CN216670225U - High-low temperature damp-heat test box with fire-fighting function - Google Patents
High-low temperature damp-heat test box with fire-fighting function Download PDFInfo
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- CN216670225U CN216670225U CN202122441754.9U CN202122441754U CN216670225U CN 216670225 U CN216670225 U CN 216670225U CN 202122441754 U CN202122441754 U CN 202122441754U CN 216670225 U CN216670225 U CN 216670225U
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- box body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Fire Alarms (AREA)
Abstract
The utility model discloses a high-low temperature damp-heat test box with a fire-fighting function, which comprises a box body and a fire extinguishing assembly, wherein the fire extinguishing assemblyComprising a CO sensor or H arranged outside the box body2The fire extinguisher comprises a sensor and a fire extinguisher, wherein an outlet of the fire extinguisher is communicated with a nozzle arranged in a box body through a fire extinguishing pipeline. The high-low temperature damp-heat test box can further comprise an exhaust assembly, the exhaust assembly comprises a smoke sensor arranged on the outer side wall of the box body and an exhaust fan arranged outside the box body, an air inlet of the exhaust fan is communicated with an exhaust pipe, and the other end of the exhaust pipe is communicated with the inside of the box body. The high-low temperature damp-heat test box can quickly extinguish fire when the box body catches fire and quickly discharge smoke when a large amount of smoke is generated in the box body, and has the characteristics of reasonable structure and high safety.
Description
Technical Field
The utility model relates to a test device, in particular to a high-low temperature damp-heat test box with a fire-fighting function.
Background
At present, lithium batteries are widely applied to various industries such as mobile phones, electric motorcycles, electric automobiles and the like, and along with gradual expansion of application range and continuous improvement of requirements, the energy density in a unit space of the battery is enhanced, the quantity and the quality of the battery are remarkably increased, and the probability of battery safety accidents is increased. Therefore, the safety problem in the application process of the lithium battery is increasingly emphasized, and before the lithium battery is put into use formally, the safety of the lithium battery needs to be evaluated and tested.
High and low temperature tests, which are one way to test the performance of lithium batteries, need to be performed in a high and low temperature humid and thermal test chamber. In the test process, because the lithium battery has the possibility of burning and even explosion in high and low temperature environments, the released toxic and harmful gases cause damage to personnel and equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a high-low temperature damp-heat test box which can start fire extinguishing in time when a sample in the box burns or the temperature of the sample is too high.
In order to realize the purpose, the utility model adopts the following technical scheme:
the high-low temperature damp-heat test box with the fire fighting function comprises a box body and a fire extinguishing assembly, wherein the fire extinguishing assembly comprises a fire extinguisher arranged outside the box body and a monitoring box body for monitoring whether CO or H exists in the box body or not2Generated CO sensor or H2And the outlet of the fire extinguisher is communicated with a nozzle arranged in the box body through a fire extinguishing pipeline.
Further: the fire extinguishing assembly further comprises a temperature sensor arranged at the top of the sample to be detected in the box body.
According to another embodiment of the utility model: the high-low temperature damp-heat test box further comprises an exhaust assembly, wherein the exhaust assembly comprises a smoke sensor arranged on the outer side wall of the box body and an exhaust fan arranged outside the box body, an air inlet of the exhaust fan is communicated with an exhaust pipe, and the other end of the exhaust pipe is communicated with the inside of the box body; the exhaust assembly further comprises a first one-way electromagnetic valve arranged on the exhaust pipe and a smoke purification assembly arranged between the first one-way electromagnetic valve and the exhaust fan.
In another embodiment of the utility model: the smoke sensor is arranged on the box body through the mounting assembly, wherein the mounting assembly comprises a sensor shell, an axial flow fan and a connecting pipe, the smoke sensor is arranged in the sensor shell, the axial flow fan is arranged at the bottom of the sensor shell, and the sensor shell is communicated with the inside of the box body through the connecting pipe.
Further: an air inlet communicated with the connecting pipe is formed in the upper portion of the sensor shell, and the connecting pipe is a stainless steel hose.
Further: the smoke purification component comprises a shell and activated carbon arranged in the shell.
Further: the fire extinguishing pipeline is provided with a second one-way electromagnetic valve, and the nozzle is positioned at the upper part in the box body; and the spraying angle of the nozzle is adjustable.
Further: the high-low temperature damp-heat test box also comprises a control module for controlling each component to automatically run.
According to the high-low temperature damp-heat test box, the fire extinguishing assembly is arranged, so that flame can be quickly extinguished when the battery burns in the test process, and the exhaust assembly is arranged, so that smoke, harmful gas and the like generated by the battery burning can be timely exhausted out of the box body. In addition, through the installation component, the traditional smoke sensor can be installed on the high-low temperature damp-heat test box for use. The whole high-low temperature damp-heat test box is reasonable in structure and high in safety.
Drawings
FIG. 1 is a schematic structural diagram of a high-low temperature damp-heat test chamber with a fire-fighting function according to the utility model; and
fig. 2 shows a schematic view of the installation structure of the smoke sensor according to the present invention.
Detailed Description
As shown in figure 1, the high-low temperature damp-heat test chamber comprises a chamber body 1 and a fire extinguishing assembly, wherein the fire extinguishing assembly comprises a CO sensor or an H sensor2Sensor 31, nozzle 32, and CO2Fire extinguisher 35, wherein said CO sensor or H2The sensor 31 is arranged on the outer wall of the box body 1 and used for monitoring whether CO or H exists in the box body in the test process2Generating; the fire extinguisher 35 is disposed outside the cabinet 1, and an outlet of the fire extinguisher 35 is communicated with the nozzle 32 disposed inside the cabinet 1, preferably at the top inside the cabinet 1, via the fire extinguishing pipe 33. In addition, the fire extinguishing assembly further comprises a nozzle 32 and a fire extinguisher 35 arranged between the nozzle and the fire extinguisherA second one-way solenoid valve 34 disposed on the fire extinguishing pipe 33. When CO sensor or H2The fire extinguishing assembly responds instantaneously when the sensor 31 detects the combustion of the lithium battery under test in the casing 1, at which point the extinguishing agent in the extinguisher 35 is sprayed through the fire extinguishing pipe 33 through the nozzle 32 to the burning lithium battery. Preferably, the spraying angle of the nozzle 32D is adjustable, so that the spraying direction of the fire extinguishing agent can be adjusted according to the requirement; and a second one-way solenoid valve 34 installed on the fire extinguishing pipe 33 is used to control communication and closing of the fire extinguishing pipe 33 while preventing backflow of the fire extinguishing agent. In addition, the fire extinguishing assembly of the present invention may further include a temperature sensor 36 disposed at the top of the sample 4 to be tested in the box 1, so as to monitor the temperature of the sample 4 in real time during the test, and to start the fire extinguisher 35 to extinguish the sample in time when the temperature of the sample to be tested is too high.
According to another embodiment of the present invention, the high and low temperature damp-heat test chamber may further include an exhaust assembly, the exhaust assembly includes a smoke sensor 21, an exhaust duct 22, a first one-way solenoid valve 23, and an exhaust fan 25, wherein the smoke sensor 21 is disposed on an outer sidewall of the chamber 1, the exhaust fan 25 is disposed outside the chamber 1, an air inlet of the exhaust fan 25 is communicated with the exhaust duct 22 preferably disposed at an upper portion of the chamber 1, and another end of the exhaust duct 22 is communicated with an interior of the chamber 1. The first one-way solenoid valve 23 is disposed on the exhaust duct 22. Therefore, when the smoke sensor 21 detects that the lithium battery in the box body 1 under test burns to generate smoke, the exhaust fan 25 can be quickly started, and the first one-way electromagnetic valve 23 is opened to be communicated with the exhaust pipe 22 so as to timely exhaust the smoke in the box body 1 and prevent the smoke outside the box body 1 from entering the box body. In addition, the exhaust assembly may further include a smoke purification assembly 24 disposed between the first one-way solenoid valve 23 and the exhaust fan 25, the smoke purification assembly 24 includes a housing and activated carbon disposed in the housing, and the activated carbon is preferably provided with multiple layers, so that toxic and harmful smoke generated in the box body 1 is purified by the smoke purification assembly 24 and then discharged outside the box.
Due to the damp and hot boxThe temperature range of the air inside the smoke sensor is generally-70-150 ℃, while the use temperature range of the conventional smoke sensor is mostly-10-55 ℃, so that the smoke sensor can have certain problems when being applied to a wet heat box. To this end, the utility model proposes the following solutions: specifically, as shown in fig. 2, in order to enable the smoke sensor 21 to accurately detect smoke generated inside the box body 1 in time, the present invention employs a set of mounting components, which include a sensor housing 211, an axial flow fan 212 and a connecting pipe 214, wherein the smoke sensor 21 is mounted at a preferred upper position inside the sensor housing 211, the axial flow fan 212 is disposed at the bottom of the sensor housing 211 and is communicated with the outside for exhausting air inside the sensor housing 11, and an air inlet 213 is disposed at an upper position of the sensor housing 211, the air inlet 213 is communicated with a lead hole 11 disposed on the box body 1 through the connecting pipe 214 and is further communicated with the inside of the box body 1, so that when the axial flow fan 212 is started during a test, air inside the sensor housing 211 is drawn out to form a negative pressure inside the sensor housing 211, at this time, the air in the case 1 enters the sensor housing 211 through the lead holes 11, the connection pipe 214, and the air inlet 213, which are communicated with each other, and in the process, the high-temperature or low-temperature gas in the connection pipe 214 exchanges heat with the outside, so that the temperature of the gas in the connection pipe 214 reaches the normal use range of the conventional smoke sensor. For this, in the present invention, the connection pipe 214 is preferably a stainless steel hose, and the stainless steel hose has a certain length suitable for being wound on the outer wall of the sensor housing 211 to facilitate the heat exchange process. Further, in the present invention, the CO sensor or H2The sensor 31 may also be located outside the housing 1 by a similar mounting assembly as described above for mounting the smoke sensor 21 for monitoring the presence of CO or H within the housing 12And (4) generating. In addition, the high-low temperature damp-heat test box also comprises a control module for controlling the automatic operation of each component.
When the high-low temperature damp-heat test box is used for carrying out test operation, the test steps can comprise:
s1: placing a sample to be tested, such as a lithium battery, into a high-low temperature damp-heat test box for testing;
s2: CO sensor or H in fire extinguishing assembly2The sensor 31 detects whether CO or H is present in the tank 12If the CO sensor 31 detects CO or the temperature sensor 36 detects that the temperature of the surface of the sample 4 to be detected is too high, the fire extinguishing assembly is started, at the moment, the second one-way electromagnetic valve 34 is opened, and the fire extinguishing agent in the fire extinguisher 35 is sprayed into the box through the fire extinguishing pipeline 33 through the nozzle 32 so as to extinguish fire in time; if CO sensor 31 or H2The sensor does not detect CO or H2And the temperature sensor 36 does not detect an excessive temperature, S3 is performed;
s3: the smoke sensor 21 of the exhaust assembly detects whether smoke is generated in the box body 1, if smoke is detected, the exhaust assembly is started immediately, at the moment, the first one-way electromagnetic valve 23 is opened, the smoke in the box body 1 is exhausted under the action of the exhaust fan 25, and in the exhaust process, the smoke can be adsorbed and purified by active carbon in the smoke purification assembly 24 and then exhausted; if the smoke sensor 21 does not detect smoke, the test is continued normally until the test is finished.
The present invention has been described in detail with reference to the preferred embodiments. However, variations and additions to the embodiments will become apparent to those of ordinary skill in the art upon a reading of the foregoing description. It is the intention of the applicants that all such variations and additions fall within the scope of the claims. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Any modification and improvement of this product, and the substitution and use of the same or similar substances within the scope or range of patents, shall fall within the scope of protection of this invention.
