CN113922224A - High-voltage direct-current power supply - Google Patents
High-voltage direct-current power supply Download PDFInfo
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- CN113922224A CN113922224A CN202111266293.4A CN202111266293A CN113922224A CN 113922224 A CN113922224 A CN 113922224A CN 202111266293 A CN202111266293 A CN 202111266293A CN 113922224 A CN113922224 A CN 113922224A
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- power supply
- fixedly connected
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
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Abstract
The invention relates to the technical field of direct current power supplies, in particular to a high-voltage direct current power supply which comprises a cabinet body, wherein one side of the outer surface of the front end of the cabinet body is rotatably connected with a cabinet door, a direct current power supply is fixedly arranged at the upper end of the inner wall of the cabinet body, the outer surface of one side of the direct current power supply is fixedly connected with a fixed base at a position close to the lower end, the outer surface of one side of the direct current power supply is fixedly connected with a sealing plate at a position close to the fixed base, the outer surface of one end of the fixed base is fixedly connected with a fixed block at a position close to the lower end, and the outer surface of the upper end of the fixed base is uniformly provided with a plurality of grooves. According to the invention, the problem that the square nut moves upwards is avoided by covering the lower anti-loosening cover at the wiring position, so that the electric wire at the power supply wiring position is stabilized, and in addition, the anti-loosening cover can also avoid the problem that dust falls at the wiring position, so that the problem of pollution flashover at the contact position is avoided, and meanwhile, the problem that electric sparks occur to the electric wire at the wiring position is also avoided, so that the problem of fire is avoided.
Description
Technical Field
The invention relates to the technical field of direct current power supplies, in particular to a high-voltage direct current power supply.
Background
The high-voltage DC power supply is a power supply which is input by AC commercial power or three-phase power, outputs DC voltage of thousands of volts or more, outputs hundreds of watts to thousands of watts, and generally can stabilize or stabilize the current.
The Chinese patent discloses a high-voltage direct current with the patent application number of CN202010426295.4, and the high-voltage direct current power supply comprises a box body, a side plate, a first air bag and a strap; the side of box is equipped with four rectangular holes, two the rectangular hole all is located the upper portion of box side, and two in addition the rectangular hole all is located the lower part of box side, overlaps respectively on four the rectangular hole has the rubber sleeve, all be equipped with two draw bars on two inside walls of box, four the draw bar sliding connection is the curb plate, the side of curb plate is equipped with the air pocket No. one, be full of gas in the air pocket No. one, the outside of box is equipped with two braces.
Compared with the prior art, the problem that the high-voltage direct-current power supply in the mountainous area is difficult to carry is improved, but if the high-voltage direct-current power supply is installed in a humid environment, for example, the moisture in the air in coastal areas is large, the creepage distance at the wiring position of the high-voltage direct-current power supply is easy to increase, the pollution flashover phenomenon occurs, the electric power transmission of the high-voltage direct-current power supply is unstable, and the electric spark is easy to occur to cause fire; in addition, if the dust of air falls on the wiring of high voltage direct current power supply, in addition the dust meets moist air and has increased the electric conductivity of dust to lead to the wiring to appear dirty sudden strain of a muscle phenomenon, if the electric wire of wiring is not hard up in addition, electric spark appears easily when the power is opened and is closed, thereby causes the conflagration to take place.
For this purpose, a high voltage dc power supply is proposed.
Disclosure of Invention
The present invention is directed to a high voltage dc power supply to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a high-voltage direct-current power supply comprises a cabinet body, wherein one side of the outer surface of the front end of the cabinet body is rotatably connected with a cabinet door, a direct-current power supply is fixedly arranged at the upper end of the inner wall of the cabinet body, the outer surface of one side of the direct-current power supply is fixedly connected with a fixed base close to the lower end, the outer surface of one side of the direct-current power supply is fixedly connected with a sealing plate close to the fixed base, the outer surface of one end of the fixed base is fixedly connected with a fixed block close to the lower end, a plurality of grooves are uniformly formed in the outer surface of the upper end of the fixed base, the bottoms of the grooves are fixedly connected with current-conducting plates, the outer surface of one end of the current-conducting plates is fixedly connected with an insulating block, a locking cover is rotatably connected inside the grooves, a square groove is formed in the central position of the outer surface of the lower end of the locking cover, a square nut is arranged in the square groove, a clamping piece is in threaded connection with the central position of the outer circular surface of the square nut, the lower extreme surface fixed connection of clamping piece has a plurality of anti-skidding spine, square nut's lower extreme run through clamping piece, current conducting plate in proper order and with unable adjustment base threaded connection, the one end of locking lid is close to the first fixed dop of the equal fixedly connected with in both sides position, unable adjustment base's both sides surface is rotated through the pivot and is connected with the sealed cowling, the one end of sealed cowling is close to the fixed dop of the equal fixedly connected with second in both sides position, a plurality of line holes have been seted up in the middle of the fixed dop of sealed cowling lower extreme surface position two sets of second.
The dust of the air falls onto the wiring position of the high-voltage direct-current power supply, and the dust meets moist air, so that the wire conductivity of the dust is increased, so that the pollution flashover phenomenon occurs at the wiring position, and in addition, if the electric wire at the wiring position is loosened, electric sparks are easy to occur when the power supply is turned on and turned off, so that a fire disaster occurs, when the electric wire fixing device is used, an operator needs to put the electric wire to be connected with the direct-current power supply between the clamping piece and the current-conducting plate, then the square nut is screwed down by the screwdriver, the square nut moves downwards to drive the clamping piece to abut against the electric wire, the fixing area of the electric wire is increased through the clamping piece, so that the fixing effect is increased, in addition, the anti-skid sharp pricks connected onto the clamping piece can easily prick into the electric wire, the anti-skid sharp pricks are tiny in shape, so that the electric wire cannot be pricked, only the electric wire is prevented from sliding, so that the friction force between the clamping piece and the electric wire is further increased, therefore, when the anti-loosening cover is covered, the upper end of the square nut enters into the square groove of the anti-loosening cover, so that the first fixing chuck on the anti-loosening cover clamps the insulating block, the square nut can move upwards due to the loosening of the square nut, the problem that the square nut moves upwards and becomes loose is solved, the electric wire at the power supply wiring position is stabilized, in addition, the anti-loosening cover can also avoid the problem that dust falls at the wiring position, so that the problem that the electric wire at the contact position is polluted and flashed is avoided, the problem that the electric wire at the wiring position is electrospark is also avoided, the fire hazard is avoided, the insulating block is used for avoiding the problem that an operator touches the electric conduction plate to generate electric shock when the anti-loosening cover is covered, after the anti-loosening cover is covered, the lower sealing cover is covered again, so that the electric wire is discharged from the wire hole, the second fixing chuck and the fixing block on the sealing cover are fixed, in addition, the sealing plate seals a gap left by the sealing plate moving space, the wiring position of the power supply is in a sealed space, and therefore moist air and dust are prevented from entering the wiring position of the power supply, the problem of pollution flashover of the wiring position of the power supply is avoided, and the stability of electric power output of the power supply is improved.
Preferably, the outer surface of the upper end of the sealing cover is fixedly connected with a second magnet plate close to the central position, and the outer surface of one side of the direct-current power supply is fixedly connected with a first magnet plate close to the upper end position.
When the direct current power supply connecting wire is connected, the sealing cover is easy to cover the connecting wire position due to the gravity of the sealing cover when the direct current power supply connecting wire position is connected, and the connecting wire position is blocked by workers.
Preferably, a drying agent is arranged on the surface of the inner wall of the sealing cover, and a breathable sponge is fixedly connected to the outer surface of the drying agent.
In the invention, the breathable sponge is connected with the inner wall of the sealing cover, and the drying agent is arranged between the sealing cover and the breathable sponge, so that the moist air entering the space of the sealing cover can be absorbed by the breathable sponge and the drying agent, a relatively dry space is kept in the sealing cover, the problem that the metal material at the wiring position is corroded by the moist air is avoided, the service life of the wiring position is prolonged, and the problem that the wiring position is polluted by flashing is also avoided.
Preferably, the outer fixed surface of one end of current conducting plate is connected with the third circuit, the lower extreme fixedly connected with dual supply automatic transfer switch of third circuit, dual supply automatic transfer switch's lower extreme surface central point puts fixedly connected with second circuit, the lower extreme fixedly connected with stand-by power supply of second circuit, one side surface of stand-by power supply and the inner wall fixed connection of the cabinet body.
