CN202351679U - Circuit for simulation controllable voltage stabilization battery - Google Patents
Circuit for simulation controllable voltage stabilization battery Download PDFInfo
- Publication number
- CN202351679U CN202351679U CN2011204881359U CN201120488135U CN202351679U CN 202351679 U CN202351679 U CN 202351679U CN 2011204881359 U CN2011204881359 U CN 2011204881359U CN 201120488135 U CN201120488135 U CN 201120488135U CN 202351679 U CN202351679 U CN 202351679U
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- voltage
- circuit
- power supply
- stabilized power
- supply circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Control Of Voltage And Current In General (AREA)
Abstract
The utility model provides a circuit for a simulation controllable voltage stabilization battery. The circuit is characterized by comprising an upper computer, an MCU (Microprogrammed Control Unit) controller, a rectification circuit, a first voltage stabilization power circuit used for current protection, previous voltage stabilization and current setting, a second voltage stabilization power circuit used for voltage stabilization and a voltage and current sampling circuit, wherein the rectification circuit is formed by connecting a current doubler rectifier circuit with a full wave rectifier circuit in parallel; the rectifier circuit, the first voltage stabilization power circuit and the second voltage stabilization power circuit are sequentially connected; the voltage and current sampling circuit is respectively connected with the MCU controller, the first voltage stabilization power circuit and the second voltage stabilization power circuit; and the MCU controller is respectively connected with the first voltage stabilization power circuit, the second voltage stabilization power circuit and the upper computer. According to the circuit of the simulation battery, the functions of controllable voltage stabilization and controllable current, convenience is brought to the testing of lithium batteries, the testing cost is reduced and the reliability of equipment with a lithium battery protection board is improved.
Description
[technical field]
The utility model relates to lithium battery group technical field of measurement and test, particularly a kind of circuit of simulating controlled voltage stabilizing battery.
[background technology]
In electronic device field, mu balanced circuit, electric current and voltage sample circuit and host computer etc. all are the devices of using always.The major loop of its mu balanced circuit is to be in series and to be constituted by compound adjustment transistor AND gate power source loads RL.The electric current and voltage sample circuit generally is to have used real effective conversion chip AD736; Send into single-chip microcomputer after the A/D conversion of the current and voltage signals of this circuit main circuit output in circuit, single-chip microcomputer is revised controlled quentity controlled variable and is realized functions such as over-voltage over-current protection, fault judgement according to deviate again.Host computer is that the people can directly send the computing machine of controlling order, generally is to show the PC that various signals change on the screen.
At present; The li-ion cell protection plate need be tested charging superpotential, discharge overvoltage protection, short-circuit protection etc.; And if have the fender of more piece all will each joint to be tested; In practical application, all can not go to insert test no matter single-unit still is the test of more piece fender,, also will employ a tremendous amount of manpower and material resources because not only cause the serious waste of resource like this with lithium battery.Owing to will realize fender charging superpotential, the test of discharge overvoltage protection, generally all use simulated battery, and the simulated battery of access point will have certain changeability, and will have some similar characteristics of the charging and the discharge of lithium battery.Prior art is to adopt fixed stably voltage source that the voltage swing of the superpotential of charging on the fender, discharge overvoltage protection and the value of normal charging/discharging voltage extremely are set, and realizes that fender discharges and recharges the test of function.Simulated battery is worked as in the pressure drop that existing simulated battery technology adopts the fixed current source and course to cross the resistance generation; Through regulating resistance value required simulated battery voltage is set; Implementing needs artificial regulator potentiometer, time-consuming, at the bottom of the testing efficiency; Voltage-regulation is not accurate, can not directly measure like work quiescent current, dormancy quiescent current, balanced balanced current etc.
[summary of the invention]
In order to overcome the deficiency that prior art exists, the utility model provides a kind of circuit with simulated battery of controlled voltage stabilizing, controllable current function.
The utility model is achieved in that a kind of circuit of simulating controlled voltage stabilizing battery, comprising: host computer, MCU controller, rectification circuit, be used for overcurrent protection and in advance voltage stabilizing and first voltage-stabilized power supply circuit of electric current setting, second voltage-stabilized power supply circuit that is used for voltage stabilizing and electric current and voltage sample circuit; Said rectification circuit is formed in parallel by current-doubling rectifier and full-wave rectifying circuit, and said rectification circuit, first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit connect successively; Said electric current and voltage sample circuit is connected with said MCU controller, first voltage-stabilized power supply circuit and second voltage-stabilized power supply circuit respectively; Said MCU controller is connected with said first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit and host computer respectively.
Further; Comprise that also one is used to prevent the too high voltage absorption circuit that causes first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit to work of external voltage, said voltage absorption circuit is connected with said second voltage-stabilized power supply circuit, MCU controller and electric current and voltage sample circuit respectively.
The advantage of the utility model is: host computer is controlled first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit, voltage absorption circuit through the MCU controller is unidirectional respectively; The alternating current of external power source changes stable power into behind the current-doubling rectifier of inner rectification circuit and full-wave rectifying circuit; Undertaken offering second voltage-stabilized power supply circuit after preparatory voltage stabilizing and electric current are provided with by first voltage-stabilized power supply circuit again and carry out voltage stabilizing; Its voltage absorption circuit mainly plays a protective role; Prevent external equipment voltage be higher than the utility model simulated battery circuit voltage and make first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit can't operate as normal; The current value and the magnitude of voltage of electric current and voltage sample circuit institute sampling determination feed back to first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit, voltage absorption circuit, MCU controller respectively; So that make they can be controlled constantly the electric current and voltage value of adjustment output, the entire circuit structure just can be simulated the battery of controlled voltage stabilizing like this.This circuit is the circuit with simulated battery of controlled voltage stabilizing, controllable current function, and it is the test of li-ion cell protection plate, has brought convenience, has reduced testing cost, has improved the reliability of the equipment of band li-ion cell protection plate
[description of drawings]
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the detailed block diagram of each circuit of the utility model.
[embodiment]
See also shown in Figure 1; A kind of circuit of simulating controlled voltage stabilizing battery of the utility model comprises: host computer 1, MCU controller 2, rectification circuit 3, be used for overcurrent protection and in advance voltage stabilizing and electric current setting first voltage-stabilized power supply circuit 4, be used for second voltage-stabilized power supply circuit 5 and the electric current and voltage sample circuit 6 of voltage stabilizing; (mainly be made up of two diodes by current-doubling rectifier by current-doubling rectifier 31 for said rectification circuit 3; It is the full-wave rectifying circuit of prior art) and the full-wave rectifying circuit 32 (rectifier bridge that full-wave rectifying circuit mainly is made up of four diodes; It is the full-wave rectifying circuit of prior art) be formed in parallel, said rectification circuit 3, first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5 connect successively; Said electric current and voltage sample circuit 6 is connected with said MCU controller 2, first voltage-stabilized power supply circuit 4 and second voltage-stabilized power supply circuit 5 respectively; Said MCU controller 2 is connected with said first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5 and host computer 1 respectively.
In the present embodiment; The utility model comprises that also one is used to prevent the too high voltage absorption circuit 7 that causes first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit to work of external voltage, and said voltage absorption circuit 7 is connected with said second voltage-stabilized power supply circuit 5, MCU controller 2 and electric current and voltage sample circuit 6 respectively.
Wherein second voltage-stabilized power supply circuit 5 is voltage controlled voltage-stabilized power supply circuits (as shown in Figure 2) of a kind of Voltage Feedback formula, and first voltage-stabilized power supply circuit 4 is on the basis of the current-doubling rectifier of front end and full-wave rectifying circuit, to be connected in series devices such as TL431 (a kind of parallel voltage-stabilizing integrated circuit), FET, comparer to have formed the voltage-stabilized power supply circuit that can be used for overcurrent protection and preparatory voltage stabilizing and electric current setting;
The concrete principle of work flow process of the utility model is following:
As depicted in figs. 1 and 2, at first host computer 1 is controlled first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5, voltage absorption circuit 7 through MCU controller 2 is unidirectional respectively; The alternating current of external power source changes stable power into behind the current-doubling rectifier of inner rectification circuit 3 31 and full-wave rectifying circuit 32; Undertaken offering second voltage-stabilized power supply circuit 5 after preparatory voltage stabilizing and electric current are provided with by first voltage-stabilized power supply circuit 4 again and carry out voltage stabilizing; First voltage-stabilized power supply circuit 4 also has the overcurrent protection effect in addition; Voltage absorption circuit 7 mainly plays a protective role; Prevent external equipment voltage be higher than the utility model simulated battery circuit voltage and make first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5 can't operate as normal; The current value of 6 sampling determinations of electric current and voltage sample circuit and magnitude of voltage feed back to first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5, voltage absorption circuit 7, MCU controller 2 respectively; So that its first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5, voltage absorption circuit 7, MCU controller 2, electric current and voltage value that can controlled constantly adjustment output, the entire circuit structure just can be simulated the battery of controlled voltage stabilizing like this; And MCU controller 2 is equivalent to the heart of entire circuit, and host computer 1 is being controlled first voltage-stabilized power supply circuit 4, second voltage-stabilized power supply circuit 5, voltage absorption circuit 7 through MCU controller 2 and worked normally.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (3)
- One kind the simulation controlled voltage stabilizing battery circuit; It is characterized in that, comprising: host computer, MCU controller, rectification circuit, be used for overcurrent protection and in advance voltage stabilizing and first voltage-stabilized power supply circuit of electric current setting, second voltage-stabilized power supply circuit that is used for voltage stabilizing and electric current and voltage sample circuit; Said rectification circuit is formed in parallel by current-doubling rectifier and full-wave rectifying circuit, and said rectification circuit, first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit connect successively; Said electric current and voltage sample circuit is connected with said MCU controller, first voltage-stabilized power supply circuit and second voltage-stabilized power supply circuit respectively; Said MCU controller is connected with said first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit and host computer respectively.
- 2. a kind of circuit of simulating controlled voltage stabilizing battery according to claim 1; It is characterized in that; Comprise that also one is used to prevent the too high voltage absorption circuit that causes first voltage-stabilized power supply circuit, second voltage-stabilized power supply circuit to work of external voltage, said voltage absorption circuit is connected with said second voltage-stabilized power supply circuit, MCU controller and electric current and voltage sample circuit respectively.
- 3. a kind of circuit of simulating controlled voltage stabilizing battery according to claim 1 is characterized in that: the voltage controlled voltage-stabilized power supply circuit that said second voltage-stabilized power supply circuit is a kind of Voltage Feedback formula; Said first voltage-stabilized power supply circuit is on said current-doubling rectifier and full-wave rectifying circuit, to be connected in series TL431, FET, comparer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204881359U CN202351679U (en) | 2011-11-29 | 2011-11-29 | Circuit for simulation controllable voltage stabilization battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204881359U CN202351679U (en) | 2011-11-29 | 2011-11-29 | Circuit for simulation controllable voltage stabilization battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351679U true CN202351679U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204881359U Expired - Lifetime CN202351679U (en) | 2011-11-29 | 2011-11-29 | Circuit for simulation controllable voltage stabilization battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928635A (en) * | 2012-10-31 | 2013-02-13 | 深圳市振华微电子有限公司 | Simulation battery circuit for testing protection circuit of lithium battery |
-
2011
- 2011-11-29 CN CN2011204881359U patent/CN202351679U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928635A (en) * | 2012-10-31 | 2013-02-13 | 深圳市振华微电子有限公司 | Simulation battery circuit for testing protection circuit of lithium battery |
| CN102928635B (en) * | 2012-10-31 | 2015-12-09 | 深圳市振华微电子有限公司 | A kind of simulated battery circuit for testing lithium battery protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FUJIAN NEBULA ELECTRONIC CO., LTD. Free format text: FORMER NAME: FUZHOU DEVELOPMENT ZONE XINGYUN ELECTRONIC AUTOMATION CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee after: FUJIAN NEBULA ELECTRONICS CO., LTD. Address before: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee before: Fuzhou Development Zone Xingyun Electronic Automation Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Mawei District 350000 Fujian city of Fuzhou province Kuaian Majiang Shishi Avenue Road No. 6 1-4 floor Patentee after: FUJIAN NEBULA ELECTRONICS CO., LTD. Address before: 350000 Productivity Promotion Center, 8 star road, Mawei District, Fujian, Fuzhou 3, China, 304 Patentee before: FUJIAN NEBULA ELECTRONICS CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |