CN109756027A - A kind of bypass multiplexor and its control system - Google Patents
A kind of bypass multiplexor and its control system Download PDFInfo
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- CN109756027A CN109756027A CN201910242882.5A CN201910242882A CN109756027A CN 109756027 A CN109756027 A CN 109756027A CN 201910242882 A CN201910242882 A CN 201910242882A CN 109756027 A CN109756027 A CN 109756027A
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- circuit
- power supply
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- power source
- automatic change
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
It includes main automatic change-over and by-pass switch that the present invention, which discloses a kind of bypass multiplexor and its control system, the bypass multiplexor,；Main automatic change-over circuit is installed inside the main automatic change-over；Bypass switching circuit is installed inside the by-pass switch；The main automatic change-over circuit include common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source contacting controling circuit, backup power source sub-gate control circuit and main switch often/spare space status circuit；The bypass switching circuit includes bypassing often/spare space status circuit.The present invention controls switching of the bypass multiplexor between two-way power supply, normal/backup power source location status of two change-over switches in bypass multiplexor all collects control unit, ensure that two change-over switches can only be transformed into ipsilateral power supply, has ensured the safety of power supply system.
Description
Technical field
The present invention relates to power supply control field more particularly to a kind of bypass multiplexor and its control systems.
Background technique
Bypass multiplexor is a kind of special automatic change-over, not only realizes the conversion of two-way power supply, while
It can be overhauled in case of constant power.Bypass multiplexor is made of two change-over switches, and one is main automatic conversion
Switch, another is by-pass switch, under normal circumstances by main automatic change-over powering load, when automatic change-over occurs
When failure needs to overhaul, it can change in the state of not having a power failure by by-pass switch powering load, main automatic change-over then moves back
Current supply circuit is overhauled out, has ensured continuity, the reliability of power supply system.But there is control in traditional bypass multiplexor
The problems such as process processed is complicated, and reliability is poor, it would be highly desirable to solve.
Summary of the invention
It is an object of the invention to by a kind of bypass multiplexor and its control system, to solve background above technology department
Divide the problem of mentioning.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of bypass multiplexor comprising main automatic change-over and by-pass switch；In the main automatic change-over
Portion is equipped with main automatic change-over circuit；Bypass switching circuit is installed inside the by-pass switch；The main automatic conversion
Switching circuit includes common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source contacting controling circuit, standby
With power supply sub-gate control circuit and main switch often/spare space status circuit；The bypass switching circuit includes that bypass is normal/standby
With location status circuit；Shutting-brake control end, separating brake control terminal and location status input in the main automatic change-over circuit
End is connect with control unit；Location status input terminal in the bypass switching circuit is connect with control unit.
Particularly, after the common power supply sub-gate control circuit receives the common power supply sub-gate signal that control unit issues,
Make main automatic change-over be switched to double quartiles to set, then backup power source contacting controling circuit issues spare according to control unit
Power supply switching signal makes main automatic change-over be transformed into backup power source position.
Particularly, after the backup power source sub-gate control circuit receives the backup power source sub-gate signal that control unit issues,
Make main automatic change-over be switched to double quartiles to set, then commonly uses power supply contacting controling circuit and commonly used according to what control unit issued
Power supply switching signal makes main automatic change-over be transformed into common position of source.
Particularly, the by-pass switch closes a floodgate in common position of source, and it is main from turn that control unit can only issue control
Change the common power supply switching signal or common power supply sub-gate signal of switch；The by-pass switch closes a floodgate at backup power source position,
Control unit can only issue the backup power source switching signal or backup power source sub-gate signal for controlling main automatic change-over.
Based on above-mentioned bypass multiplexor, the invention also discloses a kind of bypass multiplexor control system, the system packets
Include control unit, main automatic change-over and by-pass switch；One end of described control unit is connect with main automatic change-over,
The other end is connect with by-pass switch；Main automatic change-over circuit is installed inside the main automatic change-over；The bypass
Switch internal is equipped with bypass switching circuit；The main automatic change-over circuit includes common power supply contacting controling circuit, often
It is normal/spare with power supply sub-gate control circuit, backup power source contacting controling circuit, backup power source sub-gate control circuit and main switch
Location status circuit；The bypass switching circuit includes bypassing often/spare space status circuit.
Particularly, described control unit first issues common power supply sub-gate signal to common power supply sub-gate control circuit, makes to lead
Automatic change-over is first switched to double quartiles and sets, then issues backup power source switching signal and give backup power source contacting controling circuit, turns
Change to backup power source position.
Particularly, described control unit first issues backup power source sub-gate signal and gives backup power source sub-gate control circuit, makes to lead
Automatic change-over is first switched to double quartiles and sets, then issues common power supply switching signal to common power supply contacting controling circuit, turns
Change to common position of source.
Particularly, described control unit detects that by-pass switch closes a floodgate in common position of source, can only issue control master
The common power supply switching signal or common power supply sub-gate signal of automatic change-over.
Particularly, described control unit detects that by-pass switch closes a floodgate at backup power source position, can only issue control master
The backup power source switching signal or backup power source sub-gate signal of automatic change-over.
Bypass multiplexor proposed by the present invention and its control system advantage are as follows: one, main automatic change-over circuit by
Control unit is to common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source contacting controling circuit, spare
Power supply sub-gate control circuit control effectively, and converts main automatic change-over between two-way power supply, control circuit design
Simply, and it is reliable and stable；Two, control unit can only hold main automatic conversion according to normal/spare space state of by-pass switch
The control signal for issuing and closing a floodgate in same source side is closed, guarantee is not in two-way power supply short circuit, loads the phenomenon that burning.
Detailed description of the invention
Fig. 1 is bypass multiplexor control system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the control principle drawing of bypass multiplexor provided in an embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is makes to the more thorough of the disclosure understanding
Comprehensively.It should be noted that it can be directly to another when an element is considered as " connection " another element
Element may be simultaneously present centering elements.Unless otherwise defined, all technical and scientific terms used herein with
It is identical to belong to the normally understood meaning of those skilled in the art of the invention.Made in the description of the invention herein
Term, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Term as used herein
" and/or " it include any and all combinations of one or more related listed items.
Embodiment one
Bypass multiplexor specifically includes main automatic change-over and by-pass switch in the present embodiment.The main automatic conversion
Switch internal is equipped with main automatic change-over circuit；Bypass switching circuit is installed inside the by-pass switch.The master is certainly
Dynamic conversion switch circuit includes common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source shutting-brake control
Circuit, backup power source sub-gate control circuit and main switch often/spare space status circuit.The bypass switching circuit includes side
Road often/spare space status circuit.Shutting-brake control end, separating brake control terminal and position shape in the main automatic change-over circuit
State input terminal is connect with control unit.Location status input terminal in the bypass switching circuit is connect with control unit.
The process that main automatic change-over is transformed into backup power source position by common position of source in the present embodiment is as follows:
After common power supply sub-gate control circuit receives the common power supply sub-gate signal of control unit sending, switch main automatic change-over
It is set to double quartiles, the backup power source switching signal that then backup power source contacting controling circuit is issued according to control unit makes main automatic
Change-over switch is transformed into backup power source position.Main automatic change-over is transformed into common by backup power source position in the present embodiment
The process of position of source is as follows: after backup power source sub-gate control circuit receives the backup power source sub-gate signal of control unit sending,
Make main automatic change-over be switched to double quartiles to set, then commonly uses power supply contacting controling circuit and commonly used according to what control unit issued
Power supply switching signal makes main automatic change-over be transformed into common position of source.
The by-pass switch closes a floodgate in common position of source in the present embodiment, and it is main certainly that control unit can only issue control
The common power supply switching signal or common power supply sub-gate signal of dynamic change-over switch；The by-pass switch closes a floodgate in backup power source position
When, control unit can only issue the backup power source switching signal or backup power source sub-gate signal for controlling main automatic change-over.
Embodiment two
As shown in Figure 1, the bypass multiplexor provided based on the above embodiment, the present embodiment provides a kind of bypass conversions to open
Control system is closed, which includes control unit, main automatic change-over and by-pass switch.One end of described control unit with
Main automatic change-over connection, the other end are connect with by-pass switch；It is equipped with inside the main automatic change-over main from turn
Change switching circuit；Bypass switching circuit is installed inside the by-pass switch；The main automatic change-over circuit includes common
Power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source contacting controling circuit, backup power source separating brake control electricity
Road and main switch often/spare space status circuit；The bypass switching circuit includes bypassing often/spare space status circuit.
Specifically, described control unit in main automatic change-over circuit shutting-brake control end, separating brake control terminal and location status it is defeated
Enter end connection；Described control unit is connect with the location status input terminal in bypass switching circuit.
