CN214895732U

CN214895732U - Voltage transformer opening triangle loop broken string monitoring devices

Info

Publication number: CN214895732U
Application number: CN202120733416.XU
Authority: CN
Inventors: 池占峰
Original assignee: Dalian Shunze Marine Electrical Engineering Co ltd
Current assignee: Dalian Shunze Marine Electrical Engineering Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-26
Anticipated expiration: 2031-04-10

Abstract

The utility model discloses a voltage transformer opening triangle return circuit monitoring devices that breaks, including quick-witted case and link plate, the equal rigid coupling in the left and right sides of machine case has the link plate, monitoring devices is installed to the rear end face of machine case. This voltage transformer opening triangle return circuit broken string monitoring devices, through control panel, signal indicator, the binding post row, mutually support between control switch and the ethernet interface isotructure, can insert the secondary circuit of generating line on the binding post row, set for the serial number and the baud rate of quick-witted case through control panel, rethread signal indicator judges and monitors whether broken string of voltage transformer opening triangle return circuit, through first rectangle piece, the bolt, the diaphragm, the first riser, mutually support between first horizontal pole and the L shaped plate isotructure, can make the L shaped plate rotate in first riser department through first horizontal pole, make the L shaped plate block binding post row, thereby can protect it.

Description

Voltage transformer opening triangle loop broken string monitoring devices

Technical Field

The utility model relates to a power circuit technical field specifically is a voltage transformer opening triangle return circuit broken string monitoring devices.

Background

The open triangular voltage loop of the voltage transformer plays an important role in the normal operation of protection in an electric power system, the false wiring of the open triangular voltage loop can cause the false operation or the rejection of a relay protection device, in the electric power system, the open triangular voltage loop of the PT is important in the protection of the electric power system, if the false wiring of the open triangular voltage loop causes the rejection or the false operation of the protection, the stable and reliable operation of the electric power system is seriously endangered, therefore, the open triangular voltage loop needs to be monitored, and a monitoring device in the prior art cannot timely and accurately send alarm information, so that the risk is increased, and meanwhile, the protection effect on a wiring position in the prior art is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltage transformer opening triangle return circuit broken string monitoring devices to propose in solving above-mentioned background art, and monitoring devices among the prior art can not in time accurately send alarm information, has just so increased the problem of risk.

In order to achieve the above object, the utility model provides a following technical scheme: a voltage transformer opening triangular loop disconnection monitoring device comprises a case and hanging plates, wherein the hanging plates are fixedly connected to the left side and the right side of the case, and a monitoring device is mounted on the rear end face of the case;

the monitoring device comprises a wiring terminal block, a shutter, a control switch and an Ethernet interface;

the rear end face of the wiring terminal row is fixedly connected with the outer wall of the case, a shutter is arranged below the wiring terminal row, the rear end face of the shutter is fixedly connected with the case, a control switch and an Ethernet interface are respectively arranged on the left side and the right side of the shutter, and the rear end faces of the control switch and the Ethernet interface are fixedly connected with the case.

Preferably, a display screen is fixedly connected to the middle of the front end face of the case, a control panel is arranged below the display screen, the rear end face of the control panel is fixedly connected with the case, a signal indicating lamp is arranged on the right side of the display screen, the rear end face of the signal indicating lamp is fixedly connected with the case, the serial port number and the baud rate of the case can be adjusted through the control panel, and then the purpose of monitoring can be achieved through the signal indicating lamp.

Preferably, a protection device is installed on the rear end face of the case;

the protection device comprises a first rectangular block, a bolt, a transverse plate, a first vertical plate, a first transverse rod and an L-shaped plate;

it is a plurality of first rectangle piece passes through the bolt and links to each other with quick-witted case screw thread, the lower surface rigid coupling of first rectangle piece has the diaphragm, the lower surface rigid coupling of diaphragm has a plurality of risers, the inboard rotation of riser is connected with first horizontal pole, the outer wall rigid coupling of first horizontal pole has the L shaped plate.

Preferably, the baffle is installed to the groove of L shaped plate, the outer wall of baffle and the groove inner wall clearance fit of L shaped plate control the outside rigid coupling of baffle has the second horizontal pole, controls the outside rigid coupling of second horizontal pole has the second riser, and the baffle can support it tightly fixedly through the recess of L shaped plate to can protect binding post row and generating line through L shaped plate alright.

