CN204794241U - Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device - Google Patents
Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device Download PDFInfo
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- CN204794241U CN204794241U CN201520526869.XU CN201520526869U CN204794241U CN 204794241 U CN204794241 U CN 204794241U CN 201520526869 U CN201520526869 U CN 201520526869U CN 204794241 U CN204794241 U CN 204794241U
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Abstract
Provided is a controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device, (b) controllable discharge device that fills includes: DCDC converter 1, battery charging and discharging circuit 2, super capacitor 3, control circuit 4, auxiliary electrical power source 5. This DCDC converter 1 provides the direct current energy, charges for super capacitor 3 when battery charging and discharging circuit 2 is in the charged state. Super capacitor 3 stores and provides the energy and charge or discharged at the quilt that 2 during operations in the battery charging and discharging circuit correspond. Control circuit 4 received corresponding control signal to route output " output 1 " and " output 2 " of output behind signal input part's the signal, controlled the corresponding perhaps work of discharging of the work of charging of 2 execution in the battery charging and discharging circuit. Auxiliary electrical power source 5 provides the energy for control circuit 4. The utility model has the advantages of the both ends voltage of realizing the monomer super capacitor in the series connection super capacitor group is close the voltage -sharing effect that equals to but charge -discharge aplit -second control, leakage current are little, can prevent that super capacitor voltage is counter during the standby irritates, thereby promotes the reliability and the life of the super capacitor group that establishes ties. The utility model discloses a device can be applicable to the application scenario of charging of going on for super capacitor group or group battery.
Description
Technical field
The utility model relates to the charge and discharge device of super capacitor group or battery pack, particularly to be realized in super capacitor group by the operating state of control device own or the equalizer circuit of the controllable aerating electric discharge device of the super capacitor of each monomer or the electric voltage equalization of battery and the super capacitor based on this device in battery pack.
Background technology
Common super capacitor is double electrical layers mostly, there is the energy density more much higher than electrostatic condenser and the power density more much higher than battery, and have that charge/discharge rates is fast, efficiency is high, environmentally safe, have extended cycle life, serviceability temperature wide ranges, fail safe high.In recent years, ultracapacitor is as instantaneous, high power density energy storage device, and for multiple occasions such as electric locomotive startup, backup battery, city bus, future also can play a significant role in urban track traffic etc.
Due to technological reason, the rated voltage of super capacitor is general lower, and the rated operational voltage of monomer super capacitor, generally at about 2.8V, uses so in most cases need to connect; Parallel connection can increase capacity, but its terminal voltage is still very low, is still considered " monomer " super capacitor; Owing to often needing large current charge, electric discharge in application, due to series loop each monomer capacity, to be difficult to guarantee 100% identical again, is also difficult to ensure that the electric leakage of each monomer is also identical, like this, may occur that certain monomer voltage exceedes its withstand voltage upper limit when charging.The long-term work of ultracapacitor monomer, in overvoltage condition, is understood reduction of service life, and then is affected the performance of module, may cause electric capacity excessive pressure damages, may blast time serious.Therefore, the problem that super capacitor series connection use should be noted that is the electric voltage equalization problem between the super capacitor of series connection, namely the utility model said " all pressing " problem.
In existing scheme, some scheme solves voltage-sharing by the high-power little valued resistor of parallel connection to the method that super capacitor discharges, as shown in Figure 1, each super capacitor high-power little valued resistor in parallel, such leakage current also significantly increases thereupon, and loss strengthens, and the velocity of discharge is slow, all press effect poor, the loss that after removing charger, leakage current causes still exists, also have some schemes be by charger be super capacitor group charging, a DC/DC converter in parallel on each super capacitor again, by the work that controls corresponding DC/DC converter boost charge carried out to monomer super capacitor thus realize relatively all pressing, as shown in Figure 2, the available machine time re-establishing constant current charge from closed condition to DC/DC converter and need due to control DC/DC converter after the uneven signal of the voltage of monomer super capacitor being detected approximately needs about 10ms and even longer, therefore this method response speed is slower, and DC/DC converter controlled turn off after, voltage on super capacitor also can by the output equivalent resistance of DC/DC converter and output equivalent electric capacity be counter is poured on DC/DC converter, formed and instead fill with electric current, as shown in Figure 3, the reliability of DC/DC module will be had influence on, and DC/DC converter can only charge to super capacitor, cannot discharge.
