CN105510844B - Constant pressure load circuit and the simulated battery for using the constant pressure load circuit - Google Patents
Constant pressure load circuit and the simulated battery for using the constant pressure load circuit Download PDFInfo
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- CN105510844B CN105510844B CN201610013267.3A CN201610013267A CN105510844B CN 105510844 B CN105510844 B CN 105510844B CN 201610013267 A CN201610013267 A CN 201610013267A CN 105510844 B CN105510844 B CN 105510844B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
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- General Physics & Mathematics (AREA)
- Control Of Voltage And Current In General (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention belongs to simulated battery technical fields, disclose a kind of constant pressure load circuit and the simulated battery using the constant pressure load circuit.The constant pressure load circuit, further include first resistor, second resistance, 3rd resistor, the 4th resistance, potentiometer, the 6th resistance, the 7th resistance, controllable accurate source of stable pressure, the first triode, third transistor, the 4th triode and output capacitance including positive output end and negative output terminal.The simulated battery is made of DC power supply and the constant pressure load circuit.The constant pressure load circuit can generate stable voltage output；There is battery to export and load characteristic simultaneously using the simulated battery of the constant pressure load circuit, by changing potentiometer resistance, can get different voltages, can be used for battery charging and active equalization etc. needs battery output and load characteristic occasion simultaneously, it is at low cost, it is small.
Description
Technical field
The invention belongs to simulated battery technical fields, and in particular to a kind of constant pressure load circuit and load electricity using the constant pressure
The simulated battery on road.
Background technology
When existing battery management system (BMS) is debugged in the early stage with production test, generally simulated with DC power supply group
Battery output characteristics, but DC power supply can only export, and sucking electric current is loaded without making；Needing testing battery charging, active
When weighing apparatus etc. needs simulated battery load characteristic, load meter need to be separately connect, and general load meter volume is larger, if multi-string battery group often saves
Battery all connects power supply and load meter, can lead to that equipment volume is huge and cost is very high.
Invention content
In order to overcome the disadvantages and deficiencies of the prior art, the primary purpose of the present invention is that providing a kind of constant pressure load electricity
Road, the constant pressure load circuit provide constant pressure output, can be used as load；
Another object of the present invention is to provide a kind of simulated battery using the constant pressure load circuit, the simulation electricity
Pond has battery output and load characteristic simultaneously.
The purpose of the invention is achieved by the following technical solution：
A kind of constant pressure load circuit, including positive output end and negative output terminal further include first resistor, second resistance, third
Resistance, the 4th resistance, potentiometer, the 6th resistance, the 7th resistance, controllable accurate source of stable pressure, the first triode, third transistor,
4th triode and output capacitance；
One foot of first resistor and the positive foot of output capacitance connect, another foot and the controllable accurate source of stable pressure of first resistor
Cathode be connected；The anode of controllable accurate source of stable pressure is connected with the cathode foot of output capacitance；One foot of second resistance and output capacitance
The connection of positive foot, another foot of second resistance is connected with one foot of potentiometer, another foot and controllable accurate source of stable pressure of potentiometer
Anode be connected；The common end that second resistance and potentiometer are connected extremely is connected with the reference of controllable accurate source of stable pressure；4th resistance
A foot be extremely connected with the reference of controllable accurate source of stable pressure, another foot of the 4th resistance is connected with a foot of the 6th resistance, the 6th
Another foot of resistance is connected with the cathode foot of output capacitance；One foot of 3rd resistor is connected with the positive foot of output capacitance, third
Another foot of resistance is connected with the collector of third transistor；The common end and the three or three pole that 4th resistance and the 6th resistance are connected
The base stage of pipe is connected, and the emitter of third transistor is connected with the cathode foot of output capacitance；The collector of first triode with it is defeated
The positive foot for going out capacitance is connected, and the base stage of the first triode is connected with the collector of third transistor, the transmitting of the first triode
Pole is connected with the base stage of the 4th triode, and the collector of the 4th triode is connected with the collector of third transistor, the four or three pole
The emitter of pipe is connected with the emitter of third transistor；One foot of the 7th resistance is connected with the base stage of the 4th triode, and the 7th
Another foot of resistance is connected with the emitter of the 4th triode；The positive foot of output capacitance is connected with positive output end, output capacitance
Cathode foot be connected with negative output terminal；Also, the common end and power ground that the 7th resistance is connected with the emitter of the 4th triode
Connection.
As the further scheme of said program, the constant pressure load circuit further includes the second triode；First triode
Emitter be connected with the base stage of the second triode, the emitter of the second triode is connected with the base stage of the 4th triode, second
The collector of triode is connected with the collector of the first triode.First triode and the second triode are used cooperatively, and use
One triode drives the second triode, can form darlington structure, reduces driving current.
As the further scheme of said program, the constant pressure load circuit further includes the first capacitance, one foot of the first capacitance
It is connected with the cathode of controllable accurate source of stable pressure, another foot of the first capacitance is extremely connected with the reference of controllable accurate source of stable pressure.First electricity
Appearance can play the role of anti-oscillating in constant pressure load circuit, keep the output of controllable accurate source of stable pressure more steady.
Preferably, the controllable accurate source of stable pressure is TL431.
A kind of simulated battery, including DC power supply and the constant pressure load circuit；Anode and the constant pressure of DC power supply
The positive foot of the output capacitance of load circuit connects, and the cathode of DC power supply is negative with the output capacitance of the constant pressure load circuit
Pole foot connection.
In the application, multiple above-mentioned simulated batteries can be carried out to series connection and form simulated battery group, specific connection type is：It will
The cathode foot of the output capacitance of first simulated battery is connected with the positive foot of the output capacitance of next simulated battery；It is next
The cathode foot of the output capacitance of simulated battery is connected with the positive foot of the output capacitance of next one simulated battery；It repeats according to top
The series connection of multiple simulated batteries is formed simulated battery group by formula.
The present invention has the following advantages and effects with respect to the prior art：The constant pressure load circuit can generate stable
Voltage output；There are battery output and load characteristic simultaneously using the simulated battery of the constant pressure load circuit, passes through and change current potential
Device resistance value can get different voltages, can be used for battery charging and active equalization etc. while needing battery output and load characteristic field
It closes, it is at low cost, it is small.
Description of the drawings
Fig. 1 is the structural schematic diagram of constant pressure load circuit described in embodiment 1.
Fig. 2 is the structural schematic diagram of simulated battery described in embodiment 2.
Fig. 3 is the structural schematic diagram of simulated battery group described in embodiment 2
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, a kind of constant pressure load circuit, including positive output end P+ and negative output terminal P-, further include first resistor
R1, second resistance R2,3rd resistor R3, the 4th resistance R4, potentiometer R5, the 6th resistance R6, the 7th resistance, controllable accurate voltage stabilizing
Source U1, the first triode Q1, the second triode Q2, third transistor Q3, the 4th triode Q4, the first capacitance C1 and output electricity
Hold C2；
A foot of first resistor R1 is connect with the positive foot of output capacitance C2, another foot and controllable accurate of first resistor R1
The cathode of source of stable pressure U1 is connected；The anode of controllable accurate source of stable pressure U1 is connected with the cathode foot of output capacitance C2；Second resistance R2
One foot is connect with the positive foot of output capacitance C2, and another foot of second resistance R2 is connected with mono- feet of potentiometer R5, potentiometer R5's
Another foot is connected with the anode of controllable accurate source of stable pressure U1；Common end and controllable accurate connected second resistance R2 and potentiometer R5
The reference of source of stable pressure U1 is extremely connected；A foot of 4th resistance R4 is extremely connected with the reference of controllable accurate source of stable pressure U1, the 4th resistance
Another foot of R4 is connected with a foot of the 6th resistance R6, and another foot of the 6th resistance R6 is connected with the cathode foot of output capacitance C2；
A foot of 3rd resistor R3 is connected with the positive foot of output capacitance C2, the collection of another foot and third transistor Q3 of 3rd resistor R3
Electrode is connected；Common end connected 4th resistance R4 and the 6th resistance R6 is connected with the base stage of third transistor Q3, the three or three pole
The emitter of pipe Q3 is connected with the cathode foot of output capacitance C2；The collector of first triode Q1 and the positive foot of output capacitance C2
It is connected, the base stage of the first triode Q1 is connected with the collector of third transistor Q3, the emitter of the first triode and the two or three
The base stage of pole pipe is connected, and the emitter of the second triode is connected with the base stage of the 4th triode, the collector of the second triode and
The collector of first triode is connected；The collector of 4th triode Q4 is connected with the collector of third transistor Q3, and the four or three
The emitter of pole pipe Q4 is connected with the emitter of third transistor Q3；The base stage of a foot and the 4th triode Q4 of 7th resistance R7
It is connected, another foot of the 7th resistance R7 is connected with the emitter of the 4th triode Q4；First capacitance C1, mono- feet and controllable accurate are steady
The cathode of potential source U1 is connected, and first another feet of capacitance C1 are extremely connected with the reference of controllable accurate source of stable pressure U1；Output capacitance C2's
Positive foot is connected with positive output end P+, and the cathode foot of output capacitance C2 is connected with negative output terminal P-；Also, the 7th resistance R7 and
The connected common end of the emitter of four triode Q4 is connect with power ground.
First triode Q1 and the second triode Q2 are used cooperatively, and the second triode Q2 is driven using the first triode Q1,
Darlington structure can be formed, driving current is reduced.In practical applications, Darlington transistor can be selected or other plays identical effect
Power tube, be all without departing from the spirit and principles of the present invention made by change.
First capacitance C1 can play the role of anti-oscillating in constant pressure load circuit, make the output of controllable accurate source of stable pressure U1 more
It is steady.
In the present embodiment, the controllable accurate source of stable pressure U1 is TL431.In practical applications, other can be selected and plays phase
With the benchmark device of effect, be all without departing from the spirit and principles of the present invention made by change.
Embodiment 2
As shown in Fig. 2, a kind of simulated battery, including DC power supply E and constant pressure load circuit described in embodiment 1, direct current
The anode of power supply E is connect with the positive foot of the output capacitance of constant pressure load circuit, and the cathode of DC power supply E is loaded with the constant pressure
The cathode foot of the output capacitance of circuit connects.
As shown in figure 3, in the application, multiple above-mentioned simulated batteries can be carried out to series connection and form simulated battery group, specifically connected
The mode of connecing is：By the positive foot of the cathode foot of the output capacitance of first simulated battery and the output capacitance of next simulated battery
It is connected；The positive foot phase of the cathode foot of the output capacitance of next simulated battery and the output capacitance of next one simulated battery
Even；It repeats according to upper type, the series connection of multiple simulated batteries is formed into simulated battery group.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (5)
1. a kind of constant pressure load circuit, it is characterised in that：Including positive output end and negative output terminal, further include resistance R1, resistance R2,
Resistance R3, resistance R4, potentiometer R5, resistance R6, resistance R7, controllable accurate source of stable pressure, the first triode Q1, the second triode
Q2, third transistor Q3, the 4th triode Q4, the first capacitance C1 and output capacitance C2；
A foot of resistance R1 is connect with the positive foot of output capacitance C2, the cathode of another foot and controllable accurate source of stable pressure of resistance R1
It is connected；The anode of controllable accurate source of stable pressure is connected with the cathode foot of output capacitance C2；Mono- feet of resistance R2 and output capacitance C2 are just
Pole foot connection, another foot of resistance R2 are connected with mono- feet of potentiometer R5, another foot and the controllable accurate source of stable pressure of potentiometer R5
Anode is connected；Common end connected resistance R2 and potentiometer R5 is extremely connected with the reference of controllable accurate source of stable pressure；The one of resistance R4
Foot is connected with the cathode of controllable accurate source of stable pressure, and another foot of resistance R4 is connected with a foot of resistance R6, another foot of resistance R6
It is connected with the cathode foot of output capacitance C2；A foot of resistance R3 is connected with the positive foot of output capacitance C2, another foot of resistance R3
It is connected with the collector of third transistor Q3；The base stage phase of common end and third transistor Q3 connected resistance R4 and resistance R6
Even, the emitter of third transistor Q3 is connected with the cathode foot of output capacitance C2；The collector of first triode Q1 and output electricity
The positive foot for holding C2 is connected, and the base stage of the first triode Q1 is connected with the collector of third transistor Q3, the 4th triode Q4's
Collector is connected with the collector of third transistor Q3, the emitter of the 4th triode Q4 and the emitter phase of third transistor Q3
Even；A foot of resistance R7 is connected with the base stage of the 4th triode Q4, the emitter of another foot and the 4th triode Q4 of resistance R7
It is connected；The positive foot of output capacitance C2 is connected with positive output end, and the cathode foot of output capacitance C2 is connected with negative output terminal；Also,
Resistance R7 is connect with the common end that the emitter of the 4th triode Q3 is connected with power ground；
The emitter of first triode Q1 is connected with the base stage of the second triode Q2, the emitter and the four or three of the second triode Q2
The base stage of pole pipe Q4 is connected, and the collector of the second triode Q2 is connected with the collector of the first triode Q1；
First capacitance C1, mono- feet are connected with the cathode of controllable accurate source of stable pressure, first another feet of capacitance C1 and controllable accurate source of stable pressure
Reference extremely be connected.
2. constant pressure load circuit according to claim 1, it is characterised in that：The controllable accurate source of stable pressure is TL431.
3. a kind of simulated battery, it is characterised in that：Including DC power supply and claim 1-2 any one of them constant pressures load electricity
Road；The anode of DC power supply is connect with the positive foot of the output capacitance of the constant pressure load circuit, the cathode of DC power supply and institute
State the cathode foot connection of the output capacitance of constant pressure load circuit.
4. a kind of simulated battery group, it is characterised in that：The simulated battery group is by multiple simulation electricity as claimed in claim 3
Pond carries out series connection formation.
5. simulated battery group according to claim 4, which is characterized in that the company of each simulated battery in the simulated battery group
The mode of connecing is：By the positive foot of the cathode foot of the output capacitance of first simulated battery and the output capacitance of next simulated battery
It is connected；The positive foot phase of the cathode foot of the output capacitance of next simulated battery and the output capacitance of next one simulated battery
Even；It repeats with upper type, the series connection of multiple simulated batteries is formed into simulated battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013267.3A CN105510844B (en) | 2016-01-05 | 2016-01-05 | Constant pressure load circuit and the simulated battery for using the constant pressure load circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013267.3A CN105510844B (en) | 2016-01-05 | 2016-01-05 | Constant pressure load circuit and the simulated battery for using the constant pressure load circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105510844A CN105510844A (en) | 2016-04-20 |
| CN105510844B true CN105510844B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013267.3A Active CN105510844B (en) | 2016-01-05 | 2016-01-05 | Constant pressure load circuit and the simulated battery for using the constant pressure load circuit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154896B (en) * | 2023-10-26 | 2024-01-23 | 北京国电光宇新技术开发有限公司 | Storage battery mixed connection type integrated power supply system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000277174A (en) * | 1999-03-24 | 2000-10-06 | Shin Kobe Electric Mach Co Ltd | Cell voltage detection circuit and battery voltage detection device |
| CN201788202U (en) * | 2010-07-30 | 2011-04-06 | 比亚迪股份有限公司 | Electronic load circuit |
| CN202995008U (en) * | 2013-01-14 | 2013-06-12 | 乔登斌 | Constant voltage electronic load |
| CN205594140U (en) * | 2016-01-05 | 2016-09-21 | 惠州市蓝微新源技术有限公司 | Constant voltage load circuit and use this constant voltage load circuit's simulated battery and simulated battery group |
-
2016
- 2016-01-05 CN CN201610013267.3A patent/CN105510844B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000277174A (en) * | 1999-03-24 | 2000-10-06 | Shin Kobe Electric Mach Co Ltd | Cell voltage detection circuit and battery voltage detection device |
| CN201788202U (en) * | 2010-07-30 | 2011-04-06 | 比亚迪股份有限公司 | Electronic load circuit |
| CN202995008U (en) * | 2013-01-14 | 2013-06-12 | 乔登斌 | Constant voltage electronic load |
| CN205594140U (en) * | 2016-01-05 | 2016-09-21 | 惠州市蓝微新源技术有限公司 | Constant voltage load circuit and use this constant voltage load circuit's simulated battery and simulated battery group |
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| Publication number | Publication date |
|---|---|
| CN105510844A (en) | 2016-04-20 |
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