A kind of explosion-proof type power distribution cabinet that the security performance based on Internet of Things is high
Technical field
The present invention relates to field of intelligent electrical equipment, more particularly to the high explosion-proof type of a kind of security performance based on Internet of Things
Power distribution cabinet.
Background technology
Power distribution cabinet sub-power power distribution cabinet and light distribution cabinet metering cabinet, are the final stage devices of distribution system, and power distribution cabinet is electricity
The general designation of motivation control centre, power distribution cabinet are used in the occasion that load is more dispersed, circuit is less;Motor control center is used for
The occasion that load is concentrated, circuit is more, the electric energy of a certain circuit of upper level controller switching equipment is distributed to load nearby by they, this
Grade equipment reply load provides protection, monitoring and control.
In use, the lockset of cabinet door is all easier to be opened existing power distribution cabinet, and the power distribution cabinet of operation is easily to people
Security threat is caused, personal safety is unfavorable for, moreover, existing power distribution cabinet is in the explosive environments such as gas station, mining site
When operation, without explosive-proof test system, safe class is not high.
Invention content
The technical problem to be solved by the present invention is to:For overcome the deficiencies in the prior art, it provides a kind of based on Internet of Things
The high explosion-proof type power distribution cabinet of security performance.
The technical solution adopted by the present invention to solve the technical problems is:A kind of security performance based on Internet of Things is high to prevent
Quick-fried type power distribution cabinet, including cabinet, door-plate, coded lock and at least two operation buttons, the cabinet are set on door-plate, the door
The side of plate is hinged with cabinet, and the coded lock and operation button are arranged on door-plate, and control mechanism, institute are equipped in the door-plate
It states and is equipped with anti-explosion mechanism in cabinet;
The control mechanism includes Power Component and two control assemblies, and the Power Component includes cylinder, piston and pushes away
Block, the cylinder are fixed on the inner wall of door-plate, and the cylinder is set in one end of piston, the other end and pushing block of the piston
It is fixedly connected, two control assemblies are separately positioned on the both sides of pushing block;
The control assembly includes control unit and auxiliary unit, described control unit include slide bar, connecting rod, elevating lever,
One end of supporting block, connecting rod, opening and groove, the slide bar is fixed on the inner wall of separate cylinder of door-plate, the pushing block
It is set on slide bar, the pushing block is hinged by connecting rod and elevating lever, and the supporting block is set on elevating lever, the supporting block
It is fixed on the inner wall of door-plate, the axis of the connecting rod is vertical with the axis of slide bar, and the door-plate is set in connecting rod, institute
It states opening to be arranged in one end of the close cylinder of connecting rod, the opening is set in one end of the separate connecting rod of elevating lever, described
Groove is arranged on the cabinet, and the groove is coaxially disposed with connecting rod, and the auxiliary unit is arranged in opening;
The anti-explosion mechanism includes proof assembl and vacuum elements, the proof assembl include flame-proof switch, explosion-proof electrical source,
Electromagnet, magnetic block, explosion-proof bar, two springs and two polished rods, the explosion-proof electrical source are fixed on the inner wall of cabinet, the electricity
Magnet is fixed on the top in cabinet, and the magnetic block is fixedly connected with the top of explosion-proof bar, the bottom end of the explosion-proof bar with it is anti-
Voltage flame proof switch is hinged, and two polished rods are separately positioned on the both sides of explosion-proof bar, and the polished rod is corresponded with spring, the top of the polished rod
End is fixedly connected with electromagnet, and the magnetic block is set on polished rod, and the lower section of the electromagnet passes through spring and magnetic block
Top connects, and the spring is set on polished rod, and the vacuum elements are arranged in the side of the separate flame-proof switch of magnetic block;
PLC is equipped in the cabinet, the coded lock, cylinder and electromagnet are electrically connected with PLC.
Preferably, open door-plate when in order to realize repair, the accessory part include stand-by motor, driving bevel gear,
Expansion bracket, strut, two sliding blocks and two mobile units, the stand-by motor are fixed on the inner wall of separate cylinder of opening,
The stand-by motor and driving bevel gear are sequentially connected, the both ends of the close cylinder side of the expansion bracket respectively with two sliding blocks
Hinged, the sliding block is set on strut, and the strut is fixed on one end of the separate cylinder of elevating lever, the expansion bracket it is remote
Both ends from cylinder side are connect by two mobile units with driving bevel gear respectively, and the stand-by motor is electrically connected with PLC.
Preferably, in order to drive expansion bracket flexible, the mobile unit include fixed block, lead screw, driven wheel of differential and
One end of movable block, the fixed block is set on lead screw, and the fixed block is fixed on the inner wall of opening, described from mantle tooth
Wheel is set on the other end of lead screw, and the movable block is set on lead screw, and the movable block is equipped with the junction of lead screw
With the matched screw thread of lead screw, the driving bevel gear is engaged with driven wheel of differential, in two mobile units, the expansion bracket it is remote
Both ends from cylinder side are hinged with two movable blocks respectively.
Preferably, in order to avoid expansion bracket damages, touch sensor, the contact-sensing are equipped in the opening
Device is between fixed block and elevating lever.
Preferably, in order to realize that the function of pumping, the vacuum elements include that gear unit, sealing unit and pumping are single
Member, the gear unit include swingle, shaft, pulling block, guide rod, connecting line, roller, roller bearing and holder, and the swingle supports
The top of magnetic block is leaned against, one end of the separate magnetic block of the swingle is set in shaft, and the shaft is fixed on cabinet
Inner wall on, the pulling block is arranged in the top of swingle, and the pulling block is set on guide rod, and the both ends of the guide rod are solid respectively
It is scheduled on top and bottom end in cabinet, the roller is set on roller bearing, and the separate swingle in pulling block is arranged in the roller
One end of side, the holder is set on roller bearing, and the holder is fixedly connected with the top in cabinet, and the one of the connecting line
End is fixedly connected with the side of the close roller of pulling block, and the other end of the connecting line is wrapped on roller, the sealing unit
The bottom being arranged in cabinet, the pumping cells are arranged in the side of the separate pulling block of roller.
Preferably, in order to avoid pulling block can not freely falling body, the shaft is located at rotation with the junction of swingle
The side of the close pulling block at bar center, the gravity suffered by the swingle are more than the weight of pulling block.
Preferably, in order to achieve the effect that pumping, the pumping cells include pumping bevel gear, rotating bevel gear, pumping
Gas bar, pumping block and flabellum, the pumping bevel gear be set on one end of separate holder of roller bearing, the pumping bevel gear and
Rotating bevel gear engages, and the rotating bevel gear is set on the top of air exhaust rod, and the flabellum is set in the bottom end of air exhaust rod
On, the pumping block is set on air exhaust rod, and the pumping block is fixed on the inner wall of cabinet.
Preferably, in order to realize that the effect of sealing, the sealing unit include sealing hole, sealing bar, half round block and company
Block is connect, the sealing hole is arranged in the side of the close flame-proof switch of cabinet, and the link block is set in sealing bar, the company
The bottom that block is fixed in cabinet is connect, for the sealing bar between sealing hole and guide rod, half round block is fixed on sealing bar
Separate sealing hole one end.
Preferably, in order to avoid pushing block and slide bar fall off, one end of the close cylinder of the slide bar is equipped with limited block, institute
Limited block is stated to be fixedly connected with one end of slide bar.
Preferably, in order to improve safety, pressure sensor is equipped in the groove, the flame-proof switch is equipped with inspection
Device is surveyed, the pressure sensor and detector are electrically connected with PLC.
The invention has the advantages that being somebody's turn to do the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things passes through control mechanism
It realizes that power distribution cabinet closes door-plate at runtime, improves safety, compared with existing control mechanism, which can divide
Normal operating condition and service mode are not acted on, and practicability higher moreover also reduces explosion system by anti-explosion mechanism
Number, realizes explosion-proof effect, and compared with existing anti-explosion mechanism, which is not necessarily to use electric drive, and safety coefficient is more
It is high.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention;
Fig. 2 is the structural representation of the control mechanism of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
Fig. 3 is the structural representation of the control assembly of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
Fig. 4 is the structural schematic diagram of the cabinet of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention;
Fig. 5 is the structural representation of the proof assembl of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
Fig. 6 is the structural representation of the accessory part of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
Fig. 7 is the structural representation of the vacuum elements of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
Fig. 8 is the structural representation of the pumping cells of the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things of the present invention
Figure;
In figure:1. cabinet, 2. door-plates, 3. coded locks, 4. operation buttons, 5 cylinders, 6. pistons, 7 pushing blocks, 8. slide bars, 9. connect
Bar, 10. elevating levers, 11. supporting blocks, 12. connecting rods, 13. openings, 14. grooves, 15. flame-proof switches, 16. explosion-proof electrical sources, 17.
Electromagnet, 18. magnetic blocks, 19. explosion-proof bars, 20. springs, 21. polished rods, 22. stand-by motors, 23. driving bevel gears, 24. is flexible
Frame, 25. struts, 26. sliding blocks, 27. fixed blocks, 28. lead screws, 29. driven wheel of differential, 30. movable blocks, 31. touch sensors,
32. swingle, 33. shafts, 34. pulling blocks, 35. guide rods, 36. connecting lines, 37. rollers, 38. roller bearings, 39. holders, 40. pumping cones
Gear, 41. rotating bevel gears, 42. air exhaust rods, 43. pumping blocks, 44. flabellums, 45. sealing holes, 46. sealing bars, 47. half round blocks,
48. link block, 49. limited blocks, 50. pressure sensors, 51. detectors.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of explosion-proof type power distribution cabinet that the security performance based on Internet of Things is high, including it is cabinet 1, door-plate 2, close
Code lock 3 and at least two operation buttons 4, the cabinet 1 are set on door-plate 2, and the side of the door-plate 2 and cabinet 1 are hinged, institute
It states coded lock 3 and operation button 4 is arranged on door-plate 2, control mechanism is equipped in the door-plate 2, is equipped in the cabinet 1 explosion-proof
Mechanism;
The power distribution cabinet by operation button 4 realize control power distribution cabinet operation, by coded lock 3 allow maintenance personal with
The operating condition that power distribution cabinet is observed in the state of electric cabinet operation realizes that power distribution cabinet closes door-plate 2 at runtime by control mechanism,
Safety is improved, explosion coefficient is also reduced by anti-explosion mechanism, realizes explosion-proof effect.
As shown in Fig. 2, the control mechanism includes Power Component and two control assemblies, the Power Component includes cylinder
5 pistons 6 and pushing block 7, the cylinder 5 are fixed on the inner wall of door-plate 2, and the cylinder 5 is set in one end of piston 6, the work
The other end of plug 6 is fixedly connected with pushing block 7, and two control assemblies are separately positioned on the both sides of pushing block 7;
Piston 6 is pushed by the operation of cylinder 5, makes piston 6 that pushing block 7 be driven to move, to make pushing block 7 drive control assembly
Operation, realizes the effect of drive control assembly operating.
As shown in figure 3, the control assembly includes control unit and auxiliary unit, described control unit includes slide bar 8, connects
Bar 9, elevating lever 10, supporting block 11, connecting rod 12, opening 13 and groove 14, one end of the slide bar 8 are fixed on the remote of door-plate 2
On inner wall from cylinder 5, the pushing block 7 is set on slide bar 8, and the pushing block 7 is hinged by connecting rod 9 and elevating lever 10, described
Supporting block 11 is set on elevating lever 10, and the supporting block 11 is fixed on the inner wall of door-plate 2, the axis of the connecting rod 12 with
The axis of slide bar 8 is vertical, and the door-plate 2 is set in connecting rod 12, and the close cylinder 5 in connecting rod 12 is arranged in the opening 13
One end, it is described opening 13 be set in elevating lever 10 separate connecting rod 9 one end, the groove 14 setting on cabinet 1, it is described
Groove 14 is coaxially disposed with connecting rod 12, and the auxiliary unit setting is in opening 13;
Piston 6 drives pushing block 7 to be moved on slide bar 8, to make pushing block 7 drive elevating lever 10 to move by connecting rod 9, passes through
Auxiliary unit drives connecting rod 12 to move, and to make connecting rod 12 be moved in groove 14, realizes the position of door-plate 2 and cabinet 1
Holding is relatively fixed, and realizes the function of closing door-plate 2.
As illustrated in figures 4-5, the anti-explosion mechanism includes proof assembl and vacuum elements, and the proof assembl includes Anti-breakage
Close 15, explosion-proof electrical source 16, electromagnet 17, magnetic block 18,19, two springs 20 of explosion-proof bar and two polished rods 21, the anti-explosion electric
Source 16 is fixed on the inner wall of cabinet 1, and the electromagnet 17 is fixed on the top in cabinet 1, the magnetic block 18 and explosion-proof bar
19 top is fixedly connected, and the bottom end of the explosion-proof bar 19 is hinged with flame-proof switch 15, and two polished rods 21 are separately positioned on explosion-proof
The both sides of bar 19, the polished rod 21 are corresponded with spring 20, and the top of the polished rod 21 is fixedly connected with electromagnet 17, described
Magnetic block 18 is set on polished rod 21, and the lower section of the electromagnet 17 is connect by spring 20 with the top of magnetic block 18, described
Spring 20 is set on polished rod 21, and the vacuum elements are arranged in the side of the separate flame-proof switch 15 of magnetic block 18;
So that electromagnet 17 is powered by explosion-proof electrical source 16, magnetic block 18 is driven to be moved to close to 17 direction of electromagnet, to
Magnetic block 18 is set to keep flame-proof switch 15 in operating status by explosion-proof bar 19, when the explosion hazard gases in cabinet 1 reaches certain dense
When spending, explosion-proof electrical source 16 stop give electromagnet 17 power, make magnetic block 18 the elastic force of its own gravity and spring 20 effect under to
Lower movement, makes flame-proof switch 15 be closed, and the effect of driving vacuum elements operation is realized in driving vacuum elements operation.
PLC is equipped in the cabinet 1, the coded lock 3, cylinder 5 and electromagnet 17 are electrically connected with PLC.
PLC makes coded lock 3, cylinder 5 and electromagnet 17 run according to signal, driving auxiliary unit, piston 6 and magnetic block
18 operations, reach intelligent effect.
As shown in fig. 6, the accessory part includes stand-by motor 22, driving bevel gear 23, expansion bracket 24, strut 25, two
A sliding block 26 and two mobile units, the stand-by motor 22 are fixed on the inner wall of the separate cylinder 5 of opening 13, the auxiliary
Motor 22 and driving bevel gear 23 are sequentially connected, the both ends of 5 side of close cylinder of the expansion bracket 24 respectively with two sliding blocks
26 is hinged, and the sliding block 26 is set on strut 25, and the strut 25 is fixed on one end of the separate cylinder 5 of elevating lever 10, institute
The both ends for stating 5 side of separate cylinder of expansion bracket 24 are connect by two mobile units with driving bevel gear 23 respectively, described auxiliary
Motor 22 is helped to be electrically connected with PLC, stand-by motor 22 rotates, and driving bevel gear 23 is driven to rotate, and is driven by mobile unit flexible
Frame 24 is flexible, and connecting rod 12 is driven to realize the function of lifting.
Preferably, in order to drive expansion bracket 24 flexible, the mobile unit includes fixed block 27, lead screw 28, from mantle
One end of gear 29 and movable block 30, the fixed block 27 is set on lead screw 28, and the fixed block 27 is fixed on opening 13
On inner wall, the driven wheel of differential 29 is set on the other end of lead screw 28, and the movable block 30 is set on lead screw 28, described
Movable block 30 be equipped with the junction of lead screw 28 and 28 matched screw thread of lead screw, the driving bevel gear 23 and driven wheel of differential
29 engage, and in two mobile units, the both ends of 5 side of separate cylinder of the expansion bracket 24 are cut with scissors with two movable blocks 30 respectively
It connects, the rotation of driving bevel gear 23 drives driven wheel of differential 29 to rotate, and to drive lead screw 28 to rotate, makes movable block 30 in lead screw
It is moved on 28, makes the both ends of 10 side of separate elevating lever of expansion bracket 24 closer or far from movement, to keep expansion bracket 24 flexible,
It drives connecting rod 12 to lift, has achieved the effect that connecting rod 12 lifts, when power distribution cabinet is run, door-plate 2 is closed, and maintenance personal can
To send out signal to PLC by coded lock 3, PLC controls stand-by motor 22 and runs, and so that door-plate 2 is beaten by the lifting of connecting rod 12
It opens, it is easy to repair.
Preferably, in order to avoid expansion bracket 24 damages, touch sensor 31, the contact are equipped in the opening 13
Formula sensor 31 is between fixed block 27 and elevating lever 10, when expansion bracket 24 drives touch sensor 31 to be connect with elevating lever 10
When touching, touch sensor 31 sends out signal to PLC, and PLC control stand-by motors 22 stop operating, and expansion bracket 24 is avoided excessively to stretch
It contracts and damages.
As shown in fig. 7, the vacuum elements include gear unit, sealing unit and pumping cells, the gear unit packet
Swingle 32, shaft 33, pulling block 34, guide rod 35, connecting line 36, roller 37, roller bearing 38 and holder 39 are included, the swingle 32 supports
The top of magnetic block 18 is leaned against, one end of the separate magnetic block 18 of the swingle 32 is set in shaft 33, the shaft 33
It being fixed on the inner wall of cabinet 1, the pulling block 34 is arranged in the top of swingle 32, and the pulling block 34 is set on guide rod 35,
The both ends of the guide rod 35 are separately fixed at top and bottom end in cabinet 1, and the roller 37 is set on roller bearing 38, the rolling
Cylinder 37 is arranged in the side of the separate swingle 32 of pulling block 34, and one end of the holder 39 is set on roller bearing 38, the holder
39 are fixedly connected with the top in cabinet 1, and the side of one end of the connecting line 36 and the close roller 37 of pulling block 34, which is fixed, to be connected
It connects, the other end of the connecting line 36 is wrapped on roller 37, and the bottom in cabinet 1, the pumping is arranged in the sealing unit
Gas unit is arranged in the side of the separate pulling block 34 of roller 37, and the decline of magnetic block 18 makes swingle 32 turn for the center of circle with shaft 33
It is dynamic, to make 34 downward freely falling body of pulling block, so that roller 37 is rotated by connecting line 36, drives pumping cells operation, realize and drive
The effect of dynamic pumping cells operation.
Preferably, in order to avoid pulling block 34 can not freely falling body, the shaft 33 with the junction of swingle 32 position
In the side of the close pulling block 34 at 32 center of swingle, gravity suffered by the swingle 32 is more than the weight of pulling block 34, when turning
When the side of the separate pulling block 34 for being located at 32 center of swingle with the junction of swingle 32 of axis 33, magnetic block 18 cannot achieve
Supporting role to swingle 32, when the gravity suffered by the swingle 32 is less than the weight of pulling block 34, swingle 32 can not drive
Pulling block 34 rotates, and 34 freely falling body of pulling block is caused to fail.
As shown in figure 8, the pumping cells include pumping bevel gear 40, rotating bevel gear 41, air exhaust rod 42, pumping block 43
With flabellum 44, the pumping bevel gear 40 is set on one end of separate holder 39 of roller bearing 38, the pumping bevel gear 40 with
Rotating bevel gear 41 engages, and the rotating bevel gear 41 is set on the top of air exhaust rod 42, and the flabellum 44 is set in pumping
On the bottom end of bar 42, the pumping block 43 is set on air exhaust rod 42, and the pumping block 43 is fixed on the inner wall of cabinet 1, rolling
The rotation of cylinder 37 drives roller bearing 38 to rotate, and to make pumping bevel gear 40 rotate, drives rotating bevel gear 41 to rotate, to make pumping
Gas bar 42 rotates under the supporting role of pumping block 43, and flabellum 44 is driven to rotate, and generates air-flow, realizes what drive gas flow was moved
Effect.
Preferably, in order to realize that the effect of sealing, the sealing unit include sealing hole 45, sealing bar 46, half round block
47 and link block 48, the sealing hole 45 be arranged in the side of the close flame-proof switch 15 of cabinet 1, the link block 48 is set in
In sealing bar 46, the link block 48 is fixed on the bottom in cabinet 1, the sealing bar 46 be located at sealing hole 45 and guide rod 35 it
Between, half round block 47 is fixed on one end of the separate sealing hole 45 of sealing bar 46, when in pulling block 34 freely falling body to cabinet 1
When bottom end, so that sealing bar 46 is obtained the thrust to 45 direction of sealing hole by half round block 47, push sealing bar 46 to sealing hole 45
Direction is moved, and so that sealing hole 45 is blocked, is realized the effect of sealing.
Preferably, in order to avoid pushing block 7 and slide bar 8 fall off, one end of the close cylinder 5 of the slide bar 8 is equipped with limit
Block 49, the limited block 49 are fixedly connected with one end of slide bar 8.
Preferably, in order to improve safety, it is equipped with pressure sensor 50 in the groove 14, on the flame-proof switch 15
Equipped with detector 51, the pressure sensor 50 and detector 51 are electrically connected with PLC, when 12 squeeze pressure sensor of connecting rod
After 50, when the pressure that pressure sensor 50 is subject to being made to reach setting value, pressure sensor 50 sends out signal to PLC, and PLC controls gas
Cylinder 5 is out of service, when detector 51 detects that the explosion hazard gases in cabinet 1 reaches a certain concentration, 51 trigger signal of detector
It controls electromagnet 17 to PLC, PLC and powers off.
The power distribution cabinet realizes that power distribution cabinet closes door-plate 2 at runtime by control mechanism, improves safety, also by anti-
Quick-fried mechanism reduces explosion coefficient, realizes explosion-proof effect.
Compared with prior art, the high explosion-proof type power distribution cabinet of the security performance based on Internet of Things is somebody's turn to do to realize by control mechanism
Power distribution cabinet closes door-plate 2 at runtime, improves safety, and compared with existing control mechanism, which can distinguish
Normal operating condition and service mode are acted on, practicability higher moreover also reduces explosion system by anti-explosion mechanism
Number, realizes explosion-proof effect, and compared with existing anti-explosion mechanism, which is not necessarily to use electric drive, and safety coefficient is more
It is high.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.