CN113112765A - Lithium iron phosphate battery direct-current power supply fire-fighting system and method - Google Patents
Lithium iron phosphate battery direct-current power supply fire-fighting system and method Download PDFInfo
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- CN113112765A CN113112765A CN202110358976.6A CN202110358976A CN113112765A CN 113112765 A CN113112765 A CN 113112765A CN 202110358976 A CN202110358976 A CN 202110358976A CN 113112765 A CN113112765 A CN 113112765A
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims description 58
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 206010000369 Accident Diseases 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- PJAFNUPVPDBTLZ-UHFFFAOYSA-N [Fe].[Fe].[Li] Chemical compound [Fe].[Fe].[Li] PJAFNUPVPDBTLZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a lithium iron phosphate battery direct-current power supply fire-fighting system and a method, wherein the system comprises the following components: the detection unit is connected with the control unit and the alarm unit and is used for acquiring real-time parameter values of the direct-current power supply of the lithium iron phosphate battery, comparing the acquired parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results and transmitting the different alarm instructions to the alarm unit and the control unit; the control unit is connected with the fire extinguishing unit and used for cutting off the power supply of the lithium iron phosphate direct-current power supply system according to the alarm instruction generated by the detection unit, generating a control instruction and sending the control instruction to the fire extinguishing unit; the fire extinguishing unit is used for executing corresponding fire extinguishing operation according to the control instruction transmitted by the control unit; and the alarm unit is used for executing the alarm operation of the corresponding level according to the alarm instruction transmitted by the detection unit. The invention realizes omnibearing detection, graded alarm and fire extinguishing, higher efficiency and lower false alarm rate.
Description
Technical Field
The invention belongs to the field of direct-current power supply safety, and particularly relates to a lithium iron phosphate battery direct-current power supply fire-fighting system and method.
Background
The lithium iron phosphate battery has the advantages of long service life, good temperature characteristic and high reliability, and is already applied to the pilot engineering of the direct-current power supply for the plant station. However, due to intrinsic safety problems, thermal runaway and cascading phenomena may occur in some abuse situations of the lithium ion battery, so that fire accidents happen to the whole direct current cabinet or even a transformer substation, and a new challenge is provided for fire prevention of the transformer substation.
According to the fire-fighting regulation of the unattended transformer substation, only the portable dry powder fire extinguishing agent is configured in the building room of the transformer substation, when the smoke sensor installed in the transformer substation detects a fire, an alarm signal is sent out, the signal is transmitted to a command and dispatch center through a network, and the center informs related personnel to arrive at the site according to the situation and utilizes the portable fire extinguisher equipped on the site to extinguish the fire. The lithium ion battery type fire disaster is developed rapidly, and once the fire disaster happens in a plant station, the property loss and the social influence are serious by the existing prevention and control strategy and means. Therefore, it is necessary to develop a targeted fire extinguishing system that suppresses a direct current power source fire in a short time and minimizes losses.
Disclosure of Invention
The invention aims to provide a fire-fighting system and a fire-fighting method for a direct-current power supply of an iron lithium battery, and aims to solve the problem of fire-fighting potential safety hazard of the existing direct-current power supply system of the iron lithium battery. The invention provides a fire-fighting system and a fire-fighting method for a direct-current power supply of an iron-iron lithium battery, which are used for fire-fighting linkage, and utilizes a limited space in a screen cabinet to collect battery monomer parameters and environmental fire signals, compares the collected information parameter values with a set threshold value, sends an alarm instruction when the parameters exceed the threshold value, and the system executes a fire-fighting action according to the alarm instruction, collects concentration information of a fire-extinguishing agent at the same time, continuously sprays by comparing the set concentration threshold value, improves fire-fighting precision, controls accidents in the direct-current screen cabinet in the initial stage of a fire and prevents secondary fire accidents.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a lithium iron phosphate battery dc power supply fire-fighting system, including:
the detection unit is connected with the control unit and the alarm unit and is used for acquiring real-time parameter values of the direct-current power supply of the lithium iron phosphate battery, comparing the acquired parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results and transmitting the different alarm instructions to the alarm unit and the control unit;
the control unit is connected with the fire extinguishing unit and used for cutting off the power supply of the lithium iron phosphate direct-current power supply system according to the alarm instruction generated by the detection unit, generating a control instruction and sending the control instruction to the fire extinguishing unit;
the fire extinguishing unit is used for executing corresponding fire extinguishing operation according to the control instruction transmitted by the control unit;
and the alarm unit is used for executing the alarm operation of the corresponding level according to the alarm instruction transmitted by the detection unit.
The invention further improves the following steps: the parameter values include: the temperature of the lithium iron phosphate battery, the voltage of the lithium iron phosphate battery, the ambient temperature of the direct-current power supply of the lithium iron phosphate battery and the smoke concentration.
The invention further improves the following steps: the lithium iron phosphate direct-current power supply is arranged in a storage battery chamber of the transformer substation and comprises a battery cabinet, a charging cabinet and a feeder line cabinet;
the detection unit comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor and a third smoke sensor;
the first temperature sensor, the second temperature sensor and the third temperature sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring the temperature of the lithium iron phosphate battery, the ambient temperature of the charging cabinet and the ambient temperature of the feeder cabinet;
the voltage sensor is arranged in the battery cabinet and used for monitoring the voltage of the lithium iron phosphate battery;
the first smoke sensor, the second smoke sensor and the third smoke sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring smoke concentration in the battery cabinet, the charging cabinet and the feeder cabinet.
The invention further improves the following steps: the preset parameter threshold includes: a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor, and a third smoke sensor.
The invention further improves the following steps: the fire extinguishing unit comprises a controllable fire extinguishing agent storage tank capable of spraying a fire extinguishing agent to the direct-current power supply of the lithium iron phosphate battery.
The invention further improves the following steps: the alarm unit comprises an audible and visual alarm.
The invention further improves the following steps: the detection unit compares the acquired parameter value with a preset parameter threshold value, generates different alarm instructions according to the comparison result, and transmits the different alarm instructions to the alarm unit and the control unit, and the method specifically comprises the following steps:
when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in a preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a first alarm instruction;
when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in the preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a second alarm instruction;
and generating a third alarm instruction when only the smoke concentration is not in the preset parameter threshold range in the real-time parameter values.
The invention further improves the following steps: the first alarm instruction is used for the control unit to automatically cut off the ferric lithium battery direct-current power supply and send out an audible and visual alarm signal through the alarm unit;
the second alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery by the control unit and releasing the total-flooding gas fire extinguishing agent to the box body exceeding the preset parameter threshold;
and the third alarm instruction is used for automatically cutting off the direct current power supply of the iron lithium battery by the control unit and reporting instruction information through the alarm unit.
In a second aspect, the invention provides a fire-fighting method for a lithium iron phosphate battery direct-current power supply, which comprises the following steps:
collecting real-time parameter values of a direct-current power supply of the lithium iron phosphate battery, comparing the collected parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results;
and executing the alarm instruction.
The invention further improves the following steps: the method specifically comprises the following steps:
the method comprises the following steps of collecting real-time parameter values of a direct-current power supply of the lithium iron phosphate battery, comparing the collected parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results: when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in a preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a first alarm instruction; when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in the preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a second alarm instruction; when the smoke concentration is not in the preset parameter threshold range in the real-time parameter values, generating a third alarm instruction; the first alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery and sending out an acousto-optic alarm signal; the second alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery and generating a fire extinguishing control instruction to release the total submerged gas fire extinguishing agent to the box body exceeding the preset parameter threshold; the third alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery, sending an audible and visual alarm signal and reporting instruction information;
and executing the alarm instruction.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a fire-fighting system and method of a direct-current power supply of an iron lithium battery, which are used for acquiring the temperature and voltage of a battery body in a storage battery cabinet, the concentration of internal gas and the concentration of smoke, comparing the acquired parameter values with set parameter thresholds, generating alarm instructions of different levels according to the comparison result, generating fire-fighting instructions of corresponding levels according to the levels of the alarm instructions, executing alarm operation of corresponding levels, and finally executing fire-fighting operation of corresponding levels according to the levels of the fire-fighting instructions.
The method and the system realize the omnibearing detection of the direct-current power supply of the lithium iron phosphate battery for the transformer substation, classify the safety condition of the storage battery in the direct-current power supply according to the detection result, generate the alarm instruction and the fire extinguishing instruction of different levels, and execute the alarm operation and the fire extinguishing operation of different levels, so that the fire extinguishing efficiency is higher, and the alarm instruction can be generated only after the acquired signal lasts for a period of time, so that the false alarm rate is effectively reduced in the controllable range of fire.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of a DC power supply fire-fighting system for a lithium iron phosphate battery according to the present invention;
fig. 2 is a flow chart of a fire-fighting method of a lithium iron phosphate battery direct-current power supply.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1
Referring to fig. 1, in order to solve the problem that a plant station uses a lithium iron phosphate dc power supply system for fighting fire only by using a smoke sensor for detection and a dry powder extinguishing agent, the invention provides a lithium iron phosphate dc power supply fire-fighting system, which comprises: detection unit, alarm unit, control unit and the unit of putting out a fire.
The detection unit is connected with the control unit and the alarm unit and is used for acquiring real-time parameter values, comparing the acquired parameter values with preset parameter thresholds, and generating alarm instructions of different levels according to comparison results and transmitting the alarm instructions to the alarm unit and the control unit; the parameter values include: the temperature of the lithium iron phosphate battery, the voltage of the lithium iron phosphate battery, the ambient temperature of the direct-current power supply of the lithium iron phosphate battery and the smoke concentration. The lithium iron phosphate direct-current power supply is arranged in a storage battery chamber of the transformer substation and comprises a battery cabinet, a charging cabinet and a feeder line cabinet. The detection unit comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor and a third smoke sensor. The first temperature sensor, the second temperature sensor and the third temperature sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring the temperature of the lithium iron phosphate battery, the ambient temperature of the charging cabinet and the ambient temperature of the feeder cabinet; the voltage sensor is arranged in the battery cabinet and used for monitoring the voltage of the lithium iron phosphate battery; the first smoke sensor, the second smoke sensor and the third smoke sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring smoke concentration in the battery cabinet, the charging cabinet and the feeder cabinet. The detection unit is internally preset with parameter thresholds of a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor and a third smoke sensor, wherein the parameter thresholds are parameter ranges of normal work of the battery cabinet, the charging cabinet and the feeder cabinet.
The control unit is connected with the detection unit and the fire extinguishing unit and used for cutting off the power supply of the lithium iron phosphate direct-current power supply system according to the alarm instruction of the detection unit, generating a control instruction of a corresponding level according to the level of the alarm instruction and sending the control instruction to the fire extinguishing unit;
and the fire extinguishing unit is connected with the control unit and is used for executing fire extinguishing operation of a corresponding level according to the level of the control instruction transmitted by the control unit. The fire extinguishing system comprises a fire extinguishing agent, a storage tank, a pipeline, a valve and a spray head, wherein the storage tank is used for storing the fire extinguishing agent, the valve is used for controlling the opening and closing of the pipeline, and the spray head is used for spraying the fire extinguishing agent when the valve is opened.
And the alarm unit is connected with the detection unit and is used for executing the alarm operation of the corresponding level according to the level of the alarm instruction transmitted by the detection unit.
Example 2
Referring to fig. 2, the present invention further provides a fire fighting method using a lithium iron phosphate battery dc power supply, including the following steps:
collecting monitoring values of a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor and a third smoke sensor. The first temperature sensor, the second temperature sensor and the third temperature sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring the temperature of the lithium iron phosphate battery, the ambient temperature of the charging cabinet and the ambient temperature of the feeder cabinet; the voltage sensor is arranged in the battery cabinet and used for monitoring the voltage of the lithium iron phosphate battery; the first smoke sensor, the second smoke sensor and the third smoke sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring smoke concentration in the battery cabinet, the charging cabinet and the feeder cabinet.
Comparing the monitoring value with a preset corresponding parameter threshold value, and generating alarm instructions of different levels according to the comparison result:
when at least one parameter value of the battery temperature, the battery voltage and the environment temperature is not in the set normal operation parameter threshold range, the smoke concentration is in the set normal operation parameter threshold range and continuously exceeds the set value (generally 5-30S), generating a first alarm instruction;
when at least one parameter value of the battery temperature, the battery voltage and the environment temperature is not within the set normal operation parameter threshold value, the smoke concentration is not within the set normal operation parameter threshold value range, and continuously exceeds the set value (generally 5-30S), generating a second alarm instruction;
a third alarm command is generated when only the smoke concentration is not within the set normal operating parameter threshold range and continues to exceed the set value (typically 5-30S).
When the alarm instruction is a first alarm instruction, automatically cutting off the direct-current power supply of the iron lithium battery, and sending an audible and visual alarm signal to remind technicians to investigate hidden dangers;
when the alarm instruction is a second alarm instruction, automatically cutting off the direct-current power supply of the iron lithium battery, releasing a full-submerged gas extinguishing agent to the box body exceeding the normal operation parameter threshold value, and reporting to a fire alarm department and monitoring personnel when the alarm operation cannot be released after the fire extinguishing operation is executed;
and when the alarm instruction is a third alarm instruction, automatically cutting off the direct current power supply of the iron lithium battery, reporting the judgment condition of nearby personnel through monitoring videos or field observation, and taking corresponding measures.
The invention relates to a fire-fighting method of a direct-current power supply of a lithium iron phosphate battery, which is characterized in that a limited space in a screen cabinet is utilized to collect battery monomer parameters and an environmental fire signal, the collected information parameter values are compared with a set threshold value, an alarm instruction is sent out when the parameters exceed the threshold value, a system executes a fire extinguishing action according to the alarm instruction, meanwhile, the concentration information of a fire extinguishing agent is collected, the fire extinguishing precision is improved by continuously spraying through comparing the set concentration threshold value, an accident is controlled in the direct-current screen cabinet in the initial stage of a fire, and the occurrence of a secondary fire accident is prevented.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. The utility model provides a lithium iron phosphate battery DC power supply fire extinguishing system which characterized in that includes:
the detection unit is connected with the control unit and the alarm unit and is used for acquiring real-time parameter values of the direct-current power supply of the lithium iron phosphate battery, comparing the acquired parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results and transmitting the different alarm instructions to the alarm unit and the control unit;
the control unit is connected with the fire extinguishing unit and used for cutting off the power supply of the lithium iron phosphate direct-current power supply system according to the alarm instruction generated by the detection unit, generating a control instruction and sending the control instruction to the fire extinguishing unit;
the fire extinguishing unit is used for executing corresponding fire extinguishing operation according to the control instruction transmitted by the control unit;
and the alarm unit is used for executing the alarm operation of the corresponding level according to the alarm instruction transmitted by the detection unit.
2. The lithium iron phosphate battery direct current power supply fire fighting system according to claim 1, wherein the parameter values include: the temperature of the lithium iron phosphate battery, the voltage of the lithium iron phosphate battery, the ambient temperature of the direct-current power supply of the lithium iron phosphate battery and the smoke concentration.
3. The lithium iron phosphate battery direct-current power supply fire-fighting system according to claim 1, wherein the lithium iron phosphate battery direct-current power supply is arranged in a storage battery chamber of a transformer substation and comprises a battery cabinet, a charging cabinet and a feeder cabinet;
the detection unit comprises a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor and a third smoke sensor;
the first temperature sensor, the second temperature sensor and the third temperature sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring the temperature of the lithium iron phosphate battery, the ambient temperature of the charging cabinet and the ambient temperature of the feeder cabinet;
the voltage sensor is arranged in the battery cabinet and used for monitoring the voltage of the lithium iron phosphate battery;
the first smoke sensor, the second smoke sensor and the third smoke sensor are respectively arranged in the battery cabinet, the charging cabinet and the feeder cabinet and are respectively used for monitoring smoke concentration in the battery cabinet, the charging cabinet and the feeder cabinet.
4. The lithium iron phosphate battery direct current power supply fire fighting system according to claim 3, wherein the preset parameter threshold comprises: a first temperature sensor, a second temperature sensor, a third temperature sensor, a voltage sensor, a first smoke sensor, a second smoke sensor, and a third smoke sensor.
5. The lithium iron phosphate battery direct current power supply fire fighting system according to claim 1, wherein the fire extinguishing unit comprises a controllable fire extinguishing agent storage tank capable of spraying fire extinguishing agent to the lithium iron phosphate battery direct current power supply.
6. The lithium iron phosphate battery direct current power supply fire fighting system according to claim 1, wherein the alarm unit comprises an audible and visual alarm.
7. The lithium iron phosphate battery direct-current power supply fire fighting system according to claim 3, wherein the detection unit compares the collected parameter values with preset parameter thresholds, and generates different alarm instructions according to the comparison result to be transmitted to the alarm unit and the control unit, and specifically comprises:
when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in a preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a first alarm instruction;
when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in the preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a second alarm instruction;
and generating a third alarm instruction when only the smoke concentration is not in the preset parameter threshold range in the real-time parameter values.
8. The fire fighting system according to claim 7, wherein the first alarm command is used for the control unit to automatically cut off the ferric lithium battery DC power supply and send an audible and visual alarm signal through the alarm unit;
the second alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery by the control unit and releasing the total-flooding gas fire extinguishing agent to the box body exceeding the preset parameter threshold;
and the third alarm instruction is used for automatically cutting off the direct current power supply of the iron lithium battery by the control unit and reporting instruction information through the alarm unit.
9. A fire-fighting method for a direct-current power supply of a lithium iron phosphate battery is characterized by comprising the following steps:
collecting real-time parameter values of a direct-current power supply of the lithium iron phosphate battery, comparing the collected parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results;
and executing the alarm instruction.
10. The fire fighting method of the lithium iron phosphate battery direct current power supply according to claim 9, characterized by comprising the following steps:
the method comprises the following steps of collecting real-time parameter values of a direct-current power supply of the lithium iron phosphate battery, comparing the collected parameter values with preset parameter thresholds, and generating different alarm instructions according to comparison results: when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in a preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a first alarm instruction; when at least one of the real-time parameter values, namely the battery temperature, the battery voltage and the environment temperature, is not in the preset parameter threshold range and the smoke concentration is in the preset parameter threshold range, generating a second alarm instruction; when the smoke concentration is not in the preset parameter threshold range in the real-time parameter values, generating a third alarm instruction; the first alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery and sending out an acousto-optic alarm signal; the second alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery and generating a fire extinguishing control instruction to release the total submerged gas fire extinguishing agent to the box body exceeding the preset parameter threshold; the third alarm instruction is used for automatically cutting off the direct-current power supply of the iron lithium battery, sending an audible and visual alarm signal and reporting instruction information;
and executing the alarm instruction.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116350972A (en) * | 2023-06-01 | 2023-06-30 | 苏州精控能源科技有限公司 | Fire control method and device for household distributed energy storage battery |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469257A (en) * | 2016-11-04 | 2017-12-15 | 安徽中科中涣防务装备技术有限公司 | A kind of vehicle battery box early warning fire extinguishing system and method |
| CN108631444A (en) * | 2018-05-30 | 2018-10-09 | 国网江苏电力设计咨询有限公司 | Transforming plant DC power supply hierarchical monitoring based on ferric phosphate lithium cell manages system |
| JP2019040814A (en) * | 2017-08-28 | 2019-03-14 | 日立化成株式会社 | Power storage system |
| CN110690513A (en) * | 2019-10-12 | 2020-01-14 | 北京精密机电控制设备研究所 | Battery thermal runaway state detection control device and method |
| CN110882504A (en) * | 2019-11-22 | 2020-03-17 | 国网河北省电力有限公司电力科学研究院 | Direct-current power supply system storage battery pack fire pre-judging and fire extinguishing system and method |
| CN111047816A (en) * | 2019-11-30 | 2020-04-21 | 苏州易换骑网络科技有限公司 | Fire monitoring method and system for battery charging cabinet |
| CN111035872A (en) * | 2020-01-02 | 2020-04-21 | 中车青岛四方车辆研究所有限公司 | Battery box fire prevention and control system and method |
| CN111467715A (en) * | 2020-03-26 | 2020-07-31 | 中国电力科学研究院有限公司 | Fire extinguishing method and system for lithium ion energy storage battery module |
| WO2020173471A1 (en) * | 2019-02-28 | 2020-09-03 | 宁德时代新能源科技股份有限公司 | Container-type energy storage system and environment control method therefor |
| CN112316332A (en) * | 2020-11-24 | 2021-02-05 | 国家电网有限公司 | Multistage early warning fire fighting device and method for lithium ion battery cabinet |
-
2021
- 2021-04-01 CN CN202110358976.6A patent/CN113112765A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469257A (en) * | 2016-11-04 | 2017-12-15 | 安徽中科中涣防务装备技术有限公司 | A kind of vehicle battery box early warning fire extinguishing system and method |
| JP2019040814A (en) * | 2017-08-28 | 2019-03-14 | 日立化成株式会社 | Power storage system |
| CN108631444A (en) * | 2018-05-30 | 2018-10-09 | 国网江苏电力设计咨询有限公司 | Transforming plant DC power supply hierarchical monitoring based on ferric phosphate lithium cell manages system |
| WO2020173471A1 (en) * | 2019-02-28 | 2020-09-03 | 宁德时代新能源科技股份有限公司 | Container-type energy storage system and environment control method therefor |
| CN110690513A (en) * | 2019-10-12 | 2020-01-14 | 北京精密机电控制设备研究所 | Battery thermal runaway state detection control device and method |
| CN110882504A (en) * | 2019-11-22 | 2020-03-17 | 国网河北省电力有限公司电力科学研究院 | Direct-current power supply system storage battery pack fire pre-judging and fire extinguishing system and method |
| CN111047816A (en) * | 2019-11-30 | 2020-04-21 | 苏州易换骑网络科技有限公司 | Fire monitoring method and system for battery charging cabinet |
| CN111035872A (en) * | 2020-01-02 | 2020-04-21 | 中车青岛四方车辆研究所有限公司 | Battery box fire prevention and control system and method |
| CN111467715A (en) * | 2020-03-26 | 2020-07-31 | 中国电力科学研究院有限公司 | Fire extinguishing method and system for lithium ion energy storage battery module |
| CN112316332A (en) * | 2020-11-24 | 2021-02-05 | 国家电网有限公司 | Multistage early warning fire fighting device and method for lithium ion battery cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116350972A (en) * | 2023-06-01 | 2023-06-30 | 苏州精控能源科技有限公司 | Fire control method and device for household distributed energy storage battery |
| CN116350972B (en) * | 2023-06-01 | 2023-08-22 | 苏州精控能源科技有限公司 | Fire control method and device for household distributed energy storage battery |
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