CN210199556U - Electrical device - Google Patents
Electrical device Download PDFInfo
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- CN210199556U CN210199556U CN201920663218.3U CN201920663218U CN210199556U CN 210199556 U CN210199556 U CN 210199556U CN 201920663218 U CN201920663218 U CN 201920663218U CN 210199556 U CN210199556 U CN 210199556U
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- 230000003111 delayed effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an electrical equipment, include: the control circuit is provided with a PLC unit control loop, wherein the PLC unit is used for completing a delay tripping function in the control loop. By adopting the technical scheme, the problems that in the related art, due to the fact that the equipment is in a severe environment, instantaneous jitter and signal missending of the equipment are easy to happen, and further the equipment is frequently tripped and shut down are solved.
Description
Technical Field
The utility model relates to the field of communication, particularly, relate to an electrical equipment.
Background
The traditional electrical equipment control is provided with a normal remote, on-site start-stop, emergency stop loop, various protection and interlocking loops and the like, namely, a plurality of auxiliary contacts of buttons and relays are connected in series in the electrical control loop, if the environment where the equipment is located is severe, the environment temperature is high, in actual operation, instantaneous jitter and signal missending of the auxiliary contacts of the buttons and the relays due to large vibration on site can often occur, so that the equipment is stopped, and hidden troubles are buried in safe operation of a unit.
Aiming at the problems that in the related art, due to the fact that the environment of equipment is severe, instantaneous jitter and signal missending are easy to happen to the equipment, and then the equipment is frequently tripped and shut down, and the like, an effective solution is not provided.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an electrical equipment to at least, solve in the correlation technique because the environment that equipment is located is abominable, instantaneous shake, signal mistake send take place for equipment easily, and then lead to the equipment frequent tripping operation to shut down the scheduling problem.
According to an embodiment of the utility model, there is provided an electrical apparatus, include:
the control circuit is provided with a PLC unit control loop, wherein the PLC unit is used for completing a delay tripping function in the control loop.
In an embodiment of the present invention, the electrical device further includes: the first access point is connected with the PLC unit in series, wherein the first access point is an emergency stop normally-on point of the control loop.
In an embodiment of the present invention, the electrical device further includes: and the second access point is connected with the first access point in series, wherein the second access point is an interlocking signal normally-closed point of the control loop.
In an embodiment of the present invention, the electrical device further includes: and the third access point is connected with the second access point in series, wherein the third access point is an alarm normally-closed point of the control loop.
In an embodiment of the utility model, the PLC unit is applied to among the denitration heater.
In an embodiment of the present invention, the electrical device includes: a non-rotating electrical device.
In an embodiment of the present invention, the electrical device further includes: a circuit board, wherein a control loop of the PLC unit is disposed on the circuit board.
In an embodiment of the present invention, the electrical device further includes: the display screen is used for displaying the working state of the electrical equipment.
In an embodiment of the present invention, the electrical device further includes: and (4) protecting the shell.
In an embodiment of the present invention, the electrical device further includes: an interface adapted to a power source.
Through the utility model discloses, introduce the PLC unit that has the time delay tripping operation function in electrical equipment's control circuit, and then solved the correlation technique, because the environment that equipment is located is abominable, instantaneous shake, signal mistake take place easily for equipment, and then lead to the equipment frequent tripping operation to shut down the scheduling problem, reduce the frequent tripping operation phenomenon of on-the-spot similar equipment, reduce the emergence of trouble, ensure equipment safe and reliable operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a block diagram of an electrical device according to an embodiment of the present invention;
fig. 2 is a detailed structural block diagram of an electrical device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
In this embodiment, an electrical device is provided, and fig. 1 is a block diagram of an electrical device according to an embodiment of the present invention, as shown in fig. 1, including:
a control loop 10 of a programmable logic controller, PLC, unit 12 is provided, wherein the PLC unit 12 is configured to perform a delayed trip function in the control loop.
Through the technical scheme, the PLC unit with the delayed tripping function is introduced into the control loop of the electrical equipment, so that the problems that in the related technology, due to the fact that the equipment is in a severe environment, the equipment is prone to instantaneous jitter and signal missending, and further the equipment is frequently tripped and shut down are solved, the frequent tripping phenomenon of similar equipment on site is reduced, the occurrence of faults is reduced, and safe and reliable operation of the equipment is guaranteed.
As shown in fig. 2, in the embodiment of the present invention, the electrical device further includes: a first access point (corresponding to 10.7 in fig. 2) connected in series with the PLC unit, wherein the first access point is an emergency stop normally-on point of the control loop.
As shown in fig. 2, in the embodiment of the present invention, the electrical device further includes: and a second access point (corresponding to 10.6 in fig. 2) connected in series with the first access point, wherein the second access point is a chain signal normally-closed point of the control loop.
As shown in fig. 2, in the embodiment of the present invention, the electrical device further includes: a third access point (equivalent to 10.5 in fig. 2) connected in series with the second access point, wherein the third access point is an alarm normally-closed point of the control loop.
The embodiment of the utility model provides an in, during the PLC unit was applied to the denitration heater, was applied to the denitration heater with above-mentioned technical scheme, the reliable and stable operation of denitration heater has been guaranteed to the fault rate that can greatly reduced denitration heater.
In an embodiment of the present invention, the electrical device includes: different fields, different types of non-rotating electrical equipment.
In an embodiment of the present invention, the electrical device further includes: a circuit board, wherein a control loop of the PLC unit is disposed on the circuit board.
In an embodiment of the present invention, the electrical device further includes: the display screen is used for displaying the working state of the electrical equipment.
In an embodiment of the present invention, the electrical device further includes: and (4) protecting the shell.
In an embodiment of the present invention, the electrical device further includes: an interface adapted to a power source.
Through above-mentioned technical scheme, the control circuit that is equipped with the PLC unit can judge the fault signal automatically, has changed in traditional electric control circuit, and because of vibration, or signal disturbance time equipment directly stops to move, increases behind this time delay module, will automatic recovery after these signals appear instantaneous after flashing, can not cause equipment to stop moving.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An electrical device, comprising:
a PLC unit control loop of a programmable logic controller is arranged, wherein the PLC unit is used for completing a delay tripping function in the control loop;
the electrical apparatus further comprises: the first access point is connected with the PLC unit in series, wherein the first access point is an emergency stop normally-on point of the control loop.
2. The electrical apparatus of claim 1, further comprising: and the second access point is connected with the first access point in series, wherein the second access point is an interlocking signal normally-closed point of the control loop.
3. The electrical apparatus of claim 2, further comprising: and the third access point is connected with the second access point in series, wherein the third access point is an alarm normally-closed point of the control loop.
4. An electrical apparatus according to any of claims 1-3, wherein the PLC unit is used in a denitration heater.
5. An electrical device according to any of claims 1-3, characterized in that the electrical device comprises: a non-rotating electrical device.
6. The electrical device of any one of claims 1-3, further comprising: a circuit board, wherein a control loop of the PLC unit is disposed on the circuit board.
7. The electrical device of any one of claims 1-3, further comprising: the display screen is used for displaying the working state of the electrical equipment.
8. The electrical device of any one of claims 1-3, further comprising: and (4) protecting the shell.
9. The electrical device of any one of claims 1-3, further comprising: an interface adapted to a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663218.3U CN210199556U (en) | 2019-05-09 | 2019-05-09 | Electrical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920663218.3U CN210199556U (en) | 2019-05-09 | 2019-05-09 | Electrical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210199556U true CN210199556U (en) | 2020-03-27 |
Family
ID=69882662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920663218.3U Active CN210199556U (en) | 2019-05-09 | 2019-05-09 | Electrical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210199556U (en) |
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2019
- 2019-05-09 CN CN201920663218.3U patent/CN210199556U/en active Active
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