CN201388179Y - Self-adapting energy-storing electricity-saving DC brushless controller - Google Patents
Self-adapting energy-storing electricity-saving DC brushless controller Download PDFInfo
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- CN201388179Y CN201388179Y CN200920302780U CN200920302780U CN201388179Y CN 201388179 Y CN201388179 Y CN 201388179Y CN 200920302780 U CN200920302780 U CN 200920302780U CN 200920302780 U CN200920302780 U CN 200920302780U CN 201388179 Y CN201388179 Y CN 201388179Y
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Abstract
The utility model relates to the technical field of electric transmission control, in particular to a self-adapting energy-storing electricity-saving DC (direct-current) brushless controller. Various detection signals output by a detection circuit for battery voltage signals, handle speed control signals, brake lever skid signals and electric motor hall signals in the controller are transmitted to a microprocessor; the microprocessor controls a power tube bridge arm output circuit through a driver according to the various input signals; a first threshold node and a second threshold node are set in the microprocessor according to the battery voltage signals; when the received battery voltage signals exceed the first threshold node, an LED (light emitting diode) lamp is turned on, and discharging current with maximum transmission ratio is controlled to be decreased with the dropping of battery voltage; and when the received battery voltage signals exceed the second threshold node, the output current output by the power tube bridge arm output circuit is decreased so as to lead the motor torque to be reduced. The two control and protection function thresholds are set in the self-adapting energy-storing electricity-saving DC brushless controller, so that the release of high-current can be suppressed effectively, a battery, a motor and the controller can be protected, and the reliability and practicability of products can be improved.
Description
Technical field
The utility model relates to electric drive control technology field, is specifically related to a kind of electric bicycle electric drive controller.
Background technology
The electric assisted bicycle favor that characteristics such as economic and light catch a buying public by it.Yet designer in the past is in order to satisfy the pursuit of people to travel speed, climbing moment, and its controller all adopts big current drives, and has ignored the protection to battery, causes battery degree of depth heavy-current discharge.Thereby also shortened the service life of controller for electric vehicle, motor and other electric drive parts.
Electric assisted bicycle generally all adopts maintenance-free lead-acid battery, and heavy-current discharge, particularly deep discharge are very big to the influence of battery physical life, battery discharge is dark more.It is few more that it recycles number of times, and high current density discharge just means have a large amount of plumbic acid ions to change electrolyte in very short time, causes generating fine and close sulfuric acid lead layer and passivation has taken place, thereby the internal resistance of cell is increased, reduce battery discharge efficient, battery performance reduces.
The utility model content
The purpose of this utility model is; overcome the above-mentioned deficiency of prior art; performance at the used battery of electric assisted bicycle; provide a kind of and can prolong the current time that battery discharges; increase the mileages of continuation of electric motor car; effectively protect battery, motor, the electric motor car electric drive controller that prolongs its useful life.
For this reason, the utility model adopts following technical scheme:
A kind of self adaptation economize on electricity accumulation energy type brush DC controller, comprise battery voltage signal, the handgrip speed control signal, the brake lever brake signal, motor hall signal testing circuit, microprocessor, driver, power tube brachium pontis output circuit, battery voltage signal, the handgrip speed control signal, the brake lever brake signal, each road detection signal of motor hall signal testing circuit output is admitted to microprocessor, microprocessor passes through driver control power pipe bridge wall output circuit according to each road signal of input, it is characterized in that, described microprocessor is provided with the first and second threshold value nodes according to battery voltage signal, when the battery voltage signal that receives is higher than the first threshold node, the LED lamp is bright, and control ratio maximum discharge current reduces with cell voltage, receiving battery voltage signal when being higher than the second threshold value node, reducing power tube brachium pontis output circuit output current Motor torque is descended.
As preferred implementation, self adaptation economize on electricity accumulation energy type brush DC controller of the present utility model also comprises a ground connection sampling resistor that is connected on power pipe bridge wall output circuit, this resistance is drawn a current component, generating run current signal behind comparator, be admitted to microprocessor, be used for control automatically and reduce big electric current output; Described microprocessor is when receiving brake lever brake signal signal, and power controlling pipe bridge arm circuit makes under the power tube brachium pontis pipe close, and opens the bridge tube conducting simultaneously, makes the mechanical kinetic energy of the motor that is in the self power generation state be converted into electrical power storage in battery.
The utility model self adaptation economize on electricity accumulation energy type brush DC controller; Applied Digital frequency conversion detection technique; battery discharge classification buffering current limliting is carried out suitable control; have and when riding the lasting quickening of speed, reduce electric weight output function characteristic automatically; two control defencive function threshold values are set, can effectively suppress big electric current and discharge, thus the protection battery; motor, controller have improved reliability of products and practicality.
Description of drawings
Fig. 1 self adaptation economize on electricity of the present utility model energy storage principle schematic diagram.
The structured flowchart of the self adaptation economize on electricity accumulation energy type brush DC controller of this practicality of Fig. 2.
Embodiment
Controller of the present utility model comprises two new technique contents: self adaptation economize on electricity energy storage and charging energy storage in good time.
Self adaptation economize on electricity energy storage:, at first set the relation curve of discharging current and cell voltage: I=IM+K (V-V for heavy-current discharge and the deep discharge that prevents battery
On), wherein K is a coefficient.
As shown in Figure 1: the discharge voltage setting of giving battery in when design is two node (V up and down
On, V
Down), voltage is higher than node, the battery maximum discharge current is a steady state value I
M, when being lower than this node, maximum discharge current reduces with cell voltage,, stop output up to lower node position " under-voltage " electric current.The chemical reaction of giving on the one hand battery is with time of abundance and make the timely electric energy supplement of battery, has guaranteed the discharging efficiency of battery, and the distance that continues is elongated, and has prolonged the life-span of battery on the other hand.
2. the energy storage of in good time charging: utilize the space of battery discharge, controller quits work, and does not have discharging current this moment.And motor is under the situation of running, during such as brake, allows its mechanical function be converted into electric energy by the control of mistake design of electronic circuits software program and recharges to battery.With the electrical power storage that recharges in battery.
At the specific design scheme the utility model is further specified below.The formation of the utility model controller as shown in Figure 2
The utility model controller comprises microprocessor, testing circuits such as cell voltage, handgrip, brake lever, motor hall sensor signal, battery current, driver, power tube brachium pontis output circuit that is made of the MOS high power valve circuit of three pairs of bridge-types etc.With the microprocessor is the center, does the port that various external signals are all guided to microprocessor detects: handgrip produce 1? the speed regulating control signal of V, the brake lever brake signal is used to control the opening and closing of MOS high power valve, the motor hall sensor signal sends the certain time sequence pulse after by microprocessor, and the pushing motor of the MOS high power valve circuit by three pairs of bridge-types rotates.Cell voltage and current detection signal obtain cell voltage and running current data by the AD sampling of microprocessor internal, and this utility model controller instrument has been realized the function of self adaptation node energy storage to the processing of these data.
Design for self adaptation economize on electricity energy storage: in software, set two node (V up and down
On, V
Down) be respectively 45V and 41.5V.When sample detecting when cell voltage is lower than 45V, battery reduces with the voltage that reduces big discharging current, voltage drop must be many more, maximum discharging current is also minimum, K in the formula can set as requested, when getting K=2, and the maximum amplified current I of battery when above as 45V
MBe 17A, when voltage drops to the 41.5V left and right sides, I
MBecome 10A, avoided heavy-current discharge greatly, regulate the purpose that has played energy-conservation current limliting energy storage automatically.
The design of charging energy storage in good time: when microprocessor when receiving brake lever brake signal signal, power controlling pipe bridge arm circuit, pipe is closed, open the bridge tube conducting simultaneously, motor is in rotary state, allows motor rotate the self power generation that produces and is back to battery, the electrical power storage that refluxes is got up, reciprocation cycle is utilized, and has improved the battery energy storage effect, has prolonged the distance travelled of electric motor car.
Controller of the present utility model, also connect a ground connection sampling resistor at power pipe bridge wall output circuit, draw a current component, this current component is as the running current signal, be admitted to the current comparator of microprocessor, when sample rate current component during greater than set point, the comparator upset, drive output and be closed, be used for control automatically and reduce big electric current output.
Claims (3)
1. self adaptation economize on electricity accumulation energy type brush DC controller, comprise battery voltage signal, the handgrip speed control signal, the brake lever brake signal, motor hall signal testing circuit, microprocessor, driver, power tube brachium pontis output circuit, battery voltage signal, the handgrip speed control signal, the brake lever brake signal, each road detection signal of motor hall signal testing circuit output is admitted to microprocessor, microprocessor passes through driver control power pipe bridge wall output circuit according to each road signal of input, it is characterized in that, described microprocessor is provided with the first and second threshold value nodes according to battery voltage signal, when the battery voltage signal that receives is higher than the first threshold node, the LED lamp is bright, and control ratio maximum discharge current reduces with cell voltage, receiving battery voltage signal when being higher than the second threshold value node, reducing power tube brachium pontis output circuit output current Motor torque is descended.
2. self adaptation economize on electricity accumulation energy type brush DC controller according to claim 1, it is characterized in that, described controller also comprises a ground connection sampling resistor that is connected on power pipe bridge wall output circuit, this resistance is drawn a current component, generating run current signal behind comparator, be admitted to microprocessor, be used for control automatically and reduce big electric current output.
3. self adaptation economize on electricity accumulation energy type brush DC controller according to claim 1 and 2, it is characterized in that, described microprocessor is when receiving brake lever brake signal signal, power controlling pipe bridge arm circuit, pipe is closed, open the bridge tube conducting simultaneously, make the mechanical kinetic energy of the motor that is in the self power generation state be converted into electrical power storage in battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920302780U CN201388179Y (en) | 2009-04-30 | 2009-04-30 | Self-adapting energy-storing electricity-saving DC brushless controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920302780U CN201388179Y (en) | 2009-04-30 | 2009-04-30 | Self-adapting energy-storing electricity-saving DC brushless controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201388179Y true CN201388179Y (en) | 2010-01-20 |
Family
ID=41580724
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920302780U Expired - Lifetime CN201388179Y (en) | 2009-04-30 | 2009-04-30 | Self-adapting energy-storing electricity-saving DC brushless controller |
Country Status (1)
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| CN (1) | CN201388179Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166274A (en) * | 2011-12-15 | 2013-06-19 | 东莞钜威新能源有限公司 | Battery management system and corresponding electronic system |
| CN103386665A (en) * | 2012-05-07 | 2013-11-13 | 苏州宝时得电动工具有限公司 | Control method of electric tool and electric tool used for executing control method |
| CN104269906A (en) * | 2014-10-21 | 2015-01-07 | 河南爱浪车业有限公司 | Intelligent charging module of electric bicycle and charging method based on intelligent charging module |
-
2009
- 2009-04-30 CN CN200920302780U patent/CN201388179Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166274A (en) * | 2011-12-15 | 2013-06-19 | 东莞钜威新能源有限公司 | Battery management system and corresponding electronic system |
| CN103386665A (en) * | 2012-05-07 | 2013-11-13 | 苏州宝时得电动工具有限公司 | Control method of electric tool and electric tool used for executing control method |
| CN103386665B (en) * | 2012-05-07 | 2015-07-01 | 苏州宝时得电动工具有限公司 | Control method of electric tool and electric tool used for executing control method |
| CN104269906A (en) * | 2014-10-21 | 2015-01-07 | 河南爱浪车业有限公司 | Intelligent charging module of electric bicycle and charging method based on intelligent charging module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN XIAODAO ELECTRIC VEHICLE CO., LTD. Free format text: FORMER OWNER: TIANJIN FEIKE ELECTRIC VEHICLE CO.LTD Effective date: 20121011 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121011 Address after: 301802, No. 2, block B4, nine Garden Industrial Park, Baodi District, Tianjin Patentee after: Tianjin Knife Electric Vehicle Industry Co., Ltd. Address before: 301802, No. 2, No. nine industrial park, Baodi District, Tianjin, B4 Patentee before: Tianjin Feike Electric Vehicle Co.Ltd |
|
| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN KNIFE ELECTRIC ELECTRIC TECHNOLOGY CO., LT Free format text: FORMER NAME: TIANJIN XIAODAO ELECTRIC BICYCLE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 301802, No. 2, No. nine industrial park, Baodi District, Tianjin, B4 Patentee after: TIANJIN XIAODAO ELECTRIC TECHNOLOGY CO., LTD. Address before: 301802, No. 2, block B4, nine Garden Industrial Park, Baodi District, Tianjin Patentee before: Tianjin Knife Electric Vehicle Industry Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301802, No. 2, No. nine industrial park, Baodi District, Tianjin, B4 Patentee after: TIANJIN XIAODAO ELECTRIC TECHNOLOGY CO., LTD. Address before: 301802, No. 2, No. nine industrial park, Baodi District, Tianjin, B4 Patentee before: TIANJIN XIAODAO ELECTRIC TECHNOLOGY CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100120 |
|
| CX01 | Expiry of patent term |