CN206849218U - Fire detector, rack and fire detecting system - Google Patents
Fire detector, rack and fire detecting system Download PDFInfo
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- CN206849218U CN206849218U CN201720721642.XU CN201720721642U CN206849218U CN 206849218 U CN206849218 U CN 206849218U CN 201720721642 U CN201720721642 U CN 201720721642U CN 206849218 U CN206849218 U CN 206849218U
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- 239000002245 particle Substances 0.000 claims abstract description 93
- 238000000197 pyrolysis Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 230000035945 sensitivity Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The utility model provides a kind of fire detector, rack and fire detecting system, is related to fire detecting and alarm technical field.Wherein, fire detector includes：It is pyrolyzed particle sensor, control device and warning device；Pyrolysis particle sensor is connected with control device, the particle concentration information of collection pyrolysis particle, and generates electric signal according to particle concentration information, and electric signal is sent to control device；Control device is connected with warning device, and electric signal is handled, and when the particle concentration for judging pyrolysis particle is more than predetermined threshold value, alarm command is sent to warning device；Warning device is alarmed according to alarm command, and shows the particle concentration information of pyrolysis particle.Fire detector provided by the utility model can carry out fire-alarm prediction exactly in the range of lower temperature, and can avoid reporting by mistake caused by dust or steam.
Description
Technical field
The utility model is related to fire detecting and alarm technical field, more particularly, to a kind of fire detector, rack and
Fire detecting system.
Background technology
Critical pyrolysis temperature be present with protection electrical equipment in the electric wire used in industry and life.Less than the temperature, pyrolysis
Caused exhaust gas volumn is extremely low, can not carry out reliable detection；After heating temperature is higher than the critical-temperature, flue gas starts aggravation analysis
Go out.
The critical-temperature of electric wire and protection appliance material is typically at 150 DEG C~220 DEG C.At present can be dense to the scope smoke particle
Degree carries out mainly air suction type fire disaster detector and the laser fire detector, but the detection principle of both equipment of early detection
The foundation directly judged by laser or LED as light source, detector according to the situation of scattering as fire, can not avoid ash
Reported by mistake caused by the reasons such as dirt, steam, equally, smoke fire detector is vulnerable to the influence of surrounding environment, such as dust etc.,
Easily cause wrong report, also can not effectively be avoided even if filter is installed additional.In addition, above-mentioned several fire detectors can be alarmed
Temperature range it is higher, generally more than 200 DEG C.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of fire detector, rack and fire detecting system,
Fire-alarm prediction can be carried out exactly in the range of lower temperature, and can avoid reporting by mistake caused by dust or steam.
In a first aspect, the utility model embodiment provides a kind of fire detector, including：It is pyrolyzed particle sensor, control
Device and warning device processed；
Pyrolysis particle sensor is connected with control device, the particle concentration information of collection pyrolysis particle, and dense according to particle
Information generation electric signal is spent, electric signal is sent to the control device；
Control device is connected with warning device, and electric signal is handled, and big in the particle concentration for judging pyrolysis particle
When predetermined threshold value, alarm command is sent to warning device；
Warning device is alarmed according to alarm command, and shows the particle concentration information of pyrolysis particle.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, control device includes：Signal acquisition circuit, signal processing circuit and microprocessor；
Signal acquisition circuit is connected with signal processing circuit, receives the electric signal transmitted by pyrolysis particle sensor, and will
Electric signal is sent to signal processing circuit；
Signal processing circuit is connected with microprocessor, and electric signal is carried out into operation amplifier processing, the signal after processing is sent out
Deliver to microprocessor；
Microprocessor is connected with warning device, is judged according to the signal after processing, is judging the particle of pyrolysis particle
When number is more than predetermined threshold value, alarm command is sent to warning device.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, warning device includes：Information display circuit, audible alarm circuit；
Information display circuit is connected with microprocessor, the alarm command according to transmitted by microprocessor, display pyrolysis particle
Particle concentration information；
Audible alarm circuit is connected with microprocessor, the alarm command according to transmitted by microprocessor, carries out audible alarm.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, in addition to：Communicating circuit；
Communicating circuit is connected with control device, for fire hazard monitoring equipment real-time communication.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, in addition to：Circuit is set；
Circuit is set to be connected with control device, for being modified to the detection sensitivity of fire detector.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, in addition to：Working state indicating circuit；
Working state indicating circuit is connected with control device, to show the working condition of fire detector.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, in addition to：Power module；
Power module is connected with control device, is powered for fire detector.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, power module includes：Charging circuit and storing up electricity circuit；
The input of charging circuit is used to connect external power supply, is charged with receiving outer power voltage；
The output end of charging circuit is connected with storing up electricity circuit, and the electricity of charging is stored in storing up electricity circuit；
Storing up electricity circuit is powered for control device.
Second aspect, the utility model embodiment provide a kind of rack, including：Casing and fire as described in relation to the first aspect
Fire detector；
Fire detector is installed in casing, the early warning for electrical fire.
The third aspect, the utility model embodiment also provide a kind of fire detecting system, and system includes：Fire monitoring equipment
And at least one rack as described in second aspect；
The fire detector installed in rack includes：Communicating circuit；
Fire detector is sent fire alarm information to fire monitoring equipment, so that staff by communicating circuit
Take measures in time.
The technical scheme that the utility model embodiment provides brings following beneficial effect：The utility model embodiment provides
Fire detector in, including：It is pyrolyzed particle sensor, control device and warning device.Wherein, be pyrolyzed particle sensor with
Control device connects, and for gathering the particle concentration information of pyrolysis particle, and generates electric signal according to particle concentration information and sends
To the control device；Control device is connected with warning device, and electric signal is handled, and in the particle for judging pyrolysis particle
When concentration is more than predetermined threshold value, alarm command is sent to warning device；Warning device is alarmed according to alarm command, and is shown
It is pyrolyzed the particle concentration of particle.The fire detector that the utility model embodiment is provided, can be with by being pyrolyzed particle sensor
The change in concentration that particle is pyrolyzed around it is sensed exactly, and then is judged by being pyrolyzed particle concentration, to realize relatively low
In the range of temperature, fire-alarm prediction is carried out exactly, and can avoid reporting by mistake caused by dust or steam.In addition, this reality
The fire detector provided with new embodiment, without being directly connected to monitoring system main frame, it can conveniently set up multiple
Alarm point, and installation is simple, cost is low, is advantageous to popularize on a large scale.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of schematic diagram for fire detector that the utility model embodiment one is provided；
Fig. 2 shows a kind of schematic diagram for fire detector that the utility model embodiment two is provided；
Fig. 3 shows the circuit diagram of power module in a kind of fire detector that the utility model embodiment two is provided；
Fig. 4 shows a kind of sectional view for fire detector that the utility model embodiment two is provided；
Fig. 5 shows a kind of schematic diagram for rack that the utility model embodiment three is provided；
Fig. 6 shows a kind of schematic diagram for fire detecting system that the utility model embodiment four is provided.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
Current existing air suction type fire disaster detector and laser fire detector, generally by laser or LED as light source, directly
The foundation judged according to the situation of scattering as fire is connect, can not avoid reporting by mistake caused by the reasons such as dust, steam, equally, sense
Pyrotechnics fire detector is vulnerable to the influence of surrounding environment, such as dust etc., also easily causes wrong report, even if install additional filter also without
Method effectively avoids.In addition, the temperature range that above-mentioned several fire detectors can be alarmed is higher, generally more than 200 DEG C.
Based on this, fire detector, rack and the fire detecting system that the utility model embodiment provides can be in lower temperatures
In the range of, fire-alarm prediction is carried out exactly, and can avoid reporting by mistake caused by dust or steam.
For ease of understanding the present embodiment, first to a kind of fire detector disclosed in the utility model embodiment
Describe in detail.
Embodiment one：
The utility model embodiment provides a kind of fire detector, be configured in the low-voltage distribution cabinet of one-level or two level,
The network cabinet of large-scale data center is interior, the important communication equipment enclosure of communication base station is interior etc., helps to realize that controller switching equipment is sent out
The early warning of raw electrical fire.
