CN114142602A - Barrier gate super capacitor backup power supply and barrier gate system with same - Google Patents
Barrier gate super capacitor backup power supply and barrier gate system with same Download PDFInfo
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- CN114142602A CN114142602A CN202111655457.2A CN202111655457A CN114142602A CN 114142602 A CN114142602 A CN 114142602A CN 202111655457 A CN202111655457 A CN 202111655457A CN 114142602 A CN114142602 A CN 114142602A
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- power supply
- barrier gate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention provides a barrier gate super-capacitor backup power supply and a barrier gate system with the same, relates to the technical field of backup power supplies, solves the problem that a barrier gate cannot lift a rod after a mains supply is powered off, and is characterized in that the anode and the cathode of a diode D1 are respectively connected with an input end and an output end to supply power to the outside under the condition of mains supply; the input end of the diode D2 is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the input end of the voltage reduction circuit, the output end of the voltage reduction circuit is connected with the anode of the diode D6, and the cathode of the diode D6 is connected with the anode end of the super capacitor bank to charge the super capacitor bank under the condition of mains supply; the common end between the anode end of the super capacitor bank and the cathode of the diode D6 is connected with the input end of the booster circuit, the output end of the booster circuit is connected with the anode of the diode D5, and the cathode of the diode D5 is connected with the output end of the back-up power supply of the barrier super capacitor for supplying power to the outside under the condition of mains supply outage. The invention can solve the defect that the barrier can not lift the rod after the mains supply is powered off.
Description
Technical Field
The invention relates to the technical field of backup power supplies, in particular to a barrier gate super capacitor backup power supply and a barrier gate system with the same.
Background
For an unattended parking lot, if the connected commercial power 220v is cut off, the parking lot barrier gate stops supplying power and cannot lift the rod, the barrier gate cannot be remotely controlled to lift the rod through the mobile phone app, and vehicles needing to go out in the parking lot cannot pass through the parking lot.
Disclosure of Invention
The invention aims to design a barrier gate super capacitor backup power supply and a barrier gate system with the same, and aims to solve the problem that a barrier gate cannot lift a rod after commercial power is cut off.
The invention is realized by the following technical scheme:
the invention provides a backup power supply of a barrier gate super capacitor, which comprises an input end, an output end, a diode D1, a diode D2, a voltage reduction circuit, a diode D6, a super capacitor group, a voltage boosting circuit and a diode D5, wherein the diode D3578 is connected with the input end; the input end of the barrier super-capacitor backup power supply is connected with the anode of the diode D1, and the cathode of the diode D1 is connected with the output end of the barrier super-capacitor backup power supply and used for supplying power to the outside through the diode D1 under the condition of mains supply; the input end of the barrier super-capacitor backup power supply is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the input end of the voltage-reducing circuit, the output end of the voltage-reducing circuit is connected with the anode of the diode D6, and the cathode of the diode D6 is connected with the anode end of the super-capacitor bank so as to charge the super-capacitor bank through the diode D2, the voltage-reducing circuit and the diode D6 under the condition of mains supply; the positive pole end of super capacitor group with common port between diode D6's the negative pole is connected boost circuit's input, boost circuit's output is connected diode D5's positive pole, diode D5's negative pole is connected the output of banister super capacitor backup power supply is used for passing through under the commercial power outage condition super capacitor group boost circuit diode D5 is to outer power supply, when the commercial power supply condition, diode D5's anode voltage is less than the cathode voltage.
When the arrangement structure is adopted, under the condition of mains supply, the diode D1 can supply power outwards, meanwhile, the super capacitor bank can be charged through the diode D2, the voltage reduction circuit and the diode D6, and under the condition of mains supply outage, the super capacitor bank can discharge power to boost the voltage of the voltage boosting circuit and then supply power outwards through the diode D5. Therefore, when the barrier gate super-capacitor backup power supply is used on the barrier gate, the power can be supplied to the barrier gate for a period of time after the mains supply is powered off so as to supply power to the rod lifting action of the barrier gate, and the problem that the vehicle cannot be taken out of a garage because the barrier gate cannot lift the rod after the mains supply is powered off is solved.
In order to further better implement the invention, the following arrangement structure is particularly adopted: and a fuse having one end connected to a common terminal between the cathode of the diode D1 and the cathode of the diode D5.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the diode D1, the diode D2, the diode D6, and the diode D5 are all provided as schottky diodes.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the super capacitor group is provided with a passive voltage balancing circuit.
