CN217361316U

CN217361316U - PLC power supply protection device

Info

Publication number: CN217361316U
Application number: CN202220412762.2U
Authority: CN
Inventors: 陈晓琪; 李遥; 叶邦端; 刘煌彬; 张�杰
Original assignee: Xiamen Muyun Data Technology Co ltd
Current assignee: Xiamen Muyun Data Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-02
Anticipated expiration: 2032-02-28

Abstract

The utility model belongs to the technical field of PLC power supply protection equipment, especially, relate to a PLC power supply protection device for solve the problem that current protection equipment is not convenient for carry out the vary voltage protection to the voltage of power. The utility model provides a PLC power supply protection device, it is including the protection cabinet, a transformer, heat dissipation mechanism, elevating system and pushing mechanism, the transformer is installed on the guide rail that the inside upper left side of protection cabinet was equipped with, the transformer both ends are connected with outer power and PLC power electricity respectively, a plurality of louvre has evenly been seted up on the right-hand member lateral wall of protection cabinet, heat dissipation mechanism passes through installing on the right-hand member inner wall of protection cabinet of elevating system liftable, heat dissipation mechanism's lower extreme is connected with the actuating lever transmission that pushing mechanism was equipped with, be equipped with the dust removal mechanism who is used for getting rid of the floating dust on the right-hand member outer wall of protection cabinet, dust removal mechanism is connected with pushing mechanism's actuating lever transmission.

Description

PLC power supply protection device

Technical Field

The utility model belongs to the technical field of PLC mains operated protection equipment, especially, relate to a PLC mains operated protection device.

Background

The PLC generally refers to a programmable logic controller, which is a digital operation electronic system specially designed for application in an industrial environment, and is widely used in the field of electrical automation, and can improve the production and processing efficiency of equipment, and operate stably with high accuracy.

In the process of supplying power to the PLC power supply, the situation that the equipment is blocked in operation is avoided for power supply stability, and therefore a protection device is required to be used for protecting the PLC power supply equipment. Common protection device is not convenient for carry out the vary voltage protection to the voltage of power on the market at present, and the radiating effect is unsatisfactory, and the device is inside to get into the dust easily simultaneously, brings inconvenience for the cleaning work of device. Therefore, it is urgently needed to improve the existing protection device and provide a power supply protection device for a PLC power supply.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of existence among the prior art, provide a reasonable in design, simple structure can carry out the PLC mains operated protection device of vary voltage protection to the voltage of power for solve the voltage of being not convenient for that exists among the prior art and carry out the vary voltage protection to the voltage of power, and the radiating effect is unsatisfactory, the inside dust that gets into easily of device simultaneously, the cleaning work of giving the device brings inconvenient scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PLC power supply protection device, its includes protection cabinet, transformer, heat dissipation mechanism, elevating system and pushing mechanism, the transformer is installed on the guide rail that the inside upper left side of protection cabinet was equipped with, and the transformer both ends are connected with outer power and PLC power electricity respectively, a plurality of louvre has evenly been seted up on the right-hand member lateral wall of protection cabinet, the installation that heat dissipation mechanism passes through the elevating system liftable is on the right-hand member inner wall of protection cabinet, and the lower extreme of heat dissipation mechanism is connected with the actuating lever transmission that pushing mechanism was equipped with, be equipped with the dust removal mechanism who is used for getting rid of the floating dust on the right-hand member outer wall of protection cabinet, dust removal mechanism is connected with pushing mechanism's actuating lever transmission.

Preferably, elevating system includes two locating levers, and two locating lever intervals set up on the right-hand member inner wall of protection cabinet and along longitudinal extension, and one side that two locating levers are relative corresponds sets up the tooth form structure that the dislocation distributes, is equipped with the meshing of more than one connecting block between two locating levers and connects.

Preferably, heat dissipation mechanism includes the mounting bracket, corresponds every connecting block on the mounting bracket and all rotates and wear to be equipped with along the pivot of controlling the direction extension, the right-hand member and the connecting block fixed connection of pivot, and the left end week side fixed mounting of pivot has a plurality of flabellum.

Preferably, the upper end and the lower end of the mounting frame are respectively provided with an upper fixing block and a lower fixing block, the number of the connecting blocks and the number of the rotating shafts are two, and the two rotating shafts respectively rotate to penetrate through the upper fixing block and the lower fixing block.

Preferably, the pushing mechanism comprises a pushing rod, a connecting rod, a driving rod and a driving motor, the driving motor is fixedly installed on the outer wall of the right end of the protection cabinet, the driving rod is rotatably arranged on the side wall of the right end of the protection cabinet in a penetrating mode, the right end of the driving rod is fixedly connected with an output shaft of the driving motor, the left end of the driving rod is fixedly connected with one end of the connecting rod, and the other end of the connecting rod is hinged to the two ends of the pushing rod respectively with the lower end of the heat dissipation mechanism.

As preferred, dust removal mechanism includes the drive frame, lifter and stop collar, and it has a plurality of to be used for clearing up the clearance brush of protection cabinet right-hand member outer wall louvre to distribute along longitudinal separation, and the bottom of drive frame corresponds pushing mechanism's actuating lever right-hand member and is equipped with square frame column structure, and the installation that passes through the liftable stop collar respectively on the right-hand member outer wall of protection cabinet of the left and right sides of square frame column structure, and the lifter sets up in square frame column structure, the one end of lifter and the right-hand member fixed connection of actuating lever, and the other end of lifter is used for promoting square frame column structure and goes up and down.

Preferably, a heat dissipation plate is arranged on the side wall of the right end of the protection cabinet, and a plurality of heat dissipation holes are uniformly formed in the heat dissipation plate.

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

in the scheme of the utility model:

1. through the transformer and the heat dissipation mechanism that set up, through the installation that sets up of transformer, can realize providing the vary voltage protection to the PLC power to through the in-process that fixed block and lower fixed block go up and down in the control, through the locating lever, the connecting block at both ends drives pivot and flabellum rotation about can making, can make the outside air in the inside circulation of protection cabinet, realize the quick heat dissipation to transformer and other electrical apparatus.

2. Through the dust removal mechanism who sets up, at the rotatory in-process of actuating lever drive stripper bar, the stripper bar can extrude the mounting bracket and drive the clearance brush rebound, and when the stripper bar was rotatory to the bottom, its self gravity of mounting bracket accessible moved down and resets to at the in-process that the mounting bracket drove the reciprocal lift of clearance brush, can scrape the clearance to adnexed dust on the heating panel right-hand member face, avoid the dust that floats to get into and bring inconvenience for the clearance work in the protection cabinet.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and the following description will be made with reference to the drawings:

fig. 1 is a schematic view of a front-view cross-sectional structure of the PLC power supply protection device of the present invention;

FIG. 2 is a schematic view of a side view of the connection between the protection cabinet and the heat dissipation plate of the present invention;

fig. 3 is a schematic structural view of the heat dissipation mechanism of the present invention;

fig. 4 is a schematic structural view of the working state of the connecting rod and the driving rod of the present invention;

FIG. 5 is a schematic side view of the connection between the mounting frame and the cleaning brush of the present invention;

fig. 6 is a schematic view of the whole structure of the driving rod and the extrusion rod of the present invention.

In the figure:

1. a protection cabinet; 2. a guide rail; 3. a transformer; 4. positioning a rod; 5. connecting blocks; 6. a rotating shaft; 7. an upper fixed block; 8. a fan blade; 9. a mounting frame; 10. a lower fixed block; 11. a push rod; 12. a connecting rod; 13. a drive rod; 14. a drive motor; 15. an extrusion stem; 16. a mounting frame; 17. a position limiting sleeve; 18. cleaning brushes; 19. a heat sink.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings, in which:

as shown in one of fig. 1-6, the PLC power supply protection device of the present invention includes a protection cabinet 1, a transformer 3, a heat dissipation mechanism, a lifting mechanism and a pushing mechanism, wherein the transformer 3 is installed on a guide rail 2 disposed at the upper left inside the protection cabinet 1, and under the action of the guide rail 2, it is convenient for the installation of the supporting electrical appliance, two ends of the transformer 3 are respectively electrically connected with an external power supply and a PLC power supply, and the transformer 3 is disposed to facilitate the transformation protection of the PLC power supply; the side wall of the right end of the protection cabinet 1 is provided with a heat dissipation plate 19, heat dissipation holes are uniformly distributed in the heat dissipation plate 19, the heat dissipation plate 19 is used for facilitating the exchange of internal air and external air for the protection cabinet 1, a heat dissipation mechanism is arranged on the inner wall of the right end of the protection cabinet 1 in a lifting way through a lifting mechanism, the lifting mechanism comprises a positioning rod 4 fixedly connected with the inner wall of the right end of the protection cabinet 1, the positioning rod 4 and the heat dissipation plate 19 are arranged at intervals, a connecting block 5 is arranged at the inner side of the positioning rod 4, a heat dissipation mechanism used for dissipating heat in the cabinet body is arranged at the inner side of the positioning rod 4, the heat dissipation mechanism is connected with the connecting block 5, the rapid heat dissipation of the transformer 3 and other electrical appliances is facilitated through the arrangement of the heat dissipation mechanism, the bottom of the heat dissipation mechanism is provided with a mounting frame 9, the lower end of the mounting frame 9 is fixedly connected with a lower fixing block 10, and the bottom of the lower fixing block 10 is provided with a pushing mechanism for expanding the heat dissipation range, at pushing mechanism's setting, can adjust the expansion to the heat dissipation scope, the actuating lever 13 transmission that lower fixed block 10 lower extreme and pushing mechanism were equipped with is connected, be equipped with the dust removal mechanism who is used for getting rid of the floating dust on the right-hand member outer wall of protection cabinet 1, dust removal mechanism is connected with pushing mechanism's actuating lever 13 transmission, under the effect of dust removal mechanism, can scrape the clearance to the floating dust of adhering to at heating panel 19 surface, avoid floating dust to get into inside the inconvenience of causing the cleaning work of protection cabinet 1.

As a preferred embodiment, on the basis of above-mentioned structure, it is further, elevating system includes two locating levers 4 that the interval set up, two locating levers 4 are along the right-hand member inner wall longitudinal extension of protection cabinet, two locating levers 4 set up along the fore-and-aft direction symmetry about the axis of connecting block 5, one side that two locating levers 4 are close to each other is provided with the tooth column structure of dislocation distribution, and locating lever 4 is connected for the meshing with the connected mode of connecting block 5, this design is convenient for drive connecting block 5 and pivot 6 rotation through locating lever 4.

As a preferred embodiment, on the basis of the above structure, further, the heat dissipation mechanism includes a mounting bracket 9, a rotating shaft 6 extending along the left-right direction is rotatably arranged on the mounting bracket 9 corresponding to each connecting block 5, the right end of each rotating shaft 6 is fixedly connected to the left side of the corresponding connecting block 5, and fan blades 8 are annularly distributed on the peripheral side of the left end of the rotating shaft 6, so as to provide heat dissipation protection for the protection cabinet 1.

As a preferred embodiment, on the basis of the above structure, the upper fixing block 7 is installed at the upper end of the mounting frame 9, the lower fixing block 10 is installed at the lower end of the mounting frame 9, the number of the connecting blocks 5 and the number of the rotating shafts 6 are two, the two rotating shafts 6 are respectively rotatably arranged on the upper fixing block 7 and the lower fixing block 10, and the right ends of the two rotating shafts 6 are respectively connected with the left sides of the two connecting blocks 5.

As a preferable embodiment, on the basis of the above structure, the pushing mechanism further includes a pushing rod 11 installed at the bottom of the lower fixing block 10, one end of the pushing rod 11 is provided with a connecting rod 12, one end of the connecting rod 12 is connected with a driving rod 13, and one end of the driving rod 13 penetrates through the interior of the protection cabinet 1 and is connected with an output shaft of a driving motor 14, so as to control the lifting of the heat dissipation mechanism.

As a preferable embodiment, on the basis of the above structure, further, the pushing rod 11 is hinged to the lower fixed block 10 and the connecting rod 12, the lower fixed block 10 forms a lifting structure through the pushing rod 11, and the connecting rod 12 is fixedly connected to the driving rod 13, so that the action range of the heat dissipation structure can be expanded, and the heat dissipation effect of the protection device can be enhanced.

As a preferred embodiment, on the basis of the above structure, furthermore, the dust removing mechanism includes an extrusion rod 15, one end of the extrusion rod 15 is fixedly connected with the right end of the driving rod 13, a driving frame 16 is installed outside the extrusion rod 15, a square frame structure is arranged at the bottom of the driving frame 16 corresponding to the right end of the driving rod 13 of the pushing mechanism, the square frame structure is driven to lift by the other end of the extrusion rod 15, a limiting sleeve 17 is slidably sleeved on the left side and the right side of the square frame structure, the square frame structure is installed on the outer wall of the right end of the protection cabinet 1 through the limiting sleeve 17 in a lifting manner, a cleaning brush 18 is connected to one side, close to the protection cabinet 1, of the top end of the driving frame 16, and the lifting stability of the driving frame 16 can be improved through the setting of the limiting sleeve 17.

In a preferred embodiment, in addition to the above structure, the driving frame 16 is configured to have a reciprocating type lifting structure by the pressing rod 15, the driving frame 16 is engaged with the stopper sleeve 17 to be slidably connected, the cleaning brushes 18 are disposed at equal intervals on the left side of the top end of the driving frame 16, the cleaning brushes 18 are attached to the right end surface of the heat dissipation plate 19, and the dust attached to the right end surface of the heat dissipation plate 19 can be scraped and cleaned by the lifting and lowering action of the cleaning brushes 18 disposed at equal intervals.

The working principle of the utility model is as follows:

when the heat dissipation device is used, firstly, the transformer 3 and other related electric appliances in fig. 1 are installed inside the protection cabinet 1 through the guide rail 2, under the installation action of the transformer 3, the transformer protection can be provided for a PLC power supply, and heat gathered inside the protection cabinet 1 can be dissipated through the heat dissipation holes uniformly distributed inside the heat dissipation plate 19 in fig. 2;

starting a driving motor 14 in fig. 1, in the process that a driving rod 13 drives a connecting rod 12 to rotate, because the connecting modes of a push rod 11, a lower fixed block 10 and the connecting rod 12 are hinged, when the connecting rod 12 rotates, the lower fixed block 10, an installation frame 9 and an upper fixed block 7 can be pushed to move upwards synchronously through the push rod 11 in fig. 4, and under the action of a single positioning rod 4 provided with a staggered rodent structure, the single connecting block 5 can drive a rotating shaft 6 and fan blades 8 at the upper end and the lower end to rotate while lifting, so that outside air can circulate in the protection cabinet 1, and quick heat dissipation of a transformer 3 and other electrical appliances is realized;

in the process that the driving rod 13 in fig. 6 drives the extrusion rod 15 to rotate, the extrusion rod 15 can extrude the driving frame 16, so that the driving frame 16 in fig. 5 drives the cleaning brush 18 to move upwards under the positioning action of the limiting sleeve 17, and when the extrusion rod 15 rotates to the bottom, the driving frame 16 can move downwards through the self gravity to reset, so that in the process that the driving frame 16 drives the cleaning brush 18 to reciprocate, the attached floating dust on the right end surface of the heat dissipation plate 19 can be scraped and cleaned, and the floating dust is prevented from entering the protection cabinet 1 to bring inconvenience to cleaning work.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the present invention is intended to cover such alternatives, modifications, substitutions and variations as may be suggested by those skilled in the art based on the teachings herein and by their equivalents through analysis of logic, reasoning and limited experimentation.

Claims

1. The utility model provides a PLC mains operated protection device which characterized in that: it includes protection cabinet, transformer, heat dissipation mechanism, elevating system and pushing mechanism, the transformer is installed on the guide rail that the inside upper left side of protection cabinet was equipped with, and the transformer both ends are connected with outer power and PLC power electricity respectively, a plurality of louvre has evenly been seted up on the right-hand member lateral wall of protection cabinet, heat dissipation mechanism passes through the installation of elevating system liftable on the right-hand member inner wall of protection cabinet, and the lower extreme of heat dissipation mechanism is connected with the actuating lever transmission that pushing mechanism was equipped with, be equipped with the dust removal mechanism who is used for getting rid of the floating dust on the right-hand member outer wall of protection cabinet, dust removal mechanism is connected with pushing mechanism's actuating lever transmission.

2. The PLC power supply protection device of claim 1, wherein: elevating system includes two locating levers, and two locating lever intervals set up on the right-hand member inner wall of protection cabinet and along longitudinal extension, and one side that two locating levers are relative corresponds the rodent structure that sets up the dislocation and distribute, is equipped with the meshing of more than one connecting block between two locating levers and connects.

3. The PLC power supply protection device of claim 2, wherein: the heat dissipation mechanism includes the mounting bracket, corresponds every connecting block on the mounting bracket and all rotates and wears to be equipped with the pivot that extends along left right direction, the right-hand member and the connecting block fixed connection of pivot, and the week side fixed mounting of left end of pivot has a plurality of flabellum.

4. The PLC power supply protection device of claim 3, wherein: the upper and lower both ends of mounting bracket are equipped with fixed block and lower fixed block respectively, and the quantity of connecting block and pivot is two, and two pivots rotate respectively and wear to establish on last fixed block and lower fixed block.

5. The PLC power supply protection device of claim 1, wherein: the pushing mechanism comprises a pushing rod, a connecting rod, a driving rod and a driving motor, the driving motor is fixedly installed on the outer wall of the right end of the protection cabinet, the driving rod rotates to penetrate through the side wall of the right end of the protection cabinet, the right end of the driving rod is fixedly connected with an output shaft of the driving motor, the left end of the driving rod is fixedly connected with one end of the connecting rod, and the other end of the connecting rod and the lower end of the heat dissipation mechanism are hinged to the two ends of the pushing rod respectively.

6. The PLC power supply protection device of claim 1, wherein: dust removal mechanism includes the drive frame, pressure ram and stop collar, it has a plurality of to be used for clearing up the clearance brush of protection cabinet right-hand member outer wall louvre to distribute along longitudinal separation, the actuating lever right-hand member that the bottom of drive frame corresponds pushing mechanism is equipped with square frame column structure, the installation on the right-hand member outer wall of protection cabinet of both sides respectively through the stop collar liftable about square frame column structure, the pressure ram sets up in square frame column structure, the one end of pressure ram and the right-hand member fixed connection of actuating lever, the other end of pressure ram is used for promoting square frame column structure and goes up and down.

7. The PLC power supply protection device of claim 1, wherein: the right-hand member lateral wall of protection cabinet is equipped with the heating panel, and a plurality of louvre is evenly seted up on the heating panel.