CN210957896U - Quick start power supply - Google Patents
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- CN210957896U CN210957896U CN201921874313.4U CN201921874313U CN210957896U CN 210957896 U CN210957896 U CN 210957896U CN 201921874313 U CN201921874313 U CN 201921874313U CN 210957896 U CN210957896 U CN 210957896U
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Abstract
The application relates to a quick-start power supply, which comprises a working power supply, wherein the working power supply comprises a super capacitor bank, an energy storage device, a charging module and a discharging module; the charging module comprises a capacitor charging submodule and an energy storage charging submodule; the discharging module comprises a control submodule and an electric quantity supplementing submodule; the capacitor charging sub-module charges the super capacitor bank; when the super capacitor bank is fully charged, the energy storage charging submodule is conducted to charge the energy storage device; the control submodule is electrically connected with the energy storage device and the super capacitor bank, and the electric quantity supplementing submodule is electrically connected with the control submodule; when the control submodule detects that the super capacitor bank is equal to or smaller than the specified voltage, the control submodule controls the electric quantity supplementing submodule to be conducted, and the energy storage device supplements and discharges the super capacitor bank. The power amplifier can amplify power for quick charging, has long endurance time and stable charging, can drive load to work in time, and can prolong the service life.
Description
Technical Field
The present disclosure relates to the field of electronic components, and in particular, to a fast start power supply.
Background
In the fields of various outdoor monitoring terminals, power grid terminals, internet of things terminals and the like, because no power grid is on site to directly provide energy, the energy is acquired by adopting the modes such as solar battery power generation, PT of a high-voltage power line and the like. The power supply modes provide low power or low improved power stability, and the power supply modes are often difficult to apply to places needing short-time or transient large loads.
At present, rechargeable batteries are often used in such occasions as described above as energy storage sources, and the obtained energy is firstly stored in the batteries, and meanwhile, the loads are powered by a traditional control power supply. But since the control power supply itself mainly functions to convert the power supply current and voltage and protect the battery, without the power amplification, it is necessary to supply sufficient power to the load entirely from the battery. Therefore, in the situation of high power requirement, the battery must have a large enough capacity to provide enough power, so that the waiting time for charging is long, and it is difficult to drive the load in time.
Disclosure of Invention
In view of this, the present disclosure provides a fast start power supply, which can amplify power and charge quickly, has a long endurance time and stable charging, can drive a load to work in time, and can increase a service life.
According to one aspect of the disclosure, a quick start power supply is provided, which includes a working power supply, the working power supply includes a super capacitor bank, an energy storage device, a charging module and a discharging module;
the charging module is suitable for charging the super capacitor bank and the energy storage device by an energy supply power source, and the discharging module is suitable for discharging load by the energy storage device and the super capacitor bank and compensating discharging of the super capacitor bank by the energy storage device;
the charging module comprises a capacitor charging submodule and an energy storage charging submodule;
the discharging module comprises a control submodule and an electric quantity supplementing submodule;
the capacitor charging submodule is electrically connected with the positive electrode of the super capacitor bank to charge the super capacitor bank;
the energy storage charging sub-module is electrically connected with the super capacitor bank, and when the super capacitor bank is full, the energy storage charging sub-module is conducted to charge the energy storage device;
the control submodule is electrically connected with the energy storage device and the super capacitor bank, and the electric quantity supplementing submodule is electrically connected with the control submodule;
when the control submodule detects that the super capacitor bank is equal to or smaller than a specified voltage, the control submodule controls the electric quantity supplementing submodule to be conducted, and the energy storage device supplements and discharges the super capacitor bank.
In one possible implementation manner, the energy storage charging submodule includes a voltage detection unit and an energy storage unit;
the input end of the voltage detection unit is electrically connected with the anode of the super capacitor bank, and the output end of the voltage detection module is electrically connected with the input end of the energy storage unit;
the energy storage unit is electrically connected with the energy storage device, so that the power supply is suitable for charging the energy storage device;
when the voltage detection unit detects that the super capacitor bank is fully charged, the energy storage unit is conducted, and the energy storage device is charged.
In one possible implementation, the energy storage unit includes a first transistor T1, a relay coil KT1, and a relay contact K1;
the first transistor T1 is of an N type, a base of the first transistor T1 is electrically connected with an output terminal of the voltage detection unit, a collector of the first transistor T1 is electrically connected with an input terminal of the relay coil KT1, and an emitter of the first transistor T1 is grounded;
the output end of the relay coil KT1 is electrically connected with the input end of the control submodule, and the relay coil KT1 is used for controlling the on and off of the relay contact K1;
one end of the relay contact K1 is suitable for being electrically connected with the energy supply source, and the other end of the relay contact K1 is electrically connected with the energy storage device;
when the relay coil KT1 is electrified, the relay contact K1 is closed, and the energy storage device is charged.
In a possible implementation manner, the voltage detection module further comprises a first diode D1, an anode of the first diode D1 is electrically connected with the output end of the power replenishing submodule, and a cathode of the first diode D1 is electrically connected with the input end of the voltage detection unit.
In one possible implementation, the energy storage unit further includes a second diode D2, and the relay coil KT1 is connected in parallel with the second diode D2;
an anode of the second diode D2 is electrically connected to a collector of the first transistor T1, and a cathode of the second diode D2 is electrically connected to an output terminal of the relay coil KT 1.
In a possible implementation manner, the capacitor charging device further includes a fourth diode D4, and the capacitor charging unit is a third diode D3;
the anode of the third diode D3 is suitable for being electrically connected with the energy supply source, and the cathode of the third diode D3 is electrically connected with the anode of the super capacitor bank;
the anode of the fourth diode D4 is electrically connected with the anode of the super capacitor bank, and the cathode of the fourth diode D4 is suitable for being electrically connected with a load.
In one possible implementation, the control submodule includes an under-voltage turn-off unit, a detection supplementary unit, a working control unit and a second transistor T2;
the undervoltage turn-off unit is connected with the detection supplement unit in parallel, and the undervoltage turn-off unit and the detection supplement unit are connected with the work control unit in series after being connected in parallel;
the input end of the under-voltage turn-off unit is electrically connected with the output end of the energy storage device, and the output end of the under-voltage turn-off unit is electrically connected with the input end of the work control module;
the input end of the detection supplement unit is electrically connected with the super capacitor bank, and the output end of the detection supplement unit is electrically connected with the work control unit;
the output end of the work control unit is electrically connected with the base electrode of the second transistor T2, the second transistor T2 is of a P type, the emitter electrode of the second transistor T2 is used for electrically connecting the input end of the load, and the collector electrode of the second transistor T2 is electrically connected with the input end of the electric quantity supplementing submodule.
In one possible implementation manner, the power supplement sub-module includes a PWM driving unit, a third transistor T3, a first inductor L1, a current detection unit, an output feedback unit, a current feedback unit, a second inductor L2, a fifth diode D5, a sixth diode D6, and a seventh diode D7;
the input end of the first inductor L1 is electrically connected with the output end of the energy storage device, the output end of the first inductor L1 is electrically connected with the anode of a fifth diode D5, the cathode of the fifth diode D5 is electrically connected with the input end of the second inductor L2, and the second inductor L2 is suitable for supplementing electric quantity to a load function and the super capacitor bank;
the third transistor T3 is an N-channel MOS transistor, a drain of the third transistor T3 is electrically connected to an input terminal of the first inductor L1, a source of the third transistor T3 is electrically connected to an input terminal of the current detection unit and an input terminal of the PWM driving unit, the current detection unit is connected in parallel to the PWM driving unit, and a gate of the third transistor T3 is electrically connected to an output terminal of the PWM driving unit;
the input end of the output feedback unit is electrically connected with the cathode of the fifth diode D5, the output end of the output feedback unit is electrically connected with the anode of the sixth diode D6, and the cathode of the sixth diode is electrically connected with the input end of the PWM driving unit;
the current feedback unit is connected in parallel to the second inductor L2, the input end of the current feedback unit is electrically connected with the output end of the second inductor L2, and the output end of the current feedback unit is electrically connected with the input end of the second inductor L2;
an anode of the seventh diode D7 is electrically connected to the output terminal of the current feedback unit, and a cathode of the seventh diode D7 is electrically connected to the input terminal of the PWM driving unit.
