阅读说明：本技术 具有多次喷射功能的非贮压式灭火系统以及控制方法 (non-pressure-storage type fire extinguishing system with multiple-spraying function and control method ) 是由 李志鹏 姚家红 王俊康 张晓婷 李东风 于 2019-09-29 设计创作，主要内容包括：本公开是关于一种具有多次喷射功能的非贮压式灭火系统及控制方法。其中,该系统包括：信号端,非贮压式灭火装置,电池箱；信号端,用于接收并处理电池箱探测器发出的火灾报警信号,生成喷射信号并发送至非贮压式灭火装置；非贮压式灭火装置,用于接收喷射信号,触发喷射动作,将灭火剂喷射至电池箱；电池箱,包含灭火剂喷嘴及探测器,通过灭火剂喷嘴控制火情并通过探测器监测电池箱内部火灾情况,生成火灾报警信号。本公开具有多次喷射功能的非贮压式灭火系统,可有效的解决电池箱出现复燃的现象,并能确保持续不断的对电池箱进行降温。(the present disclosure relates to a non-stored pressure fire extinguishing system with multiple injection function and a control method thereof. Wherein, this system includes: a signal end, a non-pressure storage type fire extinguishing device and a battery box; the signal end is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device; the non-pressure storage type fire extinguishing device is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box; the battery box comprises a fire extinguishing agent nozzle and a detector, the fire is controlled through the fire extinguishing agent nozzle, the fire condition in the battery box is monitored through the detector, and a fire alarm signal is generated. The non-pressure-storage fire extinguishing system with the multiple-injection function can effectively solve the problem of re-combustion of the battery box and can ensure continuous cooling of the battery box.)

1. a non-stored pressure fire suppression system having a multiple spray function, the system comprising:

A signal end, a non-pressure storage type fire extinguishing device and a battery box;

the signal end is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device;

The non-pressure storage type fire extinguishing device is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box;

the battery box comprises a fire extinguishing agent nozzle and a detector, the fire is controlled through the fire extinguishing agent nozzle, the fire condition in the battery box is monitored through the detector, and a fire alarm signal is generated.

2. the system of claim 1, wherein the signal terminal further comprises:

And the computing unit is used for generating a non-pressure storage type fire extinguishing device spraying signal according to the fire alarm signal sent by the battery box detector.

3. The system of claim 1, wherein the unpressurized fire suppression device further comprises:

the non-pressure-storage type fire extinguishing device is characterized in that after a plurality of non-pressure-storage type fire extinguishing devices are connected in parallel, one end of each non-pressure-storage type fire extinguishing device is connected with a signal end and is used for receiving spraying signals, and the other end of each non-pressure-storage type fire extinguishing device is connected with the battery box and is used for spraying fire extinguishing agents through a connecting pipeline so.

4. The system of claim 3, wherein the unpressurized fire suppression device further comprises:

When a plurality of non-pressure storage type fire extinguishing devices are connected in parallel, one-way check valves are arranged between the non-pressure storage type fire extinguishing devices and the signal end, and the number of the one-way check valves is consistent with that of the non-pressure storage type fire extinguishing devices.

5. the system of claim 1, wherein the extinguishing agent in the unpressurized fire suppression device is perfluorohexanone.

6. The system of claim 1, wherein the detector of the battery box is a fire detector, and the fire detector detects the temperature and the concentration of harmful gas inside the battery box to generate a fire alarm signal.

7. A method of controlling a non-stored pressure fire suppression system having a multiple injection function, the method comprising:

a fire alarm signal generation step, wherein a fire detector in the battery box is used for detecting signals of temperature and harmful gas concentration in the battery box to generate a fire alarm signal;

a spraying signal generating step, namely receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to a non-pressure storage type fire extinguishing device;

and a fire extinguishing step, namely receiving the spraying signal, spraying the fire extinguishing agent in the non-pressure storage type fire extinguishing device through a fire extinguishing agent nozzle in the battery box, and finishing extinguishing the fire.

8. The method of claim 7, wherein the method further comprises:

after the fire extinguishing agent is sprayed by the non-pressure storage type fire extinguishing device n, if the fire detector of the battery box receives the fire signal again, the spraying signal is generated again and sent to the non-pressure storage type fire extinguishing device n +1, and the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, so that the fire extinguishment is completed;

After the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the spraying signal is generated again at preset time intervals and is sent to the non-pressure storage type fire extinguishing device n +1, the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, and fire extinguishment is completed.

