CN104242385A - Battery pack, charger, charging system, discharging device and discharging system - Google Patents
Battery pack, charger, charging system, discharging device and discharging system Download PDFInfo
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- CN104242385A CN104242385A CN201410424223.0A CN201410424223A CN104242385A CN 104242385 A CN104242385 A CN 104242385A CN 201410424223 A CN201410424223 A CN 201410424223A CN 104242385 A CN104242385 A CN 104242385A
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Abstract
The invention provides a battery pack, a charger, a charging system, a discharging device and a discharging system. The battery pack comprises a battery cell set with a battery positive electrode end and a battery negative electrode end and a battery pack microprocessor connected between the battery positive electrode end and the battery negative electrode end, and further comprises a voltage detecting circuit, a temperature detecting circuit, a balance circuit, an indicator and a both-way communication control circuit. The voltage detecting circuit is used for collecting the voltage of each battery cell. The temperature detecting circuit is used for collecting the temperature of the battery cell set. The balance circuit is used for being controlled by the battery pack microprocessor to balance the differential voltage between the battery cells. The indicator is used for displaying the current capacity and/or the current working state of the battery pack. The both-way communication control circuit is provided with a both-way communication interface, and the battery pack microprocessor controls the both-way communication control circuit to carry out information interaction with the external discharger or the discharging device through the both-way communication interface. The voltage detecting circuit, the balance circuit and the temperature detecting circuit are respectively and electrically connected with the battery cell set and the battery pack microprocessor, and the both-way communication control circuit and the indicator are respectively and electrically connected with the battery pack microprocessor. When the battery pack is charged or discharged, the battery pack can be well matched with the charger or the discharging device.
Description
Technical field
The present invention relates to battery charging and discharging field, particularly relate to a kind of power brick, charger, charging system, electric discharge device and discharge system.
Background technology
At present, existing power brick charge-discharge system structure as shown in Figures 1 and 2, discharge control FET (the Field Effect Transistor of power brick during charging, field-effect transistor) open, battery detecting and control circuit detect in battery core group and often economize on electricity core voltage and detect the resistance of NTC (negative temperature coefficient thermistor) to calculate the temperature of power brick, charging current etc., when the temperature of power brick exceed charging temperature allow setting range or any economize on electricity core to exceed maximum restriction charging voltage time, or when charging current exceedes the maximum permission charging current of power brick setting, turn off charging control FET, otherwise charger will open charging control FET.
During electric discharge, the charging control FET of power brick opens.Battery detecting and control circuit detect the temperature that the resistance of often economizing on electricity core voltage and detect NTC calculates power brick, charging current etc.Allow setting range or any economize on electricity core voltage lower than when limiting discharge voltage when battery core temperature exceedes discharge temp, or when discharging current exceedes the maximum permission discharging current of power brick setting, turn off discharge control FET, otherwise open discharge control FET.
Existing above power brick charge-discharge system structure, charger or electric discharge device cannot know the characteristic of battery core group, as maximum deboost, electric current, the voltage of charging temperature allowed band and the core that often economizes on electricity when charging, so for dissimilar battery core, the flash-over characteristic of charger charge characteristic and electric discharge device is consistent, therefore cannot accomplish the matched well of power brick and charger or electric discharge device, therefore also just cannot ensure the maximum service life (MSL) of power brick.Meanwhile, be provided with the charging and discharging protection devices such as charge and discharge control FET in existing power brick, cause the design cost of power brick high and complex circuit designs, power brick and entire system thermal design not good.
Summary of the invention
The present invention is intended to solve the matched well of power brick and charger or electric discharge device in prior art and the high and technical problem of complex circuit designs of the design cost of power brick, there is provided a kind of can with charger or electric discharge device carry out matched well, and the power brick that design cost is low.
The invention provides a kind of power brick, comprise the battery core group with anode end and negative pole end, be connected to the power brick microprocessor between described anode end and negative pole end, also comprise voltage detecting circuit, for gathering the voltage of the core that often economizes on electricity, and the battery core voltage of collection is sent to power brick microprocessor;
Temperature sensing circuit, for gathering the temperature of battery core group, and sends to power brick microprocessor by the battery core group temperature of collection;
Balancing circuitry, for balancing the pressure reduction between battery core under power brick microprocessor-based control;
Indicating device, for showing current capacities and/or the current operating state of power brick;
Two-way communication control circuit, has bi-directional communication interface, and described power brick Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by described bi-directional communication interface and extraneous charger or electric discharge device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, and described two-way communication control circuit and indicating device are electrically connected with power brick microprocessor respectively.
Further; described power brick microprocessor also stores the information of power brick, comprises battery core brand, battery core capacity, battery core connection in series-parallel quantity, maximum charge deboost, constant voltage charge electrical voltage point information, battery capacity indication lamp quantity, maximum charging current, maximum discharge current and time conditions, termination discharging current and voltage conditions, electricity voltage conditions, temperature limited condition, charging times information, production information, products application and protection information and software protocol.
Embodiments of the invention also provide a kind of charger, comprise charger positive terminal, charger negative pole end and charger microprocessor, also comprise,
Switching Power Supply, has an ac input end, for input AC electricity;
Charging control circuit, for controlling the charging work of charger under charger microprocessor-based control;
Voltage-operated device, for controlling the charging output voltage of charger under charger microprocessor-based control;
Current control device, for controlling the charging output current of charger under charger microprocessor-based control;
Voltage collecting device, for gathering the current output voltage of charger and sending to charger microprocessor;
Current collecting device, for gathering the current output current of charger and sending to charger microprocessor;
Indicating device, for showing the operating state of charger under charger microprocessor-based control;
Two-way communication control circuit, has the single terminal interface of two-way communication, and described charger Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by described bi-directional communication interface and extraneous power brick;
Described Switching Power Supply, charging control circuit and current collecting device are serially connected between the positive terminal of charger and negative pole end, described charger microprocessor is connected between the positive terminal of charger and negative pole end, described voltage-operated device, current control device are electrically connected with Switching Power Supply and charger microprocessor respectively, charging control circuit, current collecting device, indicating device, two-way communication control circuit and Switching Power Supply are electrically connected with charger microprocessor respectively, and voltage collecting device is electrically connected with charger microprocessor and charger positive terminal respectively;
Wherein, charger Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by communication interface and external connection battery bag, and controls according to the information of power brick, the current output voltage of charger, current output current the charging output voltage and the size of current that control charger in real time.
Embodiments of the invention also provide a kind of charging system, the charger comprising power brick and be connected with power brick, described power brick comprises the battery core group with anode end and negative pole end, be connected to the battery detecting between described anode end and negative pole end and control circuit, the bi-directional communication interface be connected with control circuit with battery detecting, described charger comprises charger positive terminal, charger negative pole end and be connected between charger positive terminal and negative pole end can the charging Detection & Controling circuit of input AC electricity, the communication interface be electrically connected with charging Detection & Controling circuit, the positive terminal of described charger is electrically connected with the positive terminal of power brick, the negative pole end of charger is electrically connected with the negative pole end of power brick, the communication interface of charger is electrically connected with the bi-directional communication interface of power brick,
Described battery detecting and control circuit and charging Detection & Controling circuit carry out information interaction, and control charging output voltage and the size of current of charger in real time according to the battery core capacity of power brick, battery core connection in series-parallel quantity, maximum charge deboost, constant voltage charge electrical voltage point information, battery capacity indication lamp quantity, maximum charging current information, current battery temperature, current battery core charging voltage information, output current information, temperature limited condition and software protocol.Further, described battery detecting and control circuit comprise voltage detecting circuit, temperature sensing circuit, balancing circuitry, power brick microprocessor, two-way communication control circuit and indicating device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, two-way communication control circuit, the indicating device of described battery detecting and control circuit are electrically connected with power brick microprocessor respectively, and described two-way communication control circuit is also connected with the bi-directional communication interface of power brick.
Further, described charging Detection & Controling circuit comprises Switching Power Supply, charger microprocessor, charging control circuit, voltage-operated device, current control device, voltage collecting device, current collecting device, indicating device, the two-way communication control circuit for input AC electricity;
Described Switching Power Supply, charging control circuit and current collecting device are serially connected between the positive terminal of charger and negative pole end, described charger microprocessor is connected to positive terminal and the negative pole end of charger, described voltage-operated device, current control device is electrically connected with Switching Power Supply and charger microprocessor respectively, charging control circuit, current collecting device, indicating device, two-way communication control circuit and Switching Power Supply are electrically connected with charger microprocessor respectively, voltage collecting device is electrically connected with charger microprocessor and charger positive terminal respectively, the two-way communication control circuit of charging Detection & Controling circuit is also electrically connected with the communication interface of charger.
Embodiments of the invention also provide a kind of electric discharge device, comprise direct current machine, electric discharge device microprocessor, and direct current machine is connected by the both positive and negative polarity of reversing switch with extraneous power brick, and described electric discharge device also comprises,
Voltage check device, for gathering the voltage of power brick under electric discharge device microprocessor-based control;
Speed detector, for gathering the positional information of the present speed transducer of direct current machine under electric discharge device microprocessor-based control;
Current sensing means, for gathering the current working current of direct current machine under electric discharge device microprocessor-based control;
Speed regulating control FET, for controlling the operating current of direct current machine under electric discharge device microprocessor-based control;
Indicating device, for showing the operating state of electric discharge device under electric discharge device microprocessor-based control;
Two-way communication control circuit, has the single terminal interface of two-way communication, and described electric discharge device Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by described bi-directional communication interface and extraneous power brick;
Source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and extraneous power brick are formed, current sensing means and a gate-controlled switch, electric discharge device microprocessor one end is electrically connected with the grid of described speed regulating control FET, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, one end of voltage check device is electrically connected with electric discharge device microprocessor, the other end is electrically connected with the positive terminal of power brick by described gate-controlled switch, described speed detector, current sensing means and indicating device are electrically connected with described electric discharge device microprocessor respectively, described electric discharge device microprocessor is also communicated with power brick by bidirectional communication control device,
Wherein, electric discharge device Microprocessor S3C44B0X two-way communication control circuit and power brick carry out information interaction, and control the operating current size of direct current machine in real time according to the Position Control speed regulating control FET of the current working current of the present speed of the temperature of the voltage of power brick, power brick, direct current machine, direct current machine, maximum discharge current and time conditions, termination discharging current and voltage conditions, temperature limited condition and gate-controlled switch.
Embodiments of the invention also provide a kind of discharge system, comprise power brick and be electrically connected electric discharge device with power brick, described power brick comprises the battery core group with anode end and negative pole end, be connected to the battery detecting between described anode end and negative pole end and control circuit, the bi-directional communication interface be connected with control circuit with battery detecting, described electric discharge device comprises direct current machine, discharge examination and control circuit, speed regulating control FET, direct current machine is electrically connected by the anode end of reversing switch and described power brick and negative pole end, source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and described power brick are formed, described discharge examination and control circuit are connected between anode end and battery cathode end, described discharge examination and control circuit also with the grid of speed regulating control FET, the bi-directional communication interface of power brick is connected,
Described battery detecting and control circuit and discharge examination and control circuit carry out information interaction, and control according to the voltage of power brick, the temperature of power brick, the present speed of direct current machine, the current working current of direct current machine the operating current size that speed governing, maximum discharge current and time conditions, termination discharging current and voltage conditions, temperature limited condition and gate-controlled switch Position Control FET control direct current machine in real time.Further, described battery detecting and control circuit comprise voltage detecting circuit, temperature sensing circuit, balancing circuitry, power brick microprocessor, two-way communication control circuit and indicating device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, two-way communication control circuit, the indicating device of described battery detecting and control circuit are electrically connected with power brick microprocessor respectively, and described two-way communication control circuit is also connected with the bi-directional communication interface of power brick.
Further, described discharge examination and control circuit comprise electric discharge device microprocessor, gate-controlled switch, voltage check device, speed detector, bidirectional communication control device, current sensing means and indicating device;
Direct current machine is electrically connected by the positive terminal of reversing switch and described power brick and negative pole end, source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and described power brick are formed, current sensing means and gate-controlled switch, electric discharge device microprocessor one end is connected with the grid of described speed regulating control FET, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, one end of voltage check device is electrically connected with electric discharge device microprocessor, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, described speed detector, current sensing means and indicating device are electrically connected with described microprocessor respectively, described microprocessor is also electrically connected with the bi-directional communication interface of power brick by bidirectional communication control device.
In above technical scheme, by arranging bi-directional communication interface in power brick, make power brick when charge or discharge, charger or electric discharge device can communicate with the power brick of battery core group in real time, the characteristic of real-time understanding battery core group, what make power brick and charger or electric discharge device can carry out matched well, therefore effectively ensure that the maximum service life (MSL) of power brick.Meanwhile, not do not adopt the structure of the charging and discharging protection devices such as charge and discharge control FET in power brick of the present invention, effectively reduce the internal circuit design complexity of power brick, power brick and entire system thermal design aspect performance better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the charging system in prior art with power brick;
Fig. 2 is the structural representation of the discharge system in prior art with power brick;
Fig. 3 is the structured flowchart of the power brick of an embodiment of the present invention;
Fig. 4 is the structured flowchart of the charger of an embodiment of the present invention;
Fig. 5 is the structural representation of the charging system of an embodiment of the present invention;
Fig. 6 is the structured flowchart of the electric discharge device of an embodiment of the present invention;
Fig. 7 is the structural representation of the discharge system of an embodiment of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 3, embodiments of the invention provide a kind of power brick 10, comprise the battery core group 11 with anode end 13 and negative pole end 14, are connected to the power brick microprocessor 121 between described anode end 13 and negative pole end 14;
Also comprising voltage detecting circuit 122, for gathering the voltage of the core that often economizes on electricity, and the battery core voltage of collection being sent to power brick microprocessor 121;
Temperature sensing circuit 124, for gathering the temperature of battery core group 11, and sends to power brick microprocessor 121 by the battery core group temperature of collection;
Balancing circuitry 123, for balancing the pressure reduction between battery core under the control of power brick microprocessor 121;
Indicating device 126, for showing current capacities and/or the current operating state of power brick 10;
Two-way communication control circuit 125, has bi-directional communication interface 14, and described power brick microprocessor 121 controls two-way communication control circuit 125 and carries out information interaction by described bi-directional communication interface 14 with extraneous charger or electric discharge device.
Described voltage detecting circuit 122, balancing circuitry 123, temperature sensing circuit 124 are electrically connected with described battery core group 11 and power brick microprocessor 121 respectively, and described two-way communication control circuit 125 and indicating device 126 are electrically connected with power brick microprocessor 121 respectively.
Further, power brick 10 is written with characteristic information and the application message of a large amount of power brick in power brick microprocessor 121 when dispatching from the factory, characteristic information comprises battery core brand, battery core capacity, battery core connection in series-parallel quantity, maximum charge deboost, constant voltage charge electrical voltage point information, battery capacity indication lamp quantity, maximum charging current, maximum discharge current and time conditions, stop discharging current and voltage conditions, electricity voltage conditions, temperature limited condition, charging times information, production information, products application and protection information and software protocol etc., the temperature of the battery core that application message gathers when mainly comprising power brick work, often economize on electricity the voltage of core and the information of the charger received or electric discharge device etc.
When the two-way communication control circuit 125 of power brick 10 detects one or more specific pulse signal, power brick microprocessor 121 is waken up, power brick microprocessor 121 starts and control voltage testing circuit 122 gathers the core voltage that often economizes on electricity, and control temperature testing circuit 124 gathers battery core temperature.
If power brick microprocessor 121 receives order or the information of charger or electric discharge device during by two-way communication control circuit 125, power brick microprocessor 121 feeds back corresponding information to charger or electric discharge device, power brick microprocessor 121 calculates the pressure reduction of battery core simultaneously, the pressure reduction between battery core bascule balance battery core is started when pressure reduction reaches the balanced voltage point of power brick microprocessor 121 setting, if power brick is when receiving the signal time-out of external charger or electric discharge device, all devices in power brick 10 enter resting state automatically.
Further, power brick also can by the key wakeup power brick microprocessor 121 in indicating device 126, power brick microprocessor 121 is waken up rear starting resistor testing circuit 122 and gathers the core voltage that often economizes on electricity, start-up temperature testing circuit 124 gathers battery core temperature, and shows the state of present battery capacity or pilot cell bag 10 in indicating device 126.
As shown in Figure 4, embodiments of the invention also provide a kind of charger 20, comprise charger positive terminal, charger negative pole end and charger microprocessor 221, also comprise:
Switching Power Supply 229, has an ac input end 23, for input AC electricity;
Charging control circuit 226, for controlling the charging work of charger 20 under the control of charger microprocessor 221;
Voltage-operated device 227, for controlling the charging output voltage of charger 20 under the control of charger microprocessor 221;
Current control device 228, for controlling the charging output current of charger 20 under the control of charger microprocessor 221;
Voltage collecting device 222, for gathering the current output voltage of charger 20 and sending to charger microprocessor 221;
Current collecting device 225, for gathering the current output current of charger 20 and sending to charger microprocessor 221;
Indicating device 224, for showing the operating state of charger 20 under the control of charger microprocessor 221;
Two-way communication control circuit 223, it is provided with communication interface, and described charger microprocessor 221 controls two-way communication control circuit 223 and carries out information interaction by described bi-directional communication interface and extraneous power brick;
Described Switching Power Supply 229, between the positive terminal that charging control circuit 226 and current collecting device 225 are serially connected in charger 20 and negative pole end, Simultaneous Switching power supply 229 also connects alternating current input 23, described charger microprocessor 221 is connected between the positive terminal of charger and negative pole end, described voltage-operated device 227, current control device 228 is electrically connected with Switching Power Supply 229 and charger microprocessor 221 respectively, charging control circuit 226 respectively with Switching Power Supply 229, charger microprocessor 221 and the electrical connection of charger positive terminal, current collecting device 225, indicating device 224, two-way communication control circuit 223 and Switching Power Supply 229 are electrically connected with charger microprocessor 221 respectively, voltage collecting device 222 is electrically connected with charger microprocessor 221 and charger positive terminal respectively,
Wherein, charger microprocessor 221 controls two-way communication control circuit 223 and carries out information interaction by communication interface and external connection battery bag 10, and controls according to the information of power brick 10, the current output voltage of charger 20, current output current the charging output voltage and the size of current that control charger 20 in real time.
Charger 20 can be accessed by 110V ~ 240V working volts alternating current, while charger microprocessor 221 works on power, all external device (ED)s of initialization are operated in default conditions, then whether charger microprocessor 221 detects power brick 10 by two-way communication control circuit 223 and inserts, control voltage harvester 222 gathers the output voltage of charger 20 positive terminal, controls the charging current that current collecting device 225 gathers charger 20 output.Charger microprocessor 221 does according to information, the information of voltage of voltage collecting device 222 collection and the current information of current collecting device 225 collection that two-way communication control circuit 223 is mutual the work that control voltage control device 227, current control device 228, charging control circuit 226 and indicating device 224 are removed in computing.
Composition graphs 3, shown in Fig. 4 and Fig. 5, embodiments of the invention also provide a kind of charging system, comprise power brick 10 and the charger 20 that is connected with power brick 10, described power brick 10 comprises the battery core group 11 with anode end 13 and negative pole end 15, be connected to the battery detecting between described anode end 13 and negative pole end 15 and control circuit 12, the bi-directional communication interface 14 be connected with control circuit 12 with battery detecting, described charger 20 comprises charger positive terminal, charger negative pole end and be connected between charger positive terminal and negative pole end can the charging Detection & Controling circuit 22 of input AC electricity, the communication interface be electrically connected with charging Detection & Controling circuit 22, the positive terminal of described charger is electrically connected with the positive terminal 13 of power brick, the negative pole end of charger is electrically connected with the negative pole end 15 of power brick, the communication interface of charger is electrically connected with the bi-directional communication interface 14 of power brick,
Described battery detecting and control circuit 12 carry out information interaction with charging Detection & Controling circuit 22, and according to the battery core capacity of power brick 10, battery core connection in series-parallel quantity, maximum charge deboost, software protocol, battery capacity indication lamp quantity, current charging temperature, maximum charging current information, the current output voltage information of battery core current charging voltage information and charger, output current information, temperature limited condition and software protocol control charging output voltage and the size of current of charger 20 in real time.
Particularly, described battery detecting and control circuit 12 comprise voltage detecting circuit 122, temperature sensing circuit 124, balancing circuitry 123, power brick microprocessor 121, two-way communication control circuit 125 and indicating device 126; Described voltage detecting circuit 122, balancing circuitry 123, temperature sensing circuit 124 are electrically connected with described battery core group 11 and power brick microprocessor 121 respectively, two-way communication control circuit 125, the indicating device 126 of described battery detecting and control circuit 12 are electrically connected with power brick microprocessor 121 respectively, and described two-way communication control circuit 125 is also connected with the bi-directional communication interface 14 of power brick 10.
