CN114753714A

CN114753714A - Intelligent convergence equipment for transformer substation video monitoring system

Info

Publication number: CN114753714A
Application number: CN202210286517.6A
Authority: CN
Inventors: 张旭; 凌坤; 周瑞琪; 仇梦颖; 何金鑫; 赵军; 吴道红; 牛春光; 许欣; 余凡
Original assignee: Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-15
Anticipated expiration: 2042-03-22
Also published as: CN114753714B

Abstract

The invention relates to the technical field of monitoring systems, and discloses intelligent convergence equipment for a transformer substation video monitoring system, which comprises a convergence box body and a box door, wherein a cavity is formed in the convergence box body; the switch mechanism comprises a lock body arranged in the box door and a lock block arranged at the gathering box body; the lock body comprises a lock box, the lock box is provided with the lock body, a lock core which can rotate and extends into the lock box is arranged in the lock body, and the lock core is telescopically arranged in the lock body; the lock box is internally provided with a telescopic spring bolt and a thimble, the lock cylinder is used for driving the spring bolt to retract into the lock box, and the lock cylinder is used for driving the thimble to extend out of the lock box; the lock block is provided with a first jack for the lock tongue to extend into and a second jack for the thimble to extend into, and the second jack is internally provided with a contact switch matched with the thimble. Through above-mentioned structure for through pressing in the lock core drive thimble stretches into the second jack, touch contact switch and cut off the main circuit in the collection box body, avoid the chamber door to open the rainwater and get into the harm that causes electrical equipment.

Description

Intelligent convergence equipment for transformer substation video monitoring system

Technical Field

The invention relates to the technical field of monitoring systems, in particular to intelligent convergence equipment for a transformer substation video monitoring system.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. At present, the operation of a substation is monitored by using a video monitoring system. In the construction of a video monitoring system of a transformer substation, the setting of a monitoring point is particularly important, the monitoring point is generally provided with a convergence box, and the convergence box is used for installing electrical equipment such as a device power supply (a switching power supply), networking equipment and monitoring equipment.

Although current collection box can protect the electrical equipment who installs in it, still exist and still can't break off the working circuit who assembles incasement electrical equipment before opening the chamber door, cause to assemble the case in the rainy day and overhaul, open the chamber door and can make the rainwater assemble the incasement, lead to electrical equipment's working circuit short circuit easily, cause the electrical equipment damage that assembles the incasement.

Disclosure of Invention

The invention provides intelligent convergence equipment for a transformer substation video monitoring system, aiming at the defect that a working circuit in a convergence box cannot be disconnected before a box door is opened in the prior art.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

An intelligent convergence device for a transformer substation video monitoring system comprises a convergence box body, wherein an installation cavity is arranged in the convergence box body, an openable box door is arranged at an opening of the installation cavity, and a switch mechanism is arranged on the box door; the switch mechanism comprises a lock body arranged in the box door and a lock block which is arranged at the gathering box body and matched with the lock body; the lock body comprises a lock box, the lock box is provided with the lock body, a lock core which can rotate and extends into the lock box is arranged in the lock body, and the lock core is telescopically arranged in the lock body; a telescopic spring bolt is arranged in the lock box, the lock cylinder is used for driving the spring bolt to retract into the lock box, a telescopic ejector pin is also arranged in the lock box, and the lock cylinder is used for driving the ejector pin to extend out of the lock box;

the lock block is provided with a first jack for the lock tongue to extend into and a second jack for the thimble to extend into, and the second jack is internally provided with a button switch matched with the corresponding end of the thimble.

Through the structure of the invention, the thimble can be driven to extend into the second jack by pressing the lock cylinder, and the switch of the button switch is triggered to cut off the working circuit in the convergence box body, so that the working circuit of the electrical equipment in the convergence box body can be cut off before the box door is opened, and the damage of the electrical equipment caused by rainwater entering when the box door is opened is avoided.

Preferably, the lock tongue is arranged in the lock box through a first spring, the first spring is used for driving the lock tongue to extend out of the lock box, a groove is formed in the side face, facing the ejector pin, of the lock tongue, the lock cylinder penetrates through the groove, a protruding block is arranged on one side wall of the groove, a shifting block matched with the protruding block is arranged on the lock cylinder, the lock cylinder rotates to drive the shifting block to extrude the protruding block to drive the lock tongue to retract into the lock box, an ejector block with an end face attached to the side face of the ejector pin is arranged at the end portion, located in the lock box, of the lock cylinder, and a first inclined face is arranged at one end portion of the ejector block;

the ejector pin is arranged in the lock box through a second spring, the second spring is used for driving the ejector pin to retract into the lock box, a second inclined plane is arranged at the end part of the ejector pin located in the lock box, and the lock cylinder rotates and moves towards the interior of the lock box and is used for driving the first inclined plane and the second inclined plane to extrude mutually to drive the ejector pin to extend out of the lock box.

Through the structure of the invention, the retraction of the lock bolt and the extension of the thimble into the second jack to trigger the button switch to cut off the main circuit in the convergence box body can be realized through the rotation of the lock cylinder in different directions, and the operation is simple and convenient.

Preferably, a first lane and a second lane which are perpendicular to each other are arranged in the lock block and above the second jack, the first lane is communicated with the second jack, the second lane and the second jack are arranged in the same direction, a positioning pin with one end extending into the second jack is arranged in the first lane through a third spring, the third spring is used for driving the positioning pin to extrude the ejector pin, a sliding groove is arranged on the ejector pin along the moving direction of the ejector pin, a first guide inclined plane is arranged on the sliding groove, a sliding block extending into the sliding groove is arranged on the positioning pin, and a second guide inclined plane which is matched with the first guide inclined plane and drives the positioning pin to retract into the first lane is arranged on the sliding block; the second moving block is provided with a moving block through a fourth spring, the moving block is provided with a through groove for the positioning pin to pass through, a positioning block is arranged in the through groove, the positioning pin is provided with a positioning groove, the fourth spring is used for driving the moving block to move towards the positioning pin, and the positioning pin retracts into the first moving block and is used for enabling the positioning block to be inserted into the positioning groove.

Through the structure of the invention, the positioning pin can fix the thimble extending into the second jack, so that the thimble cannot retract before the push button switch is touched, a user can prompt the thimble to touch the push button switch through the reset of the lock cylinder, and the condition that the door is opened because the working circuit in the convergence box body is not cut off by pressing the lock cylinder is avoided.

Preferably, the moving block is provided with a limiting part extending out of the locking block, the outer end part of the limiting part is arc-shaped, a limiting groove for the limiting part to be clamped in is formed in the outer side surface of the locking box, and the box door is opened and used for driving the limiting part to drive the moving block to retract into the second track.

Through the structure of the invention, the movable block can be driven to move into the second track when the box door is opened and closed, so that the limit of the positioning pin is released, the positioning pin extends into the second jack under the action of the third spring, and the resetting of the positioning pin is better realized.

Preferably, the door is provided with a first mounting groove for mounting the lock body, so that the lock body can be mounted and dismounted better.

As preferred, the opening part of gathering the case body is equipped with the fixed block, is equipped with the second mounting groove that supplies the locking piece installation on the fixed block, realizes the dismouting of locking piece on gathering the case body better.

Drawings

Fig. 1 is a schematic view of a collecting box body and a box door in embodiment 1;

fig. 2 is a schematic view of the opening and closing mechanism in embodiment 1;

figure 3 is a front side view of the lock body of embodiment 1;

figure 4 is a rear side view of the lock body of embodiment 1;

FIG. 5 is a schematic view of a lock block in embodiment 1;

fig. 6 is a schematic sectional view of the opening and closing mechanism in embodiment 1;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic view of a positioning pin in example 1;

fig. 9 is a schematic view of a moving block in embodiment 1;

fig. 10 is a block diagram showing the connection between the control circuit and the operation circuit in embodiment 1.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in fig. 1, the embodiment provides an intelligent convergence device for a substation video monitoring system, which includes a convergence box body 100, wherein an installation cavity 101 with an opening on one side is arranged in the convergence box body 100, a box door 110 is hinged at an opening of the installation cavity 101, and the box door 110 is fixed at the opening of the installation cavity 101 through a switch mechanism; the installation cavity 101 is used for installing electrical equipment such as an equipment power supply, networking equipment and monitoring equipment in the video monitoring system, and an opening of the installation cavity 101 is blocked through the box door 110, so that the convergence box body can be used for installing and protecting the electrical equipment in the video monitoring system; the opening and closing of the box door 110 at the opening of the installation cavity 101 are realized through the switch mechanism, so that the electrical equipment in the convergence box body 100 can be conveniently overhauled.

Referring to fig. 2 to 5, the opening and closing mechanism includes a lock body 200 disposed in the box door 110 and a lock block 220 disposed at the convergence box body 100 and engaged with the lock body 200; the lock body 200 comprises a lock box 201, a lock body 202 is arranged on the lock box 201, a lock core 210 which can rotate and extends into the lock box 201 is arranged in the lock body 202, and the lock core 210 is telescopically arranged in the lock body 202; a bolt 320 is arranged in the lock box 201 through a first spring 310, the first spring 310 is used for driving the bolt 320 to extend out of the lock box 201, a groove 411 is formed in the bolt 320, the lock cylinder 210 penetrates through the groove 411, a projection 412 is arranged on one side wall of the groove 411, a shifting block 421 matched with the projection 412 is arranged on the lock cylinder 210, the lock cylinder 210 rotates to drive the shifting block 421 to extrude the projection 412 to drive the bolt 320 to retract into the lock box 201, a top block 422 is arranged at the end part, located in the lock box 201, of the lock cylinder 210, and a first inclined plane 423 is arranged at one end part of the top block 422;

a thimble 340 is arranged in the lock box 201 through a second spring 330, the second spring 330 is used for driving the thimble 340 to retract into the lock box 201, the side surface of the thimble 340 is abutted against one end part of a top block 422, a second inclined plane 341 is arranged at the end part of the thimble 340 positioned in the lock box, and the lock core 210 rotates and moves towards the inside of the lock box 201 to drive a first inclined plane 423 to be matched with the second inclined plane 341 to drive the thimble 340 to extend out of the lock box 201;

The locking block 220 is provided with a first insertion hole 511 for the locking tongue 320 to extend into and a second insertion hole 512 for the thimble 340 to extend into, a button switch (not shown in the figure) is arranged in the second insertion hole 512, and the thimble 340 extends into the second insertion hole 512 for driving the button switch to open and close.

As shown in fig. 10, in this embodiment, the convergence box body is used to set a working circuit, the working circuit is connected to the power grid through an output loop of a relay, and the button switch in this embodiment can be connected to an input loop of the relay; therefore, when the thimble 340 extends into the button switch from the second jack 512, the on/off of the input circuit of the relay can be realized by abutting against the button switch, and further the off of the output circuit can be realized, so that the power off of the working circuit in the convergence box body 100 can be realized before the convergence box body is opened, and the risk of short circuit of the working circuit caused by the fact that the internal working circuit cannot be timely disconnected when the convergence box body is overhauled in rainy days can be better avoided.

It should be understood by those skilled in the art that the push button switch of the present embodiment can be an existing push button switch, that is, the push button switch can be operated to switch between an open state and a closed state and maintain the open state after each touch/press.

Through the structure in the embodiment, the first spring 310 pushes the latch 320 to extend out of the lock box, so that the latch 320 extends into the first insertion hole 511 to close the door 110 at the opening of the installation cavity 101, and at this time, because the end surface of the top block 422 is attached to the side surface of the thimble 340, the lock cylinder 210 is limited, and cannot extend and retract in the lock body 201; in practical use of the present embodiment, when a user drives the lock cylinder 210 to rotate to one side of the box body 201 by using a key, the shifting block 421 on the lock cylinder 210 pushes the projection 412 to move backward, and drives the latch bolt 320 to move into the lock box 201, so as to release the locking of the box door 110, realize the opening of the box door 110, and facilitate maintenance in a normal state, wherein, the stroke of retracting the latch bolt 320 into the lock box 201 can better ensure the matching between the shifting block 421 and the projection 412, and prevent the shifting block 421 from rotating into the groove 411 to prevent the latch bolt 320 from extending out; when the user rotates the key cylinder 210 to the other side of the case 201 by using the key, the first inclined surface 423 of the top block 422 is rotated to correspond to the second inclined surface 341, and at this time, when the lock core 210 is pressed into the lock box 201, the first inclined surface 423 presses the second inclined surface 341 to drive the thimble 340 to extend into the second insertion hole 512, so that the thimble 340 presses the button switch to operate the control circuit, the relay drives the electric contact switch to be switched off to switch off the operating circuit, at this time, the lock core 210 is released, the lock cylinder 210 is automatically reset by the second spring 330, and then the lock cylinder 210 is driven to rotate to one side of the cassette body 201, so that the door 110 is unlocked and the door 110 can be opened, therefore, when the collection box is overhauled in rainy days, a circuit in the collection box body 100 can be preferably disconnected before the box door 110 is opened, and damage to electrical equipment in the collection box body 100 caused by rainwater in the collection box body 100 during opening of the door for overhauling is avoided; when the overhaul is finished, an operator can insert a screwdriver and the like into the second jack and press the button switch to enable the working circuit to work; through the arrangement of the switch mechanism and the button switch in the embodiment, a maintainer can cut off a working circuit in the convergence box body 100 before opening the box door 110 by rotating and pressing the lock cylinder 210, so that the box door is prevented from being damaged due to the fact that rainwater enters the convergence box body.

