CN219872533U - Combined electric fire detector - Google Patents
Combined electric fire detector Download PDFInfo
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- CN219872533U CN219872533U CN202320947919.6U CN202320947919U CN219872533U CN 219872533 U CN219872533 U CN 219872533U CN 202320947919 U CN202320947919 U CN 202320947919U CN 219872533 U CN219872533 U CN 219872533U
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- alarm
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
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- 238000009434 installation Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 3
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- 230000004048 modification Effects 0.000 description 4
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- 229920000915 polyvinyl chloride Polymers 0.000 description 1
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Abstract
The utility model discloses a combined electric fire detector, which comprises a sensor, a detector and an electric fire monitoring system, wherein the detector is connected with the sensor through terminal plugging or fixing seat bolt fastening, and the detector is connected with the electric fire monitoring system through a Powerbus; the sensor comprises a residual current detection sensor and a temperature detection sensor, a circuit board is arranged on the detector, the circuit board comprises a controller and an alarm, and the controller is respectively connected with the residual current detection sensor, the temperature detection sensor and the alarm. The utility model has strong functions and strong compatibility, can be used singly and in networking and is matched with a large-scale electric fire monitoring system; the response, alarm and display are faster and timely; the volume is small, the device is suitable for field installation, and the device is attractive and exquisite.
Description
Technical Field
The utility model relates to the technical field of electric fire detection and monitoring, and particularly discloses a combined electric fire detector.
Background
The electric fire monitoring detector is a detector for detecting the change of electric fire dangerous parameters such as residual current, temperature and the like in a protected circuit, and is suitable for being used in factories, large-scale storehouses, offices, commercial buildings, hotels, residences, entertainment places and other places with complicated circuits, wherein the occurrence probability of the electric fire is the largest. The existing electric fire monitoring detector adopts the traditional RS-485 bus communication, and uses an old nixie tube LED screen to display numbers and simple letters; and typically has only a single function of residual current monitoring or temperature monitoring.
Therefore, the above-mentioned defects of the existing electrical fire monitoring detector are technical problems to be solved.
Disclosure of Invention
The utility model provides a combined electric fire detector, which aims to solve the problems that the traditional RS-485 bus communication is adopted, an old nixie tube LED screen is used, and numbers and simple letters are displayed; and the function generally has the technical problem of single function of residual current monitoring or temperature monitoring.
The utility model relates to a combined electric fire detector, which comprises a sensor, a detector and an electric fire monitoring system, wherein the detector is connected with the sensor through terminal plugging or fixing seat bolt fastening, and the detector is connected with the electric fire monitoring system through a Powerbus; the sensor comprises a residual current detection sensor and a temperature detection sensor, a circuit board is arranged on the detector, the circuit board comprises a controller and an alarm, and the controller is respectively connected with the residual current detection sensor, the temperature detection sensor and the alarm.
Further, the residual current detection sensor adopts a residual current transformer.
Further, the model of the controller is CKS32F103RCT6 or STM32F103RCT6.
Further, the alarm comprises a green indicator light, a red indicator light, a yellow indicator light and a buzzer.
Further, an external interface for connecting with an external power supply is arranged on the circuit board.
Further, a signal interface for connecting with the current detection sensor, the temperature detection sensor and the smoke detection sensor is arranged on the circuit board.
Further, the circuit board is provided with a communication interface for being connected with the host.
Further, a display panel is arranged on the outer housing of the detector, a display screen and control keys are arranged on the display panel, and the controller is respectively connected with the display screen and the control keys.
Further, the twisted pair adopts a ZR-RVSP twisted pair.
The beneficial effects obtained by the utility model are as follows:
the utility model provides a combined electric fire detector which comprises a sensor, a detector and an electric fire monitoring system, wherein the detector is connected with the sensor through terminal plugging or fixing seat bolt fastening, and the detector is connected with the electric fire monitoring system through a Powerbus; the sensor comprises a residual current detection sensor and a temperature detection sensor, a circuit board is arranged on the detector, the circuit board comprises a controller and an alarm, and the controller is respectively connected with the residual current detection sensor and the temperature detection sensor and the alarm and is used for receiving detection signals detected by the residual current detection sensor and the temperature detection sensor and controlling the alarm to carry out audible and visual alarm. The combined electric fire detector provided by the utility model has strong functions and compatibility, can be used singly and in a networking way, and can be used in combination with a large electric fire monitoring system; the response, alarm and display are faster and timely; the volume is small, the device is suitable for field installation, and the device is attractive and exquisite.
Drawings
FIG. 1 is a functional block diagram of one embodiment of a modular electrical fire detector provided by the present utility model;
fig. 2 is a schematic circuit diagram of a circuit board in the combined electric fire detector according to the present utility model.
Reference numerals illustrate:
20. a detector; 30. an electrical fire monitoring system; 11. a residual current detection sensor; 12. a temperature detection sensor; 21. a controller; 22. an alarm.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a first embodiment of the present utility model provides a combined electrical fire detector, which includes a sensor, a detector 20, and an electrical fire monitoring system 30, wherein the detector 20 is connected with the sensor by terminal plugging or fixing base bolt fastening, and the detector 20 is connected with the electrical fire monitoring system 30 by a Powerbus bus; the sensor comprises a residual current detection sensor 11 and a temperature detection sensor 12, a circuit board is arranged on the detector, the circuit board comprises a controller 21 and an alarm 22, and the controller 21 is respectively connected with the residual current detection sensor 11, the temperature detection sensor 12 and the alarm 22 and is used for receiving detection signals detected by the residual current detection sensor 11 and the temperature detection sensor 12 and controlling the alarm 22 to carry out audible and visual alarm. In this embodiment, the controller 21 may employ a single-chip microcomputer. Preferably, the controller 21 is of model CKS32F103RCT6 or STM32F103RCT6. The residual current detection sensor 11 employs a residual current transformer. The twisted pair adopts ZR-RVSP (flame-retardant insulated polyvinyl chloride twisted pair braided shielding flexible wire cable) twisted pair.
In the above-mentioned structure, please refer to fig. 1 and 2, the combined electrical fire detector provided in this embodiment, the alarm 22 includes a green indicator light, a red indicator light, a yellow indicator light and a buzzer. The green indicator lamp is used for displaying normal operation, and the yellow indicator lamp is used for displaying fault information; the red indicator light is used for displaying alarm information. The buzzer is used for giving alarm sounds with different rhythms or contents to different alarm contents and fault contents. The circuit board is provided with an external interface for connecting with an external power supply, a signal interface for connecting with the residual current detection sensor 11 and the temperature detection sensor 12, and a communication interface for connecting with a host. The outer casing of the detector 20 is provided with a display panel, a display screen and control keys are arranged on the display panel, and the controller 21 is respectively connected with the display screen and the control keys. The display screen is used for displaying the local parameters or real-time information. The control key comprises a setting key, a silencing key, a resetting key, a self-checking key and a sign-in key, and is used for setting parameters, silencing, resetting, self-checking and sign-in.
As shown in fig. 1 and 2, the working principle of the combined electrical fire detector provided in this embodiment is as follows:
the combined electric fire detector adopts an embedded design, adopts Powerbus bus communication, adopts a fixed seat bolt fastening connection mode, and is connected with the sensor through terminal grafting or fixed seat bolt fastening. If the system is connected into a complete set of electric fire monitoring system for use, the detector is connected with the electric fire monitoring system through a ZR-RVSP twisted pair; the device can also be independently used for detecting the electric fire in a certain scene.
The detector 20 belongs to an embedded terminal capable of independently processing signals, and consists of an outer housing, an STM32 processor, a circuit board, an interface, a display screen, a bottom shell, a buckle, an indicator lamp, a buzzer and the like, wherein the detector can judge and process signals, such as abnormality, alarm and maintenance, and is displayed by the indicator lamp of the detector body, and the normal operation display is green, the alarm display is red and the fault display is yellow; the detector 20 is designed with a reserved interface, can be externally connected with a residual current transformer, a temperature detection sensor 12 and an infrared sensor, and is respectively used for current monitoring, temperature monitoring and smoke monitoring, and terminal plugging is performed by using a fixed slot mode. The buzzer can respond to different alarm contents and fault contents and give alarm sounds with different rhythms or contents.
The external interfaces of the circuit board of the combined electric fire detector are 3 groups, wherein 1 group is an external power supply access port connected by terminal plugging or fixing seat bolting, and when the detector is independently used or connected into the existing electric fire monitoring system 30, the detector is used as a power supply access reserved interface. The signal interfaces are 5 groups, and comprise 1 group of current transformer interfaces, 3 groups of temperature sensor interfaces and 1 group of infrared sensor interfaces, which are respectively used for being connected with the current transformer, the temperature sensor and the infrared sensor, and are connected by adopting terminal plugging or fixing seat bolt fastening. The communication interface is 2 groups, adopts terminal grafting or fixing base bolt-up connection, including 1 group RS485 interface for communication connection when compatible current electric fire monitoring system 30, 1 group Powerbus communication interface for communication connection when inserting electric fire monitoring system 30, when adopting combination formula electric fire monitoring system, communication interface is used for power supply and communication.
