CN113949133A - Storage battery charging protection system - Google Patents

Storage battery charging protection system Download PDF

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Publication number
CN113949133A
CN113949133A CN202111241961.8A CN202111241961A CN113949133A CN 113949133 A CN113949133 A CN 113949133A CN 202111241961 A CN202111241961 A CN 202111241961A CN 113949133 A CN113949133 A CN 113949133A
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CN
China
Prior art keywords
fire extinguisher
storage battery
battery
storage bin
protection system
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Pending
Application number
CN202111241961.8A
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Chinese (zh)
Inventor
刘洪臣
王莉
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202111241961.8A priority Critical patent/CN113949133A/en
Publication of CN113949133A publication Critical patent/CN113949133A/en
Pending legal-status Critical Current

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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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of charging protection, in particular to a storage battery charging protection system.A storage battery storage bin and a fire extinguisher storage bin are arranged in a box body, and a smoke alarm is arranged in the storage battery storage bin; a fire extinguisher and a PLC (programmable logic controller) are arranged in the fire extinguisher storage bin, an electromagnetic valve is arranged on an injection pipeline of the fire extinguisher, and a nozzle of the fire extinguisher is over against the storage battery storage bin; the smoke detector alarm and the electromagnetic valve are respectively connected with the PLC. The smoke-sensitive alarm is used for monitoring smoke in the initial stage of charging and firing of the storage battery in real time, and a PLC (programmable logic controller) sends a signal for opening the fire extinguisher to an electromagnetic valve of the fire extinguisher so as to extinguish the fire of the storage battery warehouse. Therefore, the storage battery charging protection system effectively prevents fire, thereby protecting the property safety and the life safety of users.

Description

Storage battery charging protection system
Technical Field
The invention relates to the technical field of charging protection, in particular to a storage battery charging protection system.
Background
At present, more and more electric vehicle users are provided, and the main part of the electric vehicle is a battery. A battery cell, also called a "secondary battery", is a battery that can be continuously used after being discharged and charged. Various storage battery chargers used in the current market cause more serious fires due to improper charging, wherein two main factors are that a wire is randomly pulled and connected and the battery is not powered off in time after being fully charged.
Most of storage batteries are charged by a storage battery charger at night, the average charging time is about 8 hours, if the storage batteries are discharged shallowly (the driving mileage after charging is short), the storage batteries are charged quickly, and the connection between the storage battery charger and a power supply cannot be disconnected in time after the storage batteries are charged fully. After the battery is fully charged, although the battery charger enters a charging stop state, the battery charger is not timely disconnected from the power supply, and a charging circuit of the battery still has small charging follow current. This "afterflow" often can arouse overcharging, overheated of storage battery, it is long-term, long-time charging and storage battery overload are great, lead to the storage battery temperature to rise easily, and the charging protection of storage battery can't carry out effectual heat dissipation in a large amount of heats that produce when quick charge, thereby lead to making internal circuit and storage battery accelerate ageing short circuit easily and cause the temperature anomaly to fire, and very easily extend to storage battery car and be close to other article of charger after firing and burn, and threaten people's the security of the lives and property.
According to incomplete statistics, the current electric vehicle stock is 3 hundred million, huge reserve is accompanied by huge risks, and 6462 electric vehicle fire disasters are reported only in half a year, so that human lives are phagocytosed while a large amount of property loss occurs.
Therefore, in order to solve the above problems, a battery charging protection system has been developed, which is an urgent technical problem to be solved by the human body in the art.
Disclosure of Invention
The invention aims to provide a storage battery charging protection system which effectively prevents fire.
The invention provides a storage battery charging protection system, which comprises a box body, wherein a storage battery storage bin and a fire extinguisher storage bin are arranged in the box body,
a smoke detector alarm is arranged in the storage battery bin;
a fire extinguisher and a PLC (programmable logic controller) are arranged in the fire extinguisher storage bin, an electromagnetic valve is arranged on an injection pipeline of the fire extinguisher, and a nozzle of the fire extinguisher is over against the storage battery storage bin;
the smoke detector alarm and the electromagnetic valve are respectively connected with the PLC.
Furthermore, an audible and visual alarm is arranged outside the box body and connected with the PLC.
Further, still be provided with the relay in the fire extinguisher warehouse, the one end and the power of relay are connected, and the other end is connected with the storage battery charger.
The device further comprises a voltage and current detection circuit and a starting circuit, wherein one end of the voltage and current detection circuit is connected with a storage battery charger, the other end of the voltage and current detection circuit is connected with the PLC, one end of the starting circuit is connected with the storage battery charger, and the other end of the starting circuit is connected with the relay;
the voltage and current detection circuit is used for monitoring the charging voltage and the charging current of a storage battery and sending a signal for judging whether to cut off a power supply to the relay through the PLC;
the starting circuit is used for enabling the battery charger to work under the condition that the battery is connected with the power supply.
Furthermore, a partition plate is arranged between the storage battery storage bin and the fire extinguisher storage bin, and the height of the partition plate is lower than that of the box body;
wherein, be provided with on the baffle and be used for fixing the spacing pipe of fire extinguisher nozzle.
Further, still be provided with temperature sensor in the storage battery storehouse, temperature sensor with the PLC controller is connected.
Further, still be provided with the cooling fan in the storage battery storehouse, the PLC controller with the cooling fan is connected.
Further, a box cover is arranged on the fire extinguisher storage bin, and the box cover is hinged with the fire extinguisher storage bin.
Compared with the prior art, the storage battery charging protection system has the following advantages:
the storage battery charging protection system mainly comprises a storage battery storage bin and a fire extinguisher storage bin which are arranged in a box body, wherein a smoke-sensitive alarm and a charger are arranged in the storage battery storage bin, the smoke-sensitive alarm is used for monitoring smoke in the initial stage of charging and firing of a storage battery in real time, and when the smoke is monitored to be generated, a signal is sent to a PLC (programmable logic controller), the PLC sends a signal for opening a fire extinguisher to an electromagnetic valve of the fire extinguisher, so that the storage battery storage bin is extinguished. Therefore, the storage battery charging protection system effectively prevents fire, thereby protecting the property safety and the life safety of users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a battery charging protection system according to the present invention;
FIG. 2 is a top view of the battery charging protection system of the present invention
Fig. 3 is a circuit connection diagram of the battery charging protection system of the present invention.
Description of reference numerals:
1: a box body; 2: a box cover; 3: a storage battery warehouse; 4: a fire extinguisher storage bin; 5: a smoke detector alarm; 6: a voltage current detection circuit; 7: a fire extinguisher; 8: a partition plate; 9: a limiting pipe; 10: a battery cell; 11: an audible and visual alarm.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the invention provides a storage battery charging protection system, which comprises a box body 1, wherein a storage battery storage bin 3 and a fire extinguisher storage bin 4 are arranged in the box body 1, and a smoke detector alarm 5 is arranged in the storage battery storage bin 3; a fire extinguisher 7 and a PLC (programmable logic controller) are arranged in the fire extinguisher storage bin 4, an electromagnetic valve is arranged on an injection pipeline of the fire extinguisher 7, and a nozzle of the fire extinguisher 7 is over against the storage battery storage bin 3; the smoke detector alarm 5 and the electromagnetic valve are respectively connected with the PLC.
In order to solve the problem of fire during battery charging in the prior art, the battery charging protection system mainly comprises a battery storage bin 3 and a fire extinguisher storage bin 4 which are arranged in a box body 1, wherein a smoke sensing alarm 5 is arranged in the battery storage bin 3, the smoke sensing alarm 5 is used for monitoring smoke at the initial stage of charging and firing of a battery 10 in real time, and once the smoke is monitored, a signal is sent to a PLC (programmable logic controller) controller, the PLC controller sends a signal for opening a fire extinguisher 7 to an electromagnetic valve of the fire extinguisher 7, so that the battery storage bin 3 is extinguished, the fire extinguisher 7 used in the invention is water-based, the water-based fire extinguishing agent can immerse the battery storage bin 3 integrally and achieve the effect of isolating air, and meanwhile, the fire extinguishing agent can also be soaked into the battery to cool the battery, so that the purpose of extinguishing fire is achieved. Therefore, the storage battery charging protection system effectively prevents fire, thereby protecting the property safety and the life safety of users.
On the basis of the technical scheme, furthermore, an audible and visual alarm 11 is arranged outside the box body 1, and the audible and visual alarm 11 is connected with the PLC.
The audible and visual alarm 11 can generate harsh alarm sound and alarm light, so that a sleeping owner can be alerted, and a scheme of escaping or auxiliary fire extinguishing can be adopted in time.
On the basis of the technical scheme, preferably, a relay is further arranged in the fire extinguisher storage bin 4, one end of the relay is connected with a power supply, and the other end of the relay is connected with a storage battery charger.
In order to prevent the fire from spreading and expanding along the electric circuit and prevent electric shock accidents and the like, a non-fire-fighting power supply needs to be cut off in time, so that a relay is further arranged in the fire extinguisher storage bin 4, one end of the relay is connected with the power supply, and the other end of the relay is connected with a storage battery charger.
Specifically, the lateral wall in fire extinguisher warehouse 4 trompil to place power source, the one end and this power source connection of relay, the other end is connected with user's storage battery charger.
On the basis of the above preferred technical scheme, more preferably, the system further comprises a voltage and current detection circuit 6 and a starting circuit, wherein one end of the voltage and current detection circuit 6 is connected with the battery charger, the other end of the voltage and current detection circuit is connected with the PLC controller, one end of the starting circuit is connected with the battery charger, and the other end of the starting circuit is connected with the relay; the voltage and current detection circuit 6 is used for monitoring the charging voltage and the charging current of the battery jar 10 and sending a signal for judging whether to cut off the power supply to the relay through the PLC; the starting circuit is used for enabling the battery charger to work under the condition that the battery 10 is connected with a power supply.
Specifically, a voltage and current detection circuit 6 is further arranged between the battery charger and the relay and used for monitoring the charging voltage and the charging current of the battery 10 in real time, and when the charging voltage and the charging current are abnormal, a signal for cutting off the power supply is sent to the relay through the PLC; and the starting circuit between the battery charger and the relay is used for starting to work when a charging plug of the battery charger is inserted into a socket of the battery 11 under the condition that the battery charger is plugged into a power supply, and outputting a control signal to enable the battery charger to work. Both the voltage current detection circuit 6 and the starting circuit can be arranged in the fire extinguisher storage bin 4.
The direction of a nozzle of a fire extinguisher 7 is opposite to a storage battery charger and a storage battery 10, a partition plate 8 is arranged between the storage battery warehouse 3 and the fire extinguisher warehouse 4, and the height of the partition plate 8 is lower than that of the box body 1; wherein, a limit pipe 9 used for fixing the nozzle of the fire extinguisher 7 is arranged on the clapboard 8.
On the basis of the technical scheme, further, a temperature sensor is further arranged in the storage battery bin 3 and connected with the PLC.
After the storage battery 10 is charged and has a fault, sparks or smoke are generated along with the rise of temperature, and a temperature sensor is arranged in the storage battery bin 3, so that the fault can be found at the initial stage of the fault, and preventive measures can be taken in time.
In the storage battery 10 charging process, accessible heat sink suction cold wind constantly carries out physics cooling for the storage battery 10 that is charging, when the protection battery, also can reduce the probability of catching fire, specifically, still be provided with the cooling fan in the storage battery warehouse 3, the PLC controller with the cooling fan is connected.
Specifically, the cooling fan sets up in storage battery warehouse 3's top one corner, carries out the air supplementation downwards to storage battery warehouse 3.
In a specific embodiment of the invention, a fire extinguisher storage bin of the charging protection system is provided with a box cover 2, and the box cover 2 is hinged with the fire extinguisher storage bin 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A storage battery charging protection system comprises a box body (1) and is characterized in that a storage battery storage bin (3) and a fire extinguisher storage bin (4) are arranged in the box body (1),
a smoke alarm (5) is arranged in the storage battery bin (3);
a fire extinguisher (7) and a PLC (programmable logic controller) are arranged in the fire extinguisher storage bin (4), an electromagnetic valve is arranged on an injection pipeline of the fire extinguisher (7), and a nozzle of the fire extinguisher (7) is over against the storage battery storage bin (3);
the smoke detector alarm (5) and the electromagnetic valve are respectively connected with the PLC.
2. The charging protection system according to claim 1, wherein an audible and visual alarm (11) is arranged outside the box body (1), and the audible and visual alarm (11) is connected with the PLC.
3. The charging protection system according to claim 1, wherein a relay is further arranged in the fire extinguisher storage bin (4), one end of the relay is connected with a power supply, and the other end of the relay is connected with a battery charger.
4. The charging protection system according to claim 3, further comprising a voltage and current detection circuit (6) and a starting circuit, wherein one end of the voltage and current detection circuit (6) is connected with a battery charger, the other end of the voltage and current detection circuit is connected with the PLC, one end of the starting circuit is connected with the battery charger, and the other end of the starting circuit is connected with the relay;
the voltage and current detection circuit (6) is used for monitoring the charging voltage and the charging current of a battery jar (10) and sending a signal whether to cut off a power supply to the relay through the PLC;
the starting circuit is used for enabling the battery charger to work under the condition that the battery (10) is connected with a power supply.
5. The charging protection system according to claim 1, characterized in that a partition (8) is arranged between the battery storage bin (3) and the fire extinguisher storage bin (4), and the height of the partition (8) is lower than that of the box body (1);
wherein, a limit pipe (9) used for fixing the nozzle of the fire extinguisher (7) is arranged on the clapboard (8).
6. The charging protection system according to claim 1, wherein a temperature sensor is further arranged in the storage battery bin (3), and the temperature sensor is connected with the PLC.
7. The charging protection system as claimed in claim 1, wherein a cooling fan is further arranged in the storage battery bin (3), and the PLC is connected with the cooling fan.
8. The charge protection system according to claim 1, characterized in that a case cover (2) is arranged on the fire extinguisher storage bin (4), and the case cover (2) is hinged with the fire extinguisher storage bin (4).
CN202111241961.8A 2021-10-25 2021-10-25 Storage battery charging protection system Pending CN113949133A (en)

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Application Number Priority Date Filing Date Title
CN202111241961.8A CN113949133A (en) 2021-10-25 2021-10-25 Storage battery charging protection system

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Application Number Priority Date Filing Date Title
CN202111241961.8A CN113949133A (en) 2021-10-25 2021-10-25 Storage battery charging protection system

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CN113949133A true CN113949133A (en) 2022-01-18

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204118786U (en) * 2014-08-22 2015-01-21 陈晓佳 Storage battery charge protection device
CN207353336U (en) * 2017-09-29 2018-05-11 孚能集团有限公司 A kind of power lithium battery box with extinguishing device
CN109591634A (en) * 2019-01-15 2019-04-09 上海柜满格实业有限公司 Can self-extinguishing battery of electric vehicle intelligent charge cabinet
CN214158335U (en) * 2020-12-29 2021-09-10 衡阳市宇松科技有限公司 Fire extinguishing system of intelligent power conversion station

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204118786U (en) * 2014-08-22 2015-01-21 陈晓佳 Storage battery charge protection device
CN207353336U (en) * 2017-09-29 2018-05-11 孚能集团有限公司 A kind of power lithium battery box with extinguishing device
CN109591634A (en) * 2019-01-15 2019-04-09 上海柜满格实业有限公司 Can self-extinguishing battery of electric vehicle intelligent charge cabinet
CN214158335U (en) * 2020-12-29 2021-09-10 衡阳市宇松科技有限公司 Fire extinguishing system of intelligent power conversion station

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