Preferably, an elastic device is arranged in the middle of the rear end face of the case;

the elastic device comprises a third vertical plate, a third cross rod, a second rectangular block, a spring, a connecting rod, a lifting ring, a thread rope and a circular block;

the rear end surfaces of the left and right third vertical plates are fixedly connected with the chassis, the inner side of the third vertical plate is fixedly connected with a plurality of third cross rods, the third cross bar is rotationally connected with the second vertical plate through a rotating shaft, a second rectangular block is arranged on the outer wall of the third cross bar, the inner wall of the through hole of the second rectangular block is in clearance fit with the outer wall of the third cross rod, the outer wall of the third cross rod is provided with a spring, the two sides of the spring are respectively fixedly connected with the second rectangular block and the third vertical plate, the front end surface of the second rectangular block is rotationally connected with a connecting rod through a rotating shaft, the inner sides of the left and right connecting rods are rotationally connected with the second vertical plate through rotating shafts, the inner sides of the upper and lower second rectangular blocks are fixedly connected with hanging rings, the outer wall of the lifting ring is fixedly connected with a rope, the outer wall of the rope is in clearance fit with the inner wall of the through hole of the third vertical plate, and the outer side of the rope is fixedly connected with a circular block.

Compared with the prior art, the beneficial effects of the utility model are that: the open triangular loop disconnection monitoring device of the voltage transformer can access a secondary loop of a bus to a wiring terminal row through mutual matching of structures such as a control panel, a signal indicator lamp, the wiring terminal row, a control switch and an Ethernet interface, set a serial port number and a baud rate of a case through the control panel, and judge and monitor whether the open triangular loop of the voltage transformer is disconnected or not through the signal indicator lamp;

through the mutual matching of the structures such as the first rectangular block, the bolt, the transverse plate, the first vertical plate, the first cross rod, the L-shaped plate and the like, the L-shaped plate can rotate at the first vertical plate through the first cross rod, so that the L-shaped plate blocks the wiring terminal row, and the wiring terminal row can be protected;

through mutually supporting between third riser, third horizontal pole, second rectangle piece, spring, connecting rod, rings, cotton rope and the circular block isotructure, can make the elasticity performance that the second rectangle piece passes through the spring drive the connecting rod and rotate, the connecting rod drives the baffle through second riser and second horizontal pole and removes to support the L shaped plate tightly fixedly through the baffle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic structural view of the L-shaped plate, the first cross bar and the first rectangular block of FIG. 2;

fig. 4 is a schematic structural view of the second rectangular block, the connecting rod and the spring in fig. 2.

In the figure: 1. the quick-witted case, 2, the link plate, 3, monitoring devices, 301, the binding post row, 302, the shutter, 303, control switch, 304, the ethernet interface, 4, protector, 401, first rectangle piece, 402, the bolt, 403, the diaphragm, 404, the first riser, 405, first horizontal pole, 406, L shaped plate, 5, resilient means, 501, the third riser, 502, the third horizontal pole, 503, the second rectangle piece, 504, the spring, 505, the connecting rod, 506, rings, 507, the cotton rope, 508, circular piece, 6, the display screen, 7, control panel, 8, signal indicator, 9, the baffle, 10, the second horizontal pole, 11, the second riser.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a voltage transformer opening triangle loop disconnection monitoring device comprises a case 1 and a hanging plate 2, the hanging plate 2 is fixedly connected with the left side and the right side of the case 1, the case 1 can be connected with external equipment through the hanging plate 2, a monitoring device 3 is installed on the rear end face of the case 1, the monitoring device 3 comprises a wiring terminal row 301, a shutter 302, a control switch 303 and an Ethernet interface 304, the rear end face of the wiring terminal row 301 is fixedly connected with the outer wall of the case 1, the shutter 302 is arranged below the wiring terminal row 301, heat dissipation can be carried out through the shutter 302, the rear end face of the shutter 302 is fixedly connected with the case 1, the control switch 303 and the Ethernet interface 304 are respectively arranged on the left side and the right side of the shutter 302, the rear end faces of the control switch 303 and the Ethernet interface 304 are fixedly connected with the case 1, a display screen 6 is fixedly connected in the middle of the front end face of the case 1, and a control panel 7 is arranged below the display screen 6, can adjust the serial port number and the baud rate of quick-witted case 1 through control panel 7, control panel 7's rear end face links to each other with quick-witted case 1 is fixed, and the right side of display screen 6 is equipped with signal indicator 8, and signal indicator 8's rear end face links to each other with quick-witted case 1 is fixed.

The protection device 4 is installed on the rear end face of the case 1, the protection device 4 comprises a first rectangular block 401, bolts 402, a transverse plate 403, a first vertical plate 404, a first cross bar 405 and L-

shaped plates

406, 3 first rectangular blocks 401 are in threaded connection with the case 1 through the bolts 402, the transverse plate 403 is fixedly connected to the lower surface of the first

rectangular block

401, 2 first vertical plates 404 are fixedly connected to the lower surface of the transverse plate 403, a first cross bar 405 is rotatably connected to the inner side of the first vertical plate 404, an L-shaped plate 406 is fixedly connected to the outer wall of the first cross bar 405, the L-shaped plate 406 can rotate at the first vertical plate 404 through the

first cross bar

405, 2 grooves are machined on the left side and the right side of the L-shaped plate 406, baffle plates 9 are installed at the grooves of the L-shaped plate 406, the outer wall of the baffle plate 9 is in clearance fit with the inner walls of the grooves of the L-shaped plate 406, the baffle plates 9 can be tightly fixed through the grooves of the L-shaped plate 406, second cross bars 10 are fixedly connected to the outer sides of the left and the right baffle plates 9, and a second vertical plate 11 is fixedly connected to the outer sides of the left and right second cross rods 10.

An elastic device 5 is arranged in the middle of the rear end face of the case 1, the elastic device 5 comprises a third vertical plate 501, a third cross bar 502, a second rectangular block 503, a spring 504, a connecting rod 505, a hanging ring 506, a rope 507 and a circular block 508, the rear end faces of the left and right third vertical plates 501 are fixedly connected with the case 1, 2 through holes are processed inside the third

vertical plate

501, 2 third cross bars 502 are fixedly connected with the inner side of the third vertical plate 501, the third cross bar 502 is rotatably connected with the second vertical plate 11 through a rotating shaft, the outer wall of the third cross bar 502 is provided with the second rectangular block 503, a through hole is processed inside the second rectangular block 503, the inner wall of the through hole of the second rectangular block 503 is in clearance fit with the outer wall of the third cross bar 502, the outer wall of the third cross bar 502 is provided with the spring 504, two sides of the spring 504 are respectively fixedly connected with the second rectangular block 503 and the third vertical plate 501, and the spring 504 is in a compressed state when the second rectangular block 503 moves towards the third vertical plate 501, the front end face of the second rectangular block 503 is rotatably connected with a connecting rod 505 through a rotating shaft, the inner sides of the left and right connecting rods 505 are rotatably connected with a second vertical plate 11 through a rotating shaft, the connecting rod 505 can drive the second vertical plate 11 to rotate, the inner sides of the upper and lower second rectangular blocks 503 are fixedly connected with a hanging ring 506, the outer wall of the hanging ring 506 is fixedly connected with a rope 507, the outer wall of the rope 507 is in clearance fit with the inner wall of a through hole of the third vertical plate 501, the outer side of the rope 507 is fixedly connected with a circular block 508, and the circular block 508 can drive the hanging ring 506 to move through the rope 507.

In this embodiment, when an operator needs to use the open triangular loop disconnection monitoring device of the voltage transformer, the operator pulls the circular block 508 outward to make the circular block 508 drive the hanging ring 506 to move through the cord 507, the hanging ring 506 drives the connecting rod 505 to move through the second rectangular block 503, the connecting rod 505 drives the first vertical plate 404 to rotate at the third cross bar 502, so that the first vertical plate 404 drives the baffle 9 to move through the second cross bar 10, the baffle 9 leaves the groove of the L-shaped plate 406, and the second rectangular block 503 presses the spring 504 through the third vertical plate 501 to make the spring 504 generate elastic deformation, and rotates the L-shaped plate 406 upward to expose the terminal block 301, and the secondary loop of the bus is connected to the terminal block 301, and then the network interface and the like are connected with the ethernet connector 304, and the control switch 303 is opened, and the serial number and baud rate of the enclosure 1 can be set through the control panel 7, after the communication connection is successful, the signal indicator lamp 8 is normally on, so that whether the open triangular loop of the voltage transformer is broken can be judged and monitored through the signal indicator lamp 8, and finally the circular block 508 is loosened, so that the baffle plate 9 enters the groove of the L-shaped plate 406 through the elastic performance of the spring 504, the L-shaped plate 406 is fixed, and the wiring terminal strip 301, the bus and the like can be protected through the L-shaped plate 406.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a voltage transformer opening triangle return circuit broken string monitoring devices, includes quick-witted case (1) and link plate (2), the equal rigid coupling in the left and right sides of quick-witted case (1) has link plate (2), its characterized in that: a monitoring device (3) is arranged on the rear end face of the case (1);

