CN220768995U - Fireproof antiknock house - Google Patents

Abstract

The embodiment of the application provides a fire prevention antiknock room, includes: the testing room comprises a first top wall, and a pressure relief opening is formed in the first top wall and used for relieving high-temperature smoke of the testing room; the pressure release chamber is arranged above the test room and at least covers the pressure release opening, and is communicated with the test room through the pressure release opening and used for collecting high-temperature flue gas released by the test room; the spraying system is arranged in the test room and comprises a spraying mechanism and a positioning sensor, the positioning sensor is used for acquiring the fire position in the test room, the spraying mechanism is electrically connected with the positioning sensor, and the spraying mechanism is used for spraying fire extinguishing medium to the fire position. On one hand, the pressure release chamber is arranged above the test room, so that high-temperature smoke of the test room can be effectively collected, and pollution to the environment is avoided; on the other hand, because the spraying system comprises a positioning sensor, the fire position can be positioned, the fire extinguishing accuracy of the spraying system is improved, and the false spraying is avoided.

Description

Fireproof antiknock house

Technical Field

The application belongs to the technical field of battery safety test, and particularly relates to a fireproof antiknock room.

Background

In order to detect the service performance of the new energy battery under various extreme conditions, an abuse test is usually performed in a fireproof and antiknock room, and the battery may burn or explode during the abuse test, and high-temperature smoke is generated. At this time, the fire disaster of the fireproof antiknock room needs to be effectively restrained, and the high-temperature smoke is timely discharged to ensure the safety of the testers.

In the prior art, in order to effectively inhibit fire, a fireproof antiknock room is generally provided with an automatic spraying fire extinguishing system, however, the automatic spraying fire extinguishing system can generate misspraying during fire extinguishment, thereby causing property loss. In addition, in order to remove high-temperature flue gas in time, a pressure relief opening is usually arranged in the fireproof antiknock room, and the pressure relief opening can cause environmental pollution when the high-temperature flue gas is discharged.

Disclosure of Invention

This application aims at providing the fire prevention antiknock room to solve among the prior art fire prevention antiknock room fire extinguishing accuracy low easily cause the mistake to spout, and high temperature fume emission easily causes environmental pollution's problem.

In order to solve the technical problems, the application is realized as follows:

the application discloses fire prevention antiknock room, fire prevention antiknock room includes:

the testing room comprises a first top wall, wherein a pressure relief opening is formed in the first top wall and used for relieving high-temperature smoke of the testing room;

the pressure release chamber is arranged above the test room and at least covers the pressure release opening, the pressure release chamber is communicated with the test room through the pressure release opening, and the pressure release chamber is used for collecting high-temperature flue gas released by the test room;

the spraying system is arranged in the test room and comprises a spraying mechanism and a positioning sensor, the positioning sensor is used for acquiring a fire position in the test room, the spraying mechanism is electrically connected with the positioning sensor, and the spraying mechanism is used for spraying fire extinguishing medium to the fire position.

Optionally, the test room comprises a first side wall, and the first side wall extends from the periphery of the first top wall to one side away from the pressure release chamber; the pressure release chamber comprises a second side wall, and the second side wall extends from the periphery of the first top wall to one side of the pressure release chamber;

the first side wall and the second side wall are integrally formed.

Optionally, the spraying mechanism includes shower nozzle and location driver, the shower nozzle set up in the expansion end of location driver, location driver with the location sensor electricity is connected, the location driver is used for the drive the shower nozzle removes or rotates.

Optionally, the spraying mechanism further comprises a temperature detector, the temperature detector is arranged at the movable end of the positioning driving piece, and the temperature detector is used for acquiring the temperature of the fire position.

Optionally, a control terminal is further arranged outside the fireproof antiknock room, the control terminal is provided with a switch, and the switch is used for opening or closing the spraying mechanism so as to enable the spraying mechanism to spray or stop spraying the fire extinguishing medium;

the switch includes a manual switch and an automatic switch.

Optionally, the spraying mechanism is rotatably connected to the first top wall or a side of the first side wall close to the first top wall.

Optionally, the fireproof antiknock room is further provided with a combustible gas detection system, and the combustible gas detection system is arranged in parallel with the spraying system.

Optionally, the combustible gas detection system includes at least two combustible gas detectors arranged in series, wherein at least part of the combustible gas detectors are arranged on the first top wall, and the rest of the combustible gas detectors are arranged on the first side wall.

Optionally, at least part of the second side wall is provided with a mounting hole, and a flue gas collecting pipeline is arranged in the mounting hole;

the flue gas collection pipeline has the both ends that deviate from each other, the flue gas collection pipeline is close to the one end of mounting hole is provided with the smoke valve, the flue gas collection pipeline deviates from the one end of mounting hole is used for being connected with outside flue gas processing system.

Optionally, a pressure relief valve is arranged at the pressure relief opening, and the opening direction of the pressure relief valve is the direction towards the inside of the pressure relief chamber.

In the embodiment of the application, the fireproof antiknock room comprises: the testing room comprises a first top wall, wherein a pressure relief opening is formed in the first top wall and used for relieving high-temperature smoke of the testing room; the pressure release chamber is arranged above the test room and at least covers the pressure release opening, the pressure release chamber is communicated with the test room through the pressure release opening, and the pressure release chamber is used for collecting high-temperature flue gas released by the test room; the spraying system is arranged in the test room and comprises a spraying mechanism and a positioning sensor, the positioning sensor is used for acquiring a fire position in the test room, the spraying mechanism is electrically connected with the positioning sensor, and the spraying mechanism is used for spraying fire extinguishing medium to the fire position. Thus, on the one hand, because the test room comprises the first top wall, and the pressure relief opening is formed in the first top wall, the battery can move upwards and timely discharge from the pressure relief opening due to high-temperature smoke generated by combustion or explosion in the test process, and therefore accumulation of the high-temperature smoke in the test room is avoided. On the other hand, as the pressure release chamber is arranged and at least covers the pressure release opening, high-temperature flue gas can be collected, and environmental pollution is avoided; because the pressure release chamber is arranged above the test room, the utilization rate of the building area can be improved, and the occupied area of the fireproof antiknock room can be effectively reduced. In addition, owing to set up spraying system, spraying system includes spraying mechanism and positioning sensor, on positioning sensor obtains the basis of the position of firing in the test room, can effectively avoid the mistake to spout to the position of firing through adopting spraying mechanism to spray extinguishing medium, has effectively improved spraying system's fire extinguishing accuracy, is favorable to reducing the cost of battery safety test.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a fireproof antiknock room according to an embodiment of the present application;

reference numerals: 1. the test chamber, 11, the first roof, 12, the first side wall, 13, the explosion vent, 2, the pressure relief vent, 21, the pressure relief valve, 3, the pressure relief chamber, 31, the second roof, 32, the second side wall, 33, the mounting hole, 34, the fume collection pipe, 341, the fume exhaust valve, 4, the spray mechanism, 41, 42, the positioning driving piece, 43, the temperature detector, 5, the positioning sensor, 6, the control terminal, 7, the fire pipe, 71, the electromagnetic valve, 8, the combustible gas detector, 9, the drainage ditch, 10, the inclined roof and 100, the battery to be tested.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application provides a fireproof antiknock room, and the fireproof antiknock room is described in detail below with reference to the accompanying drawings.

Referring to fig. 1, there is shown a schematic structural diagram of a fire-proof and anti-explosion room provided in an embodiment of the present application, as shown in fig. 1, the present application provides a fire-proof and anti-explosion room, including: the testing room 1, the testing room 1 comprises a first top wall 11, a pressure relief opening 2 is formed in the first top wall 11, and the pressure relief opening 2 is used for relieving high-temperature smoke of the testing room 1; the pressure release chamber 3 is arranged above the test room 1 and at least covers the pressure release opening 2, the pressure release chamber 3 is communicated with the test room 1 through the pressure release opening 2, and the pressure release chamber 3 is used for collecting high-temperature flue gas discharged by the test room 1; the spraying system is arranged in the test room 1 and comprises a spraying mechanism 4 and a positioning sensor 5, the positioning sensor 5 is used for acquiring a fire position in the test room 1, the spraying mechanism 4 is electrically connected with the positioning sensor 5, and the spraying mechanism 4 is used for spraying fire extinguishing medium to the fire position.

In this application embodiment, on the one hand, because test room 1 includes first roof 11, and pressure release mouth 2 has been seted up to first roof 11, and the battery can upward movement and in time discharge from pressure release mouth 2 because of the high temperature flue gas that burns or explodes production in the test process to the accumulation of high temperature flue gas in the test room 1 has been avoided. On the other hand, as the pressure release chamber 3 is arranged, and the pressure release chamber 3 at least covers the pressure release opening 2, high-temperature flue gas can be collected, and environmental pollution is avoided; because the pressure release chamber 3 is arranged above the test room 1, the utilization rate of the building area can be improved, and the occupied area of the fireproof antiknock room can be effectively reduced. In addition, owing to set up spraying system, spraying system includes spraying mechanism 4 and positioning sensor 5, on positioning sensor 5 obtains the basis of the position of firing in the test room 1, can effectively avoid the mistake to spout through adopting spraying mechanism 4 to spray extinguishing medium to the position of firing, is favorable to reducing the cost of battery safety test.

When the new energy battery burns or explodes in the testing process, the high-temperature smoke of the testing room 1 is discharged to the pressure release chamber 3 from the pressure release opening 2 in time, so that the impact pressure of the testing room 1 is reduced, and the building main body is protected from being damaged by the impact force. The opening area, the number of the pressure relief openings 2 and the volume of the pressure relief chamber 3 can be adaptively designed according to the related industry specifications and the volume of the test room 1, and the like, and the pressure relief opening is not limited herein. It can be appreciated that when the plurality of pressure relief openings 2 are provided, the plurality of pressure relief openings 2 are uniformly formed in the first top wall 11, so that the high-temperature flue gas of the test room 1 is rapidly discharged to the pressure relief chamber 3. In addition, the fire extinguishing medium may be a water-based fire extinguishing agent, a gas fire extinguishing agent, a foam fire extinguishing agent, a dry powder fire extinguishing agent, or other types of fire extinguishing agents, which are not limited herein; the shower mechanism 4 and the positioning sensor 5 may be integrated, or may be provided separately, and are not limited thereto. In addition, the spraying system in the embodiment of the application is preferably a fire water monitor system, has low cost and easy installation, and can quickly position the fire position and perform local cooling and fire extinguishment after a fire source is found, namely, the fire extinguishment system has higher fire extinguishment accuracy and fire extinguishment efficiency; it will be appreciated that when a fire water monitor system is employed, the spray mechanism 4 and the positioning sensor 5 are integrally provided; in addition, the fire extinguishing medium of the fire water monitor system is water.

In some alternative embodiments of the present application, the pressure relief valve 21 is provided at the pressure relief port 2, and the opening direction of the pressure relief valve 21 is the direction toward the inside of the pressure relief chamber 3. Because the pressure relief valve 21 is arranged, the test room 1 and the pressure relief chamber 3 are divided into two independent spaces, and the pressure relief valve 21 can be opened to relieve pressure only when the new energy battery burns or explodes in the test process and high-temperature smoke diffuses upwards and accumulates to the preset opening pressure of the pressure relief valve 21. Because the opening direction of the pressure release valve 21 is the direction facing the inside of the pressure release chamber 3, the high-temperature flue gas is not blocked in the discharge process, and the high-temperature flue gas is favorably accelerated to be discharged.

In some alternative embodiments of the present application, the test chamber 1 comprises a first side wall 12, the first side wall 12 extending from the periphery of the first top wall 11 towards the side facing away from the pressure relief chamber 3; the pressure release chamber 3 comprises a second side wall 32 and a second top wall 31, the second side wall 32 extends from the periphery of the first top wall 11 to one side of the pressure release chamber 3, and the second top wall 31 is arranged on one side of the second side wall 32 away from the first top wall 11; the first side wall 12 is integrally formed with the second side wall 32.

In this application embodiment, test room 1 includes first lateral wall 12, and pressure release room 3 includes second lateral wall 32, and first lateral wall 12 and second lateral wall 32 are integrated into one piece, specifically, first lateral wall 12 and second lateral wall 32 are steel construction integral construction or reinforced concrete integral casting, make test room 1 and pressure release room 3's wholeness improve to some extent, impact resistance strengthens to some extent.

It should be noted that, the fireproof antiknock room main part in this application embodiment, test room 1 and decompression room 3 are put up by the steel skeleton promptly to weld antiknock wall and form on the steel skeleton, wherein, the antiknock wall adopts the two-layer antiknock board that the interval set up, and pack glass fiber fireproof cotton between the antiknock board, in addition, test room 1 still is provided with explosion vent 13, and explosion vent 13's opening direction is the direction towards test room 1 inside. When the new energy battery burns or explodes in the testing process, on one hand, the anti-explosion plate is arranged, so that the overall shock resistance of the fireproof anti-explosion room is improved; on the other hand, the glass fiber fireproof cotton has good fireproof performance and heat preservation performance, and can effectively prevent fire from spreading and avoid heat dissipation, so that the safety of testers near the fireproof antiknock room is ensured; in addition, because the explosion door 13 is opened towards the inside of the test room 1, the explosion door 13 can be effectively prevented from being opened outwards under the impact force when explosion occurs, and the safety of test personnel is further ensured.

In some alternative embodiments of the present application, the spray system further comprises a fire protection line 7, the fire protection line 7 being adapted to communicate with an external fire protection device, wherein the external fire protection device provides fire protection medium to the spray system; an electric valve is arranged in the fire-fighting pipeline 7 and is used for cutting off or opening the fire-fighting pipeline 7 so as to block the external fire-fighting equipment from delivering the medium to the spraying mechanism 4 or enable the external fire-fighting equipment to deliver the fire-fighting medium to the spraying mechanism 4.

The solenoid valve 71 is preferable for the electric valve in the embodiment of the present application, and the solenoid valve 71 has a fast response speed, and accurate and reliable action, which is beneficial to improving the reliability of the spraying system.

In some alternative embodiments of the present application, the spraying mechanism 4 is rotatably connected to the first top wall 11 or to a side of the first side wall 12 adjacent to the first top wall 11.

In this embodiment of the present application, because the spraying mechanism 4 is rotatably connected to the first top wall 11 or one side of the first side wall 12, which is close to the first top wall 11, that is, the spraying mechanism 4 can rotate relative to the first top wall 11 or the first side wall 12, the space adjustment flexibility of the spraying mechanism 4 is improved, and alignment can be achieved for different fire positions, so that misspraying can be effectively avoided.

In some alternative embodiments of the present application, the spraying mechanism 4 includes a spray head 41 and a positioning driving member 42, the spray head 41 is disposed at a movable end of the positioning driving member 42, the positioning driving member 42 is electrically connected to the positioning sensor 5, and the positioning driving member 42 is used to drive the spray head 41 to move or rotate.

Further, the spraying mechanism 4 further includes a temperature detector 43, the temperature detector 43 is disposed at the movable end of the positioning driving member 42, and the temperature detector 43 is used for acquiring the temperature of the fire position.