The problem needing solution at present for existing deficiency such as to fill with for super-capacitor voltage when the leakage current that exists is large in the technology of pressure equalization of super capacitor charging, discharge and recharge response speed is slow, DC/DC converter is controlled to turn off is counter.
Utility model content
Large in order to solve the leakage current existed in the above-mentioned technology of pressure equalization for super capacitor charging, discharge and recharge response speed is slow, DC/DC converter is controlled to turn off the anti-problem such as to fill with of rear super-capacitor voltage, the utility model provides a kind of controllable aerating electric discharge device, go to control this device by inputting different control signals to this device charging is performed to monomer super capacitor, electric discharge, standby three kinds of operating states control the both end voltage of monomer super capacitor, thus realize making the monomer super capacitor that is charged or discharged relative to the both end voltage of other monomer super capacitor in series connected super-capacitor module close to equal all pressures effect, voltage-sharing inside the super capacitor group solving series connection with this between monomer super capacitor.
Corresponding therewith, the utility model also provides a kind of equalizer circuit of the super capacitor based on this controllable aerating electric discharge device.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of controllable aerating electric discharge device, for the Pressure and Control of super capacitor, the anode of the super capacitor comprising power output end and be connected in parallel with power output end and negative terminal, this power output end comprises output plus terminal and exports negative terminal, it is characterized in that: also comprise charge and discharge circuit, control circuit and accessory power supply, described charge and discharge circuit, comprise charhing unit and discharge cell, this charhing unit connects the anode of power supply output plus terminal and super capacitor respectively, and this discharge cell connects the anode of super capacitor, negative terminal and power supply respectively and exports negative terminal; Described accessory power supply, is connected with control circuit, with thinking that control circuit provides DC offset voltage Vcc; Described control circuit, two paths comprising two signal input parts and control by signal input part, this first path is formed between accessory power supply and charhing unit, alternate path is formed between accessory power supply and discharge cell, when the first signal input part is low level signal, when secondary signal input is high level signal, open the first path, the DC offset voltage Vcc of accessory power supply is made to put on charhing unit through the first path, then charhing unit conducting, by the charhing unit of conducting, power supply thinks that super capacitor charges; Meanwhile, alternate path is dragged down as power supply exports negative terminal current potential, and discharge cell turns off; When the first signal input part is high level signal, when secondary signal input is low level signal, the first path is dragged down as power supply exports negative terminal current potential, and charhing unit turns off; Meanwhile, alternate path is open-minded, and make the DC offset voltage Vcc of accessory power supply put on discharge cell through alternate path, then discharge cell is open-minded, thinks that super capacitor discharges; When the first signal input part and secondary signal input are high level signal, two paths are all dragged down as power supply exports negative terminal current potential, to cut off accessory power supply and charge and discharge circuit, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and makes power supply be in the operating state of output no-load simultaneously; When the first signal input part and secondary signal input are low level signal, turn off two paths, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and makes power supply be in the operating state of output no-load simultaneously.
Preferably, described charge and discharge circuit, comprise the charhing unit formed primarily of metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6, and primarily of metal-oxide-semiconductor S7, the discharge cell that diode D1 and resistance R7 is formed, the source electrode of described metal-oxide-semiconductor S5 connects power supply output plus terminal, the drain electrode of metal-oxide-semiconductor S5 is connected with the drain electrode of metal-oxide-semiconductor S6, the grid of metal-oxide-semiconductor S5 is connected with the grid of metal-oxide-semiconductor S6 and is connected to the first path output of control circuit, the source electrode of described metal-oxide-semiconductor S6 is connected with the drain electrode of metal-oxide-semiconductor S7 and is connected to the anode of super capacitor, the grid of metal-oxide-semiconductor S7 is connected to the alternate path output of control circuit, the source electrode of metal-oxide-semiconductor S7 connects the anode of diode D1, one end of the negative electrode contact resistance R7 of diode D1, the other end of resistance R7 connects the negative terminal that power supply exports negative terminal Vo-and super capacitor respectively, when the first path of control circuit is opened, the DC offset voltage Vcc of accessory power supply puts on the grid of metal-oxide-semiconductor S5 and the grid of metal-oxide-semiconductor S6 through the first path, make metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6 conducting, then power supply energy is that super capacitor charges through charhing unit, when the alternate path of control circuit is opened, the DC offset voltage Vcc of accessory power supply puts on the grid of metal-oxide-semiconductor S7 through alternate path, and make metal-oxide-semiconductor S7 conducting, then the energy of super capacitor discharges through discharge cell, when two paths of control circuit are in cut-out or off state, metal-oxide-semiconductor S5, S6, S7 are all in cut-off, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and make power supply be in the operating state of output no-load simultaneously.
Preferably, described control circuit, comprise metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 and resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, the drain electrode of described metal-oxide-semiconductor S1 is connected with the output Vcc of the drain electrode of metal-oxide-semiconductor S2, one end of resistance R1, one end of resistance R2 and accessory power supply respectively, and the grid of metal-oxide-semiconductor S1, the grid of metal-oxide-semiconductor S3, the other end of resistance R1, one end of resistance R5 are connected with the first signal input part of control circuit; The source electrode of metal-oxide-semiconductor S1 is connected with one end of the source electrode of metal-oxide-semiconductor S2, resistance R3, one end of resistance R4; The grid of metal-oxide-semiconductor S2, the grid of metal-oxide-semiconductor S4, the other end of resistance R2, one end of resistance R6 are connected with the second input signal end of control circuit; The drain electrode of metal-oxide-semiconductor S3 is connected with the other end of the other end of resistance R3, resistance R5, and draws as the first path output; The drain electrode of metal-oxide-semiconductor S4 is connected with the other end of the other end of resistance R4, resistance R6, and draws as alternate path output; The source electrode of metal-oxide-semiconductor S3 and the source electrode of metal-oxide-semiconductor S4 are connected respectively to power supply and export negative terminal, when the first signal input part is low level signal, when secondary signal input is high level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 end, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 conducting, the first path that the DC offset voltage Vcc of accessory power supply is formed by metal-oxide-semiconductor S2, resistance R3 outputs to charhing unit; When the first signal input part is high level signal, when secondary signal input is low level signal, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 end, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 conducting; The alternate path that the DC offset voltage Vcc voltage of accessory power supply is formed by metal-oxide-semiconductor S1, resistance R4 outputs to discharge cell; When the first signal input part and secondary signal input are high level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, the equal conducting of metal-oxide-semiconductor S4, make the current potential of two path output all be dragged down as power supply exports negative terminal current potential; When the first signal input part and secondary signal input are low level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 all end, and two paths are all turned off.
The utility model also provides a kind of equalizer circuit of super capacitor, comprises power supply, super capacitor and is connected to the above-mentioned controllable aerating electric discharge device between power supply and super capacitor, described power acquisition DC-DC converter.
The utility model separately also provides a kind of equalizer circuit of super capacitor, comprise power supply, super capacitor and be connected to the above-mentioned controllable aerating electric discharge device between power supply and super capacitor, described power supply is the direct voltage after transformer secondary rectifying and wave-filtering, and described accessory power supply derives from an auxiliary winding of transformer.
The beneficial effects of the utility model are: the utility model provides a kind of controllable aerating electric discharge device, go to control this device by inputting different control signals to this device charging is performed to monomer super capacitor, electric discharge, standby three kinds of operating states control the both end voltage of monomer super capacitor, thus realize making the monomer super capacitor that is charged or discharged relative to the both end voltage of other monomer super capacitor in series connected super-capacitor module close to equal all pressures effect, voltage-sharing inside the super capacitor group solving series connection with this between monomer super capacitor, and provide a discharge and recharge to control fast, leakage current is little, super-capacitor voltage anti-device of filling with can be prevented time standby, thus promote reliability and the useful life of the super capacitor group of series connection.
The utility model can be applied in the inside of power inverter, also can be applied in the outside of power inverter, also can be applied in the input front end of super capacitor or battery.
Control device of the present utility model goes for super capacitor group for series connection uses or battery pack carries out the Pressure and Control application scenario of discharge and recharge.
Accompanying drawing explanation
Fig. 1 is the charging scheme circuit structure block diagram of the existing super capacitor group charging be made up of n monomer super capacitor;
Fig. 2 is the charging scheme circuit structure block diagram of the super capacitor group charging that existing another kind is made up of n monomer super capacitor;
Fig. 3 is in Fig. 2 scheme after DC/DC converter is controlled shutoff, the anti-filling current direction schematic diagram of monomer super capacitor;
Fig. 4 is the circuit theory diagrams of the controllable aerating electric discharge device of the utility model first embodiment;
Fig. 5 is the circuit theory diagrams that the utility model first embodiment controllable aerating electric discharge device is applied to the super capacitor group of n monomer super capacitor composition;
Fig. 6 is the circuit theory diagrams of the controllable aerating electric discharge device of the utility model second embodiment.
The utility model can be applied in the inside of power inverter, also can be applied in the outside of power inverter, also can be applied in the input front end of super capacitor or battery.
Embodiment
Case study on implementation one
Further illustrate to the utility model below in conjunction with Fig. 4:
A kind of controllable aerating electric discharge device, comprising: DC/DC converter 1, charge and discharge circuit 2, super capacitor 3, control circuit 4, accessory power supply 5.
The output of DC/DC converter 1 is connected to the input of charge and discharge circuit 2, the output of charge and discharge circuit 2 is connected with super capacitor 3, the DC offset voltage Vcc that accessory power supply 5 exports outputs to the Vcc input of control circuit 4, two paths A, B that control circuit 4 comprises two signal input parts Charge, Discharge and controls by signal input part, two signal input parts Charge, Discharge of this control circuit 4 are used for being connected with two signal ends of signal input part respectively; Path A is formed between accessory power supply and charhing unit, path B is formed between accessory power supply and discharge cell, and output Output1, Output2 of two paths A, B of control circuit 4 connect the charhing unit of charge and discharge circuit 2 and the control input end of discharge cell respectively.The input signal of two signal input parts Charge, Discharge derives from the external control unit outside outside this device.
DC/DC converter can be the power inverter that a kind of direct current exports, also can be the direct current output of power inverter, it exports Vo+ and connects the input of charge and discharge circuit, and it exports the reference point of Vo-and charge and discharge circuit, the negative pole of super capacitor, the reference point of control circuit, the reference point of signal input part, the reference point of accessory power supply are connected.
Charge and discharge circuit 2, comprises charhing unit and discharge cell, and this charhing unit connects the anode of power supply output plus terminal and super capacitor respectively, and this discharge cell connects the anode of super capacitor, negative terminal and power supply respectively and exports negative terminal, this charhing unit is formed primarily of metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6, this discharge cell is primarily of metal-oxide-semiconductor S7, diode D1 and resistance R7 is formed, wherein, the source electrode of metal-oxide-semiconductor S5 connects the Vo+ of DC/DC converter, the grid of metal-oxide-semiconductor S5 is connected with the grid of metal-oxide-semiconductor S6 and is connected to the path output Output1 of control circuit 4, the drain electrode of metal-oxide-semiconductor S5 is connected with the drain electrode of metal-oxide-semiconductor S6, the source electrode of metal-oxide-semiconductor S6 is connected with the drain electrode of metal-oxide-semiconductor S7 and is connected to the positive pole of super capacitor, the grid of metal-oxide-semiconductor S7 is connected to the path output Output2 of control circuit 4, the source electrode of metal-oxide-semiconductor S7 connects the anode of diode D1, one end of the negative electrode contact resistance R7 of diode D1, the other end of resistance R7 connects the output negative terminal Vo-of DC/DC converter and is connected to the negative pole of super capacitor.
Super capacitor can be a monomer super capacitor in the super capacitor group of serial connection charge, also can be a cell in the battery pack of serial connection charge; Super capacitor is charged by device of the present utility model or discharges under different state of a controls.
This control circuit 4 comprises metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 and resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6.The drain electrode of metal-oxide-semiconductor S1 is connected with the output Vcc of the drain electrode of metal-oxide-semiconductor S2, one end of resistance R1, one end of resistance R2 and accessory power supply respectively; The grid of metal-oxide-semiconductor S1, the grid of metal-oxide-semiconductor S3, the other end of resistance R1, one end of resistance R5 are connected with signal input part Charge; The source electrode of metal-oxide-semiconductor S1 is connected with one end of the source electrode of metal-oxide-semiconductor S2, resistance R3, one end of resistance R4; The grid of metal-oxide-semiconductor S2, the grid of metal-oxide-semiconductor S4, the other end of resistance R2, one end of resistance R6 are connected with input signal end Discharge; The drain electrode " Output1 " of metal-oxide-semiconductor S3 is connected with the other end of resistance R3, the other end of resistance R5, and draws as path output Output1; The drain electrode of metal-oxide-semiconductor S4 is connected with the other end of the other end of resistance R4, resistance R6, and draws as path output Output2; Metal-oxide-semiconductor S3 is connected with the source electrode of metal-oxide-semiconductor S4 and is connected to the output negative terminal Vo-of DC/DC converter.
This signal input part comprises two ports: " Charge " port and " Discharge " port.
This accessory power supply 5 exports a DC offset voltage Vcc, for control circuit 4 is powered, also can power for other control chip simultaneously.
Principles illustrated:
A kind of controllable aerating electric discharge device, remove to control this device to the both end voltage that monomer super capacitor performs charging, electric discharge, standby three kinds of operating states control monomer super capacitor by inputting different control signals to this device, thus realize making the monomer super capacitor that is charged or discharged relative to the both end voltage of other monomer super capacitor in series connected super-capacitor module close to equal all pressures effect, voltage-sharing inside the super capacitor group solving series connection with this between monomer super capacitor, its operation principle is as follows:
Under DC/DC converter is in holding state, when " Charge " port is relative to reference point input low level signal, " Discharge " port relative to reference point input high level signal or unsettled time, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 ends, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 conducting, the Vcc voltage of accessory power supply 5 is by metal-oxide-semiconductor S2, resistance R3 also outputs to " Output1 " after resistance R5 dividing potential drop, put on metal-oxide-semiconductor S5, the grid of metal-oxide-semiconductor S6, its grid-source voltage is made to be greater than the turn-on threshold voltage of corresponding metal-oxide-semiconductor, metal-oxide-semiconductor S5, metal-oxide-semiconductor S6 conducting, DC/DC converter energy is through metal-oxide-semiconductor S5, metal-oxide-semiconductor S6 is super capacitor charging.In addition due to metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 conducting, the output voltage that " Output2 " holds drags down by metal-oxide-semiconductor S4, and metal-oxide-semiconductor S7 is in cut-off state, and namely discharge cell turns off.Controllable aerating electric discharge device works in charged state, and power inverter is that super capacitor charges.
Under DC/DC converter is in holding state, when " Charge " port relative to reference point input high level signal or unsettled, " Discharge " port relative to reference point input low level signal time, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 end, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 conducting; Vcc voltage is by metal-oxide-semiconductor S1, resistance R4 also outputs to " Output2 " end after resistance R6 dividing potential drop, put on the grid of metal-oxide-semiconductor S7, make its grid-source voltage higher than the turn-on threshold voltage of corresponding metal-oxide-semiconductor, metal-oxide-semiconductor S7 conducting, namely discharge cell is open-minded, and super capacitor electric energy discharges electric energy through metal-oxide-semiconductor S7, diode D1, resistance R7.In addition due to metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 conducting, the output voltage that " Output1 " holds drags down by metal-oxide-semiconductor S3, and metal-oxide-semiconductor S5, metal-oxide-semiconductor S6 are in cut-off state, and namely charhing unit turns off.Controllable aerating electric discharge device works in discharge condition, and for super capacitor discharges, DC/DC converter is in the operating state of output no-load simultaneously.
Under DC/DC converter is in holding state, when " Charge " port and " Discharge " port all relative to reference point input high level signal or unsettled time, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, the equal conducting of metal-oxide-semiconductor S4, then two path output Output1, the current potential of Output2 is all dragged down as power supply exports negative terminal current potential, make " Output2 ", " Output1 " be output low level voltage all, metal-oxide-semiconductor S5, metal-oxide-semiconductor S6, metal-oxide-semiconductor S7 is all in cut-off state, controllable aerating electric discharge device works in the holding state neither charging and also do not discharge, DC/DC converter is in the operating state of output no-load simultaneously.
Under DC/DC converter is in holding state, when " Charge " port and " Discharge " port are all relative to reference point input low level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 all end, then two paths are all turned off, " Output2 ", " Output1 " be output LOW voltage all, metal-oxide-semiconductor S5, metal-oxide-semiconductor S6, metal-oxide-semiconductor S7 are all in cut-off state, controllable aerating electric discharge device works in the holding state neither charging and also do not discharge, and DC/DC converter is in the operating state of output no-load simultaneously.
Above-mentioned charge and discharge circuit 2 has a feature to be that, when charhing unit is opened, discharge cell turns off; When discharge cell is opened, charhing unit turns off; Namely charhing unit and discharge cell can turn off simultaneously, but can not be simultaneously open-minded.
The feature of above-mentioned charge and discharge circuit 2 is also metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6 two metal-oxide-semiconductor Opposite direction connections, the source electrode of metal-oxide-semiconductor S7 is connected with the anode of diode D1, prevents capacitance voltage anti-effect of filling with when controllable aerating electric discharge device can play standby.
It is unsettled that above-mentioned " unsettled " is not that MOS truly drives, but port is unsettled, and namely " Charge " port and/or " Discharge " port " can not connect input signal " or the meaning of " no signal input ".
As shown in Figure 5, for the utility model controllable aerating electric discharge device is applied to the circuit theory diagrams in the super capacitor group of n monomer super capacitor composition.
Case study on implementation two
The circuit structure block diagram of case study on implementation two, see Fig. 6, the difference of the implementation case and case study on implementation one is that the accessory power supply voltage source of the implementation case is in an auxiliary winding of transformer, the direct voltage after the input termination secondary rectifying and wave-filtering of the charge and discharge circuit of the implementation case.Other annexation and the case study on implementation one of the implementation case are unanimous on the whole, do not repeat them here.
Execution mode of the present utility model is not limited thereto; according to foregoing of the present utility model; utilize ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; the utility model can also make the amendment of other various ways, replacement or change, all drops within the utility model rights protection scope.
