CN209692432U - A kind of switchgear house monitoring early-warning device - Google Patents
A kind of switchgear house monitoring early-warning device Download PDFInfo
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- CN209692432U CN209692432U CN201920798286.0U CN201920798286U CN209692432U CN 209692432 U CN209692432 U CN 209692432U CN 201920798286 U CN201920798286 U CN 201920798286U CN 209692432 U CN209692432 U CN 209692432U
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Abstract
The utility model provides a kind of switchgear house monitoring early-warning device, including signal acquisition module, control module and alarm module；Signal acquisition module and alarm module are connect with control module respectively；The device further includes display module and illuminalive power-supply mould group, and the display module is connect with control module；Illuminalive power-supply mould group includes rectification filtering module, detection module, microcontroller, normal power supply module and emergency service module；The external rectified filter module of alternating current is connect with normal power supply module；Detection module is connect with rectification filtering module and microcontroller respectively；Detection module is used to detect the output voltage signal of rectification filtering module, and emergency service module is connect with rectification filtering module and microcontroller respectively.
Description
Technical field
The utility model belongs to power supply control technical field, and in particular to a kind of switchgear house monitoring early-warning device.
Background technique
Switchgear house is an important ring for electric system, is the key position of mansion power supply system, it is desirable that round-the-clock unlatching is protected
Stable operation incessantly in 24 hours is held, influences to power if there is failure, very big influence is caused to resident and enterprise, so
If it is on duty that full-time electrician carries out it operation in 24 hours.Manual patrol, the as each circuit of monitoring personnel timed patrol switchgear house
And the case where device.The switchgear house of manual patrol monitors, and due to that can not stare at each equipment operation condition the moment, and makes an inspection tour and matches
Electric room takes time and effort, and there is also the neutral gear phases in tour vacuum phase, so that can not know where parameter is not right at the first time substantially, to event
Barrier carries out early warning.
Most switchgear house monitoring is monitored using long-range connection in practical applications, and operation maintenance personnel passes through long-range boundary
Face or remote alerting device are monitored the indoor operating status of distribution.And lack it is a kind of for switchgear house patrol officer or
The switchgear house local source of early warning of person Security Personnel.This is in place of the deficiencies in the prior art.
Summary of the invention
The purpose of this utility model is that designing a kind of switchgear house prison in view of the above-mentioned drawbacks of the prior art, providing
Prior-warning device is controlled, to solve the above technical problems.
The technical solution of the utility model is:
A kind of switchgear house monitoring early-warning device, including signal acquisition module, control module and alarm module；
Signal acquisition module and alarm module are connect with control module respectively；
The device further includes display module and illuminalive power-supply mould group, and the display module is connect with control module；
Illuminalive power-supply mould group includes rectification filtering module, detection module, microcontroller, normal power supply module and emergency service
Module；
The external rectified filter module of alternating current is connect with normal power supply module；Detection module respectively with rectification filtering module and
Microcontroller connection；Detection module is used to detect the output voltage signal of rectification filtering module, emergency service module respectively with it is whole
Stream filter module is connected with microcontroller.
Preferably, alarm module includes photoelectric alarm unit and audio alert unit；Photoelectric alarm unit and audio alert
Unit is connect with control module respectively.
Preferably, signal acquisition module includes current sensor, temperature sensor and breaker coil acquisition unit；Electric current
Sensor, temperature sensor and breaker coil acquisition unit are connect with control module respectively；Current sensor is arranged in main electricity
Road is for acquiring the electric current of main circuit, and temperature sensor is for acquiring distribution room temperature；
The device further includes the window opener being arranged on window, and the window opener is connect for room temperature with control module
Control module control window opener executes windowing when reaching set temperature threshold value.
Preferably, which further includes power module, the power module respectively with control module, display module, alarm
Module is connected with window opener；
Power module includes 15v power supply, -15 power supplys, 24v power supply, 5v power supply by voltage transformation module output.
Preferably, emergency service module includes emergency LED lamp and rechargeable battery；The input terminal of the rectification filtering module is used
In being connected to alternating current, the output end all the way of rectification filtering module is connected to normal illumination module, the another way of rectification filtering module
Output end is connected to rechargeable battery by charging circuit；Rechargeable battery passes through emergency lighting circuit control unit and emergency LED lamp
Connection；Emergency lighting circuit control unit is connect with microcontroller；The output end of rectification filtering module is also connect with detection module,
The output end of detection module is connect with microcontroller, and rechargeable battery is connect with microcontroller.
