CN107966663A - Accumulator of electric car voltage loses lifting device - Google Patents
Accumulator of electric car voltage loses lifting device Download PDFInfo
- Publication number
- CN107966663A CN107966663A CN201610907315.3A CN201610907315A CN107966663A CN 107966663 A CN107966663 A CN 107966663A CN 201610907315 A CN201610907315 A CN 201610907315A CN 107966663 A CN107966663 A CN 107966663A
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- controller circuitry
- output terminal
- accumulator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides accumulator of electric car voltage loss lifting device, it is related to cell managing device field, including booster circuit, regulator circuit, double-throw electric switch, drive circuit, voltage and current sample circuit, analog to digital conversion circuit, controller circuitry, display circuit and storage circuit.The output terminal of input one batteries of termination of double-throw electric switch；One output terminal of double-throw electric switch is voltage output end, and the input terminal of the other end and booster circuit connects；The output terminal of the booster circuit and the input terminal of regulator circuit connect；The output termination voltage output end of regulator circuit；The output terminal of sampling one batteries of termination of voltage and current sample circuit；The output terminal of voltage and current sample circuit is connected with analog to digital conversion circuit；The output terminal of analog to digital conversion circuit is connected with controller circuitry；Controller circuitry is connected with control terminal through drive circuit with double-throw electric switch；The input terminal of display circuit is connected with controller circuitry；The storing up electricity road is connected with controller circuitry.
Description
Technical field
The present invention relates to cell managing device field, loses lifting device more particularly to accumulator of electric car voltage.
Background technology
Because the appearance of energy crisis, energy-saving and environment-friendly trip mode is advocated energetically by country and government, for example is taken public
Automobile etc. altogether, and traditional bus gradually instead of as the electric automobile of power using electric energy.But bus
Be aluminum cell mainly for energy unit, required in terms of the daily maintenance and management of aluminum cell higher.
Electric automobile is generally powered by battery pack to provide power, and battery pack is made of several batteries.Often
The voltage or electric current of a battery will directly influence the electric energy supply of electric automobile, due to the connection mode of battery, cause
When under-voltage state occurs in one of battery, under-voltage condition also just occurs in the power supply of electric automobile, this can be to electronic vapour
Car power supply brings influence.The particularly longer battery pack of some usage times, often occur in which in the process of running one or
It is multiple to have under-voltage condition, so as to have impact on the normally travel of electric automobile.
The content of the invention
Existing deficiency regarding to the issue above, the present invention provide a kind of novel electric vehicle battery tension loss lifting dress
Put.
The present invention solves the above problems by the following technical programs：
Accumulator of electric car voltage loses lifting device, including booster circuit, regulator circuit, double-throw electric switch, driving
Circuit, voltage and current sample circuit, analog to digital conversion circuit, controller circuitry, display circuit and storage circuit；
The output terminal of input one batteries of termination of the double-throw electric switch；One output terminal of the double-throw electric switch is electricity
Press output terminal, the input terminal connection of the other end and booster circuit；The output terminal of the booster circuit and the input terminal of regulator circuit
Connection；The output termination voltage output end of the regulator circuit；The sampling of the voltage and current sample circuit terminates a batteries
Output terminal；The output terminal of the voltage and current sample circuit is connected with analog to digital conversion circuit；Analog-digital conversion circuit as described it is defeated
Outlet is connected with controller circuitry；The controller circuitry is connected with control terminal through drive circuit with double-throw electric switch；It is described
The input terminal of display circuit is connected with controller circuitry；The storing up electricity road is connected with controller circuitry.
The present invention still further comprises warning circuit；The input terminal of the warning circuit is connected with controller circuitry.
In such scheme, the preferably junction of analog to digital conversion circuit and controller circuitry is connected to optical coupling isolator.
In such scheme, preferably voltage and current sample circuit mainly includes voltage sensor and current sensor；Institute
The output terminal for stating voltage sensor and current sensor is connected with analog to digital conversion circuit.
In such scheme, preferably booster circuit is small-sized transformer circuit, and the transformer circuit is further connected with scattered
Backing.
In such scheme, preferably controller circuitry mainly includes microprocessor, and the microprocessor uses STM32 systems
The singlechip chip of row.
