CN111917043B

CN111917043B - Drawer type capacitance compensation cabinet

Info

Publication number: CN111917043B
Application number: CN202010583980.8A
Authority: CN
Inventors: 余东博; 江君华
Original assignee: Xiangxing Electric Co ltd
Current assignee: Xiangxing Electric Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2022-05-31
Anticipated expiration: 2040-06-23
Also published as: CN111917043A

Abstract

The application relates to a drawer type capacitance compensation cabinet, which comprises a cabinet body, wherein a plurality of drawing openings are formed in the cabinet body, and drawer components are arranged in the drawing openings in a sliding manner; a male plug-in is arranged on the drawer component, and a female socket is arranged in the drawing port in a sliding manner; a movable connecting mechanism is arranged between the female socket and the cabinet body; and a locking device is arranged between the male plug-in unit and the female socket. When the drawer assembly is pulled out outwards, the female socket is driven to move outwards synchronously, so that components and electronic equipment in the drawer assembly are still in a running state, and the position of a fault in the drawer assembly can be clearly observed; when needing to overhaul, then through locking device unblock public plug-in components and female socket to make public plug-in components and female socket alternate segregation, thereby make the outage of drawer assembly, security when improving the maintenance.

Description

Drawer type capacitance compensation cabinet

Technical Field

The application relates to the technical field of capacitance compensation cabinets, in particular to a drawer type capacitance compensation cabinet.

Background

Most load types in the power system belong to inductive loads, and power electronic equipment is widely used by power utilization enterprises, so that the power factor of a power grid is low. The lower power factor reduces the utilization rate of equipment, increases the power supply investment, damages the voltage quality, reduces the service life of the equipment and greatly increases the line loss. Therefore, the capacitance compensation cabinet is connected in the power system, inductive load can be balanced, power factor is improved, and utilization rate of equipment is improved.

The chinese patent document with the publication number CN104037637B in the prior art discloses a drawer-type capacitance compensation cabinet, which includes a multi-layer cabinet body, wherein each layer is provided with a draw-out assembly, the end of the draw-out assembly facing the cabinet body is provided with a male end of an electrical connector, the cabinet body is correspondingly provided with a female end of the electrical connector, the male end and the female end are inserted and connected along the sliding direction of the draw-out assembly to realize electrical connection, and when the draw-out assembly is pulled out outwards, the male end and the female end are separated from each other to cut off the power of the draw-out assembly.

The above prior art solutions have the following drawbacks: because the drawer assembly can cut off the power supply when pulling out, components and parts or electronic equipment in the drawer assembly all can the bring to rest this moment, then when breaking down and need to overhaul in the drawer assembly, the maintainer is difficult to see the trouble place from all components and parts and electronic equipment of bring to rest fast, needs to detect each components and parts and electronic equipment one by one, has increased the degree of difficulty of overhauing.

Disclosure of Invention

To the not enough of prior art existence, this application provides a drawer type capacitance compensation cabinet, and the drawer subassembly can keep the electricity to be connected when pulling out, makes components and parts and electronic equipment normal operating, convenient to overhaul.

The application provides a drawer type capacitance compensation cabinet adopts following technical scheme:

a drawer type capacitance compensation cabinet comprises a cabinet body, wherein a plurality of drawing openings are formed in the cabinet body, and drawer components are arranged in the drawing openings in a sliding mode; a male plug-in is arranged on the side wall of the drawer assembly, and a female socket which is in plug-in fit with the male plug-in is arranged in the pull-out opening in a sliding manner along the sliding direction of the drawer assembly; a movable connecting mechanism which enables the female socket to be electrically connected with the cabinet body in the sliding process is arranged between the female socket and the cabinet body; and a locking device for locking the male plug-in unit and the female socket is arranged between the male plug-in unit and the female socket.

By adopting the technical scheme, the female socket is connected in the cabinet body in a sliding manner, and the female socket is kept in an electrically connected state with the cabinet body in the movement process by utilizing the movable connecting mechanism; the male plug-in unit and the female socket are locked by the locking device, and when the drawer assembly is pulled out outwards, the female socket is driven to move outwards synchronously, so that components and electronic equipment in the drawer assembly are still in a running state, and the position of a fault in the drawer assembly can be clearly observed; when the drawer assembly needs to be overhauled, the male plug-in unit and the female socket are unlocked through the locking device, and the male plug-in unit and the female socket are separated from each other, so that the drawer assembly is powered off, and the safety during overhauling is improved.

Preferably, the movable connection mechanism comprises a wire and a binding device for binding the wire; one end of the lead is connected in the cabinet body, the middle part of the lead is wound on the bundling device, and the other end of the lead is connected on the female socket; the length of the lead is greater than or equal to the distance that the drawer assembly can slide outwards.

By adopting the technical scheme, the female socket and the cabinet body are connected by using the soft lead, so that the female socket keeps electric connection in the sliding process; when the drawer component is positioned in the drawing opening, the excessive wires are restrained by the bundling device, so that the wires are prevented from being wound with each other to influence the drawing use of the drawer component.

Preferably, the bunching device is a connecting spring; one end of the connecting spring is connected to the inner wall of the cabinet body far away from the drawing opening, and the other end of the connecting spring is connected to the female socket; a plurality of guide pieces are arranged on the outer edge of the connecting spring along the spiral direction; the outer end of the guide piece is provided with a restraining groove along the radial direction; the lead extends along the spiral direction and is sequentially wound in each restraint groove.

By adopting the technical scheme, the connecting spring has better stretching recovery capability, and the drawer assembly can have an automatic resetting effect; and the wire is around locating on the guide member in the connecting spring outside, utilizes connecting spring as structural support to utilize restraint groove to retrain and spacing the wire, when making the wire have the extension ability, avoid the wire to take place intertwine.

Preferably, the depth of the restriction groove is greater than twice the diameter of the wire; chamfers are arranged on two sides of the opening of the restraint groove.

Through adopting above-mentioned technical scheme, according to the wire quantity of connecting on the female socket, can be simultaneously around establishing two piece at least wires on same group's guide, the rational utilization space, and the setting of chamfer is convenient for the wiring operation.

Preferably, the connecting spring is a rectangular spring with a rectangular spring wire section; a plurality of positioning holes are uniformly formed in the connecting spring along the spiral direction; the guide piece has elasticity, and a clamping groove is formed in the inward end of the guide piece to enable the guide piece to be H-shaped; and a positioning rod matched with the positioning hole is arranged on the inner wall of one side of the clamping groove.

By adopting the technical scheme, the positioning rod is matched with the positioning hole to enable the guide piece to be detachably connected to the connecting spring; the rectangular structure of the connecting spring has a certain positioning effect on the guide piece, so that the guide piece cannot deflect along the axial direction.

Preferably, the number of the connecting springs is two, and the two connecting springs are arranged in a double-spiral shape in a staggered manner; the guide pieces on the two connecting springs are staggered in the axial direction.

Through adopting above-mentioned technical scheme, utilize two connecting spring to be convenient for arrange more wires, and be two heliciform crisscross then make can not mutual interference between two connecting spring, lead to influencing elasticity and extension effect.

Preferably, the locking means comprises a push-pull electromagnet provided on the male insert; the push-pull electromagnet comprises a locking rod which is arranged in a sliding manner; the female socket is provided with a locking groove; when the push-pull electromagnet is electrified, the locking rod is inserted into the locking groove to be locked.

By adopting the technical scheme, the locking is realized by electrifying the push-pull electromagnet, when the male plug-in moves into the drawing opening along with the drawer assembly, the male plug-in and the female socket are spliced and electrified, and the locking rod can be downwards inserted into the locking groove to be automatically locked.

Preferably, a limiting rod is arranged on the outer side of the cabinet body in a sliding manner towards the direction of the drawer assembly, and a limiting hole for the insertion of the limiting rod is formed in the drawer assembly; when the drawer assembly is pulled to the full-open position towards the outer side of the drawing opening, the limiting rod is aligned with the limiting hole.

Through adopting above-mentioned technical scheme, utilize the gag lever post to insert and locate the drawer subassembly and fix a position in spacing hole, make the drawer subassembly keep the open mode.

Preferably, an auxiliary plug-in is arranged at one end of the drawer assembly, which is far away from the drawing opening, and an auxiliary socket is arranged in the cabinet body; the auxiliary plug-in is matched with the auxiliary socket in an inserting mode along the sliding direction of the drawer component.

By adopting the technical scheme, the auxiliary plug-in and the auxiliary socket are connected with some components or electronic equipment which must be powered off during inspection, and the auxiliary plug-in and the auxiliary socket are separated from each other when the drawer assembly is pulled out, so that the components and the electronic equipment are powered off; the auxiliary insert may also be used to attach a warning member to indicate that the drawer assembly has been pulled out.

To sum up, the beneficial effect of this application is:

1. the female socket is connected in the cabinet body in a sliding manner, and the female socket is kept in an electrically connected state with the cabinet body in the moving process by utilizing the movable connecting mechanism; the male plug-in unit and the female socket are locked by the locking device, and when the drawer assembly is pulled out outwards, the female socket is driven to move outwards synchronously, so that components and electronic equipment in the drawer assembly are still in a running state, and the position of a fault in the drawer assembly can be clearly observed; when the drawer assembly needs to be overhauled, the male plug-in unit and the female socket are unlocked through the locking device, and the male plug-in unit and the female socket are separated from each other, so that the drawer assembly is powered off, and the safety during overhauling is improved;

2. the lead and the connecting spring are used as a movable connecting mechanism for connecting the female socket and the cabinet body, and the connecting spring has better stretching and recovering capacity and can enable the drawer assembly to have an automatic resetting effect; and the wire is around locating on the guide member in the connecting spring outside, utilizes connecting spring as structural support to utilize restraint groove to retrain and spacing the wire, when making the wire have the extension ability, avoid the wire to take place intertwine.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a cross-sectional schematic view of the drawer assembly and cabinet of the present application;

FIG. 3 is an exploded view of the drawer assembly and female receptacle of the present application;

FIG. 4 is an exploded view of the slide rail, female socket and articulating mechanism of the present application;

FIG. 5 is an exploded view of the guide and attachment spring of the present application;

fig. 6 is an enlarged schematic view at a in fig. 2.

Description of the reference numerals: 1. a cabinet body; 11. drawing the opening; 12. a wire arrangement frame; 121. an auxiliary socket; 13. a slide rail; 14. a limiting rod; 2. a drawer assembly; 21. a handle; 22. an operation screen; 23. a mounting frame; 231. threading holes; 232. a protective cover; 24. a male plug-in; 25. an auxiliary plug-in; 26. a limiting hole; 3. a female socket; 31. a locking groove; 4. a movable connecting mechanism; 41. a wire; 42. a connecting spring; 421. positioning holes; 43. a guide member; 431. a confinement groove; 4311. chamfering; 432. a clamping groove; 4321. positioning a rod; 5. pushing and pulling the electromagnet; 51. locking the lever.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment discloses a drawer type capacitance compensation cabinet, as shown in fig. 1, which includes a cabinet body 1, wherein the front surface of the cabinet body 1 is provided with a plurality of drawing openings 11 from top to bottom, and a creel stand 12 for hiding the circuit in the cabinet body 1 is arranged on the inner wall of the cabinet body 1 facing the drawing openings 11. A drawer assembly 2 is slidably connected in each drawing opening 11, a handle 21 and an operation screen 22 are arranged on the outer side of each drawer assembly 2, the handle 21 is used for drawing the drawer assembly 2 outwards, and the operation screen 22 is used for controlling components and electronic equipment in the drawer assembly 2 and displaying data conditions.

As shown in fig. 2 and 3, two side walls of the drawer assembly 2 are respectively fixedly connected with a mounting frame 23, a male plug-in unit 24 arranged in a direction away from the drawing opening 11 is fixedly mounted on the mounting frame 23, a threading hole 231 penetrating into the drawer assembly 2 is formed in the mounting frame 23, and a line on the male plug-in unit 24 enters the drawer assembly 2 from the threading hole 231 and is connected with components. The side of the mounting frame 23 facing the drawing opening 11 is also detachably provided with a protective cover 232 to prevent the male plug 24 from being hit when the drawer assembly 2 is drawn out.

As shown in fig. 2 and 4, the inner walls of the two sides of the cabinet 1 are fixedly connected with a sliding rail 13 corresponding to the two sides of the drawer assembly 2, the sliding rail 13 extends along the sliding direction of the drawer assembly 2, and the sliding rail 13 is slidably connected with a female socket 3 in plug-in fit with the male plug-in 24. A movable connecting mechanism 4 is arranged between the female socket 3 and the wire arrangement frame 12, and the movable connecting mechanism 4 enables the female socket 3 to be electrically connected with a circuit in the cabinet body 1 in the sliding process. When the drawer assembly 2 is pulled out outwards, the female socket 3 is driven to move outwards synchronously, so that components and electronic equipment in the drawer assembly 2 are still in a running state, and the fault position in the drawer assembly 2 can be clearly observed; when needing to overhaul, again with public plug-in components 24 and female socket 3 alternate segregation, make drawer assembly 2 outage, security when improving the maintenance.