9. The method of claim 8, wherein the method further comprises:

after the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the fire signal received again by the fire detector of the battery box or two signals with preset time intervals are based on the signal with the front receiving time, and a spraying signal is generated.

Technical Field

The disclosure relates to the technical field of safety, in particular to a non-pressure-storage type fire extinguishing system with a multi-spraying function and a control method.

Background

The non-pressure-storage fire extinguishing device adopts a solid gas generating device, is filled with perfluorohexanone which is a liquid and cooling type environment-friendly fire extinguishing agent at normal temperature, and is a brand-new small-sized independent fire extinguishing device. The fire extinguishing agent is stored at normal pressure in daily life, and is immediately started after receiving an ignition signal of a fire detector, pressure is quickly built, so that the internal pressure is greater than the bursting pressure of a bursting disc, the fire extinguishing agent flows to a nozzle of a target battery box through a pipeline to form atomization, and fire control of a lithium battery is realized.

at present, a generation end of a pressure storage type or non-pressure storage type fire extinguishing device in the market receives a spraying signal to trigger a spraying action, and a fire extinguishing agent is conveyed to a lithium ion battery box through a pipeline to realize the control of fire danger of the lithium ion battery box.

After single injection, the follow-up re-combustion phenomenon of the lithium ion battery box cannot be treated; the temperature of the lithium ion battery box can not be continuously and effectively reduced.

Accordingly, there is a need for one or more methods to address the above-mentioned problems.

it is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

An object of the present disclosure is to provide a non-stored pressure fire suppression system having a multi-spray function and a control method thereof, which overcome, at least to some extent, one or more of the problems due to the limitations and disadvantages of the related art.

According to one aspect of the present disclosure, there is provided an unpressurized fire extinguishing system having a multiple spray function, including:

a signal end, a non-pressure storage type fire extinguishing device and a battery box;

The signal end is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device;

The non-pressure storage type fire extinguishing device is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box;

the battery box comprises a fire extinguishing agent nozzle and a detector, the fire is controlled through the fire extinguishing agent nozzle, the fire condition in the battery box is monitored through the detector, and a fire alarm signal is generated.

in an exemplary embodiment of the present disclosure, the signal terminal further includes:

And the computing unit is used for generating a non-pressure storage type fire extinguishing device spraying signal according to the fire alarm signal sent by the battery box detector.

in an exemplary embodiment of the present disclosure, the non-stored pressure fire extinguishing apparatus further includes:

The non-pressure-storage type fire extinguishing device is characterized in that after a plurality of non-pressure-storage type fire extinguishing devices are connected in parallel, one end of each non-pressure-storage type fire extinguishing device is connected with a signal end and is used for receiving spraying signals, and the other end of each non-pressure-storage type fire extinguishing device is connected with the battery box and is used for spraying fire extinguishing agents through a connecting pipeline so.

In an exemplary embodiment of the present disclosure, the non-stored pressure fire extinguishing apparatus further includes:

When a plurality of non-pressure storage type fire extinguishing devices are connected in parallel, one-way check valves are arranged between the non-pressure storage type fire extinguishing devices and the signal end, and the number of the one-way check valves is consistent with that of the non-pressure storage type fire extinguishing devices.

in an exemplary embodiment of the present disclosure, the fire extinguishing agent in the unpressurized fire extinguishing device may be perfluorohexanone.

in an exemplary embodiment of the present disclosure, the detector of the battery box is a fire detector, and the temperature and the concentration of harmful gas inside the battery box can be detected to generate a fire alarm signal.

in one aspect of the present disclosure, there is provided a method for controlling non-stored pressure fire extinguishing having a multiple injection function, including:

a fire alarm signal generation step, wherein a fire detector in the battery box is used for detecting signals of temperature and harmful gas concentration in the battery box to generate a fire alarm signal;

A spraying signal generating step, namely receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to a non-pressure storage type fire extinguishing device;

and a fire extinguishing step, namely receiving the spraying signal, spraying the fire extinguishing agent in the non-pressure storage type fire extinguishing device through a fire extinguishing agent nozzle in the battery box, and finishing extinguishing the fire.

In an exemplary embodiment of the present disclosure, the method further comprises:

After the fire extinguishing agent is sprayed by the non-pressure storage type fire extinguishing device n, if the fire detector of the battery box receives the fire signal again, the spraying signal is generated again and sent to the non-pressure storage type fire extinguishing device n +1, and the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, so that the fire extinguishment is completed;

after the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the spraying signal is generated again at preset time intervals and is sent to the non-pressure storage type fire extinguishing device n +1, the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, and fire extinguishment is completed.

In an exemplary embodiment of the present disclosure, the method further comprises:

after the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the fire signal received again by the fire detector of the battery box or two signals with preset time intervals are based on the signal with the front receiving time, and a spraying signal is generated.

The disclosed non-stored pressure fire suppression system with multiple injection function includes: a signal end, a non-pressure storage type fire extinguishing device and a battery box; the signal end is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device; the non-pressure storage type fire extinguishing device is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box; the battery box comprises a fire extinguishing agent nozzle and a detector, the fire is controlled through the fire extinguishing agent nozzle, the fire condition in the battery box is monitored through the detector, and a fire alarm signal is generated. The non-pressure-storage fire extinguishing system with the multiple-injection function can effectively solve the problem of re-combustion of the battery box and can ensure continuous cooling of the battery box.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

the above and other features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 illustrates a block diagram of an unpressurized fire suppression system with multiple injection functionality according to an exemplary embodiment of the present disclosure;

FIG. 2 illustrates a plurality of unpressurized fire suppression devices of an unpressurized fire suppression system having multiple injection functionality in accordance with an exemplary embodiment of the present disclosure;

FIG. 3 illustrates a flow chart of a method of controlling off-mains fire suppression with multiple injection in accordance with an exemplary embodiment of the present disclosure.

Detailed Description

example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, devices, steps, and so forth. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. That is, these functional entities may be implemented in the form of software, or in one or more software-hardened modules, or in different networks and/or processor devices and/or microcontroller devices.

in the present exemplary embodiment, there is first provided a non-stored pressure type fire extinguishing system having a multiple injection function; referring to fig. 1, the non-stored pressure type fire extinguishing system having a multi-spray function may include the following devices:

A signal terminal 110, a non-pressure storage type fire extinguishing device 120, a battery box 130;

The signal terminal 110 is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device;

The non-pressure storage type fire extinguishing device 120 is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box;

and the battery box 130 comprises a fire extinguishing agent nozzle and a detector, controls fire through the fire extinguishing agent nozzle, monitors the fire condition in the battery box through the detector, and generates a fire alarm signal.

the disclosed non-stored pressure fire suppression system with multiple injection function includes: a signal end, a non-pressure storage type fire extinguishing device and a battery box; the signal end is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device; the non-pressure storage type fire extinguishing device is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box; the battery box comprises a fire extinguishing agent nozzle and a detector, the fire is controlled through the fire extinguishing agent nozzle, the fire condition in the battery box is monitored through the detector, and a fire alarm signal is generated. The non-pressure-storage fire extinguishing system with the multiple-injection function can effectively solve the problem of re-combustion of the battery box and can ensure continuous cooling of the battery box.

Next, the non-stored pressure type fire extinguishing system having the multiple injection function in the present exemplary embodiment will be further described. Referring to fig. 1, the non-stored pressure type fire extinguishing system 100 having a multi-spray function may include: a signal terminal 110, a non-pressure storage type fire extinguishing device 120 and a battery box 130. Wherein:

and the signal terminal 110 is used for receiving and processing a fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to the non-pressure storage type fire extinguishing device.

in an embodiment of the present example, the signal terminal further includes:

and the computing unit is used for generating a non-pressure storage type fire extinguishing device spraying signal according to the fire alarm signal sent by the battery box detector.

And the non-pressure storage type fire extinguishing device 120 is used for receiving the spraying signal, triggering the spraying action and spraying the fire extinguishing agent to the battery box.

in an embodiment of the present example, the non-stored pressure fire suppression apparatus further comprises:

The non-pressure-storage type fire extinguishing device is characterized in that after a plurality of non-pressure-storage type fire extinguishing devices are connected in parallel, one end of each non-pressure-storage type fire extinguishing device is connected with a signal end and is used for receiving spraying signals, and the other end of each non-pressure-storage type fire extinguishing device is connected with the battery box and is used for spraying fire extinguishing agents through a connecting pipeline so.

In an embodiment of the present example, the non-stored pressure fire suppression apparatus further comprises:

when a plurality of non-pressure storage type fire extinguishing devices are connected in parallel, one-way check valves are arranged between the non-pressure storage type fire extinguishing devices and the signal end, and the number of the one-way check valves is consistent with that of the non-pressure storage type fire extinguishing devices.

In the present exemplary embodiment, the fire extinguishing agent in the unpressurized fire extinguishing device may be perfluorohexanone.

and the battery box 130 comprises a fire extinguishing agent nozzle and a detector, controls fire through the fire extinguishing agent nozzle, monitors the fire condition in the battery box through the detector, and generates a fire alarm signal.

in the embodiment of the present example, the detector of the battery box is a fire detector, and the temperature and the concentration of harmful gas inside the battery box can be detected to generate a fire alarm signal.

in the embodiment of the present example, as shown in fig. 2, which is a schematic diagram of a parallel connection structure of a plurality of non-stored pressure type fire extinguishing apparatuses, N non-stored pressure type fire extinguishing apparatuses (N may be determined according to the required number of injections) are connected in parallel to one main pipe, and a check valve is installed at an injection outlet side of each non-stored pressure type fire extinguishing apparatus (to avoid damage and reverse flow of rupture discs of other non-stored pressure type fire extinguishing apparatuses when injecting). The generating end of each non-pressure storage type fire extinguishing device is connected with the same signal source (different signal sources can also be connected), and the injection control and the injection initial time (or injection interval) of each device are determined by an internal program of the control end.

The specific details of the device modules of each of the above-described non-stored pressure type fire extinguishing systems having a multi-spraying function have been described in detail in the corresponding non-stored pressure type fire extinguishing system having a multi-spraying function, and thus will not be described herein again.

it should be noted that although several modules or units of the unpressurized fire suppression system 100 having multiple spray functionality are mentioned in the above detailed description, such partitioning is not mandatory. Indeed, the features and functions of two or more modules or apparatuses described above may be embodied in one module or apparatus according to embodiments of the present disclosure. Conversely, the features and functions of one module or apparatus described above may be further divided into embodiments by a plurality of modules or apparatuses.

Further, in the present exemplary embodiment, a control method of non-stored pressure fire extinguishing having a multiple injection function is also provided. Referring to fig. 3, the control method includes:

A fire alarm signal generating step S110, detecting temperature and harmful gas concentration signals in the battery box through a fire detector in the battery box to generate fire alarm signals;

A spraying signal generating step S120, receiving and processing the fire alarm signal sent by the battery box detector, generating a spraying signal and sending the spraying signal to a non-pressure storage type fire extinguishing device;

And a fire extinguishing step S130 of receiving the injection signal, injecting the fire extinguishing agent in the non-pressure storage type fire extinguishing apparatus through the fire extinguishing agent nozzle in the battery box, and completing extinguishing of the fire.

In an embodiment of the present example, the method further comprises:

after the fire extinguishing agent is sprayed by the non-pressure storage type fire extinguishing device n, if the fire detector of the battery box receives the fire signal again, the spraying signal is generated again and sent to the non-pressure storage type fire extinguishing device n +1, and the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, so that the fire extinguishment is completed;

After the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the spraying signal is generated again at preset time intervals and is sent to the non-pressure storage type fire extinguishing device n +1, the fire extinguishing agent in the non-pressure storage type fire extinguishing device n +1 is sprayed again through the fire extinguishing agent nozzle in the battery box, and fire extinguishment is completed.

In an embodiment of the present example, the method further comprises:

After the non-pressure storage type fire extinguishing device n sprays the fire extinguishing agent, the fire signal received again by the fire detector of the battery box or two signals with preset time intervals are based on the signal with the front receiving time, and a spraying signal is generated.

In the embodiment of the example, when the situation such as battery runaway or fire disaster occurs in the lithium ion battery box, the controller receives the detector signal, and when the signal level is reached, the controller sends out a first non-pressure storage type fire extinguishing device spraying signal, namely, the fire extinguishing agent is sprayed out and acts on the lithium ion battery box, so that the fire disaster situation in the lithium ion battery box is suppressed. After the first non-pressure-storage type fire extinguishing device finishes spraying, the detector continues to detect the internal condition of the battery box, when the spraying alarm level is reached or the spraying time is 10min (based on the first arrival), the detector sends out a second non-pressure-storage type fire extinguishing device spraying signal, and the fire extinguishing agent is sprayed to act on the internal part of the battery box, so that the temperature of the lithium ion battery in the battery box or the fire danger is continuously inhibited. And by the control logic, continuously triggering the subsequent non-pressure storage type fire extinguishing device until the Nth non-pressure storage type fire extinguishing device (N is more than or equal to 2). Can realize that same pipeline realizes the non-pressure storage formula fire extinguishing systems of multiple injection to same battery box, continuously carry out the conflagration suppression to lithium ion battery box, can effectively prevent only under the condition of once spraying, the inside conflagration condition of suppression lithium ion battery box that can't be fine.

It should be noted that although the various steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that these steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.

Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.