Preferably, emergency lighting circuit control unit includes the photoelectrical coupler and relay connecting with microcontroller, institute
The input terminal for stating photoelectrical coupler is connected to 5v power supply by eleventh resistor, and the output end of photoelectrical coupler is connected to relay
The other end of one end of coil, relay coil is connected to 24v power supply by the 21st resistance, and one end of emergency LED lamp connects
It is connected to the first end of relay normally open contact, the other end ground connection of emergency LED lamp；The second end of relay normally open contact is connected to
24v power supply.
Preferably, rectification filtering module includes rectifier bridge, and the input terminal of the rectifier bridge is connected to alternating current, rectifier bridge it is defeated
Outlet is connect with detection module, and the output end of rectifier bridge is also connected with the anode of third diode, and the cathode of third diode is logical
Inductance connection is crossed to normal power supply module；The both ends of inductance are parallel with the 7th resistance, and the both ends of inductance pass through the 5th capacitor respectively
With the 6th capacity earth.
It is set if the voltage signal that detection module is used to detect rectifier bridge output is less than to the voltage signal that microcontroller detects
When determining minimum threshold, microcontroller outputs signals to control module, and control module triggers alarm module and carries out fault pre-alarming.
Detection module includes the 8th resistance, and described 8th resistance one end is connected to the output end of rectifier bridge, the 8th resistance
The other end is connected with the tenth resistance, and the tie point of the 8th resistance and the tenth resistance is connected with the first end of the 9th resistance, the 9th electricity
The second end of resistance passes through the second capacitor being connected in parallel and zener diode ground connection, and the second end of the 9th resistance is connected to microcontroller
Device.
Preferably, display module includes digital analog converter and display unit, and control module passes through digital analog converter and display
Unit connection.
Preferably, the digital input end of the digital analog converter is connected to control module, the first output of digital analog converter
End is connected with the negative input end of the first amplifier, and the second output terminal of digital analog converter and the ground terminal of digital analog converter connect；
The voltage input end of digital analog converter is connected to 15v power supply；The voltage reference input of digital analog converter is connect with 15v power supply；
The positive input terminal of first amplifier is grounded, and the positive power source terminal of the first amplifier connects 15v power supply, the first amplifier
Negative power end is connected to -15v power supply, and the output end of the first amplifier is connected to the resistance feedback end of digital analog converter；First puts
The output end of big device also passes through the positive input terminal that first resistor is connected with the second amplifier, and the negative input end of the second amplifier passes through
Second resistance ground connection；The positive power source terminal of second amplifier connects 15v power supply, and the negative power end of the second amplifier is connected to -15v electricity
Source；The output end connection of second amplifier is connected with the base stage of triode by 3rd resistor, and the collector of triode passes through string
The potentiometer and the 4th resistance that join connection are connected to the positive input terminal of the second amplifier, and the collector of triode also passes through the 5th electricity
Resistance is connected to the negative input end of the second amplifier；The emitter of triode is connected to power module 24v power supply；4th resistance and electricity
The tie point of position device is connected to display unit by the 6th resistance.
The beneficial effects of the utility model are that temperature signal carries out indoor environment temperature to control module based on the received
High temperature early warning, control module receive current sensor signal, receive the voltage signal or current sensor of detection module detection
In signal when either signal exception, warning information is exported；Detection module is used to detect the voltage signal of rectifier bridge output to micro-
If the voltage signal of controller detection is less than setting minimum threshold, microcontroller outputs signals to control module, control module
It triggers alarm module and carries out fault pre-alarming.
The device also controls emergency light, and when the power-off of switchgear house failure, i.e., control module receives current sense
When device signal or detection module output signal either signal are 0, control emergency lighting module carries out emergency lighting.
The present apparatus is additionally provided with display module, carries out intuitive simulation output to the signal that detects, facilitate patrolman and
When grasp switchgear house state operating condition.
In addition, the utility model design principle is reliable, structure is simple, has very extensive application prospect.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is that a kind of switchgear house monitoring early-warning device connects block diagram；
Fig. 2 is emergency lighting modular circuit connection figure；
Fig. 3 is emergency lighting circuit control unit circuit connection diagram；
Fig. 4 is detection module circuit connection diagram；
Fig. 5 is display module circuit connection diagram.
Specific embodiment
The utility model is elaborated with reference to the accompanying drawing and by specific embodiment, and following embodiment is to this
The explanation of utility model, and the utility model is not limited to following implementation.
Embodiment one
As shown in Figs. 1-5, the utility model embodiment provides a kind of switchgear house monitoring early-warning device, including signal acquisition mould
Block 3, control module 1 and alarm module 4；
Signal acquisition module 3 and alarm module 4 are connect with control module 1 respectively；
The device further includes display module 2 and illuminalive power-supply mould group 15, and the display module 2 is connect with control module 1；
Illuminalive power-supply mould group 15 includes rectification filtering module 17, detection module 8, microcontroller U2,9 and of normal power supply module
Emergency service module 13；
The external rectified filter module 17 of alternating current is connect with normal power supply module 9；Detection module 8 respectively with rectifying and wave-filtering mould
Block 17 is connected with microcontroller U2；Detection module 8 is used to detect the output voltage signal of rectification filtering module 17, emergency service mould
Block 13 is connect with rectification filtering module 17 and microcontroller U2 respectively.
Alarm module 4 includes photoelectric alarm unit and audio alert unit；Photoelectric alarm unit and audio alert unit point
It is not connect with control module 1.
Signal acquisition module 3 includes current sensor, temperature sensor and breaker coil acquisition unit；Current sense
Device, temperature sensor and breaker coil acquisition unit are connect with control module 1 respectively；Current sensor is arranged on the main circuit
For acquiring the electric current of main circuit, temperature sensor is for acquiring distribution room temperature；
The device further includes the window opener 5 being arranged on window, and the window opener 5 is connect for interior with control module 1
Control module 1 controls window opener 5 and executes windowing when temperature reaches set temperature threshold value.
The device further includes power module 16, the power module 16 respectively with control module 1, display module 2, alarm mould
Block 4 and window opener 5 connect；
Power module 16 includes 15v power supply, -15 power supplys, 24v power supply, 5v power supply by voltage transformation module output.
Emergency service module 13 includes emergency LED lamp 6 and rechargeable battery 12；The input terminal of the rectification filtering module 17 is used
In being connected to alternating current, the output end all the way of rectification filtering module 17 is connected to normal illumination module 9, rectification filtering module 17 it is another
Output end is connected to rechargeable battery 12 by charging circuit 10 all the way；Rechargeable battery 12 passes through emergency lighting circuit control unit 11
It is connect with emergency LED lamp 6；Emergency lighting circuit control unit 11 is connect with microcontroller U2；The output of rectification filtering module 17
End is also connect with detection module 8, and the output end of detection module 8 is connect with microcontroller U2, rechargeable battery 12 and microcontroller U2
Connection.
Emergency lighting circuit control unit 11 includes the photoelectrical coupler U1 and relay K1 connecting with microcontroller U2, institute
The input terminal for stating photoelectrical coupler U1 is connected to 5v power supply, the output end connection of photoelectrical coupler U1 by eleventh resistor R11
The other end to one end of relay K1 coil, relay K1 coil is connected to 24v power supply by the 21st resistance R21, after
The both ends of electric appliance K1 coil are parallel with diode D1, and it is normally opened that one end of emergency LED lamp 6 by current-limiting resistance is connected to relay K1
The first end of contact, the other end ground connection of emergency LED lamp 6, the second end of relay K1 normally opened contact are connected to 24v power supply.
Rectification filtering module 17 includes rectifier bridge 7, and the input terminal of the rectifier bridge 7 is connected to alternating current, the output of rectifier bridge 7
End is connect with detection module 8, and the output end of rectifier bridge 7 is also connected with the anode of third diode D3, the yin of third diode D3
Pole is connected to normal power supply module 9 by inductance L2；The both ends of inductance L2 are parallel with the 7th resistance R7, the both ends difference of inductance L2
It is grounded by the 5th capacitor C5 and the 6th capacitor C6.
