CN205862205U - Programmable logic controller redundant component and there is its control equipment - Google Patents
Programmable logic controller redundant component and there is its control equipment Download PDFInfo
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- CN205862205U CN205862205U CN201620820038.8U CN201620820038U CN205862205U CN 205862205 U CN205862205 U CN 205862205U CN 201620820038 U CN201620820038 U CN 201620820038U CN 205862205 U CN205862205 U CN 205862205U
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- China
- Prior art keywords
- programmable logic
- logic controller
- optical detecting
- light pulse
- detecting unit
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Abstract
PLC redundant component, it includes a PLC (10) and the 2nd PLC (20).Oneth PLC includes the first luminescence unit (12) and the first optical detecting unit (14).Data in oneth PLC can be converted to the first light pulse output signal by the first luminescence unit, and export first group of light pulse with this.First optical detecting unit is able to receive that second group of light pulse, to obtain the first light pulse input signal, and this first light pulse input signal can be converted to the data that a PLC can read.2nd PLC includes the second luminescence unit (22) and the second optical detecting unit (24).Data in 2nd PLC can be converted to the second light pulse output signal by the second luminescence unit, and export second group of light pulse with this.Second optical detecting unit is able to receive that first group of light pulse, to obtain the second light pulse input signal, and this second light pulse input signal can be converted to the data that the 2nd PLC can read.
Description
Technical field
This utility model relates to a kind of redundant apparatus, particularly relates to a kind of PLC (programmable logic controller) redundant component,
This utility model additionally provides a kind of control equipment with above-mentioned PLC redundant component.
Background technology
PLC redundant component at least includes two PLC.During execution task, in two PLC as main PLC, one
As auxiliary PLC, main PLC meeting moment transmission data to assisting PLC, with after main PLC breaks down, auxiliary PLC can continue to
Complete task.
In existing PLC redundant component, data conveying mutual for PLC is general by same backboard, or passes through data wire
Transmission, is easily subject to extraneous factor impact, and data transmission bauds is slow.
Utility model content
The purpose of this utility model is to provide a kind of PLC redundant component, and it can avoid extraneous factor to affect data transmission, and
Data transmission bauds is fast.
Another purpose of the present utility model is to provide a kind of control equipment with above-mentioned PLC redundant component.
This utility model provides a kind of PLC redundant component, and it includes a PLC and the 2nd PLC.First
PLC includes first luminescence unit and first optical detecting unit.First luminescence unit can be by the data in a PLC
Be converted to the first light pulse output signal, and export first group of light pulse with this.First optical detecting unit is able to receive that second group
Light pulse, to obtain the first light pulse input signal, and this first light pulse input signal can be converted to a PLC can
The data read.2nd PLC includes second luminescence unit and second optical detecting unit.Second luminescence unit can be by
Data in 2nd PLC are converted to the second light pulse output signal, and export second group of light pulse with this.Second optical detecting unit
It is able to receive that first group of light pulse, to obtain the second light pulse input signal, and this second light pulse input signal can be turned
It is changed to the data that the 2nd PLC can read.Oneth PLC and the 2nd PLC can by Li-Fi communication (visible ray radio communication)
Avoid extraneous factor to affect data transmission, and data transmission bauds is fast.
In a kind of exemplary embodiment of PLC redundant component, the first luminescence unit and the first optical detecting unit are arranged
On an outer wall of a PLC, the second luminescence unit and the second optical detecting unit are arranged on an outer wall of the 2nd PLC.
Above-mentioned being designed with helps a PLC and the arrangement of the 2nd PLC.
In a kind of exemplary embodiment of PLC redundant component, a PLC and the 2nd PLC is the most mutual
Against.First luminescence unit and the first optical detecting unit are arranged at a PLC against on the sidewall of the 2nd PLC.Second is luminous single
Unit and the second optical detecting unit are arranged at the 2nd PLC against on the sidewall of a PLC, and the second luminescence unit is corresponding to the first light
Detector unit is arranged, and the second optical detecting unit is arranged corresponding to the first luminescence unit.Such design, contribute to a PLC and
The arrangement of the 2nd PLC, data laser propagation effect is good.
In a kind of exemplary embodiment of PLC redundant component, also include a bracing frame, a PLC and the 2nd PLC
It is installed on support frame as described above.
In a kind of exemplary embodiment of PLC redundant component, a PLC and the 2nd PLC in the vertical direction are folded
Against.First luminescence unit and the first optical detecting unit are arranged at a PLC against on the outer wall of the 2nd PLC.Second is luminous single
Unit and the second optical detecting unit are arranged at the 2nd PLC against on the outer wall of a PLC, and the second luminescence unit is corresponding to the first light
Detector unit is arranged, and the second optical detecting unit is arranged corresponding to the first luminescence unit.Such design, contribute to a PLC and
The arrangement of the 2nd PLC, data laser propagation effect is good.
In a kind of exemplary embodiment of PLC redundant component, also include first bracing frame and one second
Support.Oneth PLC is arranged at the first gripper shoe.2nd PLC is arranged at the second gripper shoe.
In a kind of exemplary embodiment of PLC redundant component, the first luminescence unit and the second luminescence unit wrap respectively
Include a LED (light emitting diode) that can send light pulse.
In a kind of exemplary embodiment of PLC redundant component, the first optical detecting unit and the second optical detecting unit are
Photodiode.
In a kind of exemplary embodiment of PLC redundant component, a PLC also includes first toggle switch, the
One toggle switch can export a first mode control signal, to control the first luminescence unit and/or the first optical detecting unit
Work.2nd PLC also includes that second toggle switch, the second toggle switch can export second mode control signal,
To control the second luminescence unit and/or the work of the second optical detecting unit.
This utility model additionally provides a kind of control equipment, and it includes an above-mentioned PLC redundant component.
Hereafter by the way of the most understandable, accompanying drawings preferred embodiment, to PLC redundant component and have it
The above-mentioned characteristic of control equipment, technical characteristic, advantage and implementation thereof are further described.
Accompanying drawing explanation
This utility model is only schematically illustrated and explains by the following drawings, does not limit scope of the present utility model.
Fig. 1 is in order to illustrate the decomposition texture schematic diagram of a kind of exemplary embodiment of PLC redundant component.
Fig. 2 is in order to the structural representation after the PLC redundant component combination shown in explanatory diagram 1.
Fig. 3 is in order to illustrate the decomposition texture schematic diagram of the another kind of exemplary embodiment of PLC redundant component.
Fig. 4 is in order to the structural representation after the PLC redundant component combination shown in explanatory diagram 3.
Label declaration
10 the oneth PLC
The sidewall of 11 the oneth PLC
12 first luminescence units
14 first optical detecting units
20 the 2nd PLC
The sidewall of 21 the 2nd PLC
22 second luminescence units
24 second optical detecting units
32 bracing frames
34 first bracing frames
36 second bracing frames.
Detailed description of the invention
In order to be more clearly understood from the technical characteristic of utility model, purpose and effect, now comparison accompanying drawing explanation is originally
The detailed description of the invention of utility model, the most identical label represents that structure is identical or structure is similar but portion that function is identical
Part.
In this article, " schematically " expression " serves as example, example or explanation ", " should not show being described herein as
Meaning property " any diagram, embodiment be construed to a kind of preferred or more advantage technical scheme.
For making simplified form, only schematically show the part relevant to this utility model in each figure, they are not
Represent its practical structures as product.It addition, for making simplified form readily appreciate, some figure has identical structure or merit
The parts of energy, only symbolically depict one of them, or have only marked one of them.
In this article, " first ", " second " etc. are only used for differentiation each other, rather than represent their significance level and order
Deng.
Fig. 1 is in order to illustrate the decomposition texture schematic diagram of a kind of exemplary embodiment of PLC redundant component.Fig. 2 is in order to say
Structural representation after PLC redundant component combination shown in bright Fig. 1.As it is shown in figure 1, PLC redundant component includes one first
PLC10 and the 2nd PLC20.
Oneth PLC10 includes first luminescence unit 12 and first optical detecting unit 14.First luminescence unit 12
Data such as PLC parameter in oneth PLC10, control command, heartbeat signal etc. can be converted to the first light pulse output signal,
And exporting first group of light pulse with this, the first luminescence unit 12 such as can include a LED, send light pulse by LED, when
The difference so needed according to design, the first luminescence unit 12 can also use other equipment to send light pulse, such as Laser emission
Device.First optical detecting unit 14 can be such as photodiode, and it is able to receive that second group of light pulse, to obtain the first smooth arteries and veins
Rush input signal, and this first light pulse input signal can be converted to the data that a PLC10 can read.
2nd PLC20 includes second luminescence unit 22 and second optical detecting unit 24.Second luminescence unit 22
Data such as PLC parameter in 2nd PLC20, control command, heartbeat signal etc. can be converted to the second light pulse output signal,
And export second group of light pulse with this, the second luminescence unit 22 such as can also include a LED, send light pulse by LED,
Certainly the difference needed according to design, the second luminescence unit 22 can also use other equipment to send light pulse, and such as laser is sent out
Emitter.Second optical detecting unit 24 can also be such as photodiode, and it is able to receive that first group of light pulse, to obtain second
Light pulse input signal, and this second light pulse input signal can be converted to the data that the 2nd PLC20 can read.
In above-mentioned PLC redundant component, first group of light pulse that first luminescence unit 12 of a PLC10 sends can be by
Second optical detecting unit 24 of the 2nd PLC obtains, and enables the 2nd PLC to obtain the data of a PLC10, it is achieved Li-Fi communicates.
And second group of light pulse that second luminescence unit 22 of the 2nd PLC20 sends can be by first optical detecting unit of a PLC10
14 obtain, and enable a PLC10 to obtain the data of the 2nd PLC20, it is achieved Li-Fi communicates.So, in a PLC10 conduct
During main PLC, its data can be delivered to the 2nd PLC20 in time.And when the 2nd PLC20 is as main PLC, its data can be timely
It is delivered to a PLC10.Li-Fi communication can avoid extraneous factor to affect data transmission, and data transmission bauds is fast.
In the embodiment shown in Fig. 1, the first luminescence unit 12 and the first optical detecting unit 14 are arranged at a PLC10
An outer wall on.Second luminescence unit 22 and the second optical detecting unit 24 are arranged on an outer wall of the 2nd PLC20.Above-mentioned
Being designed with and help a PLC and the arrangement of the 2nd PLC, wherein outer wall can be any one of a PLC10 and the 2nd PLC20
Outer wall, such as sidewall, roof, diapire.Certainly difference is needed according to design, the first luminescence unit 12 and the first optical detecting unit 14
Can also be arranged on the different outer walls of a PLC10.Second luminescence unit 22 and the second optical detecting unit 24 can also be arranged
On the different outer walls of the 2nd PLC20.
In the embodiment shown in Fig. 1 and Fig. 2, a PLC10 and the 2nd PLC20 abuts in the horizontal direction.
First luminescence unit 12 and the first optical detecting unit 14 are arranged at a PLC10 against on the sidewall 11 of the 2nd PLC20.Second
Light unit 22 and the second optical detecting unit 24 are arranged at the 2nd PLC20 against on the sidewall 21 of a PLC10, and second is luminous single
Unit 22 is arranged corresponding to the first optical detecting unit 14, and the second optical detecting unit 24 is arranged corresponding to the first luminescence unit 12.So
Design, contribute to a PLC10 and the arrangement of the 2nd PLC20, data laser propagation effect is good.
In the embodiment shown in Fig. 1 and Fig. 2, also include a bracing frame 32, a PLC10 and the 2nd PLC20 peace
It is loaded on bracing frame 32.
Fig. 3 and Fig. 4 is in order to illustrate the decomposition texture schematic diagram of the another kind of exemplary embodiment of PLC redundant component.As
Figure shown in, a PLC10 and the 2nd PLC20 in the vertical direction fold against.First luminescence unit 12 and the detection of the first light are single
Unit 14 is arranged at a PLC1010 against on the outer wall 13 of the 2nd PLC1020.Second luminescence unit 22 and the second optical detecting unit
24 are arranged at the 2nd PLC20 against on the outer wall 23 of PLC10, and the second luminescence unit 22 sets corresponding to the first optical detecting unit 14
Putting, the second optical detecting unit 24 is arranged corresponding to the first luminescence unit 12.Such design, contributes to a PLC10 and second
The arrangement of PLC20, data laser propagation effect is good.
In the embodiment shown in Fig. 3 and Fig. 4, also include first bracing frame 34 and second bracing frame 36,
Oneth PLC10 is installed on the first bracing frame 34, and the 2nd PLC20 is installed on the second bracing frame 36.
In the embodiment shown in figure 2, a PLC10 also includes first toggle switch 16, the first toggle switch
16 can export a first mode control signal, work controlling the first luminescence unit 12 and/or the first optical detecting unit 14.
The pattern wherein switched can be such as down loading updating pattern, upload data pattern, data diagnosis pattern etc., according to different moulds
Formula, controls luminous first module 12 and/or the first optical detecting unit 14 works.2nd PLC20 also includes that second dial-up is opened
Closing 26, the second toggle switch 26 can export second mode control signal, to control the second luminescence unit 22 and/or second
Optical detecting unit 24 works.The pattern of same switching can be such as down loading updating pattern, upload data pattern, data diagnosis mould
Formulas etc., according to different patterns, control luminous second unit 22 and/or the second optical detecting unit 24 work.
This utility model additionally provides a kind of control equipment, and it includes an above-mentioned PLC redundant component.This control equipment example
DCS system etc. in this way.
It is to be understood that, although this specification describes according to each embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book can also form those skilled in the art permissible through appropriately combined as an entirety, the technical scheme in each embodiment
Other embodiments understood.
The a series of detailed description of those listed above is only for the concrete of possible embodiments of the present utility model
Illustrating, they are also not used to limit protection domain of the present utility model, all without departing from this utility model skill spirit made etc.
Effect embodiment or change, as feature combination, split or repeat, within should be included in protection domain of the present utility model.
Claims (10)
1. programmable logic controller redundant component, it is characterised in that comprising:
One the first programmable logic controller (10), comprising:
One the first luminescence unit (12), the data in described first programmable logic controller (10) can be converted to by it
One light pulse output signal, and export first group of light pulse with this, and
One the first optical detecting unit (14), it is able to receive that second group of light pulse, to obtain the first light pulse input signal, and
This first light pulse input signal can be converted to the data that described first programmable logic controller (10) can be read；And
One the second programmable logic controller (20), comprising:
One the second luminescence unit (22), the data in described second programmable logic controller (20) can be converted to by it
Two light pulse output signals, and export described second group of light pulse with this, and
One the second optical detecting unit (24), it is able to receive that described first group of light pulse, to obtain the second light pulse input letter
Number, and this second light pulse input signal can be converted to the number that described second programmable logic controller (20) can be read
According to.
2. programmable logic controller redundant component as claimed in claim 1, it is characterised in that
Described first luminescence unit (12) and described first optical detecting unit (14) are arranged at described first Programmadle logic and control
On one outer wall of device (10),
Described second luminescence unit (22) and described second optical detecting unit (24) are arranged at described second Programmadle logic and control
On one outer wall of device (20).
3. programmable logic controller redundant component as claimed in claim 2, it is characterised in that
Described first programmable logic controller (10) and described second programmable logic controller (20) phase in the horizontal direction
Mutually against；
Described first luminescence unit (12) and described first optical detecting unit (14) are arranged at described first Programmadle logic and control
Device (10) is against on the sidewall (11) of the second programmable logic controller (20)；
Described second luminescence unit (22) and described second optical detecting unit (24) are arranged at described second Programmadle logic and control
Device (20) is against on the sidewall (21) of the first programmable logic controller (10), and described second luminescence unit (22) is corresponding to institute
Stating the first optical detecting unit (14) to arrange, described second optical detecting unit (24) sets corresponding to described first luminescence unit (12)
Put.
4. programmable logic controller redundant component as claimed in claim 3, it is characterised in that also include a bracing frame
(32), described first programmable logic controller (10) and described second programmable logic controller (20) are installed on described support
Frame (32).
5. programmable logic controller redundant component as claimed in claim 2, it is characterised in that
Described first programmable logic controller (10) and described second programmable logic controller (20) in the vertical direction are folded
Fall against；
Described first luminescence unit (12) and described first optical detecting unit (14) are arranged at described first Programmadle logic and control
Device (10) is against on the outer wall (13) of the second programmable logic controller (20)；
Described second luminescence unit (22) and described second optical detecting unit (24) are arranged at described second Programmadle logic and control
Device (20) is against on the outer wall (23) of the first programmable logic controller (10), and described second luminescence unit (22) is corresponding to institute
Stating the first optical detecting unit (14) to arrange, described second optical detecting unit (24) sets corresponding to described first luminescence unit (12)
Put.
6. programmable logic controller redundant component as claimed in claim 5, it is characterised in that also include:
One the first bracing frame (34), described first programmable logic controller (10) is arranged at described first bracing frame (34)；
One the second bracing frame (36), described second programmable logic controller (20) is arranged at described second bracing frame (36).
7. programmable logic controller redundant component as claimed in claim 1, it is characterised in that described first luminescence unit
And described second luminescence unit (22) includes a light emitting diode that can send light pulse respectively (12).
8. programmable logic controller redundant component as claimed in claim 1, it is characterised in that the first optical detecting unit (14)
It is photodiode with described second optical detecting unit (24).
9. programmable logic controller redundant component as claimed in claim 1, it is characterised in that
Described first programmable logic controller (10) also includes first toggle switch (16), described first toggle switch
(16) a first mode control signal can be exported, to control described first luminescence unit (12) and/or described first light inspection
Survey unit (14) work；
Described second programmable logic controller (20) also includes second toggle switch (26), described second toggle switch
(26) second mode control signal can be exported, to control described second luminescence unit (22) and/or described second light inspection
Survey unit (24) work.
10. control equipment, it is characterised in that it includes a Programmadle logic control as claimed in any one of claims 1-9 wherein
Device redundant component processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820038.8U CN205862205U (en) | 2016-07-29 | 2016-07-29 | Programmable logic controller redundant component and there is its control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620820038.8U CN205862205U (en) | 2016-07-29 | 2016-07-29 | Programmable logic controller redundant component and there is its control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205862205U true CN205862205U (en) | 2017-01-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620820038.8U Expired - Fee Related CN205862205U (en) | 2016-07-29 | 2016-07-29 | Programmable logic controller redundant component and there is its control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205862205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992027A (en) * | 2017-12-13 | 2018-05-04 | 中核控制系统工程有限公司 | A kind of DCS redundant communication modules switching method |
-
2016
- 2016-07-29 CN CN201620820038.8U patent/CN205862205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107992027A (en) * | 2017-12-13 | 2018-05-04 | 中核控制系统工程有限公司 | A kind of DCS redundant communication modules switching method |
| CN107992027B (en) * | 2017-12-13 | 2020-05-22 | 中核控制系统工程有限公司 | DCS redundant communication module switching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20210729 |