CN107230485B - Fire detection early warning device - Google Patents
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- CN107230485B CN107230485B CN201710574405.XA CN201710574405A CN107230485B CN 107230485 B CN107230485 B CN 107230485B CN 201710574405 A CN201710574405 A CN 201710574405A CN 107230485 B CN107230485 B CN 107230485B
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- 238000001514 detection method Methods 0.000 title claims abstract description 83
- 238000004891 communication Methods 0.000 claims abstract description 23
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- 229910000975 Carbon steel Inorganic materials 0.000 claims description 20
- 239000010962 carbon steel Substances 0.000 claims description 20
- 239000000945 filler Substances 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 6
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000010295 mobile communication Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention relates to a fire detection and early warning device, which comprises: the explosion-proof board card is used as a main board of the fire detection and early warning device; the fire detection module is fixed on the explosion-proof board card and is used for monitoring the surrounding environment and detecting whether a fire disaster occurs or not; the self-protection storage module is arranged on the explosion-proof board card and connected with the fire detection module, and is used for storing the detection content of the fire detection module and realizing cut-off protection when the fire situation is serious; the communication module is fixed on the explosion-proof board card and is used for communicating with the outside when the fire detection module detects a fire; and the controller is fixed on the explosion-proof board card and used for controlling the working states of the self-protection storage module and the communication module according to the detection result of the fire detection module. Compared with the prior art, the invention has the advantages of accurate detection, capability of realizing the full record of the surrounding environment, strong protection performance, cost saving and the like.
Description
Technical Field
The invention relates to the field of fire detection, in particular to a fire detection early warning device.
Background
The fire detector is an indispensable device for preventing fire and finding out disaster in time, and the existing common fire detector comprises a smoke-sensing type fire detector, a temperature-sensing type fire detector, an optical radiation type fire detector and a combustible gas detector, however, the smoke-sensing type fire detector has respective defects, the smoke-sensing type fire detector has extremely high misjudgment rate on human factors, the temperature-sensing type fire detector has relatively slow response time, the optical radiation type fire detector is easy to be interfered by other light sources to cause misjudgment, and the combustible gas detector has strong reliability against fire caused by volatile combustible gas such as coal gas, natural gas and petroleum, but can not achieve expected effects on fire caused by other reasons.
Patent CN201610542046 provides an explosion-proof infrared ultraviolet flame detector, detect the infrared light and the ultraviolet light that flame produced through infrared detector and ultraviolet detector combination can realize comparatively accurate detection to the conflagration, and this detector has explosion-proof housing, can realize the effective protection to conflagration detection early warning device, however because the explosion-proof housing of this device sets up in the outside of whole device, and adopt the intermediate double glazing who is vacuum as the protection, therefore the cost of this device is high, and in addition, once double glazing's barrier is broken, all structures in the inside can be destroyed, can't keep the complete record to the conflagration accident, the setting of glass makes this housing once take place broken personnel around the scratch easily simultaneously, the security is lower.
Disclosure of Invention
The invention aims to provide a fire detection and early warning device aiming at the problems.
The aim of the invention can be achieved by the following technical scheme:
a fire detection early warning device, the device comprising:
the explosion-proof board card is used as a main board of the fire detection and early warning device;
the fire detection module is fixed on the explosion-proof board card and is used for monitoring the surrounding environment and detecting whether a fire disaster occurs or not;
the self-protection storage module is arranged on the explosion-proof board card and connected with the fire detection module, and is used for storing the detection content of the fire detection module and realizing cut-off protection when the fire situation is serious;
the communication module is fixed on the explosion-proof board card and is used for communicating with the outside when the fire detection module detects a fire;
and the controller is fixed on the explosion-proof board card and used for controlling the working states of the self-protection storage module and the communication module according to the detection result of the fire detection module.
The fire detection module includes:
the ultraviolet detector is fixed on the explosion-proof board card and connected with the controller and is used for detecting whether ultraviolet radiation emitted by flame exists in the surrounding environment or not;
the image collector is fixed on the explosion-proof board card and is respectively connected with the controller and the self-protection storage module, and is used for shooting images of surrounding environment and respectively transmitting the images to the controller and the self-protection storage module.
The self-protecting storage module comprises:
the storage card is arranged on the explosion-proof board card and connected with the fire detection module through a connecting wire, and is used for storing the detection content of the fire detection module;
the memory card protection assembly is arranged on the explosion-proof board card and is used for accommodating the memory card and isolating the memory card from the outside;
and the self-cutting protection assembly is respectively connected with the memory card protection assembly and the controller and is used for cutting off the connecting wire on the memory card under the control of the controller.
