CN211530829U - Storage battery pack emergency device with electric energy compensation function - Google Patents
Storage battery pack emergency device with electric energy compensation function Download PDFInfo
- Publication number
- CN211530829U CN211530829U CN201921808118.1U CN201921808118U CN211530829U CN 211530829 U CN211530829 U CN 211530829U CN 201921808118 U CN201921808118 U CN 201921808118U CN 211530829 U CN211530829 U CN 211530829U
- Authority
- CN
- China
- Prior art keywords
- storage battery
- battery pack
- electric energy
- transformer
- power device
- 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.)
- Active
Links
Images
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a storage battery emergency device with electric energy compensation, including transformer, first MOS power device, second MOS power device, filter capacitance, current sensor, voltage acquisition module and PWM drive module. The first MOS power device, the second MOS power device, the transformer, the synchronous rectifier and the filter capacitor form a DC/DC conversion circuit; the CPU module obtains the power to be supplemented by the storage battery according to the current data collected by the current sensor and the voltage data collected by the voltage collecting module, and controls the PWM driving module, so that the synchronous rectifier in the DC/DC conversion circuit outputs electric energy with specific voltage and power to supplement the electric energy for the storage battery. The utility model discloses a program control output electric energy carries out the electric energy compensation to one or more unusual batteries to solve the problem that the group battery is individuality or partial battery monomer became invalid, improved storage battery's security.
Description
Technical Field
The utility model relates to an electric power field especially relates to a storage battery emergency device with electric energy compensation.
Background
The traditional storage battery pack is basically used by serially connecting 2V or 12V storage battery cells, and when any one or part of the cells are degraded or damaged, the whole storage battery pack fails to output electric energy normally. In many industries using storage batteries, when the problems of failure or degradation of the storage batteries are found and the schemes of rectifying, processing and purchasing the storage batteries are proposed, a long flow is needed, in the process of executing the flow, the degraded storage battery pack cannot be used continuously due to the fact that the degraded storage battery pack does not have cruising ability, and if emergency measures are not taken in time, users are easy to face great risks, and the safety is greatly reduced.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a storage battery emergency device with electric energy compensation carries out electric energy compensation to 1 or a plurality of unusual batteries through program control output electric energy for whole storage battery can normally continue to use, thereby solves the problem that the group battery is individuated or partial battery monomer became invalid, has improved storage battery's security.
The technical scheme of the utility model so realize, a storage battery emergency device with electric energy compensation, include
A transformer having a primary coil with an intermediate tap for connection to a DC power source;
the first MOS power device is connected with a first outgoing line of the primary coil of the transformer;
the second MOS power device is connected with a second outgoing line of the primary coil of the transformer, and the polarity of the second outgoing line is opposite to that of the first outgoing line;
the synchronous rectifier is connected to the output end of the transformer, and the output end of the synchronous rectifier is connected with the storage battery pack;
the filter capacitor is connected with the synchronous rectifier;
the current sensor is connected to the output end of the transformer in series and is used for acquiring current data of the storage battery pack;
the voltage acquisition module is connected to the output end of the transformer in parallel and is used for acquiring voltage data of the storage battery pack; and
the PWM driving module is respectively connected with the grid electrode of the first MOS power device, the grid electrode of the second MOS power device and the CPU module;
the first MOS power device, the second MOS power device, the transformer, the synchronous rectifier and the filter capacitor form a DC/DC conversion circuit;
the CPU module is connected with the current sensor and the voltage acquisition module, obtains power to be supplemented for the storage battery pack according to current data acquired by the current sensor and voltage data acquired by the voltage acquisition module, and controls duty ratios of a first PWM signal and a second PWM signal output by the PWM driving module according to the power to be supplemented, so that a synchronous rectifier in the DC/DC conversion circuit outputs electric energy of the voltage and the power required by the storage battery pack to supplement the electric energy for the storage battery pack.
Further, the storage battery in the storage battery pack includes, but is not limited to, a lead-acid storage battery or a lithium ion battery.
Further, the PWM driving module is a PWM isolation driving module.
The utility model has the advantages that compared with the prior art,
(1) when one or more battery takes place unusually in storage battery, the utility model discloses a mode of electric energy compensation, the required voltage and the power of compensation storage battery to make whole storage battery can continue to use, can not receive the influence of unusual battery (deterioration or inefficacy), storage battery's security performance also improves thereupon, reduces the potential risk that the user faces;
(2) the utility model discloses can be applied to the electric energy transfer compensation of the storage battery of arbitrary voltage class, solve its problem of individuality or a plurality of battery monomer degradation, inefficacy.
Drawings
Fig. 1 is a schematic view of an embodiment of a practical application of the present invention;
fig. 2 is a schematic block diagram of a battery pack emergency device with electric energy compensation according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a battery pack emergency device with power compensation, which can be used to compensate power for a battery pack 5 in which one or more abnormal batteries may exist. The utility model is used for during the compensation electric energy, input interface 1 is connected with DC power supply, and interface 2 is connected with ground, output interface 3 with storage battery 5's anodal connection, output interface 4 with storage battery 5's negative pole is connected. In this embodiment, the dc power supply is provided by a rectifier converting external ac power into dc power.
Referring to fig. 2, the present invention provides an emergency device with electric energy compensation for a battery pack, which includes
A transformer 11, the transformer 11 having a primary coil with an intermediate tap 111 for connection with a dc power source;
a first MOS power device 12, wherein the first MOS power device 12 is connected with a first lead 112 of the primary coil of the transformer, and an emitter of the first MOS power device 12 is connected with the ground;
a second MOS power device 13 connected to a second lead 113 of the primary coil of the transformer, the second lead having a polarity opposite to that of the first lead 111, and an emitter of the second MOS power device 13 being connected to ground;
the synchronous rectifier 14, the synchronous rectifier 14 is connected to the output end of the transformer 11, and the output end of the synchronous rectifier 14 is connected to the storage battery 5;
a filter capacitor 19, wherein the filter capacitor 19 is connected with the synchronous rectifier 14;
the current sensor 15, the current sensor 15 is connected in series to the output end of the transformer 11, the current sensor 15 is used for acquiring the current data of the abnormal storage battery 5 and transmitting the current data to the CPU module 18;
the voltage acquisition module 16 is connected in parallel to the output end of the transformer 11, and the voltage acquisition module 16 is used for acquiring voltage data of the abnormal storage battery 5 and transmitting the voltage data to the CPU module 18; and
the PWM driving module 17 is connected with the grid electrode of the first MOS power device 12, the grid electrode of the second MOS power device 13 and the CPU module 18 respectively;
the first MOS power device 12, the second MOS power device 13, the transformer 11, the synchronous rectifier 14 and the filter capacitor 19 form a DC/DC conversion circuit;
the CPU module 18 is connected to the current sensor 15 and the voltage acquisition module 16, obtains power to be supplemented to the battery pack 5 according to current data acquired by the current sensor 15 and voltage data acquired by the voltage acquisition module 16, and controls duty ratios of a first PWM signal and a second PWM signal output by the PWM driving module 17 according to the power to be supplemented, so that the synchronous rectifier 14 in the DC/DC conversion circuit outputs electric energy of specific voltage and power to supplement electric energy to the battery pack 5.
The working process of the utility model is as follows:
the utility model discloses get the electricity from direct current power supply (get the electricity from the rectifier promptly), CPU module 18 passes through current sensor 15 voltage acquisition module 16 acquires respectively storage battery 5's current data closes voltage data, and according to current data with voltage data obtains storage battery 5 needs the supplementary power, passes through the output of program control PWM drive module 17 according to this power.
Specifically, the CPU module 18 controls the PWM driving module 18 to output a first PWM signal to the first MOS power device 12 and a second PWM signal to the second MOS power device 13, and at the same time, the CPU module 18 controls the duty ratios of the first PWM signal and the second PWM signal to enable the synchronous rectifier 14 in the DC/DC conversion circuit to output the electric energy of the voltage and the power required by the battery pack 5 to compensate the electric energy of the battery pack 5.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (3)
1. A storage battery pack emergency device with electric energy compensation is characterized by comprising
A transformer having a primary coil with an intermediate tap for connection to a DC power source;
the first MOS power device is connected with a first outgoing line of the primary coil of the transformer;
the second MOS power device is connected with a second outgoing line of the primary coil of the transformer, and the polarity of the second outgoing line is opposite to that of the first outgoing line;
the synchronous rectifier is connected to the output end of the transformer, and the output end of the synchronous rectifier is connected with the storage battery pack;
the filter capacitor is connected with the synchronous rectifier;
the current sensor is connected to the output end of the transformer in series and is used for acquiring current data of the storage battery pack;
the voltage acquisition module is connected to the output end of the transformer in parallel and is used for acquiring voltage data of the storage battery pack; and
the PWM driving module is respectively connected with the grid electrode of the first MOS power device, the grid electrode of the second MOS power device and the CPU module;
the first MOS power device, the second MOS power device, the transformer, the synchronous rectifier and the filter capacitor form a DC/DC conversion circuit;
the CPU module is connected with the current sensor and the voltage acquisition module, obtains power to be supplemented for the storage battery pack according to current data acquired by the current sensor and voltage data acquired by the voltage acquisition module, and controls duty ratios of a first PWM signal and a second PWM signal output by the PWM driving module according to the power to be supplemented, so that a synchronous rectifier in the DC/DC conversion circuit outputs electric energy of the voltage and the power required by the storage battery pack to supplement the electric energy for the storage battery pack.
2. The battery pack emergency device with power compensation of claim 1, wherein the batteries in the battery pack include but are not limited to lead acid batteries or lithium ion batteries.
3. The battery pack emergency device with power compensation of claim 1, wherein the PWM driving module is a PWM isolated driving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808118.1U CN211530829U (en) | 2019-10-25 | 2019-10-25 | Storage battery pack emergency device with electric energy compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808118.1U CN211530829U (en) | 2019-10-25 | 2019-10-25 | Storage battery pack emergency device with electric energy compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211530829U true CN211530829U (en) | 2020-09-18 |
Family
ID=72442497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921808118.1U Active CN211530829U (en) | 2019-10-25 | 2019-10-25 | Storage battery pack emergency device with electric energy compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211530829U (en) |
-
2019
- 2019-10-25 CN CN201921808118.1U patent/CN211530829U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103633661A (en) | New energy power generation system and distributed mixing maximum power tracking method | |
| CN104269914A (en) | Wind-solar complementary control and inversion integrated machine | |
| CN201629693U (en) | Portable solar energy emergency supply device | |
| CN205004806U (en) | Online direct current uninterrupted power source | |
| CN201910655U (en) | Novel power supply module of power transmission line monitoring device | |
| CN204068411U (en) | Ship power supply steady pressure of system frequency regulator | |
| CN211530829U (en) | Storage battery pack emergency device with electric energy compensation function | |
| CN103633662A (en) | Distributed new energy power generation system and distributed mixing maximum power tracking method | |
| CN110277823B (en) | Power supply circuit and inverter | |
| CN103795116A (en) | A power conversion and control device, power supply method and system | |
| CN203722280U (en) | Solar USB charging device | |
| CN103840644A (en) | Multi-terminal output DC stabilized power supply | |
| CN201549920U (en) | Intelligent charger with alternating current and direct current collinear input | |
| CN104485716A (en) | Solar electrical bicycle charging device additionally installed on parking shed | |
| CN200990520Y (en) | Solar multifunction charger | |
| CN210327061U (en) | Lithium battery charger circuit control system | |
| CN102780250A (en) | Solar charge controller | |
| CN209896751U (en) | WSN node self-powered system | |
| CN208656488U (en) | A kind of Li-ion batteries piles energy-storage battery case of solar energy and mains hybrid charging | |
| CN206564485U (en) | A kind of battery electric power storage managing device for photovoltaic generating system | |
| CN219918481U (en) | Battery direct current follows switching power supply circuit | |
| CN212811357U (en) | Marine voltage-stabilizing constant-current lead-acid battery charger | |
| CN110752661A (en) | Single-phase series-parallel compensation type UPS (uninterrupted power supply) isolated by bidirectional full-bridge high frequency | |
| CN205657428U (en) | Complementary direct current microgrid structure of sea island type scene | |
| CN213461220U (en) | Charger capable of automatically supplementing loss of lead-acid storage battery by adopting solar energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230920 Address after: Room 301, Building H3, No. 39 Ruihe Road, Huangpu District, Guangzhou City, Guangdong Province, 510700 Patentee after: Guangzhou Honghuai Energy Service Co.,Ltd. Address before: 510663 third floor, H3, Nagin science and Technology Park, 39 Ruihe Road, Huangpu District, Guangzhou, Guangdong Patentee before: GUANGZHOU HONGHUAI ENERGY TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An emergency device for battery packs with electric energy compensation Effective date of registration: 20231201 Granted publication date: 20200918 Pledgee: Gu Chunhua Pledgor: Guangzhou Honghuai Energy Service Co.,Ltd. Registration number: Y2023980068864 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |