CN218420766U - Fire extinguishing device - Google Patents

Abstract

The utility model provides a fire extinguishing device. The fire extinguishing device is arranged at the top of the cabinet and comprises a fire extinguishing assembly, a storage structure and a spraying structure, the cabinet is positioned outside the cabinet, the storage structure is arranged in the cabinet and used for storing a fire extinguishing agent, and the spraying structure is communicated with the storage structure; the detection assembly is used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or a smoke detection value is greater than or equal to a preset smoke value, the spraying part sprays the fire extinguishing agent; or the detection assembly is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the detection assembly is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying part sprays the fire extinguishing agent. The utility model discloses the lower problem of the installation degree of difficulty is great, the use universality of the extinguishing device among the prior art has been solved effectively.

Description

Fire extinguishing device

Technical Field

The utility model relates to a fire extinguishing apparatus technical field particularly, relates to a fire extinguishing apparatus.

Background

At present, the fire extinguishing apparatus for the cabinet needs to be installed inside the cabinet to extinguish the fire in the cabinet by spraying the fire extinguishing agent through the fire extinguishing apparatus. In the prior art, the installation of fire extinguishing apparatus for cabinets is generally divided into the following two cases:

1. when the space of the U position of the cabinet is sufficient

The fire extinguishing device is installed in a rack type and is directly installed in the U-position space of the cabinet. However, the installation method is limited by the size of the U-space, and the fire extinguishing apparatus is less widely used.

2. When the space of the U position of the cabinet is insufficient

The fire extinguishing device adopts suspended heptafluoropropane, the suspended heptafluoropropane is hung at the top in the cabinet, and the fire detection pipe medicament bottle is arranged outside or inside the cabinet. However, in the installation mode, the suspended heptafluoropropane has a large volume, occupies the space of a cold and hot channel of the cabinet, affects the operation and maintenance of equipment in the cabinet and is not beautiful; fire detection pipe medicament bottles arranged outside the cabinets need to be placed in a centralized manner when the cabinets are placed side by side, the pipe running distance is long, and the installation is complex; the fire detection pipe medicament bottle arranged on the inner side of the cabinet influences the operation and maintenance of equipment in the cabinet, and the arrangement of the fire detection pipe in the cabinet is complex and needs on-site pressurization, so that the installation and maintenance difficulty is high.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a fire extinguishing apparatus to solve the problem that the installation degree of difficulty of the fire extinguishing apparatus among the prior art is great, the use universality is less and can effectively prevent to miss and spout.

In order to realize the above purpose, the utility model provides a fire extinguishing apparatus sets up at the top of rack, and fire extinguishing apparatus includes: the fire extinguishing assembly comprises a machine shell, a storage structure and a spraying structure, wherein the machine shell is positioned outside the machine cabinet, the storage structure is arranged in the machine shell and used for storing a fire extinguishing agent, and the spraying structure is communicated with the storage structure; the spraying structure comprises a spraying part, and the spraying part is positioned in the cabinet so as to spray the fire extinguishing agent stored in the storage structure into the cabinet through the spraying part; the detection assembly is arranged on the fire extinguishing assembly, and at least part of the detection assembly extends into the cabinet; the detection assembly is used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value, the spraying part sprays the fire extinguishing agent; or the detection assembly is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the detection assembly is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying part is enabled to spray the fire extinguishing agent.

Further, the injection structure further includes: the base is provided with a first mounting hole, a second mounting hole and a liquid inlet, the liquid inlet is communicated with the storage structure, and the liquid inlet is communicated with the second mounting hole through the first mounting hole; a valve core; the valve core is movably arranged in the first mounting hole and is abutted against the temperature sensing structure so as to open or block the liquid inlet; wherein the second mounting hole is a spraying part; or the spraying part is arranged in the second mounting hole; when the surface temperature of the temperature sensing structure is greater than or equal to a second preset temperature value, the temperature sensing structure bursts to enable the valve core to open the liquid inlet, and the fire extinguishing agent in the storage structure is discharged through the liquid inlet and the spraying part in sequence.

Further, the second mounting hole is a spraying portion, and the second mounting hole is a tapered hole, and the inner diameter of the tapered hole gradually increases along the flow direction of the fire extinguishing agent in the tapered hole.

Further, the injection part is provided in the second mounting hole, and the injection part includes: a housing; the core body is arranged in the shell, the outer surface of the core body is provided with a plurality of inclined concave portions, a mist outlet channel is formed between each inclined concave portion and the inner surface of the shell, and the mist outlet channel is communicated with the second mounting hole.

Further, the inclined recess is an inclined groove or a spiral groove.

Furthermore, at least part of the base penetrates through the mounting through hole of the cabinet, so that the injection part extends into the cabinet; the fire extinguishing apparatus further includes: the sealing element is arranged between the base and the mounting through hole; and/or the pressure detection device is arranged in the storage structure and used for detecting the air pressure value in the storage structure so as to obtain the running state of the fire extinguishing device according to the air pressure detection value of the pressure detection device; wherein, if the pressure detection value of the pressure detection device gradually reduces, the fire extinguishing device is judged to be in a fire extinguishing state.

Further, the detection assembly includes: the temperature detection device is arranged on the shell and used for detecting the temperature in the environment where the fire extinguishing device is located; and/or the smoke detection device is arranged on the shell and used for detecting the smoke value in the environment where the fire extinguishing device is located.

Further, the subassembly of putting out a fire still includes the circuit board, and detection subassembly still includes: the first interface is arranged on the shell and electrically connected with the circuit board, and the first interface is used for accessing an external temperature detection device; and/or the second interface is arranged on the shell and electrically connected with the circuit board, and the second interface is used for accessing an external smoke detection device; and/or a third interface which is arranged on the shell and electrically connected with the circuit board, wherein the third interface is used for accessing a signal wire; the signal wire is used for transmitting cabinet voltage abnormal signals, combustible gas concentration, pyroelectric particle quantity, infrared optical values, ultraviolet optical values, voltage values, current values, residual current values and battery internal resistance values.

Further, the spraying structure is arranged on the outer surface of the machine shell and is positioned below the machine shell; and/or, the fire extinguishing apparatus further comprises: the adjusting device is connected with the spraying structure and is used for controlling the spraying state of the spraying part and/or the spraying parameters of the spraying part; the injection parameters comprise injection quantity and injection speed; the control module is connected with the adjusting device and the detection assembly; wherein, the control module controls the spraying part to spray the fire extinguishing agent through the adjusting device.

Further, the fire extinguishing apparatus further includes: the buzzer is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or in a preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the buzzer sounds; and/or the LED lamp is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or in a preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the LED lamp flickers, or is turned on or turned off; and/or the display device is arranged on the shell and electrically connected with the detection assembly so as to display the detection value of the detection assembly; and/or the storage battery supplies power to the detection assembly; and the switch structure is electrically connected with the storage battery and used for controlling the power supply state of the storage battery.

Use the technical scheme of the utility model, extinguishing device sets up at the top of rack, and extinguishing device is including putting out a fire subassembly and determine module. The fire extinguishing device comprises a fire extinguishing assembly, a detection assembly, a storage structure and a spraying structure, wherein the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into a cabinet to detect a temperature value and/or a smoke value in the cabinet, the fire extinguishing assembly comprises a casing, the storage structure and the spraying structure, the storage structure is arranged in the casing and is used for storing a fire extinguishing agent, the spraying structure is communicated with the storage structure, and a spraying part of the spraying structure is positioned in the cabinet to spray the fire extinguishing agent in the storage structure into the cabinet; the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into the cabinet to be used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is larger than or equal to a first preset temperature value and/or a smoke detection value is larger than or equal to a preset smoke value, the spraying part sprays a fire extinguishing agent; or the detection assembly is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the detection assembly is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying part sprays the fire extinguishing agent to extinguish fire in the cabinet body. Like this, install extinguishing device at the top of rack and be located outside the rack to the fire condition to taking place in the rack carries out the protection of putting out a fire, need not additionally to install the frame, and then has reduced extinguishing device and has taken the installation space of rack and make extinguishing device's mounted position no longer be subject to the inside space size of rack, has solved that extinguishing device's among the prior art the installation degree of difficulty is great, the less problem of use universality just can effectively prevent the mistake and spout. Simultaneously, make extinguishing device can start as early as possible at the initial stage of starting a fire through determine module to avoid the condition of a fire to stretch, promoted extinguishing device's the reliability of putting out a fire.

Compare with extinguishing device's among the prior art mounted position and concrete structure, the extinguishing device of this application need not external spare part and integral erection in the top of rack, not only makes extinguishing device no longer be subject to the inside space size of rack, has promoted extinguishing device's use universality, has also reduced staff's the installation degree of difficulty.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a front view of an embodiment of a fire extinguishing apparatus according to the invention;

FIG. 2 shows a side view of the fire suppression apparatus of FIG. 1;

FIG. 3 shows a cross-sectional view of the spray configuration of the fire suppression apparatus of FIG. 1;

fig. 4 shows a cross-sectional view of the injection part of the injection structure in fig. 3.

Wherein the figures include the following reference numerals:

10. a machine base; 11. a first mounting hole; 111. a third bore section; 112. a fourth bore section; 113. a fifth bore section; 12. a second mounting hole; 13. a liquid inlet; 20. a mounting frame; 30. a temperature sensing structure; 40. a valve core; 50. an elastic structure; 60. an injection section; 61. a housing; 62. a core body; 621. an inclined recess; 63. a mist outlet channel; 70. a first seal structure; 80. a second seal structure; 90. a third seal structure; 100. a fourth seal structure; 300. a spray structure; 400. a casing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally directed to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the installation degree of difficulty of extinguishing device among the prior art is great, the use universality is lower and can effectively prevent to spout by mistake, this application provides an extinguishing device.

As shown in fig. 1 to 3, the fire extinguishing apparatus is disposed at the top of the cabinet, the fire extinguishing apparatus includes a fire extinguishing module and a detecting module, the fire extinguishing module includes a casing 400, a storage structure and a spraying structure 300, the casing 400 is located outside the cabinet, the storage structure is disposed in the casing 400 and is used for storing fire extinguishing agent, and the spraying structure 300 is communicated with the storage structure; the spraying structure 300 includes a spraying part 60, and the spraying part 60 is located in the cabinet to spray the fire extinguishing agent stored in the storage structure into the cabinet through the spraying part 60. Detection component sets up on fire extinguishing components, and detection component's at least part stretches into in the rack. The detection assembly is used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is larger than or equal to a first preset temperature value and/or the smoke detection value is larger than or equal to a preset smoke value, the injection part 60 is enabled to inject the fire extinguishing agent; or, the detection assembly is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the detection assembly is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying portion 60 is enabled to spray the fire extinguishing agent.

Use the technical scheme of this embodiment, extinguishing device sets up the top at the rack, and extinguishing device is including fire extinguishing components and determine module. The fire extinguishing device comprises a detection assembly, a storage structure and a spraying structure 300, wherein the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into a cabinet to detect a temperature value and/or a smoke value in the cabinet, the fire extinguishing assembly comprises a machine shell 400, the storage structure is arranged in the machine shell 400 and used for storing a fire extinguishing agent, the spraying structure 300 is communicated with the storage structure, and a spraying part 60 of the spraying structure 300 is positioned in the cabinet to spray the fire extinguishing agent in the storage structure into the cabinet; the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into the cabinet to be used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is larger than or equal to a first preset temperature value and/or a smoke detection value is larger than or equal to a preset smoke value, the injection part 60 is enabled to inject a fire extinguishing agent; or, the detection component is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying part 60 is enabled to spray a fire extinguishing agent so as to extinguish fire in the cabinet body. Like this, install extinguishing device at the top of rack and be located outside the rack to the fire condition to taking place in the rack carries out the protection of putting out a fire, need not additionally to install the frame, and then has reduced extinguishing device and has taken the installation space of rack and make extinguishing device's mounted position no longer be subject to the inside space size of rack, has solved that extinguishing device's among the prior art the installation degree of difficulty is great, the less problem of use universality just can effectively prevent the mistake and spout. Simultaneously, make extinguishing device can start as early as possible at the initial stage of a fire through determine module to avoid the condition of a fire to stretch, promoted extinguishing device's the reliability of putting out a fire.

Compare with extinguishing device's among the prior art mounted position and concrete structure, extinguishing device in this embodiment need not external spare part and whole installation in the top of rack, not only makes extinguishing device no longer be subject to the inside space size of rack, has promoted extinguishing device's use universality, has also reduced staff's the installation degree of difficulty.

In this embodiment, the spraying structure 300 is disposed on the cabinet 400 and below the cabinet 400, so that the fire extinguishing apparatus is of a ceiling-mounted structure.

Optionally, the fire extinguishing agent is perfluorohexanone or heptafluoropropane, so that the fire extinguishing agent can be gasified quickly after being sprayed out, fire extinguishing can be realized when certain gas concentration is reached, and heat is absorbed in the gasification process.

As shown in fig. 3, the injection structure 300 further includes a base 10, a valve core 40 and a temperature sensing structure 30, the base 10 has a first mounting hole 11, a second mounting hole 12 and a liquid inlet 13, the liquid inlet 13 is communicated with the storage structure, and the liquid inlet 13 is communicated with the second mounting hole 12 through the first mounting hole 11. The valve core 40 is movably disposed in the first mounting hole 11 and abuts against the temperature sensing structure 30 to open or close the liquid inlet 13. Like this, when the surface temperature of temperature sensing structure 30 is greater than or equal to the preset temperature value, judge that conflagration breaks out and temperature sensing structure 30 bursts to make case 40 open inlet 13, discharge after fire extinguishing agent loops through inlet 13, first mounting hole 11, second mounting hole 12, with put out a fire to putting out a fire in the rack, above-mentioned setting has realized the function of opening certainly of injection structure 300 through temperature sensing structure 30, so that opening of injection structure 300 is simpler and more convenient, easy.

Alternatively, the second mounting hole 12 is the injection part 60; alternatively, the injection part 60 is provided in the second mounting hole 12; when the surface temperature of the temperature sensing structure 30 is greater than or equal to the second preset temperature value, the temperature sensing structure 30 bursts to open the liquid inlet 13 through the valve core 40, and the fire extinguishing agent in the storage structure is discharged through the liquid inlet 13 and the spraying part 60 in sequence. Like this, above-mentioned setting makes the realization mode of injection portion 60 more nimble, various to satisfy different user demand and operating mode, also promoted staff's processing flexibility.

Specifically, the first mounting hole 11 includes a third hole section 111, a fourth hole section 112, and a fifth hole section 113. A limiting step is formed between the fourth hole section 112 and the third hole section 111, the elastic structure 50 is arranged in the fourth hole section 112, and the limiting step is used for limiting and stopping the elastic structure 50. The third hole section 111 is communicated with a fifth hole section 113 through a fourth hole section 112, and the aperture of the fifth hole section 113 is larger than that of the fourth hole section 112 and is communicated with the second mounting hole 12. Wherein, the end of the third hole section 111 far away from the fourth hole section 112 is a liquid inlet 13, and the valve core 40 is movably arranged in the fifth hole section 113 and at least part of the fourth hole section 112. Thus, the cross-sectional area of the fifth hole section 113 is larger than that of the third hole section 111, so that the fire extinguishing agent is prevented from being blocked in the fire extinguishing nozzle to affect the normal use of the fire extinguishing nozzle, and the fire extinguishing agent can smoothly flow in the fire extinguishing nozzle.

Optionally, the resilient structure 50 is a spring. Specifically, one end of the spring abuts against the limit step limit stop, and the other end of the spring abuts against the valve core 40.

In this embodiment, the third hole section 111 is a constant diameter hole, so as to increase the spraying flow of the fire-extinguishing nozzle, and the fire-extinguishing agent can be sprayed quickly.

In the present embodiment, the temperature sensing structure 30 is a temperature sensing glass ball.

In this embodiment, injection structure 300 adopts closed shower nozzle structure, has the atomizing function and realizes quick release simultaneously, and compact structure, small and exquisite, both had been applicable to the gaseous extinguishing device of haloalkane, also was applicable to closed water smoke extinguishing device.

It should be noted that the type of the temperature sensing structure 30 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the temperature sensing structure 30 is a fusible alloy temperature sensing start element.

As shown in fig. 3 and 4, the injection part 60 is disposed in the second mounting hole 12, the injection part 60 includes a housing 61 and a wick 62, the wick 62 is disposed in the housing 61, an outer surface of the wick 62 has a plurality of inclined recesses 621, a mist outlet passage 63 is formed between each inclined recess 621 and an inner surface of the housing 61, and the mist outlet passage 63 communicates with the second mounting hole 12. Thus, the coolant flowing out through the first mounting holes 11 can flow into the respective mist outlet passages 63 evenly, so that the spraying portion 60 can spray the mist-state, gaseous fire extinguishing agent without evaporation and gasification in the ambient air, thereby shortening the time required for fire extinguishing and further reducing the loss due to fire. Meanwhile, the structure of the injection part 60 is simpler and is easy to process due to the arrangement, and the processing difficulty of workers is reduced.

In this embodiment, the injection structure 300 further includes a mounting bracket 20. Wherein, the mounting bracket 20 is arranged on the machine base 10 and forms a mounting cavity with the machine base 10. The temperature sensing structure 30 is disposed within the mounting cavity. The outer surface of the mounting bracket 20 has external threads, and the inner surface of the housing 10 has internal threads, which are screw-engaged with the external threads to connect the mounting bracket 20 and the housing 10. Thus, the detachable connection between the base 10 and the mounting frame 20 is realized by the arrangement, so that the injection structure 300 is easier and simpler to disassemble and assemble, and the operation difficulty of workers is reduced.

Specifically, when the mounting bracket 20 needs to be installed in the base 10, the mounting bracket 20 is screwed in a clockwise or counterclockwise direction, so that the mounting bracket 20 is screwed into the base 10 until the installation is completed; when it is required to remove the mounting bracket 20 from the housing 10, the mounting bracket 20 is screwed in a counterclockwise or clockwise direction to unscrew the mounting bracket 20 from the housing 10 until the two are separated.

Optionally, a plurality of inclined recesses 621 are provided at intervals in the circumferential and/or axial direction of the core 62; both ends of each inclined recess 621 extend to both ends of core 62. Like this, above-mentioned setting makes a plurality of inclined concave part 621 arrange the mode more diversified, nimble to satisfy different user demand and operating mode, also promoted staff's processing flexibility. At the same time, the above arrangement ensures smooth discharge of the fire extinguishing agent through the mist outlet passage 63, while avoiding occurrence of clogging in the spraying portion 60 to affect normal use and fire extinguishing efficiency of the spraying structure 300.

In the present embodiment, the plurality of inclined recesses 621 are provided at intervals in the circumferential direction of the core 62, so that the structure of the core 62 is simpler, and the processing and implementation are easy, and the processing cost of the injection structure 300 is reduced.

Alternatively, the inclined recess 621 is an inclined groove or a spiral groove. Like this, above-mentioned setting makes inclined concave part 621's structure more diversified, nimble to satisfy different user demand and operating mode, also promoted staff's processing flexibility. Meanwhile, the arrangement increases the path of the fire extinguishing agent in the mist outlet channel 63, so that the fire extinguishing agent is sufficiently atomized and gasified, and the fire extinguishing efficiency of the spraying part 60 is further improved.

In other embodiments not shown in the drawings, the second mounting hole is a spraying portion, and the second mounting hole is a tapered hole having an inner diameter gradually increasing along a flow direction of the fire extinguishing agent inside the tapered hole. Thus, the injection part is formed by the second mounting hole of the base, so that the structure of the injection part is simpler, the processing and the realization are easy, and the processing cost of the injection part is reduced. Meanwhile, the coolant is sprayed out along the conical hole wall, so that the spraying range of the coolant is enlarged, and the fire extinguishing reliability of the fire extinguishing device is improved.

