CN209627048U - 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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- CN209627048U CN209627048U CN201920407284.4U CN201920407284U CN209627048U CN 209627048 U CN209627048 U CN 209627048U CN 201920407284 U CN201920407284 U CN 201920407284U CN 209627048 U CN209627048 U CN 209627048U
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- power supply
- over
- power source
- automatic change
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- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000003447 ipsilateral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
It includes main automatic change-over and by-pass switch that the utility model, 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 utility model 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 utility model 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.
Utility model content
The purpose of this utility model is that by a kind of bypass multiplexor and its control system, to solve background above skill
The problem of art part is mentioned.
For this purpose, the utility model uses 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 systems, this is
System includes control unit, main automatic change-over and by-pass switch；One end of described control unit and main automatic change-over
Connection, the other end are connect with by-pass switch；Main automatic change-over circuit is installed inside the main automatic change-over；It is described
Bypass switching circuit is installed inside by-pass switch；The main automatic change-over circuit includes common power supply shutting-brake control electricity
Road, 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.
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.
The utility model proposes bypass multiplexor and its control system advantage it is as follows: one, 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 converts main automatic change-over between two-way power supply, control circuit
Design is simple, and reliable and stable；Two, control unit, only can be to main from turn according to normal/spare space state of by-pass switch
It changes switch and issues the control signal to close a floodgate in same source side, 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 by the embodiment of the utility model；
Fig. 2 is the control principle drawing of bypass multiplexor provided by the embodiment of the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
Open the more thorough and comprehensive of content understanding.It should be noted that it can when an element is considered as " connection " another element
To be directly to another element or may be simultaneously present centering elements.Unless otherwise defined, institute used herein
Some technical and scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.Herein
In term used in the description of the utility model be only for the purpose of describing specific embodiments and be not intended to
Limit the utility model.Term " and or " used herein include the arbitrary of one or more relevant listed items and
All combinations.
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.
Main automatic change-over electricity route control unit is to common power supply shutting-brake control in the technical solution of the utility model
Circuit, common power supply sub-gate control circuit, backup power source contacting controling circuit, backup power source sub-gate control circuit are effectively controlled
System, converts main automatic change-over between two-way power supply, and control circuit design is simple and reliable and stable；Control unit
According to normal/spare space state of by-pass switch, can only the control closed a floodgate in same source side be issued to main automatic change-over
The phenomenon that signal, guarantee are not in two-way power supply short circuit, and load is burnt.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
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 issues the backup power source combined floodgate for controlling main automatic change-over
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 from turn to issue control
Change the backup power source switching signal or backup power source sub-gate signal of switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920407284.4U CN209627048U (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 |
|---|---|---|---|
| CN201920407284.4U CN209627048U (en) | 2019-03-28 | 2019-03-28 | A kind of bypass multiplexor and its control system |
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| Publication Number | Publication Date |
|---|---|
| CN209627048U true CN209627048U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920407284.4U Expired - Fee Related CN209627048U (en) | 2019-03-28 | 2019-03-28 | A kind of bypass multiplexor and its control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756027A (en) * | 2019-03-28 | 2019-05-14 | 无锡双欢电气有限公司 | A kind of bypass multiplexor and its control system |
-
2019
- 2019-03-28 CN CN201920407284.4U patent/CN209627048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756027A (en) * | 2019-03-28 | 2019-05-14 | 无锡双欢电气有限公司 | A kind of bypass multiplexor and its control system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |