CN216720979U - Battery charging and discharging power supply control circuit - Google Patents
Battery charging and discharging power supply control circuit Download PDFInfo
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- CN216720979U CN216720979U CN202220052103.2U CN202220052103U CN216720979U CN 216720979 U CN216720979 U CN 216720979U CN 202220052103 U CN202220052103 U CN 202220052103U CN 216720979 U CN216720979 U CN 216720979U
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Abstract
The utility model discloses a battery charging and discharging power supply control circuit, which comprises: the direct current power supply comprises at least two mutually independent direct current power supplies, wherein one direct current power supply is a single-control cathode direct current power supply, the other direct current power supply is a single-control anode direct current power supply, and independent control switches are respectively connected in series in a direct current output cathode of the single-control cathode direct current power supply and a direct current output anode of the single-control anode direct current power supply; if the number of the direct current power supplies exceeds two, the other direct current power supplies are double-control direct current power supplies, the direct current output positive electrodes and the direct current output negative electrodes of the double-control direct current power supplies are respectively connected in series between the single-control negative electrode direct current power supply and the single-control positive electrode direct current power supply through corresponding control switches for series connection, in addition, the direct current output positive electrodes and the direct current output negative electrodes of the double-control direct current power supplies are respectively connected in series with independent control switches, the tail ends of the direct current output positive electrodes of all the direct current power supplies are connected, and the tail ends of the direct current output negative electrodes of all the direct current power supplies are connected. The utility model has very flexible use, greatly widens the output range of voltage and widens the application occasions.
Description
Technical Field
The utility model relates to a control circuit, in particular to a battery charging and discharging power supply control circuit.
Background
At present, a plurality of power supply channels can be independently used and parallelly connected for use in the use of battery formation equipment, the power supply channels are independently used in most cases and can also be parallelly connected for use in some special occasions, and the parallel connection can enlarge the use range of current and meet the requirements of field use processes; in the actual use process, if the batteries need to be formed in a series connection mode, the wires need to be adjusted, and the use is very troublesome.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: a battery charging/discharging power supply control circuit capable of switching between single use, parallel use and series use is provided.
In order to solve the above technical problems, a first technical solution adopted by the present invention is: a battery charging and discharging power supply control circuit comprising: two mutually independent DC power supply, one of them DC power supply is single negative pole DC power supply, promptly: the independent control switch is connected in series on the direct current output negative electrode, the direct current output negative electrode of the single-control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control independent control switch, and the other direct current power supply is a single-control positive electrode direct current power supply, namely: the direct current output positive pole of the single-control positive pole direct current power supply is divided into a power supply output side and a load connection side by the independent control switch; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the power output side of the direct current output anode of the single-control anode direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through a series connection control switch.
In order to solve the above technical problems, a second technical solution adopted by the present invention is: a battery charging and discharging power supply control circuit comprising: three mutually independent DC power supply, one of them DC power supply is single negative pole DC power supply, promptly: the independent control switch is connected in series on the direct current output negative electrode, the direct current output negative electrode of the single control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control switch, and the other direct current power supply is a single control positive electrode direct current power supply, namely: the independent control switch is serially arranged on the direct current output positive electrode, the direct current output positive electrode of the single-control positive electrode direct current power supply is separated into a power supply output side and a load connection side by the independent control switch, and the third direct current power supply is a double-control direct current power supply, namely: the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively connected in series with an independent control switch, and the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively divided into a power supply output side and a load connection side by the corresponding independent control switches; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the double-control direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the load connection side of the direct current output anode of the double-control direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit; the power output side of the direct current output cathode of the single-control cathode direct current power supply is connected with the power output side of the direct current output anode of the double-control direct current power supply through the series control switch, and the power output side of the direct current output cathode of the double-control direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through the series control switch.
In order to solve the above technical problems, a third technical solution adopted by the present invention is: a battery charging and discharging power supply control circuit comprising: at least four mutually independent direct current power supplies, wherein a direct current power supply is single-control negative pole direct current power supply, promptly: the independent control switch is connected in series on the direct current output negative electrode, the direct current output negative electrode of the single control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control switch, and the other direct current power supply is a single control positive electrode direct current power supply, namely: the independent control switch is serially arranged on the direct current output positive electrode, the direct current output positive electrode of the single-control positive electrode direct current power supply is separated into a power supply output side and a load connection side by the independent control switch, and the rest direct current power supplies are double-control direct current power supplies, namely: the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively connected in series with an independent control switch, and the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively divided into a power supply output side and a load connection side by the corresponding independent control switches; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the double-control direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the load connection side of the direct current output anode of the double-control direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit; the power output side of the direct current output cathode of the single-control cathode direct current power supply is connected with the power output side of the direct current output anode of one double-control direct current power supply through a series control switch, the power output side of the direct current output cathode of the double-control direct current power supply is connected with the power output side of the direct current output anode of the next double-control direct current power supply through a series general control switch, and the like, the power output side of the direct current output cathode of the last double-control direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through the series control switch.
The utility model has the beneficial effects that: the utility model has the advantages of very simple and practical structure, low cost and easy realization; through the mutual cooperation of the independent control switch and the control switch for series connection, a plurality of mutually independent direct current power supplies can be used independently (multi-path charging and discharging), in parallel (large current charging and discharging) or in series (large voltage charging and discharging), and rewiring is not needed, so that the use is very flexible, and the application occasions of the formation control circuit are greatly widened.
Drawings
Fig. 1 is a schematic diagram of a single use of a first battery charging/discharging power control circuit according to the present invention.
Fig. 2 is a schematic diagram of parallel connection of the first battery charging/discharging power supply control circuit according to the present invention.
Fig. 3 is a schematic diagram of the series connection of the first battery charging/discharging power control circuit according to the present invention.
Fig. 4 is a schematic diagram of a second battery charging/discharging power control circuit according to the present invention used alone.
Fig. 5 is a schematic diagram of a parallel connection usage of the second battery charging/discharging power control circuit according to the present invention.
Fig. 6 is a schematic diagram of a series connection of a second battery charging/discharging power control circuit according to the present invention.
Fig. 7 is a schematic diagram of the parallel connection of the third battery charging/discharging power control circuit according to the present invention.
Fig. 8 is a schematic diagram of the series connection of the third battery charging/discharging power control circuit according to the present invention.
Detailed Description
The following describes a specific embodiment of a battery charging/discharging power supply control circuit according to the present invention in detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, 2 and 3, a first battery charging/discharging power control circuit according to the present invention includes: two mutually independent DC power supply, one of them DC power supply is single negative pole DC power supply 1, promptly: the independent control switch KM2 is arranged on the direct current output negative electrode of the single-control negative direct current power supply 1 in series, the direct current output negative electrode of the single-control negative direct current power supply 1 is separated into a power supply output side and a load connection side by the control independent control switch KM2, and the other direct current power supply is a single-control positive direct current power supply 3, namely: an independent control switch KM2 is serially arranged on the direct-current output positive electrode of the single-control positive electrode direct-current power supply 3, and the direct-current output positive electrode of the single-control positive electrode direct-current power supply 3 is divided into a power supply output side and a load connection side by the independent control switch KM 2; the output end OUT1+ of the direct current output anode of the single-control cathode direct current power supply 1 is used as the anode output end of the battery charging and discharging power supply control circuit, the output end OUT 3-of the direct current output negative pole of the single-control positive direct current power supply 3 is used as the negative pole output end of the battery charging and discharging power supply control circuit, the output end OUT 1-of the load connection side of the direct current output negative pole of the single-control negative direct current power supply 1 is connected with the negative pole output end of the battery charging and discharging power supply control circuit, the output end OUT3+ of the load connection side of the direct current output positive pole of the single-control positive direct current power supply 3 is connected with the positive pole output end of the battery charging and discharging power supply control circuit, and the power output side of the direct current output negative pole of the single-control negative direct current power supply 1 is connected with the power output side of the direct current output positive pole of the single-control positive direct current power supply 3 through a control switch KM1 for series connection.
