CN114825064A - Safety protection electric power cabinet - Google Patents

Abstract

The application relates to a safety protection electric power cabinet, which comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, heat dissipation holes are formed in the upper end of the cabinet body, a protective net is fixedly arranged at the upper end of the cabinet body, a ventilation assembly is arranged on the outer side of the cabinet body, and the ventilation assembly is used for introducing air flow into the cabinet body so as to facilitate heat dissipation; the internal membrane cloth that is provided with of cabinet covers the subassembly, and membrane cloth covers the subassembly and includes: the vertical blocking component is arranged at the top in the cabinet body and can block the upper and lower gaps of the cabinet body when being unfolded; the side blocks the part, is provided with two sets ofly, and the setting of one-to-one can block the cabinet body both sides gap when expanding in the internal portion both sides of cabinet. This application can cover the shutoff to the gap between cabinet door and the cabinet body, avoids dust impurity to enter into the cabinet internal, plays the effect of protection to distributor and circuit etc. therefore guaranteed the security of switch board in the use.

Description

Safety protection electric power cabinet

Technical Field

The application relates to the technical field of electric power distribution facilities, especially, relate to a safety protection electric power cabinet.

Background

The power cabinet is also called a power distribution cabinet, and a power distribution cabinet (box), a lighting power distribution cabinet (box) and a metering cabinet (box) are power distribution system final-stage equipment. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

There are more distributor and wiring end in the switch board, can produce great heat, consequently, set up more thermovent in the switch board outside, but the environment of workshop is comparatively abominable a bit, can produce more dust and greasy dirt, the greasy dirt mixes with the dust and enters into in the switch board from the thermovent together, the greasy dirt dust can fall on distributor and wiring port department, the heat dissipation that both influenced the switch board also can lead to the distributor, circuit and wiring department are ageing, damage easily and lead to various problems to appear in the circuit, for example short circuit and electric leakage etc., there is great potential safety hazard.

Disclosure of Invention

In order to guarantee the security of switch board in the use, this application provides a safety protection electric power cabinet.

The application provides a safety protection electric power cabinet adopts following technical scheme:

a safety protection electric power cabinet comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, heat dissipation holes are formed in the upper end of the cabinet body, a protective net is fixedly arranged at the upper end of the cabinet body, a ventilation assembly is arranged on the outer side of the cabinet body and used for introducing air flow into the cabinet body, and heat dissipation is facilitated;

the internal membrane cloth that is provided with of cabinet covers the subassembly, membrane cloth covers the subassembly and includes:

the vertical blocking component is arranged at the top in the cabinet body and can block the upper and lower gaps of the cabinet body when being unfolded;

the side blocking parts are arranged in two groups, and the one-to-one correspondence is arranged on two sides of the inner portion of the cabinet body, and the gaps on two sides of the cabinet body can be blocked when the cabinet body is unfolded.

Based on above-mentioned design, the internal perpendicular fender part of blocking and the side of cabinet seals the fender part and can cover the shutoff to the gap between cabinet door and the cabinet body, avoids dust impurity to enter into the cabinet internal, plays the effect of protection to distributor and circuit etc. therefore has guaranteed the security of switch board in the use.

Preferably, the vertical sealing part comprises a winding roller rotatably arranged in the cabinet body and a first film cloth wound on the winding roller, and the cabinet body is provided with a driving part for driving the winding roller to rotate;

the cabinet internal fixation is provided with first cover case, it sets up to roll up the roller rotation first cover incasement, set up first unreeling the groove on the first cover case, the end of first membrane cloth passes first unreeling groove and rigid coupling have splint, the width of splint is greater than the first width of unreeling the groove.

Based on above-mentioned design, the drive division operation can drive the winding roller and rotate for first membrane cloth expandes or accomodates, and first cover case and first setting of unreeling the groove can guarantee the smooth expansion of first membrane cloth and accomodate, avoid the dislocation.

Preferably, the both sides of first membrane cloth all are provided with magnetism and inhale the portion, magnetism is inhaled the portion and is had magnetic attraction, first membrane cloth adsorbable in when expanding the cabinet door is inboard.

Based on above-mentioned design, when first membrane cloth expandes, the portion of inhaling can adsorb the laminating with the cabinet door looks absorption, does not leave great clearance between first membrane cloth and the cabinet door, consequently can play better guard action.

Preferably, the side seals and keeps off the part including rotating the setting and is in the internal side winding up roller of cabinet, around establishing the second membrane cloth on the side winding up roller, the terminal rigid coupling of second membrane cloth has the connecting strip, the fixed magnetic stripe that is provided with on the connecting strip when second membrane cloth expandes, the magnetic stripe be used for with the connection is inhaled to magnetism of portion.

Based on above-mentioned design, can play the effect of shutoff to the gap of cabinet body both sides when the side winding up roller expandes to under the expansion state, second membrane cloth laminates with first membrane cloth mutually, reduces the gap between membrane cloth and cabinet door, the cabinet body, makes shutoff protective effect better.

Preferably, a second cover box is fixedly arranged in the cabinet body, a second unwinding groove is formed in the side wall of the second cover box, and the second unwinding groove is used for moving, unfolding or containing second film cloth and can limit the connecting strip;

the cabinet is internally provided with a driving assembly for driving the second membrane cloth to be unfolded or stored, and the driving assembly is used for being connected and matched with the connecting strip.

Preferably, the drive assembly includes the electric cylinder with cabinet body rigid coupling, the actuating lever of being connected with the electric cylinder piston rod, the one end and the cylinder piston rod of actuating lever are articulated, and the other end is articulated with the connecting rod, electric cylinder is two-way cylinder.

Based on above-mentioned design, start electric cylinder, electric cylinder drives the piston rod and removes, and the actuating lever can be pull to the piston rod removal in-process, and the actuating lever drives the connecting strip and removes, can make the side-rolling roller unreel, and the second membrane cloth expandes to adsorb mutually with first membrane cloth, can play the guard action to cabinet internal portion automatically.

Preferably, an arc-shaped guide rail is fixedly arranged at the position of a corner in the cabinet body, a guide wheel is arranged at the end part of the connecting strip, the guide wheel is matched with the guide rail in a clamping manner, a guide strip is fixedly arranged on the upper side or the lower side of the second film cloth, the guide strip is clamped with the arc-shaped guide rail, and the guide strip is made of a flexible deformable material, so that the second film cloth deforms under the limiting action of the arc-shaped guide rail and corresponds to the corner in the cabinet body;

and a torsion spring is wound on the rotating shaft of the winding roller, so that the second film cloth is convenient to reset.

Based on above-mentioned design, the setting of arc guide rail plays the spacing effect of guide to second membrane cloth, makes second membrane cloth remove and deformation according to certain orbit when expanding for second membrane cloth and the more laminating of the internal side of cabinet, in order can not take place the dead phenomenon of card when withdrawing second membrane cloth, the torsional spring conveniently withdraws second membrane cloth.

Preferably, the cabinet body is also internally provided with two groups of clamping components which are respectively arranged at two sides of the width direction of the first film cloth, each clamping component comprises a bracket sliding along the vertical direction of the cabinet body, a moving seat fixedly connected with the bracket and a clamping piece connected with the moving seat, and the clamping pieces are used for being clamped with two sides of the first film cloth;

the clamping piece is rotatably connected with the moving seat, a hinge is arranged on the moving seat, the clamping piece is rotatably sleeved on the outer side of the hinge, a tilting plate is fixedly connected to the clamping piece, a avoiding groove for the tilting plate to move is formed in the moving seat, two air nozzles are arranged on the moving seat, the air nozzles are located in the avoiding groove, and an air outlet faces the tilting plate;

two one of them setting of air nozzle is in one side of wane rotation center line, another the air nozzle sets up the opposite side at wane rotation center line, the air nozzle is worked in turn, two sets of promptly clamping component can drive first membrane cloth to being close to or keeping away from the one side skew of cabinet door.

Based on above-mentioned design, holder among the hold assembly can be fixed to the both sides centre gripping of first membrane cloth, when first membrane cloth removes to expand or accomodate, the hold assembly can remove along with first membrane cloth together, guarantees the stationarity of first membrane cloth at the removal in-process to expand smoothly and accomodate. The holder is articulated with removing the seat, and under the effect of air nozzle, the holder can be to being close to or keeping away from one side deflection movement of cabinet door, can drive first membrane cloth and deflect for first membrane cloth better with second membrane cloth and the laminating of cabinet door mutually.

Preferably, the cabinet body outside is provided with the drive disk assembly that the drive support moved along with first membrane cloth synchronization, drive disk assembly includes:

the first transmission part is linked with the driving part and comprises a flat gear set connected with the driving part and a turbine worm set linked with the flat gear set, the flat gear set and the driving part are both driving forces in the horizontal direction, and the turbine worm set transmits the driving forces in the horizontal direction to the driving forces in the vertical direction;

the second transmission part is linked with the worm and gear set and comprises three transmission wheels, a screw rod arranged in the cabinet body and a nut in threaded fit with the screw rod, the transmission wheels are connected through a linkage part and rotate synchronously, two adjacent transmission wheels are arranged in the cabinet body and are fixedly connected with the screw rod in a coaxial mode, a guide groove in sliding clamping fit with the nut is formed in the cabinet body and used for guiding and limiting the nut, and the support is fixedly connected with the nut.

Based on above-mentioned design, first transmission portion and second transmission portion transmit the drive power of drive division for clamping part moves under the effect of drive division, and clamping part can follow the removal of first membrane cloth and remove promptly, and synchronous movement guarantees the stationarity when launching or accomodating.

Preferably, the cabinet body is provided with a step plate, the step plate is provided with a contact switch, the cabinet body is internally provided with a controller, the contact switch, the controller, the driving part and the electric cylinder are electrically connected, and when the cabinet door is abutted to the contact switch, the contact switch sends a signal to the controller to enable the controller to control the driving part and the electric cylinder to start and operate.

Based on above-mentioned design, according to opening or closing of cabinet door, the expansion and the accomodating of first membrane cloth of controller control and second membrane cloth realize laying the membrane cloth automatically, and more intellectuality to open the cabinet door and can withdraw the membrane cloth, make things convenient for the staff to overhaul.

In summary, the present application at least includes the following beneficial technical effects:

1. the vertical blocking component and the side blocking component in the cabinet body can cover and block a gap between the cabinet door and the cabinet body, so that dust and impurities are prevented from entering the cabinet body, and a power distributor, a circuit and the like are protected, so that the safety of the power distribution cabinet in the using process is ensured;

2. when the second membrane cloth is unfolded, the arc-shaped guide rails play a role in guiding and limiting the second membrane cloth, so that the second membrane cloth moves and deforms according to a certain track when being unfolded, and the second membrane cloth is attached to the inner side of the cabinet body;

3. the clamping piece in the clamping part can clamp and fix two sides of the first film cloth, when the first film cloth moves, expands or is stored, the clamping part can move along with the first film cloth, the stability of the first film cloth in the moving process is ensured, and the first film cloth can be smoothly expanded and stored;

4. according to opening or closing of cabinet door, the expansion and the accomodating of first membrane cloth of controller control and second membrane cloth realize laying the membrane cloth automatically, and more intellectuality to open the cabinet door and can withdraw the membrane cloth, make things convenient for the staff to overhaul.

Drawings

Fig. 1 is a schematic perspective view of a safety protection electric power cabinet in this embodiment;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure distribution of the safety protection electric power cabinet;

FIG. 4 is a schematic structural diagram of a vertical blocking component;

FIG. 5 is a schematic view showing a detailed structure of a driving part and a transmission member;

fig. 6 is a detailed structural schematic diagram of the transmission member.

Fig. 7 is a specific structure diagram of the transmission component and the clamping component.

Fig. 8 is an enlarged schematic view of a portion a of fig. 7.

Fig. 9 is a specific structural diagram of the side blocking member.

Fig. 10 is a detailed structural schematic diagram of the driving assembly.

Fig. 11 is an exploded view of the second film cloth and the arc-shaped guide rail.

Description of reference numerals: 1. a cabinet body; 101. heat dissipation holes; 102. a screen plate; 103. a cover plate; 104. a step plate; 2. a cabinet door; 3. a ventilation assembly; 31. an induced draft fan; 32. a vent pipe; 4. a contact switch; 5. a vertical blocking member; 51. a winding roller; 52. a first membrane cloth; 53. a first hood box; 54. a first unwinding slot; 55. a splint; 56. a magnetic part; 6. a side blocking member; 61. a second housing; 62. a side winding roller; 63. a second membrane cloth; 631. a guide bar; 64. a second unwinding groove; 65. a connecting strip; 651. a guide wheel; 66. a torsion spring; 7. a drive section; 8. a transmission member; 811. a first spur gear; 812. a second spur gear; 813. a first linkage shaft; 814. a worm; 815. a turbine; 816. a second linkage shaft; 817. connecting the support plate; 821. a first drive pulley; 822. a second transmission wheel; 823. a third transmission wheel; 824. a drive chain bead; 825. a screw rod; 826. a nut; 827. a guide block; 828. a guide groove; 9. a clamping member; 91. a support; 92. a movable seat; 921. an avoidance groove; 93. a clamping member; 94. a hinge; 95. raising a plate; 96. an air nozzle; 11. a drive assembly; 111. an electric cylinder; 112. a drive rod; 12. an arc-shaped guide rail.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses safety protection electric power cabinet, refer to fig. 1 and fig. 2, including the cabinet body 1, articulated on the cabinet body 1 have two cabinet doors 2, also can be the single side door, and the cabinet body 1 outside is provided with ventilation assembly 3, and ventilation assembly 3 includes draught fan 31 and the ventilation pipe 32 of being connected with draught fan 31, has seted up the vent on the cabinet body 1 lateral wall, and ventilation pipe 32 is linked together with the vent. And starting the induced draft fan 31, introducing airflow into the ventilation pipe 32 by the induced draft fan 31, and ventilating and cooling the electrical elements and the wire connectors in the cabinet body 1 by the airflow entering the cabinet body 1 from the ventilation opening.