Shown in Figure 1, the fire detector includes：It is pyrolyzed particle sensor 11, control device 12 and warning device
13.Wherein, pyrolysis particle sensor 11 is connected with control device 12, the particle concentration information of collection pyrolysis particle, according to the grain
Sub- concentration information generates electric signal, and sends to control device 12；Control device 12 is connected with warning device 13, and electric signal is entered
Row processing, and when the particle concentration for judging pyrolysis particle is more than predetermined threshold value, alarm command is sent to warning device 13；Alarm
Device 13 is alarmed according to alarm command, and shows the particle concentration information of pyrolysis particle.
In general, a critical pyrolysis temperature all be present in the electric wire and protection electrical equipment used in industrial and life.It is less than
During the critical pyrolysis temperature, exhaust gas volumn caused by pyrolysis is extremely low, can not carry out reliable detection；When actual heating temperature faces higher than this
After boundary's pyrolysis temperature, flue gas starts aggravation and separated out, at this moment, can be by being pyrolyzed particle sensor 11, the grain of collection pyrolysis in real time
The particle concentration information of son, and electric signal will be sent to control device 12, it is simple that control device 12 carries out some to the electric signal
Enhanced processing, then judged according to the signal after processing.
In control device 12, the particle concentration threshold value set is previously stored with, when the particle concentration of pyrolysis particle is big
When the threshold value, control device 12 sends alarm command to warning device 13, so that warning device 13 enters according to the alarm command
Row alarm, at the same time, the particle concentration information according to pyrolysis particle can also be shown.It can so make staff timely
Ground takes appropriate measures to fire alarm, to avoid the generation of fire.
The fire detector that the utility model embodiment is provided, it is a kind of to prevent or fire preventing occurs, and sends
Alarm to remind or warn related personnel to take the electronic product of the precautionary measures.It can be accurate by being pyrolyzed particle sensor 11
Ground senses the change in concentration that particle is pyrolyzed around it, and then control device 12 is judged by being pyrolyzed particle concentration, with reality
In the range of present lower temperature, fire-alarm prediction is carried out exactly, and can avoid reporting by mistake caused by dust or steam.This
Outside, the fire detector that the utility model embodiment is provided, without being directly connected to monitoring system main frame, can easily set
Multiple alarm points are put, and installation is simple, cost is low, is advantageous to popularize on a large scale.
Embodiment two：
The utility model embodiment provides a kind of fire detector, can equally be configured in various racks, but not only limit
In this.As shown in Fig. 2 the fire detector includes：It is pyrolyzed particle sensor 21, control device 22, warning device 23, communication electricity
Road 24, working state indicating circuit 25, circuit 26 and power module 27 are set.
In the utility model embodiment, control device 22 specifically includes：Signal acquisition circuit 221, signal processing circuit
222 and microprocessor 223.Specifically, signal acquisition circuit 221 is connected with signal processing circuit 222, receives pyrolysis particle and pass
Electric signal transmitted by sensor 21, and electric signal is sent to signal processing circuit 222；Signal processing circuit 222 and microprocessor
Device 223 is connected, and electric signal is carried out into operation amplifier processing, the signal after processing is sent to microprocessor 223；Microprocessor
223 are connected with warning device 23, are judged according to the signal after processing, are more than default threshold in the population for judging pyrolysis particle
During value, alarm command is sent to warning device 23.
Warning device 23 includes：Information display circuit 233, audible alarm circuit 231.Specifically, information display circuit 233
It is connected with microprocessor 223, according to the alarm command transmitted by microprocessor 223, the particle concentration information of display pyrolysis particle；
Audible alarm circuit 231 is connected with microprocessor 223, according to the alarm command transmitted by microprocessor 223, carries out sound report
It is alert.
Audible alarm circuit 231 specifically includes：Buzzer and buzzer drive circuit, when buzzer drive circuit receives
During to alarm command transmitted by microprocessor 223, buzzer is controlled to carry out audible alarm according to the alarm command.Presentation of information
Circuit 233 can make warning device 23 while audible alarm is sent, and the particle concentration for being pyrolyzed particle is shown.
As a kind of preferred scheme, the warning device 23 in the utility model embodiment also includes：Light warning circuit
232, or voice announcer.Light warning circuit 232 is connected with microprocessor 223, according to the report transmitted by microprocessor 223
Alert instruction, carries out light warning.Or voice announcer is receiving microprocessor by the warning message prestored
After 223 alarm command, alarm is sent in a manner of voice.
Further, the fire detector that the utility model embodiment is provided also includes：Communicating circuit 24, circuit is set
26th, working state indicating circuit 25 and power module 27.Communicating circuit 24, circuit 26, working state indicating circuit 25 are set
And power module 27 is connected with the microprocessor 223 in control device 22, wherein, communicating circuit 24 is used for and fire hazard monitoring
Equipment real-time communication；Circuit 26 is set to be used to modify to the detection sensitivity of fire detector；Working state indicating circuit
25 working condition for showing fire detector；Power module 27 is powered for fire detector.
As shown in figure 3, the utility model embodiment provides a kind of circuit diagram of power module 27, specifically include：Charging electricity
Road and storing up electricity circuit.The input of charging circuit is used to connect external power supply, is charged with receiving outer power voltage；Charging
The output end of circuit is connected with storing up electricity circuit, and the electricity of charging is stored in storing up electricity circuit；Storing up electricity circuit is control device
22 power supplies.
As a kind of preferred embodiment, the microprocessor 223 in the utility model embodiment is STC15W204s monolithics
Machine control chip, charging circuit specifically include：Charging chip and charged state display circuit, charging chip charge for TP4056
Device.
Specifically, control chip is connected with the 5th pin of charging chip 221, to control charging circuit to work；Charging chip
The 4th pin and the 8th pin connection external power supply, charged with receiving outer power voltage；5th pin of charging chip is also
It is connected with storing up electricity circuit, the electricity of charging is stored in storing up electricity circuit.
When specific implementation, microprocessor 223 controls charging chip work, so that charging circuit is by being connected thereto
External power supply charged, and charge capacity is stored in storing up electricity circuit, and then make storing up electricity circuit be the fire detector
Power supply.The power module 27 that the utility model embodiment is provided can be charged by external power supply for fire detector,
To ensure that it in the case of no external power supply or suddenly power-off, still is able to normal work, improves the electricity of fire detector
Source stability.
In addition, charged state display circuit is connected with charging chip 221, to realize the charging indicated work of charging circuit 22
Energy.
In the utility model embodiment, charging chip is TP4056 chargers.TP4056 is a complete single-unit lithium
Ion battery uses the linear charger of constant current/constant voltage, the gelled SOP8 encapsulation of its bottom belt with it is less outer
Portion's component number causes it to turn into the ideal chose of portable use.TP2056 can be adapted to USB power source and adaptor power supplies work
Make.
For TP2056 chargers, the utility model embodiment devises supporting charged state display circuit, the charging
Status display circuit includes：Light emitting diode D1, D2, resistance R1, R2.Shown in Figure 3, specific connected mode is as follows：
The 7th pin connection resistance R1 of charging chip one end, resistance R1 other end connecting luminous diode D1 the moon
Pole；The 6th pin connection resistance R2 of charging chip one end, resistance R2 other end connecting luminous diode D2 negative electrode；Hair
Optical diode D1 and light emitting diode D2 anode is all connected with the 4th pin and the 8th pin of charging chip, as charging circuit
Input.The 2nd pin connection resistance R3 of charging chip one end, resistance R3 other end ground connection.
The charged state display circuit is mainly realized by dichromatic LED D1, D2, when charging circuit is in non-charging
Under state, bi-colour LED is in OFF state, when charging circuit be in charging and underfill state, one of bi-colour LED
Light emitting diode is lighted, and is full of electricity condition when charging circuit is in, another light emitting diode of bi-colour LED is lighted.Pass through
The charged state display circuit, the situation of fire detector charging can be intuitively shown to related personnel.
A kind of structural representation of fire detector that Fig. 4 is provided by the utility model embodiment, the fire detector bag
Case body 2 is included, the side of housing 2 is provided with line opening 5, and pyrolysis particle sensor 7 and circuit board 4 are provided with inside it；
All above-mentioned circuits or module are integrated with the circuit board 4, is fixed on housing 2 by two circuit board fixing screws 3
Top, circuit board 4 are connected by particle sensor signal wire 1 with pyrolysis particle sensor 7, and pyrolysis particle sensor 7 passes through solid
Fixed rack 6 is fixed on the bottom of housing 2, in the air chamber 8 in fire detector；The lowermost end of housing 2, that is, it is pyrolyzed particle
The underface of sensor 7 is provided with air admission hole 9.