The memory card protection assembly comprises a carbon steel shell and a fireproof filler, wherein the memory card is fixed inside the carbon steel shell, and the fireproof filler is filled between the memory card and the carbon steel shell.
And the carbon steel shell is also provided with a through hole for connecting wires between the storage card and the fire detection module.
The fireproof filler comprises fireproof foam double faced adhesive tape and high-temperature-resistant heat-insulation filling cotton.
The self-cutting protection assembly comprises a motor, a magnetic connector and a temperature sensor, wherein the magnetic connector is arranged on the memory card protection assembly and connected with a connecting wire, the motor is respectively connected with a controller and the connecting wire, the connecting wire is driven to rotate under the control of the controller to cut off the connecting wire from the memory card, and the temperature sensor is connected with the controller.
The self-cutting protection assembly further comprises a roller and a touch switch, the roller is used for passing through the connecting wire, the touch switch is located at the joint of the roller and the connecting wire and is connected with the motor, and when the connecting wire triggers the touch switch along with the driving of the motor, the motor is turned off.
The explosion-proof board card comprises a PCB body and an explosion-proof housing, wherein the PCB body is respectively connected with the fire detection module, the self-protection storage module, the communication module and the controller, and the explosion-proof housing is positioned outside the PCB body and is used for accommodating the PCB body, the fire detection module, the self-protection storage module, the communication module and the controller.
The communication module comprises a wireless network card, a mobile communication board card and an Ethernet card chip.
Compared with the prior art, the invention has the following beneficial effects:
(1) The whole of device is protected through explosion-proof integrated circuit board, the inside is equipped with simultaneously from protecting the storage module, has carried out effectual secondary protection to the memory card of storage conflagration condition, can ensure in case the conflagration reaches uncontrollable ground step, and this memory card also can be complete save, can be convenient for after the conflagration finishes according to the storage content analysis conflagration emergence process in the memory card, simultaneously to the key protection of memory card compared with current whole explosion-proof, greatly reduced the protection cost, the practicality is strong.
(2) The fire detection module comprises an ultraviolet detector and an image collector, the ultraviolet detector is small in size and high in sensitivity, the detection effect is better than that of the infrared detector, the image collector can shoot the surrounding environment on one hand, and can transmit images of the surrounding scene to the controller on the other hand, so that the controller can carry out auxiliary detection through image recognition, the detection accuracy is improved, high-accuracy detection can be realized through the cooperation of the controller and the image collector, the infrared detector is removed, the size of the device is reduced on the one hand, and the cost is saved on the other hand.
(3) The self-protection storage module comprises a storage card, a storage card protection assembly and a self-cutting protection assembly, the storage card protection assembly realizes the majority of isolation between the storage card and the external environment, and the self-cutting protection assembly thoroughly cuts off a connecting wire between the storage card and the controller under the condition that fire disaster cannot be controlled, so that the fire disaster is prevented from spreading to the storage card along with the connecting wire, and the comprehensive protection of the storage card is ensured.
(4) The storage card protection component comprises a carbon steel shell and fireproof filler, wherein the carbon steel shell is not easy to break and scratch people around compared with glass, the protection effect is good, and the residual gap between the carbon steel shell and the storage card is completely filled by the fireproof filler, so that the safety is further improved.
(5) The through holes are formed in the carbon steel shell, so that the memory card and the fire detection module can ensure effective transmission and storage of data through the connecting wires under the condition of controllable fire or no fire.
(6) The fireproof filler comprises fireproof foam double faced adhesive tape and high-temperature-resistant heat-insulating filling cotton, has good fireproof performance and low price, and saves cost.
(7) The automatic cutting protection assembly drives the magnetic connector to cut off the connecting wire through the motor, the magnetic connector is arranged to enable the motor to drive the connecting wire to be separated from the memory card more easily, the automatic cutting protection assembly is further provided with a temperature sensor, after the controller judges that a fire disaster occurs and gives out early warning through the ultraviolet detector and the image of the image collector, the controller cuts off the memory card when the temperature transmitted by the temperature sensor reaches a cutting threshold value, so that on one hand, more comprehensive acquired information can be stored in another memory card as much as possible, and on the other hand, the safety of the memory card is guaranteed.
(8) The self-cutting protection assembly further comprises a roller and a touch switch, the connecting wire penetrates through the roller and is close to the roller, the touch switch is arranged at the position, away from the black box, of the connecting wire, and after the connecting wire is close to the roller and is touched to the touch switch, the motor can be closed by the touch switch, idle running of the motor is prevented, and safety of the device is further enhanced.
(9) The explosion-proof board card comprises a PCB body and an explosion-proof shell, the whole device can be initially protected, and the safety of the device is improved without excessively high cost.
(10) The communication module comprises a wireless network card, a mobile communication board card and an Ethernet port chip, so that the diversity of communication modes with the outside is ensured, and accordingly fire disaster early warning can be sent out in time, and loss is reduced as much as possible.
Drawings
FIG. 1 is a schematic diagram of a fire detection and early warning device;
FIG. 2 is a circuit diagram of an ultraviolet detector, wherein (2 a) is a high voltage part circuit diagram, and (2 b) is a sensor detection part circuit diagram;
FIG. 3 is a schematic diagram of an interface of a camera;
fig. 4 is an interface schematic diagram of each chip of the communication module, wherein (4 a) is an ethernet interface, (4 b) is a WIFI module, and (4 c) is a 3G/4G module;
FIG. 5 is a schematic diagram of a self-protected memory module;
wherein, 1 is explosion-proof integrated circuit board, 2 is fire detection module, 3 is self-protection storage module, 4 is communication module, 5 is the controller, 31 is memory card protection subassembly, 32 is magnetic connector, 33 is the connecting wire, 34 is touch switch, 35 is the gyro wheel, 36 is the motor.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
As shown in fig. 1, this embodiment provides a fire detection and early warning device, including: the explosion-proof board card 1 is used as a main board of the fire detection and early warning device; the fire detection module 2 is fixed on the explosion-proof board card 1 and is used for monitoring the surrounding environment and detecting whether a fire disaster occurs or not; the self-protection storage module 3 is arranged on the explosion-proof board card 1 and connected with the fire detection module 2, and is used for storing the detection content of the fire detection module 2 and realizing cut-off protection when the fire situation is serious; the communication module 4 is fixed on the explosion-proof board card 1 and is used for communicating with the outside when the fire detection module 2 detects a fire; and the controller 5 is fixed on the explosion-proof board card 1 and is used for controlling the working states of the self-protection storage module 3 and the communication module 4 according to the detection result of the fire detection module 2.
Wherein the fire detection module 2 comprises: the ultraviolet detector is fixed on the explosion-proof board card 1 and connected with the controller 5 and is used for detecting whether ultraviolet radiation emitted by flame exists in the surrounding environment or not; the image collector is fixed on the explosion-proof board card 1 and is respectively connected with the controller 5 and the self-protection storage module 3, and is used for shooting images of surrounding environment and respectively transmitting the images to the controller 5 and the self-protection storage module 3. The self-protecting memory module 3 includes: the storage card is arranged on the explosion-proof board card 1 and connected with the fire detection module 2 through a connecting wire 33, and is used for storing detection contents of the fire detection module 2; the memory card protection component 31 is arranged on the explosion-proof board card 1 and is used for accommodating the memory card and isolating the memory card from the outside; the self-cutting protection assembly is respectively connected with the memory card protection assembly 31 and the controller 5 and is used for cutting the connecting wire 33 on the memory card under the control of the controller 5. The memory card protection assembly 31 includes a carbon steel housing, inside which the memory card is fixed, and a fireproof filler filled between the memory card and the carbon steel housing. The carbon steel housing is also provided with through holes for connecting wires 33 to the fire detection module 2 via a memory card. The fireproof filler comprises fireproof foam double faced adhesive tape and high-temperature-resistant heat-insulating filling cotton. The self-cutting protection assembly comprises a motor 36, a magnetic connector 32 and a temperature sensor, wherein the magnetic connector 32 is arranged on the memory card protection assembly 31 and connected with the connecting wire 33, the motor 36 is respectively connected with the controller 5 and the connecting wire 33, the connecting wire 33 is driven to rotate under the control of the controller 5 to cut off the connecting wire 33 from the memory card, and the temperature sensor is connected with the controller 5. The self-cutting protection assembly further comprises a roller 35 and a touch switch 34, the roller 35 is used for connecting the roller 35 with the connecting wire 33 through the connecting wire 33, the touch switch 34 is located at the connecting position of the roller 35 and the connecting wire 33 and is connected with the motor 36, and when the connecting wire 33 is driven by the motor 36 to trigger the touch switch 34, the motor 36 is turned off. The explosion-proof board card 1 comprises a PCB body and an explosion-proof housing, wherein the PCB body is respectively connected with the fire detection module 2, the self-protection storage module 3, the communication module 4 and the controller 5, and the explosion-proof housing is positioned outside the PCB body and is used for accommodating the PCB body and the fire detection module 2, the self-protection storage module 3, the communication module 4 and the controller 5. The communication module 4 comprises a wireless network card, a mobile communication board card and an Ethernet card chip.
