CN217307327U - Circuit for supplying power to battery - Google Patents
Circuit for supplying power to battery Download PDFInfo
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- CN217307327U CN217307327U CN202123411843.5U CN202123411843U CN217307327U CN 217307327 U CN217307327 U CN 217307327U CN 202123411843 U CN202123411843 U CN 202123411843U CN 217307327 U CN217307327 U CN 217307327U
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- main battery
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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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 utility model relates to a power equipment communication is applied to the circuit that the FTU device load output port of utmost point post direct current was got the power supply.
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.
SUMMERY OF THE UTILITY MODEL
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 circuit for battery power supply, which is applied to an FTU device load output port for dc power taking of an electrode, 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 both sides of the electrode to supply power, and the dc power supplies on both 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 element,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies on two sides, and the output end of the selection circuit is connected with the input end of a 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 main battery charging and discharging circuit comprises a main battery, and the output end of the main battery charging and discharging circuit is connected with the load output port of the FTU device.
Preferably, it 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 the energy storage load output port is connected with 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.
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 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.
The main battery is connected with a third diode, and the third diode is connected with the load output port of the FTU device.
Preferably, one polar plate of the energy storage capacitor is connected with the relay, and the other polar plate is grounded.
Preferably, the anode of the main battery is connected to the anode of the auxiliary battery through a third diode, the cathode of the main battery is grounded, and the main battery is connected 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 a first node;
the output end of the trickle charging module is connected with a resistor;
and the adjusting end of the trickle charging module is connected between the resistor and the anode of the main battery.
Has the advantages that: the FTU device load output port can be operated for a long time, a power-taking PT device can be omitted, the installation, deployment and debugging difficulty is simplified, the switching-off and switching-on operations of the pole circuit breaker can be completed at any time after the FTU device is started, and the FTU device load output port is completely maintenance-free within 8-10 years.
Drawings
FIG. 1 is a schematic diagram of a battery powered device according to a preferred embodiment of the present invention;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The present invention is not limited to this embodiment, and other embodiments may also belong to 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, based on the above problems in the prior art, there is provided a battery-powered circuit applied to an FTU device load output port 1 for dc power taking of an electrode, wherein 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 utilizes dc power supplies on both sides of the electrode to supply power, and the dc power supplies on both sides are a first dc power supply P1 and a second dc power supply P2 respectively;
the circuit further comprises a control unit for controlling the switching unit,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies on the two sides, and the output end of the selection circuit is connected with the input end of a pre-charging circuit;
the pre-charging circuit comprises an output end of an energy storage capacitor pre-charging circuit which 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;
the main battery charging and discharging circuit comprises a main battery, and the output end of the main battery charging and discharging circuit is connected with the load output port 1 of the FTU device.
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 device is automatically supplied with power to the whole machine, and when any side has a point, the load output port 1 of the FTU device can work; the main battery charging and discharging circuit realizes the automatic charging and discharging of the battery through the control of the microcontroller 33, and can effectively prolong the service life of the main battery B1.
In the preferred embodiment of the present invention, the battery 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 the energy storage load output port 2 is connected with an elastic 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 the selection circuit.
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 high selection circuit comprises,
the first selection branch selectively comprises a first diode D1, the anode of the first diode D1 is used as the input end of the first selection branch and is connected with the anode of a first direct current power supply P1, the cathode of the first diode D1 is used as the output end of the first selection branch, and the cathode of the first direct current power supply P1 is grounded;
the second selection branch comprises a second diode D2, an anode of the second diode D2 is used as an input terminal of the second selection branch, and is connected to an anode of the second dc power supply P2, a cathode of the second diode D2 is used as an output terminal of the second selection branch, and a cathode of the second dc power supply P2 is grounded.
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 33, and can effectively prolong the service life of the main battery B1.
In the preferred embodiment of the present invention, the battery charging circuit 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 the energy storage load output port 2 is connected with an elastic 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 the selection circuit.
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 comprises:
the first selection branch selectively comprises a first diode D1, the anode of the first diode D1 is used as the input end of the first selection branch and is connected with the anode of a first direct current power supply P1, the cathode of the first diode D1 is used as the output end of the first selection branch, and the cathode of the first direct current power supply P1 is grounded;
the second selection branch comprises a second diode D2, an anode of the second diode D2 is used as an input terminal of the second selection branch, and is connected to an anode of the second dc power supply P2, a cathode of the second diode D2 is used as an output terminal of the second selection branch, and a cathode of the second dc power supply P2 is grounded.
Specifically, after the power supplies on the two sides pass through the high-voltage 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.
The utility model discloses in the embodiment of preferred converges, the relay is connected to energy storage capacitor's a polar plate, and another polar plate ground connection.
Specifically, after the power supplies on the two sides pass through the high-voltage 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 equipment can be normally started to operate
The utility model discloses in the preferred embodiment of preferred, the positive pole of auxiliary battery is connected through third diode D3 to the positive pole of main battery, and the negative pole ground connection of main battery, main battery pass through a fourth diode D4, connect FTU device load output port 1.
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 of 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 both sides lose power simultaneously, the main battery B1 supplies power to the load output port 1 of the FTU device through the third diode D3, until the main battery is completely discharged, the FTU is powered off, and when the power supplies on both sides supply power again, the electric quantity of the main battery B1 gradually increases.
In a preferred embodiment of the present invention, the charging device further comprises a trickle charge module 4, wherein an input terminal of the trickle charge module 4 is used as an output terminal 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.
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.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent and obvious changes made from the description and drawings should be included within the scope of the present invention.
Claims (6)
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 further comprises a control circuit for controlling the switching element,
the input end of the selection circuit is respectively connected with the output ends of the direct current power supplies on two sides, and the output end of the selection circuit is connected with the input end of a 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 main battery charging and discharging circuit comprises a main battery, and the output end of the main battery charging and discharging circuit is connected with the load output port of the FTU device.
2. The 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 the energy storage load output port is connected with 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.
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 battery-operated circuit of claim 1, wherein one plate of the energy storage capacitor is connected to the relay and the other plate is connected to ground.
5. The circuit for supplying power to a battery of claim 2, wherein the anode of said main battery is connected to the anode of said auxiliary battery through a third diode, the cathode of said main battery is grounded, and said main battery is connected to said FTU device load output port through a fourth diode.
6. A circuit for battery power supply according to claim 1,
the charging circuit also comprises a trickle charging module, wherein 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 a first node;
the output end of the trickle charging module is connected with a resistor;
and the adjusting end of the trickle charging module is connected between the resistor and the anode of the main battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411843.5U CN217307327U (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123411843.5U CN217307327U (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217307327U true CN217307327U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123411843.5U Active CN217307327U (en) | 2021-12-30 | 2021-12-30 | Circuit for supplying power to battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217307327U (en) |
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2021
- 2021-12-30 CN CN202123411843.5U patent/CN217307327U/en active Active
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