Typically, electrical fire either caused by which kind of reason, is all presented as that conductor first generates heat.Such as in low pressure
In power distribution cabinet, the main heater that electric fault occurs is electric wire and protection electrical equipment, therefore, is decomposed in low-voltage distribution cabinet internal heat generation
Particle be mainly smoke particle and gas particle.Under normal circumstances, the gas for not having electric wire in air and protecting electrical equipment to be thermally decomposed
Body particle, therefore any reaction will not occur in sensor, the signal of sensor output is not in change, particle sensor fire
Detector normal operation.When electric wire and protection electrical equipment are heated to a certain critical-temperature, electric wire and protection electrical equipment decomposite gas
Particle, gas particle enters the particle sensor inlet plenum of fire detector, and after sensor detects gas particle, a system occurs
Row reaction, sensor output electrical signals to signal processing circuit 222, signal processing unit transmit signal after operation amplifier
To microprocessor 223, microprocessor 223 is when the particle concentration for judging pyrolysis particle exceedes default concentration threshold, to alarm
Device 23 sends alarm command, so as to be alarmed by sound or light.At the same time, the information in warning device 23 shows
Show the particle concentration information of the display pyrolysis particle of circuit 233, so that related personnel takes accordingly according to the particle concentration information
Precautionary measures.
The fire detector that the utility model embodiment is provided, with the mechanism of the fire alarm of other detectors not
Together, the phenomenon of false alarm will not occur.In addition, existing air suction type fire disaster detector, point-type laser type fire detector can
The temperature range alarmed is higher, generally more than 200 DEG C.And the fire detector that the utility model embodiment is provided can
With realize more than 150 DEG C within the temperature range of alarmed, be more suitable for fire early detection.
Embodiment three：
The utility model embodiment provides a kind of rack, as shown in figure 5, the rack includes：Casing 31 and embodiment one
Or the fire detector 311 described in embodiment two；Fire detector is installed in casing 31, and the early stage for electrical fire is pre-
It is alert.
It should be noted that the rack described in the present embodiment includes polytype, such as：The low pressure of one-level or two level is matched somebody with somebody
Electric cabinet, the network cabinet of large-scale data center, the important communication equipment enclosure etc. of communication base station.
Example IV：
The utility model embodiment also provides a kind of fire detecting system, as shown in fig. 6, the system includes：Fire monitoring
Equipment 41 and at least one rack 42 as described in embodiment three；
The fire detector 421 installed in rack 42 includes：Communicating circuit；
Fire detector 421 is sent fire alarm information to fire monitoring equipment 41, so that work by communicating circuit
Personnel take measures in time.
In the present embodiment, fire monitoring equipment 41 can be background server or monitor terminal etc., can receive
The fire alarm information that fire detector 421 is sent in rack 42, and fire alarm information is shown by display screen.Should
The specific course of work of system will not be repeated here, because the system and foregoing fire detector have referring to embodiment one to three
Identical technical characteristic, therefore, it can equally realize above-mentioned function.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Above example, only specific embodiment of the present utility model, to illustrate this practicality
New technical scheme, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing implementation
The utility model is described in detail example, it will be understood by those within the art that：It is any to be familiar with this technology neck
For the technical staff in domain in the technical scope that the utility model discloses, it still can be to the technical side described in previous embodiment
Case is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications, change
Or replace, the essence of appropriate technical solution is departed from the spirit and scope of the utility model embodiment technical scheme, all
It should cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the protection of claim
Scope is defined.
Claims (10)
- A kind of 1. fire detector, it is characterised in that including：It is pyrolyzed particle sensor, control device and warning device；The pyrolysis particle sensor is connected with the control device, the particle concentration information of collection pyrolysis particle, and according to institute Particle concentration information generation electric signal is stated, the electric signal is sent to the control device；The control device is connected with the warning device, and the electric signal is handled, and is judging the pyrolysis particle Particle concentration when being more than predetermined threshold value, send alarm command to the warning device；The warning device is alarmed according to the alarm command, and shows the particle concentration information of the pyrolysis particle.