the monitoring device (3) comprises a wiring terminal block (301), a shutter (302), a control switch (303) and an Ethernet interface (304);

the rear end face of binding post row (301) links to each other with the outer wall of quick-witted case (1) is fixed, the below of binding post row (301) is equipped with shutter (302), the rear end face of shutter (302) links to each other with quick-witted case (1) is fixed, the left and right sides of shutter (302) is equipped with control switch (303) and ethernet interface (304) respectively, the rear end face of control switch (303) and ethernet interface (304) all links to each other with quick-witted case (1) is fixed.

2. The open triangular loop disconnection monitoring device of the voltage transformer according to claim 1, wherein: the middle rigid coupling of the preceding terminal surface of quick-witted case (1) has display screen (6), the below of display screen (6) is equipped with control panel (7), the rear end face of control panel (7) is fixed continuous with quick-witted case (1), the right side of display screen (6) is equipped with signal indication lamp (8), the rear end face of signal indication lamp (8) is fixed continuous with quick-witted case (1).

3. The open triangular loop disconnection monitoring device of the voltage transformer according to claim 1, wherein: a protective device (4) is arranged on the rear end face of the case (1);

the protection device (4) comprises a first rectangular block (401), a bolt (402), a transverse plate (403), a first vertical plate (404), a first transverse rod (405) and an L-shaped plate (406);

it is a plurality of first rectangle piece (401) links to each other through bolt (402) and quick-witted case (1) screw thread, the lower surface rigid coupling of first rectangle piece (401) has diaphragm (403), the lower surface rigid coupling of diaphragm (403) has a plurality of risers (404), the inboard rotation of riser (404) is connected with first horizontal pole (405), the outer wall rigid coupling of first horizontal pole (405) has L shaped plate (406).

4. The open triangular loop disconnection monitoring device of the voltage transformer as claimed in claim 3, wherein: baffle (9) are installed to the groove of L shaped plate (406), the outer wall of baffle (9) and the groove inner wall clearance fit of L shaped plate (406) control the outside rigid coupling of baffle (9) has second horizontal pole (10), controls the outside rigid coupling of second horizontal pole (10) has second riser (11).

5. The open triangular loop disconnection monitoring device of the voltage transformer according to claim 1, wherein: an elastic device (5) is arranged in the middle of the rear end face of the case (1);

the elastic device (5) comprises a third vertical plate (501), a third cross bar (502), a second rectangular block (503), a spring (504), a connecting rod (505), a hanging ring (506), a wire rope (507) and a circular block (508);

controlling the rear end face of third riser (501) and quick-witted case (1) fixed linking to each other, the inboard rigid coupling of third riser (501) has a plurality of third horizontal poles (502), third horizontal pole (502) rotate with second riser (11) through the pivot and link to each other, second rectangular block (503) is installed to the outer wall of third horizontal pole (502), the through-hole department inner wall of second rectangular block (503) and the outer wall clearance fit of third horizontal pole (502), spring (504) is installed to the outer wall of third horizontal pole (502), the both sides of spring (504) respectively with second rectangular block (503) and third riser (501) fixed linking to each other, the preceding terminal surface of second rectangular block (503) is connected with connecting rod (505) through the pivot rotation, control the inboard of connecting rod (505) rotates with second riser (11) through the pivot and links to each other, the inboard of second rectangular block (503) has rings (506) from top to bottom, a rope (507) is fixedly connected to the outer wall of the hanging ring (506), the outer wall of the rope (507) is in clearance fit with the inner wall of the through hole of the third vertical plate (501), and a round block (508) is fixedly connected to the outer side of the rope (507).