CN112187026A - Energy storage circuit and energy storage device - Google Patents

Energy storage circuit and energy storage device Download PDF

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Publication number
CN112187026A
CN112187026A CN202010910119.8A CN202010910119A CN112187026A CN 112187026 A CN112187026 A CN 112187026A CN 202010910119 A CN202010910119 A CN 202010910119A CN 112187026 A CN112187026 A CN 112187026A
Authority
CN
China
Prior art keywords
energy storage
positive
negative
circuit breaker
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010910119.8A
Other languages
Chinese (zh)
Inventor
胡天文
李穷
邵振东
陈鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Lvwo Recycling Energy Technology Co ltd
Original Assignee
Anhui Lvwo Recycling Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Lvwo Recycling Energy Technology Co ltd filed Critical Anhui Lvwo Recycling Energy Technology Co ltd
Priority to CN202010910119.8A priority Critical patent/CN112187026A/en
Publication of CN112187026A publication Critical patent/CN112187026A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/10Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014Circuits for equalisation of charge between batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306Overdischarge protection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings

Abstract

The invention provides an energy storage circuit, which comprises an energy storage module, a first conversion module, a second conversion module, a first circuit breaker, a second circuit breaker and a third circuit breaker, wherein the first circuit breaker is connected with the second circuit breaker; the energy storage module comprises a total positive end and a total negative end, the first conversion module comprises a positive direct current input end, a negative direct current input end, a positive alternating current output end and a negative alternating current output end, and the second conversion module comprises a positive alternating current input end, a negative alternating current input end, a positive direct current output end and a negative direct current output end. The invention also provides an energy storage device. The energy storage circuit and the energy storage device provided by the invention can simultaneously supply power to a direct current load and an alternating current load, are beneficial to the application of various complex power utilization scenes, and have strong applicability and wide application range.

Description

Energy storage circuit and energy storage device
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of energy storage, in particular to an energy storage circuit and an energy storage device.
[ background of the invention ]
At present, a lithium iron phosphate battery pack is arranged in a widely-used Uninterruptible Power Supply (UPS), and is an energy storage device of the UPS lithium battery all-in-one machine, the volume and the weight of the UPS lithium battery all-in-one machine are much lighter than those of a traditional lead-acid storage battery, and the UPS lithium battery all-in-one machine has multiple advantages of light weight, high capacity, large Power and the like, is light and portable, can be used for supplying Power for a long time in the field, and can also provide a convenient mobile Power Supply solution in places without commercial Power or in the absence of Power. However, the existing energy storage device has single output, only single direct current output or alternating current output, and is not beneficial to the application of various complex power utilization scenes.
Therefore, there is a need to provide a novel energy storage circuit and energy storage device to overcome the above-mentioned drawbacks.
[ summary of the invention ]
The invention aims to provide an energy storage circuit and an energy storage device, which can supply power for a direct current load and an alternating current load at the same time, are beneficial to application of various complex power utilization scenes, and have strong applicability and wide application range.
In order to achieve the above object, the present invention provides an energy storage circuit, which includes an energy storage module, a first converting module, a second converting module, a first circuit breaker, a second circuit breaker, and a third circuit breaker; the energy storage module comprises a total positive end and a total negative end, the first conversion module comprises a positive direct current input end, a negative direct current input end, a positive alternating current output end and a negative alternating current output end, and the second conversion module comprises a positive alternating current input end, a negative alternating current input end, a positive direct current output end and a negative direct current output end; the total positive end is connected with the first circuit breaker, and the total positive end and the total negative end are used for being connected with a direct current socket; the total positive end is connected with the positive direct-current input end through the first circuit breaker, the total negative end is connected with the negative direct-current input end, the positive alternating-current output end is connected with the second circuit breaker, and the positive alternating-current output end and the negative alternating-current output end are used for being connected with an alternating-current socket; the positive electrode alternating current input end and the negative electrode alternating current input end are used for being correspondingly connected with a positive electrode and a negative electrode of an alternating current power supply, and the positive electrode direct current output end and the negative electrode direct current output end are used for being connected with the direct current socket; the positive alternating current input end and the negative alternating current input end are also connected with the alternating current socket through the third circuit breaker.
In a preferred embodiment, the first conversion module is a dc-to-ac power converter, and the second conversion module is an ac-to-dc power converter.
In a preferred embodiment, the first circuit breaker, the second circuit breaker and the third circuit breaker are air switches.
In a preferred embodiment, the protection module further comprises a protection module, wherein the total positive terminal is connected to a power pin of the protection module, and the total negative terminal is connected to a negative pin of the protection module.
In a preferred embodiment, the protection module is a protection circuit board.
In a preferred embodiment, the energy storage module comprises a plurality of electrically connected cells.
In a preferred embodiment, the number of the dc sockets is one, and the number of the ac sockets is three.
In a preferred embodiment, the ac outlet is a five-prong outlet, a three-prong outlet, or a delta-head outlet.
The invention also provides an energy storage device, which comprises the energy storage circuit, a box body, a pull rod and a sliding part in any one of the embodiments; the energy storage circuit is arranged in the box body, the direct current socket and the alternating current socket are arranged on the box body, the pull rod is arranged on one side of the box body, and the sliding piece is arranged on the bottom wall of the box body.
In a preferred embodiment, the sliding member is a roller.
Compared with the prior art, the energy storage circuit and the energy storage device provided by the invention comprise the first conversion module, the second conversion module, the first circuit breaker, the second circuit breaker and the third circuit breaker, so that the purpose of simultaneously providing alternating current and direct current is realized, namely, the power can be simultaneously supplied for a direct current load and an alternating current load, the application of various complex power utilization scenes is facilitated, the applicability is strong, and the application range is wide. Moreover, even if the first conversion module and the second conversion module are out of order and stop working, the alternating current power supply can still supply alternating current to the alternating current load inserted into the alternating current socket through the third circuit breaker, or the energy storage module can still supply direct current to the direct current load inserted into the direct current socket, so that the continuity of power supply is ensured. The energy storage device realizes the integrated design of the energy storage equipment and the draw-bar box, and the draw bar and the sliding part are arranged on the box body, so that the energy storage device is convenient to move, and the energy storage device can be effectively applied to various complex power utilization scenes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a functional block diagram of a tank circuit provided by the present invention;
FIG. 2 is a schematic circuit diagram of a tank circuit provided by the present invention;
FIG. 3 is a plan view of an energy storage device provided by the present invention;
fig. 4 is a further plan view of the energy storage device provided by the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an energy storage circuit 100, which includes an energy storage module 10, a first conversion module 20, a second conversion module 30, a first circuit breaker 40, a second circuit breaker 50, and a third circuit breaker 60.
The energy storage module 10 includes a total positive terminal B + and a total negative terminal B-, the first conversion module 20 includes a positive dc input terminal DI +, a negative dc input terminal DI-, a positive ac output terminal AO +, and a negative ac output terminal AO-, and the second conversion module 30 includes a positive ac input terminal AI +, a negative ac input terminal AI-, a positive dc output terminal DO +, and a negative dc output terminal DO-.
The total positive terminal B + is connected with the first circuit breaker 40, and the total positive terminal B + and the total negative terminal B-are used for connecting a direct current socket 70; the total positive terminal B + is connected with the positive direct current input terminal DI + through the first circuit breaker 40, the total negative terminal B-is connected with the negative direct current input terminal DI-, the positive alternating current output terminal AO + is connected with the second circuit breaker 50, and the positive alternating current output terminal AO + and the negative alternating current output terminal AO-are used for being connected with an alternating current socket 80; the positive electrode alternating current input end AI + and the negative electrode alternating current input end AI-are used for being correspondingly connected with a positive electrode L and a negative electrode N of an alternating current power supply, and the positive electrode direct current output end DO + and the negative electrode direct current output end DO-are used for being connected with the direct current socket 70; the positive ac input terminal AI + and the negative ac input terminal AI-are also connected to the ac socket 80 via the third circuit breaker 60.
Referring to fig. 2, the energy storage module 10 includes a plurality of electrically connected single batteries 11, and it can be understood that the plurality of single batteries 11 may be connected in series, or connected in parallel and then connected in series, so as to achieve the actual required voltage and electric quantity. The single battery 11 is a lithium battery, so that the weight can be reduced, and the portable requirement can be met.
The first conversion module 20 is a DC-to-AC power converter (i.e., DC/AC), and can convert a DC input into an AC output and perform voltage conversion. The second conversion module 30 is an AC-to-DC power converter (AC/DC), and can convert an AC input into a DC output and perform voltage conversion.
The first, second, and third circuit breakers 40, 50, and 60 are air switches. The air switch, namely the air circuit breaker, is used for switching on, breaking and bearing rated working current and fault current such as short circuit, overload and the like in a circuit, and can quickly break the circuit and perform reliable protection under the conditions that overload, short circuit, undervoltage and the like occur in a line and a load. Specifically, the first circuit breaker 40 is a 1P air switch connected to the total positive terminal B +, that is, a single-pole air switch; the second circuit breaker 50 is an output live wire 1P air switch connected with the anode alternating current output terminal AO +; the third circuit breaker 60 is a bypass 2P air switch connected between the positive ac input terminal AI + and the positive ac output terminal AO + and between the negative ac input terminal AI-and the negative ac output terminal AO-.
In this embodiment, the number of the dc sockets 70 is one, the number of the ac sockets 80 is three, specifically, the ac sockets 80 are respectively a five-pin socket 81, a three-pin socket 82, or a delta socket 83, so as to meet the requirements of different types of ac loads, and improve the applicability.
The working principle of the energy storage circuit 100 provided by the invention is as follows:
when the first and second conversion modules 20 and 30 are normally operated and the energy storage module 10 is in a charging state (i.e. the positive ac input terminal AI + and the negative ac input terminal AI-of the second conversion module 30 are connected to an ac power source), the first circuit breaker 40 is closed, the second circuit breaker 50 and the third circuit breaker 60 are opened, the ac power source converts ac power into dc power through the second conversion module 30, and charges the energy storage module 10 with dc power, meanwhile, the positive dc output terminal DO + and the negative dc output terminal DO-are also connected to the dc socket 70, and the ac power source can supply dc power to a dc load inserted into the dc socket 70 through the second conversion module 30. Further, when the first conversion module 20 and the second conversion module 30 are out of order and stop working, the third circuit breaker 60 is closed, and at this time, the ac power source can still supply ac power to the ac load inserted into the ac socket 80 through the third circuit breaker 60.
When the first conversion module 20 and the second conversion module 30 work normally and the energy storage module 10 is in a discharging state (i.e. the positive ac input terminal AI + and the negative ac input terminal AI-of the second conversion module 30 are not connected to an ac power source), the first circuit breaker 40 and the second circuit breaker 50 are closed, the third circuit breaker 60 is opened, the storage module 10 converts dc power into ac power through the first conversion module 20, and ac power is supplied to an ac load inserted into the ac socket 80 through the third circuit breaker 60, meanwhile, the total positive terminal B + and the total negative terminal B-are also connected to the dc socket, and the energy storage module 10 can supply dc power to a dc load inserted into the dc socket 70. Further, when the first conversion module 20 and the second conversion module 30 are out of order and stop working, since the first circuit breaker 30 is closed, the energy storage module 10 can still supply dc power to the dc load inserted into the dc socket 70.
Therefore, the energy storage circuit 100 provided by the invention comprises the first conversion module 20, the second conversion module 30, the first circuit breaker 40, the second circuit breaker 50 and the third circuit breaker 60, so that the purpose of simultaneously providing alternating current and direct current is realized, namely, the energy storage circuit can simultaneously supply power to a direct current load and an alternating current load, and is beneficial to the application of various complex power utilization scenes, strong in applicability and wide in application range. Moreover, even if the first conversion module 20 and the second conversion module 30 are out of order and stop working, the ac power supply can still supply ac power to the ac load inserted into the ac socket 80 through the third circuit breaker 60, or the energy storage module 10 can still supply dc power to the dc load inserted into the dc socket 70, thereby ensuring the continuity of power supply.
