CN114864203A - B + C three-phase power supply lightning protection device - Google Patents
B + C three-phase power supply lightning protection device Download PDFInfo
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- CN114864203A CN114864203A CN202210665782.5A CN202210665782A CN114864203A CN 114864203 A CN114864203 A CN 114864203A CN 202210665782 A CN202210665782 A CN 202210665782A CN 114864203 A CN114864203 A CN 114864203A
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- 238000005192 partition Methods 0.000 claims description 3
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- 238000012423 maintenance Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 14
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/001—Mass resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
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Abstract
The invention relates to the technical field of electrical equipment, in particular to a B + C three-phase power supply lightning protection device. The technical scheme comprises the following steps: the mounting panel, protecting sheathing and rectangle frame, the positive block of mounting panel has protecting sheathing, install the high temperature glass courage in the protecting sheathing, C level module is installed to protecting sheathing's positive one side, B level module is installed to protecting sheathing's positive opposite side, protecting sheathing's bottom card with have the rectangle frame, and the internally mounted of rectangle frame has the protecting screen, the constant head tank has been seted up with inside bottom at the inside top of protecting sheathing, the base is installed through the constant head tank in protecting sheathing's inside, the internally mounted of base has the module inner core. According to the invention, the high-temperature glass liner is arranged in the protective shell, has the characteristics of high temperature resistance, good stability, stable chemical performance and the like, can protect electrical elements in the device, prevents the electrical elements from being damaged by external force, and can effectively improve the safety protection performance of the device.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a B + C three-phase power supply lightning protection device.
Background
The three-phase power supply is a transmission form of electric energy, which is called three-phase power supply for short, and is a power supply composed of three alternating current potentials with the same frequency, the same amplitude and the phases sequentially different from each other by 120 degrees, most alternating current electric equipment in the industry, such as a motor, adopts the three-phase power supply, in an electronic information system, in order to ensure the safe use of the electric equipment, when the length of a line between a voltage switch type surge protector and a voltage limiting type surge protector is less than 10m and the length of the line between the voltage limiting type surge protectors is less than 5m, a decoupling device is additionally arranged between two stages of surge protectors, in the actual installation process, the installation distance requirement between two stages cannot be met due to the problem of installation space, and in this way, a user can solve the problem of the installation distance between two stages if adopting a B + C type combined surge protector, the surge protector is also called lightning protector, and is an indispensable safety device in electronic equipment lightning protection, and has the functions of limiting the instantaneous overvoltage fleeing into a power line and a signal transmission line within the voltage range which can be borne by equipment or a system, and discharging strong impact current into the ground, so that the equipment or the system is not damaged by the impact surge.
Through retrieval, patent publication No. CN211046481U discloses a three-phase power supply lightning protection device, which comprises a U-shaped mounting seat, eight guide slide rails are uniformly arranged on the front surface of the U-shaped mounting seat, a bulge matched with a clamping groove is fixedly arranged on the upper surface and the lower surface of each lightning protection device body, a limiting groove is arranged on one side of the bulge, a mounting groove is arranged on the inner side of the clamping groove, a reset spring is fixedly arranged on the inner side of the mounting groove, one end of the reset spring is fixedly connected with a limiting rod corresponding to the limiting groove, and an operating block matched with the guide slide rails is fixedly arranged on the outer side of the limiting rod, in the prior art, during the use of most of the devices in the CN211046481U market, the safety protection performance is general, especially the high temperature resistance is general, the special use requirements of the lightning protection device cannot be met by common insulating plastics, and when the device is used for a long time, small insects easily enter the device from the ventilation opening, therefore, a B + C three-phase power supply lightning protection device is provided to solve the existing problems.
