CN105889774B

CN105889774B - Lighting device for improving internal fault capability and protection grade of anti-shock switch equipment

Info

Publication number: CN105889774B
Application number: CN201610387158.8A
Authority: CN
Inventors: 曾水新; 黄国兴; 厉彦初; 黄江; 王江勇; 陈亮
Original assignee: Hunan Changgao Senyuan Power Equipment Co ltd
Current assignee: Hunan Changgao Senyuan Power Equipment Co ltd
Priority date: 2016-06-02
Filing date: 2016-06-02
Publication date: 2022-07-22
Anticipated expiration: 2036-06-02
Also published as: CN105889774A

Abstract

The invention discloses a lighting device for improving the internal fault capability and the protection level of an anti-shock switch device, which comprises a shell, wherein the shell comprises an outer small door and a device fixing plate, the device fixing plate is arranged on one side of the outer small door, a lighting lamp abdicating hole is formed in the device fixing plate, and a cabinet body door is arranged between the device fixing plate and the outer small door; the LED illuminating lamp is arranged in the shell, is arranged on the device fixing plate and is positioned at the illuminating lamp abdicating hole; the closing plate is arranged outside the shell and is rotatably arranged on the device fixing plate and positioned at the position of the illuminating lamp abdicating hole; and the control device is used for controlling the LED illuminating lamp and the sealing plate to be opened or closed simultaneously. The invention has the advantages of convenient installation, disassembly and maintenance, safety and reliability, and can meet the requirements of higher internal fault arc test and protection grade.

Description

Lighting device for improving internal fault capability and protection grade of anti-shock switch equipment

Technical Field

The invention relates to the technical field of lighting devices, in particular to a lighting device capable of improving the internal fault capability and the protection level of an anti-shock switch device.

Background

At present, most of high-voltage switch cabinet lighting lamps in the industry are made of plastic materials, a small number of high-voltage switch cabinet lighting lamps are made of metal shells, however, all the lamp shades are made of transparent plastic materials, all the high-voltage switch cabinet lighting lamps are directly fixed on a panel of a high-voltage switch cabinet door body, and the high-voltage switch cabinet lighting lamps are controlled through switch buttons on the panel of the lighting lamps to meet the lighting requirements of the high-voltage switch cabinet. However, such lighting fixtures suffer from the following drawbacks and drawbacks: 1. if the lighting lamp fails and needs to be maintained, the high-voltage switch cabinet needs to be powered off, otherwise, under the condition of high voltage electrification, the lighting lamp mounting hole on the door panel of the high-voltage switch cabinet is exposed without shielding, and the protection grade required by a high-voltage electrical appliance cannot be reached to be more than IP 4X; 2. when the lamp bulb is replaced, the panel of the lamp needs to be opened, and the radiating holes or the metal grids on the transparent plastic lampshade cannot reach the protection grade IP4X required by the high-voltage electrical appliance; 3. the lighting lamp is made of plastic materials, and if internal fault electric arcs occur in the high-voltage switch cabinet, the lighting lamp is burnt and melted from the door body panel under high-speed impact pressure and splashes around at high speed, so that the personal safety of maintenance personnel is seriously influenced.

However, in view of the defects in the prior art, a research and development person needs to develop a lighting device which has the advantages of reasonable design, simple structure, convenient installation, disassembly and maintenance, safety and reliability, and can meet the requirements of higher internal fault arc tests and protection levels and improve the internal fault capability and protection levels of the anti-shock switch device.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide the lighting device which is reasonable in design, simple in structure, convenient to install, disassemble and maintain, safe and reliable, can meet the requirements of higher internal fault arc tests and protection levels, and can improve the internal fault capacity and the protection levels of the anti-shock switch equipment.

In order to solve the technical problems, the invention adopts the following technical scheme:

a lighting device for improving the internal failure capability and protection level of an impact-resistant switchgear, comprising

The shell comprises an outer small door and a device fixing plate, the device fixing plate is arranged on one side of the outer small door, an illuminating lamp abdicating hole is formed in the device fixing plate, and a cabinet body door is arranged between the device fixing plate and the outer small door;

the LED illuminating lamp is arranged in the shell, is arranged on the device fixing plate and is positioned at the illuminating lamp abdicating hole;

the closing plate is arranged outside the shell, is rotatably arranged on the device fixing plate and is positioned at the position of the illuminating lamp abdicating hole;

a controlling means that is used for controlling LED light and closing plate to open simultaneously or close, controlling means includes location type control switch, connecting axle, turning arm, micro-gap switch, axle core, spring and axle core fixed disk, location type control switch sets up the outside that its control end extended to outer little door on outer little door, the connecting axle is installed at location type control switch by the control on serving, the turning arm passes through the axle core setting on the connecting axle, micro-gap switch sets up on the device fixed plate and is located the position corresponding with the turning arm, and lighting source's live wire is connected with the LED light through micro-gap switch, the axle core fixed disk sets up the outside at the axle core, the spring housing is established in the outside of axle core and is located between axle core fixed disk and the axle core.

In a preferred embodiment of the invention, a reverse folding plate is arranged on one side of the outer small door, a plurality of first fixing holes are formed in the reverse folding plate along the length direction of the reverse folding plate, a control end abdicating hole for penetrating through a control end of a positioning type control switch is formed in the middle of the outer small door, and a plurality of second fixing holes corresponding to the first fixing holes one to one are formed in one side of the cabinet body door.

In a preferred embodiment of the present invention, a rotating handle is provided at an end of a control end of the positioning type control switch, and the positioning type control switch is provided on the outer small door through a protective cover.

In a preferred embodiment of the present invention, an insertion groove matched with the controlled end of the insertion positioning type control switch is formed at one end of the connecting shaft, and a square connecting shaft with a square cross section is formed at the other end of the connecting shaft.

In a preferred embodiment of the present invention, the crank arm includes a connector, a connecting rod, and a presser foot, the connector is disposed on one end of the connecting rod, the presser foot is disposed on the other end of the connecting rod, and a connecting hole for sleeving the square connecting shaft is disposed on the connector.

In a preferred embodiment of the invention, a normally closed point contact terminal and a first fire wire terminal connected with an LED lamp are arranged on one side of the microswitch in parallel, a second fire wire terminal connected with the LED lamp is arranged on the lower side of the microswitch, a pressure arm is arranged on the upper side of the microswitch, one end of the pressure arm is arranged on the microswitch, a telescopic contact is arranged on the lower part of the other end of the pressure arm, and the other end of the pressure arm presses downwards to enable the telescopic contact to be retracted into the microswitch so as to enable the first fire wire terminal to be connected with the second fire wire terminal; and the other end of the pressure arm rebounds to enable the telescopic contact to extend out of the micro switch, so that the first live wire terminal and the second live wire terminal are disconnected.

In a preferred embodiment of the invention, one end of the shaft core is provided with a connecting groove matched with the square connecting shaft, and the other end of the shaft core is provided with a threaded counter bore.

In a preferred embodiment of the invention, a turnover plate which is turned over outwards by 90 degrees is arranged on the periphery of the device fixing plate, fixing holes are arranged on the turnover plate at intervals along the length direction of the turnover plate, a shaft core fixing plate abdicating hole is arranged on the device fixing plate, the shaft core fixing plate abdicating hole is positioned above the illuminating lamp abdicating hole, a plurality of fixing columns are arranged on the device fixing plate at intervals along the circumferential direction of the illuminating lamp abdicating hole, and the LED illuminating lamp is arranged on the device fixing plate through the fixing columns.

In a preferred embodiment of the present invention, a position limiting plate for limiting the position of the closing plate is disposed on the outer side of the device fixing plate, a position limiting folded plate is disposed on one side of the position limiting plate, a abdicating hole is disposed in the middle of the position limiting plate, and the closing plate is disposed between the position limiting plate and the device fixing plate.

Compared with the prior art, the structure can meet the requirements of higher internal fault arc tests and protection levels, is convenient to install, disassemble and maintain, is safe and reliable, and further improves the practical performance of the lighting device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural view of the outer wicket of the present invention.

Fig. 3 is a schematic structural diagram of a positioning type control switch according to the present invention.

Fig. 4 is a schematic structural view of the connecting shaft of the present invention.

Fig. 5 is a schematic structural view of the crank arm of the present invention.

Fig. 6 is a schematic structural view of the microswitch of the invention.

Fig. 7 is a schematic structural view of the shaft core of the present invention.

Fig. 8 is a schematic structural view of a fixing plate of the device of the present invention.

Fig. 9 is a schematic structural diagram of a limiting plate of the invention.

FIG. 10 is a schematic view of the construction of the closure panel of the present invention.

