CN216798535U - Standard module type heptafluoropropane gas fire extinguishing system - Google Patents
Standard module type heptafluoropropane gas fire extinguishing system Download PDFInfo
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- CN216798535U CN216798535U CN202123179326.XU CN202123179326U CN216798535U CN 216798535 U CN216798535 U CN 216798535U CN 202123179326 U CN202123179326 U CN 202123179326U CN 216798535 U CN216798535 U CN 216798535U
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Abstract
The utility model provides a standard module type heptafluoropropane gas fire extinguishing system which is characterized in that: a gas steel cylinder filled with heptafluoropropane gas is arranged in the standard module box body, the outlet of the gas steel cylinder is connected with an air outlet pipe, an electromagnetic valve is arranged on the air outlet pipe, and the tail end of the air outlet pipe is provided with a fire extinguishing gas spraying port; an air duct is arranged in the standard module box body, the top end of the air duct is a vertical horn-shaped air inlet with the sectional area gradually reduced from top to bottom, the bottom end of the air duct is an air outlet, a fan is arranged on the standard module box body, and the fan corresponds to the horn-shaped air outlet; a smoke sensing probe and a temperature sensing probe are arranged in the air channel; a main control interface board is arranged in the standard module box body, and a main control circuit on the main control interface board is connected with the fan, the smoke sensing probe, the temperature sensing probe, the electromagnetic valve and the fire-fighting host. The utility model saves gas in fire extinguishing, avoids the expansion of damaged surface, and improves the passive detection effect of the smoke-sensitive probe.
Description
Technical Field
The utility model relates to the technical field of machine room cold channel fire protection, in particular to a gas fire extinguishing system used in a data machine room cold channel.
Background
The current situation of a fire fighting system of a computer room at present is as follows: the heptafluoropropane gas submerged fire extinguishing is generally adopted and is divided into a pipe network type fire extinguishing and a pipe network cabinet type fire extinguishing. When fire breaks out in the machine room, the temperature and smoke sensing probes installed in the machine room detect signals, and heptafluoropropane gas is sprayed out by a pipe network or a gas cylinder cabinet to submerge the whole machine room space and block the contact of air and a fire source to achieve the purpose of fire extinguishing. Then assuming the main room is 100 square, the headroom is 2.8 meters for a volume equal to 280 cubic meters (single independent space). To have heptafluoropropane gas produce a fire extinguishing effect in a space of 280 cubic meters, it is simply estimated that about 180Kg of heptafluoropropane gas is required.
With the development of electronic science and technology, new construction concept and application also appear in the construction of computer rooms. The typical cold channel cabinet is used to form 10 to 30 cabinets into a relatively independent space, and a monitoring system, a power distribution system, a wiring system, an air conditioning system, an access control system, a lighting system and the like are arranged in the space. One to N cold channel cabinets or a plurality of spaces reserved for a plurality of cold channel cabinets are arranged in a computer data center to form a computer network data center machine room.
The cold channel cabinet is a relatively independent closed space, and if two groups of cold channel cabinets are arranged in a certain machine room, when equipment of one cold channel cabinet is on fire, the current conventional operation is to give out a fire alarm, cut off a power supply, close a new air outlet and an exhaust outlet, and start fire extinguishing gas to completely submerge a 280-cubic space. All equipment in the room space is powered down whether that point is fired, wasting a lot of gas and causing an unnecessary power down of another set of cold aisle cabinets (which would be a significant loss).
Therefore, the whole area of the fire extinguishing mode of the fire extinguishing system of the computer room in the prior art is flooded with gas, so that a large amount of heptafluoropropane gas is wasted, the whole computer room is powered off, the damage area of accidents is enlarged, and the passive detection reaction of the temperature and smoke sensing probes installed in the computer room is slow.
SUMMERY OF THE UTILITY MODEL
The utility model provides a standard module type heptafluoropropane gas fire extinguishing system, which aims to solve the defects of the prior art, save heptafluoropropane gas in fire extinguishing of a fire extinguishing system of a computer room, avoid expansion of damaged surfaces of accidents and improve the passive detection reaction effect of temperature and smoke sensing probes in the computer room.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a standard module type heptafluoropropane gas fire extinguishing system is characterized in that:
a gas steel cylinder filled with heptafluoropropane gas is arranged in the standard module box body, the outlet of the gas steel cylinder is connected with an air outlet pipe, an electromagnetic valve is arranged on the air outlet pipe, and the tail end of the air outlet pipe is provided with a fire extinguishing gas spraying port;
an air duct is arranged in the standard module box body, the top end of the air duct is a vertical horn-shaped air inlet with the sectional area gradually reduced from top to bottom, the bottom end of the air duct is an air outlet, a fan is arranged on the standard module box body, and the fan corresponds to the horn-shaped air outlet; a smoke sensing probe and a temperature sensing probe are arranged in the air channel;
a main control interface board is arranged in the standard module box body, and a main control circuit on the main control interface board is connected with the fan, the smoke sensing probe, the temperature sensing probe, the electromagnetic valve and the fire-fighting host;
and a battery in the standard module box is connected with the fan, the smoke sensing probe, the temperature sensing probe and the electromagnetic valve and supplies power.
And a manual gas valve is arranged on the gas outlet pipe.
The fire extinguishing gas jet is provided with a panel, and the panel is provided with a heptafluoropropane gas pressure gauge, a work indicator lamp and a heptafluoropropane gas jet in a lattice arrangement through hole form.
The air outlet at the bottom end of the air duct is in a transverse horn shape with gradually increasing sectional area from inside to outside.
The main control circuit on the main control interface board is connected with an external 220VAC power supply through a 220VAC input port, the main control circuit on the main control interface board is connected with a battery through the 220VAC input port, and the battery is a 24V battery.
The utility model has the advantages that:
according to the utility model, as the plurality of independent standard modular heptafluoropropane gas fire extinguishing systems are arranged in the cold channel space, when a fire disaster happens, the corresponding standard modular heptafluoropropane gas fire extinguishing systems can be started to only extinguish the fire in the cold channel space in a submerged manner, and the heptafluoropropane gas is saved in the fire extinguishing of the fire extinguishing system of the computer room. Because the space in each cold channel is provided with the standard modular heptafluoropropane gas fire extinguishing system, which cold channel space is on fire can be known according to the sensors, a main control interface board sends out a fire-fighting linkage signal before the fire extinguishing system is started, only the power supply of the cold channel is cut off in a linkage manner, and the expansion of the damaged surface of an accident is avoided. The active temperature and smoke sensing detection air channel is arranged in the module, the air inlet of the air channel is arranged to be a horn mouth, the maximum aperture is not smaller than twice of the aperture of the air channel, the air outlet of the air channel is provided with a fan, the air flow rate in the air channel is improved through the fan, and the temperature and smoke sensing detection effect is improved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a partial view taken from the direction A of FIG. 1;
FIG. 3 is a block diagram of an active smoke temperature sensing detection channel;
FIG. 4 is a partial view taken from the direction B of FIG. 3;
FIG. 5 is a view taken along line C of FIG. 3;
FIG. 6 is a schematic view of the D-direction structure of FIG. 3;
fig. 7 is a panel diagram of a standard module.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A computer center room typically has 1-N cold aisles. Assuming that one cold aisle consists of 20 cabinets, the volume of the cold aisle is 3200mm × 6000mm × 2100mm — 40.32 cubic meters. If a full flood fire is to be extinguished using heptafluoropropane gas in a space of 40 cubic meters, it is estimated that about 26kg of heptafluoropropane gas is required. Therefore, two to three standard modules are used in one cold channel and are respectively installed on the upper layers of two rows of cabinets in a staggered mode.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7:
two gas steel cylinders 1 containing heptafluoropropane gas are arranged in a standard module box body 14, the outlets of the two gas steel cylinders 1 are connected with an outlet pipe 19, a manual gas valve 11 and an electromagnetic valve 5 are arranged on the outlet pipe 19, the tail end of the outlet pipe 19 is a fire-extinguishing gas outlet 12, a panel 20 shown in figure 7 is arranged on the fire-extinguishing gas outlet 12, a heptafluoropropane gas pressure gauge is arranged on the panel 20 to display the pressure in the gas pipe 19, and 3 working indicator lamps 16 are arranged to display (operation, normal and failure) states and are used for ejecting the heptafluoropropane gas, wherein the heptafluoropropane gas outlet 17 is in a lattice-arranged through hole form and is used for ejecting the heptafluoropropane gas.
An active smoke temperature detection channel is arranged between two gas steel cylinders 1 filled with heptafluoropropane gas, the active smoke temperature detection channel comprises an air channel 10, the top end of the air channel 10 is a vertical horn-shaped air inlet 6 with gradually reduced sectional area from top to bottom, the bottom end of the air channel 10 is a transverse horn-shaped air outlet 18 with gradually increased sectional area from inside to outside, a fan 4 is arranged on a standard module box 14, and the fan 4 corresponds to the horn-shaped air outlet 18. The smoke sensing probe 2 and the temperature sensing probe 3 are arranged in the air duct 10.
A main control interface board 9 is arranged in the standard module box body 14, and a main control circuit on the main control interface board 9 is provided with a 220VAC input port 8, a communication interface and a probe interface 7. The main control circuit on the main control interface board 9 is connected with the fan 4, the smoke detector 2, the temperature detector 3 and the electromagnetic valve 5 in the standard module box 14 through the communication interface and the detector interface 7, and the main control circuit on the main control interface board 9 is connected with the fire-fighting host through the communication interface and the detector interface 7.
The main control circuit on the main control interface board 9 is connected with an external 220VAC power supply through the 220VAC input port 8, and the main control circuit on the main control interface board 9 is connected with a 24V battery 13 arranged in the standard module box 14 through the 220VAC input port 8. The 24V battery 13 is connected with the fan 4, the smoke sensing probe 2, the temperature sensing probe 3, the electromagnetic valve 5 and the work indicator light 16 and supplies power.
The working principle is as follows:
the 220VAC provided from the outside at ordinary times obtains the DC24V fire-fighting power supply through the AC/DC conversion inside the main control interface board 9, and provides the built-in 24V battery 13 for charging.
The active temperature and smoke sensing air duct system improves the air flow rate in the air duct 10 through the fan 4, improves the air content concentration in the air duct 10 through the aperture ratio of the air inlet 6 and the air duct 19, and improves the speed response of the temperature and smoke sensing probe 2 and the temperature sensing probe 3 which are arranged in the air duct 10 for temperature and smoke sensing detection. When a fire disaster occurs, the smoke-sensitive probe 2 firstly obtains a signal, the signal is sent to a main control circuit on a main control interface board 9 through a communication interface and a probe interface 7, a fire alarm signal is sent to a fire-fighting host machine after being judged by the main control circuit, video monitoring can be installed in a cold channel cabinet, if the fire-fighting host machine can be directly checked by people on duty, the signal can be detected if the temperature-sensitive probe 3 is connected with the heat-sensitive probe on unattended operation, the signal is sent to the main control circuit on the main control interface board 9 through the communication interface and the probe interface 7, a secondary alarm signal is sent to the fire-fighting host machine, the fire-fighting host machine starts fire-fighting linkage, the fire-fighting linkage can close all power supplies of the cold channel of the group, a ventilation system and an entrance guard of the whole machine room are closed through the fire-fighting host machine, the fire-fighting system is started to enter X seconds to time, and the warning system is started. When the countdown is finished, a main control circuit on a main control interface board 9 in the module sends a signal through a communication interface and a probe interface 7 to open the electromagnetic valve 5, and heptafluoropropane gas in the gas steel cylinder 1 passes through the gas pipe 19 and is sprayed from a fire extinguishing gas spraying port 12 and a heptafluoropropane gas spraying port 17 to extinguish fire.
The program of the fire-fighting host can be set by the prior art.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. A standard module formula heptafluoropropane gas fire extinguishing systems which characterized in that: a gas steel cylinder filled with heptafluoropropane gas is arranged in the standard module box body, the outlet of the gas steel cylinder is connected with an air outlet pipe, an electromagnetic valve is arranged on the air outlet pipe, and the tail end of the air outlet pipe is provided with a fire extinguishing gas spraying port; an air duct is arranged in the standard module box body, the top end of the air duct is a vertical horn-shaped air inlet with the sectional area gradually reduced from top to bottom, the bottom end of the air duct is an air outlet, a fan is arranged on the standard module box body, and the fan corresponds to the horn-shaped air outlet; a smoke sensing probe and a temperature sensing probe are arranged in the air duct; a main control interface board is arranged in the standard module box body, and a main control circuit on the main control interface board is connected with the fan, the smoke sensing probe, the temperature sensing probe, the electromagnetic valve and the fire-fighting host; and a battery in the standard module box is connected with the fan, the smoke sensing probe, the temperature sensing probe and the electromagnetic valve and supplies power.
2. A standard modular heptafluoropropane gas fire extinguishing system as claimed in claim 1, wherein: and a manual gas valve is arranged on the gas outlet pipe.
3. A standard modular heptafluoropropane gas fire extinguishing system as claimed in claim 1, wherein: the fire extinguishing gas jet is provided with a panel, and the panel is provided with a heptafluoropropane gas pressure gauge, a work indicator lamp and a heptafluoropropane gas jet in a lattice arrangement through hole form.
4. A standard modular heptafluoropropane gas fire extinguishing system as claimed in claim 1, wherein: the air outlet at the bottom end of the air duct is in a transverse horn shape with gradually increasing sectional area from inside to outside.
5. A standard modular heptafluoropropane gas fire extinguishing system as claimed in claim 1, wherein: the main control circuit on the main control interface board is connected with an external 220VAC power supply through a 220VAC input port, the main control circuit on the main control interface board is connected with a battery through the 220VAC input port, and the battery is a 24V battery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123179326.XU CN216798535U (en) | 2021-12-17 | 2021-12-17 | Standard module type heptafluoropropane gas fire extinguishing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123179326.XU CN216798535U (en) | 2021-12-17 | 2021-12-17 | Standard module type heptafluoropropane gas fire extinguishing system |
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CN216798535U true CN216798535U (en) | 2022-06-24 |
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CN202123179326.XU Active CN216798535U (en) | 2021-12-17 | 2021-12-17 | Standard module type heptafluoropropane gas fire extinguishing system |
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2021
- 2021-12-17 CN CN202123179326.XU patent/CN216798535U/en active Active
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