Claims (4)
1. The utility model provides a high low temperature damp heat test case with fire control function, includes the box, its characterized in that: the high-low temperature damp-heat test box further comprises a fire extinguishing assembly, wherein the fire extinguishing assembly comprises a fire extinguisher arranged outside the box body and is used for monitoring whether CO or H exists in the box body2CO sensor or H produced2The outlet of the fire extinguisher is communicated with a nozzle arranged in the box body through a fire extinguishing pipeline; the high-low temperature damp-heat test box further comprises an exhaust assembly, wherein the exhaust assembly comprises a smoke sensor arranged on the outer side wall of the box body and an exhaust fan arranged outside the box body, an air inlet of the exhaust fan is communicated with an exhaust pipe, and the other end of the exhaust pipe is communicated with the inside of the box body; the exhaust assembly also comprises a first one-way electromagnetic valve arranged on the exhaust pipe and a smoke purification assembly arranged between the first one-way electromagnetic valve and the exhaust fan, and the smoke purification assembly comprises a shell and active carbon arranged in the shell; the fire extinguishing assembly also comprises a temperature sensor arranged at the top of the sample to be detected in the box body; the smoke sensor is arranged on the box body through the mounting assembly, wherein the mounting assembly comprises a sensor shell, an axial flow fan and a connecting pipe, the smoke sensor is arranged in the sensor shell, the axial flow fan is arranged at the bottom of the sensor shell, and the sensor shell is communicated with the inside of the box body through the connecting pipe.
2. The high and low temperature thermal humidity test chamber according to claim 1, wherein: an air inlet communicated with the connecting pipe is formed in the upper portion of the sensor shell, and the connecting pipe is a stainless steel hose.
3. The high-low temperature damp-heat test chamber according to claim 1 or 2, wherein: a second one-way electromagnetic valve is arranged on the fire extinguishing pipeline, and the nozzle is positioned at the upper part in the box body; and the spraying angle of the nozzle is adjustable.
4. The high-low temperature damp-heat test chamber according to claim 1 or 2, wherein: the high-low temperature damp-heat test box also comprises a control module for controlling each component to automatically run.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011414450.7A CN112630663A (en) | 2020-12-04 | 2020-12-04 | High-low temperature damp-heat test box with fire-fighting function and test method thereof |
| CN2020114144507 | 2020-12-04 |
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| Publication Number | Publication Date |
|---|---|
| CN216670225U true CN216670225U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011414450.7A Pending CN112630663A (en) | 2020-12-04 | 2020-12-04 | High-low temperature damp-heat test box with fire-fighting function and test method thereof |
| CN202122441754.9U Active CN216670225U (en) | 2020-12-04 | 2021-10-11 | High-low temperature damp-heat test box with fire-fighting function |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011414450.7A Pending CN112630663A (en) | 2020-12-04 | 2020-12-04 | High-low temperature damp-heat test box with fire-fighting function and test method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113594607B (en) * | 2021-07-14 | 2024-07-16 | 安徽众兴模具有限公司 | Flame-retardant battery case |
| CN116251320B (en) * | 2023-05-11 | 2023-09-29 | 宁德时代新能源科技股份有限公司 | Fire-fighting method, device, equipment, storage medium and product of environment test incubator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009028285A1 (en) * | 2009-08-06 | 2011-02-10 | Robert Bosch Gmbh | Protection device for a test facility |
| CN109316687B (en) * | 2017-07-31 | 2021-05-11 | 华为技术有限公司 | Fire extinguishing method of battery system and battery system |
| CN108166779B (en) * | 2017-12-19 | 2020-08-21 | 广东立佳实业有限公司 | Environmental bin for power battery |
| CN108107157B (en) * | 2017-12-19 | 2020-06-16 | 广东立佳实业有限公司 | Toxic gas detection system for power battery environment bin |
| CN108853837B (en) * | 2018-08-02 | 2023-07-07 | 上汽时代动力电池***有限公司 | Walk-in temperature test device |
| CN109260640A (en) * | 2018-10-30 | 2019-01-25 | 杭州中传消防设备有限公司 | A kind of active power battery testing case fire disaster intelligently prevention and control system and method |
| CN210409298U (en) * | 2019-08-07 | 2020-04-28 | 安徽韬略智能科技有限公司 | Power battery environmental bin with fire extinguishing device |
| CN110346522B (en) * | 2019-08-26 | 2024-05-07 | 山西省计量科学研究院 | Explosion-proof high-low temperature damp heat test device |
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2020
- 2020-12-04 CN CN202011414450.7A patent/CN112630663A/en active Pending
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| CN112630663A (en) | 2021-04-09 |
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