CN109742848A - Automatically controlled bus connection switch system and its control method - Google Patents
Automatically controlled bus connection switch system and its control method Download PDFInfo
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- CN109742848A CN109742848A CN201910156609.0A CN201910156609A CN109742848A CN 109742848 A CN109742848 A CN 109742848A CN 201910156609 A CN201910156609 A CN 201910156609A CN 109742848 A CN109742848 A CN 109742848A
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000004913 activation Effects 0.000 description 1
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Abstract
This application involves a kind of automatically controlled bus connection switch system and its control methods.Automatically controlled bus connection switch system includes automatically controlled bus connection switch group, Power Supply Assembly and control device.Power Supply Assembly is used to provide power supply for automatically controlled bus connection switch group.Control device is electrically connected with Power Supply Assembly, for controlling the switching of automatically controlled bus connection switch group, and detects the folding condition of automatically controlled bus connection switch group.Wherein, automatically controlled bus connection switch group is electrically connected with Power Supply Assembly and control device respectively.In above-mentioned automatically controlled bus connection switch system, control device is detected the folding condition of automatically controlled bus connection switch group, before controlling automatically controlled bus connection switch group switching state to improve safety.Automatically controlled bus connection switch system may be implemented to automatically control the on-off action of automatically controlled bus connection switch group, provides for automatic discharging and safely and effectively controls, and ensure that battery auto charge and discharge is gone on smoothly, and further ensure that backup power system power supply safety.
Description
Technical field
This application involves automatic control technology fields, more particularly to a kind of automatically controlled bus connection switch system and its controlling party
Method.
Background technique
In the power system, Substation Operating power supply, communication power supply, computer room UPS etc. largely use battery as after
Stand-by power source system.For the power supply safety of direct current system, it is double that backup power system generallys use double electricity with two group storage batteries
Fill direct current system.The double direct current systems of filling of double electricity have the first group storage battery and the second group storage battery totally two group storage battery, every group of storage
Battery has independent charger respectively.First group storage battery group is connected to I sections of DC bus, and the second group storage battery is connected to II sections
DC bus.First group storage battery is in main working condition, and the second group storage battery is in from spare floating charge state.I sections of direct currents are female
It is connected between line and II sections of DC bus by armstrong's patent bus connection switch, armstrong's patent bus connection switch is normally opened under normal circumstances
State.
Since the maintenances such as battery needs timing to be discharged, core holds, activation need on the offensive when manually being discharged
Then the group storage battery for needing to discharge is detached from bus, opens fictitious load discharge equipment by armstrong's patent bus connection switch in dynamic circuit connector
It discharges.Therefore, manually live discharge operation is time-consuming and laborious for battery.With automatic control technology application, some single groups store
Battery discharge realizes automatic control electric discharge.But DC power system is filled for double electricity pair, the direct current system when guaranteeing electric discharge
Safety under the premise of realize that the driving of automatically controlled bus connection switch is still a problem.
Summary of the invention
Based on this, it is necessary to be asked for be difficult to realize that automatically controlled bus connection switch automatically controls in the double charging source systems of double electricity
Topic provides a kind of automatically controlled bus connection switch system and its control method.
A kind of automatically controlled bus connection switch system, comprising:
Automatically controlled bus connection switch group；
Power Supply Assembly, for providing power supply for the automatically controlled bus connection switch group；And
Control device is electrically connected with the Power Supply Assembly, for controlling the switching of the automatically controlled bus connection switch group, and is detected
The folding condition of the automatically controlled bus connection switch group；
Wherein, the automatically controlled bus connection switch group is electrically connected with the Power Supply Assembly and the control device respectively.
In above-mentioned automatically controlled bus connection switch system, electricity is provided for the automatically controlled bus connection switch group by the Power Supply Assembly
Source.The control device can control two sections of bus turn on automatically or disengaging, that is, control the automatically controlled bus connection switch group oneself
Dynamic switching, to guarantee power supply safety.In addition, the control device can control the automatically controlled bus connection switch group switching state
Before, the folding condition of the automatically controlled bus connection switch group is detected, to improve the safety of automatic control.The automatically controlled mother
Connection switching system may be implemented to automatically control the on-off action of the automatically controlled bus connection switch group, provide safely and effectively for automatic discharging
Control, ensure that battery auto charge and discharge is gone on smoothly, and further ensure that backup power system power supply safety.
The automatically controlled bus connection switch group includes: in one of the embodiments,
First main contacts and the second main contacts, the armstrong's patent mother for being respectively used to and being set on positive bus-bar and negative busbar
Switch in parallel；
First auxiliary contact and the second auxiliary contact are connected respectively with the control device as closed circuit；And
First coil and the second coil are connected respectively with the Power Supply Assembly and the control device as closed circuit.
The automatically controlled bus connection switch group in one of the embodiments, further include:
Main contacts terminal block, first main contacts and second main contacts are set to the main contacts terminal block；
Auxiliary contact terminal block, first auxiliary contact and second auxiliary contact are set to the auxiliary contact end
Son row；And
Coil terminals row, the first coil and second coil are set to the coil terminals row.
The automatically controlled bus connection switch group includes: in one of the embodiments,
Four D.C. contactors, each D.C. contactor include a main contacts, an auxiliary contact and a coil；
Wherein, two main contact parallels are first main contacts, other two described main contact parallel is described
Second main contacts；
Two auxiliary contact parallel connections are first auxiliary contact, other two described auxiliary contact parallel connection is described
Second auxiliary contact；And
Two coils from parallel connection of coils are the first coil, other two described coils from parallel connection of coils is second coil.
The automatically controlled bus connection switch group in one of the embodiments, further include:
Shell, the D.C. contactor are set in the accommodating chamber that the shell defines.
The Power Supply Assembly includes: in one of the embodiments,
First power supply unit is connected respectively with the control device and the first coil as closed circuit；And
Second power supply unit is connected respectively with the control device and second coil as closed circuit.
The control device is provided in one of the embodiments,
Output interface after connecting with the Power Supply Assembly, connects with the first coil and second coil respectively and is
Closed circuit；And
Input interface is connected respectively with first auxiliary contact and second auxiliary contact as closed circuit.
The output interface includes: in one of the embodiments,
First output interface is connected respectively with the Power Supply Assembly and the first coil as closed circuit；And
Second output interface is connected respectively with the Power Supply Assembly and second coil as closed circuit.
The input interface includes: in one of the embodiments,
First input interface is connected with first auxiliary contact as closed circuit；And
Second input interface is connected with second auxiliary contact as closed circuit.
The control device includes: in one of the embodiments,
Communication device, for being communicated with controlling terminal.
A kind of automatically controlled bus connection switch system control method, comprising:
Control device receives control instruction；
The control device detects the folding condition of automatically controlled bus connection switch group；
According to the control instruction, whether just the control device judges the folding condition of the automatically controlled bus connection switch group
Often；
Folding condition and electric discharge abnormal signal, the control device according to the automatically controlled bus connection switch group control the electricity
Control the switching of bus connection switch group.
The control device detected in the step of folding condition of automatically controlled bus connection switch group in one of the embodiments,
Include:
Coding is combined to the folding condition of the automatically controlled bus connection switch group；
The control device obtains the state encoding of the automatically controlled bus connection switch group.
Coding is combined in the folding condition to the automatically controlled bus connection switch group in one of the embodiments,
In step, the mode of the assembly coding are as follows: the closed state of the first main contacts and the second main contacts is encoded to ' 0 ', disconnects shape
State is encoded to ' 1 ', and the high coding of the assembly coding is first main contacts for being set to positive bus-bar or second master
The folding condition of contact, low level are encoded to the folding shape of first main contacts or second main contacts that are set to negative busbar
State.
The folding condition according to the automatically controlled bus connection switch group and the abnormal letter of electric discharge in one of the embodiments,
Number, the step of control device controls the switching of the automatically controlled bus connection switch group, comprising:
When the automatically controlled bus connection switch group state is normal, and the control device receive electric discharge it is abnormal close it is described automatically controlled
After the control signal or abnormal conditions of bus connection switch group release the control signal for disconnecting the automatically controlled bus connection switch group, the control
Device feeds back normal information, and drives the switching of the automatically controlled bus connection switch group；
When the automatically controlled bus connection switch group abnormal state, the control device feeds back exception information.
In one of the embodiments, the step of the control device detects the folding condition of automatically controlled bus connection switch group it
Before, comprising:
The control device detects the output state of the Power Supply Assembly.
The automatically controlled bus connection switch system and its control method provided by the above embodiment, by the way that the first main touching is arranged
Point, second main contacts, first auxiliary contact, second auxiliary contact, the first coil and second line
Circle can realize the on-off control to two sections of positive bus-bars and two sections of negative busbars respectively.The main contacts terminal block, auxiliary touching
Point terminal block, coil terminals row can form standardization connecting terminal, and the shell can be the automatically controlled bus connection switch
Group provides protection.By that can prevent from missing by two main contacts, two auxiliary contact and two coils from parallel connection of coils
Movement improves the safety of the automatically controlled mother system.First power supply unit and second power supply unit can be distinguished
The part automatically controlled bus connection switch group power supply to be set to the positive and negative bus.The output interface is for controlling the electricity
The switching of bus connection switch group is controlled, the input interface may be implemented to propose the monitoring of the automatically controlled bus connection switch group folding condition
The high safety of the automatically controlled bus connection switch system.The automatically controlled mother service system and its control method, can effectively solve
Certainly the double electricity of substation are double fills the problem of battery automatic discharging and bus connection switch automatically control in DC power system.The electricity
Control bus connection switch system control method has ensured the safety and reliability of DC power system battery automatic discharging, improves
The intellectually and automatically of transforming plant DC power supply system is horizontal.
Detailed description of the invention
Fig. 1 is a kind of automatically controlled bus connection switch system structure signal in part for being set to positive bus-bar provided by the embodiments of the present application
Figure；
Fig. 2 shows for the automatically controlled bus connection switch system structure in part that another kind provided by the embodiments of the present application is set to positive bus-bar
It is intended to；
Fig. 3 is that another automatically controlled bus connection switch system structure in part for being set to positive bus-bar provided by the embodiments of the present application is shown
It is intended to；
Fig. 4 is a kind of automatically controlled bus connection switch system structure signal in part for being set to negative busbar provided by the embodiments of the present application
Figure；
Fig. 5 is a kind of automatically controlled bus connection switch group structural schematic diagram provided by the embodiments of the present application；
Fig. 6 is a kind of controling device structure diagram provided by the embodiments of the present application；
Fig. 7 is a kind of automatically controlled bus connection switch system control method flow chart provided by the embodiments of the present application；
Fig. 8 is the automatically controlled bus connection switch system control method flow chart of another kind provided by the embodiments of the present application.
