CN114039290A - High protection level low pressure switchgear - Google Patents
High protection level low pressure switchgear Download PDFInfo
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- CN114039290A CN114039290A CN202111369208.7A CN202111369208A CN114039290A CN 114039290 A CN114039290 A CN 114039290A CN 202111369208 A CN202111369208 A CN 202111369208A CN 114039290 A CN114039290 A CN 114039290A
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- door
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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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
- H02B1/24—Circuit arrangements for boards or switchyards
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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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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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
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
-
- 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
- H02B1/54—Anti-seismic devices or installations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a high-protection-level low-voltage complete switch device, which comprises a switch device box, a comprehensive plate, a connecting block, a storage frame and a baffle plate, wherein the comprehensive plate is arranged at the bottom of the switch device box; two groups of connecting blocks which are arranged up and down are arranged on the outer walls of the two sides of the switch equipment box, a storage frame is arranged on the outer wall of one side, away from the switch equipment box, of each connecting block, and a baffle is arranged on the inner wall of one side of the switch equipment box; two sets of symmetrical arrangement's switch door is installed through the hinge to one side outer wall of deposit frame, two sets of smoke transducer who arranges from top to bottom are all installed to the both sides inner wall of switchgear case, the fixed plate is installed to the diapire of deposit frame. The smoke monitoring device has a smoke monitoring function, when equipment fires, the smoke monitoring device can quickly extinguish fire, when the box door is opened, the box door can be automatically opened for illumination, the box door is plugged and locked to increase the locking convenience, the device is internally provided with a detachable shock absorber, and when the shock absorber is damaged, the device can be detached and replaced.
Description
Technical Field
The invention relates to the technical field of switch equipment, in particular to high-protection-level low-voltage complete switch equipment.
Background
The low-voltage switch equipment is power equipment commonly used for power transmission and distribution and electric energy conversion, is commonly used in industries such as power generation, petroleum, chemical industry, metallurgy, tobacco and high-rise buildings, has high operating temperature, and can generate heat and fire in internal devices, so that the switch equipment is required to be matched with monitoring smoke induction and alarm components to quickly remind surrounding personnel to rescue the equipment.
The existing switch device has the following defects:
1. patent document CN112928664A discloses an exchange high-low pressure complete sets of switchgear, "including the cabinet body and cabinet door, the cabinet body and cabinet door are articulated mutually, cabinet body top is equipped with the installing port, and installing port inner wall fixed mounting has the STB, fixed mounting has the baffle on the box inner wall in the top box, and installs first pivot on the baffle, first pivot both sides all are equipped with the second pivot, and two second pivots are all installed on the baffle. The cold air pipe for guiding cold air circularly is arranged in the wall of the cabinet body, the air guide cover capable of guiding hot air out is arranged in the cavity of the cabinet body, the power device for guiding the cold air out of the fan body is of the same driving structure, whether the air circulation of the inner end and the outer end of the cabinet body is adjusted by controlling the lifting of the lifting cylinder, in addition, the lifting control of the lifting cylinder can simultaneously adjust the moving out or the storage of the lighting structure, the overhigh temperature in the cabinet body can be avoided in the device, the service life of the switch equipment is prolonged, the dust at the outer end is prevented from directly entering the cabinet body, the lighting device is arranged in the cabinet body, and the efficient maintenance of personnel is facilitated. However, the device lacks a part for monitoring smoke in real time in the equipment, and surrounding personnel cannot quickly know before the device is overheated and fires, so that the speed of the rescue equipment is low;
2. patent document CN110676702A discloses a high-low voltage electrical appliance switch control complete equipment, which comprises a bearing underframe, a high-voltage control cabinet and a low-voltage control cabinet, wherein the high-voltage control cabinet is installed on one side of the top of the bearing underframe through a fastening bolt, and the other side of the top of the bearing underframe is provided with a low-voltage control cabinet through a fastening bolt, a high-voltage and low-voltage junction box is arranged between the high-voltage control cabinet and the low-voltage control cabinet through a fixing frame, and a ceramic wiring terminal block is arranged on one side in the high-low voltage junction box through a fastening bolt, L-shaped radiating pipes are welded at the bottom parts of the high-voltage control cabinet and the low-voltage control cabinet, an air suction box communicated with the L-shaped radiating pipes is welded among the L-shaped radiating pipes, an exhaust fan is arranged in the air suction box through a mounting frame, a first support frame is welded at the bottom in the high-voltage control cabinet, and a sliding rod is welded on two sides of the top of the first support frame, and a sliding sleeve is sleeved on the periphery of the sliding rod. This application high-low voltage apparatus on-off control complete sets, reasonable in design, easy operation, job stabilization nature is good, is fit for extensively using widely. However, the equipment is not provided with a self-starting lighting component, so that when workers overhaul the inside of the equipment, the overhaul difficulty is increased due to the fact that the light inside the equipment is dark;
3. the patent document CN109274004A discloses a low-voltage switchgear assembly, "including a low-voltage power distribution monitoring system, and a line cabinet, a capacitance compensation cabinet and at least one feeder cabinet arranged in sequence, wherein in the low-voltage power distribution monitoring system, a lower device control layer is installed in a data acquisition isolation room in the feeder cabinet and connected with a lower device to acquire status data of the lower device, and a communication control layer is installed in a communication isolation room in the line cabinet and connected with the lower device control layer and a higher monitoring management layer for data transmission and exchange; and the upper monitoring management layer manages and controls the lower equipment and processes and stores the acquired data. This application low pressure switchgear can accomplish distribution intelligent control, and reduces the low pressure switchgear greatly and is arranging the space that the scene occupy, reduces the project cost. The cabinet door of the equipment in the device is locked by a key, so that the actual operation is troublesome and the locking speed is slow;
4. patent document CN108493826A discloses a high-low voltage switchgear assembly, "comprising an outer casing, a mounting plate and a heat dissipation fan, wherein a maintenance cabinet is arranged on the front surface of the outer casing, the maintenance cabinet is rotatably connected with the outer casing, an instrument cabinet is arranged on the left side of the top end of the maintenance cabinet, the instrument cabinet is detachably connected with the outer casing, a trolley cabinet is arranged below the instrument cabinet, the trolley cabinet is detachably connected with the outer casing, when the high-low voltage switchgear assembly fails, the current in the electrical components can be conducted to a grounding rod through a power transmission column installed in the mounting plate, the electrical shock of maintenance personnel caused by the electrification of the electrical components can be effectively avoided, the potential safety hazard is eliminated, when the dustproof filter bag of the high-low voltage switchgear assembly needs to be replaced, the dustproof filter bag can be slid on a guide rail through a mesh grid, the dustproof filter bag is taken out and replaced, the operation is simple, the replacement is convenient, the maintenance is rapid, the operation is economical and practical, and the convenience is brought to the use of users. However, the vibration generated by the equipment operation in the device cannot be weakened, and the noise of the equipment operation is relatively large.
Disclosure of Invention
The invention aims to provide a high-protection-level low-voltage complete switch device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-protection-level low-voltage complete switch device comprises a switch device box, a comprehensive plate, a connecting block, a storage frame and a baffle plate, wherein the comprehensive plate is arranged at the bottom of the switch device box;
two groups of connecting blocks which are arranged up and down are arranged on the outer walls of the two sides of the switch equipment box, a storage frame is arranged on the outer wall of one side, away from the switch equipment box, of each connecting block, and a baffle is arranged on the inner wall of one side of the switch equipment box;
the utility model discloses a fire extinguisher, including deposit frame, switch box, multiunit, electric putter, connection board, movable plate, fire extinguisher, the switch door of two sets of symmetrical arrangement is installed through the hinge to one side outer wall of deposit frame, two sets of smoke transducer who arranges from top to bottom are all installed to the both sides inner wall of switchgear case, the fixed plate is installed to the diapire of deposit frame, the electric putter that the multiunit was arranged around being is installed to the inner wall of fixed plate, and electric putter and smoke transducer between electric connection, the connection board is installed to electric putter's one end, the fly leaf is installed to one side outer wall of connection board, the fire extinguisher is installed at the top of fly leaf.
Preferably, the bottom of fly leaf and the top laminating of fixed plate, the top of fly leaf is installed and is enclosed the frame, and encloses the inner wall of frame and the outer wall laminating of fire extinguisher, the alarm is installed at the top of switchgear case, and alarm and smoke transducer electric connection, the adjacent one side outer wall of deposit frame and switch door all is provided with the gomphosis groove, the magnetic sheet is installed to the inner wall in gomphosis groove.
Preferably, the light that the multiunit was arranged from top to bottom is all installed to the both sides inner wall of switchgear case, the front of baffle is provided with the notch, lighting switch is installed to one side inner wall of notch, and electric connection between lighting switch and the light, extrusion spring is installed to the back wall of notch, extrusion piece is installed in extrusion spring's front.
Preferably, the front of the switchgear cabinet is provided with a cabinet door, the back of the cabinet door is provided with a pressure support column, the back of the cabinet door is provided with a locking block, and the locking block is positioned above the pressure support column.
Preferably, the front of baffle is provided with square groove, and square groove is located the top of notch, miniature electric stretch rod is installed to one side outer wall of baffle, and the one end of miniature electric stretch rod extends the inside that gets into square groove.
Preferably, the plectane that the multiunit equidistance was arranged is installed to the bottom of combined sheet, the multiunit telescopic link and reset spring are all installed to the bottom of plectane, and reset spring encircles the surface at the telescopic link, the bottom of telescopic link is provided with the thread groove, the screw thread post is installed to the inner wall of thread groove, the multiunit the annular slab, multiunit are all installed to the bottom of screw thread post the base is installed to the bottom of annular slab, the protection folded plate is all installed to four group's corners of switchgear case, and the top laminating of the bottom of protection folded plate and base.
Preferably, two sets of hollowed-out plates which are arranged up and down are installed on the inner wall of the switch equipment box, one set of hollowed-out plates is provided with a low-voltage circuit breaker, the other set of hollowed-out plates is provided with a voltage stabilizer and a transformer, the voltage stabilizer is located above the low-voltage circuit breaker, the transformer is located on one side of the voltage stabilizer, and the front face of the switch equipment box is provided with a ventilation groove dust cover.
Preferably, the box door is provided with a through groove, an observation window is installed on the inner wall of the through groove, and a control plate is installed on the front face of the box door.
Preferably, the working steps of the low-voltage switchgear assembly are as follows:
s1, after the middle box door of the device is closed, the back of the locking block extends into the square groove, one end of the miniature electric extension rod penetrates through the inside of the locking block, meanwhile, the back of the pressing column can generate backward pushing force on the extrusion block, and then the pushing force can be transmitted backward to the position of the extrusion spring to enable the extrusion spring to form a contraction state;
s2, applying external force to the box door by a worker to open the box door, wherein in the process of opening the box door, the back surface of the abutting column gradually breaks away from the extrusion block, then the contraction force applied to the extrusion spring can be cancelled, then the box door can restore to the original shape under the action of self elasticity and repositionability, forward pushing force can be generated on the extrusion block in the process of restoring to the original shape, the edge of the extrusion block can generate extrusion force on the illumination switch at the moment to press the illumination switch, then an illumination lamp electrically connected with the illumination switch can be started, and light can be provided for the worker to overhaul devices in the switch equipment box;
s3, whether smoke is generated in the switch equipment box can be monitored in real time through the smoke sensor in the device, if yes, an alarm electrically connected with the smoke sensor is started to make the alarm give out an alarm sound to remind surrounding pedestrians, and meanwhile, an electric push rod electrically connected with the smoke sensor is started to make the electric push rod extend outwards to make the electric push rod generate a pushing force towards the outside of the storage frame for the connecting plate, then the connecting plate can drive the movable plate and all parts mounted at the top of the movable plate to move towards the outer side of the storage frame, the connecting plate can generate a pushing force for two groups of switch doors in the moving process, and then the pushing force can be transmitted to the positions where the magnetic sheets are located to make the two groups of magnetic sheets separate from each other, and at the moment, the electric push rod extends outwards continuously, so that a fire extinguisher can be adjusted to the outside from the inside of the storage frame;
s4, when the smoke sensor detects smoke, the miniature electric extension rod contracts inwards to enable the miniature electric extension rod to be separated from the locking block;
s5, surrounding personnel can take up the fire extinguisher at the moment, pull the door of the box open and then aim at the area to be ignited in the switchgear box to carry out fire extinguishing operation;
s6, when the device in the switch equipment box runs, a certain vibration force can be generated, a part of the vibration force can be transmitted to the position of the return spring through the switch equipment box and the comprehensive plate, and a part of the vibration can be absorbed through the elastic deformation capacity and the restoring performance of the return spring so as to reduce the resonance generated between the bottom of the switch equipment box and the base.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can monitor the smoke-free generation in the switch equipment box in real time through the smoke sensor, if the smoke-free generation exists in the switch equipment box, the electric push rod, the alarm and the micro electric extension rod which are electrically connected with the smoke sensor are started, wherein the micro electric extension rod is retracted inwards to separate the micro electric extension rod from the locking block, then the box door can be conveniently opened, meanwhile, the alarm can give out alarm sound to remind surrounding pedestrians that the device has fire hazard, the electric push rod can run simultaneously and extend outwards to drive the connecting plate arranged at one end of the electric push rod to move towards the outer side of the storage frame, and in the moving process, the electric push rod can generate pushing force for opening and closing the two groups of doors, then the pushing force can be transmitted to the positions of the magnetic sheets to separate the two groups of magnetic sheets, at the moment, the electric push rod extends outwards continuously, and can reach the surrounding pedestrians around the device, the fire extinguisher placed on the top of the movable plate is moved to the space outside the storage frame, so that the time for taking fire extinguishing equipment can be effectively reduced, and then surrounding personnel can quickly take up the fire extinguisher to perform fire extinguishing operation on the smoking area in the switchgear cabinet, so that the damage degree of the device can be reduced;
2. when a worker opens a box door to overhaul devices in a switchgear box, the resisting pressure transmitted to the extruding spring by the extruding block by the resisting column can be cancelled, then the extruding spring can restore to the original state, forward pushing force can be generated on the extruding block in the restoring process, the edge of the extruding block can generate extruding force on the lighting switch at the moment so as to press the lighting switch, then a lighting lamp electrically connected with the lighting switch can be started, and light can be provided for the worker to overhaul the devices in the switchgear box;
3. after the box door is closed, the locking block arranged on the back of the box door can extend into the square groove, then the circle center between the groove hole formed in the surface of the locking block and the micro electric extension rod is positioned on the same horizontal line, at the moment, the micro electric extension rod is started to enable the micro electric extension rod to extend outwards, one end of the micro electric extension rod can gradually penetrate through the groove hole, then the micro electric extension rod can be used for locking the box door and a switchgear box, and an electric splicing locking mode is adopted to replace key locking, so that the rapidity and convenience for locking the box door can be improved;
4. the reset spring can absorb part of vibration generated by the operation of the switch equipment through the self elastic deformation capability and the reset function, so as to reduce the resonance generated between the bottom of the switch equipment box and the base, and meanwhile, if the reset spring is damaged in the device, the device can apply a rotating force in a set direction to the whole body formed by the circular plate, the telescopic rod and the reset spring, so that the telescopic rod is separated from the threaded column, and then another group of reset springs are replaced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of an installation structure of the storage frame, the fixed plate and the movable plate according to the present invention;
FIG. 4 is a schematic view of the structure of the fixing plate, the electric push rod and the connecting plate according to the present invention;
FIG. 5 is a schematic view of the installation structure of the baffle, the light switch and the pressing spring according to the present invention;
FIG. 6 is a schematic view of an installation structure of the locking block and the micro-electric extension rod according to the present invention;
FIG. 7 is a schematic structural view of the telescopic rod, the thread groove and the thread post of the present invention;
FIG. 8 is a schematic view of the installation structure of the annular plate, the base and the protection flap of the present invention.
