CN221429312U

CN221429312U - PLC module for low-voltage intelligent power distribution system

Info

Publication number: CN221429312U
Application number: CN202323251248.9U
Authority: CN
Inventors: 杨青; 田云云
Original assignee: Shanghai Shimeng Automation Technology Co ltd
Current assignee: Shanghai Shimeng Automation Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-26
Anticipated expiration: 2033-11-30

Abstract

The utility model discloses a PLC module for a low-voltage intelligent power distribution system, which belongs to the technical field of PLC modules and comprises a PLC module, a busbar, a control circuit board, a PLC expansion module, a pin header and a communication socket. According to the utility model, the heat radiation mechanism is arranged, and the heat conducting silica gel pad, the heat radiation fins, the air guide shell, the heat radiation fan, the inner cavity and the exhaust fan are matched for use, so that heat generated by each electric device on the control circuit board during operation can be led out of the PLC module, the heat radiation fan is utilized to continuously radiate the heat radiation fins, and meanwhile, the exhaust fan is utilized to assist in taking out hot air in the PLC module, so that a continuous and efficient circulating heat radiation mode for the interior of the PLC module is formed, and the service life of the PLC module is prolonged.

Description

PLC module for low-voltage intelligent power distribution system

Technical Field

The utility model belongs to the technical field of PLC modules, and particularly relates to a PLC module for a low-voltage intelligent power distribution system.

Background

The PLC module is a special accessory for the programmable logic controller, can enhance the functions and performances of the PLC, is usually pluggable and can be easily inserted into or pulled out of a rack of the PLC, the PLC module can provide various different functions, and the PLC module can be combined as required to meet the requirements of specific applications.

According to research and analysis, when the existing PLC module is assembled with other expansion modules, the assembly is completed by matching the portable plug with the socket, the assembly is rapid and convenient to disassemble, but the portable plug is fixedly arranged, and the material is mainly plastic, so that when the portable plug is used for a mounting piece of the PLC module which needs to be disassembled frequently, the plug is easy to fall off, and the two sides of the existing PLC module shell are provided with radiating ports, but a mechanism for radiating each device of the internal control circuit board of the PLC module is not arranged, so that the PLC module can radiate only through a simple heat exhausting mode, the devices on the control circuit board do not radiate heat substantially, the service life of the PLC module is reduced, and the PLC module is more likely to be fixed on a plane through matching of bolts and threaded lugs on the two sides of the PLC module, so that the whole PLC module needs to be disassembled by unscrewing bolts when the PLC module needs to be disassembled and maintained, and the disassembly process is cumbersome to be inconvenient for the PLC module.

Disclosure of utility model

The utility model aims at: in order to solve the problems of complicated installation operation, easy falling and damage of the quick-connection plug and low heat dissipation efficiency, the PLC module for the low-voltage intelligent power distribution system is provided.

The technical scheme adopted by the utility model is as follows: the PLC module for the low-voltage intelligent power distribution system comprises a PLC module, a busbar, a control circuit board, a PLC expansion module, a pin header and a communication socket, wherein the busbar is arranged on two sides of the PLC module, the control circuit board is arranged in the PLC module in a matched mode, the shells on the upper side and the lower side of the PLC module are arranged in a net mode, cavities are formed in four sides of the PLC module, a cover plate is arranged on the top of the cavity through torsion springs, the PLC expansion module is arranged outside the PLC module, the pin header is arranged on one side of the PLC expansion module in a matched mode, the communication socket is arranged on the bottom of the PLC expansion module in a matched mode, and a mounting mechanism which is convenient to mount the PLC module and an auxiliary mechanism which can radiate heat inside the PLC module are arranged outside the PLC module, and the PLC module and the PLC expansion module are connected and fixed conveniently and the communication socket are protected in a dust-proof mode;

The auxiliary mechanism comprises a connecting inserting column, clamping grooves, connecting slots, clamping blocks, pull rings, an installation underframe, empty slots and dustproof plugs, wherein the connecting inserting columns are arranged on the upper side and the lower side of the other side of the PLC expansion module, the clamping slots are arranged on one side of the connecting inserting column, the connecting slots are arranged on two sides of the PLC module close to the two sides of the bus bar, the clamping blocks are movably embedded between the connecting inserting columns and the connecting slots, the clamping blocks are installed inside the connecting slots through torsion springs, the clamping blocks and the clamping slots are clamped, the clamping blocks are connected with the pull rings through connecting ropes, the pull rings extend into cavities of the PLC module, the installation underframe is arranged outside the PLC module, the empty slots are formed in the two sides of the bottom of the installation underframe, the dustproof plugs are connected through elastic connecting belts, and the dustproof plugs are made of rubber materials and are arranged in a fit mode before the dustproof plugs are connected with the communication jacks.