If the voltage signal that the voltage signal that detection module 8 is used to detect the output of rectifier bridge 7 is detected to microcontroller U2 is small
When setting minimum threshold, microcontroller U2 outputs signals to control module 1, and control module 1 triggers alarm module 4 and carries out failure
Early warning.
Detection module 8 includes the 8th resistance R8, and the one end the 8th resistance R8 is connected to the output end of rectifier bridge 7, and the 8th
The tie point that the other end of resistance R8 is connected with the tenth resistance R10, the 8th resistance R8 and the tenth resistance R10 is connected with the 9th resistance
The first end of R9, the second end of the 9th resistance R9 pass through the second capacitor C2 being connected in parallel and zener diode D2 and are grounded, and the 9th
The second end of resistance R9 is connected to microcontroller U2.Microcontroller uses single-chip microcontroller model HT66F006.
Display module 2 includes digital analog converter U5 and display unit 2.1, and control module 1 is by digital analog converter U5 and shows
Show that unit 2.1 connects.
The digital input end of the digital analog converter U5 is connected to control module 1, the first output end of digital analog converter U5
It is connected with the negative input end of the first amplifier U4, the second output terminal of digital analog converter U5 and the ground terminal of digital analog converter U5 connect
It connects；The voltage input end V+ of digital analog converter is connected to 15v power supply；The voltage reference input VREF and 15v of digital analog converter
Power supply connection；
The positive input terminal of first amplifier U4 is grounded, and the positive power source terminal of the first amplifier U4 connects 15v power supply, the first amplification
The negative power end of device U4 is connected to -15v power supply, and the output end of the first amplifier U4 is connected to the resistance feedback end of digital analog converter
RFEEDBACK；The output end of first amplifier U4 also passes through the positive input terminal that first resistor R1 is connected with the second amplifier U3, and second
The negative input end of amplifier U3 is grounded by second resistance R2；The positive power source terminal of second amplifier U3 connects 15v power supply, and second puts
The negative power end of big device U3 is connected to -15v power supply；The output end of second amplifier U3 is connected with triode by 3rd resistor R3
The collector of the base stage of Q1, triode Q1 is connected to the second amplifier U3 by the potentiometer W1 being connected in series and the 4th resistance R4
Positive input terminal, the collector of triode Q1 also passes through the negative input end that the 5th resistance R5 is connected to the second amplifier U3；Three poles
The emitter of pipe Q1 is connected to power module 24v power supply；The tie point of 4th resistance R4 and potentiometer W1 passes through the 6th resistance R6
It is connected to display unit 2.1.24v power supply can give output circuit power supply simultaneously, and control module is treated signal acquisition mould
The signal of block acquisition is transported to digital analog converter U5, and the model of digital analog converter U5, which can according to need selection, above-mentioned pin function
The digital analog converter of energy, signal are converted into analog signal transmission to the first amplifier U4, voltage amplification by digital analog converter U5
Output completes V/I conversion using the second amplifier U3, and the electric current for obtaining 4-20mA form is output to the progress of display unit 2.1
It has been shown that, the first amplifier U4 and the second amplifier U3 here can according to need the LM74 series that selection has above-mentioned pin function
Amplifier.
Temperature signal carries out high temperature early warning to indoor environment temperature to control module based on the received, and control module receives electric current
Sensor signal, it is defeated when receiving either signal exception in the voltage signal or current sensor signal of detection module detection
Warning information out；If the voltage signal that detection module is used to detect rectifier bridge output is less than to the voltage signal that microcontroller detects
When setting minimum threshold, microcontroller outputs signals to control module, and control module triggers alarm module and carries out fault pre-alarming.
The device also controls emergency light, and when the power-off of switchgear house failure, i.e., control module receives current sense
When device signal or detection module output signal either signal are 0, control emergency lighting module carries out emergency lighting.
The present apparatus is additionally provided with display module, carries out intuitive simulation output to the signal that detects, facilitate patrolman and
When grasp switchgear house state operating condition.
Temperature signal carries out high temperature early warning to indoor environment temperature to control module based on the received, and control module receives electric current
Sensor signal, it is defeated when receiving either signal exception in the voltage signal or current sensor signal of detection module detection
Warning information out；If the voltage signal that detection module is used to detect rectifier bridge output is less than to the voltage signal that microcontroller detects
When setting minimum threshold, microcontroller outputs signals to control module, and control module triggers alarm module and carries out fault pre-alarming.
The device also corresponds to lamp and is controlled, and when the power-off of switchgear house failure, i.e., control module receives current sensor
When signal or detection module output signal either signal are 0, control emergency lighting module carries out emergency lighting.
Embodiment two
A kind of switchgear house monitoring early-warning device, including signal acquisition module 3, control module 1 and alarm module 4；
Signal acquisition module 3 and alarm module 4 are connect with control module 1 respectively；
The device further includes display module 2 and illuminalive power-supply mould group 15, and the display module 2 is connect with control module 1；
Illuminalive power-supply mould group 15 includes rectification filtering module 17, detection module 8, microcontroller U2,9 and of normal power supply module
Emergency service module 13；
The external rectified filter module 17 of alternating current is connect with normal power supply module 9；Detection module 8 respectively with rectifying and wave-filtering mould
Block 17 is connected with microcontroller U2；Detection module 8 is used to detect the output voltage signal of rectification filtering module 17, emergency service mould
Block 13 is connect with rectification filtering module 17 and microcontroller U2 respectively.
Signal acquisition module 3 includes current sensor, temperature sensor and breaker coil acquisition unit；Current sense
Device, temperature sensor and breaker coil acquisition unit are connect with control module 1 respectively；Current sensor is arranged on the main circuit
For acquiring the electric current of main circuit, temperature sensor is for acquiring distribution room temperature；
The device further includes the window opener 5 being arranged on window, and the window opener 5 is connect for interior with control module 1
Control module 1 controls window opener 5 and executes windowing when temperature reaches set temperature threshold value.
The device further includes power module 16, the power module 16 respectively with control module 1, display module 2, alarm mould
Block 4 and window opener 5 connect；
Power module 16 includes 15v power supply, -15 power supplys, 24v power supply, 5v power supply by voltage transformation module output.
Emergency service module 13 includes emergency LED lamp 6 and rechargeable battery 12；The input terminal of the rectification filtering module 17 is used
In being connected to alternating current, the output end all the way of rectification filtering module 17 is connected to normal illumination module 9, rectification filtering module 17 it is another
Output end is connected to rechargeable battery 12 by charging circuit 10 all the way；Rechargeable battery 12 passes through emergency lighting circuit control unit 11
It is connect with emergency LED lamp 6；Emergency lighting circuit control unit 11 is connect with microcontroller U2；The output of rectification filtering module 17
End is also connect with detection module 8, and the output end of detection module 8 is connect with microcontroller U2, rechargeable battery 12 and microcontroller U2
Connection.
Emergency lighting circuit control unit 11 includes the photoelectrical coupler U1 and relay K1 connecting with microcontroller U2, institute
The input terminal for stating photoelectrical coupler U1 is connected to 5v power supply, the output end connection of photoelectrical coupler U1 by eleventh resistor R11
The other end to one end of relay K1 coil, relay K1 coil is connected to 24v power supply by the 21st resistance R21, after
The both ends of electric appliance K1 coil are parallel with diode D1, and it is normally opened that one end of emergency LED lamp 6 by current-limiting resistance is connected to relay K1
The first end of contact, the other end ground connection of emergency LED lamp 6, the second end of relay K1 normally opened contact are connected to 24v power supply.
If the voltage signal that the voltage signal that detection module 8 is used to detect the output of rectifier bridge 7 is detected to microcontroller U2 is small
When setting minimum threshold, microcontroller U2 outputs signals to control module 1, and control module 1 triggers alarm module 4 and carries out failure
Early warning.
Display module 2 includes digital analog converter U5 and display unit 2.1, and control module 1 is by digital analog converter U5 and shows
Show that unit 2.1 connects.
The digital input end of the digital analog converter U5 is connected to control module 1, the first output end of digital analog converter U5
It is connected with the negative input end of the first amplifier U4, the second output terminal of digital analog converter U5 and the ground terminal of digital analog converter U5 connect
It connects；The voltage input end V+ of digital analog converter is connected to 15v power supply；The voltage reference input VREF and 15v of digital analog converter
Power supply connection；
The positive input terminal of first amplifier U4 is grounded, and the positive power source terminal of the first amplifier U4 connects 15v power supply, the first amplification
The negative power end of device U4 is connected to -15v power supply, and the output end of the first amplifier U4 is connected to the resistance feedback end of digital analog converter
RFEEDBACK；The output end of first amplifier U4 also passes through the positive input terminal that first resistor R1 is connected with the second amplifier U3, and second
The negative input end of amplifier U3 is grounded by second resistance R2；The positive power source terminal of second amplifier U3 connects 15v power supply, and second puts
The negative power end of big device U3 is connected to -15v power supply；The output end of second amplifier U3 is connected with triode by 3rd resistor R3
The collector of the base stage of Q1, triode Q1 is connected to the second amplifier U3 by the potentiometer W1 being connected in series and the 4th resistance R4
Positive input terminal, the collector of triode Q1 also passes through the negative input end that the 5th resistance R5 is connected to the second amplifier U3；Three poles
The emitter of pipe Q1 is connected to power module 24v power supply；The tie point of 4th resistance R4 and potentiometer W1 passes through the 6th resistance R6
It is connected to display unit 2.1.
24v power supply can give output circuit power supply, the letter that control module acquires treated signal acquisition module simultaneously
It number is transported to digital analog converter U5, the model of digital analog converter U5, which can according to need selection, has the digital-to-analogue of above-mentioned pin function to turn
Parallel operation, control module include the dsp processor of model TM320C2XX, and signal is converted into simulation letter by digital analog converter U5
It number is transferred to the first amplifier U4, voltage amplification output completes V/I conversion using the second amplifier U3, obtains 4-20mA shape
The electric current of formula is output to display unit 2.1 and is shown, the first amplifier U4 and the second amplifier U3 here can be according to need
Select the amplifier of the LM74 series of above-mentioned pin function.
Temperature signal carries out high temperature early warning to indoor environment temperature to control module based on the received, and control module receives electric current
Sensor signal, it is defeated when receiving either signal exception in the voltage signal or current sensor signal of detection module detection
Warning information out；If the voltage signal that detection module is used to detect rectifier bridge output is less than to the voltage signal that microcontroller detects
When setting minimum threshold, microcontroller outputs signals to control module, and control module triggers alarm module and carries out fault pre-alarming.
The device also controls emergency light, and when the power-off of switchgear house failure, i.e., control module receives current sense
When device signal or detection module output signal either signal are 0, control emergency lighting module carries out emergency lighting.
The present apparatus is additionally provided with display module, carries out intuitive simulation output to the signal that detects, facilitate patrolman and
When grasp switchgear house state operating condition.
Temperature signal carries out high temperature early warning to indoor environment temperature to control module based on the received, and control module receives electric current
Sensor signal, it is defeated when receiving either signal exception in the voltage signal or current sensor signal of detection module detection
Warning information out；If the voltage signal that detection module is used to detect rectifier bridge output is less than to the voltage signal that microcontroller detects
When setting minimum threshold, microcontroller outputs signals to control module, and control module triggers alarm module and carries out fault pre-alarming.
The device also corresponds to lamp and is controlled, and when the power-off of switchgear house failure, i.e., control module receives current sensor
When signal or detection module output signal either signal are 0, control emergency lighting module carries out emergency lighting.
Disclosed above is only preferred embodiments of the present invention, but the utility model is not limited to this, any
What those skilled in the art can think does not have creative variation, and is made under the premise of not departing from the utility model principle
Several improvements and modifications, should all fall within the protection scope of the present utility model.
Claims (8)
1. a kind of switchgear house monitoring early-warning device, which is characterized in that including signal acquisition module, control module and alarm module；
Signal acquisition module and alarm module are connect with control module respectively；
The device further includes display module and illuminalive power-supply mould group, and the display module is connect with control module；
Illuminalive power-supply mould group includes rectification filtering module, detection module, microcontroller, normal power supply module and emergency service mould
Block；
The external rectified filter module of alternating current is connect with normal power supply module；Detection module respectively with rectification filtering module and micro-control
Device connection processed；Detection module is used to detect the output voltage signal of rectification filtering module, and emergency service module is filtered with rectification respectively
Wave module is connected with microcontroller.