When the device works, as shown in fig. 1 (all the series control switches KM1 are turned off, and the independent control switch KM2 is turned on), the single-control negative dc power supply 1 and the single-control positive dc power supply 3 can respectively form batteries BATTERY1 and BATTERY 2; as shown in fig. 2, all the series control switches KM1 are turned off, and the independent control switch KM2 is turned on), so that the single-control negative dc power supply 1 and the single-control positive dc power supply 3 can be connected in parallel to form a BATTERY 11; as shown in fig. 3, all the series control switches KM1 are turned on, and the independent control switch KM2 is turned off), the single-control negative dc power supply 1 and the single-control positive dc power supply 3 may be connected in series to form the BATTERY 11.
Example 2:
as shown in fig. 4, 5 and 6, a second battery charging/discharging power supply control circuit according to the present invention includes: three mutually independent DC power supply, one of them DC power supply is single negative pole DC power supply 1, promptly: the direct current bus of the single-control cathode direct current power supply 1 is provided with an independent control switch KM2 in series, the direct current output cathode of the single-control cathode direct current power supply 1 is separated into a power output side and a load connection side by the control switch KM2, and the other direct current power supply is a single-control anode direct current power supply 3, namely: the direct current output positive pole of the single-control positive pole direct current power supply 3 is provided with an independent control switch KM2 in series, the direct current output positive pole of the single-control positive pole direct current power supply 3 is separated into a power output side and a load connection side by the independent control switch KM2, and the third direct current power supply is a double-control direct current power supply 2, namely: the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply 2 are respectively provided with an independent control switch KM2 in series, and the direct current output positive pole and the direct current output negative pole are respectively divided into a power supply output side and a load connection side by the corresponding independent control switches KM 2; the output end OUT1+ of the direct current output positive pole of the single-control negative pole direct current power supply 1 is used as the positive output end of the battery charging and discharging power supply control circuit, the output end OUT 3-of the direct current output negative pole of the single-control positive pole direct current power supply 3 is used as the negative output end of the battery charging and discharging power supply control circuit, the output end OUT 1-of the load connection side of the direct current output negative pole of the single-control negative pole direct current power supply 1 is connected with the negative output end of the battery charging and discharging power supply control circuit, the output end OUT3+ of the load connection side of the direct current output positive pole of the single-control positive pole direct current power supply 3 is connected with the positive output end of the battery charging and discharging power supply control circuit, the output end OUT2+ of the load connection side of the direct current output positive pole of the direct current power supply 2 is connected with the positive output end of the battery charging and discharging power supply control circuit, and the output end OUT 2-of the load connection side of the direct current output negative pole of the double-control direct current power supply 2 is connected with the battery charging and discharging power supply control circuit The output end of the negative electrode is connected; the power output side of the direct-current output cathode of the single-control cathode direct-current power supply 1 is connected with the power output side of the direct-current output anode of the double-control direct-current power supply 2 through a series control switch KM1, and the power output side of the direct-current output cathode of the double-control direct-current power supply 2 is connected with the power output side of the direct-current output anode of the single-control anode direct-current power supply 3 through a series control switch KM 1.
When the device works, as shown in fig. 4 (all the control switches KM1 for series connection are turned off, and the independent control switch KM2 is turned on), the single-control negative dc power supply 1, the double-control dc power supply 2, and the single-control positive dc power supply 3 can respectively form batteries BATTERY1, BATTERY 2, and BATTERY 3; as shown in fig. 5 (all the serial control switches KM1 are turned off, and the independent control switch KM2 is turned on), the single-control negative dc power supply 1, the double-control dc power supply 2, and the single-control positive dc power supply may be connected in parallel to form a BATTERY 11; as shown in fig. 6 (all the series control switches KM1 are turned on, and the independent control switch KM2 is turned off), the single-control negative dc power supply 1, the dual-control dc power supply 2, and the single-control positive dc power supply may be connected in series to form the BATTERY 12.
