CN114640167A - Circuit for supplying power to battery - Google Patents
Circuit for supplying power to battery Download PDFInfo
- Publication number
- CN114640167A CN114640167A CN202111669954.8A CN202111669954A CN114640167A CN 114640167 A CN114640167 A CN 114640167A CN 202111669954 A CN202111669954 A CN 202111669954A CN 114640167 A CN114640167 A CN 114640167A
- Authority
- CN
- China
- Prior art keywords
- circuit
- battery
- main battery
- charging
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- 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
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a battery-powered circuit, which is applied to an FTU device for DC power taking of a pole and is characterized in that the circuit comprises an FTU device and an energy storage port, wherein the FTU device utilizes DC power supplies on two sides of the pole to supply power, and the DC power supplies on the two sides are respectively a first DC power supply and a second DC power supply; contain the selection circuit for DC power supply's selection, pre-charge circuit is used for right energy storage capacitor fills can, main battery charge-discharge circuit, is used for utilizing pre-charge circuit's electric energy is right the main battery charges, can satisfy the operation of FTU device for a long time and can save getting the electric PT device, simplifies the installation and deploys the debugging degree of difficulty, can accomplish the separating brake, the combined floodgate operation to the circuit breaker on the post at will after the start, ensures that the maintenance is exempted from completely in 8-10 years.
Description
Technical Field
The present invention relates to power device communications, and more particularly, to a circuit for battery powering.
Background
A state network standardized switch monitoring terminal (FTU) device generally adopts external double PT to get electricity, and electricity getting PT devices are respectively installed on the side of an incoming line and an outgoing line to complete 220VAC electricity getting through electricity getting PT of 10KV:220V so as to drive the FTU device to load a load output port body. In the traditional PT power taking mode, a power taking PT device must be installed and deployed on the edge of a breaker on a 10KV column. The company begins to research that the embedded power taking capacitor voltage-dividing power supply of the pole directly finishes power taking through the 10KV on-pole circuit breaker, and the embedded voltage-dividing capacitor of the pole finishes power taking, so that the installation of the power taking PT can be reduced, the overall cost is reduced, and the field installation efficiency can be improved.
Disclosure of Invention
Compared with the traditional PT power taking, the direct current power taking scheme of the embedded capacitor of the pole is limited by the volume limit of the pole-mounted switch body, the output power is relatively low, and the power taking voltage can be kept at 29Vdc +/-1% under the conditions that the maximum power taking power is about 8W and the load is less than or equal to 8W according to the current actual measurement. Because the load output port of the FTU device needs to output transient instantaneous power consumption of 200 and 300W in a transient state when the FTU device performs opening and closing actions, the electromagnetic valve is driven to finish the elastic operation of the switch within 50ms of duration. After the action is finished, a 150-200W energy storage motor needs to be driven, and the elastic operation energy storage is finished for 8-10s continuously. If the power consumption of 8W obtained by the power taking port under the condition of no standby power supply cannot complete the spring operation and the energy storage operation. Therefore, a complete set of standby power management power needs to be developed to solve the problem of low power output of the pole.
In view of the above problems, the present invention provides a battery-powered circuit, which is applied to an FTU device load output port for dc power taking of a pole, and is characterized in that the circuit includes an FTU device load output port and an energy storage load output port, the FTU device load output port utilizes dc power supplies on two sides of the pole to supply power, and the dc power supplies on the two sides are a first dc power supply and a second dc power supply respectively;
the circuit also includes a first circuit for controlling the first switch,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies at two sides, the output end of the selection power supply is connected with the input end of a pre-charging circuit, and the selection circuit is used for selecting the direct current power supply with higher voltage to supply power for the pre-charging circuit;
the pre-charging circuit comprises an energy storage capacitor, wherein the output end of the pre-charging circuit is respectively connected with the input end of a main battery charging and discharging circuit and the input end of an auxiliary battery charging circuit, and the pre-charging circuit is used for charging the energy storage capacitor so as to supply power to the main battery charging and discharging circuit and the auxiliary battery charging circuit;
the main battery charge-discharge circuit contains a main battery, the output of main battery charge-discharge circuit is connected FTU device load output port, is used for utilizing the electric energy of pre-charge circuit is right the main battery charges, and passes through the main battery is FTU device load output port energy supply.
Preferably, the device further comprises a secondary battery charging circuit and a primary battery activation circuit,
the auxiliary battery charging circuit comprises an auxiliary battery, the input end of the auxiliary battery charging circuit is connected with the output end of the main battery charging and discharging circuit, the output end of the auxiliary battery charging circuit is connected with the energy storage load output port and used for charging the auxiliary battery, the auxiliary battery is used for supplying power to the energy storage load output port, and the energy storage load output port is used for supplying power to a spring operation device;
the input end of the main battery activation circuit is connected with a microcontroller, and the output end of the main battery activation circuit is connected with the selection circuit and used for controlling the main battery to discharge and charge so as to activate the main battery according to the control of the microcontroller.
Preferably, the selection circuit includes:
the first selection branch circuit selectively comprises a first diode, the anode of the first diode is used as the input end of the first selection branch circuit and connected with the anode of the first direct current power supply, the cathode of the first diode is used as the output end of the first selection branch circuit, and the cathode of the first direct current power supply is selected in a grounded mode;
and the second selection branch comprises a second diode, the anode of the second diode is used as the input end of the second selection branch and is connected with the anode of the second direct-current power supply, the cathode of the second diode is used as the output end of the second selection branch, and the cathode of the second direct-current power supply is grounded.
Preferably, one polar plate of the energy storage capacitor is connected with the relay, and the other polar plate is grounded;
the pre-charging circuit is used for pre-charging the energy storage capacitor firstly, and the energy is supplied to the main battery charging and discharging circuit after the voltage of the energy storage capacitor reaches a first preset voltage.
Preferably, the positive pole of the main battery is connected with the positive pole of a third diode, the negative pole of the main battery is grounded, and when the first direct current power supply and the second direct current power supply are both powered off, the main battery supplies power to the load output port of the FTU device through a fourth diode.
Preferably, the charging device further comprises a trickle charging module, wherein an input end of the trickle charging module is used as an output end of the main battery charging and discharging circuit and is connected with the first node;
the output end of the trickle charging module is connected with a resistor;
the regulating end of the trickle charging module is connected between the resistor and the anode of the main battery, and the voltage between the output end of the trickle charging module and the regulating end of the trickle charging module is kept constant through the feedback regulation of the regulating end, so that the output current of the trickle charging module is kept constant.
Preferably, after the voltage of the auxiliary battery is insufficient to supply power, the main battery supplements the electric quantity for the auxiliary battery through the third diode so as to maintain the output of the auxiliary battery to be stable voltage.
Preferably, the microcontroller is internally provided with an activation voltage value, a fixed time parameter is preset,
the relay is periodically controlled to be switched off through the fixed time parameter, so that the main battery discharges to a load output port of the FTU device;
and the microcontroller measures the current voltage of the main battery through a sampling port, and when the current voltage of the main battery is detected to be lower than the activation voltage value, the relay is closed again to charge the main battery again.
Preferably, the spring operation device is powered by the secondary battery to complete the operation, and the secondary battery stops discharging after the secondary battery completes the power supply to the spring operation device.
Has the advantages that: can satisfy FTU device load output port operation for a long time and can save getting the electric PT device, simplify the installation and deploy the debugging degree of difficulty, can accomplish the separating brake of circuit breaker on the post, closing operation at any moment after the start, ensure long-time complete non-maintaining.
Drawings
FIG. 1 is a circuit diagram for battery powering in a preferred embodiment of the present invention;
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, in order to solve the above problems in the prior art, a circuit for supplying power to a battery is provided, which is applied to an FTU device load output port 1 for dc power taking of a pole, and is characterized in that, as shown in fig. 1, the circuit includes an FTU device load output port 1 and an energy storage load output port 2, the FTU device load output port 1 supplies power by using dc power supplies on two sides of the pole, and the dc power supplies on the two sides are a first dc power supply and a second dc power supply respectively;
the circuit further comprises a control circuit for controlling the switching of the power supply,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies on the two sides, the output end of the selection power supply is connected with the input end of a pre-charging circuit, and the selection circuit is used for selecting the direct current power supply with higher voltage to supply power for the pre-charging circuit;
the pre-charging circuit comprises an output end of an energy storage capacitor pre-charging circuit, an output end of the energy storage capacitor pre-charging circuit is respectively connected with an input end of a main battery charging and discharging circuit and an input end of an auxiliary battery charging circuit, and the energy storage capacitor pre-charging circuit is used for charging energy to supply power to the main battery charging and discharging circuit and the auxiliary battery charging circuit;
the main battery charging and discharging circuit comprises a main battery B1, and the output end of the main battery charging and discharging circuit is connected with the FTU device load output port 1 and is used for charging the main battery B1 by using the electric energy of the pre-charging circuit and supplying energy to the FTU device load output port 1 through the main battery.
Specifically, the high-selection circuit is a dual-power-supply selection circuit, the P1 is a switch incoming line side point-taking power supply, the P2 is a switch outgoing line side point-taking power supply, high selection is performed through two Schottky diodes, the power supply is automatically supplied to the whole device, and the load output port 1 of the FTU device can work when any one side is electrified; the main battery charging and discharging circuit realizes the automatic charging and discharging of the battery through the control of the microcontroller 3, and can effectively prolong the service life of the main battery B1.
In the preferred embodiment of the present invention, the device further comprises a secondary battery charging circuit and a primary battery activation circuit,
the auxiliary battery charging circuit comprises an auxiliary battery, the input end of the auxiliary battery charging circuit is connected with the output end of the main battery charging and discharging circuit, the output end of the auxiliary battery charging circuit is connected with the energy storage load output port 2 and used for charging the auxiliary battery, the auxiliary battery is used for supplying power to the energy storage load output port 2, and the energy storage load output port 2 is used for supplying power to a spring operation device;
the input end of the main battery activation circuit is connected with a microcontroller 3, and the output end of the main battery activation circuit is connected with a selection circuit and used for controlling the main battery to discharge and charge so as to activate the main battery according to the control of the microcontroller 3.
Specifically, the auxiliary battery does not supply power to the body of the load output port 1 of the FTU device, only the energy storage load output port 2 is directly connected for supplying power, the load connected with the energy storage load output port 2 can be output for 8-10s only after opening and closing operations, and discharging is stopped after the energy storage of the elastic operation device is finished, so that the quality of the rechargeable battery when leaving a factory is guaranteed, the electric quantity of the battery can be kept for a long time, after multiple energy storage operations, the voltage of the auxiliary battery is reduced, the voltage of the battery of the auxiliary battery is kept not less than that of the main battery all the time by automatically supplementing electric quantity from the main battery through the Schottky diode, and the characteristic of the Schottky diode ensures that the auxiliary battery cannot discharge to the main battery.
In a preferred embodiment of the present invention, the selection circuit includes:
the first selection branch circuit selectively comprises a first diode D1, the anode of the first diode D1 is used as the input end of the first selection branch circuit and is connected with the anode of the first direct current power supply, the cathode of the first diode D1 is used as the output end of the first selection branch circuit, and the cathode of the first direct current power supply is selected by grounding;
the second selection branch comprises a second diode D2, an anode of the second diode D2 is used as an input end of the second selection branch, and is connected to an anode of the second dc power supply, a cathode of the second diode D2 is used as an output end of the second selection branch, and a cathode of the second dc power supply is grounded.
Specifically, the first diode D1 and the second diode D2 are schottky diodes, and by utilizing the characteristics of the schottky diodes, when a forward bias is applied to two ends of a schottky barrier, namely an anode metal is connected with a positive electrode of a power supply, and an N-type substrate is connected with a negative electrode of the power supply, the schottky barrier becomes narrow, and the internal resistance of the schottky barrier becomes small; on the other hand, when a reverse bias is applied to both ends of the schottky barrier, the schottky barrier becomes wider and its internal resistance becomes larger, and by utilizing this characteristic, it is possible to select the both-side power source.
In the preferred embodiment of the invention, one polar plate of the energy storage capacitor is connected with the relay, and the other polar plate is grounded;
the pre-charging circuit pre-charges the energy storage capacitor, and supplies energy to the main battery charging and discharging circuit after the voltage of the energy storage capacitor reaches a first preset voltage.
Specifically, after the power supplies on the two sides pass through the high-selection circuit, the energy storage capacitor C1 is pre-charged through the normally closed contact of the relay T1 with activated management, and when the pre-charging voltage of the energy storage capacitor C1 exceeds 16V, the FTU device can be started and operated normally.
In a preferred embodiment of the present invention, the positive electrode of the main battery is connected to the positive electrode of a third diode D3, the negative electrode of the main battery is grounded, and when the first dc power source and the second dc power source are both powered off, the main battery supplies power to the load output port 1 of the FTU device through a fourth diode D4.
Specifically, when the voltage of the energy storage capacitor C1 exceeds the voltage +1.25V of the main battery B1, the trickle charge module 4 starts to perform constant-current charging on the main battery B1, and the trickle charge is finished until the voltage of the main battery B1 is smaller than the power supply voltage minus 1.25V, at this time, the main battery B1 keeps a constant-voltage state and does not perform charge and discharge any more, when the power supply sources on the two sides lose power simultaneously, the main battery B1 supplies power to the FTU device load output port 1 through the third diode D3, until the main battery is completely discharged, the FTU is powered off and shut down, and when the power supplies on the two sides supply sources supply power again, the electric quantity of the main battery B1 gradually increases.
In a preferred embodiment of the present invention, the charging system further comprises a trickle charge module 4, wherein an input end of the trickle charge module 4 is used as an output end of the main battery charging and discharging circuit and is connected to the first node;
the output end of the trickle charge module 4 is connected with a resistor;
the adjusting end of the trickle charge module 4 is connected between the resistor and the anode of the main battery, and the voltage between the output end of the trickle charge module 4 and the adjusting end of the trickle charge module 4 is kept constant through the feedback adjustment of the adjusting end, so that the output current of the trickle charge module 4 is kept constant.
Specifically, when the load resistance is reduced, the current of the output end connecting resistor increases, which will force the voltage across the resistor to rise, once the voltage exceeds a fixed value, the regulation end feeds back, because it is guaranteed that the voltage across the resistor is maintained at the fixed value, I ═ U/R is known from ohm's law, so that the output current rises to the output end and is maintained unchanged, thereby realizing constant current output.
In a preferred embodiment of the present invention, after the voltage of the auxiliary battery is insufficient to supply power, the main battery supplements the electric energy to the auxiliary battery through the third diode D3 to maintain the output of the auxiliary battery at a stable voltage.
Specifically, after a plurality of energy storage operations, the voltage of the sub-battery B2 is lower than a certain threshold, the sub-battery B2 automatically maintains the electric quantity from the main battery B1 through the schottky diode, so as to ensure that the battery voltage of the sub-battery B2 is not less than the voltage 360Vmv of the main battery B1, and the schottky diode can prevent the sub-battery B2 from discharging to the main battery B1.
In the preferred embodiment of the present invention, the microcontroller 3 internally sets an activation voltage value, presets a fixed time parameter,
the relay is periodically controlled to be switched off through a fixed time parameter, so that the main battery discharges to the load output port 1 of the FTU device;
the microcontroller 3 measures the current voltage of the main battery through a sampling port, and when the current voltage of the main battery is detected to be lower than the activation voltage value, the relay is closed again to charge the main battery again.
Specifically, the activation voltage value is stored in the microcontroller 3, the microcontroller 3 sends an instruction to control the relay T1, the relay T1 can open and close the circuit, so as to control charging and discharging of the main battery B1, and prevent accelerated aging of a battery electrode caused by long-time constant-voltage trickle charging of the battery, the microcontroller 3 can also control the relay T1 by judging and presetting time periodicity, the microcontroller 3 collects the current main battery B1 voltage and the pre-charging voltage of the energy storage capacitor C1, if the pre-charging voltage exceeds 16V, the FTU starts to be powered, if the pre-charging voltage is greater than the main battery B1 voltage by 1.25V, the trickle charging module 4 is started, and the closing function is triggered by the presetting time, so as to ensure that the main battery B1 voltage is in an activation state, and prolong the service life.
The charging and discharging activation can effectively improve the service life and the effective capacity of the main battery.
In a preferred embodiment of the present invention, the spring operation device is powered by the sub-battery to complete the operation, and the sub-battery stops discharging when the sub-battery completes the power supply to the spring operation device.
Specifically, the sub-battery B2 does not supply power to the FTU body, and the sub-battery B2 only supplies power directly to the energy storage load output port 2, because the energy storage load outputs power for 8s to 10s only when the elastic operation device operates, and after the elastic operation device stores energy, the sub-battery B2 stops discharging, so that complete charging when leaving the factory is ensured, and the electric quantity of the battery can be basically maintained.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A circuit for battery power supply is applied to an FTU device load output port for pole DC power taking for power supply, and is characterized in that the circuit comprises an FTU device load output port and an energy storage load output port, wherein the FTU device load output port supplies power by using DC power supplies on two sides of a pole, and the DC power supplies on the two sides are respectively a first DC power supply and a second DC power supply;
the circuit also includes a first circuit for controlling the first switch,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies at two sides, the output end of the selection power supply is connected with the input end of a pre-charging circuit, and the selection circuit is used for selecting the direct current power supply with higher voltage to supply power for the pre-charging circuit;
the pre-charging circuit comprises an energy storage capacitor, wherein the output end of the pre-charging circuit is respectively connected with the input end of a main battery charging and discharging circuit and the input end of an auxiliary battery charging circuit, and the pre-charging circuit is used for charging the energy storage capacitor so as to supply power to the main battery charging and discharging circuit and the auxiliary battery charging circuit;
the main battery charge-discharge circuit contains a main battery, the output of main battery charge-discharge circuit is connected FTU device load output port, is used for utilizing the electric energy of pre-charge circuit is right the main battery charges, and passes through the main battery is FTU device load output port energy supply.
2. The battery-powered circuit of claim 1 further comprising a secondary battery charging circuit and a primary battery activation circuit,
the auxiliary battery charging circuit comprises an auxiliary battery, the input end of the auxiliary battery charging circuit is connected with the output end of the main battery charging and discharging circuit, the output end of the auxiliary battery charging circuit is connected with the energy storage load output port and used for charging the auxiliary battery, the auxiliary battery is used for supplying power to the energy storage load output port, and the energy storage load output port is used for supplying power to a spring operation device;
the input end of the main battery activation circuit is connected with a microcontroller, and the output end of the main battery activation circuit is connected with the selection circuit and used for controlling the main battery to discharge and charge so as to activate the main battery according to the control of the microcontroller.
3. The circuit for battery powering of claim 1, wherein said selection circuit comprises:
the first selection branch circuit selectively comprises a first diode, the anode of the first diode is used as the input end of the first selection branch circuit and connected with the anode of the first direct current power supply, the cathode of the first diode is used as the output end of the first selection branch circuit, and the cathode of the first direct current power supply is grounded;
and the second selection branch comprises a second diode, the anode of the second diode is used as the input end of the second selection branch and is connected with the anode of the second direct-current power supply, the cathode of the second diode is used as the output end of the second selection branch, and the cathode of the second direct-current power supply is grounded.
4. The circuit for battery power of claim 1, wherein one plate of said energy storage capacitor is connected to said relay and the other plate is connected to ground;
the pre-charging circuit is used for pre-charging the energy storage capacitor firstly, and the energy is supplied to the main battery charging and discharging circuit after the voltage of the energy storage capacitor reaches a first preset voltage.
5. The circuit as claimed in claim 2, wherein the positive terminal of the main battery is connected to the positive terminal of a third diode, the negative terminal of the main battery is grounded, and when the first dc power source and the second dc power source are both powered off, the main battery supplies power to the FTU device load output port through a fourth diode.
6. A circuit for battery power supply according to claim 1,
the input end of the trickle charging module is used as the output end of the main battery charging and discharging circuit and is connected with the first node;
the output end of the trickle charging module is connected with a resistor;
the regulating end of the trickle charging module is connected between the resistor and the anode of the main battery, and the voltage between the output end of the trickle charging module and the regulating end of the trickle charging module is kept constant through feedback regulation of the regulating end, so that the output voltage of the trickle charging module is kept constant.
7. The circuit as claimed in claim 2, wherein after the voltage of the auxiliary battery is insufficient to supply power, the main battery supplements the auxiliary battery with power through the third diode to maintain the output of the auxiliary battery at a stable voltage.
8. The battery-operated circuit of claim 2, wherein the microcontroller internally sets an activation voltage value, presets a fixed time parameter,
the relay is periodically controlled to be switched off through the fixed time parameter, so that the main battery discharges to a load output port of the FTU device;
and the microcontroller measures the current voltage of the main battery through a sampling port, and when the current voltage of the main battery is detected to be lower than the activation voltage value, the relay is closed again to charge the main battery again.
9. The battery-powered circuit of claim 2 wherein said spring-operated device is powered by said secondary battery to complete operation, said secondary battery stopping discharging when said secondary battery completes powering said spring-operated device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669954.8A CN114640167A (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111669954.8A CN114640167A (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114640167A true CN114640167A (en) | 2022-06-17 |
Family
ID=81945813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111669954.8A Pending CN114640167A (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114640167A (en) |
-
2021
- 2021-12-30 CN CN202111669954.8A patent/CN114640167A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106100096A (en) | A kind of micro-nano satellite low-voltage high-efficiency power-supply system | |
| WO2011148908A1 (en) | Solar cell system | |
| WO2003088373A2 (en) | Hybrid battery configuration | |
| KR20160107173A (en) | Electrochemical energy accumulator and balancing method | |
| CN113725879B (en) | Peak clipping and valley filling energy storage power supply system and method for stock base station | |
| KR100698355B1 (en) | Parallel Pulse Charging Power Conditioning System using more than two batteries for the standalone solar or windpower generation | |
| JP4828511B2 (en) | Backup power supply and control method thereof | |
| CN110739757B (en) | Method and system for quickly starting power supply by short-time high-power load with low-power energy supply | |
| JP2004336974A (en) | Power supply | |
| CN110061559B (en) | Off-line uninterrupted power supply and control method thereof | |
| CN109193885B (en) | Control system of photovoltaic energy storage inverter | |
| CN114640167A (en) | Circuit for supplying power to battery | |
| CN217307327U (en) | Circuit for supplying power to battery | |
| CN206977128U (en) | The battery protection system of new energy | |
| JP4596712B2 (en) | Power storage system | |
| WO2019073652A1 (en) | Electricity storage module and power supply system | |
| CN212875453U (en) | Elevator brake release power supply device | |
| CN114655071A (en) | Battery, battery control method and electric vehicle | |
| CN114336923A (en) | Solar hybrid power supply module and hybrid power supply method | |
| CN209119827U (en) | A kind of automatic energy saving on-line maintenance apparatus and system of petrochemical industry communication base station battery | |
| CN112653225A (en) | Intelligent power management system powered by photovoltaic cell | |
| CN113629839A (en) | Solar power generation system with battery awakening charging function | |
| CN102545274B (en) | Lead-acid battery charger and charging method thereof | |
| JP4177710B2 (en) | Inverter device | |
| WO2018155442A1 (en) | Dc power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |