CN107947253B - Battery pack parallel and serial interlocking device - Google Patents
Battery pack parallel and serial interlocking device Download PDFInfo
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- CN107947253B CN107947253B CN201710824245.XA CN201710824245A CN107947253B CN 107947253 B CN107947253 B CN 107947253B CN 201710824245 A CN201710824245 A CN 201710824245A CN 107947253 B CN107947253 B CN 107947253B
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- electrically connected
- battery pack
- storage battery
- load switch
- photoelectric
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- 230000003287 optical effect Effects 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000004148 unit process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- H02J7/0026—
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery pack parallel and serial linkage device which comprises a closing bus, a first battery pack, a second battery pack, a linkage device and a charging module. The interlocking device comprises an operation box, wherein the operation box comprises a first quick load switch, a second quick load switch, a knob, a gear, a rack and a storage battery circuit. The charging module comprises a switching power supply, a first inversion module and a second inversion module. The operation box also comprises a photoelectric lock, wherein the photoelectric lock comprises a direct-current power supply, a light source, an electromagnetic unit, a timing unit, a control unit, an alarm, a photoelectric key and a light receiver. The invention provides a battery pack parallel and series connection interlocking device which can rapidly switch series connection and parallel connection of battery packs, has protection measures and is provided with a charging module.
Description
Technical Field
The invention relates to the field of emergency power supplies, in particular to a battery pack parallel and serial interlocking device.
Background
When the DC system needs to be overhauled or salvageed, the two groups of storage batteries are pulled to the site, and are connected in series for use through manual connection; when the DC110V direct current system is needed to be repaired or rush-repaired, any group of storage batteries needs to be pulled to the site, and a temporary power supply is provided for the direct current system through manual wiring. In the manual wiring process, the connecting screw can be screwed and loosened, the contact is poor, the heat is generated to cause accidents, and the short circuit accidents are caused by mistakenly touching the anode and the cathode of the storage battery.
The invention discloses a method for connecting batteries in a battery pack in series and in parallel, which comprises the battery pack, a conductive plate and an elastic tongue piece, and is named as Chinese patent No. CN101719540A on the 6.2.2010 date, and provides a method for connecting batteries in series and in parallel in the battery pack, which improves the working efficiency of a combined battery, ensures that the combined battery and a split battery have no damage to the batteries and is very convenient for replacing the maintenance batteries of the battery pack.
Disclosure of Invention
The invention aims to solve the problems that the series connection and the parallel connection of the battery packs cannot be adjusted quickly and no protective measures exist, and provides a battery pack parallel and series connection interlocking device which can quickly switch the series connection and the parallel connection of the battery packs, has protective measures and has a charging module.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a battery pack parallel and series connection interlocking device is characterized by comprising:
the input end of the closing bus is electrically connected with the power supply, and the output end of the closing bus is electrically connected with the first storage battery pack and the second storage battery pack;
the input end of the first storage battery pack is electrically connected with the output end of the closing bus, and the output end of the first storage battery pack is electrically connected with the load;
the input end of the second storage battery pack is electrically connected with the output end of the closing bus, and the output end of the second storage battery pack is electrically connected with the load;
and the interlocking device is used for controlling the wiring states of the first storage battery pack and the second storage battery pack and is respectively and electrically connected with the first storage battery pack and the second storage battery pack.
Preferably, the interlocking device includes an operation box, and the operation box includes:
the first quick load switch comprises a plurality of contacts and a plurality of throwing sheets, the first side of the first quick load switch is electrically connected with the first storage battery pack and the second storage battery pack respectively, and the second side of the first quick load switch is electrically connected with the closing bus;
the first side of the first quick load switch is electrically connected with the first storage battery pack and the second storage battery pack respectively, and the second side of the first quick load switch is electrically connected with the switching-on bus;
the knob is arranged on the surface of the operation box and is meshed with the gear;
one side of the gear is meshed with the knob, and the gear is tightly matched with the rack;
and the rack is meshed with the gear, one side of the rack is hinged with the first quick load switch, and the other side of the rack is hinged with the second quick load switch.
Preferably, the battery pack further includes a battery circuit including:
the input end of the storage battery circuit is electrically connected with a closing bus, and the output end of the storage battery circuit is electrically connected with a load;
the positive pole of the first storage battery pack is electrically connected with the first end of the first fuse through the combined fuse, the second end of the first fuse is electrically connected with the second end of the first fast load switch, the fourth end of the first fast load switch is electrically connected with the first end of the second fuse, the second end of the second fuse is electrically connected with the negative pole of the first storage battery pack through the combined fuse, the first end and the fifth end of the first fast load switch are respectively electrically connected with the positive output end of the storage battery pack circuit, the third end and the seventh end of the first fast load switch are respectively electrically connected with the negative output end of the storage battery pack circuit, the positive pole of the second storage battery pack is respectively electrically connected with the first end of the third fuse and the second end of the second fast load switch through the combined fuse, the second end of the third fuse is electrically connected with the sixth end of the first fast load switch, and the first end of the fourth fuse is electrically connected with the negative pole of the second storage, the sixth end of the second fast load switch is respectively electrically connected with the second end of the fourth fuse and the eighth end of the first fast load switch, the fourth end of the second fast load switch is electrically connected with the second end of the first fast load switch, the third end of the second fast load switch is electrically connected with the positive output end of the storage battery pack circuit, the fifth end of the second fast load switch is electrically connected with the negative output end of the storage battery pack circuit, the first end of the second fast load switch is electrically connected with the second end of the second fuse, and the second end of the second fast load switch is electrically connected with the first end of the third fuse.
Preferably, the charging device comprises a charging module, wherein the charging module comprises:
the input end of the switching power supply is electrically connected with the alternating current power supply, the first output end of the switching power supply is electrically connected with the first input end of the inversion module through the second quick load switch, and the second output end of the switching power supply is electrically connected with the second input end of the inversion module;
the first input end of the first inversion module is electrically connected with the second quick load switch, the second input end of the first inversion module is electrically connected with the switch power supply, and the output end of the first inversion module is electrically connected with the closing bus;
and the input end of the second inversion module is electrically connected with the alternating current power supply, and the output end of the second inversion module is electrically connected with the closing bus.
Preferably, the operation box further includes a photoelectric lock, the photoelectric lock includes a lock body, and the operation box further includes:
the direct current power supply is arranged inside the lock body;
the input end of the light source is electrically connected with the direct current power supply, and the output end of the light source is connected with the photoelectric key through the optical fiber connector;
the input end of the electromagnetic unit is electrically connected with a direct current power supply through a photoelectric key, and the output end of the electromagnetic unit is electrically connected with the control unit through an electromagnet;
the input end of the timing unit is electrically connected with the direct-current power supply, and the output end of the timing unit is electrically connected with the control unit;
the input end of the control unit is electrically connected with the photoelectric key through the electromagnet and is electrically connected with the output end of the timing unit, and the output end of the control unit is respectively electrically connected with the control end of an electric valve for controlling the lock body to be opened and closed and the input end of the alarm;
the input end of the alarm is electrically connected with the control unit;
the top of the photoelectric key is respectively electrically connected with the direct-current power supply and the electromagnetic unit, the fiber bragg grating in the photoelectric key is connected with the output end of the light source through the light joint, and the other end of the fiber bragg grating is provided with a spring piece;
and the optical receiver is arranged inside the photoelectric key, the input end of the optical receiver is connected with the fiber bragg grating, and the other end of the optical receiver is electrically connected with the control unit through the electromagnet.
Preferably, the method for unlocking the photoelectric lock comprises the following steps:
inserting a photoelectric key into a photoelectric lock;
step two, the electromagnetic unit is conducted, the electromagnet is magnetized, and the other end of the photoelectric key is attracted;
transmitting the optical signal emitted by the light source to the optical receiver through the optical fiber interface and the fiber bragg grating;
converting the optical signal into an electric signal by the optical receiver, and inputting the electric signal into the control unit through the electromagnetic unit;
and step five, the control unit receives the electric signal, processes the electric signal and inputs the processed electric signal into a control end of an electric valve for controlling the lock body to be opened and closed, and the photoelectric lock is opened.
Preferably, a method of warning a photoelectric lock is included, comprising the steps of:
inserting a photoelectric key into a photoelectric lock;
step two, the electromagnetic unit is conducted, the electromagnet is magnetized, and the other end of the photoelectric key is attracted;
thirdly, electrifying the timing unit and starting timing;
step four, after a plurality of seconds, if the photoelectric key is not matched with the photoelectric lock, the control unit does not receive the electric signal, and the timing unit sends the electric signal to the control unit;
and step five, the control unit processes the signals of the timing unit and transmits the signals to an alarm, and the alarm gives an alarm.
The practical effects of the invention are as follows:
(1) the series connection and the parallel connection of the battery packs can be rapidly switched;
(2) the storage battery pack can be charged during working;
(3) the photoelectric lock is provided, and the device is effectively protected.