Example 3:
as shown in fig. 7 and 8, the third battery charging/discharging power control circuit according to the present invention includes: four mutually independent DC power supply, one of them DC power supply is single negative pole DC power supply 1, promptly: the independent control switch KM2 is arranged on the direct current output negative pole of the single-control negative pole direct current power supply 1 in series, the direct current output negative pole of the single-control negative pole direct current power supply is divided into a power supply output side and a load connection side by the control switch KM2, and the other direct current power supply is a single-control positive pole direct current power supply 3, namely: the independent control switch KM2 is serially arranged on the direct current output positive electrode of the single-control positive electrode direct current power supply 3, the direct current output positive electrode of the single-control positive electrode direct current power supply 3 is separated into a power supply output side and a load connection side by the independent control switch KM2, and the other two direct current power supplies are respectively a first double-control direct current power supply 21 and a second double-control direct current power supply 22, namely: the direct-current output positive electrodes and the direct-current output negative electrodes of the first dual-control direct-current power supply 21 and the second dual-control direct-current power supply 22 are respectively provided with an independent control switch KM2 in series, and the direct-current output positive electrodes and the direct-current output negative electrodes of the first dual-control direct-current power supply 21 and the second dual-control direct-current power supply 22 are respectively separated into a power supply output side and a load connection side by corresponding independent control switches KM 2; the output end OUT1+ of the direct current output positive pole of the single-control negative pole direct current power supply 1 is used as the positive output end of the battery charging and discharging power supply control circuit, the output end OUT 3-of the direct current output negative pole of the single-control positive pole direct current power supply 3 is used as the negative output end of the battery charging and discharging power supply control circuit, the output end OUT 1-of the load connection side of the direct current output negative pole of the single-control negative pole direct current power supply 1 is connected with the negative output end of the battery charging and discharging power supply control circuit, the output end OUT3+ of the load connection side of the direct current output positive pole of the single-control positive pole direct current power supply 3 is connected with the positive output end of the battery charging and discharging power supply control circuit, the output end OUT21+ of the direct current output positive pole of the first double-control direct current power supply 21 and the output end OUT22+ of the load connection side of the direct current output positive pole of the second double-control direct current power supply 22 are connected with the positive output end of the battery charging and discharging power supply control circuit, the output end OUT 21-on the load connection side of the DC output cathode of the first dual-control DC power supply 21 and the output end OUT 22-on the load connection side of the DC output cathode of the second dual-control DC power supply 22 are connected with the cathode output end of the battery charging and discharging power supply control circuit; the power output side of the dc output cathode of the single-control cathode dc power supply 1 is connected to the power output side of the dc output anode of the first dual-control dc power supply 21 through a series control switch KM1, the power output side of the dc output cathode of the first dual-control dc power supply 21 is connected to the power output side of the dc output anode of the second dual-control dc power supply 22 through a series universal control switch KM1, and the power output side of the dc output cathode of the second dual-control dc power supply 22 is connected to the power output side of the dc output anode of the single-control anode dc power supply 3 through a series control switch KM 1.
During operation, the single-control negative dc power supply 1, the first dual-control dc power supplies 21 and 22, and the single-control positive dc power supply 3 can respectively form corresponding batteries (see fig. 1 and 4, which will not be described herein); as shown in fig. 7 (all the series control switches KM1 are turned off, and the independent control switch KM2 is turned on), the single-control negative dc power supply 1, the first dual-control dc power supplies 21 and 22, and the single-control positive dc power supply 3 may be connected in parallel to form a BATTERY 11; as shown in fig. 8 (all the series control switches KM1 are turned on, and the independent control switch KM2 is turned off), the single-control negative dc power supply 1, the first dual-control dc power supplies 21 and 22, and the single-control positive dc power supply 3 may be connected in series to form the BATTERY 12.
In practical application, the dc power source may be formed by separately rectifying a plurality of independent isolated windings from the secondary side of the transformer.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the utility model, and all equivalent changes and modifications made in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.
