CN205901295U - PLC dual power supply system - Google Patents
PLC dual power supply system Download PDFInfo
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- CN205901295U CN205901295U CN201620715816.7U CN201620715816U CN205901295U CN 205901295 U CN205901295 U CN 205901295U CN 201620715816 U CN201620715816 U CN 201620715816U CN 205901295 U CN205901295 U CN 205901295U
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- plc
- power supply
- supply system
- dual power
- power module
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Abstract
The utility model discloses a PLC dual power supply system, it is including mains side and load side, its mutual electric connection, PLC dual power supply system's mains side is including two PLC power module that connect in parallel each other, PLC dual power supply system's load side is including two PLC loads of connecting in parallel each other, adopt above -mentioned technical scheme's PLC dual power supply system, the PLC power module's that its accessible is two setting, so that its to PLC the load supply power respectively, and an arbitrary PLC power module is when damaging, remaining PLC power module still can keep the PLC load normally to operate, the job stabilization nature that causes the PLC dual power supply system in this application can show to be improved, simultaneously also indirect efficiency and the cost that makes in the production process can be controlled.
Description
Technical field
The present invention relates to field of electrical control, especially a kind of plc dual power supply system.
Background technology
With the evolution of industrialization step, the automation of production equipment, intelligent level more and more higher.In control system
In, the normal operation of Programmable Logic Controller plc needs the stable uninterrupted power supply of power module.The power supply of plc is typically by one
Individually power module provides, and because of the specific function of controller plc, needs to run always, and grow in the case of continuous production
The using and affected by electric network source quality, working environment etc. of time, power module damages and happens occasionally.Power module damages straight
Connect and lead to controller to jump electricity, produce and terminate.And because overall jump electricity when lose the failture evacuation difficulty that prompt functions cause and
Time greatly increases, and needs to carry out detection investigation one by one, it all can cause extreme influence for the efficiency that enterprise produces with cost.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of plc electric supply system, and it can make system working stability
Property be improved, with the plc phenomenon that cannot operate of load avoiding plc power module to lead to when damaging.
For solving above-mentioned technical problem, the present invention relates to a kind of plc dual power supply system, its include mains side and
Load-side, it is electrically connected with each other；The mains side of described plc dual power supply system includes two plc being connected in parallel to each other
Power module, the load-side of described plc dual power supply system includes two plc loads being connected in parallel to each other.
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
Block is all in series with a diode, and the conducting direction of diode is identical with the sense of current of its position.
As a modification of the present invention, in the mains side of described plc dual power supply system, each diode is all provided with
It is equipped with the positive pole correspondence position of plc power module.Using technique scheme, its can by the unilateral conduction of diode, with
Avoid producing between two plc power modules and collide with each other, thus further improving plc dual power supply system in the application
Job stability.
As a modification of the present invention, described plc dual power supply system is made up of multiple plc switch boards, each
A plc power module is all included in plc switch board；Two plc electricity in the mains side of described plc dual power supply system
Source module is made up of the plc power module in two adjacent plc switch boards respectively.Using technique scheme, it can make
Plc dual power supply system in the application is realized based on existing equipment, causes it to build efficiency and is entered one with cost
The control of step.
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
Block is all using 24v voltage.
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
The two ends of block have been respectively connected to plc digital quantity input module.
As a modification of the present invention, described plc dual power supply system is provided with double for plc in the course of the work
The detection method of electric supply system, it includes following detecting step:
1) two plc power modules in the mains side of plc dual power supply system are opened, and defeated by plc digital quantity
Enter the input signal for each plc power module within the plc power module working time for the module and carry out real-time detection；
2) when the input signal in any plc digital quantity input module disconnects, then judge this plc digital quantity input module
The plc power module of corresponding connection damages.
As a modification of the present invention, the step 2 of the detection method of described plc dual power supply system) in, arbitrarily
After input signal in plc digital quantity input module disconnects, this plc digital quantity input module passes through connection to acousto-optic module and enters
Row alarm processing.Using technique scheme, it can pass through the setting of plc digital quantity input module for system work process
In the state of two plc power modules carry out real-time detection, and by reminding staff, the plc power module damaging is carried out
On-call maintenance and replacing, so that the plc dual power supply system in the application remains at normal operating phase.
Using the plc dual power supply system of technique scheme, it can pass through the setting of the plc power module of two,
So that it is powered respectively for plc load, and when any one plc power module damages, remaining plc power module is still
Plc load can be kept to be able to normal operation, cause the job stability of the plc dual power supply system in the application to be able to significantly
Improve, so that the efficiency in production process and cost is controlled simultaneously.
Brief description
Fig. 1 is schematic diagram of the present invention；
Reference numerals list:
1 plc power module, 2 plc loads, 3 diodes.
Specific embodiment
With reference to the accompanying drawings and detailed description, be further elucidated with the present invention it should be understood that following specific embodiment only
For the present invention being described rather than limiting the scope of the present invention.It should be noted that word " front " used in describing below,
" afterwards ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " interior " and " outward " refer respectively to towards or remote
Direction from particular elements geometric center.
Embodiment 1
A kind of plc dual power supply system as shown in Figure 1, it includes mains side and load-side, and it is electric each other
Property connect；The mains side of described plc dual power supply system includes two plc power modules 1 being connected in parallel to each other, described plc
The load-side of dual power supply system includes two plc loads 2 being connected in parallel to each other.
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
Block 1 is all in series with a diode 3, and the conducting direction of diode 3 is identical with the sense of current of its position.
As a modification of the present invention, in the mains side of described plc dual power supply system, each diode 3 is equal
It is provided with the positive pole correspondence position of plc power module 1.Using technique scheme, its can by the unilateral conduction of diode,
Collided with each other with avoiding producing between two plc power modules, thus further improving plc dual power supply system in the application
The job stability of system.
As a modification of the present invention, described plc dual power supply system is made up of multiple plc switch boards, each
A plc power module 1 is all included in plc switch board；Two plc in the mains side of described plc dual power supply system
Power module 1 is made up of the plc power module in two adjacent plc switch boards respectively.Using technique scheme, it can make
The plc dual power supply system obtaining in the application is realized based on existing equipment, causes it to build efficiency and is entered with cost
The control of one step.
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
Block 1 is all using 24v voltage.
Using the plc dual power supply system of technique scheme, it can pass through the setting of the plc power module of two,
So that it is powered respectively for plc load, and when any one plc power module damages, remaining plc power module is still
Plc load can be kept to be able to normal operation, cause the job stability of the plc dual power supply system in the application to be able to significantly
Improve, so that the efficiency in production process and cost is controlled simultaneously.
Embodiment 2
As a modification of the present invention, in the mains side of described plc dual power supply system, each plc power supply mould
The two ends of block 1 have been respectively connected to plc digital quantity input module.
As a modification of the present invention, described plc dual power supply system is provided with double for plc in the course of the work
The detection method of electric supply system, it includes following detecting step:
1) two plc power modules in the mains side of plc dual power supply system are opened, and defeated by plc digital quantity
Enter the input signal for each plc power module within the plc power module working time for the module and carry out real-time detection；
2) when the input signal in any plc digital quantity input module disconnects, then judge this plc digital quantity input module
The plc power module of corresponding connection damages.
As a modification of the present invention, the step 2 of the detection method of described plc dual power supply system) in, arbitrarily
After input signal in plc digital quantity input module disconnects, this plc digital quantity input module passes through connection to acousto-optic module and enters
Row alarm processing.Using technique scheme, it can pass through the setting of plc digital quantity input module for system work process
In the state of two plc power modules carry out real-time detection, and by reminding staff, the plc power module damaging is carried out
On-call maintenance and replacing, so that the plc dual power supply system in the application remains at normal operating phase.
Remaining feature of the present embodiment is all same as Example 1 with advantage.
Claims (6)
1. a kind of plc dual power supply system it is characterised in that described plc dual power supply system include mains side and
Load-side, it is electrically connected with each other；The mains side of described plc dual power supply system includes two plc being connected in parallel to each other
Power module, the load-side of described plc dual power supply system includes two plc loads being connected in parallel to each other.
2. according to the plc dual power supply system described in claim 1 it is characterised in that described plc dual power supply system
In mains side, each plc power module is all in series with a diode, the conducting direction of diode and the electricity of its position
Stream direction is identical.
3. according to the plc dual power supply system described in claim 2 it is characterised in that described plc dual power supply system
In mains side, each diode is provided with the positive pole correspondence position of plc power module.
4. according to the plc dual power supply system described in claims 1 to 3 any one it is characterised in that described plc is double electric
Source power supply system is made up of multiple plc switch boards, all includes a plc power module in each plc switch board；Described
Two plc power modules in the mains side of plc dual power supply system are respectively by the plc in two adjacent plc switch boards
Power module is constituted.
5. according to the plc dual power supply system described in claim 4 it is characterised in that described plc dual power supply system
In mains side, each plc power module is all using 24v voltage.
6. according to the plc dual power supply system described in claim 5 it is characterised in that described plc dual power supply system
In mains side, the two ends of each plc power module have been respectively connected to plc digital quantity input module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715816.7U CN205901295U (en) | 2016-07-08 | 2016-07-08 | PLC dual power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715816.7U CN205901295U (en) | 2016-07-08 | 2016-07-08 | PLC dual power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901295U true CN205901295U (en) | 2017-01-18 |
Family
ID=57770619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715816.7U Active CN205901295U (en) | 2016-07-08 | 2016-07-08 | PLC dual power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205901295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058843A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | PLC dual power supply system |
-
2016
- 2016-07-08 CN CN201620715816.7U patent/CN205901295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058843A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | PLC dual power supply system |
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| GR01 | Patent grant |