CN217955215U - Temperature monitoring and fire alarm device of centralized meter box - Google Patents
Temperature monitoring and fire alarm device of centralized meter box Download PDFInfo
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- CN217955215U CN217955215U CN202221907947.7U CN202221907947U CN217955215U CN 217955215 U CN217955215 U CN 217955215U CN 202221907947 U CN202221907947 U CN 202221907947U CN 217955215 U CN217955215 U CN 217955215U
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Abstract
A temperature monitoring and fire alarm device of a centralized meter box comprises a monitoring alarm device arranged in the centralized meter box and a control system arranged outside the centralized meter box; monitoring alarm device includes temperature sensor, flame monitor, PCBA board, a plurality of temperature indicator, conflagration reputation alarm lamp, temperature sensor, flame monitor, a plurality of temperature indicator, conflagration reputation alarm lamp are all installed on PCBA board openly, PCBA board is installed and is concentrated the incasement and the back and concentrate case fixed connection at the case. Concentrate temperature monitoring and fire alarm device of table case, structural design is reasonable for concentrate the temperature of table incasement portion and the real time monitoring of conflagration, taking place unusually, the conflagration takes place early at concentrated table case temperature, can in time carry out short-term test, report to the police, notice to temperature, conflagration flame, can also tentatively put out concentrating the inside fire source of table case, improved the security of concentrating the table case.
Description
Technical Field
The utility model relates to a fire alarm technical field, concretely relates to temperature monitoring and fire alarm device of concentrated table case.
Background
In the transformation of urban civil power grids, the one-household one-meter system is popularized greatly, and generally, the electric meters in one unit corridor are required to be installed together in a centralized mode, so that a centralized meter box is required to be used.
The concentrated table case among the prior art generally does not possess temperature monitoring, fire alarm device, when the inside high temperature of concentrated table case, leads to the circuit to take place the condition of burning and circuit short circuit easily, is difficult to self-cooling because of concentrated table case itself in addition, has promoted the probability that the trouble takes place. When the concentrated meter box overlooks the circuit and burns, if the circuit is not timely found and treated, serious safety accidents are easily caused. Therefore, it is necessary to develop a temperature monitoring and fire alarm device for a centralized meter box to solve the above technical problems.
Chinese patent application number is CN111983273A discloses a waterproof type concentrated table case with theftproof function, this waterproof type concentrated table case is fixed with mounting panel and siren, but is used for avoiding lawless persons to steal during the siren, has improved theftproof performance, not for fire alarm sets up, do not solve concentrated table case and do not have temperature monitoring, the fire alarm function leads to when concentrated table case circuit takes place to burn and circuit short circuit probably causes great incident problem.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a temperature monitoring and fire alarm device of concentrated table case, structural design is reasonable for the temperature of concentrated table incasement portion and the real time monitoring of conflagration take place unusually, the conflagration takes place early at concentrated table case temperature, can in time carry out short-term test, warning, notice to temperature, conflagration flame, can also tentatively put out the inside fire source of concentrated table case, improved the security of concentrated table case, application prospect is extensive.
The technical scheme is as follows: a temperature monitoring and fire alarm device of a centralized meter box comprises a monitoring alarm device arranged in the centralized meter box and a control system arranged outside the centralized meter box; the monitoring alarm device comprises a temperature sensor, a flame monitor, a PCBA board, a plurality of temperature indicating lamps and a fire acousto-optic alarm lamp, wherein the temperature sensor, the flame monitor, the plurality of temperature indicating lamps and the fire acousto-optic alarm lamp are all arranged on the front surface of the PCBA board, the PCBA board is arranged in the concentrated meter box, and the back surface of the PCBA board is fixedly connected with the concentrated meter box; the PCBA board is provided with a microcontroller module, an image data storage module, a temperature indication module, a fire alarm module and an NB-IoT wireless transmission module, wherein the microcontroller module is respectively connected with a temperature sensor, a flame monitor, a plurality of temperature indication lamps, a fire acousto-optic alarm lamp, the image data storage module, the temperature indication module and the fire alarm module; the microcontroller module is in serial communication with the NB-IoT wireless transmission module and is accessed to the NB-IoT network through the NB-IoT wireless transmission module to realize transmission communication with the control system.
Temperature monitoring and fire alarm device for concentrate the inside temperature of table case and the real time monitoring of conflagration, it is unusual to take place concentrating table case temperature, the conflagration takes place early, can be in time to the temperature, fire flame carries out short-term test and warning, and give outside control system through NB-IoT wireless transmission module transmission, make things convenient for control system to confirm the condition of concentrating the table case, the position, then pass through the phone, the SMS, mode such as little letter (including positioning map), will concentrate table case information transmission to relevant person in charge, make things convenient for maintenance person etc. to arrive as early as possible, the realization is to the temperature, the fire alarm condition carries out real-time supervision, the warning, notify, the security of concentrating the table case has been improved.
Furthermore, the temperature monitoring and fire alarm device of the concentrated meter box further comprises a fire extinguishing device arranged in the concentrated meter box.
Furthermore, the fire extinguishing device of the centralized meter box comprises a fire extinguisher and a thermosensitive wire; the fire extinguisher is arranged in the centralized meter box and is used for spraying fire extinguishing dry powder to extinguish a fire source; the fire extinguisher is characterized in that the number of the thermosensitive wires is multiple, the thermosensitive wires are uniformly distributed in the centralized meter box, one end of each thermosensitive wire is connected with a hot start interface of the fire extinguisher, and when the thermosensitive wires are in contact with flame or the contact temperature exceeds 170 ℃, the fire extinguisher is started through combustion of the thermosensitive wires.
The fire extinguisher can adopt a non-pressure storage type superfine dry powder fire extinguisher with jet orifices at two ends, and is used for spraying fire extinguishing dry powder to a centralized meter box to extinguish a fire source. The heat-sensitive wire is used for contacting with the ambient temperature and a fire source, and when the heat-sensitive wire is contacted with a flame or the contact temperature exceeds 170 ℃, the heat-sensitive wire is burnt to start the fire extinguisher.
Through the design, when the temperature indicating lamp, the fire acousto-optic alarm lamp and the control system are not noticed or the maintenance personnel do not arrive in the same situation, the fire extinguisher can initially extinguish the fire source in the concentrated meter box in the initial stage of fire, and the safety of residents is prevented from being endangered by serious fire.
Furthermore, foretell temperature monitoring and fire alarm device of concentrated table case, the temperature-indicating lamp includes green lamp, one-level reputation warning light, second grade reputation warning light, tertiary reputation warning light.
When the temperature in the centralized meter box is in a normal temperature condition, the green lamp is turned on, and other lamps are turned off; when the temperature in the concentration meter box is at a first preset threshold (for example, 40 ℃), the primary acousto-optic warning lamp is turned on, and other lamps are turned off; when the temperature in the concentration meter box is at a second preset threshold (for example 80 ℃), the secondary acousto-optic warning lamp is turned on, and other lamps are turned off; when the temperature in the concentration meter box is at a third preset threshold (for example 110 ℃), the three-level acousto-optic warning lamp is turned on, and other lamps are turned off.
Furthermore, in the temperature monitoring and fire alarm device of the concentrated meter box, the temperature sensor adopts a K-index thermocouple, and the flame monitor adopts an OV5640 camera.
The OV5640 camera is a CMOS camera, has 500 ten thousand pixel images, supports automatic continuous focusing of the images, is embedded with an image processing chip, supports the translation, scaling and windowing setting of the images, controls through an SCCB standard bus, can output 8-bit or 10-bit image data with different sizes, and can meet the fire monitoring requirement of a centralized meter box.
Further, foretell temperature monitoring and fire alarm device of concentrated table case, monitoring alarm device still includes the safety cover, the safety cover passes through the fixed mode of block or screw to be fixed in the front of PCBA board, set up the trompil that supplies temperature sensor, flame monitor 12, a plurality of temperature indicator, conflagration reputation alarm lamp to stretch out on the safety cover.
Through setting up the safety cover, can avoid the foreign object to damage the PCBA board.
Further, the control system of the temperature monitoring and fire alarm device of the centralized meter box comprises an NB-IoT base station, an OneNET Internet of things cloud platform and a fire control rear end; temperature monitoring data and flame monitoring image data of the monitoring alarm device of each centralized meter box are accessed to an NB-IoT network through an NB-IoT wireless transmission module, network communication is carried out between an NB-IoT base station and an OneNet thing networking cloud platform, and the OneNet thing networking cloud platform is in network communication with a fire control back end.
The NB-IoT technology is a wireless transmission technology, belongs to one of low-power-consumption wide area network technologies, has the advantages of lower power consumption, wider coverage range, larger connection capacity and the like compared with short-distance wireless transmission technologies such as Bluetooth, zigBee and the like, and is suitable for long-distance and large-range networking occasions. And the NB-IoT base station is specially deployed by a network operator, so that a user does not need to build a complex network architecture. The temperature sensors of the monitoring alarm devices of the centralized meter boxes, the temperature monitoring data collected by the flame monitors and the flame monitoring image data can be accessed to an NB-IoT network through an NB-IoT wireless transmission module, transmission communication with the OneET Internet of things cloud platform is realized through an NB-IoT base station, the temperature monitoring data and the flame monitoring image data of the monitoring alarm devices of the centralized meter boxes are received and stored by using the OneET Internet of things cloud platform, and a user can check the conditions of the monitoring alarm devices of the centralized meter boxes at any time and perform corresponding processing through monitoring a fire control rear-end computer, a mobile phone terminal and the like.
The utility model has the advantages that:
(1) The utility model discloses a temperature monitoring and fire alarm device of concentrated table case for the temperature of concentrated table incasement portion and the real time monitoring of conflagration, it is unusual to take place at concentrated table case temperature, the conflagration takes place early, can in time carry out quick detection and warning to temperature, conflagration flame, and transmit for outside control system through NB-IoT wireless transmission module, make things convenient for control system to confirm the condition, the position of concentrated table case, then through modes such as telephone, SMS, little letter (including positioning map), will concentrate table case information transmission to relevant person in charge, make things convenient for maintenance personnel etc. to catch up as soon as possible, the security of concentrated table case has been improved;
(2) The utility model discloses a temperature monitoring and fire alarm device of concentrated table case, be provided with extinguishing device in concentrated table case, when temperature indicator lamp, conflagration acousto-optic warning lamp and control system's warning not noticed or the maintenance personal has not arrived the circumstances such as, in the initial stage of catching a fire, the fire extinguisher just can tentatively put out concentrated table incasement portion fire source, avoids appearing serious conflagration endangering resident's safety;
(3) Concentrate temperature monitoring and fire alarm device of table case, each concentrates monitoring alarm device's of table case temperature sensor, the temperature monitoring data that flame monitor gathered, flame monitoring image data can access to NB-IoT network through NB-IoT wireless transmission module, realize through NB-IoT basic station and carry out transmission communication with OneET thing antithetical couplet cloud platform, receive and save each concentration table case's monitoring alarm device's temperature monitoring data through using OneET thing antithetical couplet cloud platform, flame monitoring image data, and the user can be through control fire control rear end computer, cell phone terminal etc. can look over each concentration table case's monitoring alarm device's the condition at any time and carry out corresponding processing, low power consumption, wide coverage, large connection capacity, application prospect is extensive.
Drawings
Fig. 1 is a schematic structural view of a monitoring alarm device (without a protective cover) of a temperature monitoring and fire alarm device of the centralized meter box of the invention;
FIG. 2 is a schematic structural view of a monitoring alarm device (with a protective cover) of the temperature monitoring and fire alarm device of the concentrated meter box of the present invention;
FIG. 3 is a schematic view of the arrangement of the fire extinguishing apparatus of the temperature monitoring and fire alarming apparatus of the concentrated meter box of the present invention;
FIG. 4 is a first overall structural diagram of the temperature monitoring and fire alarm device of the concentrated meter box of the present invention;
FIG. 5 is a second overall structural diagram of the temperature monitoring and fire alarm device of the concentrated meter box of the present invention;
in the figure: the fire-fighting monitoring and alarming device comprises a monitoring alarming device 1, a temperature sensor 11, a flame monitor 12, a PCBA board 13, a microcontroller module 131, an image data storage module 132, a temperature data storage module 133, a temperature indication module 134, a fire alarming module 135, an NB-IoT wireless transmission module 136, a temperature indication lamp 14, a green lamp 141, a primary acousto-optic alarming lamp 142, a secondary acousto-optic alarming lamp 143, a tertiary acousto-optic alarming lamp 144, a fire acousto-optic alarming lamp 15, a protective cover 16, a control system 2, an NB-IoT base station 21, an OneNET thing cloud platform 22, a fire control rear end 23, a fire extinguishing device 3, a fire extinguisher 31 and a heat-sensitive wire 32.
Detailed Description
The invention will be further elucidated with reference to the accompanying figures 1-5 and the specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The temperature monitoring and fire alarm device of the centralized meter box with the structure shown in figures 1, 2, 3, 4 and 5 comprises a monitoring alarm device 1 arranged in the centralized meter box and a control system 2 arranged outside the centralized meter box; the monitoring alarm device 1 comprises a temperature sensor 11, a flame monitor 12, a PCBA board 13, a plurality of temperature indicating lamps 14 and a fire acousto-optic alarm lamp 15, wherein the temperature sensor 11, the flame monitor 12, the plurality of temperature indicating lamps 14 and the fire acousto-optic alarm lamp 15 are all arranged on the front surface of the PCBA board 13, the PCBA board 13 is arranged in the centralized meter box, and the back surface of the PCBA board is fixedly connected with the centralized meter box; the PCBA board 13 is provided with a microcontroller module 131, an image data storage module 132, a temperature data storage module 133, a temperature indication module 134, a fire alarm module 135 and an NB-IoT wireless transmission module 136, wherein the microcontroller module 131 is respectively connected with the temperature sensor 11, the flame monitor 12, the plurality of temperature indication lamps 14, the fire acousto-optic alarm lamp 15, the image data storage module 132, the temperature data storage module 133, the temperature indication module 134 and the fire alarm module 135; the microcontroller module 131 is in serial communication with the NB-IoT wireless transmission module 136 and accesses the NB-IoT network through the NB-IoT wireless transmission module 136, so as to implement transmission communication with the control system 2.
Furthermore, a fire extinguishing device 3 is included, which is arranged in the central meter box.
Further, the fire extinguishing apparatus 3 comprises a fire extinguisher 31, a heat sensitive wire 32; the fire extinguisher 31 is arranged in the centralized meter box and is used for spraying fire extinguishing dry powder to extinguish a fire source; the number of the thermosensitive wires 32 is several, the thermosensitive wires 32 are uniformly distributed in the centralized meter box, one end of each thermosensitive wire 32 is connected with a hot starting interface of the fire extinguisher 31, and when the thermosensitive wires 32 contact with flames or the contact temperature exceeds 170 ℃, the fire extinguisher 31 is started through the combustion of the thermosensitive wires 32.
Further, the temperature indicator lamp 14 includes a green lamp 141, a primary sound and light warning lamp 142, a secondary sound and light warning lamp 143, and a tertiary sound and light warning lamp 144.
Further, the temperature sensor 11 is a K-index thermocouple, and the flame monitor 12 is an OV5640 camera.
Further, monitoring alarm device 1 still includes safety cover 16, safety cover 16 passes through the fixed mode of block or screw to be fixed in the front of PCBA board 13, offer the trompil 161 that supplies temperature sensor 11, flame monitor 12, a plurality of temperature indicator 14, fire reputation alarm lamp 15 to stretch out on the safety cover 16.
Further, the control system 2 includes an NB-IoT base station 21, an OneNET internet of things cloud platform 22, and a fire control back end 23; the temperature monitoring data and the flame monitoring image data of the monitoring alarm device 1 of each centralized meter box are accessed to an NB-IoT network through an NB-IoT wireless transmission module 136, and are in network communication with the OneET internet of things cloud platform 22 through an NB-IoT base station 21, and the OneET internet of things cloud platform 22 is in network communication with the fire control back end 23.
Example 1
Based on the above structural basis, as shown in fig. 1 and 4.
Temperature monitoring and fire alarm device, including setting up at the control alarm device 1 of concentrating the table incasement and setting up at the outer control system 2 of concentrating the table case for concentrate table incasement portion's temperature and the real time monitoring of conflagration, report to the police.
The temperature sensor 11 collects temperature data inside the centralized meter box in real time, the flame monitor 12 collects flame images of monitoring points inside the centralized meter box in real time, the image data storage module 132 and the temperature data storage module 133 are respectively used for storing the collected flame image data and the temperature data, so that the microcontroller module 131 can process and identify the collected flame images and the temperature data, the temperature indication module 134 and the fire alarm module 135 are used for warning of different temperature conditions of the temperature indication lamp 14, the fire acousto-optic alarm lamp 15 performs fire output alarm when a fire occurs, the microcontroller module 131 realizes transmission communication with the NB-IoT wireless transmission module 136 through serial ports, the NB-IoT wireless transmission module 136 transmits the collected flame images and the temperature data to the external control system 2, the control system 2 can conveniently determine the conditions and the positions of the centralized meter box, then the centralized information is transmitted to relevant responsible persons through the modes of telephone, short messages, weChat (including positioning maps) and the like, the maintenance personnel can conveniently arrive as soon as possible, the temperature, the fire alarm conditions can be monitored, warned and notified in real time, and the safety of the centralized meter box is improved.
Example 2
Based on the above structural basis of embodiment 1, as shown in fig. 1, 2, and 4.
Concentrate temperature monitoring and fire alarm device of table case, temperature indicator 14 includes green lamp 141, one-level reputation warning lamp 142, second grade reputation warning lamp 143, tertiary reputation warning lamp 144. When the temperature in the centralized meter box is in a normal temperature condition, the green lamp 141 is turned on, and other lamps are turned off; when the temperature in the centralized meter box is at a first preset threshold (for example, 40 ℃), the primary acousto-optic warning lamp 142 is turned on, and other lamps are turned off; when the temperature in the centralized meter box is at a second preset threshold (for example, 80 ℃), the secondary acousto-optic warning lamp 143 lights up, and other lamps turn off; when the temperature in the concentration meter box is at a third preset threshold (for example 110 ℃), the three-stage acousto-optic warning lamp 144 is turned on, and other lamps are turned off.
Furthermore, the protective cover 16 is fixed on the front surface of the PCBA board 13 by means of fastening or fixing with screws, and by providing the protective cover 16, damage to the PCBA board 13 by foreign objects can be avoided.
Example 3
Based on the structure foundation of embodiment 1 or embodiment 2, as shown in fig. 1, 2 and 4.
Concentrate temperature monitoring and fire alarm device of table case, temperature sensor 11 adopts K graduation thermocouple, flame monitor 12 adopts OV5640 camera. The OV5640 camera is a CMOS camera, has 500 ten thousand pixel images, supports automatic continuous focusing of the images, is embedded with an image processing chip, supports the translation, scaling and windowing setting of the images, controls through an SCCB standard bus, can output 8-bit or 10-bit image data with different sizes, and can meet the fire monitoring requirement of a centralized meter box.
Example 4
The basic structure of embodiment 1, embodiment 2 or embodiment 3 is as shown in fig. 1, 2, 3 and 4.
Concentrate temperature monitoring and fire alarm device of table case, institute still including setting up extinguishing device 3 at concentrating the table incasement. The fire extinguishing device 3 includes a fire extinguisher 31 and a heat sensitive wire 32. The fire extinguisher 31 may be a non-pressure storage type ultrafine dry powder fire extinguisher having injection ports at both ends thereof for spraying fire extinguishing dry powder into the concentrated meter box to extinguish a fire source, generally, such a fire extinguisher 31 may be provided with an electric start line and a state feedback signal line, the electric start line and the state feedback signal line are respectively connected with the microcontroller module 131, so that the microcontroller module 131 may control the start of the fire extinguisher 31, and the start signal is fed back to the microcontroller module 131 through the state feedback signal line after the fire extinguisher 31 is started. The heat-sensitive wire 32 is used to contact the ambient temperature as well as the fire source, and when the heat-sensitive wire 32 is exposed to a flame or the contact temperature exceeds 170 ℃, the fire extinguisher 31 is activated by the combustion of the heat-sensitive wire 32.
Through the design, when the temperature indicator lamp 13, the acousto-optic alarm lamp for fire hazard 15 and the control system 2 are not noticed or the maintenance personnel do not arrive in the same situation, the fire extinguisher 31 can initially extinguish the fire source in the concentrated meter box at the initial stage of fire, and the occurrence of serious fire hazard to the safety of residents is avoided.
Example 5
Based on the above structural basis of embodiment 1, embodiment 2, embodiment 3 or embodiment 4, as shown in fig. 1, 2, 3, 4 and 5.
The utility model discloses a temperature monitoring and fire alarm device of concentrated table case, control system 2 includes NB-IoT basic station 21, oneNet thing allies oneself with cloud platform 22, fire control rear end 23; the temperature monitoring data and the flame monitoring image data of the monitoring alarm device 1 of each centralized meter box are accessed to an NB-IoT network through an NB-IoT wireless transmission module 136, and are in network communication with the OneET internet of things cloud platform 22 through an NB-IoT base station 21, and the OneET internet of things cloud platform 22 is in network communication with the fire control back end 23.
The NB-IoT technology is one of low-power-consumption wide area network technologies, has the advantages of lower power consumption, wider coverage range, larger connection capacity and the like compared with short-distance wireless transmission technologies such as Bluetooth, zigBee and the like, and is suitable for long-distance and large-range networking occasions. And the NB-IoT base station 21 is deployed by the network operator, so that the user does not need to build a complex network architecture. The temperature sensor 11 of the monitoring alarm device 1 of each centralized meter box and the temperature monitoring data and flame monitoring image data collected by the flame monitor 12 can be accessed to an NB-IoT network through an NB-IoT wireless transmission module 136, the transmission communication with the OneET Internet of things cloud platform 22 is realized through an NB-IoT base station 21, the temperature monitoring data and the flame monitoring image data of the monitoring alarm device 1 of each centralized meter box are received and stored through the OneET Internet of things cloud platform 22, and a user can check the condition of the monitoring alarm device of each centralized meter box at any time and perform corresponding processing through monitoring a fire control rear end 3 (a computer, a mobile phone terminal) and the like.
It should be emphasized that, in the present invention, embodiment 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, the temperature sensor 11, the flame monitor 12, the PCBA board 13, the microcontroller module 131, the image data storage module 132, the temperature data storage module 133, the temperature indication module 134, the fire alarm module 135, the NB-IoT wireless transmission module 136, the NB-IoT base station 21, the enonet internet of things cloud platform 22, the fire control rear end 23, the fire extinguisher 31, the heat sensitive wire 32, etc. adopt the finished products in the prior art, and the model, the specific structure, the specific installation position and the connection mode are the model, the specific structure, the specific installation position and the connection mode known by the technicians in the field, and the structure and the principle thereof are all known by the technicians through technical manuals or through the conventional experimental methods, which does not affect the implementation of the technical solution of the present invention.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.
Claims (7)
1. A temperature monitoring and fire alarm device of a centralized meter box is characterized by comprising a monitoring alarm device (1) arranged in the centralized meter box and a control system (2) arranged outside the centralized meter box; the monitoring alarm device (1) comprises a temperature sensor (11), a flame monitor (12), a PCBA board (13), a plurality of temperature indicating lamps (14) and a fire acousto-optic alarm lamp (15), wherein the temperature sensor (11), the flame monitor (12), the plurality of temperature indicating lamps (14) and the fire acousto-optic alarm lamp (15) are all arranged on the front surface of the PCBA board (13), the PCBA board (13) is arranged in the concentrated meter box, and the back surface of the PCBA board is fixedly connected with the concentrated meter box; the PCBA board (13) is provided with a microcontroller module (131), an image data storage module (132), a temperature data storage module (133), a temperature indication module (134), a fire alarm module (135) and an NB-IoT wireless transmission module (136), and the microcontroller module (131) is respectively connected with the temperature sensor (11), the flame monitor (12), the temperature indication lamps (14), the fire acousto-optic alarm lamp (15), the image data storage module (132), the temperature data storage module (133), the temperature indication module (134) and the fire alarm module (135) mutually; the microcontroller module (131) is in serial communication with the NB-IoT wireless transmission module (136) and accesses the NB-IoT network through the NB-IoT wireless transmission module (136) to realize transmission communication with the control system (2).
2. Temperature monitoring and fire alarm arrangement of a concentrated meter box according to claim 1, characterized in that it further comprises fire extinguishing means (3) arranged inside the concentrated meter box.
3. Temperature monitoring and fire alarm device of a centralized meter box according to claim 2, characterized in that the fire extinguishing means (3) comprises a fire extinguisher (31), a heat sensitive wire (32); the fire extinguisher (31) is arranged in the centralized meter box and is used for spraying fire extinguishing dry powder to extinguish a fire source; the fire extinguisher is characterized in that the number of the thermosensitive wires (32) is multiple, the thermosensitive wires (32) are uniformly distributed in the centralized meter box, one end of each thermosensitive wire (32) is connected with a hot start interface of the fire extinguisher (31), and when the thermosensitive wires (32) are in contact with flame or the contact temperature exceeds 170 ℃, the fire extinguisher (31) is started through combustion of the thermosensitive wires (32).
4. Temperature monitoring and fire alarm device of a centralized meter box according to claim 1, characterized in that the temperature indicating lamp (14) comprises a green lamp (141), a primary acousto-optic warning lamp (142), a secondary acousto-optic warning lamp (143), a tertiary acousto-optic warning lamp (144).
5. Temperature monitoring and fire alarm device of a centralized meter box according to claim 1, characterised in that the temperature sensor (11) uses a K-index thermocouple and the flame monitor (12) uses an OV5640 camera.
6. The temperature monitoring and fire alarm device of the centralized meter box according to claim 1, characterized in that the monitoring alarm device (1) further comprises a protective cover (16), the protective cover (16) is fixed on the front surface of the PCBA board (13) through a clamping or screw fixing mode, and the protective cover (16) is provided with an opening (161) for the temperature sensor (11), the flame monitor (12), the temperature indicator lamps (14) and the fire acousto-optic alarm lamp (15) to extend out.
7. The temperature monitoring and fire alerting device of a centralized meter box according to claim 1, characterized in that the control system (2) comprises an NB-IoT base station (21), an OneNET internet of things cloud platform (22), a fire control back end (23); temperature monitoring data and flame monitoring image data of the monitoring alarm device (1) of each centralized meter box are accessed to an NB-IoT network through an NB-IoT wireless transmission module (136), network communication is carried out between an NB-IoT base station (21) and an OneET thing networking cloud platform (22), and the OneET thing networking cloud platform (22) is in network communication with a fire control rear end (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221907947.7U CN217955215U (en) | 2022-07-21 | 2022-07-21 | Temperature monitoring and fire alarm device of centralized meter box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221907947.7U CN217955215U (en) | 2022-07-21 | 2022-07-21 | Temperature monitoring and fire alarm device of centralized meter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217955215U true CN217955215U (en) | 2022-12-02 |
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| CN202221907947.7U Active CN217955215U (en) | 2022-07-21 | 2022-07-21 | Temperature monitoring and fire alarm device of centralized meter box |
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| Country | Link |
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| CN (1) | CN217955215U (en) |
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2022
- 2022-07-21 CN CN202221907947.7U patent/CN217955215U/en active Active
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