Referring to fig. 1 and 2, the upper end of the cabinet body 1 is provided with a plurality of strip-shaped heat dissipation holes 101, or other shapes, the upper end of the cabinet body 1 is fixedly connected with a screen plate 102, and the screen plate 102 covers the upper ends of the strip-shaped heat dissipation holes 101 and is used for intercepting dust, oil stains and the like. The ventilation opening and the ventilation pipe 32 are arranged at the lower part of the side wall of the cabinet body 1, and airflow flows from bottom to top, so that dust and the like can be prevented from entering the cabinet body 1 from the strip-shaped heat dissipation holes 101. The upper end of the cabinet body 1 is also fixedly connected with a cover plate 103, and the cover plate 103 is covered above the plurality of heat dissipation holes 101 and can intercept dust.

Referring to fig. 1 and 2, a step plate 104 is disposed at an inner upper portion of the cabinet body 1, which may not be limited to an upper portion, the step plate 104 is fixedly connected with the contact switch 4, and when the cabinet door 2 is closed, the cabinet door 2 may abut against the contact switch 4, so that the contact switch 4 may link other devices in the cabinet body 1 to protect the cabinet body 1. The cabinet body 1 is internally provided with a controller which is electrically connected with the contact switch 4, and when the cabinet door 2 contacts the contact switch 4, the contact switch 4 can be linked with the controller to enable the controller to send out instructions.

Referring to fig. 3, a film cloth covering assembly is arranged in the cabinet body 1, and the film cloth covering assembly includes a vertical blocking component 5 and a side blocking component 6. Erect and seal and keep off the subassembly and accomodate at the interior top of the cabinet body 1 under cabinet door 2 open mode to be located cabinet door 2 top, erect when cabinet door 2 closes and seal and keep off the subassembly and can expand, can cover the upper and lower gap between cabinet door 2 and the cabinet body 1 under the expansion state. The side blocking parts 6 are provided with two, and the two side blocking parts 6 correspond to the two inner side walls of the cabinet body 1 one by one and are arranged at the positions close to the cabinet door 2.

The side blocking member 6 is housed when the cabinet door 2 is opened, and is deployed when the cabinet door 2 is closed and the vertical blocking assembly is deployed. The side blocking parts 6 are located on two sides of the inside of the cabinet body 1 in a storage state, and can be matched with the vertical blocking parts 5 in an expansion state to block gaps on the left side and the right side of the cabinet body 1 and the cabinet door 2. Therefore, the gap between the cabinet body 1 and the cabinet door 2 can be covered and blocked, and dust and oil dirt are prevented from entering the cabinet body 1.

Referring to fig. 4, the vertical sealing member 5 includes a winding roller 51 rotatably connected in the cabinet 1, a first film cloth 52 wound around the winding roller 51, and a first cover box 53 covering the outside of the winding roller 51, wherein one end of the winding roller 51 rotatably penetrates the sidewall of the cabinet 1 and extends to the outside of the cabinet 1. First cover case 53 fixed connection is inside the cabinet body 1, and winding roll 51 rotates and wears to establish in first cover case 53, and first unwinding groove 54 has been seted up to the bottom of first cover case 53, and the end of first membrane cloth 52 passes first unwinding groove 54 and extends to the outside of first cover case 53 and this tip rigid coupling has splint 55, and the width of splint 55 is greater than the first width of unwinding groove 54, and splint 55 card is established in the outside of first cover case 53, makes things convenient for the expansion and the accomodating of first membrane cloth 52.

Referring to fig. 5, the driving portion 7 is disposed outside the cabinet 1, the driving portion 7 is specifically set to be a driving motor in this embodiment, the driving motor is fixedly connected to the outer side wall of the cabinet 1, and the central shaft of the winding roller 51 is fixedly connected to the output shaft of the driving motor, so that the driving motor can drive the winding roller 51 to rotate to wind or unwind when operating.

Referring to fig. 4 and 5, the magnetic attraction parts 56 are arranged on two sides of the width direction of the first film cloth 52, the magnetic attraction parts 56 are flexible magnetic strips, namely soft magnetic strips, the soft magnetic strips can be deformed and have an adsorption force, and the soft magnetic strips can be magnetically attracted and attached to the cabinet door 2.

Referring to fig. 5 and 6, the cabinet 1 is provided with a transmission member 8 for driving the bracket 91 to move synchronously with the first film cloth 52 and a clamping member 9 for cooperating with the transmission member 8, the transmission member 8 cooperates with the driving part 7, and when the driving part 7 operates, the transmission member 8 transmits driving force to the clamping member 9, so that the clamping member 9 moves synchronously with the first film cloth 52. The transmission member 8 includes a first transmission portion and a second transmission portion.

Referring to fig. 5 and 6, the first transmission part includes a first flat gear 811 coaxially fixed to the output shaft of the driving motor, a second flat gear 812 engaged with the first flat gear 811, a first linkage shaft 813 coaxially fixed to the second flat gear 812, a worm 814 coaxially fixed to the first linkage shaft 813, a worm wheel 815 engaged with the worm 814, and a second linkage shaft 816 coaxially fixed to the worm wheel 815. The first linkage shaft 813 is rotatably connected with the outer side of the cabinet body 1, a connecting support plate 817 is fixedly connected to the outer side of the cabinet body 1, the second linkage shaft 816 is rotatably arranged in the connecting support plate 817 in a penetrating manner, and the central axis of the second linkage shaft 816 is arranged along the vertical direction.

Referring to fig. 5 and 6, the second transmission part includes a first transmission wheel 821, a second transmission wheel 822 and a third transmission wheel 823, the first transmission wheel 821 is coaxially and fixedly connected with the turbine 815, and the first transmission wheel 821, the second transmission wheel 822 and the third transmission wheel 823 are linked through a transmission chain bead 824, so that the three transmission wheels synchronously rotate. The transmission bead chain comprises a transmission rope sleeved on the three transmission wheels and a plurality of transmission beads fixedly connected to the transmission rope, clamping grooves are formed in the three transmission wheels, and each transmission bead is in clamping fit with each clamping groove.

Referring to fig. 5 and 6, the first driving wheel 821 and the third driving wheel 823 have the same diameter, and the second driving wheel 822 has a diameter larger than the first driving wheel 821 and the third driving wheel 823. The second driving wheel 822 and the third driving wheel 823 are arranged in the cabinet body 1, and the side wall of the cabinet body 1 is provided with a avoiding hole for the driving ball chain to move. The drive ball chain can also be replaced by other means, such as an endless synchronous belt.

Referring to fig. 5 and 6, the second transmission part further includes two lead screws 825 rotatably connected in the cabinet 1, wherein one lead screw 825 is coaxially and fixedly connected with the second transmission wheel 822, and the other lead screw 825 is coaxially and fixedly connected with the third transmission wheel 823. Each screw 825 is threaded with a nut 826, i.e., two nuts 826 are provided. A guide block 827 is fixedly connected to the nut 826, a guide groove 828 is formed in the inner wall of the cabinet body 1, the guide block 827 is in sliding clamping fit with the guide groove 828, and when the screw rod 825 rotates, the nut 826 moves up and down under the limiting effect of the guide block 827 and the guide groove 828.

Referring to fig. 6, 7 and 8, two sets of clamping components 9 are arranged on two sides of the first film cloth 52, the two sets of clamping components 9 are respectively arranged on two sides of the first film cloth 52 in the width direction, each clamping component 9 comprises a bracket 91 sliding along the vertical direction of the cabinet body 1, a moving seat 92 fixedly connected with the bracket 91, and a clamping component 93 connected with the moving seat 92, the clamping component 93 is used for being clamped with two sides of the first film cloth 52, the bracket 91 is fixedly connected with a nut 826, and the nut 826 drives the bracket 91 to move synchronously when moving.

Referring to fig. 8, the clamping member 93 is rotatably connected to the movable base 92, a hinge 94 is disposed on the movable base 92, the clamping member 93 is rotatably sleeved on the outer side of the hinge 94, a tilting plate 95 is fixedly connected to the clamping member 93, the tilting plate 95 is a plastic sheet, and the whole clamping member 93 is a plastic piece, so that the weight is light. Remove and offer the groove 921 of dodging that supplies the seesaw 95 displacement on the seat 92, remove and be provided with two air nozzles 96 on the seat 92, air nozzle 96 is located and dodges the groove 921 and the gas outlet is towards the seesaw 95. One of the two air nozzles 96 is disposed at one side of the rotational center line of the seesaw plate 95, and the other air nozzle 96 is disposed at the other side of the rotational center line of the seesaw plate 95.

During operation, a strong airflow may be directed into the air jet nozzles 96 on one side of the rocker plate 95, and a fan may be used to direct the airflow. The air flow acts on the tilting plate 95, so that the tilting plate 95 drives the clamping member 93 to rotate, and the lower end of the first film cloth 52 deviates to one side.

When cabinet door 2 closed, cabinet door 2 butt contact switch 4, contact switch 4 send signal for the controller, and the operation of controller control driving motor for winding roller 51 rotates and unreels, and first membrane cloth 52 moves down, covers the gap with cabinet door 2 and cabinet body 1 lower extreme until.

Referring to fig. 9, the side blocking member 6 includes a second cover box 61 fixedly connected to the inner side wall of the cabinet 1, a side winding roller 62 rotatably connected to the inside of the second cover box 61, and a second film cloth 63 wound on the side winding roller 62, a second unwinding groove 64 is provided on the side wall of the second cover box 61 along the vertical direction thereof, the end of the second film cloth 63 extends to the outside of the second cover box 61 through the second unwinding groove 64, and the end of the second film cloth is fixedly connected with a connecting strip 65, the width of the connecting strip 65 is greater than the width of the second unwinding groove 64, so that the second unwinding groove 64 can play a role in limiting the connecting strip 65. The torsion spring 66 is wound on the rotating shaft of the side winding roller 62, and when the second film cloth 63 is retracted, the second film cloth 63 can be smoothly reset under the action of the torsion spring 66.

Fixedly connected with magnetic sheet on the connecting strip 65, the magnetic sheet can inhale mutually with the soft magnetic stripe on the first membrane cloth 52, carries out the shutoff to the gap of the cabinet door 2 and the cabinet body 1 left and right sides, avoids dust and greasy dirt to enter into the cabinet body 1 inside.

Referring to fig. 10 and 11, a driving assembly 11 is arranged in the cabinet body 1, and the driving assembly 11 is used for cooperating with the connecting strip 65 to drive the connecting strip 65 to move, so that the second film 63 is unwound and unfolded. The driving assembly 11 includes an electric cylinder 111 fixedly connected in the cabinet 1, and a driving rod 112 hinged to a piston rod of the electric cylinder 111, and one end of the driving rod 112 far away from the piston rod of the electric cylinder 111 is hinged to the connecting bar 65. The electric cylinder 111 is provided with two bidirectional cylinders, that is, two driving rods 112 are provided, and the two driving rods 112 correspond to the connecting bars 65 on the two sides respectively.

The electric cylinder 111 is started, the electric cylinder 111 drives the piston rod to move, the drive rod 112 can be pulled in the piston rod moving process, the drive rod 112 drives the connecting strip 65 to move, the side winding roller 62 can be unwound, and the second film cloth 63 is unfolded until the connecting strip 65 is adsorbed to the soft magnetic strips on the first film cloth 52.

Referring to fig. 10 and 11, an arc-shaped guide rail 12 is fixedly connected in the cabinet body 1, the arc-shaped guide rail 12 is disposed at a corner in the cabinet body 1, and when the first film cloth 52 is vertically put down, the arc-shaped guide rail 12 is located on one side of the first film cloth 52 departing from the cabinet door 2. The lower extreme rigid coupling of second membrane cloth 63 has guide strip 631, and guide strip 631 chooses for use flexible rubber material, can produce deformation when convoluteing. The guide strip 631 is embedded in the arc guide rail 12, the outer arc surface of the arc guide rail 12 faces the corner direction of the cabinet body 1, when the second film cloth 63 is unfolded, the arc guide rail 12 plays a limiting guide role on the second film cloth 63, the film cloth can be attached to the inner corner side wall of the cabinet body 1 as much as possible, less internal space of the cabinet body 1 is occupied, and the plugging effect is better.

Referring to fig. 10 and 11, the lower end of the connecting strip 65 is rotatably connected with a guide wheel 651, the guide wheel 651 is engaged with the arc-shaped guide rail 12, one end of the arc-shaped guide rail 12, which is away from the second cover box 61, is open, the connecting strip 65 can be directly separated from the arc-shaped guide rail 12, the tail end of the second film cloth 63 conveniently rotates towards one side of the cabinet door 2, and the connecting strip 65 can be attracted to the soft magnetic strip.

The implementation principle of the embodiment is as follows: when the cabinet door 2 is closed, the cabinet door 2 abuts against the contact switch 4, the contact switch 4 sends a signal to the controller, and the controller controls the driving motor to operate, so that the winding roller 51 rotates to unwind. Meanwhile, the first film cloth 52 moves downwards under the action of the transmission part 8 and the clamping part 9 until the lower end of the first film cloth 52 moves to cover the lower gap of the cabinet door 2.

The electric cylinder 111 is started, the electric cylinder 111 drives the piston rod to move and retract, the drive rod 112 can be pulled in the piston rod moving process, the drive rod 112 drives the connecting strip 65 to move, the side winding roller 62 can be unwound, and the second film 63 is unfolded. And strong airflow is introduced into the air nozzle 96 close to one side of the cabinet door 2, and the clamping piece 93 drives the lower end of the first film cloth 52 to deviate towards one side of the second film cloth 63, so that the connecting strip 65 is adsorbed with the soft magnetic strip, and the airflow in the air nozzle 96 on the side is closed.

Let in strong air current again in the air nozzle 96 of keeping away from cabinet door 2 one side, holder 93 drives first membrane cloth 52 and second membrane cloth 63 and removes to cabinet door 2 direction for first membrane cloth 52 adsorbs with cabinet door 2, reduces the gap between membrane cloth and the cabinet door 2, and the protective effect is better.

When the electric power cabinet needs to be overhauled, the cabinet door 2 is opened, and the controller controls the electric cylinder 111, the driving motor, the air flow and the like, so that the first film cloth 52 and the second film cloth 63 are retracted, and the overhaul is convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a safety protection electric power cabinet, includes the cabinet body (1), be provided with cabinet door (2), its characterized in that on the cabinet body (1): the heat dissipation hole (101) is formed in the upper end of the cabinet body (1), the protective net is fixedly arranged at the upper end of the cabinet body (1), the ventilation assembly (3) is arranged on the outer side of the cabinet body (1), and the ventilation assembly (3) is used for introducing air flow into the cabinet body (1) to facilitate heat dissipation;

be provided with membrane cloth cover assembly in the cabinet body (1), membrane cloth cover assembly includes:

the vertical blocking component (5) is arranged at the inner top of the cabinet body (1) and can block the upper and lower gaps of the cabinet body (1) when being unfolded;

the side blocking parts (6) are arranged in two groups, and the one-to-one correspondence is arranged on two sides inside the cabinet body (1), and can block gaps on two sides of the cabinet body (1) when the cabinet is unfolded.

2. A safety protective electric power cabinet according to claim 1, characterized in that: the vertical blocking component (5) comprises a winding roller (51) rotatably arranged in the cabinet body (1) and first film cloth (52) wound on the winding roller (51), and a driving part (7) for driving the winding roller (51) to rotate is arranged on the cabinet body (1);

the utility model discloses a winding machine, including cabinet body (1), winding roller (51), winding groove (54), splint (55), the cabinet body internal fixation is provided with first cover case (53), winding roller (51) rotate to set up in first cover case (53), first unreeling groove (54) has been seted up on first cover case (53), the end of first membrane cloth (52) is passed first unreeling groove (54) and rigid coupling have splint (55), the width of splint (55) is greater than the first width of unreeling groove (54).

3. A safety protected electrical cabinet according to claim 2, wherein: the both sides of first membrane cloth (52) all are provided with magnetism and inhale portion (56), magnetism is inhaled portion (56) and is had magnetic attraction, first membrane cloth (52) when expanding adsorbable in cabinet door (2) are inboard.

4. A safety protected electrical cabinet according to claim 3, wherein: side block part (6) are in including rotating the setting side winding up roller (62) in the cabinet body (1), around establishing second membrane cloth (63) on side winding up roller (62), the terminal rigid coupling of second membrane cloth (63) has connecting strip (65), the fixed magnetic stripe that is provided with on connecting strip (65) when second membrane cloth (63) expand, the magnetic stripe be used for with magnetism portion (56) is inhaled and is connected.

5. A safety protection electric power cabinet according to claim 4, characterized in that: a second cover box (61) is fixedly arranged in the cabinet body (1), a second unwinding groove (64) is formed in the side wall of the second cover box (61), the second unwinding groove (64) is used for moving, unfolding or containing a second film cloth (63), and the connecting strip (65) can be limited;

the cabinet body (1) is internally provided with a driving assembly (11) for driving the second membrane cloth (63) to unfold or store, and the driving assembly (11) is used for being connected and matched with the connecting strip (65).

6. A safety protection electric power cabinet according to claim 5, characterized in that: drive assembly (11) include with electric cylinder (111) of the cabinet body (1) rigid coupling, with drive rod (112) that electric cylinder (111) piston rod is connected, the one end and the cylinder piston rod of drive rod (112) are articulated, and the other end is articulated with the connecting rod, electric cylinder (111) are two-way cylinder.

7. A safety protection electric power cabinet according to claim 5, characterized in that: an arc-shaped guide rail (12) is fixedly arranged at the position of an inner corner of the cabinet body (1), a guide wheel (651) is arranged at the end part of the connecting strip (65), the guide wheel (651) is in clamping fit with the guide rail, a guide strip (631) is fixedly arranged on the upper side or the lower side of the second film cloth (63), the guide strip (631) is clamped with the arc-shaped guide rail (12), and the guide strip (631) is made of a flexible deformable material, so that the second film cloth (63) deforms under the limiting action of the arc-shaped guide rail (12) and corresponds to the inner corner of the cabinet body (1);

and a torsion spring (66) is wound on the rotating shaft of the winding roller (51), so that the second film cloth (63) is convenient to reset.

8. A safety protection electric power cabinet according to claim 6, characterized in that: the cabinet body (1) is also internally provided with two groups of clamping components (9), the two groups of clamping components (9) are respectively arranged on two sides of the width direction of the first film cloth (52), each clamping component (9) comprises a bracket (91) sliding along the vertical direction of the cabinet body (1), a moving seat (92) fixedly connected with the bracket (91) and a clamping piece (93) connected with the moving seat (92), and the clamping pieces (93) are used for being clamped with two sides of the first film cloth (52);

the clamping piece (93) is connected with the moving seat (92) in a rotating mode, a hinge (94) is arranged on the moving seat (92), the clamping piece (93) is rotatably sleeved on the outer side of the hinge (94), a tilting plate (95) is fixedly connected to the clamping piece (93), an avoiding groove (921) for displacement of the tilting plate (95) is formed in the moving seat (92), an air nozzle (96) is arranged on the moving seat (92), the air nozzle (96) is located in the avoiding groove (921) and an air outlet faces the tilting plate (95);

two one of them setting of air nozzle (96) is in one side of perk board (95) rotation center line, another air nozzle (96) set up in perk board (95) rotation center line's opposite side, two air nozzle (96) alternate work, two sets of promptly clamping component (9) can drive first membrane cloth (52) to being close to or keeping away from the skew of one side of cabinet door (2).

9. A safety protection electric power cabinet according to claim 8, characterized in that: be provided with drive support (91) along with first membrane cloth (52) synchronous motion's drive disk assembly (8) on cabinet body (1), drive disk assembly (8) include:

the first transmission part is linked with the driving part (7) and comprises a flat gear group connected with the driving part (7) and a worm wheel (815) and worm (814) group linked with the flat gear group, the flat gear group and the driving part (7) are driving forces in the horizontal direction, and the worm wheel (815) and worm (814) group transmit the driving forces in the horizontal direction to driving forces in the vertical direction;

the second transmission part is linked with a worm (814) group of the worm wheel (815) and comprises three transmission wheels, a screw rod (825) arranged in the cabinet body (1) and a nut (826) in threaded fit with the screw rod (825), the three transmission wheels are connected through a linkage part to synchronously rotate, two adjacent transmission wheels are arranged in the cabinet body (1) and are coaxially and fixedly connected with the screw rod (825), a guide groove (828) in sliding clamping fit with the nut (826) is formed in the cabinet body (1) and used for guiding and limiting the nut (826), and the support (91) is fixedly connected with the nut (826).

10. A safety protected electrical cabinet according to claim 9, wherein: be provided with step board (104) on the cabinet body (1), be provided with contact switch (4) on step board (104), be provided with the controller in the cabinet body (1), contact switch (4), controller, drive division (7) and electric cylinder (111) electricity are connected, work as during cabinet door (2) butt contact switch (4), contact switch (4) send signal for the controller, make controller control drive division (7) and electric cylinder (111) start-up operation.

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