CN210667129U - Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system - Google Patents
Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system Download PDFInfo
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- CN210667129U CN210667129U CN201921415829.2U CN201921415829U CN210667129U CN 210667129 U CN210667129 U CN 210667129U CN 201921415829 U CN201921415829 U CN 201921415829U CN 210667129 U CN210667129 U CN 210667129U
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Abstract
The utility model discloses an intelligent entrance guard management system based on distributed optical fiber temperature measurement and grating sensing system, include: the distributed fiber bragg grating sensing system is used for collecting environmental data of at least one monitoring area; the distributed optical fiber temperature measurement system is used for collecting temperature data of at least one monitoring area; the access control management equipment is used for performing abnormal alarm on the environmental data and the temperature data; the distributed fiber grating sensing system and the distributed fiber temperature measuring system are connected with the access control management equipment. Therefore, the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system are additionally arranged on the access control management equipment, so that data such as gas concentration, gas pressure, smoke concentration and temperature of a monitoring area can be collected, and early warning in the aspects of fire, gas concentration, gas pressure, smoke concentration and the like can be effectively carried out on the monitoring area. In addition, the escape and disaster relief can be assisted.
Description
Technical Field
The utility model relates to a security protection technical field especially relates to an intelligent entrance guard management system based on distributed optical fiber temperature measurement and grating sensing system.
Background
At present, the access control system used by a hazardous chemical enterprise monitors a small amount of information, generally monitors information such as people, vehicles and positions, lacks information such as concentration, temperature, smoke concentration and air pressure of toxic and harmful industrial gas which is closely related to the hazardous chemical enterprise, lacks emergency alarm, and is not beneficial to early warning, escape and disaster relief.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above mentioned technical problems to a certain extent.
Therefore, the utility model discloses a first aim at provides an intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system.
In order to achieve the above object, an intelligent access control management system based on a distributed optical fiber temperature measurement and grating sensing system according to an embodiment of the present invention is characterized by comprising:
the distributed fiber bragg grating sensing system is used for collecting environmental data of at least one monitoring area;
the distributed optical fiber temperature measurement system is used for collecting temperature data of at least one monitoring area;
the access control management equipment is used for performing abnormal alarm on the environmental data and the temperature data;
the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system are both connected with the access control management equipment;
the distributed fiber grating sensing system comprises at least one fiber grating gas concentration sensor, at least one fiber grating air pressure sensor and at least one fiber grating smoke concentration sensor which are arranged in each monitoring area.
Further, entrance guard management equipment includes: the system comprises a communication module, an access controller and an alarm; the communication module is respectively connected with the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system, and the access controller is respectively connected with the communication module and the alarm;
the communication module is used for receiving the environmental data and the temperature data in each monitoring area and sending the environmental data and the temperature data to the access controller;
the entrance guard controller is used for sending an alarm signal to the alarm when monitoring that the environmental data and/or the temperature data are abnormal;
and the alarm is used for receiving the alarm signal and outputting alarm information.
Further, the alarm is an acousto-optic alarm.
Furthermore, the access controller is further used for outputting an escape planning route when monitoring that the environmental data and/or the temperature data are abnormal.
Further, entrance guard management equipment still includes: a display;
the display is connected with the communication module and used for displaying environmental data and temperature data in at least one monitoring area.
Furthermore, the display is also connected with the access controller and used for displaying an escape planning route.
Further, entrance guard management equipment still includes: a memory;
the memory is connected with the communication module and used for recording environmental data and temperature data in at least one monitoring area.
Further, the access controller is a microcontroller MCU.
The utility model discloses an intelligent entrance guard management system based on distributed optical fiber temperature measurement and grating sensing system, include: the distributed fiber bragg grating sensing system is used for collecting environmental data of at least one monitoring area; the distributed optical fiber temperature measurement system is used for collecting temperature data of at least one monitoring area; the access control management equipment is used for performing abnormal alarm on the environmental data and the temperature data; the distributed fiber grating sensing system and the distributed fiber temperature measuring system are connected with the access control management equipment. Therefore, the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system are additionally arranged on the access control management equipment, so that data such as gas concentration, gas pressure, smoke concentration and temperature of a monitoring area can be collected, and early warning in the aspects of fire, gas concentration, gas pressure, smoke concentration and the like can be effectively carried out on the monitoring area. In addition, the escape and disaster relief can be assisted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which,
fig. 1 is a schematic structural diagram of an intelligent access control management system based on a distributed optical fiber temperature measurement and grating sensing system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system according to another embodiment of the present invention.
Reference numerals:
1: a distributed fiber grating sensing system; 2: a distributed optical fiber temperature measurement system; 3: an access control device; 11: a fiber grating gas concentration sensor; 12, a fiber grating air pressure sensor; 13: a fiber grating smoke concentration sensor; 31: a communication module; 32: an access controller; 33: an alarm; 34: a display; 35: a memory.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The utility model discloses two door management systems of danger enterprise's intelligence based on optical fiber sensing of embodiment are described below with reference to the attached drawing.
Fig. 1 is a schematic structural diagram of an intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system according to an embodiment of the present invention. As shown in fig. 1, the intelligent access control system based on distributed optical fiber temperature measurement and grating sensing system provided in this embodiment includes: the distributed fiber grating sensing system comprises a distributed fiber grating sensing system 1 for collecting environmental data of at least one monitoring area; the distributed optical fiber temperature measurement system 2 is used for collecting temperature data of at least one monitoring area; a door access management device 3 for performing an abnormal alarm on the environmental data and the temperature data; the distributed fiber bragg grating sensing system 1 and the distributed fiber temperature measuring system 2 are both connected with the access control management equipment 3; the distributed fiber grating sensing system 1 comprises at least one fiber grating gas concentration sensor 11, at least one fiber grating gas pressure sensor 12 and at least one fiber grating smoke concentration sensor 13 which are arranged in each monitoring area.
Specifically, the distributed fiber bragg grating sensing system 1 is configured to collect environmental data of at least one monitoring area and send the environmental data to the access control management device 3.
The distributed fiber grating sensing system 1 adopts a fiber grating sensor, takes a fiber grating as an element for measuring each environmental parameter, and has the characteristics of full-optical measurement, no lightning strike, no electromagnetic interference, high precision, high reliability and the like. Changes in temperature, strain and stress cause changes in the pitch and index of refraction of the fiber grating, thereby changing the reflection and transmission spectra of the fiber grating. By detecting the change of the reflection spectrum or the transmission spectrum of the fiber grating, corresponding temperature, strain and pressure information can be obtained, which is the basic principle of measuring the temperature, the strain and the pressure by using the fiber grating.
The distributed fiber grating sensing system 1 includes at least one fiber grating gas concentration sensor 11, at least one fiber grating gas pressure sensor 12, and at least one fiber grating smoke concentration sensor 13, which are disposed in each monitoring area, although more types of sensors may be disposed in the distributed fiber grating sensing system 1 according to actual situations, which is not limited herein.
It will be appreciated that the distributed fibre grating sensing system 1 is comprised of at least one fibre grating gas concentration sensor 11, at least one fibre grating gas pressure sensor 12 and at least one fibre grating smoke concentration sensor 13 arranged in respective monitoring zones.
The monitoring area is set according to an actual situation, for example, an area where two doors of a hazardous chemical enterprise are located is used as the monitoring area. The number of the two doors of the dangerous chemical enterprises is 10, and correspondingly, the number of the monitoring areas is 10. Wherein, the setting of two doors of dangerization enterprise is in non-explosion-proof region, can effectively keep apart enterprise production area and official working, life area, effectively manages and controls the entrance guard's device of discrepancy production area personnel and vehicle.
The fiber grating gas concentration sensor 11 is used to detect the concentration of toxic gas in the monitoring area, such as carbon monoxide, hydrogen sulfide, sulfur dioxide, acetylene, but not limited thereto.
The fiber grating air pressure sensor 12 is used for detecting the air pressure in the monitoring area.
The fiber grating smoke concentration sensor 13 is used for detecting the smoke concentration in the monitoring area.
Specifically, the distributed optical fiber temperature measurement system 2 is configured to collect temperature data in at least one monitoring area and send the temperature data to the access control management device 3. The distributed optical fiber temperature measurement system 2 is laid in at least one monitoring area to detect the temperature of each monitoring area. When a fire disaster occurs in the monitoring area, the distributed optical fiber temperature measuring system 2 is positioned to the temperature rise of the monitoring area where the fire disaster occurs, and a fire disaster alarm is carried out.
The distributed optical fiber temperature measurement system 2 can obtain accurate temperature values of all points along the optical fiber by adopting a high-quality pulse light source, a light receiving device and a high-speed signal acquisition and processing technology. The distributed optical fiber temperature measurement system 2 integrates technologies such as light collection, electricity, machinery, computer and weak signal detection, can realize large-range space temperature distributed real-time measurement, and has the advantages of long measurement distance, no measurement blind area, real-time monitoring, accurate positioning and the like.
The distributed optical fiber temperature measurement system 2 simultaneously achieves temperature measurement and space positioning functions, wherein the temperature measurement utilizes an optical fiber spontaneous Raman (Raman) scattering effect, and the space positioning utilizes an Optical Time Domain Reflectometry (OTDR) technology. The method comprises the steps that high-speed narrow-pulse-width semiconductor laser pulses are coupled into a sensing optical fiber, Anti-Stokes signals (Anti-Stokes) sensitive to temperature and Stokes signals (Stokes) insensitive to temperature are obtained through filtering and detection of weak back scattering signals of the optical fiber and high-speed data acquisition and analysis, the absolute indication of the temperature is provided by the ratio of the Anti-Stokes to the Stokes, and accurate temperature information distributed along the optical fiber is obtained in real time by utilizing the principle; and the real-time online monitoring of the whole process of the sensing optical fiber is realized by combining an advanced intelligent fire alarm judgment algorithm.
The distributed optical fiber temperature measurement system 2 is technically characterized in that: the temperature measurement precision is high: plus or minus 1 ℃ (full range); the measuring distance is long: 2km-30 km; the measurement time is fast: 2 s/channel (fastest in the industry); the positioning precision is high: 1 m; the channel is many: 1/2/4/8/16; the system has rich interfaces and is convenient to network; the single detector is designed in a light path, so that the reliability is high; the self-diagnosis function is provided, and faults are quickly positioned; the differential constant temperature alarm function and the alarm mode are flexible; the installation is simple, and the later maintenance work load is little.
Specifically, the access control device 3 is an existing access control device 3, and can monitor information such as an entering person, a vehicle, and a position. The intelligent access control management system based on the distributed optical fiber temperature measurement and grating sensing system provided by the embodiment is obtained by additionally installing the distributed optical fiber grating sensing system 1 and the distributed optical fiber temperature measurement system 2 on the existing access control management equipment 3, and the access control management equipment 3 is used for receiving environmental data and temperature data in each monitoring area and outputting alarm information when the environmental data and/or the temperature data are abnormal.
Fig. 2 is a schematic structural diagram of an intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system according to another embodiment of the present invention. As shown in fig. 2, the access control apparatus 3 includes: a communication module 31, an access controller 32, and an alarm 33; the communication module 31 is respectively connected with the distributed fiber bragg grating sensing system 1 and the distributed fiber temperature measuring system 2, and the access controller 32 is respectively connected with the communication module 31 and the alarm 33;
the communication module 31 is configured to receive environmental data and temperature data in each monitored area and send the environmental data and the temperature data to the access controller. Specifically, the distributed fiber grating sensing system 1 and the distributed fiber temperature measuring system 2 are connected to the access control management device 3 through a communication module 31, where the communication module 31 is, for example: a 3G communication module, a 4G communication module, a 5G communication module, and a WiFi (Wireless Fidelity) communication module, but not limited thereto.
The access controller 32 is configured to send an alarm signal to the alarm 33 when monitoring that the environmental data and/or the temperature data are abnormal. Preferably, access controller 32 is a Microcontroller (MCU). The MCU has the advantages of high speed, high reliability, phase-locked loop technology, enhanced communication function, excellent performances of on-line programmability, interference resistance and the like, and the applied MCU access controller has high-speed, stable and reliable network communication capacity and can quickly process various external events.
And the alarm 33 is used for receiving the alarm signal and outputting alarm information. Preferably, the alarm 33 is an audible and visual alarm. The audible and visual alarm shows alarm signals to people through sound and light, and effectively carries out danger early warning.
Optionally, in order to facilitate viewing of the monitoring data, the access control device 3 further includes: a display 34; the display 34 is connected to the communication module 31 for displaying the environmental data and the temperature data in at least one monitored area.
Further, the access controller 32 is further configured to output an escape planning route when it is monitored that the environmental data and/or the temperature data are abnormal.
It can be understood that the access controller 32 receives the environmental data and the temperature data of each monitored area, and when the environmental data and/or the temperature data of a certain monitored area are abnormal, the access controller 32 not only controls the alarm to send out an alarm signal, but also determines the abnormal monitored area simultaneously by the access controller 32, and outputs an escape planning route based on a built-in map.
Optionally, in order to facilitate viewing of the planned escape route and to facilitate disaster relief, the display 34 is further connected to the gate control 32 for displaying the planned escape route.
Further, in order to facilitate the follow-up viewing of the monitoring data at any time, the access control device 3 further includes: a memory 35; the memory 35 is connected to the communication module 31 for recording environmental data and temperature data in at least one monitored area. The memory 35 is, for example, a random access memory, a read only memory, a flash memory, etc., but not limited thereto.
The utility model discloses an intelligent entrance guard management system based on distributed optical fiber temperature measurement and grating sensing system, include: the distributed fiber grating sensing system comprises a distributed fiber grating sensing system 1 for collecting environmental data of at least one monitoring area; the distributed optical fiber temperature measurement system 2 is used for collecting temperature data of at least one monitoring area; a door access management device 3 for performing an abnormal alarm on the environmental data and the temperature data; the distributed fiber grating sensing system 1 and the distributed fiber temperature measuring system 2 are both connected with the access control management equipment 3. Therefore, the distributed fiber grating sensing system 1 and the distributed fiber temperature measuring system 2 are additionally arranged on the access control management equipment 3, so that data such as gas concentration, air pressure, smoke concentration and temperature of a monitoring area can be collected, and early warning in the aspects of fire, gas concentration, air pressure, smoke concentration and the like can be effectively carried out on the monitoring area. In addition, the escape and disaster relief can be assisted.
In the description of the present invention, it is to be understood that the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. The utility model provides an intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system which characterized in that includes:
the distributed fiber bragg grating sensing system is used for collecting environmental data of at least one monitoring area;
the distributed optical fiber temperature measurement system is used for collecting temperature data of at least one monitoring area;
the access control management equipment is used for performing abnormal alarm on the environmental data and the temperature data;
the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system are both connected with the access control management equipment;
the distributed fiber grating sensing system comprises at least one fiber grating gas concentration sensor, at least one fiber grating air pressure sensor and at least one fiber grating smoke concentration sensor which are arranged in each monitoring area.
2. The system of claim 1, wherein the access control device comprises: the system comprises a communication module, an access controller and an alarm; the communication module is respectively connected with the distributed fiber bragg grating sensing system and the distributed fiber temperature measuring system, and the access controller is respectively connected with the communication module and the alarm;
the communication module is used for receiving the environmental data and the temperature data in each monitoring area and sending the environmental data and the temperature data to the access controller;
the entrance guard controller is used for sending an alarm signal to the alarm when monitoring that the environmental data and/or the temperature data are abnormal;
and the alarm is used for receiving the alarm signal and outputting alarm information.
3. The system of claim 2, wherein the alarm is an audible and visual alarm.
4. The system of claim 2, wherein the access controller is further configured to output an escape planning route upon monitoring the environmental data and/or the temperature data for an anomaly.
5. The system of claim 2, wherein the access control device further comprises: a display;
the display is connected with the communication module and used for displaying environmental data and temperature data in at least one monitoring area.
6. The system of claim 5, wherein the display is further coupled to the access control for displaying an escape planning route.
7. The system of claim 2, wherein the access control device further comprises: a memory;
the memory is connected with the communication module and used for recording environmental data and temperature data in at least one monitoring area.
8. The system of claim 2, wherein the access controller is a microcontroller MCU.
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| CN201921415829.2U CN210667129U (en) | 2019-08-28 | 2019-08-28 | Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899479A (en) * | 2020-07-16 | 2020-11-06 | 深圳鞠慈云科技有限公司 | Accident monitoring system |
| CN113639649A (en) * | 2021-08-10 | 2021-11-12 | 合肥市光感芯科技有限公司 | Strain type roof separation layer sensor based on fiber bragg grating |
-
2019
- 2019-08-28 CN CN201921415829.2U patent/CN210667129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899479A (en) * | 2020-07-16 | 2020-11-06 | 深圳鞠慈云科技有限公司 | Accident monitoring system |
| CN113639649A (en) * | 2021-08-10 | 2021-11-12 | 合肥市光感芯科技有限公司 | Strain type roof separation layer sensor based on fiber bragg grating |
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