Further: the super capacitor group comprises a super capacitor C6, a super capacitor C7, a super capacitor C8, a super capacitor C9 and a super capacitor C10 which are sequentially connected in series, wherein the anode of the super capacitor C6 is connected with the cathode of the diode D6, the cathode of the super capacitor C10 is grounded, and the super capacitor C6, the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 are respectively connected with a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8 in parallel.
When the arrangement structure is adopted, the resistor R4, the resistor R5, the resistor R6, the resistor R7 and the resistor R8 form a passive voltage balance circuit for voltage division, and charging current is allowed to flow from the super capacitor C6 with higher voltage to the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 in sequence. The voltage balance can ensure that the voltage across each capacitor in the super capacitor bank does not exceed the rated voltage.
Further: the output voltage Vout1 of the step-down circuit is 1.25(1+ R2/R1).
Further: the output voltage Vout2 of the booster circuit is 1.25(1+ R9/R10).
Further: the input end of the barrier gate super-capacitor backup power supply is set to be a switch power supply J1, and the output end of the barrier gate super-capacitor backup power supply is set to be a switch power supply J2.
The invention also provides a barrier gate system, which comprises a barrier gate and the barrier gate super capacitor backup power supply, wherein the barrier gate is provided with a barrier gate control circuit, the input end of the barrier gate control circuit is connected with the output end of the barrier gate super capacitor backup power supply, the barrier gate control circuit can judge that the mains supply is powered off and control the barrier gate to lift a gate rod when the input voltage of the barrier gate control circuit is less than V0, and V0 is less than the output voltage of the output end of the barrier gate super capacitor backup power supply under the condition of mains supply power supply and is greater than the output voltage of the output end of the barrier gate super capacitor backup power supply under the condition of mains supply power off.
The invention has the following advantages and beneficial effects:
in the invention, under the condition of commercial power supply, the diode D1 can be used for supplying power to the outside, meanwhile, the super capacitor bank can be charged through the diode D2, the voltage reduction circuit and the diode D6, and under the condition of commercial power outage, the super capacitor bank can discharge power to boost the voltage of the voltage boosting circuit and then supply power to the outside through the diode D5. Therefore, when the barrier gate super-capacitor backup power supply is used on the barrier gate, the power can be supplied to the barrier gate for a period of time after the mains supply is powered off so as to supply power to the rod lifting action of the barrier gate, and the problem that the vehicle cannot be taken out of a garage because the barrier gate cannot lift the rod after the mains supply is powered off is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic block diagram of the principle of a barrier supercapacitor backup power supply;
FIG. 2 is a circuit diagram of a barrier supercapacitor backup power supply;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
a gate super capacitor backup power supply can supply power to a gate after the mains supply is cut off so as to lift a rod, and is particularly arranged into the following structures as shown in figures 1 and 2:
the barrier gate super capacitor backup power supply comprises an input end, an output end, a diode D1, a diode D2, a voltage reduction circuit, a diode D6, a super capacitor bank, a voltage boosting circuit and a diode D5.
As can be seen from fig. 1 and fig. 2, the input terminal of the barrier super capacitor backup power supply is connected to the anode of the diode D1, and the cathode of the diode D1 is connected to the output terminal of the barrier super capacitor backup power supply, so as to form a power supply circuit for supplying power to the outside through the diode D1 under the condition of the mains supply.
The input end of the barrier super-capacitor backup power supply is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the input end of the voltage reduction circuit, the output end of the voltage reduction circuit is connected with the anode of the diode D6, the cathode of the diode D6 is connected with the anode of the super-capacitor bank, and the cathode of the super-capacitor is grounded to form a charging circuit which is used for charging each super-capacitor in the super-capacitor bank through the diode D2, the voltage reduction circuit and the diode D6 under the condition of mains supply.
The common end between the anode end of the super capacitor bank and the cathode of the diode D6 is connected with the input end of the booster circuit, the output end of the booster circuit is connected with the anode of the diode D5, and the cathode of the diode D5 is connected with the output end of the gate super capacitor backup power supply, so that a discharge circuit is formed and used for supplying power to the outside through the super capacitor bank, the booster circuit and the diode D5 under the condition of mains supply outage. Wherein, under the condition of commercial power supply, the anode voltage of the diode D5 is less than the cathode voltage.
In the present embodiment, the diode D1, the diode D2, the diode D6, and the diode D5 are each configured as a schottky diode D1, a schottky diode D2, a schottky diode D3, a schottky diode D4, and a schottky diode D5.
The input end of barrier gate super capacitor backup power supply is set as switching power supply J1, the output end of barrier gate super capacitor backup power supply is set as switching power supply J2, switching power supply J1 is connected with the commercial power when in use, switching power supply J2 is connected with the barrier gate, switching power supply J1 is connected with Schottky diode D1 and Schottky diode D2 respectively, one end of fuse is connected to the common terminal between the cathode of Schottky diode D1 and the cathode of Schottky diode D5, and switching power supply J2 is connected to the other end of the fuse.
In this embodiment, this banister super capacitor backup power electrical apparatus parameter sets up to:
power supply: DC 24.0V/5A; working voltage: DC 23.7V; the working voltage after the mains supply is powered off is DC 21V +/-3%; working current: 0.4A-2.3A; charging voltage of the super capacitor bank: 12.0V-12.6V; charging current of the super capacitor bank: 0.23A-0.79A; charging time: 35s-70 s; single supercapacitor parameter capacity: 30F; rated voltage of super capacitor: 2.7 v; internal resistance: DC 40m omega, AC 1KHz 20m omega; 24-hour leakage current: 300 muA; normal temperature cycle life: the working condition is 25 ℃, the voltage is between 2.7v and 1.35v, the circulation is carried out for 50 ten thousand times, the capacity attenuation is less than or equal to 30 percent, and the internal resistance change is less than or equal to 3 times; the highest temperature is kept at the voltage of 2.7v for 1000 hours, the capacity attenuation is less than or equal to 30 percent, and the internal resistance change is less than or equal to 4 times; working temperature: -40 ℃ to +70 ℃.
As can be seen from fig. 2, the voltage-reducing circuit includes a voltage-reducing chip U1 with model number XL2009, a resistor R1, a resistor R2, etc., the resistor R2 and the resistor R1 are connected in series between the output terminal of the voltage-reducing chip U1 and the ground, a common terminal between the resistor R2 and the resistor R1 is connected to a feedback voltage terminal pin FB of the voltage-reducing chip U1, and an output voltage Vout1 of the voltage-reducing circuit is 1.25(1+ R2/R1) is 1.25(1+43/4.7) is 12.69V.
The boost circuit comprises a boost chip U2 with model number XL6019E1, a resistor R9, a resistor R10 and the like, wherein the resistor R9 and a resistor R10 are connected between the output end of the boost chip U2 and the ground in series, the common end between the resistor R9 and the resistor R10 is connected with a feedback voltage pin FB of the boost chip U2, and the output voltage Vout2 of the boost circuit is 1.25(1+ R9/R10) is 1.25(1+43/2.7) is 21.16V.
The super capacitor group is provided with a passive voltage balancing circuit, specifically, the super capacitor group comprises a super capacitor C6, a super capacitor C7, a super capacitor C8, a super capacitor C9 and a super capacitor C10 which are connected in series in sequence and have the same capacity, the anode of the super capacitor C6 is connected with the cathode of a diode D6, the cathode of the super capacitor C10 is grounded, and the super capacitor C6, the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 are respectively connected in parallel with a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8 which have the same resistance. The resistor R4, the resistor R5, the resistor R6, the resistor R7 and the resistor R8 form a passive voltage balance circuit for voltage division, charging current can be allowed to flow to the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 from the super capacitor C6 with higher voltage in sequence, and the voltage at two ends of each capacitor in the super capacitor group can be enabled not to exceed the rated voltage of the capacitor by the voltage balance, so that the charging current is enabled to be stable and stable, and the charging current is enabled to be stable and stable.
Under the condition of mains supply, the power can be supplied to the outside through the diode D1, meanwhile, the super capacitor bank can be charged through the diode D2, the voltage reduction circuit and the diode D6, and under the condition of mains supply outage, the super capacitor bank can discharge to boost the voltage of the voltage boosting circuit and then supply the power to the outside through the diode D5. Therefore, when the barrier gate super-capacitor backup power supply is used on the barrier gate, the power can be supplied to the barrier gate for a period of time after the mains supply is powered off so as to supply power to the rod lifting action of the barrier gate, and the problem that the vehicle cannot be taken out of a garage because the barrier gate cannot lift the rod after the mains supply is powered off is solved.
Example 2:
the present embodiment further provides a barrier gate system on the basis of the above embodiments, and in order to better implement the present invention, the following arrangement structure is particularly adopted:
the barrier gate system comprises a barrier gate and the barrier gate super capacitor backup power supply of the embodiment 1. The barrier gate is provided with a barrier gate control circuit, the input end of the barrier gate control circuit is connected with the output end of the barrier gate super capacitor backup power supply, the barrier gate control circuit can judge that the mains supply is powered off and control the barrier gate to lift the gate rod when the input voltage of the barrier gate control circuit is smaller than V0, and V0 is 22.0V, which is smaller than the output voltage 23.7V of the output end of the barrier gate super capacitor backup power supply under the condition of mains supply power supply and is larger than the output voltage 21.16 of the output end of the barrier gate super capacitor backup power supply under the condition of mains supply power off.
The working principle of the barrier gate system of the embodiment is as follows:
under the condition of 220V mains supply, 220V mains supply is connected with a switching power supply J1, and 24V output of the switching power supply J1 is input into a barrier super capacitor backup power supply. The output 23.7V is directly supplied to a gate after passing through a Schottky diode D1, meanwhile, the output 23.7V is supplied to a step-down circuit after passing through a Schottky diode D2, the voltage is converted into Vout1 after passing through a step-down chip U1 of the step-down circuit, wherein Vout1 is 1.25(1+ R2/R1) is 1.25(1+43/4.7) is 12.69V, and the voltage range of Vout1 is 12.2V-12.9V due to factors such as the error of the resistance value in the step-down circuit. Vout1 charges five super capacitor groups C6-C10 connected in series after passing through a Schottky diode D6, wherein R4-R8 form a passive voltage balance circuit to divide voltage, charging current is allowed to flow from a super capacitor C6 with higher voltage to the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 in sequence, and the voltage at two ends of each capacitor in the super capacitor group does not exceed the rated voltage of the capacitor by 2.7V through the voltage balance. Meanwhile, Vout1 outputs 23.7V to the boost circuit after passing through the Schottky diode D6, the voltage is boosted by a boost chip U2 in the boost circuit and then 21.0V-21.6V is output to the anode of the Schottky diode D5, at the moment, the cathode voltage of the Schottky diode D5 is 23.7V, the cathode voltage of the Schottky diode D5 is larger than the anode voltage and is equivalent to open circuit, at the moment, the boost circuit is in a static working state, and the static current is about 3 mA. Under the condition of 220V mains supply, the super capacitor bank is in a floating charging state after being charged for about 30-75 s.
When the mains supply is powered off at 220V, 24V output by the switching power supply J1 disappears, at the moment, the anode voltage of the Schottky diode D5 is larger than the cathode voltage, the power supply circuit of the gate super-capacitor backup power supply is switched on seamlessly, the super-capacitor bank discharges and inputs the power to the booster circuit, 21.0V-21.6V is boosted and output through the booster chip U2 and passes through the Schottky diode D5 to supply power to the gate for about 30s, and the gate control circuit judges that the mains supply is powered off and automatically lifts the gate rod when the input voltage is smaller than 22.0V. The input voltage range of the boost chip U2 is 5.0V-40.0V, the output voltage Vout2 is 1.25(1+ R9/R10) is 1.25(1+43/2.7) is 21.16V, and the voltage range of Vout2 is 20.4V-21.7V due to the error of resistance value and other factors.
After the 220V mains supply is powered on again, the input voltage is judged to be larger than 22V through the gate control circuit, and then the power supply is restarted and normally used.
The invention adopts the super capacitor group as the backup power supply of the parking lot barrier gate, has the advantages of stability, reliability and small volume, and also has the following advantages:
(1) the charging speed is high, and the charging time of 30s-110s can reach more than 95% of the rated capacity.
(2) The cycle service life is long, the cycle use frequency of deep charge and discharge can reach 1-50 ten thousand times, and no memory effect exists.
(3) The large current discharge capacity is super strong, the energy conversion efficiency is high, the process loss is small, and the large current energy circulation efficiency is more than or equal to 90 percent.
(4) The power density is high and can reach 300-5000W/KG, which is 5-10 times of that of the battery.
(5) The raw materials of the product have no pollution in the processes of composition, production, use, storage and disassembly, and the product is an ideal green and environment-friendly power supply.
(6) The charging and discharging circuit is simple, a charging circuit like a rechargeable battery is not needed, the safety coefficient is high, and the maintenance is avoided after long-term use.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (9)
1. The utility model provides a banister super capacitor backup power which characterized in that: the circuit comprises an input end, an output end, a diode D1, a diode D2, a voltage reduction circuit, a diode D6, a super capacitor bank, a voltage boosting circuit and a diode D5;
the input end of the barrier super-capacitor backup power supply is connected with the anode of the diode D1, and the cathode of the diode D1 is connected with the output end of the barrier super-capacitor backup power supply and used for supplying power to the outside through the diode D1 under the condition of mains supply;
the input end of the barrier super-capacitor backup power supply is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the input end of the voltage-reducing circuit, the output end of the voltage-reducing circuit is connected with the anode of the diode D6, and the cathode of the diode D6 is connected with the anode end of the super-capacitor bank so as to charge the super-capacitor bank through the diode D2, the voltage-reducing circuit and the diode D6 under the condition of mains supply;
the positive pole end of super capacitor group with common port between diode D6's the negative pole is connected boost circuit's input, boost circuit's output is connected diode D5's positive pole, diode D5's negative pole is connected the output of banister super capacitor backup power supply is used for passing through under the commercial power outage condition super capacitor group boost circuit diode D5 is to outer power supply, when the commercial power supply condition, diode D5's anode voltage is less than the cathode voltage.
2. The barrier gate super capacitor backup power supply of claim 1, wherein: and a fuse having one end connected to a common terminal between the cathode of the diode D1 and the cathode of the diode D5.
3. The barrier gate super capacitor backup power supply of claim 1, wherein: the diode D1, the diode D2, the diode D6, and the diode D5 are all provided as schottky diodes.
4. The barrier gate super capacitor backup power supply of claim 1, wherein: the super capacitor group is provided with a passive voltage balancing circuit.
5. The barrier gate super capacitor backup power supply of claim 4, wherein: the super capacitor group comprises a super capacitor C6, a super capacitor C7, a super capacitor C8, a super capacitor C9 and a super capacitor C10 which are sequentially connected in series, wherein the anode of the super capacitor C6 is connected with the cathode of the diode D6, the cathode of the super capacitor C10 is grounded, and the super capacitor C6, the super capacitor C7, the super capacitor C8, the super capacitor C9 and the super capacitor C10 are respectively connected with a resistor R4, a resistor R5, a resistor R6, a resistor R7 and a resistor R8 in parallel.
6. The barrier gate super capacitor backup power supply of claim 1, wherein: the output voltage Vout1 of the step-down circuit is 1.25(1+ R2/R1).
7. The barrier gate super capacitor backup power supply of claim 6, wherein: the output voltage Vout2 of the booster circuit is 1.25(1+ R9/R10).
8. The barrier gate super capacitor backup power supply of claim 1, wherein: the input end of the barrier gate super-capacitor backup power supply is set to be a switch power supply J1, and the output end of the barrier gate super-capacitor backup power supply is set to be a switch power supply J2.
9. A banister system which characterized in that: the barrier gate super capacitor backup power supply comprises a barrier gate and the barrier gate super capacitor backup power supply of any one of claims 1 to 8, wherein the barrier gate is provided with a barrier gate control circuit, the input end of the barrier gate control circuit is connected with the output end of the barrier gate super capacitor backup power supply, the barrier gate control circuit can judge that the mains supply is powered off and control the barrier gate to lift a gate rod when the input voltage of the barrier gate control circuit is less than V0, and V0 is less than the output voltage of the output end of the barrier gate super capacitor backup power supply in the mains supply condition and greater than the output voltage of the output end of the barrier gate super capacitor backup power supply in the mains supply condition.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117458417A (en) * | 2023-12-26 | 2024-01-26 | 杭州海康威视数字技术股份有限公司 | Barrier gate control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117458417A (en) * | 2023-12-26 | 2024-01-26 | 杭州海康威视数字技术股份有限公司 | Barrier gate control device |
| CN117458417B (en) * | 2023-12-26 | 2024-04-09 | 杭州海康威视数字技术股份有限公司 | Barrier gate control device |
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