In this embodiment, at least a portion of the housing 10 is disposed through the mounting hole of the cabinet, so that the injection part 60 extends into the cabinet. The fire extinguishing apparatus further includes a sealing member disposed between the housing 10 and the installation through-hole. Therefore, on one hand, the arrangement enables the spraying part 60 to spray the fire extinguishing agent into the cabinet to extinguish the fire in the cabinet, and the fire extinguishing protection function of the fire extinguishing device on the cabinet is realized; on the other hand, the connection between the spraying part 60 and the cabinet is sealed by a sealing member, so that the fire extinguishing efficiency of the fire extinguishing nozzle is prevented from being influenced by the leakage of the fire extinguishing agent.

Optionally, the seal is a gasket.

Optionally, the fire extinguishing apparatus further comprises a pressure detection device, the pressure detection device is arranged in the storage structure and is used for detecting the air pressure value in the storage structure so as to obtain the operation state of the fire extinguishing apparatus according to the air pressure detection value of the pressure detection device; and if the pressure detection value of the pressure detection device is gradually reduced, judging that the fire extinguishing equipment is in a fire extinguishing state. Therefore, the pressure detection device is used for detecting the pressure in the storage structure, and on one hand, a worker can judge the storage amount of the fire extinguishing agent in the storage structure through the detection value of the pressure detection device so as to supplement the fire extinguishing agent in time and avoid the failure of the fire extinguishing equipment caused by too little fire extinguishing agent; on the other hand can confirm fire extinguishing apparatus's operating condition through the pressure change condition to remind the staff.

Optionally, the detection assembly comprises a temperature detection device and/or a smoke detection device, the temperature detection device is arranged on the casing 400 for detecting the temperature in the environment where the fire extinguishing apparatus is located; and/or a smoke detection device disposed on the casing 400 for detecting a smoke value in an environment where the fire extinguishing device is located. Like this, above-mentioned setting is passed through temperature-detecting device and/or flue gas detection device on the one hand and is detected temperature and/or flue gas value in the environment that extinguishing device is located, and extinguishing device can start according to temperature value and/or flue gas value, perhaps starts according to temperature difference value and/or flue gas difference value to make extinguishing device just can start as early as possible at the initial stage of starting a fire, in order to avoid the intensity of a fire to stretch, and then solved the slower problem of extinguishing device's among the prior art starting speed, reduced the loss that brings on a fire.

In this embodiment, determine module includes temperature-detecting device and flue gas detection device to detect temperature and flue gas value in the environment that extinguishing device is located, and then promoted extinguishing device to the detection accuracy of condition of a fire, avoid extinguishing device mistake to touch and lead to extinguishing agent extravagant.

Specifically, in a preset time period, when the temperature change rate detected by the temperature detection device is greater than or equal to a preset temperature change rate and/or the smoke change rate detected by the smoke detection device is greater than or equal to a preset smoke change rate, the spraying structure sprays the fire extinguishing agent to extinguish fire in the cabinet body. Like this, extinguishing device can start according to temperature value and/or flue gas value, perhaps starts according to temperature difference value and/or flue gas difference value to make extinguishing device just can start as early as possible at the initial stage of starting a fire, in order to avoid the intensity of a fire to stretch, and then solved the slower problem of extinguishing device's the start speed among the prior art, reduced the loss that brings on a fire.

It should be noted that, the starting mode of the fire extinguishing device is not limited to this, and can be adjusted according to the working condition and the use requirement. In other embodiments not shown in the drawings, the spraying structure is used for spraying the fire extinguishing agent when the temperature detection value of the temperature detection device is greater than or equal to a first preset temperature value and/or the smoke detection value of the smoke detection device is greater than or equal to a preset smoke value. Specifically, temperature-detecting device and flue gas detection device all set up on the casing, detect temperature and flue gas value in the environment that extinguishing device locates respectively, and when temperature-detecting device's temperature detection value more than or equal to first preset temperature value and/or flue gas detection value more than or equal to of flue gas detection device predetermine the flue gas value, the injection structure sprays fire extinguishing agent to put out a fire to the internal of cabinet. Like this, extinguishing device not only can start according to temperature value and/or flue gas value, can also start according to temperature difference value and/or flue gas difference value to make extinguishing device just can start as early as possible at the initial stage of starting a fire, in order to avoid the intensity of a fire to stretch, and then solved extinguishing device's among the prior art the slow problem of start-up speed, reduced the loss that brings on a fire.

Optionally, the temperature detection device is a temperature sensor.

Optionally, the smoke detection device is a smoke sensor.

Optionally, the fire suppression assembly further comprises a circuit board, and the detection assembly further comprises a first interface and/or a second interface. The first interface is disposed on the casing 400 and electrically connected to the circuit board, and the first interface is used for connecting to an external temperature detection device. The second interface is arranged on the casing 400 and electrically connected with the circuit board, and the second interface is used for connecting an external smoke detection device. Therefore, the fire extinguishing equipment can be externally connected with the temperature detection device and the smoke detection device, on one hand, the arrangement positions of the temperature detection device and the smoke detection device are more flexible, and then the temperature or smoke at each position in the cabinet body can be detected, so that the accuracy of the fire extinguishing equipment in judging the fire condition is improved; on the other hand, the universality of the fire extinguishing equipment is improved.

Specifically, external temperature-detecting device and external flue gas detection device's detected signal transmits to the circuit board earlier, and the detected information transmits to control module after circuit board analysis, processing to make control module can send control command according to detected information, and then promoted fire extinguishing apparatus's intelligent degree.

Optionally, the fire extinguishing apparatus further includes a third interface disposed on the housing 400 and electrically connected to the circuit board, the third interface being used for accessing a signal line. The signal wire is used for transmitting cabinet voltage abnormal signals, combustible gas concentration, pyroelectric particle quantity, infrared optical values, ultraviolet optical values, voltage values, current values, residual current values and battery internal resistance values.

Specifically, when the concentration of the combustible gas reaches a preset threshold value or the rate of change in the concentration of the combustible gas reaches a preset value, the injection portion 60 is controlled to inject the fire extinguishing agent.

Specifically, when the fire extinguishing apparatus receives the transmission cabinet voltage abnormality signal, the spraying portion 60 is controlled to spray the fire extinguishing agent.

Specifically, the injection portion 60 is controlled to inject the fire extinguishing agent when the amount of the pyroelectric particles reaches a preset threshold value or the rate of change in the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the infrared optical value reaches a preset threshold value or the change rate of the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the ultraviolet optical value reaches a preset threshold value or the variation rate of the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the voltage value reaches a preset threshold value or the rate of change in the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the current value reaches a preset threshold value or the variation rate of the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the remaining current value reaches a preset threshold value or the rate of change in the combustible gas concentration value reaches a preset value.

Specifically, the injection part 60 is controlled to inject the fire extinguishing agent when the battery internal resistance value reaches a preset threshold value or the variation rate of the combustible gas concentration value reaches a preset value.

As shown in fig. 2 and 3, the spray structure 300 is disposed on an outer surface of the cabinet 400 and below the cabinet 400. Therefore, the fire extinguishing device is arranged at the top of the cabinet, so that on one hand, the installation of the fire extinguishing device is simpler and easier to realize, and the installation difficulty of workers is reduced; on the other hand, the spray structure 300 located below the cabinet 400 enables the fire extinguishing agent to flow toward the spray part 60 by its own weight, so as to ensure the smooth flow of the fire extinguishing agent in the fire extinguishing apparatus, and improve the spray reliability of the spray structure 300.

In this embodiment, the fire extinguishing apparatus further comprises an adjusting device and a control module, the adjusting device is connected with the spraying structure 300 for controlling the spraying state of the spraying part 60 and/or the spraying parameters of the spraying part 60; the injection parameters include an injection amount and an injection speed. The control module is connected with the adjusting device and the detection assembly. Wherein the control module controls the spraying part 60 to spray the fire extinguishing agent through the adjusting device. Like this, control module can be according to temperature-detecting device and smoke gas detection device's detected value control adjustment structure, and then adjusts the injection state of injection portion 60 and/or the injection parameter of injection portion 60 through adjusting device to ensure that extinguishing device can put out a fire fast.

Optionally, the adjusting device is an electromagnetic valve, and the control module adjusts the opening of the adjusting device according to detection values of the temperature monitoring device and the smoke detection device so as to avoid that when the fire is small, the opening of the adjusting device is too large, so that the spraying amount of the fire extinguishing agent is too large, the fire extinguishing agent is wasted, or when the fire is large, the opening of the adjusting device is too small, so that the spraying amount of the fire extinguishing agent is too small, the fire extinguishing device cannot extinguish the fire, even the fire spreads, and further the fire extinguishing reliability of the fire extinguishing device is improved; when the fire extinguishing apparatus detects a fire, the temperature sensing structure 30 is heated and burst, but the fire is extinguished, that is, the detection value is smaller than the preset value again or the fire is not detected, and when the temperature sensing structure 30 has burst, the control module controls the adjusting device to be closed, so that the fire extinguishing agent is prevented from being continuously sprayed out through the spraying structure 300, the fire extinguishing agent is wasted, and the use reliability of the fire extinguishing apparatus is further improved.

Optionally, the fire extinguishing device further comprises a buzzer and/or an LED lamp. The buzzer is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or in a preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the buzzer sounds; and/or the LED lamp is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or in a preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the LED lamp flickers, or is turned on or turned off; and/or, a display device disposed on the casing 400, the display device being electrically connected to the detection component to display the detection value of the detection component; and/or the storage battery supplies power to the detection assembly; and the switch structure is electrically connected with the storage battery and is used for controlling the power supply state of the storage battery. Like this, realized extinguishing device's initiative alarm function on the one hand through bee calling organ and/or LED lamp to remind the position at rack place that the staff has been on fire, be convenient for the staff to go to the place of on fire as early as possible, in order to maintain the rack on fire. Simultaneously, above-mentioned setting up makes alarm device's selection more nimble, various to satisfy different operating mode and user demand, also promoted staff's processing flexibility.

In this embodiment, extinguishing device includes bee calling organ and LED lamp to carry out dual warning through light sum sound to the staff, strengthened extinguishing device's alarm effect.

Optionally, the fire suppression sprinkler further comprises a first sealing structure 70, the first sealing structure 70 being disposed between the housing 61 and the second mounting hole 12; and/or, the fire sprinkler further comprises a second sealing structure 80, and the second sealing structure 80 is arranged between the base 10 and the mounting frame 20. Therefore, the joint of the shell 61 and the second mounting hole 12 is sealed through the first sealing structure 70, so that the fire extinguishing efficiency of the fire extinguishing nozzle is prevented from being influenced due to the leakage of the fire extinguishing agent; and/or the joint of the machine base 10 and the mounting frame 20 is sealed by the second sealing structure 80, so as to avoid the fire extinguishing agent leakage from affecting the fire extinguishing efficiency of the fire extinguishing nozzle.

Optionally, the first seal structure 70 is a gasket.

Optionally, the second seal structure 80 is a gasket.

As shown in fig. 3, the valve core 40 has a cylindrical structure, the upper portion of the valve core 40 has a first annular groove in which the third seal structure 90 is disposed, and the lower portion of the valve core 40 has a second annular groove for mounting the fourth seal structure 100. In this way, the third seal structure 90 serves to seal the mating portion of the valve core 40 and the mounting bracket 20, and the fourth seal structure 100 serves to seal the inner circumferential surfaces of the valve core 40 and the fourth bore section 112.

Optionally, the third seal structure 90 is a gasket.

Optionally, the fourth seal structure 100 is a seal ring.

Optionally, the base 10 and the valve core 40 are made of stainless steel 304, 316, etc. to have good compatibility and corrosion resistance to water and halogenated alkane extinguishing agents such as perfluorohexanone, etc.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

extinguishing device sets up at the top of rack, and extinguishing device is including extinguishing components and determine module. The fire extinguishing device comprises a fire extinguishing assembly, a detection assembly, a storage structure and a spraying structure, wherein the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into a cabinet so as to detect a temperature value and/or a smoke value in the cabinet; the detection assembly is arranged on the fire extinguishing assembly, at least part of the detection assembly extends into the cabinet to be used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is larger than or equal to a first preset temperature value and/or a smoke detection value is larger than or equal to a preset smoke value, the spraying part sprays the fire extinguishing agent; or the detection assembly is used for detecting a temperature difference value and/or a smoke difference value in the cabinet within a preset time period, and when the temperature change rate detected by the temperature detection device is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the spraying part sprays the fire extinguishing agent so as to extinguish fire in the cabinet body. Like this, install extinguishing device at the top of rack and be located outside the rack to the fire condition to taking place in the rack carries out the protection of putting out a fire, need not additionally to install the frame, and then has reduced extinguishing device and has taken the installation space of rack and make extinguishing device's mounted position no longer be subject to the inside space size of rack, has solved that extinguishing device's among the prior art the installation degree of difficulty is great, the less problem of use universality just can effectively prevent the mistake and spout. Simultaneously, make extinguishing device can start as early as possible at the initial stage of a fire through determine module to avoid the condition of a fire to stretch, promoted extinguishing device's the reliability of putting out a fire.

Compare with extinguishing device's among the prior art mounted position and concrete structure, the extinguishing device of this application need not external spare part and integral erection in the top of rack, not only makes extinguishing device no longer be subject to the inside space size of rack, has promoted extinguishing device's use universality, has also reduced staff's the installation degree of difficulty.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A fire extinguishing apparatus provided at a top of a cabinet, the fire extinguishing apparatus comprising:

the fire extinguishing assembly comprises a machine shell (400), a storage structure and a spraying structure (300), wherein the machine shell (400) is positioned outside the machine cabinet, the storage structure is arranged in the machine shell (400) and is used for storing fire extinguishing agents, and the spraying structure (300) is communicated with the storage structure; the spraying structure (300) comprises a spraying part (60), and the spraying part (60) is positioned in the cabinet so as to spray the fire extinguishing agent stored in the storage structure into the cabinet through the spraying part (60);

the detection assembly is arranged on the fire extinguishing assembly, and at least part of the detection assembly extends into the cabinet;

the detection assembly is used for detecting a temperature value and/or a smoke value in the cabinet, and when a temperature detection value of the detection assembly is larger than or equal to a first preset temperature value and/or the smoke detection value is larger than or equal to a preset smoke value, the spraying part (60) is enabled to spray extinguishing agent; alternatively, the first and second electrodes may be,

the detection assembly is used for detecting the temperature change rate and/or the smoke change rate in the cabinet within a preset time period, and when the temperature change rate detected by the detection assembly is larger than or equal to the preset temperature change rate and/or the smoke change rate is larger than or equal to the preset smoke change rate, the spraying part (60) sprays the fire extinguishing agent.

2. The fire suppression apparatus according to claim 1, wherein the spray structure (300) further comprises:

the stand (10) is provided with a first mounting hole (11), a second mounting hole (12) and a liquid inlet (13), the liquid inlet (13) is communicated with the storage structure, and the liquid inlet (13) is communicated with the second mounting hole (12) through the first mounting hole (11);

a valve element (40);

the valve core (40) is movably arranged in the first mounting hole (11) and is abutted against the temperature sensing structure (30) so as to open or close the liquid inlet (13);

wherein the second mounting hole (12) is the injection part (60); alternatively, the injection part (60) is provided in the second mounting hole (12); when the surface temperature of the temperature sensing structure (30) is greater than or equal to a second preset temperature value, the temperature sensing structure (30) bursts to enable the valve core (40) to open the liquid inlet (13), and the fire extinguishing agent in the storage structure is discharged through the liquid inlet (13) and the spraying part (60) in sequence.

3. The fire extinguishing apparatus according to claim 2, wherein the second mounting hole (12) is the spraying portion (60), and the second mounting hole (12) is a tapered hole having an inner diameter gradually increasing in a flow direction of the fire extinguishing agent therein.

4. The fire extinguishing apparatus according to claim 2, wherein the injection portion (60) is provided in the second mounting hole (12), the injection portion (60) comprising:

a housing (61);

the core (62) is arranged in the shell (61), the outer surface of the core (62) is provided with a plurality of inclined concave parts (621), a mist outlet channel (63) is formed between each inclined concave part (621) and the inner surface of the shell (61), and the mist outlet channel (63) is communicated with the second mounting hole (12).

5. A fire extinguishing apparatus according to claim 4, wherein the inclined recess (621) is an inclined groove or a spiral groove.

6. Fire extinguishing apparatus according to claim 2, characterized in that at least part of the frame (10) is pierced in a mounting through hole of the cabinet so that the spraying portion (60) protrudes into the cabinet; the fire extinguishing apparatus further includes:

a sealing member disposed between the housing (10) and the mounting through-hole; and/or the presence of a gas in the gas,

the pressure detection device is arranged in the storage structure and used for detecting the air pressure value in the storage structure so as to obtain the running state of the fire extinguishing device according to the air pressure detection value of the pressure detection device; and if the pressure detection value of the pressure detection device is gradually reduced, the fire extinguishing device is judged to be in a fire extinguishing state.

7. The fire suppression apparatus of claim 1, wherein the detection assembly comprises:

a temperature detection device arranged on the housing (400) for detecting the temperature in the environment where the fire extinguishing device is located; and/or the presence of a gas in the gas,

the smoke detection device is arranged on the shell (400) and used for detecting the smoke value in the environment where the fire extinguishing device is located.

8. The fire suppression apparatus of claim 1, wherein the fire suppression assembly further comprises a circuit board, the detection assembly further comprising:

the first interface is arranged on the shell (400) and electrically connected with the circuit board, and the first interface is used for being connected with an external temperature detection device; and/or the presence of a gas in the gas,

the second interface is arranged on the shell (400) and is electrically connected with the circuit board, and the second interface is used for being connected with an external smoke detection device; and/or the presence of a gas in the atmosphere,

the third interface is arranged on the shell (400) and is electrically connected with the circuit board, and the third interface is used for accessing a signal wire; the signal wire is used for transmitting a cabinet voltage abnormal signal, combustible gas concentration, pyroelectric particle quantity, an infrared optical value, an ultraviolet optical value, a voltage value, a current value, a residual current value and a battery internal resistance value.

9. Fire extinguishing apparatus according to claim 1, wherein the spraying structure (300) is arranged on an outer surface of the cabinet (400) below the cabinet (400); and/or, the fire extinguishing apparatus further comprises:

-an adjustment device connected to the injection structure (300) for controlling the injection state of the injection section (60) and/or the injection parameters of the injection section (60); the injection parameters comprise injection quantity and injection speed;

the control module is connected with the adjusting device and the detection assembly;

wherein the control module controls the injection part (60) to inject the fire extinguishing agent through the adjustment device.

10. The fire suppression apparatus of claim 9, further comprising:

the buzzer is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or, in the preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the buzzer sounds; and/or the presence of a gas in the gas,

the LED lamp is connected with the control module, and when the temperature detection value of the detection assembly is greater than or equal to a first preset temperature value and/or the smoke detection value is greater than or equal to a preset smoke value; or, in the preset time period, when the temperature change rate detected by the detection component is greater than or equal to a preset temperature change rate and/or the smoke change rate is greater than or equal to a preset smoke change rate, the LED lamp flickers, or is turned on or turned off; and/or the presence of a gas in the gas,

the display device is arranged on the shell (400) and is electrically connected with the detection component so as to display the detection value of the detection component; and/or the presence of a gas in the gas,

the storage battery supplies power to the detection assembly;

the switch structure is electrically connected with the storage battery and used for controlling the power supply state of the storage battery.

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