The display panel on the outer shell of the detector comprises a 1.5 inch OLED (Organic Light-Emitting Diode) display screen, an operation condition indicator lamp (including state display such as operation, alarm, fault, noise reduction and communication), and a control key (including keys such as setting, noise reduction, reset, self-checking and sign-in), wherein the display content of the display screen is local parameters or real-time information; the check-in key is used for checking in and monitoring the patrol personnel, and pressing the key stores the automatic recording time in the detector.
The combined electric fire detector can perform small-batch networking operation through a Powerbus communication interface in the communication interface, one detector is selected to be used as a main control computer during networking, and the abnormal information content is stored by using a storage unit D9 of an STM32 processor U1 of the detector. The operation conditions and abnormal conditions of all the detectors in the networking can be collected through the self-checking keys.
Compared with the prior art, the combined electric fire detector provided by the embodiment adopts the sensor, the detector and the electric fire monitoring system, wherein the detector and the sensor are connected through terminal plugging or fixing seat bolt fastening, and the detector and the electric fire monitoring system are connected through a Powerbus; the sensor comprises a current detection sensor, a temperature detection sensor and a smoke detection sensor, a circuit board is arranged on the detector, the circuit board comprises a controller and an alarm, and the controller is respectively connected with the current detection sensor, the temperature detection sensor, the smoke detection sensor and the alarm and is used for receiving detection signals detected by the current detection sensor, the temperature detection sensor and the smoke detection sensor and controlling the alarm to carry out audible and visual alarm. The combined electric fire detector provided by the embodiment has strong functions and compatibility, can be used singly and in a networking way, and can be used in combination with a large electric fire monitoring system; the response, alarm and display are faster and timely; the volume is small, the device is suitable for field installation, and the device is attractive and exquisite; the Powerbus is a direct-current low-voltage carrier communication technology, the detector does not need to take electricity locally, and the monitoring system supplies power uniformly, so that the trouble of inconvenience in taking electricity locally is solved, and the installation is simplified; the detector is provided with the check-in button, so that the problem that a record book needs to be written in the past manual inspection is solved ingeniously, the detector is simple and cannot be cheated, and the inspection reliability is ensured.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The combined type electric fire disaster detector is characterized by comprising a sensor, a detector (20) and an electric fire disaster monitoring system (30), wherein the detector is connected with the sensor through terminal plugging or fixing seat bolt fastening, and the detector (20) is connected with the electric fire disaster monitoring system (30) through a Powerbus; the sensor comprises a residual current detection sensor (11) and a temperature detection sensor (12), a circuit board is arranged on the detector (20), the circuit board comprises a controller (21) and an alarm (22), and the controller (21) is respectively connected with the residual current detection sensor (11), the temperature detection sensor (12) and the alarm (22).
2. A modular electrical fire detector as claimed in claim 1, characterised in that the residual current detection sensor (11) is a residual current transformer.
3. A modular electrical fire detector as claimed in claim 1, wherein the controller (21) is of the CKS32F103RCT6 or STM32F103RCT6 type.
4. A combined electrical fire detector according to claim 1, wherein the alarm (22) comprises a green indicator light, a red indicator light, a yellow indicator light and a buzzer, and the controller (21) is connected to the green indicator light, the red indicator light, the yellow indicator light and the buzzer, respectively.
5. The combination electric fire detector of claim 1 wherein the circuit board is provided with an external interface for connection to an external power source.
6. A combined electrical fire detector according to claim 1, wherein the circuit board is provided with a signal interface for connecting with the residual current detection sensor (11) and the temperature detection sensor (12).
7. A modular electrical fire detector as claimed in claim 1, wherein the circuit board is provided with a communication interface for connection to the electrical fire monitoring system (30).
8. A modular electrical fire detector as claimed in claim 1, wherein the outer housing of the detector is provided with a display panel, the display panel being provided with a display screen and control keys, the controller (21) being connected to the display screen and the control keys respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320947919.6U CN219872533U (en) | 2023-04-24 | 2023-04-24 | Combined electric fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320947919.6U CN219872533U (en) | 2023-04-24 | 2023-04-24 | Combined electric fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872533U true CN219872533U (en) | 2023-10-20 |
Family
ID=88316371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320947919.6U Active CN219872533U (en) | 2023-04-24 | 2023-04-24 | Combined electric fire detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872533U (en) |
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2023
- 2023-04-24 CN CN202320947919.6U patent/CN219872533U/en active Active
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