CN218630958U - Electrical fire monitoring equipment - Google Patents
Electrical fire monitoring equipment Download PDFInfo
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- CN218630958U CN218630958U CN202223116563.6U CN202223116563U CN218630958U CN 218630958 U CN218630958 U CN 218630958U CN 202223116563 U CN202223116563 U CN 202223116563U CN 218630958 U CN218630958 U CN 218630958U
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Abstract
The utility model discloses an electric fire supervisory equipment relates to electric field. The electrical fire monitoring device comprises a device shell, and a processor, a centralized monitoring unit, an RS485 communication unit, a printer, an alarm, a residual current type electrical fire monitoring detector, a temperature measuring type electrical fire monitoring detector and a combined type electrical fire monitoring detector which are arranged in the device shell. This electrical fire monitoring equipment, processor can also drive the display through centralized monitoring unit and show residual current real-time value, temperature real-time value, alarm information, fault information etc. that are monitored the electric line, through monitoring comprehensively residual current, temperature etc. to being monitored the circuit to make electrical fire monitored control system reach the maximum monitoring function.
Description
Technical Field
The utility model relates to an electrical technology field specifically is an electrical fire supervisory equipment.
Background
Electrical equipment has become an indispensable and important part in social production and life. According to the related statistics, the electric fire occupies about 30% of the total number of fires, and is the first fire in all fire types, so in order to ensure the safe use of the electric equipment, the electric fire monitoring system is also gradually valued and applied, and becomes one of the important parts in the fire protection electric design.
The traditional electric fire monitoring system consists of electric fire monitoring equipment and a residual current type electric fire monitoring detector. The residual current type electric fire monitoring detector is installed in a distribution cabinet of a low-voltage system, and the acquisition of residual current (leakage current) of a low-voltage electric circuit and the conversion of digital signals are completed through a residual current transformer; the electric fire monitoring equipment is installed in a manned fire center, and is communicated with residual current type electric fire monitoring detectors installed in electric circuit distribution cabinets in the low-voltage system through a communication network, so that the centralized monitoring and alarming of residual current (leakage current) of a monitored circuit in the low-voltage system are realized.
In recent years, electrical fire monitoring systems have become popular in some smaller scale buildings, but their use has not achieved the desired results. Currently, most buildings in China only use a residual current type electrical fire monitoring detector to monitor residual current (leakage current), but do not use a temperature measurement type electrical fire monitoring detector to monitor the temperature of a cable joint part or the whole line in a matched manner, or use a combined type electrical fire monitoring detector to monitor the residual current (leakage current) and the temperature at the same time, so that the functions of a monitoring system cannot be brought into full play.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model discloses an electrical fire supervisory equipment to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an electrical fire monitoring device comprises a processor, a centralized monitoring unit, an RS485 communication unit, a printer, an alarm, a residual current type electrical fire monitoring detector, a temperature measuring type electrical fire monitoring detector and a combined type electrical fire monitoring detector. The residual current type electric fire monitoring detector is externally connected with a residual current transformer, the temperature measuring type electric fire monitoring detector is externally connected with a temperature sensor, the combined type electric fire monitoring detector is simultaneously externally connected with the residual current transformer and the temperature sensor, the residual current type electric fire monitoring detector, the temperature measuring type electric fire monitoring detector and the combined type electric fire monitoring detector are connected with an RS485 communication unit, the RS485 communication unit is connected with a processor, the processor is connected with a centralized monitoring unit, the centralized monitoring unit is connected with an alarm, and the centralized monitoring unit is connected with a printer.
Preferably, the monitoring equipment further comprises keys, wherein the keys comprise a reset key, a self-checking key, a mute key, a left shift key, a right shift key, an up-turn key, a down-turn key, a set/confirm key, a system inquiry key, an alarm inquiry key and a fault inquiry key
Preferably, the monitoring device further comprises a display, and the centralized monitoring unit is connected with the display.
Preferably, the monitoring device further comprises an indicator light, and the centralized monitoring unit is connected with the indicator light.
Preferably, the model of the processor is GD32F103VET6.
Preferably, the printer is a micro thermal printer.
The utility model discloses an electrical fire supervisory equipment, its beneficial effect who possesses as follows:
1. after the scheme is adopted, the residual current signal of the residual current transformer can be acquired through the residual current type electric fire monitoring detector, the temperature signal of the temperature sensor can be acquired through the temperature measuring type electric fire monitoring detector, the residual current signal of the residual current transformer and the temperature signal of the temperature sensor can be acquired simultaneously through the combined type electric fire monitoring detector, the residual current and the temperature of the monitored electric circuit can be acquired in real time through the RS485 communication unit, the temperature measuring type electric fire monitoring detector and the combined type electric fire monitoring detector are in networking communication, the residual current (leakage current) and the temperature of the monitored electric circuit can be acquired in real time through the processor, the residual current and the temperature can be judged through the processor, if the residual current and the temperature are detected to be qualified, monitoring is continued, if the residual current and the temperature are detected to be unqualified, an alarm instruction is sent to the centralized monitoring unit, the centralized monitoring unit drives the alarm to alarm, the printer to drive to print the alarm event, the processor can also store the alarm event into the memory, the processor drives the display to monitor the residual current, the temperature real-time value, the alarm information, the temperature of the circuit can be monitored electric fire, and the monitoring function of the monitored electric circuit can be maximized, and the monitored system can be comprehensively monitored.
Drawings
FIG. 1 is a schematic structural view of the electric fire monitoring apparatus of the present invention;
FIG. 2 is a schematic diagram of a processor circuit according to the present invention;
FIG. 3 is a schematic diagram of the RS485 communication unit circuit of the present invention;
FIG. 4 is a schematic diagram of the residual current detector circuit of the present invention;
FIG. 5 is a schematic diagram of the temperature measurement type detector circuit of the present invention;
FIG. 6 is a schematic diagram of the alarm circuit of the present invention;
FIG. 7 is a schematic diagram of a printer circuit according to the present invention;
FIG. 8 is a schematic diagram of a memory circuit according to the present invention;
FIG. 9 is a schematic diagram of a circuit of a display according to the present invention;
FIG. 10 is a schematic circuit diagram of the key portion of the present invention;
fig. 11 is a schematic diagram of the circuit of the indicator light of the present invention.
In the figure: 1. a processor; 2. an RS485 communication unit; 3. a residual current type electrical fire monitoring detector; 4. a temperature measurement type electrical fire monitor; 5. a combination electrical fire monitoring detector; 6. a centralized monitoring unit; 7. an alarm; 8. a printer; 9. a memory; 10. a display; 11. pressing a key; 12. and an indicator light.
Detailed Description
The embodiment of the utility model discloses an electric fire monitoring device, as shown in figures 1-11, includes;
as shown in fig. 1, for the embodiment of the present invention provides a structural schematic diagram of an electrical fire monitoring device, including: the monitoring system comprises a processor 1, an RS485 communication unit 2, a residual current type electric fire monitoring detector 3, a temperature measuring type electric fire monitor 4, a combined type electric fire monitoring detector 5, a centralized monitoring unit 6, an alarm 7, a printer 8, a memory 9, a display 10, a key 11 and an indicator lamp 12, wherein the residual current type electric fire monitoring detector 3 is externally connected with a residual current transformer input end, the temperature measuring type electric fire monitoring detector 4 is externally connected with a temperature sensor input end, the combined type electric fire monitor 5 is externally connected with a residual current transformer input end and a temperature sensor input end, the RS485 communication unit 2 is connected with the residual current type electric fire monitor 3, the temperature measuring type electric fire monitoring detector 4 and the combined type electric fire monitoring detector 5, the RS485 communication unit 2 is connected with the processor 1, the processor 1 is connected with the memory 9, the processor 1 is connected with the centralized monitoring unit 6, the centralized monitoring unit 6 is connected with the alarm 7, the centralized monitoring unit 6 is connected with the printer 8, the centralized monitoring unit 6 is connected with the display 10, the centralized monitoring unit 6 is connected with the key 11, and the centralized monitoring unit 6 is connected with the indicator lamp 12.
Specifically, the scheme mainly aims at monitoring the leakage current (0-1000 mA) of a low-voltage electric line and the temperature (0-200 ℃) of a cable joint. The external residual current transformer converts a leakage current signal (0-1000 mA) into a 0-420 mV analog signal, and the analog signal is connected to the residual current type electrical fire monitoring detector 3 or the combined type electrical fire monitoring detector 5, is sampled by the residual current type electrical fire monitoring detector 3 or the combined type electrical fire monitoring detector 5, is converted into a digital signal after A/D conversion calculation, and is communicated with the RS485 communication unit 2 through an RS485 communication bus; the external temperature sensor converts a temperature signal (0-200 ℃) into a 0-3.3V analog signal, the analog signal is connected to the temperature measuring type electrical fire monitoring detector 4 or the combined type electrical fire monitoring detector 5, the analog signal is converted into a digital signal after sampling and A/D conversion calculation by the temperature measuring type electrical fire monitoring detector 4 or the combined type electrical fire monitoring detector 5, and then the digital signal is communicated with the RS485 communication unit 2 through the RS485 communication bus; the RS485 communication unit 2 sends communication data to the processor 1 for real-time monitoring processing, if residual current (leakage current) or temperature is monitored to meet alarm judgment conditions, an instruction is sent to the centralized monitoring unit 6, the centralized monitoring unit 6 drives the alarm 7 to alarm, the centralized monitoring unit 6 drives the printer 8 to print an alarm event, the centralized monitoring unit 6 drives the display 10 to display the alarm event, the centralized monitoring unit drives the indicator lamp 12 to send an alarm instruction, and the alarm comprises any one or more of a voice alarm, a buzzer alarm, a vibration alarm and a smoke alarm.
After the scheme is adopted, the residual current of the monitored low-voltage electric circuit can be obtained through the residual current type electric fire monitoring detector 3 or the combined type electric fire monitoring detector 5, the temperature of the monitored low-voltage electric circuit can be obtained through the temperature measurement type electric fire monitoring detector 4 or the combined type electric fire monitoring detector 5, the RS485 communication unit 2 is used for networking communication with the residual current type electric fire monitoring detector 3, the temperature measurement type electric fire monitoring detector 4 and the combined type electric fire monitoring detector 5, the processor 1 is used for obtaining the residual current, the temperature and other data of the monitored low-voltage electric circuit in real time, the residual current and the temperature are judged through the processor 1, if the detection is qualified, the monitoring is continued, if the detection is unqualified, an alarm instruction is sent to the centralized monitoring unit 6, the centralized monitoring unit 6 drives the alarm 7 to alarm, and drives the printer 8 to print a fault event, drives the display 10 to display the alarm event, and drives the indicator lamp 12 to indicate the alarm. The centralized monitoring unit 6 can also drive the display 10 to display a residual current real-time value, a temperature real-time value, alarm information, fault information and the like of the monitored electric line. The residual current, the temperature and the like of the monitored line can be comprehensively monitored, and the maximum monitoring function is achieved.
In addition, as shown in fig. 1, the monitoring device further includes keys 11, which include an up-turning key, a down-turning key, a left-moving key, a right-moving key, a set/confirm key, an exit key, a system query key, an operation query key, an alarm query key, a fault query key, a mute key, a self-checking key, and a reset key. Specifically, the centralized monitoring unit 6 transmits a signal to the processor 1 according to the triggering of the key 11, and the processor 1 processes the signal according to different key functions. Resetting the monitoring equipment according to the reset key triggering signal, wherein the resetting operation is carried out on the display 10, the indicator lamp 12, the alarm 7, the printer 8, the RS485 communication unit 2 and the like by driving the centralized monitoring unit 6, so that the monitoring equipment is restored to a normal monitoring state; carrying out self-checking operation on the monitoring equipment according to the self-checking key trigger signal, and driving the centralized monitoring unit to carry out self-checking on the display 10, the indicator lamp 12 and the alarm 7; carrying out silencing operation on the alarm 7 according to the silencing key trigger signal; setting operations such as detector detection setting, system parameter setting, time setting, communication setting, alarming/fault record resetting and the like are completed according to an upturning key, a downturning key, a left-moving key, a right-moving key, a setting/confirming key and a cancel key trigger signal; the switching operation of the display screen of the display 10 is completed according to the triggering signals of the up-turning key, the down-turning key, the left-moving key, the right-moving key, the set/confirm key, the exit key, the system inquiry key, the operation inquiry key, the alarm inquiry key, the fault inquiry key, the mute key, the self-checking key and the reset key.
In addition, as shown in fig. 1, the monitor further includes a display 10, and the centralized monitoring unit 6 is connected to the display 10. Specifically, the method is used for setting operations such as detector detection setting, system parameter setting, time setting, communication setting, alarm/fault record resetting and the like; the device is used for monitoring the residual current signals of the residual current transformers externally connected with each electrical fire monitoring detector and the temperature signals of the temperature sensors in real time; the alarm device is used for displaying alarm events of the residual current out-of-limit or temperature out-of-limit of the monitored line; the device is used for displaying other fault events such as communication faults, residual current transformer wiring faults, temperature sensor wiring faults and the like. Preferably, under the environment with illumination of < 5001x, the front part is 0.8m and the visual angle range of 22.5 degrees is clearly visible.
Furthermore, as shown in fig. 1, the monitoring device further comprises an indicator lamp 12, and the centralized monitoring unit 6 is connected with the indicator lamp 12. The indicating lamp comprises an operation indicating lamp (green), a communication indicating lamp (green), an alarm indicating lamp (red), a fault indicating lamp (yellow) and a silencing indicating lamp (blue). Specifically, when the processor 1 operates normally, the centralized monitoring unit 6 is driven to make the operation indicator light flash; when the processor 1 and the RS485 communication unit 2 have communication data transmission, the processor 1 drives the centralized monitoring unit 6 to light a communication indicator lamp; when the processor 1 detects that the residual current or the temperature collected by the electrical fire monitoring detector is out of limit, the centralized monitoring unit 6 is driven to enable the alarm indicator lamp to be turned on; when the processor 1 detects the communication fault of the electrical fire monitoring detector and the wiring fault of the residual current transformer or the temperature sensor, the centralized monitoring unit is driven to light a fault lamp; when the sound output of the alarm device is detected, the processor 1 drives the centralized monitoring unit 6 to stop the sound output of the alarm device 7 and light the silencing indicator lamp when the silencing key trigger signal is acquired. In addition, preferably, the indicator light is an LED indicator light, when the illumination is less than 5001x, the position 3m right ahead can be clearly seen, various illumination conditions are met, and the highlight LED light can give clear indication to the running state of the monitor and whether the power supply of the fire fighting equipment is in a fault state or not.
Furthermore, as shown in fig. 1, the monitoring device further comprises a memory 9, the processor 1 being connected to the memory 9. The method is used for storing detection parameters, authority passwords, screen-off time of a display, communication parameters including baud rate, address, communication time interval and the like, alarm events, fault events and the like of the electrical fire monitoring detector.
Specifically, the monitoring equipment can communicate with 255 electric fire monitoring detectors at most, so that residual current and temperature of 2040 low-voltage electric circuits at most can be monitored in real time at the same time, and an electric fire monitoring system achieves the maximum monitoring function.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an electrical fire monitoring equipment, includes treater (1), centralized monitoring unit (6), RS485 communication unit (2), printer (8), alarm (7), residual current formula electrical fire monitoring detector (3), temperature measurement formula electrical fire monitoring detector (4) and combination formula electrical fire monitoring detector (5), its characterized in that, residual current formula electrical fire monitoring detector (3) external residual current transformer, temperature measurement formula electrical fire monitoring detector (4) external temperature sensor, combination formula electrical fire monitoring detector (5) external residual current transformer and temperature sensor simultaneously, residual current formula electrical fire monitoring detector (3), temperature measurement formula electrical fire monitoring detector (4), combination formula electrical fire monitoring detector (5) connect RS485 communication unit (2), RS485 communication unit (2) connection treater (1), centralized monitoring unit (6) is connected to treater (1), centralized monitoring unit (6) connects alarm (7).
2. An electrical fire monitoring apparatus as claimed in claim 1, wherein: the monitoring equipment further comprises a key (11), wherein the key (11) comprises a reset key, a self-checking key, a hush key, a left shift key, a right shift key, an up-turning key, a down-turning key, a setting/confirming key, a system inquiry key, an alarm inquiry key and a fault inquiry key.
3. An electrical fire monitoring apparatus as claimed in claim 1, wherein: the monitoring device further comprises a display (10), and the centralized monitoring unit (6) is connected with the display (10).
4. An electrical fire monitoring apparatus as claimed in claim 1, wherein: the monitoring device also comprises an indicator light (12), and the centralized monitoring unit (6) is connected with the indicator light (12).
5. An electrical fire monitoring apparatus as claimed in claim 1, wherein: the type of the processor (1) is GD32F103VET6.
6. An electrical fire monitoring apparatus as claimed in claim 1, wherein: the printer (8) is a micro thermal printer, and the centralized monitoring unit (6) is connected with the printer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223116563.6U CN218630958U (en) | 2022-11-23 | 2022-11-23 | Electrical fire monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223116563.6U CN218630958U (en) | 2022-11-23 | 2022-11-23 | Electrical fire monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218630958U true CN218630958U (en) | 2023-03-14 |
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ID=85449098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223116563.6U Active CN218630958U (en) | 2022-11-23 | 2022-11-23 | Electrical fire monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218630958U (en) |
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2022
- 2022-11-23 CN CN202223116563.6U patent/CN218630958U/en active Active
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