Fig. 11 is a rear view of the present invention.

Fig. 12 is a circuit diagram of the present invention.

Fig. 13 is a cross-sectional view of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

Referring to fig. 1, there is shown a lighting device for improving the ability to withstand internal faults and the level of protection of a switchgear, comprising a housing, an LED lighting lamp 1300, a closing plate 1100 and a control device.

The shell comprises an outer small door 100 and a device fixing plate 1000, the device fixing plate 1000 is arranged on one side of the outer small door 100, a lighting lamp abdicating hole 1010 is arranged on the device fixing plate 1000, and a cabinet body door 900 is arranged between the device fixing plate 1000 and the outer small door 100.

Referring to fig. 2, a reverse folding plate 110 is arranged at one side of the outer wicket 100, a plurality of first fixing holes 111 are formed in the reverse folding plate 110 along the length direction of the reverse folding plate, a plurality of second fixing holes 910 which correspond to the first fixing holes 111 one by one are formed in the cabinet body door 900, the outer wicket 100 is fixedly arranged on the cabinet body door 900 by sequentially penetrating the first fixing holes 111 and the second fixing holes 910 through bolts 1400 and being matched with a rivet nut 1500, a sealing gasket 130 is arranged between the outer wicket 100 and the cabinet body door 900, the sealing performance between the outer wicket 100 and the cabinet body door 900 can be effectively improved, and a control end yielding hole 120 for penetrating a control end 210 of a positioning type control switch 200 is formed in the middle of the outer wicket 100.

The LED illuminating lamp 1300 is disposed inside the housing, the LED illuminating lamp 1300 is disposed on the device fixing plate 1000 and located at the position of the lamp receding hole 1010, a plurality of studs 1040 are disposed on the device fixing plate 1000 at intervals in the circumferential direction around the lamp receding hole 1010, and the LED illuminating lamp 1300 is fixedly mounted on the studs 1040 of the device fixing plate 1000 by nuts (see fig. 8).

The sealing plate 1100 is disposed outside the housing, rotatably disposed on the device fixing plate 1000, and located at the lamp escape hole 1010.

The control device is arranged in the shell and used for controlling the LED illuminating lamp 1300 and the sealing plate 1100 to be opened or closed simultaneously, and the control device comprises a positioning type control switch 200, a connecting shaft 400, a crank arm 500, a micro switch 300, a shaft core 600, a spring 700 and a shaft core fixing disc 800.

Referring to fig. 3, a control terminal 210 is provided at one side of a positioning type control switch 200, a controlled terminal 220 is provided at the other side, the positioning type control switch 200 is provided on the outer wicket 100, the control terminal 210 extends to the outer side of the outer wicket 100, a rotating handle 240 is provided at the end of the control terminal 210, a signboard 1800 is adhered to the outer wicket 100 at a position corresponding to the rotating handle 240, characters of "on" and "off" are marked on the signboard 1800, and the positioning type control switch 200 is provided on the outer wicket 100 through a protective cover 230.

Referring to fig. 4, an insertion groove 410 matched with the controlled end 220 of the positioning type control switch 200 is formed at one end of the connecting shaft 400, the controlled end 220 of the positioning type control switch 200 is inserted into the insertion groove 410, and a square connecting shaft 420 having a square cross section is formed at the other end of the connecting shaft 400.

Referring to fig. 5, the crank arm 500 includes a connector 510, a connecting rod 520 and a presser foot 530, the connector 510 is disposed at one end of the connecting rod 520, the presser foot 530 is disposed at the other end of the connecting rod 520, and the connector 510 is provided with a connecting hole 511 for being sleeved on the square connecting shaft 420.

Referring to fig. 6, mounting hole 360 has been seted up on micro-gap switch 300, pass mounting hole 360 through the bolt and with micro-gap switch 300 fixed mounting on device fixed plate 1000, be provided with normally closed point contact terminal 310 side by side and connect the first live wire terminal 320 of LED light (normally open contact terminal) in one side of micro-gap switch 300, be equipped with at micro-gap switch's downside and connect LED light second live wire terminal 330 (normally open normally closed common terminal), be equipped with pressure arm 340 at micro-gap switch 300's upside, the one end setting of pressure arm 340 is on micro-gap switch 300, the lower part of the other end is equipped with telescopic contact 350.

A live wire 1900a of a power supply connected with the LED lighting lamp 1300 is connected with the first live wire terminal 320, the second live wire terminal 330 is connected with the LED lighting lamp 1300 through a wire 1900, and a null wire 2000 of the power supply is directly connected with the LED lighting lamp 1300 (refer to fig. 12), when the operation is performed, the rotating handle 240 is rotated to indicate the turning-on state on the indication board 1800, so that the other end of the pressing arm 340 is controlled to be pressed down, the telescopic contact 350 is retracted into the micro switch 300, and the first live wire terminal 320 is connected with the second live wire terminal 330; reverse rotation of the rotary handle 240 causes it to indicate off on the sign 1800, thereby causing the other end of the press arm 340 to rebound, causing the flex contact 350 to extend outside of the microswitch 300, disconnecting the first fire wire terminal 320 from the second fire wire terminal 330.

Referring to fig. 7, a connection groove 610 matching with the square connection shaft 420 is formed at one end of the shaft core 600, when the shaft core is installed, the square connection shaft 420 is inserted into the connection groove 610, and a threaded counter bore 620 is formed at the other end of the shaft core 600.

Referring to fig. 8, a foldable plate 1020 folded outward by 90 ° is disposed around the device fixing plate 1000, fixing holes 1021 are disposed on the foldable plate 1000 at intervals along a length direction thereof, and the device fixing plate 1000 is fixedly mounted on the cabinet door 900 by passing through the fixing holes 1021 through bolts.

Axle core fixed disk 800 sets up the outside at axle core 600, spring 700 cover is established in the outside of axle core 600 and is located between axle core fixed disk 800 and the axle core 600, axle core fixed disk hole 1030 of stepping down has been seted up on device fixed plate 1000, axle core fixed disk hole 1030 of stepping down is located the light hole 1010 top of stepping down, the external screw thread has been seted up on the surface of axle core 600, during the installation, axle core fixed disk hole 1030 of stepping down is passed to the one end of axle core fixed disk 80, fix the installation of axle core fixed disk 800 on device fixed plate 1000 through the external screw thread fit of fastening nut 1600 and axle core fixed disk 800.

Referring to fig. 9, a limiting plate 1200 for limiting the position of the sealing plate 1100 is disposed at the outer side of the apparatus fixing plate 1000, a limiting flap 1220 is disposed at one side of the limiting plate 1200, an abdicating hole 1210 is disposed at the middle of the limiting plate 1200, the sealing plate 1100 is disposed between the limiting plate 1200 and the apparatus fixing plate 1000, the limiting plate 1200 can limit the rotation angle of the sealing plate 1100, and the maximum rotation angle of the sealing plate 1100 is 60 °.

Referring to fig. 10, a mounting hole 1110 is formed in the sealing plate 1100, and the sealing plate 1100 is mounted to the threaded counterbore 620 at the other end of the core 600 by bolts passing through the mounting hole 1110.

The specific operation of the invention is as follows:

referring to fig. 11-13, when the rotating handle 240 on the outer small door 100 rotates to the position of closing on the indication board 1800, the closing plate 1100 is driven to rotate to the illuminating lamp abdicating hole 1010 and seal the same, the presser foot 530 of the crank arm 500 leaves the presser arm 340 of the micro switch 300, so that the telescopic contact 350 is bounced, the first fire wire terminal 320 is disconnected from the second fire wire terminal 330, and the LED illuminating lamp 1300 is turned off; when the rotating handle 240 on the outer small door 100 rotates to the position opened on the indication plate 1800, the closing plate 1100 is driven to rotate away from the illuminating lamp abdicating hole 1010, the pressing foot 530 of the crank arm 500 is pressed tightly on the pressing arm 340 of the micro switch 300, so that the telescopic contact 350 is retracted into the micro switch 300, the first fire wire terminal 320 is connected with the second fire wire terminal 330, and the illuminating lamp is turned on.

However, during normal use, the sealing plate 1100 is a closed body, when in inspection, the rotating handle 240 is rotated to open the sealing plate 1100, the internal condition of the cabinet can be checked, after the checking, the rotating handle 240 is rotated to close the sealing plate 1100, even if the lamp is forgotten to be turned off during normal use, the metal isolation of the outer small door 100 can also ensure the personal safety, when the lighting lamp is maintained or replaced, the rotating handle 240 is rotated to the position where the lamp is turned off on the indicator 1800, the outer small door 100 is opened, and the sealing plate 1100 is closed, so that the lighting lamp can be maintained or replaced by being isolated from high-voltage electricity, and the personal safety is ensured.

