CN1592023A - Output voltage adjustable combined battery - Google Patents
Output voltage adjustable combined battery Download PDFInfo
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- CN1592023A CN1592023A CN 03156187 CN03156187A CN1592023A CN 1592023 A CN1592023 A CN 1592023A CN 03156187 CN03156187 CN 03156187 CN 03156187 A CN03156187 A CN 03156187A CN 1592023 A CN1592023 A CN 1592023A
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- output
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- voltage
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Abstract
An adjustable output voltage combined device includes a battery set, a DC-DC converter, an induction coil, a switch tube and a potential regulation device. The input of the DC-DC converter is connected with the output of the battery set, the inductive coil is bridge-connected between the positive input and output of the converter, two conducting ends of the switch tube is connected between the positive and negative of the converter, its control end is linked to the signal output end of the converter, the signal output end of the potential regulation device is connected with the control signal input of the coveter. This invention converts the DC voltage to pulse voltage output and regulates voltage by altering pulse frequency to realize stepless regulation from single step battery voltage to the maximum output voltage.
Description
Technical field
The present invention relates to a kind of battery, especially a kind of control circuit that is provided with can carry out the continuously adjustable assembled battery to output voltage by foreign intervention.Belong to electronic technology field.
Background technology
Along with the develop rapidly of modern electronic technology, the amount of information that people enjoy is expanded rapidly, and the change of modern handle official bussiness, life pattern makes more mobile electronic product obtain the increasingly extensive use of people.
The employed energy overwhelming majority of mobile electronic product comes from the entrained battery of product itself.Because battery has extremely limited electric energy reserves, so that be subjected to certain restriction the service time of mobile electronic product.In order to prolong the service time of battery as much as possible, manufacturing enterprise reserves the external power source interface usually on the electronic product of being produced, so that the user is in the occasion that civil power can be provided, utilize producer to provide power supply for power supply adaptor that its electronic product provided or the power supply adaptor bought voluntarily for electronic product specially, to save battery electric quantity.This mode can't satisfy the mobile instructions for use of electronic product, moreover, when the user carries a plurality of mobile electronic products (as digital camera, walkman, notebook computer etc.), because these electronic products have different separately working voltage requirements, must carry a plurality of power supply adaptors simultaneously, so even can find the occasion that civil power is provided, this mode is very inconvenience also.
When utilizing an assembled battery of carrying, the user powers for electronic product, use though can realize moving, and prolonged service time of electronic product, but, the different separately working voltage requirement of a plurality of electronic products can can't be satisfied equally, and the way that addresses this problem at present can only be corresponding electronic product, carries a plurality of assembled batteries.This way obviously is not easy to use.
In addition, the assembled battery that uses just carries out some single batteries simple series and parallel combination at present, the user can't get information about the storage capacitors amount of this assembled battery, the power consumption situation of load, thereby makes troubles for using to a certain extent.For example, when carrying video camera and go out to take,, therefore can't estimate the service time continuously of this assembled battery, the continuity of shooting operation is affected owing to can't learn the stored electric weight of assembled battery that carries.
Therefore, can use for a long time, can satisfy different working voltage requirements for mobile electronic product provides, and the portable power source that can show the electricity consumption situation intuitively, mobile electronic product user urgent problem now become.
Summary of the invention
The objective of the invention is under disengaging mains-supplied environment, to utilize an assembled battery to provide a kind of assembled battery of Adjustable Output Voltage for a plurality of mobile electronic products provide the use present situation of voltage in several modes at above-mentioned user, this battery can be by foreign intervention, the output voltage of according to concrete electronic product battery being adjusted in the requirement of input voltage by the user is complementary with it, thereby has satisfied the demand of utilizing a battery that a plurality of electronic products are powered.
Another object of the present invention is can't get information about the assembled battery that a kind of Adjustable Output Voltage is provided to the application feature of battery pack at above-mentioned user, this battery is by its inner supervisory circuit that is provided with, and states such as the electric weight of battery, load are monitored in real time.The user can by the display unit that is provided with at any time the user mode of electrolytic cell.
The objective of the invention is to be achieved through the following technical solutions:
A kind of assembled battery of Adjustable Output Voltage, it comprises by single battery and interconnects the battery pack of being formed that it also comprises DC-to-DC converter, inductance coil, switching tube and current potential adjusting device.
