CN207835131U - Intelligent charge control device for wind-driven generator - Google Patents
Intelligent charge control device for wind-driven generator Download PDFInfo
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- CN207835131U CN207835131U CN201820215588.6U CN201820215588U CN207835131U CN 207835131 U CN207835131 U CN 207835131U CN 201820215588 U CN201820215588 U CN 201820215588U CN 207835131 U CN207835131 U CN 207835131U
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- driven generator
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Abstract
The utility model proposes a kind of Intelligent charge control devices for wind-driven generator, including valve-regulated battery pack, Switching Power Supply, control panel and host computer；The electrode of the valve-regulated battery pack is sequentially connected with Switching Power Supply, control panel；Control panel is equipped with AD Acquisition Circuit, governor circuit and relay drive circuit；AD Acquisition Circuit connects the valve-regulated battery pack；The AD Acquisition Circuit, Switching Power Supply, relay drive circuit and host computer are separately connected governor circuit；Relay drive circuit connects wind-driven generator relay；The AD Acquisition Circuit includes A/D chip and 8 road AD collecting units, and the 8 road AD collecting units include 4 road voltage acquisition units, 1 road current acquisition unit and 3 road temperature collecting cells；The case where realizing to rechargeable battery complete detection, capable of judging battery in time, placing battery overcharges or charge less, extends the service life of battery, controls Switching Power Supply by control panel, realizes and be charged and discharged control to valve control battery group.
Description
Technical field
The utility model is related to wind-power electricity generation charge control technical fields, more particularly to a kind of intelligence for wind-driven generator
It can battery charge controller.
Background technology
The normal work of wind-driven generator needs the equipment that electric energy stores, and provides the working power of back, it sends out for wind-force
The safe operation of motor, provides important leverage, since the common battery of present wind power industry is closed valve-controlled lead acid
Accumulator, the charging of such accumulator is just at one of important equipment of safe operation of wind-driven generator.When wind turbine powers off,
It needs to control blade and put away the oars resets, need accumulator to give motor power supply, for such accumulator, common charging method has constant pressure
Charging, constant-current charge and fast pulse charger etc.；Existing charger is usually present some shortcomings, in charging process,
The voltage of battery gradually increases, and charging current continuously decreases, due to constant-voltage charge no matter the virtual condition of cell voltage, charging are electric
Pressure is always constant, and charging current has just started bigger, then exponentially declines, may make accumulator using rapid charge
Overcharge easily leads to cell damage, and for cycle charging, the smaller electric current of use, charging effect is preferable；But for
The accumulator of large capacity, charging time will drag longer, and timeliness is very low, causes inconvenience.Therefore, it is necessary to a kind of energy is comprehensive
The above various problems, according to different situations, the charger control of the wind-driven generator of control rechargable battery charging.
Utility model content
The purpose of this utility model aims to solve at least one of the technological deficiency.
For this purpose, a purpose of the utility model be to propose it is a kind of can realize it is complete to the rechargeable battery of wind-driven generator
Face is detected and the charger control of power control charging process.
To achieve the goals above, the embodiment of the utility model one side provides a kind of intelligence for wind-driven generator
Battery charge controller, including valve-regulated battery pack, Switching Power Supply, control panel and host computer；The electrode of the valve-regulated battery pack
It is connected with the output end of Switching Power Supply, the output end of the input terminal connection control panel of the Switching Power Supply；On the control panel
Equipped with AD Acquisition Circuit, governor circuit and relay drive circuit；The AD Acquisition Circuit connects the valve-regulated battery pack；Institute
It states AD Acquisition Circuit, Switching Power Supply, relay drive circuit and host computer and is separately connected governor circuit；The relay driving electricity
Road connects wind turbine relay.The AD Acquisition Circuit includes A/D chip and 8 road AD collecting units, the 8 road AD collecting unit packets
Include 4 road voltage acquisition units, 1 road current acquisition unit and 3 road temperature collecting cells.
Preferably, the governor circuit includes STM32F103 chips and the crystal oscillator that is connected respectively with STM32F103 chips
Circuit, reset circuit and JTAG artificial circuits；The JTAG artificial circuits connect host computer.
Preferably, the valve-regulated battery pack is connected using the valve-regulated battery of 18 12V12A.
Preferably, 4 road voltage acquisition unit is all made of the control of the input pin connection biswitch diode of A/D chip
End processed, and the ac voltage output of connecting valve power supply, charging voltage output end, virtual voltage output end and electric current output
End.
Preferably, 3 road temperature collecting cell includes that A/D chip connects NTC thermistor sensor, another way all the way
KTY temperature sensors are connected, further include NTC thermistor sensing described in the another way connection battery temperature Acquisition Circuit of A/D chip
Device and KTY temperature sensors are individually positioned in Switching Power Supply outwardly and inwardly.
Further, the battery temperature Acquisition Circuit includes temperature sensor, optical isolation amplifier and operational amplifier；
The input terminal of the output end connection optical isolation amplifier of the temperature sensor, the positive output of the optical isolation amplifier
End and reversed-phase output connect the input terminal of operational amplifier by connecting filter circuit；The output end of the operational amplifier connects
Connect the input pin of A/D chip.
Preferably, further include power detecting unit；The power detecting unit uses TLC7733B power reference chips；Institute
State the input pin of the reference voltage output end connection A/D chip of TLC7733B power reference chips.
According to the utility model embodiment provide a kind of Intelligent charge control device for wind-driven generator, compared to
Existing wind-powered electricity generation charger, has at least the following advantages；First, valve control electricity is utilized as rechargeable battery using valve control battery group
The controllability of pond group controls Switching Power Supply by control panel, realizes and be charged and discharged control to valve control battery group；Secondly, it is controlling
8 road AD collecting units are provided in making sheet, using various temperature sensor and voltage collection circuit to valve control battery and switch electricity
Source is acquired into trip temperature and current and voltage data, and control panel is realized and filled by the charging stage to battery using the data of acquisition
Electric control；The case where realizing to rechargeable battery complete detection, capable of judging battery in time, placing battery overcharges or charge less, extends
The service life of battery.
The additional aspect of the utility model and advantage will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is a kind of structure for Intelligent charge control device for wind-driven generator that the utility model embodiment provides
Figure；
Fig. 2 is the governor circuit for the Intelligent charge control device for wind-driven generator that the utility model embodiment provides
Circuit diagram；
Fig. 3 is the governor circuit for the Intelligent charge control device for wind-driven generator that the utility model embodiment provides
In 4 road voltage acquisition units circuit diagram；
Fig. 4 (a) is the switch for the Intelligent charge control device for wind-driven generator that the utility model embodiment provides
The circuit diagram of plate internal and external temperature acquisition；
Fig. 4 (b) is the battery for the Intelligent charge control device for wind-driven generator that the utility model embodiment provides
The circuit diagram of temperature collecting cell；
In figure：1, valve-regulated battery pack；2, Switching Power Supply；3, control panel；4, host computer；301, AD Acquisition Circuit；302、
Governor circuit；303, relay drive circuit.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, a kind of Intelligent charge control device for wind-driven generator that the utility model embodiment provides,
Including valve-regulated battery pack 1, Switching Power Supply 2, control panel 3 and host computer 4；The electrode of valve-regulated battery pack 1 and Switching Power Supply 2
Output end is connected, the output end of the input terminal connection control panel 3 of Switching Power Supply 2；Control panel 3 be equipped with AD Acquisition Circuit 301,
Governor circuit 302 and relay drive circuit 303；AD Acquisition Circuit 301 connects valve-regulated battery pack 1；AD Acquisition Circuit 301,
Switching Power Supply 2, relay drive circuit 303 and host computer 4 are separately connected governor circuit 302；Relay drive circuit connects wind
Machine relay.AD Acquisition Circuit 301 includes A/D chip and 8 road AD collecting units, and 8 road AD collecting units include 4 road voltage acquisitions
Unit, 1 road current acquisition unit and 3 road temperature collecting cells.Using host computer 4, control panel 3, the master control electricity of control panel 3 are set
Road 302, receive AD Acquisition Circuit acquisition valve-regulated battery pack 1 and Switching Power Supply 2 parameters, when battery occur it is under-voltage or
When temperature anomaly, control panel 3 controls relay drive circuit, stops driving wind turbine relay, and alarm.
As shown in figure 3, in one embodiment of the utility model, 4 road voltage acquisition units are all made of the defeated of A/D chip
Enter the control terminal of pin connection biswitch diode, and the ac voltage output of connecting valve power supply 2, charging voltage export
End, virtual voltage output end and current output terminal.Wherein, biswitch diode uses BAV99 switch time maximum 6ns, work
In on and off two states, diode is in cut-off state when AD channel voltages are excessively high or too low under normal circumstances,
Diode current flow, channeling potential play the role of voltage-limiting protection by diode clamping, it can prevent the voltage for exceeding power supply and
Series resistance and connect the capacitance of 0.1UF when the interference of negative pulse, wherein control terminal are connect with A/D chip pin, to AD voltages into
The smooth filtering of row.
As shown in Fig. 4 (a), 3 road temperature collecting cells, including NTC thermistor sensor, KTY temperature sensors；NTC
Thermistor (temperature) sensor and KTY temperature sensors are individually positioned in Switching Power Supply 2 outwardly and inwardly, and are separately connected A/D chip
Two-way input pin；Wherein, KTY temperature sensors use the silicon resistor heat-sensitive sensor of KTY81-210 series, temperature acquisition
Circuit by 3.3V voltage references former (REF2933) and resistance pressure-dividing network (R80/R81/KTY81/C35) form KTY81 resistance values with
When temperature change, the voltage of potential-divider network varies with temperature and changes, and the voltage of potential-divider network is sent to controller the 15th at this time
Pin (PA1) is AD converted control.
Further include the input pin all the way of A/D chip in another embodiment of the utility model as shown in Fig. 4 (b)
It includes temperature sensor, optical isolation amplifier and operation amplifier to connect battery temperature Acquisition Circuit battery temperature Acquisition Circuit
Device；Temperature sensor output end connection optical isolation amplifier input terminal, the positive output end of optical isolation amplifier and
Reversed-phase output connects the input terminal of operational amplifier by connecting filter circuit；The output end of operational amplifier connects A/D chip
Input pin.
Temperature sensor uses model (FH-CWF103F3950F), the type of optical isolation amplifier in the present embodiment
Number it is HCPL7840, the temperature signal of valve control battery group passes through RC single order passive filterings after being acquired in optical isolation amplifier
Device is filtered, and is then reached the processing of differential-type integrator, by A/D chip, is sent to the 26th foot of main control chip
(PA7) it is AD converted and analysis and Control.
As shown in Fig. 2, governor circuit 302 includes STM32F103 chips and the crystalline substance being connected respectively with STM32F103 chips
Shake circuit, reset circuit and JTAG artificial circuits；JTAG artificial circuits connect host computer 4.Wherein, crystal oscillating circuit is using 8MHZ's
Quartz oscillator, crystal oscillator both ends are connected two capacity earths respectively, play the role of stablizing concussion waveform；Due to using master control
Chip is STM32F103, by the watchdog circuit of main control chip, connecting external socket, optical coupling isolator and opening manually
It puts row outer remote into and resets control.
Valve-regulated battery pack 1 is connected using the valve-regulated battery of 18 12V12A.The deposit electricity power supply of wind-driven generator is wanted
Seeking Truth 216V really uses the valve-regulated battery series connection of 18 12V12A.
Further include power detecting unit in another embodiment of the utility model；Power detecting unit is using TLC7733B electricity
Source fiducial chip；The input pin of the reference voltage output end connection A/D chip of TLC7733B power reference chips.TLC7733B
The reference voltage supply controller of power reference chip output carries out AD acquisitions, and controller carries out voltage according to the voltage value of acquisition
Monitoring management carries out power down protection when Voltage Drop is to 71% to main control chip.
It should be noted that in each embodiment of the utility model the electronic devices such as main control chip, temperature sensor model
Citing is chosen, the example above is not limited to, can also be other modes, details are not described herein.
This charger intelligent controlling device using ARM controller as control core, according to the AD received adopt by controller
The signal of collection, detect the temperature of battery pack, the internal temperature of Switching Power Supply plate, skin temperature, in wind turbine temperature collection and
Acquire the alternating voltage, actual output voltage, charging voltage of switchboard；And according to phase sets detection threshold value, controller control
The output voltage values and current value of Switching Power Supply realize the charge control to valve-regulated battery pack；Switching Power Supply completes three ranks
The charge control of section.What three stages charged, which carries out, is respectively：First stage is onstant current voltage limiting to charge, is carried out with 1.6A charging currents
Quick charge, when on-Line Voltage reaches 244V (25 degree), electric current is begun to decline；Second stage is constant voltage charging phase, electric current drop
Arrive 0.1A or so；Phase III is the floating charging stage that trickle is supplied, and it is to be filled when releasing the 105% of electricity to charge to and be filled with electricity
Electricity terminates.Then charger maintains 0 to 0.1A periodical vibrating type floating charge state, supplement accumulator itself to put certainly for a long time
Electricity makes accumulator that Full Power State be maintained to maintain maintenance for a long time.
