CN207398895U - A kind of high power UPS charging circuit - Google Patents
A kind of high power UPS charging circuit Download PDFInfo
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- CN207398895U CN207398895U CN201721267116.7U CN201721267116U CN207398895U CN 207398895 U CN207398895 U CN 207398895U CN 201721267116 U CN201721267116 U CN 201721267116U CN 207398895 U CN207398895 U CN 207398895U
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Abstract
The utility model provides a kind of high power UPS charging circuit, using the use by battery protection unit, provides a kind of UPS charging circuit solutions that can be with intelligent control and more stable.Including from input terminal to the sequentially connected rectification input breaker of output terminal, the first isolating transformer, rectifier, inverter, the second isolating transformer, the first static switch and output breaker; further include battery charging and discharging circuit; described battery charging and discharging circuit one end is connected with battery; the other end is linked between the rectifier and the inverter, and battery input breaker and battery protection unit are equipped with successively to the other end from one end on the battery charging and discharging circuit.
Description
Technical field
The utility model is related to UPS equipment field, more particularly to a kind of high power UPS charging circuit.
Background technology
Major part high power UPS is directly connected together using system schema such as Fig. 1, battery with rectifier, inverter at present,
Rectifier not only to inverter power supply but also charged the battery, battery fill it is full after be constantly in floating charge state, have to battery life very big
It influences；If high pressure, which occurred, in rectifier can not but disconnect battery, UPS is at carrying out to over-charging of battery state；It such as closes whole
Device is flowed by battery discharge, rectifier is opened again after voltage decline, and battery can charge again, and circulating battery is repeatedly in this case
Charge and discharge also have a significant impact to battery life.After over-charging of battery or battery are full of, contactor KM is disconnected, if at this moment occurred
Alternating current power down, then KM is attracted, since city's electro-detection needs time and contactor actuation to need the time, it will result in UPS and break
The electric time.Therefore this scheme can not disconnect contactor KM and carry out battery intelligent control.
Utility model content
The utility model provides a kind of high power UPS charging circuit, using the use by battery protection unit, carries
A kind of UPS charging circuit solutions that can be with intelligent control and more stable are supplied.
To achieve the above object, technical solutions of the utility model are：
A kind of high power UPS charging circuit, including from input terminal to output terminal sequentially connected rectification input breaker, the
One isolating transformer, rectifier, inverter, the second isolating transformer, the first static switch and output breaker, further include electricity
Pond charge and discharge electric line, described battery charging and discharging circuit one end are connected with battery, and the other end is linked into the rectifier and described inverse
Become between device, battery input breaker and battery protection list are equipped with successively to the other end from one end on the battery charging and discharging circuit
Member.
Preferably, the battery protection unit includes contactor KM1, contactor KM2 and diode D, the contactor
KM1 and the contactor KM2 are connected in parallel, and the anode of the diode D is connected with battery input breaker, cathode and institute
State contactor KM1 connections.
Preferably, the battery protection unit includes contactor KM2 and diode D, the contactor KM2 and two pole
Pipe D is in parallel and the diode D anodes be connecteds with battery input breaker, the cathode access rectifier and the inversion
Between device.
Preferably, the battery protection unit includes contactor KM1, contactor KM2, resistance R, diode D1 and two poles
Pipe D2, the resistance R, the contactor KM1, the contactor KM2 are parallel with one another, the diode D1 anodes and the battery
Breaker connection is inputted, cathode is connected with the resistance R, and anode and the battery input breaker of the diode D2 connect
It connects, cathode is connected with the contactor KM1.
Further, backup bypass breaker, the second static switch and maintenance bypass breaker are further included, described second
Static switch one end is accessed between first static switch and the output breaker, the other end and backup bypass open circuit
Bypass input end is accessed after device series connection；The maintenance bypass breaker is connected across between bypass input end and output terminal.
From the above description of the utility model, it can be seen, compared to the prior art, the utility model has the following advantages that：
The utility model realizes the intelligent management of battery so that battery system in UPS by the design of battery protection unit
The service life of system gets a promotion, and has cell anti-reverse connection function, and occurs overcharging electric process and be also less likely to occur to damage, together
When, UPS power failures will not be caused in the case of alternating current power down.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms one of the utility model
Point, the schematic description and description of the utility model is not formed for explaining the utility model to the utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is the structure diagram of original high power UPS charging circuit；
Fig. 2 is the structure diagram of the utility model embodiment one；
Fig. 3 is the structure diagram of the utility model embodiment two；
Fig. 4 is the structure diagram of the utility model embodiment three.
Specific embodiment
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, the utility model is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
Embodiment one：
With reference to Fig. 2, a kind of high power UPS charging circuit, including from input terminal to the sequentially connected rectification input of output terminal
Breaker 1, the first isolating transformer 2, rectifier 3, inverter 4, the second isolating transformer 5, the first static switch 6 and output
Breaker 7 further includes battery charging and discharging circuit, and described battery charging and discharging circuit one end is connected with battery, and the other end is linked into institute
It states between rectifier 3 and the inverter 4, being equipped with battery successively from one end to the other end on the battery charging and discharging circuit inputs
Breaker and battery protection unit.Backup bypass breaker 8, the second static switch 9 and maintenance bypass breaker 10 are further included,
Described second static switch, 9 one end is accessed between first static switch 6 and the output breaker 7, the other end with it is described
Backup bypass breaker 8 accesses bypass input end after connecting；The maintenance bypass breaker 10 is connected across bypass input end and defeated
Between outlet.
The battery protection unit includes contactor KM1, contactor KM2 and diode D, the contactor KM1 and institute
It states contactor KM2 to be connected in parallel, the anode of the diode D is connected with battery input breaker, and cathode is contacted with described
Device KM1 connections.
Increase an a diode D and contactor KM1 on the basis of original design and on contactor KM2, wherein
Diode D is preferably blocking diode, it can be achieved that cell anti-reverse connection function, when battery reversal connection, contactor KM1 and contactor
KM2 is not attracted, and after busbar voltage and cell voltage are normal after machine is opened, contactor KM1 and contactor KM2 are attracted, be followed by
Tentaculum KM1 remains actuation, thus can be attracted by contactor KM2 and realize battery intelligent management with disconnecting；Work as charging
After voltage reaches rear setting value for a period of time, contactor KM2 is disconnected, prevents from for a long time charging to battery；When UPS inputs do not have for a long time
Have a power failure, be attracted and disconnect by contactor KM2, it is possible to battery intelligent management, if rectifier 3 exported high pressure, connect
Tentaculum KM2 disconnections prevent over-charging of battery；When alternating current power down and when contactor KM2 is disconnected again, battery passes through contactor KM1 and two poles
Pipe D powers to inverter 4, prevents UPS interruption of power supply；When alternating current power down contactor KM2 is again in relieving state, control contactor
KM2 is attracted, and solves diode D heating problems.
Embodiment two：
With reference to Fig. 3, the present embodiment and one structure of embodiment are essentially identical, the difference is that：
The battery protection unit includes contactor KM2 and diode D, the contactor KM2 and the diode D are in parallel
And the diode D anodes and the battery input breaker be connecteds, the cathode access rectifier 3 and the inverter 4 it
Between.
Embodiment two reduces contactor KM1 on the basis of embodiment one, and the intelligent management principle of battery is the same as implementation
Example one simply cannot directly close battery input breaker, it is necessary to treat that rectifier is working properly, contactor when battery is spaced apart
KM2 can just close battery input breaker after being attracted.
Embodiment three：
With reference to Fig. 4, the present embodiment and one structure of embodiment are essentially identical, the difference is that：
The battery protection unit includes contactor KM1, contactor KM2, resistance R, diode D1 and diode D2, institute
It is parallel with one another to state resistance R, the contactor KM1, the contactor KM2, the diode D1 anodes and battery input are disconnected
Road device connection, cathode are connected with the resistance R, and the anode of the diode D2 is connected with battery input breaker, cathode
It is connected with the contactor KM1.
Embodiment three increases buffer circuit, i.e. resistance R and diode D1, the intelligence of battery on the basis of embodiment one
It is identical with embodiment one to manage principle, still, adds that buffer circuit can not only prevent battery reversal connection but also can to increase battery cold
(battery cold start-up can also be first that UPS powers using battery i.e. in the case where busbar input terminal does not power on, i.e., first close for startup
Upper contactor KM1, contactor KM2 and battery input breaker).
The utility model realizes the intelligent management of battery so that battery system in UPS by the design of battery protection unit
The service life of system gets a promotion, and has cell anti-reverse connection function, and occurs overcharging electric process and be also less likely to occur to damage, together
When, UPS power failures will not be caused in the case of alternating current power down.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this practicality is new
Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of association area can be passed through in utility model contemplated scope described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection domain of the appended claims for the utility model.
Claims (5)
1. a kind of high power UPS charging circuit, including from input terminal to the sequentially connected rectification input breaker of output terminal, first
Isolating transformer, rectifier, inverter, the second isolating transformer, the first static switch and output breaker, feature exist
In：Battery charging and discharging circuit is further included, described battery charging and discharging circuit one end is connected with battery, and the other end is linked into the rectification
Between device and the inverter, on the battery charging and discharging circuit from one end to the other end successively be equipped with battery input breaker and
Battery protection unit.
2. a kind of high power UPS charging circuit as described in claim 1, it is characterised in that：The battery protection unit includes
Contactor KM1, contactor KM2 and diode D, the contactor KM1 and the contactor KM2 are connected in parallel, two pole
The anode of pipe D is connected with battery input breaker, and cathode is connected with the contactor KM1.
3. a kind of high power UPS charging circuit as described in claim 1, it is characterised in that：The battery protection unit includes
Contactor KM2 and diode D, the contactor KM2 and the diode D is in parallel and the diode D anodes and the battery
Breaker connection is inputted, cathode is accessed between the rectifier and the inverter.
4. a kind of high power UPS charging circuit as described in claim 1, it is characterised in that：The battery protection unit includes
Contactor KM1, contactor KM2, resistance R, diode D1 and diode D2, the resistance R, the contactor KM1, described connect
Tentaculum KM2 is parallel with one another, and the diode D1 anodes are connected with battery input breaker, and cathode is connected with the resistance R,
The anode of the diode D2 is connected with battery input breaker, and cathode is connected with the contactor KM1.
5. such as a kind of high power UPS charging circuit of claim 1-4 any one of them, it is characterised in that：Further include spare side
Circuit breaker, the second static switch and maintenance bypass breaker, the second static switch one end access described first are static
Between switch and the output breaker, the other end accesses bypass input end after connecting with the backup bypass breaker；It is described
Maintenance bypass breaker is connected across between bypass input end and output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267116.7U CN207398895U (en) | 2017-09-29 | 2017-09-29 | A kind of high power UPS charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267116.7U CN207398895U (en) | 2017-09-29 | 2017-09-29 | A kind of high power UPS charging circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207398895U true CN207398895U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267116.7U Active CN207398895U (en) | 2017-09-29 | 2017-09-29 | A kind of high power UPS charging circuit |
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| CN (1) | CN207398895U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968517A (en) * | 2021-02-26 | 2021-06-15 | 中航太克（厦门）电力技术股份有限公司 | Power supply method for connecting AC generator to uninterrupted power supply |
| CN113131605A (en) * | 2021-05-01 | 2021-07-16 | 大庆华凯石油化工设计工程有限公司 | Power distribution system for carrying out double-loop power supply with maintenance bypass on maintenance-free bypass single-power-supply UPS |
-
2017
- 2017-09-29 CN CN201721267116.7U patent/CN207398895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968517A (en) * | 2021-02-26 | 2021-06-15 | 中航太克（厦门）电力技术股份有限公司 | Power supply method for connecting AC generator to uninterrupted power supply |
| CN113131605A (en) * | 2021-05-01 | 2021-07-16 | 大庆华凯石油化工设计工程有限公司 | Power distribution system for carrying out double-loop power supply with maintenance bypass on maintenance-free bypass single-power-supply UPS |
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