When the direct-current power supply works, the direct-current power supply cannot output electric power due to internal circuit damage or other reasons, so that the running of equipment using the direct-current power supply is seriously influenced.
Preferably, the center of the outer surface of one side of the third circuit is fixedly connected with a first circuit, the outer surface of one side of the first circuit is close to the control switch fixedly connected with the lower end, the lower end of the first circuit is fixedly connected with a buzzer, and the outer surface of one side of the buzzer is fixedly connected with the standby power supply.
When the emergency power supply is started, in order to remind a worker to overhaul the direct-current power supply in time, the emergency power supply, the second circuit, the double-power automatic transfer switch, the third circuit, the first circuit, the control switch and the buzzer are combined into a closed loop by closing the inside of the double-power automatic transfer switch when the double-power automatic transfer switch is started, the emergency power supply provides power, the buzzer gives an alarm after the double-power automatic transfer switch is started, the worker is reminded of starting the emergency power supply and needs to overhaul the direct-current power supply in time, in order to avoid the problem that the buzzer continuously gives an alarm when the worker repairs the direct-current power supply, the circuit of the buzzer is disconnected by pressing the control switch, the circuit inside the control switch is closed by pressing the control switch after the direct-current power supply is repaired, and when the double-power automatic transfer switch is started next time, the buzzer can give an alarm again.
Preferably, a fourth line is fixedly connected to the position, close to the center, of the outer surface of the lower end of the direct-current power supply, the fourth line is connected with a ground wire inside the direct-current power supply, an arrester is fixedly connected to the lower end of the fourth line, and the outer surface of the lower end of the arrester is fixedly connected with the inner wall of the cabinet body.
When the lightning arrester is struck to the power supply equipment, the lightning arrester can effectively prevent current in the lightning strike from entering the power supply equipment, and even if the current passes through the lightning arrester, the current can be conducted to the underground along the ground wire, so that the problem that the power supply equipment is damaged by lightning stroke is avoided, and the safety of the power supply equipment is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the problem that the square nut moves upwards is avoided by covering the lower anti-loosening cover at the wiring position, so that the electric wire at the power supply wiring position is stabilized, and in addition, the anti-loosening cover can also avoid the problem that dust falls at the wiring position, so that the problem of pollution flashover at the contact position is avoided, and meanwhile, the problem that electric sparks occur to the electric wire at the wiring position is also avoided, so that the problem of fire is avoided.
2. According to the invention, the sealing plate is covered on the fixed base, so that the wiring part of the power supply is in a sealed space, and moist air and dust are prevented from entering the wiring part of the power supply, thus the problem of pollution flashover at the wiring part of the power supply is avoided, and the stability of power output of the power supply is improved.
3. According to the invention, the standby power supply is arranged below the direct-current power supply, and when the direct-current power supply cannot output power, the dual-power automatic transfer switch is immediately started, so that the standby power supply supplies power to the wires at the wiring position, and the normal use of power equipment is not influenced, the power supply can continuously supply power under the condition of emergency power failure, and the practicability of the power supply is improved.
Drawings
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a cross-sectional view of the DC power supply of the present invention;
FIG. 3 is an enlarged cross-sectional view of the power connection of the present invention;
FIG. 4 is a partial perspective view of a wire connection of the present invention;
FIG. 5 is a perspective view of the locking cover of the present invention;
FIG. 6 is a perspective view of the seal cap of the present invention;
FIG. 7 is a perspective view of a square nut of the present invention;
figure 8 is a perspective view of a clip of the present invention.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a standby power supply; 4. a direct current power supply; 5. a lightning arrester; 6. a buzzer; 7. a control switch; 8. a first line; 9. a second line; 10. a dual power automatic transfer switch; 11. a third line; 12. a fixed base; 13. a conductive plate; 14. a first magnet plate; 15. a sealing plate; 16. a groove; 17. a locking cover; 18. a square groove; 19. a second magnet plate; 20. a sealing cover; 21. a desiccant; 22. a breathable sponge; 23. a first fixed chuck; 24. a wire hole; 25. an insulating block; 26. a second fixed chuck; 27. a fixed block; 28. a square nut; 29. a clip; 30. anti-skid spikes; 31. and a fourth line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the present invention provides a high voltage dc power supply with the following technical solutions:
a high-voltage direct-current power supply comprises a cabinet body 1, wherein one side of the outer surface of the front end of the cabinet body 1 is rotatably connected with a cabinet door 2, a direct-current power supply 4 is fixedly arranged at the upper end of the inner wall of the cabinet body 1, the outer surface of one side of the direct-current power supply 4 is fixedly connected with a fixed base 12 close to the lower end, a sealing plate 15 is fixedly connected with the outer surface of one side of the direct-current power supply 4 close to the fixed base 12, a fixed block 27 is fixedly connected with the outer surface of one end of the fixed base 12 close to the lower end, a plurality of grooves 16 are uniformly arranged on the outer surface of the upper end of the fixed base 12, a conductive plate 13 is fixedly connected with the bottom of each groove 16, an insulating block 25 is fixedly connected with the outer surface of one end of the conductive plate 13, a locking cover 17 is rotatably connected inside each groove 16, a square groove 18 is arranged at the center position of the outer surface of the locking cover 17, square inslot 18 is provided with square nut 28, square nut 28's outer disc central point puts threaded connection and has clamping piece 29, clamping piece 29's lower extreme surface fixed connection has a plurality of anti-skidding spine 30, square nut 28's lower extreme runs through clamping piece 29, current-conducting plate 13 in proper order and with unable adjustment base 12 threaded connection, the one end of locking lid 17 is close to the first fixed dop 23 of the equal fixedly connected with in both sides position, unable adjustment base 12's both sides surface is rotated through the pivot and is connected with sealed cowling 20, the one end of sealed cowling 20 is close to the fixed dop 26 of the equal fixedly connected with second in both sides position, a plurality of line holes 24 have been seted up in the middle of the surface is located two sets of fixed dops 26 of second to sealed cowling 20 lower extreme.
Dust in the air falls onto a wiring position of a high-voltage direct-current power supply, and the dust meets moist air, so that the wire conductivity of the dust is increased, so that the pollution flashover phenomenon occurs at the wiring position, and in addition, if the electric wire at the wiring position is loosened, electric sparks are easy to occur when the power supply is turned on and turned off, so that a fire disaster occurs, when the electric wire fixing device is used, an operator is required to place the electric wire to be connected with the direct-current power supply 4 between the clamping pieces 29 and the conductive plate 13, then the square nut 28 is screwed down by a screwdriver, the square nut 28 moves downwards to drive the clamping pieces 29 to abut against the electric wire, the fixing area of the electric wire is increased through the clamping pieces 29, so that the fixing effect is increased, in addition, the anti-skid spikes 30 connected on the clamping pieces 29 can easily penetrate into the electric wire, the anti-skid spikes 30 are tiny in shapes, so that the electric wire cannot be punctured, and only the electric wire is prevented from sliding, so that the friction force between the clamping pieces 29 and the electric wire is further increased, therefore, the electric wire is fastened very well, one side of the square nut 28 is screwed to be parallel to one side wall inside the groove 16, when the anti-loose cover 17 is covered, the upper end of the square nut 28 enters the square groove 18 of the anti-loose cover 17, so that the first fixing chuck 23 on the anti-loose cover 17 clamps the insulating block 25, the square nut 28 moves upwards due to the looseness, the square nut 28 is fixed by covering the anti-loose cover 17 downwards, the problem that the square nut 28 moves upwards and becomes loose is avoided, the electric wire at the power supply wiring position is stabilized, in addition, the anti-loose cover 17 can also avoid the problem that dust falls at the wiring position, so that the problem that pollution flashover occurs at the contact position is avoided, meanwhile, the problem that electric sparks occur at the wiring position is also avoided, the problem that a fire disaster occurs is avoided, the insulating block 25 is used for avoiding the problem that an operator touches the conductive plate 13 when the flip anti-loose cover 17 shocks, after covering locking lid 17 under, cover sealed cowling 20 again, make the electric wire discharge from line hole 24 department, make the fixed dop 26 chucking fixed block 27 of second on the sealed cowling 20, sealing plate 15 seals the gap of leaving because of setting up sealed plate 15 activity space in addition, make the wiring department of power be in sealed space, thereby avoid moist air and dust to enter into the wiring department of power, thereby avoid the problem of pollution flashover to appear in the wiring department of power, and then improve the stability of the electric power output of power.
