CN109004702A - A kind of battery discharge voltage divider system - Google Patents
A kind of battery discharge voltage divider system Download PDFInfo
- Publication number
- CN109004702A CN109004702A CN201810777652.4A CN201810777652A CN109004702A CN 109004702 A CN109004702 A CN 109004702A CN 201810777652 A CN201810777652 A CN 201810777652A CN 109004702 A CN109004702 A CN 109004702A
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- transformer
- triode
- pole
- capacitor
- resistance
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of battery discharge voltage divider systems, including the transformer T1 for transformation, it is characterized in that, further include: the first output link, the second output link and third output link, it is connected with the secondary inductance coil of transformer T1, for exporting the different size of voltage in three tunnels respectively.Circuit is adjusted, is connect with the primary side of transformer T1, for adjusting the output voltage of the first output link, the second output link and third output link according to the size of power load.Driving circuit adjusts circuit work for driving with adjusting circuit connection.Detection circuit is connect with driving circuit, for detect battery whether over-discharge, and protect battery in battery over-discharge.The present invention exports the different voltage in three tunnels by the first output link, the second output link and third output link respectively, to meet the power demand of steel tower computer room distinct device.
Description
Technical field
The present invention relates to a kind of voltage divider system, in particular to a kind of battery discharge voltage divider systems.
Background technique
In the power system, battery modules are using very extensive.Battery modules are generallyd use in communication base station as base
The backup power source stood, when battery modules use, usually a battery modules are used for a kind of equipment, are unable to output multi-channel not
Same voltage, is unable to satisfy the power demand of steel tower computer room distinct device.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, a kind of battery discharge voltage divider system is provided.
The purpose of the invention is achieved by the following technical solution: a kind of battery discharge voltage divider system, including for transformation
Transformer T1, further includes:
First output link, the second output link and third output link, with the secondary inductance coil of transformer T1
It is connected, for exporting the different size of voltage in three tunnels respectively；
Circuit is adjusted, is connect with the primary side of transformer T1, for adjusting the first output chain according to the size of power load
The output voltage on road, the second output link and third output link；
Driving circuit adjusts circuit work for driving with adjusting circuit connection；
Detection circuit is connect with driving circuit, for detect battery whether over-discharge, and protect battery in battery over-discharge.
The detection circuit includes triode VT1, triode VT2, be serially connected in triode VT1 emitter and collector it
Between capacitor C1, the resistance R1 being serially connected between the emitter of triode VT1 and the collector of triode VT2 is serially connected in three poles
The resistance pole R2, P between the base stage of pipe VT1 and the collector of triode VT2 is connected with the emitter of triode VT2, the pole N connects
The diode D1 on ground, the potentiometer R4 that one end is connected with the collector of triode VT1, the other end is grounded, is serially connected in triode
Resistance R3 between the base stage of VT2 and the control terminal of potentiometer R4；The emitter of the triode VT1 and the pole N of diode D1
The input terminal of detection circuit is collectively formed, the collector of triode VT1 is then connect with driving circuit.
The driving circuit includes chip U1, and the pole P is of the same name with the primary side inductance coil L2 of transformer T1 after resistance R5
End be connected, the zener diode D2 that the pole N is connect with the EN pin of chip U1, be serially connected in the collector and chip of triode VT1
Inductance L1 between the VDD pin of U1, the capacitor C2 that one end is connect with the VDD pin of chip U1, the other end is grounded, is serially connected in core
The electricity that resistance R6 and one end between the VDD pin and LX pin of piece U1 are connect with the FB pin of chip U1, the other end is grounded
Hinder R7；The VDD pin of the chip U1 is connect with the Same Name of Ends of the primary side inductance coil L2 of transformer T1, LX pin and FB pipe
Foot connection, GND pin ground connection, EXT pin and adjusting circuit connection.
The adjusting circuit includes triode VT3, and the triode pole VT4, P is connected with the base stage of triode VT3, the pole N passes through
The zener diode D4 being grounded after resistance R10, the resistance R11 that one end is connected with the base stage of triode VT3, the other end is grounded,
One end connect with the Same Name of Ends of the primary side inductance coil L3 of transformer T1, the primary side inductance coil L2 of the other end and transformer T1
The Same Name of Ends of primary side inductance coil L2 of the resistance pole R9, N after capacitor C3 with transformer T1 of Same Name of Ends connection connect, the pole P and
The diode D3 that the collector of triode VT4 is connected, and the resistance R8 being in parallel with capacitor C3；The triode VT4's
Collector is connect with the non-same polarity of the primary side inductance coil L2 of transformer T1, and base stage is connect with the EXT pin of chip U1, hair
Emitter-base bandgap grading is connect with the base stage of triode VT3；The collector of the triode VT3 is connect with the base stage of triode VT4, emitter
Ground connection；The non-same polarity of primary side inductance coil L3 of the transformer T1 is connected with the pole N of zener diode D4.
First output link include the pole P connect with the non-same polarity of the secondary inductance coil L6 of transformer T1, the pole N with
The diode D5 of the output end of first output link is collectively formed in the Same Name of Ends of the secondary inductance coil L6 of transformer T1, concatenation
Capacitor C4 between the Same Name of Ends of the secondary inductance coil L6 of the pole N and transformer T1 of diode D5, simultaneously with capacitor C4 phase
The capacitor C5 and resistance R12 of connection.
Second output link include the pole P connect with the non-same polarity of the secondary inductance coil L5 of transformer T1, the pole N with
The diode D6 of the output end of second output link is collectively formed in the Same Name of Ends of the secondary inductance coil L5 of transformer T1, concatenation
Capacitor C6 between the Same Name of Ends of the secondary inductance coil L5 of the pole N and transformer T1 of diode D6, simultaneously with capacitor C6 phase
The capacitor C7 and resistance R13 of connection.
The third output link include the pole P connect with the non-same polarity of the secondary inductance coil L4 of transformer T1, the pole N with
The diode D7 of the output end of the third output link is collectively formed in the Same Name of Ends of the secondary inductance coil L4 of transformer T1, concatenation
Capacitor C8 between the Same Name of Ends of the secondary inductance coil L4 of the pole N and transformer T1 of diode D7, simultaneously with capacitor C8 phase
The capacitor C9 and resistance R14 of connection.
The present invention compared with the prior art, has the following advantages that and the utility model has the advantages that the present invention passes through the first output link, the
Two output links and third output link export the different voltage in three tunnels respectively, to meet the electricity consumption of steel tower computer room distinct device
Demand.
Detailed description of the invention
Fig. 1 is circuit structure diagram of the invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in Figure 1, battery discharge voltage divider system of the invention, including the transformer T1 for transformation, and transformer
The first output link, the second output link and the third output link that the secondary inductance coil of T1 is connected, with transformer T1
Primary side connection adjusting circuit, with the driving circuit for adjusting circuit connection, and the detection circuit being connect with driving circuit；Inspection
The input terminal of slowdown monitoring circuit and the discharge end of battery connect.
The detection circuit for detect battery whether over-discharge, and protect battery in battery over-discharge.Driving circuit is for driving
It is dynamic to adjust circuit work.Circuit is adjusted for adjusting the first output link, the second output link according to the size of power load
And the output voltage of third output link.First output link, the second output link and third output link are for distinguishing
Export the different size of voltage in three tunnels.
Specifically, the detection circuit includes triode VT1, triode VT2, capacitor C1, resistance R1, resistance R2, resistance R3,
Potentiometer R4, diode D1.When connection, capacitor C1 is serially connected between the emitter and collector of triode VT1, resistance R1 string
It connects between the emitter of triode VT1 and the collector of triode VT2, resistance R2 is serially connected in the base stage and three of triode VT1
Between the collector of pole pipe VT2, the pole P of diode D1 is connected with the emitter of triode VT2, its pole N is grounded, potentiometer R4
One end be connected with the collector of triode VT1, its other end ground connection, resistance R3 is serially connected in the base stage and electricity of triode VT2
Between the control terminal of position device R4.The input of detection circuit is collectively formed in the emitter of the triode VT1 and the pole N of diode D1
End, the input terminate the discharge end of battery.The collector of triode VT1 is then connect with driving circuit.
In above structure, potentiometer R4 can set the minimum electricity of battery, in the electricity abundance of battery, capacitor C1
It is charged by resistance R1, the collector current of triode VT2 conducting, triode VT2 passes through resistance R2 turn-on transistor VT1, electricity
The voltage in pond exports after triode VT1 to subsequent conditioning circuit.When the output voltage of battery drops below set by potentiometer R4
Voltage when, triode VT2 cut-off, triode VT1 do not receive the collector voltage of triode VT2, and triode VT1 is also cut
Only, entire voltage divider system disconnects, to prevent battery over-discharge.
The driving circuit includes chip U1, and the pole P is of the same name with the primary side inductance coil L2 of transformer T1 after resistance R5
End be connected, the zener diode D2 that the pole N is connect with the EN pin of chip U1, be serially connected in the collector and chip of triode VT1
Inductance L1 between the VDD pin of U1, the capacitor C2 that one end is connect with the VDD pin of chip U1, the other end is grounded, is serially connected in core
The electricity that resistance R6 and one end between the VDD pin and LX pin of piece U1 are connect with the FB pin of chip U1, the other end is grounded
Hinder R7.In addition, the VDD pin of chip U1 is connect with the Same Name of Ends of the primary side inductance coil L2 of transformer T1, LX pin and
The connection of FB pin, GND pin ground connection, EXT pin and adjusting circuit connection.
Inductance L1 and capacitor C2 collectively constitutes a filter, to improve the stability of voltage.Cell voltage is by electricity
Chip U1 is supplied to after sense L1, and chip U1 work once electrified comes with PWM controller inside chip U1, exports by EXT pin
Signal is controlled to circuit is adjusted, controls to adjust circuit conducting.Resistance R6 and resistance R7 is feedback resistance, can control chip
The output voltage of U1.
In addition, the adjusting circuit includes triode VT3, triode VT4, resistance R10, zener diode D4, resistance R11,
Diode D3, resistance R9, resistance R8 and capacitor C3.
Shape link is collectively formed in the triode VT3, triode VT4 and resistance R11；Specifically, the one of resistance R11
End is connected with the base stage of triode VT3, its other end is grounded；The collector of triode VT4 and the primary side inductance of transformer T1
The non-same polarity of coil L2 connects, and base stage is connect with the EXT pin of chip U1, and emitter is connect with the base stage of triode VT3；
The collector of the triode VT3 is connect with the base stage of triode VT4, emitter ground connection.
Buffer protection link is then collectively formed in diode D3, capacitor C3 and resistance R8；Specifically, the N of diode D3
The Same Name of Ends of primary side inductance coil L2 of the pole after capacitor C3 with transformer T1 connect, the collector phase of its pole P and triode VT4
Connection, resistance R8 are in parallel with capacitor C3.
Pressure stabilizing link is collectively formed in zener diode D4 and resistance R10；Specifically, the pole P and three of zener diode D4
The base stage of pole pipe VT3 is connected, its pole N is grounded after resistance R10.
One end of resistance R9 connect with the Same Name of Ends of the primary side inductance coil L3 of transformer T1, its other end and transformer
The Same Name of Ends of the primary side inductance coil L2 of T1 connects, the non-same polarity of the primary side inductance coil L3 of the transformer T1 and pressure stabilizing two
The pole N of pole pipe D4 is connected.
The control signal conduction triode VT4 of the EXT pin output of chip U1, to make to adjust circuit conducting, voltage adds
It is downloaded to the primary side of transformer T1, triode VT3 and is not turned at this time.During the work time, when apparatus of load mitigates, pressure stabilizing two
The voltage of the tie point of pole pipe D4 and resistance R10 rises, and zener diode D4 is breakdown, the emitter and base stage of triode VT3
It is connected rapidly because of positively biased, triode VT4 ends at this time, to make the voltage decline for being transported to transformer T1 primary side, to meet
The demand of apparatus of load.
When apparatus of load is overweight, the electric current between the collector and emitter of triode VT4 increases, on resistance R11
Pressure drop also increases with it, and the collector and emitter of triode VT3 is shorted, triode VT3 saturation conduction, the base of triode VT4
Pole power loss and end, to achieve the purpose that overcurrent protection.
When will appear back-pressure in triode VT4 when off circuit, due to capacitor C3's and diode D3 and resistance R8
Buffer function can effectively prevent triode VT4 and bear big back-pressure in turn off process and cause to damage.
Voltage input to transformer T1 primary side, by defeated to first from its secondary side difference output voltage after transformer T1 transformation
Outgoing link, the second output link and third output link export chain by the first output link, the second output link and third
Road is exported respectively to corresponding equipment.
As shown in Figure 1, first output link includes the pole P and the non-same polarity company of the secondary inductance coil L6 of transformer T1
Connect, the Same Name of Ends of the secondary inductance coil L6 of the pole N and transformer T1 be collectively formed first output link output end two poles
Pipe D5, the capacitor C4 being serially connected between the pole N of diode D5 and the Same Name of Ends of the secondary inductance coil L6 of transformer T1, with electricity
Hold capacitor C5 and resistance R12 that C4 is in parallel.The voltage of the secondary inductance coil L6 output of transformer T1 leads to after diode D5
It crosses output end to export to equipment, in the process, voltage is filtered by capacitor C4 and capacitor C5, keeps voltage more stable.
Likewise, second output link include the pole P connect with the non-same polarity of the secondary inductance coil L5 of transformer T1,
The diode of the output end of second output link is collectively formed in the Same Name of Ends of the secondary inductance coil L5 of the pole N and transformer T1
D6, the capacitor C6 being serially connected between the pole N of diode D6 and the Same Name of Ends of the secondary inductance coil L5 of transformer T1, and capacitor
The capacitor C7 and resistance R13 that C6 is in parallel.The voltage of the secondary inductance coil L5 output of transformer T1 passes through after diode D6
Output end is exported to equipment, and in the process, voltage is filtered by capacitor C6 and capacitor C7, keeps voltage more stable.
The third output link include the pole P connect with the non-same polarity of the secondary inductance coil L4 of transformer T1, the pole N and become
The diode D7 of the output end of the third output link is collectively formed in the Same Name of Ends of the secondary inductance coil L4 of depressor T1, is serially connected in
Capacitor C8 between the Same Name of Ends of the secondary inductance coil L4 of the pole N and transformer T1 of diode D7, is in parallel with capacitor C8
Capacitor C9 and resistance R14.The voltage of the secondary inductance coil L4 output of transformer T1 is defeated by output end after diode D7
Out to equipment, in the process, voltage is filtered by capacitor C8 and capacitor C9, keeps voltage more stable.
As described above, the present invention can be realized well.
Claims (7)
1. a kind of battery discharge voltage divider system, including the transformer T1 for transformation, which is characterized in that further include:
First output link, the second output link and third output link are connected with the secondary inductance coil of transformer T1
It connects, for exporting the different size of voltage in three tunnels respectively；
Circuit is adjusted, is connect with the primary side of transformer T1, for adjusting the first output link, the according to the size of power load
The output voltage of two output links and third output link；
Driving circuit adjusts circuit work for driving with adjusting circuit connection；
Detection circuit is connect with driving circuit, for detect battery whether over-discharge, and protect battery in battery over-discharge.
2. a kind of battery discharge voltage divider system according to claim 1, which is characterized in that the detection circuit includes three poles
Pipe VT1, triode VT2, the capacitor C1 being serially connected between the emitter and collector of triode VT1, are serially connected in triode VT1's
Resistance R1 between emitter and the collector of triode VT2 is serially connected in the base stage of triode VT1 and the current collection of triode VT2
The diode D1 that the resistance pole R2, P between pole is connected with the emitter of triode VT2, the pole N is grounded, one end and triode VT1
Collector be connected, the other end ground connection potentiometer R4, be serially connected in triode VT2 base stage and potentiometer R4 control terminal it
Between resistance R3；The input terminal of detection circuit, three poles are collectively formed in the emitter of the triode VT1 and the pole N of diode D1
The collector of pipe VT1 is then connect with driving circuit.
3. a kind of battery discharge voltage divider system according to claim 2, which is characterized in that the driving circuit includes chip
The Same Name of Ends of primary side inductance coil L2 of the pole U1, P after resistance R5 with transformer T1 is connected, the EN pin of the pole N and chip U1
The zener diode D2 of connection, the inductance L1 being serially connected between the collector of triode VT1 and the VDD pin of chip U1, one end
It connect, the capacitor C2 of other end ground connection, is serially connected between the VDD pin of chip U1 and LX pin with the VDD pin of chip U1
The resistance R7 that resistance R6 and one end are connect with the FB pin of chip U1, the other end is grounded；The VDD pin of the chip U1 with
The Same Name of Ends of the primary side inductance coil L2 of transformer T1 connects, and LX pin is connected with FB pin, GND pin ground connection, EXT pin
With adjusting circuit connection.
4. a kind of battery discharge voltage divider system according to claim 3, which is characterized in that the adjusting circuit includes three poles
Pipe VT3, the zener diode D4 that the triode pole VT4, P is connected with the base stage of triode VT3, the pole N is grounded after resistance R10,
The resistance R11 that one end is connected with the base stage of triode VT3, the other end is grounded, the primary side inductance coil of one end and transformer T1
The pole resistance R9, N of Same Name of Ends connection, the Same Name of Ends connection of the primary side inductance coil L2 of the other end and transformer T1 of L3 is through capacitor
The Same Name of Ends of primary side inductance coil L2 after C3 with transformer T1 connect, two poles that the pole P is connected with the collector of triode VT4
Pipe D3, and the resistance R8 being in parallel with capacitor C3；The collector of the triode VT4 and the primary side inductance coil of transformer T1
The non-same polarity of L2 connects, and base stage is connect with the EXT pin of chip U1, and emitter is connect with the base stage of triode VT3；It is described
The collector of triode VT3 is connect with the base stage of triode VT4, emitter ground connection；The primary side inductor wire of the transformer T1
The non-same polarity of circle L3 is connected with the pole N of zener diode D4.
5. a kind of battery discharge voltage divider system according to any one of claims 1 to 4, which is characterized in that described first is defeated
Outgoing link include the pole P connect with the non-same polarity of the secondary inductance coil L6 of transformer T1, the secondary inductance of the pole N and transformer T1
The diode D5 of the output end of first output link is collectively formed in the Same Name of Ends of coil L6, be serially connected in diode D5 the pole N and
Capacitor C4 between the Same Name of Ends of the secondary inductance coil L6 of transformer T1, the capacitor C5 and resistance being in parallel with capacitor C4
R12。
6. a kind of battery discharge voltage divider system according to any one of claims 1 to 4, which is characterized in that described second is defeated
Outgoing link include the pole P connect with the non-same polarity of the secondary inductance coil L5 of transformer T1, the secondary inductance of the pole N and transformer T1
The diode D6 of the output end of second output link is collectively formed in the Same Name of Ends of coil L5, be serially connected in diode D6 the pole N and
Capacitor C6 between the Same Name of Ends of the secondary inductance coil L5 of transformer T1, the capacitor C7 and resistance being in parallel with capacitor C6
R13。
7. a kind of battery discharge voltage divider system according to any one of claims 1 to 4, which is characterized in that the third is defeated
Outgoing link include the pole P connect with the non-same polarity of the secondary inductance coil L4 of transformer T1, the secondary inductance of the pole N and transformer T1
The diode D7 of the output end of the third output link is collectively formed in the Same Name of Ends of coil L4, be serially connected in diode D7 the pole N and
Capacitor C8 between the Same Name of Ends of the secondary inductance coil L4 of transformer T1, the capacitor C9 and resistance being in parallel with capacitor C8
R14。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777652.4A CN109004702B (en) | 2018-07-16 | 2018-07-16 | Battery partial pressure system that discharges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777652.4A CN109004702B (en) | 2018-07-16 | 2018-07-16 | Battery partial pressure system that discharges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109004702A true CN109004702A (en) | 2018-12-14 |
| CN109004702B CN109004702B (en) | 2021-10-26 |
Family
ID=64600277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810777652.4A Active CN109004702B (en) | 2018-07-16 | 2018-07-16 | Battery partial pressure system that discharges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109004702B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040145923A1 (en) * | 2001-06-01 | 2004-07-29 | Van Bodegraven Tijmen Cornelis | Circuit configuration comprising a control loop |
| CN101777844A (en) * | 2009-01-13 | 2010-07-14 | 全汉企业股份有限公司 | Resonant converter provided with phase shift output route |
| CN104253536A (en) * | 2013-06-28 | 2014-12-31 | 殷天明 | Driving power source system for electric vehicle |
-
2018
- 2018-07-16 CN CN201810777652.4A patent/CN109004702B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040145923A1 (en) * | 2001-06-01 | 2004-07-29 | Van Bodegraven Tijmen Cornelis | Circuit configuration comprising a control loop |
| CN101777844A (en) * | 2009-01-13 | 2010-07-14 | 全汉企业股份有限公司 | Resonant converter provided with phase shift output route |
| CN104253536A (en) * | 2013-06-28 | 2014-12-31 | 殷天明 | Driving power source system for electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN109004702B (en) | 2021-10-26 |
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Effective date of registration: 20230630 Address after: 629200 Building No. 88 Hedong Avenue, Shehong County Economic Development Zone, Suining City, Sichuan Province Patentee after: SICHUAN PULI TECHNOLOGY CO.,LTD. Address before: Room 1403, floor 14, unit 2, building 7, No. 399, west section of Fucheng Avenue, Chengdu hi tech Zone, Chengdu, Sichuan 610000 Patentee before: CHENGDU AMPERELIFT ENERGY TECHNOLOGY CO.,LTD. |