Referring to fig. 6 to 9, in this embodiment, a first channel 711 and a second channel 712 are disposed in the lock block 220 and above the second insertion hole 512, the first channel 711 is disposed to be communicated with the second insertion hole 512, the second channel 712 is disposed in the same direction as the second insertion hole 512, a positioning pin 730 having one end extending into the second insertion hole 512 is disposed in the first channel 711 through a third spring 720, the third spring 720 is used for driving the positioning pin 730 to press the thimble 340, a sliding groove 741 is disposed on the thimble 340 along the moving direction of the thimble 340, a first guiding inclined plane 742 is disposed on the sliding groove 741, a sliding block 811 extending into the sliding groove 741 is disposed on the positioning pin 730, and a second guiding inclined plane 812 matched with the first guiding inclined plane 742 and driving the positioning pin 730 to retract into the first channel 711 is disposed on the sliding block 811; the moving block 760 is arranged in the second runner 712 through the fourth spring 750, a through groove 911 for the positioning pin 730 to pass through is formed in the moving block 760, the positioning block 912 is arranged in the through groove 911, the positioning groove 813 is formed in the positioning pin 730, the fourth spring 750 is used for driving the moving block 760 to move towards the positioning pin 730, and the positioning pin 730 retracts into the first runner 711 to enable the positioning block 912 to be inserted into the positioning groove 813.

In this embodiment, the third spring 720 drives the positioning pin 730 to extend into the second insertion hole 512, so that the end of the positioning pin 730 extending into the second insertion hole 512 can extrude the side surface of the thimble 340 extending into the second insertion hole 512, thereby preventing the thimble from retracting into the lock case 201 before the button switch is not activated; through the arrangement of the sliding groove 741 and the sliding block 811, when the lock cylinder 210 is pressed to drive the thimble 340 to trigger the button switch, the first guiding inclined surface 742 is matched with the second guiding inclined surface 812 to enable the sliding block 811 to slide out of the sliding groove 741, so as to drive the positioning pin 730 to retract into the first channel 711, at this time, under the action of the fourth spring 750, the moving block 760 moves to enable the positioning block 912 to be inserted into the positioning groove 813, so that the positioning pin 730 is fixed in the first channel 711, and further, the limitation on the thimble 340 is released, so that the thimble 340 retracts into the lock box 201 under the action of the second spring 330, and thus, the reset of the lock cylinder 210 is preferably realized; with the above-mentioned structure, it is better to prompt the user whether the thimble 340 triggers the push switch by the reset of the lock cylinder 210, so as to avoid the situation that the lock cylinder 210 is pressed to open the door 110 without cutting off the working circuit in the convergence box body 100.

In this embodiment, the moving block 760 is provided with a limiting portion 913 extending out of the locking block 220, an outer end of the limiting portion 913 is arc-shaped, the outer side surface of the lock box 201 is provided with a limiting groove 771 into which the limiting portion 913 is inserted, and the box door 110 is opened to drive the limiting portion 913 to drive the moving block 760 to retract into the second track 712.

Through the structure in this embodiment, when the positioning block 912 is inserted into the positioning groove 813, the limiting portion 913 of the moving block 760 extends into the limiting groove 771, and at this time, when the box door 110 is opened and closed, the side wall of the limiting groove 771 and the limiting portion 913 are pressed against each other to retract the moving block 760 into the second track 512, so that the positioning block 912 is away from the positioning groove 913 to release the limitation on the positioning pin 730, and the positioning block 912 extends into the second insertion hole 512 again under the action of the third spring 720, thereby preferably achieving the resetting of the positioning pin 730.

In this embodiment, the door 110 is provided with a first mounting slot for mounting the lock body 200, which is better for facilitating the mounting and dismounting of the lock body 200 on the door 110.

In this embodiment, a fixing block 120 is disposed at an opening of the collecting box body 100, and a second mounting groove 121 for mounting the locking block 220 is disposed on the fixing block 120, so as to preferably facilitate the mounting and dismounting of the locking block 220 on the collecting box body 100.

