CN206742917U - Energy-storage system - Google Patents

Energy-storage system Download PDF

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Publication number
CN206742917U
CN206742917U CN201720567061.5U CN201720567061U CN206742917U CN 206742917 U CN206742917 U CN 206742917U CN 201720567061 U CN201720567061 U CN 201720567061U CN 206742917 U CN206742917 U CN 206742917U
Authority
CN
China
Prior art keywords
switch
battery pack
storage
energy
transformation module
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.)
Withdrawn - After Issue
Application number
CN201720567061.5U
Other languages
Chinese (zh)
Inventor
邓通
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.)
Dongguan New Energy Co Ltd
Original Assignee
Dongguan New Energy 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 Dongguan New Energy Co Ltd filed Critical Dongguan New Energy Co Ltd
Priority to CN201720567061.5U priority Critical patent/CN206742917U/en
Application granted granted Critical
Publication of CN206742917U publication Critical patent/CN206742917U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of energy-storage system includes battery pack, first switch, second switch, voltage transformation module, battery management system, relay and charge-discharge modules.The first switch is closed and the second switch is closed into up to after preset time, and the battery pack gives the voltage transformation module to power by the first switch and the second switch.Operating voltage of the voltage transformation module by the voltage conversion received into the battery management system, and the operating voltage is exported to the battery management system.The battery management system is started working, and the battery pack is managed, and controls the relay closure.The charge-discharge modules carry out charge or discharge by the relay to the battery pack.Above-mentioned energy-storage system can prevent from mistakenly being opened.

Description

Energy-storage system
【Technical field】
It the utility model is related to technical field of energy storage, more particularly to a kind of energy-storage system.
【Background technology】
At present, generally only a switch controls the opening and closing of energy-storage system in energy-storage system.When the switch loses Effect, or artificially switch described in fault open, or when being switched because of software fault described in fault open, the battery in energy-storage system Group will be run in the state of no BMS (Battery Management System, battery management system) protections, so as to increase The operation risk of energy-storage system is added.
In consideration of it, real be necessary to provide a kind of new energy-storage system to overcome disadvantages described above.
【The content of the invention】
The purpose of this utility model is to provide a kind of can prevent by the energy-storage system of fault open.
To achieve these goals, the utility model provides a kind of energy-storage system, and the energy-storage system includes battery pack, the One switch, second switch, voltage transformation module, battery management system, relay and charge-discharge modules, the negative pole of the battery pack It is connected by the first switch with the voltage transformation module, and is connected with the negative pole end of the charge-discharge modules, the electricity The positive pole of pond group is connected by the second switch with the voltage transformation module, and passes through the relay and the discharge and recharge The positive terminal of module is connected, the battery management system and the battery pack, the voltage transformation module and the relay phase Even, the first switch is closed and the second switch is closed into up to after preset time, and the battery pack is opened by described first Close and the second switch gives voltage transformation module power supply, the voltage transformation module is by the voltage conversion received into institute The operating voltage of battery management system is stated, and the operating voltage is exported to the battery management system, the battery management System starts, and the battery pack is managed, and the relay closure is controlled, the charge-discharge modules pass through institute State relay and charge or discharge are carried out to the battery pack.
Further, the relay include coil, the 3rd switch and the 4th switch, the first end of the coil with it is described Voltage transformation module is connected, and the second end of the coil is grounded by the described 3rd switch, the 3rd switch and the battery Management system is connected, and the positive pole of the battery pack is connected by the described 4th switch with the positive pole of the charge-discharge modules, works as institute When stating battery management system control the 3rd switch closure, there is electric current to flow through in the coil, the 4th switch closure, institute State charge-discharge modules and charge or discharge are carried out to the battery pack by the described 4th switch.
Further, the energy-storage system also includes acquisition module, and the battery management system passes through the acquisition module It is connected with the battery pack, the acquisition module gathers electric current, voltage and the temperature information of the battery pack, and will collect Information exports carries out pipe according to the information received to the battery management system, the battery management system to the battery pack Reason.
Further, when the voltage transformation module, which overloads, powers, the second switch fusing, the battery pack stops Powered to the voltage transformation module.
Further, the battery pack includes the battery cell of multiple series connection and/or parallel connection.
Compared to prior art, the utility model passes through institute by setting the first switch and the second switch State first switch closure and the second switch is closed into up to after the preset time, the battery pack could pass through described first Switch and the second switch are powered to the voltage transformation module, and the energy-storage system can just be opened, so as to effectively prevent The energy-storage system is mistakenly opened, and then enhances the security of the energy-storage system.
【Brief description of the drawings】
Fig. 1 is the circuit diagram for the energy-storage system that the utility model embodiment provides.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with Accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows So, described embodiment is only the utility model part of the embodiment, rather than whole embodiments.It is new based on this practicality Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belong to the scope of the utility model protection.
When an element was considered as with another element " being connected ", it can be directly to another element or It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this reality The implication being generally understood that with new those skilled in the art is identical.Made herein in specification of the present utility model Term is intended merely to describe the purpose of specific embodiment, it is not intended that in limitation the utility model.It is used herein Term " and/or " include the arbitrary and all combinations of one or more related Listed Items.
Referring to Fig. 1, Fig. 1 is the circuit diagram for the energy-storage system 100 that embodiment of the present utility model provides.The energy storage system System 100 includes battery pack 10, first switch K1, second switch K2, voltage transformation module 20, battery management system 30, relay J1 and charge-discharge modules 50.The negative pole of the battery pack 10 passes through the first switch K1 and the phase of voltage transformation module 20 Even, and it is connected with the negative pole end of the charge-discharge modules 50.The positive pole of the battery pack 10 passes through the second switch K2 and institute State voltage transformation module 20 to be connected, and be connected by the relay J1 with the positive terminal of the charge-discharge modules 50.The electricity Pond management system 30 is connected with the battery pack 10, the voltage transformation module 20 and the relay J1.
The first switch K1 is closed and the second switch K2 is closed into up to after preset time, and the battery pack 10 passes through The first switch K1 and second switch K2 powers to the voltage transformation module 20.The voltage transformation module 20 will connect The voltage conversion received and exports the operating voltage to the cell tube into the operating voltage of the battery management system 30 Reason system 30.The battery management system 30 is started working, and the battery pack 10 is managed, and controls the relay J1 is closed.The charge-discharge modules 50 carry out charge or discharge by the relay J1 to the battery pack 10.In this implementation In mode, the time length of the preset time can be adjusted correspondingly according to actual conditions.
The relay J1 includes coil L1, the 3rd switch K3 and the 4th switch K4.The first end of the coil L1 and institute State voltage transformation module 20 to be connected, the second end of the coil L1 passes through the described 3rd switch K3 ground connection.The 3rd switch K3 It is connected with the battery management system 30.The positive pole of the battery pack 10 passes through the described 4th switch K4 and the charge-discharge modules 50 positive pole is connected.When the battery management system 30 controls the 3rd switch K3 closures, there is electric current in the coil L1 Flow through, the 4th switch K4 closures, the charge-discharge modules 50 are carried out by the described 4th switch K4 to the battery pack 10 Charge or discharge.
The energy-storage system 100 also includes acquisition module 60.The battery management system 30 passes through the acquisition module 60 It is connected with the battery pack 10.The acquisition module 60 gathers electric current, voltage and the temperature information of the battery pack 10, and will adopt The information collected is exported to the battery management system 30.The battery management system 30 is according to the information received to the electricity Pond group 10 is managed.
In the present embodiment, when causing the electricity because of some failures (such as the internal short-circuit of battery management system 30) When pressing the overload power supply of modular converter 20, the second switch K2 fusing, the battery pack 10 stops to the voltage transformation module 20 power supplies, so as to reduce the operation risk of the energy-storage system 100, improve the security of the energy-storage system 100.It is described Battery pack 10 includes the battery cell B1 of multiple series connection and/or parallel connection.
The operation principle of the energy-storage system 100 provided the utility model embodiment is illustrated below.
During work, the first switch K1 is first closed, is closed again the second switch K2, and the second switch K2's After closing time reaches the preset time, the battery pack 10 is by the first switch K1 and the second switch K2 to institute Voltage transformation module 20 is stated to power.The voltage transformation module 20 is by the voltage conversion received into the battery management system 30 Operating voltage, and the operating voltage is exported to the battery management system 30.The battery management system 30 starts work Make, and the battery pack 10 be managed, and control the relay J1 closures, the charge-discharge modules 50 by it is described after Electrical equipment J1 carries out charge or discharge to the battery pack 10.The acquisition module 60 gathers electric current, the voltage of the battery pack 10 And temperature information, and the information collected is exported to the battery management system 30.The battery management system 30 is according to connecing The information received is managed to multiple battery cell B1 in the battery pack 10.
When causing the mistake of voltage transformation module 20 because of some failures (such as the internal short-circuit of battery management system 30) When carrying power supply, the second switch K2 fusing, the battery pack 10 stops powering to the voltage transformation module 20, so as to reduce The operation risk of the energy-storage system 100, improve the security of the energy-storage system 100.
When the first switch K1 disconnect or the second switch K2 disconnect or the second switch K2 closing time not When reaching the preset time, the battery pack 10 does not work to the voltage transformation module 20, the energy-storage system 100 not work Make.It follows that even if the first switch K1 closes because of some maloperations, the energy-storage system 100 will not also be opened, only Have after the first switch K1 is closed and the second switch K2 is closed into up to preset time, the energy-storage system 100 just can Open, mistakenly opened so as to effectively prevent the energy-storage system 100, and then enhance the energy-storage system 100 Security.
The utility model passes through the first switch K1 by setting the first switch K1 and second switch K2 Close and the second switch K2 is closed into up to after the preset time, the battery pack 10 could pass through the first switch K1 And the second switch K2 powers to the voltage transformation module 20, the energy-storage system 100 can just be opened, so as to effectively prevent Stop the energy-storage system 100 mistakenly to be opened, and then enhance the security of the energy-storage system 100.
The utility model is not restricted to described in description and embodiments, thus for familiar field personnel and Additional advantage and modification is easily achieved in speech, therefore in the universal limited without departing substantially from claim and equivalency range In the case of spirit and scope, the utility model be not limited to specific details, representational equipment and shown here as with description Examples shown.

Claims (5)

  1. A kind of 1. energy-storage system, it is characterised in that:The energy-storage system includes battery pack, first switch, second switch, voltage and turned Change the mold block, battery management system, relay and charge-discharge modules, the negative pole of the battery pack by the first switch with it is described Voltage transformation module is connected, and is connected with the negative pole end of the charge-discharge modules, and the positive pole of the battery pack passes through described second Switch is connected with the voltage transformation module, and is connected by the relay with the positive terminal of the charge-discharge modules, described Battery management system is connected with the battery pack, the voltage transformation module and the relay, first switch closure and The second switch is closed into up to after preset time, and the battery pack is by the first switch and the second switch to described Voltage transformation module is powered, work electricity of the voltage transformation module by the voltage conversion received into the battery management system Pressure, and the operating voltage is exported and started working to the battery management system, the battery management system, and to the electricity Pond group is managed, and controls the relay closure, and the charge-discharge modules are entered by the relay to the battery pack Row charge or discharge.
  2. 2. energy-storage system as claimed in claim 1, it is characterised in that:The relay includes coil, the 3rd switch and the 4th Switch, the first end of the coil are connected with the voltage transformation module, and the second end of the coil passes through the described 3rd switch Ground connection, the 3rd switch are connected with the battery management system, and the positive pole of the battery pack passes through the described 4th switch and institute The positive pole for stating charge-discharge modules is connected, and when battery management system control the 3rd switch closure, has in the coil Electric current is flowed through, and the 4th switch closure, the charge-discharge modules are charged by the described 4th switch to the battery pack Or electric discharge.
  3. 3. energy-storage system as claimed in claim 1, it is characterised in that:The energy-storage system also includes acquisition module, the electricity Pond management system is connected by the acquisition module with the battery pack, the electric current of the acquisition module collection battery pack, Voltage and temperature information, and the information collected is exported to the battery management system, the battery management system is according to connecing The information received is managed to the battery pack.
  4. 4. energy-storage system as claimed in claim 1, it is characterised in that:It is described when the voltage transformation module, which overloads, powers Second switch fuses, and the battery pack stops powering to the voltage transformation module.
  5. 5. energy-storage system as claimed in claim 1, it is characterised in that:The battery pack includes multiple series connection and/or parallel connection Battery cell.
CN201720567061.5U 2017-05-18 2017-05-18 Energy-storage system Withdrawn - After Issue CN206742917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720567061.5U CN206742917U (en) 2017-05-18 2017-05-18 Energy-storage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720567061.5U CN206742917U (en) 2017-05-18 2017-05-18 Energy-storage system

Publications (1)

Publication Number Publication Date
CN206742917U true CN206742917U (en) 2017-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720567061.5U Withdrawn - After Issue CN206742917U (en) 2017-05-18 2017-05-18 Energy-storage system

Country Status (1)

Country Link
CN (1) CN206742917U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109586368A (en) * 2018-12-07 2019-04-05 珠海格力电器股份有限公司 Energy-storage system starter, starting method and energy-storage system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109586368A (en) * 2018-12-07 2019-04-05 珠海格力电器股份有限公司 Energy-storage system starter, starting method and energy-storage system

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Granted publication date: 20171212

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Effective date of abandoning: 20210818

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