As an embodiment of the present invention, as shown in fig. 3, a second magnet plate 19 is fixedly connected to an upper end outer surface of the sealing cover 20 near the center, and a first magnet plate 14 is fixedly connected to one side outer surface of the dc power supply 4 near the upper end.
When the direct-current power supply connecting wire is connected, the sealing cover 20 is easy to cover the connecting wire position due to the gravity of the sealing cover 20 when the direct-current power supply connecting wire position is connected, and therefore the connecting wire position is blocked by workers, in order to solve the problem that the sealing cover 20 blocks the connecting wire, the second magnet plate 19 is installed at the upper end of the sealing cover 20, the first magnet plate 14 is installed on the side wall of the direct-current power supply 4, when the wire at the connecting wire position is connected, the sealing cover 20 is firstly turned upwards to enable the first magnet plate 14 and the second magnet plate 19 to attract each other, the sealing cover 20 is fixed, the sealing cover 20 is directly turned downwards to enable the sealing cover to be tight after the power line is connected, the problem that the sealing cover 20 blocks the connecting wire position of the direct-current power supply 4 is solved, and the connecting speed of the power line is improved.
As one embodiment of the present invention, as shown in fig. 3, a desiccant 21 is disposed on an inner wall surface of the sealing cover 20, and a breathable sponge 22 is fixedly connected to an outer surface of the desiccant 21.
In the invention, the inner wall of the sealing cover 20 is connected with the breathable sponge 22, and the drying agent 21 is arranged between the sealing cover 20 and the breathable sponge 22, so that the moist air entering the space of the sealing cover 20 can be absorbed by the breathable sponge 22 and the drying agent 21 to ensure that a relatively dry space is kept in the sealing cover 20, thereby avoiding the problem that the metal material at the wire connecting part is corroded by the moist air, further prolonging the service life of the wire connecting part of the invention, and simultaneously avoiding the problem that the wire connecting part is polluted by flashing.
As an embodiment of the present invention, as shown in fig. 2, a third circuit 11 is fixedly connected to an outer surface of one end of the conductive plate 13, a dual power automatic transfer switch 10 is fixedly connected to a lower end of the third circuit 11, a second circuit 9 is fixedly connected to a central position of an outer surface of a lower end of the dual power automatic transfer switch 10, a standby power supply 3 is fixedly connected to a lower end of the second circuit 9, and an outer surface of one side of the standby power supply 3 is fixedly connected to an inner wall of the cabinet 1.
When the power supply works, the direct-current power supply 4 cannot output power due to internal circuit damage or other reasons, so that the running of equipment using the direct-current power supply 4 is seriously influenced.
As an embodiment of the present invention, as shown in fig. 2, a first line 8 is fixedly connected to a center position of one outer surface of the third line 11, a control switch 7 is fixedly connected to a position of a lower end of the one outer surface of the first line 8, a buzzer 6 is fixedly connected to a lower end of the first line 8, and one outer surface of the buzzer 6 is fixedly connected to the backup power supply 3.
When the emergency power supply 3 is started, in order to remind a worker to overhaul the direct-current power supply 4 in time, the inside of the automatic dual-power-supply change-over switch 10 is in a closed state when the automatic dual-power-supply change-over switch is started, so that the emergency power supply 3, the second circuit 9, the automatic dual-power-supply change-over switch 10, the third circuit 11, the first circuit 8, the control switch 7 and the buzzer 6 are combined into a closed loop, the emergency power supply 3 supplies power, the buzzer 6 gives an alarm after the automatic dual-power-supply change-over switch 10 is started, the worker is reminded of starting the emergency power supply 3 and needing to overhaul the direct-current power supply 4 in time, the worker presses the control switch 7 to disconnect the circuit of the buzzer 6 in order to avoid the problem that the buzzer 6 continuously gives an alarm in the process of repairing the direct-current power supply 4, and presses the control switch 7 to close the circuit inside the control switch 7 after the direct-current power supply 4 is repaired, so that the buzzer 6 can give an alarm again when the dual power automatic transfer switch 10 is started next time.