Wherein, installation mechanism is including smooth edge, spacing groove, spout, stopper, wherein, PLC expansion module one side laminating is provided with smooth edge, smooth edge one side is provided with the spacing groove, installation chassis top both sides all are provided with the spout, and slide along and be the slip fit setting between the spout, the spout is inside to have the stopper through pull rod elastic connection, and is the fit setting between spacing groove and the stopper.

The heat dissipation mechanism comprises a heat conduction silica gel pad, heat dissipation fins, a wind guide shell, a heat dissipation fan, an inner cavity and an exhaust fan, wherein the heat conduction silica gel pad is arranged on the surface of each electric device of the control circuit board in a fitting mode, the heat dissipation fins are arranged on the surface of the heat conduction silica gel pad and extend to the outer side of a shell of the PLC module, the wind guide shell is arranged at the top of the PLC module through bolts, the heat dissipation fan is arranged on two sides of the inside of the wind guide shell, the inner cavity is arranged in the middle of the inside of the installation underframe, the outer walls of the upper side and the lower side of the inner cavity are in a net-shaped mode, and the exhaust fan is arranged on two sides of the inside of the inner cavity.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, by arranging the auxiliary mechanism, through the cooperation of the connecting plug, the clamping groove, the connecting slot, the clamping block, the pull ring, the mounting underframe, the empty groove and the dustproof plug, the PLC module and the PLC extension module can be more firmly assembled, and the unused communication jack can be subjected to dustproof protection work, so that the situation of poor contact caused by dust blocking the communication jack when the communication jack is used is prevented.

2. According to the utility model, the installation mechanism is arranged, and the sliding edge, the limiting groove, the sliding groove and the limiting block are matched for use, so that the PLC module and the installation underframe can be connected and fixed relatively conveniently, the PLC module can be conveniently installed and fixed on a wall surface, and the PLC module can be disassembled and assembled conveniently after being installed, so that the PLC module can be overhauled and replaced conveniently.

3. According to the utility model, the heat radiation mechanism is arranged, and the heat conducting silica gel pad, the heat radiation fins, the air guide shell, the heat radiation fan, the inner cavity and the exhaust fan are matched for use, so that heat generated by each electric device on the control circuit board during operation can be led out of the PLC module, the heat radiation fan is utilized to continuously radiate the heat radiation fins, and meanwhile, the exhaust fan is utilized to assist in taking out hot air in the PLC module, so that a continuous and efficient circulating heat radiation mode for the interior of the PLC module is formed, and the service life of the PLC module is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the overall explosive construction of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of the present utility model;

FIG. 4 is a schematic diagram of an enlarged structure at A in FIG. 3 according to the present utility model;

fig. 5 is a schematic diagram of the enlarged structure of fig. 3B according to the present utility model.

The marks in the figure: 1. a PLC module; 101. arranging a mother; 102. a control circuit board; 2. a thermally conductive silicone pad; 201. a heat radiation fin; 3. an air guiding shell; 301. a heat radiation fan; 4. a PLC expansion module; 401. arranging needles; 402. a communication jack; 5. a sliding edge; 501. a limit groove; 6. connecting the inserted columns; 601. a clamping groove; 7. a connection slot; 701. a clamping block; 702. a pull ring; 8. installing an underframe; 801. a hollow groove; 802. a dust-proof plug; 803. a chute; 8031. a limiting block; 804. an inner cavity; 805. and a fan.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, a PLC module for a low voltage intelligent power distribution system, which comprises a PLC module 1, a busbar 101, a control circuit board 102, a PLC extension module 4, a pin 401 and a communication socket 402, wherein the busbar 101 is arranged at both sides of the PLC module 1, the control circuit board 102 is arranged inside the PLC module 1 in a matching way, the shells at the upper and lower sides of the PLC module 1 are in a net-shaped arrangement, the four sides of the PLC module 1 are provided with cavities, the top of the cavities are provided with cover plates through torsion springs, the PLC extension module 4 is arranged outside the PLC module 1, the pin 401 is arranged on one side of the PLC extension module 4 in a matching way, the communication socket 402 is arranged at the bottom of the PLC extension module 4 in a matching way, and a mounting mechanism which is convenient for mounting the PLC module 1 and a heat dissipation mechanism which can dissipate heat inside the PLC module 1 and the PLC extension module 4 are connected and fixed, and an auxiliary mechanism which can protect the communication socket 402 is convenient for the PLC module 1;

The auxiliary mechanism comprises a connecting inserting column 6, clamping grooves 601, connecting slots 7, clamping blocks 701, pull rings 702, a mounting underframe 8, empty slots 801 and dustproof plugs 802, wherein the upper side and the lower side of the other side of the PLC expansion module 4 are respectively provided with the connecting inserting column 6, the clamping grooves 601 are respectively arranged on one side of the connecting inserting column 6, the two sides of the PLC module 1 are close to the two sides of the bus 101, the connecting inserting columns 6 and the connecting slots 7 are movably embedded, the clamping blocks 701 are mounted inside the connecting slots 7 through torsion springs, clamping blocks 701 and the clamping grooves 601 are clamped, one side of each clamping block 701 is connected with the pull rings 702 through connecting ropes, the pull rings 702 extend into cavities of the PLC module 1, the mounting underframe 8 is arranged outside the PLC module 1, the two sides of the bottom of the mounting underframe 8 are respectively provided with the empty slots 801, the dustproof plugs 802 are respectively connected through elastic connecting belts, the dustproof plugs 802 are respectively arranged on the two sides of the inner sides of the empty slots 801, the dustproof plugs 802 are respectively arranged inside the bus 101 of the PLC module 1, the bus 401 is inserted into the bus 101 of the PLC module 1 through the connecting inserting pins 401, the clamping blocks are simultaneously connected with the connecting inserting columns 6 through the connecting inserting columns 6 under the effect of the connecting pins 7 and the effect of the connecting plugs 7, the effect of the connecting plugs under the effect of the connecting plugs and the connecting plugs are fully connected with the torsion springs 7, the effect of the connecting plugs is fully connected with the connecting plugs 1 through the torsion springs and the connecting plugs 1, and the connecting plugs are fully connected with the corresponding connecting plugs 1.

Referring to fig. 1-4, in this embodiment, the installation mechanism includes a sliding edge 5, a limit groove 501, a chute 803, and a limiting block 8031, wherein the sliding edge 5 is attached to one side of the PLC extension module 4, the limit groove 501 is provided on one side of the sliding edge 5, both sides of the top of the installation chassis 8 are provided with the chute 803, the sliding edge 5 and the chute 803 are in sliding fit, the limiting block 8031 is elastically connected to the inside of the chute 803 through a pull rod, the limiting groove 501 and the limiting block 8031 are in fit, the sliding edge 5 is adhered to one side of the PLC extension module 4, then the pull rod is pulled to pull the limiting block 8031 outwards, then the sliding edge 5 of the PLC extension module 4 assembled with the PLC module 1 is fit and slid into the corresponding chute 803, and then the pull rod is released to enable the limiting block 8031 to be fit with the limiting groove 501, so as to complete the installation and fixation of the PLC module 1.

Referring to fig. 1-3, in this embodiment, the heat dissipation mechanism includes a heat-conducting silica gel pad 2, a heat dissipation fin 201, a wind guiding shell 3, a heat dissipation fan 301, an inner cavity 804 and an exhaust fan 805, wherein, when the PLC module 1 is in normal operation, each electric device on the control circuit board 102 is provided with a heat-conducting silica gel pad 2 in a fitting manner, the heat dissipation fin 201 is installed on the surface of the heat-conducting silica gel pad 2, and the heat dissipation fin 201 extends to the outer side of the housing of the PLC module 1, the wind guiding shell 3 is installed on the top of the PLC module 1 through bolts, the heat dissipation fan 301 is installed on both sides of the inside of the wind guiding shell 3, the inner cavity 804 is arranged in the middle of the inside of the installation chassis 8, the outer walls of both sides of the inner cavity 804 are all net-shaped, and both sides of the inside of the inner cavity 804 are installed with an exhaust fan 805, when the PLC module 1 is in normal operation, each electric device on the control circuit board 102 has a current to continuously pass through, so that each electric device surface heats, at this time, the heat conduction silica gel pad 2 can be utilized to conduct heat on the heat dissipation fin 201 and lead out the PLC module 1, then the exhaust fan 805 and the inside of the PLC module 1 are air-cooled, and the inside the PLC module 1 are circulated by the exhaust fan 805, and the heat dissipation fan 1.

Referring to fig. 1-5, in the present embodiment, the PLC module 1, the control circuit board 102, and the PLC extension module 4 are all electrically connected to an external power source, and the heat dissipation fan 301 and the exhaust fan 805 are all electrically connected to the external power source through switches.

Working principle: firstly, an installer installs the installation chassis 8 on the wall surface of an installation position by using bolts, then inserts the pin 401 of the PLC expansion module 4 into the row mother 101 of the PLC module 1, simultaneously pushes the clamping block 701 into the inner side of the connecting slot 7 under the action of the torsion spring through the connecting plug 6, after the connecting slot 7 is fully matched with the connecting plug 6, the clamping block 701 rebounds under the action of the torsion spring and is clamped with the clamping groove 601, the assembly of the PLC expansion module 4 and the PLC module 1 is completed, afterwards, the sliding edge 5 is stuck on one side of the PLC expansion module 4, then the limiting block 31 is pulled outwards by pulling the pull rod, then the sliding edge 5 of the PLC expansion module 4 assembled with the PLC module 1 is matched and slides into the corresponding sliding groove 803, then the pull rod is loosened to enable the limiting block 8031 to be matched with the limiting groove 501, the installation and the fixation of the PLC module 1 are completed, afterwards, the unused communication jack 402 is plugged through the dustproof plug 802, finally, each piece on the control circuit board 102 is continuously provided with current, and therefore, the surface of each piece can be led out of the heat conducting device by using the silicon rubber cushion 805 and the heat conducting fan, and the heat conducting fan can be conducted to the inner part of the PLC module 1 through the heat radiating fan 805, and the heat radiating fan 1 is circulated on the inner part of the PLC module 1, and the heat conducting fan 201 is circulated by the heat conducting fan 1.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A PLC module for low pressure intelligent power distribution system, including PLC module (1), row female (101), control circuit board (102), PLC expansion module (4), row needle (401), communication socket (402), PLC module (1) both sides all are provided with row female (101), the inside supporting control circuit board (102) that is provided with of PLC module (1), and the upper and lower both sides shell of PLC module (1) is netted setting, and all is provided with the cavity in PLC module (1) four sides, and the cavity top is provided with the apron through the torsional spring, PLC module (1) outside has PLC expansion module (4), PLC expansion module (4) one side is provided with row needle (401) in a supporting way, PLC expansion module (4) bottom is provided with communication socket (402) in a supporting way, its characterized in that: the PLC module (1) is provided with an installation mechanism which is convenient for installing the PLC module (1), a heat dissipation mechanism which can dissipate heat inside the PLC module (1) and an auxiliary mechanism which is convenient for connecting and fixing the PLC module (1) and the PLC expansion module (4) and carrying out dust protection on the communication jack (402) at the outer side;

The auxiliary mechanism comprises a connecting inserting column (6), clamping grooves (601), connecting slots (7), clamping blocks (701), pull rings (702), an installation underframe (8), empty slots (801) and dustproof plugs (802), wherein the upper side and the lower side of the other side of the PLC expansion module (4) are respectively provided with the connecting inserting column (6), the clamping grooves (601) are formed in one side of the connecting inserting column (6), the connecting slots (7) are respectively arranged on two sides of the PLC module (1) close to two sides of the bus bar (101), the clamping blocks (701) are internally installed through torsion springs, one side of each clamping block (701) is connected with the pull rings (702) through connecting ropes, the installation underframe (8) is arranged outside the PLC module (1), and the empty slots (801) are respectively formed in two sides of the bottom of the installation underframe (8) and are respectively connected with the dustproof plugs (802) through elastic connecting belts.

2. The PLC module for a low voltage intelligent power distribution system of claim 1, wherein: the mounting mechanism comprises a sliding edge (5), limiting grooves (501), sliding grooves (803) and limiting blocks (8031), wherein the sliding edge (5) is arranged on one side of the PLC expansion module (4) in a fitting mode, the limiting grooves (501) are arranged on one side of the sliding edge (5), the sliding grooves (803) are formed in two sides of the top of the mounting underframe (8), and the limiting blocks (8031) are elastically connected inside the sliding grooves (803) through pull rods.

3. The PLC module for a low voltage intelligent power distribution system of claim 1, wherein: the heat dissipation mechanism comprises a heat conduction silica gel pad (2), heat dissipation fins (201), a wind guiding shell (3), a heat dissipation fan (301), an inner cavity (804) and an exhaust fan (805), wherein the heat conduction silica gel pad (2) is arranged on the surface of each electric device of the control circuit board (102) in a fitting mode, the heat dissipation fins (201) are arranged on the surface of the heat conduction silica gel pad (2), the wind guiding shell (3) is arranged at the top of the PLC module (1) through bolts, the heat dissipation fan (301) is arranged on two sides of the inner portion of the wind guiding shell (3), the inner cavity (804) is arranged in the middle of the inner portion of the installation chassis (8), and the exhaust fan (805) is arranged on two sides of the inner portion of the inner cavity (804).

4. The PLC module for a low voltage intelligent power distribution system of claim 1, wherein: the connecting plug column (6) is movably embedded between the connecting plug column (7) and the connecting slot (7), the clamping block (701) is clamped with the clamping groove (601), the pull ring (702) extends into the cavity of the PLC module (1), and the dustproof plug (802) is made of rubber and is matched with the communication socket (402).

5. The PLC module for a low voltage intelligent power distribution system of claim 2, wherein: the sliding edge (5) is in sliding fit with the sliding groove (803), and the limiting groove (501) is in fit with the limiting block (8031).

6. The PLC module for a low voltage intelligent power distribution system of claim 3, wherein: the radiating fins (201) extend to the outer side of the shell of the PLC module (1), and the outer walls of the upper side and the lower side of the inner cavity (804) are arranged in a net shape.