Further, the energy storage circuit 100 provided by the present invention further includes a protection module 90, wherein the total positive terminal B + is connected to a power pin Vcc of the protection module 90, and the total negative terminal B-is connected to a negative pin P-of the protection module 90. Specifically, the protection module 90 is a protection Circuit Board, which can be a rigid PCB (Printed Circuit Board), and various Circuit elements can be welded on the protection Circuit Board, and the protection Circuit Board is used for performing charge and discharge protection on the battery cells 11 in the energy storage module 10, and can ensure that the voltage difference between the battery cells is smaller than a set value (generally ± 20mV) when the battery cells are fully charged, so as to realize uniform charging of the battery cells, prevent over-discharge of the battery cells, detect overvoltage, undervoltage, overcurrent, short Circuit and over-temperature states of the battery cells, and protect and prolong the service life of the battery.
Referring to fig. 3 and fig. 4, the present invention further provides an energy storage device 200, which includes the energy storage circuit 100, the case 101, the pull rod 102 and the sliding element 103 according to any one of the above embodiments. The energy storage circuit 100 is disposed in the box 101, the box 101 is provided with the dc socket 70 and the ac socket 80, the pull rod 102 is disposed on one side of the box 101, and the sliding member 103 is disposed on the bottom wall 1011 of the box 101. The energy storage device 200 provided by the invention realizes the integrated design of the energy storage equipment and the draw-bar box, the draw bar 102 and the sliding part 103 are arranged on the box body 101, so that the energy storage device 200 can be conveniently moved, and can be effectively applied to various complex power utilization scenes, such as flood control emergency command, power emergency repair, emergency command vehicles, mobile communication vehicles, outdoor construction, field exploration, natural disaster site rescue, advertisement media outdoor shooting, forestry agriculture wild resource investigation, and can also be used in various emergency sites such as powerless mountainous areas, pastoral areas, field investigation and the like. Specifically, the sliding member 103 is a roller, and is simple in structure and convenient to move. It is understood that all embodiments of the energy storage circuit 100 provided by the present invention are applicable to the energy storage device 200 provided by the present invention, and can achieve the same or similar technical effects.
In summary, the energy storage circuit 100 and the energy storage device 200 provided by the present invention include the first conversion module 20, the second conversion module 30, the first circuit breaker 40, the second circuit breaker 50, and the third circuit breaker 60, so that the ac power and the dc power can be provided at the same time, that is, the dc power and the ac power can be supplied at the same time, which is beneficial to various complicated power utilization scenarios, and the present invention has strong applicability and wide application range. Moreover, even if the first conversion module 20 and the second conversion module 30 are out of order and stop working, the ac power supply can still supply ac power to the ac load inserted into the ac socket 80 through the third circuit breaker 60, or the energy storage module 10 can still supply dc power to the dc load inserted into the dc socket 70, thereby ensuring the continuity of power supply. Energy memory 200 has realized the integrated design of energy storage equipment and draw-bar box, sets up pull rod 102 and slider 103 on box 101, and the removal of energy memory 200 of being convenient for makes it can effectively be applied to all kinds of complicated power consumption scenes.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An energy storage circuit is characterized by comprising an energy storage module, a first conversion module, a second conversion module, a first circuit breaker, a second circuit breaker and a third circuit breaker; the energy storage module comprises a total positive end and a total negative end, the first conversion module comprises a positive direct current input end, a negative direct current input end, a positive alternating current output end and a negative alternating current output end, and the second conversion module comprises a positive alternating current input end, a negative alternating current input end, a positive direct current output end and a negative direct current output end;
the total positive end is connected with the first circuit breaker, and the total positive end and the total negative end are used for being connected with a direct current socket; the total positive end is connected with the positive direct-current input end through the first circuit breaker, the total negative end is connected with the negative direct-current input end, the positive alternating-current output end is connected with the second circuit breaker, and the positive alternating-current output end and the negative alternating-current output end are used for being connected with an alternating-current socket; the positive electrode alternating current input end and the negative electrode alternating current input end are used for being correspondingly connected with a positive electrode and a negative electrode of an alternating current power supply, and the positive electrode direct current output end and the negative electrode direct current output end are used for being connected with the direct current socket; the positive alternating current input end and the negative alternating current input end are also connected with the alternating current socket through the third circuit breaker.
2. The tank circuit of claim 1, wherein the first conversion module is a dc-to-ac power converter and the second conversion module is an ac-to-dc power converter.
3. The tank circuit of claim 1, wherein the first circuit breaker, the second circuit breaker, and the third circuit breaker are air switches.
4. The tank circuit of claim 1, further comprising a protection module, the overall positive terminal being connected to a power pin of the protection module, the overall negative terminal being connected to a negative pin of the protection module.
5. The tank circuit of claim 4 wherein the protection module is a protection circuit board.
6. The energy storage circuit of claim 1, wherein the energy storage module comprises a plurality of electrically connected cells.
7. The tank circuit of claim 1 wherein the number of dc sockets is one and the number of ac sockets is three.
8. The tank circuit of claim 7 wherein the ac outlet is a five-prong outlet, a three-prong outlet, or a delta head outlet.
9. An energy storage device comprising the energy storage circuit of any one of claims 1 to 9, a case, a tie bar, and a slider; the energy storage circuit is arranged in the box body, the direct current socket and the alternating current socket are arranged on the box body, the pull rod is arranged on one side of the box body, and the sliding piece is arranged on the bottom wall of the box body.
10. The energy storage device of claim 9, wherein said sliding member is a roller.
CN202010910119.8A 2020-09-02 2020-09-02 Energy storage circuit and energy storage device Pending CN112187026A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010910119.8A CN112187026A (en) 2020-09-02 2020-09-02 Energy storage circuit and energy storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010910119.8A CN112187026A (en) 2020-09-02 2020-09-02 Energy storage circuit and energy storage device

Publications (1)

Publication Number Publication Date
CN112187026A true CN112187026A (en) 2021-01-05

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ID=73924620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010910119.8A Pending CN112187026A (en) 2020-09-02 2020-09-02 Energy storage circuit and energy storage device

Country Status (1)

Country Link
CN (1) CN112187026A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105162125A (en) * 2015-10-27 2015-12-16 北京百度网讯科技有限公司 Alternating/direct current power supply device and uninterruptible power supply system
CN205070433U (en) * 2015-10-27 2016-03-02 北京百度网讯科技有限公司 Exchange direct current device
US20160211700A1 (en) * 2014-12-11 2016-07-21 Huawei Technologies Co., Ltd. Uninterruptible Power System
CN206517122U (en) * 2017-03-16 2017-09-22 福建省电力勘测设计院 Distributed AC power supply module for transformer station's prefabricated cabin
CN209358287U (en) * 2018-10-24 2019-09-06 浙江晶科能源有限公司 A kind of mobile electrical power box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160211700A1 (en) * 2014-12-11 2016-07-21 Huawei Technologies Co., Ltd. Uninterruptible Power System
CN105162125A (en) * 2015-10-27 2015-12-16 北京百度网讯科技有限公司 Alternating/direct current power supply device and uninterruptible power supply system
CN205070433U (en) * 2015-10-27 2016-03-02 北京百度网讯科技有限公司 Exchange direct current device
CN206517122U (en) * 2017-03-16 2017-09-22 福建省电力勘测设计院 Distributed AC power supply module for transformer station's prefabricated cabin
CN209358287U (en) * 2018-10-24 2019-09-06 浙江晶科能源有限公司 A kind of mobile electrical power box

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