As an embodiment of the present invention, as shown in fig. 2, a fourth line 31 is fixedly connected to a position near the center of the outer surface of the lower end of the dc power supply 4, the fourth line 31 is connected to a ground wire inside the dc power supply 4, a lightning arrester 5 is fixedly connected to the lower end of the fourth line 31, and the outer surface of the lower end of the lightning arrester 5 is fixedly connected to the inner wall of the cabinet 1.
When the lightning arrester is struck to the power supply equipment, the lightning arrester 5 can effectively prevent current in lightning strike from entering the power supply equipment, and even if the current passes through the lightning arrester 5, the current can be conducted to the underground along the ground wire, so that the problem that the power supply equipment is damaged by lightning strike is avoided, and the safety of the power supply equipment is improved.
The using method comprises the following steps: the invention is characterized in that an operator puts the electric wire to be connected with the direct current power supply 4 between the clamping pieces 29 and the conductive plate 13, then screws the square nut 28 by a screwdriver, the square nut 28 moves downwards to drive the clamping pieces 29 to tightly abut against the electric wire, the contact area between the electric wire and the clamping pieces 29 is increased by the clamping pieces 29, so that friction is increased, in addition, the anti-skid spikes 30 connected on the clamping pieces 29 can easily penetrate into the electric wire, so as to further increase the friction force between the clamping pieces 29 and the electric wire, thereby firmly fastening the electric wire, one side of the square nut 28 is screwed to be parallel to one side wall inside the groove 16, in order to cover the anti-loose cover 17, the upper end of the square nut 28 enters into the square groove 18 of the anti-loose cover 17, the anti-loose cover 17 is covered, so that the first fixed chuck 23 on the anti-loose cover 17 clamps the insulating block 25, because the square nut 28 moves upwards, the anti-loose cover 17 is covered to prevent the anti-loose cover from moving upwards, therefore, the electric wire at the power supply wiring position is stabilized, in addition, the anti-loosening cover 17 can also avoid the problem that dust falls at the wiring position, thereby avoiding the problem of pollution flashover at the contact position, and simultaneously avoiding the problem that electric sparks occur on the electric wire at the wiring position, thereby avoiding the problem of fire, the insulating block 25 is used for avoiding the problem that an operator touches the conductive plate 13 to shock the operator when the anti-loosening cover 17 is turned over, after the anti-loosening cover 17 is covered, the sealing cover 20 is covered again, so that the electric wire is discharged from the wire hole 24, the second fixing chuck 26 on the sealing cover 20 clamps the fixing block 27, in addition, the sealing plate 15 seals the gap left by the movable space of the sealing plate 15, so that the wiring position of the power supply is in the sealed space, thereby avoiding moist air and dust from entering the wiring position of the power supply, thereby avoiding the problem of pollution flashover at the wiring position of the power supply, thereby improving the stability of the power output of the power supply; in addition, a standby power supply 3 is arranged below the direct-current power supply 4, and when the direct-current power supply 4 cannot output power, the dual-power automatic transfer switch 10 is immediately started, so that the standby power supply 3 supplies power to wires at a wiring position, and normal use of power equipment is not influenced; it is the closed state inside when dual supply automatic transfer switch 10 starts to stand-by power supply 3, second circuit 9, dual supply automatic transfer switch 10, third circuit 11, first circuit 8, control switch 7, closed loop of buzzer 6 combination, and stand-by power supply 3 provides electric power, and buzzer 6 sends out the police dispatch newspaper after dual supply automatic transfer switch 10 starts, and then reminds the staff to start stand-by power supply 3, need in time go to overhaul DC power supply 4.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high voltage direct current power supply, includes cabinet body (1), its characterized in that: one side of the outer surface of the front end of the cabinet body (1) is rotatably connected with a cabinet door (2), the upper end of the inner wall of the cabinet body (1) is fixedly provided with a direct current power supply (4), the outer surface of one side of the direct current power supply (4) is fixedly connected with a fixed base (12) close to the lower end, the outer surface of one side of the direct current power supply (4) is fixedly connected with a sealing plate (15) close to the fixed base (12), the outer surface of one end of the fixed base (12) is fixedly connected with a fixed block (27) close to the lower end, the outer surface of the upper end of the fixed base (12) is uniformly provided with a plurality of grooves (16), the bottoms of the grooves (16) are fixedly connected with conductive plates (13), the outer surface of one end of each conductive plate (13) is fixedly connected with an insulating block (25), the inner part of each groove (16) is rotatably connected with a check cover (17), and the central position of the outer surface of the lower end of the check cover (17) is provided with a square groove (18), be provided with square nut (28) in square groove (18), the outer disc central point of square nut (28) puts threaded connection and has clamping piece (29), the lower extreme surface fixed connection of clamping piece (29) has a plurality of anti-skidding spine (30), the lower extreme of square nut (28) runs through clamping piece (29), current conducting plate (13) in proper order and with unable adjustment base (12) threaded connection, the one end of locking lid (17) is close to the first fixed dop (23) of the equal fixedly connected with in both sides position, the both sides surface of unable adjustment base (12) is rotated through the pivot and is connected with sealed cowling (20), the one end of sealed cowling (20) is close to the fixed dop (26) of the equal fixedly connected with second in both sides position, a plurality of line holes (24) have been seted up in the middle of sealed cowling (20) lower extreme surface is located two sets of fixed dop (26) of second.
2. A high voltage dc power supply according to claim 1, wherein: the outer surface of the upper end of the sealing cover (20) is close to the center and fixedly connected with a second magnet plate (19), and the outer surface of one side of the direct-current power supply (4) is close to the upper end and fixedly connected with a first magnet plate (14).
3. A high voltage dc power supply according to claim 2, wherein: the inner wall surface of the sealing cover (20) is provided with a drying agent (21), and the outer surface of the drying agent (21) is fixedly connected with a breathable sponge (22).
4. A high voltage dc power supply according to claim 1, wherein: the utility model discloses a cabinet, including current conducting plate (13), one end surface fixed connection of current conducting plate (13) has third circuit (11), the lower extreme fixedly connected with dual supply automatic transfer switch (10) of third circuit (11), the lower extreme surface central point of dual supply automatic transfer switch (10) puts fixedly connected with second circuit (9), the lower extreme fixedly connected with stand-by power supply (3) of second circuit (9), one side surface of stand-by power supply (3) and the inner wall fixed connection of the cabinet body (1).
5. A high voltage direct current power supply according to claim 4, wherein: the power supply is characterized in that a first circuit (8) is fixedly connected to the center of the outer surface of one side of the third circuit (11), a control switch (7) is fixedly connected to the position of the lower end of the outer surface of one side of the first circuit (8), a buzzer (6) is fixedly connected to the lower end of the first circuit (8), and the outer surface of one side of the buzzer (6) is fixedly connected with the standby power supply (3).
6. A high voltage dc power supply according to claim 1, wherein: the lower extreme surface of DC power supply (4) is close to central point and puts fixedly connected with fourth circuit (31), fourth circuit (31) are connected with the inside ground wire of DC power supply (4), the lower extreme fixedly connected with arrester (5) of fourth circuit (31), the lower extreme surface and the cabinet body (1) inner wall fixed connection of arrester (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111266293.4A CN113922224A (en) | 2021-10-28 | 2021-10-28 | High-voltage direct-current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111266293.4A CN113922224A (en) | 2021-10-28 | 2021-10-28 | High-voltage direct-current power supply |
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| Publication Number | Publication Date |
|---|---|
| CN113922224A true CN113922224A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111266293.4A Pending CN113922224A (en) | 2021-10-28 | 2021-10-28 | High-voltage direct-current power supply |
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| Country | Link |
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| CN (1) | CN113922224A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115601912A (en) * | 2022-12-16 | 2023-01-13 | 山东民安安防科技有限公司（Cn） | Intelligent fireproof detection monitoring alarm device |
-
2021
- 2021-10-28 CN CN202111266293.4A patent/CN113922224A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115601912A (en) * | 2022-12-16 | 2023-01-13 | 山东民安安防科技有限公司（Cn） | Intelligent fireproof detection monitoring alarm device |
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