CN208707380U - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN208707380U CN208707380U CN201821260616.2U CN201821260616U CN208707380U CN 208707380 U CN208707380 U CN 208707380U CN 201821260616 U CN201821260616 U CN 201821260616U CN 208707380 U CN208707380 U CN 208707380U
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Abstract
The utility model relates to power supply technique fields, provide a kind of power supply system.Power supply system includes backup auto-activating device and substation, backup auto-activating device is electrically connected with substation, backup auto-activating device includes segment information acquisition module, line information acquisition module and control module, and control module is electrically connected with block switch, the first power supply line, the second power supply line and third power supply line；The block switch state that segment information acquisition module is used to detect block switch obtains fragmentation state information；What line information acquisition module was used to detect the first power supply line, the second power supply line and third power supply line obtains line information for power information；Control module is used for according to fragmentation state information and the movement of line information control substation.Compared with existing power supply system, backup auto-activating device is electrically connected by the power supply system that this programme provides with the first power supply line, the second power supply line and third power supply line, and realizes control of which to increase powering mode, improves power supply reliability.
Description
Technical field
The utility model relates to power supply technique fields, in particular to a kind of power supply system.
Background technique
Backup auto-activating device, full name automatic throw-in equipment of emergency power supply, backup auto-activating device is exactly when working power or work are set
It is standby because exception, failure or it is unexpected be disconnected after can be automatic and the recovery of devoting oneself to work of backup power source or stand-by equipment be supplied rapidly
The device of electricity.
As the up-to-dateness of our people's production and living increasingly improves, demand and degree of dependence of the people to electric power
Doubling, the requirement to power quality is also more stringent, and power supply and distribution is in every field also constantly to automation, unattended, remote
Process control, uninterrupted power supply target stride forward.Some power consumers especially seem more prominent to the requirement of uninterrupted power supply.I
The power supply of state mainly or by national grid is powered, and electric power notch is also increasing, and is especially lacked in peak times of power consumption
Electrical phenomena is serious, and many large enterprises just self-built power plant or are equipped with generator thus, therefore the mutual switching of various power supplys guarantees
The uninterrupted power supply of power supply and the high reliability of power supply are at the pith protected in Modern power distribution engineering with control loop.It is standby
Automatic bus combines system automatic device with protective relaying device, be a kind of couple of user provide uninterrupted power supply economy and
Effective technical measures again, it is widely used in modern power supply system.
It is built by separate periods that substation, which builds, and substation builds initial stage, and main transformer does not build completion completely.Consider the growth of load
The access of process and load, tri- sections or four sections buses of general 10KV are all built up in first stage of the project, but two main transformers of only going into operation,
Wherein a main transformer is using double branch designs.It is general using one of them that backup auto-activating device is connected to double branches in the prior art
Branch, and realize control of which, thus powering mode is single, power supply reliability is not high.
Utility model content
The purpose of this utility model is to provide a kind of power supply systems, single to solve powering mode in the prior art, supply
The not high problem of electric reliability.
The utility model is realized in this way:
A kind of power supply system, the power supply system include backup auto-activating device and substation, the backup auto-activating device with it is described
Substation's electrical connection, the substation include the first power supply line, the second power supply line, third power supply line and block switch,
First power supply line is electrically connected with second power supply line by the block switch, second power supply line and institute
State the electrical connection of third power supply line；The backup auto-activating device includes: segment information acquisition module, line information acquisition module and control
Molding block, the segment information acquisition module and the line information acquisition module are electrically connected with the control module, described
Control module is electrically connected with the block switch, the first power supply line, the second power supply line and third power supply line；Described point
Segment information acquisition module, the block switch state for detecting the block switch obtain fragmentation state information；The route letter
Acquisition module is ceased, for detecting obtaining for power information for first power supply line, the second power supply line and third power supply line
Line information；The control module, it is dynamic for controlling the substation according to the fragmentation state information and the line information
Make.
Further, the line information includes inspection switch state, circuit-breaker status and analog quantity, second power supply
Route is equipped with the first inspection switch, and the third power supply line is equipped with the second inspection switch, first inspection switch and described
Second inspection switch is electrically connected with the line information acquisition module；The line information acquisition module is for acquiring described the
The inspection switch state of one inspection switch and second inspection switch.
Further, first power supply line, the second power supply line and third power supply line are respectively equipped with the first open circuit
Device, the second breaker and third breaker, first breaker, the second breaker and third breaker are correspondingly provided with first and adopt
Collect port, the second acquisition port and third and acquire port, first acquisition port, the second acquisition port and third acquire port
It is electrically connected with the route acquisition module；The line information acquisition module is also used to through first acquisition port, the
The open circuit of two acquisition ports and third acquisition port processing corresponding first breaker, the second breaker and third breaker
Device state.
