CN214428968U

CN214428968U - Ring main unit protection device based on microcontroller

Info

Publication number: CN214428968U
Application number: CN202120556694.2U
Authority: CN
Inventors: 李丙松; 陈伟
Original assignee: Nanjing Kingrelay Electric Technology Co ltd
Current assignee: Nanjing Kingrelay Electric Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-10-19
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses a looped netowrk cabinet protection device based on microcontroller, rotate to open and shut through a plurality of door shafts including cabinet body shell and connect in a plurality of cabinet doors of cabinet body shell front surface, cabinet body shell's inside and be located the first motor of the equal fixedly connected with of upside of every door shaft, and every the output shaft of first motor all with the top fixed connection of the door shaft that corresponds the position, every the outside of door shaft all is equipped with a gear sleeve through the bearing housing, cabinet body shell's inside and the rear side activity that is located a plurality of gear sleeves have been inlayed and have a rack that can be connected with the gear sleeve meshing. In the utility model, the opening and closing of single or all cabinet doors can be realized in a power micro-control mode, the automation degree is high, and the doors do not need to be opened and closed in sequence manually; after opening the cabinet door through electronic mode in this scheme, the cabinet door can be injectd in the open mode and can not the activity sway, can not shift out to moving in of electrical equipment and lead to the fact the hindrance.

Description

Ring main unit protection device based on microcontroller

Technical Field

The utility model relates to an electrical equipment protects technical field, especially relates to a looped netowrk cabinet protection device based on microcontroller.

Background

The ring main unit is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.

Traditional looped netowrk cabinet is through the inside electrical equipment of outer cabinet body protection, and the outer cabinet body is equipped with a plurality of cabinet doors that can open and shut, and traditional cabinet door not only need be opened one by one through manual and close, and the cabinet door after opening can the activity sway, shifts out to moving out easily electrical equipment and causes the hindrance.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the problem mentioned in the background art, the utility model provides a looped netowrk cabinet protection device based on microcontroller.

(II) technical scheme

The utility model provides a microcontroller-based ring main unit protection device, which comprises a main body shell and a plurality of cabinet doors connected to the front surface of the main body shell through a plurality of door shafts in a rotating and opening way, a first motor is fixedly connected inside the cabinet body shell and positioned at the upper side of each door shaft, and the output shaft of each first motor is fixedly connected with the top end of the door shaft at the corresponding position, the outer side of each door shaft is sleeved with a gear sleeve through a bearing, a rack which can be engaged and connected with the gear sleeves is movably embedded in the cabinet body shell and positioned at the rear side of the gear sleeves, one end of the rack is fixedly connected with a screw shaft, the peripheral surface of one end of the screw shaft is spirally sleeved with a driven spiral bevel gear, the inside of the cabinet body shell is fixedly connected with a second motor which is positioned on the upper side of the screw shaft, and the bottom end of an output shaft of the second motor is fixedly connected with a driving bevel gear which can be meshed and connected with the driven threaded bevel gear.

Preferably, the front surface of the cabinet body shell is provided with a motor control panel, and the motor control panel is provided with a plurality of switch keys which can be electrically connected with the first motor and the second motor respectively.

Preferably, a ratchet sleeve is fixedly sleeved on the outer peripheral surface of the door shaft positioned in the gear sleeve.

Preferably, the outer circumferential surface of the ratchet sleeve comprises a ratchet surface and a smooth surface respectively, and the inner circumferential surface of the gear sleeve is elastically and rotatably connected with a pawl capable of clamping the ratchet surface.

Preferably, the pawl is fixedly connected with one end of the leaf spring, and the other end of the leaf spring is fixedly connected with the inner ring surface of the gear sleeve.

Preferably, the tail end of the ratchet surface is fixedly connected with a reverse secondary ratchet, and the outer surface of the pawl is fixedly connected with a reverse secondary pawl capable of clamping the reverse secondary ratchet.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the opening and closing of single or all cabinet doors can be realized in a power micro-control mode, the automation degree is high, and the doors do not need to be opened and closed in sequence manually; after opening the cabinet door through electronic mode in this scheme, the cabinet door can be injectd in the open mode and can not the activity sway, can not shift out to moving in of electrical equipment and lead to the fact the hindrance.

