CN210295346U - Fire detection device and system - Google Patents
Fire detection device and system Download PDFInfo
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- CN210295346U CN210295346U CN201921081245.6U CN201921081245U CN210295346U CN 210295346 U CN210295346 U CN 210295346U CN 201921081245 U CN201921081245 U CN 201921081245U CN 210295346 U CN210295346 U CN 210295346U
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Abstract
The utility model provides a fire detection device and system, include: the device comprises at least one temperature sensor, a controller, a touch screen, a first current transformer and a wireless module; the touch screen is electrically connected with the controller, the temperature sensor is electrically connected with an analog quantity interface of the controller, the temperature sensor is electrically connected with the analog quantity interface of the controller, and the wireless module is electrically connected with the controller. Based on the utility model discloses, but the conflagration condition at real-time detection scene can carry out the human-computer interaction at any time, the temperature condition of inquiry temperature sensor position, and whether have the electric leakage situation in the circuit.
Description
Technical Field
The utility model relates to a fire detection field, in particular to fire detection device and system.
Background
China is a country with multiple electrical fires, and since the end of the 20 th century, the frequency of the electrical fires always accounts for the first of various fires, is close to 30% of the total number of the fires, and the loss accounts for more than 50% of the total loss of the fires and is always high. In addition, in foreign countries, for example, in the uk, the number of electrical fires is only 17% of the total number of fires, in the united states, 10% of the total number of fires, and in japan, 13% of the total number of fires, which indicates that the rate of electrical fires in china is high and is far from the developed countries.
Therefore, the fire detection device can detect the fire in time and is very important, the existing fire detection device is difficult to upgrade, the communication interface is single, most of the communication interfaces are 485 communication interfaces, the man-machine interaction is difficult, and historical fault records cannot be consulted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a fire detection device can detect the on-the-spot conflagration condition in real time, can carry out the human-computer interaction at any time, the temperature condition of inquiry temperature sensor position, and whether there is the electric leakage situation in the circuit.
The utility model discloses a first embodiment provides a fire detection device, include: the device comprises at least one temperature sensor, a controller, a touch screen, a first current transformer and a wireless module;
the touch screen is electrically connected with the controller, the first current transformer is electrically connected with an analog quantity interface of the controller, the temperature sensor is electrically connected with the analog quantity interface of the controller, and the wireless module is electrically connected with the controller.
Preferably, the method further comprises the following steps: the second current transformer and the electric energy metering chip are arranged on the shell;
the second current transformer is electrically connected with the electric energy metering chip, and the electric energy metering chip is electrically connected with the controller.
Preferably, the electric energy metering chip is electrically connected with the controller in an SP I mode.
Preferably, the temperature sensor is implemented by an NTC temperature probe, model No. TPS 190625-63.
Preferably, the method further comprises the following steps: a buzzer;
the buzzer is electrically connected with the output end of the controller.
Preferably, the method further comprises the following steps: an LED indicator light;
the LED indicating lamp is electrically connected with the output end of the controller, wherein the LED indicating lamp comprises an operation indicating lamp, a communication indicating lamp, a fault indicating lamp, an alarm indicating lamp and a silencing indicating lamp.
Preferably, the chip model of the controller is STM32F103 VE.
Preferably, the wireless module is a LORA wireless communication module. The self-networking is convenient, and the addition of the existing LORA network is simpler.
A second embodiment of the present invention provides a fire detection system, which includes a mobile terminal and any one of the fire detection devices described above, where the mobile terminal is used to receive alarm information of the fire detection device in real time by communicating with the wireless module.
Based on the utility model relates to a fire detection device sets up temperature sensor through the place that detects the condition of a fire at needs, and real-time detection site temperature's size is higher than the setting value and surpass the settlement time when the temperature, reports to the police, passes to detection device with current information through current transformer in three-phase circuit for zero sequence circuit among the real-time detection three-phase circuit, when zero sequence current appears the electric leakage, leakage current is higher than the setting value and surpasss the settlement time, reports to the police.
Drawings
Fig. 1 is a schematic view of a fire detection device according to a first embodiment of the present invention;
fig. 2 is a schematic view of a touch interface according to a first embodiment of the present invention;
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
The utility model discloses a fire detection device can detect the on-the-spot conflagration condition in real time, can carry out the human-computer interaction at any time, the temperature condition of inquiry temperature sensor position, and whether there is the electric leakage situation in the circuit.
Referring to fig. 1, a first embodiment of the present invention provides a fire detection device, including: the device comprises at least one temperature sensor 3, a controller 1, a touch screen 2, a first current transformer 4 and a wireless module 7;
the touch screen 2 is electrically connected with the controller 1, the first current transformer 4 is electrically connected with an analog interface of the controller 1, the temperature sensor 3 is electrically connected with the analog interface of the controller 1, and the wireless module 7 is electrically connected with the controller 1. It should be noted that the number of the temperature sensors 3 may be set according to the situation of the field, the controller 1 may address the temperature sensors 3, the temperature situation of each temperature sensor may be seen on the touch screen 2 in real time, and when the temperature of the temperature sensor 3 exceeds a preset value, an alarm is started.
In addition, in the three-phase four-wire system circuit, the vector sum of the three-phase current is equal to zero, a current transformer (namely the first current transformer 4) is connected into the three-phase three-wire system, at this time, the induced current is zero, when electric shock or electric leakage occurs in the circuit, the vector sum of the three-phase current is not equal to zero, an induced current appears in the coil at the secondary side of the current transformer, the analog quantity interface of the controller 1 receives the current generated at the secondary side of the first current transformer 4, displays the current in the touch screen 2 and gives a corresponding alarm, and the alarm interface is shown in fig. 2.
In this embodiment, the method further includes: a second current transformer 5 and an electric energy metering chip 6;
the second current transformer 5 is electrically connected with the electric energy metering chip 6, and the electric energy metering chip 6 is electrically connected with the controller 1. It should be noted that the second current transformer 5 is electrically connected to the three-phase circuit and the electric energy metering chip 6, and is configured to detect three-phase alternating current, determine whether three-phase voltage is overvoltage or undervoltage, and determine whether three-phase current is overcurrent, and when a voltage value in the circuit is greater than or less than a preset value, the controller outputs a corresponding electric signal to alarm. And when the current is greater than the threshold value and exceeds the preset time, alarming.
In this embodiment, the electric energy metering chip 6 is electrically connected to the controller 1 by means of SPI. It should be noted that in other embodiments, I may be also2The means C is electrically connected to the controller 1, which is not limited in this embodiment, but these solutions are all within the scope of the present invention.
In the present embodiment, the temperature sensor 3 is implemented by using an NTC temperature probe, and the model is TPS 190625-63. It should be noted that, in other embodiments, other types of detectors may also be used for detecting, and the detectors may be correspondingly connected to the controller 1 according to different circuit structures, which is not specifically limited herein, but these schemes are all within the protection scope of the present invention.
In this embodiment, the method further includes: a buzzer 8; the buzzer 8 is electrically connected with the output end of the controller 1. It should be noted that the buzzer 8 may receive the electrical signal of the controller through a relay or an amplifying circuit, so that when the controller 1 sends an alarm electrical signal, the buzzer is attracted or conducted, so that the buzzer loop is conducted, an alarm is sent, and an operation and maintenance worker on the site is notified to process a dangerous situation, the device may also detect the connection state of the temperature sensor 3 and the first current transformer 4, if the temperature sensor 3 or the first current transformer 4 is not connected on line, the device can detect, the buzzer 8 may also send a sound signal, when an alarm is given, the buzzer 8 sounds for a long time, and when a fault occurs, the buzzer 8 stops sounding of a drop.
In this embodiment, the method further includes: an LED indicator light 9; the LED indicating lamp 9 is electrically connected with the output end of the controller 1, wherein the LED indicating lamp 9 comprises an operation indicating lamp, a communication indicating lamp, a fault indicating lamp, an alarm indicating lamp and a silencing indicating lamp. It should be noted that, when the power-on operation of the device is normal, the operation indicator lamp is turned on, when communication is performed, the communication indicator lamp is turned on, when the temperature sensor 3 and the first current transformer 4 have a fault, the fault indicator lamp is turned on, when an alarm occurs, the alarm indicator lamp is turned on, and when the buzzer 8 operates, it is considered that the noise is reduced, the noise reduction indicator lamp is turned on.
In the present embodiment, the chip model of the controller 1 is STM32F103 VE. It should be noted that, in other embodiments, the chip model of the controller 1 may also be another model, and is not limited herein.
In this embodiment, wireless module 7 is the wireless communication module of LORA, and it should be explained that the wireless communication module of LORA can carry out remote low-power consumption and communicate, and the network deployment from network to network is convenient, and it is comparatively simple to add current LORA network. Of course, in other embodiments, the wireless module 7 may also be an NB-IOT wireless communication module for communicating with a terminal, which is not limited herein, but these solutions are all within the scope of the present invention.
A second embodiment of the present invention provides a fire detection system, which includes a mobile terminal and any one of the fire detection devices described above, where the mobile terminal is used to receive alarm information of the fire detection device in real time by communicating with the wireless module. It should be noted that a plurality of fire detection devices can be organized by network through LORA wireless communication module, and the network is convenient, and a plurality of detection devices can be visited by mobile terminal or terminal, and a plurality of detection devices can unify data management, can carry out remote upgrade.
Based on the utility model relates to a fire detection device sets up temperature sensor through the place that detects the condition of a fire at needs, and real-time detection site temperature's size is higher than the setting value and surpass the settlement time when the temperature, reports to the police, passes to detection device with current information through current transformer in three-phase circuit for zero sequence circuit among the real-time detection three-phase circuit, when zero sequence current leakage appears, leakage current is higher than the setting value and surpasss the settlement time when unusual, reports to the police.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (8)
1. A fire detection device, comprising: the system comprises at least one temperature sensor, a controller, a touch screen, a first current transformer, a wireless module, a second current transformer and an electric energy metering chip;
the touch screen is electrically connected with the controller, the first current transformer is electrically connected with an analog quantity interface of the controller, the temperature sensor is electrically connected with the analog quantity interface of the controller, the wireless module is electrically connected with the controller, the second current transformer is electrically connected with the electric energy metering chip, and the electric energy metering chip is electrically connected with the controller.
2. A fire detection device as claimed in claim 1 wherein the power metering chip is electrically connected to the controller by means of the SPI.
3. A fire detection device as claimed in claim 1 wherein the temperature sensor is implemented using an NTC temperature probe, of the type TPS 190625-63.
4. A fire detection device as claimed in claim 1, further comprising: a buzzer;
the buzzer is electrically connected with the output end of the controller.
5. A fire detection device as claimed in claim 1, further comprising: an LED indicator light;
the LED indicating lamp is electrically connected with the output end of the controller, wherein the LED indicating lamp comprises an operation indicating lamp, a communication indicating lamp, a fault indicating lamp, an alarm indicating lamp and a silencing indicating lamp.
6. A fire detection device as claimed in claim 1 wherein the controller is of the chip type STM32F103 VE.
7. A fire detection device as claimed in claim 1 wherein the wireless module is a LORA wireless communication module.
8. A fire detection system, comprising a mobile terminal and a fire detection device as claimed in any one of claims 1 to 7, wherein the mobile terminal is used for receiving alarm information of the fire detection device in real time by communicating with the wireless module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081245.6U CN210295346U (en) | 2019-07-11 | 2019-07-11 | Fire detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081245.6U CN210295346U (en) | 2019-07-11 | 2019-07-11 | Fire detection device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210295346U true CN210295346U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081245.6U Active CN210295346U (en) | 2019-07-11 | 2019-07-11 | Fire detection device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210295346U (en) |
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2019
- 2019-07-11 CN CN201921081245.6U patent/CN210295346U/en active Active
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Address after: 361024 3f-a129, Zone C, innovation building, software park, torch high tech Zone, Xiamen City, Fujian Province Patentee after: XIAMEN FOUR-FAITH COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: Unit 501-502, 57 Chengyi North Street, Xiamen Software Park Phase III, Fujian Province Patentee before: XIAMEN FOUR-FAITH COMMUNICATION TECHNOLOGY Co.,Ltd. |