Described charging Detection & Controling circuit 22 comprises Switching Power Supply 229, charger microprocessor 221, charging control circuit 226, voltage-operated device 227, current control device 228, voltage collecting device 222, current collecting device 225, indicating device 224, two-way communication control circuit 223 for input AC electricity.Described Switching Power Supply 229, between the positive terminal that charging control circuit 226 and current collecting device 225 are serially connected in charger 20 and negative pole end, Simultaneous Switching power supply 229 also connects alternating current input 23, described charger microprocessor 221 is connected to positive terminal and the negative pole end of charger, described voltage-operated device 227, current control device 228 is electrically connected with Switching Power Supply 229 and charger microprocessor 221 respectively, charging control circuit 226 respectively with Switching Power Supply 229, charger microprocessor 221 and the electrical connection of charger positive terminal, current collecting device 225, indicating device 224, two-way communication control circuit 223 and Switching Power Supply 229 are electrically connected with charger microprocessor 221 respectively, voltage collecting device 222 is electrically connected with charger microprocessor 221 and charger positive terminal respectively, the two-way communication control circuit 223 of charging Detection & Controling circuit 22 is also electrically connected with the communication interface of charger 20.
The specific works process of the charging system of a kind of embodiment of the present invention is as follows:
When charger 20 detects that power brick 10 is inserted, the microprocessor 221 of charger 20 can send the microprocessor 121 that one or more specific pulse signal wakes power brick 10 up, when power brick microprocessor 121 detects this specific pulse signal, microprocessor 121 is waken up, microprocessor 121 starts and control voltage testing circuit 122 gathers the core voltage that often economizes on electricity, control temperature testing circuit 124 gathers battery core temperature, and relevant information is fed back to charger 20, is specially:
Charger microprocessor 221 sends battery characteristics order one to power brick 10 by the two-way communication control circuit 223 of charger, and the series and parallel information feed back of capacity information and battery core that power brick 10 feeds back battery core according to battery characteristics order one is to the two-way communication control circuit 223 of described charger 20.
Charger microprocessor 221 sends battery characteristics order two to power brick 10 by the two-way communication control circuit 223 of charger, power brick 10 feeds back the maximum charge deboost information of power brick 10 according to battery characteristics order two, and two-way communication control circuit 223 receives power brick 10 and feeds back maximum charge deboost information.
Charger microprocessor 221 sends battery characteristics order three to power brick 10 by the two-way communication control circuit 223 of charger, power brick 10 feeds back the software protocol information of power brick 10 according to battery characteristics order three, and two-way communication control circuit 223 receives power brick 10 feedback software protocol information.
Charger microprocessor 221 sends battery characteristics order four to power brick 10 by the two-way communication control circuit 223 of charger, power brick 10 feeds back the quantity of the indicator light of power brick 10 according to battery characteristics order four, two-way communication controls the quantity that dress circuit 223 receives the power brick indicator light that power brick 10 is fed back.
Charger microprocessor 221 sends battery characteristics order five to power brick 10 by the two-way communication control circuit 223 of charger, the threshold voltage that each indicator light that power brick 10 feeds back power brick 10 according to battery characteristics order five is opened, two-way communication control circuit 223 receives the threshold voltage of each indicator light unlatching that power brick 10 is fed back.
Charger microprocessor 221 sends battery characteristics order six to power brick 10 by the two-way communication control circuit 223 of charger, power brick 10 feeds back the battery core charging working temperature of power brick 10 and maximum permission charging current information at different temperatures according to battery characteristics order six, and the battery core that two-way communication control circuit 223 receives power brick feedback is charged working temperature and maximum permission charging current information at different temperatures.
Charger microprocessor 221 sends battery applications order seven to power brick 10 by the two-way communication control circuit 223 of charger, and two-way communication control circuit 223 receives the current temperature information of power brick that power brick 10 feeds back and every economize on electricity core information of voltage.
Charger microprocessor 221 also gathers information of voltage and the charging current information of power brick 10 by its voltage collecting device 222 and current collecting device 225.Charger microprocessor 221 carries out computing according to the information of above-mentioned collection, and then control charging control circuit 226, voltage-operated device 227, current control device 228 and indicating device 224 work accordingly.Charger microprocessor 221 constantly repeats to send utility command and accept the real time temperature information of power brick 10 and often save the information of voltage of information of voltage and charger self collection and the work of current information Based Intelligent Control charging control circuit 226, voltage-operated device 227, current control device 228 and indicating device 224.
Charger 20 sends various order or information to power brick 10, corresponding information be fed back to charger 20 after power brick 10 receives orders, charger 20 can go to control charging current, charging voltage and indicating device 224 according to the characteristic information of power brick 10 and with application message.If after power brick 10 order accordingly issued by charger 20, charger 20 is not fed back or is received the data of mistake, charger can the voltage of active testing power brick 10 whether in the normal range of operation of battery, if the normal working voltage that power brick voltage sets lower than power brick, charger uses a specific charging current to force to power brick charging, and starts the recovery charging timer of charger 20; The power brick communication recovery voltage set higher than charger 20 when power brick voltage and recover charging timer and also do not reach set point, charger can again be sent out specific pulse signal one or more and wake power brick 10 up, and charger 20 and power brick 10 enter and communicate and intelligent charge pattern.Otherwise charger 20 cuts off charging current and charging voltage, the indicating device simultaneously on charger 20 indicates current work halted state.
As shown in Figure 6, embodiments of the invention also provide a kind of electric discharge device 30, comprise direct current machine 34, electric discharge device microprocessor 321, direct current machine 34 is connected by the both positive and negative polarity of reversing switch 33 with extraneous power brick, described electric discharge device also comprises voltage check device 326, for gathering the voltage of power brick 10 under the control of electric discharge device microprocessor 321; Speed detector 325, for gathering the positional information of the present speed transducer of direct current machine 34 under the control of electric discharge device microprocessor 321; Current sensing means 323, for gathering the current working current of direct current machine 34 under the control of electric discharge device microprocessor 321; Speed regulating control FET 31, for controlling the operating current of direct current machine 34 under electric discharge device microprocessor-based control; Indicating device 322, for showing operating state and the bidirectional communication control device 324 of electric discharge device 30 under the control of electric discharge device microprocessor 321.
Source electrode and the drain electrode of speed regulating control FET 31 is also serially connected with in the loop that described direct current machine 34 and extraneous power brick are formed, current sensing means 323 and a gate-controlled switch, electric discharge device microprocessor 321 one end is electrically connected with the grid of described speed regulating control FET 31, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, one end of voltage check device 326 is electrically connected with electric discharge device microprocessor 321, the other end is electrically connected with the positive terminal of power brick by described gate-controlled switch, described speed detector 325, current sensing means 323 and indicating device 322 are electrically connected with described electric discharge device microprocessor 321 respectively, described electric discharge device microprocessor 321 is also communicated with power brick by bidirectional communication control device 324,
Wherein, electric discharge device microprocessor 321 controls both-way communication control device 324 and carries out information interaction with power brick, and controls according to the voltage of power brick, the temperature of power brick, the present speed of direct current machine, the current working current of direct current machine the operating current size that speed regulating control FET 31 controls direct current machine 34 in real time.
Shown in composition graphs 7, embodiments of the invention also provide a kind of discharge system, comprise power brick 10 and be electrically connected electric discharge device 30 with power brick 10, described power brick 10 comprises the battery core group 11 with anode end and negative pole end, be connected to the battery detecting between described anode end and negative pole end and control circuit 12, the bi-directional communication interface 14 be connected with control circuit 12 with battery detecting, described electric discharge device 30 comprises direct current machine 34, discharge examination and control circuit 32, speed regulating control FET 31, direct current machine 34 is electrically connected by the anode end of reversing switch 33 and described power brick 10 and negative pole end, source electrode and the drain electrode of speed regulating control FET 31 is also serially connected with in the loop that described direct current machine 34 and described power brick 10 are formed, described discharge examination and control circuit 32 are connected between anode end and battery cathode end, described discharge examination and control circuit 32 also with the grid of speed regulating control FET 31, the bi-directional communication interface 14 of power brick 10 is connected,
Described battery detecting and control circuit 12 carry out information interaction with discharge examination and control circuit 32, and control the operating current size of speed regulating control FET 31 control direct current machine 34 in real time according to the voltage of power brick 10, the temperature of power brick 10, the present speed of direct current machine 34, the current working current of direct current machine 34.
Further, described discharge examination and control circuit 32 comprise electric discharge device microprocessor 321, gate-controlled switch, voltage check device 326, speed detector 325, bidirectional communication control device 324, current sensing means 323 and indicating device 322;
Direct current machine 34 is electrically connected by the positive terminal 13 of reversing switch 33 and described power brick 10 and negative pole end 14, source electrode and the drain electrode of speed regulating control FET 31 is also serially connected with in the loop that described direct current machine 34 and described power brick 10 are formed, current sensing means 323 and gate-controlled switch, electric discharge device microprocessor 321 one end is connected with the grid of described speed regulating control FET 31, the other end is electrically connected by the positive terminal of gate-controlled switch with power brick 10, one end of voltage check device 326 is electrically connected with electric discharge device microprocessor 321, the other end is electrically connected with the positive terminal 13 of power brick 10 by gate-controlled switch, described speed detector 325, current sensing means 323 and indicating device 322 are electrically connected with described microprocessor 321 respectively, described microprocessor 321 is also electrically connected with the bi-directional communication interface 14 of power brick 10 by bidirectional communication control device 324.
The operation principle of above-mentioned discharge system is as follows:
Electric discharge device 30 powers on, electric discharge device microprocessor 321, voltage check device 326, speed detector 325, bidirectional communication control device 324, current sensing means 323 and indicating device 322 are initialized as stand-by operation state, speed regulating control FET 31 closes, and direct current machine 34 is without operating current.Electric discharge device microprocessor 321 sends one or more specific pulse signal by bidirectional communication control device 324 and wakes power brick 10 up, and voltage check device 326 gathers power brick voltage simultaneously.If power brick voltage is lower than the protection voltage set by electric discharge device, electric discharge device microprocessor 321, voltage check device 326, speed detector 325, bidirectional communication control device 324, current sensing means 323 and indicating device 322 enter low power consumpting state.Otherwise electric discharge device microprocessor 321 sends control of discharge order to power brick 10 by bidirectional communication control device 324, power brick 10 sends the information of voltage of power brick temperature information and battery core to electric discharge device 30 after receiving control of discharge order, the information of voltage that the bidirectional communication control device 324 of electric discharge device 30 receives power brick temperature information that power brick 10 feeds back and battery core (comprises and often saves information and maximum battery core voltage, minimum battery core information of voltage, electric discharge enable information).
Then, electric discharge device microprocessor 321 sends battery authentication order and information to power brick 10 by bidirectional communication control device 324, bidirectional communication control device 324 receives the authentication information after the power brick encryption of power brick 10 feedback, by receiving the authentication information of conciliating the encryption of density battery bag 10, electric discharge device microprocessor 321 verifies whether power brick 10 is legal power brick, if verify unsuccessfully, then electric discharge device 30 quits work, and (speed regulating control FET 31 closes, all peripheral units are in low power consumpting state), otherwise the positional information of electric discharge device microprocessor 321 constantly Negotiation speed checkout gear 325 picking rate transducer, the operating current information of direct current machine 34 is gathered by current sensing means 323, gather the information of voltage of power brick by voltage check device 326 and received real-time power brick temperature information and the battery core information of voltage of power brick 10 feedback by bidirectional communication control device 324, then produce according to above information operation the input that PWM (pulse-width modulation) signal outputs to speed regulating control FET 31, thus the electric current controlled on direct current machine 34, also the speed of direct current machine 34 is just controlled.If the under-voltage protection point that the voltage that the operating current of direct current machine 34 exceedes maximum operating currenbt that electric discharge device microprocessor 321 sets or power brick 10 set lower than electric discharge device microprocessor 321 or the stopping discharge information receiving power brick 10 transmission; or do not receive feedback information; or receive error message; then electric discharge device 30 quits work; electric discharge device microprocessor 321 controls speed regulating control FET 31 and cuts out, and all peripheral units are in low power consumpting state.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a power brick, comprises the battery core group with anode end and negative pole end, is connected to the power brick microprocessor between described anode end and negative pole end, characterized by further comprising:
Voltage detecting circuit, for gathering the voltage of the core that often economizes on electricity, and sends to power brick microprocessor by the battery core voltage of collection;
Temperature sensing circuit, for gathering the temperature of battery core group, and sends to power brick microprocessor by the battery core group temperature of collection;
Balancing circuitry, for balancing the pressure reduction between battery core under power brick microprocessor-based control;
Indicating device, for showing current capacities and/or the current operating state of power brick;
Two-way communication control circuit, has bi-directional communication interface, and described power brick Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by described bi-directional communication interface and extraneous charger or electric discharge device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, and described two-way communication control circuit and indicating device are electrically connected with power brick microprocessor respectively.
2. power brick according to claim 1; it is characterized in that: described power brick microprocessor also stores the information of power brick, comprise battery core brand, battery core capacity, battery core connection in series-parallel quantity, maximum charge deboost, constant voltage charge electrical voltage point information, battery capacity indication lamp quantity, maximum charging current, maximum discharge current and time conditions, termination discharging current and voltage conditions, electricity voltage conditions, temperature limited condition, charging times information, production information, products application and protection information and software protocol.
3. a charger, comprises charger positive terminal, charger negative pole end and charger microprocessor, characterized by further comprising:
Switching Power Supply, has an alternating current input, for input AC electricity;
Charging control circuit, for controlling the charging work of charger under charger microprocessor-based control;
Voltage-operated device, for controlling the charging output voltage of charger under charger microprocessor-based control;
Current control device, for controlling the charging output current of charger under charger microprocessor-based control;
Voltage collecting device, for gathering the current output voltage of charger and sending to charger microprocessor;
Current collecting device, for gathering the current output current of charger and sending to charger microprocessor;
Indicating device, for showing the operating state of charger under charger microprocessor-based control;
Two-way communication control circuit, it is provided with communication interface;
Described Switching Power Supply, charging control circuit and current collecting device are serially connected between the positive terminal of charger and negative pole end, described charger microprocessor is connected between the positive terminal of charger and negative pole end, described voltage-operated device, current control device are electrically connected with Switching Power Supply and charger microprocessor respectively, charging control circuit, current collecting device, indicating device, two-way communication control circuit and Switching Power Supply are electrically connected with charger microprocessor respectively, and voltage collecting device is electrically connected with charger microprocessor and charger positive terminal respectively;
Wherein, charger Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by communication interface and external connection battery bag, and controls according to the information of power brick, the current output voltage of charger, current output current the charging output voltage and the size of current that control charger in real time.
4. a charging system, the charger comprising power brick and be connected with power brick, it is characterized in that: described power brick comprises the battery core group with anode end and negative pole end, be connected to the battery detecting between described anode end and negative pole end and control circuit, the bi-directional communication interface be connected with control circuit with battery detecting, described charger comprises charger positive terminal, charger negative pole end and be connected between charger positive terminal and negative pole end can the charging Detection & Controling circuit of input AC electricity, the bi-directional communication interface be electrically connected with charging Detection & Controling circuit, the positive terminal of described charger is electrically connected with the positive terminal of power brick, the negative pole end of charger is electrically connected with the negative pole end of power brick, the bi-directional communication interface of charger is electrically connected with the bi-directional communication interface of power brick,
Described battery detecting and control circuit and charging Detection & Controling circuit carry out information interaction, and control charging output voltage and the size of current of charger in real time according to the battery core capacity of power brick, battery core connection in series-parallel quantity, maximum charge deboost, constant voltage charge electrical voltage point information, battery capacity indication lamp quantity, maximum charging current information, current battery temperature, current battery core charging voltage information, output current information, temperature limited condition and software protocol.
5. charging system according to claim 4, is characterized in that: described battery detecting and control circuit comprise voltage detecting circuit, temperature sensing circuit, balancing circuitry, power brick microprocessor, two-way communication control circuit and indicating device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, two-way communication control circuit, the indicating device of described battery detecting and control circuit are electrically connected with power brick microprocessor respectively, and described two-way communication control circuit is also connected with the bi-directional communication interface of power brick.
6. charging system according to claim 4, is characterized in that: described charging Detection & Controling circuit comprises Switching Power Supply, charger microprocessor, charging control circuit, voltage-operated device, current control device, voltage collecting device, current collecting device, indicating device, two-way communication control circuit for input AC electricity;
Described Switching Power Supply, charging control circuit and current collecting device are serially connected between the positive terminal of charger and negative pole end, described charger microprocessor is connected to positive terminal and the negative pole end of charger, described voltage-operated device, current control device is electrically connected with Switching Power Supply and charger microprocessor respectively, charging control circuit, current collecting device, indicating device, two-way communication control circuit and Switching Power Supply are electrically connected with charger microprocessor respectively, voltage collecting device is electrically connected with charger microprocessor and charger positive terminal respectively, the two-way communication control circuit of charging Detection & Controling circuit is also electrically connected with the communication interface of charger.
7. an electric discharge device, comprises direct current machine, electric discharge device microprocessor, and direct current machine is connected by the both positive and negative polarity of reversing switch with extraneous power brick, it is characterized in that described electric discharge device also comprises:
Voltage check device, for gathering the voltage of power brick under electric discharge device microprocessor-based control;
Speed detector, for gathering the positional information of the present speed transducer of direct current machine under electric discharge device microprocessor-based control;
Current sensing means, for gathering the current working current of direct current machine under electric discharge device microprocessor-based control;
Speed regulating control FET, for controlling operating current or the operating voltage of direct current machine under electric discharge device microprocessor-based control;
Indicating device, for showing the operating state of electric discharge device under electric discharge device microprocessor-based control;
Two-way communication control circuit, has the single terminal interface of two-way communication, and described electric discharge device Microprocessor S3C44B0X two-way communication control circuit carries out information interaction by described bi-directional communication interface and extraneous power brick;
Source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and extraneous power brick are formed, current sensing means and a gate-controlled switch, electric discharge device microprocessor one end is electrically connected with the grid of described speed regulating control FET, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, one end of voltage check device is electrically connected with electric discharge device microprocessor, the other end is electrically connected with the positive terminal of power brick by described gate-controlled switch, described speed detector, current sensing means and indicating device are electrically connected with described electric discharge device microprocessor respectively, described electric discharge device microprocessor is also communicated with power brick by bidirectional communication control device,
Wherein, electric discharge device Microprocessor S3C44B0X two-way communication control circuit and power brick carry out information interaction, and control the operating current size of direct current machine in real time according to the Position Control speed regulating control FET of the current working current of the present speed of the temperature of the voltage of power brick, power brick, direct current machine, direct current machine, maximum discharge current and time conditions, termination discharging current and voltage conditions, temperature limited condition and gate-controlled switch.
8. a discharge system, comprise power brick and be electrically connected electric discharge device with power brick, it is characterized in that: described power brick comprises the battery core group with anode end and negative pole end, be connected to the battery detecting between described anode end and negative pole end and control circuit, the bi-directional communication interface be connected with control circuit with battery detecting, described electric discharge device comprises direct current machine, discharge examination and control circuit, speed regulating control FET, direct current machine is electrically connected by the anode end of reversing switch and described power brick and negative pole end, source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and described power brick are formed, described discharge examination and control circuit are connected between anode end and battery cathode end, described discharge examination and control circuit also with the grid of speed regulating control FET, the bi-directional communication interface of power brick is connected,
Described battery detecting and control circuit and discharge examination and control circuit carry out information interaction, and control according to the voltage of power brick, the temperature of power brick, the present speed of direct current machine, the current working current of direct current machine the operating current size that speed governing, maximum discharge current and time conditions, termination discharging current and voltage conditions, temperature limited condition and gate-controlled switch Position Control FET control direct current machine in real time.
9. discharge system according to claim 8, is characterized in that: described battery detecting and control circuit comprise voltage detecting circuit, temperature sensing circuit, balancing circuitry, power brick microprocessor, two-way communication control circuit and indicating device;
Described voltage detecting circuit, balancing circuitry, temperature sensing circuit are electrically connected with described battery core group and power brick microprocessor respectively, two-way communication control circuit, the indicating device of described battery detecting and control circuit are electrically connected with power brick microprocessor respectively, and described two-way communication control circuit is also connected with the bi-directional communication interface of power brick.
10. discharge system according to claim 8, it is characterized in that: described discharge examination and control circuit comprise electric discharge device microprocessor, gate-controlled switch, voltage check device, speed detector, bidirectional communication control device, current sensing means and indicating device;
Direct current machine is electrically connected by the positive terminal of reversing switch and described power brick and negative pole end, source electrode and the drain electrode of speed regulating control FET is also serially connected with in the loop that described direct current machine and described power brick are formed, current sensing means and gate-controlled switch, electric discharge device microprocessor one end is connected with the grid of described speed regulating control FET, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, one end of voltage check device is electrically connected with electric discharge device microprocessor, the other end is electrically connected with the positive terminal of power brick by gate-controlled switch, described speed detector, current sensing means and indicating device are electrically connected with described microprocessor respectively, described microprocessor is also electrically connected with the bi-directional communication interface of power brick by bidirectional communication control device.
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| CN201410424223.0A CN104242385A (en) | 2014-08-26 | 2014-08-26 | Battery pack, charger, charging system, discharging device and discharging system |
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| CN201410424223.0A CN104242385A (en) | 2014-08-26 | 2014-08-26 | Battery pack, charger, charging system, discharging device and discharging system |
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| CN201410424223.0A Pending CN104242385A (en) | 2014-08-26 | 2014-08-26 | Battery pack, charger, charging system, discharging device and discharging system |
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