Battery jig with fire extinguishing performance
By integrating smoke sensors and valve systems into the battery fixture, internal fire suppression during the battery formation process is achieved, solving the problem that external fire extinguishers cannot extinguish fires in time, thus improving battery safety and reducing manufacturing costs.
Patent Information
- Application Number
- CN202422834088.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In existing technologies, when a battery catches fire during the formation process, external fire extinguishers are often unable to extinguish the fire in time, posing a safety hazard.
Design a battery fixture with a smoke sensor and a valve body. The smoke sensor detects the fire and the vacuum device or the filling of the space with flame-retardant gas reduces the oxygen content to achieve internal fire suppression.
It enables timely fire suppression during the battery formation process, improving battery safety, and has a simple structure and low manufacturing cost.
Smart Images
Figure CN223641200U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to jig technical field, especially, it is related to a battery jig with fire extinguishing performance. BACKGROUND
[0002] Battery formation is that after battery assembly, through the charge and discharge treatment to the battery, to activate the active material on the electrode. In the prior art, the battery is placed in the jig, and then the jig is usually placed on the storage rack, and then the battery is charged and discharged to complete the formation of the battery. In the process of battery formation, there is a risk of fire. In order to ensure the safety of the battery, a fire extinguisher needs to be provided on the storage rack. When the jig with the battery catches fire, the fire extinguisher can extinguish the fire of the jig after the fire. However, the fire extinguisher on the storage rack can only extinguish the fire of the jig from the outside, and the fire after the battery burns is very fierce, so the way of extinguishing the fire from the outside of the jig cannot extinguish the fire of the battery in time. SUMMARY
[0003] The utility model solves the technical problems that the fire extinguisher in the prior art cannot extinguish the fire of the battery in time by extinguishing the fire of the battery from the outside of the jig, and provides a battery jig with fire extinguishing performance.
[0004] To solve the above problems, the utility model provides a battery jig with fire extinguishing performance, which comprises a smoke sensor, a valve body provided with a valve hole, and a jig provided with an accommodation space. The valve body is installed on the jig, and the valve hole is communicated with the accommodation space. The smoke sensor is communicated with the valve hole and is used for detecting the smoke content in the valve hole.
[0005] Optionally, the battery jig with fire extinguishing performance further comprises a vacuumizing device and a pipeline, the vacuumizing device is communicated with the valve hole through the pipeline, and the smoke sensor is installed on the pipeline.
[0006] Optionally, the battery jig with fire extinguishing performance further comprises a first formation probe, a second formation probe and a control panel, which are all installed on the jig. The control panel is electrically connected with the first formation probe, the second formation probe and the smoke sensor.
[0007] Optionally, the battery jig with fire extinguishing performance further comprises a heating element installed on the jig. The heating element is electrically connected with the control panel and is used for heating the battery in the accommodation space.
[0008] Optionally, the tool is provided with a liquid storage cavity for storing electrolyte, and the tool further comprises a liquid injection connector and a liquid injection nozzle, both of which are mounted on the tool and communicate with the liquid storage cavity, and the liquid injection nozzle communicates with the inner cavity of the battery in the accommodating space.
[0009] Optionally, the tool comprises a base provided with the accommodating space and an end cover detachably mounted on the base, and the valve body, the liquid injection connector and the liquid injection nozzle are mounted on the end cover, and the liquid storage cavity is arranged on the end cover.
[0010] Optionally, the valve body comprises a valve seat provided with a switching hole and a valve rod slidingly inserted into the switching hole, the valve hole comprises a first channel and a second channel both arranged on the valve seat and communicating with the switching hole, and the valve rod slides in the switching hole to make the first channel communicate with or not communicate with the second channel.
[0011] The first channel communicates with the liquid storage cavity, and the second channel communicates with the accommodating space.
[0012] Optionally, the valve rod is provided with a plugging part, and the valve hole further comprises a third channel arranged on the valve seat and communicating with the switching hole.
[0013] When the valve rod drives the plugging part to slide into the switching hole between the first channel and the second channel, the first channel does not communicate with the second channel, and the third channel communicates with the second channel through the switching hole.
[0014] When the valve rod drives the plugging part to slide into the switching hole between the second channel and the third channel, the first channel communicates with the second channel through the switching hole, and the third channel does not communicate with the second channel.
[0015] In the utility model, the valve body is mounted on the tool, and the valve hole on the valve body communicates with the accommodating space on the tool; the smoke sensor communicates with the valve hole and is used for detecting the smoke content in the valve hole; when the battery in the accommodating space burns, smoke will enter the valve hole, the smoke sensor will detect that the smoke content in the valve hole exceeds the standard, the vacuumizing device will extract the gas in the accommodating space through the valve body, thereby reducing the oxygen content in the accommodating space, or the positive pressure charging device will fill nitrogen, carbon dioxide and other fire -retardant gases into the accommodating space through the valve body, the oxygen content in the accommodating space is reduced, thereby the battery in the tool can be extinguished from the inside of the tool, and the safety of the tool with the fire extinguishing performance is guaranteed. Moreover, the tool with the fire extinguishing performance has simple structure and low manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model is further explained below in combination with the drawings and embodiments.
[0017] Figure 1 A schematic view of a battery fixture with fire extinguishing performance provided by an embodiment of the utility model;
[0018] Figure 2 A sectional view of a battery fixture with fire extinguishing performance provided by an embodiment of the utility model;
[0019] Figure 3 A sectional view of a valve body of a fixture with fire extinguishing performance provided by an embodiment of the utility model.
[0020] The reference signs in the specification are as follows:
[0021] 1, smoke sensor; 2, valve body; 21, valve hole; 211, first channel; 212, second channel; 213, third channel; 22, valve seat; 221, switching hole; 23, valve rod; 231, plugging part; 3, fixture; 31, containing space; 32, first formation probe; 33, second formation probe; 34, control board; 35, liquid storage cavity; 36, liquid injection connector; 37, liquid injection nozzle; 38, base; 39, end cover; 4, vacuumizing device; 5, pipeline; 100, battery. DETAILED DESCRIPTION
[0022] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly understood, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.
[0023] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0024] As Figure 1As shown, the utility model embodiment provides a kind of tool with fire extinguishing performance, including smoke sensor 1, valve body 2 with valve hole 21 and tool 3 with containing space 31;The valve body 2 is installed on the tool 3, and the valve hole 21 is communicated with the containing space 31;The smoke sensor 1 is communicated with the valve hole 21 and is used to detect the smoke content in the valve hole 21.It can be understood that the smoke sensor 1 can be installed on the valve body 2, also can be installed on the pipeline 5 communicated with the valve body 2.External vacuumizing device 4 can be connected with the valve body 2 by pipeline 5, so that external vacuumizing device 4 can be extracted into the containing space 31 with positive pressure or negative pressure state, to complete the formation of battery 100, standing etc.
[0025] In the utility model, the valve body 2 is installed on the tool 3, and the valve hole 21 on the valve body 2 is communicated with the containing space 31 on the tool 3;The smoke sensor 1 is communicated with the valve hole 21 and is used to detect the smoke content in the valve hole 21;When battery 100 burns in the containing space 31, smoke will enter the valve hole 21, the smoke sensor 1 will detect that the smoke content in the valve hole 21 is excessive, and vacuumizing device 4 will extract the gas in the containing space 31 through the valve body 2, to reduce the oxygen content in the containing space 31, or the positive pressure charging device will fill nitrogen, carbon dioxide and other fire-retardant gases into the containing space 31 through the valve body 2, the oxygen content in the containing space 31 is reduced, which can extinguish the fire of battery 100 from the inside of the tool 3, to ensure the safety of the tool with fire extinguishing performance.And the tool with fire extinguishing performance has simple structure and low manufacturing cost.
[0026] In an embodiment, as shown in Figure 1 The tool with fire extinguishing performance also includes vacuumizing device 4 and pipeline 5, the vacuumizing device 4 is communicated with the valve hole 21 through the pipeline 5, and the smoke sensor 1 is installed on the pipeline 5.It can be understood that the smoke sensor 1 is communicated with the valve hole 21 through the inner hole of the pipeline 5;The vacuumizing device 4 can extract the containing space 31 into positive pressure or negative pressure state through the pipeline 5 and the valve body 2, to complete the formation of battery 100, standing etc.In this embodiment, the smoke sensor 1 is installed on the pipeline 5, so that the smoke sensor 1 can detect whether battery 100 in the containing space 31 is on fire in real time when the vacuumizing device 4 adjusts the pressure in the battery 100 or the containing space 31.
[0027] In an embodiment, as shown in Figure 2As shown, the tool with fire extinguishing performance further comprises a first formation probe 32, a second formation probe 33 and a control panel 34, which are all installed on the tool 3, and the control panel 34 is electrically connected with the first formation probe 32, the second formation probe 33 and the smoke sensor 1. It can be understood that the first formation probe 32 and the second formation probe 33 are electrically connected with the positive and negative electrodes of the battery 100 respectively, so as to complete the formation work of the battery 100, and the smoke sensor 1 can detect whether the battery 100 is on fire during the formation of the battery 100, thereby ensuring the safety of the battery 100 during the formation.
[0028] In an embodiment, the tool with fire extinguishing performance further comprises a heating element (not shown in the figure) installed on the tool 3, which is electrically connected with the control panel 34 and used for heating the battery 100 located in the accommodating space 31. It can be understood that the heating element includes but is not limited to a heating wire, a heating plate and the like, and the heating element can be arranged around the accommodating space 31, so that the heating element heats the accommodating space 31, so that the battery 100 is in the high-temperature accommodating space 31, and then the tool with fire extinguishing performance can complete the high-temperature standing work of the battery 100, thereby improving the applicability and versatility of the tool with fire extinguishing performance.
[0029] In an embodiment, as shown in Figure 2 The tool 3 is provided with a liquid storage cavity 35 for storing electrolyte, and the tool with fire extinguishing performance further comprises a liquid injection connector 36 and a liquid injection nozzle 37, which are both installed on the tool 3 and communicate with the liquid storage cavity 35, and the liquid injection nozzle 37 communicates with the inner cavity of the battery 100 located in the accommodating space 31. It can be understood that the liquid injection connector 36 is installed on the top of the tool 3, and the liquid injection nozzle 37 is located in the accommodating space 31, so that the liquid injection nozzle 37 can be connected with the liquid injection port of the battery 100 located in the accommodating space 31, thereby the liquid injection nozzle 37 communicates with the inner cavity of the battery 100.
[0030] In this embodiment, the external liquid injection device can inject electrolyte into the liquid storage cavity 35 through the liquid injection connector 36; the electrolyte in the liquid storage cavity 35 can be injected into the inner cavity of the battery 100 through the liquid injection nozzle 37, thereby completing the liquid injection work of the battery 100; after the completion of the formation of the battery 100 in the accommodating space 31, the electrolyte in the liquid storage cavity 35 can also supplement the battery 100.
[0031] In an embodiment, as shown in Figure 2As shown, the jig 3 comprises a base 38 provided with the accommodating space 31 and an end cover 39 detachably mounted on the base 38, the valve body 2, the liquid injection connector 36 and the liquid injection nozzle 37 are all mounted on the end cover 39, and the liquid storage cavity 35 is arranged on the end cover 39. Understandably, the liquid injection connector 36 is mounted on the top of the end cover 39, and the liquid injection nozzle 37 is mounted on the bottom of the end cover 39. Specifically, after the end cover 39 is detached from the base 38, the battery 100 is placed in the accommodating space 31, and then the end cover 39 is covered on the base 38, and the liquid injection nozzle 37 is connected with the liquid injection port of the battery 100. In this embodiment, the disassembly and assembly of the jig 3 is convenient.
[0032] In an embodiment, as shown in Figure 3 As shown, the valve body 2 comprises a valve seat 22 provided with a switching hole 221 and a valve rod 23 slidingly inserted into the switching hole 221, the valve hole 21 comprises a first channel 211 and a second channel 212 both arranged on the valve seat 22, and the first channel 211 and the second channel 212 both communicate with the switching hole 221; the valve rod 23 slides in the switching hole 221 to determine whether the first channel 211 communicates with the second channel 212; the first channel 211 communicates with the liquid storage cavity 35, and the second channel 212 communicates with the accommodating space 31. Understandably, the first channel 211 communicates with the inner cavity of the battery 100 through the liquid storage cavity 35 and the liquid injection nozzle 37, and the second channel 212 communicates with the accommodating space 31.
[0033] In this embodiment, when the first channel 211 does not communicate with the second channel 212, the inner cavity of the battery 100 can be extracted into a negative pressure state through the first channel 211, and the accommodating space 31 is in a normal pressure state, so that the work of forming the battery 100 in a negative pressure state can be completed; when the first channel 211 communicates with the second channel 212 through the switching hole 221, the pressure in the accommodating space 31 and the inner cavity of the battery 100 can be adjusted through the first channel 211 at the same time, and the pressure in the accommodating space 31 and the inner cavity of the battery 100 remains consistent, so that the work of standing the battery 100 in a positive pressure or negative pressure state can be completed. In addition, the smoke sensor 1 can detect the smoke in the accommodating space 31 and the inner cavity of the battery 100 at the same time through the first channel 211, so that the smoke sensor 1 can detect whether the inner cavity of the battery 100 or the outside of the battery 100 is on fire in real time, further improving the safety of the jig with the fire extinguishing performance.