Advantages of the present invention is with effect：
1. the present invention gathers the output voltage and electric current of each batteries and is transmitted to controller circuitry in real time, controller electricity
When road is less than the voltage or electric current that device is set according to the voltage or electric current of collection, it is determined as under-voltage or undercurrent, controller circuitry
The input terminal of booster circuit is opened to by drive circuit control double-throw electric switch so that output voltage is carried out by booster circuit
Boosting, meets the standard of electric powered motor voltage, influences whole electricity when preventing a wherein batteries for battery pack from occurring under-voltage
The power supply of pond group；
2. the present invention is connected to optical coupling isolator in the junction of analog to digital conversion circuit and controller circuitry, so as to effectively protect
Controller circuitry has been protected, has prevented influence of the high current to low current circuit, has improved the service life of device；
3. the present invention has simple in structure, accuracy of detection height, easy for installation, as long as on the battery the battery pack of the device
It can use.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention.
Embodiment
The invention will be further described with reference to embodiments.
Accumulator of electric car voltage loses lifting device, as shown in Figure 1, including booster circuit, regulator circuit, double-throw electricity
Switch, drive circuit, voltage and current sample circuit, analog to digital conversion circuit, controller circuitry, display circuit, warning circuit and deposit
Storing up electricity road.Wherein, since each battery pack is by several battery compositions, often generally it is attached between batteries with parallel connection, when it
In a batteries will influence whether the voltage output of whole battery pack when occurring under-voltage, in order to make the output voltage of battery pack more
Stablize, the present apparatus is connected in every batteries, and controller circuitry, display circuit, warning circuit and storage circuit can directly collect
As the Comprehensive Control part of a Battery pack group.
The output terminal of input one batteries of termination of the double-throw electric switch；One output terminal of the double-throw electric switch is electricity
Press output terminal, the input terminal connection of the other end and booster circuit.Double-throw electric switch includes micro-machine and traditional commutator,
The shaft of micro-machine directly controls commutator switch direction.When voltage and current sample circuit collects the battery of wherein one section
When under-voltage state occur in voltage or electric current, the output interface of the battery connect is connected to booster circuit by control double-throw electric switch,
By booster circuit boost and reach the supply standard of electric automobile.
The output terminal of the booster circuit and the input terminal of regulator circuit connect；The output termination voltage of the regulator circuit
Output terminal；The output terminal of sampling one batteries of termination of the voltage and current sample circuit；The voltage and current sample circuit
Output terminal is connected with analog to digital conversion circuit；The output terminal of analog-digital conversion circuit as described is connected with controller circuitry；The controller
Circuit is connected with control terminal through drive circuit with double-throw electric switch；The input terminal of the display circuit connects with controller circuitry
Connect；The storing up electricity road is connected with controller circuitry.
The junction of analog-digital conversion circuit as described and controller circuitry is connected to optical coupling isolator.So as to be effectively protected control
Device circuit processed, prevents influence of the high current to low current circuit, improves the service life of device.
The voltage and current sample circuit mainly includes voltage sensor and current sensor；The voltage sensor and electricity
The output terminal of flow sensor is connected with analog to digital conversion circuit.The main real-time collection for realizing voltage and current, generally multichannel
AD samplings are formed, it is possible to achieve carry out real-time voltage to multiple batteries and electric current is acquired.
The controller circuitry mainly includes microprocessor, and the microprocessor uses the singlechip chip of STM32 series.
It grows with service life, and a series of advantage such as cheap, can meet the use of the present invention very well.
The course of work of the present invention：
During the daily traveling of electric automobile, output voltage and electricity of the voltage and current sample circuit to each batteries
Stream gather in real time and be transmitted to controller circuitry, controller circuitry according to the voltage or electric current of collection be less than device setting voltage or
During electric current, it is determined as under-voltage or undercurrent, controller circuitry controls double-throw electric switch to be opened to booster circuit by drive circuit
Input terminal so that output voltage boosts by booster circuit, meets the standard of electric powered motor voltage, prevents battery pack
A wherein batteries influence the power supply of whole battery pack when occurring under-voltage.
The preferred embodiment to the invention is illustrated above, but the present invention is not limited to embodiment,
Those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to the invention spirit
Or replace, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (6)
1. accumulator of electric car voltage loses lifting device, it is characterised in that：Including booster circuit, regulator circuit, double-throw electricity
Switch, drive circuit, voltage and current sample circuit, analog to digital conversion circuit, controller circuitry, display circuit and storage circuit；
The output terminal of input one batteries of termination of the double-throw electric switch；One output terminal of the double-throw electric switch is defeated for voltage
The input terminal connection of outlet, the other end and booster circuit；The output terminal of the booster circuit and the input terminal of regulator circuit connect；
The output termination voltage output end of the regulator circuit；The output of sampling one batteries of termination of the voltage and current sample circuit
End；The output terminal of the voltage and current sample circuit is connected with analog to digital conversion circuit；The output terminal of analog-digital conversion circuit as described with
Controller circuitry connects；The controller circuitry is connected with control terminal through drive circuit with double-throw electric switch；The display electricity
The input terminal on road is connected with controller circuitry；The storing up electricity road is connected with controller circuitry.