In summary, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides an intelligence convergence device for video monitoring system of transformer substation which characterized in that: the collecting box comprises a collecting box body (100) internally provided with a mounting cavity (100), wherein an opening of a cavity (101) is provided with a box door (110) capable of being opened and closed, and the box door (110) is provided with a switch mechanism; the switch mechanism comprises a lock body (200) arranged in the box door (110) and a lock block (220) which is arranged at the gathering box body (100) and matched with the lock body (200); the lock body (200) comprises a lock box (201), the lock box (201) is provided with a lock body (202), the lock body (202) is internally provided with a lock cylinder (210) which can rotate and stretch into the lock box (201), and the lock cylinder (210) is telescopically arranged in the lock body (202); a telescopic bolt (320) is arranged in the lock box (201), the lock core (210) is used for driving the bolt (320) to retract into the lock box (201), a telescopic thimble (340) is also arranged in the lock box (201), and the lock core (210) is used for driving the thimble (340) to extend out of the lock box (201);

the locking block (220) is provided with a first jack (511) for the bolt (320) to extend into and a second jack (512) for the thimble (340) to extend into, and a button switch used for being matched with the corresponding end of the thimble (340) is arranged in the second jack (512).

2. The intelligent convergence device for the substation video monitoring system according to claim 1, wherein: the lock bolt (320) is arranged in the lock box (201) through the first spring (310), the first spring (310) is used for driving the lock bolt (320) to stretch out of the lock box (201), a groove (411) is formed in the side face, facing the ejector pin (340), of the lock bolt (320), the lock cylinder (210) penetrates through the groove (411), a protruding block (412) is arranged on one side wall of the groove (411), a shifting block (421) matched with the protruding block (412) is arranged on the lock cylinder (210), the lock cylinder (210) rotates to drive the shifting block (421) to extrude the protruding block (412) to drive the lock bolt (320) to retract into the lock box (201), an ejector block (422) with an end face attached to the side face of the ejector pin (340) is arranged at the end portion, located in the lock box (201), of the lock cylinder (210), and a first inclined face (423) is arranged at one end portion of the ejector block (422);

in lock box (201) was located through second spring (330) thimble (340), second spring (330) were used for driving thimble (340) and retract in lock box (201), tip department that thimble (340) lie in lock box (201) is equipped with second inclined plane (341), lock core (210) rotate and move to lock box (201) in be used for driving first inclined plane (423) and second inclined plane (341) and extrude mutually and drive thimble (340) and stretch out lock box (201).

3. The intelligent convergence device for the substation video monitoring system according to claim 2, wherein: a first channel (711) and a second channel (712) which are mutually orthogonally arranged are arranged in the lock block (220) and above the second jack (512), the first channel (711) is communicated with the second jack (512), the second channel (712) and the second jack (512) are arranged in the same direction, a positioning pin (730) with one end extending into the second jack (512) is arranged in the first channel (711) through a third spring (720), the third spring (720) is used for driving the positioning pin (730) to extrude the thimble (340), a sliding groove (741) is arranged on the thimble (340) along the moving direction of the thimble, a first guide inclined plane (742) is arranged on the sliding groove (741), a sliding block (811) extending into the sliding groove (741) is arranged on the positioning pin (730), the sliding block (811) is provided with a second guide inclined surface (812) which is matched with the first guide inclined surface (742) to drive the positioning pin (730) to retract into the first runner (711); a moving block (760) is arranged in the second travelling way (712) through a fourth spring (750), a through groove (911) for the positioning pin (730) to pass through is formed in the moving block (760), a positioning block (912) is arranged in the through groove (911), a positioning groove (813) is formed in the positioning pin (730), the fourth spring (750) is used for driving the moving block (760) to move towards the positioning pin (730), and the positioning pin (730) retracts into the first travelling way (711) and is used for enabling the positioning block (912) to be inserted into the positioning groove (813).

4. The intelligent convergence device for the substation video monitoring system according to claim 3, wherein: the movable block (760) is provided with a limiting part (913) extending out of the lock block (220), the outer end part of the limiting part (913) is arc-shaped, a limiting groove (771) for the limiting part (913) to be clamped in is formed in the outer side face of the lock box (201), and the box door (110) is opened and used for driving the limiting part (913) to drive the movable block (760) to retract into the second travelling way (712).

5. The intelligent convergence device for the substation video monitoring system according to claim 1, wherein: the box door (110) is provided with a first mounting groove for mounting the lock body (200).

6. The intelligent convergence device for the substation video monitoring system according to claim 1, wherein: a fixing block (120) is arranged at an opening of the gathering box body (100), and a second mounting groove (121) for mounting the locking block (220) is formed in the fixing block (120).