CN211790017U

CN211790017U - Explosion-proof power distribution cabinet with stable performance

Info

Publication number: CN211790017U
Application number: CN202020667782.5U
Authority: CN
Inventors: 陈兆先; 张婷
Original assignee: Nanjing Qianwanhu Electronic Technology Co ltd
Current assignee: Nanjing Qianwanhu Electronic Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-10-27
Anticipated expiration: 2030-04-27

Abstract

The utility model relates to a technical field of switch board, an explosion-proof formula switch board of stable performance is disclosed, the intelligent cabinet temperature adjusting device comprises a cabinet body, the level sets firmly the wall in the cabinet body, qianmen and back door, it is the malleation chamber to cut off the top, it is the malleation control chamber to cut off the below, it is detachable to set firmly two transparent partition plate doors that are used for sealing the malleation chamber to cut off the top, it is detachable to set firmly two control doors that are used for sealing the malleation control chamber to cut off the below, it is connected with the touch control screen to cut off vertical sliding on, be provided with the through hole that supplies the vertical migration of touch control screen on the wall, the through hole is close to the cabinet body and openly just is located the malleation chamber outside, malleation control intracavity is provided with the elevating system that is used for controlling. The utility model discloses have and realize the internal electric elements of non-contact switch board through the touch control screen, the control scheme of touch control screen is separated in external environment and not fragile effect.

Description

Explosion-proof power distribution cabinet with stable performance

Technical Field

The utility model belongs to the technical field of the technique of switch board and specifically relates to an explosion-proof formula switch board of stable performance is related to.

Background

The power distribution cabinet is a final-stage control device of a power distribution system and is an important component of the power distribution system. The explosion-proof switch board of positive pressure type is a kind of switch board, usually includes the positive pressure chamber that is used for setting up electrical component and is used for setting up the positive pressure control chamber of protection device. When the positive pressure intracavity is the malleation environment, the atmospheric pressure of malleation intracavity is higher than the atmospheric pressure outside the malleation chamber, and the outer combustible gas of malleation chamber is difficult to get into the malleation intracavity to realize the separation of malleation intracavity electrical component and combustible gas. The protection device is used for keeping the positive pressure cavity to be a positive pressure environment, so the positive pressure type explosion-proof power distribution cabinet has extremely strong fire-proof and explosion-proof performance, and is particularly suitable for use scenes of power distribution cabinets with combustible gas in chemical production and the like.

The prior utility model patent document with the publication number of CN205248634U discloses a high-performance integrated positive pressure explosion-proof power distribution cabinet, which comprises a positive pressure chamber and a positive pressure control chamber, wherein the positive pressure chamber and the positive pressure control chamber are arranged in the same cabinet body, the same cabinet body is divided into an upper part and a lower part by a partition plate, the upper part and the lower part are respectively the positive pressure chamber and the positive pressure control chamber from top to bottom, one corner at the front end of the partition plate is provided with a threading hole, the rear part of the partition plate is provided with a plurality of threading holes, the positive pressure chamber is provided with a front door and a rear door, a touch display control screen is arranged above the outer side of the front door, the inner side of the front door is provided with a hollow auxiliary door, a wire control system is arranged in the hollow auxiliary door, one corner at the lower end of the hollow auxiliary door is provided with a threading hole, the threading hole is, a transparent partition plate door is arranged between the positive pressure cavity and the front door of the positive pressure cavity, and a positive pressure control cavity door with a visual window is arranged in front of the positive pressure control cavity.

The transparent partition plate door, the cabinet body and the rear door are used for sealing the positive pressure cavity and the electric elements in the positive pressure cavity, and when a user opens the front door, the electric elements arranged in the positive pressure cavity are not exposed outside due to the obstruction of the transparent partition plate door. The transparent partition plate door is convenient for a user to observe the working state of the electrical element, and the touch control screen on the front door is convenient for the user to acquire the working data of the electrical element and adjust the working state of the electrical element. Realize through above-mentioned operation that electrical component does not expose the switch board outside the malleation chamber and use, it is extremely low that combustible gas is sneaked into in the malleation intracavity, cabinet body non-deformable and explosion-proof properties are splendid.

