices to be carried at heights for monitoring partial discharge, which poses both the risk of falling from heights and electric shock, and the risk of missing the detection of partial discharge problems. Summary of the Invention

[0005] This invention provides a conductor insulating sleeve and its installer that can be installed without power interruption, solving the problems of traditional insulating sleeves requiring power workers to conduct regular maintenance on conductor partial discharge issues, requiring partial discharge monitoring devices to be carried at heights for monitoring, which poses risks of falling from heights and electric shock, and may also cause the partial discharge problem to be missed.

[0006] The technical problem solved by this invention is achieved by the following technical solution: A conductor insulating sleeve that can be installed without power interruption, comprising: The protective cover body has through holes at both ends that allow wires to pass through, and a lower opening and closing slit at the bottom of the protective cover body that passes through the through holes at both ends; A partial discharge monitoring device, comprising a housing, and a partial discharge monitoring sensor and a wireless transceiver electrically connected within the housing, wherein the housing is made of a magnetically conductive material; The device includes two magnets located on the top of the protective cover body. The magnets are arranged perpendicular to the length of the protective cover body, and the partial discharge monitoring device is attached to the top surface of the magnets.

[0007] Furthermore, the top surface of the magnet is an upwardly convex arc surface, and the bottom surface of the outer shell is an inwardly concave arc surface that fits against the top surface of the magnet.

[0008] Furthermore, the top of the protective cover body is provided with a magnet groove for accommodating the magnet, and the opening of the magnet groove faces the through hole.

[0009] Furthermore, the top of the protective cover body is provided with an upper opening and closing slit, and the magnet is located on both sides of the upper opening and closing slit.

[0010] Furthermore, a sealing strip is provided on the lower opening and closing seam, and the sealing strip is made of a material that is harder than the protective cover body.

[0011] Furthermore, the protective cover body is made of a reversible thermochromic material.

[0012] A sleeve installer is provided for installing the aforementioned wire insulating sleeve that can be installed without power interruption. The sleeve installer includes an insulating rod, a support rod, a mounting clip, and a magnetic attraction assembly. The mounting clip and the magnetic attraction assembly are fixed to the support rod, and the support rod is fixed to the top of the insulating rod. The magnetic attraction assembly is used to attract and release the partial discharge monitoring device, thereby allowing the partial discharge monitoring device to be attached and detached from the magnet.

[0013] Furthermore, the magnetic attraction assembly includes an adsorption body fixed on a support rod, and a weak magnet and a strong magnet adsorbed on the adsorption body. The weak magnet has a lower adsorption force than the strong magnet after being adsorbed on the adsorption body, and the strong magnet has a higher adsorption force than the strong magnet after being adsorbed on the adsorption body.

[0014] Furthermore, it also includes a battery and a switch button. The magnetic attraction assembly includes an attraction coil, the battery is electrically connected to the attraction coil, and the switch button is used to control the connection between the battery and the attraction coil. The switch button is located on the insulating rod.

[0015] Furthermore, it also includes a speaker, the bottom surface of the magnetic suction assembly is provided with a photoelectric sensor, the top surface of the partial discharge monitoring device is provided with a reflective layer, and the photoelectric sensor and the speaker are electrically connected to the battery respectively.

[0016] The beneficial effects of this invention are: 1. This invention comprises a protective shield body, a partial discharge monitoring device, and magnets. The protective shield body is made of an elastic material, with through holes at both ends allowing wires to pass through. The bottom of the protective shield body has a lower opening slit that passes through the through holes at both ends. The partial discharge monitoring device includes a housing, and a partial discharge monitoring sensor and a wireless transceiver electrically connected within the housing. The housing is made of a magnetically conductive material. Two magnets are located on the top of the protective shield body, arranged perpendicular to the length of the protective shield body. The partial discharge monitoring device is attracted to the top surface of the magnets. In use, the partial discharge monitoring device is not placed initially when the protective shield body is opened. After the protective shield body is properly fitted onto the damaged wire, the magnets on the top of the protective shield body support and fix the partial discharge monitoring device, allowing for long-term fixation. The partial discharge status is transmitted to a remote terminal via the wireless transceiver, eliminating the need for frequent, periodic high-altitude maintenance and ensuring that partial discharge problems are not missed. When it is necessary to replace the protective shield body or the partial discharge monitoring device, simply remove the partial discharge monitoring device from the magnets.