According to the utility model embodiment provide a kind of Intelligent charge control device for wind-driven generator, compared to
Existing wind-powered electricity generation charger, has at least the following advantages；First, valve control electricity is utilized as rechargeable battery using valve control battery group
The controllability of pond group controls Switching Power Supply by control panel, realizes and be charged and discharged control to valve control battery group；Secondly, it is controlling
8 road AD collecting units are provided in making sheet, using various temperature sensor and voltage collection circuit to valve control battery and switch electricity
Source is acquired into trip temperature and current and voltage data, and control panel is realized and filled by the charging stage to battery using the data of acquisition
Electric control；The case where realizing to rechargeable battery complete detection, capable of judging battery in time, placing battery overcharges or charge less, extends
The service life of battery.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (7)
1. a kind of Intelligent charge control device for wind-driven generator, which is characterized in that including valve-regulated battery pack, switch electricity
Source, control panel and host computer；The electrode of the valve-regulated battery pack is connected with the output end of Switching Power Supply, the Switching Power Supply
Input terminal connection control panel output end；The control panel is equipped with AD Acquisition Circuit, governor circuit and relay driving electricity
Road；The AD Acquisition Circuit connects the valve-regulated battery pack；The AD Acquisition Circuit, Switching Power Supply, relay drive circuit
It is separately connected governor circuit with host computer；The relay drive circuit connects wind-driven generator relay；
The AD Acquisition Circuit includes A/D chip and 8 road AD collecting units, and the 8 road AD collecting units include 4 road voltage acquisitions
Unit, 1 road current acquisition unit and 3 road temperature collecting cells.
2. the Intelligent charge control device according to claim 1 for wind-driven generator, which is characterized in that the master control
Circuit includes the STM32F103 chips and crystal oscillating circuit being connected respectively with STM32F103 chips, reset circuit and JTAG emulation
Circuit；The JTAG artificial circuits connect host computer.
3. the Intelligent charge control device according to claim 1 for wind-driven generator, which is characterized in that the valve control
Formula battery pack is connected using the valve-regulated battery of 18 12V12A.
4. the Intelligent charge control device according to claim 1 for wind-driven generator, which is characterized in that 4 tunnels
Voltage acquisition unit is all made of the control terminal of the input pin connection biswitch diode of A/D chip, and the friendship of connecting valve power supply
Flow voltage output end, charging voltage output end, virtual voltage output end and current output terminal.
5. the Intelligent charge control device according to claim 1 for wind-driven generator, which is characterized in that 3 tunnels
Temperature collecting cell includes that A/D chip connects NTC thermistor sensor all the way, and another way connects KTY temperature sensors, also wraps
Include the another way connection battery temperature Acquisition Circuit of A/D chip；The NTC thermistor sensor and KTY temperature sensors difference
It is placed on Switching Power Supply outwardly and inwardly.
6. the Intelligent charge control device according to claim 5 for wind-driven generator, which is characterized in that the battery
Temperature collection circuit includes temperature sensor, optical isolation amplifier and operational amplifier；The output end of the temperature sensor
The input terminal of optical isolation amplifier is connected, the positive output end and reversed-phase output of the optical isolation amplifier pass through connection
Filter circuit connects the input terminal of operational amplifier；The input pin of the output end connection A/D chip of the operational amplifier.
7. the Intelligent charge control device according to claim 1 for wind-driven generator, which is characterized in that further include electricity
Source detection unit；The power detecting unit uses TLC7733B power reference chips；The TLC7733B power references chip
Reference voltage output end connection A/D chip input pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215588.6U CN207835131U (en) | 2018-02-07 | 2018-02-07 | Intelligent charge control device for wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215588.6U CN207835131U (en) | 2018-02-07 | 2018-02-07 | Intelligent charge control device for wind-driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN207835131U true CN207835131U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820215588.6U Expired - Fee Related CN207835131U (en) | 2018-02-07 | 2018-02-07 | Intelligent charge control device for wind-driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109620A (en) * | 2021-03-03 | 2021-07-13 | 昆明理工大学 | Power measurement circuit of high-power radio frequency signal |
-
2018
- 2018-02-07 CN CN201820215588.6U patent/CN207835131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109620A (en) * | 2021-03-03 | 2021-07-13 | 昆明理工大学 | Power measurement circuit of high-power radio frequency signal |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20210207 |