The above prior art solutions have the following drawbacks: interior line control system of supplementary door of cavity directly influences touch display screen to electric elements's control effect with the circuit of wearing to establish in the threading hole, and the qianmen is unscrewed and is closed the in-process soon, and the downthehole line of threading can be dragged and the extrusion, influences touch display screen to electric elements's control effect. Once the line in the threading hole appears the damage because of extrusion and pulling, then the possibility of this switch board explosion is very big, uses unsafe.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing stable performance's explosion-proof formula switch board, explosion-proof performance is good and stable.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: explosion-proof switch board of stable performance sets firmly at internal wall, qianmen and the back door of cabinet including the cabinet body, level, cut off the top and be the malleation chamber, it is malleation control chamber to cut off the below, cut off the top detachable two transparent partition board doors that are used for sealing the malleation chamber that set firmly, cut off the below detachable two control doors that are used for sealing the malleation control chamber that set firmly, vertical sliding is connected with the touch control screen on the wall, be provided with the through hole that supplies the vertical penetration of touch control screen on the wall, the through hole is close to the cabinet body openly and is located the malleation extraventricular, the malleation control intracavity is provided with the elevating system who is used for controlling the vertical sliding of touch control screen, vertical through on the wall is provided with the through wires hole, the through wires hole is located between two transparent partition.

Through adopting above-mentioned technical scheme, make electric elements not expose outside the malleation chamber through transparent partition board door, realize the control adjustment of indirect contact electric elements through the touch control screen, the touch control screen is located malleation chamber and malleation control intracavity with electric elements's interconnecting link all the time, the touch control screen is stable to electric elements's control effect, the touch control screen can move down when necessary in order to reduce sheltering from to electric elements, it is convenient with operating condition to see through transparent partition board door observation electric elements connection, convenient to use and safe explosion-proof are good.

The present invention may be further configured in a preferred embodiment as: elevating system includes the elevating platform that links to each other with touch control screen bottom, the malleation control intracavity is provided with lifts the piece and lifts the arm, it slides along elevating platform length direction and connects on lifting a bottom surface to lift the piece, the one end and the piece swivelling joint that lifts the arm, the other end and the interior bottom surface swivelling joint in malleation control chamber of lifting the arm, the swivel plane of lifting the arm coincides with the path of sliding of lifting the piece, it is connected with lifting motor to lift the arm transmission.

Through adopting above-mentioned technical scheme, through the rotation that lifts the arm of lifting motor control, drive and lift a horizontal slip of piece and vertical lift, drive touch control screen and elevating platform lift, lift easy operation and control are effectual.

The present invention may be further configured in a preferred embodiment as: the transparent protection box is fixedly arranged on the lifting platform, the transparent protection box is sleeved on the touch control screen, a sealing ring abutted to the periphery of the transparent protection box is fixedly arranged on the inner periphery of the through hole, the transparent protection box comprises a protection box body and a box door which are fixedly connected in a detachable mode, and the box door is arranged on the front face of the protection box body.

Through adopting above-mentioned technical scheme, strengthen the seal in malleation control chamber through the butt of sealing washer and transparent protection box periphery, the malleation environment generates stably, and the sealing washer is direct not with touch control screen contact, and touch control screen is difficult for the frosting and damage, and the convenient dismouting of box door and protection box body, touch control screen convenient operation.

The present invention may be further configured in a preferred embodiment as: the front surface of the protection box body is provided with a dovetail groove, the box door is connected with the dovetail groove in a sliding mode along the length direction of the protection box body, a pull groove for facilitating manual sliding of the box door is formed in the box door, and the relative position of the box door and the dovetail groove is fixed under the action of non-external force.

By adopting the technical scheme, the touch control screen can be operated by applying force to the pull groove and manually sliding the box door out of the dovetail groove, the box body can be sealed and protected by reverse operation, the operation is simple, and the sealing effect is good.

The present invention may be further configured in a preferred embodiment as: the cabinet body is fixedly provided with two auxiliary pressure relief safety valves which are symmetrically arranged on one side of the two transparent partition doors away from each other.

Through adopting above-mentioned technical scheme, when the regional atmospheric pressure in the internal non-malleation chamber of cabinet and malleation control chamber was too big, the pressure release safety valve that attaches can automatic pressure release, and the safety explosion-proof nature of this switch board is better.

The present invention may be further configured in a preferred embodiment as: the internal circumference welding of cabinet has set firmly the installing frame, the installing frame is the setting of returning the shape with malleation chamber matched with, transparent partition door passes through the screw and is detachable fixed with the installing frame, both ends all are equipped with the C shape portion of bending that the direction is relative about one side is kept away from mutually to transparent partition door, transparent partition door sets firmly with the part of installing frame butt and returns shape rubber gasket.

Through adopting above-mentioned technical scheme, transparent partition door and the convenient ann of tearing open of installing frame, the manual displacement transparent partition door of the person of facilitating the use of the portion of bending, it is convenient that the user maintains electrical elements, and rubber gasket prevents that gaseous clearance between transparent partition door and the mounting hole from revealing, and the stability of malleation intracavity malleation environment is good.

The present invention may be further configured in a preferred embodiment as: and an antistatic film layer is fixedly arranged on the transparent partition plate door.

Through adopting above-mentioned technical scheme, antistatic film layer makes transparent partition door be difficult for adsorbing dust or conductive particle, observes that electric elements connects and operating condition is clearer, reduces the trouble of regular clearance, and it is more convenient to use.

The present invention may be further configured in a preferred embodiment as: and an observation window is arranged on the front door corresponding to the touch control screen.

Through adopting above-mentioned technical scheme, the observation window convenience of customers obtains the working data of the electric elements who shows on the touch control screen from the cabinet body outside, and it is more convenient to use.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the non-contact control of the electrical elements is realized through the touch control screen, and the connecting circuits of all the components are not exposed out of the positive pressure cavity and the positive pressure control cavity, so that the safety and the explosion resistance are good;

2. the touch control screen can be lifted, and the touch control screen can be stored and protected, and the electric elements in the positive pressure cavity can be observed conveniently without obstacles.

Drawings

Fig. 1 is a cross-sectional view of a particular embodiment for the internal structure of a cabinet.

Fig. 2 is a schematic structural diagram of a transparent protection box according to an embodiment.

Fig. 3 is a sectional view of a structure of a lifting mechanism according to an embodiment.

In the figure, 1, a cabinet body; 11. a positive pressure chamber; 12. a positive pressure control chamber; 121. a guide rod; 13. a control gate; 14. installing a frame; 15. an auxiliary pressure relief safety valve; 21. a front door; 211. an observation window; 22. a rear door; 3. a transparent bulkhead door; 31. an antistatic film layer; 32. a bending part; 33. a rubber gasket; 4. separating; 41. a through hole; 411. a seal ring; 42. threading holes; 5. a transparent protection box; 51. protecting the box body; 511. a dovetail groove; 52. a box door; 521. groove drawing; 6. a touch control screen; 7. a lifting mechanism; 71. a lifting platform; 72. a lifting block; 73. a lifting arm; 74. and lifting the motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a stable performance's explosion-proof power distribution cabinet, including the cabinet body 1, the level set firmly wall 4, qianmen 21 and back door 22 in the cabinet body 1, cut off 4 tops for being used for setting up electric elements's positive pressure chamber 11, cut off 4 below and be malleation control chamber 12. The cabinet body 1 is detachably and fixedly provided with a control door 13 for sealing the positive pressure control cavity 12 through a threaded part, and the front door 21 and the rear door 22 are both hinged with the cabinet body 1 and arranged corresponding to the positive pressure cavity 11. Door locks (not shown in the figures) are fixedly arranged on the front door 21 and the rear door 22, and the front door 21 and the rear door 22 close the cabinet body 1 under a normal state and keep a closed state through the door locks.

Referring to fig. 1, two transparent partition doors 3 for closing the positive pressure chamber 11 are detachably and fixedly arranged in the cabinet body 1, and a threading hole 42 and a through hole 41 are arranged on the partition 4. The number of the through holes 41 is one, and the through holes 41 are arranged between the front face of the cabinet body 1 and the transparent partition door 3 close to the front face of the cabinet body 1. The threading holes 42 are arranged between the two transparent partition doors 3, the number of the threading holes 42 is two in the embodiment, and the number of the threading holes 42 in the other embodiment can be freely adjusted according to the threading requirement of the line.

Referring to fig. 1 and 2, a lifting platform 71 is vertically slid in the positive pressure control chamber 12, and a touch control screen 6 and a transparent protection box 5 with an openable front surface are fixedly arranged on the lifting platform 71. The touch control screen 6 is positioned in the transparent protection box 5, and the working data of the electric elements are displayed on the touch control screen 6. And the touch control screen 6 can be used for adjusting and controlling the electric elements, and a connecting circuit path of the touch control screen 6 and the electric elements penetrates through the lifting platform 71 and the threading holes 42. The cabinet body 1 is internally provided with a lifting mechanism 7 for a user to change the height position of the touch screen, and the transparent protection box 5 penetrates through the through hole 41 when being lifted.

The user can observe the connection state and the operation state of the electric elements through the transparent partition board door 3, and the working data of the electric elements is acquired through the touch control screen 6 and the electric elements are adjusted and controlled. When the control electric element is adjusted, the positive pressure cavity 11 keeps a closed state and the electric element is not exposed. Touch control screen 6 liftable makes touch control screen 6 can not obstruct the user to observe electrical components, and lift in-process touch control screen 6 and electrical components's interconnecting link is located positive pressure chamber 11 and positive pressure control chamber 12 all the time, and interconnecting link can not damage because of the extrusion with drag, and touch control screen 6 job stabilization and this switch board's explosion-proof security height.

Referring to fig. 2, the transparent protection box 5 includes a protection box body 51 and a box door 52 for closing the front surface of the box body, and both the protection box body 51 and the box door 52 are made of an anti-static acrylic material. The front surface of the protective case 51 is provided with a dovetail groove 511, and the dovetail groove 511 horizontally extends to one end of the protective case 51. The box door 52 is connected with the dovetail groove 511 in a sliding mode, the box door 52 fixes the sliding position through the friction force between the box door 52 and the dovetail groove 511, and the end face, far away from the inside of the protection box body 51, of the box door 52 is provided with a pull groove 521. When the box door 52 closes the protective box body 51, there is a gap between the box door 52 and the top and bottom of the protective box body 51.

The seal ring 411 stabilizes the sealing of the positive pressure control chamber 12, and protects the case 51 from the touch control panel 6 and the through hole 41, thereby reducing the possibility of the touch control panel 6 being worn. When the user needs to operate the touch control screen 6, the user can manually slide the box door 52 by applying force to the pull groove 521, and then the touch control screen 6 can be operated. The front of the protection box body 51 can be closed by directional operation, and when the protection box body 51 is closed by the materials of the protection box body 51 and the box door 52, a user can still observe data displayed on the touch display screen through the box door 52, so that the touch display screen is convenient to use and long in service life.

Referring to fig. 3, the shape of the through hole 41 matches the shape of the transparent protection case 5, and a sealing ring 411 is adhered to the inner periphery of the through hole 41. A guide rod 121 connected with the lifting platform 71 in a sliding manner is fixedly arranged on the inner bottom surface of the cabinet body 1, and the axis of the guide rod 121 vertically penetrates through the lifting platform 71. The number of the guide rods 121 is two and the guide rods are respectively provided at opposite diagonal ends of the elevating platform 71. The lifting mechanism 7 comprises a lifting block 72 and a lifting arm 73, wherein the lifting block 72 is connected with the bottom surface of the lifting platform 71 in a sliding manner along the length direction of the cabinet body 1. One end of the lifting arm 73 is rotatably connected with the lifting block 72, and the other end of the lifting arm 73 is rotatably connected with the inner bottom surface of the cabinet 1. The rotation surface of the lifting arm 73 is vertical and is overlapped with the sliding path of the lifting block 72, and the end part of the lifting arm 73 far away from the lifting block 72 is connected with a lifting motor 74 in a transmission way.

The user drives the lifting arm 73 to rotate upwards through the lifting motor 74, the lifting arm 73 drives the lifting block 72 and the lifting platform 71 to move vertically, and the operation of controlling the lifting of the touch control screen 6 is simple and the control effect is good. The sealing ring 411 enhances the sealing performance of the positive pressure control cavity 12, reduces the possibility of abrasion of the box door 52 and the protection box body 51, and has longer service life.

Referring to fig. 1, in order to further facilitate the user to obtain the operation data of the electrical components, an observation window 211 is provided on the front door 21 corresponding to the touch control panel 6, and the observation window 211 is supported by tempered glass. When the touch control panel 6 moves up to the end of the stroke, the vertical projection of the touch control panel 6 on the front door 21 coincides with the observation window 211. When the front door 21 is closed, the user can see data displayed on the touch control panel 6 through the observation window 211 and the transparent protection case 5.

Referring to fig. 1, two mounting frames 14 are fixedly arranged in the cabinet body 1 in sequence along the thickness direction of the cabinet body 1, and the cabinet body 1, the front door 21, the rear door 22, the partition 4 and the mounting frames 14 are all metal pieces subjected to plastic spraying treatment. The mounting frame 14 is arranged in the positive pressure cavity 11 in a shape of a square circle, and the periphery of the mounting frame 14 is welded and fixed with the inner wall of the corresponding cabinet body 1 and the top surface of the partition 4. Two installing frames 14 and transparent partition board door 3 one-to-one setting, transparent partition board door 3 passes through the screw thread spare and detachably fixes with installing frame 14. A rubber gasket 33 is glued and fixed on the part of the transparent partition door 3, which is abutted against the mounting frame 14, and the rubber gasket 33 is in a shape of a square matched with the mounting frame 14. The outer surface of the transparent partition door 3 is plated with an antistatic film layer 31, and one side of the transparent partition door 3 away from the transparent partition door is provided with a bending part 32. The bending parts 32 are symmetrically arranged at two ends of the end face of the transparent partition board door 3, and the two bending parts 32 are arranged in a C shape with opposite bending directions. The installation frame 14 and the bending part 32 enable the transparent partition door 3 and the cabinet body 1 to be conveniently detached and installed, and a user can conveniently displace the transparent partition door 3. Rubber gasket 33 has strengthened the leakproofness in malleation chamber 11, and antistatic film layer 31 makes the difficult dust or the conductive particle of adsorbing of transparent partition door 3, and it is clearer to observe electrical element connection and operating condition, and the malleation environment is more stable in the malleation chamber 11, and safe explosion-proof nature is better.

Referring to fig. 1, in order to further improve the safety of the cabinet 1, two auxiliary pressure relief safety valves 15 are fixedly arranged on the cabinet 1, and the two auxiliary pressure relief safety valves 15 are symmetrically arranged on the opposite side of the transparent partition door 3. The auxiliary pressure relief safety valve 15 enables the residual space in the cabinet body 1 to still have the automatic pressure relief performance, and the possibility of explosion of the cabinet body 1 is lower.

