CN208112281U - A kind of device for eliminating lithium battery UPS charging alarm - Google Patents
A kind of device for eliminating lithium battery UPS charging alarm Download PDFInfo
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- CN208112281U CN208112281U CN201820475714.1U CN201820475714U CN208112281U CN 208112281 U CN208112281 U CN 208112281U CN 201820475714 U CN201820475714 U CN 201820475714U CN 208112281 U CN208112281 U CN 208112281U
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- lithium battery
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Abstract
The utility model relates to a kind of devices of elimination lithium battery UPS charging alarm, including lithium battery group and UPS host, the lithium battery group is connected by battery management system BMS with the positive and negative anodes of UPS host, the positive wire charged in parallel of the lithium battery group switchs and discharge switch, and the charge switch and discharge switch distinguish series diode；High-power resistance is parallel between the lithium battery group and UPS host.This programme use between UPS and lithium battery system increase a high-power resistance, according to resistance calorific value and heat dissipation performance guarantee its work long hours temperature≤60 DEG C under the premise of, determine its resistance value and power in conjunction with the detection current demand values and voltage of UPS.When disconnecting charge circuit after lithium battery is fully charged, UPS continues to charge to battery pack, and electric current can be by resistance, thus the phenomenon that eliminating because UPS can't detect electric current, determining battery pack charging mistake and generate alarm.
Description
Technical field
The utility model relates to support equipment of power supply more particularly to a kind of devices for eliminating lithium battery UPS charging alarm.
Background technique
Ups power, i.e. uninterruptible power supply are that battery is connected with host, pass through the modular circuits such as host inverter
Direct current is converted into the system equipment of alternating current.Current ups power supplies field, is up to 90% using plumbic acid solution ratio
More than, however in recent years, the fast development of lithium battery technology, advantage also gradually highlights, compared with traditional lead acid batteries, lithium battery
The advantages such as, discharge-rate high, small in size with energy density is greatly, light weight, the service life is long, use temperature range is wide, lithium electricity UPS solution
Certainly scheme has become the new selection of client.
Since lead-acid battery internal resistance is big, self discharge is high and over-charging is good, UPS must frequently charge for battery pack, make
Obtaining UPS periodically can pressurize detecting current to battery pack to charge.And lithium battery internal resistance very little, over-charging are poor, when use, needs
Independent management control system, the system can disconnect charge circuit to prevent lithium battery from overcharging after lithium battery is fully charged.If
UPS charges to battery pack when lithium battery system disconnects charge circuit, and UPS can't detect electric current, determines battery pack charging mistake, leads
It causes UPS that cannot use battery power discharge, generates charging alarm.
Utility model content
In view of the above-mentioned state of the art, the technical problem to be solved by the utility model is to eliminate using plumbic acid
The false alarm encountered when UPS collocation lithium battery.
The utility model solves technical solution used by above-mentioned technical problem：A kind of elimination lithium battery UPS charging report
Alert device, including lithium battery group and UPS host, the lithium battery group are positive and negative by battery management system BMS and UPS host
Extremely it is connected, the positive wire charged in parallel switch and discharge switch of the lithium battery group, the charge switch and discharge switch divide
Other series diode；High-power resistance is parallel between the lithium battery group and UPS host.
Further, the battery management system BMS includes MCU and the current sensor being connected with the MCU, human-machine interface
Mouth HMI and battery management unit BMU, the battery management unit are connected with single battery positive and negative anodes respectively, the current sense
A-D converter is equipped between device and MCU, the positive contactor control charge switch of the master of the battery management system BMS and electric discharge are opened
The connection of pass, wherein：
The current sensor, for detecting lithium battery group electric current；
The battery management unit BMU, for detecting the voltage of single battery；
The man-machine interface HMI, for interacting the medium with information exchange between system and user.
Further, the battery management system BMS and UPS host is communicated by RS232, RS485, CAN bus,
Or battery management system BMS carries out signal output by dry contact, the wet contact of UPS host.
Compared with prior art, the utility model has the beneficial effects that：This programme is used to be increased between UPS and lithium battery system
Add a high-power resistance, the calorific value and heat dissipation performance according to resistance are in the premise for guaranteeing its temperature≤60 DEG C that work long hours
Under, its resistance value and power are determined in conjunction with the detection current demand values and voltage of UPS.It disconnects and charging back after lithium battery is fully charged
Lu Shi, UPS continue to charge to battery pack, and electric current, to eliminate because UPS can't detect electric current, can determine battery pack by resistance
Charging is wrong and generates the phenomenon that alarming.
Detailed description of the invention
Fig. 1 is the circuit connecting relation figure of the utility model；
Fig. 2 is the battery management system BMS connection block diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, for the preferred embodiment in the utility model embodiment,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, fall within the protection scope of the utility model.
For ease of description, hereinafter occur：The lithium battery group discharge switch is indicated with K1, the lithium battery group is filled
Electric switch K2 is indicated, high-power resistance R1 is indicated.
As shown in Figs. 1-2, a kind of device for eliminating lithium battery UPS charging alarm, including lithium battery group and UPS host, institute
It states lithium battery group to be connected by battery management system BMS with the positive and negative anodes of UPS host, the positive wire of the lithium battery group is in parallel
Charge switch and discharge switch, the charge switch and discharge switch distinguish series diode；In the lithium battery group and UPS master
High-power resistance is parallel between machine.
The battery management system BMS includes MCU and the current sensor being connected with the MCU, man-machine interface HMI and electricity
Pond administrative unit BMU, the battery management unit are connected with single battery positive and negative anodes respectively, the current sensor and MCU it
Between be equipped with A-D converter, the connection of the master of the battery management system BMS positive contactor control charge switch and discharge switch,
Wherein：
The current sensor, for detecting lithium battery group electric current；
The battery management unit BMU, for detecting the voltage of single battery；
The man-machine interface HMI, for interacting the medium with information exchange between system and user.
The battery management system BMS and UPS host is communicated by RS232, RS485, CAN bus or battery
Management system BMS carries out signal output by dry contact, the wet contact of UPS host.
Compared with prior art, the utility model has the beneficial effects that：This programme is used to be increased between UPS and lithium battery system
Add a high-power resistance, the calorific value and heat dissipation performance according to resistance are in the premise for guaranteeing its temperature≤60 DEG C that work long hours
Under, its resistance value and power are determined in conjunction with the detection current demand values and voltage of UPS.It disconnects and charging back after lithium battery is fully charged
Lu Shi, UPS continue to charge to battery pack, and electric current, to eliminate because UPS can't detect electric current, can determine battery pack by resistance
Charging is wrong and generates the phenomenon that alarming.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (3)
1. a kind of device for eliminating lithium battery UPS charging alarm, including lithium battery group and UPS host, the lithium battery group pass through
Battery management system BMS is connected with the positive and negative anodes of UPS host, which is characterized in that the positive wire parallel connection of the lithium battery group is filled
Electric switch and discharge switch, the charge switch and discharge switch distinguish series diode；In the lithium battery group and UPS host
Between be parallel with high-power resistance.
2. a kind of device for eliminating lithium battery UPS charging alarm according to claim 1, which is characterized in that the battery
Management system BMS includes MCU and the current sensor being connected with the MCU, man-machine interface HMI and battery management unit BMU, institute
It states battery management unit to be connected with single battery positive and negative anodes respectively, A-D converter is equipped between the current sensor and MCU,
The connection of the positive contactor control charge switch of the master of the battery management system BMS and discharge switch, wherein：
The current sensor, for detecting lithium battery group electric current；
The battery management unit BMU, for detecting the voltage of single battery；
The man-machine interface HMI, for interacting the medium with information exchange between system and user.
3. a kind of device for eliminating lithium battery UPS charging alarm according to claim 1, which is characterized in that the battery
Management system BMS and UPS host is communicated by RS232, RS485, CAN bus or battery management system BMS passes through
Dry contact, the wet contact of UPS host carry out signal output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475714.1U CN208112281U (en) | 2018-04-05 | 2018-04-05 | A kind of device for eliminating lithium battery UPS charging alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475714.1U CN208112281U (en) | 2018-04-05 | 2018-04-05 | A kind of device for eliminating lithium battery UPS charging alarm |
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| CN208112281U true CN208112281U (en) | 2018-11-16 |
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| CN201820475714.1U Active CN208112281U (en) | 2018-04-05 | 2018-04-05 | A kind of device for eliminating lithium battery UPS charging alarm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742825A (en) * | 2019-02-27 | 2019-05-10 | 广州宝狮新能源有限公司 | A kind of UPS and lithium battery group integral system |
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2018
- 2018-04-05 CN CN201820475714.1U patent/CN208112281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742825A (en) * | 2019-02-27 | 2019-05-10 | 广州宝狮新能源有限公司 | A kind of UPS and lithium battery group integral system |
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