In the figure: 1. a switchgear cabinet; 2. a composite board; 3. a joining block; 4. a reserve frame; 5. a baffle plate; 6. opening and closing the door; 7. a smoke sensor; 8. a fixing plate; 9. an electric push rod; 10. a connector tile; 11. a movable plate; 12. a fire extinguisher; 13. enclosing a frame; 14. an alarm; 15. an illuminating lamp; 16. a notch; 17. a light switch; 18. a compression spring; 19. extruding the block; 20. a box door; 21. a pressing column; 22. a locking block; 23. a square groove; 24. a miniature electric extension rod; 25. a circular plate; 26. a telescopic rod; 27. a return spring; 28. a thread groove; 29. a threaded post; 30. an annular plate; 31. a base; 32. a protective folded plate; 33. a hollowed-out plate; 34. a low-voltage circuit breaker; 35. a voltage regulator; 36. a transformer; 37. a dust cover of the ventilation groove; 38. and (4) an observation window.
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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may 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.
Example one
As shown in fig. 1, 3 and 4, a high protection level low voltage switchgear assembly comprises a switchgear cabinet 1, a comprehensive plate 2, a connection block 3, a storage frame 4 and a baffle 5, wherein the comprehensive plate 2 is installed at the bottom of the switchgear cabinet 1;
two groups of connecting blocks 3 which are arranged up and down are arranged on the outer walls of two sides of the switchgear cabinet 1, a storage frame 4 is arranged on the outer wall of one side, away from the switchgear cabinet 1, of each connecting block 3, and a baffle 5 is arranged on the inner wall of one side of the switchgear cabinet 1;
specifically, switchgear case 1 provides comprehensive space of placing for its inside each device, and increases certain protectiveness for this kind of part, and combined sheet 2 is used for linking up multiunit elastic component for it forms a whole, then be convenient for link up with switchgear case 1, link up the contact that piece 3 is used for increasing remaining switchgear case 1 of deposit frame 4, baffle 5 the front can with be the back laminating of the chamber door 20 of closed condition, effectively avoid chamber door 20 to last toward switchgear case 1's inside rotation.
Two sets of symmetrical arrangement's switch door 6 are installed through the hinge to one side outer wall of deposit frame 4, two sets of smoke transducer 7 of arranging from top to bottom are all installed to the both sides inner wall of switchgear case 1, fixed plate 8 is installed to the diapire of deposit frame 4, the electric putter 9 that the multiunit was arranged around installing to the inner wall of fixed plate 8, and electric connection between electric putter 9 and the smoke transducer 7, linkage plate 10 is installed to electric putter 9's one end, fly leaf 11 is installed to one side outer wall of linkage plate 10, fire extinguisher 12 is installed at the top of fly leaf 11.
The bottom of fly leaf 11 and the top laminating of fixed plate 8, the top of fly leaf 11 is installed and is enclosed frame 13, and encloses the inner wall of frame 13 and the outer wall laminating of fire extinguisher 12, and alarm 14 is installed at the top of switchgear case 1, and alarm 14 and smoke transducer 7 electric connection, and the adjacent one side outer wall of deposit frame 4 and switch door 6 all is provided with the gomphosis groove, and the magnetic sheet is installed to the inner wall in gomphosis groove.
Specifically, the switch door 6 and the storage frame 4 can form a whole, when the switch door 6 is closed, the magnetic sheets arranged on the outer wall of one side adjacent to the storage frame 4 can be mutually attracted, the closing tightness of the switch door 6 is improved, the smoke sensor 7 can monitor whether smoke is generated inside the switch equipment box 1 in real time, and the smoke sensor is electrically connected with the alarm 14, the electric push rod 9 and the micro electric extension rod 24, when the smoke sensor 7 monitors that smoke is generated inside the switch equipment box 1, the alarm 14 can give out an alarm sound to remind surrounding pedestrians that the device has fire hazard, meanwhile, the micro electric extension rod 24 is inwards contracted to separate the device from the locking block 22, the electric push rod 9 is outwards extended to drive the connecting plate 10 arranged at one end of the electric push rod to move towards the outer side of the storage frame 4, and in the moving process, will produce the driving force to two sets of switch doors 6, then this driving force can be transmitted to the magnetic sheet place, can make and break away from the contact between two sets of magnetic sheets, electric putter 9 lasts outside extension this moment, because fixed connection between fly leaf 11 and the linkage board 10, and the non-fixed linking between the fixed plate 8, can make linkage board 10 drive fly leaf 11 and follow the removal, fire extinguisher 12 that the fly leaf 11 top was placed simultaneously can synchronous motion to the space outside storage frame 4, then make things convenient for personnel on every side to take up fire extinguisher 12 fast and carry out the operation of putting out a fire to the inside area of smoking of switchgear case 1.
Example two
As shown in fig. 1 and 5, a plurality of groups of vertically arranged illuminating lamps 15 are installed on inner walls of two sides of the switchgear cabinet 1, a notch 16 is formed in the front surface of the baffle 5, an illuminating switch 17 is installed on an inner wall of one side of the notch 16, the illuminating switch 17 is electrically connected with the illuminating lamps 15, an extrusion spring 18 is installed on the rear wall of the notch 16, and an extrusion block 19 is installed on the front surface of the extrusion spring 18.
Specifically, when the light 15 starts, it can send out light to illuminate the surrounding environment, it is convenient for the staff to overhaul the devices inside the switchgear cabinet 1, the setting of the notch 16 is the light switch 17, the installation of the extrusion spring 18 and the extrusion block 19 provides a suitable place, when the light switch 17 is extruded, the light 15 connected with the light switch can be started, and when the extrusion force is cancelled, the light switch 17 can be restored to the original state, the light 15 is in the off state at the moment, the extrusion spring 18 has certain elasticity, when the extrusion spring is extruded, the length of the extrusion block can be shortened, then the extrusion block 19 is driven to move backwards, when the extrusion force is cancelled, when the extrusion spring 18 is restored to the original state, the front of the extrusion block 19 exceeds the position of the light switch 17, at the moment, the extrusion block 19 can generate certain extrusion force for the light switch 17.
The front surface of the switchgear cabinet 1 is provided with a cabinet door 20, and the back surface of the cabinet door 20 is provided with a pressing column 21.
Specifically, the door 20 and the switchgear cabinet 1 may be combined into a whole, and the door 20 and the switchgear cabinet 1 have mobility therebetween, so that when an external force is applied to the door 20, the combination form between the door and the switchgear cabinet 1 may be adjusted, the diameter of the pressing post 21 is smaller than that of the pressing block 19, and the door 20 is in a closed state, and when the pressing post 21 extends into the inside of the notch 16, there is no contact between the outer surface thereof and the lighting switch 17.
EXAMPLE III
As shown in fig. 1, 5 and 6, a locking block 22 is installed on the back surface of the box door 20, the locking block 22 is located above the pressing column 21, a square groove 23 is formed in the front surface of the baffle 5, the square groove 23 is located above the notch 16, a micro electric extension rod 24 is installed on the outer wall of one side of the baffle 5, and one end of the micro electric extension rod 24 extends into the square groove 23.
Specifically, the outer wall of one side of the locking block 22 is provided with a groove hole, when the box door 20 is in a closed state, and the back of the locking block 22 extends into the inside of the square groove 23, the circle center between the groove hole and the micro electric extension rod 24 is on the same horizontal line, at this moment, the micro electric extension rod 24 is started to enable the micro electric extension rod to extend outwards, one end of the micro electric extension rod can gradually penetrate through the inside of the groove hole, and then the micro electric extension rod can be used for locking the box door 20 and the switch equipment box 1.
Example four
As shown in fig. 2, fig. 7 and fig. 8, a plurality of sets of circular plates 25 arranged at equal intervals are installed at the bottom of the integrated plate 2, telescopic rods 26 and return springs 27 are installed at the bottoms of the plurality of sets of circular plates 25, the return springs 27 surround the outer surface of the telescopic rods 26, thread grooves 28 are formed in the bottom of the telescopic rods 26, thread columns 29 are installed on the inner walls of the thread grooves 28, annular plates 30 are installed at the bottoms of the plurality of sets of thread columns 29, bases 31 are installed at the bottoms of the plurality of sets of annular plates 30, protection folded plates 32 are installed at four sets of corners of the switchgear cabinet 1, and the bottoms of the protection folded plates 32 are attached to the tops of the bases 31.
Specifically, the circular plate 25 can be used to integrally mount the telescopic rod 26 and the return spring 27, the telescopic rod 26 can effectively avoid the situation of large dislocation when the return spring 27 contracts under the application of external force, the return spring 27 can absorb part of the vibration generated by the operation of the switch device through the self elastic deformation capability and the self resetting function, so as to reduce the resonance generated between the bottom of the switch device box 1 and the base 31, the thread groove 28 and the thread column 29 are connected through thread embedding, so that the telescopic rod 26 and the annular plate 30 have detachability, if the return spring 27 is damaged, the device can apply a rotating force in a set direction to the whole body composed of the circular plate 25, the telescopic rod 26 and the return spring 27, so as to facilitate the telescopic rod 26 and the thread column 29 to be separated from contact, and then replace another group of return springs 27, the four groups of protection folded plates 32 can be used to limit the switch device box 1, avoiding the phenomenon of displacement after it has been placed on the integration plate 2.
Two sets of fretwork boards 33 that arrange from top to bottom are installed to the inner wall of switchgear case 1, and low voltage circuit breaker 34 is installed at one set of fretwork board 33's top wherein, stabiliser 35 and transformer 36 are installed at the top of another set of fretwork board 33, and stabiliser 35 is located low voltage circuit breaker 34's top, and transformer 36 is located one side of stabiliser 35, and ventilative groove dust cover 37 is installed in switchgear case 1's front.
Specifically, be in the fixed mounting state between fretwork board 33 and the switchgear case 1, it is low voltage circuit breaker 34, stabiliser 35 and transformer 36 provide comparatively stable mounted position, its surface is provided with the ventilative groove of multiunit simultaneously, the circulation of the inside air of switchgear case 1 of can being convenient for, low voltage circuit breaker 34, stabiliser 35 and transformer 36 can make up and other auxiliary component can make up into a set of complete sets of switchgear, ventilative groove dust cover 37 can effectively avoid external rainwater to enter into to switchgear case 1's inside through ventilative groove.
The box door 20 is provided with a through groove, the inner wall of the through groove is provided with an observation window 38, and the front surface of the box door 20 is provided with a control plate.
In particular, the use of the observation window 38 facilitates the observation of the operating conditions of the components inside the switchgear cabinet 1 by the operator.
Specifically, the working steps of the low-voltage switchgear assembly are as follows:
s1, after the middle box door 20 is closed, the back of the locking block 22 extends into the square groove 23, and one end of the micro electric extension rod 24 penetrates through the inside of the locking block 22, and the back of the pressing column 21 generates a backward pushing force on the extrusion block 19, and then the pushing force can be transmitted backward to the position of the extrusion spring 18, so as to enable the extrusion spring 18 to form a contracted state, wherein the micro electric extension rod 24 is electrically connected with the control plate, when a worker needs to overhaul the components inside the switchgear box 1, the worker presses the control key on the control plate to start the micro electric extension rod 24, so as to enable the micro electric extension rod 24 to contract inward, and thus one end of the micro electric extension rod is separated from the inside of the locking block 22;
s2, applying external force to the box door 20 by a worker to open the box door, wherein in the process of opening the box door 20, the back surface of the pressing column 21 gradually breaks away from the contact with the extrusion block 19, then the contraction force applied to the extrusion spring 18 can be cancelled, and then the box door can restore to the original state under the action of self elasticity and restoration property, and can generate forward pushing force to the extrusion block 19 in the process of restoring to the original state, at the moment, the edge of the extrusion block 19 can generate extrusion force to the illumination switch 17 to press the illumination switch 17, then the illumination lamp 15 electrically connected with the illumination switch 17 can be started, and light can be provided for the worker to overhaul devices in the switch device box 1;
s3, whether smoke is generated inside the switch equipment box 1 can be monitored in real time through the smoke sensor 7 in the device, if yes, the alarm 14 electrically connected with the smoke sensor is started to give an alarm to remind surrounding pedestrians, and meanwhile, the electric push rod 9 electrically connected with the smoke sensor 7 is started to enable the electric push rod to extend outwards to generate a pushing force towards the outside of the storage frame 4 to the connecting plate 10, then the connecting plate 10 can drive the movable plate 11 and parts mounted on the top of the movable plate 11 to move towards the outside of the storage frame 4, in the moving process, the connecting plate 10 can generate a pushing force to two groups of switch doors 6, then the pushing force can be transmitted to the positions where the magnetic sheets are located to enable the two groups of magnetic sheets to be separated from contact, at the moment, the electric push rod 9 continuously extends outwards, and the fire extinguisher 12 can be adjusted to the outside from the inside of the storage frame 4;
s4, when the smoke sensor 7 detects smoke, the micro electric extension rod 24 contracts inwards to enable the micro electric extension rod to be separated from the contact between the micro electric extension rod and the locking block 22;
s5, surrounding personnel can pick up fire extinguisher 12 at the moment, pull door 20 open, and then aim at the area to be on fire in switchgear cabinet 1 to carry out fire extinguishing operation;
s6, when the device inside the switchgear box 1 operates, a certain vibration force is generated, and a part of the vibration force can be transmitted downward to the location of the return spring 27 through the switchgear box 1 and the integrated board 2, wherein a part of the vibration can be absorbed through the elastic deformation capability and the restoring capability of the return spring 27 itself, so as to reduce the resonance generated between the bottom of the switchgear box 1 and the base 31.
The working principle is as follows: when the box door 20 is locked in the device, one end of the miniature electric extension rod 24 penetrates through the inside of the locking block 22 to carry out self-locking, so that the convenience and rapidity of locking can be increased, when the box door 20 is opened, the back surface of the pressing column 21 is gradually separated from the pressing block 19, the contraction force applied to the pressing spring 18 can be cancelled, then the box door can restore to the original shape under the action of self elasticity and restoration property, forward pushing force can be generated on the pressing block 19 in the process of restoring to the original shape, the edge of the pressing block 19 can generate pressing force on the lighting switch 17 at the moment to press the lighting switch 17, then the lighting lamp 15 electrically connected with the lighting switch 17 can be started, so that light can be provided for workers to overhaul devices in the switch equipment box 1, wherein whether smoke is generated in the switch equipment box 1 or not can be monitored in real time through the smoke sensor 7, if the smoke is generated, the alarm 14 electrically connected with the lighting switch 17 is started, impel it to send out the alarm sound, start simultaneously with smoke transducer 7 electric connection's electric putter 9, its outside extension can produce the driving force outside storage frame 4 towards linking fishplate bar 10, later linking fishplate bar 10 can drive every part of installation of fly leaf 11 and fly leaf 11 top and move towards the outside of storage frame 4, its removal in-process, linking fishplate bar 10 can produce the driving force to two sets of switch doors 6, then this driving force can be transmitted to the magnetic sheet place, can impel and break away from the contact between two sets of magnetic sheets, electric putter 9 lasts outside extension this moment, can adjust fire extinguisher 12 to outdoor from the inside of storage frame 4, then the personnel of suing and labouring can take up fire extinguisher 12 fast and carry out the operation of putting out a fire.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a high protection level low pressure switchgear, includes switchgear cabinet (1), synthesizes board (2), links up piece (3), deposit frame (4) and baffle (5), its characterized in that: the bottom of the switchgear cabinet (1) is provided with a comprehensive plate (2);
two groups of connecting blocks (3) which are arranged up and down are arranged on the outer walls of the two sides of the switch equipment box (1), a storage frame (4) is arranged on the outer wall of one side, away from the switch equipment box (1), of each connecting block (3), and a baffle (5) is arranged on the inner wall of one side of the switch equipment box (1);
switch door (6) that two sets of symmetrical arrangement were installed through the hinge to one side outer wall of deposit frame (4), smoke transducer (7) of arranging about two sets of are all installed to the both sides inner wall of switchgear case (1), fixed plate (8) are installed to the diapire of deposit frame (4), electric putter (9) that the multiunit was arranged around installing the inner wall of fixed plate (8), and electric connection between electric putter (9) and smoke transducer (7), linkage plate (10) are installed to the one end of electric putter (9), fly leaf (11) are installed to one side outer wall of linkage plate (10), fire extinguisher (12) are installed at the top of fly leaf (11).
2. The high protection level low-voltage switchgear assembly according to claim 1, wherein: the bottom of fly leaf (11) and the top laminating of fixed plate (8), the top of fly leaf (11) is installed and is enclosed frame (13), and encloses the inner wall of frame (13) and the outer wall laminating of fire extinguisher (12), alarm (14) are installed at the top of switchgear case (1), and alarm (14) and smoke transducer (7) electric connection, one side outer wall that deposit frame (4) and switch door (6) are adjacent all is provided with the gomphosis groove, the magnetic sheet is installed to the inner wall in gomphosis groove.
3. The high protection level low-voltage switchgear assembly according to claim 1, wherein: the utility model discloses a switch device box, including switch device box (1), the both sides inner wall of switch device box (1) all installs light (15) that the multiunit arranged from top to bottom, the front of baffle (5) is provided with notch (16), lighting switch (17) are installed to one side inner wall of notch (16), and electric connection between lighting switch (17) and light (15), extrusion spring (18) are installed to the back wall of notch (16), extrusion piece (19) are installed in the front of extrusion spring (18).
4. The high protection level low-voltage switchgear assembly according to claim 1, wherein: the switch device box comprises a switch device box body (1), wherein a box door (20) is installed on the front surface of the switch device box body (1), a pressure supporting column (21) is installed on the back surface of the box door (20), a locking block (22) is installed on the back surface of the box door (20), and the locking block (22) is located above the pressure supporting column (21).
5. The high protection level low-voltage switchgear assembly according to claim 1, wherein: the front of baffle (5) is provided with square groove (23), and square groove (23) are located the top of notch (16), miniature electric stretch rod (24) are installed to one side outer wall of baffle (5), and the inside that gets into square groove (23) is extended to the one end of miniature electric stretch rod (24).
6. The high protection level low-voltage switchgear assembly according to claim 1, wherein: the bottom of combined sheet (2) is installed plectane (25) that the multiunit equidistance was arranged, the multiunit telescopic link (26) and reset spring (27) are all installed to the bottom of plectane (25), and reset spring (27) encircle the surface at telescopic link (26), the bottom of telescopic link (26) is provided with thread groove (28), screw thread post (29), multiunit are installed to the inner wall of thread groove (28) annular slab (30), multiunit are all installed to the bottom of screw thread post (29) base (31) is installed to the bottom of annular slab (30), protection folded plate (32) are all installed to four group's corners of switchgear case (1), and the top laminating of the bottom of protection folded plate (32) and base (31).
7. The high protection level low-voltage switchgear assembly according to claim 1, wherein: two sets of hollowed-out plates (33) which are arranged up and down are installed on the inner wall of the switch equipment box (1), one set of hollowed-out plates is a group, a low-voltage circuit breaker (34) is installed at the top of each hollowed-out plate (33), a voltage stabilizer (35) and a transformer (36) are installed at the top of each hollowed-out plate (33), the voltage stabilizer (35) is located above the low-voltage circuit breaker (34), the transformer (36) is located on one side of the voltage stabilizer (35), and a ventilation groove dust cover (37) is installed on the front face of the switch equipment box (1).
8. The high protection level low-voltage switchgear assembly according to claim 4, wherein: the refrigerator door is characterized in that a through groove is formed in the refrigerator door (20), an observation window (38) is installed on the inner wall of the through groove, and a control plate is installed on the front face of the refrigerator door (20).
9. A high protection class low voltage switchgear according to any of claims 1-8, characterized in that the low voltage switchgear is operated by the following steps:
s1, after a box door (20) in the device is closed, the back of a locking block (22) extends into the square groove (23), one end of a micro electric extension rod (24) penetrates through the locking block (22), meanwhile, the back of a pressing column (21) generates backward pushing force on an extrusion block (19), and then the pushing force can be transmitted backward to the position of an extrusion spring (18) to enable the extrusion spring (18) to form a contraction state, wherein the micro electric extension rod (24) is electrically connected with a control plate, when a worker needs to overhaul parts in a switching equipment box (1), the worker presses a control key on the control plate to start the micro electric extension rod (24) to enable the micro electric extension rod to contract inwards, so that one end of the micro electric extension rod is separated from the inside of the locking block (22);
s2, a worker applies an external force to the box door (20) to open the box door, in the process of opening the box door (20), the back surface of the pressing column (21) is gradually separated from the pressing block (19) to be contacted, then the contraction force borne by the pressing spring (18) can be cancelled, then the box door can restore to the original shape under the action of self elasticity and restoration performance, in the process of restoring to the original shape, forward pushing force can be generated on the pressing block (19), at the moment, the edge of the pressing block (19) can generate pressing force on the lighting switch (17) to press the lighting switch (17), then the lighting lamp (15) electrically connected with the lighting switch (17) can be started, and light can be provided for the worker to overhaul devices in the switch equipment box (1);
s3, whether smoke is generated inside the switch equipment box (1) can be monitored in real time through the smoke sensor (7) in the device, if yes, the alarm (14) electrically connected with the smoke sensor is started to make the alarm give out an alarm to remind surrounding pedestrians, meanwhile, the electric push rod (9) electrically connected with the smoke sensor (7) is started to make the electric push rod extend outwards to make the connecting plate (10) generate a pushing force towards the outside of the storage frame (4), then the connecting plate (10) can drive the movable plate (11) and parts arranged on the top of the movable plate (11) to move towards the outside of the storage frame (4), in the moving process, the connecting plate (10) can generate a pushing force to the two groups of switch doors (6), then the pushing force can be transmitted to the positions where the magnetic sheets are located to make the two groups of magnetic sheets separate from contact, at the moment, the electric push rod (9) continuously extends outwards, the fire extinguisher (12) can be adjusted from the inside of the reserve frame (4) to the outside;
s4, when the smoke sensor (7) detects smoke, the micro electric extension rod (24) contracts inwards to enable the micro electric extension rod to be separated from the locking block (22);
s5, surrounding personnel can pick up the fire extinguisher (12) at the moment, pull the door (20) open and then aim at the area to be ignited in the switchgear cabinet (1) to carry out fire extinguishing operation;
s6, when the internal device of the switch equipment box (1) runs, a certain vibration force can be generated, a part of the vibration force can be transmitted to the position of the return spring (27) through the switch equipment box (1) and the comprehensive plate (2), and a part of vibration can be absorbed through the self elastic deformation capability and the self resetting function of the return spring (27) so as to reduce the resonance generated between the bottom of the switch equipment box (1) and the base (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369208.7A CN114039290A (en) | 2021-11-18 | 2021-11-18 | High protection level low pressure switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369208.7A CN114039290A (en) | 2021-11-18 | 2021-11-18 | High protection level low pressure switchgear |
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| CN114039290A true CN114039290A (en) | 2022-02-11 |
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| CN202111369208.7A Pending CN114039290A (en) | 2021-11-18 | 2021-11-18 | High protection level low pressure switchgear |
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Application publication date: 20220211 |