The implementation principle of the embodiment is as follows: through transparent partition door 3 interval electric elements and external environment, realize the control adjustment of electric elements and the acquirement of working data under the interval state through touch control screen 6, the lift displacement is realized in the rotation of touch control screen 6 accessible lifting arm 73 and the slip of lifting block 72, and touch control screen 6 all is located positive pressure chamber 11 and positive pressure control chamber 12 with electric elements's interconnecting link, the interconnecting link is not fragile and do not expose with positive pressure chamber 11 and positive pressure control chamber 12 outside, the safety explosion-proof of switch board is good.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Explosion-proof formula switch board of stable performance sets firmly wall (4), qianmen (21) and back door (22) in the cabinet body (1) including the cabinet body (1), level, wall (4) top is positive pressure chamber (11), wall (4) below is malleation control chamber (12), its characterized in that: cut off (4) top and detachably set firmly two transparent partition board doors (3) that are used for sealing malleation chamber (11), cut off (4) below and detachably set firmly two control gates (13) that are used for sealing malleation control chamber (12), it is connected with touch control screen (6) to cut off (4) to go up vertical sliding, be provided with on cutting off (4) and supply vertical through hole (41) of passing of touch control screen (6), through hole (41) are close to cabinet body (1) openly and are located outside malleation chamber (11), be provided with in malleation control chamber (12) and be used for controlling lift mechanism (7) that touch control screen (6) vertically slided, it is provided with through wires hole (42) to cut off vertical running through on (4), through wires hole (42) are located between two transparent partition board doors (3).

2. The explosion-proof power distribution cabinet with stable performance of claim 1, characterized in that: elevating system (7) include elevating platform (71) that link to each other with touch control screen (6) bottom, be provided with in malleation control chamber (12) and lift piece (72) and lift arm (73), it slides along elevating platform (71) length direction and connects on lift piece (72) bottom surface to lift piece (72), the one end and the piece (72) swivelling joint that lifts arm (73), the other end and the interior bottom surface swivelling joint of malleation control chamber (12) of lift arm (73), the swivel plane of lift arm (73) and the coincidence of the slip path of lifting piece (72), it is connected with lifting motor (74) to lift arm (73) transmission.

3. The explosion-proof power distribution cabinet with stable performance of claim 2, characterized in that: transparent protection box (5) have set firmly on elevating platform (71), transparent protection box (5) cover is established on touch control screen (6), through hole (41) inner periphery set firmly with sealing washer (411) of transparent protection box (5) periphery butt, transparent protection box (5) are including detachable fixed connection's protection box body (51) and box door (52), box door (52) set up the front at protection box body (51).

4. The explosion-proof power distribution cabinet with stable performance of claim 3, characterized in that: the protection box body (51) is provided with dovetail groove (511) on the front, box door (52) and dovetail groove (511) slide along protection box body (51) length direction and are connected, be provided with pull groove (521) that make things convenient for manual box door (52) that slides on box door (52), under the non-exogenic action the relative position of box door (52) and dovetail groove (511) is fixed.

5. The explosion-proof power distribution cabinet with stable performance of claim 1, characterized in that: the cabinet body (1) is fixedly provided with two auxiliary pressure relief safety valves (15), and the two auxiliary pressure relief safety valves (15) are symmetrically arranged on one side of the two transparent partition doors (3) away from each other.

6. The explosion-proof power distribution cabinet with stable performance of claim 1, characterized in that: the utility model discloses a cabinet body, including the cabinet body, the cabinet body is equipped with installing frame (14) with the welding of inner week in cabinet body (1), installing frame (14) are with positive pressure chamber (11) matched with shape setting of returning, transparent baffle door (3) are through screw member and installing frame (14) detachable fixed, both ends all are equipped with the C shape that the direction of bending is relative (32) about transparent baffle door (3) leave one side mutually, transparent baffle door (3) have set firmly with the part of installing frame (14) butt and return shape rubber gasket (33).

7. The explosion-proof power distribution cabinet with stable performance of claim 1, characterized in that: an antistatic film layer (31) is fixedly arranged on the transparent partition plate door (3).

8. The explosion-proof power distribution cabinet with stable performance of claim 1, characterized in that: and an observation window (211) is arranged on the front door (21) corresponding to the touch control screen (6).