Further, the line information acquisition module includes analog acquisition unit, the analog acquisition unit with
Control module electrical connection, the analog acquisition unit for acquire first power supply line, the second power supply line and
The electric parameter of third power supply line obtains the analog quantity.
Further, the electric parameter includes voltage and current.
Further, the backup auto-activating device further includes alarm module, and the alarm module is electrically connected with the control module
Connect, the alarm module be used for when the line information and when default line information difference under the control of the control module into
Row alarm.
Further, the alarm module includes at least one of alarm lamp and buzzer.
Further, the backup auto-activating device further includes display module, and the display module is electrically connected with the control module
It connects, the display module under the control of the control module for showing in the fragmentation state information and the line information
At least one.
Further, the display module includes at least one of liquid crystal display and charactron.
Further, the backup auto-activating device further includes power module, and the power module and the segment information acquire
Module, line information acquisition module and control module are electrically connected.
A kind of power supply system provided by the utility model is opened by the segmentation that segment information acquisition module detects block switch
Off status obtains fragmentation state information, and line information acquisition module detects the first power supply line, the second power supply line and third and supplies
Electric line obtains line information for power information, and control module is dynamic according to fragmentation state information and line information control substation
Make.Compared with existing power supply system, power supply system provided by the utility model is by backup auto-activating device and the first power supply line,
Two power supply lines and third power supply line are electrically connected, and realize control of which to increase powering mode, and improving power supply can
By property.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 shows the block diagram of power supply system provided by the utility model embodiment.
Fig. 2 shows the structural schematic diagrams that substation provided by the utility model embodiment builds initial stage.
Fig. 3 shows the block diagram of backup auto-activating device provided by the utility model embodiment.
Fig. 4 shows control module provided by the utility model embodiment and the box of substation's connection relationship is illustrated
Figure.
Icon: 10- power supply system；100- substation；The first power supply line of 110-；The first main transformer of 111-；The first electricity of 113-
Current sensor；The first breaker of 115-；117- first voltage detector；The second power supply line of 120-；The second main transformer of 121-；123-
Second current detector；The first inspection switch of 124-；The second breaker of 125-；127- second voltage detector；130- third supplies
Electric line；133- third current detector；The second inspection switch of 134-；135- third breaker；137- tertiary voltage detector；
140- block switch；200- backup auto-activating device；210- segment information acquisition module；220- line information acquisition module；230- control
Molding block；240- alarm module；250- display module；260- power module.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.
It is in the description of the present invention, it should also be noted that, herein, such as first and second or the like pass
It is that term is only used to distinguish one entity or operation from another entity or operation, and not necessarily requires or secretly
Show that there are any actual relationship or orders between these entities or operation.Term "horizontal", "vertical", " pendency " etc.
Term is not offered as requiring component abswolute level or pendency, but can be slightly tilted.As "horizontal" only refers to its direction phase
It is more horizontal for "vertical", it is not to indicate that the structure is had to fully horizontally, but can be slightly tilted.Term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.For the ordinary skill in the art, above-mentioned term can be understood in this reality with concrete condition
With the concrete meaning in novel.
With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under
The feature in embodiment and embodiment stated can be combined with each other.
Referring to Fig. 1, the utility model embodiment provides a kind of power supply system 10, power supply system 10 includes substation 100
With backup auto-activating device 200, substation 100 is electrically connected with backup auto-activating device 200.
Referring to Fig. 2, substation 100 includes the first power supply line 110, the second power supply line 120, third power supply line
130 and block switch 140.First power supply line 110 is electrically connected with the second power supply line 120 by block switch 140, substation
100 build initial stage, and the second power supply line 120 and third power supply line 130 are in the second breaker 125 and third breaker 135
Lower section electrical connection.First power supply line 110, the second power supply line 120, third power supply line 130 and block switch 140 with it is standby
Automatic bus 200 is electrically connected.
First power supply line 110 includes the first main transformer 111, the first current detector 113, the first breaker 115 and first
Voltage detector 117, first main transformer 111, the first current detector 113, the first breaker 115 and first voltage detector
117 are sequentially connected electrically；First power supply line 110 is electrically connected with the first load, and successively passes through the first main transformer 111, the first electric current
Detector 113, the first breaker 115 and first voltage detector 117 give the first load supplying.First current detector, 113 He
First voltage detector 117 is electrically connected with backup auto-activating device 200.
Second power supply line 120 includes the first sub- power supply line and the first inspection switch 124, and the first sub- power supply line includes
Second main transformer 121, the second current detector 123, the second breaker 125 and second voltage detector 127, second main transformer
121, the second current detector 123, the second breaker 125 and second voltage detector 127 are sequentially connected electrically, the first sub- supply lines
Road is electrically connected with the second load, and successively through the second main transformer 121, the second current detector 123, the second breaker 125 and second
Voltage detector 127 gives the second load supplying.First inspection switch 124 is used to characterize the inspecting state of the first sub- power supply line.
First inspection switch 124, the second current detector 123 of the first sub- power supply line and second voltage detector 127 are and for certainly
Device 200 is thrown to be electrically connected.
Third power supply line 130 includes the second sub- power supply line and the second inspection switch 134, and the second sub- power supply line includes
Second main transformer 121, third current detector 133, third breaker 135 and tertiary voltage detector 137, second main transformer
121, third current detector 133, third breaker 135 and tertiary voltage detector 137 are sequentially connected electrically, the second sub- supply lines
Road is electrically connected with third load, and successively through the second main transformer 121, third current detector 133, third breaker 135 and third
Voltage detector 137 gives third load supplying.Second inspection switch 134 is used to characterize the inspecting state of the second sub- power supply line.
Second inspection switch 134 and the third current detector 133 and tertiary voltage detector 137 of the second sub- power supply line are and for certainly
Device 200 is thrown to be electrically connected.
First main transformer 111 and the second main transformer 121 may each be transformer；First current detector 113, the second current detecting
Device 123 and third current detector 133 may each be the device of measurement electric current, for example, current transformer；First voltage detector
117, second voltage detector 127 and tertiary voltage detector 137 may each be the device of detection voltage, for example, mutual induction of voltage
Device.
It is correspondingly provided with block switch 140 at the block switch 140 of substation 100 and acquires port, the first breaker 115, the
Two breakers 125 and third breaker 135 are correspondingly provided with the first acquisition port, the second acquisition port and third acquisition port, point
It is electric with backup auto-activating device 200 that Duan Kaiguan 140 acquires port, the first acquisition port, the second acquisition port and third acquisition port
Connection.
Referring to Fig. 3, backup auto-activating device 200 includes segment information acquisition module 210, line information acquisition module 220, control
Molding block 230, alarm module 240, display module 250 and power module 260, segment information acquisition module 210, line information are adopted
Collection module 220, alarm module 240, display module 250 and power module 260 are electrically connected with control module 230, control module
230 are electrically connected with block switch 140, the first breaker 115, the second breaker 125 and the third breaker 135 of substation 100
It connects.By the connection of control module 230 and substation 100, control of the control module 230 to substation 100 is realized.
In the utility model embodiment, segment information acquisition module 210 is electrically connected with control module 230, also with segmentation
Switch acquisition port electrical connection, the block switch state for detecting block switch 140 obtain fragmentation state information.Segment information
Acquisition module 210 is divided by the block switch state that the block switch of substation 100 acquires Port detecting block switch 140
Section switching-state information.Block switch status information can be the closure of block switch 140 or block switch 140 disconnects.It is optional
Ground, the segment information acquisition module 210 can be single-chip microcontroller, PLC and FPGA etc..
In the utility model embodiment, line information acquisition module 220 is electrically connected with control module 230, also with first
Power supply line 110, the second power supply line 120 and third power supply line 130 are electrically connected, for detecting the first power supply line 110, the
Two power supply lines 120 and third power supply line 130 obtain line information for power information.Line information includes inspection switch shape
State, circuit-breaker status and analog quantity.Line information acquisition module 220 can be single-chip microcontroller, PLC and FPGA etc..
The first inspection switch 124 and third power supply line of line information acquisition module 220 and the second power supply line 120
130 the second inspection switch 134 is electrically connected, and the maintenance for acquiring the first inspection switch 124 and the second inspection switch 134 is opened
Off status.Inspection switch state includes open and close.Can be obtained by the inspection switch state of the first inspection switch 124
The inspecting state information of one sub- power supply line can obtain the second son by the inspection switch state of the second inspection switch 134 and supply
The inspecting state information of electric line.For example, line information acquisition module 220 detects the inspection switch of the first inspection switch 124
State is closure, and the inspection switch state of the second inspection switch 134 is to disconnect, then the first sub- power supply line is in inspecting state,
Second sub- power supply line is in non-inspecting state.
First acquisition port of line information acquisition module 220 and the first power supply line 110, the second power supply line 120
Second acquisition port and the third acquisition port of third power supply line 130 are electrically connected, for passing through the first acquisition port, second
It acquires port and third acquires corresponding first breaker 115 of port processing, the second breaker 125 and third breaker 135
Circuit-breaker status.Circuit-breaker status includes coincidence and quartile.Line information acquisition module 220 passes through the first acquisition port processing the
The circuit-breaker status of one breaker 115；Line information acquisition module 220 passes through second acquisition the second breaker of port processing 125
Circuit-breaker status；Line information acquisition module 220 acquires the breaker shape of port processing third breaker 135 by third
State.For example, line information acquisition module 220 collects the signal of the first acquisition port and third acquisition port, the is not collected
The signal of two acquisition ports, then the first breaker 115 and third breaker 135 are in coincidence, and the second breaker 125 is in quartile.
Line information acquisition module 220 includes analog acquisition unit, and analog acquisition unit is electrically connected with control module 230
Connect, and the analog acquisition unit also with the first current detector 113, the first voltage detector of the first power supply line 110
117, the second current detector 123, the second voltage detector 127 of the second power supply line 120, the of third power supply line 130
Three current detectors 133, tertiary voltage detector 137 are electrically connected.For acquiring the first power supply line 110, the second supply lines
The electric parameter of road 120 and third power supply line 130 obtains analog quantity.The electric parameter may be, but not limited to, electric current and voltage.
The analog quantity may be, but not limited to, current value corresponding with above-mentioned electric parameter and voltage value.
Analog acquisition unit acquires the current value of the first power supply line 110 by the first current detector 113, by the
One voltage detector 117 acquires the voltage value of the first power supply line 110, passes through the second power supply of the second current detector 123 acquisition
The current value of the sub- power supply line of the first of route 120 acquires the of the second power supply line 120 by second voltage detector 127
The voltage value of one sub- power supply line acquires the second sub- power supply line of third power supply line 130 by third current detector 133
Current value, pass through tertiary voltage detector 137 acquire sub- power supply line, third power supply line 130 second voltage value.It needs
Illustrate, built initial stage in substation 100, the second power supply line 120 and third power supply line 130 are in the second breaker 125
It is electrically connected with the lower section of third breaker 135, the first sub- power supply line of the second power supply line 120 and third power supply line 130
The second sub- power supply line voltage value it is identical, it is also an option that only be arranged second voltage detector 127 or tertiary voltage inspection
Survey device 137.
Referring to Fig. 4, in the utility model embodiment, control module 230 and segment information acquisition module 210, route
Information acquisition module 220, alarm module 240 and display module 250 are electrically connected, the control module 230 also with substation 100
Block switch 140, the first breaker 115 of the first power supply line 110, the second power supply line 120 125 and of the second breaker
The third breaker 135 of third power supply line 130 is electrically connected, the segmentation for being acquired according to segment information acquisition module 210
The line information control substation 100 that status information and line information acquisition module 220 obtain acts.
Control module 230 can be a kind of IC chip, have signal handling capacity, and control module 230 can be
General processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network
Processor, NP) etc.；It can also be digital signal processor, specific integrated circuit, field programmable gate array, may be programmed and patrol
Collect controller or other programmable logic device, discrete gate or transistor logic, discrete hardware components.
First sub- power supply line of the second power supply line 120 and the second sub- power supply line of third power supply line 130 are electrically connected
It connects, there is following 10 kinds of powering modes:
Mode 1, when the first breaker 115 and the second breaker 125 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and the second power supply line 120,135 separating brake of third breaker or the second inspection switch 134 are closed,
If 110 abnormal electrical power supply of the first power supply line, control module 230 is also used to control substation 100 and is switched by the first power supply line 110
To the second power supply line 120.It is to be understood that the first power supply line 110 is to the first load normal power supply, the second power supply line
The sub- power supply line of the first of 120 disconnects to the second load normal power supply, block switch 140, when the first power supply line 110 is abnormal
When, control module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the closure of block switch 140, the second supply lines
The sub- power supply line of the first of road 120 gives the first load and the second load supplying simultaneously, realizes substation 100 by the first power supply line
The switching of 110 to the second power supply line 120.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is that the current value of the first power supply line 110 is less than for certainly
Throw the pre-set current value of device 200, the voltage value of the first power supply line 110 be less than the preset voltage value of backup auto-activating device 200 and
The voltage value of first sub- power supply line of the second power supply line 120 is greater than the preset voltage value of backup auto-activating device 200.
Mode 2, when the first breaker 115 and the second breaker 125 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and the second power supply line 120,135 separating brake of third breaker or the second inspection switch 134 are closed,
If 120 abnormal electrical power supply of the second power supply line, control module 230 is also used to control substation 100 and is switched by the second power supply line 120
To the first power supply line 110.It is to be understood that the first power supply line 110 is to the first load normal power supply, the second power supply line
The sub- power supply line of the first of 120 is to the second load normal power supply, and block switch 140 disconnects, when the first of the second power supply line 120
When sub- power supply line's exception, control module 230 controls 125 separating brake of the second breaker, after being delayed, then controls block switch 140
Closure, the first power supply line 110 to the first load and the second load supplying, realize substation 100 by the second power supply line simultaneously
The switching of 120 to the first power supply line 110.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is the first sub- power supply line of the second power supply line 120
Current value be less than the pre-set current value of backup auto-activating device 200, the second power supply line 120 the first sub- power supply line voltage value
Less than the preset voltage value of backup auto-activating device 200 and the voltage value of the first power supply line 110 is greater than the pre- of backup auto-activating device 200
If voltage value.
Mode 3, when the first breaker 115 closes a floodgate, 125 separating brake of the second breaker, block switch 140 is closed, third open circuit
When 135 separating brake of device or the second inspection switch 134 are closed, if 110 abnormal electrical power supply of the first power supply line, control module 230 are used for
It controls substation 100 and second power supply line 120 is switched to by the first power supply line 110.It is to be understood that the first power supply line
110 are closed to the first load and the second load normal power supply, block switch 140, when the first power supply line 110 is abnormal, control
Module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the second breaker 125 combined floodgate, the second power supply line 120
The first sub- power supply line to first load and the second load supplying, realize substation 100 by the first power supply line 110 to the second
The switching of power supply line 120.It should be noted that before control module 230 controls the movement of substation 100, control module 230
It is also used to judge whether to meet entry condition, entry condition is that the current value of the first power supply line 110 is less than backup auto-activating device 200
Pre-set current value, the first power supply line 110 voltage value be less than backup auto-activating device 200 preset voltage value and the second supply lines
The voltage value of the sub- power supply line of the first of road 120 is greater than the preset voltage value of backup auto-activating device 200.
Mode 4, when 115 separating brake of the first breaker, the second breaker 125 closes a floodgate, and block switch 140 is closed, third open circuit
When 135 separating brake of device or the second inspection switch 134 are closed, if 120 abnormal electrical power supply of the second power supply line, control module 230 are used for
It controls substation 100 and first power supply line 110 is switched to by the second power supply line 120.It is to be understood that the second power supply line
The sub- power supply line of the first of 120 is to the first load and the second load normal power supply, and block switch 140 is closed, when the second supply lines
When the sub- power supply line's exception of the first of road 120, control module 230 controls 125 separating brake of the second breaker and is controlling after being delayed
First breaker 115 closes a floodgate, and the first power supply line 110 realizes substation 100 by second to the first load and the second load supplying
The switching of the 120 to the first power supply line, power supply line 110.It should be noted that it is dynamic to control substation 100 in control module 230
Before work, control module 230 is also used to judge whether to meet entry condition, and entry condition is the first of the second power supply line 120
The current value of sub- power supply line is less than the first sub- supply lines of the second power supply line of pre-set current value 120 of backup auto-activating device 200
The voltage value on road is less than the preset voltage value of backup auto-activating device 200 and the voltage value of the first power supply line 110 is filled greater than prepared auto restart
Set 200 preset voltage value.
Mode 5, when the first breaker 115 and third breaker 135 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and third power supply line 130,125 separating brake of the second breaker or the first inspection switch 124 are closed,
If 110 abnormal electrical power supply of the first power supply line, control module 230 is also used to control substation 100 and is switched by the first power supply line 110
To third power supply line 130.It is to be understood that the first power supply line 110 is to the first load normal power supply, third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 disconnects, when the first power supply line 110 is abnormal
When, control module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the closure of block switch 140, third supply lines
The sub- power supply line of the second of road 130 gives the first load and third load supplying simultaneously, realizes substation 100 by the first power supply line
110 arrive the switching of third power supply line 130.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is that the current value of the first power supply line 110 is less than for certainly
Throw the pre-set current value of device 200, the voltage value of the first power supply line 110 be less than backup auto-activating device 200 preset voltage value and
The voltage value of the sub- power supply line of the second of third power supply line 130 is greater than the preset voltage value of backup auto-activating device 200.
Mode 6, when the first breaker 115 and third breaker 135 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and third power supply line 130,125 separating brake of the second breaker or the first inspection switch 124 are closed,
If 130 abnormal electrical power supply of third power supply line, control module 230 is also used to control substation 100 and is switched by third power supply line 130
To the first power supply line 110.It is to be understood that the first power supply line 110 is to the first load normal power supply, third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 disconnects, when the second of third power supply line 130
When sub- power supply line's exception, control module 230 controls 135 separating brake of third breaker, after being delayed, then controls block switch 140
Closure, the first power supply line 110 to the first load and third load supplying, realize substation 100 by third power supply line simultaneously
The switching of 130 to the first power supply line 110.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is the second sub- power supply line of third power supply line 130
Current value be less than the pre-set current value of backup auto-activating device 200, third power supply line 130 the second sub- power supply line voltage value
Voltage value less than the preset voltage value of backup auto-activating device 200 and the first power supply line 110 is greater than the default of backup auto-activating device 200
Voltage value.
Mode 7, when the first breaker 115 closes a floodgate, 135 separating brake of third breaker, block switch 140 is closed, the second open circuit
When 125 separating brake of device or the first inspection switch 124 are closed, if 110 abnormal electrical power supply of the first power supply line, control module 230 are used for
It controls substation 100 and third power supply line 130 is switched to by the first power supply line 110.It is to be understood that the first power supply line
110 are closed to the first load normal power supply, block switch 140, and when the first power supply line 110 is abnormal, control module 230 is controlled
First breaker, 115 separating brake after being delayed, then controls the combined floodgate of third breaker 135, and the second son of third power supply line 130 supplies
Electric line gives the first load supplying, realizes substation 100 by the switching of the first power supply line 110 to third power supply line 130.It needs
It is noted that control module 230 is also used to judge whether to meet and open before control module 230 controls the movement of substation 100
Dynamic condition, entry condition are that the current value of the first power supply line 110 is less than the pre-set current value of backup auto-activating device 200, the first confession
The voltage value of electric line 110 is less than the preset voltage value of backup auto-activating device 200 and the second sub- supply lines of third power supply line 130
The voltage value on road is greater than the preset voltage value of backup auto-activating device 200.
Mode 8, when 115 separating brake of the first breaker, third breaker 135 closes a floodgate, and block switch 140 is closed, the second open circuit
When 125 separating brake of device or the first inspection switch 124 are closed, if 130 abnormal electrical power supply of third power supply line, control module 230 are used for
It controls substation 100 and first power supply line 110 is switched to by third power supply line 130.It is to be understood that third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 is closed, when the second of third power supply line 130
When sub- power supply line's exception, control module 230 controls 135 separating brake of third breaker, after being delayed, is controlling the first breaker
115 close a floodgate, and the first power supply line 110 gives third load supplying, realize that substation 100 is supplied by third power supply line 130 to the first
The switching of electric line 110.It should be noted that control module 230 is also before control module 230 controls the movement of substation 100
For judging whether to meet entry condition, entry condition is that the current value of the second sub- power supply line of third power supply line 130 is small
It is less than prepared auto restart in the voltage value of the pre-set current value of backup auto-activating device 200, the sub- power supply line of the second of third power supply line 130
The preset voltage value of device 200 and the voltage value of the first power supply line 110 are greater than the preset voltage value of backup auto-activating device 200.
Mode 9, when the first breaker 115, the second breaker 125, third breaker 135 close a floodgate, block switch 140 is disconnected
It opens, 110 normal power supply of the first power supply line, when 130 common normal power supply of the second power supply line 120 and third power supply line, if
First power supply line, 110 abnormal electrical power supply, control module 230 are also used to control substation 100 and are switched to by the first power supply line 110
Second power supply line 120 and third power supply line 130 power jointly.It is to be understood that the first power supply line 110 is to the first load
Normal power supply, the first sub- power supply line of the second power supply line 120 and the second sub- power supply line of third power supply line 130 are common
To the second load and third load supplying, block switch 140 is disconnected, when the first power supply line 110 is abnormal, control module 230
115 separating brake of the first breaker is controlled, after being delayed, then controls the closure of block switch 140, the first son of the second power supply line 120
Second sub- power supply line of power supply line and third power supply line 130 gives the first load, the second load and third load to supply jointly
Electricity realizes what substation 100 was powered jointly by first the 110 to the second power supply line, power supply line 120 and third power supply line 130
Switching.It should be noted that control module 230, which is also used to judgement, is before control module 230 controls the movement of substation 100
No to meet entry condition, entry condition is that the current value of the first power supply line 110 is less than the predetermined current of backup auto-activating device 200
Value, the first power supply line 110 voltage value be less than backup auto-activating device 200 preset voltage value and the second power supply line 120 the
The voltage value of one sub- power supply line is greater than the preset voltage value of backup auto-activating device 200.
Mode 10, when the first breaker 115, the second breaker 125, third breaker 135 close a floodgate, block switch 140
It disconnects, 110 normal power supply of the first power supply line, when 130 common normal power supply of the second power supply line 120 and third power supply line,
If the second power supply line 120 powered jointly and the power supply of third power supply line 130 are abnormal, control module 230 is also used to control
The substation 100 is switched to described by second power supply line 120 powered jointly and the third power supply line 130
One power supply line 110.It is to be understood that the first power supply line 110 loads normal power supply to first, the second power supply line 120
Second sub- power supply line of the first sub- power supply line and third power supply line 130 gives the second load and third load supplying jointly,
Block switch 140 disconnects, when the first sub- power supply line of the second power supply line 120 and the second son of third power supply line 130 supply
When electric line occurs abnormal, control module 230 controls the second breaker 125 and 135 separating brake of third breaker, after being delayed,
The closure of block switch 140 is controlled again, and the first power supply line 110 realizes and becomes to the first load, the second load and third load supplying
Power station 100 is by the second power supply line 120 and third power supply line 130 the cutting to first power supply line 110 powered jointly
It changes.It should be noted that control module 230 is also used to judge whether before control module 230 controls the movement of substation 100
Meet entry condition, entry condition is current value and the third power supply line of the first sub- power supply line of the second power supply line 120
The current value of the sub- power supply line of the second of 130 is respectively less than the pre-set current value of backup auto-activating device 200, second power supply line 120
The voltage value of second sub- power supply line of the voltage value and third power supply line 130 of the first sub- power supply line is respectively less than prepared auto restart dress
The voltage value for setting 200 preset voltage value and the first power supply line 110 is greater than the preset voltage value of backup auto-activating device 200.
In the utility model embodiment, alarm module 240 is electrically connected with control module 230, and alarm module 240 is for working as
Line information is alarmed under the control of control module 230 with when default line information difference.The default line information can
To include the corresponding line information of above-mentioned various modes, when control module 230 detects line information and above-mentioned various modes
When corresponding information is not inconsistent, then determine that the line information is different from default line information, control module 230 controls alarm module
240 alarms.Alarm module 240 can be at least one of alarm lamp and buzzer, and alarm module 240 can be alarm lamp,
It is also possible to buzzer, can also be the combined aural and visual alarm for integrating alarm lamp and buzzer.Optionally, alarm module 240
Combined aural and visual alarm is selected, alarm lamp and buzzer are electrically connected with control module 230, when control module 230 detects that route is believed
When breath is not inconsistent with default line information, it is bright that control module 230 controls alarm lamp, while controlling buzzer and ringing, and reaches prompting work
Make the effect of personnel.
In the utility model embodiment, display module 250 is electrically connected with control module 230, and display module 250 is used for
At least one of display segment status information and line information under the control of control module 230.Display module 250 includes liquid crystal
At least one of screen and charactron.As an implementation, display module 250 can select liquid crystal display to show route letter
Breath.
In the utility model embodiment, power module 260 and segment information acquisition module 210, line information acquire mould
Block 220, control module 230, alarm module 240 and display module 250 are electrically connected, for segment information acquisition module 210,
Line information acquisition module 220, control module 230, alarm module 240 and display module 250 provide power supply.Power module
260 can be at least one of farad capacitor, rechargeable battery and power supply adaptor.
Backup auto-activating device 200 can also include setting position, and setting position includes first state and the second state, substation 100
It builds initial stage, setting position is first state, the first sub- power supply line of the second power supply line 120 and third power supply line 130
Second sub- power supply line's electrical connection；Substation 100 builds final period, setting position be the second state, the first of the second power supply line 120
Second sub- power supply line of sub- power supply line and third power supply line 130 disconnects, i.e., the first son of described second power supply line 120
Second sub- power supply line of power supply line and third power supply line 130 is not electrically connected.
Substation 100 builds final period, setting position be the second state, the first sub- power supply line of the second power supply line 120 and
The sub- power supply line of the second of third power supply line 130 disconnects, the first sub- power supply line of the second power supply line 120 and third power supply
The sub- power supply line of the second of route 130 shares the second main transformer 121.When the electric current of the first sub- power supply line of the second supply lines route
Value is less than the pre-set current value of backup auto-activating device 200, and the voltage value of the first sub- power supply line of the second supply lines route is less than standby
When the preset voltage value of automatic bus 200, control module 230 is also used to the second sub- power supply line when third power supply line 130
Current value when being less than setting current value, control substation 100 and first power supply line be switched to by the second power supply line 120
110.When the current value of the second sub- power supply line of third power supply line 130 is not less than setting current value, control mould generates fastly
Reset signal, and it is sent to substation 100, so that substation 100 is failure to actuate.Prevent substation 100 in backup auto-activating device 200
Under control the case where malfunction.Setting current value can be the current threshold for needing to define according to user, and setting current value is greater than
Pre-set current value.