Drawing reference numeral explanation
100 automatically controlled bus connection switch systems
10 automatically controlled bus connection switch groups
102 D.C. contactors
110 main contacts
111 first main contacts
112 second main contacts
120 auxiliary contact
121 first auxiliary contact
122 second auxiliary contact
130 coils
131 first coils
132 second coils
140 main contacts terminal blocks
150 auxiliary contact terminal blocks
160 coil terminals row
170 shells
172 accommodating chambers
20 Power Supply Assemblies
210 first power supply units
220 second power supply units
30 control devices
310 output interfaces
311 first output interfaces
312 second output interfaces
320 input interfaces
321 first input interfaces
322 second input interfaces
330 communication devices
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, the application provides a kind of automatically controlled bus connection switch system 100.The automatically controlled bus connection switch system 100 is wrapped
Include automatically controlled bus connection switch group 10, Power Supply Assembly 20 and control device 30.The Power Supply Assembly 20 is used to open for the automatically controlled mother
Pass group 10 provides power supply.The control device 30 is electrically connected with the Power Supply Assembly 20.The control device 30 is for controlling institute
The switching of automatically controlled bus connection switch group 10 is stated, and detects the folding condition of the automatically controlled bus connection switch group 10.Wherein, the automatically controlled mother
Connection switching group 10 is electrically connected with the Power Supply Assembly 20 and the control device 30 respectively.
Double electricity pair that the automatically controlled bus connection switch system 100 can be applied to substation DC110V fill DC power system.
Meanwhile the automatically controlled bus connection switch system 100 also can be applied to double electricity of other field and double fill backup power system, such as political affairs
Uninterruptible power system, communication base station and electric power and EPS emergency power supply of the data centers such as mansion, the railway system etc..Double electricity are double
Filling direct current system includes the first battery group and the second battery group.The first battery group is electrically connected with I section of DC bus.
The second battery group is electrically connected with II section of DC bus.Lead between I section of DC bus and II section of DC bus
Cross the connection of armstrong's patent bus connection switch.It, can be by the automatically controlled bus connection switch when using the automatically controlled bus connection switch system 100
Group 10 is in parallel with the armstrong's patent bus connection switch.Fig. 2 is referred to, in one embodiment, I section of DC bus and described
It can directly be connected by the automatically controlled bus connection switch group 10 between II section of DC bus.The automatically controlled bus connection switch system 100
It can detecte automatically controlled 10 state of bus connection switch group and control the switching of the automatically controlled bus connection switch group 10.
The automatically controlled bus connection switch group 10 includes multiple automatically controlled bus connection switches, and the multiple automatically controlled bus connection switch is divided into two
Group.Each group of the multiple automatically controlled bus connection switch carries out in parallel, is respectively used to control that double electricity are double to fill DC power system
Positive bus-bar and negative busbar.Pass through the multiple automatically controlled bus connection switch in parallel, it is possible to reduce malfunction improves the automatically controlled mother
The safety of switching group 10 reduces failure rate.
The Power Supply Assembly 20 can be Switching Power Supply, and the core component of the Switching Power Supply 110 is DC-DC converter.Institute
Stating Switching Power Supply can be DCDC driving power module.The i.e. described Power Supply Assembly 20 may include DCDC driving power module, institute
Stating DCDC driving power module is that the automatically controlled bus connection switch group 10 provides DC supply.In one embodiment, described
The input of DCDC driving power module can be DC110V, and output can be DC24V.The input of the DCDC power module terminates
Enter on transformer substation system DC110V DC bus, directly carry out taking electricity from DC bus, power without additional power supply, simplifies
The structure of the automatically controlled bus connection switch system 100.The DC24V of the DCDC power module is exported, and can be concatenated by conducting wire
The automatically controlled bus connection switch group 10 is accessed in the control device 30, then by conducting wire, it is right that the control device 30 can be realized
The drive control of the automatically controlled bus connection switch group 10.It is appreciated that the DCDC driving power module has small power consumption, efficiency
High, small in size, light-weight and wide voltage stabilized range advantage.
The control device 30 is used for the drive control of the automatically controlled bus connection switch group 10.The control device 30 can wrap
Include bus connection switch monitoring module.The bus connection switch monitoring module can execute the control automatically controlled bus connection switch group
The order of 10 opening and closing movements, to control the folding of the automatically controlled bus connection switch group 10.It is appreciated that the bus connection switch state
The folding condition of the automatically controlled bus connection switch group 10 can be monitored in real time in monitoring module, and will test information and feed back to control eventually
End, further improves the safety of the automatically controlled bus connection switch system 100.Without limitation to the controlling terminal, the control
Terminal processed is the upper level control device of the control device 30.
The automatically controlled bus connection switch system 100 is that the automatically controlled bus connection switch group 10 provides electricity by the Power Supply Assembly 20
Source.The control device 30 can control two sections of bus turn on automatically or disengaging, that is, control the automatically controlled bus connection switch group 10
Automatic switching, to guarantee power supply safety.In addition, the control device 30 can control the automatically controlled bus connection switch group 10
Before switching state, the folding condition of the automatically controlled bus connection switch group 10 is detected, to improve the safety of automatic control.
The automatically controlled bus connection switch system 100 may be implemented to automatically control the on-off action of the automatically controlled bus connection switch group 10, be automatic
Electric discharge is provided and is safely and effectively controlled, and ensures that battery auto charge and discharge is gone on smoothly, and further ensure that backup power system
Power supply safety.
Please also refer to Fig. 3-Fig. 4, in one embodiment, the automatically controlled bus connection switch group 10 includes the first main contacts
111, the second main contacts 112, the first auxiliary contact 121, the second auxiliary contact 122, first coil 131 and the second coil 132.Institute
It states the first main contacts 111 and second main contacts 112 is respectively used to and is set to armstrong's patent on positive bus-bar and negative busbar
Bus connection switch is in parallel.First auxiliary contact 121 and second auxiliary contact 122 are connected with the control device 30 respectively
For closed circuit.The first coil 131 and second coil 132 respectively with the Power Supply Assembly 20 and the control device
30 series connection are closed circuit.
First main contacts 111, first auxiliary contact 121 and the first coil 131 are for controlling both ends institute
State the on-off of positive bus-bar.Second main contacts 112, second auxiliary contact 122 and second coil 132 are for controlling
The on-off of negative busbar described in both ends.First main contacts 111 and second main contacts 112 are respectively used to and are set to described
Armstrong's patent bus connection switch on positive bus-bar and the negative busbar is in parallel, to access, double electricity are double to fill DC power system
On the DC bus of both ends.First main contacts 111 and second main contacts 112 can be controlled separately the positive bus-bar and institute
The on-off of negative busbar is stated, to control the access of the backup power system.First auxiliary contact 121 and described second auxiliary
Contact 122 is helped to connect respectively with the control device 30 for closed circuit.Pass through first auxiliary contact 121 and described second
Auxiliary contact 122, the control device 30 can detecte the folding condition of the automatically controlled bus connection switch group 10, and to folding condition
It is monitored in real time.Above-mentioned setting can be realized simultaneously the control to positive bus-bar and negative busbar.
Please also refer to Fig. 5, in one embodiment, the automatically controlled bus connection switch group 10 further include main contacts terminal block 140,
Auxiliary contact terminal block 150 and coil terminals row 160.First main contacts 111 and second main contacts 112 are set to institute
State main contacts terminal block 140.First auxiliary contact 121 and second auxiliary contact 122 are set to the auxiliary contact
Terminal block 150.The first coil 131 and second coil 132 are set to the coil terminals row 160.
The automatically controlled bus connection switch group 10 can integrate as the main contacts terminal block 140, the auxiliary contact terminal block
150 and the coil terminals row 160.It is uniformly accessed into accordingly after each group of the multiple automatically controlled bus connection switch is in parallel with conducting wire
Interface Terminal is arranged on leg.The main contacts terminal block 140 is in parallel with the armstrong's patent bus connection switch, to be respectively connected to I
The positive and negative bus of Duan Zhiliu and II sections of direct currents are positive and negative, on bus.It is appreciated that the power supply module 20 passes through conducting wire and the control
After device 30 processed is connected, then the coil terminals are accessed by conducting wire and are arranged on 160, the control device 30 can be realized to described
The drive control of the automatically controlled bus connection switch group 10 on positive and negative bus.The control device 30 can access institute by conducting wire
State auxiliary contact terminal block 150.It can detecte the first main touching on positive and negative bus by the auxiliary contact terminal block 150
Point 111 and second main contacts 112 it is whether effectively closed or disconnect.The setting of above-mentioned terminal block can form standardization and connect
Line terminals, and enhance the internal fastness being electrically connected, extend the service life of the automatically controlled bus connection switch system 100.
In one embodiment, the automatically controlled bus connection switch group 10 includes four D.C. contactors 102.Each direct current contact
Device 102 includes 110, auxiliary contact 120 of a main contacts and a coil 130.Wherein, two main contacts 110 are simultaneously
Connection is first main contacts 111, other two described main contacts 110 in parallel is second main contacts 112.Two described auxiliary
Helping contact 120 in parallel is first auxiliary contact 121, other two described auxiliary contact 120 in parallel are second auxiliary
Contact 122.Two coils 130 in parallel are the first coil 131, and it is described that other two described coil 130 is in parallel
Two coil 132.
It is used as the automatically controlled bus connection switch group 10 using four D.C. contactors 102, the automatically controlled mother can be extended
Join the electrical endurance of switching group 10 and improves security performance.The main contacts 110 two one of four D.C. contactors 102
Group is in parallel, in parallel with armstrong's patent mother by the main contacts terminal block 140, to be respectively connected to the I sections of positive and negative buses of direct current
With the II sections of positive and negative buses of direct current.The auxiliary contact 120 of four D.C. contactors 102 and the lead of the coil 130
Also it is in parallel that two one group of progress are corresponded to, and are respectively connected to the auxiliary contact terminal block 150 and coil terminals row 160.
In one embodiment, the automatically controlled bus connection switch group 10 further includes shell 170.The D.C. contactor 102 is set
It is placed in the accommodating chamber 172 that the shell 170 defines.
The automatically controlled bus connection switch group 10 can be with concentrated setting in the accommodating chamber 172 that the shell 170 defines.Institute
Stating shell 170 can be metal material, for mentioning to be set to the automatically controlled bus connection switch group 10 inside the accommodating chamber 172
For protection, to extend the service life of the automatically controlled bus connection switch group 10.The main contacts terminal block 140, auxiliary touching
Point terminal block 150 and coil terminals row 160 are set to outside the accommodating chamber 172, to be formed with specification connecting terminal
Integrated switch functional component.The automatically controlled bus connection switch group 10 by the connecting terminal of standardization and can be set to direct current mother
The armstrong's patent bus connection switch of line is in parallel, and is electrically connected respectively with the Power Supply Assembly 20 and the control device 30.
In one embodiment, the Power Supply Assembly 20 includes the first power supply unit 210 and the second power supply unit 220.Institute
The first power supply unit 210 is stated to be connected with the control device 30 and the first coil 131 respectively as closed circuit.Described second
Power supply unit 220 is connected respectively with the control device 30 and second coil 132 as closed circuit.
First power supply unit 210 and second power supply unit 220 can be DCDC driving power module.It is described
DCDC driving power module directly carries out taking electricity from bus, for providing DC power supply for the automatically controlled bus connection switch group 10.Institute
It is respectively the first coil 131 and second coil 132 that the first power supply unit 210, which is stated, with second power supply unit 220
Power supply, can be realized simultaneously the control of the automatically controlled bus connection switch group 10 described the part being installed on positive bus-bar and negative busbar.
Please also refer to Fig. 6, in one embodiment, the control device 30 is provided with output interface 310 and input connects
Mouth 320.After the output interface 310 is connected with the Power Supply Assembly 20, respectively with the first coil 131 and second line
132 series connection of circle is closed circuit.The input interface 320 is touched with first auxiliary contact 121 and second auxiliary respectively
122 series connection of point is closed circuit.
The control device 30 can be controlled whether by the on-off of the control output interface 310 through the power supply
Component 20 is that the coil 130 of the automatically controlled bus connection switch group 10 is powered, to control the automatically controlled bus connection switch group 10
Switching.Since the auxiliary contact 120 and the main contacts 110 of the automatically controlled bus connection switch group 10 link, the control
Device 30 processed can judge opening for the auxiliary contact 120 of the automatically controlled bus connection switch group 10 by the input interface 320
Conjunction state, to further judge the folding condition of the main contacts 110 of the automatically controlled bus connection switch group 10.It is appreciated that
The control device 30 can be before and after controlling automatically controlled 10 switching of bus connection switch group in whole process, to the automatically controlled mother
The folding condition of switching group 10 carries out real-time monitoring, and the folding condition of the automatically controlled bus connection switch group 10 is fed back to control eventually
End.The controlling terminal can send control instruction according to the folding condition of the automatically controlled mother, to improve control process
Safety.
In one embodiment, the output interface 310 includes the first output interface 311 and the second output interface 312.Institute
The first output interface 311 is stated to be connected with the Power Supply Assembly 20 and the first coil 131 respectively as closed circuit.Described second
Output interface 312 is connected respectively with the Power Supply Assembly 20 and second coil 132 as closed circuit.
In one embodiment, the input interface 320 includes the first input interface 321 and the second input interface 322.Institute
The first input interface 321 is stated to be connected with first auxiliary contact 121 as closed circuit.Second input interface 322 and institute
Stating the series connection of the second auxiliary contact 122 is closed circuit.
Folding condition of the control device 30 for automatically controlled bus connection switch group 10 described in real-time monitoring, and execute control institute
State the control instruction of automatically controlled 10 opening and closing movement of bus connection switch group.First output interface 311 of the control device 30 and institute
The second output interface 312 is stated as output switch parameter interface, and built-in normally opened relay.First power supply unit 210 with it is described
First output interface 311 series connection, for powering for the first coil 131.Second power supply unit 220 and described second defeated
Outgoing interface 312 is connected, for powering for second coil 132.First input interface 321 and second input interface
322 be switch value input interface, is connected with first auxiliary contact 121 and second auxiliary contact 122 respectively as closure
Circuit, for detecting the folding condition of the automatically controlled bus connection switch group 10.In one embodiment, first output interface
311 and second output interface 312 can arrange and 160 be electrically connected with the coil terminals.First input interface 321 and institute
Stating the second input interface 322 can be electrically connected with the auxiliary contact terminal block 150.
In one embodiment, the control device 30 includes communication device 330.The communication device 330 is used for and control
Terminal processed is communicated.The control device 30 has two-way RS232/485 communication interface, carries out data friendship with controlling terminal
It changes.
Please also refer to Fig. 7, the application provides a kind of automatically controlled bus connection switch system control method.The automatically controlled bus connection switch
System control method includes S10, and control device 30 receives control instruction.S20, the control device 30 detect automatically controlled bus connection switch
The folding condition of group 10.S30, according to the control instruction, the control device 30 judges the automatically controlled bus connection switch group 10
Whether folding condition is normal.S40, according to the folding condition and electric discharge abnormal signal of the automatically controlled bus connection switch group 10, the control
Device 30 processed controls the switching of the automatically controlled bus connection switch group 10.
In the step S10, the bus connection switch monitoring module in the control device 30 is received from control eventually
The control instruction at end.The bus connection switch monitoring module can by the communication device 330 and the controlling terminal into
Row RS232/485 serial communication.It is appreciated that the communication modes are not construed as limiting.The control device 30 is executing the control
Before system instruction, can first determine whether the control instruction content is correct.When there are messy codes for the control instruction situations such as,
The control device 30 can be fed back to the controlling terminal, and request to retransmit the control instruction.
In the step S20, the control device 30 detects the folding condition of the automatically controlled bus connection switch group 10.Due to
Auxiliary contact 120 and main contacts 110 link, and according to the folding condition of the auxiliary contact 120, can further judge the master
The folding condition of contact 110.It is appreciated that the first main contacts 111 and the second main contacts 112 of the automatically controlled bus connection switch group 10
Folding condition be the automatically controlled bus connection switch group 10 folding condition.Complete automatically controlled 10 folding condition of bus connection switch group
After detection, the folding condition information can be fed back into the remote terminal and do further control decision.
In the step S30, according to the control instruction, the control device 30 judges the automatically controlled bus connection switch group
Whether 10 folding condition is normal, that is, starts the original state detection process of the automatically controlled bus connection switch group 10.When the control
When instruction is is closed the automatically controlled bus connection switch group 10, first main contacts 111 of the automatically controlled bus connection switch group 10 and institute
Stating when the second main contacts 112 is located at off-state is normal condition.When the control instruction is to disconnect the automatically controlled bus connection switch
When group 10, first main contacts 111 and second main contacts 112 of the automatically controlled bus connection switch group 10 are located at closed state
When be normal condition.
It, can be to institute when the folding condition of the automatically controlled bus connection switch group 10 is normal condition in the step S40
Controlling terminal feedback detection data is stated, and waits abnormal signal to be discharged.When there is electric discharge exception, the controlling terminal transmission is closed
The control instruction of the automatically controlled bus connection switch group 10 is closed, the control device 30 is connect according to the control instruction by the first output
Mouth 311 and the second output interface 312 drive the automatically controlled bus connection switch group 10 to be closed.It is described when abnormal conditions of discharging contact
Controlling terminal sends the control instruction for disconnecting the automatically controlled bus connection switch group 10, and the control device 30 is according to the control instruction
The automatically controlled bus connection switch group 10 is driven to disconnect by the first output interface 311 and the second output interface 312.As the automatically controlled mother
When the folding condition for joining switching group 10 is abnormal condition, detection data can be fed back to the controlling terminal, and by described
Remote terminal carries out further decision.
When double electricity are double fills DC power system appearance electric discharge exception, the controlling terminal, which is sent, is closed the automatically controlled mother
The control instruction of switching group 10.The automatically controlled bus connection switch group 10 is immediately controlled in the control device 30 is become closing from normally open
Conjunction state.When charge and discharge abnormal conditions release, the control device 30 drives the automatically controlled bus connection switch group 10 to be turned by closure
To normally open.Automatically controlled bus connection switch system control method provided by the present application can efficiently solve the double electricity pair of substation and fill direct current
The automatic control problem of battery automatic discharging and bus connection switch in power-supply system.The automatically controlled bus connection switch system controlling party
Method has ensured the safety and reliability of DC power system battery automatic discharging, improves transforming plant DC power supply system
Intellectually and automatically is horizontal.
Please also refer to Fig. 8, in one embodiment, the control device 30 detects the folding of automatically controlled bus connection switch group 10
In the step of state, including S210, coding is combined to the folding condition of the automatically controlled bus connection switch group 10.S220, it is described
Control device 30 obtains the state encoding of the automatically controlled bus connection switch group 10.
In one embodiment, the step of coding is combined in the folding condition to the automatically controlled bus connection switch group 10
In rapid, the mode of the assembly coding are as follows: the closed state of first main contacts 111 and second main contacts 112 coding
It is ' 0 ', off-state is encoded to ' 1 ', and the high coding of the assembly coding is first main contacts for being set to positive bus-bar
The folding condition of 111 or described second main contacts 112, low level be encoded to first main contacts 111 for being set to negative busbar or
The folding condition of second main contacts 112.
Define the assembled state coding method of the automatically controlled bus connection switch group 10 on positive and negative DC bus.High coding is
The state encoding of two D.C. contactors 102 in parallel on positive direct-current bus, low level encode on the DC bus that is negative two
The state encoding of the D.C. contactor 102 in parallel.Described two D.C. contactors 102 in parallel for being one group, as long as
There is a conducting, i.e., it is believed that two sections of buses are connected.The 10 folding condition code set of automatically controlled bus connection switch group is the high position
With the combination of low-end trim coding.Switching value coding is carried out to the automatically controlled bus connection switch group 10, when the automatically controlled bus connection switch
The state of the D.C. contactor 102 all in parallel is " 0 " in group 10, i.e., the state of the described automatically controlled bus connection switch group 10 is
When " 00 ", the automatically controlled bus connection switch group 10 is closed state.On the contrary, when parallel connections whole in the automatically controlled bus connection switch group 10
The state of the D.C. contactor 102 is " 1 ", i.e., when the state of the described automatically controlled bus connection switch group 10 is " 11 ", the automatically controlled mother
Connection switching group 10 is off-state.It is appreciated that the folding condition of first main contacts 111 and second main contacts 112
The folding condition of the as described D.C. contactor 102.
In one embodiment, the folding condition according to the automatically controlled bus connection switch group 10 and electric discharge abnormal signal,
The control device 30 controls the step of switching of the automatically controlled bus connection switch group 10, including S410, when the automatically controlled mother is opened
Group 10 state in pass is normal, and the control device 30 receives the abnormal control letter for closing the automatically controlled bus connection switch group 10 of electric discharge
Number or after abnormal conditions release the control signal for disconnecting the automatically controlled bus connection switch group 10, the control device 30 feeds back normal letter
Breath, and drive the switching of the automatically controlled bus connection switch group 10.S420, when automatically controlled 10 abnormal state of bus connection switch group, institute
It states control device 30 and feeds back exception information.
In one embodiment, the step of the control device 30 detects the folding condition of automatically controlled bus connection switch group 10 it
Before, including S02, the control device 30 detect the output state of the Power Supply Assembly 20.
When the control instruction is effective, the control device 30 can be by first output interface 311 and described
Second output interface 312 detects the output voltage of the Power Supply Assembly 20.When the output state of the Power Supply Assembly 20 and described
When automatically controlled 10 state of bus connection switch group is normal, it can be acted according to different control instructions.Otherwise to the controlling terminal
Detection data is fed back, and further decision is carried out by the controlling terminal.By the step S02, can be further improved
The safety of automatically controlled 100 use process of bus connection switch system.
When the output voltage of the Power Supply Assembly 20 is normal and the folding condition of the automatically controlled bus connection switch group 10 is normal,
The control device 30 executes the control instruction that the controlling terminal is sent according to electric discharge abnormal conditions.If the control instruction is
It is closed the automatically controlled bus connection switch group 10, before executing the control instruction, described the first of the automatically controlled bus connection switch group 10
Coil 131 and second coil 132 disconnection, first auxiliary contact 121 and second auxiliary contact 122 disconnection and position
In high level, i.e., the normal condition of the described automatically controlled bus connection switch group 10 is to disconnect, and folding condition is " 11 ".If the control instruction
To disconnect the automatically controlled bus connection switch group 10, before executing the control instruction, described the of the automatically controlled bus connection switch group 10
One coil 131 and second coil 132 closure, first auxiliary contact 121 and second auxiliary contact 122 closure and
Positioned at low level, i.e., the normal condition of the described automatically controlled bus connection switch group 10 is closure, and folding condition is " 00 ".
In one embodiment, the controlling terminal sends the control instruction for being closed the automatically controlled bus connection switch group 10.Institute
Control device 30 is stated to obtain control instruction and detect the folding condition of the automatically controlled bus connection switch group 10.If folding condition is not just
Often, then feedback control information.If folding condition is normal, the controlling terminal is waited to send command instruction.
When double electricity are double fills DC power system appearance electric discharge exception, the controlling terminal, which is sent, is closed the automatically controlled mother
The control instruction of switching group 10 gives the control device 30.The control device 30 is closed built-in normally opened relay, to close
Close first output interface 311 and second output interface 312.The Power Supply Assembly 20 accesses the first coil 131
With 132 circuit of the second coil, automatically controlled 10 moment of bus connection switch group is attracted first main contacts 111 and described second
Main contacts 112.First auxiliary contact 121 and second auxiliary contact 122 are closed at and in low levels, i.e., described
Automatically controlled bus connection switch group 10 is closed, and folding condition is " 00 ".After having executed the control instruction, the control device 30 detects institute
State the folding condition of automatically controlled bus connection switch group 10.If first auxiliary contact 121 and the institute of the automatically controlled bus connection switch group 10
Stating the second auxiliary contact 122 is high level, then the automatically controlled bus connection switch group 10 is not attracted.If first auxiliary contact
121 and second auxiliary contact 122 be low level, then automatically controlled bus connection switch group 10 actuation finishes.The control device
30 can be to controlling terminal feedback information further to act.
After abnormal conditions release, the controlling terminal send disconnect the control instruction of the automatically controlled bus connection switch group 10 to
The control device 30.The control device 30 disconnects built-in normally opened relay, to disconnect first output interface 311
With second output interface 312.The Power Supply Assembly 20 of series connection and the first coil 131 and second coil 132
It is disconnected from circuit.Automatically controlled 10 power loss of bus connection switch group, first main contacts 111 and 112 moment of the second main contacts
Restore normally open, folding condition is " 11 ".After having executed the control instruction, the control device 30 detects the automatically controlled mother
Join the folding condition of switching group 10.If first auxiliary contact 121 of the automatically controlled bus connection switch group 10 and described second auxiliary
Helping contact 122 is high level, then the automatically controlled disconnection of bus connection switch group 10 finishes.If first auxiliary contact 121 and described
Second auxiliary contact 122 are low level, then the automatically controlled bus connection switch group 10 is not turned off.The control device 30 can be to control
Terminal feedback information processed is further to act.
Present application addresses the switching problems of storage batteries of transformer substation automatic discharging bus connection switch, while improving described automatically controlled
The safety of 10 control process of bus connection switch group and intelligent.The switching of mechanical bus connection switch is carried out without manually arriving scene, i.e.,
When may be implemented in that double electricity are double to be filled one group storage battery automatic discharging of DC power system and occur abnormal, the automatically controlled bus connection switch group 10
That accesses another group of battery backup is automatically brought into operation problem.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (15)
1. a kind of automatically controlled bus connection switch system (100) characterized by comprising
Automatically controlled bus connection switch group (10)；
Power Supply Assembly (20), for providing power supply for the automatically controlled bus connection switch group (10)；And
Control device (30) is electrically connected with the Power Supply Assembly (20), for controlling the throwing of the automatically controlled bus connection switch group (10)
It cuts, and detects the folding condition of the automatically controlled bus connection switch group (10)；
Wherein, the automatically controlled bus connection switch group (10) is electrically connected with the Power Supply Assembly (20) and the control device (30) respectively
It connects.
2. automatically controlled bus connection switch system (100) according to claim 1, which is characterized in that the automatically controlled bus connection switch group
(10) include:
First main contacts (111) and the second main contacts (112), the hand-machine for being respectively used to and being set on positive bus-bar and negative busbar
Tool bus connection switch is in parallel；
First auxiliary contact (121) and the second auxiliary contact (122) are connected respectively with the control device (30) to be closed back
Road；And
First coil (131) and the second coil (132), connect with the Power Supply Assembly (20) and the control device (30) respectively
For closed circuit.