- 2. fire detector according to claim 1, it is characterised in that the control device includes：Signal acquisition circuit, Signal processing circuit and microprocessor；The signal acquisition circuit is connected with the signal processing circuit, receives the telecommunications transmitted by the pyrolysis particle sensor Number, and the electric signal is sent to the signal processing circuit；The signal processing circuit is connected with the microprocessor, the electric signal is carried out into operation amplifier processing, after processing Signal send to the microprocessor；The microprocessor is connected with the warning device, is judged according to the signal after the processing, is judging the heat When the population of solution particle is more than predetermined threshold value, alarm command is sent to the warning device.
- 3. fire detector according to claim 2, it is characterised in that the warning device includes：Information display circuit, Audible alarm circuit；Described information display circuit is connected with the microprocessor, according to the alarm command transmitted by the microprocessor, display The particle concentration information of the pyrolysis particle；The audible alarm circuit is connected with the microprocessor, according to the alarm command transmitted by the microprocessor, is carried out Audible alarm.
- 4. fire detector according to claim 1, it is characterised in that also include：Communicating circuit；The communicating circuit is connected with the control device, for fire hazard monitoring equipment real-time communication.
- 5. fire detector according to claim 4, it is characterised in that also include：Circuit is set；The setting circuit is connected with the control device, for being modified to the detection sensitivity of the fire detector.
- 6. fire detector according to claim 5, it is characterised in that also include：Working state indicating circuit；The working state indicating circuit is connected with the control device, to show the working condition of the fire detector.
- 7. according to the fire detector described in claim any one of 1-6, it is characterised in that also include：Power module；The power module is connected with the control device, is powered for the fire detector.
- 8. fire detector according to claim 7, it is characterised in that the power module includes：Charging circuit and Storing up electricity circuit；The input of the charging circuit is used to connect external power supply, is charged with receiving outer power voltage；The output end of the charging circuit is connected with the storing up electricity circuit, and the electricity of charging is stored in into the storing up electricity circuit In；The storing up electricity circuit is powered for the control device.
- A kind of 9. rack, it is characterised in that including：Casing and the fire detector as described in claim any one of 1-8；The fire detector is installed in the casing, the early warning for electrical fire.
- 10. a kind of fire detecting system, it is characterised in that the system includes：Fire monitoring equipment and at least one such as power Profit requires the rack described in 9；The fire detector installed in the rack includes：Communicating circuit；The fire detector is sent fire alarm information to the fire monitoring equipment by the communicating circuit, so that Staff takes measures in time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720721642.XU CN206849218U (en) | 2017-06-20 | 2017-06-20 | Fire detector, rack and fire detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720721642.XU CN206849218U (en) | 2017-06-20 | 2017-06-20 | Fire detector, rack and fire detecting system |
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| CN206849218U true CN206849218U (en) | 2018-01-05 |
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| CN201720721642.XU Active CN206849218U (en) | 2017-06-20 | 2017-06-20 | Fire detector, rack and fire detecting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687742A (en) * | 2018-08-23 | 2018-10-23 | 合肥合安智为科技有限公司 | A kind of pole incipient fire early warning intelligent inspection robot |
| CN111127821A (en) * | 2020-01-14 | 2020-05-08 | 北京航天常兴科技发展股份有限公司 | Pyrolytic particle type electrical fire monitoring and alarm detection device and power distribution cabinet |
| WO2021077472A1 (en) * | 2019-10-22 | 2021-04-29 | 北京航天常兴科技发展股份有限公司 | Comprehensive pyrolysis particle electrical fire monitoring method, device and system |
| CN112927463A (en) * | 2021-03-26 | 2021-06-08 | 华侨大学 | Pyrolysis particle electric fire monitoring device and method and distribution box |
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| CN116071884A (en) * | 2023-02-17 | 2023-05-05 | 北京中消睿安科技发展有限公司 | Electrical fire alarm monitoring method, system, equipment and medium |
| CN116071884B (en) * | 2023-02-17 | 2023-07-04 | 北京中消睿安科技发展有限公司 | Electrical fire alarm monitoring method, system, equipment and medium |
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