[0017] 2. The sleeve installer of the present invention is used to install the above-mentioned wire insulating sleeve that can be installed without power interruption. It is fixed to the support rod by a mounting clip and a magnetic attraction component. The support rod is fixed to the top of the insulating rod. The magnetic attraction component is used to attract and release the partial discharge monitoring device, thereby allowing the partial discharge monitoring device to be installed and removed from the magnet without the need for high-altitude installation and removal. This solves the problem that traditional insulating sleeves require power workers to conduct regular maintenance on wire partial discharge, and require high-altitude operation of the partial discharge monitoring device, which poses risks of falling from height and electric shock, and may also cause the partial discharge problem to be missed.

[0018] 3. The top surface of the magnet in this invention is an upwardly convex arc surface, and the bottom surface of the outer shell is an inwardly concave arc surface that fits against the top surface of the magnet. In use, the outer shell and the magnet can automatically slide and align during adsorption using the arc surfaces, making the placement of the partial discharge monitoring device more precise and convenient. Furthermore, the magnet and the protective cover body form a smoother, more integrated, and simpler appearance, preventing the accumulation of water.

[0019] 4. The protective cover body of the present invention has an upper opening and closing slit at its top, and the magnets are located on both sides of the upper opening and closing slit. The upper opening and closing slit makes it easier for the protective cover body to deform and open, and the magnets are arranged in two positions on both sides of the upper opening and closing slit, so as not to affect the opening of the protective cover body.

[0020] 5. The lower opening and closing seam of the present invention is provided with a sealing strip, the sealing strip being made of a material harder than the protective cover body. A sealing strip harder than the protective cover body allows the protective cover body to be opened neatly when the sleeve installer opens it, and is less prone to deformation and falling off after installation.

[0021] 6. The protective cover body of the present invention is made of a reversible temperature-sensitive color-changing material. This can alert inspection personnel to determine whether the operating temperature of the equipment is within a safe range.

[0022] 7. The sleeve of this invention has a reflective warning sticker on the outside to provide a warning function at night.

[0023] 8. The protective cover body of the present invention is made of polycarbonate material, which has excellent performance and can withstand long-term outdoor conditions.

[0024] 9. The protective cover body of the present invention has a magnet groove on its top for accommodating the magnet, and the opening of the magnet groove faces the through hole. In use, the magnet is inserted into the magnet groove through the opening, which is convenient for disassembly and assembly. The magnets will not attract each other or shift, thus protecting the magnets, and the protective cover body is more aesthetically pleasing. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a perspective view of a first embodiment of the overhead cable bare conductor protective cover of the present invention.

[0027] Figure 2 This is a perspective view of the partial discharge monitoring device after separation from the magnet in Embodiment 1 of the overhead cable bare conductor protective cover of the present invention.

[0028] Figure 3 for Figure 2 Enlarged view of point A.

[0029] Figure 4 for Figure 2 Enlarged view of point B.

[0030] Figure 5 This is a perspective view of Embodiment 2 of the overhead cable bare conductor protective cover of the present invention after the partial discharge monitoring device has been removed.

[0031] Figure 6 for Figure 5 Enlarged view of point C.

[0032] Figure 7 This is a perspective view of the sleeve installer of the present invention when using a strong magnet in Embodiment 1.

[0033] Figure 8 This is a perspective view of the sleeve installer of the present invention when a weak magnet is used in Embodiment 1.

[0034] Figure 9 This is a perspective view of Embodiment 2 of the sleeve installer of the present invention.

[0035] Figure 10 This is a schematic diagram of the sleeve installer of the present invention before the sleeve is opened, according to Embodiment 2.

[0036] Figure 11 This is a schematic diagram of the second embodiment of the sleeve installer of the present invention when the sleeve is opened and no partial discharge monitoring device is installed on the sleeve.

[0037] Figure 12 This is a schematic diagram of the second embodiment of the sleeve installer of the present invention after the sleeve has been installed and the partial discharge monitoring device has been installed on the sleeve.

[0038] Figure 13 This is a schematic diagram of the sleeve installer according to Embodiment 2 of the present invention after being detached from the sleeve.

[0039] in: 100-Protective cover body, 10-Through hole, 11-Lower side opening and closing seam, 12-Magnetic groove, 13-Opening, 14-Upper side opening and closing seam, 15-Seal, 200-Partial discharge monitoring device, 20-Housing shell, 300-Magnet, 400-Insulating rod, 500-Support rod, 600-Mounting clip, 700-Magnetic suction assembly, 70-Adhesive body, 71-Weak magnet, 72-Strong magnet, 73-Battery, 74-Switch button, 800-Speaker, 900-Photoelectric sensor. Detailed Implementation

[0040] To make the objectives, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0041] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.

[0042] In this invention, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. The terms "vertical," "horizontal," "left," "right," "above," "below," and similar expressions are for illustrative purposes only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0043] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0044] See Figures 1 to 4 An embodiment of a wire insulation sleeve that can be installed without power interruption includes: The protective cover body 100 has through holes 10 at both ends that allow wires to pass through, and a lower opening and closing slit 11 at the bottom of the protective cover body 100 that passes through the through holes 10 at both ends. A partial discharge monitoring device 200 includes a housing 20, and a partial discharge monitoring sensor and a wireless transceiver electrically connected within the housing 20. The housing 20 is made of a magnetically conductive material. Two magnets 300 are provided and located on the top of the protective cover body 100. The magnets 300 are arranged perpendicular to the length direction of the protective cover body 100. The partial discharge monitoring device 200 is adsorbed on the top surface of the magnets 300.

[0045] When in use, the partial discharge monitoring device 200 is not placed on the protective cover body 100 immediately after it is opened. After the protective cover body 100 is properly fitted onto the damaged wire, the partial discharge monitoring device 200 is fixed in place by the magnet 300 on the top of the protective cover body 100. It can be fixed for a long time and transmits the partial discharge status to a remote terminal via a wireless transceiver. This eliminates the need for frequent high-altitude maintenance and ensures that partial discharge problems are not missed. When it is necessary to replace the protective cover body 100 or the partial discharge monitoring device 200, simply remove the partial discharge monitoring device 200 from the magnet 300. This solves the problems of traditional insulating sleeves for partial discharge problems on wires, which require power workers to carry the partial discharge monitoring device at height for monitoring, posing risks of falling from height and electric shock, and missing the detection of partial discharge problems.

[0046] The top surface of the magnet 300 is an upwardly convex arc surface, and the bottom surface of the outer shell 20 is an inwardly concave arc surface that fits against the top surface of the magnet 300. In use, the outer shell 20 and the magnet 300 can automatically slide and align during adsorption using the arc surfaces, making the placement of the partial discharge monitoring device 200 more precise and convenient. Furthermore, the magnet 300 and the protective cover body 100 form a smoother, more integrated, and simpler appearance, preventing the accumulation of water.

[0047] The protective cover body 100 has an upper opening and closing slit 14 at its top, and the magnets 300 are located on both sides of the upper opening and closing slit 14. The upper opening and closing slit 14 makes it easier for the protective cover body 100 to deform and open, and the magnets 300 are arranged in two positions on both sides of the upper opening and closing slit 14, so as not to affect the opening of the protective cover body 100.

[0048] A sealing strip 15 is provided on the lower opening and closing seam 11. The sealing strip 15 is made of a material that is harder than the protective cover body 100. The sealing strip 15, which is harder than the protective cover body 100, can neatly open the protective cover body 100 when the sleeve installer opens it, and is not easily deformed or fallen off after installation.

[0049] The protective cover body 100 is made of a reversible temperature-sensitive color-changing material. This can alert inspection personnel to determine whether the operating temperature of the equipment is within a safe range.

[0050] Preferably, reflective warning stickers are affixed to the outside of the sleeve to provide nighttime warning.

[0051] Preferably, the protective cover body 100 is made of polycarbonate material, which has excellent performance and can withstand long-term outdoor conditions.

[0052] See Figure 5 and Figure 6 A second embodiment of a wire insulation sleeve that can be installed without power interruption differs from the first embodiment in that the top of the protective cover body 100 is provided with a magnet groove 12 for accommodating the magnet 300, and the opening 13 of the magnet groove 12 faces the through hole 10.

[0053] When in use, insert the magnet 300 into the magnet slot 12 through the opening 13 for easy disassembly and assembly. The magnets 300 will not attract each other or shift, protecting the magnets 300, and the protective cover body 100 is more aesthetically pleasing.

[0054] See Figure 7 and 8An embodiment of a sleeve installer is provided. The sleeve installer is used to install the aforementioned wire insulating sleeve that can be installed without power interruption. The sleeve installer includes an insulating rod 400, a support rod 500, a mounting clip 600, and a magnetic attraction assembly 700. The mounting clip 600 and the magnetic attraction assembly 700 are fixed on the support rod 500. The support rod 500 is fixed to the top of the insulating rod 400. The magnetic attraction assembly 700 is used to attract and release the partial discharge monitoring device 200, thereby allowing the partial discharge monitoring device 200 to be attached and detached from the magnet 300.

[0055] In use, open the lower opening slit 11 and engage it with the mounting clip 600. Hold the insulating rod 400 and place the protective cover body 100 over the damaged wire. Pull down the insulating rod 400 to continue pressing down the mounting clip 600, causing the protective cover body 100 to detach from the mounting clip 600. Simultaneously, the partial discharge monitoring device 200, attracted by the magnetic component 700, adheres to the top surface of the magnet 300. The magnetic component 700 releases the partial discharge monitoring device 200, which then adheres to the top surface of the magnet 300, completing the installation of the protective cover body 100 and the partial discharge monitoring device 200. To replace the magnetic component 700, simply attach the magnetic component 700 to the partial discharge monitoring device 200, and the device will detach from the top surface of the magnet 300.

[0056] The magnetic attraction component 700 includes an adsorption body 70 fixed on a support rod 500, and a weak magnet 71 and a strong magnet 72 adsorbed on the adsorption body 70. The weak magnet 71 has a lower adsorption force than the magnet 300 after being adsorbed on the adsorption body 70, and the strong magnet 72 has a higher adsorption force than the magnet 300 after being adsorbed on the adsorption body 70. If it is necessary to place the partial discharge monitoring device 200 on the magnet 300, the weak magnet 71 is attached to the bottom surface of the adsorption body 70, and the partial discharge monitoring device 200 is attached to the bottom surface of the weak magnet 71 and attached to the top surface of the magnet 300. Since the magnet 300 has a relatively strong adsorption force, the partial discharge monitoring device 200 is attached to the top surface of the magnet 300 and detached from the weak magnet 71. If it is necessary to remove the partial discharge monitoring device 200 from the magnet 300, the strong magnet 72 is attached to the bottom surface of the adsorption body 70, and the partial discharge monitoring device 200 is attached to the bottom surface of the strong magnet 72 and attached to the top surface of the magnet 300. Since the magnet 300 has a relatively weak adsorption force, the partial discharge monitoring device 200 is detached from the top surface of the magnet 300 and attached to the strong magnet 72.

[0057] See Figures 9 to 13 One embodiment of a sleeve installer, unlike embodiment two, further includes a battery 73 and a switch button 74. The magnetic attraction assembly 700 includes an attraction coil. The battery 73 is electrically connected to the attraction coil. The switch button 74 is used to control the connection and disconnection between the battery 73 and the attraction coil. The switch button 74 is located on the insulating rod 400.

[0058] In use, if it is necessary to place the partial discharge monitoring device 200 on the magnet 300, press the switch button 74 to activate the attraction coil, which will attract the partial discharge monitoring device 200 to the bottom surface of the attraction coil and attach it to the top surface of the magnet 300. At this time, press the switch button 74 to deactivate the attraction coil, and the partial discharge monitoring device 200 will be attracted to the top surface of the magnet 300 and detached from the attraction coil. If it is necessary to remove the partial discharge monitoring device 200 from the magnet 300, press the switch button 74 to activate the attraction coil and attach it to the top surface of the partial discharge monitoring device 200, and the partial discharge monitoring device 200 will detach from the top surface of the magnet 300 and be attracted to the bottom surface of the attraction coil.

[0059] The system also includes a speaker 800. The bottom surface of the magnetic suction assembly 700 is equipped with a photoelectric sensor, and the top surface of the partial discharge monitoring device 200 is equipped with a reflective layer. The photoelectric sensor 900 and the speaker 800 are electrically connected to the battery 73. When the partial discharge monitoring device 200 needs to be removed from the top of the protective cover body 100, the user moves the magnetic suction assembly 700 by holding the insulating rod 400. When the light emitted by the photoelectric sensor is reflected by the reflective layer and received by the photoelectric sensor, the speaker 800 receives the signal and emits a sound, thus informing the user that the magnetic suction assembly 700 is aligned with the partial discharge monitoring device 200, allowing it to be attracted. This helps the user determine the specific location of the partial discharge monitoring device 200, which is not visible to the naked eye, on the protective cover body 100. Following the prompts from the speaker 800, the user moves the magnetic suction assembly 700 to the corresponding position of the partial discharge monitoring device 200.

[0060] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A live-line installable wire insulation sleeve, characterized by, The utility model relates to a kind of local discharge monitoring device and its installation device, including: Shield body (100), shield body (100) both ends are provided with through hole (10) allowing wire to pass through, the bottom of the shield body (100) is provided with lower side opening and closing slit (11) passing through both ends through hole (10); Local discharge monitoring device (200), the local discharge monitoring device (200) includes shell (20), and local discharge monitoring sensor and wireless transceiver are electrically connected in shell (20), and the shell (20) is magnetically permeable material; Magnet (300), the magnet (300) is provided with two and is located at the top of shield body (100), the magnet (300) is perpendicular to the length direction of shield body (100) and is arranged, and the local discharge monitoring device (200) is adsorbed on the top surface of the magnet (300).

2. The dead-front wire insulation bushing of claim 1, wherein: The top surface of the magnet (300) is upwardly convex arc surface, and the bottom surface of the shell (20) is concave arc surface which is attached to the top surface of the magnet (300).

3. The dead-front wire insulation bushing of claim 1, wherein: The top of the shield body (100) is provided with magnet slot (12) for accommodating the magnet (300), and the opening (13) of the magnet slot (12) faces the through hole (10).

4. The dead-front wire insulation bushing of claim 1, wherein: The top of the shield body (100) is provided with upper side opening and closing slit (14), and the magnet (300) is located on both sides of the upper side opening and closing slit (14).

5. The no power installation capable conductor insulation sleeve of claim 1, wherein: The lower side opening and closing slit (11) is provided with sealing strip (15), and the sealing strip (15) is made of harder material than the shield body (100).

6. The no power installation capable conductor insulation sleeve of claim 1, wherein: The shield body (100) is reversely temperature-sensitive color-changing material.

7. A casing installer characterized by: The sleeve installer is used for installing the live-line installation wire insulation sleeve of any one of claims 1 to 6, and the sleeve installer includes an insulating rod (400), a supporting rod (500), a mounting buckle (600), and a magnetic attraction assembly (700). The mounting buckle (600) and the magnetic attraction assembly (700) are fixed on the supporting rod (500), the supporting rod (500) is fixed on the top of the insulating rod (400), and the magnetic attraction assembly (700) is used for adsorbing and releasing the local discharge monitoring device (200), so as to disassemble and assemble the local discharge monitoring device (200) on the magnet (300).

8. The casing installer of claim 7, wherein: The magnetic attraction assembly (700) includes an adsorption body (70) fixed on the supporting rod (500), a weak magnet (71) and a strong magnet (72) adsorbed on the adsorption body (70), the adsorption force of the weak magnet (71) is lower than that of the magnet (300) after being adsorbed on the adsorption body (70), and the adsorption force of the strong magnet (72) is higher than that of the magnet (300) after being adsorbed on the adsorption body (70).

9. The casing installer of claim 7, wherein: Further comprising a battery (73) and a switch button (74), the magnetic attraction assembly (700) includes an attraction coil, the battery (73) is electrically connected with the attraction coil, the switch button (74) is used for controlling the on-off between the battery (73) and the attraction coil, and the switch button (74) is arranged on the insulating rod (400).

10. The casing installer of claim 9, wherein: It also includes a loudspeaker (800), the magnetic assembly (700) bottom surface is provided with a photoelectric sensor, the local emission monitoring device (200) top surface is provided with a reflective layer, the photoelectric sensor (900), loudspeaker (800) are respectively connected with the battery (73).

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