When work, control unit first issues common power supply sub-gate signal to common power supply sub-gate control circuit, makes main automatic
Change-over switch is first switched to double quartiles and sets, then issues backup power source switching signal and give backup power source contacting controling circuit, is transformed into
Main automatic change-over is completed by commonly using the conversion of position of source to backup power source position in backup power source position.Control unit is first
It issues backup power source sub-gate signal and gives backup power source sub-gate control circuit, so that main automatic change-over is first switched to double quartiles and set,
Common power supply switching signal is issued again to common power supply contacting controling circuit, is transformed into common position of source, is completed main from turn
Change conversion of the switch by backup power source position to common position of source.Control unit is detecting by-pass switch combined floodgate in common electricity
When source position, the common power supply switching signal or common power supply sub-gate signal for controlling main automatic change-over can only be issued；Equally
, control unit is detecting that by-pass switch closes a floodgate at backup power source position, can only issue the main automatic change-over of control
Backup power source switching signal or backup power source sub-gate signal.
Specifically, as shown in Fig. 2, the common power supply shutting-brake control process of main automatic change-over is as follows: control unit is given
Common power supply shutting-brake control end 7,8 issues switching signal AC220V, and microswitch AX2 and AX3 is in closed state at this time, so that
The coil of contactor KM1 obtains electric, the contact closure of contactor KM1, since terminal 1,2 accesses common power supply, commonly uses power supply and passes through
Closing coil CC is connected after the rectified bridge si rectification in the contact of contactor KM1, closing coil CC once obtains electric, drive switching-on mechanism
Main automatic change-over is set to be transformed into common position of source, at this moment microswitch AX2 is disconnected, AX4 and AX6 closure, microswitch
After AX2 is disconnected, also just the electricity went off by closing coil CC, prevents the phenomenon that coil long-time energization can be burnt.
The common power supply separating brake control process of main automatic change-over is as follows: control unit gives common power supply separating brake control terminal
11,12 sub-gate signal is issued, microswitch AX4 is in closed state at this time, so that the coil of contactor KM3 obtains electric, contactor
The contact closure of KM3, opening coil TC obtain electric, drive brake separating mechanism that main automatic change-over is made to be transformed into double quartiles and set, at this moment
Microswitch AX2 closure, AX4 and AX6 are disconnected.The backup power source shutting-brake control method of main automatic change-over: control unit is given
Backup power source shutting-brake control end 9,10 issues switching signal, and microswitch AX2 is in closed state at this time, so that contactor KM4
Coil obtain electric, the contact closure of contactor KM4, select coil SC to obtain electric, drive microswitch AX3 opened point closure, at this moment
Contactor KM2 coil obtains electric, contactor KM2 contact closure, and closing coil CC obtains electric, and switching-on mechanism is driven to open main automatic conversion
Pass is transformed into backup power source position, and at this moment microswitch AX2 is disconnected, AX5 and AX7 closure.The standby electricity of main automatic change-over
Source separating brake control method: control unit issues sub-gate signal to backup power source separating brake control terminal 13,14, at this time microswitch AX5
In closed state, so that the coil of contactor KM3 obtains electric, the contact closure of contactor KM3, opening coil TC obtains electric, drive
Brake separating mechanism makes main automatic change-over be transformed into double quartiles to set, and at this moment microswitch AX2 is closed, and AX5 and AX7 are disconnected.Bypass
It switchs often/spare space status circuit to be made of two groups of microswitches, by-pass switch mechanical, hand-driven is transformed into common position of source
When, so that microswitch BX1 is closed, when by-pass switch is transformed into backup power source position, so that microswitch BX3 is closed.Master opens
It closes the normal/spare space state BX1/BX3 of often/spare space state AX6/AX7 and by-pass switch and all acquire and be input to control singly
Member, is shown on same interface, and client is very clear to bypass multiplexor state.
In technical solution of the present invention main automatic change-over electricity route control unit to common power supply contacting controling circuit,
Common power supply sub-gate control circuit, backup power source contacting controling circuit, backup power source sub-gate control circuit control effectively, and make
Main automatic change-over is converted between two-way power supply, and control circuit design is simple and reliable and stable；Control unit is according to side
Normal/spare space state of way switch only can issue the control signal to close a floodgate in same source side to main automatic change-over, protect
The phenomenon that card is not in two-way power supply short circuit, and load is burnt.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of bypass multiplexor, which is characterized in that including main automatic change-over and by-pass switch；The main automatic conversion
Switch internal is equipped with main automatic change-over circuit；Bypass switching circuit is installed inside the by-pass switch；The master is certainly
Dynamic conversion switch circuit includes common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source shutting-brake control
Circuit, backup power source sub-gate control circuit and main switch often/spare space status circuit；The bypass switching circuit includes side
Road often/spare space status circuit；Shutting-brake control end, separating brake control terminal and position shape in the main automatic change-over circuit
State input terminal is connect with control unit；Location status input terminal in the bypass switching circuit is connect with control unit.
2. bypass multiplexor according to claim 1, which is characterized in that the common power supply sub-gate control circuit receives
After the common power supply sub-gate signal that control unit issues, so that main automatic change-over is switched to double quartiles and set, then backup power source
The backup power source switching signal that contacting controling circuit is issued according to control unit makes main automatic change-over be transformed into backup power source
Position.
3. bypass multiplexor according to claim 2, which is characterized in that the backup power source sub-gate control circuit receives
After the backup power source sub-gate signal that control unit issues, so that main automatic change-over is switched to double quartiles and set, then commonly use power supply
Contacting controling circuit makes main automatic change-over be transformed into common power supply according to the common power supply switching signal that control unit issues
Position.
4. bypass multiplexor according to claim 3, which is characterized in that the by-pass switch closes a floodgate in common power supply position
When setting, control unit can only issue the common power supply switching signal or common power supply sub-gate signal for controlling main automatic change-over；
The by-pass switch closes a floodgate at backup power source position, and control unit can only issue the backup power source for controlling main automatic change-over
Switching signal or backup power source sub-gate signal.
5. a kind of bypass multiplexor control system, which is characterized in that including control unit, main automatic change-over and bypass
Switch；One end of described control unit is connect with main automatic change-over, and the other end is connect with by-pass switch；The master is from turn
It changes switch internal and main automatic change-over circuit is installed；Bypass switching circuit is installed inside the by-pass switch；The master
Automatic change-over circuit includes common power supply contacting controling circuit, common power supply sub-gate control circuit, backup power source combined floodgate control
Circuit processed, backup power source sub-gate control circuit and main switch often/spare space status circuit；The bypass switching circuit includes
Bypass often/spare space status circuit.
6. bypass multiplexor control system according to claim 5, which is characterized in that described control unit first issues often
Common power supply sub-gate control circuit is given with power supply sub-gate signal, so that main automatic change-over is first switched to double quartiles and sets, then issue
Backup power source switching signal gives backup power source contacting controling circuit, is transformed into backup power source position.
7. bypass multiplexor control system according to claim 6, which is characterized in that described control unit first issues standby
Backup power source sub-gate control circuit is given with power supply sub-gate signal, so that main automatic change-over is first switched to double quartiles and sets, then issue
Common power supply switching signal gives common power supply contacting controling circuit, is transformed into common position of source.
8. bypass multiplexor control system according to claim 7, which is characterized in that described control unit detects side
Way switch closes a floodgate in common position of source, can only issue the common power supply switching signal for controlling main automatic change-over or common
Power supply sub-gate signal；Described control unit detects that by-pass switch closes a floodgate at backup power source position, and it is main certainly can only to issue control
The backup power source switching signal or backup power source sub-gate signal of dynamic change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242882.5A CN109756027A (en) | 2019-03-28 | 2019-03-28 | A kind of bypass multiplexor and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242882.5A CN109756027A (en) | 2019-03-28 | 2019-03-28 | A kind of bypass multiplexor and its control system |
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| Publication Number | Publication Date |
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| CN109756027A true CN109756027A (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910242882.5A Pending CN109756027A (en) | 2019-03-28 | 2019-03-28 | A kind of bypass multiplexor and its control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932385A (en) * | 2019-12-19 | 2020-03-27 | 常熟开关制造有限公司(原常熟开关厂） | Bypass type automatic transfer switch and testing method thereof |
| CN112558653A (en) * | 2020-11-20 | 2021-03-26 | 中国能源建设集团华东电力试验研究院有限公司 | Automatic control system and control method for bypass temperature of load shedding test |
| CN112735870A (en) * | 2020-12-25 | 2021-04-30 | 施耐德万高（天津）电气设备有限公司 | Automatic synchronization method and device for dual-power bypass switch |
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| CN209627048U (en) * | 2019-03-28 | 2019-11-12 | 无锡双欢电气有限公司 | A kind of bypass multiplexor and its control system |
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