The input of DC-to-DC converter is connected with the output of battery pack, and its output is the output of described assembled battery.
Inductance coil is connected across between the positive pole input and cathode output end of DC-to-DC converter.
Two conduction terminal of switching tube are connected between the positive and negative electrode of output of DC-to-DC converter, and its control end is connected with the signal output part of DC-to-DC converter.
The signal output part of current potential adjusting device is connected with the signal input end of described DC-to-DC converter; Current potential is regulated and is made the continuously adjustable pulse voltage of described assembled battery output frequency.
In above-mentioned the setting,, the frequency of the pulse voltage of the circuit output of being made up of DC-to-DC converter, inductance coil and switching tube is changed, make output voltage adjusted by the variation of pulse duty factor by of the adjusting of current potential adjusting device to current potential.
In this circuit, inductance coil is connected across input, the output two ends of DC-to-DC converter.Two conduction terminal of switching tube are connected between the output and ground of DC-to-DC converter, and its control end is connected with the signal output part of DC-to-DC converter.The signal input end of DC-to-DC converter is connected with the signal end of current potential adjusting device.Inductance coil shows the characteristic of energy storage/exoergic in switching tube conducting/shutoff action, make output voltage become pulse voltage, and its pulse frequency then depends on the frequency of switching tube conducting/shutoff.
In the use, by adjusting the current potential adjusting device, change its electric potential signal, the open/close signal frequency of DC-to-DC converter signal output part is changed, thus, the conducting of switching tube/shutoff frequency also changes, make DC-to-DC converter frequency changed, thereby realize the output voltage of assembled battery is adjusted.Because the conducting/shutoff frequency of switching tube can change arbitrarily, so the output voltage of assembled battery also can obtain continuous adjustment.
In the technique scheme, the current potential adjusting device can directly adopt manual potential regulator, directly realizes the continuous adjustment to output voltage, also can adopt the regulating circuit of being made up of single-chip microcomputer, digital regulation resistance, button to realize the continuous adjustment of voltage.
When adopting the single-chip microcomputer regulating circuit, the signal input end of single-chip microcomputer is connected with button, and its control signal output ends is connected by the signal input end of digital regulation resistance with dc conversion unit or DC-to-DC converter.During use, press button, can adjust output voltage.
In the technical program, when having increased signal acquisition circuit, temperature sensor and display, and after the working temperature signal of output voltage, electric current and battery pack is sent to each corresponding data input pin of single-chip microcomputer by corresponding circuit or holding wire respectively, calculation process by single-chip microcomputer, can monitor and show the states such as electric weight, load of assembled battery in real time, the user can understand the user mode of assembled battery at any time by the display unit that is provided with.
As shown from the above technical solution, the present invention is converted to pulse voltage output by the VD with battery pack, and reach the purpose of adjusting voltage by the frequency that changes pulse voltage, and can realize from the single-stage cell voltage to the stepless adjustment between the maximum output voltage, can adapt to any input voltage numerical value and be positioned at mobile electronic product within the adjusting range.
By introducing single-chip microcomputer, signal acquisition circuit, display and temperature sensor, can monitor, control output voltage, capacitance, the operating state of assembled battery in real time, the user mode information and the control channel of abundant assembled battery is provided for the user.
Description of drawings
Figure 1 shows that specific embodiment circuit theory diagrams provided by the present invention.
Figure 2 shows that preferred embodiment circuit theory diagrams provided by the present invention.
Embodiment
Below, also the present invention is described in further detail in conjunction with the accompanying drawings by specific embodiment.
Embodiment one
Figure 1 shows that the circuit theory diagrams of a specific embodiment provided by the present invention.This embodiment comprises battery pack B, DC-DC transducer, manual potential regulator R, inductance coil L and switch transistor T.
Battery pack B forms after saving the single battery series and parallels by 4, and its output is connected with the voltage input end of DC-DC transducer.
Inductance coil L is connected across input, the output of DC-DC transducer, output V
0With two conduction terminal that are connected switch transistor T between the ground.
The control end of switch transistor T is connected the signal output part t of DC-DC transducer.
In actual use, manually the operation part of potential regulator R is installed in the outside of assembled battery, and it is output voltage numerical value is corresponding with the movement position of this operation part, the user can be according to the requirement of different electronic products to input voltage, adjust manual potential regulator R, ON/OFF frequency signal by DC-DC transducer adjustment signal output part t makes energy storage/exoergic frequency shift of inductance coil L, reaches and adjusts output V
0The purpose of output voltage numerical value.
Embodiment two
Figure 2 shows that the circuit theory diagrams of a preferred embodiment provided by the present invention.Among this embodiment, three battery unit series connection that composed in parallel by 2 joint single batteries constitute battery pack B.The output of this battery pack B is connected to the input of DC-DC transducer MAX1771, and is identical with embodiment one, also is parallel with energy storage inductor coil L on this transducer MAX1771, output V
0With the switching tube that is connected between the ground is a metal-oxide-semiconductor Q.
Set up single-chip microcomputer MSP430F133, LCDs in the present embodiment and gathered amplifying circuit Y by current signal
1, voltage signal acquisition amplifying circuit Y
2The signal acquisition circuit of forming.
Current signal is gathered amplifying circuit Y
1Gather small current signal by the milliohm level resistance R a that is arranged on MAX1771 negative potential output, after operational amplifier amplified, this current signal was transfused to the current signal input AD of single-chip microcomputer MSP430F133
0
Voltage signal acquisition amplifying circuit Y
2Directly be connected with the output of assembled battery, because the permission input voltage of single-chip microcomputer MSP430F133 is 2.5V, so, by adjusting resistance R
1Numerical value, adjust the multiplication factor of operational amplifier, make and satisfy the voltage signal input voltage signal end AD that input requires
1
Voltage signal acquisition amplifying circuit Y
2The voltage signal of being gathered can be used for accurately following the change of assembled battery output voltage on the one hand, gathers amplifying circuit Y with current signal on the other hand
1The current signal of being gathered calculates by single-chip microcomputer MSP430F133 together and obtains battery capacity.
In the present embodiment, the signal input end P2.0 of single-chip microcomputer MSP430F133 and P2.1 are connected with button S1, the button S2 of combination button respectively, and by this combination button, the user can add/subtract the operation of voltage value.
The control signal output ends P1.1 of single-chip microcomputer MSP430F133 is connected with a digital regulation resistance, and the output of this digital regulation resistance is connected with the control end of DC-DC transducer MAX1771.
When the user carries out output voltage adjustment operation by button S1 or button S2, digital regulation resistance is under the control of single-chip microcomputer MSP430F133, MAX1771 exports digital electric potential signal to the DC-DC transducer, this numeral electric potential signal changes the frequency of DC-DC transducer MAX1771 to the switching signal of metal-oxide-semiconductor output, and then reaches the purpose that changes the assembled battery output voltage.
The data output end of single-chip microcomputer MSP430F133, display driver end are connected with LCD.This LCD is used to show the numerical value of output voltage, the capacity of assembled battery etc.
Also be provided with temperature signal input AD among the battery pack B with single-chip microcomputer MSP430F133
10The temperature sensor Pt that connects, this temperature sensor Pt transmits the temperature of assembled battery in real time, by liquid crystal display displays, and, take place can in time give a warning, with protection electronic product and assembled battery itself when unusual in temperature.
Present embodiment is not only simple in structure, and perfect in shape and function, and measurement, precise control are easy to use, for ease of using in the dark, also have backlight function.In addition, display also can adopt the mode of light emitting diode matrix to make, and utilizes luminous pattern that output voltage, capacitance, temperature parameter are shown.
It should be noted last that: above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the present invention, and not breaking away from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1, a kind of assembled battery of Adjustable Output Voltage, it comprises by single battery and interconnects the battery pack of being formed that it is characterized in that: it also comprises DC-to-DC converter, inductance coil, switching tube and current potential adjusting device;
The input of described DC-to-DC converter is connected with the output of battery pack, and its output is the output of described assembled battery;
Described inductance coil is connected across between the positive pole input and cathode output end of DC-to-DC converter;
Two conduction terminal of described switching tube are connected between the positive and negative electrode of output of DC-to-DC converter, and its control end is connected with the signal output part of DC-to-DC converter.
The signal output part of described current potential adjusting device is connected with the signal input end of described DC-to-DC converter; Current potential is regulated and is made the continuously adjustable pulse voltage of described assembled battery output frequency.
2, the assembled battery of Adjustable Output Voltage according to claim 1 is characterized in that: described current potential adjusting device is manual potential regulator or the regulating circuit be made up of single-chip microcomputer, digital regulation resistance, button at least;
The voltage input end of described manual potential regulator connects the positive pole of battery pack, and the signal input end that its voltage output end connects described DC-to-DC converter connects;
The signal input end of described single-chip microcomputer is connected with button, and its control signal output ends is connected with the signal input end of described DC-to-DC converter by digital regulation resistance.
3, the assembled battery of Adjustable Output Voltage according to claim 2, it is characterized in that: a data input of described single-chip microcomputer also is connected by the voltage output end of operational amplification circuit with described dc conversion unit or DC-to-DC converter, is used to gather output voltage signal; Another data input pin also is connected with the current signal collection terminal of described dc conversion unit or DC-to-DC converter by another operational amplification circuit, is used to gather output current signal.
4, the assembled battery of Adjustable Output Voltage according to claim 2, it is characterized in that: another data input pin of described single-chip microcomputer is connected with temperature sensor, this temperature sensor is set in the described battery pack, in order to measuring the temperature of battery pack, and temperature signal is sent to single-chip microcomputer.
5, according to the assembled battery of claim 2 or 3 or 4 described Adjustable Output Voltage, it is characterized in that: the data output end of described single-chip microcomputer and display driver end also are connected with the display in order to the working status parameter that shows described assembled battery.
6, the assembled battery of Adjustable Output Voltage according to claim 5 is characterized in that: described display is LCDs or laser-emitting diode or light emitting diode matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03156187XA CN100355179C (en) | 2003-09-04 | 2003-09-04 | Output voltage adjustable combined battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03156187XA CN100355179C (en) | 2003-09-04 | 2003-09-04 | Output voltage adjustable combined battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1592023A true CN1592023A (en) | 2005-03-09 |
| CN100355179C CN100355179C (en) | 2007-12-12 |
Family
ID=34598335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03156187XA Expired - Fee Related CN100355179C (en) | 2003-09-04 | 2003-09-04 | Output voltage adjustable combined battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100355179C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545607A (en) * | 2010-12-21 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Voltage adjustment system |
| CN102570813A (en) * | 2010-12-08 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Output voltage regulating circuit of step-down converting circuit |
| CN103178595A (en) * | 2013-03-14 | 2013-06-26 | 广东欧珀移动通信有限公司 | Mobile phone adapter |
| CN106253645A (en) * | 2016-08-31 | 2016-12-21 | 深圳市英朗光电有限公司 | Emergency Lighting Supply power inverter |
| CN108668128A (en) * | 2017-03-29 | 2018-10-16 | 深圳市东创良盛电子技术有限公司 | A kind of television set automatization test system and test method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110316U (en) * | 1991-12-05 | 1992-07-15 | *** | Continous adjustable electronic voltage regulator for output voltage |
| FR2768527B1 (en) * | 1997-09-18 | 2000-07-13 | Sgs Thomson Microelectronics | VOLTAGE REGULATOR |
| JP2002252932A (en) * | 2001-02-23 | 2002-09-06 | Nissan Motor Co Ltd | Power control unit |
-
2003
- 2003-09-04 CN CNB03156187XA patent/CN100355179C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570813A (en) * | 2010-12-08 | 2012-07-11 | 鸿富锦精密工业（深圳）有限公司 | Output voltage regulating circuit of step-down converting circuit |
| CN102545607A (en) * | 2010-12-21 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Voltage adjustment system |
| CN103178595A (en) * | 2013-03-14 | 2013-06-26 | 广东欧珀移动通信有限公司 | Mobile phone adapter |
| CN106253645A (en) * | 2016-08-31 | 2016-12-21 | 深圳市英朗光电有限公司 | Emergency Lighting Supply power inverter |
| CN106253645B (en) * | 2016-08-31 | 2019-02-05 | 深圳市英朗光电有限公司 | Emergency Lighting Supply power inverter |
| CN108668128A (en) * | 2017-03-29 | 2018-10-16 | 深圳市东创良盛电子技术有限公司 | A kind of television set automatization test system and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100355179C (en) | 2007-12-12 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20091009 |