CN115912111A

CN115912111A - Mutual standby electrical device based on PLC

Info

Publication number: CN115912111A
Application number: CN202211487241.4A
Authority: CN
Inventors: 李明
Original assignee: Xi'an Lituo Industrial Automation Technology Co ltd
Current assignee: Xi'an Lituo Industrial Automation Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of electrical devices, and discloses a mutual standby electrical device based on a PLC (programmable logic controller), which comprises a shell, a shell cover, a PLC controller, a power unit and a power switch, wherein the PLC controller, the power unit and the power switch are all arranged in the shell, and the side wall of the shell cover and the position corresponding to the power switch are all provided with a pressing mechanism; the pressing mechanism comprises a pressing rod, a fixing ring and a spring, the pressing rod is slidably inserted into the side wall of the shell cover, the fixing ring is fixedly arranged on the rod wall of the pressing rod, the spring is movably sleeved on the rod wall of the pressing rod, two ends of the spring are fixedly connected with the side wall of the shell cover and the side wall of the fixing ring respectively, and the side face of the shell cover and the position corresponding to the pressing mechanism are both arranged on the protection mechanism. The invention can complete the start-stop operation of the power switch in the shell without opening the shell cover, thereby ensuring the operation safety of workers.

Description

Mutual standby electrical device based on PLC

Technical Field

The invention relates to the technical field of electrical devices, in particular to a mutual standby electrical device based on a PLC.

Background

At present, the public number is CN216118479U, and a mutual standby electric device based on PLC is disclosed, which comprises a first power unit, a second power unit, a first power switch, a second power switch, a first relay, a second relay and a PLC controller. To this end, a PLC-based mutual backup electrical device is proposed.

Disclosure of Invention

The invention aims to solve the problem that a mutual standby electric device is inconvenient to operate a power switch in the prior art, and provides the mutual standby electric device based on a PLC.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mutual standby electric device based on a PLC comprises a shell, a shell cover, a PLC controller, a power unit and a power switch, wherein the PLC controller, the power unit and the power switch are all arranged inside the shell, and pressing mechanisms are arranged on the side wall of the shell cover and at positions corresponding to the positions of the power switch;

the pressing mechanism comprises a pressing rod, a fixing ring and a spring, the pressing rod is slidably inserted into the side wall of the shell cover, the fixing ring is fixedly arranged on the rod wall of the pressing rod, the spring is movably sleeved on the rod wall of the pressing rod, two ends of the spring are fixedly connected with the side wall of the shell cover and the side wall of the fixing ring respectively, and the side face of the shell cover and the position corresponding to the pressing mechanism are both arranged on the protection mechanism.

Preferably, the protection mechanism comprises a protection cover, the protection cover is located outside the pressing mechanism, the top of the protection cover is fixedly connected with the side wall of the shell cover through a hinge, and a pull block is fixedly arranged at the bottom of the protection cover.

Preferably, the protective cover is an acrylic cover.

Preferably, a sliding seal sleeve is fixedly embedded in the side wall of the shell cover, and the rod wall of the pressing rod is arranged in the sliding seal sleeve in a sliding manner.

Preferably, the end of the pressing rod inside the housing is fixedly provided with an insulating rubber head, and the end of the pressing rod outside the housing is fixedly provided with a pressing head.

Preferably, wall nail mounting feet are fixedly arranged on two sides of the shell.

Preferably, the pressing mechanisms are arranged in one-to-one correspondence with the positions of buttons on the power switch.

Compared with the prior art, the invention provides a mutual standby electric device based on a PLC, which has the following beneficial effects:

1. this mutual reserve electric installation based on PLC through setting up push rod, solid fixed ring and the spring on the cap, accessible promote the push rod in the outside of cap for the push rod moves on the cap, until the tip of push rod and power switch's button contact, power switch's operation is accomplished to this process, because the spring that sets up, the spring can exert elasticity for the push rod, makes the tip of push rod and power switch's button separation, is convenient for operate power switch once more.

2. This electric device reserves each other based on PLC, through the protection casing that is equipped with, the protection casing can cover according to the depression bar, avoids appearing touching according to the phenomenon that the depression bar caused the mistake to start or close.

The parts which are not related in the device are the same as or can be realized by adopting the prior art, and the start-stop operation of the power switch in the shell can be completed without opening the shell cover, so that the operation safety of workers is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a PLC-based mutual backup electrical device according to the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of FIG. 1;

FIG. 3 is a side view of the housing cover of FIG. 1;

FIG. 4 is a schematic structural view of a shield according to the present invention disposed on a housing cover;

fig. 5 is a perspective view of the shield of fig. 4.

In the figure: 1. a housing; 2. a shell cover; 3. a PLC controller; 4. a power unit; 5. a power switch; 6. a pressing lever; 7. a fixing ring; 8. a spring; 9. a protective cover; 10. a hinge; 11. pulling the block; 12. a sliding seal cartridge; 13. an insulating rubber head; 14. a pressing head; 15. the wall nail mounting foot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments.

Referring to fig. 1-5, a mutual backup electrical device based on a PLC includes a housing 1, a housing cover 2, a PLC controller 3, a power unit 4 and a power switch 5, wherein the PLC controller 3, the power unit 4 and the power switch 5 are all disposed inside the housing 1, wall nail mounting feet 15 are fixedly disposed on both sides of the housing 1, wall nails are inserted into the wall nail mounting feet 15 to fix the housing 1 on a wall, pressing mechanisms are disposed on side walls of the housing cover 2 and corresponding to positions of the power switch 5, the pressing mechanisms are disposed in one-to-one correspondence to positions of buttons on the power switch 5, each pressing mechanism includes a pressing rod 6, a fixing ring 7 and a spring 8, the pressing rod 6 is slidably inserted into the side walls of the housing cover 2, a sliding seal sleeve 12 is fixedly embedded in the side walls of the housing cover 2, the pressing rod wall of the pressing rod 6 is slidably disposed inside the sliding seal sleeve 12, and the sliding seal sleeve 12 can increase the sealing performance between the pressing rod 6 and the housing cover 2, thereby preventing dust from entering the housing 1; the fixing ring 7 is fixedly arranged on the rod wall of the pressing rod 6, the spring 8 is movably sleeved on the rod wall of the pressing rod 6, two ends of the spring 8 are fixedly connected with the side wall of the shell cover 2 and the side wall of the fixing ring 7 respectively, and the pressing rod 6 can have an elastic function under the action of the spring 8, so that the pressing rod 6 can automatically reset; according to the fixed insulating rubber head 13 that is equipped with of one end that the pressing rod 6 is located casing 1 inside, insulating rubber head 13 can avoid 5 electric leakages of power switch to transmit to the pressing rod 6 on, and the pressing rod 6 is located the fixed pressing head 14 that is equipped with of the outside one end of casing 1, and the lateral wall of pressing head 14 adopts circular terminal surface, can increase the comfort level that the staff pressed.

Protection machanism is all located to the side of cap 2 and the position department of corresponding with pressing mechanism, and protection machanism includes protection casing 9, and protection casing 9 is located pressing mechanism's outside, and hinge 10 and cap 2's lateral wall fixed connection are passed through to protection casing 9's top, and protection casing 9's bottom is fixed to be equipped with and draws piece 11, and protection casing 9 adopts ya keli cover, and protection casing 9 can cover pressing mechanism, avoids taking place the phenomenon that the mistake bumped.

In the patent of the invention, when in use, if a worker needs to open the power switch 5, the worker firstly pulls the pull block 11 to open the protective cover 9 upwards through the hinge 10, the press head 14 is exposed at the moment, then the press head 14 is pushed by the hand, the press rod 6 is pushed and moves towards the inside of the shell 1 until the end insulating rubber head 13 of the press rod 6 is contacted with the button on the power switch 5, the opening of the power switch 5 is completed at the moment, when the press head 14 is released by the hand, the spring 8 can apply elastic force to the fixing ring 7 at the moment, so that the end of the press rod 6 is separated from the button on the power switch 5, the press rod 6 can automatically reset, the button on the power switch 5 is conveniently pressed again, and finally the protective cover 9 is automatically buckled outside the press head 14 due to the fact that the gravity is far away from the press rod 6, and the phenomenon of false starting or closing caused by touching the press rod 6 is avoided.

The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the inventive concepts of the present invention, which are equivalent to or changed by the technical solutions and the inventive concepts of the present invention, within the technical scope of the present invention.

Claims

1. A mutual standby electric device based on a PLC (programmable logic controller) comprises a shell (1), a shell cover (2), a PLC controller (3), a power unit (4) and a power switch (5), and is characterized in that the PLC controller (3), the power unit (4) and the power switch (5) are all arranged inside the shell (1), and pressing mechanisms are arranged on the side wall of the shell cover (2) and positions corresponding to the power switch (5);

pressing means includes pressing rod (6), solid fixed ring (7) and spring (8), pressing rod (6) slip insert on the lateral wall of cap (2), gu fixed ring (7) are fixed to be set up on the pole wall of pressing rod (6), spring (8) movable sleeve is located on the pole wall of pressing rod (6), and the both ends of spring (8) respectively with the lateral wall of cap (2) and the lateral wall fixed connection of solid fixed ring (7), protection machanism is all located to the side of cap (2) and the position department of corresponding with pressing means.

2. The PLC-based mutual backup electric device according to claim 1, characterized in that the protection mechanism comprises a protection cover (9), the protection cover (9) is located outside the pressing mechanism, the top of the protection cover (9) is fixedly connected with the side wall of the housing cover (2) through a hinge (10), and a pull block (11) is fixedly arranged at the bottom of the protection cover (9).

3. A PLC based mutual backup electric device according to claim 2, characterized in that the protective cover (9) is an acrylic cover.

4. The mutual standby electric device based on PLC of claim 1, characterized in that, a sliding sealing sleeve (12) is fixedly embedded in the side wall of the housing cover (2), and the rod wall of the pressing rod (6) is slidably arranged inside the sliding sealing sleeve (12).

5. The PLC-based mutual backup electric device according to claim 1, wherein an insulating rubber head (13) is fixedly arranged at one end of the pressing rod (6) positioned inside the housing (1), and a pressing head (14) is fixedly arranged at one end of the pressing rod (6) positioned outside the housing (1).

6. The PLC-based mutual backup electric device according to claim 1, characterized in that wall stud mounting feet (15) are fixedly arranged on both sides of the housing (1).

7. A PLC-based mutual backup electric device according to claim 1, wherein the pressing mechanism is provided in one-to-one correspondence with a button position on the power switch (5).