CN205592066U - Protection circuit structure of fan control system monitor - Google Patents
Protection circuit structure of fan control system monitor Download PDFInfo
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- CN205592066U CN205592066U CN201620403638.4U CN201620403638U CN205592066U CN 205592066 U CN205592066 U CN 205592066U CN 201620403638 U CN201620403638 U CN 201620403638U CN 205592066 U CN205592066 U CN 205592066U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a protection circuit structure of fan control system monitor, this fan control system monitor includes collection system, is communication connection between collection system and the programmable logic controler, collection system's power input end and uninterrupted power source's power output end electric connection, characterized by: protection circuit structure includes the detection piece, carries out piece and transmission piece, wherein, be electric connection between detection piece and uninterrupted power source's the input power, and be used for detecting this uninterrupted power source's input signal battery, it is used for ordering about the collection system shutdown to carry out the piece, a transmission signal connection just is used for carrying the signal of detection piece to the execution piece between detection piece and execution piece. Above -mentioned protection circuit structure has the advantage that simple structure is practical, can prevent that fan control system's monitor from shutting down unusually under uninterrupted power source's the input power outage circumstances, guarantees that the monitor can lastingly reliable operation.
Description
Technical field
This utility model belongs to the control system field of wind power generating set, is specifically related to the protection circuit structure of a kind of blower fan control system monitor.
Background technology
Wind energy is inexhaustible, one of preferable clean energy resource.Wind energy, for hydropenia, short bunker and ungetable offshore islands, Pastoral Areas, mountain area and highlands, utilizes wind-power electricity generation treatment in accordance with local conditions, is especially suitable for.
Wind power generating set (being called for short: blower fan) is a kind of device that wind energy can be utilized to generate electricity.Wind power generating set is made up of some, and wherein control system extends through each part, and the quality of control system be directly connected to wind power generating set whether can safe and reliable operation, obtain ceiling capacity, it is provided that good power quality.Control system mainly includes various sensor, pitch system, programmable logic controller (PLC) (English abbreviation: PLC), power output unit, reactive compensation unit, cutting-in control unit, security protection unit, communication interface circuit, monitoring unit, and wherein programmable logic controller (PLC) is respectively and the control device of core that is electrically connected with between remaining element or components and parts in control system.
At present, in order to ensure the properly functioning of wind power generating set, by wind field SCADA system, (English full name is prior art: Supervisory Control And Data
Acquisition, Chinese is: data acquisition and supervisor control) wind power generating set (and control system) is carried out data acquisition and storage and is monitored, if notification number is CN202995439U, disclosed " a kind of monitoring system for wind power plant ", this monitoring system includes wind, farm site communication network, wind energy turbine set ring exchanger, wind energy turbine set Intra-Network switch, SCADA system server；Described wind, farm site communication network, described wind energy turbine set ring exchanger, described wind energy turbine set Intra-Network switch and described SCADA system sequence server connect.
But the above-mentioned monitoring system for wind power plant has following weak point in use: SCADA system generally uses OPC standard and MODBUS communications protocol, make data sampling frequency slow (refresh rate of the most hundreds of millisecond to several seconds), transient fault easily there is and the most non-registered situation of SCADA system, be unfavorable for searching quickly and accurately failure cause.
Based on this, applicant solves above-mentioned technical problem in the technical scheme (patent publication No. is CN205036506U) proposing entitled " monitor of a kind of blower fan control system " 2015.10.20 day.The monitor of this blower fan control system, including the acquisition system of the programmable logic controller (PLC) variable data in acquisition control system, described acquisition system includes communication module, processor and memory module；Described processor is electrically connected with described communication module and memory module respectively；Described communication module is connected with described programmable logic controller (PLC) communication based on socket communication agreement.The monitor of above-mentioned blower fan control system can make data sampling frequency more fast and flexible, it is possible to obtains the variable data of detailed control system, helps to realize quick and precisely searching failure cause, improves the efficiency of the operation and maintenance of wind power generating set.
But applicant finds again, the most above-mentioned monitor is by the UPS(uninterrupted power source of blower fan) power.But owing to wind field there will be case accident barrier, and the situation of wind field supply line maintenance, now can close down blower fan and blower fan does not has supply input.So, UPS in blower fan is without input power, UPS typically can also continue outwards power supply about 20 minutes in the case of without input power, when UPS uses up, above-mentioned monitor can cause abnormal shutdown due to losing suddenly of this UPS, causes the database corruption in this monitor or hard disk corruptions.
Based on this, applicant considers that design is a kind of simple and practical, it is possible under the input power powering-off state of uninterrupted power source, prevents the protection circuit structure of the abnormal shutdown of monitor of blower fan control system.
Utility model content
For above-mentioned the deficiencies in the prior art; technical problem to be solved in the utility model is: how to provide a kind of simple and practical; the protection circuit structure of the blower fan control system monitor of the abnormal shutdown of monitor of blower fan control system under the input power powering-off state of uninterrupted power source, can be prevented.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
The protection circuit structure of blower fan control system monitor; wherein; this blower fan control system monitor includes acquisition system, and for communication connection between described acquisition system and programmable logic controller (PLC), the power input of described acquisition system is electrically connected with the power output end of uninterrupted power source；
Described protection circuit structure includes detection piece, executive item and Transmission Part；Wherein, for being electrically connected with between the input power of described detection piece and described uninterrupted power source, and for detecting the input power signal of this uninterrupted power source；Described executive item is used for ordering about the shutdown of described acquisition system；Described Transmission Part signal is connected between described detection piece and described executive item, and for the signal of described detection piece is delivered to described executive item.
The protection circuit structure of above-mentioned blower fan control system monitor is in use; when after the input power power-off of uninterrupted power source; detection piece detects the power-off signal of the input power of uninterrupted power source, and by Transmission Part, this power-off signal is flowed to executive item and order about acquisition system actively shutdown.So; above-mentioned protection circuit structure can effectively prevent the abnormal shutdown of the monitor because causing when uninterrupted power source is used up; thus the memory module of this monitor is protected, prevent the loss of data damaging or causing because of abnormal drop of data base in this monitor.
As preferably, described detection piece is described programmable logic controller (PLC), described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is the controller of described acquisition system, and described controller has the interface for receiving described power supply signal；
Described Transmission Part is photoelectrical coupler or relay, and described Transmission Part uses Serial Port Line to be connected between described outfan and described interface.
Above-mentioned detection piece is programmable logic controller (PLC); the controller of acquisition system is the structure of executive item; the structure that not only can make this protection circuit structure is the simplest; can also the most sufficiently utilize the controller of this programmable logic controller (PLC) and acquisition system, improve the service efficiency that this blower fan control system is overall further.
Use photoelectrical coupler or relay as Transmission Part, and this Transmission Part uses Serial Port Line connection signal to be connected to the structure between described outfan and described interface, available employing photoelectrical coupler or relay have good buffer action to input, the output signal of telecommunication, and signal of telecommunication transmission can be made to have the features such as unipolarity, there is good electrical isolation capabilities and capacity of resisting disturbance, therefore can effectively guarantee that the transmission of the input power signal of uninterrupted power source is relatively reliable.
Preferred as another kind, described detection piece is described programmable logic controller (PLC), described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is the controller of described acquisition system, and described controller has the hardware management interface that can be used in ordering about the shutdown of described acquisition system；
Described Transmission Part is photoelectrical coupler or relay, and described Transmission Part is electrically connected between described outfan and described hardware management interface.
Above-mentioned protection circuit structure still is able to shut down in time so that acquisition system and obtain protection.
Preferred as another kind, described detection piece is described programmable logic controller (PLC), described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is electric pushrod, the outer power switch button rectified to and can compress described acquisition system of described electric pushrod upper piston rod；
Described Transmission Part is the cable controlled between end and described outfan being electrically connected at described electric pushrod.
Electric pushrod is used to be used as the structure of executive item, can not only carry out actively shutting down, can also be after shut down by remotely controlling to realize the remote opening of acquisition system, thus it is effectively improved practicality and the ease for use of blower fan control system monitor, improves the operational efficiency of whole air-blower control.
As preferably, described electric pushrod is fixedly mounted on the shell of described acquisition system by support, and the distance after the piston rod rollback of described electric pushrod and between the power switch button of described acquisition system is more than 2cm.
So, electric pushrod is arranged on structure on this acquisition system shell by support so that the integrated level of acquisition system is higher, be more convenient for transport and assembling use.And the distance after the piston rod rollback of electric pushrod and between the power switch button of described acquisition system is more than 2cm, leaving such gap can be when this electric pushrod cannot run because breaking down, artificial hands operates the on and off switch of acquisition system, thus realize acquisition system shutdown the most actively, it is ensured that the safe operation of monitor.
The protection circuit structure of blower fan control system monitor of the present utility model; there is simple and practical advantage; the abnormal shutdown of monitor of blower fan control system under the input power powering-off state of uninterrupted power source, can be prevented, it is ensured that monitor can run the most reliably.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the protection circuit structure of this utility model blower fan control system monitor.
Fig. 2 is the structural representation of the second embodiment of the protection circuit structure of this utility model blower fan control system monitor.
Fig. 3 is the structural representation of the third embodiment of the protection circuit structure of this utility model blower fan control system monitor.
Figure is labeled as:
1 acquisition system；
2 uninterrupted power sources；
3 programmable logic controller (PLC)s；
4 interfaces；
5 Transmission Parts；
6 electric pushrods；
7 power switch buttons；
8 cables；
9 shells；
10 hardware management interfaces.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, the exemplary term such as such as upper and lower, left and right are used for description, it is therefore intended that help reader understanding, and be not intended to limit.
The first embodiment, as shown in Figure 1:
The protection circuit structure of blower fan control system monitor; wherein; this blower fan control system monitor includes acquisition system 1, and for communication connection between described acquisition system 1 and programmable logic controller (PLC) 3, the power input of described acquisition system 1 is electrically connected with the power output end of uninterrupted power source 2；
Described protection circuit structure includes detection piece, executive item and Transmission Part；Wherein, for being electrically connected with between the input power of described detection piece and described uninterrupted power source 2, and for detecting the input power signal of this uninterrupted power source 2；Described executive item is used for ordering about described acquisition system 1 and shuts down；Described Transmission Part is for being delivered to described executive item by the signal of described detection piece.
Wherein, described detection piece is described programmable logic controller (PLC) 3, described programmable logic controller (PLC) 3 has the input power with described uninterrupted power source 2 and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) 3 also has the outfan for exporting this input power signal；
Described executive item is the controller of described acquisition system 1, and described controller has the interface 4 for receiving described power supply signal；
Described Transmission Part 5 is photoelectrical coupler or relay, and described Transmission Part 5 uses Serial Port Line to be connected between described outfan and described interface 4.
During enforcement; preferably as programmable logic controller (PLC) 3(PLC) uninterrupted power source 2(UPS detected) the power-off continuous 120s of input power after; sending stopping signal to acquisition system 1, this acquisition system 1 detects that this stopping signal can perform actively shutdown command after continuing 150S again.So, the delay of stopping signal sends, and the delay of acquisition system 1 actively shutdown, it is possible to effectively reply the situation of power supply after the input power power-off of prevention uninterrupted power source 2 in the short time so that acquisition system 1 is run the most reliable.
During enforcement, it is possible to use the one in digital electronic ammeter or digital voltmeter to be used as detection piece, so, it is possible to utilize the signal output part of digital electronic ammeter or digital voltmeter to export the input power signal of uninterrupted power source 2.
The second embodiment, as shown in Figure 2:
Present embodiment is with the first embodiment difference: described controller has the hardware management interface 10 that can be used in ordering about the shutdown of described acquisition system；Described Transmission Part 5 is electrically connected between described outfan and described hardware management interface 10.
The third embodiment, as shown in Figure 3:
Present embodiment is with above two embodiment difference: described detection piece is described programmable logic controller (PLC) 3, described programmable logic controller (PLC) 3 has the input power with described uninterrupted power source 2 and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) 3 also has the outfan for exporting this input power signal；
Described executive item is electric pushrod 6, the outer power switch button 7 rectified to and can compress described acquisition system 1 of described electric pushrod 6 upper piston rod；
Described Transmission Part is the cable 8 controlled between end and described outfan being electrically connected at described electric pushrod 6.
During enforcement, described electric pushrod 6 can be selected in uninterrupted power source 2, programmable logic controller (PLC) 3 or storage battery that any one is powered.All ensure that the reliability service of electric pushrod 6.
Wherein, described electric pushrod 6 is fixedly mounted on the shell 9 of described acquisition system 1 by support, and the distance after the piston rod rollback of described electric pushrod 6 and between the power switch button 7 of described acquisition system 1 is more than 2cm.
The protection circuit structure of the blower fan control system monitor of above-mentioned three kinds of embodiments is in use; when after the input power power-off of uninterrupted power source 2; detection piece detects the power-off signal of the input power of uninterrupted power source 2, and by Transmission Part, this power-off signal is flowed to executive item and order about acquisition system 1 actively shutdown.So; above-mentioned protection circuit structure can effectively prevent the abnormal shutdown of the monitor because causing when uninterrupted power source 2 is used up; thus the memory module of this monitor is protected, prevent the loss of data damaging or causing because of abnormal drop of data base in this monitor.
Below be only this utility model preferred embodiment; need to point out be; for those skilled in the art on the premise of without departing from the technical program, it is also possible to make some deformation and improvement, the technical scheme of above-mentioned deformation and improvement should be contemplated as falling within the scope that this application claims equally.
Claims (5)
1. the protection circuit structure of blower fan control system monitor; wherein; this blower fan control system monitor includes acquisition system, and for communication connection between described acquisition system and programmable logic controller (PLC), the power input of described acquisition system is electrically connected with the power output end of uninterrupted power source；It is characterized in that:
Described protection circuit structure includes detection piece, executive item and Transmission Part；Wherein, for being electrically connected with between the input power of described detection piece and described uninterrupted power source, and for detecting the input power signal of this uninterrupted power source；Described executive item is used for ordering about the shutdown of described acquisition system；Described Transmission Part is for being delivered to described executive item by the signal of described detection piece.
Protection circuit structure the most according to claim 1; it is characterized in that: described detection piece is described programmable logic controller (PLC); described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is the controller of described acquisition system, and described controller has the interface for receiving described power supply signal；
Described Transmission Part is photoelectrical coupler or relay, and described Transmission Part uses Serial Port Line to be connected between described outfan and described interface.
Protection circuit structure the most according to claim 1; it is characterized in that: described detection piece is described programmable logic controller (PLC); described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is the controller of described acquisition system, and described controller has the hardware management interface that can be used in ordering about the shutdown of described acquisition system；
Described Transmission Part is photoelectrical coupler or relay, and described Transmission Part is electrically connected between described outfan and described hardware management interface.
Protection circuit structure the most according to claim 1; it is characterized in that: described detection piece is described programmable logic controller (PLC); described programmable logic controller (PLC) has the input power with described uninterrupted power source and is connected and for gathering the terminals of this input power signal, described programmable logic controller (PLC) also has the outfan for exporting this input power signal；
Described executive item is electric pushrod, the outer power switch button rectified to and can compress described acquisition system of described electric pushrod upper piston rod；
Described Transmission Part is the cable controlled between end and described outfan being electrically connected at described electric pushrod.
Protection circuit structure the most according to claim 4; it is characterized in that: described electric pushrod is fixedly mounted on the shell of described acquisition system by support, the distance after the piston rod rollback of described electric pushrod and between the power switch button of described acquisition system is more than 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403638.4U CN205592066U (en) | 2016-05-06 | 2016-05-06 | Protection circuit structure of fan control system monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620403638.4U CN205592066U (en) | 2016-05-06 | 2016-05-06 | Protection circuit structure of fan control system monitor |
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| Publication Number | Publication Date |
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| CN205592066U true CN205592066U (en) | 2016-09-21 |
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| CN201620403638.4U Active CN205592066U (en) | 2016-05-06 | 2016-05-06 | Protection circuit structure of fan control system monitor |
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- 2016-05-06 CN CN201620403638.4U patent/CN205592066U/en active Active
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