CN210845060U - Novel fire detection and fire extinguishing device - Google Patents
Novel fire detection and fire extinguishing device Download PDFInfo
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- CN210845060U CN210845060U CN201921654272.8U CN201921654272U CN210845060U CN 210845060 U CN210845060 U CN 210845060U CN 201921654272 U CN201921654272 U CN 201921654272U CN 210845060 U CN210845060 U CN 210845060U
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Abstract
The utility model relates to a novel fire detection and fire extinguishing device. The device includes: the device comprises a power supply module, an ultraviolet detector, a control unit and a fire extinguishing system; the power supply module is used for supplying power to the ultraviolet detector; the ultraviolet detector comprises an ultraviolet sensor and a processing circuit, wherein the ultraviolet sensor is used for detecting the heat radiation of flame and transmitting a sensing signal to the processing circuit; the processing circuit is used for analyzing and processing the sensing signal, generating a control signal and transmitting the control signal to the control unit; the control unit is used for converting the control signal into a starting signal and transmitting the starting signal to the fire extinguishing system, so that the fire extinguishing system is triggered to perform fire extinguishing action. The utility model discloses compare in traditional detection and extinguishing device, adopt ultraviolet detection and fire extinguishing systems to combine the novel conflagration detection and the extinguishing device that form, can survey the conflagration fast and take place and can start extinguishing device rapidly, realize putting out a fire to ultraviolet sensor can respond to the heat radiation that flame sent, avoids the wrong report of sunlight and artificial light source.
Description
Technical Field
The utility model relates to a fire control technical field, concretely relates to novel fire detection and fire extinguishing device.
Background
In various disasters, the fire disaster has the highest frequency, the damage caused by the fire disaster is huge, and the casualties and the property loss are caused. With the development of science and technology, electric energy is widely developed and utilized, and the number of electric fires is rapidly increasing. The electrical fire includes a fire caused by a short circuit, a leakage fire, an overload fire, and a contact resistance-excessive fire. For unmanned, relatively closed and space-complex places such as a generator room, a battery box of an electric bus, a transformation and distribution room and the like, a device capable of quickly detecting fire occurrence and quickly making a fire extinguishing response is needed.
The ultraviolet detector of the existing detector for quickly detecting fire mainly adopts an ultraviolet photosensitive tube and a photon detection means, and has the detection capability of a tiny signal. When the light wave radiated from the flame reaches the cathode plate of the photoelectric tube, the electrons of the cathode flow, when the electrons flow to the anode and start to accelerate, the ultraviolet photosensitive tube discharges, and the electrons are transmitted to the signal processing module through the high-voltage driving circuit, the fire extinguishing circuit and the noise filter, so that the alarm indication is generated.
The detector using the ultraviolet light sensitive tube has a detection capability of a tiny signal, but is easily interfered by other light sources. And the ultraviolet rays emitted by the flame cannot be continuously and effectively detected, so that the method is mainly used for quantitative detection of the flame and has limitation on detection of fire. Meanwhile, the ultraviolet photosensitive tube has large volume and high price.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a novel conflagration is surveyed and is put out a fire device.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a novel fire detection device comprising: the device comprises a power supply module, an ultraviolet detector and a control unit;
the power supply module is used for supplying power to the ultraviolet detector;
the ultraviolet detector comprises an ultraviolet sensor and a processing circuit, wherein the ultraviolet sensor is used for detecting the heat radiation of flame and transmitting a sensing signal to the processing circuit, and the processing circuit is used for analyzing and processing the sensing signal, generating a control signal and transmitting the control signal to the control unit;
the control unit is used for converting the control signal into a starting signal and transmitting the starting signal to a fire extinguishing system, so that the fire extinguishing system is triggered to perform fire extinguishing action.
The utility model has the advantages that: the ultraviolet detector in the fire detection device adopts the ultraviolet sensor, can continuously and effectively detect the heat radiation emitted by flame, and can avoid misinformation caused by interference of sunlight, artificial light sources and the like.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the ultraviolet sensor adopts a light guide detector.
The further scheme has the advantages that the photoelectron gain inside the photoconductive sensor is higher, and under the same ultraviolet light irradiation, the photoelectric sensor can generate a response current which is much larger than that of a photovoltaic detector.
The utility model also provides a fire extinguishing apparatus, including foretell a novel fire detection device and fire extinguishing systems.
Further, the control unit is connected with a gas generator in the fire extinguishing system.
The beneficial effect of adopting above-mentioned further scheme is that, after gas generator received the start signal that the control unit sent, can establish pressure in airtight space fast, promote the piston in the extinguishing device and spout out fire extinguishing agent.
Further, the fire extinguishing system adopts a non-pressure storage type fire extinguishing system.
Further, the fire extinguishing system adopts a perfluorohexanone fire extinguishing agent.
Adopt above-mentioned further scheme's beneficial effect to fill in the fire extinguishing systems simply, no storage pressure's danger, no impurity remains after putting out a fire, can not cause the harm to electrical equipment.
Drawings
Fig. 1 is a connecting structure diagram of a novel fire detection and extinguishing device provided by an embodiment of the invention;
fig. 2 is a circuit diagram of an ultraviolet detector according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Fig. 1 is a connection structure diagram of a novel fire detection and fire extinguishing apparatus provided by an embodiment of the present invention, as shown in fig. 1, the apparatus includes: the device comprises a power supply module, an ultraviolet detector, a control unit and a fire extinguishing system;
the power supply module is used for supplying power to the ultraviolet detector;
the ultraviolet detector comprises an ultraviolet sensor and a processing circuit, wherein the ultraviolet sensor is used for detecting the heat radiation of flame and transmitting a sensing signal to the processing circuit, and the processing circuit is used for analyzing and processing the sensing signal, generating a control signal and transmitting the control signal to the control unit;
the control unit is used for converting the control signal into a starting signal and transmitting the starting signal to a fire extinguishing system, so that the fire extinguishing system is triggered to perform fire extinguishing action.
Specifically, when a fire disaster occurs, energy is released by radiation to the surroundings in the form of electromagnetic waves, the radiation energy is transmitted at the speed of light, the ultraviolet sensor can receive a fire disaster signal in a very short time, the fire disaster signal is transmitted to the processing circuit, the signal is analyzed and processed and transmitted to the control unit, and the control unit triggers the fire extinguishing system to enable the fire extinguishing system to aim at the position of the fire disaster, so that the rapid fire extinguishing is realized.
The ultraviolet sensor adopted by the ultraviolet detector in the embodiment can detect the thermal radiation with the wavelength below 400nm emitted by flame, and because the wavelength of the ultraviolet light emitted by the flame which is strongly combusted is approximately in the range of 280-300nm, and the spectrum of the sunlight which reaches the ground through the atmosphere and the spectrum of the radiation emitted by the artificial light source are both larger than 300nm, the ultraviolet sensor can eliminate false alarm caused by the sunlight radiation and the artificial light source. The ultraviolet sensor can adopt a photoconductive detector, and the sensor has the main advantage of higher internal photoelectron gain and has much larger response current than a photovoltaic detector under the same ultraviolet irradiation.
Fig. 2 shows a circuit diagram of the ultraviolet detector, wherein the processor in the processing circuit may adopt an STM32 series MCU of the ST corporation.
The control unit is a group of circuits, comprises a plurality of components and has the main function of converting a control signal of the 'processing circuit' into a 'fire extinguishing system' starting signal, namely amplifying a small signal to control the action of the fire extinguishing system.
The control unit is connected with a gas generator in the fire extinguishing system through a wire, after receiving an ignition instruction signal sent by the processing circuit, the control unit outputs 500mA direct current to the gas generator for 10ms, and the gas generator works and can quickly build pressure in a closed space to push a piston in the fire extinguishing device to spray a fire extinguishing agent.
The fire extinguishing system adopts a non-pressure storage type fire extinguishing system, and in the aspect of selecting and using fire extinguishing agents, the existing fire extinguishing device for the electrical fire is mainly an aerosol fire extinguishing device, but the aerosol fire extinguishing device can leave residues after the electrical fire is extinguished, so that certain influence is caused on electrical equipment. The fire extinguishing system of the embodiment adopts the perfluorohexanone fire extinguishing agent, the perfluorohexanone is liquid at normal temperature, and no danger of storage pressure exists, so that the fire extinguishing system can be simply filled with the perfluorohexanone fire extinguishing agent, and no impurity is left after fire extinguishing, so that the fire extinguishing system cannot damage electrical equipment.
In addition, the novel fire detection and fire extinguishing device has good fireproof performance, can be used in a closed space with a complex environment, has adjustable filling amount, and can be used for configuring fire extinguishing agents with different capacities according to the fire hazard degree. After a fire signal is detected, the fire extinguishing system can be automatically triggered in a short time, so that the fire extinguishing function is realized.
To sum up, the embodiment of the utility model provides a pair of novel fire detection and fire extinguishing apparatus compares in traditional detection and extinguishing device, adopts the ultraviolet to survey and combine the novel detection and the extinguishing device that form with non-pressure storage formula fire extinguishing systems, can survey the conflagration fast and take place and can start extinguishing device rapidly, realize putting out a fire. Wherein, ultraviolet sensor can respond to the heat radiation that flame sent, avoids the wrong report of sunlight and artificial light source, and fire extinguishing systems adopts the liquid fire extinguishing agent that the compatibility is good, does not have the residue after putting out a fire, can not cause the harm to electrical equipment.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A novel fire detection device, comprising: the device comprises a power supply module, an ultraviolet detector and a control unit;
the power supply module is used for supplying power to the ultraviolet detector;
the ultraviolet detector comprises an ultraviolet sensor and a processing circuit, wherein the ultraviolet sensor is used for detecting the heat radiation of flame and transmitting a sensing signal to the processing circuit, and the processing circuit is used for analyzing and processing the sensing signal, generating a control signal and transmitting the control signal to the control unit;
the control unit is used for converting the control signal into a starting signal and transmitting the starting signal to a fire extinguishing system, so that the fire extinguishing system is triggered to perform fire extinguishing action.
2. The novel fire detection device of claim 1, wherein the ultraviolet sensor is a photoconductive detector.
3. A fire extinguishing apparatus, comprising a novel fire detection apparatus and fire extinguishing system as claimed in claim 1 or 2.
4. A fire extinguishing apparatus according to claim 3, wherein the control unit is connected to a gas generator in the fire extinguishing system.
5. A fire extinguishing apparatus according to claim 3, wherein the fire extinguishing system is a non-stored pressure type fire extinguishing system.
6. A fire extinguishing apparatus according to any one of claims 3 to 5, wherein the fire extinguishing system employs a perfluorohexanone fire extinguishing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921654272.8U CN210845060U (en) | 2019-09-29 | 2019-09-29 | Novel fire detection and fire extinguishing device |
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| CN201921654272.8U CN210845060U (en) | 2019-09-29 | 2019-09-29 | Novel fire detection and fire extinguishing device |
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| CN210845060U true CN210845060U (en) | 2020-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538405A (en) * | 2019-09-29 | 2019-12-06 | 安徽芯核防务装备技术股份有限公司 | novel fire detection and fire extinguishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538405A (en) * | 2019-09-29 | 2019-12-06 | 安徽芯核防务装备技术股份有限公司 | novel fire detection and fire extinguishing device |
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