Drawings
FIG. 1 is a circuit diagram of a battery cell circuit for a battery pack parallel and series interlock arrangement;
FIG. 2 is a circuit diagram of a battery pack connection circuit of a battery pack parallel and series interlock arrangement;
FIG. 3 is a schematic diagram of a photovoltaic lock structure of a battery pack parallel and serial interlocking device;
FIG. 4 is a circuit diagram of a photovoltaic lock of a parallel and series battery pack interlocking device;
in the figure: 1. the device comprises a control unit 2, a timing unit 3, an electromagnetic unit 4, a fiber grating 5, a light receiver 6, a light source 7 and a spring piece.
Detailed Description
As shown in fig. 1, the battery circuit includes:
the input end of the storage battery circuit is electrically connected with a closing bus, and the output end of the storage battery circuit is electrically connected with a load;
the positive pole of the first storage battery pack is electrically connected with the first end of the first fuse through the combined fuse, the second end of the first fuse is electrically connected with the second end of the first fast load switch, the fourth end of the first fast load switch is electrically connected with the first end of the second fuse, the second end of the second fuse is electrically connected with the negative pole of the first storage battery pack through the combined fuse, the first end and the fifth end of the first fast load switch are respectively electrically connected with the positive output end of the storage battery pack circuit, the third end and the seventh end of the first fast load switch are respectively electrically connected with the negative output end of the storage battery pack circuit, the positive pole of the second storage battery pack is respectively electrically connected with the first end of the third fuse and the second end of the second fast load switch through the combined fuse, the second end of the third fuse is electrically connected with the sixth end of the first fast load switch, and the first end of the fourth fuse is electrically connected with the negative pole of the second storage, the sixth end of the second fast load switch is respectively electrically connected with the second end of the fourth fuse and the eighth end of the first fast load switch, the fourth end of the second fast load switch is electrically connected with the second end of the first fast load switch, the third end of the second fast load switch is electrically connected with the positive output end of the storage battery pack circuit, the fifth end of the second fast load switch is electrically connected with the negative output end of the storage battery pack circuit, the first end of the second fast load switch is electrically connected with the second end of the second fuse, and the second end of the second fast load switch is electrically connected with the first end of the third fuse.
As shown in fig. 2, the batteries in the battery pack are connected in series.
As shown in fig. 3, the photoelectric lock includes a lock body, and further includes:
the direct current power supply is arranged inside the lock body;
the input end of the light source 6 is electrically connected with a direct current power supply, and the output end of the light source 6 is connected with the photoelectric key through an optical fiber connector;
the input end of the electromagnetic unit 3 is electrically connected with a direct current power supply through a photoelectric key, and the output end of the electromagnetic unit 3 is electrically connected with the control unit 1 through an electromagnet;
the input end of the timing unit 2 is electrically connected with the direct-current power supply, and the output end of the timing unit 2 is electrically connected with the control unit 1;
the input end of the control unit 1 is electrically connected with the photoelectric key through the electromagnet and is electrically connected with the output end of the timing unit 2, and the output end of the control unit 1 is electrically connected with the control end of an electric valve for controlling the lock body to be opened and closed and the input end of an alarm respectively;
the input end of the alarm is electrically connected with the control unit 1;
the photoelectric key is matched with the lock body, the top of the photoelectric key is respectively electrically connected with the direct current power supply and the electromagnetic unit 3, the fiber bragg grating 4 in the photoelectric key is connected with the output end of the light source 6 through the light joint, and the other end of the fiber bragg grating is provided with a spring leaf 7;
and the light receiver 5 is arranged in the photoelectric key, the input end of the light receiver 5 is connected with the fiber bragg grating 4, and the other end of the light receiver 5 is electrically connected with the control unit 1 through the electromagnet.
As shown in fig. 4, after the photoelectric key is inserted, the control circuit is turned on, the electromagnetic unit 3 is turned on, the electromagnet is magnetized, the spring plate 7 is attracted, the spring switch in the photoelectric circuit is turned on when closed, the light source 6 emits light signals, the light signals are transmitted to the light receiver 5 after being filtered by the fiber bragg grating 4, the light receiver 5 converts the light signals into electric signals, the photoelectric switch in the photoelectric circuit is turned on when closed, the electric signals are transmitted to the control end of the electric valve for controlling the lock body switch after being processed by the control unit 1, and the photoelectric lock is opened.