Claims (3)
1. A battery charging and discharging power supply control circuit comprising: two mutually independent direct current power supply, its characterized in that: one of them DC power supply is single negative pole DC power supply, promptly: the independent control switch is serially arranged on the direct current output negative electrode, the direct current output negative electrode of the single control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control independent control switch, and the other direct current power supply is a single control positive electrode direct current power supply, namely: the direct current output positive pole of the single control positive pole direct current power supply is serially provided with an independent control switch, and the direct current output positive pole of the single control positive pole direct current power supply is separated into a power supply output side and a load connection side by the independent control switch; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the power output side of the direct current output anode of the single-control anode direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through a series connection control switch.
2. A battery charging and discharging power supply control circuit comprising: three mutually independent direct current power supply, its characterized in that: one of them DC power supply is single negative pole DC power supply, promptly: the independent control switch is connected in series on the direct current output negative electrode, the direct current output negative electrode of the single control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control switch, and the other direct current power supply is a single control positive electrode direct current power supply, namely: the independent control switch is serially arranged on the direct current output positive electrode, the direct current output positive electrode of the single-control positive electrode direct current power supply is separated into a power supply output side and a load connection side by the independent control switch, and the third direct current power supply is a double-control direct current power supply, namely: the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively connected in series with an independent control switch, and the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively divided into a power supply output side and a load connection side by the corresponding independent control switches; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the double-control direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the load connection side of the direct current output anode of the double-control direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit; the power output side of the direct current output cathode of the single-control cathode direct current power supply is connected with the power output side of the direct current output anode of the double-control direct current power supply through the series control switch, and the power output side of the direct current output cathode of the double-control direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through the series control switch.
3. A battery charging and discharging power supply control circuit comprising: at least four independent DC power supply, its characterized in that: one of them DC power supply is single negative pole DC power supply, promptly: the independent control switch is connected in series on the direct current output negative electrode, the direct current output negative electrode of the single control negative electrode direct current power supply is separated into a power supply output side and a load connection side by the control switch, and the other direct current power supply is a single control positive electrode direct current power supply, namely: the independent control switch is serially arranged on the direct current output positive electrode, the direct current output positive electrode of the single-control positive electrode direct current power supply is separated into a power supply output side and a load connection side by the independent control switch, and the rest direct current power supplies are double-control direct current power supplies, namely: the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively connected in series with an independent control switch, and the direct current output positive pole and the direct current output negative pole of the double-control direct current power supply are respectively divided into a power supply output side and a load connection side by the corresponding independent control switches; the output end of the direct current output anode of the single-control anode direct current power supply is used as the anode output end of the battery charging and discharging power supply control circuit, the output end of the direct current output anode of the single-control anode direct current power supply is used as the cathode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the single-control anode direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, the load connection side of the direct current output anode of the double-control direct current power supply is connected with the anode output end of the battery charging and discharging power supply control circuit, and the load connection side of the direct current output anode of the double-control direct current power supply is connected with the cathode output end of the battery charging and discharging power supply control circuit; the power output side of the direct current output cathode of the single-control cathode direct current power supply is connected with the power output side of the direct current output anode of one double-control direct current power supply through a series control switch, the power output side of the direct current output cathode of the double-control direct current power supply is connected with the power output side of the direct current output anode of the next double-control direct current power supply through a series general control switch, and the like, the power output side of the direct current output cathode of the last double-control direct current power supply is connected with the power output side of the direct current output anode of the single-control anode direct current power supply through the series control switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220052103.2U CN216720979U (en) | 2022-01-10 | 2022-01-10 | Battery charging and discharging power supply control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220052103.2U CN216720979U (en) | 2022-01-10 | 2022-01-10 | Battery charging and discharging power supply control circuit |
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| CN216720979U true CN216720979U (en) | 2022-06-10 |
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| CN202220052103.2U Active CN216720979U (en) | 2022-01-10 | 2022-01-10 | Battery charging and discharging power supply control circuit |
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