[0034] In an embodiment, as shown in Figure 3As shown, the valve rod 23 is provided with a blocking part 231, the valve hole 21 further comprises a third channel 213 arranged on the valve seat 22 and communicating with the switching hole 221; it can be understood that the top of the valve rod 23 extends from the switching hole 221, and the blocking part 231 can be a sealing ring sleeved on the valve rod 23; the first channel 211, the second channel 212 and the third channel 213 are sequentially and spacedly arranged along the axial direction of the switching hole 221; the first channel 211 and the third channel 213 can both communicate with the external vacuumizing device 4.
[0035] When the valve rod 23 drives the blocking part 231 to slide into the switching hole 221 between the first channel 211 and the second channel 212, the first channel 211 does not communicate with the second channel 212, and the third channel 213 communicates with the second channel 212 through the switching hole 221; it can be understood that the first channel 211 can only draw the inside of the battery 100 into a vacuum state through the liquid storage cavity 35 and the liquid injection nozzle 37, and the third channel 213 can independently adjust the air pressure of the containing space 31.
[0036] When the valve rod 23 drives the blocking part 231 to slide into the switching hole 221 between the second channel 212 and the third channel 213, the first channel 211 communicates with the second channel 212 through the switching hole 221, and the third channel 213 does not communicate with the second channel 212; it can be understood that the air pressure of the containing space 31 and the inside of the battery 100 can be simultaneously adjusted through the first channel 211.
[0037] The above is only an embodiment of the battery fixture with fire extinguishing performance of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model.
Claims
1. A battery fixture having a fire extinguishing performance, characterized by, The battery fixture with fire extinguishing performance comprises a smoke sensor, a valve body provided with a valve hole, and a jig provided with a containing space; the valve body is installed on the jig, and the valve hole communicates with the containing space; the smoke sensor communicates with the valve hole and is used for detecting the smoke content in the valve hole.
2. The battery jig having a fire extinguishing performance according to claim 1, wherein, The battery fixture with fire extinguishing performance further comprises a vacuumizing device and a pipeline, the vacuumizing device communicates with the valve hole through the pipeline, and the smoke sensor is installed on the pipeline.
3. The battery jig having a fire extinguishing performance according to claim 1, wherein, The battery fixture with fire extinguishing performance further comprises a first formation probe, a second formation probe, and a control panel, which are all installed on the jig, and the control panel is electrically connected with the first formation probe, the second formation probe, and the smoke sensor.
4. The battery jig having a fire extinguishing performance according to claim 3, characterized by, The battery fixture with fire extinguishing performance further comprises a heating element installed on the jig, the heating element is electrically connected with the control panel, and is used for heating the battery in the containing space.
5. The battery fixture having a fire extinguishing performance according to claim 1, wherein, The jig is provided with a liquid storage cavity for storing electrolyte, and the battery fixture with fire extinguishing performance further comprises a liquid injection connector and a liquid injection nozzle, which are all installed on the jig and communicate with the liquid storage cavity; the liquid injection nozzle is connected with the inner cavity of the battery in the containing space at the end far from the liquid storage cavity.
6. The battery fixture having a fire extinguishing performance according to claim 5, wherein, The jig comprises a base provided with the containing space and an end cover detachably installed on the base; the valve body, the liquid injection connector, and the liquid injection nozzle are all installed on the end cover, and the liquid storage cavity is arranged on the end cover.
7. The battery fixture having a fire extinguishing performance according to claim 6, wherein, The valve body comprises a valve seat provided with a switching hole and a valve rod slidingly inserted into the switching hole; the valve hole comprises a first channel and a second channel, which are both arranged on the valve seat and communicate with the switching hole; the valve rod slides in the switching hole, and the first channel communicates with the second channel or not; The first channel communicates with the liquid storage cavity, and the second channel communicates with the containing space.
8. The battery fixture having a fire extinguishing performance according to claim 7, wherein, The valve rod is provided with a plugging part, and the valve hole further comprises a third channel arranged on the valve seat and communicating with the switching hole; When the valve rod drives the plugging part to slide into the switching hole between the first channel and the second channel, the first channel does not communicate with the second channel, and the third channel communicates with the second channel through the switching hole; When the valve rod drives the plugging part to slide into the switching hole between the second channel and the third channel, the first channel communicates with the second channel through the switching hole, and the third channel does not communicate with the second channel.