In the embodiment of the application, since the spraying mechanism 4 comprises the positioning driving piece 42, the positioning driving piece 42 is electrically connected with the positioning sensor 5, and acts after receiving the fire position information acquired by the positioning sensor 5; because the spraying mechanism 4 comprises the spray head 41, the spray head 41 is arranged at the movable end of the positioning driving piece 42, and thus, the spray head 41 moves or rotates under the driving of the positioning driving piece 42, so that the fire-extinguishing medium is only sprayed locally at the fire-extinguishing position, and the fire-extinguishing medium does not reach the area or equipment where no fire occurs, thereby being beneficial to reducing the cost of the battery safety test. Further, since the shower mechanism 4 further includes the temperature detector 43, the temperature at the ignition position can be detected in advance.

In some alternative embodiments of the application, a control terminal 6 is further arranged outside the fireproof and antiknock room, the control terminal 6 is provided with a switch, and the switch is used for switching on or off the spraying mechanism 4 so as to enable the spraying mechanism 4 to spray or stop spraying the extinguishing medium; the switch includes a manual switch and an automatic switch.

In this embodiment of the application, because the control terminal 6 is provided, the control terminal 6 is provided with a switch, the switch includes a manual switch and an automatic switch, and the manual mode and the automatic mode of the spraying mechanism 4 are switched through the manual switch and the automatic switch, so that the active and passive fire extinguishing requirements of the new energy battery test process are met, different new energy battery test scenes are adapted through the switching of the two modes, various typical characteristics of thermal runaway in the battery test process are obtained, and the research and development test requirements of customers are met. In the actual application process, the electromagnetic valve 71 in the fire-fighting pipeline 7 and the temperature detector 43 of the spraying mechanism 4 are respectively and electrically connected with the control terminal 6, when the temperature detected by the temperature detector 43 is higher than the preset temperature, the temperature sensor transmits the result to the control terminal 6, and the control terminal 6 selectively opens the electromagnetic valve 71 in the fire-fighting pipeline 7 through a switch, so that the spraying mechanism 4 sprays fire extinguishing medium to the fire position.

In some alternative embodiments of the present application, the fire-resistant and antiknock room is further provided with a combustible gas detection system, which is arranged in parallel with the spraying system.

In the embodiment of the application, in the testing process of the new energy battery, phenomena such as overcharge, short circuit, needling, extrusion, overdischarge, falling and the like may cause electrolyte escape or battery short circuit, so that smoke, fire and even explosion and the like are generated. In order to prevent the explosion, the fireproof antiknock room of the embodiment of the application is further provided with a combustible gas detection system, and the combustible gas detection system can detect phenomena such as rupture of a battery or escape of trace electrolyte in early stage of thermal runaway of the battery, namely can sensitively capture the phenomenon when the thermal runaway of a battery pack does not occur yet. In addition, because the combustible gas detection system and the spraying system are arranged in parallel, the use safety of the fireproof antiknock room can be further improved.

In some alternative embodiments of the present application, the combustible gas detection system comprises at least two combustible gas detectors 8 arranged in series, wherein at least part of the combustible gas detectors 8 are arranged in the first top wall 11 and the remaining part of the combustible gas detectors 8 are arranged in the first side wall 12.

In the embodiment of the application, the combustible gas detection system comprises at least two combustible gas detectors 8 which are arranged in series, so that the influence of the environment, such as equipment shielding, on the combustible gas detection result is reduced, and the combustible gas detection reliability is improved. In addition, since the combustible gas detector 8 is provided at the first top wall 11 and the first side wall 12, respectively, the accuracy of the detection result is further improved. It will be appreciated that when two flammable gas detectors 8 are provided, wherein the flammable gas detector 8 provided at the first top wall 11 is located directly above the battery 100 to be tested, the flammable gas detector 8 provided at the first side wall 12 is located closest to the battery 100 to be tested.