2. accumulator of electric car voltage according to claim 1 loses lifting device, it is characterised in that：Further include alarm
Circuit；The input terminal of the warning circuit is connected with controller circuitry.
3. accumulator of electric car voltage according to claim 1 loses lifting device, it is characterised in that：The modulus turns
The junction for changing circuit and controller circuitry is connected to optical coupling isolator.
4. accumulator of electric car voltage according to claim 1 loses lifting device, it is characterised in that：The voltage electricity
Stream sample circuit mainly includes voltage sensor and current sensor；The output terminal of the voltage sensor and current sensor is equal
It is connected with analog to digital conversion circuit.
5. accumulator of electric car voltage according to claim 1 loses lifting device, it is characterised in that：The boosting electricity
Road is small-sized transformer circuit, and the transformer circuit is further connected with heat sink.
6. accumulator of electric car voltage according to claim 1 loses lifting device, it is characterised in that：The controller
Circuit mainly includes microprocessor, and the microprocessor uses the singlechip chip of STM32 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907315.3A CN107966663A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car voltage loses lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907315.3A CN107966663A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car voltage loses lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966663A true CN107966663A (en) | 2018-04-27 |
Family
ID=61996158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610907315.3A Pending CN107966663A (en) | 2016-10-18 | 2016-10-18 | Accumulator of electric car voltage loses lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966663A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394094A (en) * | 2007-09-20 | 2009-03-25 | 李仕清 | Full automatic high efficient voltage step-up step-down circuit |
| CN102280912A (en) * | 2011-06-10 | 2011-12-14 | 深圳市金威源科技股份有限公司 | Equalization circuit of charge and discharge circuit of battery pack |
| CN102653263A (en) * | 2011-03-03 | 2012-09-05 | 北汽福田汽车股份有限公司 | Electric automobile power battery management system and method |
| CN103199504A (en) * | 2013-04-18 | 2013-07-10 | 无锡中星微电子有限公司 | Battery protection circuit with booster circuit |
| CN104253469A (en) * | 2014-09-24 | 2014-12-31 | 于志章 | Secondary battery pack charging and discharging management system |
| CN104835989A (en) * | 2014-03-27 | 2015-08-12 | 北汽福田汽车股份有限公司 | Protective method and protective device of power storage battery |
| CN105337374A (en) * | 2015-12-04 | 2016-02-17 | 上海斐讯数据通信技术有限公司 | Method for prolonging power supply time |
| CN206270471U (en) * | 2016-10-18 | 2017-06-20 | 南京金邦动力科技有限公司 | Accumulator of electric car voltage loses lifting device |
-
2016
- 2016-10-18 CN CN201610907315.3A patent/CN107966663A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394094A (en) * | 2007-09-20 | 2009-03-25 | 李仕清 | Full automatic high efficient voltage step-up step-down circuit |
| CN102653263A (en) * | 2011-03-03 | 2012-09-05 | 北汽福田汽车股份有限公司 | Electric automobile power battery management system and method |
| CN102280912A (en) * | 2011-06-10 | 2011-12-14 | 深圳市金威源科技股份有限公司 | Equalization circuit of charge and discharge circuit of battery pack |
| CN103199504A (en) * | 2013-04-18 | 2013-07-10 | 无锡中星微电子有限公司 | Battery protection circuit with booster circuit |
| CN104835989A (en) * | 2014-03-27 | 2015-08-12 | 北汽福田汽车股份有限公司 | Protective method and protective device of power storage battery |
| CN104253469A (en) * | 2014-09-24 | 2014-12-31 | 于志章 | Secondary battery pack charging and discharging management system |
| CN105337374A (en) * | 2015-12-04 | 2016-02-17 | 上海斐讯数据通信技术有限公司 | Method for prolonging power supply time |
| CN206270471U (en) * | 2016-10-18 | 2017-06-20 | 南京金邦动力科技有限公司 | Accumulator of electric car voltage loses lifting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180427 |
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| RJ01 | Rejection of invention patent application after publication |