2. a kind of switchgear house monitoring early-warning device according to claim 1, which is characterized in that alarm module includes photoelectricity report
Alert unit and audio alert unit；Photoelectric alarm unit and audio alert unit are connect with control module respectively.
3. a kind of switchgear house monitoring early-warning device according to claim 2, which is characterized in that signal acquisition module includes electricity
Flow sensor, temperature sensor and breaker coil acquisition unit；Current sensor, temperature sensor and breaker coil acquisition
Unit is connect with control module respectively；Current sensor setting is on the main circuit for acquiring the electric current of main circuit, temperature sensing
Device is for acquiring distribution room temperature；
The device further includes the window opener being arranged on window, and the window opener is connect with control module to be reached for room temperature
Control module control window opener executes windowing when set temperature threshold value.
4. a kind of switchgear house monitoring early-warning device according to claim 3, which is characterized in that the device further includes power supply mould
Block, the power module are connect with control module, display module, alarm module and window opener respectively；
Power module includes 15v power supply, -15 power supplys, 24v power supply, 5v power supply by voltage transformation module output.
5. a kind of switchgear house monitoring early-warning device according to claim 2, which is characterized in that emergency service module includes answering
Anxious LED light and rechargeable battery；The input terminal of the rectification filtering module for being connected to alternating current, rectification filtering module it is defeated all the way
Outlet is connected to normal illumination module, and the another output end of rectification filtering module is connected to rechargeable battery by charging circuit；
Rechargeable battery is connect by emergency lighting circuit control unit with emergency LED lamp；Emergency lighting circuit control unit and microcontroller
Device connection；The output end of rectification filtering module is also connect with detection module, and the output end of detection module is connect with microcontroller, is filled
Battery is connect with microcontroller.
6. a kind of switchgear house monitoring early-warning device according to claim 5, which is characterized in that emergency lighting circuit control is single
Member includes the photoelectrical coupler and relay connecting with microcontroller, and the input terminal of the photoelectrical coupler passes through eleventh resistor
It is connected to 5v power supply, the output end of photoelectrical coupler is connected to one end of relay coil, and the other end of relay coil passes through
21st resistance is connected to 24v power supply, and one end of emergency LED lamp is connected to the first end of relay normally open contact, emergency LED
The other end of lamp is grounded；The second end of relay normally open contact is connected to 24v power supply.
7. a kind of switchgear house monitoring early-warning device according to claim 4, which is characterized in that display module includes that digital-to-analogue turns
Parallel operation and display unit, control module are connect by digital analog converter with display unit.
8. a kind of switchgear house monitoring early-warning device according to claim 7, which is characterized in that the number of the digital analog converter
Word input terminal is connected to control module, and the first output end of digital analog converter is connected with the negative input end of the first amplifier, digital-to-analogue
The second output terminal of converter and the ground terminal of digital analog converter connect；The voltage input end of digital analog converter is connected to 15v electricity
Source；The voltage reference input of digital analog converter is connect with 15v power supply；
The positive input terminal of first amplifier is grounded, and the positive power source terminal of the first amplifier connects 15v power supply, the negative electricity of the first amplifier
Source is connected to -15v power supply, and the output end of the first amplifier is connected to the resistance feedback end of digital analog converter；First amplifier
Output end also pass through the positive input terminal that first resistor is connected with the second amplifier, the negative input end of the second amplifier passes through second
Resistance eutral grounding；The positive power source terminal of second amplifier connects 15v power supply, and the negative power end of the second amplifier is connected to -15v power supply；
The output end connection of second amplifier is connected with the base stage of triode by 3rd resistor, and the collector of triode is connected by series connection
The potentiometer and the 4th resistance that connect are connected to the positive input terminal of the second amplifier, and the collector of triode also passes through the 5th resistance company
It is connected to the negative input end of the second amplifier；The emitter of triode is connected to power module 24v power supply；4th resistance and potentiometer
Tie point display unit is connected to by the 6th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111988893A (en) * | 2020-08-18 | 2020-11-24 | 上海市城市建设设计研究总院（集团）有限公司 | Intelligent lighting control system suitable for it is all-round |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111988893A (en) * | 2020-08-18 | 2020-11-24 | 上海市城市建设设计研究总院（集团）有限公司 | Intelligent lighting control system suitable for it is all-round |
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