CN208969805U - A kind of fire-extinguishing apparatus automatic temperature-sensed starter - Google Patents
A kind of fire-extinguishing apparatus automatic temperature-sensed starter Download PDFInfo
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- CN208969805U CN208969805U CN201821990450.XU CN201821990450U CN208969805U CN 208969805 U CN208969805 U CN 208969805U CN 201821990450 U CN201821990450 U CN 201821990450U CN 208969805 U CN208969805 U CN 208969805U
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Abstract
The utility model discloses a kind of fire-extinguishing apparatus automatic temperature-sensed starters, including fire detection module, signal processing module, alarm output module and power configuration module.In the utility model, switching value temperature sensing cable is line type temperature-sensitive device, solves the problems, such as that there are blind areas between point detector in the prior art, expand detection area by the cooperation of infrared temperature probe D1 and switching value temperature sensing cable.Effective fire alarm function can be realized by infrared temperature probe D1 and switching value temperature sensing cable in the utility model, does not need point-type smoke detector, solves the problems, such as that point-type smoke sensor device is easy to produce wrong report in the prior art.
Description
Technical field
The utility model relates to fire detecting and alarm technical fields in safety engineering discipline, set more particularly to a kind of fire extinguishing
Standby automatic temperature-sensed starter.
Background technique
In the prior art, automatic temperature-sensed starter passes through point-type smoke sensor device mostly and point-shaped temperature sensor combines
Realize fire detection startup function, i.e., when a fire, point-type smoke sensor device detects smog variation first, secondly point
Type temperature sensor senses issue enabling signal to fire-extinguishing apparatus again after both meeting alert if to temperature change.Certainly,
Also there is the automatic temperature-sensed starter only with point-shaped temperature sensor.But either point-type smoke sensor device or point-shaped temperature
Sensor, they are all point detectors, and there are detection blind areas for point detector, once fire betides two point detectors
When intermediate position, when fire being needed to be extended to some detector investigative range at this time, detector can just quote fire alarm, this will be big
The optimal opportunity of combat of fire extinguishing is delayed greatly.Also, point-type smoke sensor device is easy to generate wrong report because of the dust in air.
Utility model content
Purpose of utility model: the purpose of the utility model is to provide a kind of fire-extinguishing apparatus automatic temperature-sensed starters, solve
There are problems that detection blind area and point-type smoke sensor device are easy to produce asking for wrong report between point detector in the prior art
Topic.
Technical solution: to reach this purpose, the utility model uses following technical scheme:
Fire-extinguishing apparatus automatic temperature-sensed starter described in the utility model, comprising:
Fire detection module: including infrared temperature probe D1 and switching value temperature sensing cable, infrared temperature probe D1's
The output end of output end and switching value temperature sensing cable is separately connected the input terminal of the first controller in signal processing module；
Signal processing module: including the first controller, the output end of the first controller is connected second in alarm output module
The input terminal of controller；
Alarm output module: including second controller and alarm unit, the output end of second controller connects alarm unit
Input terminal；
Power configuration module: the output end of power configuration module be separately connected fire detection module, signal processing module and
Alarm output module.
Further, the signal processing module further includes first comparator, the second comparator, third comparator and/or door,
The first input end of the output end connection first comparator of infrared temperature probe D1, the first threshold output end of the first controller
The second input terminal of first comparator, the output end connection of first comparator or the first input end of door are connected, infrared measurement of temperature passes
The output end of sensor D1 connects the first input end of the second comparator, the second ratio of second threshold output end connection of the first controller
Compared with the second input terminal of device, the output end connection of the second comparator or the second input terminal of door, the output of switching value temperature sensing cable
The first input end of end connection third comparator, the second of the third threshold output connection third comparator of the first controller are defeated
Enter end or the output end of door and the output end of third comparator is all connected with the input terminal of the first controller.
Further, the second controller is also connected with the control terminal of second switch K2, the input terminal connection of second switch K2
The output end of power configuration module, second switch K2 connects networking port N2；The fire-extinguishing apparatus automatic temperature-sensed starter also wraps
Networking output/input module is included, the output end of power configuration module connects networking output/input module, networking input/output mould
Block include it is I/O mouthfuls two-way, the two-way I/O mouthfuls upper level being separately connected in multiple cascade fire-extinguishing apparatus automatic temperature-sensed starters goes out
Two-way I/O mouthfuls of fiery equipment automatic temperature-sensed starter, the networking port N2 of alarm output module and level sensitive circuit it is defeated
Enter end, the output end N1 connection second controller of level sensitive circuit.Fire-extinguishing apparatus automatic temperature-sensed starter just has group in this way
The I/O mouth of multiple fire-extinguishing apparatus automatic temperature-sensed starters can be cascaded up and realize networking alarm and fire extinguishing, especially by net function
It is suitble to the automatic fire control requirement of such as workshop, warehouse, substation, garage larger space.
Further, the second controller is also connected with the control terminal of first switch K1, the input terminal connection of first switch K1
Power configuration module, the output end connection starting port N3 of first switch K1, starting port N3 is for connecting fire-extinguishing apparatus.
Further, the fire detection module further includes operational amplifier and filter, and filter includes third in parallel
Resistance R3 and first capacitor C1, switching value temperature sensing cable are open type temperature sensing cable D21, and one end of infrared temperature probe D1 is defeated
Enter the first supply voltage VDA, one end of infrared temperature probe D1 is also connected with one end of first resistor R1, and first resistor R1's is another
One end connects one end of open type temperature sensing cable D21, and the other end of open type temperature sensing cable D21 is separately connected second resistance R2's
The grid of one end and the first N-channel depletion type MOS tube M1, source electrode input the second power supply electricity of the first N-channel depletion type MOS tube M1
VL is pressed, the drain electrode of the first N-channel depletion type MOS tube M1 is separately connected one end of pull-up resistor RH, infrared temperature probe D1
The other end, one end of 3rd resistor R3, one end of first capacitor C1 and operational amplifier non-inverting input terminal, pull-up resistor RH's
The other end inputs third supply voltage VH, one end of the inverting input terminal connection balance resistance RP of operational amplifier, balance resistance
The other end of RP, the other end of 3rd resistor R3, the other end of first capacitor C1 and second resistance R2 the other end be grounded.
Further, the fire detection module further includes operational amplifier and filter, and filter includes third in parallel
Resistance R3 and first capacitor C1, switching value temperature sensing cable are closed type temperature sensing cable D22, and one end of infrared temperature probe D1 is defeated
Enter the first supply voltage VDA, one end of infrared temperature probe D1 is also connected with one end of the 4th resistance R4, and the 4th resistance R4's is another
One end is separately connected one end of closed type temperature sensing cable D22 and the grid of the first N-channel depletion type MOS tube M1, closed type temperature-sensitive
The other end of cable D22 connects one end of the 5th resistance R5, the second power supply of source electrode input of the first N-channel depletion type MOS tube M1
Voltage VL, the drain electrode of the first N-channel depletion type MOS tube M1 are separately connected one end of pull-up resistor RH, infrared temperature probe D1
The other end, 3rd resistor R3 one end, one end of first capacitor C1 and the non-inverting input terminal of operational amplifier, pull-up resistor RH
The other end input third supply voltage VH, operational amplifier inverting input terminal connection balance resistance RP one end, balance electricity
The other end for hindering the other end of RP, the other end of 3rd resistor R3, the other end of first capacitor C1 and the 5th resistance R5 is grounded.
Further, the power configuration module includes that the collector of the first triode TD1, the first triode TD1 inputs original
The collector of beginning supply voltage Vin, the first triode TD1 are also connected with one end of the 6th resistance Ra, the other end of the 6th resistance Ra
It is separately connected one end of the 7th resistance Rb and the non-inverting input terminal of the first operational amplifier AD1, another termination of the 7th resistance Rb
Ground, the inverting input terminal of the first operational amplifier AD1 are separately connected the emitter and power distribution unit of the first triode TD1
Input terminal, power distribution unit are that fire detection module, signal processing module and alarm output module distribute supply voltage, first
The non-inverting input terminal of the output end connection second operational amplifier AD2 of operational amplifier AD1, second operational amplifier AD2's is anti-
Phase input terminal connects the output end of second operational amplifier AD2, and the output end of second operational amplifier AD2 is also connected with the one or three pole
The base stage of pipe TD1.First triode TD1 is equivalent to a pipe of adjusting a wage scale, when the first triode TD1 is in magnifying state, if the
The voltage of one triode TD1 collector is shaken, and is made by the first operational amplifier AD1 and second operational amplifier AD2
Corresponding change occurs for the resistance obtained between the emitter and collector of the first triode TD1, so that the first triode TD1 is sent out
The voltage of emitter-base bandgap grading reduces shake relative to the voltage of the first triode TD1 collector.
Further, the alarm unit includes buzzer and alarm lamp, and the output end of second controller is separately connected buzzing
Device and alarm lamp.
Fire-extinguishing apparatus automatic temperature-sensed starter described in the utility model, comprising:
Fire detection module: including infrared temperature probe D1 and switching value temperature sensing cable, infrared temperature probe D1's
The output end of output end and switching value temperature sensing cable is separately connected the input terminal of controller；
Signal processing module and alarm output module: signal processing module and alarm output module include the same control
Device, alarm output module further include alarm unit, the input terminal of the output end connection alarm unit of controller；
Power configuration module: the output end of power configuration module be separately connected fire detection module, signal processing module and
Alarm output module.