Drawings

Fig. 1 is a schematic front view of a ring main unit protection device based on a microcontroller according to the present invention;

fig. 2 is a schematic view of the overlooking connection between the gear sleeve and the door spindle of the present invention.

In the figure: the cabinet comprises a cabinet body shell 1, a cabinet door 2, a door shaft 3, a first motor 4, a motor control panel 5, a gear sleeve 6, a rack 7, a screw shaft 8, a driven spiral bevel gear 9, a second motor 10, a driving bevel gear 11, a ratchet sleeve 12, a ratchet surface 121, a smooth surface 122, a pawl 13, a leaf spring 14, a reverse secondary pawl 15 and a reverse secondary ratchet 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in the figures 1-2, the utility model provides a microcontroller-based ring main unit protection device, which comprises a main unit housing 1 and a plurality of cabinet doors 2 connected to the front surface of the main unit housing 1 through a plurality of door shafts 3, a first motor 4 is fixedly connected to the inside of the main unit housing 1 and the upper side of each door shaft 3, the output shaft of each first motor 4 is fixedly connected to the top end of the door shaft 3 corresponding to the position, a gear sleeve 6 is sleeved on the outside of each door shaft 3 through a bearing, a rack 7 capable of engaging with the gear sleeve 6 is movably embedded in the main unit housing 1 and the rear side of the plurality of gear sleeves 6, a screw shaft 8 is fixedly connected to one end of the rack 7, a driven spiral bevel gear 9 is sleeved on the outer peripheral surface of one end of the screw shaft 8, a second motor 10 is fixedly connected to the inside of the main unit housing 1 and the upper side of the screw shaft 8, the bottom end of the output shaft of the second motor 10 is fixedly connected with a driving bevel gear 11 which can be meshed with the driven spiral bevel gear 9.

In an alternative embodiment, the front surface of the cabinet housing 1 is provided with a motor control panel 5, and the motor control panel 5 is provided with a plurality of switch buttons electrically connected to the first motor 4 and the second motor 10 respectively.

In an alternative embodiment, a ratchet sleeve 12 is fixedly fitted over the outer peripheral surface of the door shaft 3 inside the gear sleeve 6.

In an alternative embodiment, the outer peripheral surface of the ratchet sleeve 12 includes a ratchet surface 121 and a smooth surface 122, respectively, and the inner peripheral surface of the gear sleeve 6 is elastically rotatably connected with a pawl 13 capable of catching the ratchet surface 121.

In an alternative embodiment, the pawl 13 is fixedly connected to one end of a leaf spring 14, and the other end of the leaf spring 14 is fixedly connected to the inner circumferential surface of the gear sleeve 6.

In an alternative embodiment, a reverse secondary ratchet 16 is fixedly connected to the rear end of the ratchet surface 121, and a reverse secondary pawl 15 capable of catching the reverse secondary ratchet 16 is fixedly connected to the outer surface of the pawl 13.

The working principle is as follows: the traditional ring main unit protects internal electrical equipment through the outer cabinet body, the outer cabinet body is provided with a plurality of openable cabinet doors, the traditional cabinet doors are required to be opened and closed one by one manually, the opened cabinet doors can swing movably, and the moving in and out of the electrical equipment is easy to cause obstruction; after the cabinet door 2 is opened in an electric mode, the cabinet door 2 can be limited in an opening state and cannot swing movably, and the moving-in and moving-out of the electrical equipment cannot be hindered;

specifically, when a single cabinet door 2 is opened or closed, a corresponding switch button on the motor control panel 5 is pressed to control the corresponding first motor 4 to work, and an output shaft of the first motor 4 drives the corresponding door shaft 3 to rotate, so that the cabinet door 2 is driven to rotate to be opened or closed by taking the door shaft 3 as a shaft; as shown in fig. 2, when the cabinet door 2 is opened, the door spindle 3 rotates clockwise, and the door spindle 3 drives the ratchet surface 121 to rotate clockwise and then to be away from the pawl 13, so that the pawl 13 does not hinder the opening of a single door spindle 3; when the cabinet door 2 is closed, the door shaft 3 rotates anticlockwise, the door shaft 3 drives the ratchet surface 121 to move anticlockwise together and then to approach the pawl 13 again, and when the cabinet door rotates anticlockwise, the pawl 13 is in contact with the smooth surface 122, so that the pawl 13 cannot hinder the closing of a single door shaft 3;

when a plurality of cabinet doors 2 are opened and closed simultaneously, corresponding switch keys on the motor control panel 5 are pressed to control the corresponding second motors 10 to work, output shafts of the second motors 10 drive corresponding driving bevel gears 11 to rotate, the driving bevel gears 11 drive driven spiral bevel gears 9 to rotate, the spiral shafts 8 are enabled to drive racks 7 to horizontally move through spiral connection between the driven spiral bevel gears 9 and the spiral shafts 8, the racks 7 can drive a plurality of gear sleeves 6 to simultaneously rotate when horizontally moving, as shown in fig. 2, when the gear sleeves 6 rotate clockwise, the door shafts 3 can be driven to clockwise rotate through clamping between pawls 13 and ratchet surfaces 121, and all the cabinet doors 2 are opened simultaneously; when the gear sleeve 6 rotates anticlockwise, the door shaft 3 can be driven to rotate anticlockwise through the clamping between the reverse auxiliary pawl 15 and the reverse auxiliary ratchet 16, and therefore all the cabinet doors 2 are closed simultaneously.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A ring main unit protection device based on a microcontroller comprises a main body shell (1) and a plurality of cabinet doors (2) connected to the front surface of the main body shell (1) in a rotating opening and closing mode through a plurality of door shafts (3), and is characterized in that a first motor (4) is fixedly connected to the inner portion of the main body shell (1) and the upper side of each door shaft (3), an output shaft of each first motor (4) is fixedly connected to the top end of the corresponding door shaft (3), a gear sleeve (6) is sleeved on the outer side of each door shaft (3) through a bearing, a rack (7) capable of being meshed and connected with the gear sleeve (6) is movably embedded in the inner portion of the main body shell (1) and the rear side of the gear sleeves (6), a screw shaft (8) is fixedly connected to one end of the rack (7), a driven bevel screw (9) is spirally sleeved on one end of the peripheral surface of the screw shaft (8), the cabinet is characterized in that a second motor (10) is fixedly connected to the inner portion of the cabinet shell (1) and located on the upper side of the screw shaft (8), and a driving bevel gear (11) capable of being meshed and connected with the driven spiral bevel gear (9) is fixedly connected to the bottom end of an output shaft of the second motor (10).

2. The ring main unit protection device based on the microcontroller according to claim 1, wherein a motor control panel (5) is disposed on a front surface of the cabinet body housing (1), and a plurality of switch keys electrically connected to the first motor (4) and the second motor (10) are disposed on the motor control panel (5).

3. The ring main unit protection device based on the microcontroller according to claim 1, wherein a ratchet sleeve (12) is fixedly sleeved on the outer peripheral surface of the door shaft (3) inside the gear sleeve (6).

4. The ring main unit protection device based on microcontroller as claimed in claim 3, wherein the outer peripheral surface of the ratchet sleeve (12) comprises a ratchet surface (121) and a smooth surface (122), respectively, and the inner peripheral surface of the gear sleeve (6) is elastically and rotatably connected with a pawl (13) capable of locking the ratchet surface (121).

5. The ring main unit protection device based on the microcontroller according to claim 4, wherein the pawl (13) is fixedly connected with one end of a leaf spring (14), and the other end of the leaf spring (14) is fixedly connected with the inner ring surface of the gear sleeve (6).

6. The ring main unit protection device based on the microcontroller according to claim 4, wherein the tail end of the ratchet surface (121) is fixedly connected with a reverse secondary ratchet (16), and the outer surface of the pawl (13) is fixedly connected with a reverse secondary pawl (15) capable of clamping the reverse secondary ratchet (16).