In the embodiment, the specific circuit structure of the ultraviolet detector is shown in fig. 2, wherein (2 a) is a high-voltage partial circuit, the partial circuit boosts the input 24V voltage to 330V through inversion, and (2 b) is a sensor detection partial circuit, the input voltage is 300-350V, and the output is a pulse signal of the ultraviolet photosensitive tube GD-35, which is connected to the GPIO pin of the controller 5, i.e. the control chip.
The image collector in the embodiment adopts a CMOS camera, has the advantages of high sensitivity, low power consumption, high resolution (1300×1028pixels at the maximum), support for a large number of commonly used image formats, support for automatic image control and the like, and the interface schematic diagram of the camera is shown in fig. 3.
Fig. 4 is an interface schematic diagram of each chip of the communication module 4 in this embodiment, where (4 a) is an ethernet port, a DM9621NP network card chip is adopted, (4 b) is a WIFI module, an SDIO interface is adopted, and (4 c) is a 3G/4G module, and a USB interface is adopted.
Fig. 5 is a schematic structural diagram of the key-self-protection memory module 3 in this embodiment, in which the memory card is placed inside a carbon steel housing, the inside of the carbon steel housing is filled with a fireproof foam double faced adhesive tape and a high temperature resistant heat insulation foam, and simultaneously the outside of the carbon steel housing is respectively connected with a magnetic connector 32 and a temperature detector, when the temperature reaches a threshold value (preset to 60 ℃ in this embodiment), the controller 5 sends a signal to the motor 36, and the motor 36 is started to rotate to pull the connecting wire 33 so that the carbon steel housing with the memory card module becomes independent fireproof, thereby preventing the high temperature flame from burning the memory card along with the connecting wire 33. Meanwhile, special treatment is carried out on the connecting wire 33, the connecting wire 33 passes through the 2 rollers 35, a touch switch 34 is arranged near the rollers 35, after the motor 36 is started, the connecting wire 33 is pulled away from the black box, and after the connector touches the switch when approaching the rollers 35, the motor 36 is closed, so that the motor 36 is prevented from idling.
The whole working process of the device is as follows: on the one hand, the ultraviolet detector in the fire detection module 2 detects the surrounding environment and sends detection signals to the controller 5, if the controller 5 finds that ultraviolet radiation emitted by flame exists, the fire is primarily considered to occur, on the other hand, the controller 5 analyzes an image transmitted by the image acquisition device, processes the image through an HSV algorithm to obtain a gray level image, carries out iterative operation with a background image to obtain a foreground image, and then detects an edge image through a Roberts edge detection operator and a Laplacian edge detection operator. The change of the characteristics such as the area, the edge, the flickering, the sharp angle and the like is obtained through multi-frame comparison, whether a flame image exists or not is judged through comparison operation processing with a model, if the flame image is found, the fire disaster is primarily considered to occur, the ultraviolet detection result is compared with the image analysis result, and if the fire disaster is considered to occur, the communication module 4 is immediately connected with the outside to indicate the occurrence of the fire disaster. In the process of waiting for the arrival of rescue workers, a temperature sensor positioned on a carbon steel shell outside a memory card receives external temperature and transmits the external temperature to the controller 5, the controller 5 judges whether the temperature exceeds a threshold value, if the temperature exceeds the threshold value, the motor 36 is immediately controlled to rotate, the connecting wire 33 is driven to move so as to separate the connecting wire 33 from the memory card, thereby avoiding the fire from spreading to the memory card through the connecting wire 33, after the connecting wire 33 is thoroughly separated from the memory card, the connecting wire 33 touches the touch switch 34 through the roller 35, the touch switch 34 is closed to the motor 36, and the idling of the motor 36 is avoided.
Claims (7)
1. A fire detection and early warning device, the device comprising:
the explosion-proof board card is used as a main board of the fire detection and early warning device;
the fire detection module is fixed on the explosion-proof board card and is used for monitoring the surrounding environment and detecting whether a fire disaster occurs or not;
the self-protection storage module is arranged on the explosion-proof board card and connected with the fire detection module, and is used for storing the detection content of the fire detection module and realizing cut-off protection when the fire situation is serious;
the communication module is fixed on the explosion-proof board card and is used for communicating with the outside when the fire detection module detects a fire;
the controller is fixed on the explosion-proof board card and used for controlling the working states of the self-protection storage module and the communication module according to the detection result of the fire detection module;
the self-protecting storage module comprises:
the storage card is arranged on the explosion-proof board card and connected with the fire detection module through a connecting wire, and is used for storing the detection content of the fire detection module;
the memory card protection assembly is arranged on the explosion-proof board card and is used for accommodating the memory card and isolating the memory card from the outside;
the self-cutting protection assembly is respectively connected with the memory card protection assembly and the controller and is used for cutting off a connecting wire on the memory card under the control of the controller;
the self-cutting protection assembly comprises a motor, a magnetic connector and a temperature sensor, wherein the magnetic connector is arranged on the memory card protection assembly and connected with the connecting wire, the motor is respectively connected with the controller and the connecting wire, the connecting wire is driven to rotate under the control of the controller to cut off the connecting wire from the memory card, and the temperature sensor is connected with the controller;
the self-cutting protection assembly further comprises a roller and a touch switch, the roller is used for passing through the connecting wire, the touch switch is located at the joint of the roller and the connecting wire and is connected with the motor, and when the connecting wire triggers the touch switch along with the driving of the motor, the motor is turned off.
2. The fire detection and early warning device according to claim 1, wherein the fire detection module comprises:
the ultraviolet detector is fixed on the explosion-proof board card and connected with the controller and is used for detecting whether ultraviolet radiation emitted by flame exists in the surrounding environment or not;
the image collector is fixed on the explosion-proof board card and is respectively connected with the controller and the self-protection storage module, and is used for shooting images of surrounding environment and respectively transmitting the images to the controller and the self-protection storage module.
3. The fire detection and early warning device of claim 1, wherein the memory card protection assembly comprises a carbon steel housing and a fire protection filler, the memory card is fixed inside the carbon steel housing, and the fire protection filler is filled between the memory card and the carbon steel housing.
4. The fire detection and early warning device according to claim 3, wherein the carbon steel housing is further provided with a through hole for connecting a wire with the fire detection module through a memory card.
5. The fire detection and early warning device according to claim 3, wherein the fireproof filler comprises a fireproof foam double faced adhesive tape and a high temperature resistant heat insulation filler cotton.
6. The fire detection and early warning device according to claim 1, wherein the explosion-proof board card comprises a PCB body and an explosion-proof housing, the PCB body is respectively connected with the fire detection module, the self-protection storage module, the communication module and the controller, and the explosion-proof housing is positioned outside the PCB body and is used for accommodating the PCB body, the fire detection module, the self-protection storage module, the communication module and the controller.
7. The fire detection and early warning device according to claim 1, wherein the communication module comprises a wireless network card, a mobile communication board card and an ethernet card chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710574405.XA CN107230485B (en) | 2017-07-14 | 2017-07-14 | Fire detection early warning device |
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| CN201710574405.XA CN107230485B (en) | 2017-07-14 | 2017-07-14 | Fire detection early warning device |
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| CN107230485B true CN107230485B (en) | 2023-07-28 |
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| CN109637069A (en) * | 2018-12-28 | 2019-04-16 | 广州中国科学院工业技术研究院 | Power battery fire monitoring early warning system |
| CN113140652A (en) * | 2021-04-14 | 2021-07-20 | 中国科学院长春光学精密机械与物理研究所 | Detection chip and preparation method thereof |
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| JP2006243815A (en) * | 2005-02-28 | 2006-09-14 | Sekisui Chem Co Ltd | Security system |
| CN101295426A (en) * | 2008-06-23 | 2008-10-29 | 山西科泰微技术有限公司 | Fire-fighting alarm control cabinet with data acquisition protecting equipment |
| CN201917991U (en) * | 2011-01-12 | 2011-08-03 | 沈阳三丰电气有限公司 | Electric fire-monitoring system with direct printing function |
| WO2016174975A1 (en) * | 2015-04-28 | 2016-11-03 | モリタ宮田工業株式会社 | Package-type automatic fire extinguishing device |
| CN205121570U (en) * | 2015-10-29 | 2016-03-30 | 江苏和乔科技股份有限公司 | Prevent that it carries out safety arrangement that steals secret information to read module through IC -card |
| CN105931418A (en) * | 2016-07-11 | 2016-09-07 | 安徽升隆电气有限公司 | Explosion-proofing infrared UV flame detector |
| CN105931415A (en) * | 2016-07-11 | 2016-09-07 | 安徽升隆电气有限公司 | Integrated multifunctional electrical fire monitoring detector |
| CN205845240U (en) * | 2016-07-11 | 2016-12-28 | 安徽升隆电气有限公司 | A kind of explosion-proof type infrared and ultraviolet flame detector |
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| CN107230485A (en) | 2017-10-03 |
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