Claims (5)
1. a controllable aerating electric discharge device, for the Pressure and Control of super capacitor, the anode of the super capacitor comprising power output end and be connected in parallel with power output end and negative terminal, this power output end comprises output plus terminal and exports negative terminal, it is characterized in that: also comprise charge and discharge circuit, control circuit and accessory power supply
Described charge and discharge circuit, comprises charhing unit and discharge cell, and this charhing unit connects the anode of power supply output plus terminal and super capacitor respectively, and this discharge cell connects the anode of super capacitor, negative terminal and power supply respectively and exports negative terminal;
Described accessory power supply, is connected with control circuit, with thinking that control circuit provides DC offset voltage Vcc;
Described control circuit, two paths comprising two signal input parts and control by signal input part, this first path is formed between accessory power supply and charhing unit, and alternate path is formed between accessory power supply and discharge cell,
When the first signal input part is low level signal, when secondary signal input is high level signal, open the first path, the DC offset voltage Vcc of accessory power supply is made to put on charhing unit through the first path, then charhing unit conducting, by the charhing unit of conducting, power supply thinks that super capacitor charges; Meanwhile, alternate path is dragged down as power supply exports negative terminal current potential, and discharge cell turns off;
When the first signal input part is high level signal, when secondary signal input is low level signal, the first path is dragged down as power supply exports negative terminal current potential, and charhing unit turns off; Meanwhile, alternate path is open-minded, and make the DC offset voltage Vcc of accessory power supply put on discharge cell through alternate path, then discharge cell is open-minded, thinks that super capacitor discharges;
When the first signal input part and secondary signal input are high level signal, two paths are all dragged down as power supply exports negative terminal current potential, to cut off accessory power supply and charge and discharge circuit, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and makes power supply be in the operating state of output no-load simultaneously;
When the first signal input part and secondary signal input are low level signal, turn off two paths, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and makes power supply be in the operating state of output no-load simultaneously.
2. controllable aerating electric discharge device according to claim 1, is characterized in that: described charge and discharge circuit, comprises the charhing unit formed primarily of metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6, and primarily of the discharge cell that metal-oxide-semiconductor S7, diode D1 and resistance R7 are formed,
The source electrode of described metal-oxide-semiconductor S5 connects power supply output plus terminal, the drain electrode of metal-oxide-semiconductor S5 is connected with the drain electrode of metal-oxide-semiconductor S6, the grid of metal-oxide-semiconductor S5 is connected with the grid of metal-oxide-semiconductor S6 and is connected to the first path output of control circuit, the source electrode of described metal-oxide-semiconductor S6 is connected with the drain electrode of metal-oxide-semiconductor S7 and is connected to the anode of super capacitor, the grid of metal-oxide-semiconductor S7 is connected to the alternate path output of control circuit, the source electrode of metal-oxide-semiconductor S7 connects the anode of diode D1, one end of the negative electrode contact resistance R7 of diode D1, the other end of resistance R7 connects the negative terminal that power supply exports negative terminal Vo-and super capacitor respectively,
When the first path of control circuit is opened, the DC offset voltage Vcc of accessory power supply puts on the grid of metal-oxide-semiconductor S5 and the grid of metal-oxide-semiconductor S6 through the first path, make metal-oxide-semiconductor S5 and metal-oxide-semiconductor S6 conducting, then power supply energy is that super capacitor charges through charhing unit;
When the alternate path of control circuit is opened, the DC offset voltage Vcc of accessory power supply puts on the grid of metal-oxide-semiconductor S7 through alternate path, and make metal-oxide-semiconductor S7 conducting, then the energy of super capacitor discharges through discharge cell;
When two paths of control circuit are in cut-out or off state, metal-oxide-semiconductor S5, S6, S7 are all in cut-off, then this controllable aerating electric discharge device is in the holding state neither charging and also do not discharge, and make power supply be in the operating state of output no-load simultaneously.
3. controllable aerating electric discharge device according to claim 1, it is characterized in that: described control circuit, comprise metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 and resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, the drain electrode of described metal-oxide-semiconductor S1 is connected with the output Vcc of the drain electrode of metal-oxide-semiconductor S2, one end of resistance R1, one end of resistance R2 and accessory power supply respectively, and the grid of metal-oxide-semiconductor S1, the grid of metal-oxide-semiconductor S3, the other end of resistance R1, one end of resistance R5 are connected with the first signal input part of control circuit; The source electrode of metal-oxide-semiconductor S1 is connected with one end of the source electrode of metal-oxide-semiconductor S2, resistance R3, one end of resistance R4; The grid of metal-oxide-semiconductor S2, the grid of metal-oxide-semiconductor S4, the other end of resistance R2, one end of resistance R6 are connected with the second input signal end of control circuit; The drain electrode of metal-oxide-semiconductor S3 is connected with the other end of the other end of resistance R3, resistance R5, and draws as the first path output; The drain electrode of metal-oxide-semiconductor S4 is connected with the other end of the other end of resistance R4, resistance R6, and draws as alternate path output; The source electrode of metal-oxide-semiconductor S3 and the source electrode of metal-oxide-semiconductor S4 are connected respectively to power supply and export negative terminal,
When the first signal input part is low level signal, when secondary signal input is high level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 end, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 conducting, and the first path that the DC offset voltage Vcc of accessory power supply is formed by metal-oxide-semiconductor S2, resistance R3 outputs to charhing unit;
When the first signal input part is high level signal, when secondary signal input is low level signal, metal-oxide-semiconductor S2, metal-oxide-semiconductor S4 end, metal-oxide-semiconductor S1, metal-oxide-semiconductor S3 conducting; The alternate path that the DC offset voltage Vcc voltage of accessory power supply is formed by metal-oxide-semiconductor S1, resistance R4 outputs to discharge cell;
When the first signal input part and secondary signal input are high level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, the equal conducting of metal-oxide-semiconductor S4, make the current potential of two path output all be dragged down as power supply exports negative terminal current potential;
When the first signal input part and secondary signal input are low level signal, metal-oxide-semiconductor S1, metal-oxide-semiconductor S2, metal-oxide-semiconductor S3, metal-oxide-semiconductor S4 all end, and two paths are all turned off.
4. an equalizer circuit for super capacitor, comprises power supply, super capacitor and is connected to the controllable aerating electric discharge device according to any one of claims 1 to 3 between power supply and super capacitor, it is characterized in that: described power acquisition DC-DC converter.
5. the equalizer circuit of a super capacitor, comprise power supply, super capacitor and be connected to the controllable aerating electric discharge device according to any one of claims 1 to 3 between power supply and super capacitor, it is characterized in that: described power supply is the direct voltage after transformer secondary rectifying and wave-filtering, described accessory power supply derives from an auxiliary winding of transformer.
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| CN201520526869.XU CN204794241U (en) | 2015-07-20 | 2015-07-20 | Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006860A (en) * | 2015-07-20 | 2015-10-28 | 广州金升阳科技有限公司 | Controllable charge and discharge apparatus and voltage-equalizing circuit of a supercapacitor based on apparatus |
| CN109212509A (en) * | 2018-09-21 | 2019-01-15 | 西安电子科技大学 | A kind of high-pass filter for Laser radar receiver |
| CN110391849A (en) * | 2019-07-25 | 2019-10-29 | 广东工业大学 | A kind of communication system, unmanned plane and the communication means based on unmanned plane, equipment |
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2015
- 2015-07-20 CN CN201520526869.XU patent/CN204794241U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006860A (en) * | 2015-07-20 | 2015-10-28 | 广州金升阳科技有限公司 | Controllable charge and discharge apparatus and voltage-equalizing circuit of a supercapacitor based on apparatus |
| CN105006860B (en) * | 2015-07-20 | 2018-06-26 | 广州金升阳科技有限公司 | A kind of equalizer circuit of controllable charge and discharge device and the super capacitor based on this device |
| CN109212509A (en) * | 2018-09-21 | 2019-01-15 | 西安电子科技大学 | A kind of high-pass filter for Laser radar receiver |
| CN109212509B (en) * | 2018-09-21 | 2021-07-16 | 西安电子科技大学 | High-pass filter for laser radar receiver |
| CN110391849A (en) * | 2019-07-25 | 2019-10-29 | 广东工业大学 | A kind of communication system, unmanned plane and the communication means based on unmanned plane, equipment |
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