Disclosure of Invention
The invention aims to provide a B + C three-phase power supply lightning protection device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a B + C three-phase power supply lightning protection device comprises a mounting plate, a protective shell and a rectangular frame, wherein the protective shell is clamped on the front surface of the mounting plate, a high-temperature glass liner is arranged in the protective shell, a C-level module is arranged on one side of the front surface of the protective shell, the other side of the front surface of the protective shell is provided with a B-level module, a parameter plate is attached to the lower parts of the front surfaces of the C-level module and the B-level module, the bottom of the protective shell is clamped and provided with a rectangular frame, and the inside of the rectangular frame is provided with a protective net, the top part and the bottom part of the inside of the protective shell are provided with positioning grooves, the interior of the protective shell is provided with a base through a positioning groove, the front surface of the base is provided with an inner baffle plate, the inner part of the base is provided with a module inner core, a C-level pressure-sensitive inner core is arranged in the module inner core, and a B-level pressure-sensitive inner core is arranged on one side of the C-level pressure-sensitive inner core.
The mounting plate is a mounting substrate of the device, can provide a mounting position for internal electrical elements, can mount the device in a designated working area by using the mounting plate when in use, can protect the internal electrical elements of the device by using the protective shell to prevent the electrical elements from being damaged by external force, can provide a mounting position for the internal electrical elements of the device, can be special glass with a high-temperature glass liner capable of reaching or bearing corresponding temperature under certain temperature and pressure conditions, has the characteristics of high temperature resistance, good stability, stable chemical performance and the like, can effectively improve the safety protection performance of the device, can adopt a C-level protector which is commonly used in the prior art as a C-level module, can ensure that the protection level of the device on voltage reaches the level of the C-level protector by using the arrangement of the C-level module, can adopt the prior art as a B-level module, and structurally and intensively mount the C-level module and the B-level module, the device has small volume, can realize automatic matching in the circuit voltage protection operation, can ensure that the current capacity reaches the level of a B-level module while the voltage protection level reaches the protection level of a C-level module, can mark the operation parameters and other operation information of the device by using a parameter plate so as to be convenient for a worker or an operation and maintenance maintainer to check and maintain, is convenient for people to safely use the device, improves the usability of the device, can be made of insulating rubber and has certain elasticity, can be clamped and installed at the bottom of the protective shell for disassembly when being clamped and installed, can also provide the installation position of a protective net, can prevent insects and other small-sized reptiles from entering the inner part of the protective shell by using the installation of the protective net, is also beneficial to the ventilation of the internal components of the device in the process, and can improve the stability of the device during operation, the module inner core consists of a C-level pressure-sensitive inner core and a B-level pressure-sensitive inner core which are commonly used piezoresistors in the prior art, zinc oxide is used as a main body, a plurality of metal oxides are added, a polycrystalline semiconductor ceramic element is manufactured by an electronic ceramic process and is used for transferring redundant voltage, the C-level pressure-sensitive inner core and the B-level pressure-sensitive inner core consist of three parts, a metal oxide material is arranged in the middle, two semiconductors are connected with a power supply and a ground wire, the semiconductors have variable resistors which change along with the change of the voltage, when the voltage is lower than a maou specific value, the resistors in the C-level pressure-sensitive inner core and the B-level pressure-sensitive inner core are high, the lightning protection device does not work, otherwise, when the voltage exceeds the specific value, the electronic motion can be changed, the resistances of the C-level voltage-sensitive inner core and the B-level voltage-sensitive inner core can be greatly reduced, the circuit is conducted, and the over-current is absorbed to discharge to the ground, so that the lightning protection device is the prior known technology.
Preferably, the bottom of the protective casing is provided with a wiring terminal hole, the front of the protective casing is provided with a panel through screws, the front of the panel is provided with three groups of screw holes, the outer side of each screw hole is provided with a slot, and the front of each screw hole is clamped with a protective cover. Utilize the binding post hole to provide the through position of external connection end, can be connected three phase current lightning protection device and external connection end when the installation, can insert the circuit with three phase current lightning protection device, make device normal operating, can protect device internal electronic component for the current panel that utilizes, avoid three phase current lightning protection device internal electronic component to receive external force and destroy, the life of extension three phase current lightning protection device, and guarantee three phase current lightning protection device safe and stable operation, for current well-known technique, utilize the screw can provide the mounted position of screw, utilize the visor can protect the screw, utilize the staff of can being convenient for of fluting to use external tool to prize the visor open.
Preferably, a first fixing screw hole is formed in the upper portion of the front face of the base, and two sets of second fixing screw holes are formed in the lower portion of the front face of the base. The cooperation that utilizes first fixed screw hole and the fixed screw hole of second can provide the mounted position of screw, also is convenient for use the screw simultaneously and installs base and mounting panel, and the device of being convenient for assembles, for current lightning protection device basic component commonly used.
Preferably, the top of the rectangular frame is provided with a clamping cylinder, and the reinforcing ridges are arranged in the rectangular frame at equal intervals. Utilize a card section of thick bamboo can be convenient for carry out the joint installation with rectangle frame and base, a card section of thick bamboo and rectangle frame can adopt insulating rubber to make, have certain elasticity, and utilize and consolidate the spine and can improve the structural strength of protecting screen and a card section of thick bamboo and rectangle frame, and the device of being convenient for uses steadily to prevent that the insect from getting into the device for a long time inside, improve the security of device.
Preferably, a nameplate is attached to the upper portion of the front face of the parameter plate, and a text column is arranged below the front face of the parameter plate. The data plate can adopt metal material to make to the surface of data plate can mark appointed information, and the writing board can provide the printing or the position of writing of characters, and the staff of being convenient for marks specific information manually, can be convenient for mark the operating parameter of device through the cooperation of data plate and writing board, so that staff or fortune dimension maintainer look over and maintain the device of being convenient for safe handling.
Preferably, a second indication window is arranged above the front face of the B-level module, and a second graphic identifier is attached to the front face of the B-level module. Utilize setting up of second indication window can be convenient for overhaul or the bright lamp suggestion that the device was looked over to fortune dimension personnel to in order to inspect the running state of device, for the basic component of current three phase current lightning protection device, for well-known technique, utilize second graphical sign to mark the correspondence to B level module, so that overhaul or fortune dimension personnel very first time know the left side be B level module, conveniently seek, convenient to overhaul personnel overhaul the device and maintain, improved the practicality of device.
Preferably, a first indication window is arranged above the front face of the C-level module, and the front face of the C-level module is attached with a first graphic identifier. Utilize the setting of first instruction window can be convenient for overhaul or the bright lamp suggestion that the device was looked over to fortune dimension personnel to in order to inspect the running state of device, for the basic component of current three phase current lightning protection device, for well-known technique, utilize first graphic identification to mark the correspondence to C level module, so that overhaul or fortune dimension personnel know the right side very first time and be C level module, conveniently seek, and the convenient to overhaul personnel overhaul the device and maintain, have improved the practicality of device.
Preferably, the outer side of the high-temperature glass liner is provided with insulating plastic, and the inner side of the high-temperature glass liner is attached with insulating silicone grease. High temperature glass courage has excellent high temperature resistance, security when can the hoisting device uses, and insulating plastic has excellent insulating properties, for the common component of current three phase current lightning protection device, can effectively carry out insulation protection to three phase current lightning protection device, insulating silicone grease still has good heat-conduction performance when having excellent insulating properties, when three phase current lightning protection device inside temperature is higher, the heat radiation can be absorbed by insulating silicone grease relatively fast, and outwards give off through insulating silicone grease, the heat dispersion of device has been improved, and insulating silicone grease has better buffer performance, when three phase current lightning protection device takes place physics and collides with external member, utilize insulating silicone grease can carry out safety protection to the inside electrical component of three phase current lightning protection device, avoid the inside electrical component of three phase current lightning protection device to take place to damage.
Preferably, a ground wire grounding hole is formed in one side above the front surface of the mounting plate, and a phase wire wiring hole is formed in one side below the front surface of the mounting plate. Utilize ground wire grounding hole can provide the through position of ground wire, can be convenient for three phase current lightning protection device ground connection when the installation uses to guarantee three phase current lightning protection device performance safety, utilize phase line wiring hole can provide the through position of phase line, can be convenient for carry out the erection joint with three phase current lightning protection device and phase line when the installation uses, so that use three phase current lightning protection device access circuit.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the high-temperature glass liner is arranged in the protective shell, has the characteristics of high temperature resistance, good stability, stable chemical performance and the like, can protect electrical elements in the device, prevents the electrical elements from being damaged by external force, and can effectively improve the safety protection performance of the device.
2. According to the invention, the protection net is arranged in the rectangular frame, so that insects and other small reptiles can be prevented from entering the protection shell by utilizing the installation of the protection net, and the ventilation of internal components of the device is facilitated in the process, the stability of the device in operation can be improved, the insects or other reptiles can be prevented from entering the device, and the interference of the insects or other reptiles on the operation of the device can be prevented.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a partial structural view of the protective casing of the present invention;
FIG. 5 is a partial structural view of a base according to the present invention;
FIG. 6 is a schematic view of a partial structure of the modular core of the present invention;
FIG. 7 is a partial structural diagram of a rectangular frame according to the present invention;
FIG. 8 is a cross-sectional partial structure of the protective casing of the present invention;
fig. 9 is a partial structural view of the mounting plate of the present invention.
In the figure: 1. mounting a plate; 101. a ground wire grounding hole; 102. a phase line wiring hole; 2. a protective housing; 201. a high temperature glass liner; 202. insulating plastic; 203. insulating silicone grease; 3. a C-level module; 301. a first indication window; 302. a first graphical identifier; 4. a B-level module; 401. a second indication window; 402. a second graphical identifier; 5. a parameter board; 501. a nameplate; 502. a text column; 6. a rectangular frame; 601. clamping the cylinder; 602. reinforcing the ridges; 603. a protection net; 7. a wiring terminal hole; 8. a base; 801. a first fixing screw hole; 802. a second fixing screw hole; 803. an inner partition plate; 9. a modular inner core; 901. a class C pressure sensitive inner core; 902. a class B pressure sensitive inner core; 10. a panel; 1001. a screw hole; 1002. grooving; 1003. a protective cover; 11. and (6) positioning a groove.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the B + C three-phase power supply lightning protection device provided by the present invention includes a mounting plate 1, a protective casing 2 and a rectangular frame 6, the protective casing 2 is fastened on the front surface of the mounting plate 1, a high temperature glass liner 201 is installed in the protective casing 2, a C-stage module 3 is installed on one side of the front surface of the protective casing 2, a B-stage module 4 is installed on the other side of the front surface of the protective casing 2, a parameter plate 5 is attached to the front surfaces of the C-stage module 3 and the B-stage module 4, the bottom card of the protective casing 2 and the rectangular frame 6 are installed, a protective mesh 603 is installed inside the rectangular frame 6, a positioning groove 11 is opened on the top inside of the protective casing 2 and the bottom inside, a base 8 is installed inside the protective casing 2 through the positioning groove 11, an inner partition 803 is installed on the front surface of the base 8, a module core 9 is installed inside the base 8, a C-level pressure-sensitive inner core 901 is installed in the module inner core 9, and a B-level pressure-sensitive inner core 902 is installed on one side of the C-level pressure-sensitive inner core 901.
The B + C three-phase power supply lightning protection device based on the first embodiment has the working principle that: the mounting plate 1 is a mounting substrate of the device, can provide a mounting position for internal electrical elements, can mount the device in a designated working area by using the mounting plate 1 when in use, can protect the internal electrical elements of the device by using the protective shell 2 to prevent the electrical elements from being damaged by external force, and can provide a mounting position for the internal electrical elements of the device, the high-temperature glass liner 201 can reach or bear special glass with corresponding temperature under certain temperature and pressure conditions, has the characteristics of high temperature resistance, good stability, stable chemical performance and the like, can effectively improve the safety protection performance of the device, the C-level module 3 can adopt a C-level protector which is commonly used in the prior art, the protection level of the device on voltage can reach the level of the C-level protector by using the arrangement of the C-level module 3, the B-level module 4 can adopt the prior art, and the C-level module 3 and the B-level module 4 are structurally and intensively mounted, the device has small volume, can realize automatic matching in the circuit voltage protection operation, realizes that the protection level of voltage reaches the protection level of a C-level module 3 and simultaneously the through-current capacity reaches the level of a B-level module 4, can mark the operation parameters and other operation information of the device by utilizing a parameter plate 5 so as to be convenient for a worker or an operation maintenance maintainer to check and maintain, is convenient for people to safely use the device, improves the usability of the device, the rectangular frame 6 can be made of insulating rubber and has certain elasticity, the rectangular frame 6 is clamped and installed at the bottom of the protective shell 2 and can be disassembled, the rectangular frame 6 can also provide the installation position of the protective net 603, insects and other small-sized reptiles can be prevented from entering the protective shell 2 by utilizing the installation of the protective net 603, and is favorable for the ventilation of the internal components of the device in the process, the device can improve the stability of the device in operation, avoid insects or other reptiles from entering the device and prevent the insects or other reptiles from interfering the device in operation, the base 8 can be stably placed in the protective shell 2 by utilizing the contact of the positioning groove 11 and the base 8, the base 8 and the protective shell 2 are convenient to assemble, the module inner core 9 consists of a C-level pressure-sensitive inner core 901 and a B-level pressure-sensitive inner core 902, the C-level pressure-sensitive inner core 901 and the B-level pressure-sensitive inner core 902 are common piezoresistors in the prior art, zinc oxide is used as a main body, a plurality of metal oxides are added, a polycrystalline semiconductor ceramic element is manufactured by an electronic ceramic process and is used for transferring redundant voltage, the C-level pressure-sensitive inner core 901 and the B-level pressure-sensitive inner core 902 consist of three parts, a metal oxide material is arranged in the middle part, two semiconductors are connected with a power supply and a ground wire, and have variable resistors which are changed along with the change of the voltage, when the voltage is lower than the majordou specific value, the resistances in the C-level voltage-sensitive inner core 901 and the B-level voltage-sensitive inner core 902 are very high, and the lightning protection device does not work, otherwise, when the voltage exceeds the specific value, the electronic motion changes, the resistances of the C-level voltage-sensitive inner core 901 and the B-level voltage-sensitive inner core 902 are greatly reduced, the circuit is conducted, and the over-current is absorbed to discharge to the ground, which is the prior known technology.
Example two
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 7, fig. 8, and fig. 9, compared with the first embodiment, the B + C three-phase power lightning protection device of the present invention further includes: the bottom of the protective shell 2 is provided with a wiring terminal hole 7, the front of the protective shell 2 is provided with a panel 10 through screws, the front of the panel 10 is provided with three groups of screw holes 1001, the outer side of the screw holes 1001 is provided with a slot 1002, the front of the screw holes 1001 is clamped with a protective cover 1003, a first fixing screw hole 801 is arranged above the front of the base 8, two groups of second fixing screw holes 802 are arranged below the front of the base 8, the top of the rectangular frame 6 is provided with a clamping cylinder 601, the inside of the rectangular frame 6 is equidistantly provided with reinforcing ridges 602, a nameplate 501 is attached above the front of the parameter plate 5, a text column 502 is arranged below the front of the parameter plate 5, a second indication window 401 is arranged above the front of the B-level module 4, a second graphic sign 402 is attached to the front of the B-level module 4, a first indication window 301 is arranged above the front of the C-level module 3, and a first graphic sign 302 is attached to the front of the C-level module 3, insulating plastic 202 is installed on the outside of high temperature glass container 201, and insulating silicone grease 203 is laminated on the inside of high temperature glass container 201, and ground wire grounding hole 101 has been seted up to the positive top one side of mounting panel 1, and phase line wiring hole 102 has been seted up to the positive below one side of mounting panel 1.
In this embodiment, as shown in fig. 1, a through position of an external terminal can be provided by using a terminal hole 7, a three-phase power supply lightning arrester can be connected with the external terminal when being installed, and the three-phase power supply lightning arrester can be connected to a circuit, so that the device can normally operate, an electronic component inside the device can be protected by using a panel 10 in the prior art, the electronic component inside the three-phase power supply lightning arrester is prevented from being damaged by external force, the service life of the three-phase power supply lightning arrester is prolonged, and the safe and stable operation of the three-phase power supply lightning arrester is ensured, in the prior art, a screw hole 1001 can be provided by using a screw hole, a screw can be protected by using a protective cover 1003, and a worker can pry the protective cover 1003 by using an external tool by using a slot 1002; as shown in fig. 5 and 9, the first fixing screw hole 801 and the second fixing screw hole 802 are used to cooperate to provide a mounting position for screws, and at the same time, the base 8 and the mounting plate 1 are conveniently mounted by using screws, so that the device is convenient to assemble, and is a common basic component of the existing lightning protection device; as shown in fig. 3 and 7, the rectangular frame 6 and the base 8 can be conveniently clamped and installed by using the clamping cylinder 601, the clamping cylinder 601 and the rectangular frame 6 can be made of insulating rubber and have certain elasticity, and the reinforcing ridge 602 can improve the structural strength of the protective net 603 and the clamping cylinder 601 and the rectangular frame 6, so that the device can be stably used, insects can be prevented from entering the device for a long time, and the safety of the device is improved; as shown in fig. 1 and 2, the nameplate 501 may be made of a metal material, and the surface of the nameplate 501 may be marked with designated information, and the text column 502 may provide a printing or writing position of a text, so that a worker may manually mark specific information, and the matching of the nameplate 501 and the text column 502 may facilitate marking of operation parameters of the device, so that the worker or operation and maintenance staff may check and maintain the device, thereby facilitating safe use of the device; as shown in fig. 1, fig. 2, and fig. 3, the second indication window 401 is used to facilitate the maintenance or operation and maintenance personnel to check the lighting prompt of the device, so as to check the operation state of the device, and as a basic component of the existing three-phase power lightning protection device, the second graphic identifier 402 is used to mark and correspond to the B-level module 4, so that the maintenance or operation and maintenance personnel can know that the left side is the B-level module 4 at the first time, thereby facilitating the search, facilitating the maintenance and repair of the device by the maintenance personnel, and improving the practicability of the device; as shown in fig. 1, fig. 2, and fig. 3, the first indication window 301 is used for facilitating the maintenance or operation and maintenance personnel to check the lighting prompt of the device, so as to check the operation state of the device, and is a basic component of the existing three-phase power supply lightning protection device, and in the known technology, the first graphic identifier 302 is used for marking and corresponding to the C-level module 3, so that the maintenance or operation and maintenance personnel can know that the right side is the C-level module 3 at the first time, thereby facilitating the search, facilitating the maintenance and repair of the device by the maintenance personnel, and improving the practicability of the device; as shown in fig. 4 and 8, the high temperature glass liner 201 has excellent high temperature resistance, can improve the safety of the device during use, the insulating plastic 202 has excellent insulating property, is a common component of the existing three-phase power supply lightning protector, can effectively carry out insulation protection on the three-phase power supply lightning protection device, the insulating silicone grease 203 has excellent insulating property and good heat conduction property, when the internal temperature of the three-phase power supply lightning protection device is higher, the heat radiation can be quickly absorbed by the insulating silicone grease 203, and is radiated to the outside through the insulating silicone grease 203, the heat radiation performance of the device is improved, and the insulating silicone grease 203 has better buffer performance, when the three-phase power supply lightning protection device is physically collided with an external component, the insulating silicone grease 203 can be used for carrying out safety protection on the electrical elements in the three-phase power supply lightning protection device, so that the electrical elements in the three-phase power supply lightning protection device are prevented from being damaged; as shown in fig. 9, the ground wire grounding hole 101 can provide a through position of the ground wire, so that the three-phase power lightning arrester can be grounded during installation and use, thereby ensuring the three-phase power lightning arrester to perform a safety function, the phase wire wiring hole 102 can provide a through position of the phase wire, and the three-phase power lightning arrester and the phase wire can be conveniently installed and connected during installation and use, thereby facilitating the use of the three-phase power lightning arrester access circuit.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (9)
1. The utility model provides a B + C three phase current lightning protection device, includes mounting panel (1), protecting sheathing (2) and rectangle frame (6), its characterized in that: the front clamping of the mounting plate (1) is provided with a protective casing (2), a high-temperature glass liner (201) is installed in the protective casing (2), a C-level module (3) is installed on one side of the front of the protective casing (2), a B-level module (4) is installed on the other side of the front of the protective casing (2), a parameter plate (5) is attached to the lower portion of the front of the C-level module (3) and the B-level module (4), a rectangular frame (6) is clamped and arranged at the bottom of the protective casing (2), a protection net (603) is installed inside the rectangular frame (6), a positioning groove (11) is formed in the top of the inner portion of the protective casing (2) and the bottom of the inner portion of the protective casing (2), a base (8) is installed inside the protective casing (2) through the positioning groove (11), an inner partition plate (803) is installed on the front of the base (8), and a module inner core (9) is installed inside the base (8), a C-level pressure-sensitive inner core (901) is installed in the module inner core (9), and a B-level pressure-sensitive inner core (902) is installed on one side of the C-level pressure-sensitive inner core (901).
2. The B + C three-phase power lightning protection device of claim 1, wherein: the wiring terminal hole (7) has been seted up to the bottom of protecting sheathing (2), and panel (10) are installed through the screw in the front of protecting sheathing (2), and three screw holes (1001) of group have been seted up in the front of panel (10), and fluting (1002) have been seted up in the outside of screw hole (1001), and the front block of screw hole (1001) has visor (1003).
3. The B + C three-phase power lightning protection device according to claim 1, wherein: first fixed screw hole (801) have been seted up to the front top of base (8), and two sets of second fixed screw holes (802) have been seted up to the front below of base (8).
4. The B + C three-phase power lightning protection device of claim 1, wherein: a card section of thick bamboo (601) is installed at the top of rectangle frame (6), and the inside equidistance of rectangle frame (6) installs and consolidates spine (602).
5. The B + C three-phase power lightning protection device of claim 1, wherein: a nameplate (501) is attached to the upper portion of the front face of the parameter plate (5), and a text column (502) is arranged below the front face of the parameter plate (5).
6. The B + C three-phase power lightning protection device of claim 1, wherein: a second indication window (401) is formed in the upper portion of the front face of the B-level module (4), and a second graphic identification (402) is attached to the front face of the B-level module (4).
7. The B + C three-phase power lightning protection device according to claim 1, wherein: a first indication window (301) is formed in the upper portion of the front face of the C-level module (3), and a first graphic identification (302) is attached to the front face of the C-level module (3).
8. The B + C three-phase power lightning protection device of claim 1, wherein: insulating plastic (202) is installed on the outer side of the high-temperature glass liner (201), and insulating silicone grease (203) is attached to the inner side of the high-temperature glass liner (201).
9. The B + C three-phase power lightning protection device of claim 1, wherein: ground wire grounding hole (101) have been seted up to the positive top one side of mounting panel (1), and phase line wiring hole (102) have been seted up to the positive below one side of mounting panel (1).
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CN113193481A (en) * | 2021-05-24 | 2021-07-30 | 深圳市海鹏信电子股份有限公司 | Composite surge protection device with double arc extinguishers |
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