In conclusion, the lighting device can meet the requirements of higher internal fault arc tests and protection levels by adopting the structure, is convenient to install, disassemble and maintain, is safe and reliable, and further improves the practical performance of the lighting device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lighting device for improving the internal fault capability and protection level of an anti-shock switch device is characterized by comprising

The cabinet door comprises a cabinet body and a cabinet body, wherein the cabinet body is provided with a cabinet body door body, the cabinet body door body is provided with a cabinet body door body, and the cabinet body door body is arranged between the cabinet body door body and the cabinet body door body;

the control device is used for controlling the LED illuminating lamp and the sealing plate to be opened or closed simultaneously, and comprises a positioning type control switch, a connecting shaft, a connecting lever, a microswitch, a shaft core, a spring and a shaft core fixing disc, wherein the positioning type control switch is arranged on the outer small door, the control end of the positioning type control switch extends to the outer side of the outer small door, the connecting shaft is arranged at the controlled end of the positioning type control switch, the connecting lever is arranged on the connecting shaft through the shaft core, the microswitch is arranged on a device fixing plate and is positioned at a position corresponding to the connecting lever, a live wire of an illuminating power supply is connected with the LED illuminating lamp through the microswitch, the shaft core fixing disc is arranged at the outer side of the shaft core, and the spring is sleeved at the outer side of the shaft core and is positioned between the shaft core fixing disc and the shaft core;

a reverse folding plate is arranged on one side of the outer small door, a plurality of first fixing holes are formed in the reverse folding plate along the length direction of the reverse folding plate, a control end abdicating hole used for penetrating through a control end of a positioning type control switch is formed in the middle of the outer small door, and a plurality of second fixing holes corresponding to the first fixing holes one to one are formed in one side of the cabinet body door;

the end part of the control end of the positioning type control switch is provided with a rotating handle, and the positioning type control switch is arranged on the outer small door through a protective cover.

2. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 1, wherein: one end of the connecting shaft is provided with an inserting groove matched with the controlled end of the inserting positioning type control switch, and the other end of the connecting shaft is provided with a square connecting shaft with a square cross section.

3. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 2, wherein: the crank arm comprises a connector, a connecting rod and a presser foot, the connector is arranged at one end of the connecting rod, the presser foot is arranged at the other end of the connecting rod, and a connecting hole used for being sleeved on the square connecting shaft is formed in the connector.

4. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 3, wherein: a normally closed point contact terminal and a first fire wire terminal connected with an LED lamp are arranged on one side of the microswitch in parallel, a second fire wire terminal connected with the LED lamp is arranged on the lower side of the microswitch, a pressing arm is arranged on the upper side of the microswitch, one end of the pressing arm is arranged on the microswitch, a telescopic contact is arranged on the lower portion of the other end of the pressing arm, and the other end of the pressing arm presses downwards to enable the telescopic contact to be retracted into the microswitch so that the first fire wire terminal is connected with the second fire wire terminal; and the other end of the pressure arm rebounds to enable the telescopic contact to extend out of the micro switch, so that the first live wire terminal and the second live wire terminal are disconnected.

5. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 2, wherein: one end of the shaft core is provided with a connecting groove matched with the square connecting shaft, and the other end of the shaft core is provided with a threaded counter bore.

6. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 1, wherein: the device fixing plate is provided with a turnover plate which is turned over outwards by 90 degrees at the periphery, the turnover plate is provided with fixing holes at intervals along the length direction, the device fixing plate is provided with shaft core fixing plate yielding holes, the shaft core fixing plate yielding holes are located above the lighting lamp yielding holes, a plurality of fixing columns are arranged on the device fixing plate at intervals along the circumferential direction of the lighting lamp yielding holes, and the LED lighting lamp is arranged on the device fixing plate through the fixing columns.

7. A lighting device for improving the capability of resisting internal faults and the protection level of switch equipment according to claim 1, wherein: the device comprises a device fixing plate and is characterized in that a limiting plate used for limiting the position of a closing plate is arranged on the outer side of the device fixing plate, a limiting folded plate is arranged on one side of the limiting plate, a yielding hole is formed in the middle of the limiting plate, and the closing plate is arranged between the limiting plate and the device fixing plate.