CN206584480U - A kind of electric power electric fire alarm monitoring device - Google Patents
A kind of electric power electric fire alarm monitoring device Download PDFInfo
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- CN206584480U CN206584480U CN201720105802.8U CN201720105802U CN206584480U CN 206584480 U CN206584480 U CN 206584480U CN 201720105802 U CN201720105802 U CN 201720105802U CN 206584480 U CN206584480 U CN 206584480U
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Abstract
The utility model discloses a kind of electric power electric fire alarm monitoring device, including housing, the inside of the housing is provided with circuit board, and chip U1 is welded with circuit board, coupler T1 and coupler T2, the first input end of the chip U1 is connected with resistance R1, and the resistance R1 other end is connected with electric capacity C1 and coupler T1 pin 3, the other end of the electric capacity C1 is connected with coupler T1 pin 4, and coupler T1 pin 4 and coupler T1 pin 2 are grounded, the pin 1 of the coupler T1 is connected with the output end of current sensor, the second input of the chip U1 is connected with resistance R2, and the resistance R2 other end is connected with electric capacity C2 and coupler T2 pin 3, the other end of the electric capacity C2 is connected with coupler T2 pin 4.The utility model is economical and practical, and circuit connection is simple, can provide overvoltage protection and overcurrent protection to alarm, it is to avoid alarm causes to damage under overvoltage and overcurrent condition.
Description
Technical field
The utility model is related to electric power electric fire alarm monitoring engineering device technique field, more particularly to a kind of electric power electric fire
Calamity alarm monitor.
Background technology
Electric power electrical apparatus easily causes fire due to electric leakage, it is therefore desirable to which fire-alarm is monitored to this, fire
Alarm is to realize fire disasters protection by monitoring the concentration of smog, and by bus-powered, multiple fire can be connected with bus
Calamity alarm, fire-alarm and fire alarm control unit networking, communication one warning system of composition, existing fire-alarm
The upper function without overvoltage protection and overcurrent protection, fire-alarm is easily made in the state of overvoltage and overcurrent
Into damage.
The content of the invention
The purpose of this utility model is and a kind of electric power electric fire proposed in order to solve shortcoming present in prior art
Calamity alarm monitor.
To achieve these goals, the utility model employs following technical scheme：
A kind of electric power electric fire alarm monitoring device, including housing, the inside of the housing are provided with circuit board, and circuit
The first input end that chip U1, coupler T1 and coupler T2, the chip U1 are welded with plate is connected with resistance R1, and resistance
The R1 other end is connected with electric capacity C1 and coupler T1 pin 3, and the other end of the electric capacity C1 is connected with drawing for coupler T1
Pin 4, and coupler T1 pin 4 and coupler T1 pin 2 be grounded, the pin 1 of the coupler T1 is connected with electric current biography
The output end of sensor, the second input of the chip U1 is connected with resistance R2, and the resistance R2 other end is connected with electric capacity C2
With coupler T2 pin 3, the other end of the electric capacity C2 is connected with coupler T2 pin 4, and the coupler T2 He of pin 4
Coupler T2 pin 2 is grounded, and the pin 1 of the coupler T2 is connected with the output end of voltage sensor, the chip U1
The first output end be connected with relay Q1 pin 1, and relay Q1 pin 2 is connected with chip U1 the second output end
Connect, the pin 3 of the relay Q1 is connected with resistance R3 and relay Q2 pin 2, the other end of the resistance R3 is connected with
Resistance R4, and the resistance R4 other end is connected with resistance R5, the resistance R5 other end and is connected with the relay Q2 He of pin 3
The input of driver, and the output end of driver is connected with the input of alarm, the pin 1 and chip of the relay Q2
U1 the 3rd output end is connected.
It is preferred that, the chip U1 is MCU single-chip microcomputers.
It is preferred that, the coupler T1 and coupler T2 are photoelectrical coupler, and coupler T1 and coupler T2 type
Number it is photoelectrical coupler U1 model B44N25.
It is preferred that, the resistance of the resistance R1 is that 10K Ω, the resistance R2 resistance are 10K Ω, the resistance R3, electricity
The resistance for hindering R4 and resistance R5 is 1500 Ω.
It is preferred that, the alarm is smoke alarm, and the model YB-L of alarm.
It is preferred that, the model of the relay Q1 and relay Q2 are 4100F.
In the utility model, current sensor, coupler are passed through in a kind of electric power electric fire alarm monitoring device
T1, resistance R1 and electric capacity C1 together constitute overcurrent sensing circuit, and overcurrent sensing circuit can be to the inside electricity of alarm
Stream is detected in real time, and the current analog signal that current sensor is detected is converted into data signal, and then is transferred to chip
U1, overvoltage detection circuit, Zenith tracking are together constituted by voltage sensor, coupler T2, resistance R2 and electric capacity C2
Circuit can in real time be detected to the builtin voltage of alarm, and the voltage analog signal of voltage sensor senses is converted into
Data signal, and then be transferred to chip U1, by chip U1, relay Q1, relay Q2, resistance R3, resistance R4, resistance R5,
Driver and alarm together constitute control circuit, when current sensor detects overcurrent or voltage sensor senses are arrived
During overvoltage, chip U1 control relay Q2 first are turned off, by resistance R3, resistance R4 and resistance R5 access driver and after
Between electrical equipment Q1, if now alarm is in overvoltage or overcurrent condition, chip U1 disconnects close to relay Q1,
Alarm is stopped using, and the utility model is economical and practical, and circuit connection is simple, can provide overvoltage protection and mistake to alarm
Current protection, it is to avoid alarm causes under overvoltage and overcurrent condition to damage.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of electric power electric fire alarm monitoring device fundamental diagram.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1, a kind of electric power electric fire alarm monitoring device, including housing, the inside of the housing are provided with circuit
Chip U1, coupler T1 and coupler T2 are welded with plate, and circuit board, the first input end of the chip U1 is connected with resistance
R1, and the resistance R1 other end is connected with electric capacity C1 and coupler T1 pin 3, the other end of the electric capacity C1 is connected with coupling
Device T1 pin 4, and coupler T1 pin 4 and coupler T1 pin 2 be grounded, the pin 1 of the coupler T1 is connected
There is the output end of current sensor, the second input of the chip U1 is connected with resistance R2, and resistance R2 other end connection
There are electric capacity C2 and coupler T2 pin 3, the other end of the electric capacity C2 is connected with coupler T2 pin 4, and coupler T2
Pin 4 and coupler T2 pin 2 be grounded, the pin 1 of the coupler T2 is connected with the output end of voltage sensor, institute
The first output end for stating chip U1 is connected with relay Q1 pin 1, and the second output of relay Q1 pin 2 and chip U1
End is connected, and the pin 3 of the relay Q1 is connected with resistance R3 and relay Q2 pin 2, the other end of the resistance R3
Resistance R4 is connected with, and the resistance R4 other end is connected with resistance R5, the other end of the resistance R5 is connected with relay Q2's
The input of pin 3 and driver, and the output end of driver is connected with the input of alarm, the pin of the relay Q2
1 is connected with chip U1 the 3rd output end, is together constituted by current sensor, coupler T1, resistance R1 and electric capacity C1
Overcurrent sensing circuit, overcurrent sensing circuit can in real time be detected to the internal current of alarm, and by current sense
The current analog signal of device detection is converted into data signal, and then is transferred to chip U1, by voltage sensor, coupler T2,
Resistance R2 and electric capacity C2 together constitute overvoltage detection circuit, and overvoltage detection circuit can enter to the builtin voltage of alarm
Row detection, and the voltage analog signal of voltage sensor senses is converted into data signal in real time, and then chip U1 is transferred to, lead to
Cross chip U1, relay Q1, relay Q2, resistance R3, resistance R4, resistance R5, driver and alarm and together constitute control
Circuit, when current sensor detects overcurrent or voltage sensor senses to overvoltage, chip U1 controls relay first
Device Q2 is turned off, and resistance R3, resistance R4 and resistance R5 are accessed between driver and relay Q1, if now alarm is also
It is to be in overvoltage or overcurrent condition, chip U1 is disconnected close to relay Q1, and alarm is stopped using, the utility model warp
Ji is practical, and circuit connection is simple, can provide overvoltage protection and overcurrent protection to alarm, it is to avoid alarm is excessively electric
Cause to damage under pressure and overcurrent condition.
In the utility model, the chip U1 is MCU single-chip microcomputers, and the coupler T1 and coupler T2 are photoelectric coupling
Device, and coupler T1 and coupler T2 model be photoelectrical coupler U1 model B44N25, the resistance of the resistance R1
For 10K Ω, the resistance of the resistance R2 is 1500 Ω, institute for 10K Ω, the resistance R3, resistance R4 and resistance R5 resistance
Alarm is stated for smoke alarm, and the model YB-L of alarm, the model of the relay Q1 and relay Q2 are
4100F, overcurrent sensing circuit, overcurrent inspection are together constituted by current sensor, coupler T1, resistance R1 and electric capacity C1
Slowdown monitoring circuit can in real time be detected to the internal current of alarm, and the current analog signal that current sensor is detected is changed
Into data signal, and then chip U1 is transferred to, is together constituted by voltage sensor, coupler T2, resistance R2 and electric capacity C2
Overvoltage detection circuit, overvoltage detection circuit can in real time be detected to the builtin voltage of alarm, and by voltage sensor
The voltage analog signal of device detection is converted into data signal, and then is transferred to chip U1, passes through chip U1, relay Q1, relay
Device Q2, resistance R3, resistance R4, resistance R5, driver and alarm together constitute control circuit, when current sensor is detected
When overcurrent or voltage sensor senses are to overvoltage, chip U1 control relay Q2 first are turned off, by resistance R3, electricity
Hinder between R4 and resistance R5 access drivers and relay Q1, if now alarm is in overvoltage or overcurrent shape
State, chip U1 disconnects close to relay Q1, and alarm stops using, and the utility model is economical and practical, and circuit connection is simple, can be with
Overvoltage protection and overcurrent protection are provided to alarm, it is to avoid alarm causes to damage under overvoltage and overcurrent condition
It is bad.
In the utility model, current sensor can in real time be detected to the internal current of alarm, current sensor
The current analog signal of detection is transferred on coupler T1, current analog signal is converted into current digital by coupler T1 to be believed
Number, the current digital of coupler T1 outputs passes through electric capacity C1 and resistance R1, is then communicated to chip U1, voltage sensor can be right
The builtin voltage of alarm is detected that the voltage analog signal of detection is transferred on coupler T2 by current sensor in real time,
Voltage analog signal is converted into voltage digital signal by coupler T2, and the current digital of coupler T2 outputs passes through resistance R2 and electricity
Hold C2, be then communicated to chip U1, when current sensor detects overcurrent or voltage sensor senses to overvoltage, core
Piece U1 control relay Q2 first are turned off, and resistance R3, resistance R4 and resistance R5 are accessed between driver and relay Q1,
Now alarm is if being in overvoltage or overcurrent condition, and chip U1 control relays Q1 disconnects, alarm
Stop using, alarm can be avoided to cause damage under overvoltage and overcurrent condition.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of electric power electric fire alarm monitoring device, including housing, the inside of the housing are provided with circuit board, and circuit board
On be welded with chip U1, coupler T1 and coupler T2, it is characterised in that the first input end of the chip U1 is connected with resistance
R1, and the resistance R1 other end is connected with electric capacity C1 and coupler T1 pin 3, the other end of the electric capacity C1 is connected with coupling
Device T1 pin 4, and coupler T1 pin 4 and coupler T1 pin 2 be grounded, the pin 1 of the coupler T1 is connected
There is the output end of current sensor, the second input of the chip U1 is connected with resistance R2, and resistance R2 other end connection
There are electric capacity C2 and coupler T2 pin 3, the other end of the electric capacity C2 is connected with coupler T2 pin 4, and coupler T2
Pin 4 and coupler T2 pin 2 be grounded, the pin 1 of the coupler T2 is connected with the output end of voltage sensor, institute
The first output end for stating chip U1 is connected with relay Q1 pin 1, and the second output of relay Q1 pin 2 and chip U1
End is connected, and the pin 3 of the relay Q1 is connected with resistance R3 and relay Q2 pin 2, the other end of the resistance R3
Resistance R4 is connected with, and the resistance R4 other end is connected with resistance R5, the other end of the resistance R5 is connected with relay Q2's
The input of pin 3 and driver, and the output end of driver is connected with the input of alarm, the pin of the relay Q2
1 is connected with chip U1 the 3rd output end.
2. a kind of electric power electric fire alarm monitoring device according to claim 1, it is characterised in that the chip U1 is
MCU single-chip microcomputers.
3. a kind of electric power electric fire alarm monitoring device according to claim 1, it is characterised in that the coupler T1
Be photoelectrical coupler with coupler T2, and coupler T1 and coupler T2 model be photoelectrical coupler U1 model
B44N25。
4. a kind of electric power electric fire alarm monitoring device according to claim 1, it is characterised in that the resistance R1's
Resistance is that 10K Ω, the resistance R2 resistance are that 10K Ω, the resistance R3, resistance R4 and resistance R5 resistance is 1500
Ω。
5. a kind of electric power electric fire alarm monitoring device according to claim 1, it is characterised in that the alarm is
Smoke alarm, and the model YB-L of alarm.
6. a kind of electric power electric fire alarm monitoring device according to claim 1, it is characterised in that the relay Q1
Model with relay Q2 is 4100F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105802.8U CN206584480U (en) | 2017-02-03 | 2017-02-03 | A kind of electric power electric fire alarm monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105802.8U CN206584480U (en) | 2017-02-03 | 2017-02-03 | A kind of electric power electric fire alarm monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206584480U true CN206584480U (en) | 2017-10-24 |
Family
ID=60110045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720105802.8U Active CN206584480U (en) | 2017-02-03 | 2017-02-03 | A kind of electric power electric fire alarm monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206584480U (en) |
-
2017
- 2017-02-03 CN CN201720105802.8U patent/CN206584480U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190830 Address after: 063000 No. 8, 312 Floor, Qingkeyuan, Junction of Youyi Road and Qingnan Road, North District of Tangshan Road, Hebei Province Patentee after: Hebei Liulian Communication Technology Co., Ltd. Address before: 300000 Changying Commercial Plaza 4-1216, northwest of the junction of Beijing-Tianjin Road and Longzhou Road, Beichen District, Tianjin Patentee before: Tianjin winsond Technology Co., Ltd. |