Working principle provided by the utility model embodiment is: the segment information acquisition module of backup auto-activating device 200
The block switch state of 210 detection block switches 140 obtains fragmentation state information, the detection of line information acquisition module 220 first
Power supply line 110, the second power supply line 120 and third power supply line 130 obtain line information, control module for power information
230 act according to fragmentation state information and line information control substation 100.When line information is different from default line information
When, control module 230 control alarm module 240 alarm, control module 230 also control display module 250 show line information with
At least one of fragmentation state information.
In conclusion the utility model provides a kind of power supply system, power supply system includes backup auto-activating device and substation, standby
The first power supply line of block switch state and substation, the second power supply line and the third that automatic bus passes through detection block switch
Power supply line acts for power information to control substation, and backup auto-activating device may be implemented simultaneously to the first power supply line, second
The control of power supply line and third power supply line, also increases powering mode, provides power supply reliability.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of power supply system, which is characterized in that the power supply system includes backup auto-activating device and substation, the prepared auto restart dress
It sets and is electrically connected with the substation, the substation includes the first power supply line, the second power supply line, third power supply line and divides
Duan Kaiguan, first power supply line are electrically connected with second power supply line by the block switch, second power supply
Route is electrically connected with the third power supply line；The backup auto-activating device includes:
Segment information acquisition module, line information acquisition module and control module, the segment information acquisition module and the line
Road information acquisition module is electrically connected with the control module, the control module and the block switch, the first power supply line,
Second power supply line and third power supply line are electrically connected；
The segment information acquisition module, the block switch state for detecting the block switch obtain fragmentation state information；
The line information acquisition module, for detecting first power supply line, the second power supply line and third power supply line
Obtain line information for power information；
The control module is acted for controlling the substation according to the fragmentation state information and the line information.
2. power supply system as described in claim 1, which is characterized in that the line information includes inspection switch state, open circuit
Device state and analog quantity, second power supply line are equipped with the first inspection switch, and the third power supply line is equipped with the second maintenance
Switch, first inspection switch and second inspection switch are electrically connected with the line information acquisition module；
The line information acquisition module is used to acquire the inspection switch of first inspection switch and second inspection switch
State.
3. power supply system as claimed in claim 2, which is characterized in that first power supply line, the second power supply line and
Three power supply lines are respectively equipped with the first breaker, the second breaker and third breaker, first breaker, the second breaker
With third breaker be correspondingly provided with the first acquisition port, second acquisition port and third acquisition port, it is described first acquisition port,
Second acquisition port and third acquisition port are electrically connected with the route acquisition module；
The line information acquisition module is also used to acquire port by first acquisition port, the second acquisition port and third
Acquire the circuit-breaker status of corresponding first breaker, the second breaker and third breaker.
4. power supply system as claimed in claim 3, which is characterized in that the line information acquisition module includes analog acquisition
Unit, the analog acquisition unit are electrically connected with the control module,
The analog acquisition unit is used to acquire the electricity of first power supply line, the second power supply line and third power supply line
Parameter obtains the analog quantity.
5. power supply system as claimed in claim 4, which is characterized in that the electric parameter includes voltage and current.
6. power supply system as described in claim 1, which is characterized in that the backup auto-activating device further includes alarm module, described
Alarm module is electrically connected with the control module, and the alarm module is used for when the line information is different from default line information
When alarm under the control of the control module.
7. power supply system as claimed in claim 6, which is characterized in that the alarm module includes in alarm lamp and buzzer
It is at least one.
8. power supply system as described in claim 1, which is characterized in that the backup auto-activating device further includes display module, described
Display module is electrically connected with the control module, and the display module is used to show described point under the control of the control module
Section at least one of status information and the line information.
9. power supply system as claimed in claim 8, which is characterized in that the display module includes in liquid crystal display and charactron
It is at least one.
10. power supply system as described in claim 1, which is characterized in that the backup auto-activating device further includes power module, described
Power module is electrically connected with the segment information acquisition module, line information acquisition module and control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260616.2U CN208707380U (en) | 2018-08-06 | 2018-08-06 | Power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821260616.2U CN208707380U (en) | 2018-08-06 | 2018-08-06 | Power supply system |
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| CN208707380U true CN208707380U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879944A (en) * | 2018-08-06 | 2018-11-23 | 广东电网有限责任公司 | Power supply system and method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879944A (en) * | 2018-08-06 | 2018-11-23 | 广东电网有限责任公司 | Power supply system and method |
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