CN210577164U

CN210577164U - Protection device for large-capacity transformer

Info

Publication number: CN210577164U
Application number: CN202020461859.3U
Authority: CN
Inventors: 代俊花; 常健
Original assignee: Shandong Yiyang Electrical Co ltd
Current assignee: Shandong Yiyang Electrical Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-05-19
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a protection device for a large-capacity transformer, which comprises a door body mechanism and a protection cabinet, wherein the door body mechanism is movably connected with the protection cabinet through a hinge; install cooling fan in the inner chamber of protection cabinet, and be provided with the radiator-grid on the outer wall of protection cabinet for can cool down high-voltage relay inside effectively, when having avoided using high-voltage relay for a long time, inside contact block is impaired because of high temperature, has improved operational reliability, prolongs high-voltage relay's life, thereby prolongs large capacity transformer's life. The device is through the up end at the mount pad installation trouble response lamp, and trouble response lamp electric connection fault alarm ware for the device can in time give the warning when the transformer breaks down, avoids influencing the normal operating of transformer and even takes place some incident because of the trouble, thereby threatens people's life safety.

Description

Protection device for large-capacity transformer

Technical Field

The utility model relates to a power equipment technical field specifically is a protection device that large capacity transformer was used.

Background

Transformers have been developed primarily with protective devices to protect electrical systems and their components (generators, transformers, transmission lines, etc.) from damage. The basic tasks are: when the power system has faults or abnormal working conditions, fault equipment is automatically cut off from the system in the shortest possible time and the smallest possible area, or signals are sent out to eliminate the sources of the abnormal working conditions by operators on duty, so that the damage of the equipment is reduced or avoided.

The existing protection device for the large-capacity transformer is mostly inconvenient to operate, poor in heat dissipation performance, slightly complex in design structure, short of alarm equipment, incapable of monitoring abnormal conditions in the device in due time, low in intelligent level, and poor in self sealing and safety performance.

Aiming at the problems and challenges, the protection device for the large-capacity transformer has the advantages of convenience in operation, good heat dissipation performance, simple design structure, timeliness in alarming, capability of timely monitoring abnormal conditions in the device, high intelligent level, good sealing and safety performance and the like.

Disclosure of Invention

In order to achieve the above object, the utility model provides a following technical scheme: a protection device for a large-capacity transformer comprises a door body mechanism and a protection cabinet, wherein the door body mechanism is movably connected with the protection cabinet through a hinge, the door body mechanism comprises a hinge, a door body and a PLC (programmable logic controller) control panel, the PLC control panel is fixedly arranged on the front end face of the door body and consists of a display screen, a control button and a first safety switch, and a fault alarm and a handle are arranged on the outer wall of the door body;

the protection cabinet comprises a first motor, a cooling fan, a power distribution cabinet, conduction equipment, mounting holes, a second motor and a cooling net, wherein the first motor, the second motor and the cooling net are all arranged on the outer wall of the protection cabinet, and the cooling fan, the power distribution cabinet, the conduction equipment and the mounting holes are respectively arranged in the inner cavity of the protection cabinet.

Further, the conduction equipment comprises a plug wire bus bar and a wire, a plurality of first binding posts are arranged on the front end face of the plug wire bus bar, a plurality of through holes are machined in the upper end face and the lower end face of the plug wire bus bar, and the plug wire bus bar is electrically connected with the power distribution cabinet through the wire.

Further, be connected with wire holder and main switch on the one side outer wall of switch board respectively, and the preceding terminal surface of switch board is provided with USB wiring mouth, USB wiring mouth electric connection external power source.

Furthermore, the main switch comprises a mounting seat, a second binding post and a second safety switch, wherein a fault induction lamp is mounted on the upper end face of the mounting seat, and the fault induction lamp is electrically connected with the fault alarm.

Furthermore, an electronic monitoring eye is further installed in the inner cavity of the protection cabinet and is electrically connected with the display screen.

Furthermore, an insulating sealing layer is arranged at the joint of the protection cabinet and the door body, and the insulating sealing layer is made of polytetrafluoroethylene materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this protection device that large capacity transformer was used, the up end at the mount pad installs trouble induction lamp, trouble induction lamp electric connection trouble alarm for the device can in time give the warning when the transformer breaks down, avoids influencing the normal operating of transformer and even takes place some incident because of the trouble, thereby threatens people's life safety.

2. This protection device that large capacity transformer was used still installs the electronic monitoring eye in the inner chamber of protection cabinet, electronic monitoring eye electric connection display screen for operating personnel can monitor the environment in the device in real time, in case break down or other accidents, can in time repair, falls the loss to the minimizing, has also improved the security and the practicality of device, compares with the device of the same kind, and factor of safety is higher.

3. This protection device that large capacity transformer was used installs the insulating sealing layer in the junction of protection cabinet and the door body, and the material of insulating sealing layer is the polytetrafluoroethylene material for protection cabinet and door body coupling are inseparabler, avoid taking place the electric leakage danger, and after the trouble takes place, the maintainer can reduce the emergence of incident when getting into the interior repair equipment of device, has ensured their self safety, has also prolonged the life of device, the cost is reduced.

4. This protection device that large capacity transformer was used installs cooling fan in the inner chamber of protection cabinet, and is provided with the radiator-grid on the outer wall of protection cabinet for can be effectively to the inside cooling that cools down of high voltage relay, when having avoided long-term use high voltage relay, inside contact piece is impaired because of high temperature, has improved operational reliability, prolongs high voltage relay's life, thereby prolongs large capacity transformer's life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the connection structure between the power distribution cabinet and the main switch of the present invention;

fig. 4 is a schematic structural diagram of the main switch of the present invention;

fig. 5 is a schematic structural diagram of the conduction device of the present invention.

In the figure: 1. a door body mechanism; 11. a hinge; 12. a door body; 121. a fault alarm; 122. a handle; 13. a PLC control panel; 131. a display screen; 132. a control button; 133. a first safety switch; 2. a protection cabinet; 21. a first motor; 22. a heat radiation fan; 23. a power distribution cabinet; 231. a wire holder; 232. a main switch; 2321. a mounting seat; 23211. a fault-sensitive light; 2322. a second terminal; 2323. a second safety switch; 233. a USB wiring port; 24. a conducting device; 241. a plug wire busbar; 2412. a through hole; 2411. a first terminal post; 242. a wire; 25. mounting holes; 26. a second motor; 27. a heat-dissipating web; 28. an electronic monitoring eye; 29. and an insulating sealing layer.

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. 1-2, a protection device for a high-capacity transformer includes a door mechanism 1 and a protection cabinet 2, the door mechanism 1 is movably connected to the protection cabinet 2 through a hinge 11, the door mechanism 1 includes a hinge 11, a door 12 and a PLC control panel 13, the PLC control panel 13 is fixedly disposed on the front end face of the door 12, the PLC control panel 13 is composed of a display screen 131, a control button 132 and a first safety switch 133, and a fault alarm 121 and a handle 122 are disposed on the outer wall of the door 12.

Referring to fig. 2, a protection device for a high-capacity transformer, a protection cabinet 2 includes a first motor 21, a heat dissipation fan 22, a power distribution cabinet 23, a conduction device 24, a mounting hole 25, a second motor 26 and a heat dissipation net 27, the first motor 21, the second motor 26 and the heat dissipation net 27 are all disposed on an outer wall of the protection cabinet 2, and the heat dissipation fan 22, the power distribution cabinet 23, the conduction device 24 and the mounting hole 25 are respectively mounted in an inner cavity of the protection cabinet 2; an electronic monitoring eye 28 is further installed in the inner cavity of the protection cabinet 2, and the electronic monitoring eye 28 is electrically connected with the display screen 131; an insulating sealing layer 29 is installed at the joint of the protection cabinet 2 and the door body 12, and the insulating sealing layer 29 is made of polytetrafluoroethylene materials.

Referring to fig. 3-4, in a protection device for a high-capacity transformer, an outer wall of one side of a power distribution cabinet 23 is respectively connected with a wire holder 231 and a main switch 232, and a front end surface of the power distribution cabinet 23 is provided with a USB wire connection port 233, the USB wire connection port 233 being electrically connected with an external power supply; the main switch 232 is composed of a mounting base 2321, a second terminal 2322 and a second safety switch 2323, a fault induction lamp 23211 is installed on the upper end face of the mounting base 2321, and the fault induction lamp 23211 is electrically connected to the fault alarm 121.

Referring to fig. 5, in a protection device for a high-capacity transformer, a conducting device 24 is composed of a plug-in bus bar 241 and a conducting wire 242, a plurality of first binding posts 2411 are disposed on a front end surface of the plug-in bus bar 241, a plurality of through holes 2412 are processed on upper and lower end surfaces of the plug-in bus bar 241, and the plug-in bus bar 241 is electrically connected to a power distribution cabinet 23 through the conducting wire 242.

