CN207926267U - a kind of UPS system - Google Patents
a kind of UPS system Download PDFInfo
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- CN207926267U CN207926267U CN201820423776.8U CN201820423776U CN207926267U CN 207926267 U CN207926267 U CN 207926267U CN 201820423776 U CN201820423776 U CN 201820423776U CN 207926267 U CN207926267 U CN 207926267U
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Abstract
The utility model discloses a kind of ups systems, including the two-way controllable switch that input terminal is connect with bypass supply, output end passes through the first load end switch and load connection；The relay that input terminal is electrically connected by inverter and rectifier with city, output end passes through the second load end switch and load connection；The control device being connect respectively with the control terminal of the control terminal of two-way controllable switch and relay, for when load supplying switches to alternating current by bypass supply, control relay is attracted preset time until relay controls two-way controllable switch and disconnects again after being attracted completely.In the application, control device can control the problem of two-way controllable switch disconnects, is not in power down again after control relay is attracted and is attracted completely up to relay for a period of time, improve the power supply reliability of ups system.
Description
Technical field
The utility model is related to UPS technical fields, more particularly to a kind of ups system.
Background technology
UPS (Uninterruptible Power System/Uninterruptible Power Supply, uninterruptedly
Power supply) applied in power electrical apparatus field it is more and more, ups system can be separate unit UPS, can also be more UPS
Parallel connection, please refers to Fig. 1, and Fig. 1 is the structural schematic diagram for the ups system for including two UPS, the firewire L and zero curve N of UPS1 and UPS2
It is connected respectively together by loading end switch, when ups system is started to work, bypass supply passes through a UPS first
In the output of two-way controllable switch, meanwhile, the rectifier and inverter of UPS are started to work, after the completion of inverter work, control
The relay shutdown in circuit where control inverter while making two-way controllable switch shutdown, but needed since relay is attracted
Time, therefore, after the shutdown of two-way controllable switch, this period before relay is thoroughly attracted, ups system is without normal load
Power supply so that load power down reduces the power supply reliability of ups system.
Therefore, how to provide it is a kind of solve above-mentioned technical problem scheme be that those skilled in the art need to solve at present
Problem.
Utility model content
The purpose of this utility model is to provide a kind of ups system, and control device can be attracted a period of time in control relay
Until relay controls the problem of two-way controllable switch disconnects, is not in power down again after being attracted completely, ups system is improved
Power supply reliability.
In order to solve the above technical problems, the utility model provides a kind of ups system, including：
Two-way controllably the opening that input terminal is connect with bypass supply, output end passes through the first load end switch and load connection
It closes；
Input terminal is electrically connected by inverter and rectifier with city, output end is connected by the second load end switch with load
Relay；
The control device being connect respectively with the control terminal of the control terminal of the two-way controllable switch and the relay, is used for
When load supplying switches to the alternating current by the bypass supply, control the relay be attracted preset time until it is described after
Electric appliance controls the two-way controllable switch and disconnects again after being attracted completely.
Preferably, the ups system includes 1 UPS, and the control device includes 1 controller.
Preferably, the ups system includes N platforms UPS, and the control device includes N platform controllers, controller described in N platforms
Communication ends be connected with each other, the control terminal of every controller respectively with the control terminal of the relay in respective place UPS and two-way
The control terminal of controllable switch connects, and N is the integer not less than 2；
Every controller is used for when load supplying switches to the alternating current by the bypass supply, controls its place
Relay in UPS is attracted preset time until two-way controllable in UPS where controlling it again after relay actuation completely
Switch disconnects.
Preferably, the ups system includes more UPS, and the control device includes in the more UPS, is to be turned off
The second controller of UPS, institute where the first controller of UPS where the two-way controllable switch and the relay to be attracted
The communication ends for stating the first controller are connected with the communication ends of the second controller, the control terminal of first controller with wait closing
The control terminal of the disconnected two-way controllable switch connects, the control terminal of the second controller and the relay to be attracted
Control terminal connects；
The second controller is used for when load supplying switches to the alternating current by the bypass supply, is controlled and is waited being attracted
The relay be attracted preset time until the relay be attracted completely, then trigger first controller；
First controller is used to control the two-way controllable switch to be turned off in a triggered and disconnects.
Preferably, the ups system includes more UPS, and the control device includes in the more UPS, is to be turned off
The second controller of UPS, institute where the first controller of UPS where the two-way controllable switch and the relay to be attracted
The communication ends for stating the first controller are connected with the communication ends of the second controller, the control terminal of first controller with wait closing
The control terminal of the disconnected two-way controllable switch connects, the control terminal of the second controller and the relay to be attracted
Control terminal connects；
The second controller is used for when load supplying switches to the alternating current by the bypass supply, is controlled and is waited being attracted
The relay be attracted and trigger first controller；
First controller in the relay in a triggered, being attracted preset time until the relay is complete
The two-way controllable switch to be turned off is controlled after full actuation to disconnect.
Preferably, between each controller, alternatively, passing through between first controller and the second controller
CAN bus is connected with each other.
Preferably, between each controller, alternatively, passing through between first controller and the second controller
RS485 buses are connected with each other.
Preferably, the two-way controllable switch is bidirectional triode thyristor.
Preferably, the first load end switch and the second load end switch are load end air switch.
This application provides a kind of ups systems, including input terminal is connect with bypass supply, output end passes through the first load end
The two-way controllable switch of switch and load connection；Input terminal is electrically connected by inverter and rectifier with city, output end is by
The relay of two load end switch and load connection；It is connect respectively with the control terminal of the control terminal of two-way controllable switch and relay
Control device, for when load supplying switches to alternating current by bypass supply, control relay be attracted preset time until after
Electric appliance controls two-way controllable switch and disconnects again after being attracted completely.In the application, control device can be attracted one section in control relay
Time until the problem of controlling two-way controllable switch disconnection after relay actuation completely again, being not in power down, improves UPS systems
The power supply reliability of system.
Description of the drawings
It, below will be to the prior art and embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the ups system for including two UPS；
Fig. 2 is a kind of structural schematic diagram of ups system provided by the utility model；
The fundamental diagram that Fig. 3 is a kind of ups system provided by the utility model when including 1 UPS；
Fig. 4 be it is provided by the utility model it is a kind of include 2 UPS and two-way controllable switch and the relay in other UPS
Fundamental diagram when matching.
Specific implementation mode
The core of the utility model is to provide a kind of ups system, and control device can be attracted a period of time in control relay
Until relay controls the problem of two-way controllable switch disconnects, is not in power down again after being attracted completely, ups system is improved
Power supply reliability.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 2 is please referred to, Fig. 2 is that (figure is with two-way controllable for a kind of structural schematic diagram of ups system provided by the utility model
For switch 1 is matched with the relay RLY in other UPS), which includes：
The two-way controllable switch that input terminal is connect with bypass supply, output end passes through the first load end switch and load connection
1；
Input terminal is electrically connected by inverter and rectifier with city, output end is connected by the second load end switch with load
Relay RLY；
The control device 2 being connect respectively with the control terminal of the control terminal of two-way controllable switch 1 and relay RLY is used for
When load supplying switches to alternating current by bypass supply, control relay RLY is attracted preset time until relay RLY is attracted completely
Control the disconnection of two-way controllable switch 1 again afterwards.
It is understood that ups system further includes inverter and rectifier.When ups system is started to work, it is contemplated that rectification
Device and inverter enter working condition (namely booting) and need a period of time, and therefore, control device 2 is inhaled in control relay RLY
Until this period before being attracted completely can control two-way controllable switch 1, (disconnection of two-way controllable switch 1 and closing time are equal for conjunction
It is very short) elder generation's Operating In Persistent Current Mode, it is load supplying, control that bypass supply loads end switch first by two-way controllable switch 1 and first
Device 2 after relay RLY completely be attracted after control again two-way controllable switch 1 disconnect, at this time load change by alternating current by rectifier,
Inverter, the load end switch power supplies of relay RLY and second.
It should be noted that relay RLY here is that can pass through inspection from starting to be attracted to complete actuation this period
It surveys or empirical, therefore, control device 2 need to only control two-way in control after relay RLY is attracted preset time
Controllable switch 1, which disconnects, can avoid load power down.
In addition, the first load end switch and the second load end switch here can be able to be two for a switch and open
It closes, specific choice is determined according to actual conditions, and the application does not limit particularly herein.
To sum up, in the application, control device 2 can be attracted a period of time until relay RLY is complete in control relay RLY
The problem of controlling the disconnection of two-way controllable switch 1 after actuation again, being not in power down, improves the power supply reliability of ups system.
On the basis of the above embodiments：
As a kind of preferred embodiment, ups system includes 1 UPS, and control device 2 includes 1 controller.
It is understood that UPS generally includes controller, bypass branch and alternating current branch, wherein bypass branch includes double
To controllable switch 1, alternating current branch includes rectifier, inverter and relay RLY.
In the present embodiment, ups system includes 1 UPS, and in the case of this kind, control device 2 is the controller in this UPS,
Two-way controllable switch 1 is the two-way controllable switch in this UPS, and relay RLY is that the relay in this UPS is specifically asked
With reference to Fig. 3, the fundamental diagram that Fig. 3 is a kind of ups system provided by the utility model when including 1 UPS, the ups system
Operation principle is identical as what is introduced in above-described embodiment, and details are not described herein for the present embodiment.
The present embodiment be suitable for include 1 UPS ups system, control device 2 can control relay RLY actuation one section
Time until the problem of controlling the disconnection of two-way controllable switch 1 again after relay RLY actuations completely, be not in power down, improves
The power supply reliability of ups system.
As a kind of preferred embodiment, ups system includes N platform UPS, and control device 2 includes N platform controllers, the control of N platforms
The communication ends of device are connected with each other, the control terminal of every controller respectively with the control terminal of the relay RLY in respective place UPS and
The control terminal of two-way controllable switch 1 connects, and N is the integer not less than 2；
Every controller is used for when load supplying switches to alternating current by bypass supply, the relay in UPS where controlling it
Device RLY is attracted preset time until the two-way controllable switch 1 that relay RLY is controlled after being attracted completely again in the UPS of its place disconnects.
In the present embodiment, ups system includes N platforms UPS, and (bypass branch in each UPS is put into be made this kind of situation
With) under, control device 2 includes N platform controllers, and two-way controllable switch 1 is the two-way controllable switch in each UPS, relay RLY
For the relay (two-way controllable switch 1 and relay RLY in every UPS match) in each UPS, the work of the ups system
It is identical as what is introduced in above-described embodiment to make principle, details are not described herein for the present embodiment.
The present embodiment is suitable for including the relay in the two-way controllable switch 1 and this UPS N platforms UPS and every UPS
The matched ups systems of device RLY, the relay RLY in UPS where the controller in each UPS can control respectively are attracted one section
The disconnection of two-way controllable switch 1 in UPS where time controls respectively again after relay RLY is attracted completely, is not in fall
The problem of electricity, improves the power supply reliability of ups system.
As a kind of preferred embodiment, ups system includes more UPS, and control device 2 includes in more UPS, waits turning off
1 place UPS of two-way controllable switch the first controller and UPS where relay RLY to be attracted second controller, first
The communication ends of controller are connected with the communication ends of second controller, and the control terminal of the first controller two-way is controllably opened with to be turned off
1 control terminal connection is closed, the control terminal of second controller is connect with the control terminal of relay RLY to be attracted；
Second controller is used for when load supplying switches to alternating current by bypass supply, controls relay RLY to be attracted
Actuation preset time is attracted completely up to relay RLY, then triggers the first controller；
First controller is used to control two-way controllable switch 1 to be turned off in a triggered and disconnects.
Specifically, above-described embodiment describes two-way controllable switch 1 and the relay RLY in UPS where it is matched
Situation, the present embodiment mainly introduce the matched situations of relay RLY in two-way controllable switch 1 and other UPS, this kind of situation
Under, control device 2 includes in more UPS, the first controller of 1 place UPS of two-way controllable switch to be turned off and to be attracted
The second controller of UPS where relay RLY.
In the present embodiment, the handoff procedure between two-way controllable switch 1 to be turned off and relay RLY to be attracted is main
For：Second controller is controlled when load supplying switches to alternating current by bypass supply when the relay RLY being attracted is attracted default
Between until relay RLY is attracted completely, then trigger the first controller, the first controller controls to be turned off double in a triggered
It is disconnected to controllable switch 1.
Specifically, please refer to Fig. 4, Fig. 4 be it is provided by the utility model it is a kind of include 2 UPS and two-way controllable switch with
Fundamental diagram when relay in other UPS matches.If two-way controllable switch 1 to be turned off is in relay to be attracted
If just being turned off when device RLY is attracted, is turned off naturally after zero crossing wait the two-way controllable switch 1 turned off, then there is power down time
T2.And if closed again after after the relay RLY being attracted completely actuation after preset time wait the two-way controllable switch 1 turned off
If disconnected (the compensation time of UPS1 is T1), the case where ups system is not in power down at this time.
In addition, to ensure that relay RLY to be attracted is attracted not arcing, relay RLY carries out Super-zero control, i.e. relay
RLY actuations are when to be inversion phase in place be π or 2 π, it is known that in the case of relay RLY pickup times, shift to an earlier date at zero passage
Pickup time sends out control signal, is zero-acrross ing moment when ensureing to be attracted, further improves the power supply reliability of ups system.
The present embodiment including more UPS and two-way controllable switch 1 with the relay RLY other UPS suitable for matching
Ups system, the relay RLY in UPS where the controller in each UPS can control respectively is attracted a period of time until relay
The problem of two-way controllable switch 1 in UPS where device RLY is controlled respectively again after being attracted completely disconnects, is not in power down, improves
The power supply reliability of ups system.
As a kind of preferred embodiment, ups system includes more UPS, and control device 2 includes in more UPS, waits turning off
1 place UPS of two-way controllable switch the first controller and UPS where relay RLY to be attracted second controller, first
The communication ends of controller are connected with the communication ends of second controller, and the control terminal of the first controller two-way is controllably opened with to be turned off
1 control terminal connection is closed, the control terminal of second controller is connect with the control terminal of relay RLY to be attracted；
Second controller is used for when load supplying switches to alternating current by bypass supply, controls relay RLY to be attracted
It is attracted and triggers the first controller；
First controller in relay RLY in a triggered, being attracted preset time until relay RLY is attracted completely
Two-way controllable switch 1 to be turned off is controlled afterwards to disconnect.
The embodiment is identical as upper embodiment principle, and only handoff procedure is slightly different, and specifically, to be turned off is two-way
Handoff procedure between controllable switch 1 and relay RLY to be attracted is mainly：Second controller is in load supplying by bypass electricity
It when source switches to alternating current, controls and also triggers the first controller while relay RLY to be attracted is attracted, the first controller can be
Relay RLY is attracted preset time until relay RLY controls two-way controllable switch 1 to be turned off and disconnects after being attracted completely.
When specific implementation, the triggering command that second controller can be arranged includes the preset time postponed needed for the first controller,
The first controller automatically delaying preset time after receiving triggering command is could be provided as, which kind of scheme the application is specifically selected
It does not limit particularly herein.
The present embodiment including more UPS and two-way controllable switch 1 with the relay RLY other UPS suitable for matching
Ups system, the second controller of UPS switches to alternating current in load supplying by bypass supply where relay RLY to be attracted
When, the first controller that relay RLY to be attracted is attracted and triggers 1 place UPS of two-way controllable switch to be turned off is controlled, the
One controller is attracted preset time until being controlled after relay RLY actuations completely to be turned off in a triggered, in relay RLY
The problem of disconnection of two-way controllable switch 1 is not in power down, improves the power supply reliability of ups system.
As a kind of preferred embodiment, between each controller, alternatively, passing through between the first controller and second controller
CAN bus is connected with each other.
Specifically, communicated by CAN bus between each controller in the application, CAN bus have it is real-time,
Transmission range farther out, the advantage that anti-electromagnetic interference capability is strong, at low cost.
As a kind of preferred embodiment, between each controller, alternatively, passing through between the first controller and second controller
RS485 buses are connected with each other.
Specifically, it can also be communicated by RS485 buses between each controller in the application,
RS485 buses have the advantages that message transmission rate is high, noise immunity is good.Certainly, each in the application
It can also be communicated by other transfer bus between controller, the application does not limit particularly herein.
As a kind of preferred embodiment, two-way controllable switch 1 is bidirectional triode thyristor.
Specifically, two-way controllable switch 1 has the advantages that small, efficient and easy to use, using in this application
The power supply reliability of ups system can be further improved.
Certainly, two-way controllable switch 1 here can also use other kinds of switch, the application not to make herein particularly
It limits.
As a kind of preferred embodiment, the first load end switch and the second load end switch are load end air switch.
Specifically, load end air switch has preferably protective value, has the protective values such as overload, short circuit, decompression,
Further improve the power supply reliability of ups system.Certainly, the first load end switch and the second load end switch here may be used also
To use other kinds of switch, the application not to limit particularly herein.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (9)
1. a kind of ups system, which is characterized in that including：
The two-way controllable switch that input terminal is connect with bypass supply, output end passes through the first load end switch and load connection；
Input terminal is electrically connected by inverter and rectifier with city, output end is connected by the second load end switch with the load
Relay；
The control device being connect respectively with the control terminal of the control terminal of the two-way controllable switch and the relay, for negative
When load power supply switches to the alternating current by the bypass supply, controls the relay and be attracted preset time until the relay
The two-way controllable switch is controlled after being attracted completely again to disconnect.
2. ups system as described in claim 1, which is characterized in that the ups system includes 1 UPS, the control device
Including 1 controller.
3. ups system as described in claim 1, which is characterized in that the ups system includes N platforms UPS, the control device
Including N platform controllers, the communication ends of controller described in N platforms are connected with each other, the control terminal of every controller respectively with respective place
The control terminal of relay in UPS is connected with the control terminal of two-way controllable switch, and N is the integer not less than 2；
Every controller is used for when load supplying switches to the alternating current by the bypass supply, controls UPS where it
In relay be attracted preset time until the relay controls the two-way controllable switch in UPS where it again after being attracted completely
It disconnects.
4. ups system as described in claim 1, which is characterized in that the ups system includes more UPS, the control device
Including in the more UPS, the first controller of UPS where the to be turned off two-way controllable switch and it is to be attracted described in after
The second controller of UPS, the communication ends of first controller are connected with the communication ends of the second controller where electric appliance, institute
The control terminal for stating the first controller is connect with the control terminal of the two-way controllable switch to be turned off, the control of the second controller
End processed is connect with the control terminal of the relay to be attracted；
The second controller is used for when load supplying switches to the alternating current by the bypass supply, controls institute to be attracted
State relay be attracted preset time until the relay be attracted completely, then trigger first controller；
First controller is used to control the two-way controllable switch to be turned off in a triggered and disconnects.
5. ups system as described in claim 1, which is characterized in that the ups system includes more UPS, the control device
Including in the more UPS, the first controller of UPS where the to be turned off two-way controllable switch and it is to be attracted described in after
The second controller of UPS, the communication ends of first controller are connected with the communication ends of the second controller where electric appliance, institute
The control terminal for stating the first controller is connect with the control terminal of the two-way controllable switch to be turned off, the control of the second controller
End processed is connect with the control terminal of the relay to be attracted；
The second controller is used for when load supplying switches to the alternating current by the bypass supply, controls institute to be attracted
Relay is stated to be attracted and trigger first controller；
First controller in the relay in a triggered, being attracted preset time until the relay is inhaled completely
The two-way controllable switch to be turned off is controlled after conjunction to disconnect.
6. such as claim 3-5 any one of them ups systems, which is characterized in that between each controller, alternatively, described
It is connected with each other by CAN bus between first controller and the second controller.
7. ups system as described in claim 4 or 5, which is characterized in that between each controller, alternatively, first control
It is connected with each other by RS485 buses between device processed and the second controller.
8. ups system as described in claim 1, which is characterized in that the two-way controllable switch is bidirectional triode thyristor.
9. ups system as described in claim 1, which is characterized in that the first load end switch and second load end
Switch is load end air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423776.8U CN207926267U (en) | 2018-03-27 | 2018-03-27 | a kind of UPS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423776.8U CN207926267U (en) | 2018-03-27 | 2018-03-27 | a kind of UPS system |
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| Publication Number | Publication Date |
|---|---|
| CN207926267U true CN207926267U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820423776.8U Active CN207926267U (en) | 2018-03-27 | 2018-03-27 | a kind of UPS system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030285A (en) * | 2019-12-20 | 2020-04-17 | 科华恒盛股份有限公司 | Uninterrupted power supply phase-locking implementation method and terminal equipment |
| CN113394876A (en) * | 2021-06-25 | 2021-09-14 | 漳州科华电气技术有限公司 | UPS power supply method and system based on load short circuit and UPS |
-
2018
- 2018-03-27 CN CN201820423776.8U patent/CN207926267U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030285A (en) * | 2019-12-20 | 2020-04-17 | 科华恒盛股份有限公司 | Uninterrupted power supply phase-locking implementation method and terminal equipment |
| CN111030285B (en) * | 2019-12-20 | 2021-11-05 | 漳州科华技术有限责任公司 | Uninterrupted power supply phase-locking implementation method and terminal equipment |
| CN113394876A (en) * | 2021-06-25 | 2021-09-14 | 漳州科华电气技术有限公司 | UPS power supply method and system based on load short circuit and UPS |
| CN113394876B (en) * | 2021-06-25 | 2024-07-30 | 漳州科华技术有限责任公司 | UPS power supply method and system based on load short circuit and UPS |
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