3. automatically controlled bus connection switch system (100) according to claim 2, which is characterized in that the automatically controlled bus connection switch group
(10) further include:
Main contacts terminal block (140), first main contacts (111) and second main contacts (112) are set to the main touching
Point terminal block (140)；
Auxiliary contact terminal block (150), first auxiliary contact (121) and second auxiliary contact (122) are set to institute
State auxiliary contact terminal block (150)；And
Coil terminals arrange (160), and the first coil (131) and second coil (132) are set to the coil terminals row
(160)。
4. automatically controlled bus connection switch system (100) according to claim 2, which is characterized in that the automatically controlled bus connection switch group
(10) include:
Four D.C. contactors (102), each D.C. contactor (102) include a main contacts (110), an auxiliary contact
(120) and a coil (130)；
Wherein, it is first main contacts (111), other two described main contacts (110) that two main contacts (110) are in parallel
Parallel connection is second main contacts (112)；
Two auxiliary contact (120) in parallel are first auxiliary contact (121), other two described auxiliary contact
(120) in parallel is second auxiliary contact (122)；And
Two coils (130) in parallel are the first coil (131), other two described coil (130) parallel connection is described
Second coil (132).
5. automatically controlled bus connection switch system (100) according to claim 4, which is characterized in that the automatically controlled bus connection switch group
(10) further include:
Shell (170), the D.C. contactor (102) are set in the accommodating chamber (172) that the shell (170) defines.
6. automatically controlled bus connection switch system (100) according to claim 2, which is characterized in that Power Supply Assembly (20) packet
It includes:
First power supply unit (210) is connected respectively with the control device (30) and the first coil (131) to be closed back
Road；And
Second power supply unit (220) is connected respectively with the control device (30) and second coil (132) to be closed back
Road.
7. automatically controlled bus connection switch system (100) according to claim 2, which is characterized in that the control device (30) sets
It is equipped with:
Output interface (310), after connecting with the Power Supply Assembly (20), respectively with the first coil (131) and described second
Coil (132) series connection is closed circuit；And
Input interface (320) is connected respectively with first auxiliary contact (121) and second auxiliary contact (122) to close
Close circuit.
8. automatically controlled bus connection switch system (100) according to claim 7, which is characterized in that output interface (310) packet
It includes:
First output interface (311) is connected respectively with the Power Supply Assembly (20) and the first coil (131) to be closed back
Road；And
Second output interface (312) is connected respectively with the Power Supply Assembly (20) and second coil (132) to be closed back
Road.
9. automatically controlled bus connection switch system (100) according to claim 7, which is characterized in that input interface (320) packet
It includes:
First input interface (321) is connected with first auxiliary contact (121) as closed circuit；And
Second input interface (322) is connected with second auxiliary contact (122) as closed circuit.
10. automatically controlled bus connection switch system (100) according to claim 1, which is characterized in that control device (30) packet
It includes:
Communication device (330), for being communicated with controlling terminal.
11. a kind of automatically controlled bus connection switch system control method characterized by comprising
Control device (30) receives control instruction；
The control device (30) detects the folding condition of automatically controlled bus connection switch group (10)；
According to the control instruction, the control device (30) judge the automatically controlled bus connection switch group (10) folding condition whether
Normally；
Institute is controlled according to the folding condition of the automatically controlled bus connection switch group (10) and electric discharge abnormal signal, the control device (30)
State the switching of automatically controlled bus connection switch group (10).
12. automatically controlled bus connection switch system control method according to claim 11, which is characterized in that the control device
(30) in the step of detecting the folding condition of automatically controlled bus connection switch group (10), comprising:
Coding is combined to the folding condition of the automatically controlled bus connection switch group (10)；
The control device (30) obtains the state encoding of the automatically controlled bus connection switch group (10).
13. automatically controlled bus connection switch system control method according to claim 12, which is characterized in that described to the electricity
In the step of folding condition of control bus connection switch group (10) is combined coding, the mode of the assembly coding are as follows: the first main touching
The closed state of point (111) and the second main contacts (112) is encoded to ' 0 ', and off-state is encoded to ' 1 ', the assembly coding
High coding is first main contacts (111) for being set to positive bus-bar or the folding condition of second main contacts (112), low
Position is encoded to first main contacts (111) for being set to negative busbar or the folding condition of second main contacts (112).
14. automatically controlled bus connection switch system control method according to claim 11, which is characterized in that described according to the electricity
The folding condition and electric discharge abnormal signal, the control device (30) for controlling bus connection switch group (10) control the automatically controlled bus connection switch
The step of switching of group (10), comprising:
When automatically controlled bus connection switch group (10) state is normal, and described in the control device (30) receives that electric discharge is abnormal and close
The control signal or abnormal conditions of automatically controlled bus connection switch group (10) release the control letter for disconnecting the automatically controlled bus connection switch group (10)
After number, the control device (30) feeds back normal information, and drives the switching of the automatically controlled bus connection switch group (10)；
When automatically controlled bus connection switch group (10) abnormal state, the control device (30) feeds back exception information.
15. automatically controlled bus connection switch system control method according to claim 11, which is characterized in that in the control device
(30) before the step of detecting the folding condition of automatically controlled bus connection switch group (10), comprising:
The control device (30) detects the output state of the Power Supply Assembly (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156609.0A CN109742848A (en) | 2019-03-01 | 2019-03-01 | Automatically controlled bus connection switch system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910156609.0A CN109742848A (en) | 2019-03-01 | 2019-03-01 | Automatically controlled bus connection switch system and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN109742848A true CN109742848A (en) | 2019-05-10 |
Family
ID=66369068
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910156609.0A Pending CN109742848A (en) | 2019-03-01 | 2019-03-01 | Automatically controlled bus connection switch system and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110138086A (en) * | 2019-05-30 | 2019-08-16 | 深圳市普禄科智能检测设备有限公司 | Telemechanical bus connection switch device, control system and control method |
| CN110212603A (en) * | 2019-05-30 | 2019-09-06 | 深圳市普禄科智能检测设备有限公司 | Charger dropping equipment and charger are depressured control method |
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