The above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (6)
1. A battery pack parallel and series connection interlocking device is characterized by comprising:
the input end of the closing bus is electrically connected with the power supply, and the output end of the closing bus is electrically connected with the first storage battery pack and the second storage battery pack;
the input end of the first storage battery pack is electrically connected with the output end of the closing bus, and the output end of the first storage battery pack is electrically connected with the load;
the input end of the second storage battery pack is electrically connected with the output end of the closing bus, and the output end of the second storage battery pack is electrically connected with the load;
the interlocking device is used for controlling the wiring states of the first storage battery pack and the second storage battery pack and is respectively and electrically connected with the first storage battery pack and the second storage battery pack;
the interlocking device includes the control box, and the control box includes:
the first quick load switch comprises a plurality of contacts and a plurality of throwing sheets, the first side of the first quick load switch is electrically connected with the first storage battery pack and the second storage battery pack respectively, and the second side of the first quick load switch is electrically connected with the closing bus;
the first side of the first quick load switch is electrically connected with the first storage battery pack and the second storage battery pack respectively, and the second side of the first quick load switch is electrically connected with the switching-on bus;
the knob is arranged on the surface of the operation box and is meshed with the gear;
one side of the gear is meshed with the knob, and the gear is tightly matched with the rack;
and the rack is meshed with the gear, one side of the rack is hinged with the first quick load switch, and the other side of the rack is hinged with the second quick load switch.
2. The battery pack parallel and series interlock device of claim 1, further comprising a battery circuit, the battery circuit comprising:
the input end of the storage battery circuit is electrically connected with a closing bus, and the output end of the storage battery circuit is electrically connected with a load;
the positive pole of the first storage battery pack is electrically connected with the first end of the first fuse through the combined fuse, the second end of the first fuse is electrically connected with the second end of the first fast load switch, the fourth end of the first fast load switch is electrically connected with the first end of the second fuse, the second end of the second fuse is electrically connected with the negative pole of the first storage battery pack through the combined fuse, the first end and the fifth end of the first fast load switch are respectively electrically connected with the positive output end of the storage battery pack circuit, the third end and the seventh end of the first fast load switch are respectively electrically connected with the negative output end of the storage battery pack circuit, the positive pole of the second storage battery pack is respectively electrically connected with the first end of the third fuse and the second end of the second fast load switch through the combined fuse, the second end of the third fuse is electrically connected with the sixth end of the first fast load switch, and the first end of the fourth fuse is electrically connected with the negative pole of the second storage, the sixth end of the second fast load switch is respectively electrically connected with the second end of the fourth fuse and the eighth end of the first fast load switch, the fourth end of the second fast load switch is electrically connected with the second end of the first fast load switch, the third end of the second fast load switch is electrically connected with the positive output end of the storage battery pack circuit, the fifth end of the second fast load switch is electrically connected with the negative output end of the storage battery pack circuit, the first end of the second fast load switch is electrically connected with the second end of the second fuse, and the second end of the second fast load switch is electrically connected with the first end of the third fuse.
3. The battery pack parallel and series connection interlocking device according to claim 2, comprising a charging module, wherein the charging module comprises:
the input end of the switching power supply is electrically connected with the alternating current power supply, the first output end of the switching power supply is electrically connected with the first input end of the inversion module through the second quick load switch, and the second output end of the switching power supply is electrically connected with the second input end of the inversion module;
the first input end of the first inversion module is electrically connected with the second quick load switch, the second input end of the first inversion module is electrically connected with the switch power supply, and the output end of the first inversion module is electrically connected with the closing bus;
and the input end of the second inversion module is electrically connected with the alternating current power supply, and the output end of the second inversion module is electrically connected with the closing bus.
4. The battery pack parallel and serial interlocking device as claimed in claim 1, wherein the operation box further comprises a photoelectric lock, the photoelectric lock comprises a lock body, and the device further comprises:
the direct current power supply is arranged inside the lock body;
the input end of the light source is electrically connected with the direct current power supply, and the output end of the light source is connected with the photoelectric key through the optical fiber connector;
the input end of the electromagnetic unit is electrically connected with a direct current power supply through a photoelectric key, and the output end of the electromagnetic unit is electrically connected with the control unit through an electromagnet;
the input end of the timing unit is electrically connected with the direct-current power supply, and the output end of the timing unit is electrically connected with the control unit;
the input end of the control unit is electrically connected with the photoelectric key through the electromagnet and is electrically connected with the output end of the timing unit, and the output end of the control unit is respectively electrically connected with the control end of an electric valve for controlling the lock body to be opened and closed and the input end of the alarm;
the input end of the alarm is electrically connected with the control unit;
the top of the photoelectric key is respectively electrically connected with the direct-current power supply and the electromagnetic unit, the fiber bragg grating in the photoelectric key is connected with the output end of the light source through the light joint, and the other end of the fiber bragg grating is provided with a spring piece;
and the optical receiver is arranged inside the photoelectric key, the input end of the optical receiver is connected with the fiber bragg grating, and the other end of the optical receiver is electrically connected with the control unit through the electromagnet.
5. An unlocking method of a photoelectric lock, which is suitable for the parallel and series connection interlocking device of the battery pack as claimed in claim 4, and is characterized by comprising the following steps:
inserting a photoelectric key into a photoelectric lock;
step two, the electromagnetic unit is conducted, the electromagnet is magnetized, and the other end of the photoelectric key is attracted;
transmitting the optical signal emitted by the light source to the optical receiver through the optical fiber interface and the fiber bragg grating;
converting the optical signal into an electric signal by the optical receiver, and inputting the electric signal into the control unit through the electromagnetic unit;
and step five, the control unit receives the electric signal, processes the electric signal and inputs the processed electric signal into a control end of an electric valve for controlling the lock body to be opened and closed, and the photoelectric lock is opened.
6. A method of unlocking an electro-optical lock according to claim 5, including a method of alarming the electro-optical lock, comprising the steps of:
inserting a photoelectric key into a photoelectric lock;
step two, the electromagnetic unit is conducted, the electromagnet is magnetized, and the other end of the photoelectric key is attracted;
thirdly, electrifying the timing unit and starting timing;
step four, after a plurality of seconds, if the photoelectric key is not matched with the photoelectric lock, the control unit does not receive the electric signal, and the timing unit sends the electric signal to the control unit;
and step five, the control unit processes the signals of the timing unit and transmits the signals to an alarm, and the alarm gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824245.XA CN107947253B (en) | 2017-09-13 | 2017-09-13 | Battery pack parallel and serial interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710824245.XA CN107947253B (en) | 2017-09-13 | 2017-09-13 | Battery pack parallel and serial interlocking device |
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| CN107947253A CN107947253A (en) | 2018-04-20 |
| CN107947253B true CN107947253B (en) | 2020-04-14 |
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| CN201710824245.XA Active CN107947253B (en) | 2017-09-13 | 2017-09-13 | Battery pack parallel and serial interlocking device |
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| CN101719540A (en) * | 2009-11-06 | 2010-06-02 | 李然 | Method for connecting batteries in battery packs in series and in parallel |
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| CN203604964U (en) * | 2013-12-24 | 2014-05-21 | 七台河宝泰隆甲醇有限公司 | Electric interlocking starter of oxygen compressor oil pump control circuit |
| CN205178636U (en) * | 2015-11-20 | 2016-04-20 | 无锡斯达四方电气有限公司 | Computer type high frequency switch DC power supply cabinet |
| CN206023211U (en) * | 2016-07-29 | 2017-03-15 | 国网山东省电力公司东营供电公司 | A kind of little bar coupler blocking device of direct current |
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2017
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719540A (en) * | 2009-11-06 | 2010-06-02 | 李然 | Method for connecting batteries in battery packs in series and in parallel |
| CN201717670U (en) * | 2010-07-06 | 2011-01-19 | 湖南丰日电源电气股份有限公司 | Dual-power-supply switching device with overvoltage protection |
| CN201868276U (en) * | 2010-12-08 | 2011-06-15 | 河南省电力公司许昌供电公司 | Misoperation-preventing interlocking device of low-voltage cabinet |
| CN202260610U (en) * | 2011-08-31 | 2012-05-30 | 云南电网公司曲靖供电局 | Automatic switching device for two power supplies of direct-current system |
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| CN203604964U (en) * | 2013-12-24 | 2014-05-21 | 七台河宝泰隆甲醇有限公司 | Electric interlocking starter of oxygen compressor oil pump control circuit |
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| Publication number | Publication date |
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| CN107947253A (en) | 2018-04-20 |
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Address after: 321000 Bichun Road 388, Wucheng District, Jinhua City, Zhejiang Province Patentee after: ZHEJIANG STED ELECTRIC Co.,Ltd. Patentee after: JINHUA POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 321000 Bichun Road 388, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG STED ELECTRIC Co.,Ltd. Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY JINHUA POWER SUPPLY Co. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210325 Address after: 321000 Bichun Road 388, Wucheng District, Jinhua City, Zhejiang Province Patentee after: SHITONG ELECTRIC BRANCH OF ZHEJIANG BADA ELECTRONIC INSTRUMENT Co.,Ltd. Patentee after: JINHUA POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 321000 Bichun Road 388, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG STED ELECTRIC Co.,Ltd. Patentee before: JINHUA POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. |