In summary, the following steps: according to the protection device for the high-capacity transformer, the PLC control panel 13 is fixedly arranged on the front end face of the door body 12, and the fault alarm 121 and the handle 122 are arranged on the outer wall of the door body 12; the first motor 21, the second motor 26 and the heat dissipation net 27 are all arranged on the outer wall of the protection cabinet 2, and the heat dissipation fan 22 is arranged in the inner cavity of the protection cabinet 2, so that the interior of the high-voltage relay can be effectively cooled, the contact block in the high-voltage relay is prevented from being damaged due to high temperature when the high-voltage relay is used for a long time, the working reliability is improved, the service life of the high-voltage relay is prolonged, and the service life of the high-capacity transformer is prolonged; a fault induction lamp 23211 is installed on the upper end surface of the installation seat 2321, and the fault induction lamp 23211 is electrically connected with the fault alarm 121, so that the device can give an alarm in time when the transformer fails, and the phenomenon that the normal operation of the transformer is influenced by the fault and even some safety accidents occur is avoided, and the life safety of people is threatened; an electronic monitoring eye 28 is further arranged in the inner cavity of the protection cabinet 2, the electronic monitoring eye 28 is electrically connected with the display screen 131, so that an operator can monitor the environment in the device in real time, and once a fault or other accidents happen, the environment can be repaired in time, the loss is reduced to the minimum, the safety and the practicability of the device are improved, and the safety coefficient is higher compared with the similar devices; install insulating sealing layer 29 in the junction of protection cabinet 2 and door body 12, and insulating sealing layer 29's material is polytetrafluoroethylene material for what protection cabinet 2 and door body 12 were connected is inseparabler, avoids taking place the electric leakage danger, and after the trouble takes place, the maintainer can reduce the emergence of incident when getting into the interior repair equipment of device, has ensured their self safety, has also prolonged the life of device, the cost is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 protection device that large capacity transformer used, includes door body mechanism (1) and protection cabinet (2), and door body mechanism (1) passes through hinge (11) swing joint protection cabinet (2), its characterized in that: the door mechanism (1) comprises a hinge (11), a door body (12) and a PLC control panel (13), the PLC control panel (13) is fixedly arranged on the front end face of the door body (12), the PLC control panel (13) consists of a display screen (131), a control button (132) and a first safety switch (133), and a fault alarm (121) and a handle (122) are arranged on the outer wall of the door body (12);

protection cabinet (2) include first motor (21), cooling fan (22), switch board (23), conduction equipment (24), mounting hole (25), second motor (26) and radiator-grid (27), and first motor (21), second motor (26) and radiator-grid (27) all set up on the outer wall of protection cabinet (2), install cooling fan (22), switch board (23), conduction equipment (24) and mounting hole (25) in the inner chamber of protection cabinet (2) respectively.

2. A protection device for a large capacity transformer as claimed in claim 1, wherein: the conduction equipment (24) is arranged (241) and wire (242) by the plug wire and is constituteed, and the preceding terminal surface that the plug wire was arranged (241) is provided with a plurality of first terminal (2411), and the upper and lower both ends face that the plug wire was arranged (241) all processes has a plurality of through-holes (2412), and the female switch board (23) of being connected through wire (242) electric connection of plug wire is arranged (241).

3. A protection device for a large capacity transformer as claimed in claim 1, wherein: the switch board is characterized in that a wire holder (231) and a main switch (232) are connected to the outer wall of one side of the switch board (23) respectively, a USB wiring port (233) is formed in the front end face of the switch board (23), and the USB wiring port (233) is electrically connected with an external power supply.

4. A protection device for a large capacity transformer as claimed in claim 3, characterized in that: the main switch (232) is composed of a mounting seat (2321), a second wiring terminal (2322) and a second safety switch (2323), a fault induction lamp (23211) is mounted on the upper end face of the mounting seat (2321), and the fault induction lamp (23211) is electrically connected with the fault alarm (121).

5. A protection device for a large capacity transformer as claimed in claim 1, wherein: still install electron monitoring eye (28) in the inner chamber of protection cabinet (2), electron monitoring eye (28) electric connection display screen (131).

6. A protection device for a large capacity transformer as claimed in claim 1, wherein: an insulating sealing layer (29) is installed at the joint of the protection cabinet (2) and the door body (12), and the insulating sealing layer (29) is made of polytetrafluoroethylene materials.