It should be noted that, in the actual application process, the flammable gas detection system is electrically connected with the control terminal 6, when the content of the flammable gas detected by the flammable gas detector 8 is higher than the preset content, the flammable gas detector 8 transmits the result to the control terminal 6, and the control terminal 6 combines the detection result of the temperature detector 43 to selectively open the electromagnetic valve 71 in the fire fighting pipeline 7, so as to realize that the spraying mechanism 4 sprays the fire extinguishing medium to the fire position.

In some alternative embodiments of the present application, at least part of the second side wall 32 is provided with a mounting hole 33, and a flue gas collecting pipeline 34 is arranged in the mounting hole 33; the flue gas collecting pipe 34 has both ends that deviate from each other, and the one end that flue gas collecting pipe 34 is close to mounting hole 33 is provided with smoke valve 341, and the one end that flue gas collecting pipe 34 deviates from mounting hole 33 is used for being connected with outside flue gas processing system.

In the embodiment of the application, as the first side wall 12 is provided with the mounting hole 33, the flue gas collecting pipeline 34 is arranged in the mounting hole 33, and the high-temperature flue gas collected by the pressure release chamber 3 can be discharged; because the one end that flue gas collection pipeline 34 is close to mounting hole 33 is provided with smoke vent 341, the one end that flue gas collection pipeline 34 deviates from mounting hole 33 is connected with outside flue gas processing system, consequently, can carry the flue gas of pressure release room 3 to outside flue gas processing system through the opening of smoke vent 341 handle to discharge after reaching relevant standard, be favorable to improving the environmental protection performance in fire prevention antiknock room, avoid causing environmental pollution.

It should be noted that, since the high-temperature flue gas generated by the combustion or explosion of the battery during the test is upwardly diffused, in order to facilitate the collection of the high-temperature flue gas, the flue gas collecting pipe 34 should be disposed as close to the upper portion of the pressure release chamber 3, i.e., the side of the second side wall 32 close to the second top wall 31. In addition, the smoke exhaust valve 341 may be opened automatically or manually, which is not limited herein; when automatic opening is adopted, the access control terminal 6 can also be used for controlling.

In some alternative embodiments of the present application, the test room 1 is further provided with a drainage device for draining the accumulated water of the test room 1; the drainage device comprises a drainage ditch 9 and a drainage pipe, and the drainage ditch 9 is arranged on the ground of the test room 1; the drain pipe has the both ends that deviate from each other, and the one end of drain pipe communicates with the bottom of escape canal 9, and the other end of drain pipe is used for being connected with outside drainage system. Due to the arrangement of the drainage device, the drainage device comprises a drainage ditch 9 and a drainage pipe, and accumulated water of the test room 1 can be converged to the drainage ditch 9 and discharged to an external drainage system through the drainage pipe.

Further, the top of the pressure relief chamber 3 is also provided with a sloping roof 10, the sloping roof 10 covering at least the second top wall 31. As the fireproof antiknock room is generally arranged outdoors, the inclined roof 10 is arranged at the top of the pressure release chamber 3, so that rainwater can be timely discharged, and the influence of the rainwater on the main structure of the fireproof antiknock room is avoided.

In summary, in the embodiments of the present application, since the fireproof antiknock room includes: the testing room comprises a first top wall, wherein a pressure relief opening is formed in the first top wall and used for relieving high-temperature smoke of the testing room; the pressure release chamber is arranged above the test room and at least covers the pressure release opening, the pressure release chamber is communicated with the test room through the pressure release opening, and the pressure release chamber is used for collecting high-temperature flue gas released by the test room; the spraying system is arranged in the test room and comprises a spraying mechanism and a positioning sensor, the positioning sensor is used for acquiring a fire position in the test room, the spraying mechanism is electrically connected with the positioning sensor, and the spraying mechanism is used for spraying fire extinguishing medium to the fire position. Thus, on the one hand, because the test room comprises the first top wall, and the pressure relief opening is formed in the first top wall, the battery can move upwards and timely discharge from the pressure relief opening due to high-temperature smoke generated by combustion or explosion in the test process, and therefore accumulation of the high-temperature smoke in the test room is avoided. On the other hand, as the pressure release chamber is arranged and at least covers the pressure release opening, high-temperature flue gas can be collected, and environmental pollution is avoided; because the pressure release chamber is arranged above the test room, the utilization rate of the building area can be improved, and the occupied area of the fireproof antiknock room can be effectively reduced. In addition, owing to set up spraying system, spraying system includes spraying mechanism and positioning sensor, on positioning sensor obtains the basis of the position of firing in the test room, can effectively avoid the mistake to spout through adopting spraying mechanism to spray extinguishing medium to the position of firing, is favorable to reducing the cost of battery safety test.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A fire-resistant and blast-resistant room, characterized in that the fire-resistant and blast-resistant room comprises:

the testing room comprises a first top wall, wherein a pressure relief opening is formed in the first top wall and used for relieving high-temperature smoke of the testing room;

the pressure release chamber is arranged above the test room and at least covers the pressure release opening, the pressure release chamber is communicated with the test room through the pressure release opening, and the pressure release chamber is used for collecting high-temperature flue gas released by the test room;

the spraying system is arranged in the test room and comprises a spraying mechanism and a positioning sensor, the positioning sensor is used for acquiring a fire position in the test room, the spraying mechanism is electrically connected with the positioning sensor, and the spraying mechanism is used for spraying fire extinguishing medium to the fire position.

2. The fire and blast resistant house of claim 1, wherein said test house comprises a first side wall extending from the periphery of said first top wall to a side facing away from said pressure relief chamber; the pressure release chamber comprises a second side wall, and the second side wall extends from the periphery of the first top wall to one side of the pressure release chamber;

the first side wall and the second side wall are integrally formed.

3. The fire and blast resistant house of claim 1 or 2, wherein the spraying mechanism comprises a spray head and a positioning driving member, the spray head is arranged at the movable end of the positioning driving member, the positioning driving member is electrically connected with the positioning sensor, and the positioning driving member is used for driving the spray head to move or rotate.

4. A fire and blast resistant house as set forth in claim 3, wherein said spray mechanism further comprises a temperature detector disposed at a movable end of said positioning drive member, said temperature detector being adapted to obtain a temperature of said fire location.

5. The fire-proof and antiknock room according to claim 1 or 2, characterized in that a control terminal is further provided outside the fire-proof and antiknock room, the control terminal being provided with a switch for turning on or off the spraying mechanism to cause the spraying mechanism to spray or stop spraying the fire extinguishing medium;

the switch includes a manual switch and an automatic switch.

6. The fire resistant enclosure of claim 2 wherein said spray mechanism is rotatably connected to one side of said first top wall or said first side wall adjacent said first top wall.

7. A fire and blast resistant house as set forth in claim 2, further provided with a combustible gas detection system, said combustible gas detection system being arranged in parallel with said spray system.

8. The fire resistant and blast resistant house of claim 7, wherein said combustible gas detection system comprises at least two combustible gas detectors arranged in series, wherein at least a portion of said combustible gas detectors are disposed in said first top wall and the remaining portion of said combustible gas detectors are disposed in said first side wall.

9. The fireproof antiknock room according to claim 2, wherein at least part of the second side wall is provided with a mounting hole in which a flue gas collection pipe is arranged;

the flue gas collection pipeline has the both ends that deviate from each other, the flue gas collection pipeline is close to the one end of mounting hole is provided with the smoke valve, the flue gas collection pipeline deviates from the one end of mounting hole is used for being connected with outside flue gas processing system.

10. The fire-proof and explosion-proof house according to claim 1 or 2, wherein a pressure relief valve is arranged at the pressure relief opening, and the opening direction of the pressure relief valve is the direction facing the inside of the pressure relief chamber.