The utility model has the advantages that the utility model discloses a kind of fire-extinguishing apparatus automatic temperature-sensed starters, and compared with prior art, tool
Have it is following the utility model has the advantages that
1) in the utility model, switching value temperature sensing cable is line type temperature-sensitive device, by infrared temperature probe D1 with open
The cooperation of pass amount temperature sensing cable solves the problems, such as that there are blind areas between point detector in the prior art, expand test surface
Product；
2) effective fire report can be realized by infrared temperature probe D1 and switching value temperature sensing cable in the utility model
Alert function, does not need point-type smoke detector, solves the problems, such as that point-type smoke sensor device is easy to produce wrong report in the prior art.
Detailed description of the invention
Fig. 1 is that fire detection module uses the first embodiment, signal processing mould in specific embodiment of the present invention
Total electricity of fire equipment automatic temperature-sensed starter when block uses the first embodiment using the third embodiment, alarm output module
Road schematic diagram；
Fig. 2 is circuit diagram when fire detection module is using second of embodiment in specific embodiment of the present invention；
Fig. 3 is the circuit diagram of power configuration module in specific embodiment of the present invention；
Fig. 4 is the circuit diagram of level sensitive circuit in specific embodiment of the present invention.
Specific embodiment
The technical solution of the utility model is further introduced with attached drawing With reference to embodiment.
Present embodiment discloses a kind of fire-extinguishing apparatus automatic temperature-sensed starter, including fire detection module, signal
Processing module, alarm output module and power configuration module.If realizing networking function, can also be exported including networking/defeated
Enter module.Modules are introduced below.
1, fire detection module
Fire detection module includes infrared temperature probe D1 and switching value temperature sensing cable, infrared temperature probe D1 acquisition
Environment temperature and environment temperature heating rate the two signals, switching value temperature sensing cable acquire ambient temperature signal.In order to distinguish,
The collected ambient temperature signal of infrared temperature probe D1 is known as first environment temperature signal, switching value temperature sensing cable is adopted
The ambient temperature signal collected is known as second environment temperature signal.The output end and switching value temperature-sensitive electricity of infrared temperature probe D1
The output end of cable is separately connected signal processing module, particularly for the first embodiment of signal processing module and alarm output module
For second embodiment, using following connection type: when signal processing module and alarm output module use the first reality
When applying namely when signal processing module include the first controller, alarm output module includes second controller, infrared measurement of temperature is passed
The output end of sensor D1 and the output end of switching value temperature sensing cable are separately connected the input of the first controller in signal processing module
End；When signal processing module and alarm output module use second of embodiment namely signal processing module and warning output
When module includes the same controller, the output end of infrared temperature probe D1 and the output end difference of switching value temperature sensing cable
Connect the input terminal of controller.Switching value temperature sensing cable can use open type temperature sensing cable D21, as shown in Figure 1, this is fire
The first embodiment of detecting module；Closed type temperature sensing cable D22 can also be used, as shown in Fig. 2, this is fire detection module
Second of embodiment.Both embodiments are introduced separately below.
(1) the first embodiment
In the first embodiment, fire detection module includes operational amplifier and filter, as shown in Figure 1, filter packet
3rd resistor R3 and first capacitor C1 in parallel are included, switching value temperature sensing cable is open type temperature sensing cable D21, infrared measurement of temperature sensing
One end of device D1 inputs the first supply voltage VDA, and one end of infrared temperature probe D1 is also connected with one end of first resistor R1, the
One end of the other end connection open type temperature sensing cable D21 of one resistance R1, the other end of open type temperature sensing cable D21 are separately connected
The source electrode of the grid of one end of second resistance R2 and the first N-channel depletion type MOS tube M1, the first N-channel depletion type MOS tube M1 is defeated
Enter the second supply voltage VL, the drain electrode of the first N-channel depletion type MOS tube M1 is separately connected one end of pull-up resistor RH, infrared survey
The other end of temperature sensor D1, one end of 3rd resistor R3, one end of first capacitor C1 and operational amplifier non-inverting input terminal,
The other end of pull-up resistor RH inputs third supply voltage VH, and the inverting input terminal of operational amplifier connects the one of balance resistance RP
End, the other end of balance resistance RP, the other end of 3rd resistor R3, the other end of first capacitor C1 and second resistance R2 it is another
End is grounded.VL<VH.Signal is amplified in the most smooth interval range of A/D sampling linearity by operational amplifier, is guaranteed subsequent
The stability of A/D conversion.
When the collected environment temperature of open type temperature sensing cable D21 is lower than second temperature threshold value T2, the first N-channel exhausts
The grid of type metal-oxide-semiconductor M1 is pulled down by second resistance R2 and is grounded, and the first N-channel depletion type MOS tube M1 is obstructed, and the first N-channel exhausts
Type metal-oxide-semiconductor M1 drain electrode voltage Vd1 be third supply voltage VH, the first supply voltage VDA by infrared temperature probe D1, on
The partial pressure of pull-up resistor RH and 3rd resistor R3, Vd1=VT1.When the collected environment temperature of open type temperature sensing cable D21 is higher than the
When two temperature threshold T2, open type temperature sensing cable D21 closure, the grid voltage of the first N-channel depletion type MOS tube M1 is the first electricity
R1 and second resistance R2 is hindered to the partial pressure of the first supply voltage VDA, and grid voltage is greater than on state threshold voltage, the first N ditch at this time
The voltage Vd1 of road depletion type MOS tube M1 conducting, the first N-channel depletion type MOS tube M1 drain electrode is pulled down to VL, Vd1=VT1=
VL。
(2) second of embodiment
In second of embodiment, fire detection module includes operational amplifier and filter, as shown in Fig. 2, filter packet
3rd resistor R3 and first capacitor C1 in parallel are included, switching value temperature sensing cable is closed type temperature sensing cable D22, infrared measurement of temperature sensing
One end of device D1 inputs the first supply voltage VDA, and one end of infrared temperature probe D1 is also connected with one end of the 4th resistance R4, the
The other end of four resistance R4 is separately connected one end of closed type temperature sensing cable D22 and the grid of the first N-channel depletion type MOS tube M1
Pole, the other end of closed type temperature sensing cable D22 connect one end of the 5th resistance R5, the source electrode of the first N-channel depletion type MOS tube M1
The drain electrode for inputting the second supply voltage VL, the first N-channel depletion type MOS tube M1 is separately connected one end of pull-up resistor RH, infrared
The other end of temperature transducer D1, one end of 3rd resistor R3, one end of first capacitor C1 and operational amplifier homophase input
End, the other end of pull-up resistor RH input third supply voltage VH, and the inverting input terminal of operational amplifier connects balance resistance RP
One end, the other end of balance resistance RP, the other end of 3rd resistor R3, the other end of first capacitor C1 and the 5th resistance R5
The other end is grounded.Signal is amplified in the most smooth interval range of A/D sampling linearity by operational amplifier, guarantees subsequent A/
The stability of D conversion.
When the collected environment temperature of closed type temperature sensing cable D22 is lower than second temperature threshold value T2, the first N-channel exhausts
The grid voltage of type metal-oxide-semiconductor M1 is partial pressure of the 4th resistance R4 and the 5th resistance R5 to the first supply voltage VDA, and grid voltage is small
In on state threshold voltage, the first N-channel depletion type MOS tube is obstructed, and the first N-channel depletion type MOS tube drain voltage Vd2 is third
Supply voltage VH, the first supply voltage VDA pass through the partial pressure of infrared temperature probe D1, pull-up resistor RH and 3rd resistor R3,
Vd2=VT2.When the collected environment temperature of open type temperature sensing cable D22 is higher than second temperature threshold value T2, closed type temperature-sensitive electricity
Cable D22 is disconnected, and the grid of the first N-channel depletion type MOS tube is pulled to the first supply voltage VDA, grid electricity by the 4th resistance R4
Pressure is greater than on state threshold voltage, the conducting of the first N-channel depletion type MOS tube, the first N-channel depletion type MOS tube drain voltage Vd2 quilt
It is pulled down to VL, Vd2=VT2=VL.
2, signal processing module
There are four types of embodiments for signal processing module, are described below respectively:
(1) the first embodiment
Signal processing module includes the first controller.The first embodiment of signal processing module and alarm output module
The first embodiment is simultaneously used in a fire-extinguishing apparatus automatic temperature-sensed starter.The output end of infrared temperature probe D1 and
The output end of switching value temperature sensing cable is separately connected the input terminal of the first controller, and the output end connection alarm of the first controller is defeated
Out in the first embodiment of module second controller input terminal.First controller and second controller can use existing skill
Art is realized, for example, the single-chip microcontroller of model stm32f103rct6, stm32f103rbt6 can be used.First controller is to red
The process that the signal of outer temperature transducer D1 output end and the signal of switching value temperature sensing cable output end are judged passes through existing
Controller in technology can be achieved with, and second controller passes through according to the process that the first controller judging result controls alarm unit
Controller in the prior art can be achieved with.The utility model does not include the innovation to the first controller and second controller.This
Outside, it can integrate A/D conversion function in the first controller, A/D conversion function can also be separated, visited by being set to fire
The A/D converter surveyed between module and the first controller is realized.It can integrate D/A conversion function in second controller, it can also
To separate D/A conversion function, realized by the D/A converter being set between the first controller and second controller.
(2) second of embodiment
Signal processing module and alarm output module include the same controller.Second of implementation of signal processing module
Second of embodiment of example and alarm output module is simultaneously used in a fire-extinguishing apparatus automatic temperature-sensed starter.Infrared measurement of temperature
The output end of sensor D1 and the output end of switching value temperature sensing cable are separately connected the input terminal of controller, the output end of controller
Connect the input terminal of alarm unit in second of embodiment of alarm output module.Controller can realize using the prior art,
For example, the single-chip microcontroller of model stm32f103rct6, stm32f103rbt6 can be used.Controller is to infrared temperature probe D1
The process and report is controlled according to judging result that the signal of output end and the signal of switching value temperature sensing cable output end are judged
The process of alert unit can be achieved with by controller in the prior art.The utility model does not include the innovation to controller.This
Outside, A/D conversion function and D/A conversion function be can integrate in controller, it can also be by A/D conversion function and D/A conversion function point
It separates out and, realized by A/D converter and D/A converter.
(3) the third embodiment
Signal processing module includes the first controller, first comparator, the second comparator, third comparator and/or door.Letter
Number the third embodiment of processing module and the first embodiment of alarm output module be simultaneously used in a fire-extinguishing apparatus from
In dynamic startup temperature device.First comparator, the second comparator, third comparator and/or door do not show in Fig. 1, only
Illustrated with the symbol of a comparator, is subject to explanatory note.First controller has first threshold output end, second threshold
Output end and third threshold output, wherein first threshold output end is for exporting to macro fixed after the first temperature threshold T1 calibration
Justice at digital quantity VD1, second threshold output end be used for export to heating rate threshold value Δ T calibrate after macrodefinition at digital quantity
Δ VD, third threshold output be used for export second temperature threshold value T2 calibration after macrodefinition at digital quantity VD2.Infrared measurement of temperature passes
The first input end of the output end connection first comparator of sensor D1, the first ratio of first threshold output end connection of the first controller
Compared with the second input terminal of device, the output end connection of first comparator or the first input end of door, infrared temperature probe D1's is defeated
Outlet connects the first input end of the second comparator, and the second threshold output end of the first controller connects the second of the second comparator
Input terminal, the output end connection of the second comparator or the second input terminal of door, the output end of switching value temperature sensing cable connect third
The first input end of comparator, the second input terminal or door of the third threshold output connection third comparator of the first controller
Output end and the output end of third comparator be all connected with the input terminal of the first controller.The output end of first controller connects report
The input terminal of second controller in alert the first embodiment of output module.First controller and second controller can be using existing
There is technology to realize, for example, the single-chip microcontroller of model stm32f103rct6, stm32f103rbt6 can be used.Above-mentioned comparison
Journey is realized by this hardware circuit of comparator, is to the innovation on circuit structure, not comprising to the innovation in method.
First controller is used only for exporting digital quantity according to comparison result, and what this was utilized is the function of controller in the prior art, is adopted
It can be achieved with controller in the prior art.The discrete control alarm unit that second controller is exported according to the first controller
Process can be achieved with by controller in the prior art.The utility model does not include to the first controller and second controller
Innovation.In addition, can integrate A/D conversion function in the first controller, A/D conversion function can also be separated, be passed through
A/D converter between fire detection module and the first controller is realized.It can integrate D/A conversion in second controller
Function can also separate D/A conversion function, be converted by the D/A being set between the first controller and second controller
Device is realized.
(4) the 4th kinds of embodiments
Signal processing module and alarm output module include the same controller.In addition, signal processing module further includes
First comparator, the second comparator, third comparator and/or door.The 4th kind of embodiment and warning output mould of signal processing module
Second of embodiment of block is simultaneously used in a fire-extinguishing apparatus automatic temperature-sensed starter.Controller is exported with first threshold
End, second threshold output end and third threshold output, wherein first threshold output end is for exporting to the first temperature threshold T1
After calibration macrodefinition at digital quantity VD1, second threshold output end for export to heating rate threshold value Δ T calibration after macrodefinition
At digital quantity Δ VD, third threshold output be used for export second temperature threshold value T2 calibration after macrodefinition at digital quantity VD2.
The first input end of the output end connection first comparator of infrared temperature probe D1, the first threshold output end connection of controller
Second input terminal of first comparator, the output end connection of first comparator or the first input end of door, infrared temperature probe
The output end of D1 connects the first input end of the second comparator, and the second threshold output end of controller connects the of the second comparator
Two input terminals, the output end connection of the second comparator or the second input terminal of door, the output end connection the of switching value temperature sensing cable
The first input end of three comparators, second input terminal or door of the third threshold output connection third comparator of controller
The output end of output end and third comparator is all connected with the input terminal of controller.The output end of controller connects alarm output module
The input terminal of alarm unit in second of embodiment.Controller can be realized using the prior art, for example, model can be used
The single-chip microcontroller of stm32f103rct6, stm32f103rbt6.Above-mentioned comparison procedure is all real by this hardware circuit of comparator
Existing, it is to the innovation on circuit structure, not comprising to the innovation in method.Controller is used only for being exported according to comparison result
Digital quantity and according to discrete control alarm unit, what this was utilized is the function of controller in the prior art, using existing skill
Controller in art can be achieved with.The utility model does not include the innovation to controller.In addition, can integrate A/D in controller
Conversion function and D/A conversion function can also separate A/D conversion function and D/A conversion function, by A/D converter and
D/A converter is realized.
3, alarm output module
There are two types of embodiments for alarm output module, are described below respectively:
(1) the first embodiment
The first embodiment of alarm output module and the first embodiment of signal processing module are simultaneously used in one
In fire-extinguishing apparatus automatic temperature-sensed starter.Alarm output module includes second controller and alarm unit, as shown in Figure 1, second
The input terminal of the output end connection alarm unit of controller.Alarm unit includes buzzer and alarm lamp.Second controller also divides
Not Lian Jie the control terminal of first switch K1 and the control terminal of second switch K2, the input terminal of first switch K1 connects power configuration mould
The port of output voltage U1 in block, the input terminal of second switch K2 connect the port of output voltage U2 in power configuration module, the
The output end connection starting port N3 of one switch K1, starting port N3 is for connecting fire-extinguishing apparatus, the output end of second switch K2
Connect networking port N2.In addition, networking port N2 is also connected with two-way I/O mouthfuls in networking output/input module.Second controller
It is also connected with the output end N1 of level sensitive circuit in networking output/input module.It can integrate D/A conversion function in second controller
Can, D/A conversion function can also be separated, pass through the D/A converter being set between the first controller and second controller
It realizes, as shown in Figure 1.
(2) second of embodiment
Second of embodiment of alarm output module and second of embodiment of signal processing module are simultaneously used in one
In fire-extinguishing apparatus automatic temperature-sensed starter.Alarm output module and signal processing module include the same controller, are alarmed defeated
Module further includes alarm unit out.Alarm unit includes buzzer and alarm lamp.The output end connection alarm unit of controller
Input terminal.Controller is also respectively connected with the control terminal of first switch K1 and the control terminal of second switch K2, and first switch K1's is defeated
Enter the port of output voltage U1 in end connection power configuration module, the input terminal of second switch K2 connects defeated in power configuration module
The port of voltage U2 out, the output end connection starting port N3 of first switch K1, starts port N3 and is used to connect fire-extinguishing apparatus, the
The output end of two switch K2 connects networking port N2.In addition, networking port N2 be also connected with it is two-way in networking output/input module
I/O mouthfuls.Controller is also connected with the output end N1 of level sensitive circuit in networking output/input module.It can integrate in controller
A/D conversion function and D/A conversion function can also be separated, pass through A/D converter by A/D conversion function and D/A conversion function
It is realized with D/A converter.
4, networking output/input module
Networking output/input module includes two-way I/O mouthfuls and level sensitive circuit, as shown in Figure 1, two-way I/O mouthfuls of difference
Connect the two-way I/O of the upper level fire-extinguishing apparatus automatic temperature-sensed starter in multiple cascade fire-extinguishing apparatus automatic temperature-sensed starters
The output end N1 of mouth, the networking port N2 of alarm output module and the input terminal of level sensitive circuit, level sensitive circuit connects
The control in second of embodiment of second controller or alarm output module in the first embodiment of output module taking alarm
Device.
Level sensitive circuit is as shown in figure 4, one end including the second capacitor C12, the second capacitor C12 is electric as level detection
One end of the input terminal N11, the second capacitor C12 on road are also connected with one end of the 8th resistance R12, the other end point of the 8th resistance R12
Not Lian Jie one end of the 9th resistance R11 and one end of third capacitor C11, the other end of the 8th resistance R12 is also used as level detection
The output end N1 of circuit, the other end of the other end of the second capacitor C12, the other end of the 9th resistance R11 and third capacitor C11 are equal
Ground connection.Output end N1 is pulled down and is grounded in the case where input terminal N11 no-voltage signal by the 9th resistance R11, and original levels are arranged
For low level.8th resistance R12 carries out current limliting in the case where input terminal N11 has voltage signal, to electric current, avoids damaging and alarm
Controller or second controller in output module.Also, the 8th resistance R12 and the 9th resistance R11 constitutes partial pressure, by voltage
Signal is limited in controller or the acceptable voltage range of second controller.9th resistance R11 also with third capacitor C11
First-order filtering is constituted, stably measured signal is played the role of.Second capacitor C12 serves jamproof.
5, power configuration module
Power configuration module be used for for fire detection module, signal processing module, alarm output module and networking output/it is defeated
Enter module for power supply, it includes the first triode TD1, as shown in figure 3, the collector of the first triode TD1 inputs original power supply electricity
Vin is pressed, the collector of the first triode TD1 is also connected with one end of the 6th resistance Ra, and the other end of the 6th resistance Ra is separately connected
The non-inverting input terminal of one end of the 7th resistance Rb and the first operational amplifier AD1, the other end ground connection of the 7th resistance Rb, the first fortune
The inverting input terminal for calculating amplifier AD1 is separately connected the emitter of the first triode TD1 and the input terminal of power distribution unit, electricity
Source allocation unit is that fire detection module, signal processing module and alarm output module distribute supply voltage, the first operation amplifier
The non-inverting input terminal of the output end connection second operational amplifier AD2 of device AD1, the inverting input terminal of second operational amplifier AD2
The output end of second operational amplifier AD2 is connected, the output end of second operational amplifier AD2 is also connected with the first triode TD1's
Base stage.The collector voltage (Vout in Fig. 3) of first triode TD1 has been distributed into several power supply electricity by power distribution unit
Pressure, respectively U1, U2, VH, VL, VDD and VDA.VDD is the first controller or controller power supply in signal processing module.
Power distribution unit can be realized using the prior art, for example, the power module of model D050505S-2W can be used.
Claims (9)
1. a kind of fire-extinguishing apparatus automatic temperature-sensed starter, it is characterised in that: include:
Fire detection module: including infrared temperature probe D1 and switching value temperature sensing cable, the output of infrared temperature probe D1
The output end of end and switching value temperature sensing cable is separately connected the input terminal of the first controller in signal processing module；
Signal processing module: including the first controller, second is controlled in the output end connection alarm output module of the first controller
The input terminal of device；
Alarm output module: including second controller and alarm unit, the output end of second controller connects the defeated of alarm unit
Enter end；
Power configuration module: the output end of power configuration module is separately connected fire detection module, signal processing module and alarm
Output module.
2. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the signal processing module is also
Including first comparator, the second comparator, third comparator and/or door, the first ratio of output end connection of infrared temperature probe D1
Compared with the first input end of device, the second input terminal of the first threshold output end connection first comparator of the first controller, the first ratio
Compared with the output end connection of device or the first input end of door, the output end of infrared temperature probe D1 connects the first of the second comparator
Input terminal, the second threshold output end of the first controller connect the second input terminal of the second comparator, the output of the second comparator
Second input terminal of end connection or door, the first input end of the output end connection third comparator of switching value temperature sensing cable, first
Controller third threshold output connection third comparator the second input terminal or door output end and third comparator it is defeated
Outlet is all connected with the input terminal of the first controller.
3. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the second controller also connects
The control terminal of second switch K2 is connect, the input terminal of second switch K2 connects power configuration module, and the output end of second switch K2 connects
Meet networking port N2；The fire-extinguishing apparatus automatic temperature-sensed starter further includes networking output/input module, power configuration module
Output end connect networking output/input module, networking output/input module include it is I/O mouthfuls two-way, two-way I/O mouthfuls is separately connected
Two-way I/O mouthfuls of upper level fire-extinguishing apparatus automatic temperature-sensed starter in multiple cascade fire-extinguishing apparatus automatic temperature-sensed starters,
The networking port N2 of alarm output module and the input terminal of level sensitive circuit, the output end N1 connection of level sensitive circuit
Two controllers.
4. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the second controller also connects
The control terminal of first switch K1 is connect, the input terminal of first switch K1 connects power configuration module, and the output end of first switch K1 connects
Starting port N3 is met, starting port N3 is for connecting fire-extinguishing apparatus.
5. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the fire detection module is also
Including operational amplifier and filter, filter includes 3rd resistor R3 and first capacitor C1 in parallel, switching value temperature sensing cable
One end for open type temperature sensing cable D21, infrared temperature probe D1 inputs the first supply voltage VDA, infrared temperature probe
One end of D1 is also connected with one end of first resistor R1, and the other end of first resistor R1 connects one end of open type temperature sensing cable D21,
The other end of open type temperature sensing cable D21 is separately connected one end of second resistance R2 and the grid of the first N-channel depletion type MOS tube M1
The source electrode of pole, the first N-channel depletion type MOS tube M1 inputs the second supply voltage VL, the leakage of the first N-channel depletion type MOS tube M1
Pole is separately connected one end of pull-up resistor RH, the other end of infrared temperature probe D1, one end of 3rd resistor R3, first capacitor
The other end of one end of C1 and the non-inverting input terminal of operational amplifier, pull-up resistor RH inputs third supply voltage VH, and operation is put
One end of the inverting input terminal connection balance resistance RP of big device, the other end of balance resistance RP, the other end of 3rd resistor R3, the
The other end of one capacitor C1 and the other end of second resistance R2 are grounded.
6. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the fire detection module is also
Including operational amplifier and filter, filter includes 3rd resistor R3 and first capacitor C1 in parallel, switching value temperature sensing cable
One end for closed type temperature sensing cable D22, infrared temperature probe D1 inputs the first supply voltage VDA, infrared temperature probe
One end of D1 is also connected with one end of the 4th resistance R4, and the other end of the 4th resistance R4 is separately connected closed type temperature sensing cable D22's
The other end of the grid of one end and the first N-channel depletion type MOS tube M1, closed type temperature sensing cable D22 connects the 5th resistance R5's
The source electrode of one end, the first N-channel depletion type MOS tube M1 inputs the second supply voltage VL, the first N-channel depletion type MOS tube M1's
Drain electrode is separately connected one end of pull-up resistor RH, the other end of infrared temperature probe D1, one end of 3rd resistor R3, the first electricity
Hold one end of C1 and the non-inverting input terminal of operational amplifier, the other end of pull-up resistor RH inputs third supply voltage VH, operation
One end of the inverting input terminal connection balance resistance RP of amplifier, the other end of balance resistance RP, 3rd resistor R3 the other end,
The other end of the other end of first capacitor C1 and the 5th resistance R5 are grounded.
7. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the power configuration module packet
The collector for including the first triode TD1, the first triode TD1 inputs original supply voltage Vin, the current collection of the first triode TD1
Pole is also connected with one end of the 6th resistance Ra, and the other end of the 6th resistance Ra is separately connected one end and the first operation of the 7th resistance Rb
The non-inverting input terminal of amplifier AD1, the other end ground connection of the 7th resistance Rb, the inverting input terminal point of the first operational amplifier AD1
Do not connect the emitter of the first triode TD1 and the input terminal of power distribution unit, power distribution unit be fire detection module,
Signal processing module and alarm output module distribute supply voltage, and the output end of the first operational amplifier AD1 connects the second operation
The non-inverting input terminal of amplifier AD2, the inverting input terminal connection second operational amplifier AD2's of second operational amplifier AD2 is defeated
Outlet, the output end of second operational amplifier AD2 are also connected with the base stage of the first triode TD1.
8. fire-extinguishing apparatus automatic temperature-sensed starter according to claim 1, it is characterised in that: the alarm unit includes bee
Ring device and alarm lamp, the output end of second controller are separately connected buzzer and alarm lamp.
9. a kind of fire-extinguishing apparatus automatic temperature-sensed starter, it is characterised in that: include:
Fire detection module: including infrared temperature probe D1 and switching value temperature sensing cable, the output of infrared temperature probe D1
The output end of end and switching value temperature sensing cable is separately connected the input terminal of controller；
Signal processing module and alarm output module: signal processing module and alarm output module include the same controller,
Alarm output module further includes alarm unit, the input terminal of the output end connection alarm unit of controller；
Power configuration module: the output end of power configuration module is separately connected fire detection module, signal processing module and alarm
Output module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990450.XU CN208969805U (en) | 2018-11-30 | 2018-11-30 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter |
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|---|---|---|---|
| CN201821990450.XU CN208969805U (en) | 2018-11-30 | 2018-11-30 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243132A (en) * | 2018-11-30 | 2019-01-18 | 江苏中实电子有限公司 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter and method |
| TWI803316B (en) * | 2022-05-13 | 2023-05-21 | 川圓科技股份有限公司 | Firefighting system |
-
2018
- 2018-11-30 CN CN201821990450.XU patent/CN208969805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243132A (en) * | 2018-11-30 | 2019-01-18 | 江苏中实电子有限公司 | A kind of fire-extinguishing apparatus automatic temperature-sensed starter and method |
| TWI803316B (en) * | 2022-05-13 | 2023-05-21 | 川圓科技股份有限公司 | Firefighting system |
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