As shown in fig. 4 and 5, the movable connection mechanism 4 includes a wire 41 and a connection spring 42. One end of the connecting spring 42 is connected to the inner wall of the cabinet body 1 where the creel stand 12 is located, and the other end is fixedly connected to the end of the female socket 3; a plurality of guide pieces 43 are fixed on the outer edge of the connecting spring 42 along the spiral direction, a restraining groove 431 is radially formed at the outer end of each guide piece 43, and chamfers 4311 are arranged on two sides of an opening of each restraining groove 431. One end of the lead 41 is connected to the inside of the creel stand 12, the middle part of the lead extends along the spiral direction and is sequentially wound in each restriction groove 431, and the other end of the lead is connected to the female socket 3; and the length of the lead 41 is greater than the stroke of the drawer assembly 2 capable of sliding outwardly. The connecting spring 42 has better stretching and recovering capacity and can ensure that the drawer component 2 has the effect of automatic reset; the wires 41 are connected to the female socket 3 and the wire rack 12, wound around the guide 43 outside the connecting spring 42, supported by the connecting spring 42, and restrained and limited by the restraining groove 431, so that the wires 41 have an extending capability and are prevented from being twisted with each other to affect the drawing of the drawer assembly 2.

As shown in fig. 5, the connecting spring 42 is a rectangular spring with a rectangular cross section, and a plurality of positioning holes 421 are uniformly formed on the connecting spring 42 along the spiral direction. A clamping groove 432 is formed at the inward end of the guide piece 43, so that the guide piece 43 is in an H shape, a positioning rod 4321 matched with the positioning hole 421 is formed on the inner wall of one side of the clamping groove 432 in an injection molding mode, and the positioning rod 4321 is matched with the positioning hole 421 to ensure the connection stability of the guide piece 43; and the guide 43 is made of plastic having a certain elasticity so that the guide 43 is detachably coupled to the connection spring 42.

As shown in fig. 4 and 5, since the number of the wires 41 connected to the female socket 3 is large, the depth of the restraint groove 431 is set to be greater than twice the diameter of the wires 41, so that at least two wires 41 can be wound on the same group of the guide members 43 at the same time, and the space is reasonably utilized; and the guide 43 is detachable so that the guide 43 having the different depths of the restriction grooves 431 can be replaced according to the number of the wires 41. In this embodiment, two connecting springs 42 are provided, the two connecting springs 42 are arranged in a double-spiral staggered manner, and the guiding members 43 on the two connecting springs 42 are staggered from each other in the axial direction. The two connecting springs 42 are used for arranging more wires 41 conveniently, the double-spiral shape is staggered, and the guide pieces 43 are staggered, so that the two connecting springs 42 cannot interfere with each other, and the elasticity and the extension effect are influenced.

As shown in fig. 2 and 3, a locking device for locking the male plug 24 and the female socket 3 is disposed between the male plug 24 and the female socket 3 to ensure the connection stability between the two, and prevent the female socket 3 from separating from the male plug 24 under the pulling force of the connection spring 42 when the drawer assembly 2 is pulled out. The locking device in this embodiment is a push-pull electromagnet 5, and may also be a stroke mechanism such as a pneumatic push rod or an electric push rod. Push-and-pull electro-magnet 5 fixed connection is in mounting bracket 23 upper end and is connected with public plug-in components 24 electricity, and push-and-pull electro-magnet 5 includes along the locking lever 51 of vertical direction slip setting, and female socket 3 upper end is provided with and supplies locking lever 51 male locking groove 31, and when public plug-in components 24 moved to pull mouth 11 along with drawer assembly 2 in, public plug-in components 24 and female socket 3 grafting circular telegram, locking lever 51 can be inserted locking groove 31 in locking groove 31 downwards and lock automatically. The push-pull electromagnet 5 can be controlled to be powered off through the operation screen 22, and when the locking is to be released, the push-pull electromagnet 5 is controlled to withdraw the locking rod 51 through the operation screen 22, so that the female socket 3 can be automatically separated from the male plug-in unit 24 under the action of the connecting spring 42.

As shown in fig. 2 and 6, a limiting rod 14 is slidably disposed outside the cabinet 1 above the drawing opening 11, and the upper end of the limiting rod 14 protrudes outward to be L-shaped, so that the limiting rod 14 can be conveniently pulled by hand to move up and down. The utility model discloses a drawer assembly 2, including drawer assembly 2, limiting rod 14, draw mouth 11, limiting rod 26, limiting rod 14, limiting hole 26, drawer assembly 2, limiting rod 14 and drawer assembly 2, the vertical side structure upper end of aiming at drawer assembly 2 downwards of limiting rod 14, then set up on the drawer assembly 2 and supply limiting rod 14 to insert the spacing hole 26 of establishing, when drawer assembly 2 draws to the position of opening completely towards the pull mouth outside, limiting rod 14 aligns with spacing hole 26 to fix a position drawer assembly 2 in inserting spacing hole 26 automatically under the action of gravity, make drawer assembly 2 keep the open mode.

As shown in fig. 2, an auxiliary plug-in 25 is disposed at an end of the drawer assembly 2 facing the rack 12, and an auxiliary socket 121 connected to the circuit is mounted on the rack 12 at a position corresponding to the auxiliary plug-in 25, and the auxiliary plug-in 25 is inserted into and engaged with the auxiliary socket 121 along the sliding direction of the drawer assembly 2. The auxiliary plug-in 25 is used for connecting some components or electronic equipment which must be powered off during inspection, and when the drawer assembly 2 is pulled out, the auxiliary plug-in 25 is separated from the auxiliary socket 121, so that the components and the electronic equipment are powered off; the auxiliary plug-in 25 can also be used to connect the operating panel 22, which displays its state on the operating panel 22 when the drawer assembly 2 is pulled out.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the 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

1. A drawer type capacitance compensation cabinet comprises a cabinet body (1), wherein a plurality of drawing openings (11) are formed in the cabinet body (1), and a drawer assembly (2) is arranged in each drawing opening (11) in a sliding mode; the method is characterized in that: a male plug-in (24) is arranged on the side wall of the drawer component (2), and a female socket (3) which is in plug-in fit with the male plug-in (24) is arranged in the drawing opening (11) in a sliding manner along the sliding direction of the drawer component (2); a movable connecting mechanism (4) which enables the female socket (3) to be electrically connected with the cabinet body (1) in the sliding process is arranged between the female socket (3) and the cabinet body (1); a locking device for locking the male plug-in (24) and the female socket (3) is arranged between the male plug-in and the female socket; the movable connecting mechanism (4) comprises a lead (41) and a bundling device for restraining the lead (41); one end of the lead (41) is connected in the cabinet body (1), the middle part of the lead is wound on the bundling device, and the other end of the lead is connected on the female socket (3); the length of the lead (41) is greater than or equal to the distance that the drawer assembly (2) can slide outwards; the beam-collecting device is a connecting spring (42); one end of the connecting spring (42) is connected to the inner wall of the cabinet body (1) far away from the drawing opening (11), and the other end of the connecting spring is connected to the female socket (3); a plurality of guide pieces (43) are arranged on the outer edge of the connecting spring (42) along the spiral direction; the outer end of the guide piece (43) is provided with a restraining groove (431) along the radial direction; the lead wires (41) extend along the spiral direction and are sequentially wound in the restraint grooves (431).

2. The drawer-type capacitance compensation cabinet of claim 1, wherein: the depth of the restraining groove (431) is more than twice the diameter of the lead (41); chamfers (4311) are arranged on two sides of the opening of the restraining groove (431).

3. The drawer-type capacitance compensation cabinet of claim 1, wherein: the connecting spring (42) is a rectangular spring with a rectangular spring wire section; a plurality of positioning holes (421) are uniformly arranged on the connecting spring (42) along the spiral direction; the guide piece (43) has elasticity, and a clamping groove (432) is formed in one inward end of the guide piece (43) to enable the guide piece (43) to be H-shaped; and a positioning rod (4321) matched with the positioning hole (421) is arranged on the inner wall of one side of the clamping groove (432).

4. The drawer-type capacitance compensation cabinet of claim 1, wherein: the two connecting springs (42) are arranged in a staggered manner, and the two connecting springs (42) are arranged in a double-spiral manner; the guides (43) of the two connecting springs (42) are offset from each other in the axial direction.

5. The drawer-type capacitance compensation cabinet of claim 1, wherein: the locking device comprises a push-pull electromagnet (5) arranged on the male plug-in (24); the push-pull electromagnet (5) comprises a locking rod (51) which is arranged in a sliding manner; a locking groove (31) is arranged on the female socket (3); when the push-pull electromagnet (5) is electrified, the locking rod (51) moves to be inserted into the locking groove (31) for locking.

6. The drawer-type capacitance compensation cabinet of claim 1, wherein: a limiting rod (14) is arranged on the outer side of the cabinet body (1) in a sliding manner towards the direction of the drawer assembly (2), and a limiting hole (26) for the insertion of the limiting rod (14) is formed in the drawer assembly (2); when the drawer component (2) is pulled to the full-open position towards the outer side of the drawing opening (11), the limiting rod (14) is aligned with the limiting hole (26).

7. The drawer-type capacitance compensation cabinet of claim 1, wherein: an auxiliary plug-in (25) is arranged at one end of the drawer component (2) far away from the drawing opening (11), and an auxiliary socket (121) is arranged in the cabinet body (1); the auxiliary plug-in (25) is matched with the auxiliary socket (121) in a plugging manner along the sliding direction of the drawer component (2).