In a possible implementation manner, the super capacitor bank power supply further comprises an alarm module, wherein an input end of the alarm module is electrically connected with a negative electrode of the super capacitor bank, and an output end of the alarm module is electrically connected with a positive electrode of the super capacitor bank so as to detect electric quantity of the super capacitor bank;
and when the voltage of the super capacitor bank is less than the preset voltage, the alarm module sends out an alarm signal.
In one possible implementation, the supercapacitor set comprises a plurality of capacitor cells and a balancing circuit;
a plurality of the capacitor units are connected in series or in parallel on the balancing circuit;
the energy storage device is a storage battery or a super capacitor bank.
According to the quick-start power supply, the low-power or unstable energy supply power supplies firstly transmit energy to the super capacitor bank through the capacitor charging submodule and amplify the power through the super capacitor bank. The supercapacitor bank was filled in a very short time (24V between approximately 1.5 and 2 minutes). After the super capacitor bank is full of charge, the energy storage charging submodule is conducted, and the energy supply power supply supplements the energy storage device with electric quantity, so that the stored electric quantity can be improved, and the power supply time for the load is prolonged. When power is supplied, the super capacitor bank directly supplies power to the load, after the voltage of the super capacitor bank is reduced, the control submodule controls the electric quantity supplementing submodule to be conducted, and the energy storage device charges the super capacitor bank, so that the super capacitor bank is ensured to be in a state close to full power, and the energy storage device also supplies power to the load. The electric quantity supplementing submodule changes the voltage and the current into constant current and constant voltage to be output. When the voltage of the energy storage device reaches the discharge electrode limit voltage, the control submodule disconnects the electric quantity supplementing submodule and stops supplying power to the load. In conclusion, the quick-start power supply provided by the embodiment of the disclosure has the advantages of quick charging time, long endurance time, stable charging, capability of timely driving load to work and capability of prolonging the service life.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.
Fig. 1 shows a topology structure diagram of an operating power supply of a rapid start power supply according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.
Fig. 1 shows a topology diagram of an operating power supply of a fast-start power supply according to an embodiment of the present disclosure. As shown in fig. 1, the fast start power supply includes: the power supply system comprises a working power supply, and an energy supply power supply supplies power to a load after being converted by the working power supply. The working power supply comprises a super capacitor bank 100, an energy storage device 200, a charging module 300 and a discharging module 400. The charging module 300 is suitable for charging the super capacitor bank 100 and the energy storage device 200 by an energy supply, and the discharging module 400 is suitable for discharging the energy storage device 200, the super capacitor bank 100 to a load, and the energy storage device 200 to the super capacitor bank 100 for compensation discharge. The charging module 300 includes a capacitive charging sub-module and an energy storage charging sub-module 310. The discharging module 400 includes a control sub-module 410 and a power replenishment sub-module 420. The capacitor charging submodule is electrically connected with the positive electrode of the super capacitor bank 100 and charges the super capacitor bank 100, and the negative electrode of the super capacitor bank 100 is grounded. The energy storage charging sub-module 310 is electrically connected with the super capacitor bank 100, and when the super capacitor bank 100 is fully charged, the energy storage charging sub-module 310 is conducted to charge the energy storage device 200. The control sub-module 410 is electrically connected with the energy storage device 200 and the super capacitor bank 100, the electric quantity supplementing sub-module 420 is electrically connected with the control sub-module 410, when the control sub-module 410 detects that the voltage of the super capacitor bank 100 is equal to or lower than a specified voltage, the control sub-module 410 controls the electric quantity supplementing sub-module 420 to be conducted, and the energy storage device 200 supplements and discharges electricity to the super capacitor bank 100.
In the embodiment of the present disclosure, the power supply is started quickly, and the low-power or unstable energy supply firstly transmits energy to the super capacitor bank 100 through the capacitor charging submodule, and amplifies the power through the super capacitor bank 100. The supercapacitor pack 100 is filled in a short time (between about 1.5 and 2 minutes at 24V). After the super capacitor bank 100 is detected to be full, the energy storage charging submodule 310 is turned on, and the energy supply power supplies the energy storage device 200 with electric quantity, so that the stored electric quantity can be increased, and the power supply time for the load can be prolonged. When power is supplied, the super capacitor bank 100 directly supplies power to the load, and when the voltage of the super capacitor bank 100 is reduced, the control sub-module 410 controls the electric quantity supplementing sub-module 420 to be conducted, and the energy storage device 200 charges the super capacitor bank 100, so that the super capacitor bank 100 is in a state close to full power, and the energy storage device 200 also supplies power to the load. The power supply sub-module 420 converts the voltage and current into a constant current and a constant voltage for output. When the voltage of the energy storage device 200 reaches the discharge limit voltage, the control sub-module 410 disconnects the power replenishment sub-module 420 and stops supplying power to the load. In conclusion, the quick-start power supply provided by the embodiment of the disclosure has the advantages of quick charging time, long endurance time, stable charging, capability of timely driving load to work and capability of prolonging the service life.
Because, this disclosed embodiment a quick start power supply is used for many microthermal outdoor occasions for a long time, and the battery driving capability is weak or even can't work under microthermal condition, and super capacitor's low temperature resistant characteristic makes this disclosed embodiment a quick start power supply can normally work at low temperature in time. The super capacitor can normally work under the condition of more than-40 ℃ in general, and can work at even lower temperature according to the difference of the low temperature resistance of the super capacitor.
Here, it should also be noted that the energy supply source may be a power grid, a solar power supply, a CT induction power supply, a capacitive voltage division power supply, and the like, and is not limited thereto, and may also be a plurality of power supply modes.
In a possible implementation manner, the energy storage device 200 may not be provided, but only the super capacitor bank 100 and the capacitor charging sub-module are provided, the super capacitor bank 100 is electrically connected to a load, the super capacitor bank 100 is charged by the energy supply directly through the capacitor charging sub-module, after the super capacitor bank 100 is fully charged, the load is turned on, and the super capacitor bank 100 supplies power to the load.
In one possible implementation, the energy storage charging submodule 310 includes a voltage detection unit 311 and an energy storage unit 312. The input end of the voltage detection unit 311 is electrically connected to the positive electrode of the super capacitor bank 100, and the output end of the voltage detection module 311 is electrically connected to the input end of the energy storage unit 312. The energy storage unit 312 is electrically connected to the energy storage device 200, so that the energy supply source is adapted to charge the energy storage device 200. When the voltage detection unit 311 detects that the super capacitor bank 100 is fully charged, the energy storage unit 312 is turned on, and the energy storage device 200 is charged.
Therefore, the voltage detection unit 311 can be controlled to be switched on after the super capacitor bank 100 is fully charged, so that the energy storage device 200 can be charged by the energy supply, and the state of the super capacitor bank 100 can be better monitored.
Further, in a possible implementation, the energy storage unit 312 includes a first transistor T1, a relay coil KT1, and a relay contact K1. The first transistor T1 is of an N-type, a base of the first transistor T1 is electrically connected to an output terminal of the voltage detection unit 311, a collector of the first transistor T1 is electrically connected to an input terminal of the relay coil KT1, and an emitter of the first transistor T1 is grounded. The output end of the relay coil KT1 is electrically connected with the input end of the control submodule 410, the relay coil KT1 is used for controlling the on and off of the relay contact K1, one end of the relay contact K1 is suitable for being electrically connected with an energy supply source, and the other end of the relay contact K1 is electrically connected with the energy storage device 200. When the relay coil KT1 is energized, the relay contact K1 is closed to charge the energy storage device 200.
Here, it should be noted that the relay contact K1 is a normally open contact, and the relay contact K1 is in an open state when no current flows through the relay contact K1.
Further, in a possible implementation manner, the energy storage unit 312 further includes a second diode D2, and the relay coil KT1 is connected in parallel with the second diode D2. An anode of the second diode D2 is electrically connected to a collector of the first transistor T1, and a cathode of the second diode D2 is electrically connected to an output terminal of the relay coil KT 1. The second diode D2 functions to protect the relay coil KT 1.
In a possible implementation manner, the fast-start power supply of the embodiment of the disclosure further includes a first diode D1, an anode of the first diode D1 is electrically connected to the output terminal of the power replenishing sub-module 420, and a cathode of the first diode D1 is electrically connected to the input terminal of the voltage detecting unit 311. The first diode D1 is used to prevent the current of the super capacitor set 100 from flowing back to the power replenishing unit, and plays a role in protecting the power replenishing unit.
In a possible implementation manner, the rapid-start power supply according to the embodiment of the disclosure further includes a fourth diode D4, and the capacitor charging unit is a third diode D3. The anode of the third diode D3 is adapted to be electrically connected to an energy source, and the cathode of the third diode D3 is electrically connected to the anode of the supercapacitor pack 100. The anode of the fourth diode D4 is electrically connected to the anode of the supercapacitor pack 100, and the cathode of the fourth diode D4 is adapted to be electrically connected to a load. The third diode D3 functions to prevent current from flowing backward to the power supply, thereby protecting the power supply. The fourth diode D4 functions to protect the reverse flow of current from the load to the supercapacitor pack 100, thereby protecting the supercapacitor pack 100.
In one possible implementation, the control submodule 410 includes an under-voltage shutdown unit 411, a detection supplement unit 412, an operation control unit 413, and a second transistor T2. The under-voltage shutdown unit 411 is connected in parallel with the detection supplement unit 412, and the under-voltage shutdown unit 411 and the detection supplement unit 412 are connected in parallel and then connected in series with the operation control unit 413. The input end of the under-voltage turn-off unit 411 is electrically connected with the output end of the energy storage device 200, and the output end of the under-voltage turn-off unit 411 is electrically connected with the input end of the work control module. The input end of the detection supplement unit 412 is electrically connected with the super capacitor bank 100, and the output end of the detection supplement unit 412 is electrically connected with the work control unit 413. The output terminal of the operation control unit 413 is electrically connected to the base terminal of the second transistor T2, the second transistor T2 is P-type, the emitter terminal of the second transistor T2 is used for electrically connecting to the input terminal of the load, and the collector terminal of the second transistor T2 is electrically connected to the input terminal of the power replenishment sub-module 420.
In one possible implementation, the power supplementing sub-module 420 includes a PWM driving unit 421, a third transistor T3, a first inductor L1, a current detecting unit 422, an output feedback unit 423, a current feedback unit 424, a second inductor L2, a fifth diode D5, a sixth diode D6, and a seventh diode D7. The input end of the first inductor L1 is electrically connected to the output end of the energy storage device 200, the output end of the first inductor L1 is electrically connected to the anode of the fifth diode D5, and the cathode of the fifth diode D5 is electrically connected to the input end of the second inductor L2, and is adapted to supplement the load function and the super capacitor bank 100 with electricity through the second inductor L2. The third transistor T3 is an N-channel MOS transistor, the drain of the third transistor T3 is electrically connected to the input terminal of the first inductor L1, the source of the third transistor T3 is electrically connected to the input terminal of the current detection unit 422 and the input terminal of the PWM driving unit 421, the current detection unit 422 is connected in parallel to the PWM driving unit 421, and the gate of the third transistor T3 is electrically connected to the output terminal of the PWM driving unit 421. An input terminal of the output feedback unit 423 is electrically connected to a cathode of the fifth diode D5, an output terminal of the output feedback unit 423 is electrically connected to an anode of the sixth diode D6, and a cathode of the sixth diode is electrically connected to an input terminal of the PWM driving unit 421. The current feedback unit 424 is connected in parallel to the second inductor L2, and an input terminal of the current feedback unit 424 is electrically connected to an output terminal of the second inductor L2, and an output terminal of the current feedback unit 424 is electrically connected to an input terminal of the second inductor L2. An anode of the seventh diode D7 is electrically connected to the output terminal of the current feedback unit 424, and a cathode of the seventh diode D7 is electrically connected to the input terminal of the PWM driving unit 421.
Here, it should be noted that the voltage detection unit 311, the under-voltage shutdown unit 411, the detection supplement unit 412, the operation control unit 413, the PWM driving unit 421, the current detection unit 422, the output unit, and the current feedback unit 424 may be implemented by using chips existing in the market, and detailed descriptions thereof are omitted here.
Here, it should also be noted that a sixth diode D6 is connected in parallel to the third transistor T3, an anode of the sixth diode D6 is electrically connected to the drain of the third transistor T3, and a cathode of the sixth diode D6 is electrically connected to the source of the third transistor T3, so as to protect the third transistor T3 from breakdown.
In one possible implementation, the first transistor T1 and the second transistor T2 are triodes. Thereby amplifying the weak signal into an electrical signal with a large amplitude value.
In a possible implementation manner, the rapid-start power supply according to the embodiment of the present disclosure further includes an alarm module, an input end of the alarm module is electrically connected to a negative electrode of the super capacitor bank 100, and an output end of the alarm module is electrically connected to a positive electrode of the super capacitor bank 100, so as to detect the electric quantity of the super capacitor bank 100. When the alarm module detects that the voltage of the super capacitor bank 100 is smaller than the preset voltage, the alarm module sends out an alarm signal.
In one possible implementation manner, the super capacitor bank 100 includes a plurality of capacitor cells and a balancing circuit, the plurality of capacitor cells are connected in series or in parallel to the balancing circuit, and the energy storage device 200 is a storage battery or a super capacitor bank.
The quick-start power supply disclosed by the embodiment of the disclosure is a special power supply, adopts the super capacitor as a power amplification source, and can output a high-power characteristic by using a small reserved electric quantity of the super capacitor, thereby perfectly solving the problems of long charging time, low efficiency, short endurance time and incapability of driving a load in time. The low-power or unstable energy is firstly charged into the high-power type super capacitor bank 100, the super capacitor bank 100 can be fully charged in a short time, and the short-time high-power load can be started at the moment, so that the whole load is started to work normally. The power supply can be applied to various occasions such as battery-free energy storage and battery energy storage.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A quick start power supply characterized by: the device comprises a working power supply, wherein the working power supply comprises a super capacitor bank, an energy storage device, a charging module and a discharging module;
the charging module is suitable for charging the super capacitor bank and the energy storage device by an energy supply power source, and the discharging module is suitable for discharging load by the energy storage device and the super capacitor bank and compensating discharging of the super capacitor bank by the energy storage device;
the charging module comprises a capacitor charging submodule and an energy storage charging submodule;
the discharging module comprises a control submodule and an electric quantity supplementing submodule;
the capacitor charging submodule is electrically connected with the positive electrode of the super capacitor bank to charge the super capacitor bank;
the energy storage charging sub-module is electrically connected with the super capacitor bank, and when the super capacitor bank is full, the energy storage charging sub-module is conducted to charge the energy storage device;
the control submodule is electrically connected with the energy storage device and the super capacitor bank, and the electric quantity supplementing submodule is electrically connected with the control submodule;
when the control submodule detects that the super capacitor bank is equal to or smaller than a specified voltage, the control submodule controls the electric quantity supplementing submodule to be conducted, and the energy storage device supplements and discharges the super capacitor bank.
2. A rapid start power supply according to claim 1, wherein: the energy storage charging submodule comprises a voltage detection unit and an energy storage unit;
the input end of the voltage detection unit is electrically connected with the anode of the super capacitor bank, and the output end of the voltage detection module is electrically connected with the input end of the energy storage unit;
the energy storage unit is electrically connected with the energy storage device, so that the power supply is suitable for charging the energy storage device;
when the voltage detection unit detects that the super capacitor bank is fully charged, the energy storage unit is conducted, and the energy storage device is charged.
3. A rapid start power supply according to claim 2, wherein: the energy storage unit comprises a first transistor T1, a relay coil KT1 and a relay contact K1;
the first transistor T1 is of an N type, a base of the first transistor T1 is electrically connected with an output terminal of the voltage detection unit, a collector of the first transistor T1 is electrically connected with an input terminal of the relay coil KT1, and an emitter of the first transistor T1 is grounded;
the output end of the relay coil KT1 is electrically connected with the input end of the control submodule, and the relay coil KT1 is used for controlling the on and off of the relay contact K1;
one end of the relay contact K1 is suitable for being electrically connected with the energy supply source, and the other end of the relay contact K1 is electrically connected with the energy storage device;
when the relay coil KT1 is electrified, the relay contact K1 is closed, and the energy storage device is charged.
4. A rapid start power supply according to claim 2, wherein: the power supply module further comprises a first diode D1, wherein the anode of the first diode D1 is electrically connected with the output end of the power replenishing submodule, and the cathode of the first diode D1 is electrically connected with the input end of the voltage detection unit.
5. A rapid start power supply according to claim 3, wherein: the energy storage unit further comprises a second diode D2, and the relay coil KT1 is connected with the second diode D2 in parallel;
an anode of the second diode D2 is electrically connected to a collector of the first transistor T1, and a cathode of the second diode D2 is electrically connected to an output terminal of the relay coil KT 1.
6. A rapid start power supply according to any one of claims 1 to 5, wherein: the capacitor charging unit further comprises a fourth diode D4, and the capacitor charging unit is a third diode D3;
the anode of the third diode D3 is suitable for being electrically connected with the energy supply source, and the cathode of the third diode D3 is electrically connected with the anode of the super capacitor bank;
the anode of the fourth diode D4 is electrically connected with the anode of the super capacitor bank, and the cathode of the fourth diode D4 is suitable for being electrically connected with a load.
7. A rapid start power supply according to claim 1, wherein: the control submodule comprises an under-voltage turn-off unit, a detection supplement unit, a work control unit and a second transistor T2;
the undervoltage turn-off unit is connected with the detection supplement unit in parallel, and the undervoltage turn-off unit and the detection supplement unit are connected with the work control unit in series after being connected in parallel;
the input end of the under-voltage turn-off unit is electrically connected with the output end of the energy storage device, and the output end of the under-voltage turn-off unit is electrically connected with the input end of the work control module;
the input end of the detection supplement unit is electrically connected with the super capacitor bank, and the output end of the detection supplement unit is electrically connected with the work control unit;
the output end of the work control unit is electrically connected with the base electrode of the second transistor T2, the second transistor T2 is P-type, the emitter electrode of the second transistor T2 is suitable for being electrically connected with the input end of the load, and the collector electrode of the second transistor T2 is electrically connected with the input end of the power replenishing submodule.
8. A rapid start power supply according to claim 1, wherein: the electric quantity supplementing submodule comprises a PWM (pulse-width modulation) driving unit, a third transistor T3, a first inductor L1, a current detection unit, an output feedback unit, a current feedback unit, a second inductor L2, a fifth diode D5, a sixth diode D6 and a seventh diode D7;
the input end of the first inductor L1 is electrically connected with the output end of the energy storage device, the output end of the first inductor L1 is electrically connected with the anode of a fifth diode D5, the cathode of the fifth diode D5 is electrically connected with the input end of the second inductor L2, and the second inductor L2 is suitable for supplementing electric quantity to a load function and the super capacitor bank;
the third transistor T3 is an N-channel MOS transistor, a drain of the third transistor T3 is electrically connected to an input terminal of the first inductor L1, a source of the third transistor T3 is electrically connected to an input terminal of the current detection unit and an input terminal of the PWM driving unit, the current detection unit is connected in parallel to the PWM driving unit, and a gate of the third transistor T3 is electrically connected to an output terminal of the PWM driving unit;
the input end of the output feedback unit is electrically connected with the cathode of the fifth diode D5, the output end of the output feedback unit is electrically connected with the anode of the sixth diode D6, and the cathode of the sixth diode is electrically connected with the input end of the PWM driving unit;
the current feedback unit is connected in parallel to the second inductor L2, the input end of the current feedback unit is electrically connected with the output end of the second inductor L2, and the output end of the current feedback unit is electrically connected with the input end of the second inductor L2;
an anode of the seventh diode D7 is electrically connected to the output terminal of the current feedback unit, and a cathode of the seventh diode D7 is electrically connected to the input terminal of the PWM driving unit.
9. A rapid start power supply according to claim 1, wherein: the input end of the alarm module is electrically connected with the negative electrode of the super capacitor bank, and the output end of the alarm module is electrically connected with the positive electrode of the super capacitor bank so as to detect the electric quantity of the super capacitor bank;
and when the voltage of the super capacitor bank is less than the preset voltage, the alarm module sends out an alarm signal.
10. A rapid start power supply according to claim 1, wherein: the super capacitor bank comprises a plurality of capacitor units and a balance circuit;
a plurality of the capacitor units are connected in series or in parallel on the balancing circuit;
the energy storage device is a storage battery or a super capacitor bank.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022041508A1 (en) * | 2020-08-25 | 2022-03-03 | 深圳市华思旭科技有限公司 | Starting system and storage battery vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022041508A1 (en) * | 2020-08-25 | 2022-03-03 | 深圳市华思旭科技有限公司 | Starting system and storage battery vehicle |
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